Tire film bidirectional electric heating tool

Abstract

The utility model discloses a kind of tire film bidirectional electric heating tool, comprising: rack;Positioning part, positioning part is set to rack, and is defined with positioning groove, the top end of positioning groove and left and right ends opening are set, positioning groove is used for positioning installation tire, and make the left and right distribution of the central axis of tire;Two fusing components, two fusing components are respectively located at the left and right sides of positioning groove, and fusing component includes driving part and electric heating ring, driving part is set to rack, the side of driving part close to positioning groove has the output shaft that can left and right telescopic, electric heating ring is fixedly connected to output shaft;Wherein, when tire is positioned and installed in positioning groove, driving part can drive electric heating ring to abut against the metal piece of tire, to fuse the coating film covered on metal piece.The utility model embodiment's tire film bidirectional electric heating tool can fuse the coating film covered on the two sides of metal piece of tire once, save time and effort, and efficiency is high.

Description

Technical Field

[0001] This utility model relates to the field of tire processing technology, and in particular to a bidirectional electrothermal tooling for tire films. Background Technology

[0002] In the tire manufacturing industry, after tire vulcanization, the subsequent process involves painting the metal parts of the tire. During painting, it's crucial to ensure that the paint doesn't get on the rubber parts, so the rubber parts need to be wrapped with a protective film. However, during the wrapping process, it's difficult to cover only the rubber parts without covering the metal parts; the film inevitably ends up on the metal. To avoid interfering with painting, the film covering the metal needs to be removed. Currently, the film is typically removed manually by tearing or cutting it off, which is time-consuming, labor-intensive, and extremely inefficient. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a two-way electrothermal tooling for tire films, which can melt and cut the film covering both sides of the metal parts of the tire in one go, saving time and effort and increasing efficiency.

[0004] According to an embodiment of the present invention, a bidirectional electrothermal fixture for tire films includes: frame; The positioning part is disposed on the frame and defines a positioning groove. The top and left and right ends of the positioning groove are open. The positioning groove is used to position and install the tire and to distribute the center axis of the tire left and right. Two fuse components are respectively located on the left and right sides of the positioning groove. Each fuse component includes a driving part and a heating coil. The driving part is disposed on the frame. The side of the driving part near the positioning groove has an output shaft that can extend and retract left and right. The heating coil is fixedly connected to the output shaft. When the tire is positioned in the positioning groove, the driving unit can drive the heating coil to move to the metal part that abuts the tire, so as to melt the covering film covering the metal part.

[0005] The bidirectional electrothermal tooling for tire films according to embodiments of the present invention has at least the following beneficial effects: In this embodiment, the tire to be processed is first transferred into the positioning groove, and the tire is positioned and installed through the positioning groove so that the centerline of the tire is distributed left and right. Then, the driving parts of the two fusion components drive the corresponding heating coils to move towards the tire, so that the two heating coils abut against the two sides of the metal parts of the tire. The heating coils are energized and heated to melt and break the covering film covering the two sides of the metal parts of the tire in one go, which is time-saving, labor-saving and highly efficient.

[0006] According to some embodiments of the present invention, the positioning part includes: Two positioning plates are arranged symmetrically front to back and extend upwards at an angle away from each other to form a V-shaped structure, and the positioning groove is formed between the two positioning plates.

[0007] According to some embodiments of the present invention, the positioning part further includes: Two mounting plates are respectively connected to the inclined top ends of the two positioning plates. The mounting plates are horizontally arranged and used to connect the frame. The tire film bidirectional electrothermal fixture also includes: A material guiding assembly is disposed on the front side of the positioning part and defines a material guiding groove that extends from front to back. The top of the material guiding groove is open, and the bottom wall of the material guiding groove is flush with the upper surface of the mounting plate, for guiding the tire into the positioning groove.

[0008] According to some embodiments of the present invention, the frame is provided with a stop frame that can be moved and adjusted back and forth. The stop frame is located behind the positioning groove and is higher than the positioning groove. The stop frame is used to abut against and limit the movement of the outer circumferential surface of the tire in the positioning groove.

[0009] According to some embodiments of the present invention, the tire film bidirectional electrothermal fixture further includes: Two limiting plates are respectively connected to the left and right sides of the material guiding assembly and are at least partially located directly above the positioning part. The two limiting plates are respectively used to abut and limit the rubber parts of the tire located in the positioning groove. The limiting plate can be moved back and forth relative to the material guiding assembly.

