CN218395626U

CN218395626U - Plasticity cooling structure of step motor lid production

Info

Publication number: CN218395626U
Application number: CN202222885840.3U
Authority: CN
Inventors: 陈旭
Original assignee: Changzhou Jinhuiyuan Machinery Equipment Co ltd
Current assignee: Changzhou Jinhuiyuan Machinery Equipment Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31
Anticipated expiration: 2032-10-31

Abstract

The utility model belongs to the plastic forming field, in particular to a plastic cooling structure for producing a stepping motor cover, which comprises a lower die holder and an upper die holder; the lower die base is provided with a lower die, a piston hole is formed in the lower die base, a roller shaft is transversely arranged in the middle of the piston hole, a gear is sleeved outside the roller shaft, a piston plate is arranged in the piston hole, a lower rack is fixedly connected to the piston plate and meshed with the gear, and the bottom of the piston hole is communicated with the cavity chamber through a water pipe; an upper rack is fixedly connected to the bottom of the upper die holder and meshed with the gear, and the upper rack and the lower rack are arranged on two sides of the gear and opposite to each other; the internal structure design of the piston hole arranged in the lower die holder effectively cools the lower die and the motor cover die after stamping, so that the influence of heat generated during multiple rapid stamping on the motor cover die is eliminated, and the demoulding of the motor cover die is facilitated.

Description

Plasticity cooling structure of step motor lid production

Technical Field

The utility model relates to a plasticity shaping field specifically is a plasticity cooling structure of step motor lid production.

Background

The plastic forming is one of the existing motor cover die forming methods, namely a less-cutting or no-cutting process method for processing a workpiece under the action of an external force of a tool and a die by utilizing the plasticity of materials.

Current plasticity cooling structure is mostly shower nozzle formula water-cooling or forced air cooling, and the shower nozzle formula water-cooling cools off lower mould and motor cover mould through shower nozzle blowout cooling liquid, and the forced air cooling then drives the flabellum through the motor and makes cooling gas blow to motor cover mould, accomplishes the cooling to motor cover mould.

The existing cooling structure has single cooling capacity and insufficient cooling to a motor cover die; therefore, the plastic cooling structure for producing the stepping motor cover is provided aiming at the problems, so that the equipment has sufficient cooling capacity and can be applied to other aspects.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, the heat that the punching press produced can't obtain effective refrigerated problem, the utility model provides a plasticity cooling structure of step motor lid production.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a plastic cooling structure for producing a stepping motor cover, which comprises a lower die holder and an upper die holder; the die comprises a lower die base, an upper die base, a hydraulic pump, a motor, a connecting post, an upper die, a lower die and a die holder, wherein the lower die base is fixedly connected with the hydraulic post; a cavity chamber is formed in the bottom of the inner part of the lower die base and is arranged right below the lower die; a piston hole is formed in the lower die base, a roller shaft is transversely arranged in the middle of the piston hole, a gear is sleeved outside the roller shaft, a piston plate is arranged in the piston hole, a lower rack is fixedly connected to the piston plate and is meshed with the gear, and the bottom of the piston hole is communicated with the cavity chamber through a water pipe; an upper rack is fixedly connected to the bottom of the upper die holder and meshed with the gear, and the upper rack and the lower rack are arranged on two sides of the gear and opposite to each other; when stamping equipment is stamping, the upper die base descends and drives the piston plate to move up and down through the internal structure design of the piston hole, so that liquid in the cavity chamber obtains pressure and enters the lower die from the hole groove to complete the cooling of the motor cover die and the lower die, and meanwhile, the liquid has certain thrust to facilitate the demoulding of the motor cover die after the lower die is stamped.

