CN112139447B

CN112139447B - Cylinder-free hydraulic wax injector for producing metal castings

Info

Publication number: CN112139447B
Application number: CN202010823881.2A
Authority: CN
Inventors: 许四冈; 黄永沃
Original assignee: Jinjiang Qucheng Machinery Co ltd
Current assignee: Jinjiang Qucheng Machinery Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2022-04-12
Anticipated expiration: 2040-08-17
Also published as: CN112139447A

Abstract

The invention relates to the technical field of metal casting production, and discloses a cylinder-free hydraulic wax injection machine for producing metal castings, which comprises a workbench, an upper die and a lower die, wherein a plurality of positioning holes are formed in the upper surface of the lower die, a plurality of positioning shafts are fixed on the lower surface of the upper die through bolts, the positioning shafts are clamped with the positioning holes, a lower die device is arranged on the upper surface of the upper die, and two stand columns are fixed on the upper surface of the workbench through bolts. The invention has the advantages of replacing manual mould taking, saving time and labor, reducing the damage of the wax mould, improving the quality of the wax mould, positioning the upper mould and the lower mould when the upper mould and the lower mould are installed, improving the accurate positioning performance of the device, parting the cast wax mould, thereby ensuring that the injection process is flexible and efficient, reducing the labor, improving the working efficiency, avoiding wax leakage during wax injection, wasting raw materials, saving resources and improving the practicability of the device.

Description

Cylinder-free hydraulic wax injector for producing metal castings

Technical Field

The invention relates to the technical field of metal casting production, in particular to a cylinder-free hydraulic wax injection machine for producing metal castings.

Background

As is well known, a wax injection machine is a device for injection molding of molds, which is widely used in the field, and the existing wax injection machine includes a heating part and an injection part, and the wax is heated and injected into the mold, and then molded after cooling; however, the existing wax injection machine is not flexible enough in use, and a manual lower die is needed, so that a cylinder-free hydraulic wax injection machine for producing metal castings is needed.

At present, most of the existing cylinder-free hydraulic wax injection machines have the following defects: most still adopt artifical drawing of patterns, the drawing of patterns wastes time and energy, and causes the damage to the wax matrix easily, and the current jar hydraulic pressure of exempting from penetrates wax machine most still can not agree with the actual need well, can not satisfy people's requirement.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a cylinder-free hydraulic wax injection machine for producing metal castings, which mainly solves the problems that manual mold extraction is mostly adopted, the mold extraction is time-consuming and labor-consuming, and the wax mold is easily damaged.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

a cylinder-free hydraulic wax injection machine for producing metal castings comprises a workbench, an upper die and a lower die, wherein the upper surface of the lower die is provided with a plurality of positioning holes, the lower surface of the upper die is fixedly provided with a plurality of positioning shafts through bolts, the positioning shafts are clamped with the positioning holes, the upper surface of the upper die is provided with a lower die device, the upper surface of the workbench is fixedly provided with two stand columns through bolts, one sides of the stand columns are fixedly provided with slide ways through bolts, one sides of the slide ways are connected with a slide block in a sliding mode, one sides of the slide blocks are fixedly provided with parting agent tanks through bolts, the other sides of the slide blocks are fixedly provided with nozzles through bolts, the nozzles are communicated with the parting agent tanks, one sides of the nozzles are fixedly provided with a pressing plate through bolts, one sides of the nozzles are sleeved with first springs, one ends of the first springs are fixedly connected with the slide blocks, the other ends of the first springs are fixedly connected with the pressing plate, the upper surface of the workbench is fixedly provided with a motor through bolts, one end of the output shaft of the motor is fixed with a threaded column through a bolt, the threaded column passes through one of the upright columns, the other end of the threaded column is rotationally connected with the other upright column, and the two sides of the upright post are fixed with guide rods through bolts, the guide rods and one side of the threaded post are both rotationally connected with threaded blocks, the threaded blocks are fixedly connected with a parting agent tank, a supporting plate is fixed on the upper surface of the workbench through bolts, a wedge-shaped block is fixed on one side of the supporting plate through bolts, a chute is arranged on one side of the wedge-shaped block, a sliding block is connected on one side of the chute in a sliding manner, a discharging plate is fixed on one side of the sliding block through bolts, a plurality of supporting blocks are fixed on the upper surface of the workbench through bolts, one side of one of the supporting blocks is fixed with a second spring through a bolt, the second spring is fixedly connected with the sliding block, and one side of the other supporting block is fixedly provided with a sliding column through a bolt, and the sliding column is in sliding connection with the discharging plate.

