CN210497925U

CN210497925U - Stamping die convenient to change stamping die head

Info

Publication number: CN210497925U
Application number: CN201920781422.5U
Authority: CN
Inventors: 林荣幸
Original assignee: Shanghai Dajin International Trade Co Ltd
Current assignee: Shanghai Dajin International Trade Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-05-12
Anticipated expiration: 2029-05-28

Abstract

The utility model relates to a stamping die technical field, and disclose a stamping die convenient to change stamping die head, including upper die base and die holder, bearing fixedly connected with stamping die head is passed through at the lower extreme middle part of upper die base, the inside equal fixedly connected with blank holder in both sides of upper die base, the equal fixedly connected with clamp plate in lower extreme both sides of stamping die head, the side fixedly connected with countersunk bolt of upper die base, the bottom fixedly connected with T type bolt of stamping die head, the side fixedly connected with rotating device of T type bolt, the inner wall fixedly connected with blank holder spring of blank holder, the inside fixed mounting of die holder has jack-up device. This stamping die convenient to change stamping die head uses through the cooperation of jacking device and stamping die head, and when the upper die base inserted the die holder, slowly bounce the top post through the spring sleeve, make the top post jack-up stamping die head, played certain guard action to stamping die head, was convenient for changed stamping die head.

Description

Stamping die convenient to change stamping die head

Technical Field

The utility model relates to a stamping die technical field specifically is a stamping die convenient to change stamping die head.

Background

The stamping die is a special process device for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called as a cold stamping die (commonly called as a cold stamping die), the stamping die is in a plurality of forms, the stamping die is also classified according to three aspects of working properties, die structures and die materials, at present, in the process of using the die, the die head is easily worn under the condition of not being replaced for a long time, further certain damage is caused to the stamping die, the qualification rate of products is reduced, and meanwhile, the taking process is laborious after the processing is finished, and the processing efficiency is influenced, so that the stamping die convenient for replacing the stamping die head is provided, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a stamping die convenient to change stamping die head possesses the change of being convenient for, simple structure, damages advantages such as less to the mould, has solved because some moulds are difficult to change and unable scheduling problem that uses.

(II) technical scheme

For realizing the aforesaid change of being convenient for, simple structure damages less purpose to the mould, the utility model provides a following technical scheme: a stamping die convenient for replacing a stamping die head comprises an upper die base and a lower die base, wherein the middle part of the lower end of the upper die base is fixedly connected with the stamping die head through a bearing, blank holders are fixedly connected inside two sides of the upper die base, clamping plates are fixedly connected on two sides of the lower end of the stamping die head, a countersunk bolt is fixedly connected to the side end of the upper die base, a T-shaped bolt is fixedly connected to the bottom end of the stamping die head, a rotating device is fixedly connected to the side end of the T-shaped bolt, and a blank holder spring is fixedly connected to the inner wall of each blank holder;

a jacking device is fixedly installed inside the lower die holder, a positioning plate is fixedly connected to the upper end of the lower die holder, a female die is arranged in the middle of the positioning plate, and a fixing bolt corresponding to the blank holder is fixedly connected to the top end of the lower die holder;

the rotating device comprises a handle, the middle of the handle is rotatably connected with a fixed block, the side end of the fixed block is rotatably connected with a threaded rod, the upper end of the threaded rod is rotatably connected with a movable plate, the lower end of the movable plate is slidably connected with a sliding block positioned in a sliding groove, the sliding groove is formed in the stamping die head, the right end of the movable plate is slidably connected with a movable column, and the right end of the movable column is fixedly connected with a clamping groove clamped with a T-shaped bolt;

the jacking device comprises a bottom plate fixedly connected with the bottom plate in the lower die holder, a spring sleeve is fixedly connected to the upper end of the bottom plate, a jacking column is fixedly connected to the upper portion of the spring sleeve and located right below the female die, and a round-head bolt is fixedly connected to the top end of the jacking device.

Preferably, the number of the blank holders is two, the number of the countersunk head bolts is four, and the countersunk head bolts are distributed on the upper die base and the lower die base in a group of symmetry in pairs.

Preferably, the female die is made of ball-milling cast iron and is in an inverted round table shape.

Preferably, the upper opening of the female die is equal to the diameter of the male die.

Preferably, the thread of the threaded rod is adapted to the thread of the moving plate.

Preferably, the diameter of the sliding block is smaller than that of the sliding groove, and the motion track of the sliding block is larger than the length of the threaded rod.

Preferably, the diameter of the spring sleeve is larger than the diameter of the top post.