Preferably, a water storage tank is arranged around the upper die base, one side of the water storage tank is connected with a water delivery hose, the water delivery hose is connected with the water tank through a connecting pipe, a water limiting structure is arranged in the connecting pipe and comprises a buoy, a positioning sheet, a limiting block, a connecting rod and a valve block, the positioning sheet is fixedly connected to the inner wall of a pipeline of the connecting pipe, the connecting rod is inserted into a sliding hole in the center of the positioning sheet, the top end of the connecting rod is fixedly connected with the limiting block, the bottom end of the connecting rod is fixedly connected with the valve block, and the valve block is located below a water outlet of the connecting pipe; the top of the water tank is provided with a slide hole, a buoy is inserted into the slide hole, and the bottom end of the buoy is provided with a buoyancy disc; the bottom of the water tank is connected with the bottom of the piston hole through a water pipe and communicated with the piston hole; cooling liquid can constantly reduce when the punching press cooling, and the storage water tank that sets up through the upper die base top makes cooling liquid preserve at the same water flat line of lower mould for it provides cooling liquid, prevents that cooling liquid from crossing lower mould bottom plane under the restriction of limit water structure, has reduced the influence that cooling liquid produced to punching press cover mould when having guaranteed cooling structure's even running, prevents liquid reflux when the cooling drawing of patterns simultaneously.

Preferably, the lower die and the upper die are in concentric circle structures and are horizontally opposite; the accuracy of mould embedding lower mould can be guaranteed when the punching press, the precision of punching press has been improved.

Preferably, the bottom of the upper die and the top edge of the inner wall of the lower die are both subjected to fillet treatment; fillet is handled and can be reduced the mould and the frictional force of lower mould that go up that the motor lid mould received when the punching press to reduce the damage that the motor lid mould surface received, reduced the damage that the motor lid mould received when the punching press.

Preferably, guide plates are arranged on the periphery of the outer side edge of the lower die, and buffer materials are arranged on the surfaces of the guide plates; the baffle that sets up all around the lower mould makes things convenient for loading of motor cover mould more, and the damage that produces when the buffer material on baffle surface then can reduce motor cover mould and place.

Preferably, the bottom and the peripheral side edges of the piston plate, the edge of the water outlet of the connecting pipe and the surface of the inclined plane of the valve block are all sleeved with sealing rubber; the sealing rubber enables the piston plate to have better sealing effect on the piston hole, enables the valve block to be more effective in sealing the water outlet of the connecting pipe, reduces the possibility of leakage, overflow and backflow of cooling liquid, and improves the reliability of a cooling structure.

The utility model discloses an useful part lies in:

1. the utility model discloses an inside structural design of piston hole, drainage when stamping motor lid mould, the water injection cooling drawing of patterns after stamping motor lid mould shaping has realized punching press and cooling structure's linkage nature, produces the problem that heat influences stamping forming when having solved stamping die, the drawing of patterns of the motor lid mould of being convenient for when having reduced the fashioned bad quality rate of stamping motor lid mould.

2. The utility model discloses a structural design of limit water structure has realized restricting the function of cooling liquid level height in for the moisturizing of cooling structure, has solved the problem that the cooling liquid spills over the lower mould when the punching press, has improved the fashioned yields of stamping motor lid mould.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic internal perspective view of the first embodiment;

FIG. 3 is an enlarged perspective view of part A of the first embodiment;

FIG. 4 is an enlarged perspective view of the first embodiment;

FIG. 5 is a schematic perspective view of an internal cross-section according to a first embodiment;

fig. 6 is a schematic perspective view of the second embodiment.

