Stamping device for automobile door lock production

Abstract

The utility model discloses a stamping device for automobile door lock production, which relates to the technical field of stamping devices and comprises a base, one side of the base is fixedly connected with a fixing frame, the top end of the fixing frame is fixedly connected with a first air cylinder, and the output end of the first air cylinder is fixedly connected with an upper die. By the adoption of the structure, when the first air cylinder drives the upper die to punch an automobile door lock in the lower die, the pressing plate drives the transmission mechanism to work, the transmission mechanism drives the two material pushing rods to move in the lower die, and after the upper die and the lower die are completely closed to complete punching work, when the first air cylinder drives the upper die to move upwards, the pressing plate drives the transmission mechanism to move upwards. At the moment, the material pushing rod is used for driving the automobile door lock in the lower mold to move to complete demolding, damage to the mold in the pushing-out process can be greatly reduced, therefore, guarantee is provided for the mold forming quality, the purchase cost can be saved without adopting an air cylinder, and long-term maintenance, energy consumption and potential fault repair cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stamping device technical field, especially relate to a stamping device for automobile door lock production. BACKGROUND

[0002] The stamping device is the equipment that utilizes die to carry out cold stamping processing to sheet metal, the stamping of die makes sheet metal occur plastic deformation, thereby obtains the part of required shape and size, in the production of automobile door lock, stamping device is mainly used for the forming processing of door lock parts, such as the manufacture of lock seat, lock catch and other components.

[0003] For example, the Chinese patent with the announcement number CN216369824U discloses a mold for automobile door lock production, including fixed die holder and movable die holder, the movable die holder is arranged on the top of fixed die holder, the top of fixed die holder is provided with first die setting groove, the inside of first die setting groove is provided with lower die core, the outside of lower die core is fixedly connected with clamping block and handle, the side wall of first die setting groove is provided with clamping groove and storage groove, the clamping block is connected with clamping groove, the handle is arranged in the inside of storage groove, the top of fixed die holder is provided with limiting mechanism, the limiting mechanism includes limiting ring.

[0004] Although the above-mentioned patent solves the problem that the upper and lower dies are inconvenient to replace individually after wear and the maintenance cost of the mold is high, the existing production mold still has some defects that need to be improved. Specifically, after the stamping operation of the automobile door lock is completed, the traditional method usually relies on the cylinder installed at the bottom of the mold to drive the push block, and then the mold is pushed out from the working position. However, in this process, the force exerted by the cylinder is often difficult to accurately control, and any carelessness may cause unnecessary damage to the mold, affecting the service life of the mold and the final quality of the product. In addition, the introduction of the cylinder not only increases the complexity and difficulty of operation of the equipment, but also brings additional use cost. UTILITY MODEL CONTENTS

[0005] In view of the problems mentioned in the background art, the purpose of the utility model is to provide a stamping device for automobile door lock production to solve the problems mentioned in the background art.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A stamping device for automobile door lock production, comprising a base, a fixed frame is fixedly connected to one side of the base, a first cylinder is fixedly connected to the top end of the fixed frame, an upper die is fixedly connected to the output end of the first cylinder, a lower die matched with the upper die is arranged on the base, a through hole is formed in the inside of the lower die, a push rod is slidably connected to the inside of the through hole, a transmission mechanism is arranged on one side of the push rod, and a pressing plate is arranged on both sides of the upper die.

[0008] As a preferred technical solution, the transmission mechanism comprises a transmission rod, the transmission rod is slidingly connected to the base, a bottom end of the transmission rod is fixedly connected with a transmission plate, a bottom end of the pushing rod is fixedly connected with a top end of the transmission plate, springs are fixedly connected between the transmission plate and the base, and the springs are provided with a plurality of springs.

[0009] As a preferred technical solution, the bottom end of the transmission plate is fixedly connected with a metal block, the inside of the base is fixedly connected with an electromagnet, and the electromagnet is magnetically connected with the metal block.

[0010] As a preferred technical solution, the inside of the base is provided with guide grooves on both sides, and one side of the transmission plate is slidingly connected with the guide grooves.

[0011] As a preferred technical solution, a limiting groove is formed in one side of the through hole, a limiting block is movably connected in the limiting groove, and the limiting block is fixedly connected to the transmission rod.

[0012] As a preferred technical solution, the bottom end of the pressing plate is fixedly connected with a connecting sleeve, and the connecting sleeve is movably connected with one side of the transmission rod.

[0013] As a preferred technical solution, a second air cylinder is fixedly connected to the base, an output end of the second air cylinder is fixedly connected with a pushing block, the pushing block is located on one side of the lower die, and one side of the base is fixedly connected with a collecting box.

