CN215902514U

CN215902514U - Bar traceless forming stamping die

Info

Publication number: CN215902514U
Application number: CN202121982258.8U
Authority: CN
Inventors: 高飞
Original assignee: Suzhou Junjin Power Technology Co ltd
Current assignee: Suzhou Junjin Power Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-25
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a bar traceless forming stamping die, which comprises: the top plate can be relative the bottom plate moves, a fixed seat is installed on the bottom plate, a sliding groove is formed in the fixed seat, a lower releasing plate is installed in the sliding groove in a sliding mode, an upper die which is right to the lower releasing plate and is bent is installed at the bottom of the top plate, the upper die and the lower releasing plate are both provided with positioning grooves which are matched with each other and used for clamping bars, a rotatable bending roller is installed on the fixed seat, the bars are placed on the lower releasing plate, a bending portion of the bars is made to extend to the upper portion of the bending roller in the positioning grooves. This stamping die gyro wheel of bending can take place to rotate when bending the rod, makes the frictional force that the rod received reduce greatly, can not scotch the rod, and then reaches no trace fashioned effect, promotes the product quality.

Description

Bar traceless forming stamping die

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a bar traceless forming stamping die.

Background

The stamping die is a special process equipment for processing materials into required parts in the processing process, and the dies arranged on a press are used for applying pressure to the materials to deform the materials so as to obtain the required parts.

Traditional stamping die is when being directed at circular rod bending molding, causes the scotch of rod surface easily, leads to the defective products to increase, and the disability rate is high. Meanwhile, for the same kind of products but with different sizes, a plurality of sets of dies need to be developed, so that the development period is long, and the cost is increased. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

Disclosure of Invention

The utility model aims to solve the problem of providing a bar traceless forming stamping die to overcome the defects that the surface of a bar is easy to scratch and the defective product rate is high and the same die can only be suitable for products with the same size in the existing stamping die.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a bar traceless forming stamping die comprises: the top plate can be relative the bottom plate moves, a fixed seat is installed on the bottom plate, a sliding groove is formed in the fixed seat, a lower releasing plate is installed in the sliding groove in a sliding mode, an upper die which is right to the lower releasing plate and is bent is installed at the bottom of the top plate, the upper die and the lower releasing plate are both provided with positioning grooves which are matched with each other and used for clamping bars, a rotatable bending roller is installed on the fixed seat, the bars are placed on the lower releasing plate, a bending portion of the bars is made to extend to the upper portion of the bending roller in the positioning grooves.

As a further improvement of the utility model, two sides of the fixed seat are respectively provided with a through hole which is opposite to each other, the through holes are internally provided with adjusting blocks, a rolling shaft is connected between the two adjusting blocks, and the bending rolling wheel is rotatably sleeved on the rolling shaft.

As a further improvement of the present invention, the size of the through hole is larger than that of the adjusting block, so that the adjusting block can move in the through hole, an adjusting screw is installed at the end of the fixing seat, and one end of the adjusting screw abuts against the adjusting block.

As a further improvement of the utility model, a detachable bending insert is arranged at the bending position of the bending upper die corresponding to the bar.

As a further improvement of the utility model, the bending insert is provided with a positioning bulge, the bending upper die is provided with a positioning jack, and the positioning bulge is inserted into the positioning jack along one side.

As a further improvement of the utility model, the top plate is provided with a guide post, the bottom plate is provided with a guide sleeve, the guide sleeve is slidably sleeved on the guide post, and the guide post is sleeved with a spring.

As a further improvement of the utility model, the top plate and the bottom plate are both provided with opposite stroke limiting columns.

As a further improvement of the utility model, a pressure device is connected to the lower stripping plate, and the pressure device can drive the lower stripping plate to slide in the sliding chute.

As a further improvement of the utility model, a clamping groove is arranged in the positioning groove, and the annular boss arranged on the bar is blocked in the clamping groove.

The utility model has the beneficial effects that: the utility model provides a stamping die for traceless forming of bars, wherein a rotatable bending roller is arranged on a lower stripper plate, a bending upper die moves downwards to be matched with the lower stripper plate to press the bars tightly, the bars are bent and formed through the bending roller in the downward movement process, and the bending roller rotates when bending the bars, so that the friction force borne by the bars is greatly reduced under the condition that the forming force acting on the bars is unchanged and the forming is not influenced, the bars cannot be scratched, the traceless forming effect is further achieved, the quality of products is improved, and the product percent of pass is greatly improved; when the bending lengths required for similar products are different, the positions of the adjusting blocks in the through holes can be changed directly by adjusting the adjusting screws, so that the bending rollers are adjusted to correspond to the specified bending positions of the bars, the die is not required to be disassembled, the die changing time is shortened, the rapid switching can be completed, and the production efficiency is improved; the mould of going up of bending simultaneously is provided with the detachable mold insert of bending corresponding to the rod department of bending, after the wearing and tearing appear, only need to change the mold insert of bending can, need not to change the whole mould of bending, it is convenient to change, saves the cost.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 4 is a schematic structural view of the bending roller of the present invention mounted on the fixing base;

fig. 5 is a perspective view of the bending upper die of the present invention.

