CN116765996A

CN116765996A - Equipment of polishing of green foundry goods of lost foam

Info

Publication number: CN116765996A
Application number: CN202310987635.4A
Authority: CN
Inventors: 李臣忠
Original assignee: Jiangxi Intercontinental Machinery Manufacturing Co ltd
Current assignee: Jiangxi Intercontinental Machinery Manufacturing Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2023-09-19

Abstract

The invention relates to the technical field of polishing and grinding of green castings of lost foam, in particular to a polishing and grinding device of green castings of lost foam, which comprises a placing disc, a storage mechanism and a grinding mechanism, wherein in the storage mechanism designed by the invention, a plurality of storage blocks can be mutually matched through a limiting part grinding mechanism to simultaneously grind a plurality of connecting pieces, so that the grinding time of the connecting pieces in the same batch is shortened, and the grinding efficiency of the connecting pieces is improved; according to the polishing mechanism, the polishing disc which is detachably arranged can be replaced at any time when the polishing disc is seriously worn, and the cleaning part can clean scraps adhered to the surface of the polishing disc when the polishing disc is less worn, so that the connecting piece is prevented from being scratched in the rotation process of the polishing disc, and the polishing effect of the connecting piece is improved.

Description

Equipment of polishing of green foundry goods of lost foam

Technical Field

The invention relates to the technical field of polishing and grinding of green castings of lost foam, in particular to polishing and grinding equipment for green castings of lost foam.

Background

The lost foam green casting is a workpiece cast and formed by using a lost foam technology, wherein the lost foam casting technology is a full mold casting technology of combining a foam plastic mold with a vacuum pumping technology by adopting dry sand without an adhesive, and is commonly called as 'dry sand full mold casting', and the lost foam green casting is commonly used in high-temperature wear-resistant occasions such as engine cylinders, connecting pieces and the like because the lost foam green casting has the advantages of high temperature resistance, few internal defects, smooth surface and the like.

The Chinese patent application with publication number of CN214054787U discloses a steel casting polishing and grinding device: adopt lift cylinder, slide bar, movable block to make and polish the mill and reciprocate, support cylinder, polish platform, slide rail, slider cooperate and make the platform of polishing reciprocate, polish the platform and polish the thickness that highly homoenergetic of mill was polished, improvement polishing's precision, adopt slope and store up the bits groove and cooperate, can in time clear up the sweeps.

The green casting of the casting mold can be polished by using the patent application, and the green casting still has the advantages of timely cleaning scraps, always keeping clean equipment, and the like, but has the following defects: 1. the above patent application only can polish and polish single castings in the use process, and then the efficiency of the above patent application in the process of polishing castings is lower, influences the shaping efficiency of castings.

2. The above patent application does not clean the sweeps on the surface of the polishing disc in the polishing process, and then the sweeps adhered on the surface of the polishing disc in the polishing process can possibly cause the scratches of the castings, thereby affecting the molding quality of the castings.

Disclosure of Invention

The invention aims to provide the lost foam green casting polishing and grinding equipment, a plurality of storage blocks are matched with a grinding mechanism through the limiting parts, so that a plurality of connecting pieces can be simultaneously ground, and the grinding efficiency is higher.

The invention is realized by adopting the following technical scheme, and the equipment for polishing and grinding the green casting of the lost foam comprises a placing disc, wherein a rotating shaft extending up and down is rotatably arranged in the middle of the upper end surface of the placing disc through a bearing, a storage mechanism for placing a connecting piece is arranged on the upper end surface of the placing disc, an annular frame is arranged on the circumferential surface of the placing disc, and a grinding mechanism for grinding the connecting piece is arranged on the annular frame.

