CN213469278U

CN213469278U - Stretching device

Info

Publication number: CN213469278U
Application number: CN202021301935.0U
Authority: CN
Inventors: 文杰锋; 彭杰; 秦家政
Original assignee: Quanyi Technology Foshan Co ltd
Current assignee: Quanyi Technology Foshan Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-06-18
Anticipated expiration: 2030-07-06

Abstract

A stretching device is used for stretching a workpiece placed on the stretching device and comprises an upper die, a lower die, a supporting block and a driving block, wherein the upper die is matched with the lower die to bear the workpiece, the supporting block is arranged on the upper die and used for supporting the upper die, the driving block is arranged on the lower die, and the driving block is used for separating the upper die from the lower die so as to stretch the workpiece borne on the upper die. Above-mentioned stretching device is through setting up the supporting shoe on last mould to set up the drive block on the lower mould, through exerting drive power to the drive block, make and go up mould and lower mould separation, thereby will go up the mould and stretch with the work piece that bears on the lower mould, thereby realized the drawing to the work piece fast, simple structure, convenient operation has improved tensile efficiency.

Description

Stretching device

Technical Field

The utility model relates to a stretching device.

Background

The workpiece sometimes needs to be stretched in the machining process so as to correct certain appearance size problems of the workpiece, the existing stretching mechanism comprises a feeding mechanism for bearing a product and a matching mechanism for converting an external source driving force and applying the external source driving force to the feeding mechanism, the vertical driving force is converted into a horizontal driving force by utilizing an inclined block mechanism so as to realize stretching action, more parts are needed, the cost is higher, the feeding mechanism can only bear the product, and the efficiency is not high.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a stretching apparatus to solve the above problems.

The embodiment of the application provides a stretching device for the work piece of placing on it is tensile, including last mould, lower mould, supporting shoe and drive block, go up the mould with the lower mould cooperation is in order to bear the work piece, the supporting shoe is located go up the mould on and be used for the support go up the mould, the drive block is located on the lower mould, the drive block is used for making thereby go up the mould with the lower mould separation will be born on it the work piece is tensile.

Further, in some embodiments of the present application, an upper bearing block is disposed on a side surface of the upper die close to the lower die, a lower bearing block is disposed on a side surface of the lower die opposite to the upper bearing block, and the upper bearing block and the lower bearing block are matched to bear the workpiece.

Further, in some embodiments of the present application, the support block is disposed on a surface of the upper die facing the lower die.

Further, in some embodiments of the present application, the support blocks include two first support blocks and two second support blocks, the two first support blocks are respectively disposed at two opposite ends of the upper die, the lower die is disposed between the two first support blocks, the lower die is provided with a support hole, and the second support block is disposed in a middle portion of the upper die and disposed in the support hole.

Further, in some embodiments of this application, the drive block is located the lower mould orientation go up on the one side of mould, go up the mould and be equipped with the drive hole relatively the drive block, the drive block wears to establish the drive hole and wears out.

Further, in some embodiments of the present application, the stretching device further includes a positioning pin, the upper die is further provided with an upper positioning hole, the lower die is further provided with a lower positioning hole opposite to the upper positioning hole, and the positioning pin is partially inserted into the upper positioning hole and partially inserted into the lower positioning hole.

Further, in some embodiments of the present application, the stretching device further includes a reset mechanism, the reset mechanism is disposed on the upper die and the lower die, and the reset mechanism is configured to reset the upper die and the lower die.

Further, in some embodiments of this application, canceling release mechanical system includes mounting and elastic component, the lower mould is equipped with the reset hole, it is relative to go up the mould the reset hole is equipped with the fixed orifices, the mounting wears to establish the reset hole is located in the fixed orifices, the elastic component cover is located on the mounting, and one end supports and holds the lower mould, and the other end supports and holds the mounting is kept away from the one end of going up the mould.

Further, in some embodiments of the present application, the stretching device further includes a limiting member, the limiting member is disposed on the upper die, and the limiting member is used for limiting the loaded workpiece.