Further: the lower die device comprises a rotating block and an installation block, the installation block is rotatably connected with a hydraulic rod with one side of the rotating block, and the installation block is fixedly connected with the upper die.

On the basis of the scheme: the upper surface of workstation has the support frame through the bolt fastening, and one side of support frame is equipped with the recess, and one side of support frame has the protection network through the bolt fastening, one side inner wall and the turning block fixed connection of protection network.

As a still further scheme of the invention: the inner wall of one side of support frame has two locating levers through the bolt fastening, and goes up one side of mould and has two slip rings through the bolt fastening, slip ring and locating lever sliding connection, and one side of bed die is fixed with two fixture blocks through the bolt fastening, fixture block and locating lever looks joint.

Further: the storage box is fixed on one side of the support frame and one side of the workbench through bolts, the wax injection nozzle is welded on one side of the storage box, the wax injection opening is formed between the upper die and the lower die, and the wax injection opening and the wax injection nozzle are located on the same horizontal line.

On the basis of the scheme: the upper surface of workstation is equipped with the pond, and the pond all is fixed with ejection of compact baffle through the bolt with one side of bed die, and one side in pond is equipped with the drain pipe, and the welding of one side of drain pipe has the valve.

As a still further scheme of the invention: and a rotating disc is fixed on one side of the output shaft of the motor through a bolt, and a shifting column is fixed on one side of the rotating disc through a bolt.

Further: the upper surface of workstation passes through the bolt fastening and has the guard plate, and the guard plate is located one side of rolling disc.

On the basis of the scheme: the upper surface of workstation has operating panel through the bolt fastening, and the upper surface of workstation has the baffle through the bolt fastening, and the baffle is located one side of screw thread post.

(III) advantageous effects

Compared with the prior art, the invention provides a cylinder-free hydraulic wax injection machine for producing metal castings, which has the following beneficial effects:

1. make the sliding block in the gliding setting in one side of spout under the cooperation through the second spring to make the stripper slide under the cooperation of slip post, thereby push away the wax matrix that will cast, thereby replaced artifical drawing, drawing labour saving and time saving has reduced the damage of wax matrix, has improved the quality of wax matrix.

2. Through the setting of locating hole and location axle can fix a position it when installing mould and bed die, dislocation when avoiding mould and bed die installation, influence the quality of wax matrix, improved the accurate location nature of device.

3. Drive screw thread post pivoted through the motor and set up can be under the cooperation of guide bar for the screw thread block removes, thereby drives the parting agent jar and removes, then under the cooperation of slide and slider, makes the nozzle remove, thereby spouts the parting agent in the parting agent jar to the wax matrix that is cast, thereby carries out the parting to the wax matrix that is cast, thereby makes the process of spraying nimble high-efficient, has reduced the manual work, has improved work efficiency.

4. Wax leakage, extravagant raw materials, resources are saved have improved the practicality of device when can avoiding penetrating the wax through penetrating the cooperation setting of wax mouth with penetrating wax mouth parallel and level.

Drawings

FIG. 1 is a schematic perspective view of a cylinder-free hydraulic wax injection machine for producing metal castings according to the present invention;

FIG. 2 is an exploded view of a die structure of a cylinder-free hydraulic wax injection machine for producing metal castings according to the present invention;

FIG. 3 is a schematic side view of a cylinder-free hydraulic wax injection machine for producing metal castings according to the present invention;

FIG. 4 is an enlarged schematic structural view of a cylinder-free hydraulic wax injection machine for producing metal castings according to the present invention at location A;

fig. 5 is a schematic top view of a cylinder-free hydraulic wax injection machine for producing metal castings according to the present invention.