(III) advantageous effects

Compared with the prior art, the utility model provides a stamping die convenient to change stamping die head possesses following beneficial effect:

1. this stamping die convenient to change stamping die head uses through the cooperation of jacking device and stamping die head, and when the upper die base inserted the die holder, slowly bounce the top post through the spring sleeve, make top post jack-up stamping die head, played certain guard action to stamping die head, be convenient for change stamping die head, improved the qualification rate of product.

2. This stamping die convenient to change stamping die head uses through T type bolt and rotating device's cooperation, and the handle drives the fixed block and removes, and then drives the threaded rod and rotate, slowly makes the removal post remove the inner chamber of slider to draw-in groove, makes T type bolt rotate out, finally makes the stamping die head change, is convenient for change the stamping die head, has improved certain product machining efficiency.

Drawings

FIG. 1 is a schematic structural view of a stamping die of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the rotating device of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of the jacking device of the present invention.

In the figure: 1-upper die holder, 2-clamping plate, 3-blank holder, 4-stamping die head, 5-countersunk head bolt, 6-T-shaped bolt, 7-rotating device, 701-handle, 702-fixed block, 703-threaded rod, 704-moving plate, 705-sliding groove, 706-sliding block, 707-moving column, 708-clamping groove, 8-lower die holder, 9-jacking device, 901-bottom plate, 902-spring sleeve, 903-top column, 904-round head bolt, 10-concave die, 11-positioning plate, 12-fixed bolt and 13-blank holder 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. 1-3, a stamping die convenient for replacing a stamping die head comprises an upper die holder 1 and a lower die holder 8, wherein the stamping die head 4 is fixedly connected to the middle of the lower end of the upper die holder 1 through a bearing, two blank holders 3 are fixedly connected to the inner parts of two sides of the upper die holder 1, the number of the blank holders 3 is two, the number of countersunk bolts 5 is four, the countersunk head bolts 5 are symmetrically distributed on the upper die holder 1 and the lower die holder 8 in pairs, the blank holder 3 has certain pressure to enable the upper die holder 1 to slowly jack up, the two sides of the lower end of the stamping die head 4 are fixedly connected with the clamping plates 2, the clamping plates 2 can be used for safely enabling the die holders to be matched with the lower die holder 8, the side end of the upper die holder 1 is fixedly connected with the countersunk head bolts 5, the bottom end of the stamping die head 4 is fixedly connected with the T-shaped bolt 6, the side end of the T-shaped bolt 6 is fixedly connected with the rotating device 7, and the inner wall of the blank holder 3 is fixedly connected with the blank holder spring;

the jacking device 9 is fixedly installed inside the lower die holder 8, the positioning plate 11 is fixedly connected to the upper end of the lower die holder 8, the female die 10 is arranged in the middle of the positioning plate 11, the female die 10 is made of ball-milled cast iron, the female die 10 is in an inverted circular truncated cone shape, the inverted circular truncated cone shape of the female die 10 enables the male dies to be matched, the upper opening of the female die 10 is equal to the diameter of the male die, the diameter of the male die is equal to the diameter of the female die 10, the top end of the lower die holder 8 is fixedly connected with the fixing bolt 12 corresponding to the blank holder 3, the blank holder 3 can be connected with the fixing bolt 12 in the downward pressing process, and the effect that the upper die;

the rotating device 7 comprises a handle 701, the middle of the handle 701 is rotatably connected with a fixed block 702, the side end of the fixed block 702 is rotatably connected with a threaded rod 703, the thread of the threaded rod 703 is matched with the thread of a moving plate 704, the threaded rod 703 can drive the moving plate 704 to move, the upper end of the threaded rod 703 is rotatably connected with the moving plate 704, the moving plate 704 can drive a sliding block 706 to slide, the lower end of the moving plate 704 is slidably connected with a sliding block 706 positioned in a sliding groove 705, the sliding block 706 can slowly and stably move in the sliding groove 705, the diameter of the sliding block 706 is smaller than that of the sliding groove 705, the movement track of the sliding block 706 is larger than the length of the threaded rod 703, the sliding groove 705 is formed in the stamping die head 4, the right end of the moving plate 704 is;

jacking device 9 includes bottom plate 901 with bottom plate fixed connection in lower bolster 8, the upper end fixedly connected with spring sleeve 902 of bottom plate 901, spring sleeve 902 have certain elasticity can slowly jack-up top post 903, the diameter of spring sleeve 902 is greater than the diameter of top post 903, the upper portion fixedly connected with of spring sleeve 902 is located top post 903 under die 10, jacking device 9's top fixedly connected with button head bolt 904.

