CN117206484B

CN117206484B - Casting machine convenient to drawing of patterns

Info

Publication number: CN117206484B
Application number: CN202311277175.2A
Authority: CN
Inventors: 郭欣荣
Original assignee: Nanjing Agricultural University
Current assignee: Nanjing Agricultural University
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-05-14
Anticipated expiration: 2043-09-28
Also published as: CN117206484A

Abstract

The invention belongs to the technical field of casting, in particular to a casting machine convenient for demolding, which comprises a mold, a support frame, a rotating assembly, a demolding assembly, a grouting assembly and a conveying assembly, wherein the mold is arranged on the support frame; according to the invention, the first connecting part moves towards the inside of the die, the first pushing surface stops moving when being flush with the end surface of the die, then the first supporting rod moves towards the inner wall of the workpiece, the first driving part is abutted against the inner wall of the third driving groove, the third connecting layer is close to the second connecting seat, the first pushing surface is abutted against the end surface of the workpiece, then the second connecting seat far away from the first fixing seat moves, meanwhile, the first pushing surface pushes the workpiece out of the die, the first supporting rod contracts towards the first connecting part after the workpiece moves to the upper part of the conveying assembly, the workpiece is abutted against the conveying assembly, then the first moving part moves reversely, and the conveying assembly conveys the workpiece after the first connecting part is completely moved out of the inner cavity of the workpiece; the first supporting rod drives the workpiece to move, so that manual demolding is avoided.

Description

Casting machine convenient to drawing of patterns

Technical Field

The invention belongs to the technical field of casting, and particularly relates to a casting machine convenient for demolding.

Background

Casting is a method of casting a metal solution (or a nonmetallic material solution) into a casting mold which is suitable for the shape of a part, and after the casting mold is cooled and solidified, obtaining the part or a blank, wherein the casting mold can be made of sand, metal or even ceramic; many tubular parts (such as engine cylinder liners, cylinder bodies and the like) are cast in a centrifugal casting mode, and centrifugal casting is to drive a die to rotate by using centrifugal casting equipment, so that liquid materials are centrifugally moved, and finally the liquid materials are molded on the inner wall of the die, and the centrifugal casting die has the advantage of no need of using a core.

Most of existing casting machines need to be manually carried out during demoulding, so that the labor intensity is high and the working efficiency is low.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a casting machine convenient for demoulding. The invention is mainly used for solving the problems of high labor intensity and low working efficiency caused by the fact that the existing casting machine mostly needs to be manually demoulded.

The technical scheme adopted for solving the technical problems is as follows: the invention provides a casting machine convenient for demolding, which comprises a mold, a support frame, a rotating assembly, a demolding assembly, a grouting assembly and a conveying assembly, wherein the mold is arranged on the support frame; the rotating assembly comprises a first connecting piece, a first supporting seat, a first supporting wheel, a first connecting shaft, a first gear, a first motor, a first transmission mechanism, a second connecting piece, a first compressing seat, a first compressing wheel and a first gear ring; the first connecting piece is arranged at the lower end of the supporting frame; the first connecting piece is connected with the support frame; the first supporting seats are symmetrically arranged at two ends of the first connecting piece; the first supporting seat is connected with the first connecting piece; the first supporting wheels are symmetrically arranged on two sides of the first supporting seat; the first supporting wheel is rotationally connected with the first supporting seat; the first connecting piece is rotationally connected with the first connecting shaft; the axis of the first connecting shaft and the axis of the first supporting wheel are on the same straight line; the first connecting shaft is fixedly connected with the first gear; the reference circle diameter of the first gear is equal to the outer diameter of the first supporting wheel; the first connecting piece is fixedly connected with the first motor; the rotating shaft of the first motor is driven by the first connecting shaft through the first transmission mechanism; the second connecting piece is arranged above the first connecting piece; the second connecting piece is connected with the support frame; the first compression seats are symmetrically arranged at two ends of the second connecting piece; the upper end of the first pressing seat is connected with the first connecting piece; the lower end of the first pressing seat is rotationally connected with the first pressing wheel; the outer diameter of the first pressing wheel is equal to the outer diameter of the first supporting wheel; the die is arranged between the first connecting piece and the second connecting piece; the two ends of the die are symmetrically provided with a first protruding structure; the first protruding structure is arranged along the circumferential direction of the die; two sides of the first protruding structure are symmetrically provided with second protruding structures; the second protruding structure is arranged along the circumferential direction of the die; the first gear ring is arranged in the middle of the die; the first gear ring is fixedly connected with the die; the reference circle diameter of the first gear ring is equal to the outer diameter of the first protruding structure; the die is arranged on the four first supporting wheels; the two first supporting wheels on the same first supporting seat are respectively positioned at two sides of the axis of the die; the first supporting wheel is abutted against the surface of the first protruding structure; the first pressing wheel is abutted against the surface of the first protruding structure; the first gear is externally meshed with the first gear ring;

The demolding assembly comprises a first fixing seat, a first moving part, a second rack, a second connecting shaft, a second gear, a second motor, a second transmission mechanism, a first sliding sleeve, a first supporting rod, a first swinging plate, a second swinging plate, a first sliding shaft, a third connecting shaft, a third motor, a third transmission mechanism, a second connecting seat, a third elastic part, a third connecting plate, a third connecting layer, a fourth connecting shaft, a fourth motor and a fourth transmission mechanism; one side of the first connecting piece is provided with the first fixing seat; the first fixing seat is fixedly connected with the support frame; the first fixed seat is connected with the first moving part in a sliding manner; the lower end of the first moving part is provided with a first mounting groove; the first mounting groove is internally provided with the second rack; the second rack is fixedly connected with the first moving part; the first fixing seat is rotationally connected with the second connecting shaft; the second connecting shaft is fixedly connected with the second gear; the second gear is meshed with the second rack; the first fixing seat is fixedly connected with the second motor; the rotating shaft of the second motor is driven by the second connecting shaft through the second transmission mechanism; one end of the first moving part, which is close to the first connecting part, is provided with a first connecting part; the first connecting part is connected with the first sliding sleeve in a sliding way; the first support rod is arranged on the side face of the first connecting part; the first support rods are uniformly arranged at intervals along the circumferential direction of the first connecting part; the first supporting rod is connected with the first connecting part through the first swinging plate and the second swinging plate; one end of the first swinging plate is hinged with the first sliding sleeve; the other end of the first swinging plate is hinged with the first supporting rod; the second swinging plates are symmetrically arranged on two sides of the first swinging plate; the middle part of the second swinging plate is hinged with the middle part of the first swinging plate; one end of the two second swinging plates, which is close to the first connecting part, is hinged with the first connecting part; one end of the second swinging plate, which is close to the first supporting rod, is connected together through the first sliding shaft; a first sliding groove is formed in the first supporting rod; the first sliding groove is in sliding connection with the first sliding shaft; the first connecting part is rotationally connected with the third connecting shaft; the third connecting shaft is in threaded connection with the first sliding sleeve; the first connecting part is fixedly connected with the third motor; the rotating shaft of the third motor is driven by the third connecting shaft through the third transmission mechanism; a first driving part is arranged at one end of the first supporting rod, which is close to the first fixing seat; a first pushing surface is arranged on one side of the first driving part, which is far away from the first fixing seat; a second pushing surface is arranged on one side, close to the first fixing seat, of the first driving part; the two sides of the second connecting piece are provided with the second connecting seat; one second connecting seat close to the first fixing seat is connected with the support frame; a first avoiding groove is formed in one second connecting seat close to the first fixing seat; one second connecting seat far away from the first fixing seat is connected with the support frame in a sliding manner; the third connecting seat is arranged on one side, close to each other, of the two second connecting seats; the third connecting seat is annular; the third connecting seat is in sliding connection with the second connecting seat; a third round hole is formed in one side, close to the second connecting seat, of the third connecting seat; the third round holes are arranged at intervals along the circumferential direction of the third connecting seat; a second round hole is formed in one side, close to the third connecting seat, of the second connecting seat; the second round holes are in one-to-one correspondence with the third round holes; the third elastic piece is arranged in the third round hole; one end of the third elastic piece is abutted against the bottom surface of the third round hole; the other end of the third elastic piece is abutted against the bottom surface of the second round hole; one side of the third connecting seat, which is far away from the second connecting seat, is rotationally connected with the third connecting plate; one side of the third connecting plate, which is far away from the third connecting seat, is fixedly connected with the third connecting layer; the third connecting layer is abutted against the end face of the die; a third driving groove is formed in the third connecting plate close to the first fixing seat; the side surface of the third driving groove is horn-shaped; the diameter of the opening of the third driving groove at one side far away from the third connecting seat is larger than that of the opening at one side close to the third connecting seat; the fourth connecting shaft is arranged on the second connecting seat far away from the first fixing seat; the fourth connecting shaft is rotationally connected with the support frame; the fourth connecting shaft is in threaded connection with the second connecting seat; the fourth motor is fixedly connected to the support frame; the rotating shaft of the fourth motor is driven by the fourth connecting shaft through the fourth transmission mechanism; one end of the support frame, which is far away from the first fixed seat, is connected with the grouting assembly; the grouting assembly is used for conveying liquid materials into the die; one end of the support frame, which is far away from the first fixed seat, is connected with the conveying assembly; the conveying assembly is used for conveying the workpiece; a controller is fixedly connected to the support frame; the first motor, the second motor, the third motor, the fourth motor, the conveying assembly and the grouting assembly are electrically connected with the controller.

