Running platform for forming tools and corrugated tube forming machine

Abstract

Running platform for mold tools, comprising two symmetrically arranged platform bodies, wherein the platform body is provided with a circular raceway and a main drive device, and several sliding seats for mounting the mold tools are slidably arranged on the raceway, characterized in that the raceway comprises a mold section, a mold opening section, an upstream return section, a rapid return section and a downstream return section connected in series to form a loop, the sliding seats on the downstream return section, the mold section, the mold opening section and the upstream return section are arranged close together, the main drive device is configured to drive the sliding seats on the downstream return section, the mold section, the mold opening section and the upstream return section to slide at a speed V1, and a rapid return device is further provided on the platform body, wherein the rapid return device is configured at least to drive the sliding seats on the rapid return section.so that they move towards the downstream return section at a velocity V2, where V2 is greater than V1; , The rapid return device comprises a drive mechanism for starting and a start-up module which is driven by the drive mechanism for starting; The starting module comprises several sets of starting components arranged at intervals, wherein the starting component includes a starting shaft rotatably mounted on the platform body and a starting gear fixed to the starting shaft, designed to engage with the sliding seat and thus to start the sliding seat, all starting shafts are arranged parallel to each other, and one of the starting shafts is in drive connection with the starting drive mechanism, and all starting shafts are simultaneously rotated synchronously by a gear mechanism.

Description

TECHNICAL AREA

[0001] The present invention relates to the technical field of corrugated tube forming machines, in particular a running platform for forming tools and a corrugated tube forming machine. STATE OF THE ART

[0002] In the prior art corrugated tube forming machine, several sliding seats are arranged to be slidable along their track. All sliding seats are positioned close together, and the forming tools are mounted on the sliding seats. During movement, the main drive device powers the gear drive components. The movement is achieved by engaging the gear drive components on the sliding seats and by sliding the previous sliding seat onto the next, thereby creating a complete, ring-shaped chain structure. This chain structure must be a complete, closed loop and must not have any gaps between the intermediate sliding seats.

[0003] In the corrugated tube forming machine with the configuration described above, the track comprises a forming section, a forming opening section, and a return section, connected sequentially to form a loop. Currently, the length of the forming section is frequently extended to increase the cooling and curing time of the tube, thus enabling the production of high-quality tubes. However, extending the forming section necessitates a corresponding increase in the number of forming tools, inevitably leading to higher production costs. The question of how to extend the length of the forming section without increasing the number of forming tools, thereby enabling the production of high-quality tubes, presents a pressing technical challenge that requires a solution. REVELATION OF THE INVENTION

[0004] In view of the aforementioned shortcomings of the prior art, the first object of the present invention is to provide a running platform for forming tools that allows for any desired extension of the forming section without increasing the number of forming tools. This enables the production of high-quality tubes. Furthermore, cost control is possible, thereby reducing expenses.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0006] A running platform for mold tools comprises two symmetrically arranged platform bodies. The platform body is provided with a circular raceway and a main drive device. Several sliding seats for mounting the mold tools are slidably arranged on the raceway. The raceway includes a mold section, a mold opening section, an upstream return section, a rapid return section, and a downstream return section, which are connected in series to form a loop. The sliding seats are arranged close together on the downstream return section, the mold section, the mold opening section, and the upstream return section. The main drive device is designed to drive the sliding seats on the downstream return section, the mold section, the mold opening section, and the upstream return section at a speed V1.Furthermore, a rapid return device is provided on the platform body, wherein the rapid return device is configured at least to drive the sliding seats on the rapid return section so that they move to the downstream return section at a speed V2, where V2 is greater than V1.

[0007] The rapid return device comprises a drive mechanism for starting the operation and a starting module which is driven by the drive mechanism for starting the operation.

[0008] The starting module comprises several sets of starting components arranged at intervals. Each starting component includes a starting shaft rotatably mounted on the platform body and a starting gear fixed to the starting shaft. This gear is designed to engage with the sliding seat and thus initiate its movement. All starting shafts are arranged parallel to each other, and one of them is connected to the starting drive mechanism. Simultaneously, all starting shafts are rotated synchronously by a gear mechanism.

