Thermoplastic forming equipment

Abstract

The invention relates to the field of thermoplastic equipment, in particular to thermoplastic forming equipment which comprises an equipment rack, a hot press, a forming mold and a feeding tool, and the hot press and the forming mold are both installed on the equipment rack; the forming mold comprises a lower-layer mold plate, a middle-layer mold plate and an upper-layer mold plate, and is provided with a lower-layer mold cavity and an upper-layer mold cavity; the feeding tool comprises a first tool plate and a second tool plate, a plurality of first containing grooves are formed in the first tool plate in the thickness direction, the second tool plate is in sliding fit with the first tool plate, a plurality of second containing grooves are formed in the second tool plate in the thickness direction, and the number of the second containing grooves is larger than that of the first tool plate. The two adjacent second containing grooves are sequentially communicated with the first containing grooves through reciprocating sliding of the second tool plates. The rubber film forming device has the effect of ensuring the forming efficiency of the rubber film.

Description

Technical Field

[0001] This application relates to the field of thermoplastic equipment, and more particularly to a thermoplastic molding equipment. Background Technology

[0002] Some specifications of lithium-ion batteries require the use of rubber films for sealing or cushioning. In existing technologies, these rubber films are manufactured using thermoforming equipment. This equipment includes a frame, a molding die, and a hot press. The frame has loading and unloading components to transport the molding die to or from the hot press. The molding die has a cavity. After opening the cavity, operators place several strips of raw material parallel to each other in the cavity. Once the strips are placed, the cavity is closed, and the molding die is then fed into the hot press. Under the heat of the hot press, the strips of raw material gradually melt and flow into the pre-cut molding grooves inside the cavity, solidifying into a rubber film that conforms to the shape of the cavity. After the rubber film solidifies, the molding die is transported to the outside of the hot press, and the cavity is opened. Finally, the operator peels off the rubber film with one hand and uses an air gun with the other to separate the rubber film from the inner wall of the cavity. For details, please refer to the existing patent document: CN103507267A, a solid silicone rubber film compression molding method.

[0003] Regarding the aforementioned technologies, when loading materials, workers may disturb the already stacked strips of raw materials, causing some strips to fail to meet the standard requirements for parallelism or spacing, requiring additional time for adjustment and affecting molding efficiency. Summary of the Invention

[0004] To ensure the forming efficiency of the rubber film, this application provides a thermoplastic molding device.

[0005] The thermoplastic molding equipment provided in this application adopts the following technical solution: A thermoplastic molding equipment includes an equipment frame, a hot press, a molding die, and a feeding fixture, wherein the hot press and the molding die are both mounted on the equipment frame. The molding die includes a lower template, a middle template, and an upper template, which are arranged sequentially from bottom to top. The molding die has a lower mold cavity and an upper mold cavity. The lower mold cavity is opened or closed by the vertical movement of the lower template and the middle template, and the upper mold cavity is opened or closed by the vertical movement of the upper template and the middle template. The feeding fixture includes a first fixture plate and a second fixture plate. The first fixture plate has a plurality of first receiving grooves along its thickness direction. Each of the plurality of first receiving grooves is adapted to a strip of rubber film material, and the plurality of first receiving grooves are arranged parallel to each other. The second fixture plate is slidably fitted to the first fixture plate. The second fixture plate has a plurality of second receiving grooves along its thickness direction. Each of the plurality of second receiving grooves is adapted to a strip of rubber film material, and the plurality of second receiving grooves are arranged parallel to each other. The number of second receiving grooves is greater than the number of first fixture plates. Two adjacent second receiving grooves are sequentially connected to the first receiving grooves through the reciprocating sliding of the second fixture plate.

[0006] By adopting the above technical solution, after the molding die is opened, the upper cavity opens between the upper and middle templates, while the lower cavity opens between the lower and middle templates. After the operator places the strip-shaped raw material into each of the first receiving slots, the loading fixture is placed inside the upper mold cavity. Then, the second fixture plate is slid horizontally, connecting one set of first receiving slots to the second receiving slot, thereby allowing one set of strip-shaped raw material to be placed into the upper mold cavity according to standard stacking.

[0007] After the strip-shaped raw materials are stacked in the upper mold cavity, the feeding fixture is transferred to the interior of the lower mold cavity. Then, the second fixture plate is slid in the opposite horizontal direction, so that another set of first receiving grooves is connected to the second receiving groove, thereby allowing another set of strip-shaped raw materials to be stacked in the interior of the lower mold cavity according to the markings.

