CN218192219U

CN218192219U - Precise stamping die for back plate of medium-large display

Info

Publication number: CN218192219U
Application number: CN202222363418.1U
Authority: CN
Inventors: 魏宏淮
Original assignee: Suzhou Dawei Mould Technology Co ltd
Current assignee: Suzhou Dawei Mould Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-03
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses an accurate stamping die of well large-size display backplate relates to stamping die technical field, including the operation board, operation board upper surface middle part fixedly connected with bed die, square macropore has all been seted up at bed die and operation board middle part, sliding connection has the jacking board in the square macropore, and surface mounting has two ejecting subassemblies, two under the operation board ejecting subassembly symmetric distribution is in the both sides of jacking board, and ejecting subassembly includes the fixed plate, and fixed plate top fixed connection is at operation board lower surface, the spacing square ring of fixed connection in the middle part of the fixed plate side, and spacing square ring sliding connection has the jacking arm, jacking arm top fixedly connected with ejector pin, ejector pin fixed connection are in jacking board bottom, fixed plate side bottom fixedly connected with atress spare, and the atress spare rotates connects the jacking handle. The utility model discloses a set up air vent, ejecting subassembly and jacking board, simple structure, convenient operation, the completion that the workman can be very light divides the mould task.

Description

Precise stamping die for back plate of medium-large display

Technical Field

The utility model relates to a stamping die technical field specifically is to relate to a well accurate stamping die of large-scale display backplate.

Background

Computer display backplate can play the pcb and prevent crooked benefit, and the intensity of display card pcb has been consolidated to pcb, to longer pcb, if do not have the backplate to use gradually and can become the bending curve because of the gravity influence day by day, and installed the backplate additional after, can be even let the display card dynamics disperse, therefore play the effect of consolidating the pcb. Simultaneously, the reinforcing of backplate can assist the thermal effluvium of display card, plays the effect of soaking board, and the backplate is mostly aluminium material. When the display back plate is punched, the display back plate can be punched to form a shell shape, vacuum is formed between the display back plate and the lower die, the display back plate is tightly attached to the lower die, the display back plate is difficult to peel off from the lower die, and manual tools are tilted from the side, so that the phenomena of material clamping, corner deformation and the like are easily caused.

In order to solve the above problems, it is necessary to provide a precise stamping die for a back plate of a medium-sized and large-sized display.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme provides a precise stamping die for the back plate of a medium-large display, and solves the problems that the back plate of the display provided in the background art can be stamped to form a shell shape during stamping, forms vacuum with a lower die, is tightly attached to the lower die, is difficult to peel the back plate of the display from the lower die, and is easy to cause phenomena such as material clamping, corner deformation and the like due to the fact that a manual tool is tilted from the side.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an accurate stamping die of well large-size display backplate, includes the operation board, surface middle part fixedly connected with bed die on the operation board, square macropore has all been seted up at bed die and operation board middle part, sliding connection has the jacking board in the square macropore, and operation board lower surface mounting has two ejecting subassemblies, two ejecting subassembly symmetric distribution is in the both sides of jacking board, and ejecting subassembly includes the fixed plate, and fixed plate top fixed connection is at the operation board lower surface, the spacing square ring of fixed plate side middle part fixedly connected with, spacing square ring sliding connection has the jacking arm, jacking arm top fixedly connected with ejector pin, ejector pin fixed connection is in the jacking board bottom, fixed plate side bottom fixedly connected with atress piece, and the atress piece rotates and is connected with the jacking handle, and the side all rotates around the jacking arm bottom and is connected with the swinging boom, and the swinging boom bottom rotates to be connected on jacking handle top.

Preferably, the upper surface of the lower die is provided with a plurality of vent holes in a penetrating manner, the vent holes extend downwards and penetrate through the operation plate, and the vent holes are uniformly distributed at four corners of the lower die.

Preferably, the upper surface of the jacking plate and the upper surface of the lower die are located on the same plane, and the lower surface of the jacking plate and the lower surface of the working plate are located on the same plane.

