Sheet punching machine equipment convenient to demould
By setting up a demolding mechanism and applying lubricant in the stamping machine, the problem of demolding difficulties caused by increased sample adhesion under high temperature and high pressure was solved, achieving efficient automatic or manual demolding.
Patent Information
- Application Number
- CN202520299006.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-24
AI Technical Summary
The high temperature and pressure during the punching process cause the sample to soften, increasing its adhesion to the cutter and making demolding difficult.
A demolding mechanism is set in the stamping machine, including a demolding push block and an elastic component. Under the action of the elastic component, the demolding push block moves down automatically or manually after stamping to push out the sample in the die cutter. Lubricant is applied through the sponge and oil pipe to improve the demolding efficiency.
It enables efficient demolding, either automatically or manually, after stamping, reducing sample adhesion and improving demolding efficiency and effectiveness.
Smart Images
Figure CN223719688U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of punching machine, in particular to a punching machine device facilitating demolding. BACKGROUND
[0002] The punching machine device is a mechanical device specially used for punching various materials (such as high-molecular thin film, metal sheet, etc.) to make samples, has the characteristics of flexible operation, high automation degree, high punching precision, and is widely used in material testing, product research and development, and industrial production fields.
[0003] The punching machine generally consists of a rotating nut, a lifting screw, a pressing plate, a cutter, a driving device, and an operating lever. During use, the sample blank is placed on the paper plane, the cutter is installed at the bottom of the pressing plate according to the shape of the cutting, the pressing plate is lowered through the operating lever, and the sample is punched by the cutter to obtain the sample for detection.
[0004] According to the related technology in the above, high temperature and high pressure are generated during the punching process, which causes the sample to soften and increases the adhesion between the sample and the cutter, resulting in difficulty in demolding. CONTENT OF THE INVENTION
[0005] In order to improve the demolding efficiency of the sample, the present application provides a punching machine device facilitating demolding.
[0006] The punching machine device facilitating demolding provided by the present application adopts the following technical scheme:
[0007] A punching machine device facilitating demolding, comprising a base, a fixed frame arranged on the base, and a punch mechanism arranged on the fixed frame and capable of ascending and descending, the punch mechanism comprising a punch column, a punch driving element for driving the punch column to ascend and descend, and a die cutter arranged on the punch column, further comprising a demolding mechanism arranged on the punch mechanism and used for demolding, the demolding mechanism comprising a demolding push block arranged at the end of the punch column and corresponding to the die cutter, and an elastic assembly connected to the demolding push block, in a normal state, the demolding push block is located in the die cutter.
[0008] By adopting the above technical scheme, the demolding mechanism is arranged, which can improve the demolding efficiency of the sample. Before the punching mechanism punches, the elastic assembly is in a normal state and the demolding push block is located in the die cutter. When the punching mechanism punches, the sample is punched under the action of the die cutter, the demolding push block is separated from the die cutter, and after the punching mechanism resets, the demolding push block has a downward moving trend under the action of the elastic assembly, so as to push out the sample adhered in the die cutter, realize demolding, and facilitate demolding.
[0009] Optionally, the demolding mechanism is slidingly installed on the punch column body, and the punch column body is further provided with a lifting assembly for driving the demolding mechanism to lift.
[0010] By adopting the technical scheme, when the adhesion of the sample is greater than the pushing force of the elastic assembly on the demolding push block, the lifting assembly is started, the demolding mechanism is lowered as a whole, the sample is demolded from the die cutter, and the demolding capacity of the punch machine equipment is further improved.
[0011] Optionally, the outer sidewall of the punch column body is provided with a lifting sliding rail, and the elastic assembly is provided with a lifting sliding groove matched with the lifting sliding rail.
[0012] By adopting the technical scheme, the cooperation of the lifting sliding rail and the lifting sliding groove can guide the overall lifting of the elastic assembly and improve the stability of the elastic assembly when sliding up and down.
[0013] Optionally, the lifting assembly is a lifting cylinder, the lifting cylinder is fixed to the punch column body, and an output shaft is connected to the top of the elastic assembly.
[0014] By adopting the technical scheme, a form of the lifting assembly is disclosed, the lifting assembly is in the form of a lifting cylinder, can realize rapid and stable lifting movement, has a simple structure, and is convenient to assemble.
[0015] Optionally, the lifting assembly comprises a driving cam rotatingly installed at the top of the elastic assembly and a rotating lever for driving the driving cam to rotate.
[0016] By adopting the technical scheme, another form of the lifting assembly is disclosed, the lifting assembly adopts a manual driving mode, has the advantages of simple structure, convenient operation and low cost compared with the cylinder driving.
