A door closer oil passage drilling apparatus

By designing a drilling device for the oil circuit of the door closer, the automated drilling and loading/unloading of the inner cavity of the door closer was realized, which solved the problem of low automation in the existing technology, improved production efficiency and saved labor costs.

CN224526038UActive Publication Date: 2026-07-21ZHUHAI FREE TRADE ZONE YINKE SCHULTE GATED TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHUHAI FREE TRADE ZONE YINKE SCHULTE GATED TECH CO LTD
Filing Date
2025-06-27
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The existing door closer oil circuit drilling process has a low degree of automation, resulting in long loading and unloading times and low efficiency.

Method used

A door closer oil circuit drilling device was designed, comprising a base, a positioning clamp group, a drilling mechanism, a loading and unloading assembly, and a transfer robot to realize automatic loading and unloading and drilling. It adopts a linear slide, a moving module, a lifting assembly, and a drill bit assembly, and uses the robot to realize the positioning and clamping of the door closer and the drilling of the inner cavity.

Benefits of technology

It has improved the automation level of door closer production, saved labor costs, and increased production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to oil circuit drilling technical field discloses a door closer oil circuit drilling equipment, including machine base, positioning fixture group and drilling mechanism, positioning fixture group is through linear slide platform and is slidably fitted on the machine base, and drilling mechanism includes fixed base, removes module, lifting assembly and drill bit assembly, and fixed base sets up at the back side of linear slide platform, and the machine base is provided with the feeding and discharging assembly in the side of positioning fixture group, and the transfer manipulator is arranged between feeding and discharging assembly and positioning fixture group, and the feeding and discharging assembly includes feeding belt, discharging belt, divides material table and discharging table, and the discharging belt is correspondingly set up below the feeding belt, and divides material table and is fixed on the positioning plate between feeding belt and discharging belt, and divides material table sets up in the output end of feeding belt along the direction of conveyance, and the input end of discharging belt is provided with discharging lifting cylinder, and the discharging table is connected on the output end of discharging lifting cylinder.
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Description

Technical Field

[0001] This utility model relates to the field of oil circuit drilling technology, and in particular to a door closer oil circuit drilling device. Background Technology

[0002] A door closer is a hydraulic device similar to a spring on the door frame. When the door is opened, it is compressed and then released to automatically close the door, functioning like a spring-loaded door. This ensures that the door closes accurately and promptly to its initial position after being opened. During the production process of a door closer, holes need to be drilled in the door closer's chamber to create oil passages. Drilling these holes in the chamber allows the oil passages to connect to the door closer's internal structure.

[0003] for Figure 10 The door closer workpiece 100 shown needs to have holes 110 and 120 drilled in its inner cavity during production. Currently, the drilling process for the oil circuit has a low degree of automation, long loading and unloading time, and relatively low efficiency. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a door closer oil circuit drilling device, which saves corresponding labor costs and improves the production efficiency of the equipment.

[0005] The technical solution of this utility model is as follows: a door closer oil circuit drilling device, including a base, a positioning fixture assembly and a drilling mechanism mounted on the base. The positioning fixture assembly is slidably fitted on the base via a linear slide. The drilling mechanism includes a fixed base, a movable module mounted on the fixed base, a lifting assembly mounted on the output end of the movable module, and a drill bit assembly mounted on the output end of the lifting assembly. The fixed base is located on the rear side of the linear slide. The base is provided with a loading and unloading assembly on the side of the positioning fixture assembly. A transfer manipulator is provided between the loading and unloading assembly and the positioning fixture assembly. The loading and unloading assembly includes a loading belt, a unloading belt, a sorting platform, and an unloading platform. The unloading belt is correspondingly located below the loading belt. The sorting platform is fixed on a positioning plate between the loading belt and the unloading belt. The sorting platform is located at the output end of the loading belt along the conveying direction. An unloading lifting cylinder is provided at the input end of the unloading belt. The unloading platform is connected to the output end of the unloading lifting cylinder.