Further, in some embodiments of the present application, the limiting member includes two fixing portions and a pressing portion, the two fixing portions are respectively disposed on the upper mold, the pressing portion is connected to the two fixing portions, and the pressing portion can press the workpiece on the upper mold and the lower mold.

Above-mentioned stretching device is through setting up the supporting shoe on last mould to set up the drive block on the lower mould, through exerting drive power to the drive block, make and go up mould and lower mould separation, thereby will go up the mould and stretch with the work piece that bears on the lower mould, thereby realized the drawing to the work piece fast, simple structure, convenient operation has improved tensile efficiency.

Drawings

Fig. 1 is a perspective view of a stretching apparatus according to an embodiment of the present invention.

Fig. 2 is a partially exploded perspective view of the stretching assembly shown in fig. 1.

Fig. 3 is a cross-sectional view of the stretching assembly shown in fig. 1 taken along III-III.

Description of the main elements

Stretching device 100

Upper die 10

Upper bearing block 11

Drive aperture 12

Upper positioning hole 13

Fixing hole 14

Lower die 20

Lower bearing block 21

Support hole 22

Lower positioning hole 23

Reset hole 24

Butting hole 241

Through-hole 242

Supporting block 30

First support block 31

Second support block 32

Drive block 40

Positioning pin 50

Reset mechanism 60

Fixing member 61

Elastic member 62

Position limiting member 70

Fixed part 71

Pressing part 72

Workpiece 200

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

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.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Embodiments of the present application will be further described with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present invention provides a stretching apparatus 100 for stretching a workpiece 200 placed thereon. The stretching device 100 includes an upper die 10, a lower die 20, a supporting block 30, a driving block 40, a positioning pin 50, a reset mechanism 60, and a limiting member 70. The upper die 10 cooperates with the lower die 20 to carry a workpiece 200. The supporting block 30 is provided on the upper die 10. The supporting block 30 is used to support the upper die 10. The driving block 40 is provided on the lower mold 20. The driving block 40 is used to receive a driving force to separate the upper die 10 from the lower die 20 so as to stretch the workpiece 200 carried thereon. The positioning pins 50 are inserted into the upper mold 10 and the lower mold 20. The positioning pins 50 are used to position the relative positions of the upper and lower dies 10 and 20 so that the upper and lower dies 10 and 20 can be precisely fitted. The return mechanism 60 is provided on the upper die 10 and the lower die 20. The return mechanism 60 is used to return the upper die 10 and the lower die 20 so as to carry the workpiece 200. The stopper 70 is provided on the upper die 10. The stopper 70 is used to limit the workpiece 200 supported on the upper die 10 and the lower die 20, and prevent the workpiece from falling off during stretching.

Specifically, the upper die 10 is provided with an upper bearing block 11 on the side surface thereof adjacent to the lower die 20. The lower die 20 is provided with a lower bearing block 21 on the side opposite to the upper bearing block 11. The upper bearing block 11 cooperates with the lower bearing block 21 to bear the workpiece 200.

In some embodiments, the arrangement of the placement platform formed by the combination of the upper bearing block 11 and the lower bearing block 21 is similar to the inner hub of the workpiece 200.

In some embodiments, the upper and lower bearing blocks 11 and 21 are disposed on two opposite sides of the upper and

lower molds

10 and 20, respectively, but the present invention is not limited thereto, and only one side or multiple sides of the upper and

lower molds

10 and 20 may be disposed.

The supporting block 30 is disposed on a surface of the upper die 10 facing the lower die 20.

Specifically, in some embodiments, support blocks 30 include a first support block 31 and a second support block 32. The number of the first supporting blocks 31 is two, and the two first supporting blocks 31 are respectively arranged at two opposite ends of the upper die 10. The lower mold 20 is disposed between the two first support blocks 31, and a distance between the two first support blocks 31 is equal to or slightly greater than a length between both ends of the lower mold 20 to limit movement of the lower mold 20 in the length direction. The lower mold 20 is provided with a support hole 22. The second supporting block 32 is disposed in the middle of the upper die 10 and in the supporting hole 22.

