A hole cutting machine for automotive small connectors

CN224600316UActive Publication Date: 2026-08-07HEBEI JINCHUANG PRECISION MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEBEI JINCHUANG PRECISION MACHINERY CO LTD
Filing Date
2025-09-12
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0003]由于汽车门锁扣是通过螺栓进行连接的,在其两侧会加工螺栓孔位,而目前的汽车门锁扣加工的方式为,一般通过冲压机实现对汽车门锁扣的开孔作业,由于汽车门锁扣上的孔位大多为两个,这就需要对其一边开孔加工之后,更换汽车门锁扣的位置,对另一边实现再次的开孔加工,导致对汽车门锁扣开孔加工的效率较低

Benefits of technology

该用于汽车小型连接件的开孔机,采用的液压机带动开孔模块进行升降运动,能够利用开孔模块的双冲头,实现对门锁扣的两侧同时开孔作业,提高了对门锁扣开孔加工的效率;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of hole cutting machines for automobile small connecting piece, belong to automobile small connecting piece processing technical field, including cabinet, the top of the cabinet is fixedly installed with fixed clamping seat by bolt, the inside of fixed clamping seat is placed with door lock catch, the top of cabinet is provided with the lifting assembly of up-and-down motion, lifting assembly is used to limit the front side of door lock catch;The top of the rear side of cabinet is provided with mounting bracket, the top of mounting bracket is provided with hydraulic press, the bottom of hydraulic press is installed with hole cutting module, hole cutting module is used to the both sides of door lock catch simultaneously hole cutting processing;The inside of cabinet is provided with blanking drawer below door lock catch, blanking drawer is used to the waste collection generated by hole cutting. Adopted hydraulic press drives hole cutting module to lift and move, can utilize the double punch of hole cutting module, realize the both sides of door lock catch simultaneously hole cutting operation, improve the efficiency of door lock catch hole cutting processing.
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Description

Technical Field

[0001] This utility model belongs to the field of automotive small connector processing technology, specifically relating to a hole-drilling machine for automotive small connectors. Background Technology

[0002] Small automotive connectors are a general term for small parts used in automobiles, such as door latches. They are fixed to the door edge with bolts and work with the car lock to open and close the door. Generally, car door latches are made of aluminum alloy.

[0003] Since car door lock latches are connected by bolts, bolt holes are machined on both sides. Currently, the processing method for car door lock latches is to use a stamping machine to make the holes. Since most car door lock latches have two holes, it is necessary to make the hole on one side, change the position of the car door lock latch, and make the hole on the other side again after making the hole. This results in low efficiency in making holes for car door lock latches. Utility Model Content

[0004] The purpose of this invention is to provide a hole-drilling machine for small automotive connectors to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a drilling machine for small automotive connectors, comprising a housing, a fixing bracket fixedly mounted on the top of the housing by bolts, a door lock buckle placed inside the fixing bracket, and a lifting assembly for vertical movement on the top of the housing, the lifting assembly being used to limit the front side of the door lock buckle; A mounting bracket is provided on the top rear side of the chassis, a hydraulic press is provided on the top of the mounting bracket, and a hole-opening module is installed on the bottom of the hydraulic press. The hole-opening module is used to simultaneously open holes on both sides of the door latch. The chassis is equipped with a material discharge drawer located below the door latch, which is used to collect waste generated from the opening.

[0006] In a preferred embodiment, the front of the chassis is provided with a double-leaf door panel, and the outer wall of the door panel is provided with a handle; The chassis has horizontally distributed partitions inside.

[0007] In a preferred embodiment, the fixed bracket has a U-shaped structure, and the fixed bracket and the lifting assembly form a slot for placing the door lock buckle.

[0008] In a preferred embodiment, the lifting assembly includes a forward and reverse motor fixed to the inner wall of the top of the chassis, and a cam is provided on the output shaft of the forward and reverse motor; Guide pillars are provided on both sides of the inner wall of the top of the chassis. A base plate is sleeved on the outside of the guide pillars. The base plate is connected to the cam drive. A baffle plate that extends through to the top of the chassis is fixedly provided on the outer wall of the top of the base plate. A limit block is fixedly installed at the bottom end of the guide post, and a spring is installed on the outside of the guide post above the base plate.