Preferably, the four corners of the upper surface of the operation plate are fixedly connected with guide rods, the upper surface of each guide rod is connected with an upper pressing plate in a sliding mode, the middle of the lower surface of each upper pressing plate is fixedly connected with an upper die, a groove is formed in the inner portion of the upper die, and the shape of the groove is matched with that of the lower die.

Preferably, four corners of the lower surface of the operation plate are fixedly connected with brackets.

Preferably, the surface of the lower die is flat, and the end part of the lower die is a smooth curved surface.

Compared with the prior art, the utility model provides a well accurate stamping die of large-size display backplate possesses following beneficial effect:

through setting up air vent, ejecting subassembly and jacking plate can get up fashioned display backplate jacking, and with the bed die separation, the air vent is avoided forming the vacuum between bed die and the display backplate, and the jacking plate area is great, and is big enough with the contact of display backplate, when preventing the jacking for the display backplate warp, and ejecting subassembly simple structure, convenient operation, the completion that the workman can be very light divides the mould task.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is another schematic view of the present invention;

fig. 3 is a schematic structural view of the ejection assembly of the present invention;

the reference numbers in the figures are:

101. an upper pressure plate; 102. a guide rod; 103. an operation plate; 104. a support; 105. a vent hole; 106. a jacking plate; 107. a lower die; 108. an upper die;

200. ejecting the assembly; 201. a fixing plate; 202. a force-receiving member; 203. a top rod; 204. a jacking arm; 205. a limiting square ring; 206. a rotating arm; 207. and (4) lifting a handle.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-3, a precision stamping die for a middle and large display back plate comprises an operation plate 103, wherein a lower die 107 is fixedly connected to the middle of the upper surface of the operation plate 103, square large holes are formed in the middle of the lower die 107 and the operation plate 103, a jacking plate 106 is slidably connected in the square large holes, two jacking assemblies 200 are arranged on the lower surface of the operation plate 103, the two jacking assemblies 200 are symmetrically distributed on two sides of the jacking plate 106, each jacking assembly 200 comprises a fixing plate 201, the top of the fixing plate 201 is fixedly connected to the lower surface of the operation plate 103, a limiting square ring 205 is fixedly connected to the middle of the side surface of the fixing plate 201, a jacking arm 204 is slidably connected to the limiting square ring 205, a jacking arm 203 is fixedly connected to the top of the jacking arm 204, the jacking arm 203 is fixedly connected to the bottom of the jacking plate 106, a stress part 202 is fixedly connected to the bottom of the side surface of the fixing plate 201, a jacking handle 207 is rotatably connected to the stress part 202, rotary arms 206 are rotatably connected to the front and back sides of the bottom end of the jacking arm 204, and rotary arms 206 are rotatably connected to the top ends of the jacking handle 207.

In the device, the arrangement of the ejection assembly 200 is such that when the jacking handle 207 is pulled down to the limit position, the upper surface of the jacking plate 106 and the upper surface of the lower die 107 are located on the same plane, the lower surface of the jacking plate 106 and the lower surface of the working plate 103 are located on the same plane, and after punching is finished, the jacking handle 207 is pushed up, so that the rotating arm 206 is pushed up, so that the jacking arm 204 is lifted up along the limit direction of the limit square ring 205, and thus, the jacking plate 106 is jacked up, and outside air enters between the lower die 107 and the display back plate from the vent hole 105, so that the lower die 107 and the display back plate are not in vacuum, the generated suction force is small, the lower die 107 and the display back plate are more easily separated, after the jacking plate 106 jacks up the display back plate, a worker can take the display back plate away, and pull the jacking handle 207 down to the limit position, so that the rotating arm 206 is pulled down, so that the jacking arm 204 is pulled down along the limit direction of the limit square ring 205, and then the plate 106 is lowered, and the plate is replaced with a new plate.