[0008] After the strip-shaped raw materials are stacked in the upper and lower mold cavities, the molding die closes and is transferred to the inside of the hot press for forming. Therefore, in one feeding process, the feeding and forming of two molding cavities can be completed simultaneously, reducing the need for operators to frequently load and unload materials and make adjustments, thus helping to ensure the forming efficiency of the rubber film.

[0009] Optionally, the equipment frame is equipped with a middle-layer lifting component and an upper-layer lifting component. The middle-layer lifting component is used to drive the vertical movement of the middle-layer template, and the upper-layer lifting component is used to drive the vertical movement of the upper-layer template. The upper mold cavity and the lower mold cavity open sequentially, and the lower mold cavity and the upper mold cavity close sequentially.

[0010] By adopting the above technical solution, the upper mold cavity and the lower mold cavity are opened sequentially, which helps to reduce the disturbance to the molding die during mechanical movement. This makes it less likely for the rubber film formed in the upper and lower mold cavities to stick to the inner wall of the mold cavity, thereby reducing the occurrence of rubber film damage.

[0011] Optionally, the forming mold reciprocates horizontally between the hot press and the middle layer lifting component. The middle layer template is provided with a middle layer flange, and the bottom of the middle layer flange is provided with a notch. The middle layer lifting component is provided with a horizontally penetrating flange slot, which is adapted to the middle layer flange.

[0012] By adopting the above technical solution, when the forming mold moves horizontally to the outside of the hot press, the middle layer flange slides into the inside of the flange slot, so that the middle layer template with a larger mass is more stably matched with the middle layer lifting component through the middle layer flange, which helps to ensure the stability of the middle layer template when it moves vertically.

[0013] Optionally, the second tooling plate is provided with a tooling groove through it along the thickness direction, the extension direction of the tooling groove is parallel to the sliding direction of the second tooling plate, and the first tooling plate is equipped with a positioning bolt, which passes through the tooling groove. In one of the two adjacent second receiving slots, when the second receiving slot is connected to the first receiving slot by the reciprocating sliding of the second tooling plate, the positioning bolt abuts against one end of the tooling slide. In one of the two adjacent second receiving slots, when the second receiving slot is connected to the first receiving slot by the reciprocating sliding of the second tooling plate, the positioning bolt abuts against the other end of the tooling slide.

[0014] By adopting the above technical solution, the tooling slide restricts the horizontal sliding stroke of the second tooling plate, so that the second tooling plate can ensure the sliding stability through the tooling slide and also helps to ensure that the two sets of second receiving slots are accurately connected to the two sets of first receiving slots respectively.

[0015] Optionally, the second tooling plate is equipped with two tooling handles, which are located on both sides of the second tooling plate, and the distribution direction of the two tooling handles is horizontal and perpendicular to the distribution direction of each second receiving groove.

[0016] By adopting the above technical solution, it is convenient for operators to apply force to the second tooling plate in the upper and lower mold cavities after the molding mold is opened, which helps to reduce the interference of the lower, middle and upper templates on the operator's arms.

[0017] Optionally, the middle layer template includes a fixed plate and a movable plate. The fixed plate has a vertically extending vertical sliding cavity, and the interior of the vertical sliding cavity has a negative pressure hole. The movable plate is adapted to the vertical sliding cavity, and the movable plate slides vertically into the vertical sliding cavity. The equipment frame is equipped with a plate driving component, which is used to drive the vertical movement of the movable plate.

[0018] By adopting the above technical solution, when the upper or lower mold cavity is opened, the movable plate moves vertically downward under the action of the movable drive component, pushing the rubber membrane in the lower mold cavity to partially peel off from the middle template. This helps to reduce the adhesion area between the middle template at the top and the rubber membrane during the mold opening process, making the rubber membrane in the lower mold cavity less likely to break due to excessive force.

[0019] As the movable plate moves downward, the negative pressure hole, which was originally blocked and closed by the movable plate, connects to the upper mold cavity and generates negative pressure, causing the rubber membrane to be adsorbed onto the bottom middle template. This helps to reduce the adhesion area between the top upper template and the rubber membrane during the mold opening process, making the rubber membrane in the upper mold cavity less likely to break due to excessive force.

[0020] Optionally, an elastic element is provided between the movable plate and the fixed plate. The movable plate is provided with a driven inclined surface. The plate driving member contacts the driven inclined surface through horizontal movement. The inclined direction of the driven inclined surface is from top to bottom and deflects toward the position of the plate driving member.

