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CN-121972551-A - Television backboard stamping forming device

CN121972551ACN 121972551 ACN121972551 ACN 121972551ACN-121972551-A

Abstract

The invention relates to the technical field of stamping and discloses a television backboard stamping forming device, which comprises a stamping device, wherein an upper die holder and a lower die holder are arranged in the stamping device, a main die core is fixedly arranged at the center of the top end of the lower die holder, a floating platform is arranged above the lower die holder, a limiting platform is arranged at the bottom end of the upper die holder corresponding to the position of the floating platform, a plurality of groups of driving blocks are fixed at the bottom end of the upper die holder, a wedge-shaped driving mechanism matched with the driving blocks is arranged in the lower die holder, the top end of a clamping column is elastically connected with the floating platform through an auxiliary rod, and a second spring is sleeved on the auxiliary rod. According to the invention, through the auxiliary support of the floating platform, the feeding tremble can be effectively reduced, then the wedge-shaped mechanism is linked to give way, so that the risk of cracking is reduced, then the floating platform is contacted and ejected, the ejection trace is effectively reduced, the vacuum is favorably broken, the whole process is purely mechanically linked, the error is obviously reduced, and the control process is simplified.

Inventors

  • BAN CHENG
  • Mei Zhangzheng

Assignees

  • 南京斯迪兰德机械科技有限公司

Dates

Publication Date
20260505
Application Date
20260407

Claims (10)

  1. 1. The utility model provides a TV backplate stamping forming device, includes stamping device (1), its characterized in that, stamping device (1) inside is provided with upper die base (2) and die holder (3), die holder (3) top central point puts the fixed main mold core (7) that is provided with, die holder (3) top is provided with floating platform (4), the position that upper die base (2) bottom corresponds floating platform (4) is provided with spacing platform (5), upper die base (2) bottom mounting has multiunit driving piece (6), die holder (3) inside be provided with driving piece (6) matched with wedge actuating mechanism (8), wedge actuating mechanism (8) are including sliding connection at inside wedge movable block (801) of die holder (3), wedge movable block (801) inside is provided with first spring (802), inside vertical sliding connection of die holder (3) has block post (11), block post (11) bottom rotation is connected with wedge movable block (801) matched with gyro wheel (12), block top (11) are equipped with through auxiliary spring (10) with auxiliary spring sleeve (10).
  2. 2. The television backboard stamping forming device according to claim 1, wherein a limit sliding rail (803) is arranged on the outer side of the wedge-shaped moving block (801), a limit column (804) is fixedly arranged inside the wedge-shaped moving block (801), the first spring (802) is arranged in a cavity formed inside the wedge-shaped moving block (801), one end of the first spring (802) abuts against the wedge-shaped moving block (801), and the other end abuts against the lower die holder (3).
  3. 3. The television backboard stamping forming device according to claim 1, wherein the upper die holder (2) is slidably connected with the limiting platform (5) through a fixing column (13), a third spring (14) is sleeved on the fixing column (13), one end of the third spring (14) abuts against the upper die holder (2), and the other end of the third spring abuts against the limiting platform (5).
  4. 4. The device for stamping and forming the television backboard according to claim 3, wherein the four corners of the inner part of the upper die holder (2) are provided with first sliding cavities (15) matched with the fixed columns (13), the inner part of the driving block (6) is provided with sliding grooves (16), and the sliding grooves (16) are matched with inclined planes at the bottom ends of the wedge-shaped moving blocks (801).
  5. 5. The device for stamping and forming the back plate of the television set as set forth in claim 1, wherein the contact surfaces of the floating platform (4) and the limiting platform (5) are provided with polyurethane elastic cushions, and the polyurethane elastic cushions are fixed by countersunk screws.
  6. 6. The device for stamping and forming the television backboard according to claim 1, wherein the center positions of the floating platform (4) and the limiting platform (5) are provided with through holes matched with the main die core (7), and the top end of the lower die holder (3) is provided with grooves matched with the main die core (7).
  7. 7. The device for stamping and forming the back plate of the television set as set forth in claim 1, wherein a plurality of groups of second sliding cavities (18) matched with the clamping columns (11) are formed in the lower die holder (3).
  8. 8. The television backboard stamping forming device according to claim 1, wherein a control panel (17) is arranged on the outer side of the stamping device (1), and a supporting template (19) is fixedly arranged on the top end of the lower die holder (3).
  9. 9. The device for stamping and forming the back plate of the television set as claimed in claim 2, wherein the pressure-bearing roller (12) is rotatably connected with the clamping column (11) through a rotating shaft, and a rolling surface of the pressure-bearing roller (12) is tangent with an inclined surface of the wedge-shaped moving block (801).
  10. 10. The television backboard stamping forming device according to claim 1, wherein a plurality of groups of threaded holes are formed in the stamping device (1) and matched with the lower die holder (3), and the lower die holder (3) is fixed with the stamping device (1) through countersunk bolts.