[0010] According to some embodiments of the present invention, the material guiding assembly includes: A support frame, fixed to the machine frame, the upper end of the support frame defining a horizontal support surface, the support surface being flush with the upper surface of the mounting plate; Two baffles are disposed on the support surface and arranged opposite each other on the left and right sides. The two baffles cooperate with the support surface to define the guide trough. Both baffles can be adjusted to move left and right relative to the support frame.

[0011] According to some embodiments of the present invention, the baffle includes: A vertical plate, wherein the vertical plate is set vertically; A horizontal plate is provided at the bottom end of the vertical plate and on the side of the vertical plate away from the guide chute. The horizontal plate is provided with a first adjustment groove that extends to the left and right. The supporting surface is provided with a first vertical through-hole, which is vertically aligned with the first adjusting groove and is fitted with a first locking bolt. The first locking bolt is threaded with a first locking nut to lock the horizontal plate to the supporting frame.

[0012] According to some embodiments of the present invention, the material guiding assembly further includes: Two guide plates are fixed to the front ends of the two baffles and extend forward at an angle away from each other.

[0013] According to some embodiments of the present invention, the bidirectional electrothermal fixture for tire films further includes: Two lifting components are disposed on the frame and connected to the two drive units respectively, for driving the corresponding drive units to move vertically.

[0014] According to some embodiments of the present invention, the lifting assembly includes: A movable frame, which is vertically slidably mounted on the machine frame; An adjusting screw is threaded onto the frame and vertically distributed. An operating wheel is fixed to the top of the adjusting screw, and the bottom of the adjusting screw is rotatably connected to the movable frame for driving the movable frame to slide vertically. The drive unit is connected to the movable frame.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 This is a schematic diagram of the structure of the tire film bidirectional electrothermal tooling with a tire installed according to an embodiment of this utility model; Figure 2 This is a schematic diagram of the connection structure between the positioning part, the material guiding assembly and the frame in an embodiment of this utility model; Figure 3 This is a schematic diagram of the positioning part according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of the connection structure between the material guiding component and the limiting plate in an embodiment of this utility model; Figure 5This is a schematic diagram of the connection structure between the lifting assembly, the fuse assembly, and the frame according to an embodiment of this utility model.

[0017] Icon labels: Tire 10; Frame 100, stop frame 110, second adjusting groove 111, second locking bolt 120; Positioning part 200, positioning groove 201, positioning plate 210, mounting plate 220; Fusible assembly 300, drive unit 310, heating coil 320; Material guiding assembly 400, material guiding trough 401, support frame 410, baffle 420, vertical plate 421, horizontal plate 422, first adjusting groove 423, first locking bolt 430, guide plate 440; Limiting plate 500, third adjusting groove 501, third locking bolt 510; Lifting assembly 600, movable frame 610, adjusting screw 620, operating wheel 621. Detailed Implementation

[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0019] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] In the description of this utility model, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or their sequential relationship.

[0021] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0022] In the tire manufacturing industry, after tire vulcanization, the subsequent process involves painting the metal parts of the tire. During painting, it's crucial to ensure that the paint doesn't get on the rubber parts, so the rubber parts need to be wrapped with a protective film. However, during the wrapping process, it's difficult to cover only the rubber parts without covering the metal parts; the film inevitably ends up on the metal. To avoid interfering with painting, the film covering the metal needs to be removed. Currently, the film is typically removed manually by tearing or cutting it off, which is time-consuming, labor-intensive, and extremely inefficient.

[0023] Therefore, this utility model proposes a bidirectional electrothermal tooling for tire films, which can effectively improve the above-mentioned problems.

[0024] The following describes a bidirectional electrothermal tooling for tire film according to an embodiment of the present invention with reference to the accompanying drawings.

[0025] Reference Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a bidirectional electrothermal tooling for tire film, comprising: a frame 100, a positioning part 200, and two fusion components 300.

[0026] The frame 100 is used to provide a mounting carrier and support for the various components.

[0027] The positioning part 200 is disposed on the frame 100. The positioning part 200 defines a positioning groove 201. The top end and left and right ends of the positioning groove 201 are open. The positioning groove 201 is used to position and install the tire 10 and to distribute the center axis of the tire 10 left and right. Obviously, the tire 10 can enter the positioning groove 201 from the top end of the positioning groove 201.

