Plastic product punching device with limiting function

Abstract

The utility model discloses a kind of plastic product stamping device with limiting function, it is related to stamping equipment technical field, the plastic product stamping device with limiting function, including equipment frame, the inner wall top of equipment frame is fixedly installed with electric cylinder, the output end of electric cylinder is fixedly installed with stamping plate, the lower fixed mounting of stamping plate is with upper die, the inner wall bottom of equipment frame is fixedly installed with lower die, still including limiting device and centering device;Among them, the limiting device includes lifting rod, fixed plate, limiting plate, fixed block, connecting rod and U-shaped plate, the plastic product stamping device with limiting function can effectively limit and fix different sizes of raw materials, improve the applicability and work efficiency of equipment, and under the action of No. 1 spring, realize the repeated use of automatic limiting, without additional operation by staff, further improve the stamping efficiency of equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping equipment technical field, concretely is a kind of plastic product stamping device with limiting function. BACKGROUND

[0002] Plastic product stamping device with limiting function, it is usually used in the production process of plastic product, plastic raw material (such as plastic sheet, plastic film etc.) is formed under pressure by stamping die, the device has accurate positioning and limiting function, ensure the accurate cooperation and stable operation of each component in production process.

[0003] The patent with publication number CN221187489U relates to a plastic product stamping device with limiting function, comprising a machine body, a machining groove is formed on the front top of the machine body, sliding grooves are formed on the left and right sides of the bottom of the inner cavity of the machining groove, springs are fixedly installed on one side of the machine body facing the middle part of the sliding grooves, sliding blocks are fixedly installed on the other side of the springs, clamping plates are fixedly installed on the top of the sliding blocks; the plastic product stamping device with limiting function cooperates the use of the clamping plate structure and the sliding block structure, and when working, the left and right sliding block machines are moved to the left and right respectively by pulling the handle and connecting the rope, at this time, the machining groove inner cavity bottom position is opened, which is convenient for different shape and size workpieces to be put in, then the handle is loosened, the sliding block and its top clamping plate structure are automatically reset and clamped on both sides of the workpiece under the action of the spring force, and the effect of effectively limiting and fixing different shape and size stamping workpieces is achieved.

[0004] In the above-mentioned patent, it is convenient for different shape and size workpieces to be put in, then the handle is loosened, the sliding block and its top clamping plate structure are automatically reset and clamped on both sides of the workpiece under the action of the spring force, and the effect of effectively limiting and fixing different shape and size stamping workpieces is achieved, but manual pulling is required during the limiting process of the raw material, which may cause the clamping force of different raw materials to be too loose due to insufficient force, thereby affecting the subsequent stamping effect, therefore, a plastic product stamping device with better limiting function is designed. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model provides a plastic product stamping device with limiting function, which solves the problems raised in the above background art.

[0006] In order to achieve the above object, the utility model discloses a kind of plastic product stamping device with limiting function, including equipment frame, the inner wall top of equipment frame is fixedly installed with electric cylinder, the output end of electric cylinder is fixedly installed with stamping plate, the lower fixed installation of stamping plate is with upper die, the inner wall bottom of equipment frame is fixedly installed with lower die, further including limiting device and centering device;Wherein, the limiting device includes lifting rod, fixed plate, limiting plate, fixed block, connecting rod and U-shaped plate, stamping plate moves down and drives upper die to move down, in this process, when stamping plate moves down, it will contact and extrude fixed plate to move down, fixed plate moves down and drives the end of connecting rod to move down, the surface of lower die is provided with chute, the lifting rod is slidably installed in the inside of chute, the fixed plate is fixedly installed above lifting rod, the limiting plate is slidably installed at the top of lower die, the fixed block is fixedly installed at the side of limiting plate close to lifting rod, the connecting rod is rotatably installed in the inside of fixed block, the U-shaped plate is slidably installed on the surface of limiting plate.

[0007] Preferably, the limiting device is provided with two, and the two limiting devices are symmetrically distributed with the lower die as the center.

[0008] Preferably, the end of the connecting rod away from the fixed block is rotatably connected with the fixed plate, and the surface of the lower die is provided with a stamping groove.

[0009] Preferably, a first spring is arranged on the lifting rod, and a second spring is arranged between the U-shaped plate and the limiting plate.

[0010] Preferably, the centering device includes a fixed rod, a connecting rod, a centering plate, and an accommodating block. When the U-shaped plate moves towards the lifting rod, the fixed rod moves, the movement of the fixed rod drives the end of the connecting rod to move towards the lifting rod, and the movement of the end of the connecting rod drives the accommodating block to move towards the limiting plate through the other end. The fixed rod is fixedly installed above the U-shaped plate, the connecting rod is rotatably installed on the circumferential surface of the fixed rod, the centering plate is slidably installed on the side of the limiting plate away from the lifting rod, and the accommodating block is fixedly installed on the right side of the centering plate.

