Reverse blowing mold of PET carrier tape
By designing a reverse blow molding die, uniform molding and rapid cooling of PET carrier tape were achieved, solving the problems of plastic film feeding control and cooling in traditional molds, improving production efficiency and product quality, and reducing scrap rate.
Patent Information
- Application Number
- CN202520037659.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Traditional PET carrier blow molding molds lack effective plastic film feeding control and rapid cooling and heat dissipation mechanisms, resulting in long product molding time, uneven quality, easy deformation, and high scrap rate.
It adopts a reverse blow molding mold design, including upper and lower mold bodies, feed frame, vacuum suction hole, cooling components and connecting components. It achieves uniform molding and rapid cooling of plastic film through vacuum suction and circulating coolant, combined with a convenient mold assembly and disassembly mechanism.
It improves the production efficiency and quality stability of PET carrier tape, reduces the scrap rate, and enhances the practicality and ease of maintenance of the mold.
Smart Images
Figure CN223735441U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to blow molding die technical field especially relates to a reverse blow molding die of PET carrier tape. BACKGROUND
[0002] In today's packaging industry, PET carrier tape as the important packaging carrier of electronic components and other products, its market demand continues to grow, and the production efficiency and product quality also put forward higher request, PET carrier tape production process is constantly evolving, one of which blow molding is a key link, reverse blow molding die of PET carrier tape through the innovative design and unique working mode, solve a series of problems faced by traditional blow molding die in the production process of PET carrier tape, thereby improve production efficiency, optimize product quality, and effectively reduce production cost, to meet the growing market demand and the needs of industry competition, provide strong technical support for the efficient and stable production of PET carrier tape,
[0003] The traditional PET carrier tape blow molding die usually adopts relatively simple and direct mechanical structure and technical principle, generally is through the external pressure and extrudes the plastic material after heating and softening into the mold cavity shaping;
[0004] The traditional mold lacks effective plastic film feeding control and rapid cooling mechanism, in the production process, the speed and uniformity of plastic film into the mold cavity are difficult to guarantee, leading to long product forming time and uneven quality, and when producing PET carrier tape, because heat cannot be dissipated in time, the product is prone to deformation, size deviation and other problems in the cooling process, the scrap rate is high, therefore, a reverse blow molding die of PET carrier tape is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a reverse blow molding die of PET carrier tape, which aims at improving the problem that the product is prone to deformation and size deviation in the cooling process when producing PET carrier tape due to the fact that heat cannot be dissipated in time.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A reverse blow molding die of PET carrier tape, comprising an upper die body and a lower die body, the upper die body and the lower die body are attached, one side of the upper die body is fixedly connected with a feeding frame, a feeding groove is formed in the feeding frame, a vacuum suction hole is formed in the feeding frame, a mold cavity is arranged in the upper die body and the lower die body, a cooling assembly is arranged on one side of the lower die body, and a connecting assembly is arranged on the side wall of the upper die body;
[0008] The cooling assembly includes a cooling row fixedly connected to one side of the lower die body, a liquid injection pipe fixedly connected to the inside of the cooling row, and a circulation pipe fixedly connected to the inside of the cooling row and having one end fixedly connected to the inside of the lower die body;
[0009] As a further description of the above technical solution:
[0010] The connecting assembly includes a connecting frame and a clamping block one, the connecting frame is fixedly connected to one side of the side wall of the upper die body, and the clamping block one is slidingly connected to the inside of the connecting frame.
[0011] As a further description of the above technical solution:
[0012] The connecting frame is slidingly connected to a clamping block two, and the clamping block one is fixedly connected to a baffle one on one side.
[0013] As a further description of the above technical solution:
[0014] The clamping block two is fixedly connected to a baffle two on one side, and the baffle two is fixedly connected to a fixed column on one side.
[0015] As a further description of the above technical solution:
[0016] The baffle one is fixedly connected to a sliding column on one side, and the sliding column is slidingly connected to the inside of the fixed column.
[0017] As a further description of the above technical solution:
[0018] The fixed column is sleeved with a spring on the outer wall, and the spring is fixedly connected to the inside of the baffle one and the baffle two at both ends.
