Metal pipe bending anti-wrinkling die

Abstract

The invention relates to the technical field of pipe bending molds, and discloses a metal pipe bending anti-wrinkling mold which comprises a supporting mechanism, the supporting mechanism comprises a supporting frame, supporting legs are fixedly connected to the bottom of the supporting frame, a first driving motor is fixedly connected to the bottom of the supporting frame, and the output end of the first driving motor penetrates through the supporting frame; a first rotating shaft is fixedly connected to the inner wall of the bottom of the supporting frame, a fixing shaft is fixedly connected to the inner wall of the bottom of the supporting frame, an air cylinder is fixedly connected to the inner wall of the bottom of the supporting frame, and an auxiliary mechanism is arranged at the output end of the air cylinder. The adjusting mechanism is used for conducting auxiliary supporting on the area, where wrinkles easily occur, of the metal pipe, so that the possibility of wrinkles is reduced, waste of formed pipe fitting materials is avoided, and then the utilization rate and machining efficiency of the materials are improved.

Description

Technical Field

[0001] The invention relates to the technical field of pipe bending dies, in particular to a wrinkle-proof metal pipe bending die. Background Art

[0002] Metal pipe bending dies play an important role in industrial production. They can bend hard metal pipes according to specific angles and shapes. Through precise design and manufacturing, the dies can ensure the dimensional accuracy and surface quality of the bent pipes. Whether in the construction, machinery manufacturing or automotive industries, metal pipe bending dies make it possible to build various complex structures, greatly improving production efficiency and product quality.

[0003] The patent application with application number CN202021328886.X discloses an anti-wrinkle plate in a pipe bending mold, comprising a supporting base and an anti-wrinkle template, a semicircular arc groove is provided in the supporting base, a threaded hole is provided on the end face of the supporting base at one end of the arc groove, a semicircular pipe bending guide groove which is fitted with the arc groove is provided in the anti-wrinkle template, a mounting plate is provided at one end of the pipe bending guide groove, a mounting hole corresponding to the threaded hole is provided on the mounting plate, and a fixing screw is provided between the mounting hole and the threaded hole to connect the supporting base and the anti-wrinkle template together.

[0004] In summary, wrinkles often occur during the process of processing metal pipes through molds. The wrinkle phenomenon not only affects the appearance quality of the metal pipe, but also may reduce its strength and sealing, which will lead to waste of molded pipe materials and reduce material utilization and processing efficiency.

[0005] For this purpose, we propose a metal tube bending anti-wrinkle die. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a metal tube bending and wrinkle-proofing die to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a metal tube bending and wrinkle-proof mold, comprising a supporting mechanism, the supporting mechanism comprising a supporting frame, the bottom of the supporting frame is fixedly connected to a supporting foot, the bottom of the supporting frame is fixedly connected to a first driving motor, the output end of the first driving motor passes through the supporting frame and is fixedly connected to a first rotating shaft, the bottom inner wall of the supporting frame is fixedly connected to a fixed shaft, the bottom inner wall of the supporting frame is fixedly connected to a cylinder, the output end of the cylinder is provided with an auxiliary mechanism, the outer wall of the supporting frame is fixedly connected to the first connecting frame, and the supporting frame is away from the first connecting frame. A support block is provided on one side, a second connecting frame is fixedly connected to the top outer wall of the support block, a first connecting rod is fixedly connected to a side of the support block close to the first connecting frame, an end of the support block away from the first connecting rod is fixedly connected to the second connecting rod, an end of the second connecting rod away from the support block is fixedly connected to the support frame, a first push rod is fixedly connected to an inner wall of a side of the support block close to the second connecting rod, an output end of the first push rod is fixedly connected to a third connecting frame, an inner wall of the third connecting frame is fixedly connected to a second driving motor, and a second rotating shaft is fixedly connected to the output end of the second driving motor, and also includes: The adjusting mechanism comprises a clamping plate arranged at the top of the second driving motor, the outer wall of the clamping plate is provided with a groove, the inner wall of the clamping plate is fixedly connected to the first fixing frame, the inner wall of the first fixing frame is fixedly connected to the second rotating shaft, the outer wall of the clamping plate is fixedly connected to the force-bearing plate, the side of the force-bearing plate close to the clamping plate is fixedly connected to the first connecting shaft, the end of the first connecting shaft away from the force-bearing plate passes through the clamping plate and is fixedly connected to the first spring, the side of the first spring close to the force-bearing plate is fixedly connected to the clamping plate, the bottom of the clamping plate is fixedly connected to the second fixing block, the outer wall of the second fixing block is fixedly connected to the first servo motor, the output end of the first servo motor is fixedly connected to the fourth rotating shaft, the outer wall of the fourth rotating shaft is slidably connected to the first clamping mold, the bottom outer wall of the clamping plate is rotatably connected to the first rotating rod through the rotating shaft, the end of the first rotating rod away from the clamping plate is rotatably connected to the second rotating rod through the rotating shaft, and the end of the second rotating rod away from the first rotating rod is rotatably connected to the first clamping mold, a clamping assembly is arranged on the top of the support block, and a sliding assembly is arranged on the top of the support frame.