In the figure: 1. a work table; 2. a support frame; 3. a groove; 4. a protective net; 5. rotating the block; 6. a hydraulic lever; 7. mounting blocks; 8. an upper die; 9. a lower die; 10. positioning the shaft; 11. positioning holes; 12. a clamping block; 13. a slip ring; 14. positioning a rod; 15. a storage tank; 16. a wax injection nozzle; 17. a motor; 18. a threaded post; 19. a thread block; 20. a guide bar; 21. a parting agent tank; 22. a slideway; 23. a baffle plate; 24. a slider; 25. a nozzle; 26. a first spring; 27. pressing a plate; 28. a wedge-shaped block; 29. a chute; 30. a slider; 31. a support block; 32. a second spring; 33. a stripper plate; 34. a sliding post; 35. an operation panel; 36. a column; 37. a discharging guide plate; 38. rotating the disc; 39. shifting the column; 40. a protection plate; 41. a pool; 42. a valve; 43. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a cylinder-free hydraulic wax injection machine for producing metal castings comprises a workbench 1, an upper die 8 and a lower die 9, wherein the upper surface of the lower die 9 is provided with a plurality of positioning holes 11, the lower surface of the upper die 8 is fixed with a plurality of positioning shafts 10 through bolts, the positioning shafts 10 are clamped with the positioning holes 11, the upper die 8 and the lower die 9 can be positioned when being installed through the design of the positioning holes 11 and the positioning shafts 10, the upper die 8 and the lower die 9 are prevented from being misplaced when being installed, the quality of a wax mold is prevented from being influenced, the upper surface of the upper die 8 is provided with a lower die device, the upper surface of the workbench 1 is fixed with two upright posts 36 through bolts, one side of each upright post 36 is fixed with a slide rail 22 through a bolt, one side of each slide rail 22 is connected with a slide block 24 in a sliding manner, one side of each slide block 24 is fixed with a parting agent tank 21 through a bolt, and the other side of each slide block 24 is fixed with a nozzle 25 through a bolt, the nozzle 25 is communicated with the parting agent tank 21, under the matching of the slide way 22 and the slide block 24, the nozzle 25 is moved, so that the parting agent in the parting agent tank 21 is sprayed to the cast wax mold, so that the cast wax mold is parted, so that the spraying process is flexible and efficient, the manpower is reduced, one side of the nozzle 25 is fixedly provided with a pressing plate 27 through a bolt, one side of the nozzle 25 is sleeved with a first spring 26, one end of the first spring 26 is fixedly connected with the slide block 24, the other end of the first spring 26 is fixedly connected with the pressing plate 27, the upper surface of the workbench 1 is fixedly provided with a motor 17 through a bolt, one end of an output shaft of the motor 17 is fixedly provided with a threaded column 18 through a bolt, the threaded column 18 penetrates through one of the upright columns 36, the other end of the threaded column 18 is rotatably connected with the other upright column 36, two sides of the upright columns 36 are fixedly provided with guide rods 20 through bolts, the threaded column 18 rotates under the driving of the motor 17, so that under the coordination of the guide rod 20, the thread block 19 moves to drive the parting agent tank 21 to move, the guide rod 20 is rotatably connected with the thread block 19 on one side of the thread column 18, the thread block 19 is fixedly connected with the parting agent tank 21, the upper surface of the workbench 1 is fixedly provided with a support plate through a bolt, one side of the support plate is fixedly provided with a wedge block 28 through a bolt, when the pressure plate 27 is contacted with the wedge block 28, the pressure plate 27 is compressed backwards by utilizing the compressibility of the first spring 26, then the nozzle 25 is opened, one side of the wedge block 28 is provided with a chute 29, one side of the chute 29 is slidably connected with a sliding block 30, one side of the sliding block 30 is fixedly provided with a discharging plate 33 through a bolt, the upper surface of the workbench 1 is fixedly provided with a plurality of support blocks 31 through bolts, the support blocks 31 play a supporting role for the discharging plate 33, one side of one support block 31 is fixedly provided with a second spring 32 through a bolt, the sliding block 30 slides on one side of the sliding slot 29 under the cooperation of the second spring 32, the second spring 32 is fixedly connected with the sliding block 30, one side of the other supporting block 31 is fixedly provided with a sliding column 34 through a bolt, the discharging plate 33 slides under the cooperation of the sliding column 34, and the sliding column 34 is connected with the discharging plate 33 in a sliding mode.

