CN213645582U

CN213645582U - Back plate edge rolling forming die structure

Info

Publication number: CN213645582U
Application number: CN202021863742.4U
Authority: CN
Inventors: 唐建家
Original assignee: Huizhou Shenghua Industrial Co ltd; Huizhou Goldman Sachs Precision Co ltd
Current assignee: Huizhou Shenghua Industrial Co ltd; Huizhou Goldman Sachs Precision Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-07-09
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to the technical field of bending devices, and discloses a back plate edge rolling forming die structure, which comprises an upper die assembly and a lower die assembly; the upper die assembly comprises an upper die base, an upper backing plate, an upper die plate and an upper die push block, the upper backing plate is arranged at the lower end of the upper die base, the upper die plate and the upper die push block are both arranged at the lower end of the upper backing plate, and the upper die push block is arranged on one side of the upper die plate; the lower die assembly comprises a lower die base, a lower base plate, a reset device, a lower stop plate, a side-push sliding block, a guide rail and a rolling punch, the lower base plate is arranged at the upper end of the lower die base, the lower stop plate is arranged above the lower base plate and connected with the reset device, the guide rail is obliquely arranged at the upper end of the lower stop plate, the side-push sliding block is sleeved on the guide rail, the side-push sliding block is arranged below the upper die push block, the rolling punch is arranged at the upper end of the lower base plate and located on one side of the side-push sliding block, and the rolling punch is provided with a. The mould structure can improve the bending quality and the product yield of the backboard product.

Description

Back plate edge rolling forming die structure

Technical Field

The utility model relates to a bending device technical field especially relates to a backplate edge rolling forming die structure.

Background

The mould is a variety of moulds and tools which are used for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping, stretching and other methods in industrial production. In short, a mold is a tool used to shape an article, the tool being made up of various parts, and different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The bending machine is used for bending plate materials, and the bending principle is that a workpiece is placed on the plane of a lower die, and when an upper die presses the lower die, the workpiece forms a bending angle under the action of the upper die and the lower die.

The manufacturing process of the television backboard comprises the bending working procedures, wherein one bending working procedure needs to bend the backboard product by more than 180 degrees to form a structure similar to a circle. However, the bending die used in the bending process has an unreasonable structure, and a large error is caused in the stamping process, so that the bending quality and the product yield of the back plate are low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a backplate edge rolling forming die structure, can carry out circular bending to the backplate product, can improve the quality of bending and the product yield of backplate product.

The purpose of the utility model is realized through the following technical scheme:

a backplate edge rolling forming die structure includes:

the upper die assembly comprises an upper die base, an upper base plate, an upper die plate and an upper die push block, the upper base plate is arranged at the lower end of the upper die base, the upper die plate and the upper die push block are both arranged at the lower end of the upper base plate, and the upper die push block is arranged on one side of the upper die plate; and

lower mould subassembly, lower mould subassembly includes die holder, lower bolster, resetting means, lower backstop board, side push away slider, guide rail and edge rolling drift, the lower bolster set up in the upper end of die holder, lower backstop board set up in the top of lower bolster and with resetting means connects, the guide rail slope set up in the upper end of backstop board down, the side push away the slider cover and locate on the guide rail, just the side push away the slider set up in go up the below of mould ejector pad, edge rolling drift set up in the upper end of lower bolster is located one side of side push away the slider, the edge rolling drift has seted up the circular recess.

In one embodiment, the upper die push block is provided with a downward push part, the side push slider is provided with a side push part, the edge rolling punch is provided with a positioning part, the circular groove is formed below the positioning part, the downward push part is used for contacting with the upper end of a backboard product, the side push part is used for contacting with the inner wall of the backboard product, the positioning part is used for contacting with the outer wall of the backboard product, and the circular groove is used for contacting with the lower end of the backboard product.

In one embodiment, the circular groove has a semicircular cross-section.

In one embodiment, an included angle is formed between the guide rail and the connecting surface of the lower stop plate, and the included angle is 45-75 °. For example, the included angle is 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, or 75 °.

In one embodiment, the upper die assembly further comprises an upper supporting plate and an upper foot pad, the upper end of the upper supporting plate is used for connecting a driving assembly, the upper foot pad is arranged at the lower end of the upper supporting plate, and the upper die base is arranged at the lower end of the upper foot pad; the lower die assembly further comprises a lower supporting plate and a lower pad foot, the lower pad foot is arranged at the upper end of the lower supporting plate, and the lower die base is arranged at the upper end of the lower pad foot.