[0008] According to the above technical solution, the clamping assembly includes a second clamp, an outer wall of the second clamp is fixedly connected to a fourth connecting rod, an end of the fourth connecting rod away from the second clamp is rotatably connected to an auxiliary roller through a rotating shaft, an outer surface of the auxiliary roller is rotatably connected to the groove, a second connecting shaft is fixedly connected to the bottom outer wall of the second clamp, an end of the second connecting shaft away from the second clamp passes through the second connecting frame and is fixedly connected to a limiting plate, a second spring is fixedly connected to the outer wall of the limiting plate on one side close to the second clamp, an end of the second spring away from the limiting plate is fixedly connected to the second connecting frame, and the second clamp is adjusted according to the height of the clamp, thereby ensuring that the height of the second clamp is consistent with that of the clamp.

[0009] According to the above technical solution, a third fixed block is fixedly connected to the top outer wall of the second clamp, an end of the third fixed block away from the second clamp is fixedly connected to a second servo motor, an output end of the second servo motor is fixedly connected to a first rotating frame, an outer wall of the first rotating frame away from the third fixed block is fixedly connected to a first auxiliary motor, an output end of the first auxiliary motor is fixedly connected to a first driving roller, a bottom of the first driving roller is rotatably connected to a first auxiliary rod via a rotating shaft, an end of the first auxiliary rod away from the first driving roller is rotatably connected to the second clamp, and the second servo motor flips the first driving roller toward one side of the metal tube through the first rotating frame, thereby providing power for the movement of the metal tube.

[0010] According to the above technical solution, the sliding assembly includes a second auxiliary block slidably connected to the outer surface of the first rotating shaft, the inner wall of the second auxiliary block is provided with a through hole, the inner wall of the second auxiliary block is fixedly connected to the second hydraulic rod, the output end of the second hydraulic rod is fixedly connected to the first auxiliary block, the outer wall of the first auxiliary block away from the second hydraulic rod is fixedly connected to the fourth fixed block, the number of the second hydraulic rods is two, and the two second hydraulic rods are symmetrically arranged with the second auxiliary block as the center.

[0011] According to the above technical solution, the inner wall of the fourth fixed block is fixedly connected to the first hydraulic rod, the output end of the first hydraulic rod is fixedly connected to the connecting block, the top of the support frame is provided with a third clamp, the outer wall of the third clamp is fixedly connected to the second fixed frame, the end of the second fixed frame away from the third clamp is fixedly connected to the connecting block, and the first hydraulic rod is used to control the height of the third clamp.

[0012] According to the above technical solution, a third auxiliary block is fixedly connected to the top outer wall of the third clamp, an end of the third auxiliary block away from the third clamp is fixedly connected to a second auxiliary motor, an output end of the second auxiliary motor is fixedly connected to a second rotating frame, an outer wall of the second rotating frame away from the second auxiliary motor is fixedly connected to the third auxiliary motor, an output end of the third auxiliary motor is fixedly connected to a second driving roller, a bottom outer wall of the second driving roller is rotatably connected to a second auxiliary rod via a rotating shaft, an end of the second auxiliary rod away from the second driving roller is rotatably connected to the third clamp, and the second driving roller is used to assist the movement of the steel pipe.

[0013] According to the above technical solution, the auxiliary mechanism includes a hydraulic tank, the top of the hydraulic tank is fixedly connected with a telescopic tube, the telescopic tube runs through the first connecting frame and is fixedly connected with a connecting tube, the end of the connecting tube away from the telescopic tube is fixedly connected with a hydraulic bag, a sliding block is provided at the bottom of the connecting tube, the bottom of the sliding block is fixedly connected with a third connecting rod, the end of the third connecting rod away from the sliding block is fixedly connected to the cylinder, the number of the third connecting rods is two, and the two third connecting rods are symmetrically arranged with the central axis of the sliding block as the center.