[0019] As a further description of the above technical solution:
[0020] The lower die body is fixedly connected to a fixed frame on the side wall, and the connecting frame is slidingly connected to the inside of the fixed frame.
[0021] As a further description of the above technical solution:
[0022] The fixed frame is slidingly connected to a limiting rod in the inside, and the limiting rod is fixedly connected to a baffle three on the outer wall.
[0023] The utility model has the advantages of the following:
[0024] 1. The utility model discloses a plastic film is softened, is injected into the material slot, and the softened plastic film is sucked into the mold cavity from the vacuum suction hole in the material slot and starts the forming process, and the cooling liquid in the cooling row stably flows in the circulating pipe, realizes the cooling heat dissipation effect of the mold, solves the problem that the product is easy to deform and size deviation in the cooling process when producing the PET carrier tape because of the heat that can not be promptly dissipated, thereby improve the practicability of blow mold.
[0025] 2. The utility model discloses a connecting frame is inserted into the fixed frame, and the block one and the block two are extruded and slide, and the spring is compressed, when the upper die body and the lower die body are completely connected in place, the spring is reset by the elasticity of itself, drives the block one and the block two reset rapidly, makes it steady and steadyly and is clamped in the fixed frame, realizes the convenient assembly and disassembly effect of the mold, solves the problem that the traditional mold is complicated, time -consuming and easy to damage the mold in the assembly and disassembly process, thereby improve the maintenance convenience of the mold. DRAWINGS
[0026] Figure 1 It is a PET carrier tape's reverse blow molding mold's three -dimensional schematic view that the utility model proposes;
[0027] Figure 2 It is a PET carrier tape's reverse blow molding mold's material frame structure schematic view that the utility model proposes;
[0028] Figure 3 It is a PET carrier tape's reverse blow molding mold's connecting frame structure schematic view that the utility model proposes;
[0029] Figure 4 It is a PET carrier tape's reverse blow molding mold's fixed frame cross section structure schematic view that the utility model proposes.
[0030] Legend:
[0031] 1, the upper die body;2, material frame;3, material slot;4, vacuum suction hole;5, mold cavity;6, cooling row;7, liquid injection pipe;8, circulating pipe;9, lower die body;10, connecting frame;11, fixed frame;12, block one;13, block two;14, baffle one;15, baffle two;16, fixed column;17, slide column;18, spring;19, limit rod;20, baffle three. DETAILED DESCRIPTION
[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0033] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figures 1-3 The utility model provides an embodiment: a PET carrier tape reverse blow mould, including upper die body 1 and lower die body 9, upper die body 1 and lower die body 9 are pasted, one side fixed connection has the material inlet frame 2 of upper die body 1, the material inlet frame 2 is used to load the plastic film after softening, the material inlet groove 3 is seted up in the material inlet frame 2 inside, the material inlet groove 3's effect is to introduce the plastic film evenly to the mould cavity 5, the vacuum suction hole 4 is seted up in the material inlet frame 2 inside, upper die body 1 and lower die body 9 inside all are provided with mould cavity 5, one side of lower die body 9 is provided with cooling assembly, and the side wall of upper die body 1 is provided with connecting assembly;
[0034] Cooling assembly includes cold row 6, and one side of cold row 6 is fixedly connected in the inside of lower die body 9, and injection pipe 7 is fixedly connected in the inside of cold row 6, and circulating pipe 8 is fixedly connected in the inside of cold row 6, and one end of circulating pipe 8 is fixedly connected in the inside of lower die body 9, and circulating pipe 8 is responsible for guiding cooling liquid to the inside of lower die body 9, to ensure that cooling liquid can flow evenly in the inside of lower die body 9.
