CN114985657A

CN114985657A - Cold heading machine cold heading device for machining bolt fastener

Info

Publication number: CN114985657A
Application number: CN202210578401.XA
Authority: CN
Inventors: 张永良; 李华; 胡伦波; 沈健狄
Original assignee: Ningbo Jinding Fastening Piece Co ltd
Current assignee: Ningbo Jinding Fastening Piece Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-02

Abstract

The invention discloses a cold heading device of a cold heading machine for processing a bolt fastener, which relates to the technical field of cold heading machines and comprises a main body, wherein a first motor is fixedly arranged in the main body, one end of an output shaft of the first motor is fixedly connected with a rotating block, the upper end of the rotating block is movably connected with a rotating disc, a plurality of cold heading grooves distributed in an annular array are formed in the rotating disc, the interiors of the plurality of cold heading grooves are movably connected with a blank, and one side of the upper surface of the main body is fixedly connected with a connecting seat. The rotary table can be driven to rotate through the first motor, so that a plurality of blanks in the cold heading groove are driven to move, the connecting seat is matched with the supporting plate, so that the feeding groove can be installed, the blanks can accurately enter the cold heading groove at the bottom end through the feeding groove, the hydraulic telescopic column can be supported through the supporting arm, the pressing plate is driven to move up and down through the hydraulic telescopic column, so that the connecting bolt can be subjected to cold heading, and the machining is completed.

Description

Cold heading machine cold heading device for machining bolt fastener

Technical Field

The invention relates to the technical field of cold headers, in particular to a cold header cold heading device for machining bolt fasteners.

Background

The cold heading process is one of the novel processes for machining less and no cutting metal under pressure. The method is a processing method which utilizes the plastic deformation generated by metal under the action of external force and redistributes and transfers the metal volume by means of a die so as to form the required part or blank. The cold heading process is most suitable for producing standard fasteners such as bolts, screws, nuts, rivets, pins, and the like.

In chinese patent application No.: CN201420851946.4 discloses there is a cold heading machine closing device, including the base station, the top of base station is vertical to be equipped with fixed extension board, and the lower part of one side of fixed extension board is equipped with the direction wheelset, and the top of direction wheelset is equipped with the pinch roller that compresses tightly the iron wire rod of horizontal transport on the direction wheelset, and the connecting axle of pinch roller passes the breach at fixed extension board top, and links to each other with the pressure arm that articulates at fixed extension board opposite side, still establishes the extension spring that one end was fixed on the base station on the pressure arm. This cold heading machine closing device still has the shortcoming that the lower result of use of machining efficiency is not good in the use to and be not convenient for change the accessory according to the in-service use condition and use inconvenient problem.

Therefore, it is necessary to provide a cold heading machine for bolt fastener machining to solve the above problems.

Disclosure of Invention

Technical problem to be solved

The invention aims to: the invention provides a cold heading machine cold heading device for machining bolt fasteners, and aims to solve the problems that an existing cold heading machine pressing device is low in machining efficiency and poor in using effect in the using process, and parts are inconvenient to replace according to actual using conditions.

(II) technical scheme

The invention specifically adopts the following technical scheme for realizing the purpose:

a cold heading device of a cold heading machine for processing bolt fasteners comprises a main body, wherein a first motor is fixedly arranged in the main body, one end of an output shaft of the first motor is fixedly connected with a rotating block, the upper end of the rotating block is movably connected with a turntable, a plurality of cold heading grooves distributed in an annular array are formed in the turntable, a material blank is movably connected in each cold heading groove, one side of the upper surface of the main body is fixedly connected with a connecting seat, the upper end of the connecting seat is movably connected with a supporting plate, the top end of the supporting plate is fixedly connected with a feeding groove, one side of the upper surface of the main body is movably connected with a supporting arm, a hydraulic telescopic column is fixedly arranged in the top end of the supporting arm, a pressing plate is fixedly connected at the bottom end of the hydraulic telescopic column, one side of the upper surface of the main body is movably connected with a blanking groove, and two sides of the blanking groove are both penetrated through and movably connected with a connecting bolt, the bottom and the main part looks adaptation of connecting bolt, the inside fixed mounting of the bottom main part of silo has pneumatic telescoping cylinder down.

