CN218798636U

CN218798636U - Quick clamping device of mould on bender

Info

Publication number: CN218798636U
Application number: CN202222339509.1U
Authority: CN
Inventors: 庄毅敏
Original assignee: Wuxi Tianjun Machinery Equipment Co ltd
Current assignee: Wuxi Tianjun Machinery Equipment Co ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2023-04-07
Anticipated expiration: 2032-09-03

Abstract

The utility model discloses a quick clamping device of mould on bender, including back plate, front bezel and jam plate, the front bezel sets up in the back plate before, the jam plate sets up in the front bezel, the regulating block is installed to the back plate terminal surface, and the regulating block is connected through two bolts one with the front bezel, jam plate, front bezel and back plate are connected through two bolts two, two bolt outside covers of bolt are equipped with compression spring, compression spring acts on between jam plate and the back plate through-hole that passes through the front bezel, be equipped with the handle groove on the jam plate, the eccentric handle is installed to the handle inslot, the eccentric handle bottom is equipped with the cam, the front bezel has seted up logical groove on cutting vertical center line, it all is equipped with the round pin shaft hole to lead to the groove both sides, the interpolation in the round pin shaft hole is equipped with round pin axle one, round pin shaft outside cover is equipped with the axle sleeve. The utility model discloses simple structure has reduced staff's intensity of labour, has increased the life of this device simultaneously, and the practicality is strong.

Description

Quick clamping device of mould on bender

Technical Field

The utility model relates to a bender technical field specifically is a quick clamping device of mould on bender.

Background

The bending machine upper die clamping device is widely applied to various bending machines, is a connecting device of the bending machine and a bending die, and is installed on the bending machine to be used for clamping and bending an upper die. The bending upper dies are arranged between the lock plate and the rear plate, a certain number of clamping devices are usually fixed on each bending machine, the clamping devices with the number corresponding to the length of the upper dies are selected, and the upper dies are arranged on the clamping devices.

In the prior art, when the eccentric handle is opened or closed, the cam of the eccentric handle and the front plate rub to generate friction force, in the process of upper die (closing and opening of the eccentric handle), the existing mode needs 16-21kg of force to completely push the eccentric handle to the lowermost end to lock the bending die, and similarly, the same force is needed to pull up the eccentric handle from the lowermost end to open the eccentric handle when the die is replaced. When the mold is replaced to adjust the position of the mold, the handle needs to be opened and closed repeatedly for several times to adjust the position, and the labor intensity of hands of workers is high; secondly, in the processes of upper and lower dies and debugging, the cam of the eccentric handle repeatedly generates pressing force for locking the die downwards in the friction with the front plate, and because the cam of the eccentric handle is subjected to thermal refining treatment, and the friction surface of the front plate and the cam of the eccentric handle is not subjected to thermal refining treatment, the surface of the front plate can be abraded, and the front plate cannot be used when the front plate is abraded to a certain degree, so that the service life of the clamping device is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a quick clamping device of mould on bender.

In order to solve the above problem, the technical scheme of the utility model is that: the utility model provides a quick clamping device of mould on bender, includes back plate, front bezel and jam plate, the front bezel sets up in the back plate in front, the jam plate sets up in the front in front, the regulating block is installed to the back plate terminal surface, and the regulating block is connected through two bolts one with the front bezel, jam plate, front bezel and back plate are connected through two bolts two, two bolt outside covers of bolt are equipped with compression spring, compression spring acts on between jam plate and the back plate through the through-hole of front bezel, be equipped with the handle groove on the jam plate, the eccentric handle is installed to the handle inslot, eccentric handle bottom is equipped with the cam, logical groove has been seted up on the central line of front bezel, it all is equipped with the round pin axle hole all to lead to the groove both sides, the interpolation in round pin axle hole is equipped with round pin axle one, a round pin axle outside cover is equipped with the axle sleeve.

Furthermore, the front plate is positioned between the rear plate and the lock plate, and the bottom edge of the front plate retracts upwards.

Furthermore, the back plate, the front plate and the locking plate are arranged in a staggered mode.

Furthermore, a cam at the bottom of the eccentric handle is arranged on the locking plate through a second pin shaft at the inner end of a handle groove.

Further, the first pin shaft is fixed on the front plate through a pin shaft hole.

Furthermore, the shaft sleeve is abutted against the cam at the bottom of the eccentric handle, and the first pin shaft and the center line of the cam at the bottom of the eccentric handle are on the same plane and are parallel.

Furthermore, the cam at the bottom of the eccentric handle, the shaft sleeve and the first pin shaft are subjected to quenching and tempering, and the shaft sleeve can rotate on the first pin shaft.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses when pushing down or opening eccentric handle to the power of making progress, eccentric handle's cam and axle sleeve contact, can produce frictional force, frictional force also can be along with pressing from both sides tight working space's change and grow and diminish, because the axle sleeve can rotate on round pin axle one under the frictional force effect, and then make frictional force diminish for the frictional force among the prior art, as long as can push eccentric handle to dead mould of bending of bottom lock completely with 4-8kg power, for the power that prior art needs 16-21kg, staff's intensity of labour has been reduced, especially when changing the mould, adjust the mould; because the cam of the eccentric handle, the shaft sleeve and the first pin shaft are subjected to thermal refining treatment, and the shaft sleeve can rotate on the first pin shaft, the service life of the device can be prolonged. The utility model discloses simple structure has reduced staff's intensity of labour, has increased the life of this device simultaneously, and the practicality is strong.

Drawings

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

Fig. 2 is a partially exploded view of the present invention.