[0014] In summary, the utility model mainly has the following beneficial effects:

[0015] First, the first air cylinder drives the upper die to stamp the automobile door lock in the lower die, the pressing plate drives the transmission mechanism to work, the transmission mechanism drives the two pushing rods to move in the lower die, after the upper die and the lower die are completely closed and the stamping work is completed, when the first air cylinder drives the upper die to move upwards, the pushing rod drives the automobile door lock in the lower die to move to complete demolding, which can greatly reduce the damage of the mold in the pushing process, thereby providing protection for the mold forming quality, and the use of the air cylinder can save the purchase cost, and can also reduce the long-term maintenance, energy consumption and potential repair cost;

[0016] Second, the utility model is provided with a transmission mechanism, when the transmission plate moves downwards to the maximum distance by extruding the spring, the electromagnet can attract the metal block, the upward movement of the transmission plate under the action of the spring force is reduced, and the automobile door lock in the lower die is pushed upwards by the pushing rod driven by the transmission plate before the stamping work is completed, so that the stamping work of the automobile door lock is ensured to be smoothly carried out. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the utility model.

[0018] Figure 2 is the internal structure diagram of the base of the utility model;

[0019] Figure 3 is the overhead structure schematic view of the utility model;

[0020] Figure 4 is the A place enlarged structure schematic view of the utility model. Figure 2

[0021] Reference signs: 1, base; 2, fixed frame; 3, first cylinder; 4, upper die; 5, lower die; 6, through hole; 7, push rod; 8, transmission mechanism; 81, transmission rod; 82, transmission plate; 83, spring; 84, electromagnet; 85, metal block; 9, guide slot; 10, limiting groove; 11, limiting block; 12, pressing plate; 13, adapter sleeve; 14, second cylinder; 15, push block; 16, collection box. Specific implementation Embodiment

[0022] Reference Figures 1 to 4 , the punch device for automobile door lock production described in the embodiment, including base 1, one side of base 1 is fixedly connected with fixed frame 2, the top of fixed frame 2 is fixedly connected with first cylinder 3, the output end of first cylinder 3 is fixedly connected with upper die 4, lower die 5 matched with upper die 4 is arranged on base 1, through hole 6 is formed in the inside of lower die 5, push rod 7 is slidably connected in the inside of through hole 6, transmission mechanism 8 is arranged on one side of push rod 7, pressing plate 12 is arranged on both sides of upper die 4, both sides of the top of upper die 4 are installed with slide bar, the function of slide bar can guarantee that upper die 4 moves stably, and precisely and stably contacts lower die 5, pressing plate 12 is installed on slide bar, and can drive transmission mechanism 8 below, by the above improvement, the damage of die in the process of pushing out is reduced, thereby providing guarantee for die forming quality, and the purchase cost can be saved without using cylinder, and long-term maintenance, energy consumption and potential fault repair cost can be reduced.

[0023] Reference Figure 2 ​The transmission mechanism 8 comprises a transmission rod 81 which is slidingly connected to the base 1, a bottom end of the transmission rod 81 is fixedly connected with a transmission plate 82, a bottom end of the pushing rod 7 is fixedly connected with a top end of the transmission plate 82, a plurality of springs 83 are fixedly connected between the transmission plate 82 and the base 1, and the springs 83 are provided in plurality. Through the transmission mechanism 8, when the transmission rod 81 is stressed, the transmission rod 81 drives the transmission plate 82 to move downwards, so that the transmission plate 82 drives the pushing rod 7 to move downwards and away from the lower die 5, and meanwhile, the plurality of springs 83 connected with the transmission plate 82 are stressed and deformed. After the stamping work is completed, the transmission rod 81 is no longer stressed, at this time, the plurality of springs 83 at the bottom of the transmission plate 82 restore the deformation, so that the transmission plate 82 drives the pushing rod 7 to move in the lower die 5, and the automobile door lock inside the lower die 5 is slowly pushed out, so that the rapid demolding work can be completed without waiting, and the demolding efficiency is improved.

[0024] With reference to Figure 2 A metal block 85 is fixedly connected to the bottom end of the transmission plate 82, an electromagnet 84 is fixedly connected inside the base 1, and the electromagnet 84 is magnetically connected with the metal block 85. Through the metal block 85 and the electromagnet 84, the electromagnet 84 can attract the metal block 85, so that the transmission plate 82 is stressed downwards and the pushing rod 7 is prevented from being slightly moved under stress to affect the closing of the upper die 4 and the lower die 5.

[0025] With reference to Figure 4 Both sides of the inside of the base 1 are provided with a guide groove 9, and one side of the transmission plate 82 is slidingly connected with the guide groove 9. Through the guide groove 9, the transmission plate 82 is stably moved, so that the plurality of springs 83 are deformed, and the transmission plate 82 is prevented from being deviated, thereby ensuring the stable movement of the pushing rod 7.

[0026] With reference to Figure 1 A limiting groove 10 is formed in one side of the through hole 6, a limiting block 11 is movably connected inside the limiting groove 10, and the limiting block 11 is fixedly connected to the transmission rod 81. Through the limiting groove 10 and the limiting block 11, the movement position of the pushing rod 7 in the lower die 5 is limited, so that the pushing rod 7 is prevented from moving downwards too deeply and being separated from the lower die 5, thereby facilitating the pushing work of the pushing rod 7.