[0035] Specifically, when using the reverse blow mould, first, the upper die body 1 and the lower die body 9 need to be tightly closed, at this time, the softened plastic film is injected into the material inlet groove 3 inside the material inlet frame 2, in this process, the fan inside the upper die body 1 inhales, this inhalation process can help the softened plastic film to be sucked into the mould cavity 5 through the vacuum suction hole 4 in the material inlet groove 3, and accurately fit in the mould cavity 5 between the upper die body 1 and the lower die body 9, complete the preliminary forming, in the forming process, the plastic film will gradually expand under the action of heat and air pressure inside the mould cavity 5, to ensure that the film uniformly covers the surface of the entire mould cavity 5. In order to avoid the mold overheating and ensure the plastic film forming quality, the temperature control of the mold is realized by starting the cold row 6, the cooling liquid in the cold row 6 flows under the guidance of the circulating pipe 8, the circulating pipe 8 is wrapped around the inside of the lower die body 9, the cooling liquid absorbs the heat generated in the lower die body 9 by flowing, to avoid the influence of high temperature on the mold material or the molded plastic, so as to ensure the long-term stable operation of the mold.
[0036] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figure 3 and Figure 4The connecting assembly comprises a connecting frame 10 and a clamping block 12, the connecting frame 10 is fixedly connected to the side wall of the upper die body 1, the clamping block 12 is slidably connected to the inside of the connecting frame 10, the clamping block 2 13 is slidably connected to the inside of the connecting frame 10, the clamping block 12 is fixedly connected with a baffle 14 on one side, the clamping block 2 13 is fixedly connected with a baffle 15 on one side, the baffle 15 is fixedly connected with a fixed column 16 on one side, the baffle 14 is fixedly connected with a sliding column 17 on one side, the sliding column 17 is slidably connected to the inside of the fixed column 16, the sliding column 17 is slidably connected with the fixed column 16, the fixed column 16 is provided with a spring 18 on the outer wall, the spring 18 is fixedly connected to the inside of the baffle 14 and the baffle 15 respectively, the spring 18 provides elastic force to ensure that the clamping block 12 and the clamping block 2 13 maintain stable positions during work, the fixed frame 11 is fixedly connected to the side wall of the lower die body 9, the connecting frame 10 is slidably connected to the inside of the fixed frame 11, which ensures that the mold can be firmly fixed and prevented from loosening during work, the limiting rod 19 is slidably connected to the inside of the fixed frame 11, and the baffle 20 is fixedly connected to the outer wall of the limiting rod 19.
[0037] Specifically, after the molding is completed, the molded plastic product needs to be taken out of the mold, at this time, by pressing the two limiting rods 19 on the side wall of the lower die body 9, the limiting rods 19 slide in the fixed frame 11, when the limiting rods 19 slide, the pressure generated will extrude the clamping block 12 and the clamping block 2 13, so that they slide into the inside of the connecting frame 10, thereby completing the disengagement of the clamping block 12 and the clamping block 2 13, at this time, the upper die body 1 can be smoothly taken out from above the lower die body 9, when the upper die body 1 and the lower die body 9 need to be assembled, the connecting frame 10 on the side wall of the upper die body 1 is inserted into the inside of the fixed frame 11. The insertion action of the connecting frame 10 will cause the clamping block 12 and the clamping block 2 13 to be extruded by the inner wall of the fixed frame 11, resulting in the sliding of the clamping block. At the same time, the spring 18 between the clamping block 12 and the clamping block 2 13 is compressed, providing a certain elastic force. With the complete joint of the upper die body 1 and the lower die body 9, the spring 18 will drive the clamping block 12 and the clamping block 2 13 to return to the original position by unloading and rebounding, ensuring that they are firmly clamped into the inside of the fixed frame 11, thereby realizing the stable fixation of the mold and effectively improving the efficiency and stability of the mold assembly.
