CN210817271U

CN210817271U - Stretching compound die for bolt production

Info

Publication number: CN210817271U
Application number: CN201921865862.5U
Authority: CN
Inventors: 储春芳
Original assignee: Yangzhou Haina Auto Parts Manufacturing Co ltd
Current assignee: Yangzhou Haina Auto Parts Manufacturing Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-23
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a stretching compound die for bolt production, which comprises a base, a fixed arm, a fixed column, a lower convex die and an upper convex die, wherein the center of the top of the base is fixedly connected with a lower template, the middle part of the lower template is fixedly provided with a plurality of springs, the tops of the plurality of springs are all fixedly connected with the bottom of a backing plate, the top of the backing plate is fixedly connected with the upper convex die, one end of the top of the base is fixedly connected with one side of the fixed column through the fixed arm, the bottom of the fixed column is fixedly provided with a reinforcing ring, an air cylinder is fixedly arranged inside the fixed column, the output end of the air cylinder passes through the reinforcing ring to be fixedly connected with the top of the upper template, the bottom of the upper template is fixedly connected with the top of the lower convex die, the other end of the top of the base is fixedly provided with a power switch, the stretching compound die for bolt production has simple and reasonable, the processing quality of the bolt is improved.

Description

Stretching compound die for bolt production

Technical Field

The utility model relates to a tensile compound die, in particular to tensile compound die is used in bolt production belongs to the bolt production field.

Background

A cylindrical threaded fastener matched with a nut is a fastener consisting of a head part and a screw (a cylinder with external threads), and is required to be matched with the nut and used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is screwed off from the bolt, the two parts can be separated, so the bolt connection belongs to detachable connection, the bolt is widely applied to various industries, and the production and processing equipment of the bolt is also numerous, wherein the drawing compound die is an important die in the bolt production and processing process, and the existing drawing compound die for bolt production exists in the bolt processing process: the structure of the stretching compound die is complex, the bolt stretching operation is complex, the time consumption is long, the compound die is unstable in movement in the use process, the defects of indentation, distortion and the like cannot be allowed to occur in the stretching process, and the damage rate of the bolt in the production process is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bolt production is with tensile compound die to the structure of the tensile compound die that proposes in solving above-mentioned background art is complicated, and the tensile complex operation of bolt is consuming time longer, and the compound die is in the use, removes unstablely, does not allow indentation, askew defect such as turning round to appear in tensile process, easily causes the higher problem of spoilage in the bolt production process.

In order to achieve the above object, the utility model provides a following technical scheme: the stretching compound die for bolt production comprises a base, a fixing arm, a fixing column, a lower convex die and an upper convex die, wherein a lower die plate is fixedly connected to the center of the top of the base, a plurality of springs are fixedly mounted in the middle of the lower die plate, the tops of the springs are fixedly connected with the bottom of a base plate, the top of the base plate is fixedly connected with the upper convex die, one end of the top of the base is fixedly connected with one side of the fixing column through the fixing arm, a reinforcing ring is fixedly arranged at the bottom of the fixing column, an air cylinder is fixedly mounted inside the fixing column, the output end of the air cylinder penetrates through the reinforcing ring to be fixedly connected with the top of the upper die plate, the bottom of the upper die plate is fixedly connected with the top of the lower convex die, a power switch is fixedly mounted at the other end of the.

As an optimal technical scheme of the utility model, the equal fixedly connected with callus on the sole of establishing a corner bottom the base.

As a preferred technical scheme of the utility model, the inside sliding connection of lower terrace die has the stripper, the bottom fixed connection of the top of stripper and activity post.

As a preferred technical scheme of the utility model, four activity grooves, four have been seted up on the surface of terrace die down the equal sliding connection in inside in activity groove has the connecting rod, four the one end of connecting rod all with the top fixed connection of activity post, four the other end of connecting rod respectively with four side fixed connection of activity ring inner circle.

As a preferred technical scheme of the utility model, the spring chamber has been seted up to the bottom of reinforcing ring, the inside fixed mounting in spring chamber has the main spring.

As a preferred technical scheme of the utility model, the outer lane fixedly connected with punch plate at lower bolster top, punch plate's top fixedly connected with blank holder.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a bolt production is with tensile compound die, the cylinder drives down the terrace die and makes the terrace die remove to the top, make the lower terrace die area processing part get into the top relief mould together in, accomplish tensile process, and it removes to drive the stripper through the loose ring, ejecting bolt, the tensile simple operation of processing of bolt, the main spring plays the effect of terrace die under buffering and the shock attenuation, a plurality of springs play the effect of terrace die on buffering and the shock attenuation, the stability that terrace die and top relief mould removed is down improved, thereby improve the stability of tensile compound die processing bolt, the processingquality of improvement bolt, tensile compound die simple structure is reasonable.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention.

