Carcass cylinder production device and molding machine

Abstract

The utility model provides a carcass cylinder production device and a forming machine. Wherein the carcass cylinder production device comprises a first box body, a first forward and reverse wrapping device, an expansion and shrinkage device and a transfer processing device, the first box body is rotatably arranged, the first forward and reverse wrapping device is connected with the first box body, and the expansion and shrinkage device is connected with the first box body; the first forward and reverse wrapping device and the expansion and shrinkage device are located on different circumferential side faces of the first box body and rotate along with the first box body, the transmission machining device and the first box body are located on the two sides of the drum correspondingly, and the first box body has a transmission state and a machining state; and when the first box body is in the machining state, the first box body rotates to the position where the expansion and shrinkage device is axially aligned with the transfer machining device, and when the first box body is in the machining state, the first box body rotates to the position where the first forward and reverse wrapping device is axially aligned with the transfer machining device. According to the utility model, the problem of inconvenience in switching between a forward and reverse packing device and an expansion and contraction device in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the field of tire processing, in particular to a tire body tube production device and a molding machine. Background Art

[0002] The rubber required by traditional agricultural tire forming machines is usually produced in the bias tire production method in the previous process. Each layer of rubber is produced into a cylindrical form in advance, and the rubber is laminated using an expansion and contraction device and a transfer device on the forming machine, and the tire body tube is formed through the left and right positive and negative packaging devices. The positive and negative packaging device and the expansion and contraction device on the left side of the equipment usually need to be installed on two independent boxes, which are switched in parallel to each other for operation. The structure is complex, the cost is high, the production sequence is long, and there is a certain risk of collision. Utility Model Content

[0003] The main purpose of the utility model is to provide a carcass tube production device and a forming machine to solve the problem of inconvenient switching between a positive and negative packing device and an expansion and contraction device in the prior art.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a carcass tube production device is provided, including a first box, a first forward and reverse packaging device, an expansion and contraction device, and a transfer processing device. The first box can be rotatably arranged, the first forward and reverse packaging device is connected to the first box, the expansion and contraction device is connected to the first box, and the first forward and reverse packaging device and the expansion and contraction device are located at different circumferential sides of the first box and rotate with the first box, the transfer processing device and the first box are respectively located on both sides of the drum, the first box has a transfer state and a processing state, when the first box is in the transfer state, the first box rotates to a position where the expansion and contraction device is axially aligned with the transfer processing device, and when the first box is in the processing state, the first box rotates to a position where the first forward and reverse packaging device is axially aligned with the transfer processing device.

[0005] Furthermore, the expansion and contraction device and the first forward and reverse packing device are located at adjacent sides of the first box body in the circumferential direction.

[0006] Furthermore, the axis of the expansion and contraction device is arranged perpendicularly to the axis of the first forward and reverse packaging device.

[0007] Furthermore, the first box body can be laterally moved relative to the transfer processing device, and the first box body also has an avoidance state away from the transfer processing device. When the first box body is in the transfer state and the processing state, it is closer to the transfer processing device than when it is in the avoidance state.

[0008] Furthermore, the carcass tube production device also includes a moving mechanism, which includes a frame and a moving frame. The moving frame is movably arranged relative to the frame. The first box is connected to the moving frame and moves laterally driven by the moving frame.

[0009] Furthermore, the transfer processing device has a docking end, and at least one of the first positive and negative packaging device and the expansion and contraction device has a docking structure, and the docking structure can be docked and cooperated with the docking end to support the transfer processing device.

[0010] Further, one of the butt joint end and the butt joint structure is a protrusion, and the other of the butt joint end and the butt joint structure is a groove. When the butt joint end is axially aligned with the butt joint structure, the protrusion is located in the groove.

[0011] Furthermore, the transfer processing device includes a transfer device and a second forward and reverse packaging device. When the first box body is in a transfer state, the expansion and contraction device is axially aligned with the transfer device, and the second forward and reverse packaging device is located on the side of the transfer device away from the first box body. When the first box body is in a processing state, the first forward and reverse packaging device is axially aligned with the second forward and reverse packaging device, and the second forward and reverse packaging device has an extension section extending axially toward the first box body, and the end of the extension section serves as a docking end.

