CN219703233U

CN219703233U - Wall-mounted television bracket precise stamping die

Info

Publication number: CN219703233U
Application number: CN202321109517.5U
Authority: CN
Inventors: 钟达
Original assignee: Shenzhen Runhengtai Industrial Co ltd
Current assignee: Shenzhen Runhengtai Industrial Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-09-19
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses a wall-mounted television bracket precise stamping die which comprises an upper die holder and a lower die holder, wherein first through holes are formed in the upper die holder and the lower die holder, guide columns penetrating through the first through holes are arranged between the upper die holder and the lower die holder, positioning blocks are respectively arranged on two sides of the surface of the lower die holder, positioning grooves for forming a die assembly with the positioning blocks are formed in the upper die holder, containing grooves for the guide columns to penetrate through are formed in the centers of the positioning blocks and the positioning grooves, the lower ends of the guide columns sequentially penetrate through the containing grooves and the first through holes and are connected with the lower die holder, female dies and male dies are respectively arranged on opposite surfaces of the upper die holder and the lower die holder, stamping heads are arranged in the female dies, cavities are correspondingly arranged in the male dies, a top plate is arranged at the bottom of each cavity, limit grooves are formed near the bottoms of the two sides of each cavity, sponge blocks are arranged on two sides of the top surface of each top plate in the limit grooves, and sponge blocks on two sides extend into the cavities in opposite directions. The utility model avoids scratching the formed television bracket.

Description

Wall-mounted television bracket precise stamping die

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a wall-mounted television bracket precise stamping die.

Background

In the processing process of the television backboard, a stamping die (the stamping die is special technological equipment for processing materials into parts) is needed, and at present, most stamping dies for the television backboard still have some defects, for example, the Chinese patent with the application number of CN202221255384.8 is called a stamping die for the television backboard capable of avoiding scratches, and the stamping die comprises a workbench, wherein a lower die is fixedly arranged at the middle side of the upper end of the workbench, a positioning block is fixedly arranged at the upper end of the lower die, a bracket is arranged at the outer side of the upper end of the workbench, a fixed box is arranged at the upper side of the front end of the workbench, a lug wheel is arranged at the lower side of the inside of the fixed box, and pneumatic telescopic rods are fixedly arranged at the upper side of the inside of the fixed box and the inside of the workbench; the movable block is slidably mounted on the right side of the upper end of the support, a cross rod is mounted in the middle of the movable block, a movable plate is mounted at the left end of the cross rod through a bearing, a lifting mechanism is mounted on the outer side of the cross rod, and an upper die is rotatably mounted at the lower end of the lifting mechanism. This stamping die for TV backplate that can avoid the mar conveniently avoids the TV backplate to appear the mar, conveniently fixes a position last mould, and effectual to the punching press of TV backplate, drives the sponge piece through the fly leaf and upwards moves to make the sponge piece push out the upper end of bed die with the inside TV backplate that obtains of bed die, the sponge piece of fly leaf upper end installation promptly, conveniently protect the TV backplate.

The disadvantage of the above technique is that: 1. the structure is complex, particularly the driving structure of the upper die comprises a series of transmission parts such as a motor, a pneumatic telescopic rod, a lug wheel, a cross rod and the like, and a large number of parts can be additionally arranged in actual stamping die equipment, so that the driving structure is quite impractical; 2. the sponge block occupies a large-area position at the center of the bottom inside the lower die, namely, the television backboard is in large-area contact with the sponge block when the bottom of the lower die is molded, and adverse effects are easily caused on the molding of the television backboard.

Disclosure of Invention

The utility model aims to solve the defects of the technology and designs a wall-mounted television bracket precise stamping die.

The utility model designs a wall-mounted television bracket precise stamping die which comprises an upper die holder and a lower die holder, wherein first through holes are formed in the upper die holder and the lower die holder, guide posts penetrating through the first through holes are arranged between the upper die holder and the lower die holder, positioning blocks are respectively arranged on two sides of the surface of the lower die holder, positioning grooves for forming a die assembly with the positioning blocks are formed in the upper die holder, an accommodating groove for the guide posts to penetrate through is formed in the centers of the positioning blocks and the positioning grooves, the lower ends of the guide posts sequentially penetrate through the accommodating groove and the first through holes and are connected with the lower die holder, a female die and a male die are respectively arranged on opposite surfaces of the upper die holder and the lower die holder, a stamping head is arranged in the female die, a die cavity is correspondingly arranged in the male die, a top plate is arranged at the bottom of the die cavity, limiting grooves are formed in the two sides of the die cavity close to the bottom, sponge blocks are arranged on two sides of the top surface of the top plate and extend into the die cavity in opposite directions.