[0006] As can be seen from the above scheme, the positioning clamp group is used to limit and clamp the door closer, the drilling mechanism is used to drill the inner cavity of the door closer product, the moving module and the lifting assembly are used to drive the drill bit assembly to achieve two-axis movement on the machine base, the drill bit assembly is used to drill the inner hole after extending into the inner cavity, the feeding belt and the unloading belt are used to simultaneously load and unload materials on one side of the machine base, the material distribution platform is used to load materials one by one after the materials are divided on the feeding belt, and the unloading lifting cylinder is used to drive the unloading platform to descend to be flush with the unloading belt for conveying and unloading. This utility model realizes the drilling of the inner cavity of the door closer product through automatic feeding and automatic drilling, thereby improving the processing efficiency of the product.

[0007] The drill assembly includes a rotary drive, a mounting head, a horizontal connecting shaft, a first bevel gear disposed at the end of the horizontal connecting shaft, a second bevel gear meshing with the first bevel gear, and an internal drill bit. The horizontal connecting shaft is connected to the output end of the rotary drive via the mounting head. The first bevel gear is connected to the end of the horizontal connecting shaft, and the internal drill bit is coaxially connected to the bottom of the second bevel gear. Therefore, the rotary drive drives the horizontal shaft to rotate via the mounting head, thereby transmitting the rotation to the first bevel gear. The horizontal connecting shaft facilitates the internal drill bit's insertion into the door closer's inner cavity. The meshing of the first and second bevel gears changes the rotation direction of the internal drill bit, converting rotation along the horizontal axis to rotation along the vertical axis. The second bevel gear drives the internal drill bit to rotate, thus machining the inner hole of the door closer.

[0008] The positioning fixture assembly includes at least two sets of first positioning fixtures and second positioning fixtures. Each of the first and second positioning fixtures includes a turntable, a tailstock, a mounting base, and a rotary clamping cylinder. The turntable and the tailstock are connected to the output end of the linear slide via a mounting plate. The mounting base is disposed between the turntable and the tailstock and connected to the turntable's rotating shaft. A clamping block is connected to the output end of the rotary clamping cylinder. Therefore, the mounting base is used to clamp the door closer product to be processed; the turntable drives the mounting base to rotate, facilitating angle adjustment during door closer product positioning; and the rotary clamping cylinder clamps and limits the material product by driving the clamping block downwards.

[0009] The transfer robot includes a transverse frame, a transverse component mounted on the transverse frame, a linear lifting module mounted on the output end of the transverse component, and a rotary clamping component connected to the output end of the linear lifting module. The rotary clamping component includes a drive motor and a clamping cylinder, with the clamping cylinder connected to the output end of the drive motor via a connecting shaft. Therefore, the transverse component and the linear lifting module drive the rotary clamping component to achieve horizontal transverse movement and vertical lifting movement, facilitating the movement of the drill bit assembly and the workpiece between the loading / unloading assembly and the positioning fixture assembly. The clamping cylinder clamps the workpiece, and the drive motor rotates the workpiece.

[0010] Distributing cylinders are installed on both sides of the feeding conveyor near the distributing platform via a distributing frame. The output end of each distributing cylinder is connected to a distributing stop block, and two sets of distributing stops blocks are arranged facing each other. Therefore, the distributing cylinders are used to drive the distributing stops blocks to extend, thereby achieving the leveling and distributing of the continuously fed material.

[0011] A pusher cylinder is provided on the positioning plate. The fixed end of the pusher cylinder is connected to the positioning plate, and the output end of the pusher cylinder is connected to two sets of material distribution frames through a fixed connecting block. The material distribution frames are slidably fitted on the positioning plate. Therefore, the pusher cylinder is used to push the material distribution cylinders on the material distribution frames closer to the material distribution table to achieve sequential material feeding.

[0012] The machine base is equipped with a receiving tray, and the positioning fixture assembly slides within the receiving tray via a linear slide. Therefore, the receiving tray is used to collect drilling waste after drilling.

