Punching die for plastic products

Abstract

The utility model relates to the technical field of plastic production equipment, and discloses a plastic product punching die which comprises a bottom plate, connecting columns are fixedly connected to the positions, close to the four corners, of the upper end face of the bottom plate, a top plate is fixedly connected to the upper end faces of the connecting columns, and a telescopic rod is fixedly arranged in the center of the upper end face of the top plate. And the movable end of the telescopic rod penetrates through the top plate and is fixedly connected with a mounting plate, mounting grooves are formed in the two sides of the lower end face of the mounting plate correspondingly, driving motors are fixedly arranged in the two mounting grooves correspondingly, and the output ends of the two driving motors are fixedly connected with rotating rods correspondingly. According to the utility model, the drill bit can be ensured to achieve a better limiting effect during movement and rotation through the arranged stabilizing structure, so that the purpose of high-stability use is achieved, and meanwhile, the formed mold can be popped out through the arranged popping structure, so that the purpose of conveniently taking out the mold is achieved, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic production equipment, in particular to a plastic product punching die. Background Art

[0002] Stamping dies are special process equipment used to process materials (metal or non-metal) into parts (or semi-finished products) during cold stamping. Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to separate or plastically deform it, thereby obtaining the desired parts.

[0003] In daily production, due to the long-term drilling of plastic products, the drill bit may be partially offset due to the lack of a limiting structure during drilling, thereby reducing the drilling quality and efficiency. At the same time, after the drilling is completed, the existing device needs to be manually removed from the product, but the removal is laborious and inconvenient. Therefore, those skilled in the art provide a plastic product punching die to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the present utility model is to solve the shortcomings existing in the prior art, and a plastic product punching mold is proposed. The stable structure can ensure that the drill bit can achieve better limiting effect when moving and rotating, thereby achieving the purpose of high stability. At the same time, the pop-up structure can be set to pop out the mold after molding, so as to achieve the purpose of convenient removal and easy use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A plastic product punching mold comprises a bottom plate, the upper end surface of the bottom plate is fixedly connected with connecting columns near the four corners, the upper end surfaces of the plurality of connecting columns are fixedly connected with a top plate, a telescopic rod is fixedly arranged at the center of the upper end surface of the top plate, the movable end of the telescopic rod passes through the top plate and is fixedly connected with a mounting plate, both sides of the lower end surface of the mounting plate are provided with mounting grooves, the interiors of the two mounting grooves are fixedly provided with driving motors, the output ends of the two driving motors are fixedly connected with rotating rods, the lower ends of the two rotating rods are fixedly connected with drill bits, the outer walls of the two rotating rods are fixedly connected with annular clamping plates, both sides of the lower end surface of the mounting plate are provided with annular clamping grooves, the two annular clamping plates are respectively slidably arranged in the corresponding annular clamping grooves, the upper end surface of the bottom plate is fixedly connected with a positioning plate, the upper end surface of the positioning plate is provided with a placement groove, and the upper end surface of the placement groove is provided with drill holes near the four corners;

[0007] Reset grooves are provided on both sides of the upper end surface of the placement groove, and reset springs are fixedly connected to the inner walls of the lower ends of the two reset grooves, and pop-up columns are fixedly connected to the upper ends of the two reset springs. Active grooves are provided on the front and rear end surfaces of the two pop-up columns, and auxiliary springs are fixedly connected to the inner walls of the rear ends of the multiple active grooves, and the front ends of the multiple auxiliary springs are fixedly connected to locking rods. Active holes are provided on both sides of the front end surface of the positioning plate, and active rods are movably provided at the front and rear ends of the two active holes, and a push-pull plate is fixedly connected between the front ends of the two active rods located at the same end;

[0008] Through the above technical scheme, when in use, first place the plastic product in the placement groove, and drive the rotating rod to rotate by the driving motor, so as to achieve the purpose of rotating the drill bit, and the telescopic rod drives the mounting plate to move, and then drilling can be performed by changing the position of the drill bit, which is convenient to use. The sliding setting of the annular clamping plate in the annular clamping groove can achieve the purpose of high stability when the drill bit rotates, making drilling more efficient and convenient. After the drilling is completed, the push-pull plate is pushed to make the locking rod move into the movable groove under force, and the auxiliary spring contracts synchronously. The pop-up column is not restricted and extends out under the action of the reset spring, thereby achieving the purpose of ejecting the mold, making it more convenient to take. After use, the auxiliary spring is contracted again by pressing the locking rod, and the pop-up column is pressed so that the locking rod is locked in the movable hole, so that it can be used for a second time.