The storage mechanism comprises an adjusting disc fixed on a rotating shaft, a plurality of adjusting grooves are uniformly formed in the circumferential surface of the adjusting disc in the circumferential direction, storage blocks which are in one-to-one correspondence with the adjusting grooves and can automatically reset are arranged on the upper end surface of the placing disc in a sliding manner along the radial direction of the upper end surface of the placing disc, an adjusting rod is arranged at one end, close to the rotating shaft, of the storage blocks, one end, far away from the storage blocks, of the adjusting rod is arranged inside the corresponding adjusting groove, and a limiting part for pressing and limiting the connecting piece is arranged on the rotating shaft.

The polishing mechanism comprises a rotary shaft which is rotatably arranged on the upper end face of the annular frame and corresponds to the storage blocks one by one, wherein a bearing disc is arranged on the upper side of the circumferential face of the rotary shaft, a polishing disc is arranged on the rotary shaft in a detachable mode, a chain wheel is fixedly arranged on the lower side of the circumferential face of the rotary shaft, and a cleaning part which plays a role in cleaning scraps on the surface of the polishing disc is arranged on the upper end face of the annular frame.

Preferably, the storage block consists of a first rectangular block and a second rectangular block which are distributed from top to bottom, wherein the first rectangular block is arranged on the upper end face of the second rectangular block in a sliding manner and can be reset automatically, the upper end face of the first rectangular block is provided with a circular protrusion and a circular groove which are radially inwards outwards arranged along the placing disc and used for limiting the connecting piece, and the adjusting rod is fixed at one end, close to the rotating shaft, of the second rectangular block.

One end of the rectangular block I, which is far away from the rotating shaft, is provided with a toggle rod, and a cam matched with the toggle rod is arranged between the circumference surface of the rotating shaft and the bearing disc and the chain wheel.

Preferably, the spacing portion include through the screw thread install at the epaxial lifting disk of axis of rotation, wherein lifting disk periphery on be provided with a plurality of and deposit the spacing that the piece one-to-one just is T type structure, and spacing longer section and lifting disk fixed connection, spacing shorter section is located between the circular arch on corresponding rectangle piece one and the circular recess on corresponding rectangle piece one, a plurality of live rollers are evenly installed through the bearing to the terminal surface under the spacing shorter section.

Preferably, the upper end face of the placing disc is provided with a limiting connecting frame of an L-shaped structure, wherein the vertical section of the limiting connecting frame is fixed on the upper end face of the placing disc, the horizontal section of the limiting connecting frame is positioned between the adjusting disc and the lifting disc, a limiting rod is arranged on the lifting disc in a penetrating and sliding manner, and the lower end of the limiting rod is fixed on the upper end face of the horizontal section of the limiting connecting frame.

Preferably, the adjusting disc upper end surface run through the slip and be provided with the spacing round bar that extends from top to bottom, place the disc up end and be located spacing one side that is close to spacing round bar and seted up with spacing round bar matched with spacing hole.

Preferably, the clearing part comprises a clearing frame which is matched with the polishing disc and is in an I-shaped structure, wherein a reversing rod which can be locked and limited is fixedly arranged on the lower end surface of the horizontal section below the clearing frame, and one end of the reversing rod, which is far away from the clearing frame, is rotatably arranged on the annular frame.

Preferably, the reversing rod consists of two vertical round rods with different diameters, the diameter of the vertical round rod below is larger than that of the vertical round rod above, the vertical round rod above is fixedly connected with the horizontal section below the cleaning frame, and the vertical round rod below is rotationally connected with the annular frame.

The vertical round bar of below on install symmetrical fixed arch, fixed arch radially distributes along the annular frame and its up end runs through and has offered spacing even hole, is close to the spacing connecting rod that extends from top to bottom that slides on the fixed arch of placing disc one side and is provided with on the spacing even hole, spacing connecting rod lower extreme and the mutual joint of annular frame.

Preferably, the polishing disc is provided with a limiting groove, and a limiting protrusion matched with the limiting groove is arranged on the upper side of the circumferential surface of the rotating shaft.