[0009] The transmission mechanism is a gear transmission mechanism.

[0010] The gear mechanism comprises several first gears and several sets of gear components. The first gears are arranged in a one-to-one correspondence on the starting shafts; the gear component is arranged accordingly between two adjacent starting shafts. The gear component includes a mounting shaft fixed to the platform body and a second gear rotatably mounted on the mounting shaft, the mounting shaft being parallel to the starting shaft, and the second gear meshing with two adjacent first gears.

[0011] The drive mechanism for starting comprises a reduction gear for starting, which is provided on the platform body, and a drive motor for starting, which is provided on the reduction gear for starting, wherein the drive motor for starting is designed to drive the reduction gear for starting to run, the reduction gear for starting being in drive connection with the starting shaft in the middle.

[0012] A detection device is provided at the position of the platform body corresponding to the rapid return section in order to detect whether the sliding seat has moved into position.

[0013] The detection device comprises an inlet end position detection switch arranged at the inlet end of the rapid return section, an outlet end position detection switch arranged at the outlet end of the rapid return section, and a sensor element arranged on the sliding seat, which is configured to interact with the inlet end position detection switch and the outlet end position detection switch.

[0014] The main drive device comprises a drive mechanism for the mold section and a drive mechanism for the return section. The drive mechanism for the mold section is designed to drive the sliding seats on the mold section to slide, while the drive mechanism for the return section is designed to drive the sliding seats on the upstream return section as well as the downstream return section to slide.

[0015] The application of the above-mentioned technical solution results in the following advantageous effects of the present invention:

[0016] The running platform for molding tools provided by the present invention includes a quick-return device on the platform body. This quick-return device allows for any desired extension of the molding section length without requiring additional molding tools. This correspondingly increases the number of molds running on the molding section. The pipe thus has sufficient curing length and time to improve pipe quality. Compared to the prior art, the running platform for molding tools of the present invention has a more flexible design. This allows for any desired extension of the molding section without increasing the number of molding tools, and thus enables the production of high-quality pipes. Furthermore, cost control is possible, thereby reducing expenses.

[0017] A second object of the present invention is to provide a corrugated tube forming machine that allows for any desired extension of the forming section without increasing the number of forming tools. This enables the production of high-quality tubes. Furthermore, cost control is possible, thereby reducing expenses.

[0018] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0019] A corrugated tube forming machine that has the running platform for forming tools described in the technical solution above.

[0020] The application of the above-mentioned technical solution results in the following advantageous effects of the present invention:

[0021] The corrugated tube forming machine provided by the present invention has a more flexible design due to the running platform for the forming tools described in the aforementioned technical solution, and allows for any desired extension of the forming section without increasing the number of forming tools. This enables the production of high-quality tubes. Furthermore, cost control is possible, thereby reducing expenses. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic structural representation of a part of the corrugated tube forming machine of the present invention; Fig. 2 is a view of Fig. 1 in direction A; Fig. Figure 3 is a schematic structural representation of the rapid return device. Fig. 1; Fig. Figure 4 is a first schematic representation of the activation of the rapid return device; Fig. Figure 5 is a second schematic representation of the activation of the rapid return device;

[0022] In the drawings: 1, Base frame; 2, Platform body; 21, Upper plate; 22, Lower plate; 231, Mold section; 232, Mold opening section; 233, Upstream return section; 234, Rapid return section; 235, Downstream return section; 3, Sliding seat; 31, Bearing roller; 4, Mold tool; 5, Cooling device; 6, Rapid return device; 61, Start-up shaft; 62, Start-up gear; 63, First gear; 64, Mounting shaft; 65, Second gear; 66, Start-up reduction gear; 67, Start-up drive motor; 7, Inlet end position detection switch; 8, Outlet end position detection switch; 11. Drive motor for the molding section; 12. Reduction gear for the molding section; 13. Drive gear set for the molding section; 14. Drive motor for the return section; 15. Reduction gear for the return section; 16. Drive gear set for the return section. FORMS OF EXECUTION OF THE INVENTION

[0023] To clarify the objectives, technical solutions, and advantages of the present invention, it will be described in more detail below with reference to the drawings and exemplary embodiments. It is understood that the specific exemplary embodiments described here serve only to illustrate the present invention and do not constitute a limitation of the present invention. In the drawings, the direction indicated by solid arrows shows the direction of pipe production.