[0017] Optionally, the bottom of the elastic assembly and the punch column body are further provided with a reset member.
[0018] By adopting the technical scheme, after the driving cam rotates and resets, the reset member can drive the elastic assembly to reset upward and move the demolding push block to the initial state.
[0019] Optionally, the elastic assembly is provided with a first through hole, the sidewall of the punch column body has a locking hole corresponding to the first through hole, and the elastic assembly is provided with a locking bolt in the first through hole.
[0020] By adopting the technical scheme, the locking bolt can lock the elastic assembly, so that the elastic assembly is always guaranteed at a certain height before the rotating lever is started, and the influence of the reset member on the demolding push block is reduced.
[0021] Optionally, the punch column has a sliding bottom groove for the sliding of the demolding push block, the sliding bottom groove is provided with a containing groove on the inner wall of the two sides away from the mold cutter, the punch column is provided with a sponge body and an oil delivery pipe connected with the sponge body in the containing groove, and the sample pushes the demolding push block upward to the containing groove when the punch column is punched.
[0022] By adopting the technical scheme, the sponge body and the oil delivery pipe are arranged, so that the demolding push block moves to the side of the containing groove when the punch mechanism is punched, the side wall of the demolding push block contacts the sponge body, the lubricant is adhered to the side wall of the demolding push block, and the lubricant can be applied to the inner wall of the mold cutter when the demolding push block is reset, thereby further improving the demolding efficiency.
[0023] Optionally, the side wall of the demolding push block is provided with a bristle member for abutting against the sponge body.
[0024] By adopting the technical scheme, the bristle member is arranged, and the efficiency of applying the lubricant to the inner wall of the mold cutter by the demolding push block is improved.
[0025] Optionally, the punch column is provided with a displacement sensor for detecting the punching distance.
[0026] By adopting the technical scheme, the displacement sensor is arranged, the punching distance of the punch column can be detected, the punching distance of the punch mechanism is adjusted, and the damage of the base caused by the punch column is reduced.
[0027] In summary, the present application has at least one of the following beneficial technical effects:
[0028] 1. The present application is provided with the demolding mechanism, after the punching mechanism is reset, the demolding push block has a downward movement tendency under the action of the elastic assembly, so that the sample adhered in the mold cutter can be pushed out, and demolding is realized.
[0029] 2. The present application is provided with the lifting assembly, when the adhesion force of the sample is greater than the reset force of the elastic assembly, the elastic assembly and the demolding push block are moved downward as a whole through the lifting assembly, and demolding is realized.
[0030] 3. The present application is provided with the sponge body and the oil delivery pipe, the lubricant can be adhered to the demolding push block when punching, and then the lubricant is applied to the inner cavity of the mold cutter through the demolding push block, thereby improving the demolding efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 It is a schematic diagram of the overall structure of embodiment 1.
[0032] Figure 2 It is a schematic diagram of the structure of the demolding mechanism of embodiment 1.
[0033] Figure 3is a schematic view of the length direction of the die cutter of Example 1.
[0034] Figure 4 is a schematic view of the width direction of the die cutter of Example 1.
[0035] Figure 5 is a schematic view of the structure of Example 2.
[0036] Reference signs: 1, base; 2, fixed frame; 3, punch mechanism; 31, punch column body; 311, sliding bottom groove; 312, lifting slide rail; 313, containing groove; 314, sponge body; 315, oil delivery pipe; 32, punch driving part; 33, die cutter; 34, displacement sensor; 4, demolding mechanism; 41, demolding push block; 411, brush element; 42, elastic assembly; 421, elastic frame body; 4211, lifting sliding groove; 422, elastic element; 4221, telescopic rod body; 4222, first compression spring element; 423, reset element; 424, first through hole; 43, lifting assembly; 431, lifting cylinder; 432, driving cam; 433, rotating lever; 44, locking bolt. DETAILED DESCRIPTION
[0037] The following will be described in detail with reference to the accompanying drawings. Figures 1-5 The application is further described in detail.
[0038] The application discloses a punching machine device facilitating demolding.
[0039] Reference Figure 1 A punching machine device facilitating demolding, comprising a base 1, a fixed frame 2, a punch mechanism 3 and a demolding mechanism 4. The base 1 is in the shape of a rectangular block as a whole, and has a placement area 11 on the top for placing a test sample, and the fixed frame 2 is fixed to one side of the placement area.