In one embodiment, the reset device is provided in plurality, the lower pad is provided in plurality, and each reset device is respectively arranged between two adjacent lower pads.

In one embodiment, the resetting device comprises an elastic component and an ejector rod, the elastic component is connected to the upper end of the upper supporting plate, the lower end of the ejector rod is connected to the upper end of the elastic component, and the upper end of the ejector rod penetrates through the lower die holder and the lower backing plate and is connected to the lower end of the lower stop plate.

In one embodiment, the elastic component comprises an elastic block and a beating plate, the elastic block is connected to the upper end of the upper supporting plate, the lower end of the beating plate is connected to the upper end of the elastic block, and the upper end of the beating plate is connected to the lower end of the ejector rod.

In one embodiment, the lower die assembly further includes a lower stripper plate disposed at an upper end of the lower stopper plate.

In one embodiment, the lower die assembly further comprises a fixing block, and the fixing block is connected to one side of the rolling punch and located at the upper end of the lower backing plate.

Compared with the prior art, the utility model discloses at least, following advantage has:

the utility model discloses by the drive assembly drive upward movement of mould subassembly, go up mould ejector pad and promote backplate product, side and push away slider, guide rail and lower backstop board downstream, resetting means is compressed, and the side pushes away the slider by left end motion to right-hand member on the guide rail that the slope set up for the backplate product is pushed away between slider and edge rolling drift by the centre gripping in the side, and the part downstream of waiting to bend of backplate product is to the circular slot position of edge rolling drift, and the effort that receives the circular slot is stamped into edge rolling structure. When demoulding, the driving assembly drives the upper die assembly to move upwards to leave the lower die assembly, and the reset device drives the lower stop plate, the guide rail, the side push slider and the backboard product to reset when deformation is recovered. The back plate edge rolling forming die structure has the advantages of being simple in operation and high in accuracy, can be used for circularly bending a back plate product, and can improve the bending quality and the product yield of the back plate product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a partial structure view of a back plate edge rolling forming die structure during die opening according to an embodiment of the present invention.

Fig. 2 is a partial structure view of the back plate edge rolling mold structure in mold closing according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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 herein in the description of the invention 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.

A backplate edge rolling forming die structure includes: the upper die assembly comprises an upper die base, an upper base plate, an upper die plate and an upper die push block, the upper base plate is arranged at the lower end of the upper die base, the upper die plate and the upper die push block are both arranged at the lower end of the upper base plate, and the upper die push block is arranged on one side of the upper die plate; and the lower die assembly comprises a lower die holder, a lower base plate, a reset device, a lower stop plate, a side-push slider, a guide rail and a rolling punch, wherein the lower base plate is arranged at the upper end of the lower die holder, the lower stop plate is arranged above the lower base plate and connected with the reset device, the guide rail is obliquely arranged at the upper end of the lower stop plate, the side-push slider is sleeved on the guide rail, the side-push slider is arranged below the upper die push block, the rolling punch is arranged at the upper end of the lower base plate and located at one side of the side-push slider, and the rolling punch is provided with a circular groove.

In order to better explain the structure of the back plate edge rolling forming die, the concept of the back plate edge rolling forming die structure is better understood. Referring to fig. 1 to 3, a mold structure 10 for rolling and forming a back plate includes an upper mold assembly 110 and a lower mold assembly 120. The upper die assembly 110 comprises an upper die base 113, an upper backing plate 114, an upper die plate 115 and an upper die push block 116, wherein the upper backing plate 114 is arranged at the lower end of the upper die base 113, the upper die plate 115 and the upper die push block 116 are arranged at the lower end of the upper backing plate 114, and the upper die push block 116 is arranged at one side of the upper die plate 115. The lower die assembly 120 includes a lower die base 123, a lower backing plate 124, a reset device 125, a lower stop plate 126, a side push slider 1271, a guide rail 1272 and a rounding punch 128, the lower backing plate 124 is disposed at the upper end of the lower die base 123, the lower stop plate 126 is disposed above the lower backing plate 124 and connected to the reset device 125, the guide rail 1272 is obliquely disposed at the upper end of the lower stop plate 126, for example, an included angle is formed between the guide rail 1272 and a connecting surface of the lower stop plate 126, and the included angle is 45-75 °. For example, the included angle is 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, or 75 °. The side push slider 1271 is sleeved on the guide rail 1272, the side push slider 1271 is disposed below the upper die push block 116, the rolling punch 128 is disposed at the upper end of the lower backing plate 124 and located at one side of the side push slider 1271, and the rolling punch 128 is provided with a circular groove 1281. For example, the circular groove 1281 may have a semi-circular cross-section or other similar configuration.