[0009] Furthermore, the middle parts of both sides of the mounting plate are fixedly connected with limit sliding rods, the two sides between the bottom plate and the top plate are fixedly connected with auxiliary plates, and the opposite sides of the two auxiliary plates are provided with limit sliding grooves, and the two limit sliding rods are slidably arranged in the corresponding limit sliding grooves respectively;

[0010] Through the above technical solution, a better limiting effect on the mounting plate can be achieved by sliding the limiting slide rod in the limiting slide groove.

[0011] Furthermore, the upper portions of the outer walls of both sides of the two pop-up columns are fixedly connected with limiting slide blocks, the upper portions of the inner walls of both sides of the two reset grooves are provided with limiting slide grooves, and the plurality of limiting slide blocks are respectively slidably arranged in the corresponding limiting slide grooves;

[0012] Through the above technical solution, by limiting the sliding setting of the slider in the limiting slide groove, a better limiting effect on the pop-up column can be achieved, thereby achieving the purpose of stable movement.

[0013] Furthermore, the middle parts of the lower end surfaces of the plurality of movable rods are fixedly connected with auxiliary sliding blocks, the lower end surfaces of the two movable holes are provided with auxiliary sliding grooves near the front and rear parts, and the plurality of auxiliary sliding blocks are slidably arranged in the corresponding auxiliary sliding grooves respectively;

[0014] Through the above technical solution, a better limiting effect on the movable rod can be achieved by sliding the auxiliary sliding block in the auxiliary sliding groove.

[0015] Furthermore, the reset groove and the movable hole are arranged in a continuous manner;

[0016] Through the above technical solution, better use effect can be achieved through the through-connection setting of the reset groove and the movable hole.

[0017] Furthermore, the return spring and the auxiliary spring are both made of carbon steel;

[0018] Through the above technical solution, the purpose of high-strength use can be achieved by using the return spring and the auxiliary spring made of carbon steel.

[0019] Furthermore, the plurality of engaging rods are respectively engaged and arranged in the corresponding movable holes;

[0020] Through the above technical solution, a better limiting effect can be achieved through the engagement of the engagement rod in the movable hole.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model proposes a punching die for plastic products. When in use, the plastic product is first placed in a placement groove, and the driving motor drives the rotating rod to rotate, so as to achieve the purpose of rotating the drill bit. The telescopic rod drives the mounting plate to move, and then the drill bit position can be changed to perform punching. The utility model is convenient to use, and the limiting slide bar can slide in the limiting slide groove to better limit the mounting plate. The annular clamping plate can slide in the annular clamping groove to achieve high stability when the drill bit rotates, making punching more efficient and convenient, and having better practicality and stability.

[0023] 2. The utility model proposes a plastic product punching mold. After the punching is completed, the push-pull plate is pushed so that the locking rod is forced to move into the movable groove, the auxiliary spring contracts synchronously, and the pop-up column is not restricted and extends under the action of the reset spring, thereby achieving the purpose of ejecting the mold and making it more convenient to take. After use, the locking rod is pressed to make the auxiliary spring contract again, and the pop-up column is pressed to make the locking rod lock in the movable hole, so that it can be used for a second time, which has better usability and convenience.

[0024] 3. The utility model proposes a plastic product punching mold, which can ensure that the drill bit can achieve better limiting effect when moving and rotating through the provision of a stable structure, thereby achieving the purpose of highly stable use. At the same time, the molded mold can be ejected through the provision of a pop-up structure, thereby achieving the purpose of convenient removal and easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an axonometric diagram of a plastic product punching die proposed by the utility model;

[0026] Figure 2 This is a front cross-sectional schematic diagram of a plastic product punching die proposed by the utility model;

[0027] Figure 3 for Figure 2 An enlarged schematic diagram of the structure at A;

[0028] Figure 4 for Figure 2 An enlarged schematic diagram of the structure at B;

[0029] Figure 5 It is a side cross-sectional schematic diagram of a positioning plate of a plastic product punching die proposed by the utility model;

[0030] Figure 6 for Figure 5 An enlarged schematic diagram of the structure at C;

[0031] Figure 7 The utility model is an axonometric schematic diagram of the connection between a rotating rod and an annular clamping plate of a plastic product punching die.

[0032] Legend:

[0033] 1. Bottom plate; 2. Connecting column; 3. Top plate; 4. Telescopic rod; 5. Mounting plate; 6. Mounting slot; 7. Driving motor; 8. Rotating rod; 9. Annular clamping plate; 10. Annular clamping slot; 11. Drill bit; 12. Limiting slide rod; 13. Auxiliary plate; 14. Limiting slide slot; 15. Positioning plate; 16. Drilling hole; 17. Placement slot; 18. Reset slot; 19. Reset spring; 20. Pop-up column; 21. Limiting slide; 22. Limiting slide slot; 23. Engaging rod; 24. Movable hole; 25. Movable rod; 26. Push-pull plate; 27. Auxiliary slide; 28. Auxiliary slide slot; 29. ​​Movable slot; 30. Auxiliary spring. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the specific implementation of the utility model to clearly and completely describe the technical solutions in the specific implementation of the utility model. Obviously, the specific implementation described is only a part of the specific implementation of the utility model, not all of the specific implementation. Based on the specific implementation of the utility model, all other specific implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-7 A specific implementation mode provided by the utility model is a plastic product punching mold, comprising a bottom plate 1, the upper end surface of the bottom plate 1 is fixedly connected with connecting columns 2 near the four corners, the upper end surfaces of the plurality of connecting columns 2 are fixedly connected with a top plate 3, a telescopic rod 4 is fixedly arranged at the center of the upper end surface of the top plate 3, the movable end of the telescopic rod 4 passes through the top plate 3 and is fixedly connected with a mounting plate 5, mounting grooves 6 are provided on both sides of the lower end surface of the mounting plate 5, driving motors 7 are fixedly arranged inside the two mounting grooves 6, rotating rods 8 are fixedly connected to the output ends of the two driving motors 7, drill bits 11 are fixedly connected to the lower ends of the two rotating rods 8, annular clamping plates 9 are fixedly connected to the outer walls of the two rotating rods 8, and the lower end of the mounting plate 5 Annular grooves 10 are provided on both sides of the surface, and two annular clamping plates 9 are slidably arranged in the corresponding annular grooves 10 respectively. A positioning plate 15 is fixedly connected to the upper end surface of the bottom plate 1, and a placement groove 17 is provided on the upper end surface of the positioning plate 15. Drill holes 16 are provided near the four corners of the upper end surface of the placement groove 17. Limiting slide bars 12 are fixedly connected to the middle of both sides of the mounting plate 5. Auxiliary plates 13 are fixedly connected on both sides between the bottom plate 1 and the top plate 3. Limiting slide grooves 14 are provided on opposite sides of the two auxiliary plates 13. Two limiting slide bars 12 are slidably arranged in the corresponding limiting slide grooves 14 respectively. The limiting slide bars 12 are slidably arranged in the limiting slide grooves 14, and the mounting plate 5 can be better limited by the sliding setting of the limiting slide bars 12 in the limiting slide grooves 14.

[0036] Reset grooves 18 are provided on both sides of the upper end surface of the placement groove 17, and reset springs 19 are fixedly connected to the lower end inner walls of the two reset grooves 18. Pop-up columns 20 are fixedly connected to the upper ends of the two reset springs 19. Limiting sliders 21 are fixedly connected to the upper parts of the outer walls of both sides of the two pop-up columns 20. Limiting slide grooves 22 are provided on the upper parts of the inner walls of both sides of the two reset grooves 18. Multiple limiting sliders 21 are respectively slidably arranged in the corresponding limiting slide grooves 22. By sliding the limiting sliders 21 in the limiting slide grooves 22, a better limiting effect on the pop-up columns 20 can be achieved, thereby achieving the purpose of stable movement. Active grooves 29 are provided on the front and rear end surfaces of the two pop-up columns 20, and auxiliary springs 30 are fixedly connected to the rear end inner walls of the multiple active grooves 29. The reset springs 19 and the auxiliary springs 30 are both made of carbon steel. By using the reset springs 19 and the auxiliary springs 30 made of carbon steel, the purpose of high-strength use can be achieved. The front ends of the two movable holes 24 are fixedly connected with the locking rods 23, and both sides of the front end surface of the positioning plate 15 are provided with movable holes 24, and the reset grooves 18 are connected with the movable holes 24. Through the connection between the reset grooves 18 and the movable holes 24, a better use effect can be achieved. The front and rear parts of the two movable holes 24 are movably provided with movable rods 25, and the middle parts of the lower end surfaces of the multiple movable rods 25 are fixedly connected with auxiliary sliders 27. The lower end surfaces of the two movable holes 24 are provided with auxiliary slide grooves 28 at the front and rear parts, and the multiple auxiliary sliders 27 are respectively slidably arranged in the corresponding auxiliary slide grooves 28. Through the sliding setting of the auxiliary sliders 27 in the auxiliary slide grooves 28, a better limiting effect on the movable rods 25 can be achieved. The multiple locking rods 23 are respectively locked in the corresponding movable holes 24, and the locking setting of the locking rods 23 in the movable holes 24 can achieve a better limiting effect. A push-pull plate 26 is fixedly connected between the front ends of the two movable rods 25 located at the same end.