Furthermore, a first connecting groove is formed in the rotating block, a connecting pin penetrates through the rotating block and is movably connected with the rotating block, and the bottom end of the connecting pin is matched with the first connecting groove.

Furthermore, a second connecting groove is formed in one side of the inner portion of the rotary disc, a handle is fixedly connected to the top end of the connecting pin, and a first movable cavity is formed in the connecting pin.

Furthermore, the first spring is fixedly connected to one end of the first movable cavity, the limiting pin is fixedly connected to the other end of the first spring, and the limiting pin is matched with the second connecting groove.

Further, a limiting groove is formed in the inner side of the main body, a limiting ring is fixedly connected to one side of the rotary table and matched with the limiting groove, and a protection plate is movably connected to one side of the limiting groove.

Furthermore, a groove is formed in the upper surface of the connecting seat, and a second movable cavity is formed in the supporting plate.

Further, the inside top end fixedly connected with second spring in second activity chamber, the bottom fixedly connected with bayonet lock of second spring, the bottom and the recess looks adaptation of bayonet lock.

(III) advantageous effects

The invention has the following beneficial effects:

1. according to the invention, the first motor can drive the rotary table to rotate so as to drive a plurality of blanks in the cold heading groove to move, the connecting seat is matched with the supporting plate so as to realize the installation of the feeding groove, the blanks can accurately fall into the cold heading groove at the bottom end through the feeding groove, the hydraulic telescopic column can be supported through the supporting arm, the pressing plate is driven by the hydraulic telescopic column to move up and down so as to perform cold heading on the connecting bolt, and further the machining is completed, the machining progress of the device can be greatly improved through the rotation of the rotary table, and the bolt machining workpiece subjected to cold heading in the cold heading groove can be pushed out through the expansion of the pneumatic telescopic cylinder, so that the bolt can slide down through the blanking groove, and can be detached and replaced according to the use condition through the connecting bolt, and the use is more convenient.

2. According to the invention, the limiting pin is shifted after the protection plate is taken out, the limiting pin moves to one side after overcoming the elastic force of the first spring, and the limiting with the second connecting groove is further disconnected, so that the connecting pin can be taken out, the rotating block can drive the rotating disc to rotate through the connecting pin, and the rotating disc can be pulled to one side after the connecting pin is taken out, so that the rotating disc can be replaced, and further, different rotating discs can be replaced according to different conditions in production, so that the use is more convenient.

3. According to the invention, the second spring in the second movable cavity is matched with the clamping pin and is matched with the groove, so that the support plate and the connecting seat can be more stable after being connected, the support plate and the feeding groove can be replaced according to the use condition, and the using effect is better.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a first schematic cross-sectional view of the inventive structure;

FIG. 3 is a second cross-sectional schematic view of the inventive structure;

FIG. 4 is an enlarged view of the structure of region A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3 in accordance with the present invention;

FIG. 6 is an enlarged view of the structure of region C in FIG. 3 according to the present invention.

Reference numerals: 1. a main body; 2. a first motor; 3. a turntable; 4. cold heading grooves; 5. a support plate; 6. a feed chute; 7. a support arm; 8. a hydraulic telescopic column; 9. a pressing plate; 10. a connecting bolt; 11. a discharging groove; 12. a pneumatic telescopic cylinder; 13. rotating the block; 14. a first connecting groove; 15. a connecting pin; 16. a second connecting groove; 17. a handle; 18. a first active cavity; 19. a first spring; 20. a limit pin; 21. a limiting groove; 22. a limiting ring; 23. a protection plate; 24. a material blank; 25. a connecting seat; 26. a groove; 27. a second movable chamber; 28. a second spring; 29. and a clamping pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, 2 and 4, a cold heading device of a cold heading machine for processing a bolt fastener comprises a main body 1, a first motor 2 is fixedly installed inside the main body 1, one end of an output shaft of the first motor 2 is fixedly connected with a rotating block 13, the upper end of the rotating block 13 is movably connected with a rotating disc 3, a plurality of cold heading grooves 4 distributed in an annular array are formed inside the rotating disc 3, blanks 24 are movably connected inside the cold heading grooves 4, one side of the upper surface of the main body 1 is fixedly connected with a connecting seat 25, the upper end of the connecting seat 25 is movably connected with a supporting plate 5, the top end of the supporting plate 5 is fixedly connected with a feeding groove 6, one side of the upper surface of the main body 1 is movably connected with a supporting arm 7, a hydraulic telescopic column 8 is fixedly installed inside the top end of the supporting arm 7, the bottom end of the hydraulic telescopic column 8 is fixedly connected with a pressing plate 9, one side of the upper surface of the main body 1 is movably connected with a discharging groove 11, the both sides of silo 11 all run through and swing joint has connecting bolt 10 down, and the bottom and the 1 looks adaptation of main part of connecting bolt 10, the inside fixed mounting of the bottom main part 1 of silo 11 has pneumatic telescoping cylinder 12 down.