The lower die device comprises a rotating block 5 and a mounting block 7, the mounting block 7 is rotatably connected with a hydraulic rod 6 with one side of the rotating block 5, the mounting block 7 is fixedly connected with an upper die 8, a support frame 2 is fixed on the upper surface of a workbench 1 through bolts, a groove 3 is arranged on one side of the support frame 2, a protective net 4 is fixed on one side of the support frame 2 through bolts, the protective net 4 plays a role in protecting the hydraulic rod 6, the inner wall of one side of the protective net 4 is fixedly connected with the rotating block 5, two positioning rods 14 are fixed on the inner wall of one side of the support frame 2 through bolts, the upper die 8 is opened under the matching of the positioning rods 14 by utilizing the flexibility of the hydraulic rod 6, two sliding rings 13 are fixed on one side of the upper die 8 through bolts, the positioning rods 14 play a role in guiding the sliding rings 13, the sliding rings 13 are slidably connected with the positioning rods 14, and two clamping blocks 12 are fixed on one side of the lower die 9 through bolts, the clamping block 12 is clamped with the positioning rod 14, a storage box 15 is fixed on one side of the support frame 2 and one side of the workbench 1 through bolts, a wax injection nozzle 16 is welded on one side of the storage box 15, the storage box 15 is opened, so that wax in the storage box 15 flows to the wax injection nozzle 16, a wax injection opening is formed between the upper die 8 and the lower die 9 and is positioned on the same horizontal line with the wax injection nozzle 16, wax leakage during wax injection can be avoided through the parallel and level matching arrangement of the wax injection nozzle 16 and the wax injection opening, raw materials are wasted, resources are saved, a water pool 41 is arranged on the upper surface of the workbench 1, a discharge plate 37 is fixed on one side of the water pool 41 and one side of the lower die 9 through bolts, a discharge plate 33 slides under the matching of a sliding column 34, so that the cast wax mold slides to the water pool 41 through the discharge guide plate 37, the cast wax mold is cooled, a drain pipe 43 is arranged on one side of the water pool 41, a valve 42 is welded on one side of the drain pipe 43, after the wax matrix cooling is finished, open valve 42, make the water in the pond 41 discharge through drain pipe 43, one side of motor 17 output shaft has rolling disc 38 through the bolt fastening, one side of rolling disc 38 has stirring post 39 through the bolt fastening, drive rolling disc 38 and rotate when motor 17 pivoted, thereby it rotates to drive stirring post 39, thereby make stirring post 39 strike ejection of compact baffle 37, avoid the bonding of wax matrix and ejection of compact baffle 37, the upper surface of workstation 1 has guard plate 40 through the bolt fastening, guard plate 40 is located one side of rolling disc 38, the upper surface of workstation 1 has operating panel 35 through the bolt fastening, press mold time has been formulated through operating panel 35, penetrate wax time, the mold lifting time, and the upper surface of workstation 1 has baffle 23 through the bolt fastening, baffle 23 is located one side of screw thread post 18.

The working principle of the embodiment is as follows: when the wax injection molding machine is used, firstly, the film pressing time, the wax injection time and the mold lifting time are set through the operation panel 35, then the upper mold 8 and the lower mold 9 are positioned through the positioning hole 11 and the positioning shaft 10, then the wax injection port between the upper mold 8 and the lower mold 9 is parallel to the position of the wax injection nozzle 16, then the storage box 15 is opened, so that wax in the storage box 15 flows to the wax injection nozzle 16, the wax is injected into the wax injection port through the wax injection nozzle 16, then the injected wax flows to the inner parts of the upper mold 8 and the lower mold 9, after the wax injection is finished, the wax mold is made into the wax through the upper mold 8 and the lower mold 9, the upper mold 8 is opened under the matching of the positioning rod 14 by utilizing the flexibility of the hydraulic rod 6, at the moment, the motor 17 is started, the lower threaded column 18 is driven by the motor 17 to rotate, so that the threaded block 19 moves under the matching of the guide rod 20, and the parting agent tank 21 is driven to move, then under the cooperation of the slide rail 22 and the slide block 24, the nozzle 25 is moved, when the press plate 27 is contacted with the wedge block 28, the compression property of the first spring 26 is utilized to make the press plate 27 compressed backwards, then the nozzle 25 is opened, then the parting agent in the parting agent tank 21 is sprayed to the cast wax mold, so as to perform parting on the cast wax mold, because the temperature of the cast wax mold is high, the slide block 30 slides on one side of the slide groove 29 under the cooperation of the second spring 32, so that the discharge plate 33 slides under the cooperation of the slide column 34, so as to slide the cast wax mold to the water tank 41 through the discharge guide plate 37, so as to cool the cast wax mold, then the motor 17 rotates and simultaneously drives the rotating disc 38 to rotate, thereby driving the toggle column 39 to rotate, so that the toggle column 39 strikes the discharge guide plate 37, thereby avoiding the adhesion of the wax mold and the discharge guide plate 37, and after the temperature of the wax mold is reduced, the valve 42 is opened to allow the water in the sump 41 to drain through the drain pipe 43.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The cylinder-free hydraulic wax injection machine for producing metal castings comprises a workbench (1), an upper die (8) and a lower die (9), and is characterized in that a plurality of positioning holes (11) are formed in the upper surface of the lower die (9), a plurality of positioning shafts (10) are fixedly connected to the lower surface of the upper die (8), the positioning shafts (10) are connected with the positioning holes (11) in a clamping mode, a lower die device is arranged on the upper surface of the upper die (8), two stand columns (36) are fixedly connected to the upper surface of the workbench (1), a slide way (22) is fixedly connected to one sides of the stand columns (36), a slide block (24) is movably connected to one side of the slide way (22), a parting agent tank (21) is fixedly connected to one side of the slide block (24), a nozzle (25) is fixedly connected to the other side of the slide block (24), a pressing plate (27) is fixedly connected to one side of the nozzle (25), a first spring (26) is arranged on one side of the nozzle (25), one end of the first spring (26) is fixedly connected with the sliding block (24), the other end of the first spring (26) is fixedly connected with the pressing plate (27), the upper surface of the workbench (1) is fixedly connected with a motor (17), one end of an output shaft of the motor (17) is fixedly connected with a threaded column (18), the threaded column (18) penetrates through one of the upright columns (36), the other end of the threaded column (18) is movably connected with the other upright column (36), two sides of the upright column (36) are fixedly connected with guide rods (20), the guide rods (20) and one side of the threaded column (18) are both movably connected with threaded blocks (19), the threaded blocks (19) are fixedly connected with the parting agent tank (21), the upper surface of the workbench (1) is fixedly connected with a supporting plate, and one side of the supporting plate is fixedly connected with a wedge block (28), one side of carving shape piece (28) is equipped with spout (29), and one side swing joint of spout (29) has sliding block (30), one side fixedly connected with stripper (33) of sliding block (30), and the last fixed surface of workstation (1) is connected with a plurality of supporting shoes (31), one side fixedly connected with second spring (32) of one of them supporting shoe (31), second spring (32) and sliding block (30) fixed connection, one side fixedly connected with slip post (34) of another supporting shoe (31), slip post (34) and stripper (33) swing joint.

