CN219335860U

CN219335860U - Chain plate stamping die

Info

Publication number: CN219335860U
Application number: CN202320464306.7U
Authority: CN
Inventors: 郭杭锋; 章进勇; 夏玲娜; 陈寿健
Original assignee: Zhejiang Evergreen Transmission Technology Co ltd
Current assignee: Zhejiang Evergreen Transmission Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-14
Anticipated expiration: 2033-03-13

Abstract

The utility model provides a chain plate stamping die, which comprises a female die and a punch holder, wherein a guide plate and a space for carrying chain plate plates in a progressive mode are arranged between the female die and the punch holder, more than two punching pins, more than two chain plate punches and a burr stamping device are arranged on the punch holder, the burr stamping device comprises a first punch and a third punch which are longitudinally and symmetrically arranged, and a second punch arranged between the first punch and the third punch, two circular arcs are respectively arranged on one side of the first punch opposite to the third punch, the second punch is an inward-sinking circular-corner rectangle, the inward-sinking circular corners on two sides of the second punch are respectively symmetrical with the circular arcs of the first punch and the third punch, the circular arcs are 90-degree circular arcs, and more than two hole forming grooves, chain plate grooves and punch grooves which are mutually matched with the punch holder are arranged on the female die. According to the utility model, burrs generated after the first stamping forming of the chain plate are subjected to secondary stamping through the burr stamping device, so that the product quality and the production efficiency are improved.

Description

Chain plate stamping die

Technical Field

The utility model belongs to the technical field of chain manufacturing, and particularly relates to a chain plate stamping die.

Background

The chain is an important part in mechanical transmission, and is generally composed of chain plates, chain pins, shaft sleeves and the like, wherein the chain plates are generally formed by manually feeding plates into a stamping die for stamping, and chain plate holes are synchronously stamped during stamping in the existing chain manufacturing process.

The Chinese patent No. 201320306847.3 discloses a scrap-free chain plate progressive stamping die, which comprises a female die, wherein a plurality of chain plate grooves which are obliquely arranged relative to the chain plate progressive conveying direction are formed in the female die, a plurality of chain plate punches which are obliquely arranged relative to the chain plate progressive conveying direction are arranged on a punch seat, the shapes of the chain plate grooves and the chain plate punches are the same, and the arc-shaped sections of the waist of the chain plate punches are the same as the arc-shaped sections of the end parts of the chain plate punches. The stamping die realizes no overlap between the chain plates through the structure of the chain plate punch, but does not mention the shape of the size of the chain plate hole, the chain plates are formed by one-step stamping, burrs are formed on the arc edges of the chain plates, the chain plates are required to be subjected to secondary processing and deburring, the labor burden is increased, and the production efficiency is low.

Disclosure of Invention

The chain plate stamping die is simple in structure, high in automation degree and capable of removing burrs.

The utility model provides a link joint stamping die, includes die and punch holder, be equipped with the deflector between die and the punch holder and supply the space that link joint panel upgrades and carries, be equipped with the pin that punches a hole more than two, link joint punch and burr stamping device on the punch holder, burr stamping device includes first drift and the third drift that longitudinal symmetry set up to and locate the second drift between first drift and the third drift, the relative one side of first drift and third drift is equipped with two circular arcs respectively, the second drift is the fillet rectangle of invagination, the invagination fillet of second drift both sides is symmetrical each other with the circular arc of first drift, third drift respectively, the circular arc is 90 circular arcs, be equipped with on the die more than two pore-forming groove, link joint groove and the punch groove of mutually supporting with the punch holder.

The punching pin comprises a first punching pin and a second punching pin, the first punching pin and the second punching pin are cylindrical, the diameter of the first punching pin is larger than that of the second punching pin, and the first punching pin and the second punching pin are sequentially arranged and are arranged in parallel.

The chain plate punch is rectangular, arc sections are arranged at two ends of the chain plate punch, the radius of each arc section is identical to that of the arc of the first punch, and the chain plate punch is vertically arranged.

The hole forming grooves comprise a first hole forming groove and a second hole forming groove, the first hole forming groove is matched with the first punching pin, and the second hole forming groove is matched with the second punching pin.

The punch grooves comprise a first punch groove, a second punch groove and a third punch groove, and the shapes and the positions of the first punch groove, the second punch groove and the third punch groove are the same as those of the first punch, the second punch and the third punch respectively and correspond to the first punch, the second punch and the third punch.

The slotting structure of the guide plate is the same as that of the female die.

The female die, the punch holder and the guide plate are rectangular.

The utility model has the technical effects that:

1. through the structure of the punching pin and the hole forming groove, the chain plate is divided into two hole centers with different diameters, and the assembly efficiency is improved.

2. Through the mutual matching of the chain plate punch and the chain plate groove, no overlap edge exists between the chain plates, and the utilization rate of the plate is improved.

3. Through the cooperation of burr stamping device and drift groove, carry out the secondary punching press after link joint first stamping forming for link joint circular arc department edge is smoother, has reduced operating time, has improved production efficiency and product quality.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic top view of a punch holder of the present utility model;

FIG. 2 is a schematic diagram of a top view of the female die of the present utility model;

FIG. 3 is a schematic top view of the guide plate of the present utility model;

fig. 4 is a schematic view of the structure of the punched plate material of the link plate of the present utility model.

In the figure: 1. a female die; 2. a punch holder; 3. a guide plate; 4. a chain plate material; 11. a first perforated slot; 12. a second perforated groove; 13. a link plate groove; 14. a first punch groove; 15. a second punch groove; 16. a third punch slot; 21. a first punch pin; 22. a second punch pin; 23. chain plate punch heads; 24. a first punch holder; 25. a second punch holder; 26, a third punch holder.