[0013] The base is covered with a protective housing, and the protective housing is connected to the host display screen via a mounting arm. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0016] Figure 3 This is a partial structural schematic diagram of the present invention;

[0017] Figure 4 This is a structural diagram of the loading and unloading assembly;

[0018] Figure 5 This is a schematic diagram of the drilling mechanism;

[0019] Figure 6 This is a partial structural diagram of the positioning fixture assembly;

[0020] Figure 7 This is a schematic diagram of the transfer robot.

[0021] Figure 8 This is a partial structural diagram of the loading and unloading assembly;

[0022] Figure 9 This is a partial structural diagram of the drilling assembly;

[0023] Figure 10 This is a structural diagram of a door closer product. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0025] like Figures 1 to 10 As shown, this utility model is a drilling device for the oil circuit of a door closer, including a base 1, a positioning fixture assembly mounted on the base 1, and a drilling mechanism 3. The positioning fixture assembly is slidably fitted on the base 1 via a linear slide 10. The drilling mechanism 3 includes a fixed base 31, a movable module 32 mounted on the fixed base 31, a lifting assembly 33 mounted on the output end of the movable module 32, and a drill bit assembly 4 mounted on the output end of the lifting assembly 33. The fixed base 31 is located on the rear side of the linear slide 10, and the base 1 has a loading and unloading mechanism on the side of the positioning fixture assembly. Component 5, a transfer robot 6 is provided between the loading / unloading component 5 and the positioning fixture group. The loading / unloading component 5 includes a loading belt 51, a unloading belt 52, a sorting platform 53, and an unloading platform 54. The unloading belt 52 is correspondingly located below the loading belt 51. The sorting platform 53 is fixed on the positioning plate 55 between the loading belt 51 and the unloading belt 52. The sorting platform 53 is located at the output end of the loading belt 51 along the conveying direction. The input end of the unloading belt 52 is provided with an unloading lifting cylinder 56. The unloading platform 54 is connected to the output end of the unloading lifting cylinder 56. In this embodiment, the linear slide 10 adopts a linear module with a motor-driven lead screw. The reference numeral for the door closer workpiece is 100. The inner cavity of the door closer workpiece 100 is provided with two first machining inner holes 110 and a second machining inner hole 120 located on the side of the first machining inner holes 110.

[0026] The drill assembly 4 includes a rotary drive 40, a mounting head 41, a horizontal connecting shaft 42, a first bevel gear 43 disposed at the end of the horizontal connecting shaft 42, a second bevel gear 44 meshing with the first bevel gear 43, and an internal drill bit 45. The horizontal connecting shaft 42 is connected to the output end of the rotary drive 40 via the mounting head 41. The first bevel gear 43 is connected to the end of the horizontal connecting shaft 42, and the internal drill bit 45 is coaxially connected to the bottom of the second bevel gear 44. In this embodiment, the axes of the first bevel gear 43 and the second bevel gear 44 are perpendicular, and the internal drill bit 45 is a twist drill.

[0027] The positioning fixture assembly includes at least two sets of first positioning fixtures 2 and second positioning fixtures 20. Each of the first and second positioning fixtures 20 includes a turntable 21, a tailstock 22, a mounting base 23, and a rotary clamping cylinder 24. The turntable 21 and the tailstock 22 are connected to the output end of the linear slide 10 via a mounting plate 25. The mounting base 23 is disposed between the turntable 21 and the tailstock 22 and connected to the rotating shaft of the turntable 21. A clamping block 241 is connected to the output end of the rotary clamping cylinder 24. In this embodiment, the turntable 21 includes a housing and a rotating component disposed within the housing. Two sets of the first positioning fixtures 2 are arranged side-by-side, and one set of the second positioning fixtures 20 is provided.