[0012] Furthermore, the transfer processing device also includes a second box body, which is located on a side of the second forward and reverse packaging device away from the transfer device, and the driving components of the transfer device and the second forward and reverse packaging device are located in the box body.

[0013] According to another aspect of the present invention, a molding machine is provided, comprising the above-mentioned carcass tube production device.

[0014] By applying the technical solution of the utility model, the first positive and negative packaging device and the expansion and contraction device are integrated into the circumferential side of the first box body and the two are located at different surfaces of the circumferential side, and the first box body is rotatable, so as to realize the rapid switching of the positions of the first positive and negative packaging device and the expansion and contraction device, thereby cooperating with the transfer processing device to complete the processing and transmission actions respectively. Specifically, when the first box body rotates, the first positive and negative packaging device and the expansion and contraction device are driven to rotate at the same time, so that the first positive and negative packaging device and the expansion and contraction device change their positions along the circumferential side of the first box body, thereby changing the cooperation relationship between the two and the transfer processing device. When the first positive and negative packaging device is rotated to be axially aligned with the transfer processing device, the processing action is completed, and when the expansion and contraction device is rotated to be axially aligned with the transfer processing device, the transfer action is completed. In this way, only the first box body needs to be rotated to complete the switching of the processing action and the transfer action. The structure is simple, the switching is convenient and fast, the production efficiency is improved, the cost is reduced, and the production layout is optimized. At the same time, the simultaneous rotation of the first positive and negative packaging device and the expansion and contraction device makes the relative position between the two unchanged, thereby avoiding the risk of collision between the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 The schematic diagram of the structure of the carcass tube production device of the utility model in the transfer state is shown;

[0017] Figure 2 A schematic diagram of the structure of the carcass tube production device in the processing state is shown;

[0018] Figure 3 A structural schematic diagram of a docking end and a docking structure is shown.

[0019] The above drawings include the following reference numerals:

[0020] 10. First box body; 20. First forward and reverse packaging device; 21. Docking structure; 30. Expansion and contraction device; 40. Transfer processing device; 41. Transfer device; 42. Second forward and reverse packaging device; 421. Extension section; 422. Docking end; 43. Second box body; 50. Moving mechanism; 51. Frame; 52. Moving frame; 60. Drum. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0023] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0024] In order to solve the problem of inconvenient switching between the front and back packing device and the expansion and contraction device in the prior art, the utility model provides a carcass tube production device and a forming machine. The forming machine includes the following carcass tube production device.

[0025] like Figures 1 to 3A carcass tube production device shown in the figure includes a first box body 10, a first positive and negative packaging device 20, an expansion and contraction device 30, and a transfer processing device 40. The first box body 10 can be rotatably arranged, the first positive and negative packaging device 20 is connected to the first box body 10, the expansion and contraction device 30 is connected to the first box body 10, and the first positive and negative packaging device 20 and the expansion and contraction device 30 are located at different circumferential sides of the first box body 10 and rotate with the first box body 10. The transfer processing device 40 and the first box body 10 are respectively located on both sides of the drum 60. The first box body 10 has a transfer state and a processing state. When the first box body 10 is in the transfer state, the first box body 10 rotates to a position where the expansion and contraction device 30 is axially aligned with the transfer processing device 40. When the first box body 10 is in the processing state, the first box body 10 rotates to a position where the first positive and negative packaging device 20 is axially aligned with the transfer processing device 40.