[0024] As in connection with Fig. As summarized in Figures 1 to 5, the corrugated tube forming machine comprises a running platform for forming tools and two base frames 1, wherein the two base frames 1 are arranged symmetrically; The running platform for forming tools comprises two symmetrically arranged platform bodies 2, wherein the two platform bodies 2 are each provided on a corresponding base frame 1;The platform body 2 is provided with a circular raceway and a main drive device. Several sliding seats 3 for mounting the forming tools 4 are slidably arranged on the raceway. The forming tools 4 are mounted on the sliding seats 3. A vacuum suction system (not shown), connected to the forming tools 4, and a cooling device 5 are also provided on the platform body 2. The vacuum suction system is designed to adhere to the outer surface of the tube, and the cooling device 5 is designed to cool the tube and lower its temperature to enable cooling and hardening of the tube. Simultaneously, a V-shaped tube support (not shown) is provided at the tube outlet end of the corrugated tube forming machine. The V-shaped support is designed to support the tube in order to prevent sagging of the tube and deformation of the forming tools 4 under pressure.

[0025] In this embodiment, the platform body 2 comprises an upper plate 21 and a lower plate 22, arranged at the top and bottom, respectively. The raceway includes an upper rail provided on the upper plate 21 and a lower rail provided on the lower plate 22. Two high-strength bearing rollers 31 are mounted at each of the upper and lower ends of the sliding seat 3. These bearing rollers 31 run along the raceway under the positive guidance of the upper and lower rails.

[0026] In this embodiment, the raceway comprises a mold section 231, a mold opening section 232, an upstream return section 233, a rapid return section 234, and a downstream return section 235, which are connected in series to form a loop. The sliding seats 3 are arranged close together on the downstream return section 235, the mold section 231, the mold opening section 232, and the upstream return section 233. The main drive device is configured to drive the sliding seats 3 on the downstream return section 235, the mold section 231, the mold opening section 232, and the upstream return section 233 at a speed V1.Furthermore, a rapid return device 6 is provided on the platform body 2, wherein the rapid return device 6 is configured at least to drive the sliding seats 3, which slide from the upstream return section 233 to the rapid return section 234, so that they move to the downstream return section 235 at a speed V2, wherein V2 is greater than V1.

[0027] In this embodiment, the main drive device comprises a drive mechanism for the molding section and a drive mechanism for the return section. The drive mechanism for the molding section is configured to drive sliding seats 3 on the molding section 231 to slide, while the drive mechanism for the return section is configured to drive sliding seats 3 on the upstream return section 233 and the downstream return section 235 to slide.

[0028] In particular, the drive mechanism for the mold section comprises a drive motor for mold section 11, a reduction gear for mold section 12, and a drive gear set for mold section 13. The reduction gear for mold section 12 is located on the lower plate 22 and is in drive connection with the drive gear set for mold section 13. The drive motor for mold section 11 is located on the reduction gear for mold section 12 and serves to drive the operation of the reduction gear for mold section 12. The drive gear set for mold section 13 is designed to set the sliding seats 3 on mold section 231 in motion so that they can slide at a speed V1.

[0029] The drive mechanism for the return section comprises a drive motor for the return section 14, a reduction gear for the return section 15, and a drive gear set for the return section 16. The reduction gear for the return section 15 is located on the lower plate 22 and is in drive connection with the drive gear set for the return section 16. The drive motor for the return section 14 is located on the reduction gear for the return section 15 and serves to drive the operation of the reduction gear for the return section 15. The drive gear set for the return section 16 is designed to engage sliding seats 3 on the upstream return section 233 and the downstream return section 235, allowing them to slide at a velocity V1.

[0030] In this embodiment, the rapid return device 6 comprises a drive mechanism for starting and a starting module which is driven by the drive mechanism for starting.