[0038] Working principle: when using the reverse blow molding mold, first close the upper mold body 1 and the lower mold body 9, at this time, the softened plastic film is injected into the feeding groove 3 inside the feeding frame 2, and at the same time, the air suction is carried out through the fan inside the upper mold body 1, so that the softened plastic film is sucked into the mold cavity 5 inside the upper mold body 1 and the lower mold body 9 from the vacuum suction hole 4 inside the feeding groove 3 for molding, during the molding process, the cooling liquid inside the cooling row 6 can flow in the circulating pipe 8, during the flowing process, since the circulating pipe 8 is surrounded inside the lower mold body 9, the cooling liquid can absorb the heat inside the lower mold body 9 during the flowing process, so that the effect of effectively cooling and radiating the mold is achieved, after the molding is completed, by pressing the two limiting rods 19 on the side wall of the lower mold body 9, the limiting rods 19 are slid in the fixed frame 11, the limiting rods 19 extrude the clamping block one 12 and the clamping block two 13 during the sliding process, so that the clamping block one 12 and the clamping block two 13 slide into the connecting frame 10, and then the clamping block one 12 and the clamping block two 13 are separated from the fixed frame 11, at this time, the upper mold body 1 can be taken off from above the lower mold body 9, when the upper mold body 1 and the lower mold body 9 are installed, first, the connecting frame 10 on the side wall of the upper mold body 1 is inserted into the fixed frame 11, so that the clamping block one 12 and the clamping block two 13 are extruded and slid by the inner wall of the fixed frame 11, the clamping block one 12 and the clamping block two 13 extrude the spring 18 between them, so that the spring 18 is contracted, when the upper mold body 1 and the lower mold body 9 are completely connected, the spring 18 is unloaded and rebounds, and then drives the clamping block one 12 and the clamping block two 13 to reset, so that they are clamped in the fixed frame 11 to complete the fixation, so that the effect of facilitating the assembly of the upper mold body 1 and the lower mold body 9 is achieved.
[0039] Finally, it should be pointed out that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A reverse blow mould for PET tape, comprising an upper mould body (1) and a lower mould body (9), characterised in that: The upper die body (1) and the lower die body (9) are matched, one side of the upper die body (1) is fixedly connected with a feeding frame (2), a feeding groove (3) is arranged in the feeding frame (2), a vacuum suction hole (4) is arranged in the feeding frame (2), the upper die body (1) and the lower die body (9) are internally provided with a die cavity (5), and the lower die body (9) is provided with a cooling assembly on one side; and the upper die body (1) is provided with a connecting assembly on the side wall. The cooling assembly comprises a cooling row (6), one side of the cooling row (6) is fixedly connected in the lower die body (9), the cooling row (6) is internally fixedly connected with a liquid injection pipe (7), the cooling row (6) is internally fixedly connected with a circulating pipe (8), and one end of the circulating pipe (8) is fixedly connected in the lower die body (9).
2. A reverse blow mold for PET carrier tape according to claim 1, characterized in that: The connecting assembly comprises a connecting frame (10) and a clamping block one (12), one side of the connecting frame (10) is fixedly connected with the side wall of the upper die body (1), and the clamping block one (12) is slidably connected in the connecting frame (10).
3. A reverse blow mould for PET carrier tape according to claim 2, characterised in that: The connecting frame (10) is internally slidably connected with a clamping block two (13), and one side of the clamping block one (12) is fixedly connected with a baffle one (14).
4. A reverse blow mould for PET carrier tape according to claim 3, characterised in that: One side of the clamping block two (13) is fixedly connected with a baffle two (15), and one side of the baffle two (15) is fixedly connected with a fixed column (16).
5. A reverse blow mould for PET carrier tape according to claim 4, characterised in that: One side of the baffle one (14) is fixedly connected with a sliding column (17), and the sliding column (17) is slidably connected in the fixed column (16).
6. A reverse blow mould for PET carrier tape according to claim 5, characterised in that: The fixed column (16) is externally sleeved with a spring (18), and the spring (18) is fixedly connected at both ends in the baffle one (14) and the baffle two (15).
7. The reverse blow mold of a PET carrier tape according to claim 3, wherein: The lower die body (9) is fixedly connected with a fixed frame (11) on the side wall, and the connecting frame (10) is slidably connected in the fixed frame (11).
8. A reverse blow mould for PET carrier tape according to claim 7, characterised in that: The fixed frame (11) is internally slidably connected with a limiting rod (19), and the limiting rod (19) is externally fixedly connected with a baffle three (20).