Preferably, the first connecting piece is in sliding connection with the support frame; the first connecting piece slides up and down; a fifth connecting shaft is fixedly connected below the first connecting piece; the lower end of the support frame is rotatably connected with a fifth rotating piece; the fifth connecting shaft penetrates through the inner hole of the fifth rotating piece; the fifth connecting shaft is in threaded connection with the fifth rotating piece; the lower end of the supporting frame is fixedly connected with a fifth motor; the rotating shaft of the fifth motor is driven by the fifth rotating piece through a fifth transmission mechanism; the second connecting piece is in sliding connection with the support frame; the second connecting piece slides up and down; a sixth connecting shaft is fixedly connected above the second connecting piece; the upper end of the support frame is rotatably connected with a sixth rotating piece; the sixth connecting shaft penetrates through the inner hole of the sixth rotating piece; the sixth connecting shaft is in threaded connection with the sixth rotating piece; the lower end of the support frame is fixedly connected with a motor No. six; the rotating shaft of the sixth motor is driven by the sixth rotating part through a sixth transmission mechanism; and the motor No. five and the motor No. six are electrically connected with the controller.

Preferably, the first supporting seat is slidably connected with the first connecting piece; the first supporting seat slides along the axial direction of the die; a seventh connecting shaft is rotatably connected to the first connecting piece; two ends of the seventh connecting shaft are respectively connected with the first supporting seats in a threaded manner; the screw threads at the two ends of the seventh connecting shaft are opposite in rotation direction; a seventh motor is fixedly connected to the first connecting piece; the rotating shaft of the seventh motor is driven by the seventh connecting shaft through a seventh transmission mechanism; the first pressing seat is in sliding connection with the second connecting piece; the first pressing seat slides along the axial direction of the die; the second connecting piece is rotationally connected with a eighth connecting shaft; two ends of the eighth connecting shaft are respectively connected with the first pressing seats in a threaded manner; the screw threads at the two ends of the eighth connecting shaft are opposite in rotation direction; the second connecting piece is fixedly connected with a motor No. eight; the rotating shaft of the eighth motor is driven by the eighth connecting shaft through an eighth transmission mechanism; the second connecting seat close to the first fixing seat is in sliding connection with the second connecting piece; a ninth connecting shaft is rotatably connected to one end, close to the first fixing seat, of the second connecting piece; the ninth connecting shaft is in threaded connection with the second connecting seat; a motor No. nine is fixedly connected to the connecting piece No. two; the rotating shaft of the ninth motor is driven by the ninth connecting shaft through a ninth transmission mechanism; and the motor No. seven, the motor No. eight and the motor No. nine are all electrically connected with the controller.

Preferably, the grouting assembly comprises a grouting pipe, a first power mechanism and a material conveying mechanism; a connecting structure is arranged on the second connecting seat far away from the first fixing seat; the connecting structure is connected with the grouting pipe in a sliding way; the grouting pipe and the mould are coaxially arranged; the first power mechanism is connected with the connecting structure; the first power mechanism is used for realizing the movement of the grouting pipe; one end of the grouting pipe, which is far away from the die, is connected with the material conveying mechanism; the material conveying mechanism is used for conveying liquid materials into the grouting pipe; the first power mechanism and the material conveying mechanism are electrically connected with the controller.

Preferably, the second connecting seat provided with the connecting structure is provided with a second round groove; a second guide groove is formed in one side, close to the third connecting seat, of the second round groove; the second guide groove is horn-shaped; the diameter of the opening of the side, close to the third connecting seat, of the second guide groove is larger than that of the opening of the side, far away from the third connecting seat; the diameter of the second guide groove is equal to that of the first connecting part.

Preferably, the first moving part is provided with a third sliding groove; one end of the third sliding groove is open; the other end of the third sliding groove is provided with a first mounting hole; a first limiting part is connected in a sliding way in the third sliding groove; one end of the first limiting part is provided with a first limiting part; the first limiting part is of a hemispherical structure; the other end of the first limiting part is provided with a second connecting part; a first fixing piece is arranged in the first mounting hole; the first fixing piece is fixedly connected with the first moving piece; a second elastic piece is arranged between the first fixing piece and the first limiting piece; a second sliding groove is formed in the bottom plate of the support frame; a first sliding seat is connected in the second sliding groove in a sliding way; the first sliding seat slides along the axial direction of the die; the first sliding seat is provided with a sliding hole; a first limit groove is formed in the inner wall of the sliding hole; the first limit groove is hemispherical; the first moving part passes through the sliding hole; the first moving part is in sliding connection with the first sliding seat.

Preferably, the conveying assembly comprises a lifting seat, a second power mechanism and a conveying belt mechanism; the lifting seat is arranged on one side, away from the first fixing seat, of the first connecting piece; the lifting seat is connected with the supporting frame in a sliding manner; the lifting seat slides up and down; the lifting seat is connected with the supporting frame through the second power mechanism; the second power mechanism is used for realizing up-and-down movement of the lifting seat; the lifting seat is provided with the conveying belt mechanism; the conveying belt mechanism is used for conveying workpieces; and the second power mechanism and the conveying belt mechanism are electrically connected with the controller.

The beneficial effects of the invention are as follows:

1. In the invention, the second rack drives the first moving part to move, so that the first connecting part moves towards the inside of the die, and then drives the first supporting rod to move towards the inside of the die, when the moving distance of the first moving part is equal to a first design value, the first pushing surface is flush with the end face of the die, the second motor stops working, the controller rotates the third motor, so that the first supporting rod moves towards the side close to the inner wall of the workpiece, simultaneously the first driving part moves towards the side of the inner wall of the third driving groove, so that the first driving part props against the inner wall of the third driving groove, so that the first driving part generates an acting force on the inner wall of the third driving groove, so that a pushing force is generated on the third connecting plate, so that the third connecting layer approaches towards the side of the second connecting seat, finally the second pushing surface props against the third connecting layer, the first supporting rod continues to move, and the first pushing surface props against the end face of the workpiece, when the first supporting rod is abutted against the inner wall of the workpiece, the third motor stops working, then the fourth motor is enabled to work by the controller, the second connecting seat far away from the first fixing seat is driven to move, meanwhile, the second motor is enabled to continue working, the workpiece is pushed to move through the first pushing surface, the workpiece is ejected out of the inner cavity of the die, the workpiece is enabled to move to the upper side of the conveying assembly, then the first supporting rod is enabled to shrink towards one side of the first connecting portion, the workpiece is enabled to move downwards, the workpiece is enabled to be abutted against the conveying assembly, the third motor is enabled to stop rotating when the first supporting rod moves to the initial position towards the first connecting portion, then the second motor is enabled to rotate reversely by the controller, the first moving member is enabled to move reversely, the first moving member is enabled to move to the initial position, and the first connecting portion is completely moved out of the inner cavity of the workpiece, the method comprises the steps of controlling a conveying assembly to work so as to convey workpieces, enabling a fourth motor to reversely rotate by a controller, enabling a second connecting seat far away from one side of a first fixing seat to move to one side of the first fixing seat, enabling the second connecting seat to move to an initial position, repeating the above work, and further completing casting of batch of workpieces; this casting machine drives the work piece through a bracing piece and removes, and then avoids artifical drawing of patterns, and then reduces staff's intensity of labour, improves work efficiency simultaneously.