[0026] In this embodiment, the first positive and negative packaging device 20 and the expansion and contraction device 30 are integrated into the peripheral side of the first box body 10 and the two are located at different surfaces of the peripheral side. At the same time, the first box body 10 can be rotatably arranged to realize the rapid switching of the positions of the first positive and negative packaging device 20 and the expansion and contraction device 30, so as to cooperate with the transfer processing device 40 to complete the processing and transfer actions respectively. Specifically, when the first box body 10 rotates, the first positive and negative packaging device 20 and the expansion and contraction device 30 are driven to rotate at the same time, so that the first positive and negative packaging device 20 and the expansion and contraction device 30 change their positions along the peripheral side of the first box body 10, thereby changing the two and the transfer processing device 40. The matching relationship between the devices 40 is that when the first positive and negative packaging device 20 rotates to be axially aligned with the transfer processing device 40, the processing action is completed, and when the expansion and contraction device 30 rotates to be axially aligned with the transfer processing device 40, the transfer action is completed. In this way, it is only necessary to rotate the first box body 10 to complete the switching between the processing action and the transfer action. The structure is simple, the switching is convenient and fast, the production efficiency is improved, the cost is reduced, and the production layout is optimized. At the same time, the simultaneous rotation of the first positive and negative packaging device 20 and the expansion and contraction device 30 makes the relative position between the two unchanged, avoiding the risk of collision between the two.

[0027] It should be noted that the rotation of the first positive and negative packing device 20 and the expansion and contraction device 30 in this embodiment, unless otherwise specified, refers to the first positive and negative packing device 20 and the expansion and contraction device 30 rotating as a whole around the rotation axis of the first box body 10 driven by the first box body 10, and does not refer to the self-rotation of the first positive and negative packing device 20 and the expansion and contraction device 30. The left and right direction in this embodiment refers to the direction of the lateral movement of the first box body 10, corresponding to Figure 1 , Figure 2 The left and right direction in .

[0028] In this embodiment, the expansion and contraction device 30 and the first positive and negative packaging device 20 are located at the circumferentially adjacent side of the first box body 10. Specifically, when the first box body 10 rotates, the first positive and negative packaging device 20 and the expansion and contraction device 30 rotate simultaneously. If one of the two moves in a direction away from the transfer processing device 40, then the other must move in a direction close to the transfer processing device 40. In this way, when one of the two is axially aligned with the transfer processing device 40, the axial direction of the other must form a certain angle with the axial direction of the transfer processing device 40, so that the two do not interfere with each other and avoid the risk of collision. Moreover, the circumferentially adjacent positions can reduce the rotation amplitude of the first box body 10, so that the first box body 10 only needs to reciprocate within a certain range, and does not have to rotate in one direction all the time, resulting in a large amount of unnecessary distance.

[0029] In this embodiment, the axis of the expansion and contraction device 30 is arranged perpendicular to the axis of the first forward and reverse packaging device 20. In this way, when one of the first forward and reverse packaging device 20 and the expansion and contraction device 30 is axially aligned with the transfer processing device 40, the other can completely avoid the area near the axial production line of the tire body tube production device, that is, the other is located outside the production area. This makes it convenient to set up other components. At the same time, when performing operations such as loading components outside the production area, people can stay away from the entire device, thereby having a larger range of activities and reducing operational risks.

[0030] The first box body 10 of the present embodiment adopts a rectangular structure, and has four side surfaces in total in the circumferential direction, and the four side surfaces are perpendicular to each other in sequence, and the expansion and contraction device 30 and the first positive and negative packaging device 20 are arranged on two adjacent side surfaces, and their axes are perpendicular to the side surfaces where they are located. In this way, on the one hand, the aforementioned effect of ensuring that the expansion and contraction device 30 and the first positive and negative packaging device 20 do not interfere with each other, and that one of them is located outside the production area to ensure safety can be achieved. On the other hand, the structure can be simplified without the need to set up a complex structure, thereby reducing processing and use costs.

[0031] In this embodiment, the first housing 10 is arranged to be laterally movable relative to the transfer processing device 40, and the first housing 10 also has an avoidance state located away from the transfer processing device 40. The first housing 10 is closer to the transfer processing device 40 when it is in the transfer state and the processing state than when it is in the avoidance state. Specifically, the first housing 10 moves laterally to make the first positive and negative packaging device 20 or the expansion and contraction device 30 close to the transfer processing device 40 to complete the processing or transfer of the rubber barrel. When the first housing 10 needs to switch the positions of the first positive and negative packaging device 20 and the expansion and contraction device 30 by rotation, the first housing 10 drives the first positive and negative packaging device 20 and the expansion and contraction device 30 to retreat to the avoidance state to avoid collision and damage between the first positive and negative packaging device 20 or the expansion and contraction device 30 and the drum 60 during rotation.