[0011] Preferably, the end of the connecting rod away from the fixed rod is rotatably connected with the accommodating block.

[0012] Preferably, the centering device is provided with two, and the two centering devices are symmetrically distributed with the limiting plate as the center.

[0013] The utility model provides a kind of plastic product stamping device with limiting function. It has the following beneficial effects: (1) The plastic product stamping device with limiting function, through the stamping plate drives the fixed plate and the lifting rod to move, and drives the limiting plate and the U-shaped plate to move under the action of the connecting rod and the fixed block, realizes the limiting of the raw material, and realizes the effective limiting and fixing of raw materials of different sizes through the second spring, improves the applicability and working efficiency of the equipment, and realizes the repeated use of automatic limiting under the action of the first spring, without the need for additional operation of the staff, further improves the stamping efficiency of the equipment.

[0014] (2) The plastic product stamping device with limiting function, the U-shaped plate moves through the fixed rod and the connecting rod to drive the bearing to move, the bearing block moves to drive the centering plate to move and center the raw material, avoids affecting the stamping quality due to the uncentered position of the raw material during stamping, and improves the production quality of the finished product. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model; Figure 2 It is a lower die and fixed plate position structure schematic view of the utility model; Figure 3 It is a limiting plate and centering plate position structure schematic view of the utility model; Figure 4 It is a limiting plate and U-shaped plate position structure schematic view of the utility model.

[0016] In the drawing: 1, equipment frame; 2, electric cylinder; 3, stamping plate; 4, upper die; 5, lower die; 61, lifting rod; 62, fixed plate; 63, limiting plate; 64, fixed block; 65, connecting rod; 66, U-shaped plate; 67, sliding groove; 68, stamping groove; 69, first spring; 610, second spring; 71, fixed rod; 72, connecting rod; 73, centering plate; 74, bearing block. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Please refer to Figures 1-4The utility model discloses an embodiment is: a kind of plastic product punch press device with limiting function, including equipment frame 1, the inner wall top of equipment frame 1 is fixedly installed with electric cylinder 2, the output end of electric cylinder 2 is fixedly installed with punch plate 3, the lower side of punch plate 3 is fixedly installed with upper die 4, the inner wall bottom of equipment frame 1 is fixedly installed with lower die 5, still include limiting device and centering device;Wherein, limiting device includes lifting rod 61, fixed plate 62, limiting plate 63, fixed block 64, connecting rod 65 and U-shaped plate 66, punch plate 3 is moved downward and drives upper die 4 to move downward, the surface of lower die 5 is provided with chute 67, lifting rod 61 is slidably installed in the inside of chute 67, fixed plate 62 is fixedly installed in the top of lifting rod 61, limiting plate 63 is slidably installed in the top of lower die 5, fixed block 64 is fixedly installed in the side of limiting plate 63 close to lifting rod 61, connecting rod 65 is rotatably installed in the inside of fixed block 64, U-shaped plate 66 is slidably installed on the surface of limiting plate 63, U-shaped plate 66 moves and stretches No.

[0019] Limiting device is provided with two, two limiting devices are symmetrically distributed with lower die 5 as center.

[0020] The end of connecting rod 65 away from fixed block 64 is rotatably connected with fixed plate 62, and the surface of lower die 5 is provided with a punch groove 68.

[0021] A spring 69 is arranged on the lifting rod 61, and the spring 69 can drive the fixed plate 62 to reset. A second spring 610 is arranged between the U-shaped plate 66 and the limiting plate 63, and the second spring 610 can drive the U-shaped plate 66 to reset.

[0022] The centering device includes a fixed rod 71, a connecting rod 72, a centering plate 73, and a receiving block 74. When the U-shaped plate 66 moves towards the lifting rod 61, the fixed rod 71 moves, the fixed rod 71 drives one end of the connecting rod 72 to move towards the lifting rod 61, the fixed rod 71 is fixedly installed above the U-shaped plate 66, the connecting rod 72 is rotatably installed on the circumferential surface of the fixed rod 71, the centering plate 73 is slidably installed on the side of the limiting plate 63 away from the lifting rod 61, the receiving block 74 is fixedly installed on the right side of the centering plate 73, and the centering plate 73 moves to contact and drive the raw material to be centered. The centering device avoids affecting the punching quality due to the uncentered position of the raw material during the punching process, and improves the production quality of the finished product.

[0023] The end of the connecting rod 72 away from the fixed rod 71 is rotatably connected with the receiving block 74.

[0024] The centering device is provided with two, and the two centering devices are symmetrically distributed with the limiting plate 63 as the center.