2. When workpieces with different diameters are required to be cast, a worker rotates a fourth motor through the controller, then drives a third connecting layer on one side far away from the first fixing seat to move on one side far away from the die, then drives a sixth rotating piece to rotate through a sixth transmission mechanism, drives a sixth connecting shaft to move upwards, drives a first pressing wheel to move upwards, and further facilitates replacement of the die, after the die is replaced, the worker rotates the fifth motor through the controller, drives a fifth connecting shaft to move, drives a first supporting wheel to move up and down, and then drives the die to move up and down, and then adjusts the position of the die, and then enables the axis of the die and the axis of the first connecting portion to be in the same straight line, then enables the sixth motor to rotate reversely, and then enables the first pressing wheel to be extruded on the first protruding structure, then enables the fourth motor to rotate, and further enables the third connecting layer to be in contact with the end face of the die again, and further installs dies with different diameters, and further casts workpieces with different diameters, and further improves the applicability of the casting machine.

3. According to the invention, the third connecting layer far away from one side of the first fixing seat is enabled to move towards one side far away from the die through the fourth motor, the ninth motor drives the eighth connecting shaft to rotate, the second connecting seat, the third connecting plate and the third connecting layer close to one side of the first fixing seat are further driven to move towards one side far away from the die, then a worker enables the first pressing wheel to move upwards through the controller, the current die is conveniently removed, the seventh motor drives the seventh connecting shaft to rotate through the seventh transmission mechanism, the two first supporting seats are further driven to move simultaneously, the distance between the first supporting wheels at two ends is further enabled to be equal to the distance between the two first protruding structures of the die to be installed, the eighth motor drives the eighth connecting shaft to rotate through the eighth transmission mechanism, the two first pressing seats are further driven to move simultaneously, the distance between the two first pressing wheels is further enabled to be equal to the distance between the two first protruding structures of the die to be installed, the die to be installed is further placed on the first supporting wheel, the first pressing wheel is enabled to be on the first protruding structure through the controller, the third connecting layers at two sides are enabled to collide with the first protruding structures again, the first protruding structures, the lengths of the two pressing wheels are enabled to collide with each other, and the two ends of the die are different in length, and the casting machine is further applicable to the casting length is improved.

4. When grouting is performed, a worker enables the first power mechanism to work through the controller, so that the grouting pipe moves towards the inside of the die, and then the controller enables the material conveying mechanism to work, so that liquid materials are conveyed into the inside of the die.

5. According to the invention, when the first supporting rod is abutted against the inner wall of the workpiece, the first connecting part is inserted into the second circular groove, so that the side wall of the second circular groove supports the first connecting part, the moving speed of the second connecting seat far away from the first fixing seat during demolding is the same as that of the first moving part, so that the side wall of the second circular groove always supports the first connecting part, and the probability of downward bending of the first moving part is reduced.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a casting machine of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view at B in FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is a schematic view showing the structure of a first support rod according to the present invention;

FIG. 6 is a schematic view showing the internal structure of the casting machine of the present invention;

FIG. 7 is a partial enlarged view at D in FIG. 6;

FIG. 8 is an enlarged view of a portion of FIG. 6 at E;

FIG. 9 is an enlarged view of a portion of F in FIG. 6;

fig. 10 is a partial enlarged view at G in fig. 6;

FIG. 11 is an enlarged view of a portion of H in FIG. 6;

FIG. 12 is an enlarged view of a portion of FIG. 6 at I;

FIG. 13 is an enlarged view of a portion of J in FIG. 6;

FIG. 14 is an enlarged view of a portion of FIG. 6 at K;

FIG. 15 is a schematic view of the structure of a second guide groove in the present invention;

FIG. 16 is a schematic view showing the structures of a first wobble plate and a second wobble plate according to the present invention;

FIG. 17 is a schematic view of a second connecting seat according to the present invention;

In the figure: mould 1, protruding structure 11, protruding structure 12 No. two, support frame 2, grouting pipe 21, limit piece 22, limit piece 221, connecting piece 222 No. one, fixing piece 23, elastic piece 24 No. two, sliding seat 25 No. one, limit groove 252, lifting seat 26, conveying belt mechanism 27, rotating component 3, connecting piece 31, supporting seat 32 No. one, supporting wheel 33, connecting shaft 34 No. one, gear 35 No. one, motor 36 No. one, transmission mechanism 37, connecting piece 38 No. one, compressing seat 39 No. one, compressing wheel 41, gear ring 42, demoulding component 5, fixing seat 51, moving piece 52 No. one, connecting piece 521, mounting hole 522 No. two racks 53, connecting shaft 54 No. two, gear 55 No. two motors 56, no. two transmission mechanisms 57, sliding sleeve 58, supporting rod 59, driving piece 591 No. one push face 592, push face 593, slide groove 594, swing plate 61, swing plate 62, slide shaft 63, connecting shaft 64, motor 65, transmission mechanism 66, connecting seat 67, round hole 671, connecting structure 672, round groove 673, guide groove 674, connecting seat 68, round hole 681, elastic member 69, connecting plate 71, driving groove 711, connecting layer 72, connecting shaft 73, motor 74, transmission mechanism 75, connecting shaft 81, rotation member 82, motor 83, transmission mechanism 84, connecting shaft 85, rotation member 86, motor 87, transmission mechanism 88, connecting shaft 91, motor 92, transmission mechanism 93, transmission mechanism 94, motor 95, transmission mechanism 96, A ninth connecting shaft 97, a ninth motor 98 and a ninth transmission mechanism 99.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1,2,3, 4, 5,6,7, 9, 11, 13, 14, 15, 16 and 17, a casting machine for facilitating demolding comprises a mold 1, a support frame 2, a rotating assembly 3, a demolding assembly 5, a grouting assembly and a conveying assembly; the rotating assembly 3 comprises a first connecting piece 31, a first supporting seat 32, a first supporting wheel 33, a first connecting shaft 34, a first gear 35, a first motor 36, a first transmission mechanism 37, a second connecting piece 38, a first pressing seat 39, a first pressing wheel 41 and a first gear ring 42; the lower end of the supporting frame 2 is provided with the first connecting piece 31; the first connecting piece 31 is connected with the support frame 2; the first supporting seats 32 are symmetrically arranged at two ends of the first connecting piece 31; the first supporting seat 32 is connected with the first connecting piece 31; the first supporting wheels 33 are symmetrically arranged on two sides of the first supporting seat 32; the first supporting wheel 33 is rotatably connected with the first supporting seat 32; the first connecting piece 31 is rotatably connected with the first connecting shaft 34; the axis of the first connecting shaft 34 is on the same straight line with the axis of the first supporting wheel 33; the first connecting shaft 34 is fixedly connected with the first gear 35; the reference circle diameter of the first gear 35 is equal to the outer diameter of the first supporting wheel 33; the first connecting piece 31 is fixedly connected with the first motor 36; the rotation shaft of the first motor 36 and the first connecting shaft 34 are driven by the first transmission mechanism 37; the second connecting piece 38 is arranged above the first connecting piece 31; the second connecting piece 38 is connected with the support frame 2; the first pressing seats 39 are symmetrically arranged at the two ends of the second connecting piece 38; the upper end of the first pressing seat 39 is connected with the first connecting piece 31; the lower end of the first pressing seat 39 is rotatably connected with the first pressing wheel 41; the outer diameter of the first pressing wheel 41 is equal to the outer diameter of the first supporting wheel 33; the die 1 is arranged between the first connecting piece 31 and the second connecting piece 38; the two ends of the die 1 are symmetrically provided with a first protruding structure 11; the first protruding structures 11 are arranged along the circumferential direction of the die 1; two sides of the first protruding structure 11 are symmetrically provided with second protruding structures 12; the second protruding structures 12 are arranged along the circumferential direction of the die 1; the first gear ring 42 is arranged in the middle of the die 1; the first gear ring 42 is fixedly connected with the die 1; the pitch circle diameter of the first gear ring 42 is equal to the outer diameter of the first protrusion 11; the die 1 is arranged on four first supporting wheels 33; two first supporting wheels 33 on the same first supporting seat 32 are respectively positioned at two sides of the axis of the die 1; the first supporting wheel 33 is abutted against the surface of the first protruding structure 11; the first pressing wheel 41 is abutted against the surface of the first protruding structure 11; the first gear 35 is externally meshed with the first gear ring 42;