[0032] In this embodiment, the carcass tube production device further includes a moving mechanism 50, which includes a frame 51 and a moving frame 52. The moving frame 52 is movably arranged relative to the frame 51. The first box 10 is connected to the moving frame 52 and moves laterally under the drive of the moving frame 52. Specifically, the frame 51 is a basic component, and the moving frame 52 is supported and arranged on the frame 51. The moving frame 52 can move laterally relative to the frame 51, that is, along the Figure 1 The first box 10 is moved in the left and right directions, thereby driving the first box 10 to move left and right, so that the first box 10 can be close to and away from the transfer processing device 40. It should be noted that the connection and driving method of the mobile frame 52 and the frame 51 are not limited, and the lateral movement of the mobile frame 52 can be achieved. The mobile frame 52 and the frame 51 can be connected by a linear guide, a ball screw, etc., and a cylinder, a motor, etc. can also be used to drive the lateral movement of the mobile frame 52.

[0033] In this embodiment, the transfer processing device 40 has a docking end 422, and at least one of the first front and back packaging device 20 and the expansion and contraction device 30 has a docking structure 21, and the docking structure 21 can be docked with the docking end 422 to support the transfer processing device 40. Specifically, in this embodiment, considering the need for tail frame support, a method of providing the docking structure 21 on the first front and back packaging device 20 is adopted. When the first box body 10 is in the processing state, since the transfer processing device 40 and the first front and back packaging device 20 are respectively provided with a docking end 422 and a docking structure 21 at one end close to each other, at this time, the docking end 422 and the docking structure 21 can be docked and matched, thereby connecting the first front and back packaging device 20 and the transfer processing device 40 together, so that the first front and back packaging device 20 plays the function of tail frame support, thereby improving the coaxial accuracy of the first front and back packaging device 20 and the transfer processing device 40, and improving the quality of the tire. Of course, the docking structure 21 can also be provided on the expansion and contraction device 30 as needed.

[0034] like Figure 3As shown, in this embodiment, one of the docking end 422 and the docking structure 21 is a protrusion, and the other of the docking end 422 and the docking structure 21 is a groove. When the docking end 422 is axially aligned with the docking structure 21, the protrusion is located in the groove. In this embodiment, the docking structure 21 is a protrusion, and the docking end 422 is a groove. In this way, when the first box body 10 rotates the first positive and negative packaging device 20 to axially align with the transfer processing device 40 and then moves laterally in the direction close to the transfer processing device 40, the docking structure 21 moves rightward with the first positive and negative packaging device 20 to approach the docking end 422. In this embodiment, the groove approaches the protrusion, so that the protrusion is inserted into the groove, thereby ensuring the coaxial accuracy of the first positive and negative packaging device 20 and the transfer processing device 40. When the first box body 10 moves from right to left, the groove moves leftward accordingly, so that the protrusion is separated from the groove, the supporting effect is released, and the axial limit of the protrusion on the first box body 10 is released, so that the first box body 10 can rotate. Of course, the structures of the docking structure 21 and the docking end 422 can be interchanged, and the docking structure 21 can be set as a protrusion, and the docking end 422 can be set as a groove. Preferably, the protrusion can be set as a pin shape, and correspondingly, the groove is set as a round hole. The round surface reduces friction and resistance, making the insertion and extraction of the protrusion smoother. Of course, the protrusion can also be set as a square, and the groove is set as a square hole accordingly.