It should be noted that, referring to fig. 1, the back plate product 20 is placed on the side push slider 1271, the upper die assembly 110 is driven by the driving assembly to move downward, the upper die push block 116 pushes the back plate product 20, the side push slider 1271, the guide rail 1272 and the lower stop plate 126 to move downward, the reset device 125 is compressed and deformed, the side push slider 1271 moves from left end to right end on the obliquely arranged guide rail 1272, so that the back plate product 20 is clamped between the side push slider 1271 and the rounding punch 128, the portion to be bent 210 of the back plate product 20 moves downward to the position of the circular groove 1281 of the rounding punch 128, and is stamped into the rounding structure 220 by the force of the circular groove 1281, as shown in fig. 2 and fig. 3. During demolding, the driving assembly drives the upper mold assembly 110 to move upward and away from the lower mold assembly 120, and the restoring device 125 drives the lower stop plate 126, the guide rail 1272, the side push slider 1271 and the backboard product 20 to restore when being deformed and restored. This backplate edge rolling forming die structure 10 has easy operation and the high characteristics of accuracy, can carry out circular bending to backplate product 20, can improve the quality and the product yield of bending of backplate product.

Specifically, referring to fig. 3, the upper die pushing block 116 is provided with a lower pushing part 1161, the side pushing slider 1271 is provided with a side pushing part 1271a, the edge rolling punch 128 is provided with a positioning part 1282, the circular groove 1281 is arranged below the positioning part 1282, the lower pushing part 1161 is used for contacting with the upper end of the backboard product 20, the side pushing part 1271a is used for contacting with the inner wall of the backboard product 20, the positioning part 1282 is used for contacting with the outer wall of the backboard product 20, and the circular groove 1281 is used for contacting with the lower end of the backboard product 20. The backboard product 20 is clamped and fixed through the side pushing part 1271a and the positioning part 1282, the part 210 to be bent of the backboard product 20 is pushed to move towards the circular groove 1281 through the pushing part 1161, the acting force of the circular groove 1281 is punched into the rolling structure 220, the accuracy of the bending process can be improved, and the bending quality and the product yield of the backboard product are improved.

Further, referring to fig. 1, the upper die assembly 110 further includes an upper supporting plate 111 and an upper pad 112, an upper end of the upper supporting plate 111 is used for connecting a driving assembly, the upper pad 112 is disposed at a lower end of the upper supporting plate 111, and the upper die base 113 is disposed at a lower end of the upper pad 112; the lower die assembly 120 further includes a lower supporting plate 121 and a lower pad 122, the lower pad 122 is disposed at the upper end of the lower supporting plate 121, and the lower die base 123 is disposed at the upper end of the lower pad 122. For example, the driving component is a motor, a cylinder, a manipulator, and the like which can perform linear reciprocating motion. Further, the plurality of the resetting devices 125 is provided, the plurality of the lower support feet 122 is provided, and each resetting device 125 is respectively disposed between two adjacent lower support feet 122. Therefore, the upper supporting plate 111 is used as a connecting part of the driving assembly and the upper die assembly 110, and a cavity formed by connecting and enclosing two adjacent upper pad feet 112, the upper supporting plate 111 and the upper die base 113 together can be filled with a shock absorption block to reduce the vibration generated when the upper die assembly 110 moves; the resetting device 125 is accommodated in a cavity formed by connecting and enclosing two adjacent lower foot pads 122, the lower supporting plate 121 and the lower die holder 123 together.

Further, referring to fig. 1, the resetting device 125 includes an elastic member and a post 1253, the elastic member is connected to the upper end of the upper supporting plate 111, the lower end of the post 1253 is connected to the upper end of the elastic member, and the upper end of the post 1253 passes through the lower die base 123 and the lower backing plate 124 and is connected to the lower end of the lower stop plate 126. Further, the elastic component includes an elastic block 1251 and a striking plate 1252, the elastic block 1251 is connected to the upper end of the upper supporting plate 111, the lower end of the striking plate 1252 is connected to the upper end of the elastic block 1251, and the upper end of the striking plate 1252 is connected to the lower end of the ejector rod 1253. In this way, the elastic member is firmly connected to the lower stopper plate 126 by the lift rod 1253, and the elastic member is composed of an elastic block 1251 and a striking plate 1252, for example, the elastic block 1251 is an elastic body such as a spring or a high-strength rubber, and the movement and the return of the lower mold assembly 120 are realized by utilizing the characteristic that the elastic body can be restored to its original state after the external force is removed.