Further preferably, a buffer block is detachably arranged in the male die, the cavity is formed in the buffer block, second through holes are formed in two sides of the buffer block, third through holes coaxial with the second through holes are formed in the male die, bolts are arranged between the second through holes and the third through holes, the buffer plate and the male die are connected through the bolts, the tops of the second through holes and the third through holes form intercommunicated reducing sections, the inner diameter size of each reducing section is larger than that of the second through holes and the third through holes, springs are arranged in the reducing sections, two ends of each spring respectively abut against the upper end face and the lower end face of each reducing section, and buffer gaps are reserved between the bottom faces of the buffer block and the male die.

Preferably, the sponge blocks are positioned at four corners of the top plate.

Preferably, a second buffer gap is reserved between the limiting groove and the sponge block.

Preferably, the positioning block is conical, and the positioning groove is correspondingly conical.

Further preferably, a die core is arranged on the surface, facing the upper die base, of the lower die base, a fourth through hole communicated with the first through hole is formed in the die core, the guide column sequentially penetrates through the accommodating groove, the fourth through hole and the first through hole and then is connected with the lower die base, and the positioning block and the female die are arranged on the die core.

The utility model has the technical effects that 1, sponge blocks are arranged on two sides of the top surface of the top plate in the limiting groove, and the sponge blocks on two sides extend into the cavity in opposite directions, so that the sponge blocks are positioned at four corners of the top plate in the cavity, when the top plate lifts up a bracket formed in the cavity, the sponge blocks are directly lifted up from the four corners, the top plate is prevented from scratching the surface of the television bracket, meanwhile, the contact area between the sponge blocks and the formed bracket is reduced as much as possible, and the influence of the sponge blocks on the television bracket in the cavity is reduced to the greatest extent; 2. the lower die holder is internally provided with a buffer block, the die cavity is positioned on the buffer block, the top plate and the sponge block are both positioned in the die cavity, and elastic connection is formed between the buffer block and the male die through springs and bolts, so that after the television bracket is formed, when the top plate performs jacking action, the whole buffer block has a certain up-down bouncing force which is equivalent to the shaking of the die cavity, so that the television bracket can be rapidly separated from the die cavity, and then when the top plate drives the sponge block to jack the television bracket, the television bracket can be easily demoulded only by lightly jacking, and scratches are not easy to cause; 3. the buffer block is arranged on the lower die holder through the die core, and can be disassembled through disassembling the die core, so that the buffer block is prevented from directly striking the lower die holder to cause the deformation of the lower die holder; 4. the upper die holder is provided with a positioning groove which forms a die assembly with the positioning block, the centers of the positioning block and the positioning groove are provided with a containing groove for the guide post to pass through, the lower end of the guide post sequentially passes through the containing groove and the first through hole and then is connected with the lower die holder, and the positioning groove is matched with the positioning block, so that the upper die holder and the lower die holder are convenient to position during die assembly, and meanwhile, the upper die holder and the lower die holder are arranged coaxially with the guide post, and the die assembly is more stable during die assembly.

Drawings

FIG. 1 is a general block diagram of the present utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

In the figure: 1. an upper die holder; 2. a lower die holder; 3. a first through hole; 4. a guide post; 5. a positioning block; 6. a positioning groove; 7. a receiving groove; 8. a female die; 9. a male die; 10. punching heads; 11. a cavity; 12. a top plate; 13. a limit groove; 14. a sponge block; 15. a buffer block; 16. a second through hole; 17. a third through hole; 18. a bolt; 19. a reducing section; 20. a spring; 21. a first buffer gap; 22. a second buffer gap; 23. a mold core; 24. and a fourth through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

In this embodiment, as shown in fig. 1, it includes upper die holder 1 and die holder 2, first through-hole 3 has all been opened to upper die holder 1 and die holder 2, be equipped with the guide post 4 that passes first through-hole 3 between upper die holder 1 and the die holder 2, guide post 4 plays the guide effect to upper die holder 1 and die holder 2 compound die, the both sides are equipped with locating piece 5 respectively on die holder 2 surface, upper die holder 1 is equipped with the constant head tank 6 that forms the compound die with locating piece 5, the storage tank 7 that supplies guide post 4 to pass is opened at locating piece 5 and constant head tank 6 central authorities, the guide post 4 lower extreme passes storage tank 7 and first through-hole 3 in proper order and is connected with die holder 2, when upper die holder 1 and die holder 2 compound die, locating piece 5 can direct adaptation insert in constant head tank 6, be convenient for fix a position, in this embodiment, guide post 4 stretches into the screw thread section is opened to the outer periphery of die holder 2 to the guide post 4, form the screw thread section, corresponding die holder 2 is equipped with the internal thread hole for the screw thread section of guide post 4 passes through screw thread fit connection die holder 2.