[0009] In one preferred embodiment, the hydraulic press includes a mounting base fixed to the top of the mounting frame, a hydraulic cylinder fixedly mounted on the top outer wall of the mounting base, and a lifting power rod disposed inside the lower part of the hydraulic cylinder; The top of the chassis is provided with two symmetrical columns between the top and the mounting frame. The same guide frame is provided on the columns and the power rod. A sliding sleeve is provided at the contact point between the guide frame and the columns.

[0010] In a preferred embodiment, the opening module includes a connector that is detachably connected to the bottom end of the power rod. A straight rod is fixedly provided at the bottom end of the connector, and an integrally formed punch is provided on both sides of the bottom of the straight rod.

[0011] In a preferred embodiment, the discharge drawer is a pull-out structure, and a guide hopper facing the discharge drawer is provided on the inner wall of the top of the chassis.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This drilling machine for small automotive connectors uses a hydraulic press to drive the drilling module to move up and down. It can use the double punches of the drilling module to simultaneously drill holes on both sides of the door latch, thus improving the efficiency of drilling holes in the door latch. This drilling machine for small automotive connectors, by setting up a fixed bracket and a lifting assembly, can place the door latch inside the fixed bracket and drive the baffle to rise to block the front of the door latch. The fixed bracket and baffle are used to position the door latch during drilling, ensuring the accuracy of the drilling. Attached Figure Description

[0013] Figure 1 This is a front view of the structure of this utility model. Figure 1 ; Figure 2 This is a front view of the structure of this utility model. Figure 2 ; Figure 3 This is a front view of the lifting assembly of the present invention. Figure 4 This is a front view of the door lock latch of this utility model in its installed state; Figure 5 This is a front view of the hydraulic press and punch of this utility model.

[0014] In the diagram: 1. Chassis; 11. Door panel; 12. Handle; 13. Partition; 2. Fixed bracket; 3. Door lock; 4. Lifting assembly; 41. Forward and reverse motor; 42. Cam; 43. Base plate; 44. Baffle; 45. Guide column; 46. Limit block; 47. Spring; 5. Mounting bracket; 6. Hydraulic press; 61. Hydraulic cylinder; 62. Mounting seat; 63. Power rod; 64. Guide frame; 65. Column; 66. Sliding sleeve; 7. Opening module; 71. Connector; 72. Straight rod; 73. Punch; 8. Material drop drawer. Detailed Implementation

[0015] The present invention will be further described below with reference to the embodiments.

[0016] The following embodiments are used to illustrate the present invention, but should not be used to limit the scope of protection of the present invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0017] Please see Figure 1 and Figure 4 This utility model provides a hole-drilling machine for small automotive connectors, including a housing 1, a split door panel 11 on the front side of the housing 1, and a handle 12 on the outer wall of the door panel 11; and horizontally distributed partitions 13 inside the housing 1.

[0018] In this embodiment, the interior of the chassis 1 is divided into multiple storage compartments by the partition 13, which facilitates the placement of tools. The operator can easily open and close the door panel 11 by holding the handle 12, making the operation convenient.

[0019] Please see Figure 1 and Figure 4 The top of the chassis 1 is fixedly installed with a mounting bracket 2 by bolts. The door lock buckle 3 is placed inside the mounting bracket 2. The mounting bracket 2 has a U-shaped structure. The mounting bracket 2 and the lifting assembly 4 form a slot for placing the door lock buckle 3.

[0020] In this embodiment, the fixed bracket 2 and the baffle 44 are used to limit the placement of the door lock buckle 3, preventing the door lock buckle 3 from shifting when making the hole, thus improving the processing accuracy of the door lock buckle 3. It should be noted that one specification of fixed bracket 2 corresponds to one specification of door lock buckle 3 for hole making.