The following description is made with reference to the accompanying drawings:

1-a top plate; 2-a bottom plate;

3-fixed seat; 301-a chute;

302-through hole; 4, removing the plate;

5-pressure device; 6-bending the upper die;

601-positioning groove; 6011-card slot;

602-bending the insert; 6021-positioning projection;

7-bending roller; 8-adjusting block;

9-a roller; 10-adjusting screw;

11-guide post; 12-guide sleeve;

13-spring; 14-travel limit column.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 5, the present invention provides a stamping die for seamless bar forming, including: a top plate 1 and a bottom plate 2, the top plate 1 being movable relative to the bottom plate 2. The top fixed mounting of bottom plate 2 has fixing base 3, is provided with spout 301 in the fixing base 3, and slidable mounting has size assorted lower stripper plate 4 in spout 301. The bottom of the top plate 1 is provided with an upper bending die 6 right opposite to the lower stripping plate 4, the upper bending die 6 and the lower stripping plate 4 are respectively provided with a positioning groove 601 matched with each other to clamp the bar, the fixing seat 3 is provided with a rotatable bending roller 7, and the bar is placed in the positioning groove 601 on the lower stripping plate 4 to enable the bending part to extend to the upper side of the bending roller 7.

Specifically, the fixing seat 3 is provided with a mounting groove on one side of the sliding groove 301 for accommodating the bending roller 7. Relative through-hole 302 has all been seted up to fixing base 3 both sides around the mounting groove, all installs regulating block 8 in the through-hole 302, is connected with roller bearing 9 between two regulating block 8, and bending roller 7 rotates the suit on roller bearing 9. The gyro wheel 7 of bending can take place to rotate when bending the rod, guaranteeing to be acted on the rod that forming force is unchangeable, do not influence under the fashioned situation, the frictional force that makes the rod receive reduces greatly, can not scotch the rod, and then reaches the fashioned effect of no trace, promotes the product quality, improves the product percent of pass greatly.

Preferably, referring to fig. 4, the size of through-hole 302 is greater in length than the size of adjustment block 8 so that adjustment block 8 can move within through-hole 302. The tip of fixing base 3 is seted up and is run through the screw hole to in the through-hole 302, installs adjusting screw 10 in the screw hole, and adjusting screw 10's one end is supported and is put on adjusting block 8 for fix adjusting block 8. From this setting, when the length of bending is different to the requirement of like product, can directly change regulating block 8 position in through-hole 302 through adjusting screw 10, and then make the gyro wheel 7 adjustment of bending correspond to the appointed position of bending of rod, need not demolish the mould, reduce the retooling time, can accomplish fast switch-over, improve production efficiency.

The bottom of the lower stripping plate 4 is connected with a pressure device 5, the pressure device 5 can drive the lower stripping plate 4 to slide up and down in the sliding groove 301, on one hand, upward pressure can be provided for the bar when the bar is bent, on the other hand, the bar is ejected upwards after being bent and formed, and a new bar to be processed can be placed conveniently.

Referring to fig. 1 and 2, guide posts 11 are installed at two opposite corners of the top plate 1, guide sleeves 12 are installed on the bottom plate 2, and the guide sleeves 12 are slidably sleeved on the guide posts 11 to play a role in guiding, so that the running stability of the die can be improved. The two guide posts 11 are sleeved with springs 13 for resetting the top plate 1. Meanwhile, the other two corners of the top plate 1 and the bottom plate 2 are respectively provided with a stroke limiting column 14, and the stroke limiting columns 14 are arranged up and down oppositely and used for limiting the downward moving distance of the top plate 1 and preventing the bar from being bent excessively.

Referring to fig. 5, the bending upper die 6 is provided with a detachable bending insert 602 corresponding to the bending position of the bar. The bending insert 602 is provided with a positioning protrusion 6021, the bending upper die 6 is provided with a positioning insertion hole, and the positioning protrusion 6021 is inserted into the positioning insertion hole along one side. The rod can have pressure to the bending mold insert 602 when the shaping of bending, can cause the wearing and tearing of bending mold insert 602 after using for a long time, and only need change the bending mold insert 602 this moment can, need not to change mould 6 on the whole bending, it is convenient to change, saves the cost. Bend and go up the mould 6 and all be provided with draw-in groove 6011 in the constant head tank 601 on the board 4 is taken off down, and the annular boss card that sets up on the rod keeps off in draw-in groove 6011 to realize better location to the rod, remove when avoiding bending.