The demolding assembly 5 comprises a first fixing seat 51, a first moving part 52, a second rack 53, a second connecting shaft 54, a second gear 55, a second motor 56, a second transmission mechanism 57, a first sliding sleeve 58, a first supporting rod 59, a first swinging plate 61, a second swinging plate 62, a first sliding shaft 63, a third connecting shaft 64, a third motor 65, a third transmission mechanism 66, a second connecting seat 67, a third connecting seat 68, a third elastic part 69, a third connecting plate 71, a third connecting layer 72, a fourth connecting shaft 73, a fourth motor 74 and a fourth transmission mechanism 75; the first fixing seat 51 is disposed on one side of the first connecting piece 31; the first fixing seat 51 is fixedly connected with the support frame 2; the first fixed seat 51 is slidably connected with the first moving member 52; a first mounting groove is formed in the lower end of the first moving part 52; the first mounting groove is internally provided with the second rack 53; the second rack 53 is fixedly connected with the first moving member 52; the first fixing seat 51 is rotatably connected with the second connecting shaft 54; the second connecting shaft 54 is fixedly connected with the second gear 55; the second gear 55 is meshed with the second rack 53; the first fixing seat 51 is fixedly connected with the second motor 56; the rotation shaft of the second motor 56 and the second connecting shaft 54 are driven by the second transmission mechanism 57; a first connecting part 521 is arranged at one end of the first moving part 52, which is close to the first connecting part 31; the first connecting part 521 is connected with the first sliding sleeve 58 in a sliding manner; the first connecting part 521 is provided with the first supporting rod 59 on the side surface; the first supporting rods 59 are uniformly spaced along the circumferential direction of the first connecting portion 521; the first supporting rod 59 and the first connecting portion 521 are connected by the first swinging plate 61 and the second swinging plate 62; one end of the first swinging plate 61 is hinged with the first sliding sleeve 58; the other end of the first swing plate 61 is hinged with the first support rod 59; the second swinging plate 62 is symmetrically arranged on both sides of the first swinging plate 61; the middle part of the second swinging plate 62 is hinged with the middle part of the first swinging plate 61; one end of the two second swinging plates 62, which is close to the first connecting part 521, is hinged with the first connecting part 521; one end of the two second swinging plates 62, which is close to the first supporting rod 59, is connected together through the first sliding shaft 63; a first sliding groove 594 is arranged on the first supporting rod 59; the first sliding groove 594 is slidably connected with the first sliding shaft 63; the first connecting part 521 is rotatably connected with the third connecting shaft 64; the third connecting shaft 64 is in threaded connection with the first sliding sleeve 58; the first connecting part 521 is fixedly connected with the third motor 65; the rotation shaft of the third motor 65 and the third connecting shaft 64 are driven by the third driving mechanism 66; a first driving part 591 is arranged at one end of the first supporting rod 59, which is close to the first fixing seat 51; a first pushing surface 592 is arranged on one side of the first driving part 591 away from the first fixing seat 51; a second pushing surface 593 is arranged on one side of the first driving part 591, which is close to the first fixing seat 51; the two sides of the second connecting piece 38 are provided with the second connecting seat 67; one second connecting seat 67 close to the first fixing seat 51 is connected with the support frame 2; a first avoiding groove is formed in one second connecting seat 67 close to the first fixing seat 51; one second connecting seat 67 far away from the first fixing seat 51 is slidably connected with the support frame 2; the third connecting seat 68 is arranged on one side of the two second connecting seats 67, which are close to each other; the third connecting seat 68 is annular; the third connecting seat 68 is slidably connected with the second connecting seat 67; a third round hole 681 is formed on one side of the third connecting seat 68, which is close to the second connecting seat 67; the third round holes 681 are arranged at intervals along the circumferential direction of the third connecting seat 68; a second round hole 671 is formed in one side, close to the third connecting seat 68, of the second connecting seat 67; the second round hole 671 corresponds to the third round hole 681 one by one; the third elastic member 69 is disposed in the third round hole 681; one end of the third elastic member 69 abuts against the bottom surface of the third round hole 681; the other end of the third elastic member 69 abuts against the bottom surface of the second circular hole 671; the third connecting seat 68 is rotatably connected with the third connecting plate 71 at a side far away from the second connecting seat 67; the third connecting plate 71 is fixedly connected with the third connecting layer 72 at a side far away from the third connecting seat 68; the third connecting layer 72 is abutted against the end face of the die 1; a third driving groove 711 is formed on the third connecting plate 71 adjacent to the first fixing seat 51; the side surface of the third driving groove 711 is horn-shaped; the diameter of the third driving groove 711, which is far away from the third connecting seat 68, is larger than the diameter of the opening, which is near the third connecting seat 68; the fourth connecting shaft 73 is arranged on the second connecting seat 67 far away from the first fixing seat 51; the fourth connecting shaft 73 is rotatably connected with the support frame 2; the fourth connecting shaft 73 is in threaded connection with the second connecting seat 67; the fourth motor 74 is fixedly connected to the support frame 2; the rotation shaft of the fourth motor 74 and the fourth connecting shaft 73 are driven by the fourth driving mechanism 75; one end of the support frame 2 far away from the first fixing seat 51 is connected with the grouting assembly; the grouting assembly is used for conveying liquid materials into the die 1; one end of the support frame 2 far away from the first fixing seat 51 is connected with the conveying assembly; the conveying assembly is used for conveying the workpiece; a controller is fixedly connected to the support frame 2; the motor 36, the motor 56, the motor 65, the motor 74, the delivery assembly and the grouting assembly are all electrically connected with the controller.