[0028] Two fuse components 300 are located on the left and right sides of the positioning groove 201, respectively. Each fuse component 300 includes a drive unit 310 and a heating coil 320. The drive unit 310 is mounted on the frame 100. The side of the drive unit 310 closest to the positioning groove 201 has an output shaft that can extend and retract left and right. The heating coil 320 is fixedly connected to the output shaft, meaning that the heating coil 320 can move left and right under the drive of the drive unit 310. It should be noted that the heating coil 320, also known as a heating coil or heating element, is a device that converts electrical energy into heat energy.

[0029] When the tire 10 is positioned and installed in the positioning groove 201, the drive unit 310 can drive the heating coil 320 to move to the metal part of the tire 10 to melt the covering film covering the metal part. The drive units 310 of the two melting components 300 simultaneously drive the corresponding heating coil 320 to move toward the tire 10, so that the covering film covering both sides of the metal part of the tire 10 can be melted at once.

[0030] In this embodiment of the utility model, the bidirectional electrothermal tooling for tire film is used by first transferring the tire 10 to be processed into the positioning groove 201, positioning and installing the tire 10 through the positioning groove 201 so that the central axis of the tire 10 is distributed left and right. Then, the driving parts 310 of the two fusion components 300 drive the corresponding heating coils 320 to move toward the tire 10, so that the two heating coils 320 respectively abut against the two sides of the metal part of the tire 10. The heating coils 320 are energized and heated to melt and cut the covering film covering the two sides of the metal part of the tire 10 in one go, which is time-saving, labor-saving and highly efficient.

[0031] Based on the above embodiments, it is conceivable that, in order to better melt the coating film covering the metal part of the tire 10, the end of the heating coil 320 near the positioning groove 201 can be set into a shape that narrows towards the cross section of the positioning groove 201.

[0032] Based on the above embodiments, it is conceivable that the drive unit 310 can be a pneumatic cylinder or a hydraulic cylinder; in addition, in order to make the electric heating coil 320 move more smoothly, a guide structure that provides left and right guidance can be provided between the drive unit 310 and the electric heating coil 320. The guide structure can take many forms, such as guiding through a shaft and hole mating structure, or other forms. The guide structure is a conventional technical means, so it will not be listed one by one here.

[0033] Reference Figure 1 and Figure 3 As shown, in some embodiments of this utility model, the positioning part 200 includes two positioning plates 210, which are connected to each other and arranged symmetrically front and back. The two positioning plates 210 extend upward at an inclination in a direction away from each other to form a V-shaped structure. The positioning groove 201 is formed between the two positioning plates 210, that is, the positioning groove 201 is a V-shaped groove. In this embodiment, by setting the two positioning plates 210 at an inclination to form a V-shaped structure, a V-shaped positioning groove 201 is formed. The V-shaped shape can support the positioning tire 10. The structure is simple and can be applied to the positioning and installation of tires 10 of various specifications, with strong versatility.

[0034] It should be noted that the tire 10 is usually quite heavy. When the tire 10 is supported on the two positioning plates 210, even if the left and right sides of the tire 10 are not restricted, the tire 10 can be stably supported on the two positioning plates 210 and will not easily tip over.

[0035] Based on the above embodiments, it is conceivable that, in order to match tires 10 of different specifications, the heating coil 320 can be detachably connected to the output shaft to facilitate the replacement of heating coils 320 of different diameters; in addition, the drive unit 310 can be adjusted in height on the frame 100 to match tires 10 of different specifications (the centerline height after being placed in the positioning groove 201 is different).

[0036] Based on the above embodiments, it is conceivable that, in order to improve the positioning stability of the tire 10, the width of the positioning plate 210 in the left-right direction is greater than the width of the tire 10.

[0037] Based on the above embodiments, it is conceivable that the two positioning plates 210 can be integrally formed.

[0038] Reference Figures 1 to 3 As shown, in some embodiments of this utility model, the positioning part 200 further includes two mounting plates 220, which are respectively connected to the inclined top ends of the two positioning plates 210. The mounting plates 220 are horizontally arranged and used to connect the frame 100. The tire film bidirectional electrothermal tooling also includes a material guiding assembly 400, which is disposed on the front side of the positioning part 200. The material guiding assembly 400 defines a material guiding groove 401 that extends through the front and rear. The top end of the material guiding groove 401 is open, and the bottom wall of the material guiding groove 401 is... The guide groove 401 is flush with the upper surface of the mounting plate 220 and is used to guide the tire 10 into the positioning groove 201. In this embodiment, by setting the guide assembly 400 to define the guide groove 401, the front end of the guide assembly 400 can be connected to the upstream tire coating machine. After coating, the tire 10 can be directly guided through the guide groove 401 to the top of the positioning part 200 and then enter the positioning groove 201 for the welding operation. After the welding operation is completed, the tire 10 can be taken out from the rear side of the positioning groove 201.