[0040] Reference Figure 1 and Figure 2 The fixed frame 2 is in the shape of L as a whole, the punch mechanism 3 comprises a punch column body 31 slidably installed on the fixed frame 2, a punch driving part 32 for driving the punch column body 31 to lift, and a die cutter 33 fixed to the bottom of the punch column body 31. The punch driving part 32 can be a hydraulic cylinder or a cylinder in the prior art. The length of the die cutter 33 is greater than the length of the punch column body 31. The punch column body 31 is provided with a displacement sensor 34 for detecting the punching distance.
[0041] The demolding mechanism 4 is fixed to the bottom of the punch column body 31 as a whole, and comprises a demolding push block 41, an elastic assembly 42 and a lifting assembly 43.
[0042] The demolding push block 41 is a long rectangular block as a whole, and the length and width thereof are both smaller than the inner cavity of the mold cutter 33. The demolding push block 41 and the mold cutter 33 are correspondingly arranged, for pushing the sample adhered in the mold cutter 33 downward. The bottom end face of the punch cylinder 31 is provided with a sliding bottom groove 311 for installing the demolding push block 41, and the sliding bottom groove 311 is arranged in the height direction.
[0043] With reference to Figure 2 , Figure 3 and Figure 4 , the elastic assembly 42 comprises an elastic frame body 421 fixed to the outer side wall of the punch cylinder 31 and an elastic member 422 connecting the two ends of the demolding push block 41 and the elastic frame body 421. The elastic frame body 421 is a U-shaped frame in the horizontal direction, and is slidingly installed on the punch cylinder 31. The inner side wall of the elastic frame body 421 is provided with a plurality of lifting sliding grooves 4211 spaced apart, and the lifting sliding grooves 4211 are arranged in the vertical direction. The outer side wall of the punch cylinder 31 is bolted with a lifting sliding rail 312 matched with the lifting sliding grooves 4211. The displacement sensor 34 is located between the bottom of the elastic frame body 421 and the bottom end of the punch cylinder 31.
[0044] The elastic member 422 comprises a telescopic rod body 4221 and a first compression spring member 4222 sleeved on the telescopic rod body. The telescopic rod body 4221 is composed of two groups of slidingly matched rod bodies, and the two groups of rod bodies are fixed to the elastic frame body 421 and the demolding push block 41 respectively. In the normal state of the first compression spring member 4222, the demolding push block 41 as a whole is located in the mold cutter 33, and the sliding distance of the two groups of rod bodies is equal to the distance from the top of the mold cutter 33 to the bottom of the demolding push block 41, that is, after the demolding push block 41 is pushed upward out of the mold cutter 33 by the sample, it cannot move upward any more.
[0045] The lifting assembly 43 is used for driving the vertical descent of the elastic assembly 42. In this embodiment, the lifting assembly 43 is a lifting cylinder 431. The lifting cylinder 431 is vertically fixed to the top side wall of the punch cylinder 31, and the output shaft thereof is fixedly connected with the elastic frame body 421. The lifting cylinder 431 realizes the downward movement of the elastic assembly 42 as a whole through the output shaft.
[0046] With reference to Figure 3 and Figure 4, in order to further improve the demolding efficiency, the punch column 31 is provided with a containing groove 313 on the two side walls of the sliding bottom groove 311 away from the mold cutter 33. The punch column 31 is provided with a sponge body 314 and an oil delivery pipe 315 connected with the sponge body 314 in the containing groove 313. The oil delivery pipe 315 is in communication with a lubricating oil tank. The gap between the two adjacent sponge bodies 314 is smaller than the width of the demolding push block 41, and a plurality of brush hair pieces 411 are arranged on the side wall corresponding to the sponge body 314 of the demolding push block 41. Through the extrusion of the demolding push block 41 to the sponge body 314, the brush hair piece 411 can carry the lubricant adsorbed by the sponge body 314, and then after the first compression spring piece 4222 is reset, the demolding push block 41 can apply the lubricant on the brush hair piece 411 to the inner wall of the mold cutter 33.
[0047] The implementation principle of the tablet machine equipment for facilitating demolding in the embodiment of the application is as follows: the sample is placed in the placement area, the punch driving piece 32 is started, the mold cutter 33 is driven to punch downward, the sample is punched and cut in the mold cutter 33, after the punch column 31 is reset, the demolding push block 41 is reset under the action of the elastic member 422, so that the sample in the mold cutter 33 is pushed out; if the sample has a large viscosity and cannot be pushed out, the lifting assembly 43 is started, the elastic frame body 421 and the demolding push block 41 are synchronously moved downward, so that the sample is pushed out.
[0048] Embodiment 2:
[0049] In the embodiment, the structure of the lifting assembly 43 is different from that of the embodiment 1, and the remaining structures are consistent with those of the embodiment 1.