In operation, the four first supporting wheels 33 on the two first supporting seats 32 support the first protruding structure 11, so that the first protruding structure 11 can rotate, and the mold 1 can rotate, meanwhile, the two first pressing wheels 41 on the two first pressing seats 39 are abutted against the upper part of the first protruding structure 11, so that the first protruding structure 11 is limited, and the mold 1 is limited, so that the axis of the mold 1 is fixed, meanwhile, the three connecting layers 72 at the two ends are extruded at the two ends of the mold 1, so that the openings at the two ends of the mold 1 are partially blocked, a worker rotates the first motor 36 through a controller before grouting, and drives the first connecting shaft 34 through the first transmission mechanism 37 (which can be a synchronous belt transmission mechanism) to rotate, and then drives the first gear 35 to rotate, and then drives the first gear ring 42 to rotate, and then drives the mould 1 to rotate, and then the controller makes the grouting assembly work, and then conveys a certain amount of liquid material into the inner cavity of the mould 1, and then makes the liquid material rotate along the inner wall of the mould 1, and then makes the liquid material accumulated at the inner wall of the mould 1 and solidify gradually, and after the time of the rotation of the mould 1 reaches the set rotation time, the controller makes the motor 36 stop rotating, and then makes the mould 1 stop rotating, and then makes the workpiece stand, and after the work piece stand still time reaches, the controller makes the motor 56 work, and then drives the connecting shaft 54 to rotate through the driving mechanism 57 (which may be a synchronous belt driving mechanism), and then drives the gear 55 to rotate, and then drives the rack 53 to move, and then drives the moving piece 52 to move, and then makes the connecting part 521 move towards the inside of the mould 1, and then the first supporting rod 59 is driven to move toward the inside of the mold 1, when the distance of the first moving member 52 is equal to the first design value (the position before the first moving member 52 moves is the first initial position, at this time, the distance between the first pushing surface 592 and the end surface of the mold 1 is the first design value, the distance of the first moving member 52 is equal to the first design value by controlling the number of rotations of the second motor 56, and then the distance of the first pushing surface 592 is equal to the first design value, at this time, the first pushing surface 592 is flush with the end surface of the mold 1, and the first pushing surface 592 can move along the end surface of the mold 1), the controller pauses the rotation of the second motor 56, and then pauses the movement of the first connecting portion 521 and the first supporting rod 59, at this time, the first pushing surface 592 is flush with the end surface of the mold 1, and after the second motor 56 pauses the operation, the controller pauses the rotation of the third motor 65, and the third connecting shaft 64 is driven to rotate by the third transmission mechanism 66 (which may be a synchronous belt transmission mechanism), and the first sliding sleeve 58 is driven to move towards the first fixing seat 51, and the first swinging plate 61 and the second swinging plate 62 are driven to rotate, and the first supporting rod 59 is driven to move towards the side close to the inner wall of the workpiece, and the first driving part 591 is driven to move towards the side of the inner wall of the third driving groove 711, and the first driving part 591 is abutted against the inner wall of the third driving groove 711, and the first driving part 591 generates an acting force on the inner wall of the third driving groove 711, and then generates a pushing force on the third connecting plate 71, and then generates a pushing force on the third connecting seat 68, and then resists the elastic action of the third elastic piece 69, and the third connecting seat 68 and the third connecting plate 71 are driven to approach towards the side of the second connecting seat 67, and the third connecting layer 72 is further moved toward the second connecting seat 67, and finally the second pushing surface 593 is abutted against the third connecting layer 72, the first supporting rod 59 continuously moves, and the first pushing surface 592 is abutted against the end surface of the workpiece, when the first supporting rod 59 is abutted against the inner wall of the workpiece, the third motor 65 stops working (a pressure sensor is arranged on one side of the first supporting rod 59 far away from the first connecting portion 521, when the first supporting rod 59 is abutted against the inner wall of the workpiece, the pressure sensor is triggered to generate a pressure signal and transmit the pressure signal to the controller, the controller receives the signal and then stops working of the third motor 65), and then the controller enables the fourth motor 74 to work, and then drives the fourth connecting shaft 73 to rotate through the fourth transmission mechanism 75 (which may be a synchronous belt transmission mechanism) and further drives the second connecting seat 67 far away from the first fixing seat 51 to move, simultaneously, the controller enables the second motor 56 to continuously work, the controller enables the moving speed of the second connecting seat 67 to be equal to or greater than the moving speed of the first moving part 52, the pushing surface 592 is used for generating pushing force on the end face of the workpiece, the workpiece is pushed to move, the workpiece is pushed out of the inner cavity of the die 1, after the workpiece is completely pushed out of the inner cavity of the die 1, a plurality of first supporting rods 59 are propped against the inner wall of the workpiece, the inner wall of the workpiece is supported, the workpiece is continuously driven to move, the workpiece is further moved to the upper part of the conveying assembly, then the controller enables the third motor 65 to reversely rotate, the first supporting rods 59 are further contracted towards the first connecting part 521, the workpiece is further downwards moved, the first supporting rods 59 are further propped against the conveying assembly, and when the first supporting rods 59 move to the first connecting part 521 to the initial position, the controller enables the third motor 65 to stop rotating, then the controller reversely rotates the second motor 56 to drive the first moving part 52 to reversely move, so that the first connecting part 521 and the first supporting rod 59 move to the first fixed seat 51 side, so that the first connecting part 521 and the first supporting rod 59 are moved away from the inner space of the workpiece, the first moving part 52 moves to the initial position, the first connecting part 521 is completely moved out of the inner cavity of the workpiece, the conveying assembly is controlled to work to convey the workpiece, the fourth motor 74 reversely rotates to enable the second connecting seat 67 far away from the first fixed seat 51 side to move to the first fixed seat 51 side, so that the second connecting seat 67 moves to the initial position, and the above work is repeated, so that the casting of batch of workpieces is completed; the casting machine drives the workpiece to move through the first supporting rod 59, so that manual demoulding is avoided, the labor intensity of workers is reduced, and meanwhile, the working efficiency is improved; when the die 1 rotates, the third connecting layer 72 rotates together with the die 1, so that the tightness of the end face of the die 1 and the third connecting layer 72 is improved, liquid materials are prevented from moving to a gap between the end face of the die 1 and the third connecting layer 72, the probability of redundant materials between the end face of the die 1 and the third connecting layer 72 is reduced, the probability of blocking the movement of a workpiece after the redundant materials are solidified is further reduced, the probability that the workpiece can be moved only by removing the redundant materials by a worker is further reduced, and the convenience of a casting machine is further improved; when the workpiece moves, the first support rods 59 support the inner wall of the workpiece, so that the axis of the workpiece is kept fixed, gaps between the outer wall of the workpiece and the inner wall of the die 1 are kept consistent, the probability of local excessive extrusion is reduced, the probability of local excessive friction of the inner wall of the die 1 is reduced, the probability of local excessive abrasion of the inner wall of the die 1 is reduced, and the coating of the inner wall of the die 1 is protected.

As shown in fig. 1,2, 3, 6,7 and 9, the first connecting member 31 is slidably connected to the support frame 2; the first connecting piece 31 slides up and down; a fifth connecting shaft 81 is fixedly connected below the first connecting piece 31; the lower end of the support frame 2 is rotatably connected with a fifth rotating piece 82; the fifth connecting shaft 81 passes through the inner hole of the fifth rotating member 82; the fifth connecting shaft 81 is in threaded connection with the fifth rotating member 82; the lower end of the support frame 2 is fixedly connected with a fifth motor 83; the rotation shaft of the fifth motor 83 is driven by the fifth rotating member 82 through a fifth driving mechanism 84; the second connecting piece 38 is in sliding connection with the support frame 2; the second connecting piece 38 slides up and down; a sixth connecting shaft 85 is fixedly connected above the second connecting piece 38; the upper end of the support frame 2 is rotatably connected with a sixth rotating member 86; the sixth connecting shaft 85 passes through the inner hole of the sixth rotating member 86; the sixth connecting shaft 85 is in threaded connection with the sixth rotating member 86; the lower end of the support frame 2 is fixedly connected with a motor No. 87; the rotation shaft of the motor No. 87 is driven by the rotating member No. 86 through a transmission mechanism No. 88; the fifth motor 83 and the sixth motor 87 are electrically connected to the controller.

When the workpieces with different requirements are cast, a worker rotates the fourth motor 74 through the controller, drives the third connecting layer 72 on the side far away from the first fixing seat 51 to move on the side far away from the die 1, then rotates the sixth motor 87 through the controller, drives the sixth rotating member 86 to rotate through the sixth transmission mechanism 88 (which can be a synchronous belt transmission mechanism), drives the sixth connecting shaft 85 to move upwards, drives the second connecting member 38 to move upwards, drives the first pressing wheel 41 to move upwards, and facilitates the replacement of the die 1, and after the replacement of the die 1 is completed, the worker rotates the fifth motor 83 through the controller, drives the fifth rotating member 82 to rotate through the fifth transmission mechanism 84 (which can be a synchronous belt transmission mechanism), the fifth connecting shaft 81 is driven to move, the first connecting piece 31 is driven to move up and down, the first supporting wheel 33 is driven to move up and down, the die 1 is driven to move up and down, the position of the die 1 is adjusted, the axis of the die 1 and the axis of the first connecting portion 521 are positioned on the same straight line, then a worker reversely rotates the sixth motor 87 through the controller, the first pressing wheel 41 is pressed on the first protruding structure 11, the fourth motor 74 is rotated through the controller, the third connecting layer 72 is pressed against the end face of the die 1 again, the dies 1 with different diameters are installed, workpieces with different diameters are cast, and the applicability of the casting machine is improved; the pitch circle diameter of the first gear ring 42 on the new die 1 is equal to the outer diameter of the first protruding structure 11, and the pitch circle diameter of the first gear 35 is equal to the outer diameter of the first supporting wheel 33, so that the first gear 35 and the first gear ring 42 are meshed after the first supporting wheel 33 and the first compacting wheel 41 position the new die 1, reliable rotation of the die 1 is achieved, and reliable rotation of dies 1 with different diameters is achieved.