The die 8 and the punch 9 are respectively arranged on the opposite surfaces of the upper die holder 1 and the lower die holder 2, the punch 10 is arranged in the die 8, the corresponding die cavity 11 is arranged in the punch 9, the punch 10 moves downwards along with the lower die holder 2 to be matched with the die cavity 11, a top plate 12 is arranged at the bottom of the die cavity 11, limit grooves 13 are formed in the two sides of the die cavity 11 near the bottom, the two sides of the top plate 12 extend into the limit grooves 13, namely, the two sides of the top plate 12 extend into the limit grooves 13 after being arranged in the die cavity 11, limit is formed on the top plate 12, the top surface of the top plate 12 is prevented from being completely separated from the die cavity 11 when being lifted, sponge blocks 14 are arranged in the limit grooves 13 on the two sides of the top surface of the top plate 12, the sponge blocks 14 are partially extended into the die cavity 11 in opposite directions, and when the top plate 12 is lifted, the sponge blocks 14 directly prop against the bottom surface of a television bracket, so that the television bracket is demolded, and the sponge blocks 14 have high elastic deformation capability, and specific types and materials are not repeated.

A buffer block 15 is detachably arranged in the male die 9, a specific mounting structure is as follows, as shown in fig. 3, a cavity 11 is formed in the buffer block 15, two sides of the buffer block 15 are provided with second through holes 16, the male die 9 is provided with third through holes 17 coaxial with the second through holes 16, bolts 18 are arranged between the second through holes 16 and the third through holes 17, the tops of the buffer plate and the male die 9 are connected through the bolts 18, the tops of the second through holes 16 and the third through holes 17 form a diameter-changing section 19 communicated with each other, the inner diameter of the diameter-changing section 19 is larger than that of the second through holes 16 and the third through holes 17, namely, a space is formed between the bolts 18 and the inner walls of the through holes, springs 20 are arranged in the diameter-changing section 19, the springs 20 are sleeved on the bolts 18, two ends of the springs 20 respectively abut against the upper end faces and lower end faces of the diameter-changing section 19, a first buffer gap 21 is reserved between the bottom face of the buffer block 15 and the male die 9, a movable gap is formed between the buffer block 15 and the male die 9, the buffer head 10 is pressed into the cavity 11 along with the springs 20, the buffer head 10 is pressed down to the cavity 11, the buffer block 15 is compressed, the springs 20 are compressed, the buffer head 10 is pressed down, the buffer head 10 is pressed into the diameter-changing section 19, the diameter-changing section 19 is separated from the cavity, the buffer block is pressed into a diameter-changing section, the cavity, the space is separated from the television frame 15, and is separated from the cavity by the buffer frame 15, and the television frame 15 is separated from the buffer frame 11, and the television frame is pressed into the television frame and is deformed, and is deformed by the television frame and is separated by the buffer frame and the television frame and is separated by the buffer frame 11.

The top plate 12 and the punch 10 are connected to an air cylinder or an electric telescopic rod, and the punch 10 and the top plate 12 are driven to move up and down by a driving force.

In another embodiment, the springs 20 may be circumferentially distributed along the circumference of the bolt 18, and elastic movement between the buffer block 15 and the lower die holder 2 can be achieved without sleeving the bolt 18.

In another embodiment, the sponge pieces 14 are positioned at four corners of the top plate 12, which minimizes the contact area of the sponge with the television bracket and avoids scratching or bending the surface of the television bracket.

In another embodiment, the second buffer gaps 22 are reserved between the limiting grooves 13 and the sponge blocks 14 on two sides of the inner wall of the cavity 11, as shown in fig. 2, the sponge blocks 14 are positioned in the limiting grooves 13 and extend into the cavity 11 in a part radial direction, and the sponge blocks 14 are positioned in the limiting grooves 13, so that the sponge does not need to be stuck on the top plate 12 by an adhesive and cannot fall off from the limiting grooves 13; the sponge block 14 is movable in the limit groove 13, so that when the sponge block 14 is extruded by the stamping head 10, the sponge block can deform in the second buffer gap 22, and can not be extruded and deformed outside the limit groove 13, thereby occupying the space of the cavity 11 and forming extrusion on the television bracket.