[0014] According to the above technical solution, the outer wall of the sliding block is fixedly connected to the third driving motor, the output end of the third driving motor passes through the sliding block and is fixedly connected to the third rotating shaft, the outer surface of the third rotating shaft is slidably connected to the sliding frame, the inner wall of the sliding frame is fixedly connected to the second push rod, the output end of the second push rod is fixedly connected to the first fixed block, the inner wall of the first fixed block is fixedly connected to the connecting pipe, and the third driving motor and the second push rod are used to control the position of the hydraulic bag, thereby playing a positioning role.

[0015] Compared with the prior art, the present invention provides a metal tube bending anti-wrinkle die, which has the following beneficial effects: 1. The present invention provides a metal tube bending anti-wrinkle mold. During the mold processing of the metal tube, an adjustment mechanism is used to provide auxiliary support for the area of ​​the metal tube where wrinkles are prone to appear, thereby reducing the possibility of wrinkles and avoiding the waste of formed tube materials, thereby improving material utilization and processing efficiency.

[0016] 2. The present invention sets an auxiliary mechanism, adjusts the height of the connecting pipe through the second push rod, and the third drive motor drives the third rotating shaft to slide the sliding frame, thereby realizing the positioning of the hydraulic bag, allowing the hydraulic bag to enter the interior of the metal pipe to expand, and the hydraulic bag provides uniform support force to the inner wall of the metal pipe during the bending process, thereby reducing the occurrence of wrinkling.

[0017] 3. The present invention sets an adjustment mechanism, and the first servo motor drives the fourth rotating shaft to move the first clamping die toward one side of the clamping plate, so as to clamp and fix the outer wall of the metal tube, and use the force-bearing plate to provide auxiliary support for the area of ​​the metal tube that is prone to wrinkling. Since the first connecting shaft and the first spring make the clamping plate have a certain toughness, it can avoid that the metal tube is excessively squeezed and wrinkled due to excessive clamping force.

[0018] 4. The present invention sets a clamping assembly, and the first drive motor drives the first rotating shaft to enable the second auxiliary block to slide, thereby playing an auxiliary clamping role in the bending process of the metal tube. The distance between the third clamp and the second clamp is controlled by the second hydraulic rod, so that metal tubes of different diameters can be clamped and fixed, thereby improving the stability of the metal tube during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the supporting mechanism structure of the present invention; Figure 3 It is a schematic diagram of the auxiliary mechanism structure of the present invention; Figure 4 It is a schematic diagram of the structure of the regulating mechanism of the present invention; Figure 5 It is a schematic diagram of the structure of the regulating mechanism of the present invention; Figure 6 It is a schematic diagram of the structure of the clamping assembly of the present invention; Figure 7 It is a schematic diagram of the structure of the sliding assembly of the present invention; Figure 8 For the present invention Figure 1 Schematic diagram of the enlarged structure of A.