[0037] Working principle: when in use, first place the plastic product in the placement groove 17, and drive the rotating rod 8 to rotate by the driving motor 7, so as to achieve the purpose of rotating the drill bit 11, and the telescopic rod 4 drives the mounting plate 5 to move, and then the drilling bit 11 can be punched by changing the position of the drilling bit 11, which is convenient to use. The sliding setting of the limiting slide bar 12 in the limiting slide groove 14 can achieve a better limiting effect on the mounting plate 5, and the sliding setting of the annular clamping plate 9 in the annular clamping groove 10 can achieve the purpose of high stability when the drilling bit 11 rotates, making the punching more efficient and convenient. After the punching is completed, the push-pull plate 26 is pushed, so that the clamping rod 23 is forced to move into the movable groove 29, and the auxiliary spring 30 is synchronously contracted, and the pop-up column 20 is not restricted and extends out under the action of the reset spring 19, so as to achieve the purpose of ejecting the mold, making it more convenient to take. After use, the auxiliary spring 30 is contracted again by pressing the clamping rod 23, and the pop-up column 20 is pressed so that the clamping rod 23 is clamped and set in the movable hole 24, so that it can be used for a second time.

[0038] Finally, it should be noted that the above is only a preferred specific implementation method of the present utility model and is not used to limit the present utility model. Although the present utility model is described in detail with reference to the aforementioned specific implementation methods, for those skilled in the art, they can still modify the technical solutions recorded in the aforementioned specific implementation methods, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A plastic product punching die, comprising a bottom plate (1), characterized in that: The upper end surface of the bottom plate (1) is fixedly connected to connecting columns (2) near the four corners, the upper end surfaces of the plurality of connecting columns (2) are fixedly connected to the top plate (3), a telescopic rod (4) is fixedly arranged at the center of the upper end surface of the top plate (3), the movable end of the telescopic rod (4) passes through the top plate (3) and is fixedly connected to the mounting plate (5), the lower end surface of the mounting plate (5) is provided with mounting grooves (6) on both sides, the insides of the two mounting grooves (6) are fixedly provided with driving motors (7), and the output ends of the two driving motors (7) are fixedly connected to the rotating rods (8) ), the lower ends of the two rotating rods (8) are fixedly connected with drill bits (11), the outer walls of the two rotating rods (8) are fixedly connected with annular clamping plates (9), both sides of the lower end surface of the mounting plate (5) are provided with annular clamping grooves (10), the two annular clamping plates (9) are respectively slidably arranged in the corresponding annular clamping grooves (10), the upper end surface of the bottom plate (1) is fixedly connected with a positioning plate (15), the upper end surface of the positioning plate (15) is provided with a placement groove (17), and the upper end surface of the placement groove (17) is provided with drill holes (16) near the four corners; Reset grooves (18) are provided on both sides of the upper end surface of the placement groove (17); the lower end inner walls of the two reset grooves (18) are fixedly connected with reset springs (19); the upper ends of the two reset springs (19) are fixedly connected with pop-up columns (20); the front and rear end surfaces of the two pop-up columns (20) are provided with movable grooves (29); the rear end inner walls of the plurality of movable grooves (29) are fixedly connected with auxiliary springs (30); the front ends of the plurality of auxiliary springs (30) are fixedly connected with locking rods (23); movable holes (24) are provided on both sides of the front end surface of the positioning plate (15); movable rods (25) are movably provided at the front and rear ends of the two movable holes (24); and a push-pull plate (26) is fixedly connected between the front ends of the two movable rods (25) located at the same end.

2. A plastic product punching die according to claim 1, characterized in that: The middle parts of both sides of the mounting plate (5) are fixedly connected to limit slide bars (12), and auxiliary plates (13) are fixedly connected to both sides between the bottom plate (1) and the top plate (3). The two auxiliary plates (13) are provided with limit slide grooves (14) on opposite sides, and the two limit slide bars (12) are respectively slidably arranged in the corresponding limit slide grooves (14).

3. A plastic product punching die according to claim 1, characterized in that: The upper portions of the outer walls on both sides of the two pop-up columns (20) are fixedly connected with limiting slide blocks (21), the upper portions of the inner walls on both sides of the two reset grooves (18) are provided with limiting slide grooves (22), and the plurality of limiting slide blocks (21) are respectively slidably arranged in the corresponding limiting slide grooves (22).

4. A plastic product punching die according to claim 1, characterized in that: An auxiliary sliding block (27) is fixedly connected to the middle of the lower end surface of the plurality of movable rods (25), and an auxiliary sliding groove (28) is provided at the front and rear parts of the lower end surfaces of the two movable holes (24), and the plurality of auxiliary sliding blocks (27) are respectively slidably arranged in the corresponding auxiliary sliding grooves (28).

5. A plastic product punching die according to claim 1, characterized in that: The reset groove (18) and the movable hole (24) are arranged to be connected.

6. A plastic product punching die according to claim 1, characterized in that: The return spring (19) and the auxiliary spring (30) are both made of carbon steel.

7. A plastic product punching die according to claim 1, characterized in that: The plurality of engaging rods (23) are respectively engaged and arranged in corresponding movable holes (24).

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