As shown in fig. 1, 2,3, 6,7, 9 and 12, the first supporting seat 32 is slidably connected with the first connecting member 31; the first support seat 32 slides along the axial direction of the die 1; a seventh connecting shaft 91 is rotatably connected to the first connecting member 31; two ends of the seventh connecting shaft 91 are respectively in threaded connection with the first two supporting seats 32; the screw threads at the two ends of the seventh connecting shaft 91 have opposite rotation directions; a seventh motor 92 is fixedly connected to the first connecting member 31; the rotation shaft of the seventh motor 92 is driven by the seventh connecting shaft 91 through a seventh driving mechanism 93; the first pressing seat 39 is slidably connected with the second connecting piece 38; the first pressing seat 39 slides along the axial direction of the die 1; the second connecting piece 38 is rotatably connected with a eighth connecting shaft 94; two ends of the eighth connecting shaft 94 are respectively in threaded connection with the first compression seat 39; the screw threads at the two ends of the eighth connecting shaft 94 are opposite in rotation direction; a motor No. 95 is fixedly connected to the connecting piece No. two 38; the rotation shaft of the eighth motor 95 is driven by the eighth connecting shaft 94 through an eighth transmission mechanism 96; the second connecting seat 67 adjacent to the first fixing seat 51 is slidably connected with the second connecting piece 38; a ninth connecting shaft 97 is rotatably connected to one end of the second connecting member 38, which is close to the first fixing seat 51; the ninth connecting shaft 97 is in threaded connection with the second connecting seat 67; a motor No. 98 is fixedly connected to the second connecting piece 38; the rotation shaft of the ninth motor 98 and the ninth connecting shaft 97 are driven by a ninth transmission mechanism 99; the seventh motor 92, the eighth motor 95, and the ninth motor 98 are all electrically connected to the controller.

When workpieces with different lengths are required to be cast, a worker simultaneously works the fourth motor 74 and the ninth motor 98 through the controller, then the fourth motor 74 enables the third connecting layer 72 on the side far away from the first fixed seat 51 to move towards the side far away from the die 1, meanwhile, the ninth motor 98 drives the ninth connecting shaft 97 to rotate through the ninth transmission mechanism 99 (which can be a synchronous belt transmission mechanism), then the second connecting seat 67, the third connecting seat 68, the third connecting plate 71 and the third connecting layer 72 on the side close to the first fixed seat 51 are driven to move towards the side far away from the die 1, then the worker enables the first pressing wheel 41 to move upwards through the controller, so that the current die 1 is conveniently removed, then the worker uses the controller to enable the seventh motor 92 and the eighth motor 95 to simultaneously work, and then the seventh motor 92 drives the seventh connecting shaft 91 to rotate through the seventh transmission mechanism 93 (which can be a synchronous belt transmission mechanism), and then drive two first supporting seats 32 to move simultaneously, and then change the distance between the two first supporting seats 32, and then make the distance between the two first supporting wheels 33 equal to the distance between the two first protruding structures 11 of the mold 1 to be installed, and simultaneously the eighth motor 95 drives the eighth connecting shaft 94 to rotate through the eighth transmission mechanism 96 (which may be a synchronous belt transmission mechanism), and then drive the two first pressing seats 39 to move simultaneously, and then make the distance between the two first pressing wheels 41 equal to the distance between the two first protruding structures 11 of the mold 1 to be installed, and then place the mold 1 to be installed on the first supporting wheels 33, and then make the first pressing wheels 41 abut against the first protruding structures 11 through the controller, and make the three connecting layers 72 on two sides abut against the two ends of the mold 1 again, and then the moulds 1 with different lengths are installed, and then the workpieces with different lengths are cast, so that the applicability of the casting machine is improved.

As shown in fig. 1, 6, 13 and 15, the grouting assembly comprises a grouting pipe 21, a first power mechanism and a material conveying mechanism; a connection structure 672 is arranged on the second connecting seat 67 far away from the first fixing seat 51; the connecting structure 672 is connected with the grouting pipe 21 in a sliding way; the grouting pipe 21 is arranged coaxially with the mould 1; the first power mechanism is connected to the connecting structure 672; the first power mechanism is used for realizing the movement of the grouting pipe 21; one end of the grouting pipe 21, which is far away from the die 1, is connected with the material conveying mechanism; the feeding mechanism is used for feeding liquid materials into the grouting pipe 21; the first power mechanism and the material conveying mechanism are electrically connected with the controller.

During grouting, a worker operates the first power mechanism through the controller, and then moves the grouting pipe 21 into the die 1, and then the controller operates the material conveying mechanism, and then liquid material is conveyed into the die 1.

As shown in fig. 1, 6, 13 and 15, the second connecting seat 67 provided with the connecting structure 672 is provided with a second circular groove 673; a second guide groove 674 is arranged on one side of the second round groove 673, which is close to the third connecting seat 68; the second guide groove 674 is horn-shaped; the diameter of the opening of the second guide groove 674 at the side close to the third connecting seat 68 is larger than that of the opening at the side far away from the third connecting seat 68; the diameter of the second guide groove 674 is equal to the diameter of the first connecting portion 521.

When the first supporting rod 59 is abutted against the inner wall of the workpiece, the first connecting part 521 is inserted into the second circular groove 673, the side wall of the second circular groove 673 supports the first connecting part 521, the moving speed of the second connecting seat 67 far away from the first fixing seat 51 during demolding is the same as that of the first moving part 52, the side wall of the second circular groove 673 always supports the first connecting part 521, the probability of downward bending of the first moving part 52 is reduced, the probability of overlarge extrusion force between the first supporting rod 59 and the inner wall of the workpiece due to downward bending of the first connecting part 31 is reduced, the probability of excessive extrusion between the local outer wall of the workpiece and the inner wall of the die 1 is reduced, the probability of overlarge friction force between the local outer wall of the die 1 is reduced, the probability of overlarge local abrasion of the inner wall of the die 1 is reduced, and the coating of the inner wall of the die 1 is further protected.

As shown in fig. 1, 6, 8 and 10, the first moving member 52 is provided with a third sliding groove; one end of the third sliding groove is open; the other end of the third sliding groove is provided with a first mounting hole 522; a first limiting piece 22 is connected in a sliding way in the third sliding groove; a first limiting part 221 is arranged at one end of the first limiting part 22; the first limiting part 221 has a hemispherical structure; the other end of the first limiting part 22 is provided with a second connecting part 222; a first fixing piece 23 is arranged in the first mounting hole 522; the first fixing part 23 is fixedly connected with the first moving part 52; a second elastic piece 24 is arranged between the first fixing piece 23 and the first limiting piece 22; a second sliding groove is formed in the bottom plate of the support frame 2; the second sliding groove is in sliding connection with a first sliding seat 25; the first sliding seat 25 slides along the axial direction of the die 1; the first sliding seat 25 is provided with a sliding hole; a first limit groove 252 is formed in the inner wall of the sliding hole; the first limit groove 252 is hemispherical; the first moving member 52 passes through the sliding hole; the first moving member 52 is slidably connected to the first sliding seat 25.

When the first moving part 52 is in the initial position, the first limiting part 221 is abutted against the first limiting groove 252, when the first moving part 52 moves towards the die 1, the first limiting part 221 drives the first sliding seat 25 to move, when the first sliding seat 25 is abutted against the side surface of the second sliding groove, the first limiting part 221 is separated from the first limiting groove 252, at the moment, the first sliding seat 25 supports the middle part of the first moving part 52, so that the probability of downwards bending the middle part of the first moving part 52 is reduced, the probability of overlarge extrusion force between the local first supporting rod 59 and the inner wall of a workpiece caused by downwards bending the middle part of the first connecting part 31 is reduced, the probability of overlarge extrusion force between the local outer wall of the workpiece and the inner wall of the die 1 is reduced, the probability of overlarge local friction force between the inner wall of the die 1 is reduced, the probability of overlarge local abrasion of the inner wall of the die 1 is reduced, and the coating of the inner wall of the die 1 is further protected; when the first moving member 52 moves toward the first fixing seat 51, the first limiting portion 221 drives the first sliding seat 25 to move toward the first fixing seat 51, when the first sliding seat 25 abuts against the side surface of the second sliding groove, the opening of the sliding hole generates acting force on the first limiting portion 221, so as to resist the elastic force of the second elastic member 24, further the first limiting member 22 moves toward the third sliding groove, further the first moving member 52 continues to move, further the first limiting member 22 moves toward the first limiting groove 252, further the first limiting portion 221 abuts against the first limiting groove 252 again, and at this time the first moving member 52 moves to the initial position.

