Plastic part stamping device with limiting function

Abstract

The plastic part stamping device with the limiting function comprises a fixed die body and a die base, the fixed die body is arranged at the top of the die base, adjusting cylinder parts are arranged at the positions, close to the two sides, of the upper surface of the die base, and first spring parts are movably connected to the surfaces of the adjusting cylinder parts in a sleeved mode. The position, located above the first spring piece, of the surface of the adjusting barrel piece is movably sleeved with a demolding plate, the demolding plate is located over the mold body, the adjusting barrel piece comprises a fixing barrel, and a telescopic rod is movably arranged in the fixing barrel. According to the demolding device, the height of the demolding plate is adjusted by arranging the adjusting cylinder part, so that the demolding plate can drive a stamping part to a required height after demolding during demolding, demolding adjustment can be performed according to the demolding height, and the effect of adjusting the demolding height of the demolding plate is achieved; the problem that in the prior art, the demolding height cannot be controlled, and the demolding effect is affected is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping, in particular to a plastic part stamping device with a limiting function. Background Art

[0002] A stamping machine, also known as a press or a punching machine, is an important mechanical equipment widely used in metal processing and manufacturing industries. Its main function is to apply external force to plastic plates, bars, pipes, etc. such as metal and plastic in cold or hot states to make them undergo plastic deformation to form the required parts or products. Specifically, the stamping process is completed by the up and down movement of the mold. According to the different structures and working methods, the existing stamping machines can be divided into open stamping machines, closed stamping machines and mechanical stamping machines.

[0003] After the punching machine punches, a removal operation needs to be performed. In the prior art, in the Chinese patent CN219486332U, the patent name is a plastic part stamping device with a limit function, which uses the function of the mechanical structure to automatically control the workpiece to be disengaged and reduce the generation of burrs. However, it is difficult to control the height of the limit plate for the detachment of the punched workpiece. If the detachment height is higher than the height between the limit plate and the fixed mold, the stamped part cannot be completely demolded, affecting the demolding effect.

[0004] Therefore, how to provide a plastic part stamping device with a limiting function is a problem that those skilled in the art need to solve urgently. Utility Model Content

[0005] One purpose of the utility model is to provide a plastic part stamping device with a limit function. The utility model solves the problem in the prior art that the demoulding height cannot be controlled and affects the demoulding effect.

[0006] According to an embodiment of the utility model, a plastic part stamping device with a limiting function includes a fixed mold body and a mold base, wherein the fixed mold body is arranged on the top of the mold base, an adjusting cylinder is arranged on the upper surface of the mold base near the two sides, a first spring part is movably sleeved on the surface of the adjusting cylinder, a stripping plate is movably sleeved on the surface of the adjusting cylinder located above the first spring part, and the stripping plate is located directly above the mold body.

[0007] The adjusting cylinder comprises a fixed cylinder, a telescopic rod is movably arranged inside the fixed cylinder, the top end of the telescopic rod passes through the fixed cylinder and extends to the top of the fixed cylinder, a positioning bolt is arranged on the side of the fixed cylinder, the positioning bolt passes through the fixed cylinder and fits on the surface of the telescopic rod to position the telescopic rod, a positioning ring is fixedly sleeved on the surface of the telescopic rod, the lower surface of the positioning ring fits on the top of the fixed cylinder, a first spring member is movably sleeved on the surface of the telescopic rod located outside the fixed cylinder, the bottom end of the first spring member moves on the upper surface of the positioning ring, and the top end of the first spring member moves on the lower surface of the stripping plate.

[0008] The adjusting cylinder also includes a ring, the surface of the ring is movable on the telescopic rod, the ring is movable on the upper surface of the stripping plate, a positioning groove is provided on the surface of the telescopic rod away from the fixed mold body, a limiting groove is provided on the inner wall of the ring, a clamping joint is movably connected inside the limiting groove, one end of the clamping joint extending out of the limiting groove is clamped inside the positioning groove, a pull rod is provided at the other end of the clamping joint, the other end of the pull rod passes through the limiting groove and the ring and extends to the outside of the ring, a second spring member is movably sleeved on the surface of the pull rod located inside the limiting groove, and two ends of the second spring member are respectively fitted on the surface of the clamping joint and the inner wall of the limiting groove.

[0009] The number of the positioning grooves is greater than or equal to one, and the number of positioning grooves greater than or equal to one is vertically arranged on the surface of the telescopic rod.