[0050] Reference Figure 5 The lifting assembly 43 is used for driving the vertical descent of the elastic assembly 42. In the embodiment, the lifting assembly 43 is in a manual driving mode. The lifting assembly 43 comprises a driving cam 432 rotatably installed on the punch column 31 and located at the top of the elastic frame body 421, and a rotating lever 433 fixed to the driving cam 432. One end of the rotating lever 433 is coaxial with the rotating shaft of the driving cam 432, and a torsional spring is arranged around the rotating shaft of the driving cam 432, so that after the force applied to the rotating lever 433 is removed, the driving cam 432 can be reset to the initial state.
[0051] When the sample in the mold cutter 33 is not demolded by the detection personnel, the rotating lever 433 is manually driven to rotate, thereby driving the elastic frame body 421 to move downward, and the demolding push block 41 pushes the sample to realize demolding.
[0052] In order to reset the elastic frame body 421, a reset member 423 is installed between the bottom of the elastic frame body 421 and the punch column body 31. The reset member 423 is a second compression spring member arranged vertically. The elastic frame body 421 has a first through hole 424 penetrating through the horizontal direction two side walls, and the lifting slide rail 312 has a locking hole (not marked in the figure) corresponding to the first through hole 424. The elastic frame body 421 is provided with a locking bolt 44 at the first through hole 424, which can lock the elastic frame body 421 and reduce the influence of the reset member 423 on the demolding push block 41. The other end of the locking bolt 44 is fixed to the punch column body 31 through a connecting rope.
[0053] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, so: any equivalent changes made on the basis of the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A punching machine device facilitating demolding, comprising a base (1), a fixed frame (2) arranged on the base (1), and a punch mechanism (3) which is installed on the fixed frame (2) in a lifting manner, the punch mechanism (3) comprising a punch column (31), a punch driving element (32) which drives the punch column (31) to lift, and a die cutter (33) arranged on the punch column (31), characterized in that, Also include setting in the punch mechanism (3) and for stripping stripping mechanism (4), the stripping mechanism (4) includes setting in the punch cylinder (31) end and with the die cutter (33) corresponding stripping push block (41) and connecting the elastic component (42) of the stripping push block (41), the elastic component (42) in normal state, the stripping push block (41) is located in the die cutter (33).
2. A punch and die apparatus for facilitating die release according to claim 1, wherein, The stripping mechanism (4) is slidingly installed on the punch cylinder (31), and the punch cylinder (31) further comprises a lifting assembly (43) for driving the stripping mechanism (4) to lift.
3. A punch and die apparatus for facilitating die release according to claim 2, wherein, The outer side wall of the punch cylinder (31) is provided with a lifting slide rail (312), and the elastic component (42) is provided with a lifting slide groove (4211) matched with the lifting slide rail (312).
4. A punch and die apparatus for facilitating die release according to claim 3, wherein The lifting assembly (43) is a lifting cylinder (431), which is fixed to the punch cylinder (31) and has an output shaft connected to the top of the elastic component (42).
5. A punch and die apparatus for facilitating die release according to claim 3, wherein, The lifting assembly (43) comprises a driving cam (432) rotatably installed on the top of the elastic component (42) and a rotating lever (433) for driving the driving cam (432) to rotate.
6. A punch and die apparatus for facilitating die release according to claim 5, wherein, The bottom of the elastic component (42) and the punch cylinder (31) are further provided with a reset member (423).
7. A punch and die apparatus for facilitating die release according to claim 1, wherein The elastic component (42) is provided with a first through hole (424), and the side wall of the punch cylinder (31) has a locking hole corresponding to the first through hole (424), and the elastic component (42) is provided with a locking bolt (44) in the first through hole (424).
8. A punch and die apparatus for facilitating die release according to claim 1, wherein, The punch cylinder (31) has a sliding bottom groove (311) for the stripping push block (41) to slide, and the sliding bottom groove (311) is provided with a containing groove (313) on the inner wall of the two sides away from the die cutter (33), and the punch cylinder (31) is provided with a sponge body (314) in the containing groove (313) and an oil pipe (315) connected with the sponge body (314), when the punch cylinder (31) is punched, the sample pushes the stripping push block (41) upward to the containing groove (313).
9. A punch and die apparatus for facilitating die release according to claim 8, wherein, The side wall of the stripping push block (41) is provided with a bristle member (411) for abutting against the sponge body (314).
10. A punch and die apparatus for facilitating die release according to claim 1, wherein, The punch cylinder (31) is provided with a displacement sensor (34) for detecting the punching distance.