[0021] By adopting the above technical solution, the plate driving component acts on the driven inclined surface, so that the movable plate overcomes the elasticity of the elastic component and moves vertically downward. This is beneficial for the movable plate to complete the required vertical movement within the limited space of the middle layer template, and also reduces the space occupation and structural complexity of the movable structure.

[0022] Optionally, the movable plate body is provided in a plurality of parts, and the plurality of movable plate bodies are divided into a first plate body and a second plate body. The first plate body is closer to the geometric center of the middle layer template in the horizontal direction than the second plate body, and the timing of the downward movement of the first plate body lags behind the timing of the downward movement of the second plate body.

[0023] By adopting the above technical solution, when the movable plate moves downward, the second plate moves first and the first plate moves later, so that different parts of the rubber membrane can be subjected to force separately, reducing the external force on the local area of ​​the rubber membrane in a short period of time, which helps to further reduce the occurrence of rubber membrane damage.

[0024] Optionally, the first plate body is provided with a driven flange, and the second plate body is provided with an active flange. The active flange is located at the top of the driven flange, and a vertical gap is provided between the active flange and the driven flange.

[0025] By adopting the above technical solution, after the second plate moves downward for a period of time, the active flange contacts the driven flange and drives the first plate to start moving downward, so that the timing of the first plate moving downward is delayed compared to the timing of the second plate moving downward, which has the advantages of simple structure and small volume.

[0026] Optionally, the plate driving component includes a horizontal insertion block and an insertion cylinder. The horizontal insertion block slides horizontally and is fitted to the equipment frame. The insertion cylinder is mounted on the equipment frame, and the output rod of the insertion cylinder is horizontally mounted on the horizontal insertion block.

[0027] By adopting the above technical solution, after the upper mold cavity and the lower mold cavity are opened, the insertion cylinder makes the horizontal insertion block make horizontal contact with the driven inclined surface until it is inserted into the interior of the fixed plate, so that the movable plate moves vertically downward.

[0028] In summary, this application includes at least one of the following beneficial technical effects: After the molding die is opened, the upper cavity opens between the upper and middle templates, while the lower cavity opens between the lower and middle templates. The operator places the strip-shaped raw material into each of the first receiving slots, then places the loading fixture inside the upper mold cavity. Next, the operator slides the second fixture plate horizontally, connecting one set of first receiving slots to the second receiving slot, allowing one set of strip-shaped raw material to be placed into the upper mold cavity according to standard stacking. After the strip-shaped raw materials are stacked in the upper mold cavity, the loading fixture is transferred to the interior of the lower mold cavity. Then, the second fixture plate is slid in the opposite horizontal direction, so that another set of first receiving slots is connected to the second receiving slot, thereby allowing another set of strip-shaped raw materials to be stacked in the interior of the lower mold cavity according to the markings. After the strip-shaped raw materials are stacked in the upper and lower mold cavities, the molding die closes and is transferred to the inside of the hot press for forming. Therefore, in one feeding process, the feeding and forming of two molding cavities can be completed simultaneously, reducing the need for operators to frequently load and unload materials and make adjustments, thus helping to ensure the forming efficiency of the rubber film.

[0029] The upper mold cavity and the lower mold cavity are opened sequentially, which helps to reduce the disturbance to the molding die during mechanical movement, making it less likely for the rubber film formed in the upper and lower mold cavities to stick to the inner wall of the mold cavity, thereby reducing the occurrence of rubber film damage. When the forming mold moves horizontally to the outside of the hot press, the middle layer flange slides into the inside of the flange slot, so that the heavier middle layer template is more firmly fitted to the middle layer lifting component through the middle layer flange, which helps to ensure the stability of the middle layer template when it moves vertically. Attached Figure Description

[0030] Figure 1 This is an overall schematic diagram of Embodiment 1 of this application.

[0031] Figure 2 This is a schematic diagram of the mold opening of the molding die in Embodiment 1 of this application.

[0032] Figure 3This is an overall schematic diagram of the feeding fixture in Embodiment 1 of this application.

[0033] Figure 4 This is a cross-sectional view of the feeding fixture in Embodiment 1 of this application.

[0034] Figure 5 This is a schematic diagram of the first embodiment of the feeding tooling in Embodiment 1 of this application.

[0035] Figure 6 This is a schematic diagram of the second embodiment of the feeding fixture in Embodiment 1 of this application.