The working principle of the embodiment is as follows:

the work starting stage: when the die is opened, the bar is placed in a positioning groove 601 on the lower stripper plate 4 and is positioned by a clamping groove 6011, a press machine arranged on the top plate 1 drives the top plate 1 to move downwards, the bending upper die 6 synchronously moves along with the top plate 1 and is in contact with the bar, and the lower stripper plate 4 drives the bar to apply upward pressure under the driving of the pressure device 5, so that the bar is in a pressing state;

the middle stage of the forming work: the press drives the top plate 1 to go down continuously, the bending upper die 6 and the lower stripper plate 4 apply proper pressure (can be adjusted according to requirements and material shear strength) to the bar under the action of the pressure device 5, and the bar is contacted with the bending roller 7 along with the proper pressure;

the final stage of the work: the press machine drives the top plate 1 to continue descending, the bending upper die 6 and the lower stripper plate 4 compress the bar material to synchronously descend, and in the process of descending movement, the bending roller 7 gives an upward forming force to the bar material to extrude the bar material, so that the bar material is bent and formed;

a material taking stage: the press machine, the top plate 1 and the bending upper die 6 are reset, the lower stripper plate 4 is driven by the pressure device 5 to lift upwards, and the bar is taken out.

Therefore, the rotatable bending roller is arranged on the lower stripper plate, the upper bending die moves downwards to be matched with the lower stripper plate to press the bar, the bar is bent and formed through the bending roller in the downward movement process, the bending roller rotates while bending the bar, the friction force borne by the bar is greatly reduced under the condition that the forming force acting on the bar is unchanged and the forming is not influenced, the bar is not scratched, the effect of seamless forming is further achieved, the product quality is improved, and the product percent of pass is greatly improved; when the bending lengths required for similar products are different, the positions of the adjusting blocks in the through holes can be changed directly by adjusting the adjusting screws, so that the bending rollers are adjusted to correspond to the specified bending positions of the bars, the die is not required to be disassembled, the die changing time is shortened, the rapid switching can be completed, and the production efficiency is improved; the mould of going up of bending simultaneously is provided with the detachable mold insert of bending corresponding to the rod department of bending, after the wearing and tearing appear, only need to change the mold insert of bending can, need not to change the whole mould of bending, it is convenient to change, saves the cost.

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the utility model, which can be embodied in many different forms than described herein, and therefore the utility model is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a no trace shaping stamping die of rod, includes roof (1) and bottom plate (2), roof (1) can be relative bottom plate (2) motion, its characterized in that: install fixing base (3) on bottom plate (2), be provided with spout (301) in fixing base (3), sliding installation takes off board (4) down in spout (301), roof (1) bottom install with take off board (4) down just right mould (6) of bending, bend go up mould (6) with take off all to be provided with constant head tank (601) that mutually supports the tight rod of clamp down on board (4) down, install a rotatable gyro wheel (7) of bending on fixing base (3), the rod is placed take off down on board (4) make its portion of waiting to bend extend to in constant head tank (601) bend gyro wheel (7) top.

2. The bar traceless forming stamping die of claim 1, wherein: relative through-hole (302) have all been seted up to the both sides of fixing base (3), all install regulating block (8) in through-hole (302), two be connected with roller bearing (9) between regulating block (8), bend gyro wheel (7) and rotate the suit and be in on roller bearing (9).

3. The bar traceless forming stamping die of claim 2, wherein: the size of the through hole (302) is larger than that of the adjusting block (8), so that the adjusting block (8) can move in the through hole (302), an adjusting screw rod (10) is installed at the end part of the fixing seat (3), and one end of the adjusting screw rod (10) is abutted to the adjusting block (8).

4. The bar traceless forming stamping die of claim 1, wherein: and a detachable bending insert (602) is arranged at the bending upper die (6) corresponding to the bending position of the bar.

5. The bar traceless forming stamping die according to claim 4, wherein: the bending insert (602) is provided with a positioning protrusion (6021), the bending upper die (6) is provided with a positioning insertion hole, and the positioning protrusion (6021) is inserted into the positioning insertion hole along one side.

6. The bar traceless forming stamping die of claim 1, wherein: the guide structure is characterized in that a guide post (11) is installed on the top plate (1), a guide sleeve (12) is installed on the bottom plate (2), the guide sleeve (12) is slidably sleeved on the guide post (11), and a spring (13) is sleeved on the guide post (11).

7. The bar traceless forming stamping die of claim 1, wherein: the top plate (1) and the bottom plate (2) are respectively provided with a relative stroke limit column (14).

8. The bar traceless forming stamping die of claim 1, wherein: the lower stripping plate (4) is connected with a pressure device (5), and the pressure device (5) can drive the lower stripping plate (4) to slide in the sliding groove (301).

9. The bar traceless forming stamping die of claim 1, wherein: a clamping groove (6011) is formed in the positioning groove (601), and an annular boss arranged on the rod is clamped and blocked in the clamping groove (6011).