Compared with the prior art, the lost foam green casting polishing and grinding equipment has the beneficial effects that: 1. in the storage mechanism designed by the invention, the plurality of storage blocks can be matched with each other through the limiting part polishing mechanism to polish the plurality of connecting pieces at the same time, so that the polishing time of the connecting pieces in the same batch is reduced, and the polishing efficiency of the connecting pieces is improved.

2. According to the polishing mechanism, the polishing disc which is detachably arranged can be replaced at any time when the polishing disc is seriously worn, and the cleaning part can clean scraps adhered to the surface of the polishing disc when the polishing disc is less worn, so that the connecting piece is prevented from being scratched in the rotation process of the polishing disc, and the polishing effect of the connecting piece is improved.

3. According to the invention, the lifting disc is driven to move up and down in the rotating process of the rotating shaft in a threaded connection mode, so that the connecting pieces are simultaneously pressed and limited through the limiting frame in the up and down moving process of the lifting disc, the complexity of pressing and limiting the connecting pieces one by one is avoided, and the polishing efficiency of the connecting pieces is improved.

Drawings

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that those skilled in the art will better understand the present invention, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of a three-dimensional installation structure between a lost foam green casting polishing and grinding device and a connecting piece according to an embodiment of the invention.

Fig. 2 is a schematic perspective view of a polishing and grinding device for green castings of lost foam, which is provided by the embodiment of the invention.

Fig. 3 is a schematic view of a three-dimensional installation structure among a rotating shaft, a placing disc and a storage block according to an embodiment of the present invention.

Fig. 4 is a partial enlarged view at a of fig. 3 provided by an embodiment of the present invention.

Fig. 5 is a schematic view of a three-dimensional installation structure between a limiting portion and a rotating shaft according to an embodiment of the present invention.

Fig. 6 is a schematic view of a three-dimensional installation structure between a storage block and an adjusting rod according to an embodiment of the present invention.

Fig. 7 is a schematic view of a three-dimensional installation structure among a rotating shaft, a supporting disc and a polishing disc according to an embodiment of the present invention.

Fig. 8 is a partial enlarged view at B of fig. 7 provided by an embodiment of the present invention.

Fig. 9 is a schematic perspective view of a connector according to an embodiment of the present invention.

Icon: 1. placing a disc; 11. limiting connecting frames; 2. a rotating shaft; 3. a connecting piece; 31. a rectangular section; 32. a connection section; 33. a connection hole; 34. a connection protrusion; 4. a storage mechanism; 41. an adjusting disc; 411. a limit round rod; 412. a limiting hole; 42. an adjustment tank; 43. storing the blocks; 431. rectangular block I; 432. rectangular blocks II; 433. a circular protrusion; 434. a circular groove; 435. a toggle rod; 436. a cam; 45. an adjusting rod; 46. a limit part; 461. lifting the disc; 462. a limiting frame; 463. a rotating roller; 464. a limit rod; 5. an annular frame; 6. a polishing mechanism; 61. a rotation shaft; 611. a limit protrusion; 62. a support disc; 63. polishing the disc; 64. a sprocket; 65. a cleaning part; 651. a cleaning frame; 652. a reversing lever; 6521. a fixing protrusion; 6522. limiting connecting holes; 6523. and a limit connecting rod.

Description of the embodiments

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1 and 2, a green foundry goods polishing equipment of vanishing mould, including placing disc 1, place disc 1 up end middle part through the axis of rotation 2 that the bearing rotated and install the upper and lower extension, place disc 1 up end and install the storage mechanism 4 that is used for placing connecting piece 3, place and install annular frame 5 on the disc 1 periphery, install the grinding machanism 6 that is used for polishing connecting piece 3 on the annular frame 5.