[0036] Figure 7 This is an exploded view of the molding die in Embodiment 2 of this application.

[0037] Figure 8 This is a first cross-sectional view of the molding die in Embodiment 2 of this application.

[0038] Figure 9 This is a second cross-sectional view of the molding die in Embodiment 2 of this application.

[0039] Figure 10 This is a schematic diagram of the first embodiment of the molding die in Embodiment 2 of this application.

[0040] Figure 11 This is a schematic diagram of the first embodiment of the molding die in Embodiment 2 of this application.

[0041] Figure 12 This is a schematic diagram of the mold opening of the molding die in Embodiment 3 of this application.

[0042] Explanation of reference numerals in the attached drawings: 1. Equipment frame; 2. Hot press; 3. Forming mold; 31. Lower template; 32. Middle template; 321. Middle flange; 322. Fixed plate; 323. Movable plate; 3231. First plate; 3232. Second plate; 3233. Active flange; 3234. Driven flange; 3235. Driven inclined surface; 324. Vertical sliding cavity; 325. Negative pressure hole; 326. Elastic element; 33. Upper template; 34. Lower mold cavity; 35. Upper mold cavity; 4. Loading fixture; 41. First fixture plate; 411. First receiving groove; 42. Second fixture plate; 421. Fixture slide; 422. Second receiving groove; 43. Positioning bolt; 44. Fixture handle; 5. Middle lifting component; 51. Middle lifting plate; 511. Flange latch; 6. Upper lifting component; 61. Upper lifting plate; 7. Plate drive component; 71. Horizontal insertion block; 72. Insertion cylinder. Detailed Implementation

[0043] The following is in conjunction with the appendix Figure 1-12 This application will be described in further detail.

[0044] Example 1: This application discloses a thermoplastic molding apparatus. (Refer to...) Figure 1 The thermoplastic molding equipment includes a frame 1, a hot press 2, a molding die 3, and a feeding fixture 4. Both the hot press 2 and the molding die 3 are fixedly installed on the frame 1, and the hot press 2 is of a type already known in the art. The molding die 3 moves horizontally reciprocally between the inside of the hot press 2 and the feeding area of ​​the frame 1 via existing horizontal drive components such as cylinders, hydraulic cylinders, or linear modules.

[0045] Reference Figure 2 The molding die 3 includes a lower template 31, a middle template 32, and an upper template 33, which are vertically arranged from bottom to top. These templates can be separated for easy loading and unloading. The molding die 3 has a lower mold cavity 34 and an upper mold cavity 35, with the lower mold cavity 34 located at the bottom of the upper mold cavity 35. The lower mold cavity 34 and the upper mold cavity 35 are used to form two rubber films, and both the upper and lower forming surfaces of the lower mold cavity 34 and the upper mold cavity 35 have forming grooves corresponding to the shape and specifications of the rubber films.

[0046] The lower mold cavity 34 is formed between the lower template 31 and the middle template 32, and the lower mold cavity 34 is opened or closed by the vertical relative movement of the middle template 32 relative to the lower template 31, so that the lower mold cavity 34 opens when the molding mold 3 is opened. The upper mold cavity 35 is formed between the upper template 33 and the middle template 32, and the upper mold cavity 35 is opened or closed by the vertical movement of the upper template 33 relative to the middle template 32, so that the upper mold cavity 35 opens when the molding mold 3 is opened.

[0047] The equipment frame 1 is equipped with a middle-layer lifting component 5 and an upper-layer lifting component 6. The middle-layer lifting component 5 is used to drive the middle-layer template 32 to move vertically, and the upper-layer lifting component 6 is used to drive the upper-layer template 33 to move vertically.

[0048] Specifically, in this embodiment, four middle-layer lifting components 5 are provided, and the four middle-layer lifting components 5 rise and fall synchronously. Two of the middle-layer lifting components 5 are located on one side of the horizontal plane of the forming mold 3, and the other two middle-layer lifting components 5 are located on the other side of the horizontal plane of the forming mold 3. The middle-layer lifting component 5 includes a middle-layer electric cylinder and a middle lifting plate 51. The middle-layer electric cylinder is fixedly installed on the equipment frame 1, and the output rod of the middle-layer electric cylinder is set vertically upward. The middle lifting plate 51 is fixedly installed on the output rod of the middle-layer electric cylinder to facilitate control of the lifting speed and height of the middle lifting plate 51.