In the embodiment, the first motor 2 can drive the rotary table 3 to rotate, so as to drive a plurality of blanks 24 in the cold heading groove 4 to move, the connecting seat 25 is matched with the supporting plate 5, so that the feeding groove 6 can be installed, the blanks 24 can be accurately fed into the cold heading groove 4 at the bottom end through the feeding groove 6, the hydraulic telescopic column 8 can be supported through the supporting arm 7, the hydraulic telescopic column 8 drives the pressing plate 9 to move up and down, so that the connecting bolt 10 can be subjected to cold heading, further the processing is completed, the rotary table 3 rotates, so that the processing progress of the device can be greatly improved, the pneumatic telescopic cylinder 12 is telescopic, so that a bolt processing workpiece subjected to cold heading in the cold heading groove 4 can be pushed out, further the bolt processing workpiece can slide down through the lower trough 11, and can be detached and replaced according to the use condition through the connecting bolt 10, the use is more convenient.

Example 2

Referring to fig. 3 and 5, the present embodiment is further optimized based on embodiment 1,

specifically, a first connecting groove 14 is arranged inside the rotating block 13, a connecting pin 15 penetrates through and is movably connected inside the rotating disc 3, the bottom end of the connecting pin 15 is matched with the first connecting groove 14,

specifically, a second connecting groove 16 is formed in one side of the inside of the turntable 3, a handle 17 is fixedly connected to the top end of the connecting pin 15, and a first movable cavity 18 is formed in the connecting pin 15.

Specifically, one end of the interior of the first movable cavity 18 is fixedly connected with a first spring 19, the other end of the first spring 19 is fixedly connected with a limit pin 20, and the limit pin 20 is matched with the second connecting groove 16.

Specifically, the limiting groove 21 has been seted up to the inboard of main part 1, one side fixedly connected with spacing ring 22 of carousel 3, spacing ring 22 and spacing groove 21 looks adaptation, one side swing joint of spacing groove 21 has guard plate 23.

In this embodiment, through taking out back with protection plate 23 through stirring spacer pin 20 and after overcoming the elasticity of first spring 19, one side is removed, and then the disconnection is spacing with second spread groove 16, with this can take out connecting pin 15, can make through connecting pin 15 change piece 13 drive carousel 3 and rotate, can be to one side pulling carousel 3 after taking out connecting pin 15 through will, with this can realize the change to carousel 3, and then it is more convenient when can changing different carousel 3 uses according to the condition of difference in the production.

Example 3

Referring to fig. 6, the present embodiment is optimized based on the

embodiment

1 or 2, specifically, a groove 26 is formed on the connecting seat 25, and a second movable cavity 27 is formed inside the supporting plate 5.

Specifically, the top end of the inside of the second movable cavity 27 is fixedly connected with a second spring 28, the bottom end of the second spring 28 is fixedly connected with a bayonet 29, and the bottom end of the bayonet 29 is matched with the groove 26.

In this embodiment, the second spring 28 in the second movable cavity 27 is matched with the bayonet 29 and matched with the groove 26, so that the support plate 5 is more stable after being connected with the connecting seat 25, the support plate 5 and the feeding groove 6 can be replaced according to the use condition, and the using effect is better.