Referring to fig. 2 to 4, the storage mechanism 4 includes an adjusting disc 41 fixed on the rotating shaft 2, wherein a plurality of adjusting grooves 42 are uniformly formed in the circumferential surface of the adjusting disc 41 in the circumferential direction, storage blocks 43 which are in one-to-one correspondence with the adjusting grooves 42 and capable of automatically resetting are slidably arranged on the upper end surface of the placing disc 1 along the radial direction of the placing disc, an adjusting rod 45 is installed at one end, close to the rotating shaft 2, of the storage blocks 43, one end, far away from the storage blocks 43, of the adjusting rod 45 is arranged in the corresponding adjusting groove 42, and a limiting portion 46 for pressing and limiting the connecting piece 3 is installed on the rotating shaft 2.

Referring to fig. 6, the storage block 43 is composed of a first rectangular block 431 and a second rectangular block 432 distributed from top to bottom, wherein the first rectangular block 431 is slidably disposed on an upper end surface of the second rectangular block 432 and can be automatically reset, a circular protrusion 433 and a circular groove 434 are disposed on the upper end surface of the first rectangular block 431 along a radial direction of the placement disc 1 from inside to outside and are used for limiting the connecting piece 3, and the adjusting rod 45 is fixed at one end of the second rectangular block 432 close to the rotating shaft 2.

Referring to fig. 1 and 7, the polishing mechanism 6 includes a rotating shaft 61 rotatably mounted on an upper end surface of the annular frame 5 and in one-to-one correspondence with the storage blocks 43, wherein a supporting disc 62 for placing the connecting member 3 is mounted on an upper side of a circumferential surface of the rotating shaft 61, a polishing disc 63 is detachably mounted on the rotating shaft 61, a sprocket 64 is fixedly mounted on a lower side of a circumferential surface of the rotating shaft 61, and a cleaning portion 65 for cleaning scraps on a surface of the polishing disc 63 is mounted on an upper end surface of the annular frame 5.

Referring to fig. 9, the connecting member 3 is composed of a rectangular section 31 and a U-shaped connecting section 32, the rectangular section 31 is provided with a through connecting hole 33 and a connecting protrusion 34 which is symmetrical up and down, one side of the adjusting groove 42 along the rotation direction of the rotation shaft 2 is provided with an inclined slope, a reset spring rod for resetting the rectangular block two 432 is mounted between the rectangular block two 432 and the placing disc 1, and an elastic telescopic rod for resetting the rectangular block one 431 is mounted on the rectangular block two 432.

During specific operation, the connecting piece 3 is placed on the first rectangular block 431, the connecting hole 33 and the connecting protrusion 34 are respectively placed on the circular protrusion 433 and the circular groove 434, the connecting piece 3 is limited on the first rectangular block 431, the rotating shaft 2 is driven to rotate by external force (screwing or driving motor), the rotating shaft 2 drives the adjusting disc 41 to rotate, the storage block 43 is driven to move outwards along the radial direction of the placing disc 1 by mutually matching the inclined plane inside the adjusting groove 42 and the adjusting rod 45 in the rotating process of the adjusting disc 41, the reset spring rod is stretched at the moment, the storage block 43 drives the connecting piece 3 to move outwards, and the connecting section 32 of the connecting piece 3 is attached to the polishing disc 63.

Referring to fig. 5, the limiting portion 46 includes a lifting disc 461 mounted on the rotating shaft 2 through threads, wherein a plurality of limiting frames 462 corresponding to the storage blocks 43 one by one and having a T-shaped structure are disposed on the circumferential surface of the lifting disc 461, the longer sections of the limiting frames 462 are fixedly connected with the lifting disc 461, the shorter sections of the limiting frames 462 are located between the circular protrusions 433 corresponding to the first rectangular blocks 431 and the circular grooves 434 corresponding to the first rectangular blocks 431, and the lower end surfaces of the shorter sections of the limiting frames 462 are uniformly provided with a plurality of rotating rollers 463 through bearings.

With continued reference to fig. 5, the upper end surface of the placement disc 1 is provided with a limiting connecting frame 11 with an L-shaped structure, wherein the vertical section of the limiting connecting frame 11 is fixed on the upper end surface of the placement disc 1, the horizontal section of the limiting connecting frame 11 is located between the adjusting disc 41 and the lifting disc 461, the lifting disc 461 is provided with a limiting rod 464 in a penetrating and sliding manner, and the lower end of the limiting rod 464 is fixed on the upper end surface of the horizontal section of the limiting connecting frame 11.