The working principle is as follows: when the upper die holder 1 is inserted into the lower die holder 8, the stamping die head 4 is slowly inserted into the sleeve rod, then the spring sleeve 902 has a certain pressure, the top column 903 is jacked up, the stamping die head 4 is slowly bounced, the handle 701 is rotated, the handle 701 drives the fixed block 702 to rotate, the fixed block 702 drives the threaded rod 703 to start rotating, the threaded rod 703 drives the moving column 707 to move, the moving column 707 drives the sliding block 706 to start sliding in the inner cavity of the sliding groove 705, and finally the moving column 707 extends out of the inner cavity of the clamping groove 708, so that the T-shaped bolt 6 rotates out.

In summary, according to the stamping die convenient for replacing the stamping die head 4, the jacking device 9 is used in cooperation with the stamping die head 4, when the upper die holder 1 is inserted into the lower die holder 8, the jacking column 903 is slowly jacked up through the spring sleeve 902, the jacking column 903 jacks up the stamping die head 4, a certain protection effect is achieved on the stamping die head 4, the handle 701 drives the fixing block 702 to move through the cooperation of the T-shaped bolt 6 and the rotating device 7, the threaded rod 703 is further driven to rotate, the moving column 707 is slowly driven to move the sliding block 706 to the inner cavity of the clamping groove 708, the T-shaped bolt 6 is rotated out, the stamping die head 4 is finally replaced, and the advantage of the stamping die head 4 is convenient to replace.

It is to 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 such actual relationship or order between such entities or operations, furthermore, 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 also includes other elements not expressly listed or inherent to such process, method, article, or apparatus, without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a stamping die convenient to change stamping die head, includes upper die base (1) and die holder (8), its characterized in that: the stamping die comprises an upper die holder (1), a stamping die head (4) and a blank holder (3), wherein the middle part of the lower end of the upper die holder (1) is fixedly connected with the stamping die head (4) through a bearing, the insides of two sides of the upper die holder (1) are fixedly connected with the blank holder (3), two sides of the lower end of the stamping die head (4) are fixedly connected with a clamping plate (2), the side end of the upper die holder (1) is fixedly connected with a countersunk bolt (5), the bottom end of the stamping die head (4) is fixedly connected with a T-shaped bolt (6), the side end of the T-shaped bolt (6) is fixedly connected with a rotating device (7);

a jacking device (9) is fixedly installed inside the lower die holder (8), a positioning plate (11) is fixedly connected to the upper end of the lower die holder (8), a female die (10) is arranged in the middle of the positioning plate (11), and a fixing bolt (12) corresponding to the blank holder (3) is fixedly connected to the top end of the lower die holder (8);

the rotating device (7) comprises a handle (701), the middle of the handle (701) is rotatably connected with a fixed block (702), the side end of the fixed block (702) is rotatably connected with a threaded rod (703), the upper end of the threaded rod (703) is rotatably connected with a movable plate (704), the lower end of the movable plate (704) is slidably connected with a sliding block (706) positioned in a sliding groove (705), the sliding groove (705) is formed in the stamping die head (4), the right end of the movable plate (704) is slidably connected with a movable column (707), and the right end of the movable column (707) is fixedly connected with a clamping groove (708) clamped with the T-shaped bolt (6);

the jacking device (9) comprises a bottom plate (901) fixedly connected with the bottom plate in the lower die holder (8), a spring sleeve (902) is fixedly connected to the upper end of the bottom plate (901), a jacking column (903) located right below the female die (10) is fixedly connected to the upper portion of the spring sleeve (902), and a round-head bolt (904) is fixedly connected to the top end of the jacking device (9).

2. A stamping die for facilitating replacement of a stamping die head as claimed in claim 1, wherein: the number of the blank holders (3) is two, the number of the countersunk head bolts (5) is four, and the countersunk head bolts (5) are distributed on the upper die base (1) and the lower die base (8) in a group of symmetry mode in pairs.

3. A stamping die for facilitating replacement of a stamping die head as claimed in claim 1, wherein: the female die (10) is made of ball-milling cast iron, and the female die (10) is in an inverted round table shape.

4. A stamping die for facilitating replacement of a stamping die head as claimed in claim 1, wherein: the diameter of the upper opening of the female die (10) is equal to that of the male die.

5. A stamping die for facilitating replacement of a stamping die head as claimed in claim 1, wherein: the thread of the threaded rod (703) is matched with the thread of the moving plate (704).

6. A stamping die for facilitating replacement of a stamping die head as claimed in claim 1, wherein: the diameter of the sliding block (706) is smaller than that of the sliding groove (705), and the motion track of the sliding block (706) is larger than the length of the threaded rod (703).

7. A stamping die for facilitating replacement of a stamping die head as claimed in claim 1, wherein: the diameter of the spring sleeve (902) is larger than the diameter of the top post (903).