[0010] The fixed mold body is provided with a stamping groove, and a cooling cavity is opened inside the fixed mold body near the stamping groove. The two ends of the cooling cavity are connected with the outside of the fixed mold body after passing through the fixed mold body respectively. A water inlet pipe and a water outlet pipe are respectively provided on the fixed mold body at the two ends of the cooling cavity, wherein a water pump is provided on the water outlet pipe, and then a water tank is provided at the other end of the water inlet pipe and the other end of the water pump, and the water tank is installed on the upper surface of the mold base.

[0011] The water tank is provided with ventilation holes, and a heat dissipation fan is installed on the side of the water tank away from the fixed mold body.

[0012] The beneficial effects of the utility model are:

[0013] By setting an adjusting cylinder, the height of the demoulding plate can be adjusted by adjusting the cylinder. In this way, the demoulding plate can drive the stamping part to the required height after demoulding, and the demoulding can be adjusted according to the demoulding height, thereby achieving the effect of adjusting the demoulding height of the demoulding plate, and solving the problem in the prior art that the demoulding height cannot be controlled and affects the demoulding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 The utility model discloses a three-dimensional flow chart of a plastic part punching device provided with a limit function.

[0016] Figure 2 This is a top view flow chart of a plastic part stamping device with a limiting function proposed by the utility model.

[0017] Figure 3This is a front view cross-sectional flow chart of adjusting the position of a cylinder in a plastic part stamping device with a limit function proposed by the utility model.

[0018] Figure 4 This is a side view flow chart of a plastic part stamping device with a limiting function proposed by the utility model.

[0019] The attached drawings indicate: 1. fixed mold body; 2. mold seat; 3. adjusting cylinder; 4. first spring member; 5. stripping plate; 6. fixing cylinder; 7. telescopic rod; 8. positioning bolt; 9. positioning ring; 10. sleeve ring; 11. positioning groove; 12. limiting groove; 13. clamping joint; 14. pull rod; 15. second spring member; 16. stamping groove; 17. cooling chamber; 18. water inlet pipe; 19. water outlet pipe; 20. water pump; 21. water tank; 22. ventilation hole; 23. cooling fan. DETAILED DESCRIPTION

[0020] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0021] Example 1

[0022] refer to Figure 1-4, including a fixed mold body 1 and a mold base 2, the fixed mold body 1 is arranged on the top of the mold base 2, and an adjusting cylinder 3 is arranged near the positions on both sides of the upper surface of the mold base 2. The adjusting cylinder 3 is used to adjust the height of the stripping plate 5 to adapt to stamping parts of different heights, and the demoulding effect of the stamping parts is better during use. The surface of the adjusting cylinder 3 is movably sleeved with a first spring member 4, which is used to apply elastic force upward to restore the height of the stripping plate 5 during demoulding. After the height of the stripping plate 5 is restored, the stamping parts will be driven to rise to the height of the stripping plate 5. The surface of the adjusting cylinder 3 is located above the first spring member 4 and is movably sleeved with the stripping plate 5. The stripping plate 5 is located directly above the mold body. The adjusting cylinder 3 includes a fixed cylinder 6, and a telescopic rod 7 is movably arranged inside the fixed cylinder 6. The top of the telescopic rod 7 passes through the fixed cylinder 6 and extends to directly above the fixed cylinder 6. A positioning bolt 8 is arranged on the side of the fixed cylinder 6. The positioning bolt 8 is located at the outer end of the fixed cylinder 6 and a knob block is arranged to facilitate manual rotation of the knob block. The positioning bolt 8 is arranged on the side of the fixed cylinder 6 near the top. The telescopic rod 7 is arranged in a manner that increases the range of movement of the telescopic rod 7 inside the fixed tube 6. After adjustment, it is convenient to lock and position it through the positioning bolt 8. The positioning bolt 8 passes through the fixed tube 6 and fits on the surface of the telescopic rod 7 to position the telescopic rod 7. The surface of the telescopic rod 7 is fixedly sleeved with a positioning ring 9, and the lower surface of the positioning ring 9 fits on the top of the fixed tube 6. The first spring member 4 is movably sleeved on the surface of the telescopic rod 7 outside the fixed tube 6. The bottom end of the first spring member 4 moves on the upper surface of the positioning ring 9, and the top of the first spring member 4 moves and fits on the lower surface of the stripping template 5. During operation, the positioning bolt 8 is first loosened, and then the positioning bolt 8 is loosened, and the telescopic rod 7 can move up and down inside the fixed tube 6. After the telescopic rod 7 is adjusted to a suitable height, the positioning bolt 8 is rotated in the opposite direction to make it tightly squeezed on the surface of the telescopic rod 7 to position the telescopic rod 7 in the fixed tube 6. The adjustment of the telescopic rod 7 will drive the positioning ring 9 to move, and the movement of the positioning ring 9 will drive the height change of the stripping template 5 through the first spring member 4, so as to adjust the height of the stripping template 5.