[0020] In the figure: 1. Support mechanism; 101. Support frame; 102. Support foot; 103. First drive motor; 104. First rotating shaft; 105. Fixed shaft; 106. First connecting frame; 107. First connecting rod; 108. Second connecting rod; 109. Support block; 110. Second connecting frame; 111. First push rod; 112. Third connecting frame; 113. Second drive motor; 114. Second rotating shaft; 115. Cylinder; 2. Auxiliary mechanism; 201. Hydraulic tank; 202. Telescopic tube ; 203, connecting pipe; 204, hydraulic bag; 205, sliding block; 206, third connecting rod; 207, third driving motor; 208, third rotating shaft; 209, sliding frame; 210, second push rod; 211, first fixed block; 3, adjusting mechanism; 301, clamping plate; 302, groove; 303, force plate; 304, first connecting shaft; 305, first spring; 306, first fixed frame; 307, second fixed block; 308, first servo motor; 309, fourth rotating shaft; 310, first clamping die; 311, first rotating rod; 312, second rotating rod; 313, clamping assembly; 3131, second clamping die; 3132, fourth connecting rod; 3133, auxiliary roller; 3134, third fixing block; 3135, second servo motor; 3136, first rotating frame; 3137, first auxiliary motor; 3138, first driving roller; 3139, first auxiliary rod; 31310, second connecting shaft; 31311, limit plate; 31312, second spring; 314 , sliding assembly; 3141, third clamp; 3142, second fixed frame; 3143, connecting block; 3144, fourth fixed block; 3145, first hydraulic rod; 3146, first auxiliary block; 3147, second hydraulic rod; 3148, second auxiliary block; 3149, through hole; 31410, third auxiliary block; 31411, second auxiliary motor; 31412, second rotating frame; 31413, third auxiliary motor; 31414, second driving roller; 31415, second auxiliary rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example 1: See Figure 1-Figure 2 The present invention provides a technical solution: a metal tube bending anti-wrinkle mold, including a support mechanism 1, the support mechanism 1 includes a support frame 101, the bottom of the support frame 101 is fixedly connected to a support foot 102, the bottom of the support frame 101 is fixedly connected to a first drive motor 103, the output end of the first drive motor 103 runs through the support frame 101, and is fixedly connected to a first rotating shaft 104, the bottom inner wall of the support frame 101 is fixedly connected to a fixed shaft 105, the bottom inner wall of the support frame 101 is fixedly connected to a cylinder 115, the output end of the cylinder 115 is provided with an auxiliary mechanism 2, the outer wall of the support frame 101 is fixedly connected to a first connecting frame 106, and the side of the support frame 101 away from the first connecting frame 106 is provided with a support block 10 9. The top outer wall of the support block 109 is fixedly connected with a second connecting frame 110, the side of the support block 109 close to the first connecting frame 106 is fixedly connected with a first connecting rod 107, the end of the support block 109 away from the first connecting rod 107 is fixedly connected with a second connecting rod 108, the end of the second connecting rod 108 away from the support block 109 is fixedly connected to the support frame 101, the inner wall of the side of the support block 109 close to the second connecting rod 108 is fixedly connected with a first push rod 111, the output end of the first push rod 111 is fixedly connected with a third connecting frame 112, the inner wall of the third connecting frame 112 is fixedly connected with a second drive motor 113, the output end of the second drive motor 113 is fixedly connected to a second rotating shaft 114, and also includes: The adjusting mechanism 3 includes a clamping plate 301 arranged on the top of the second driving motor 113, a groove 302 is opened on the outer wall of the clamping plate 301, a first fixing frame 306 is fixedly connected to the inner wall of the clamping plate 301, the inner wall of the first fixing frame 306 is fixedly connected to the second rotating shaft 114, and a force plate 303 is fixedly connected to the outer wall of the clamping plate 301. The force plate 303 has a certain elasticity, so that the clamping force of the metal pipe can be adjusted to avoid excessive squeezing of the metal pipe by excessive clamping force. The force plate 303 is fixedly connected to the side of the clamping plate 301 There is a first connecting shaft 304, one end of the first connecting shaft 304 away from the force plate 303 passes through the clamping plate 301 and is fixedly connected to the first spring 305. The first spring 305 is fixedly connected to the clamping plate 301 on the side close to the force plate 303. The first servo motor 308 drives the fourth rotating shaft 309 to move the first clamping die 310 to the side of the clamping plate 301, thereby clamping and fixing the outer wall of the metal tube. At the same time, the force plate 303 is used to provide auxiliary support for the area of ​​the metal tube that is prone to wrinkles. Due to the first connecting shaft 304 and the first spring 305 The clamping plate has a certain toughness, which can prevent the metal tube from being over-extruded and wrinkled due to excessive clamping force. The bottom of the clamping plate 301 is fixedly connected to the second fixed block 307, the outer wall of the second fixed block 307 is fixedly connected to the first servo motor 308, the output end of the first servo motor 308 is fixedly connected to the fourth rotating shaft 309, the outer wall of the fourth rotating shaft 309 is slidably connected to the first clamping die 310, the outer wall of the bottom of the clamping plate 301 is rotatably connected to the first rotating rod 311 through the rotating shaft, and the first rotating rod 311 is fixedly connected to the first rotating shaft 311. The end away from the clamping plate 301 is rotatably connected to the second rotating rod 312 through a rotating shaft, and the end of the second rotating rod 312 away from the first rotating rod 311 is rotatably connected to the first clamping die 310. The top of the support block 109 is provided with a clamping assembly 313, and the top of the support frame 101 is provided with a sliding assembly 314. When the metal pipe is molded, the adjustment mechanism 3 is used to assist in supporting the area of ​​the metal pipe that is prone to wrinkles, thereby reducing the probability of wrinkles, avoiding waste of materials for the formed pipe fittings, and further improving the material utilization rate and processing efficiency.