The distance between the limiting frame 462 and the storage block 43 is large enough, when the rotating shaft 2 is matched with the adjusting disk 41 to drive the storage block 43 to move outwards, the rotating shaft 2 synchronously drives the lifting disk 461 to move downwards by a certain distance in a threaded connection mode, but the lifting disk 461 is still positioned above the connecting piece 3, when the adjusting rod 45 moves out of the adjusting groove 42, the adjusting rod 45 is abutted against the circumferential surface of the adjusting disk 41 to move, and the adjusting rod 45 does not drive the storage block 43 to move outwards any more, wherein the limiting rod 464 and the limiting connecting frame 11 are matched with each other to limit the lifting disk 461, so that the lifting disk 461 is prevented from synchronously rotating in the rotating process of the rotating shaft 2, and the rotating roller 463 can reduce the friction force between the rectangular block 431 and a shorter section of the limiting frame 462 in the reciprocating process of the subsequent rectangular block 431.

Referring to fig. 4, the upper end surface of the adjusting disc 41 is provided with a limiting round rod 411 extending up and down in a penetrating and sliding manner, and a limiting hole 412 matched with the limiting round rod 411 is formed in the side of the limiting frame 462, which is close to the limiting round rod 411, and is used for placing the upper end surface of the disc 1.

The rotation axis 2 continues to rotate, the rotation axis 2 rotates the in-process and drives lifting disk 461 through threaded connection mode and move down, lifting disk 461 moves down in-process and drives spacing 462 in step and move down, when rotation axis 2 drives spacing round bar 411 through adjusting disk 41 and falls into spacing hole 412, spacing round bar 411 is laminated with spacing 462 mutually exactly, rotation axis 2 stops rotating this moment, spacing 462 short section compresses tightly spacingly to connecting piece 3 exactly, improve the spacing effect of locking of connecting piece 3, wherein spacing round bar 411 is through adjusting disk 41 and spacing hole 412 mutually support and guarantee that rotation axis 2 can not take place relative rotation in follow-up polishing process, improve the stability of rotation axis 2.

After the limiting and fixing of the connecting piece 3 is finished, chains are commonly installed among all the chain wheels 64, at the moment, any one rotating shaft 61 is driven to rotate through an external driving motor (not shown in the figure), the rest rotating shaft 61 is driven to rotate through the mutual matching of the chains and the chain wheels 64 in the rotating process of the rotating shaft 61, and the polishing disc 63 is driven to rotate in the rotating process of the rotating shaft 61 to polish the connecting section 32 of the connecting piece 3.

Referring to fig. 6 and 7, a toggle rod 435 is mounted at one end of the first rectangular block 431 away from the rotating shaft 2, and a cam 436 matched with the toggle rod 435 is mounted between the supporting disc 62 and the sprocket 64 on the circumference of the rotating shaft 61.

Because the polishing disc 63 is of a circular structure, the polishing disc 63 may not be in full contact with the two horizontal sections of the connecting section 32 of the connecting piece 3 in the polishing process, the cam 436 is synchronously driven to rotate in the rotating process of the rotating shaft 61, the first rectangular block 431 is driven to reciprocate on the second rectangular block 432 by the poking block and the elastic telescopic rod in the rotating process of the cam 436, and the connecting piece 3 can be driven to reciprocate in the reciprocating process of the first rectangular block 431, so that the contact area between the connecting section 32 of the connecting piece 3 and the polishing disc 63 in the reciprocating process can be increased, and the polishing effect of the connecting piece 3 is improved.