In the figure: 1. a lower die holder; 2. a hydraulic prop; 3. an upper die holder; 4. a water storage tank; 5. a motor; 6. a lower die; 7. a guide plate; 8. an upper die; 9. connecting columns; 10. a water delivery hose; 11. a float; 12. an upper rack; 13. a lower rack; 14. a gear; 15. a roll shaft; 16. a piston plate; 17. a hollow chamber; 18. a piston bore; 19. a hole groove; 20. a water tank; 21. a connecting pipe; 22. positioning a sheet; 23. a limiting block; 24. a connecting rod; 25. a valve block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a plastic cooling structure for manufacturing a step motor cover includes a lower die base 1 and an upper die base 3; a hydraulic support column 2 is fixedly connected to the lower die holder 1, the top of the hydraulic support column 2 is connected with an upper die holder 3, a hydraulic pump is arranged inside the upper die holder 3, the output end of the hydraulic pump is connected with the hydraulic support column 2, the top of the upper die holder 3 is connected with a motor 5, the output end of the motor 5 is connected with a connecting column 9, the bottom of the connecting column 9 is fixedly connected with an upper die 8, a lower die 6 is arranged on the lower die holder 1, and a hole groove 19 is formed in the bottom of the lower die 6; a cavity chamber 17 is formed in the bottom inside the lower die holder 1, and the cavity chamber 17 is arranged right below the lower die 6; a piston hole 18 is formed in the lower die holder 1, a roller shaft 15 is transversely arranged in the middle of the piston hole 18, a gear 14 is sleeved outside the roller shaft 15, a piston plate 16 is arranged in the piston hole 18, a lower rack 13 is fixedly connected to the piston plate 16, the lower rack 13 is meshed with the gear 14, and the bottom of the piston hole 18 is communicated with a cavity 17 through a water pipe; an upper rack 12 is fixedly connected to the bottom of the upper die holder 3, the upper rack 12 is meshed with a gear 14, and the upper rack 12 and a lower rack 13 are arranged on two sides of the gear 14 and are opposite to each other; when the hydraulic forming machine works, cooling and demolding are completed while stamping is needed to be performed on a motor cover die, a hydraulic pump enables a hydraulic support column 2 to contract to drive an upper die base 3 to descend, the upper die base 3 descends to drive an upper die 8 to descend and be embedded into a lower die 6, meanwhile, a motor 5 drives a connecting column 9 to drive an upper die 8 to rotate, plastic stamping forming on the motor cover die is completed, the hydraulic support column 2 ascends to drive an upper rack 12 to ascend backwards after the plastic stamping forming is completed, the upper rack 12 drives a meshed gear 14 to rotate, the gear 14 rotates to drive a lower rack 13 to descend, the lower rack 13 descends to push a piston plate 16 downwards, the piston plate 16 pushes cooling liquid into a cavity chamber 17 through a water pipe, hydraulic pressure in the cavity chamber 17 is increased to push the cooling liquid to enter a lower die 6 through a hole groove 19, the motor cover die and the lower die 6 are cooled to complete demolding, when the lower die 6 is placed into the die again for stamping, the upper rack 12 descends to push the meshed gear 14, the lower rack 13 is lifted to drive the piston plate 16 to ascend, the piston plate to drive the piston plate to descend through the water pipe to reduce the residual cooling liquid pumped into the cavity chamber 19 to affect the lower die to flow of the cooling liquid flowing back into the lower die 6.

A water storage tank 4 is arranged around the upper die holder 3, one side of the water storage tank 4 is connected with a water delivery hose 10, the water delivery hose 10 is connected with a water tank 20 through a connecting pipe 21, a water limiting structure is installed in the connecting pipe 21 and comprises a buoy 11, a positioning plate 22, a limiting block 23, a connecting rod (24) and a valve block (25), the positioning plate 22 is fixedly connected to the inner wall of a pipeline of the connecting pipe 21, the connecting rod 24 is inserted into a sliding hole in the central position of the positioning plate 22, the top end of the connecting rod 24 is fixedly connected with the limiting block 23, the bottom end of the connecting rod 24 is fixedly connected with the valve block 25, and the valve block 25 is positioned below a water outlet of the connecting pipe 21; the top of the water tank 20 is provided with a slide hole, a buoy 11 is inserted into the slide hole, and the bottom end of the buoy 11 is provided with a buoyancy disc; the bottom of the water tank 20 is connected with the bottom of the piston hole 18 through a water pipe and is communicated with the piston hole 18; when the cooling structure works, water needs to be supplemented when the cooling structure is cooled, cooling liquid enters the water tank 20 from the water storage tank 4 through the water delivery hose 10 after reaching the connecting pipe 21, water supplement to the cooling structure is completed, when the cooling liquid is higher than the lower die 6, the buoyancy disc rises to drive the buoy 11 to rise, the buoyancy disc can push the valve block 25 to rise to complete sealing of the connecting pipe 21, meanwhile, backflow cannot be generated when the piston plate 16 descends to increase hydraulic pressure to the cavity chamber 17, cooling liquid enters the lower die 6 to be cooled, when the cooling liquid is not injected any more, the buoyancy disc drives the buoy 11 to descend, the valve block 25 descends, the connecting rod 24 is connected with the valve block 25 and penetrates through the sliding hole in the positioning plate 22 to be connected with the limiting block 23, the valve block 25 is maintained at the water outlet of the connecting pipe 21 and cannot be flushed by water flow, the valve block 25 descends to open the connecting pipe 21 so that the cooling liquid descends to be injected into the water tank 20 to complete water supplement, water supplement of the cooling structure is changed into automation, the operation flow of the cooling structure is simplified, and the operation stability of the cooling structure is guaranteed.