[0025] The working principle of this embodiment is as follows: when it is necessary to bend the metal tube, firstly, the third connecting frame 112 is controlled by the first push rod 111 to move according to the diameter of the metal tube. When the metal tube is placed on the top of the support frame 101, the first servo motor 308 drives the fourth rotating shaft 309 to move the first clamping die 310 toward the side of the first servo motor 308, and then the outer wall of the metal tube is clamped and fixed by the first clamping die 310 and the clamping plate 301. Then, the auxiliary mechanism 2 is moved toward the side of the metal tube by the cylinder 115, so that the hydraulic bag 204 can enter the interior of the metal tube and expand, and the hydraulic bag 204 is used to provide uniform support force for the inner wall of the metal tube during the bending process. At the same time, the second driving motor 113 drives the first fixing frame 306 to drive the clamping plate 301 to rotate, and uses the force plate 303 to provide auxiliary support for the area of ​​the metal tube that is prone to wrinkling, thereby avoiding excessive squeezing of the metal tube due to excessive clamping force and the resulting wrinkling.

[0026] Example 2: Please refer to Figure 3 On the basis of the first embodiment, the present invention provides a technical solution: the auxiliary mechanism 2 includes a hydraulic tank 201, the top of the hydraulic tank 201 is fixedly connected with a telescopic tube 202, the telescopic tube 202 runs through the first connecting frame 106, and is fixedly connected with a connecting tube 203, the end of the connecting tube 203 away from the telescopic tube 202 is fixedly connected with a hydraulic bag 204, a sliding block 205 is provided at the bottom of the connecting tube 203, and the bottom of the sliding block 205 is fixedly connected with a third connecting rod 206, the number of the third connecting rods 206 is two, and the two third connecting rods 206 are symmetrically arranged around the central axis of the sliding block 205, and the end of the third connecting rod 206 away from the sliding block 205 is fixedly connected to the cylinder 115.

[0027] The outer wall of the sliding block 205 is fixedly connected to the third driving motor 207, the output end of the third driving motor 207 passes through the sliding block 205 and is fixedly connected to the third rotating shaft 208, the outer surface of the third rotating shaft 208 is slidably connected to the sliding frame 209, the inner wall of the sliding frame 209 is fixedly connected to the second push rod 210, the output end of the second push rod 210 is fixedly connected to the first fixed block 211, the third driving motor 207 and the second push rod 210 are used to control the position of the hydraulic bag 204, thereby playing a positioning role, the inner wall of the first fixed block 211 is fixedly connected to the connecting pipe 203, the height of the connecting pipe 203 is adjusted by the second push rod 210, the third driving motor 207 drives the third rotating shaft 208, prompting the sliding frame 209 to slide, thereby realizing accurate positioning of the hydraulic bag 204, so that the hydraulic bag 204 can enter the interior of the metal pipe and expand, and with the help of the hydraulic bag 204, a uniform support force is provided for the inner wall of the metal pipe during the bending process, thereby reducing the occurrence of wrinkling.

[0028] The working principle of this embodiment is as follows: the height of the connecting tube 203 is adjusted by the second push rod 210, and the third driving motor 207 drives the third rotating shaft 208 to cause the sliding frame 209 to slide, thereby realizing precise positioning of the hydraulic bag 204, so that the hydraulic bag 204 can enter the interior of the metal tube and expand, and with the help of the hydraulic bag 204, a uniform supporting force is provided for the inner wall of the metal tube during the bending process, thereby reducing the occurrence of wrinkling.

