CN113953873A

CN113953873A - Full-automatic machining equipment for center hole of fastener

Info

Publication number: CN113953873A
Application number: CN202111402377.6A
Authority: CN
Inventors: 王建斌; 王嘉轩; 王剑坤; 刘婕; 王建鹏
Original assignee: Longkou Hengjia Intelligent Equipment Co ltd
Current assignee: Longkou Hengjia Intelligent Equipment Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-01-21
Anticipated expiration: 2041-11-24
Also published as: CN113953873B

Abstract

The invention discloses full-automatic machining equipment for a central hole of a fastener, which belongs to the field of fastener production equipment and comprises a rack, a rotary table, a feeding disc, a clamp, a punching assembly, a drilling assembly, a punching and drilling assembly, a chip cleaning assembly, a detection assembly, a blowing assembly and a workbench; the rotary table is connected with the rotary table, the fixture is connected with the rotary table and distributed along the circumferential interval of the rotary table, the working table is connected with the machine frame, the material feeding disc, the punching assembly, the drilling assembly, the air blowing assembly, the punching drill assembly, the detection assembly, the scrap clearing assembly and the machine frame are connected and distributed in sequence along the circumferential direction of the rotary table, and the punching assembly, the drilling assembly, the punching drill assembly and the scrap clearing assembly can move along the tangential direction and the radial direction of the rotary table under the action of the working table. The full-automatic machining equipment for the center hole of the fastener disclosed by the invention realizes the full-automatic machining of the hexagonal hole in the fastener.

Description

Full-automatic machining equipment for center hole of fastener

Technical Field

The invention relates to the field of fastener production equipment, in particular to full-automatic machining equipment for a central hole of a fastener.

Background

To facilitate the use of the fastener with a driver, it is often necessary to machine a polygonal or otherwise shaped central hole in the end of the fastener. The patent with publication number CN102962307A discloses a method and a die for processing an inner hexagon of a socket head cap screw, which improves the conventional cold heading process into a stamping process, simplifies the processing process and improves the production efficiency. Fasteners are usually mass produced, and in order to further improve the production efficiency of the fasteners, a fully automated production line needs to be designed for the fasteners.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides full-automatic machining equipment for a central hole of a fastener.

The technical scheme is as follows: in order to achieve the purpose, the full-automatic machining equipment for the central hole of the fastener comprises a rack, a rotary table, a feeding disc, a clamp, a punching assembly, a drilling assembly, a punching and drilling assembly, a scrap cleaning assembly, a detection assembly, a blowing assembly and a workbench, wherein the rack is provided with a feeding disc; the carousel and frame swivelling joint, anchor clamps are connected with the carousel to circumference interval distribution along the carousel, the workstation is connected with the frame, go up the charging tray, punch the subassembly, drilling subassembly, the subassembly of blowing, dash and bore subassembly, determine module, clear bits subassembly and frame and be connected to distribute in proper order along the circumference of carousel, punch the subassembly, drilling subassembly, dash and bore the subassembly and clear bits subassembly respectively with the workstation one-to-one, the tangential direction and the radial direction removal that the carousel can be followed to subassembly, drilling subassembly, dash and bore the subassembly, clear bits subassembly under the effect of workstation.

Further, the clamp comprises a first block body, a second block body, a supporting plate, a spring rod and an ejector rod; the first block body is fixedly connected with the turntable, the second block body and the supporting plate are respectively arranged above and below the first block body, the spring rod is connected with the first block body in a sliding manner, the top end of the spring rod is connected with the second block body, and the bottom end of the spring rod is connected with the supporting plate; under the action of the spring rod, the first block body and the second block body always have the movement trend of mutual fitting; the first block and the second block are attached to form a fixing groove, the bottom end of the ejector rod is fixedly connected with the supporting plate, and the upper end of the ejector rod can extend into the fixing groove.

Further, the fixing groove comprises a first subsection and a second subsection, the first subsection is matched with the cylindrical part of the bolt, and the second subsection is matched with the nut part of the bolt; the top end of the ejector rod is arc-shaped.