[0021] Please see Figure 1 and Figure 3The top of the housing 1 is provided with a lifting assembly 4 that moves up and down. The lifting assembly 4 is used to limit the front side of the door lock 3. The lifting assembly 4 includes a forward and reverse motor 41 fixed on the inner wall of the top of the housing 1. A cam 42 is provided on the output shaft of the forward and reverse motor 41. Guide posts 45 are provided on both sides of the inner wall of the top of the housing 1. A base plate 43 is sleeved on the outside of the guide posts 45. The base plate 43 is connected to the cam 42. A baffle 44 is fixed on the outer wall of the top of the base plate 43 and extends to the top of the housing 1. A through groove is provided on the housing 1 that matches the baffle 44. A limit block 46 is fixed at the bottom of the guide post 45. A spring 47 is provided on the outside of the guide post 45 above the base plate 43.

[0022] In this embodiment, after the door lock buckle 3 is placed inside the fixed bracket 2, the forward and reverse motor 41 is started, which drives the cam 42 to rotate. The cam 42 drives the base plate 43 and the baffle 44 to rise. The baffle 44 is used to limit the front side of the door lock buckle 3. After the hole is drilled in the door lock buckle 3, the forward and reverse motor 41 drives the cam 42 to rotate in the opposite direction. Under the rebound action of the spring 47, the base plate 43 drives the baffle 44 to fall, which makes it easy to take out the drilled door lock buckle 3 and also makes it easy to place the next door lock buckle 3 to realize the hole drilling.

[0023] Please see Figure 2 and Figure 5 A mounting bracket 5 is provided on the top rear side of the chassis 1. A hydraulic press 6 is provided on the top of the mounting bracket 5. The hydraulic press 6 includes a mounting base 62 fixed to the top of the mounting bracket 5. A hydraulic cylinder 61 is fixed on the top outer wall of the mounting base 62. A lifting power rod 63 is provided inside the lower part of the hydraulic cylinder 61. Symmetrical columns 65 are provided on both sides between the top of the chassis 1 and the mounting bracket 5. The same guide frame 64 is provided on the columns 65 and the power rod 63. A sliding sleeve 66 is provided at the contact point between the guide frame 64 and the columns 65.

[0024] In this embodiment, the hydraulic press 6 is started, causing the hydraulic cylinder 61 to drive the power rod 63 to descend. The power rod 63 then drives the punch 73 to descend, thereby realizing the drilling of the door latch 3. When the power rod 63 descends, it slides on the column 65 through the guide frame 64 and the sliding sleeve 66, ensuring the accuracy of the descent of the punch 73 and realizing the drilling at the specified position.

[0025] Please see Figure 1 and Figure 5 The bottom of the hydraulic press 6 is equipped with a hole-opening module 7, which is used to simultaneously open holes on both sides of the door latch 3. The hole-opening module 7 includes a connector 71 that is detachably connected to the bottom of the power rod 63 (the detachable connection method here can be the existing threaded connection method). A straight rod 72 is fixedly provided at the bottom of the connector 71, and an integrally formed punch 73 is provided on both sides of the bottom of the straight rod 72.

[0026] In this embodiment, the connector 71 can be disassembled from the bottom of the power rod 63 to replace different models of punches 73, which is beneficial for processing door lock buckles 3 of different specifications. At the same time, the design of the double punches 73 can realize the opening processing of both sides of the door lock buckle 3 at one time, which improves the efficiency of opening processing of the door lock buckle 3.

[0027] Please see Figure 2 The machine casing 1 has a material drop drawer 8 located below the door lock 3 inside. The material drop drawer 8 is used to collect waste generated by the opening. The material drop drawer 8 is a pull-out structure. The inner wall of the top of the machine casing 1 is provided with a guide hopper facing the material drop drawer 8.

[0028] In this embodiment, the waste material after the hole is opened enters the inside of the discharge drawer 8 through the guide hopper for collection. After the discharge drawer 8 is full, the discharge drawer 8 can be pulled out to process the waste material.