[0028] The transfer robot 6 includes a transverse frame 61, a transverse component 62 mounted on the transverse frame 61, a linear lifting module 63 mounted on the output end of the transverse component 62, and a rotating gripping component connected to the output end of the linear lifting module 63. The rotating gripping component includes a drive motor 64 and a clamping cylinder 65, and the clamping cylinder 65 is connected to the output end of the drive motor 64 via a connecting shaft 66. In this embodiment, the transverse frame 61 is mounted on the base 1 on the outside of the receiving tray 13. The transverse component 62, the linear lifting module 63, and the linear slide 10 are all linear modules with motor-driven lead screws. The linear module includes a linear drive motor, a lead screw connected to the output end of the linear drive motor, and a nut seat threaded onto the lead screw.

[0029] Distributing cylinders 58 are installed on both sides of the feeding belt 51 near the distributing platform 53 via distributing frames 57. The output end of the distributing cylinder 58 is connected to a distributing stop block 581, and two sets of distributing stops 581 are arranged facing each other. A pushing cylinder 59 is installed on the positioning plate 55. The fixed end of the pushing cylinder 59 is connected to the positioning plate 55, and the output end of the pushing cylinder 59 is connected to two sets of distributing frames 57 via a fixed connecting block. The distributing frames 57 are slidably fitted on the positioning plate 55.

[0030] In this embodiment, the right-angled sides of the material distribution platform 53 are respectively provided with horizontal stops and side stops. The material distribution platform 53 is provided with a clearance slope facing the feeding belt 51. The material distribution cylinder 58 drives the material distribution stop 581 to stop the material, ensuring that the feeding belt 51 continues to transport the material to the material distribution platform 53 one by one. In another embodiment, after the material distribution cylinder 82 drives the material distribution stop 83 to extend, the material distribution cylinder 82 is pushed along the conveying direction by the material pushing cylinder 84 to transport the material to the material distribution platform 3.

[0031] The base 1 is covered with a protective housing 11, and a main display screen is connected to the protective housing 11 via a mounting arm. A receiving tray 13 is provided on the base 1, and the positioning clamp assembly slides within the receiving tray 13 via a linear slide 10. In this embodiment, a cabinet is provided below the base 1.

[0032] The working process of this utility model is as follows: the material distribution cylinder 58 drives the material distribution block 581 to extend, thereby separating two adjacent materials at the output end of the feeding belt 51; the material pushing cylinder 59 drives the two sets of material distribution racks to move closer to the material distribution table 53, thereby pushing the materials onto the material distribution table 53; the transfer robot 6 moves the materials on the material distribution table 53 to the mounting seat 23 on the first positioning fixture 2 on the machine base 1; the rotary clamping cylinder 24 drives the clamping block 241 to press down and clamp; the linear slide 10 drives the first positioning fixture 2 to move closer to the drilling mechanism 3; the horizontal connecting shaft 42 drives the inner hole drill bit 45 to extend into the inner cavity of the door closer workpiece; the rotary drive component 40 drives the first bevel gear 43 to rotate through the horizontal connecting shaft 42; the first bevel gear 43 drives the second bevel gear 44 to mesh and transmit power; the inner hole 110 is drilled into the inner cavity of the door closer through the inner hole drill bit 45; and the inner hole 110 is drilled through the inner hole drill bit 45. After the work is completed, the transfer robot 6 places the material on the unloading table 54. During the product processing at station 1, the transfer robot 6 continues to transport the product on the loading belt 51 to station 2 for drilling the inner hole 110. The transfer robot 6 transfers the workpiece 100 to the second positioning fixture 20 for clamping and positioning. The turntable of the second positioning fixture 20 drives the workpiece to rotate at the corresponding set angle. The drilling mechanism 3 moves to the corresponding position and drills the inner hole 120 in the inner cavity of the door closer through the inner hole drill bit 45. The transfer robot 6 transfers the drilled workpiece to the unloading table 54. The unloading lifting cylinder 56 drives the unloading table 54 to descend to be flush with the unloading belt 52. The unloading belt 52 drives the processed material to be conveyed and unloaded. Then the transfer robot 6 continues to transport the product from the sorting table 57 to station 1. The above steps are repeated for continuous operation and processing.