[0049] In this embodiment, four upper lifting components 6 are provided, and the four upper lifting components 6 rise and fall synchronously. Two of the upper lifting components 6 are located on one side of the horizontal plane of the forming mold 3, and are positioned between two of the middle lifting components 5. The other two upper lifting components 6 are located on the other side of the horizontal plane of the forming mold 3, and are positioned between the other two middle lifting components 5. That is, two middle lifting components 5 and two upper lifting components 6 are provided on one side of the forming mold 3. The upper lifting component 6 includes an upper electric cylinder and an upper lifting plate 61. The upper electric cylinder is fixedly installed on the equipment frame 1, and the output rod of the upper electric cylinder is vertically upward. The upper lifting plate 61 is fixedly installed on the output rod of the upper electric cylinder to facilitate control of the lifting speed and height of the upper lifting plate 61.

[0050] Reference Figure 2 A horizontally extending middle-layer flange 321 is fixedly installed on each of the outer sides of the middle-layer template 32, and the bottom of the middle-layer flange 321 has several evenly distributed notches, so that the middle-layer flange 321 is arranged in a flat "C" shape. The middle lifting plate 51 of the middle-layer lifting component 5 has a horizontally penetrating flange slot 511, the shape of which is adapted to the middle-layer flange 321. When the forming mold 3 moves horizontally to the feeding area outside the hot press 2, the middle-layer flange 321 slides and engages in the flange slot 511, so that the middle-layer template 32 and the middle-layer lifting component 5 are stably matched, thereby facilitating the stable lifting of the heavy middle-layer template 32.

[0051] When the molding die 3 opens, the upper lifting member 6 and the middle lifting member 5 extend their output rods in sequence, causing the upper mold cavity 35 and the lower mold cavity 34 to open sequentially. After the operator completes the material loading, the lower mold cavity 34 and the upper mold cavity 35 close sequentially to reduce the disturbance of mechanical movement to the molding die 3.

[0052] Reference Figure 3 and Figure 4 The feeding fixture 4 includes a first fixture plate 41 and a second fixture plate 42, both of which are horizontally arranged flat structures. The first fixture plate 41 has a plurality of first receiving grooves 411 along its thickness direction. The plurality of first receiving grooves 411 are parallel to each other and the spacing conforms to the placement standard of strip-shaped raw materials. The size of each first receiving groove 411 is adapted to the strip-shaped raw material of the rubber film, so that the strip-shaped raw material in the first receiving groove 411 remains stable and is not easy to shake or tilt.

[0053] The second tooling plate 42 is located on top of the first tooling plate 41, and the second tooling plate 42 slides against the upper surface of the first tooling plate 41, with the sliding direction of the second tooling plate 42 parallel to the distribution direction of the first receiving groove 411. The second tooling plate 42 has several tooling grooves 421 extending through it along its thickness direction, with the extension direction of each groove parallel to the sliding direction of the second tooling plate 42. The first tooling plate 41 is fixedly fitted with positioning bolts 43 at positions corresponding to the tooling grooves 421 via threaded engagement. The threaded portion of the positioning bolts 43 passes through the tooling grooves 421, and the nuts of the positioning bolts 43 are attached to the upper surface of the second tooling plate 42, allowing the second tooling plate 42 to slide stably and horizontally relative to the first tooling plate 41.

[0054] The second tooling plate 42 has a plurality of second receiving grooves 422 along its thickness direction. These second receiving grooves 422 are parallel to each other and spaced at the same intervals as the first receiving grooves 411. Their dimensions are also adapted to the strip-shaped raw material, and the number of second receiving grooves 422 is greater than the number of first receiving grooves 411. Two adjacent second receiving grooves 422 can be sequentially aligned and connected with the first receiving grooves 411 through the reciprocating sliding of the second tooling plate 42. Furthermore, referring to… Figure 5 and Figure 6 In one of two adjacent second receiving slots 422, when the second receiving slot 422 is connected to the first receiving slot 411 through the reciprocating sliding of the second tooling plate 42, the positioning bolt 43 abuts against one end of the tooling slide 421, so that one set of second receiving slots 422 can be accurately aligned with one set of first receiving slots 411. In the other of two adjacent second receiving slots 422, when the second receiving slot 422 is connected to the first receiving slot 411 through the reciprocating sliding of the second tooling plate 42, the positioning bolt 43 abuts against the other end of the tooling slide 421, so that the other set of second receiving slots 422 can be accurately aligned with the other set of first receiving slots 411.