[0023] Example 2

[0024] refer to Figure 1 , Figure 3 and Figure 4The adjusting cylinder 3 also includes a collar 10, which is designed as a circular ring. The inner wall diameter of the collar 10 matches the diameter of the telescopic rod 7. The collar 10 moves on the surface of the telescopic rod 7. The collar 10 moves on the upper surface of the stripping plate 5. The collar 10 is on the telescopic rod 7 and is located above the stripping plate 5. It is mainly used to limit the stripping plate 5. A positioning groove 11 is provided on the surface of the telescopic rod 7 away from the fixed mold body 1. The number of the positioning grooves 11 is greater than or equal to one, and the number of positioning grooves 11 greater than or equal to one is arranged vertically. On the surface of the telescopic rod 7, it is convenient to adjust the stripping template 5. A limiting groove 12 is provided on the inner wall of the collar 10. A clamping joint 13 is movably connected inside the limiting groove 12. The size of the clamping joint 13 matches the size of the positioning groove 11. One end of the clamping joint 13 extending out of the limiting groove 12 is clamped inside the positioning groove 11. A pull rod 14 is provided at the other end of the clamping joint 13. The pull rod 14 is used to adjust the position of the clamping joint 13. The other end of the pull rod 14 passes through the limiting groove 12 and the collar 10 and extends to the outside of the collar 10. The second spring member 15 is movably sleeved on the surface of the pull rod 14 located inside the limiting groove 12. The two ends of the second spring member 15 are respectively fitted on the surface of the clamping joint 13 and the inner wall of the limiting groove 12. When not in operation, the second spring member 15 will squeeze the clamping joint 13 to make it stably clamped in the positioning groove 11. When adjustment is required, the pull rod 14 is manually pulled to drive the clamping joint 13 to disengage from the positioning groove 11 through the pull rod 14, and then the height position of the ring 10 on the telescopic rod 7 can be moved up and down. When the ring 10 is moved downward, it will move downward. The stripping plate 5 is squeezed to reduce the height of the stripping plate 5 and squeeze the first spring member 4. Moving the collar 10 upwards will raise the stripping plate 5 and weaken the squeezing force of the first spring member 4. After the collar 10 is adjusted to the required height, the pull rod 14 is released. The clamping joint 13 is clamped into the positioning groove 11 by the elastic force of the second spring member 15 to position the height of the collar 10. After the height of the collar 10 is positioned, the highest position of the stripping plate 5 is limited, so that the height of the stripping plate 5 can be adjusted, and the restoring force of the first spring member 4 can be controlled conveniently.

[0025] Example 3

[0026] refer to Figure 1 and Figure 3The fixed mold body 1 is provided with a stamping groove 16, and a cooling cavity 17 is opened at a position near the stamping groove 16 inside the fixed mold body 1. The cooling cavity 17 is arranged near the stamping groove 16 and around the stamping groove 16, so that heat conduction is faster, and the coverage of the cooling cavity 17 is wider, and the heat conduction efficiency is higher. The two ends of the cooling cavity 17 pass through the fixed mold body 1 and are connected with the outside of the fixed mold body 1. The upper part of the fixed mold body 1 is respectively provided with a water inlet pipe 18 and a water outlet pipe 19 at the two ends of the cooling cavity 17, wherein a water pump 20 is arranged on the water outlet pipe 19, and the water pump 20 is used to drive the coolant inside the cooling cavity 17 and the coolant in the water tank 21 to circulate, and then the other end of the water inlet pipe 18 and the other end of the water pump 20 are provided with a water tank 21 for holding the coolant, and the water tank 21 is installed on the upper surface of the mold base 2, and the water tank 21 is provided with a ventilation through hole 22, which increases the contact area between the coolant inside the water tank 21 and the external air, enhances heat dissipation, and the water tank 21 is away from A cooling fan 23 is installed on one side of the fixed mold body 1. In order to further dissipate heat, a cooling fan 23 is set here. The cooling fan 23 mainly drives the air at this position to pass through the ventilation holes 22 on the water tank 21 at high speed to quickly dissipate the coolant inside the water tank 21. When in use, the cooling fan 23 and the water pump 20 are started. The water pump 20 pumps the water inside the water tank 21 and reaches the cooling chamber 17 along the water inlet pipe 18 to cool the stamping parts in the stamping groove 16. After the heat is introduced into the coolant, it is circulated to the water tank 21 through the water pump 20. Then the cooling fan 23 sucks air from one side of the water tank 21 and passes through the ventilation holes 22 to reach the cooling fan 23. Then the air is blown from the cooling fan 23 to the side close to the adjusting cylinder 3, so that the water tank 21 can be quickly cooled, which plays a role in the efficiency of quickly cooling the stamping parts in the stamping groove 16, greatly improving the demoulding efficiency, so that the hardness of the plastic parts is restored and not easy to deform during demoulding.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plastic part stamping device with a limit function, characterized in that: The invention comprises a fixed mold body (1) and a mold base (2), wherein the fixed mold body (1) is arranged on the top of the mold base (2), an adjusting cylinder (3) is arranged on the upper surface of the mold base (2) near the two sides, a first spring member (4) is movably sleeved on the surface of the adjusting cylinder (3), a stripping plate (5) is movably sleeved on the surface of the adjusting cylinder (3) located above the first spring member (4), and the stripping plate (5) is located directly above the mold body.