Specifically, a plurality of vent holes 105 are formed in the upper surface of the lower die 107 in a penetrating manner, the vent holes 105 extend downwards and penetrate through the operation plate 103, and the vent holes 105 are uniformly distributed at four corners of the lower die 107.

The equal fixedly connected with guide bar 102 in operation board 103 upper surface four corners, guide bar 102 upper portion surface sliding connection has top board 101, and top board 101 lower surface middle part fixedly connected with goes up mould 108, goes up the inside recess that has seted up of mould 108, the recess shape and lower mould 107 shape looks adaptation, outside cylinder can install top board 101 for top board 101 rises and descends and accomplishes the punching press operation of top board 108 and lower mould 107, during the punching press, places the plate on lower mould 107, and makes the plate align with the corner of lower mould 107.

The four corners of the lower surface of the operation plate 103 are fixedly connected with the brackets 104, and the brackets 104 support the mold, so that the ejection assembly 200 has an operation space.

The surface of the lower die 107 is flat, the end of the lower die 107 is a smooth curved surface, and the appearance of the display backboard is improved in order to match with the display backboard with smooth corners.

The utility model discloses a theory of operation and use flow: through setting up air vent 105, ejecting subassembly 200 and liftout plate 106 can be got up fashioned display backplate jacking, separate with bed die 107, air vent 105 avoids forming the vacuum between bed die 107 and the display backplate, liftout plate 106 area is great, it is enough big with display backplate contact, when preventing the jacking, make the display backplate warp, and ejecting subassembly 200 simple structure, high safety and convenient operation, the workman can very light completion divide the mould task.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a precision stamping die of medium and large display backplate, a serial communication port, including operation board (103), operation board (103) upper surface middle part fixedly connected with bed die (107), square macropore has all been seted up at bed die (107) and operation board (103) middle part, sliding connection has jacking board (106) in the square macropore, and surface mounting has two ejecting subassembly (200) under operation board (103), two ejecting subassembly (200) symmetric distribution is in the both sides of jacking board (106), and ejecting subassembly (200) are including fixed plate (201), and fixed plate (201) top fixed connection is in operation board (103) lower surface, fixed plate (201) side middle part fixedly connected with spacing square ring (205), spacing square ring (205) sliding connection has jacking arm (204), jacking arm (204) top fixedly connected with ejector pin (203), ejector pin (203) fixed connection is in jacking board (106) bottom, fixed plate (201) side bottom fixedly connected with atress piece (202), jacking atress piece (202) rotate and are connected with jacking handle (207), and all rotate the side around jacking arm (204) bottom, swinging boom (206), swing arm (206) top is connected with jacking handle (207) top.

2. The fine stamping die for the back plate of a medium-large display as claimed in claim 1, wherein: the upper surface of the lower die (107) is provided with a plurality of vent holes (105) in a penetrating mode, the vent holes (105) extend downwards and penetrate through the operation plate (103), and the vent holes (105) are evenly distributed at four corners of the lower die (107).

3. The precision stamping die for the back plate of the medium and large display as claimed in claim 1, wherein: the upper surface of the jacking plate (106) and the upper surface of the lower die (107) are positioned on the same plane, and the lower surface of the jacking plate (106) and the lower surface of the operation plate (103) are positioned on the same plane.

4. The precision stamping die for the back plate of the medium and large display as claimed in claim 1, wherein: the all fixedly connected with guide bar (102) in operation board (103) upper surface four corners, guide bar (102) upper portion surface sliding connection has top board (101), top board (101) lower surface middle part fixedly connected with goes up mould (108), goes up the inside recess that has seted up of mould (108), the recess shape and bed die (107) shape looks adaptation.

5. The precision stamping die for the back plate of the medium and large display as claimed in claim 1, wherein: four corners of the lower surface of the operation plate (103) are fixedly connected with brackets (104).

6. The precision stamping die for the back plate of the medium and large display as claimed in claim 1, wherein: the surface of the lower die (107) is flat, and the end part of the lower die (107) is a smooth curved surface.