As shown in the figure: 1. a rear plate; 2. a front plate; 3. a locking plate; 4. a regulating block; 5. a compression spring; 6. an eccentric handle; 7. a through groove; 8. a pin shaft hole; 9. a first pin shaft; 10. a shaft sleeve.

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 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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1-2, a quick clamping device of mould on bender, including back plate 1, front bezel 2 and jam plate 3, front bezel 2 sets up in back plate 1 preceding, jam plate 3 sets up in front of front bezel 2, regulating block 4 is installed to 1 end face of back plate, regulating block 4 is connected through two bolts one with front bezel 2, jam plate 3, front bezel 2 and back plate 1 are connected through two bolts two phases, two bolt outside covers are equipped with compression spring 5, compression spring 5 acts on between jam plate 3 and back plate 1 through the through-hole of front bezel 2, be equipped with the handle groove on the jam plate 3, eccentric handle 6 is installed to the handle inslot, eccentric handle 6 bottom is equipped with the cam, logical groove 7 has been seted up on the central line of front bezel 2, logical groove 7 both sides all are equipped with round pin shaft hole 8, round pin shaft hole 8 interpolation is equipped with round pin axle one 9, round pin axle one 9 outside axle sleeve 10.

The front plate 2 is located between the rear plate 1 and the locking plate 3, and the base end of the front plate is retracted upwards, the rear plate 1, the front plate 2 and the locking plate 3 are arranged in a staggered mode, a cam at the bottom of the eccentric handle 6 is installed on the locking plate 3 through a second pin shaft at the inner end of the handle groove, a first pin shaft 9 is fixed on the front plate 2 through a pin shaft hole 8, a shaft sleeve 10 is abutted to a cam at the bottom of the eccentric handle 6, the central lines of the first pin shaft 9 and the cam at the bottom of the eccentric handle 6 are in the same plane and parallel, the cam at the bottom of the eccentric handle 6 and the shaft sleeve 10, the first pin shaft 9 is subjected to thermal refining treatment, and the shaft sleeve 10 can rotate on the first pin shaft 9.

In the specific use, after an upper die of a bending machine is inserted into a clamping working space, an eccentric handle 6 is closed downwards, a cam of the eccentric handle 6 is in surface contact with a front plate 2, when the eccentric handle 6 is pressed on the surface of the front plate 2, through a lever principle, a locking plate 3 is pressed and fixed on the upper die in the clamping working space, when the eccentric handle 6 is pressed downwards or opened upwards, the cam of the eccentric handle 6 is in contact with a shaft sleeve 10, friction force can be generated, the friction force can be increased and decreased along with the change of the clamping working space, as the shaft sleeve 10 can rotate on a pin shaft I9 under the action of the friction force, the friction force is decreased relative to that in the prior art, in the process of die installation (closing and opening of the handle), the eccentric handle 6 can be completely pushed to a bending die with the lowest end locking by using the force of 4-8kg, and similarly, the eccentric handle 6 can be pulled up from the lowest end to open under the same force when the die is replaced, so that the labor intensity of workers is reduced, particularly when the die is replaced and the die is adjusted; because the cam of the eccentric handle 6, the shaft sleeve 10 and the first pin shaft 9 are subjected to thermal refining treatment, and the shaft sleeve 10 can rotate on the first pin shaft 9, namely the contact position of the cam of the eccentric handle 6 and the shaft sleeve 11 can be changed, the structure can prolong the service life of the device.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a quick clamping device of mould on bender which characterized in that: including back plate (1), front bezel (2) and jam plate (3), front bezel (2) set up in back plate (1) preceding, jam plate (3) set up in front bezel (2) preceding, regulating block (4) are installed to back plate (1) terminal surface, and regulating block (4) are connected through two bolts one with front bezel (2), jam plate (3), front bezel (2) and back plate (1) are connected through two bolts two, two bolt outside covers are equipped with compression spring (5), compression spring (5) act on between jam plate (3) and back plate (1) through the through-hole of front bezel (2), be equipped with the handle groove on jam plate (3), install eccentric handle (6) in the handle groove, eccentric handle (6) bottom is equipped with the cam, logical groove (7) have been seted up on the central line of front bezel (2), logical groove (7) both sides all are equipped with round pin hole (8), the interpolation is equipped with one (9) in shaft hole (8), and is equipped with round pin axle sleeve (9) outside axle sleeve (10).

2. The quick clamping device for the upper die of the bending machine according to claim 1, characterized in that: the front plate (2) is positioned between the rear plate (1) and the lock plate (3), and the bottom edge of the front plate retracts upwards.

3. The quick clamping device for the upper die of the bending machine according to claim 1, characterized in that: the rear plate (1), the front plate (2) and the lock plate (3) are arranged in a staggered mode.

4. The quick clamping device for the upper die of the bending machine according to claim 1, characterized in that: and a cam at the bottom of the eccentric handle (6) is arranged on the locking plate (3) through a second pin shaft at the inner end of a handle groove.

5. The quick clamping device for the upper die of the bending machine according to claim 1, characterized in that: the first pin shaft (9) is fixed on the front plate (2) through a pin shaft hole (8).

6. The quick clamping device for the upper die of the bending machine, according to claim 1, is characterized in that: the shaft sleeve (10) is abutted against the cam at the bottom of the eccentric handle (6), and the first pin shaft (9) and the center line of the cam at the bottom of the eccentric handle (6) are in the same plane and parallel.

7. The quick clamping device for the upper die of the bending machine according to claim 1, characterized in that: the cam at the bottom of the eccentric handle (6), the shaft sleeve (10) and the first pin shaft (9) are subjected to thermal refining, and the shaft sleeve (10) can rotate on the first pin shaft (9).