The punching assembly comprises a punching assembly, a drilling assembly, a punching assembly and a chip cleaning assembly, and is characterized by further comprising a first jacking cylinder, wherein the first jacking cylinder is connected with the rack and corresponds to the punching assembly, the drilling assembly, the punching assembly and the chip cleaning assembly; the telescopic rod of the first jacking cylinder can jack the second block downwards.

The second jacking cylinder is arranged at the material loading tray and the material unloading station, and a telescopic rod of the second jacking cylinder can upwards jack the supporting plate, so that the first block body and the second block body are separated.

Further, the frame is provided with the feed opening, be provided with the conveyer belt in the frame, the one end of conveyer belt extends feed opening department, and the other end extends waste material dolly department.

The invention discloses full-automatic machining equipment for a central hole of a fastener, which at least has the following technical effects:

(1) the automatic feeding device realizes automatic operation from feeding, processing to discharging, reduces manual intervention, reduces the labor intensity of workers, and improves the production efficiency;

(2) the automatic production can ensure the uniformity of the product quality;

(3) the clamp provided by the invention realizes clamping by utilizing the structural characteristics of the bolt, and when the process step of cutting is required, the first jacking cylinder provides auxiliary clamping for the clamp, so that the clamping effect is ensured;

(4) the process adopted by the invention is different from the conventional process, and comprises the steps of punching a central hole, drilling, repeatedly punching and forming and deburring in sequence, so that the processing quality is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention, from a first perspective;

FIG. 2 is a schematic structural view of the drilling assembly, the punching assembly, the drill punching assembly and the chip cleaning assembly according to the present invention;

FIG. 3 is a schematic structural view of the connection of the frame, the turntable, the clamp and the first jacking cylinder according to the present invention;

FIG. 4 is a schematic view of the connection between the turntable and the fixture according to the present invention;

FIG. 5 is a schematic view of the structure of the clamp of the present invention;

FIG. 6 is a schematic view of the fixture of the present invention with the second block removed;

FIG. 7 is a schematic view of the connection of the table and the drilling assembly of the present invention;

fig. 8 is a schematic structural view of the ejector pin of the present invention.

In the figure, 1, a frame; 2. a turntable; 3. feeding a material plate; 4. a clamp; 5. a punching assembly; 6. a drilling assembly; 7. a drill component; 8. a scrap cleaning component; 9. a detection component; 10. a blowing assembly; 11. a work table; 12. a first block; 13. a second block; 14. a support plate; 15. a spring lever; 16. a top rod; 17. fixing grooves; 18. a first section; 19. a second subsection; 20. a bolt; 21. a first jacking cylinder; 22. a second jacking cylinder; 23. a conveyor belt; 24. a waste trolley; 25. a support bar; 26. an X base; 27. a Y base; 28. and (5) a finished product box.

Detailed Description

The principles and features of the present invention are described below in conjunction with fig. 1-8, which are provided by way of example only and are not intended to limit the scope of the present invention.

The utility model provides a full automatic processing equipment of fastener centre bore, includes frame 1, carousel 2, goes up charging tray 3, anchor clamps 4, the subassembly 5 that punches, drilling subassembly 6, drill punching subassembly 7, clear bits subassembly 8, determine module 9, the subassembly 10 of blowing, workstation 11, first roof pressure cylinder 21 and second roof pressure cylinder 22.