Referring to fig. 7, the cleaning portion 65 includes a cleaning frame 651 that is matched with the polishing disc 63 and has an i-shaped structure, wherein a reversing rod 652 capable of locking and limiting is fixedly mounted on a lower end surface of a horizontal section below the cleaning frame 651, and one end of the reversing rod 652 away from the cleaning frame 651 is rotatably mounted on the annular frame 5.

The cleaning frame 651 is provided with magnets (not shown in the figure), two horizontal sections of the cleaning frame 651 on any side are attached to the upper surface and the lower surface of the polishing disc 63, the cleaning frame 651 and the magnets are matched with each other in the rotation process of the polishing disc 63 to adsorb and scrape waste scraps generated by polishing, which adhere to the surface of the polishing disc 63, the waste scraps are prevented from scratching the connecting piece 3 in the rotation process of the polishing disc 63, the polishing effect of the connecting piece 3 is improved, the two horizontal sections of the cleaning frame 651 can limit the polishing disc 63 at the same time, and the stability of the polishing disc 63 in the rotation process is improved.

Referring to fig. 8, the reversing rod 652 comprises two vertical round rods with different diameters, the diameter of the vertical round rod below is larger than that of the vertical round rod above, the vertical round rod above is fixedly connected with the horizontal section below the cleaning frame 651, and the vertical round rod below is rotatably connected with the annular frame 5.

The vertical round bar is provided with symmetrical fixing protrusions 6521 at the lower part, the fixing protrusions 6521 are distributed along the radial direction of the annular frame 5, the upper end surface of the fixing protrusions 6521 is provided with limiting connecting holes 6522 in a penetrating mode, limiting connecting rods 6523 extending up and down are arranged on the limiting connecting holes 6522 on the fixing protrusions 6521 close to one side of the disc 1 in a sliding mode, and the lower ends of the limiting connecting rods 6523 are clamped with the annular frame 5.

When the magnet adhesion a certain amount of sweeps on the removal frame 651, in order to improve the effect of magnet adhesion, the sweeps adhered to the surface of the magnet need to be cleaned, at this time, the limiting connecting rod 6523 is pulled out to rotate the vertical round rod by 180 degrees, at this time, the horizontal section on the other side of the removal frame 651 is mutually abutted against the polishing disc 63, at this time, the positions of the symmetrically arranged fixing protrusions 6521 are changed, and then the limiting connecting rod 6523 passes through the limiting connecting hole 6522 and then is clamped on the annular frame 5, so that the sweeps adhered to the removal frame 651 are scraped manually.

Referring to fig. 7, the polishing disc 63 is provided with a limit groove, a limit protrusion 611 matched with the limit groove is provided on the upper side of the circumferential surface of the rotating shaft 61, when the polishing disc 63 is severely worn, the limit connecting rod 6523 is removed, the vertical round rod is rotated by 90 degrees to separate the cleaning frame 651 from the polishing disc 63, and the polishing disc 63 is taken out from the rotating shaft 61, wherein the limit protrusion 611 and the limit groove are mutually matched to fix the polishing disc 63 on the rotating shaft 61, so that the polishing disc 63 is prevented from relatively rotating on the rotating shaft 61.

After the connecting piece 3 finishes polishing, take off spacing round bar 411, reverse rotation axis of rotation 2, spacing portion 46 resets earlier this moment, and after spacing portion 46 resets, adjust pole 45 reentrant corresponding adjustment tank 42 inside through reset spring pole, deposit piece 43 synchronous reset this moment, take off connecting piece 3 one by one through the manual work.

The invention comprises the following steps in the polishing and grinding detection process of the green casting of the cancellation mold: the first step: the connecting piece 3 is placed on the first rectangular block 431, the connecting hole 33 and the connecting protrusion 34 are respectively placed on the circular protrusion 433 and the circular groove 434, at the moment, the connecting piece 3 is limited on the first rectangular block 431, the rotating shaft 2 is driven to rotate by external force (screwing or driving motor), the rotating shaft 2 drives the adjusting disc 41 to rotate, the storage block 43 is driven to move outwards along the radial direction of the placing disc 1 by mutually matching the inclined plane inside the adjusting groove 42 and the adjusting rod 45 in the rotating process of the adjusting disc 41, at the moment, the reset spring rod stretches, the storage block 43 drives the connecting piece 3 to move outwards, and the connecting section 32 of the connecting piece 3 is attached to the polishing disc 63.