The lower die 6 and the upper die 8 are in concentric circle structures and are horizontally opposite; during operation, need carry out stamping forming to motor cover mould, go up 8 decline embedding lower moulds 6, lower mould 6 is opposite with last 8 concentric circles structures and level of mould, has reduced the error when stamping motor cover mould shaping greatly, makes motor cover mould's shaping more stable.

The bottom of the upper die 8 and the top edge of the inner wall of the lower die 6 are both subjected to fillet treatment; the during operation need carry out stamping forming to the motor cover mould, goes up the shaping of 6 stamping die of 8 embedding lower moulds of mould, and mould 8 and 6 edge frictions to the motor cover mould of lower mould when the mould 8 that goes up that the fillet was handled and lower mould 6 can reduce the punching press reduce the damage of motor cover mould.

Sealing rubber is sleeved on the bottom and the peripheral side edges of the piston plate 16, the edge of the water outlet of the connecting pipe 21 and the surface of the inclined plane of the valve block 25; the during operation, cooling structure continuously moves, and piston plate 16 is driven and is carried out the piston motion, and sealing rubber makes piston plate 16 more effective to piston hole 18's sealed, prevents cooling liquid's leakage, makes cooling liquid's circulation more smooth and easy, and sealing rubber makes valve block 25 can be better laminate mutually with connecting pipe 21, accomplishes also more effectively to connecting pipe 21's sealed, can effectively prevent the backward flow of cooling liquid.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a guide plate 7 is disposed around an outer side of the lower mold 6, and a buffer material is disposed on a surface of the guide plate 7; during operation, need place motor cover mould earlier, place and flush of motor cover mould can help to baffle 7, reduce the error of motor cover mould punching press, and the buffer material who sets up on baffle 7 then can reduce the wearing and tearing that produce when placing motor cover mould.