2. A plastic part punching device with a limiting function according to claim 1, characterized in that: The adjusting cylinder (3) comprises a fixed cylinder (6), a telescopic rod (7) is movably arranged inside the fixed cylinder (6), the top end of the telescopic rod (7) passes through the fixed cylinder (6) and extends to the top of the fixed cylinder (6), a positioning bolt (8) is arranged on the side of the fixed cylinder (6), the positioning bolt (8) passes through the fixed cylinder (6) and fits on the surface of the telescopic rod (7) to position the telescopic rod (7), a positioning ring (9) is fixedly sleeved on the surface of the telescopic rod (7), the lower surface of the positioning ring (9) fits on the top of the fixed cylinder (6), a first spring member (4) is movably sleeved on the surface of the telescopic rod (7) located outside the fixed cylinder (6), the bottom end of the first spring member (4) moves on the upper surface of the positioning ring (9), and the top end of the first spring member (4) moves on the lower surface of the stripping plate (5).

3. A plastic part punching device with a limiting function according to claim 2, characterized in that: The adjusting cylinder (3) further comprises a collar (10), the collar (10) being movable on the surface of the telescopic rod (7), the collar (10) being movable on the upper surface of the stripping plate (5), a positioning groove (11) being provided on the surface of the telescopic rod (7) away from the fixed mold body (1), a limiting groove (12) being provided on the inner wall of the collar (10), a clamping joint (13) being movably connected inside the limiting groove (12), and the clamping joint (13) extending out of the limiting groove (12) One end is clamped in the interior of the positioning groove (11), and the other end of the clamping joint (13) is provided with a pull rod (14). The other end of the pull rod (14) passes through the limiting groove (12) and the ring (10) and extends to the outside of the ring (10). A second spring member (15) is movably sleeved on the surface of the pull rod (14) located in the limiting groove (12), and the two ends of the second spring member (15) are respectively attached to the surface of the clamping joint (13) and the inner wall of the limiting groove (12).

4. A plastic part punching device with a limiting function according to claim 3, characterized in that: The number of the positioning grooves (11) is greater than or equal to one, and the number of positioning grooves (11) greater than or equal to one is vertically arranged on the surface of the telescopic rod (7).

5. A plastic part punching device with a limiting function according to claim 4, characterized in that: The fixed mold body (1) is provided with a stamping groove (16), and a cooling cavity (17) is provided inside the fixed mold body (1) near the stamping groove (16). The two ends of the cooling cavity (17) respectively pass through the fixed mold body (1) and are communicated with the outside of the fixed mold body (1). The upper part of the fixed mold body (1) is provided with a water inlet pipe (18) and a water outlet pipe (19) at the two ends of the cooling cavity (17), wherein a water pump (20) is provided on the water outlet pipe (19), and a water tank (21) is provided at the other end of the water inlet pipe (18) and the other end of the water pump (20), and the water tank (21) is installed on the upper surface of the mold base (2).

6. A plastic part punching device with a limiting function according to claim 5, characterized in that: The water tank (21) is provided with a ventilation hole (22), and a heat dissipation fan (23) is installed on the side of the water tank (21) away from the fixed mold body (1).

Images