[0039] Based on the above embodiments, it is conceivable that the mounting plate 220 can be fixed to the frame 100 by one of a variety of methods such as welding or bolt connection, so as to fix the positioning part 200 to the frame 100.

[0040] Based on the above embodiments, it is conceivable that the two positioning plates 210 and the two mounting plates 220 can be integrally formed.

[0041] Reference Figure 2 and Figure 4 As shown, in some embodiments of this utility model, the material guiding assembly 400 includes a support frame 410 and two baffles 420. The support frame 410 is fixed to the frame 100, and the upper end of the support frame 410 defines a horizontal support surface, which is flush with the upper surface of the mounting plate 220. The two baffles 420 are disposed on the support surface and arranged opposite each other from left to right. The two baffles 420 cooperate with the support surface to define a material guiding groove 401. Both baffles 420 can be moved and adjusted left and right relative to the support frame 410. By providing two baffles 420 that can be moved and adjusted left and right, the width of the material guiding groove 401 is adjustable, thus adapting to tires 10 of various widths and providing strong versatility.

[0042] It should be noted that in this embodiment, when the tire 10 passes through the guide groove 401, the outer peripheral surface of the tire 10 contacts the support surface.

[0043] Reference Figure 2 and Figure 4 As shown, in some embodiments of this utility model, the baffle 420 includes a vertical plate 421 and a horizontal plate 422. The vertical plate 421 is vertically arranged, and a guide groove 401 is defined between the vertical plates 421 of the two baffles 420; the horizontal plate 422 is horizontally arranged at the bottom end of the vertical plate 421 and located on the side of the vertical plate 421 away from the guide groove 401, and a first adjusting groove 423 extending left and right is provided on the horizontal plate 422; wherein, the supporting surface is provided with a first mounting hole that penetrates vertically, the first mounting hole is vertically aligned with the first adjusting groove 423 and a first locking bolt 430 is inserted through it, and the first locking bolt 430 is threadedly connected to a first locking nut to lock the horizontal plate 422 to the support frame 410. Specifically, the head of the first locking bolt 430 abuts against the upper surface of the horizontal plate 422, and the first locking nut is located on the lower side of the support frame 410 to abut against the support frame 410.

[0044] By adopting the above structural setting, when it is necessary to adjust the position of the baffle 420, the first locking bolt 430 and the first locking nut can be loosened first to loosen the horizontal plate 422 of the baffle 420. Then, the baffle 420 can be slid left and right to the corresponding position, and then the first locking bolt 430 and the first locking nut can be tightened again to lock the horizontal plate 422. The operation is very convenient.

[0045] Based on the above embodiments, it is conceivable that, in order to improve the convenience of operation, the first locking nut can be welded to the support frame 410, and when adjusting the position of the baffle 420, only the first locking bolt 430 needs to be turned.

[0046] Reference Figure 2 and Figure 4 As shown, in some embodiments of this utility model, the material guiding assembly 400 further includes two guide plates 440, which are respectively fixed to the front ends of two baffles 420. The two guide plates 440 extend forward at an angle away from each other. By setting the two guide plates 440 at an angle, it is easier to guide the tire 10 into the material guiding groove 401. It is conceivable that the guide plates 440 can be integrally formed with the baffles 420.

[0047] Reference Figure 1 and Figure 2As shown, in some embodiments of this utility model, a stop frame 110 that can be moved and adjusted back and forth is provided on the frame 100. The stop frame 110 is located behind the positioning groove 201 and is higher than the positioning groove 201. The stop frame 110 is used to abut against and limit the outer peripheral surface of the tire 10 in the positioning groove 201. In this embodiment, by providing the stop frame 110, the tire 10 can be prevented from rolling out of the positioning groove 201 from the rear side of the positioning groove 201 under the action of inertia during the process of rolling from the guide groove 401 into the positioning groove 201. On the other hand, when the tire 10 is stationary in the positioning groove 201, the stop frame 110 can also play a certain limiting role for the tire 10. By making the stop frame 110 able to move and adjust back and forth, different specifications of tires 10 can be matched to ensure that the stop frame 110 can contact the outer peripheral surface of the tire 10 placed in the positioning groove 201.