In some embodiments, the first supporting block 31 and the second supporting block 32 are both disposed on the upper mold 10 by bolts, but not limited thereto, the first supporting block 31 and the second supporting block 32 may also be integrally formed with the upper mold 10.

The driving block 40 is provided on a surface of the lower mold 20 facing the upper mold 10. The upper die 10 is provided with a driving hole 12 opposite to the driving block 40. The driving block 40 is inserted into the driving hole 12 and penetrates out.

In some embodiments, two rows of four driving blocks 40 are respectively disposed on the lower mold 20, but the number of the driving blocks 40 may be set according to the sizes of the upper mold 10 and the lower mold 20.

The difference between the height of the driving block 40 protruding from the lower die 20 and the depth of the driving hole 12 of the upper die 10 is the drawing amount of the drawing apparatus 100.

In some embodiments, the driving block 40 is adjustably disposed on the lower die 20 to adjust the size of the open gap between the upper die 10 and the lower die 20, thereby adjusting the amount of stretching of the workpiece 200.

The upper die 10 is further provided with an upper positioning hole 13. The lower die 20 is further provided with a lower positioning hole 23 opposite to the upper positioning hole 13. The positioning pin 50 is partially inserted into the upper positioning hole 13 and partially inserted into the lower positioning hole 23.

Referring to fig. 3, the reset mechanism 60 includes a fixed member 61 and an elastic member 62. The lower die 20 is provided with a reset hole 24. The upper die 10 is provided with a fixing hole 14 opposite to the reset hole 24. The fixing member 61 is disposed in the fixing hole 14 through the reset hole 24. The elastic element 62 is sleeved on the fixing element 61, and one end of the elastic element abuts against the lower die 20, and the other end abuts against one end of the fixing element 61 away from the upper die 10.

Specifically, the reset hole 24 includes a holding hole 241 and a through hole 242 that are communicated with each other. The through hole 242 is close to the upper die 10. The aperture of the holding hole 241 is larger than that of the through hole 242. One end of the elastic element 62 abuts against the bottom wall of the abutting hole 241, and the other end abuts against one end of the fixing element 61 away from the upper die 10.

The limiting member 70 covers the upper bearing block 11 and the lower bearing block 21.

Specifically, the limiting member 70 is substantially door-shaped, and includes two fixing portions 71 and a pressing portion 72. The two fixing portions 71 are respectively provided on the upper die 10. The pressing part 72 connects the two fixing parts 71, and the pressing part 72 can press the workpiece 200, which is loaded on the upper bearing block 11 and the lower bearing block 21 and covered by the pressing part, onto the upper die 10 and the lower die 20.

In some embodiments, the fixing portion 71 is attached to the upper mold 10 by a magnet 711 disposed thereon, but is not limited thereto, and the fixing portion 71 may also be disposed on the upper mold 10 by a fixture block and a clamping groove, or fixed to the upper mold 10 by a bolt and a screw.

When in use, firstly, the workpiece 200 is placed on the upper bearing block 11 and the lower bearing block 21, and the limiting member 70 is arranged on the upper die 10, so that the pressing part 72 presses the workpiece 200; then the first supporting block 31 and the second supporting block 32 are placed on the table top or upward acting force is exerted; then, a downward force is applied to the driving block 40, so that the lower die 20 moves downward away from the upper die 10, and the workpiece 200 placed on the upper bearing block 11 and the lower bearing block 21 is supported by the lower bearing block 21 and is stretched downward. After the stretching is finished, the acting force is removed, the elastic piece 62 will abut against the bottom wall of the abutting hole 241 to move the lower die 20 towards the upper die 10, so that the lower die 20 is attached to the upper die 10, and the initial state is recovered.

It is understood that, in some embodiments, the supporting block 30 may also be provided on the lower mold 20. Correspondingly, the driving block 40 is only required to be arranged on the upper die 10.