[0025] When the embodiment works: the raw materials are placed in the inside of the punching groove 68, then the electric cylinder 2 is started, the output end of the electric cylinder 2 moves downwards to drive the punching plate 3 to move downwards, the punching plate 3 moves downwards to drive the upper die 4 to move downwards, in the process, the punching plate 3 moves downwards to contact and extrude the fixed plate 62 to move downwards, the fixed plate 62 moves downwards to drive one end of the connecting rod 65 to move downwards, one end of the connecting rod 65 moves downwards to drive the fixed block 64 to move away from the lifting rod 61 through the other end, the fixed block 64 moves to drive the limiting plate 63 to move, the limiting plate 63 moves to drive the U-shaped plate 66 to move, the U-shaped plate 66 moves to contact and push the raw materials to move to the center of the punching groove 68 and be limited, when the raw materials are limited, the U-shaped plate 66 moves to the direction close to the lifting rod 61 under the action of the raw materials, the U-shaped plate 66 moves to stretch the second spring 610, and the U-shaped plate 66 can effectively limit and fix the raw materials of different sizes, improve the applicability and working efficiency of the equipment, and when the fixed plate 62 moves downwards, the lifting rod 61 moves downwards, at this time, the first spring 69 is compressed, when the punching is finished, the fixed plate 62 and the lifting rod 61 are reset under the action of the compressed first spring 69, thereby realizing the repeated use of automatic limiting, without additional operation of the staff, and further improving the punching efficiency of the equipment.

[0026] When the U-shaped plate 66 moves to the direction close to the lifting rod 61, the fixed rod 71 moves, the fixed rod 71 moves to drive one end of the connecting rod 72 to move to the direction close to the lifting rod 61, one end of the connecting rod 72 moves to drive the bearing block 74 to move to the direction close to the limiting plate 63 through the other end, the bearing block 74 moves to the direction close to the limiting plate 63 to drive the centering plate 73 to move to the direction close to the center of the limiting plate 63, the centering plate 73 moves to contact and drive the raw materials to be centered, avoiding that the punching quality is affected due to the uncentered position of the raw materials in the process of punching, and improving the production quality of the finished products.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and spirits of the utility model, the range of the utility model is defined by the appended claims and its equivalents.

Claims

1. A plastic product stamping device with a limiting function, comprising a device frame (1), wherein an electric cylinder (2) is fixedly installed on the top of the inner wall of the device frame (1), a stamping plate (3) is fixedly installed on the output end of the electric cylinder (2), an upper mold (4) is fixedly installed below the stamping plate (3), and a lower mold (5) is fixedly installed on the bottom of the inner wall of the device frame (1), characterized in that, It also includes a limiting device and a centering device; The limiting device includes a lifting rod (61), a fixing plate (62), a limiting plate (63), a fixing block (64), a connecting rod (65), and a U-shaped plate (66). The surface of the lower mold (5) is provided with a sliding groove (67). The lifting rod (61) is slidably installed inside the sliding groove (67). The fixing plate (62) is fixedly installed above the lifting rod (61). The limiting plate (63) is slidably installed on the top of the lower mold (5). The fixing block (64) is fixedly installed on the side of the limiting plate (63) near the lifting rod (61). The connecting rod (65) is rotatably installed inside the fixing block (64). The U-shaped plate (66) is slidably installed on the surface of the limiting plate (63).

2. The plastic product stamping device with limiting function according to claim 1, characterized in that: There are two limiting devices, and the two limiting devices are symmetrically distributed around the mold (5).

3. A plastic product stamping device with a limiting function according to claim 2, characterized in that: The end of the connecting rod (65) away from the fixed block (64) is rotatably connected to the fixed plate (62), and the surface of the lower mold (5) is provided with a stamping groove (68).

4. A plastic product stamping device with a limiting function according to claim 3, characterized in that: A first spring (69) is provided on the lifting rod (61), and a second spring (610) is provided between the U-shaped plate (66) and the limiting plate (63).

5. A plastic product stamping device with a limiting function according to claim 4, characterized in that: The centering device includes a fixed rod (71), a connecting rod (72), a centering plate (73), and a receiving block (74). The fixed rod (71) is fixedly installed above the U-shaped plate (66). The connecting rod (72) is rotatably installed on the circumferential surface of the fixed rod (71). The centering plate (73) is slidably installed on the side of the limiting plate (63) away from the lifting rod (61). The receiving block (74) is fixedly installed on the right side of the centering plate (73).

6. A plastic product stamping device with a limiting function according to claim 5, characterized in that: The end of the connecting rod (72) away from the fixed rod (71) is rotatably connected to the receiving block (74).

7. A plastic product stamping device with a limiting function according to claim 6, characterized in that: Two centering devices are provided, and the two centering devices are symmetrically distributed with the limiting plate (63) as the center.

Images