Description of the embodiments

The technical scheme of the patent is further described in detail below with reference to the specific embodiments of fig. 1-4.

The utility model provides a link joint stamping die, including die 1 and punch holder 2, be equipped with deflector 3 between die 1 and the punch holder 2, and supply the space that 4 upgrades of link joint panel carried, be equipped with the punching pin of more than two on the punch holder 2, link joint punch 13 and burr stamping device more than two, the burr stamping device includes the first punch 24 and the third punch 26 of longitudinal symmetry setting, and locate the second punch 25 between first punch 24 and the third punch 26, the opposite side of first punch 24 and third punch 26 is equipped with two circular arcs respectively, second punch 25 is the fillet rectangle that sinks, the fillet that sinks of second punch both sides is symmetrical with the circular arc of first punch, third punch respectively, the circular arc is 90 circular arcs, be equipped with on the die 2 more than two pore-forming grooves with punch holder 2 mutually supporting, link joint groove 23 and punch groove.

The punching pins comprise a first punching pin 21 and a second punching pin 22, the first punching pin 21 and the second punching pin 22 are cylindrical, the diameter of the first punching pin 21 is larger than that of the second punching pin 22, and the first punching pin 21 and the second punching pin 22 are sequentially arranged and parallel.

The chain plate punch 13 is rectangular, arc sections are arranged at two ends of the chain plate punch 13, the radius of each arc section is identical to that of the first punch 24, and the chain plate punch 13 is vertically arranged.

The hole forming grooves include a first hole forming groove 11 and a second hole forming groove 12, the first hole forming groove 11 being fitted with a first punching pin 21, the second hole forming groove 12 being fitted with a second punching pin 22.

The punch grooves include a first punch groove 14, a second punch groove 15, and a third punch groove 16, and the first punch groove 14, the second punch groove 15, and the third punch groove 16 are identical and correspond in shape and position to the first punch 24, the second punch 25, and the third punch 26, respectively.

The grooving structure of the guide plate 3 is the same as that of the female die 1.

The female die 1, the punch holder 2 and the guide plate 3 are rectangular.

The working principle of the utility model is as follows: the guide plate 3 and the chain plate 4 are placed between the female die 1 and the punch holder 2, the motor drives the first punching pin 21 and the second punching pin 22 to be matched with the first slotted hole 11 and the second slotted hole 12, the chain plate 4 is punched into two hole centers with different diameters which are sequentially arranged, the chain plate 4 is subjected to secondary punching through the matching between the chain plate punch 23 and the chain plate groove 13, the chain plate shape without overlapping edges which are sequentially arranged is formed, and finally, the first punch, the second punch and the third punch are matched with the first punch groove, the second punch groove and the third punch groove, the right half of the chain plate formed by the first punching is subjected to secondary punching, and the left half of the chain plate formed by the first punching is subjected to secondary punching, so that the edge of the chain plate is smoother, secondary processing is not needed, the production cost is reduced, and the working efficiency and the product quality are improved.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a link joint stamping die, includes die (1) and drift seat (2), be equipped with deflector (3) between die (1) and drift seat (2) and supply link joint panel (4) to upgrade the space of carrying, its characterized in that: the novel punching die is characterized in that more than two punching pins, more than two chain plate punches (13) and a burr punching device are arranged on the punch base (2), the burr punching device comprises a first punch (24) and a third punch (26) which are longitudinally and symmetrically arranged, and a second punch (25) arranged between the first punch (24) and the third punch (26), two circular arcs are respectively arranged on one side, opposite to the first punch (24) and the third punch (26), of the second punch, the second punch (25) is an inward-sinking circular-corner rectangle, inward-sinking circular corners on two sides of the second punch are respectively symmetrical to the circular arcs of the first punch and the third punch, the circular arcs are 90-degree circular arcs, and more than two hole forming grooves, chain plate grooves (23) and punch grooves which are mutually matched with the punch base (2) are arranged on the female die (1).

2. The link plate stamping die according to claim 1, wherein: the punching pin comprises a first punching pin (21) and a second punching pin (22), the first punching pin (21) and the second punching pin (22) are cylindrical, the diameter of the first punching pin (21) is larger than that of the second punching pin (22), and the first punching pin (21) and the second punching pin (22) are sequentially arranged and arranged in parallel.

3. The link plate stamping die according to claim 1, wherein: the chain plate punch (13) is rectangular, arc sections are arranged at two ends of the chain plate punch, the radius of each arc section is identical to that of the arc of the first punch (24), and the chain plate punch (13) is vertically arranged.

4. The link plate stamping die according to claim 1, wherein: the hole forming grooves comprise a first hole forming groove (11) and a second hole forming groove (12), the first hole forming groove (11) is matched with a first punching pin (21), and the second hole forming groove (12) is matched with a second punching pin (22).

5. The link plate stamping die according to claim 1, wherein: the punch grooves comprise a first punch groove (14), a second punch groove (15) and a third punch groove (16), and the shapes and positions of the first punch groove (14), the second punch groove (15) and the third punch groove (16) are the same as and correspond to those of the first punch (24), the second punch (25) and the third punch (26) respectively.

6. The link plate stamping die according to claim 1, wherein: the slotting structure of the guide plate (3) is the same as that of the female die (1).

7. The link plate stamping die according to claim 1, wherein: the female die (1), the punch holder (2) and the guide plate (3) are rectangular.