And a second step of: when the rotating shaft 2 and the adjusting rod 45 are mutually matched to drive the storage block 43 to move outwards, the rotating shaft 2 synchronously drives the lifting disc 461 to move downwards for a certain distance in a threaded connection mode, but the lifting disc 461 is still positioned above the connecting piece 3, when the adjusting rod 45 moves out of the adjusting groove 42, the adjusting rod 45 is abutted against the circumferential surface of the adjusting disc 41 to move, and the adjusting rod 45 does not drive the storage block 43 to move outwards.

And a third step of: the rotation shaft 2 continues to rotate, the lifting disc 461 is driven to move downwards in the rotation process of the rotation shaft 2 in a threaded connection mode, the limiting frame 462 is synchronously driven to move downwards in the downward movement process of the lifting disc 461, when the rotation shaft 2 drives the limiting round rod 411 to fall into the limiting hole 412 through the adjusting disc 41, the limiting round rod 411 is just attached to the limiting frame 462, at the moment, the rotation shaft 2 stops rotating, and the shorter section of the limiting frame 462 is just used for compressing and limiting the connecting piece 3.

Fourth step: after the limiting and fixing of the connecting piece 3 is finished, chains are commonly installed among all the chain wheels 64, at the moment, any one rotating shaft 61 is driven to rotate through an external driving motor (not shown in the figure), the rest rotating shaft 61 is driven to rotate through the mutual matching of the chains and the chain wheels 64 in the rotating process of the rotating shaft 61, and the polishing disc 63 is driven to rotate in the rotating process of the rotating shaft 61 to polish the connecting section 32 of the connecting piece 3.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.

Claims

1. The utility model provides a green foundry goods polishing equipment of polishing of lost foam, includes places disc (1), its characterized in that: the middle part of the upper end surface of the placing disc (1) is rotatably provided with a rotating shaft (2) which extends up and down through a bearing, the upper end surface of the placing disc (1) is provided with a storage mechanism (4) for placing the connecting piece (3), the circumferential surface of the placing disc (1) is provided with an annular frame (5), and the annular frame (5) is provided with a polishing mechanism (6) for polishing the connecting piece (3), wherein the polishing mechanism is arranged on the annular frame (5);

the storage mechanism (4) comprises an adjusting disc (41) fixed on the rotating shaft (2), wherein a plurality of adjusting grooves (42) are uniformly formed in the circumferential surface of the adjusting disc (41), storage blocks (43) which are in one-to-one correspondence with the adjusting grooves (42) and can automatically reset are arranged on the upper end surface of the storage disc (1) in a sliding manner along the radial direction of the storage blocks, one end, close to the rotating shaft (2), of each storage block (43) is provided with an adjusting rod (45), one end, far away from the storage block (43), of each adjusting rod (45) is arranged in the corresponding adjusting groove (42), and a limiting part (46) used for playing a role in limiting the compression of the connecting piece (3) is arranged on the rotating shaft (2);

the polishing mechanism (6) comprises rotating shafts (61) which are rotatably arranged on the upper end face of the annular frame (5) and correspond to the storage blocks (43) one by one, wherein a supporting disc (62) for placing the connecting pieces (3) is arranged on the upper side of the circumferential face of the rotating shafts (61), polishing discs (63) are detachably arranged on the rotating shafts (61), chain wheels (64) are fixedly arranged on the lower side of the circumferential face of the rotating shafts (61), and cleaning parts (65) which play a role in cleaning waste scraps on the surfaces of the polishing discs (63) are arranged on the upper end face of the annular frame (5).