When the hydraulic pump makes the hydraulic prop 2 contract to drive the upper die base 3 to descend, the upper die base 3 descends to drive the upper die 8 to descend and be embedded into the lower die 6, meanwhile, the motor 5 drives the connecting column 9 to drive the upper die 8 to rotate, plastic stamping forming is completed, the hydraulic prop 2 ascends to drive the upper rack 12 to ascend after plastic stamping forming is completed, the upper rack 12 drives the meshed gears 14 to rotate, the gears 14 rotate to drive the lower rack 13 to descend, the lower rack 13 descends to push the piston plate 16 to descend, when the piston plate 16 is driven to perform piston motion, the sealing rubber arranged on the piston plate 16 seals the piston hole 18, the piston plate 16 pushes cooling liquid into the hollow chamber 17 through a water pipe, the hydraulic pressure in the hollow chamber 17 is increased to push the cooling liquid into the lower die 6 through the hole groove 19, the cooling motor cover die and the lower die 6 simultaneously push the motor cover die to complete demolding, when the lower die 6 is put into the motor cover die to perform stamping, the floating pressure to drive the piston plate 16 to move, and the water tank 17 to drive the piston plate 16 to move up through the water pipe, when the floating pressure of the water tank 17, the floating pressure is increased, the floating pressure of the water tank, the floating pressure water tank 17, the floating pressure water tank, the floating pressure of the floating pressure tank 16 can be used for cooling liquid to drain, and the floating water tank 17, the floating water tank to drain the floating water tank 16, the floating water tank 17, the floating water tank to drain tank 17, when the cooling liquid is not injected any more and the liquid level of the cooling liquid is lowered, the buoyancy disc drives the buoy 11 to descend, the valve block 25 descends accordingly, the connecting rod 24 is connected with the valve block 25 and penetrates through the sliding hole in the positioning piece 22 to be connected with the limiting block 23, the valve block 25 is maintained at the water outlet of the connecting pipe 21, and the valve block 25 descends to open the connecting pipe 21 so that the cooling liquid descends to be injected into the water tank 20 to complete water supplement.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A plastic cooling structure for producing a stepping motor cover is characterized by comprising a lower die holder (1) and an upper die holder (3); the die comprises a lower die base (1), an upper die base (3) and a motor (5), wherein a hydraulic pillar (2) is fixedly connected to the lower die base (1), the top of the hydraulic pillar (2) is connected with the upper die base (3), a hydraulic pump is arranged inside the upper die base (3), the output end of the hydraulic pump is connected with the hydraulic pillar (2), the top of the upper die base (3) is connected with the motor (5), the output end of the motor (5) is connected with a connecting column (9), the bottom of the connecting column (9) is fixedly connected with an upper die (8), a lower die (6) is arranged on the lower die base (1), and a hole groove (19) is formed in the bottom of the lower die (6); a cavity chamber (17) is formed in the bottom of the inner part of the lower die holder (1), and the cavity chamber (17) is arranged right below the lower die (6); a piston hole (18) is formed in the lower die holder (1), a roller shaft (15) is transversely arranged in the middle of the inside of the piston hole (18), a gear (14) is sleeved outside the roller shaft (15), a piston plate (16) is arranged in the piston hole (18), a lower rack (13) is fixedly connected to the piston plate (16), the lower rack (13) is meshed with the gear (14), and the bottom of the piston hole (18) is communicated with a cavity chamber (17) through a water pipe; the bottom of the upper die holder (3) is fixedly connected with an upper rack (12), the upper rack (12) is meshed with a gear (14), and the upper rack (12) and the lower rack (13) are arranged on two sides of the gear (14) and are opposite to each other.

2. The plastic cooling structure for stepper motor cover production as claimed in claim 1, wherein: the water storage tank (4) is arranged around the upper die base (3), one side of the water storage tank (4) is connected with a water delivery hose (10), the water delivery hose (10) is connected with a water tank (20) through a connecting pipe (21), a water limiting structure is installed in the connecting pipe (21), the water limiting structure comprises a buoy (11), a positioning piece (22), a limiting block (23), a connecting rod (24) and a valve block (25), the positioning piece (22) is fixedly connected onto the inner wall of a pipeline of the connecting pipe (21), the connecting rod (24) penetrates through a sliding hole in the central position of the positioning piece (22), the top end of the connecting rod (24) is fixedly connected with the limiting block (23), the bottom end of the connecting rod (24) is fixedly connected with the valve block (25), and the valve block (25) is located below a water outlet of the connecting pipe (21); a sliding hole is formed in the top of the water tank (20), a buoy (11) is inserted into the sliding hole, and a buoyancy disc is arranged at the bottom end of the buoy (11); the bottom of the water tank (20) is connected with the bottom of the piston hole (18) through a water pipe and is communicated with the piston hole (18).

3. The plastic cooling structure for stepper motor cover production as claimed in claim 1, wherein: the lower die (6) and the upper die (8) are in concentric circle structure and are horizontally opposite.

4. The plastic cooling structure for stepper motor cover production as claimed in claim 1, wherein: and the bottom of the upper die (8) and the top edge of the inner wall of the lower die (6) are both subjected to fillet treatment.

5. The plastic cooling structure for stepper motor cover production as claimed in claim 1, wherein: and guide plates (7) are arranged on the periphery of the outer side edge of the lower die (6), and buffer materials are arranged on the surfaces of the guide plates (7).

6. The plastic cooling structure for stepper motor cover production as claimed in claim 2, wherein: and sealing rubber is sleeved on the bottom and the peripheral side edges of the piston plate (16), the edge of a water outlet of the connecting pipe (21) and the surface of the inclined plane of the valve block (25).