[0035] In this embodiment, the transfer processing device 40 includes a transfer device 41 and a second forward and reverse packaging device 42. The transfer device 41 and the second forward and reverse packaging device 42 are coaxially arranged, and their axes are also colinear with the axis of the entire device. The second forward and reverse packaging device 42 is located on the side of the transfer device 41 away from the first box body 10. The transfer device 41 cooperates with the expansion and contraction device 30 to play a role in component transfer, and the second forward and reverse packaging device 42 cooperates with the first forward and reverse packaging device 20 to play a role in processing such as forward and reverse packaging. When the first box body 10 is in a transfer state, the expansion and contraction device 30 is axially aligned with the transfer device 41. When the first box body 10 is in a processing state, the first forward and reverse packaging device 20 is axially aligned with the second forward and reverse packaging device 42. The second forward and reverse packaging device 42 has an extension section 421 extending axially toward the first box body 10, and the end of the extension section 421 serves as a docking end 422. In other words, if Figure 1 , Figure 2 As shown, the transfer device 41 is annular as a whole, and the extending section 421 of the second forward and reverse packaging device 42 is located at the central axis, which can pass through the transfer device 41 from the right side of the transfer device 41 to the left side, so that the docking end 422 cooperates with the docking structure 21.

[0036] In this embodiment, the transfer processing device 40 further includes a second box 43, which is located on the side of the second forward and reverse packing device 42 away from the transfer device 41, and the driving components of the transfer device 41 and the second forward and reverse packing device 42 are located in the second box 43. In other words, the first box 10 and the second box 43 are symmetrically arranged at the left and right ends of the carcass tube production device, serving as supporting components of various devices installed on the box, providing support and installation space for various devices.

[0037] It should be noted that, in this embodiment, the expansion and contraction device 30 is used to realize the loading and expansion of the rubber barrel, and cooperates with the transfer device 41 to complete the transfer of the rubber; the drum 60 is installed on the main shaft of the second box body 43, and the transfer device 41 transfers the rubber barrel from the expansion and contraction device 30 to the drum 60, thereby completing the transfer process of the rubber barrel; the first forward and reverse packaging device 20 is installed on the first box body 10, and the second forward and reverse packaging device 42 is installed on the second box body 43, and the two together complete the forward and reverse packaging action of the rubber; the first forward and reverse packaging device 20 and the expansion and contraction device 30 are installed together on the first box body 10, and switch actions with each other to realize the switching of forward and reverse packaging and rubber transfer actions.

[0038] The use process of the carcass tube production device of this embodiment is as follows:

[0039] 1. When the first box body 10 is in the processing state, the axis of the first positive and negative packaging device 20 is in line with the axis of the whole machine. At this time, the expansion and contraction device 30 is perpendicular to the axis of the whole machine. The first box body 10 retreats to the left, and the expansion and contraction device 30 shrinks to the minimum diameter. The rubber material is manually placed on the expansion and contraction device 30 to complete manual loading;

[0040] 2. The first box body 10 rotates 90 degrees counterclockwise, and the expansion and contraction device 30 is in line with the axis of the whole machine. At this time, the expansion and contraction device 30 expands its diameter to ensure that the rubber material is in a tensioned state;

[0041] 3. The first box 10 moves to the right to the transfer position. At this time, the transfer device 41 moves the rubber barrel from the expansion and contraction device 30 to the drum 60, completing the transfer process;

[0042] 4. The first box 10 moves to the left to switch to the avoidance state, and then rotates 90 degrees clockwise to ensure that the axis of the first forward and reverse packaging device 20 is in line with the axis of the whole machine;

[0043] 5. The first box body 10 moves to the right to the processing position. At this time, the docking structure 21 of the first front and back packaging device 20 and the docking end 422 of the second front and back packaging device 42 complete the insertion action. The first front and back packaging device 20 plays the role of tail frame support to ensure the coaxial accuracy of the first front and back packaging device 20 and the second front and back packaging device 42;

[0044] 6. The first front and back packing device 20 and the second front and back packing device 42 complete the front packing, tire bead mounting and back packing actions;

[0045] 7. The first box 10 moves to the left and returns to the avoidance state;

[0046] 8. The expansion and contraction device 30 is shrunk to the minimum diameter, and the rubber material is manually placed on the expansion and contraction device 30 to complete manual loading;

[0047] 9. Repeat steps 2, 3, and 4 to complete the rubber barrel transfer action;

[0048] 10. Repeat step 5 to complete the tailstock support function, and the whole machine completes the positive packaging action;

[0049] 11. The first box 10 is returned, completing a carcass tube production operation.

[0050] It should be noted that, the multiple in the above embodiments refers to at least two.