[0055] A tooling handle 44 is fixedly installed on each side of the second tooling plate 42. The distribution direction of the two tooling handles 44 is horizontal and perpendicular to the distribution direction of each second receiving groove 422, which makes it convenient for the operator to apply force to slide the second tooling plate 42 in the mold cavity and reduce the interference of the template to the operating arm.

[0056] The implementation principle of Embodiment 1 of this application is as follows: After the molding mold 3 is opened, the upper mold cavity 35 first forms an open state between the lower mold plate 31 and the middle mold plate 32, and the lower mold cavity 34 then forms an open state between the upper mold plate 33 and the middle mold plate 32. The operator first puts the strip-shaped raw materials one by one into each of the first receiving slots 411 of the feeding fixture 4. After the raw materials are pre-loaded, the feeding fixture 4 is placed stably in the preset position of the upper mold cavity 35. Then, the operator pushes the second fixture plate 42 in the horizontal direction so that one set of second receiving slots 422 is precisely aligned and connected with the first receiving slots 411. The strip-shaped raw materials pre-loaded in the first receiving slots 411 fall down along the receiving slots and are stacked in the upper mold cavity 35 according to the preset parallelism and spacing standards.

[0057] After the upper mold cavity 35 is filled with material, the operator transfers the entire feeding fixture 4 to the corresponding position in the lower mold cavity 34, and then slides the second fixture plate 42 in the opposite horizontal direction so that the other set of second receiving grooves 422 are aligned and connected with the first receiving groove 411. The other set of strip-shaped raw materials fall down synchronously and are stacked in the lower mold cavity 34 according to the standard.

[0058] After the strip-shaped raw materials in both the upper mold cavity 35 and the lower mold cavity 34 are stacked, the molding die 3 closes the lower mold cavity 34 and the upper mold cavity 35 in sequence, and then the entire assembly is horizontally transferred to the hot press 2 for thermoplastic molding. This process allows for the simultaneous placement of raw materials in both molding cavities and subsequent molding in a single loading operation, significantly reducing the frequency of manual loading and unloading and repeated adjustments to the raw material position. It effectively avoids disturbance to the stacked raw materials caused by manual loading, thereby ensuring the molding efficiency of the rubber film.

[0059] Example 2: This application discloses a thermoplastic molding equipment, which, in addition to all the technical features of Example 1, also includes the following technical features: Reference Figure 7 , Figure 8 as well as Figure 9 The middle layer template 32 includes a fixed plate 322 and a movable plate 323. The fixed plate 322 is a horizontally arranged plate structure with five vertically extending sliding cavities 324 inside. Figure 10 Each vertical sliding cavity 324 has several negative pressure holes 325 on its inner wall, which are axially distributed around the inner wall of the vertical sliding cavity 324. The negative pressure holes 325 are connected to an external negative pressure system (not shown in the figure) through an air pipe connector fixedly installed on the fixed plate 322, so as to use negative pressure to suck up and fix the rubber membrane after the movable plate 323 descends.

[0060] Five movable plates 323 are provided corresponding to the vertical sliding cavities 324. Each of the five movable plates 323 is adapted to its corresponding vertical sliding cavity 324 and engages with the vertical sliding cavity 324. (Refer to...) Figure 8 and Figure 9 An elastic element 326, which is a compression spring, is provided between the movable plate 323 and the fixed plate 322. The top end of the elastic element 326 abuts against the fixed plate 322, and the bottom end of the elastic element 326 abuts against the bottom of the movable plate 323, so that the movable plate 323 can be reset upward after moving downward. When the elastic element 326 is in its normal state, the top and bottom of the movable plate 323 are parallel to the upper and lower planes of the fixed plate 322, respectively, so that the required rubber membrane can be formed through the top and bottom of the movable plate 323.

[0061] Reference Figure 8 The five movable plates 323 are divided into one first plate 3231 and four second plates 3232, with the first plate 3231 being closer to the geometric center of the middle layer template 32 in the horizontal direction than the second plates 3232. The top of each second plate 3232 is integrally provided with an active flange 3233, and the bottom of each side of the first plate 3231 is integrally provided with a driven flange 3234. The two active flanges 3233 are located directly above the two driven flanges 3234, with a vertical gap between them, to facilitate the downward movement of the first plate 3231 via the second plates 3232, ensuring that the downward movement of the first plate 3231 lags behind the downward movement of the second plates 3232.