As shown in fig. 1, the conveying assembly comprises a lifting seat 26, a second power mechanism and a conveying belt mechanism 27; the lifting seat 26 is arranged on one side of the first connecting piece 31 away from the first fixing seat 51; the lifting seat 26 is in sliding connection with the support frame 2; the lifting seat 26 slides up and down; the lifting seat 26 is connected with the support frame 2 through the second power mechanism; the second power mechanism is used for realizing up-and-down movement of the lifting seat 26; the lifting seat 26 is provided with the conveying belt mechanism 27; the conveying belt mechanism 27 is used for conveying workpieces; the second power mechanism and the conveyor belt mechanism 27 are electrically connected with the controller.

Before the first supporting rod 59 moves to the first connecting part 521, the controller makes the second power mechanism work, so that the lifting seat 26 moves upwards, so that the conveying belt mechanism 27 moves upwards, so as to support the workpiece, and after the first connecting part 521 is completely separated from the workpiece, the controller makes the second power mechanism work, so that the lifting seat 26 moves downwards, so that the workpiece is driven to move downwards, and then the conveying belt mechanism 27 conveys the workpiece.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims

1. Casting machine convenient to drawing of patterns, its characterized in that: comprises a mould (1), a supporting frame (2), a rotating component (3), a demoulding component (5), a grouting component and a conveying component; the rotating assembly (3) comprises a first connecting piece (31), a first supporting seat (32), a first supporting wheel (33), a first connecting shaft (34), a first gear (35), a first motor (36), a first transmission mechanism (37), a second connecting piece (38), a first pressing seat (39), a first pressing wheel (41) and a first gear ring (42); the lower end of the supporting frame (2) is provided with the first connecting piece (31); the first connecting piece (31) is connected with the support frame (2); the first supporting seats (32) are symmetrically arranged at two ends of the first connecting piece (31); the first supporting seat (32) is connected with the first connecting piece (31); the first supporting wheels (33) are symmetrically arranged on two sides of the first supporting seat (32); the first supporting wheel (33) is rotationally connected with the first supporting seat (32); the first connecting piece (31) is rotationally connected with the first connecting shaft (34); the axis of the first connecting shaft (34) and the axis of the first supporting wheel (33) are on the same straight line; the first connecting shaft (34) is fixedly connected with the first gear (35); the diameter of the reference circle of the first gear (35) is equal to the outer diameter of the first supporting wheel (33); the first connecting piece (31) is fixedly connected with the first motor (36); the rotating shaft of the first motor (36) and the first connecting shaft (34) are driven by the first transmission mechanism (37); the second connecting piece (38) is arranged above the first connecting piece (31); the second connecting piece (38) is connected with the support frame (2); the first compression seat (39) is symmetrically arranged at two ends of the second connecting piece (38); the upper end of the first compression seat (39) is connected with the second connecting piece (38); the lower end of the first pressing seat (39) is rotationally connected with the first pressing wheel (41); the outer diameter of the first pressing wheel (41) is equal to the outer diameter of the first supporting wheel (33); the die (1) is arranged between the first connecting piece (31) and the second connecting piece (38); the two ends of the die (1) are symmetrically provided with a first protruding structure (11); the first protruding structure (11) is arranged along the circumferential direction of the die (1); two sides of the first protruding structure (11) are symmetrically provided with second protruding structures (12); the second protruding structure (12) is arranged along the circumferential direction of the die (1); the middle part of the die (1) is provided with the first gear ring (42); the first gear ring (42) is fixedly connected with the die (1); the diameter of the reference circle of the first gear ring (42) is equal to the outer diameter of the first protruding structure (11); the die (1) is arranged on four first supporting wheels (33); two first supporting wheels (33) on the same first supporting seat (32) are respectively positioned at two sides of the axis of the die (1); the first supporting wheel (33) is abutted against the surface of the first protruding structure (11); the first pressing wheel (41) is abutted against the surface of the first protruding structure (11); the first gear (35) is externally meshed with the first gear ring (42);

The demolding assembly (5) comprises a first fixing seat (51), a first moving part (52), a second rack (53), a second connecting shaft (54), a second gear (55), a second motor (56), a second transmission mechanism (57), a first sliding sleeve (58), a first supporting rod (59), a first swinging plate (61), a second swinging plate (62), a first sliding shaft (63), a third connecting shaft (64), a third motor (65), a third transmission mechanism (66), a second connecting seat (67), a third connecting seat (68), a third elastic part (69), a third connecting plate (71), a third connecting layer (72), a fourth connecting shaft (73), a fourth motor (74) and a fourth transmission mechanism (75); one side of the first connecting piece (31) is provided with the first fixing seat (51); the first fixing seat (51) is fixedly connected with the support frame (2); the first fixed seat (51) is connected with the first moving part (52) in a sliding way; the lower end of the first moving part (52) is provided with a first mounting groove; the first mounting groove is internally provided with the second rack (53); the second rack (53) is fixedly connected with the first moving piece (52); the first fixing seat (51) is rotationally connected with the second connecting shaft (54); the second connecting shaft (54) is fixedly connected with the second gear (55); the second gear (55) is meshed with the second rack (53); the first fixing seat (51) is fixedly connected with the second motor (56); the rotating shaft of the second motor (56) and the second connecting shaft (54) are driven by the second transmission mechanism (57); a first connecting part (521) is arranged at one end of the first moving part (52) close to the first connecting part (31); the first connecting part (521) is connected with the first sliding sleeve (58) in a sliding way; the first supporting rod (59) is arranged on the side surface of the first connecting part (521); the first supporting rods (59) are uniformly arranged at intervals along the circumferential direction of the first connecting part (521); the first supporting rod (59) is connected with the first connecting part (521) through the first swinging plate (61) and the second swinging plate (62); one end of the first swinging plate (61) is hinged with the first sliding sleeve (58); the other end of the first swinging plate (61) is hinged with the first supporting rod (59); the second swinging plates (62) are symmetrically arranged on two sides of the first swinging plate (61); the middle part of the second swinging plate (62) is hinged with the middle part of the first swinging plate (61); one end of the two second swinging plates (62) close to the first connecting part (521) is hinged with the first connecting part (521); one end of the two second swinging plates (62) close to the first supporting rod (59) is connected together through the first sliding shaft (63); a first sliding groove (594) is formed in the first supporting rod (59); the first sliding groove (594) is in sliding connection with the first sliding shaft (63); the first connecting part (521) is rotationally connected with the third connecting shaft (64); the third connecting shaft (64) is in threaded connection with the first sliding sleeve (58); the first connecting part (521) is fixedly connected with the third motor (65); the rotating shaft of the third motor (65) and the third connecting shaft (64) are driven by the third transmission mechanism (66); a first driving part (591) is arranged at one end of the first supporting rod (59) close to the first fixing seat (51); a first pushing surface (592) is arranged on one side of the first driving part (591) away from the first fixing seat (51); a second pushing surface (593) is arranged on one side, close to the first fixing seat (51), of the first driving part (591); the two sides of the second connecting piece (38) are provided with the second connecting seat (67); one second connecting seat (67) close to the first fixing seat (51) is connected with the support frame (2); a first avoiding groove is formed in one second connecting seat (67) close to the first fixing seat (51); one second connecting seat (67) far away from the first fixing seat (51) is connected with the support frame (2) in a sliding way; the third connecting seat (68) is arranged on one side, close to each other, of the two second connecting seats (67); the third connecting seat (68) is annular; the third connecting seat (68) is in sliding connection with the second connecting seat (67); a third round hole (681) is formed in one side, close to the second connecting seat (67), of the third connecting seat (68); the third round holes (681) are arranged at intervals along the circumferential direction of the third connecting seat (68); a second round hole (671) is formed in one side, close to the third connecting seat (68), of the second connecting seat (67); the second round holes (671) are in one-to-one correspondence with the third round holes (681); the third round hole (681) is internally provided with the third elastic piece (69); one end of the third elastic piece (69) is abutted against the bottom surface of the third round hole (681); the other end of the third elastic piece (69) is abutted against the bottom surface of the second round hole (671); one side of the third connecting seat (68) far away from the second connecting seat (67) is rotationally connected with the third connecting plate (71); one side of the third connecting plate (71) far away from the third connecting seat (68) is fixedly connected with the third connecting layer (72); the third connecting layer (72) is abutted against the end face of the die (1); a third driving groove (711) is formed in the third connecting plate (71) close to the first fixing seat (51); the side surface of the third driving groove (711) is in a horn shape; the diameter of the opening at one side of the third driving groove (711) far away from the third connecting seat (68) is larger than the diameter of the opening at one side of the third connecting seat (68); the fourth connecting shaft (73) is arranged on the second connecting seat (67) far away from the first fixing seat (51); the fourth connecting shaft (73) is rotationally connected with the support frame (2); the fourth connecting shaft (73) is in threaded connection with the second connecting seat (67); the fourth motor (74) is fixedly connected to the support frame (2); the rotating shaft of the fourth motor (74) and the fourth connecting shaft (73) are driven by the fourth transmission mechanism (75); one end, far away from the first fixing seat (51), of the support frame (2) is connected with the grouting assembly; the grouting assembly is used for conveying liquid materials into the die (1); one end, far away from the first fixing seat (51), of the supporting frame (2) is connected with the conveying assembly; the conveying assembly is used for conveying the workpiece; a controller is fixedly connected to the support frame (2); the first motor (36), the second motor (56), the third motor (65), the fourth motor (74), the conveying assembly and the grouting assembly are electrically connected with the controller.