In summary, the following steps: the invention can drive the rotary table 3 to rotate through the first motor 2, further drive a plurality of blanks 24 in the cold heading groove 4 to move, the connection seat 25 is matched with the support plate 5, thereby realizing the installation of the feed groove 6, the blanks 24 can be accurately led into the cold heading groove 4 at the bottom end through the feed groove 6, the hydraulic telescopic column 8 can be supported through the support arm 7, the pressing plate 9 is driven by the hydraulic telescopic column 8 to move up and down, thereby carrying out the cold heading on the connecting bolt 10, further completing the processing, the machining progress of the device can be greatly promoted through the rotation of the rotary table 3, the pneumatic telescopic cylinder 12 can be used for stretching, thereby pushing out the bolt processing workpiece which is subjected to the cold heading in the cold heading groove 4, further leading the bolt processing workpiece to slide down through the blanking groove 11, and the connecting bolt 10 can be detached and replaced according to the use condition, thereby being more convenient in use, through taking out guard plate 23 after stir spacer pin 20 and after overcoming first spring 19 elasticity to one side removal, and then disconnection and second spread groove 16 spacing, with this can take out connecting pin 15, can make through connecting pin 15 to change piece 13 and drive carousel 3 and rotate, can be to one side pulling carousel 3 after taking out connecting pin 15, with this can realize the change to carousel 3, and then can change different carousel 3 when using according to the different circumstances in production more convenient, through inside second spring 28 and the bayonet 29 of second activity chamber 27 mutually supporting, and with recess 26 looks adaptation, thereby can make backup pad 5 and connecting seat 25 be connected after more stable, also can change backup pad 5 and chute feeder 6 according to the in service behavior, the result of use is better.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a cold heading machine cold-heading device for bolt fastener processing, includes main part (1), its characterized in that: the automatic forging device is characterized in that a first motor (2) is fixedly mounted inside the main body (1), one end of an output shaft of the first motor (2) is fixedly connected with a rotating block (13), the upper end of the rotating block (13) is movably connected with a rotating disc (3), a plurality of cold heading grooves (4) distributed in an annular array are formed in the rotating disc (3), a material blank (24) is movably connected inside each cold heading groove (4), a connecting seat (25) is fixedly connected to one side of the upper surface of the main body (1), a supporting plate (5) is movably connected to the upper end of the connecting seat (25), a feeding groove (6) is fixedly connected to the top end of the supporting plate (5), a supporting arm (7) is movably connected to one side of the upper surface of the main body (1), a hydraulic telescopic column (8) is fixedly mounted inside the top end of the supporting arm (7), and a pressing plate (9) is fixedly connected to the bottom end of the hydraulic telescopic column (8), silo (11) under upper surface one side swing joint of main part (1), the both sides of silo (11) all run through and swing joint has connecting bolt (10) down, the bottom and main part (1) looks adaptation of connecting bolt (10), the inside fixed mounting of the bottom main part (1) of silo (11) has pneumatic telescoping cylinder (12) down.

2. The cold heading machine cold heading device for bolt fastener machining according to claim 1, characterized in that: first connecting groove (14) have been seted up to the inside of commentaries on classics piece (13), the inside of carousel (3) is run through and swing joint has connecting pin (15), the bottom and the first connecting groove (14) looks adaptation of connecting pin (15).

3. The cold heading machine cold heading device for bolt fastener machining according to claim 2, characterized in that: a second connecting groove (16) is formed in one side of the inner portion of the rotary disc (3), a handle (17) is fixedly connected to the top end of the connecting pin (15), and a first movable cavity (18) is formed in the connecting pin (15).

4. The cold heading machine cold heading device for bolt fastener machining according to claim 3, characterized in that: the inner end of the first movable cavity (18) is fixedly connected with a first spring (19), the other end of the first spring (19) is fixedly connected with a limiting pin (20), and the limiting pin (20) is matched with the second connecting groove (16).

5. The cold heading machine cold heading device for bolt fastener machining according to claim 1, characterized in that: spacing groove (21) have been seted up to the inboard of main part (1), one side fixedly connected with spacing ring (22) of carousel (3), spacing ring (22) and spacing groove (21) looks adaptation, one side swing joint of spacing groove (21) has guard plate (23).

6. The cold heading machine cold heading device for bolt fastener machining according to claim 1, characterized in that: a groove (26) is formed in the upper surface of the connecting seat (25), and a second movable cavity (27) is formed in the supporting plate (5).

7. The cold heading machine device for bolt fastener machining according to claim 6, wherein: the top end of the inner part of the second movable cavity (27) is fixedly connected with a second spring (28), the bottom end of the second spring (28) is fixedly connected with a clamping pin (29), and the bottom end of the clamping pin (29) is matched with the groove (26).