[0062] The second plate 3232 moves vertically downwards via the plate drive component 7. The plate drive component 7 is mounted on the equipment frame 1 and is also capable of horizontal movement. (Refer to...) Figures 8 to 11 The second plate 3232 has a driven inclined surface 3235 on its side. The driven inclined surface 3235 extends downward from top to bottom and deflects towards the position of the plate driving member 7. When the plate driving member 7 moves in the horizontal direction, it will contact and cooperate with the driven inclined surface 3235, thereby overcoming the elastic force of the elastic member 326 and pressing the second plate 3232 downward, and driving the first plate 3231 to move downward together.

[0063] The implementation principle of Embodiment 2 of this application is as follows: After the molding die 3 completes thermoplastic molding and moves out of the hot press 2 capable of synchronous hot pressing from the top and bottom, the upper mold cavity 35 and the lower mold cavity 34 open, and the plate driving member 7 moves horizontally inward and contacts the driven inclined surface 3235 of the movable plate 323, applying a horizontal thrust, so that the movable plate 323 overcomes the elastic force of the elastic member 326 and moves vertically downward. The second plate 3232 moves downward first under the action of the plate driving member 7. When the second plate 3232 moves to a certain stroke, its top active flange 3233 contacts the driven flange 3234 of the first plate 3231, thereby driving the first plate 3231 to move downward, so that the timing of the downward movement of the first plate 3231 lags behind that of the second plate 3232.

[0064] When the movable plate 323 moves downward, it pushes a portion of the rubber membrane in the lower mold cavity 34 to peel off from the middle template 32. At the same time, the negative pressure hole 325, which was originally blocked by the movable plate 323, is connected to the upper mold cavity 35. The generated negative pressure adsorbs the rubber membrane in the upper mold cavity 35 onto the middle template 32, reducing the adhesion area between the rubber membrane and the inner wall of the mold cavity and preventing the rubber membrane from being damaged due to excessive force.

[0065] Example 3: This application discloses a thermoplastic molding equipment, which, in addition to all the technical features of the thermoplastic molding equipment described in Example 2, also includes the following technical features: Reference Figure 12 Two plate drive components 7 are provided, located on the horizontal sides of the fixed plate 322 respectively, and also located between two upper drive components. The plate drive component 7 includes a horizontal insertion block 71 and an insertion cylinder 72. The horizontal insertion block 71 is horizontally slidably fitted to the equipment frame 1, and the insertion cylinder 72 is fixedly installed on the equipment frame 1. The output rod of the insertion cylinder 72 is horizontally fixedly installed on the horizontal insertion block 71, so as to insert the horizontal insertion block 71 into the interior of the fixed plate 322 through the driven inclined surface 3235.

[0066] The implementation principle of Embodiment 3 of this application is as follows: After the upper mold cavity 35 and the lower mold cavity 34 are partially opened in sequence, they remain temporarily stationary. Subsequently, the insertion cylinder 72 causes the horizontal insertion block 71 to make horizontal contact with the driven inclined surface 3235 until it is inserted into the interior of the fixed plate 322, causing the movable plate 323 to move vertically downward, and causing the rubber film of the upper mold cavity 35 to adhere to the upper surface of the fixed plate 322, and causing the rubber film of the lower mold cavity 34 to peel off from the lower surface of the fixed plate 322. Afterwards, the upper mold cavity 35 continues to open until it is fully open, and the lower mold cavity 34 subsequently also continues to open until it is fully open.

[0067] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A thermoplastic molding equipment, characterized in that: The equipment includes a frame (1), a hot press (2), a forming mold (3), and a feeding fixture (4). The hot press (2) and the forming mold (3) are both installed on the frame (1). The molding die (3) includes a lower template (31), a middle template (32) and an upper template (33). The lower template (31), the middle template (32) and the upper template (33) are distributed from bottom to top. The molding die (3) is provided with a lower mold cavity (34) and an upper mold cavity (35). The lower mold cavity (34) is opened or closed by the vertical movement of the lower template (31) and the middle template (32). The upper mold cavity (35) is opened or closed by the vertical movement of the upper template (33) and the middle template (32). The feeding fixture (4) includes a first fixture plate (41) and a second fixture plate (42). The first fixture plate (41) has a plurality of first receiving grooves (411) along the thickness direction. The plurality of first receiving grooves (411) are adapted to the strip-shaped raw material of the rubber film and are arranged in parallel with each other. The second fixture plate (42) slides and fits on the first fixture plate (41). The second fixture plate (42) has a plurality of second receiving grooves (422) along the thickness direction. The plurality of second receiving grooves (422) are adapted to the strip-shaped raw material of the rubber film and are arranged in parallel with each other. The number of second receiving grooves (422) is greater than the number of first receiving grooves (411). Two adjacent second receiving grooves (422) are connected to the first receiving grooves (411) in sequence through the reciprocating sliding of the second fixture plate (42).

