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CN-224224347-U - Hot-pressing die for hidden type decorative line

CN224224347UCN 224224347 UCN224224347 UCN 224224347UCN-224224347-U

Abstract

The utility model relates to the technical field of dies, and particularly discloses a hot-pressing die for a hidden decorative strip, which comprises an upper die and a lower die, wherein a plurality of sliding sleeves are arranged on the upper die, a plurality of guide shafts are arranged on the lower die, the sliding sleeves are in sliding fit with the guide shafts one by one, heating runners are arranged in the upper die and the lower die, each heating runner comprises a liquid inlet channel, a liquid outlet channel, a branch runner and a liquid passing channel, three liquid passing channels are arranged in parallel, each branch runner is of a V-shaped structure, a plurality of branch runners are arranged at intervals and are communicated with the three liquid passing channels, one ends of two liquid passing channels on two sides are communicated with each liquid inlet channel, the other ends of two liquid passing channels on two sides are communicated with each liquid outlet channel, each liquid outlet channel and each liquid inlet channel are connected with a pipe joint, and plugs are arranged on the liquid inlet channel, the liquid outlet channel, the branch runner and the liquid passing channels. The utility model has the advantages of remarkably improving the hot press forming efficiency and the product quality, and being convenient for operation and maintenance.

Inventors

  • BAI XIN

Assignees

  • 四川藏装科技有限公司

Dates

Publication Date
20260512
Application Date
20250427

Claims (7)

  1. 1. A hot-pressing die for a hidden decorative line is characterized by comprising an upper die (1) and a lower die (2), wherein a plurality of sliding sleeves are arranged on the upper die (1), a plurality of guide shafts are arranged on the lower die (2), the sliding sleeves are in sliding fit with the guide shafts one by one, heating flow passages are arranged in the upper die (1) and the lower die (2), each heating flow passage comprises a liquid inlet passage (11), a liquid outlet passage (14), a branch passage (13) and a liquid passage (12), three liquid passages (12) are arranged in parallel, the branch passages (13) are of V-shaped structures, a plurality of branch passages (13) are arranged at intervals and are communicated with the three liquid passages (12), the liquid inlet passages (11) are communicated with one ends of two liquid passages (12) on two sides, the liquid outlet passages (14) are communicated with the other ends of the two liquid passages (12), the liquid outlet passages (14) are connected with a pipe joint (6), and plugs (13) are arranged on the liquid inlet passages (14) and the liquid passages (12).
  2. 2. The hot-pressing mold for hidden molding according to claim 1, wherein the upper mold (1) is fixed on the mounting plate (3).
  3. 3. The hot-pressing die for hidden decorative lines of claim 1, further comprising a base (4), wherein two supporting seats (5) are arranged on the base (4), the lower die (2) is fixed on the supporting seats (5), a plurality of supporting columns (17) are arranged on the base (4) between the two supporting seats (5), and the tops of the supporting columns (17) are abutted to the bottoms of the lower die (2).
  4. 4. The hot-pressing mold for hidden molding according to claim 1, wherein a plurality of grooves (9) are provided on the top surface of the lower mold (2), and a thickness limiting block (10) is provided in the grooves (9).
  5. 5. The hot-pressing die for hidden decorative lines of claim 1, wherein a plurality of lower positioning blocks (15) are arranged on the lower die (2), a plurality of upper positioning blocks (21) are arranged on the upper die (1), positioning grooves are formed in the lower positioning blocks (15), positioning protruding blocks are arranged on the upper positioning blocks (21), and the positioning protruding blocks are matched with the positioning grooves.
  6. 6. The hot-pressing die for hidden decorative molding according to claim 3, further comprising an ejection mechanism, wherein the ejection mechanism comprises a cylinder (7), an ejector rod (18), a top plate (8) and a pressing plate (19), the pressing plate (19) is fixed on the top plate (8), the cylinders (7) are fixedly arranged at two ends of the top plate (8), a bayonet (20) is arranged on the base (4), a clamping groove is arranged on a cylinder rod of the cylinder (7), the clamping groove is limited by the bayonet in a matched mode, the bottom of the ejector rod (18) is a stepped shaft, a plurality of stepped holes are formed in the pressing plate (19), the stepped shaft at the bottom of the ejector rod (18) is matched with the stepped holes of the pressing plate (19) to fix the ejector rod (18) on the pressing plate (19), a sliding hole penetrating through the upper die (1) is formed in the upper die (1), a guide hole is formed in the upper die (1), a clamping groove is formed in the cylinder rod (7), a plurality of stepped shafts (16) are arranged on the top plate (8), and the optical shaft (16) is connected with the guide shaft.
  7. 7. The hot-pressing mold for hidden molding according to claim 6, wherein a stopper (22) is provided at the top of the pressing plate (19).