[0031] In particular, the starting module comprises several sets of starting components arranged at intervals. A starting component includes a starting shaft 61, which is rotatably mounted on the upper plate 21 and the lower plate 22 via a bearing, and a starting gear 62 fixed to the starting shaft 61, which is configured to engage with the sliding seat 3 and thus start the sliding seat 3. All starting shafts 61 are arranged parallel to each other, and one of the starting shafts 61 is connected to the drive mechanism for starting. Simultaneously, all starting shafts 61 are rotated synchronously by a gear mechanism.

[0032] A gear drive mechanism, a chain drive mechanism, or a belt drive mechanism are all possible options. Given the high precision of the gear drive mechanism, a gear drive mechanism is preferably used in this embodiment.

[0033] In particular, the gear transmission mechanism comprises several first gears 63 and several sets of gear transmission components. The first gears 63 are arranged in a one-to-one correspondence on the starting shafts 61; a gear transmission component is arranged accordingly between two adjacent starting shafts 61. The gear transmission component comprises a mounting shaft 64 fixed to the lower plate 22 and a second gear 65 rotatably mounted on the mounting shaft 64 via a bearing, the mounting shaft 64 being parallel to the starting shaft 61, and the second gear 65 meshing with two adjacent first gears 63.

[0034] In this embodiment, the starting mechanism comprises a starting reduction gear 66, which is provided on the lower plate 22, and a starting drive motor 67, which is provided on the starting reduction gear 66. The starting drive motor 67 is configured to drive the starting reduction gear 66, which is connected to the starting shaft 61 in the center of the starting module. In practical application, it remains open which starting shaft 61 is selected with which the starting reduction gear 66 is connected. The starting shaft can be selected according to the actual circumstances; this embodiment does not restrict this.

[0035] Since servomotors enable speed control and very precise positioning, in this embodiment servomotors are preferably used as the drive motor for starting 67, the drive motor for the mold section 11, and the drive motor for the return section 14.

[0036] In this embodiment, a detection device is also provided at the position of the platform body 2 corresponding to the quick return section in order to detect whether the sliding seat 3 has moved into position.

[0037] In particular, the detection device comprises an inlet end-position detection switch 7, which is arranged at the inlet end of the rapid return section 234, an outlet end-position detection switch 8, which is arranged at the outlet end of the rapid return section 234, and a sensor element (not shown) arranged on the sliding seat 3, which is configured to interact with the inlet end-position detection switch 7 and the outlet end-position detection switch 8. In this embodiment, the sensor element uses a sensor plate which is arranged in the middle position of the sliding seat 3. In practical application, the structural shape of the sensor element is not restricted.

[0038] During production, the drive motor for mold section 11 drives the drive gear set for mold section 13 to move. The drive gear set for mold section 13, in turn, engages the sliding seats 3 on mold section 231, allowing them to slide at a speed V1. Simultaneously, the drive motor for the return section 14 drives the drive gear set for return section 16 to move. The drive gear set for return section 16, in turn, engages the sliding seats 3 on the upstream return section 233 and the downstream return section 235, allowing them to slide at a speed V1.

[0039] As in Fig. As shown in Figure 4, the starting gear 62 engages with the sliding seat 3 at the inlet end of the rapid return section 234. The sliding seat 3 is to be set in motion at the inlet end of the rapid return section 234 when the outlet position detection switch 8 at the rapid return section 234 detects that a sliding seat 3 is being moved into position by the outlet end of the rapid return section 234 (the sliding seat 3 disengages from the starting gear 62 at the outlet end of the rapid return section 234 and remains stationary). The starting drive motor 67 then drives the starting gear 62 to rotate, thereby actuating the sliding seat 3 to be set in motion, so that the sliding seat 3 to be set in motion moves rapidly to the outlet end of the rapid return section 234 at a speed V2. As shown in Fig.As shown in Figure 5, the previously engaged sliding seat 3 presses the downstream stationary sliding seat 3 into contact with the sliding seat 3 on the downstream return section 235 when the inlet end position detection switch 7 at the inlet end of the rapid return section 234 detects a next sliding seat 3 to be engaged. The engagement drive motor 67 drives the engagement gear 62 to rotate at a reduced speed. The engagement gear 62 then engages the sliding seat 3 on the rapid return section 234, causing this sliding seat 3 to rotate at speed V1. This completes the rapid engagement action of a sliding seat 3.