[0029] Example 3: Please refer to Figure 4-Figure 8 On the basis of the first and second embodiments, the present invention provides a technical solution: the clamping assembly 313 includes a second clamping die 3131, and the second clamping die 3131 adjusts the height of the clamping plate 301 through a fourth connecting rod 3132, thereby ensuring that the second clamping die 3131 and the clamping plate 301 have the same height, and the outer wall of the second clamping die 3131 is fixedly connected to the fourth connecting rod 3132, and the end of the fourth connecting rod 3132 away from the second clamping die 3131 is rotatably connected to an auxiliary roller 3133 through a rotating shaft, and the auxiliary roller 3133 is rotated to the second clamping die 3131. The outer surface of 133 is rotatably connected to the groove 302, and the bottom outer wall of the second clamp 3131 is fixedly connected with the second connecting shaft 31310, and the end of the second connecting shaft 31310 away from the second clamp 3131 passes through the second connecting frame 110 and is fixedly connected with a limiting plate 31311, and the outer wall of the limiting plate 31311 on one side close to the second clamp 3131 is fixedly connected with a second spring 31312, and the end of the second spring 31312 away from the limiting plate 31311 is fixedly connected to the second connecting frame 110.

[0030] The top outer wall of the second clamp 3131 is fixedly connected to a third fixed block 3134, and the end of the third fixed block 3134 away from the second clamp 3131 is fixedly connected to a second servo motor 3135, and the output end of the second servo motor 3135 is fixedly connected to a first rotating frame 3136. The second servo motor 3135 causes the first driving roller 3138 to flip toward one side of the metal tube through the first rotating frame 3136, thereby providing power for the movement of the metal tube, and the outer wall of the first rotating frame 3136 away from the third fixed block 3134 is fixedly connected to a first auxiliary motor 3137, and the output end of the first auxiliary motor 3137 is fixedly connected to the first driving roller 3138, and the bottom of the first driving roller 3138 is rotatably connected to a first auxiliary rod 3139 via a rotating shaft, and the end of the first auxiliary rod 3139 away from the first driving roller 3138 is rotatably connected to the second clamp 3131.

[0031] The sliding assembly 314 includes a second auxiliary block 3148 which is slidably connected to the outer surface of the first rotating shaft 104. A through hole 3149 is opened on the inner wall of the second auxiliary block 3148. A second hydraulic rod 3147 is fixedly connected to the inner wall of the second auxiliary block 3148. There are two second hydraulic rods 3147, and the two second hydraulic rods 3147 are symmetrically arranged with the second auxiliary block 3148 as the center. The output end of the second hydraulic rod 3147 is fixedly connected to the first auxiliary block 3146, and the outer wall of the first auxiliary block 3146 away from the second hydraulic rod 3147 is fixedly connected to the fourth fixed block 3144.

[0032] The inner wall of the fourth fixed block 3144 is fixedly connected to the first hydraulic rod 3145, and the output end of the first hydraulic rod 3145 is fixedly connected to the connecting block 3143. The top of the support frame 101 is provided with a third clamp 3141, and the first hydraulic rod 3145 is used to control the height of the third clamp 3141. The outer wall of the third clamp 3141 is fixedly connected to the second fixed frame 3142, and the end of the second fixed frame 3142 away from the third clamp 3141 is fixedly connected to the connecting block 3143. The first drive motor 103 drives the first rotating shaft 104 to cause the second auxiliary block 3148 to slide, thereby playing an auxiliary clamping role in the bending process of the metal pipe. The distance between the third clamp 3141 and the second clamp 3131 is controlled by the second hydraulic rod 3147, so that metal pipes of different diameters can be clamped and fixed, thereby improving the stability of the metal pipe during processing.

[0033] The top outer wall of the third clamp 3141 is fixedly connected to the third auxiliary block 31410, the end of the third auxiliary block 31410 away from the third clamp 3141 is fixedly connected to the second auxiliary motor 31411, the output end of the second auxiliary motor 31411 is fixedly connected to the second rotating frame 31412, the outer wall of the end of the second rotating frame 31412 away from the second auxiliary motor 31411 is fixedly connected to the third auxiliary motor 31413, the output end of the third auxiliary motor 31413 is fixedly connected to the second driving roller 31414, the second driving roller 31414 is used to assist the movement of the metal tube, the bottom outer wall of the second driving roller 31414 is rotatably connected to the second auxiliary rod 31415 through a rotating shaft, and the second auxiliary rod 31415 is rotatably connected to the third clamp 3141 at one end away from the second driving roller 31414.