[0029] The working principle and usage process of this utility model: First, the baffle 44 is located below the upper surface of the casing 1, and the hydraulic press 6 drives the opening module 7 to the upper position; Next, the operator places the door latch 3 to be drilled inside the fixed bracket 2 and makes it in close contact with the inner wall of the fixed bracket 2. The operator starts the forward and reverse motor 41 to drive the cam 42 to rotate. The cam 42 can drive the base plate 43 to rise. Then the base plate 43 drives the baffle 44 to extend upward from the inside of the housing 1. The upper surface of the baffle 44 is flush with the upper surface of the fixed bracket 2. The fixed bracket 2 and the baffle 44 are used to limit the installation of the door latch 3. Then, the hydraulic cylinder 61 is activated, causing the hydraulic cylinder 61 to drive the power rod 63 to descend. The power rod 63 then drives the punch 73 to descend, thus enabling the punch 73 to perform the drilling operation on the door latch 3. After the drilling is completed, the hydraulic press 6 drives the punch 73 to return upward. After the hole is drilled, the waste material falls downward into the inside of the material drawer 8 for collection. The forward and reverse motor 41 causes the baffle 44 to fall downward into the machine box 1. The operator can then remove the door lock buckle 3 with the hole drilled from the inside of the fixed card seat 2 and insert the next door lock buckle 3 that needs to be drilled.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drilling machine for small automotive connectors, comprising a housing (1), characterized in that: The top of the chassis (1) is fixedly installed with a mounting bracket (2) by bolts. A door lock buckle (3) is placed inside the mounting bracket (2). The top of the chassis (1) is provided with a lifting assembly (4) that moves up and down. The lifting assembly (4) is used to limit the front side of the door lock buckle (3). A mounting bracket (5) is provided on the top rear side of the chassis (1), a hydraulic press (6) is provided on the top of the mounting bracket (5), and a hole-opening module (7) is installed on the bottom of the hydraulic press (6). The hole-opening module (7) is used to simultaneously open holes on both sides of the door latch (3). The chassis (1) is equipped with a material drop drawer (8) located below the door latch (3), which is used to collect waste generated by the opening.

2. The drilling machine for small automotive connectors according to claim 1, characterized in that: The front side of the chassis (1) is provided with a double-door panel (11), and a handle (12) is provided on the outer wall of the door panel (11). The chassis (1) is provided with horizontally distributed partitions (13).

3. A drilling machine for small automotive connectors according to claim 1, characterized in that: The fixed bracket (2) has a U-shaped structure, and the fixed bracket (2) and the lifting assembly (4) form a slot for placing the door latch (3).

4. A drilling machine for small automotive connectors according to claim 1, characterized in that: The lifting assembly (4) includes a forward and reverse motor (41) fixed on the inner wall of the top of the housing (1), and a cam (42) is provided on the output shaft of the forward and reverse motor (41). Guide posts (45) are provided on both sides of the inner wall of the top of the chassis (1). A base plate (43) is sleeved on the outside of the guide posts (45). The base plate (43) is connected to the cam (42) for transmission. A baffle (44) is fixedly provided on the outer wall of the top of the base plate (43) and extends through to the top of the chassis (1). A limit block (46) is fixedly provided at the bottom end of the guide post (45), and a spring (47) is provided on the outside of the guide post (45) above the base plate (43).

5. A drilling machine for small automotive connectors according to claim 1, characterized in that: The hydraulic press (6) includes a mounting base (62) fixed to the top of the mounting frame (5), a hydraulic cylinder (61) is fixedly installed on the top outer wall of the mounting base (62), and a lifting power rod (63) is installed inside the lower part of the hydraulic cylinder (61). The top of the chassis (1) and the mounting bracket (5) are provided with two symmetrical columns (65). The same guide frame (64) is provided on the column (65) and the power rod (63). A sliding sleeve (66) is provided at the contact point between the guide frame (64) and the column (65).

6. A drilling machine for small automotive connectors according to claim 5, characterized in that: The opening module (7) includes a connector (71) that is detachably connected to the bottom end of the power rod (63). A straight rod (72) is fixedly provided at the bottom end of the connector (71), and an integrally formed punch (73) is provided on both sides of the bottom of the straight rod (72).

7. A drilling machine for small automotive connectors according to claim 1, characterized in that: The material drop drawer (8) is a pull-out structure, and a guide hopper facing the material drop drawer (8) is provided on the inner wall of the top of the chassis (1).