[0048] In some specific embodiments, refer to Figure 2 As shown, the stop frame 110 is configured as an L-shaped plate structure. The stop frame 110 is provided with a second adjustment groove 111 that extends forward and backward and penetrates vertically. The frame 100 is provided with a second mounting hole that penetrates vertically. The second mounting hole is vertically aligned with the second adjustment groove 111 and a second locking bolt 120 is inserted through it. The second locking bolt 120 is threadedly connected to a second locking nut. The head of the second locking bolt 120 abuts against the upper end face of the stop frame 110, and the second locking nut is located on the lower side of the frame 100 to abut against the frame 100. The stop frame 110 is locked to the frame 100 by the second locking bolt 120 and the second locking nut. When it is necessary to adjust the position of the stop bracket 110, the second locking bolt 120 and the second locking nut can be loosened first to loosen the stop bracket 110. Then, the stop bracket 110 can be slid back and forth to the corresponding position, and then the second locking bolt 120 and the second locking nut can be tightened again to lock the stop bracket 110. The operation is very convenient.

[0049] Understandably, in order to reduce the use of fasteners, the mounting plate 220 at the rear end of the positioning part 200 can be fixed to the frame 100 using the second locking bolt 120 and the second locking nut.

[0050] Reference Figure 1 and Figure 4 As shown, in some embodiments of this utility model, the bidirectional electric heating fixture for tire film further includes two limiting plates 500. The two limiting plates 500 are respectively connected to the left and right sides of the material guiding assembly 400 and are at least partially located directly above the positioning part 200. The two limiting plates 500 are respectively used to abut and limit the left and right sides of the rubber part of the tire 10 located in the positioning groove 201. The limiting plates 500 can be adjusted to move back and forth relative to the material guiding assembly 400.

[0051] Understandably, although the tire 10 is placed in the positioning groove 201 and will not easily tip over, in order to make the equipment more reliable, this embodiment sets two limiting plates 500. The two limiting plates 500 abut against the left and right sides of the rubber part of the tire 10 located in the positioning groove 201 to limit its position. The function of the limiting plates 500 being able to move back and forth relative to the material guide assembly 400 is to prevent the limiting plates 500 from blocking the metal part of the tire 10 and to avoid interference with the limiting plates 500 when the heating coil 320 melts the coating film on the metal part.

[0052] It is conceivable that the forward and backward movement adjustment of the limit plate 500 can adopt a structure similar to that used for the left and right movement adjustment of the baffle 420.

[0053] For example, in some specific embodiments, refer to Figure 4 As shown, two limiting plates 500 are respectively installed on the vertical plates 421 of the two baffles 420, and protrude rearward from the vertical plates 421. Each limiting plate 500 has a third adjusting groove 501 extending forward and backward and penetrating left and right. The vertical plate 421 has a third mounting hole penetrating left and right, aligned with the third adjusting groove 501, and through which a third locking bolt 510 passes. The third locking bolt 510 is threadedly connected to a third locking nut. The head of the third locking bolt 510 and the third locking nut are located on opposite sides of the limiting plate 500 and the vertical plate 421, respectively. The limiting plate 500 is locked to the vertical plate 421 by the third locking bolt 510 and the third locking nut. The adjustment method and principle of the limiting plate 500 are the same as those of the baffle 420, and will not be described in detail here.

[0054] Reference Figure 1 and Figure 5 As shown, in some embodiments of this utility model, the bidirectional electric heating fixture for tire film also includes two lifting components 600. The two lifting components 600 are disposed on the frame 100 and are respectively connected to two drive units 310. The two lifting components 600 are used to drive the two drive units 310 to move vertically, thereby matching tires 10 of different specifications.

[0055] In some specific embodiments, refer to Figure 1 and Figure 5As shown, the lifting assembly 600 includes a movable frame 610 and an adjusting screw 620. The movable frame 610 is vertically slidably mounted on the frame 100. The adjusting screw 620 is threaded onto the frame 100 and vertically distributed. An operating wheel 621 is fixed to the top of the adjusting screw 620, and the bottom of the adjusting screw 620 is rotatably connected to the movable frame 610 for driving the movable frame 610 to slide vertically. Obviously, the adjusting screw 620 and the movable frame 610 are relatively fixed in the vertical direction, and their relative rotation axes are vertically distributed. The drive unit 310 is connected to the movable frame 610. When the drive unit 310 needs to be adjusted vertically, the operating wheel 621 is rotated to drive the adjusting screw 620 to rotate, thereby causing the adjusting screw 620 to produce a vertical displacement, which in turn drives the movable frame 610 to move vertically, thus realizing the vertical adjustment of the drive unit 310. The operation is very convenient.