2. The lost foam green casting polishing and buffing apparatus of claim 1, wherein: the storage block (43) consists of a first rectangular block (431) and a second rectangular block (432) which are distributed from top to bottom, wherein the first rectangular block (431) is arranged on the upper end face of the second rectangular block (432) in a sliding manner and can be automatically reset, the upper end face of the first rectangular block (431) is provided with a circular protrusion (433) and a circular groove (434) which are radially inwards outwards arranged along the placing disc (1) and used for limiting the connecting piece (3), and the adjusting rod (45) is fixed at one end, close to the rotating shaft (2), of the second rectangular block (432);

one end of the rectangular block I (431) far away from the rotating shaft (2) is provided with a toggle rod (435), the circumference of the rotating shaft (61) is positioned between the bearing disc (62) and the chain wheel (64), and a cam (436) matched with the toggle rod (435) is arranged.

3. The lost foam green casting polishing and buffing apparatus according to claim 2, wherein: the limiting part (46) comprises a lifting disc (461) which is arranged on the rotating shaft (2) through threads, wherein a plurality of limiting frames (462) which are in one-to-one correspondence with the storage blocks (43) and are in a T-shaped structure are arranged on the circumferential surface of the lifting disc (461), the longer sections of the limiting frames (462) are fixedly connected with the lifting disc (461), the shorter sections of the limiting frames (462) are positioned between round protrusions (433) on the corresponding rectangular blocks (431) and round grooves (434) on the corresponding rectangular blocks (431), and a plurality of rotating rollers (463) are uniformly arranged on the lower end surfaces of the shorter sections of the limiting frames (462) through bearings.

4. A lost foam green casting buffing apparatus according to claim 3 wherein: the utility model discloses a spacing even frame (11) of placing disc (1) up end be provided with L type structure, wherein spacing even frame (11) vertical section fix and be placing disc (1) up end, spacing even frame (11) horizontal segment is located between adjusting disc (41) and lifting disk (461), runs through on lifting disk (461) and slides and be provided with gag lever post (464), gag lever post (464) lower extreme is fixed on spacing even frame (11) horizontal segment up end.

5. A lost foam green casting buffing apparatus according to claim 3 wherein: the adjusting disc (41) is provided with a limiting round rod (411) extending up and down in a penetrating and sliding manner, and a limiting hole (412) matched with the limiting round rod (411) is formed in the side, close to the limiting round rod (411), of the upper end face of the placing disc (1) and located on the limiting frame (462).

6. The lost foam green casting polishing and buffing apparatus of claim 1, wherein: the cleaning part (65) comprises a cleaning frame (651) which is matched with the polishing disc (63) and is in an I-shaped structure, wherein a reversing rod (652) capable of being locked and limited is fixedly arranged on the lower end face of the horizontal section below the cleaning frame (651), and one end, far away from the cleaning frame (651), of the reversing rod (652) is rotatably arranged on the annular frame (5).

7. The lost foam green casting polishing and buffing apparatus of claim 6, wherein: the reversing rod (652) consists of two vertical round rods with different diameters, the diameter of the lower vertical round rod is larger than that of the upper vertical round rod, the upper vertical round rod is fixedly connected with the horizontal section below the cleaning frame (651), and the lower vertical round rod is rotationally connected with the annular frame (5);

the vertical round bar of below install symmetrical fixed bulge (6521) on, fixed bulge (6521) radially distributes along annular frame (5) and its up end runs through and has offered spacing even hole (6522), is close to spacing even hole (6522) on fixed bulge (6521) of placing disc (1) one side and slides on being provided with spacing connecting rod (6523) that extend from top to bottom, spacing connecting rod (6523) lower extreme and annular frame (5) joint each other.

8. The lost foam green casting polishing and buffing apparatus of claim 1, wherein: the polishing disc (63) is provided with a limiting groove, and the upper side of the circumferential surface of the rotating shaft (61) is provided with a limiting protrusion (611) matched with the limiting groove.