In the figure: 1. a base; 2. a fixed arm; 3. fixing a column; 4. a lower male die; 5. an upper male die; 6. a reinforcing ring; 7. mounting a template; 8. a movable ring; 9. a movable groove; 10. a blank holder; 11. a male die fixing plate; 12. a lower template; 13. a power switch; 14. a foot pad; 15. a cylinder; 16. a connecting rod; 17. a movable post; 18. a stripper plate; 19. a spring; 20. a base plate; 21. a main spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a drawing compound die for bolt production, which comprises a base 1 and a fixing arm 2, fixed column 3, lower cam 4 and upper cam 5, the center fixedly connected with lower bolster 12 at 1 top of base, the middle part fixedly mounted of lower bolster 12 has a plurality of springs 19, the top of a plurality of springs 19 all with the bottom fixed connection of backing plate 20, the top fixedly connected with upper cam 5 of backing plate 20, fixed arm 2 and one side fixed connection of fixed column 3 are passed through to the one end at 1 top of base, the fixed reinforcing ring 6 that is provided with in bottom of fixed column 3, the inside fixed mounting of fixed column 3 has cylinder 15, the top fixed connection of reinforcing ring 6 and upper die plate 7 is passed to the output of cylinder 15, the bottom of upper die plate 7 and the top fixed connection of lower cam 4, the other end fixed mounting at 1 top of base has switch 13, cylinder 15 passes through switch 13 and external power supply electric connection.

Preferably, the foot pads 14 are fixedly connected to corners arranged at the bottom of the base 1 to support the base 1, so that the stability of the drawing compound die is improved; a discharging plate 18 is connected to the inside of the lower male die 4 in a sliding manner, the top of the discharging plate 18 is fixedly connected with the bottom end of the movable column 17, and the movable column 17 drives the discharging plate 18 to move so as to eject out the bolt; the surface of the lower male die 4 is provided with four movable grooves 9, the insides of the four movable grooves 9 are all connected with connecting rods 16 in a sliding manner, one ends of the four connecting rods 16 are all fixedly connected with the top ends of movable columns 17, the other ends of the four connecting rods 16 are respectively fixedly connected with the four sides of the inner ring of the movable ring 8, and the movable ring 8 drives the movable columns 17 to move through the four connecting rods 16; a spring cavity is formed in the bottom of the reinforcing ring 6, a main spring 21 is fixedly arranged in the spring cavity, the spring cavity plays a role in buffering and shock absorption, and a stable force is applied to the upper die plate 7, so that the lower punch 4 moves stably; the outer lane fixedly connected with punch plate 11 at lower bolster 12 top, the top fixedly connected with blank holder 10 of punch plate 11 increases the stability of punch 5 during operation, and blank holder 10 is spacing lower punch 4 during operation, and prevents that lower punch 4 from damaging punch 5.

When the drawing compound die is used specifically, the utility model relates to a drawing compound die for bolt production, when the drawing compound die is used for processing bolts, a power switch 13 is pressed, a cylinder 15 is electrified to start working, the cylinder 15 drives an upper die plate 7 to move downwards, the upper die plate 7 drives a lower punch 4 to move towards an upper punch 5, so that the lower punch 4 drives processing parts to enter the upper punch 5 together to complete a drawing process, then the cylinder 15 works to drive the upper die plate 7 and the lower punch 4 to reset, a movable ring 8 is pressed downwards, a discharging plate 18 is driven to move downwards through four connecting rods 16 and a movable column 17, the bolts after being processed are ejected out, the processing and drawing operation of the bolts is convenient, a main spring 21 plays the role of a buffering and damping lower punch 4, a plurality of springs 19 play the role of a buffering and damping upper punch 5, the moving stability of the lower punch 4 and the upper punch 5 is improved, thereby the bolt processing stability of the drawing compound die is improved, the processing quality of the bolt is improved.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. A stretching compound die for bolt production comprises a base (1), a fixing arm (2), a fixing column (3), a lower convex die (4) and an upper convex die (5), and is characterized in that the center of the top of the base (1) is fixedly connected with a lower template (12), the middle of the lower template (12) is fixedly provided with a plurality of springs (19), the tops of the plurality of springs (19) are fixedly connected with the bottom of a backing plate (20), the top of the backing plate (20) is fixedly connected with the upper convex die (5), one end of the top of the base (1) is fixedly connected with one side of the fixing column (3) through the fixing arm (2), the bottom of the fixing column (3) is fixedly provided with a reinforcing ring (6), an air cylinder (15) is fixedly installed inside the fixing column (3), and the output end of the air cylinder (15) penetrates through the reinforcing ring (6) to be fixedly connected with the top of the upper convex die (, the bottom of the upper die plate (7) is fixedly connected with the top of the lower male die (4), the other end of the top of the base (1) is fixedly provided with a power switch (13), and the cylinder (15) is electrically connected with an external power supply through the power switch (13).

2. The drawing compound die for producing the bolt according to claim 1, wherein: the base (1) bottom establish the equal fixedly connected with callus on the sole (14) of a corner.

3. The drawing compound die for producing the bolt according to claim 1, wherein: the inner part of the lower male die (4) is connected with a discharging plate (18) in a sliding mode, and the top of the discharging plate (18) is fixedly connected with the bottom end of the movable column (17).

4. The drawing compound die for producing the bolt according to claim 3, wherein: four movable grooves (9) are formed in the surface of the lower male die (4), four connecting rods (16) are connected to the inner portions of the movable grooves (9) in a sliding mode, one ends of the four connecting rods (16) are fixedly connected with the top ends of the movable columns (17), and the other ends of the four connecting rods (16) are fixedly connected with the four sides of the inner ring of the movable ring (8) respectively.

5. The drawing compound die for producing the bolt according to claim 1, wherein: the bottom of the reinforcing ring (6) is provided with a spring cavity, and a main spring (21) is fixedly arranged in the spring cavity.

6. The drawing compound die for producing the bolt according to claim 1, wherein: the outer ring at the top of the lower template (12) is fixedly connected with a male die fixing plate (11), and the top of the male die fixing plate (11) is fixedly connected with a blank holder (10).