[0056] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine different embodiments or examples described in this specification.

[0057] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A bidirectional electrothermal tooling for tire films, characterized in that, include: frame; The positioning part is disposed on the frame and defines a positioning groove. The top and left and right ends of the positioning groove are open. The positioning groove is used to position and install the tire and to distribute the center axis of the tire left and right. Two fuse components are respectively located on the left and right sides of the positioning groove. Each fuse component includes a driving part and a heating coil. The driving part is disposed on the frame. The side of the driving part near the positioning groove has an output shaft that can extend and retract left and right. The heating coil is fixedly connected to the output shaft. When the tire is positioned in the positioning groove, the driving unit can drive the heating coil to move to the metal part that abuts the tire, so as to melt the covering film covering the metal part.

2. The bidirectional electrothermal tooling for tire films according to claim 1, characterized in that, The positioning unit includes: Two positioning plates are arranged symmetrically front to back and extend upwards at an angle away from each other to form a V-shaped structure, and the positioning groove is formed between the two positioning plates.

3. The bidirectional electrothermal tooling for tire films according to claim 2, characterized in that, The positioning unit also includes: Two mounting plates are respectively connected to the inclined top ends of the two positioning plates. The mounting plates are horizontally arranged and used to connect the frame. The tire film bidirectional electrothermal fixture also includes: A material guiding assembly is disposed on the front side of the positioning part and defines a material guiding groove that extends from front to back. The top of the material guiding groove is open, and the bottom wall of the material guiding groove is flush with the upper surface of the mounting plate, for guiding the tire into the positioning groove.

4. The bidirectional electrothermal tooling for tire films according to claim 3, characterized in that, The frame is provided with a stop bracket that can move and adjust back and forth. The stop bracket is located behind the positioning groove and is higher than the positioning groove. The stop bracket is used to abut against the outer peripheral surface of the tire in the positioning groove for limiting its movement.

5. The bidirectional electrothermal tooling for tire films according to claim 3, characterized in that, The tire film bidirectional electrothermal fixture also includes: Two limiting plates are respectively connected to the left and right sides of the material guiding assembly and are at least partially located directly above the positioning part. The two limiting plates are respectively used to abut and limit the rubber parts of the tire located in the positioning groove. The limiting plate can be moved back and forth relative to the material guiding assembly.

6. The bidirectional electrothermal tooling for tire films according to claim 3, characterized in that, The feeding assembly includes: A support frame, fixed to the machine frame, the upper end of the support frame defining a horizontal support surface, the support surface being flush with the upper surface of the mounting plate; Two baffles are disposed on the support surface and arranged opposite each other on the left and right sides. The two baffles cooperate with the support surface to define the guide trough. Both baffles can be adjusted to move left and right relative to the support frame.

7. The bidirectional electrothermal tooling for tire films according to claim 6, characterized in that, The baffle includes: A vertical plate, wherein the vertical plate is set vertically; A horizontal plate is horizontally disposed at the bottom end of the vertical plate and located on the side of the vertical plate away from the guide chute. The horizontal plate is provided with a first adjustment groove extending to the left and right. The supporting surface is provided with a first vertical through-hole, which is vertically aligned with the first adjusting groove and is fitted with a first locking bolt. The first locking bolt is threaded with a first locking nut to lock the horizontal plate to the supporting frame.

8. The bidirectional electrothermal tooling for tire films according to claim 6, characterized in that, The feeding assembly also includes: Two guide plates are fixed to the front ends of the two baffles and extend forward at an angle away from each other.

9. The bidirectional electrothermal tooling for tire films according to claim 1, characterized in that, The tire film bidirectional electrothermal fixture also includes: Two lifting components are disposed on the frame and connected to the two drive units respectively, for driving the corresponding drive units to move vertically.

10. The bidirectional electrothermal tooling for tire films according to claim 9, characterized in that, The lifting assembly includes: A movable frame, which is vertically slidably mounted on the frame; An adjusting screw is threaded onto the frame and vertically distributed. An operating wheel is fixed to the top of the adjusting screw, and the bottom of the adjusting screw is rotatably connected to the movable frame for driving the movable frame to slide vertically. The drive unit is connected to the movable frame.

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