2. A cylinder-free hydraulic wax injection machine for the production of metal castings according to claim 1, wherein: the lower die device comprises a rotating block (5) and an installation block (7), a hydraulic rod (6) is movably connected to one side of the installation block (7) and one side of the rotating block (5), and the installation block (7) is fixedly connected with an upper die (8).

3. A cylinder-free hydraulic wax injection machine for the production of metal castings according to claim 2, wherein: the upper surface of the workbench (1) is fixedly connected with a support frame (2), one side of the support frame (2) is provided with a groove (3), one side of the support frame (2) is fixedly connected with a protective net (4), and the inner wall of one side of the protective net (4) is fixedly connected with a rotating block (5).

4. A cylinder-free hydraulic wax injection machine for the production of metal castings according to claim 3, wherein: the inner wall of one side of the support frame (2) is fixedly connected with two positioning rods (14), one side of the upper die (8) is fixedly connected with two sliding rings (13), the sliding rings (13) are movably connected with the positioning rods (14), one side of the lower die (9) is fixedly connected with two clamping blocks (12), and the clamping blocks (12) are clamped with the positioning rods (14).

5. The cylinder-free hydraulic wax injection machine for the production of metal castings according to claim 4, wherein: support frame (2) and equal fixedly connected with bin (15) in one side of workstation (1), one side fixedly connected with of bin (15) penetrates wax mouth (16), and is equipped with between last mould (8) and bed die (9) and penetrates the wax mouth, penetrates the wax mouth and penetrates wax mouth (16) and be located same water flat line.

6. A cylinder-free hydraulic wax injection machine for the production of metal castings according to claim 1, wherein: the upper surface of workstation (1) is equipped with pond (41), and pond (41) and the equal fixedly connected with ejection of compact baffle (37) of one side of bed die (9), and one side of pond (41) is equipped with drain pipe (43), one side fixedly connected with valve (42) of drain pipe (43).

7. A cylinder-free hydraulic wax injection machine for the production of metal castings according to claim 1, wherein: one side of the output shaft of the motor (17) is fixedly connected with a rotating disc (38), and one side of the rotating disc (38) is fixedly connected with a toggle column (39).

8. A cylinder-free hydraulic wax injection machine for the production of metal castings according to claim 7, wherein: the upper surface of the workbench (1) is fixedly connected with a protection plate (40), and the protection plate (40) is located on one side of the rotating disc (38).

9. A cylinder-free hydraulic wax injection machine for the production of metal castings according to claim 8, wherein: the upper surface of the workbench (1) is fixedly connected with an operation panel (35), the upper surface of the workbench (1) is fixedly connected with a baffle (23), and the baffle (23) is located on one side of the threaded column (18).