[0051] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0052] 1. Solve the problem of inconvenient switching between the first forward and reverse packing device and the expansion and contraction device in the prior art;

[0053] 2. Only by rotating the first box can the switching between processing and transfer actions be completed. The structure is simple, the switching is convenient and fast, which improves the production efficiency, reduces the cost and optimizes the production layout;

[0054] 3. The coaxial accuracy of the first positive and negative packaging device and the transfer processing device is improved, thereby improving the quality of the tire.

[0055] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0056] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0057] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0058] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A carcass tube production device, characterized in that: include: A first box body (10), wherein the first box body (10) is rotatably arranged; A first forward and reverse packaging device (20), wherein the first forward and reverse packaging device (20) is connected to the first box (10); an expansion and contraction device (30), the expansion and contraction device (30) being connected to the first box body (10), and the first forward and reverse packing device (20) and the expansion and contraction device (30) being located at different circumferential sides of the first box body (10) and rotating together with the first box body (10); A transfer processing device (40), wherein the transfer processing device (40) and the first box body (10) are respectively located on both sides of the drum (60), and the first box body (10) has a transfer state and a processing state. When the first box body (10) is in the transfer state, the first box body (10) rotates to a position where the expansion and contraction device (30) is axially aligned with the transfer processing device (40); when the first box body (10) is in the processing state, the first box body (10) rotates to a position where the first forward and reverse packaging device (20) is axially aligned with the transfer processing device (40).

2. The carcass tube production device according to claim 1, characterized in that: The expansion and contraction device (30) and the first forward and reverse packing device (20) are located on circumferentially adjacent side surfaces of the first box body (10).

3. The carcass tube production device according to claim 2, characterized in that: The axis of the expansion and contraction device (30) is arranged perpendicular to the axis of the first forward and reverse packaging device (20).

4. The carcass tube production device according to claim 1, characterized in that: The first box (10) is laterally movable relative to the transfer processing device (40), and the first box (10) also has an avoidance state located away from the transfer processing device (40). When the first box (10) is in the transfer state and the processing state, it is closer to the transfer processing device (40) than when it is in the avoidance state.

5. The carcass tube production device according to claim 4, characterized in that: The carcass tube production device also includes a moving mechanism (50), the moving mechanism (50) includes a frame (51) and a moving frame (52), the moving frame (52) is movably arranged relative to the frame (51), and the first box (10) is connected to the moving frame (52) and moves laterally under the drive of the moving frame (52).

6. The carcass tube production device according to claim 1, characterized in that: The transfer processing device (40) has a docking end (422), and at least one of the first positive and negative packaging device (20) and the expansion and contraction device (30) has a docking structure (21), and the docking structure (21) can be docked and cooperated with the docking end (422) to support the transfer processing device (40).

7. The carcass tube production device according to claim 6, characterized in that: One of the butt joint end (422) and the butt joint structure (21) is a protrusion, and the other of the butt joint end (422) and the butt joint structure (21) is a groove; when the butt joint end (422) is axially aligned with the butt joint structure (21), the protrusion is located in the groove.

8. The carcass tube production device according to claim 6, characterized in that: The transfer processing device (40) comprises: A transfer device (41), wherein when the first box (10) is in the transfer state, the expansion and contraction device (30) is axially aligned with the transfer device (41); A second forward and reverse packaging device (42), wherein the second forward and reverse packaging device (42) is located on a side of the transfer device (41) away from the first box body (10); when the first box body (10) is in the processing state, the first forward and reverse packaging device (20) is axially aligned with the second forward and reverse packaging device (42); the second forward and reverse packaging device (42) has an extension section (421) extending axially toward the first box body (10), and the end of the extension section (421) serves as the docking end (422).

9. The carcass tube production device according to claim 8, characterized in that: The transfer processing device (40) further comprises a second box body (43), wherein the second box body (43) is located on a side of the second forward and reverse packaging device (42) away from the transfer device (41), and a driving component of the transfer device (41) and the second forward and reverse packaging device (42) is located in the box body.

10. A molding machine, characterized in that: A carcass tube production device comprising the device described in any one of claims 1 to 9.

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