[0033] For those skilled in the art, this utility model can have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A door closer oil circuit drilling device, comprising a base (1), a positioning fixture assembly mounted on the base (1), and a drilling mechanism (3), characterized in that: The positioning fixture assembly is slidably fitted on the machine base (1) via a linear slide (10). The drilling mechanism (3) includes a fixed base (31), a movable module (32) mounted on the fixed base (31), a lifting assembly (33) mounted on the output end of the movable module (32), and a drill assembly (4) mounted on the output end of the lifting assembly (33). The fixed base (31) is located on the rear side of the linear slide (10). The machine base (1) is provided with a loading and unloading assembly (5) on the side of the positioning fixture assembly. A transfer mechanism is provided between the loading and unloading assembly (5) and the positioning fixture assembly. The robotic arm (6) includes a loading belt (51), a unloading belt (52), a sorting platform (53), and an unloading platform (54). The unloading belt (52) is located below the loading belt (51). The sorting platform (53) is fixed on a positioning plate (55) between the loading belt (51) and the unloading belt (52). The sorting platform (53) is located at the output end of the loading belt (51) along the conveying direction. The input end of the unloading belt (52) is provided with an unloading lifting cylinder (56). The unloading platform (54) is connected to the output end of the unloading lifting cylinder (56).

2. The door closer oil circuit drilling equipment according to claim 1, characterized in that: The drill assembly (4) includes a rotary drive (40), a mounting head (41), a horizontal connecting shaft (42), a first bevel gear (43) disposed at the end of the horizontal connecting shaft (42), a second bevel gear (44) meshing with the first bevel gear (43), and an internal drill bit (45). The horizontal connecting shaft (42) is connected to the output end of the rotary drive (40) through the mounting head (41). The first bevel gear (43) is connected to the end of the horizontal connecting shaft (42), and the internal drill bit (45) is coaxially connected to the bottom of the second bevel gear (44).

3. The door closer oil circuit drilling equipment according to claim 1, characterized in that: The positioning fixture group includes at least two sets of first positioning fixtures (2) and second positioning fixtures (20). The first positioning fixture (2) and the second positioning fixture (20) each include a turntable (21), a tailstock (22), a mounting base (23), and a rotary clamping cylinder (24). The turntable (21) and the tailstock (22) are connected to the output end of the linear slide (10) through a mounting plate (25). The mounting base (23) is located between the turntable (21) and the tailstock (22) and is connected to the rotating shaft of the turntable (21). The output end of the rotary clamping cylinder (24) is connected to a clamping block (241).

4. The door closer oil circuit drilling equipment according to claim 1, characterized in that: The transfer robot (6) includes a transverse frame (61), a transverse assembly (62) mounted on the transverse frame (61), a linear lifting module (63) mounted on the output end of the transverse assembly (62), and a rotary gripping assembly connected to the output end of the linear lifting module (63). The rotary gripping assembly includes a drive motor (64) and a clamping cylinder (65). The clamping cylinder (65) is connected to the output end of the drive motor (64) via a connecting shaft (66).

5. The door closer oil circuit drilling equipment according to claim 1, characterized in that: On both sides of the feeding belt (51), near the distribution table (53), there are distribution cylinders (58) installed by the distribution frame (57). The output end of the distribution cylinder (58) is connected to the distribution block (581), and the two sets of distribution blocks (581) are arranged facing each other.

6. The door closer oil circuit drilling equipment according to claim 5, characterized in that: The positioning plate (55) is provided with a pusher cylinder (59). The fixed end of the pusher cylinder (59) is connected to the positioning plate (55). The output end of the pusher cylinder (59) is connected to two sets of material distribution racks (57) through a fixed connecting block. The material distribution racks (57) are slidably fitted on the positioning plate (55).

7. The door closer oil circuit drilling equipment according to claim 1, characterized in that: The base (1) is provided with a receiving tray (13), and the positioning fixture group is slidably engaged in the receiving tray (13) via a linear slide (10).

8. The door closer oil circuit drilling equipment according to claim 1, characterized in that: The base (1) is covered with a protective housing (11), and the protective housing (11) is connected to the host display screen (12) via a mounting arm.