In another embodiment, the positioning block 5 is conical, and the positioning groove 6 is correspondingly conical, so that the positioning block is convenient to match and position, is more stable after die assembly, and cannot cause relative offset between the upper die holder 1 and the lower die holder 2.

In another embodiment, a mold core 23 is disposed on a surface of the lower mold base 2 facing the upper mold base 1, a fourth through hole 24 communicated with the first through hole 3 is formed in the mold core 23, the guide post 4 sequentially passes through the accommodating groove 7, the fourth through hole 24 and the first through hole 3 and then is connected with the lower mold base 2, the mold core 23 is mounted on the lower mold base 2, the positioning block 5 and the female mold 8 are disposed on the mold core 23, when the buffer block 15 elastically jumps, the buffer block 15 directly impacts the mold core 23, and only the mold core 23 needs to be disassembled, the mold cavity 11 and the top plate 12 can be disassembled, and the maintenance is very convenient.

The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.

Claims

1. The wall-mounted television bracket precise stamping die is characterized by comprising an upper die holder (1) and a lower die holder (2), wherein a first through hole (3) is formed in the upper die holder (1) and the lower die holder (2), guide columns (4) penetrating through the first through hole (3) are arranged between the upper die holder (1) and the lower die holder (2), positioning blocks (5) are respectively arranged on two sides of the surface of the lower die holder (2), positioning grooves (6) formed by the upper die holder (1) and the positioning blocks (5) are formed, a containing groove (7) for the guide columns (4) to penetrate through is formed in the centers of the positioning blocks (5) and the positioning grooves (6), the lower ends of the guide columns (4) sequentially penetrate through the containing groove (7) and the first through hole (3) and then are connected with the lower die holder (2), female dies (8) and male dies (9) are respectively arranged on opposite surfaces of the upper die holder (1) and the lower die holder (2), corresponding stamping heads (10) are respectively arranged in the female dies (8), a corresponding stamping head (11) are arranged on the bottom part (11), a top plate (12) is arranged on the bottom part, a top plate (12) extends to two sides of the top plate (13) and is adjacent to the top plate (13), sponge blocks (14) are arranged on two sides of the top surface of the top plate (12) in the limiting grooves (13), and the sponge blocks (14) extend into the cavity (11) in a part opposite to each other.

2. The wall-mounted television bracket precise stamping die according to claim 1, wherein a buffer block (15) is detachably arranged in the male die (9), the cavity (11) is formed in the buffer block (15), second through holes (16) are formed in two sides of the buffer block (15), third through holes (17) coaxial with the second through holes (16) are formed in the male die (9), bolts (18) are arranged between the second through holes (16) and the third through holes (17), the buffer plate is connected with the male die (9) through the bolts (18), the tops of the second through holes (16) and the third through holes (17) form intercommunicated reducing sections (19), the inner diameter size of the reducing sections (19) is larger than that of the second through holes (16) and the third through holes (17), springs (20) are arranged in the reducing sections (19), two ends of each spring (20) respectively prop against the upper end face and the lower end face of the reducing sections (19), and a first buffer gap (21) is reserved between the bottom face of the buffer block (15) and the male die (9).

3. The wall-mounted television bracket precision stamping die of claim 2, wherein the sponge pieces (14) are located at four corners of the top plate (12).

4. A wall-mounted television bracket precision stamping die according to claim 3, characterized in that a second buffer gap (22) is left between the limit groove (13) and the sponge block (14).

5. The wall-mounted television bracket precise stamping die according to claim 2, wherein the positioning block (5) is conical, and the positioning groove (6) is correspondingly conical.

6. The wall-mounted television bracket precise stamping die according to claim 1, wherein a die core (23) is arranged on the surface, facing the upper die holder (1), of the lower die holder (2), a fourth through hole (24) communicated with the first through hole (3) is formed in the die core (23), the guide column (4) sequentially penetrates through the accommodating groove (7), the fourth through hole (24) and the first through hole (3) and then is connected with the lower die holder (2), and the positioning block (5) and the female die (8) are arranged on the die core (23).