Description

Hot-pressing die for hidden type decorative line Technical Field The utility model relates to the technical field of dies, in particular to a hot-pressing die for hidden decorative lines. Background In the existing hot-pressing mold, the problems of poor heating uniformity, difficult control of mold precision, inconvenient product taking-out and the like generally exist. Poor heating uniformity can lead to uneven heating of the material, thereby affecting the final product quality. Meanwhile, because the gap between the upper die and the lower die is not easy to control accurately, the thickness consistency of the product is limited to a certain extent, and the production efficiency and the product quality are affected. In addition, in the product forming process, the die fixing mode and the product demolding mode can also significantly influence the production efficiency and the product taking difficulty, and particularly in the mass production, these factors can become key factors. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provides a hot-pressing die for hidden decorative lines. The hot-pressing die for the hidden decorative moulding comprises an upper die and a lower die, wherein a plurality of sliding sleeves are arranged on the upper die, a plurality of guide shafts are arranged on the lower die, the sliding sleeves are in sliding fit with the guide shafts one by one, heating flow passages are arranged in the upper die and the lower die, each heating flow passage comprises a liquid inlet passage, a liquid outlet passage, a branch flow passage and a liquid passing passage, three liquid passing passages are arranged in parallel, each branch flow passage is of a V-shaped structure, a plurality of branch flow passages are arranged at intervals and are communicated with the three liquid passing passages, one end of each liquid inlet passage is communicated with one end of each two liquid passing passages on two sides, each liquid outlet passage is communicated with the other end of each two liquid passing passages on two sides, each liquid outlet passage and each liquid inlet passage are connected with a pipe joint, and plugs are arranged on the ends of each liquid inlet passage, each liquid outlet passage, each branch flow passage and each liquid passing passage. Specifically, the upper die is fixed on the mounting plate. Specifically, still include the base, be provided with two supporting seats on the base, the lower mould is fixed on the supporting seat, two be provided with many spinal branch daggers on the base between the supporting seat, the top and the bottom butt of lower mould of support dagger. Specifically, a plurality of grooves are formed in the top surface of the lower die, and thickness limiting blocks are arranged in the grooves. Specifically, a plurality of lower positioning blocks are arranged on the lower die, a plurality of upper positioning blocks are arranged on the upper die, positioning grooves are formed in the lower positioning blocks, positioning protruding blocks are arranged on the upper positioning blocks, and the positioning protruding blocks are matched with the positioning grooves. Specifically, still include ejection mechanism, ejection mechanism includes cylinder, ejector pin, roof and clamp plate, the clamp plate is fixed on the roof, the both ends of roof are all fixed and are provided with the cylinder, be provided with the bayonet socket on the base, be provided with the draw-in groove on the cylinder pole of cylinder, the draw-in groove is spacing with the bayonet socket cooperation, the bottom of ejector pin is the step shaft, be provided with a plurality of step holes on the clamp plate, the step shaft of ejector pin bottom is fixed the ejector pin on the clamp plate with the step hole cooperation of clamp plate, be provided with the slide hole of going up the mould through, ejector pin and slide hole sliding connection, be provided with the guiding hole on the mould, be provided with the optical axis on the roof, optical axis and guiding hole sliding connection. Specifically, the top of clamp plate is provided with the stopper. The utility model has the following advantages: According to the utility model, heating oil in the heating runner circulates through the liquid inlet channel and the liquid outlet channel to uniformly heat the upper die and the lower die, wherein the V-shaped branch runner is beneficial to adapting to the V-shaped shape of a product, and uniform heating of the resin material is ensured. The thickness limiting block is fixed in the groove of the lower die through the bolts, so that the thickness of a product can be conveniently adjusted, and the hot press forming efficiency and the product quality are remarkably improved through optimizing the heating structure, the positioning system and the ejection mechanism in the design, and meanwhile, the operation and the maintenance are convenien