The upper surface of frame 1 is provided with bracing piece 25, carousel 2 is circular, and forms swivelling joint with bracing piece 25. The driving mode of the turntable 2 is the existing motor and gear driving. In this embodiment, twelve sets of clamps 4 are mounted on the turntable 2, and the twelve sets of clamps 4 are distributed at intervals along the circumferential direction of the turntable 2. In this embodiment, four sets of work tables 11 are mounted on the upper surface of the frame 1, and similarly, the four sets of work tables 11 are distributed along the circumferential direction of the turntable 2. The four groups of the working tables 11 respectively correspond to the punching assembly 5, the drilling assembly 6, the punching assembly 7 and the scrap cleaning assembly 8, namely, the punching assembly 5, the drilling assembly 6, the punching assembly 7 and the scrap cleaning assembly 8 are arranged on the working tables 11. The workbench 11 comprises an X base 26 and a Y base 27, the X base 26 is fixed on the upper surface of the rack 1, and the Y base 27 is connected with the X base 26 in a sliding manner and driven by a lead screw and a motor. The sliding direction of the Y base 27 is the tangential direction of the turntable 2. The drilling assembly 5, the drilling assembly 6, the punching drill assembly 7 and the scrap cleaning assembly 8 are in sliding connection with the Y base 27 respectively, and the sliding directions of the drilling assembly 5, the drilling assembly 6, the punching drill assembly 7 and the scrap cleaning assembly 8 are the radial directions of the rotary table 2. The detection assembly 9 and the air blowing assembly 10 are respectively fixedly connected to the support rods 25. The feeding disc 3, the punching assembly 5, the drilling assembly 6, the blowing assembly 10, the punching assembly 7, the detecting assembly 9 and the scrap removing assembly 8 are sequentially distributed along the circumferential direction of the turntable 2. The feeding tray 3 is a vibration tray which is common in the market. The fixture 4 is used for fixing a bolt 20 to be machined, and the bolt 20 is separated from the fixture 4 after sequentially passing through the punching assembly 5, the drilling assembly 6, the blowing assembly 10, the punching and drilling assembly 7, the detection assembly 9 and the scrap removal assembly 8 under the driving of the turntable 2, and enters the finished product box 28 to be machined.

Specifically, the clamp 4 comprises a first block body 12, a second block body 13, a supporting plate 14, a spring rod 15 and a top rod 16; first block 12 and carousel 2 fixed connection, the top and the below of first block 12 are put respectively to second block 13 and layer board 14, spring beam 15 and first block 12 sliding connection, the top and the second block 13 of spring beam 15 are connected, the bottom and the layer board 14 fixed connection of ejector pin 16, the upper end of ejector pin 16 can extend in the fixed slot 17. Under the action of the spring rod 15, the first block body 12 and the second block body 13 always have the movement tendency of mutually attaching; the first block 12 and the second block 13 form a fixing groove 17 after being jointed. The fixing groove 17 is used for fixing the bolt 20, so the shape of the fixing groove 17 is matched with the shape of the bolt 20. The retaining groove 17 comprises a first portion 18 and a second portion 19, the first portion 18 engaging with the cylindrical portion of the bolt 20, the second portion 19 engaging with the nut portion of the bolt 20. The top end of the ejector rod 16 is arc-shaped. The tray is characterized by further comprising a second jacking cylinder 22, the second jacking cylinder 22 is connected with the rack 1, the second jacking cylinder 22 is arranged at the position of the upper tray 3, and a telescopic rod of the second jacking cylinder 22 can upwards jack the supporting plate 14, so that the first block body 12 is separated from the second block body 13. The supporting plate 14 moves upwards and drives the ejector rod 16 to move upwards, so that the bolt 20 is ejected out of the fixing groove 17, and the bolt 20 is separated from the clamp 4.

The first jacking cylinder 21 is connected with the rack 1, and the first jacking cylinder 21 corresponds to the punching assembly 5, the drilling assembly 6, the drill punching assembly 7 and the scrap removing assembly 8; the telescopic rod of the first jacking cylinder 21 can jack the second block body 13 downwards. The punching assembly 5, the drilling assembly 6, the punching and drilling assembly 7 and the scrap removing assembly 8 are all stations with cutting, and the first jacking cylinder 21 can provide auxiliary clamping force when jacking the second block body 13 downwards, so that the clamping force of the clamp 4 for clamping a workpiece is ensured.

The punching assembly 5 is used for processing a positioning hole on the end part of the bolt 20; the drilling assembly 6 is used for machining a smooth hole in the bolt 20; the punching drill component 7 is used for forming a hexagon socket; the chip cleaning assembly 8 is used for cleaning chips in the hexagon socket hole. The punching assembly 5, the drilling assembly 6, the drill punching assembly 7 and the scrap cleaning assembly 8 are all in a mode of driving a cutter to rotate or move through a servo motor, and the description is omitted. The air blowing assembly 10 comprises an air blowing head and an air source communicated with the air blowing head, and chips in a machined hole can be discharged by utilizing the air blowing assembly 10. The detection assembly 9 comprises a sensor for detecting the depth and other dimensions of the forming hole.