Description

Television backboard stamping forming device Technical Field The invention relates to the technical field of stamping, in particular to a television backboard stamping forming device. Background In the patent application of application publication number CN117696707a, it includes support base piece, conveying piece and punching press base, support base piece includes the supporting baseplate of whole equipment and one is used for supporting the first bracing piece that punching press base was used and is used for supporting the second bracing piece of conveying piece, the punching press base is located one side of conveying piece top surface, the stamping workpiece has been placed at the top of conveying piece, the main part component of conveying piece is the conveyer belt subassembly, and wherein the direction of conveyer belt transmission stamping workpiece is trend punching press base, the punching press base is smooth curved surface form near the tip of conveying piece. The secondary negative pressure of the inner cavity of the negative pressure box is formed by the sealing piston under the primary acting force of the electromagnet and the secondary acting force formed by the electromagnet matched with the secondary moving assembly, so that the positioning of the stamping part is ensured, the whole operation process is simple in cost, high in intellectualization, stable in positioning effect and continuous in feeding and discharging effects. In the prior art and the patent, the television backboard stamping forming device has the following technical defects that the traditional device uses a small push rod to drive a material pressing plate to rigidly press, so that the blank holder force Quan Chengheng is fixed in a section and cannot be adjusted along with the stretching depth, the material flow is blocked, the side wall is cracked and the thinning exceeds standard, a stamping table is a fixed plane, the auxiliary support for the dynamics of the middle part of a large-size thin plate is lacking, the plate is easy to suspend and shake during feeding, the positioning precision is affected, the demolding mechanism adopts punctiform ejection, stress concentration is easy to generate, the backboard is deformed in a top white mode, the equipment complexity is increased by an electric cylinder matching control system, and a certain time sequence error risk exists. Disclosure of Invention The invention aims to provide a television backboard stamping forming device, which solves the technical problems that a traditional device uses a small push rod to drive a pressing plate to rigidly press, so that a blank holder force Quan Chengheng is fixed in a section and cannot be adjusted along with the stretching depth, material flow is blocked, side wall cracks and thinning exceed standard easily, a stamping table is a fixed plane, an auxiliary support for the dynamics of the middle part of a large-size thin plate is lacking, a board is easy to suspend and shake during feeding, positioning precision is affected, a demolding mechanism adopts punctiform ejection, stress concentration is easy to generate, top white deformation of the backboard is easy to generate, a matched control system of an electric cylinder increases equipment complexity, and a certain time sequence error risk exists. The television backboard stamping forming device comprises a stamping device, an upper die holder and a lower die holder are arranged in the stamping device, a main die core is fixedly arranged at the center of the top end of the lower die holder, a floating platform is arranged above the lower die holder, a limiting platform is arranged at the bottom end of the upper die holder corresponding to the floating platform, a plurality of groups of driving blocks are fixed at the bottom end of the upper die holder, a wedge-shaped driving mechanism matched with the driving blocks is arranged in the lower die holder, the wedge-shaped driving mechanism comprises a wedge-shaped moving block in the lower die holder in a sliding mode, a first spring is arranged in the wedge-shaped moving block, a clamping column is vertically connected in the lower die holder in a sliding mode, a pressure-bearing roller matched with the wedge-shaped moving block is connected at the bottom end of the clamping column in a rotating mode, the top end of the clamping column is elastically connected with the floating platform through an auxiliary rod, and a second spring is sleeved on the auxiliary rod. By adopting the technical scheme, the stamping device is in a standby state, wherein the upper die holder is positioned at the highest position, the lower die holder is fixed, at the moment, under the action of the elastic force of the second spring, the floating platform is jacked up upwards, the upper surface of the floating platform is higher than the upper surface of the main die core, the height difference exists between the floating platform and the upper surface,