2. A casting machine for facilitating demolding as claimed in claim 1, wherein: the first connecting piece (31) is connected with the support frame (2) in a sliding way; the first connecting piece (31) slides up and down; a fifth connecting shaft (81) is fixedly connected below the first connecting piece (31); the lower end of the supporting frame (2) is rotatably connected with a fifth rotating piece (82); the fifth connecting shaft (81) passes through the inner hole of the fifth rotating piece (82); the fifth connecting shaft (81) is in threaded connection with the fifth rotating piece (82); the lower end of the supporting frame (2) is fixedly connected with a fifth motor (83); the rotating shaft of the fifth motor (83) and the fifth rotating piece (82) are driven by a fifth driving mechanism (84); the second connecting piece (38) is in sliding connection with the support frame (2); the second connecting piece (38) slides up and down; a sixth connecting shaft (85) is fixedly connected above the second connecting piece (38); the upper end of the supporting frame (2) is rotatably connected with a sixth rotating piece (86); the sixth connecting shaft (85) passes through the inner hole of the sixth rotating piece (86); the sixth connecting shaft (85) is in threaded connection with the sixth rotating piece (86); the lower end of the supporting frame (2) is fixedly connected with a motor No. six (87); the rotating shaft of the No. six motor (87) and the No. six rotating piece (86) are driven by a No. six driving mechanism (88); and the fifth motor (83) and the sixth motor (87) are electrically connected with the controller.

3. A casting machine for facilitating demolding as claimed in claim 2, wherein: the first supporting seat (32) is in sliding connection with the first connecting piece (31); the first supporting seat (32) slides along the axial direction of the die (1); a seventh connecting shaft (91) is rotatably connected to the first connecting piece (31); two ends of the seventh connecting shaft (91) are respectively in threaded connection with the first supporting seats (32); the screw threads at the two ends of the seventh connecting shaft (91) are opposite in rotation direction; a seventh motor (92) is fixedly connected to the first connecting piece (31); the rotating shaft of the seventh motor (92) and the seventh connecting shaft (91) are driven by a seventh transmission mechanism (93); the first pressing seat (39) is in sliding connection with the second connecting piece (38); the first pressing seat (39) slides along the axial direction of the die (1); a connecting shaft No. 94 is rotatably connected to the second connecting piece (38); two ends of the eighth connecting shaft (94) are respectively in threaded connection with the first pressing seats (39); the screw threads at the two ends of the eighth connecting shaft (94) are opposite in rotation direction; a motor No. eight (95) is fixedly connected to the connecting piece No. two (38); the rotating shaft of the eighth motor (95) and the eighth connecting shaft (94) are driven by an eighth transmission mechanism (96); the second connecting seat (67) close to the first fixing seat (51) is in sliding connection with the support frame (2); one end of the support frame (2) close to the first fixing seat (51) is rotatably connected with a ninth connecting shaft (97); the ninth connecting shaft (97) is in threaded connection with the second connecting seat (67); a ninth motor (98) is fixedly connected to the support frame (2); the rotating shaft of the ninth motor (98) and the ninth connecting shaft (97) are driven by a ninth transmission mechanism (99); the motor No. seven (92), the motor No. eight (95) and the motor No. nine (98) are all electrically connected with the controller.

4. A casting machine for facilitating demolding as claimed in claim 3, wherein: the grouting assembly comprises a grouting pipe (21), a first power mechanism and a material conveying mechanism; a connecting structure (672) is arranged on the second connecting seat (67) far away from the first fixing seat (51); the connecting structure (672) is connected with the grouting pipe (21) in a sliding way; the grouting pipe (21) and the mould (1) are coaxially arranged; the connecting structure (672) is connected with the first power mechanism; the first power mechanism is used for realizing the movement of the grouting pipe (21); one end of the grouting pipe (21) far away from the die (1) is connected with the material conveying mechanism; the material conveying mechanism is used for conveying liquid materials into the grouting pipe (21); the first power mechanism and the material conveying mechanism are electrically connected with the controller.

5. A mold release facilitating casting machine as defined in claim 4, wherein: a second round groove (673) is arranged on the second connecting seat (67) provided with the connecting structure (672); a second guide groove (674) is formed in one side, close to the third connecting seat (68), of the second round groove (673); the second guide groove (674) is horn-shaped; the diameter of the opening of the side, close to the third connecting seat (68), of the second guide groove (674) is larger than that of the opening of the side, far away from the third connecting seat (68); the diameter of the second guide groove (674) is equal to the diameter of the first connecting part (521).

6. A mold release facilitating casting machine as defined in claim 5, wherein: a third sliding groove is formed in the first moving part (52); one end of the third sliding groove is open; the other end of the third sliding groove is provided with a first mounting hole (522); a first limiting piece (22) is connected in a sliding way in the third sliding groove; one end of the first limiting part (22) is provided with a first limiting part (221); the first limiting part (221) is of a hemispherical structure; the other end of the first limiting part (22) is provided with a second connecting part (222); a first fixing piece (23) is arranged in the first mounting hole (522); the first fixing piece (23) is fixedly connected with the first moving piece (52); a second elastic piece (24) is arranged between the first fixing piece (23) and the first limiting piece (22); a second sliding groove is formed in the bottom plate of the support frame (2); a first sliding seat (25) is connected in a sliding way in the second sliding groove; the first sliding seat (25) slides along the axial direction of the die (1); the first sliding seat (25) is provided with a sliding hole; a first limit groove (252) is formed in the inner wall of the sliding hole; the first limit groove (252) is hemispherical; the first moving part (52) passes through the sliding hole; the first moving part (52) is in sliding connection with the first sliding seat (25).

7. A mold release facilitating casting machine as defined in claim 6, wherein: the conveying assembly comprises a lifting seat (26), a second power mechanism and a conveying belt mechanism (27); the lifting seat (26) is arranged on one side, far away from the first fixing seat (51), of the first connecting piece (31); the lifting seat (26) is in sliding connection with the supporting frame (2); the lifting seat (26) slides up and down; the lifting seat (26) is connected with the support frame (2) through the second power mechanism; the second power mechanism is used for realizing up-and-down movement of the lifting seat (26); the lifting seat (26) is provided with the conveying belt mechanism (27); the conveying belt mechanism (27) is used for conveying workpieces; and the second power mechanism and the conveying belt mechanism (27) are electrically connected with the controller.