Further, referring to fig. 1, the lower die assembly 120 further includes a lower stripper plate 129, and the lower stripper plate 129 is disposed at an upper end of the lower stop plate 126. This facilitates removal of the backplane product 20 by the lower stripper plate 129.

Further, referring to fig. 1, the lower die assembly 120 further includes a fixing block 1281, and the fixing block 1281 is connected to one side of the rolling punch 128 and is located at an upper end of the lower pad plate 124. The fixed block 1281 supports and fixes the rounding punch 128, so that the deformation or displacement of the rounding punch 128 caused by strong stamping force in the stamping process is avoided, and the accuracy of the bending process can be improved well.

the utility model discloses mould subassembly 110 downstream in the drive assembly drive, go up mould ejector pad 116 and promote backplate product 20, the side pushes away slider 1271, guide rail 1272 and lower backstop board 126 downstream, resetting means 125 is compressed, the side pushes away slider 1271 and moves to the right-hand member by the left end on the guide rail 1272 that the slope set up, make backplate product 20 by the centre gripping push away between slider 1271 and edge rolling drift 128, backplate product 20 treat that bending part 210 downstream to edge rolling drift 128's circular slot 1281 position, the effort that receives circular slot 1281 is by the punching press one-tenth edge rolling structure. During demolding, the driving assembly drives the upper mold assembly 110 to move upward and away from the lower mold assembly 120, and the restoring device 125 drives the lower stop plate 126, the guide rail 1272, the side push slider 1271 and the backboard product 20 to restore when being deformed and restored. This backplate edge rolling forming die structure 10 has easy operation and the high characteristics of accuracy, can carry out circular bending to backplate product 20, can improve the quality and the product yield of bending of backplate product.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a backplate edge rolling forming die structure which characterized in that includes:

2. The structure of the back plate edge rolling forming die according to claim 1, wherein the upper die pushing block is provided with a downward pushing part, the side pushing block is provided with a side pushing part, the edge rolling punch is provided with a positioning part, the circular groove is arranged below the positioning part, the downward pushing part is used for contacting with the upper end of a back plate product, the side pushing part is used for contacting with the inner wall of the back plate product, the positioning part is used for contacting with the outer wall of the back plate product, and the circular groove is used for contacting with the lower end of the back plate product.

3. The back plate edge rolling molding die structure according to claim 1 or 2, wherein the circular groove has a semicircular cross section.

4. A back plate edge rolling forming die structure according to claim 1, wherein an included angle is formed between the guide rail and the connecting surface of the lower stop plate, and the included angle is 45 ° to 75 °.

5. The back plate edge rolling forming die structure according to claim 1, wherein the upper die assembly further comprises an upper supporting plate and an upper pad, the upper end of the upper supporting plate is used for connecting a driving assembly, the upper pad is arranged at the lower end of the upper supporting plate, and the upper die base is arranged at the lower end of the upper pad; the lower die assembly further comprises a lower supporting plate and a lower pad foot, the lower pad foot is arranged at the upper end of the lower supporting plate, and the lower die base is arranged at the upper end of the lower pad foot.

6. The die structure of claim 5, wherein the plurality of resetting devices are provided, the plurality of lower support feet are provided, and each resetting device is respectively arranged between two adjacent lower support feet.

7. The back plate edge rolling forming die structure according to claim 5, wherein the reset device comprises an elastic component and an ejector rod, the elastic component is connected to the upper end of the upper supporting plate, the lower end of the ejector rod is connected to the upper end of the elastic component, and the upper end of the ejector rod penetrates through the lower die holder and the lower backing plate to be connected to the lower end of the lower stop plate.

8. The back plate edge rolling forming die structure according to claim 7, wherein the elastic component comprises an elastic block and a beating plate, the elastic block is connected to the upper end of the upper supporting plate, the lower end of the beating plate is connected to the upper end of the elastic block, and the upper end of the beating plate is connected to the lower end of the ejector rod.

9. The back plate edge rolling forming die structure according to claim 1, wherein the lower die assembly further comprises a lower stripper plate disposed at an upper end of the lower stopper plate.

10. The die structure for backing plate edge rolling and forming of claim 1, wherein the lower die assembly further comprises a fixing block connected to one side of the edge rolling punch and located at the upper end of the lower backing plate.