Frame 1 is provided with the feed opening, be provided with conveyer belt 23 in the frame 1, the one end of conveyer belt 23 extends feed opening department, and the other end extends waste material dolly 24 department. The chips resulting from the cutting fall into the conveyor belt 23 and are eventually discharged into a waste cart 24.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a full automatic processing equipment of fastener centre bore which characterized in that: the automatic punching machine comprises a rack (1), a turntable (2), a feeding disc (3), a clamp (4), a punching assembly (5), a drilling assembly (6), a punching assembly (7), a scrap cleaning assembly (8), a detection assembly (9), a blowing assembly (10) and a workbench (11); the turntable (2) is rotationally connected with the frame (1), the clamp (4) is connected with the turntable (2), and are distributed at intervals along the circumferential direction of the turntable (2), the workbench (11) is connected with the frame (1), the feeding tray (3), the punching component (5), the drilling component (6), the blowing component (10), the drill punching component (7), the detection component (9) and the scrap cleaning component (8) are connected with the frame (1), and are distributed in sequence along the circumferential direction of the turntable (2), the punching component (5), the drilling component (6), the punching component (7) and the scrap cleaning component (8) are respectively in one-to-one correspondence with the workbench (11), the punching assembly (5), the drilling assembly (6), the punching drill assembly (7) and the scrap cleaning assembly (8) can move along the tangential direction and the radial direction of the rotary table (2) under the action of the workbench (11).

2. The full-automatic machining equipment for the central hole of the fastener, according to claim 1, is characterized in that: the clamp (4) comprises a first block body (12), a second block body (13), a supporting plate (14), a spring rod (15) and a top rod (16); the first block body (12) is fixedly connected with the rotary table (2), the second block body (13) and the supporting plate (14) are respectively arranged above and below the first block body (12), the spring rod (15) is connected with the first block body (12) in a sliding mode, the top end of the spring rod (15) is connected with the second block body (13), and the bottom end of the spring rod (15) is connected with the supporting plate (14); under the action of the spring rod (15), the first block body (12) and the second block body (13) always have the movement tendency of mutually attaching; the fixing groove (17) is formed after the first block body (12) and the second block body (13) are attached, the bottom end of the ejector rod (16) is fixedly connected with the supporting plate (14), and the upper end of the ejector rod (16) can extend into the fixing groove (17).

3. The full-automatic machining equipment for the central hole of the fastener, according to claim 2, is characterized in that: the fixing groove (17) comprises a first subsection (18) and a second subsection (19), the first subsection (18) is matched with the cylindrical part of the bolt (20), and the second subsection (19) is matched with the nut part of the bolt (20); the top end of the ejector rod (16) is arc-shaped.

4. The full-automatic machining equipment for the central hole of the fastener, according to claim 2, is characterized in that: the punching machine is characterized by further comprising a first jacking cylinder (21), wherein the first jacking cylinder (21) is connected with the rack (1), and the first jacking cylinder (21) corresponds to the punching assembly (5), the drilling assembly (6), the drill punching assembly (7) and the scrap cleaning assembly (8); the telescopic rod of the first jacking cylinder (21) can jack the second block body (13) downwards.

5. The full-automatic machining equipment for the central hole of the fastener, according to claim 2, is characterized in that: the automatic material loading device is characterized by further comprising a second jacking cylinder (22), the second jacking cylinder (22) is connected with the rack (1), the second jacking cylinder (22) is arranged at the material loading tray (3) and the material unloading station, and a telescopic rod of the second jacking cylinder (22) can upwards jack the supporting plate (14), so that the first block body (12) and the second block body (13) are separated.

6. The full-automatic machining equipment for the central hole of the fastener, according to claim 1, is characterized in that: frame (1) is provided with the feed opening, be provided with conveyer belt (23) in frame (1), the one end of conveyer belt (23) extends feed opening department, and the other end extends waste material dolly (24) department.