2. The thermoplastic molding equipment according to claim 1, characterized in that: The equipment frame (1) is equipped with a middle-layer lifting component (5) and an upper-layer lifting component (6). The middle-layer lifting component (5) is used to drive the vertical movement of the middle-layer template (32), and the upper-layer lifting component (6) is used to drive the vertical movement of the upper-layer template (33). The upper mold cavity (35) and the lower mold cavity (34) open sequentially, and the lower mold cavity (34) and the upper mold cavity (35) close sequentially.

3. The thermoplastic molding equipment according to claim 2, characterized in that: The forming mold (3) reciprocates horizontally between the hot press (2) and the middle layer lifting member (5). The middle layer template (32) is provided with a middle layer flange (321), and the bottom of the middle layer flange (321) is provided with a notch. The middle layer lifting member (5) is provided with a horizontally penetrating flange slot (511), and the flange slot (511) is adapted to the middle layer flange (321).

4. The thermoplastic molding equipment according to claim 1, characterized in that: The second tooling plate (42) has a tooling groove (421) extending through it along the thickness direction. The extension direction of the tooling groove (421) is parallel to the sliding direction of the second tooling plate (42). The first tooling plate (41) is equipped with a positioning bolt (43), which passes through the tooling groove (421). In one of the two adjacent second receiving slots (422), when the second receiving slot (422) is connected to the first receiving slot (411) by the reciprocating sliding of the second tooling plate (42), the positioning bolt (43) abuts against one end of the tooling slide (421); in the other of the two adjacent second receiving slots (422), when the second receiving slot (422) is connected to the first receiving slot (411) by the reciprocating sliding of the second tooling plate (42), the positioning bolt (43) abuts against the other end of the tooling slide (421).

5. The thermoplastic molding equipment according to claim 1, characterized in that: The second tooling plate (42) is equipped with two tooling handles (44), which are located on both sides of the second tooling plate (42) respectively, and the distribution direction of the two tooling handles (44) is horizontal and perpendicular to the distribution direction of each second receiving groove (422).

6. The thermoplastic molding equipment according to claim 1, characterized in that: The middle layer template (32) includes a fixed plate (322) and a movable plate (323). The fixed plate (322) has a vertical sliding cavity (324) through it. The interior of the vertical sliding cavity (324) is provided with a negative pressure hole (325). The movable plate (323) is adapted to the vertical sliding cavity (324) and the movable plate (323) slides vertically to cooperate with the vertical sliding cavity (324). The equipment frame (1) is equipped with a plate driving component (7). The plate driving component (7) is used to drive the vertical movement of the movable plate (323).

7. The thermoplastic molding equipment according to claim 6, characterized in that: An elastic element (326) is provided between the movable plate (323) and the fixed plate (322). The movable plate (323) is provided with a driven inclined surface (3235). The plate driving member (7) contacts the driven inclined surface (3235) through horizontal movement. The inclined direction of the driven inclined surface (3235) is from top to bottom and deflects toward the position of the plate driving member (7).

8. The thermoplastic molding equipment according to claim 6, characterized in that: The movable plate (323) is provided in a plurality of parts, and the plurality of movable plates (323) are divided into a first plate (3231) and a second plate (3232). The first plate (3231) is closer to the geometric center of the middle layer template (32) in the horizontal direction than the second plate (3232). The timing of the downward movement of the first plate (3231) lags behind the timing of the downward movement of the second plate (3232).

9. A thermoplastic molding equipment according to claim 8, characterized in that: The first plate (3231) is provided with a driven flange (3234), and the second plate (3232) is provided with an active flange (3233). The active flange (3233) is located at the top of the driven flange (3234), and a vertical gap is provided between the active flange (3233) and the driven flange (3234).

10. A thermoplastic molding equipment according to claim 7, characterized in that: The plate drive component (7) includes a horizontal plug-in block (71) and a plug-in cylinder (72). The horizontal plug-in block (71) is horizontally slidably fitted to the equipment frame (1). The plug-in cylinder (72) is installed on the equipment frame (1), and the output rod of the plug-in cylinder (72) is horizontally installed on the horizontal plug-in block (71).

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