[0027] With reference to Figure 2 A connecting sleeve 13 is fixedly connected to the bottom end of the pressing plate 12, and the connecting sleeve 13 is movably connected with one side of the transmission rod 81. Through the connecting sleeve 13, the transmission of the pressing plate 12 and the transmission rod 81 is better, and the pressing plate 12 stably drives the transmission rod 81 to move under stress.

[0028] With reference to Figure 1The base 1 is fixedly connected with a second cylinder 14, the output end of the second cylinder 14 is fixedly connected with a pushing block 15, the pushing block 15 is located at one side of the lower mold 5, and one side of the base 1 is fixedly connected with a collecting box 16. The second cylinder 14 is arranged, the pushing block 15 is driven to move by the second cylinder 14, the automobile door lock in the lower mold 5 can be pushed out, the automobile door lock is pushed into the collecting box 16 for collection, the automation degree of the device is improved, and the burden of workers is reduced.

[0029] Principle and advantages: the automobile door lock mold is placed above the lower mold 5, the upper mold 4 is driven to move downwards by the first cylinder 3, the automobile door lock in the lower mold 5 is stamped by the upper mold 4, during the stamping process, the connecting sleeve 13 below the pressing plate 12 moves downwards, when the connecting sleeve 13 contacts the transmission rod 81, the transmission rod 81 moves downwards under the thrust of the pressing plate 12, the transmission rod 81 drives the transmission plate 82 to move, the transmission plate 82 drives the pushing rod 7 to move downwards and away from the lower mold 5, at the same time, the plurality of springs 83 connected with the transmission plate 82 are deformed under stress, when the metal block 85 below the transmission plate 82 contacts the electromagnet 84, the electromagnet 84 adsorbs the metal block 85, the transmission plate 82 is subjected to downward force, the upward movement of the transmission plate 82 under the elastic force of the spring 83 is reduced, the automobile door lock in the lower mold 5 is prevented from being pushed upwards by the pushing rod 7 driven by the transmission plate 82 before the stamping work is completed, and the stamping work of the automobile door lock is ensured to be carried out smoothly, after the stamping work is completed, the connecting sleeve 13 slowly leaves the transmission rod 81, the transmission rod 81 is no longer subjected to pressure, at this time, the plurality of springs 83 at the bottom of the transmission plate 82 restore deformation, the transmission plate 82 drives the pushing rod 7 to move in the lower mold 5, the automobile door lock in the lower mold 5 is slowly pushed out, and the rapid demolding work can be completed without waiting, the demolding efficiency is improved, the damage of the mold during the pushing process is reduced, and the mold forming quality is ensured, without using the cylinder, the purchase cost can be saved, long-term maintenance, energy consumption and potential repair costs can be reduced.

Claims

1. A stamping device for producing automotive door locks, comprising a base (1), characterized in that: A fixed frame (2) is fixedly connected to one side of the base (1), and a first cylinder (3) is fixedly connected to the top of the fixed frame (2). An upper mold (4) is fixedly connected to the output end of the first cylinder (3). A lower mold (5) matching the upper mold (4) is provided on the base (1). A through hole (6) is opened inside the lower mold (5). A push rod (7) is slidably connected inside the through hole (6). A transmission mechanism (8) is provided on one side of the push rod (7). Pressing plates (12) are provided on both sides of the upper mold (4).

2. The stamping device for producing automotive door locks according to claim 1, characterized in that: The transmission mechanism (8) includes a transmission rod (81), which is slidably connected to the base (1). The bottom end of the transmission rod (81) is fixedly connected to a transmission plate (82). The bottom end of the push rod (7) is fixedly connected to the top end of the transmission plate (82). A spring (83) is fixedly connected between the transmission plate (82) and the base (1), and multiple springs (83) are provided.

3. The stamping device for producing automotive door locks according to claim 2, characterized in that: A metal block (85) is fixedly connected to the bottom of the transmission plate (82), and an electromagnet (84) is fixedly connected inside the base (1). The electromagnet (84) is magnetically connected to the metal block (85).

4. The stamping device for producing automotive door locks according to claim 2, characterized in that: The base (1) has guide grooves (9) on both sides inside, and one side of the transmission plate (82) is slidably connected to the guide grooves (9).

5. The stamping device for producing automotive door locks according to claim 1, characterized in that: A limiting groove (10) is provided on one side of the through hole (6), and a limiting block (11) is movably connected inside the limiting groove (10). The limiting block (11) is fixedly connected to the transmission rod (81).

6. The stamping device for producing automotive door locks according to claim 1, characterized in that: The bottom end of the pressing plate (12) is fixedly connected to a connecting sleeve (13), and the connecting sleeve (13) is movably connected to one side of the transmission rod (81).

7. The stamping device for producing automotive door locks according to claim 1, characterized in that: A second cylinder (14) is fixedly connected to the base (1), and a pusher block (15) is fixedly connected to the output end of the second cylinder (14). The pusher block (15) is located on one side of the lower mold (5), and a collection box (16) is fixedly connected to one side of the base (1).

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