It is understood that in some embodiments, the reset mechanism 60 may also be disposed through the upper mold 10 and on the lower mold 20. Accordingly, the reset hole 24 is formed on the upper mold 10, and the fixing hole 14 is formed on the lower mold 20.

It is understood that, in some embodiments, the position-limiting member 70 may also be disposed on the lower mold 20 or the first supporting block 31, as long as it can press the workpiece 200 loaded on the upper mold 10 and the lower mold 20.

Above-mentioned stretching device 100 is through setting up supporting shoe 30 on last mould 10 to set up drive block 40 on lower mould 20, through exerting drive power to drive block 40, make and go up mould 10 and lower mould 20 separation, thereby will go up the work piece 200 that bears on mould 10 and the lower mould 20 and stretch, thereby realized the drawing to work piece 200 fast, simple structure, light and handy, low in manufacturing cost, convenient operation can load more work pieces simultaneously, has improved tensile efficiency.

In addition, other changes may be made by those skilled in the art without departing from the spirit of the invention, and it is intended that all such changes be considered within the scope of the invention.

Claims

1. The utility model provides a stretching device for carry out the drawing to the work piece of placing on it, includes mould, its characterized in that: the drawing device further comprises a lower die, a supporting block and a driving block, the upper die is matched with the lower die to bear the workpiece, the supporting block is arranged on the upper die and used for supporting the upper die, the driving block is arranged on the lower die and used for separating the upper die from the lower die so as to draw the workpiece borne on the upper die.

2. Stretching apparatus as claimed in claim 1, wherein: the side surface of the upper die, which is close to the lower die, is provided with an upper bearing block, the side surface of the lower die, which is opposite to the upper bearing block, is provided with a lower bearing block, and the upper bearing block and the lower bearing block are matched to bear the workpiece.

3. Stretching apparatus as claimed in claim 1, wherein: the supporting block is arranged on one surface of the upper die, which faces the lower die.

4. Stretching apparatus as claimed in claim 3, wherein: the supporting blocks comprise two first supporting blocks and two second supporting blocks, the two first supporting blocks are respectively arranged at two opposite ends of the upper die, the lower die is arranged between the two first supporting blocks, the lower die is provided with a supporting hole, and the second supporting block is arranged in the middle of the upper die and is arranged in the supporting hole.

5. Stretching apparatus as claimed in claim 1, wherein: the drive block is located the lower mould orientation go up on the one side of mould, go up on the mould relatively the drive block is equipped with the drive hole, the drive block is worn to establish the drive hole and is worn out.

6. Stretching apparatus as claimed in claim 1, wherein: the stretching device further comprises a positioning pin, the upper die is further provided with an upper positioning hole, the lower die is further provided with a lower positioning hole opposite to the upper positioning hole, and the positioning pin is partially arranged in the upper positioning hole in a penetrating mode and partially arranged in the lower positioning hole in a penetrating mode.

7. Stretching apparatus as claimed in claim 1, wherein: the stretching device further comprises a reset mechanism, the reset mechanism is arranged on the upper die and the lower die, and the reset mechanism is used for enabling the upper die and the lower die to reset.

8. Stretching apparatus as claimed in claim 7, wherein: the resetting mechanism comprises a fixing part and an elastic part, the lower die is provided with a resetting hole, the upper die is opposite to the resetting hole and is provided with a fixing hole, the fixing part is arranged in the fixing hole in a penetrating mode, the elastic part is sleeved on the fixing part, one end of the elastic part abuts against the lower die, and the other end of the elastic part abuts against one end of the fixing part far away from the upper die.

9. Stretching apparatus as claimed in claim 1, wherein: the stretching device further comprises a limiting part, the limiting part is arranged on the upper die, and the limiting part is used for limiting the loaded workpiece.

10. Stretching apparatus as claimed in claim 9, wherein: the limiting part comprises two fixing parts and a pressing part, the two fixing parts are arranged on the upper die respectively, the pressing part is connected with the two fixing parts, and the pressing part can press the workpiece on the upper die and the lower die.