[0040] In summary, the running platform for forming tools and the corrugated tube forming machine of the present invention feature a more flexible design due to the arrangement of a rapid return section and a rapid return device. This allows for any desired extension of the forming section without increasing the number of forming tools, thus enabling the production of high-quality tubes. Furthermore, cost control is possible, thereby reducing expenses. This makes industrial promotion and implementation worthwhile.

[0041] The present invention is not limited to the specific embodiments described above. Various modifications made by those skilled in the art based on the above concept without any creative work fall within the scope of protection of the present invention.

Claims

[1] Running platform for mold tools, comprising two symmetrically arranged platform bodies, wherein the platform body is provided with a circular raceway and a main drive device, and several sliding seats for mounting the mold tools are slidably arranged on the raceway, characterized by , that the raceway comprises a mold section, a mold opening section, an upstream return section, a rapid return section and a downstream return section connected in series to form a loop, the sliding seats on the downstream return section, the mold section, the mold opening section and the upstream return section are arranged close together, the main drive device is configured to drive the sliding seats on the downstream return section, the mold section, the mold opening section and the upstream return section to slide at a speed V1, and a rapid return device is further provided on the platform body, wherein the rapid return device is configured at least to drive the sliding seats on the rapid return section.so that they move towards the downstream return section at a velocity V2, where V2 is greater than V1; The rapid return device comprises a drive mechanism for starting and a start-up module which is driven by the drive mechanism for starting; The starting module comprises several sets of starting components arranged at intervals, wherein the starting component includes a starting shaft rotatably mounted on the platform body and a starting gear fixed to the starting shaft, designed to engage with the sliding seat and thus start the sliding seat, all starting shafts arranged parallel to each other, and one of the starting shafts is in drive connection with the starting drive mechanism, while all starting shafts are simultaneously rotated synchronously by a gear mechanism. [2] Running platform for mold tools according to claim 1, characterized by that the transmission mechanism is a gear transmission mechanism. [3] Running platform for mold tools according to claim 2, characterized by, that the gear mechanism comprises several first gears and several sets of gear components, the first gears being arranged in a one-to-one correspondence on the starting shafts; the gear component being arranged accordingly between two adjacent starting shafts, the gear component comprising a mounting shaft fixed to the platform body and a second gear rotatably mounted on the mounting shaft, the mounting shaft being parallel to the starting shaft, and the second gear meshing with two adjacent first gears. [4] Running platform for mold tools according to claim 1, characterized by, that the drive mechanism for starting comprises a reduction gear for starting, which is provided on the platform body, and a drive motor for starting, which is provided on the reduction gear for starting, wherein the drive motor for starting is configured to drive the reduction gear for starting to run, the reduction gear for starting being in drive connection with the starting shaft in the middle. [5] Running platform for mold tools according to claim 1, characterized by , that a detection device is provided at the position of the platform body corresponding to the quick return section in order to detect whether the sliding seat has moved into position. [6] Running platform for mold tools according to claim 5, characterized by, that the detection device comprises an inlet end position detection switch arranged at the inlet end of the rapid return section, an outlet end position detection switch arranged at the outlet end of the rapid return section, and a sensor element arranged on the sliding seat, which is configured to interact with the inlet end position detection switch and the outlet end position detection switch. [7] Running platform for mold tools according to claim 1, characterized by, that the main drive device comprises a drive mechanism for the molding section and a drive mechanism for the return section, wherein the drive mechanism for the molding section is configured to drive the sliding seats on the molding section to slide, while the drive mechanism for the return section is configured to drive the sliding seats on the upstream return section as well as the downstream return section to slide. [8] Corrugated tube forming machine, characterized by that the corrugated tube forming machine has the running platform for forming tools according to one of claims 1 to 7.

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