[0034] The working principle of this embodiment is as follows: the second clamping die 3131 is adjusted along with the height of the clamping plate 301, the height of the second clamping die 3131 away from the clamping plate 301 is adjusted by the second spring 31312, the second servo motor 3135 drives the first rotating frame 3136 to turn the first driving roller 3138 toward the side of the metal tube to assist the movement of the metal tube during the bending process, the second hydraulic rod 3147 fixedly connected to the inner wall of the second auxiliary block 3148 moves the third clamping die 3141 toward the side of the second clamping die 3131, and the first hydraulic rod 3147 is fixedly connected to the inner wall of the second auxiliary block 3148 to move the third clamping die 3141 toward the side of the second clamping die 3131. The rod 3145 is adjusted according to the height of the second clamp 3131, and the second clamp 3131 and the third clamp 3141 are used to clamp and fix the side of the metal tube away from the bending area. The second auxiliary motor 31411 drives the second drive roller 31414 to flip toward the side of the metal tube to assist the movement of the metal tube during the bending process. When the bending operation is performed, the first drive motor 103 drives the first rotating shaft 104 to make the third clamp 3141 follow the metal tube to move toward the side of the bending area, thereby compensating for the length of the bending area of ​​the metal tube.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A metal tube bending wrinkle-proof die, comprising a support mechanism (1), the support mechanism (1) comprising a support frame (101), the bottom of the support frame (101) being fixedly connected to a support foot (102), the bottom of the support frame (101) being fixedly connected to a first drive motor (103), the output end of the first drive motor (103) passing through the support frame (101) and being fixedly connected to a first rotating shaft (104), the bottom inner wall of the support frame (101) being fixedly connected to a fixed shaft (105), the bottom inner wall of the support frame (101) being fixedly connected to a cylinder (115), the output end of the cylinder (115) being provided with an auxiliary mechanism (2), the outer wall of the support frame (101) being fixedly connected to a first connecting frame (106), a support block (109) being provided on a side of the support frame (101) away from the first connecting frame (106), The top outer wall of the support block (109) is fixedly connected to a second connecting frame (110); a side of the support block (109) close to the first connecting frame (106) is fixedly connected to a first connecting rod (107); an end of the support block (109) away from the first connecting rod (107) is fixedly connected to a second connecting rod (108); an end of the second connecting rod (108) away from the support block (109) is fixedly connected to the support frame (101); a first push rod (111) is fixedly connected to an inner wall of a side of the support block (109) close to the second connecting rod (108); an output end of the first push rod (111) is fixedly connected to a third connecting frame (112); a second drive motor (113) is fixedly connected to an inner wall of the third connecting frame (112); an output end of the second drive motor (113) is fixedly connected to a second rotating shaft (114), characterized in that: Also included are: The adjustment mechanism (3) comprises a clamping plate (301) arranged on the top of the second drive motor (113), the outer wall of the clamping plate (301) is provided with a groove (302), the inner wall of the clamping plate (301) is fixedly connected to a first fixing frame (306), the inner wall of the first fixing frame (306) is fixedly connected to the second rotating shaft (114), the outer wall of the clamping plate (301) is fixedly connected to a force-bearing plate (303), the side of the force-bearing plate (303) close to the clamping plate (301) is fixedly connected to a first connecting shaft (304), the end of the first connecting shaft (304) away from the force-bearing plate (303) passes through the clamping plate (301) and is fixedly connected to a first spring (305), the side of the first spring (305) close to the force-bearing plate (303) is fixedly connected to the clamping plate (301), and the bottom of the clamping plate (301) is fixedly connected to the clamping plate (301). A second fixed block (307) is fixedly connected, an outer wall of the second fixed block (307) is fixedly connected to a first servo motor (308), an output end of the first servo motor (308) is fixedly connected to a fourth rotating shaft (309), an outer wall of the fourth rotating shaft (309) is slidably connected to a first clamping mold (310), an outer wall of the bottom of the clamping plate (301) is rotatably connected to a first rotating rod (311) via a rotating shaft, an end of the first rotating rod (311) away from the clamping plate (301) is rotatably connected to a second rotating rod (312) via a rotating shaft, an end of the second rotating rod (312) away from the first rotating rod (311) is rotatably connected to the first clamping mold (310), a clamping assembly (313) is provided at the top of the support block (109), and a sliding assembly (314) is provided at the top of the support frame (101).

2. The metal tube bending anti-wrinkle mold according to claim 1, characterized in that: The clamping assembly (313) comprises a second clamping die (3131), an outer wall of the second clamping die (3131) is fixedly connected to a fourth connecting rod (3132), one end of the fourth connecting rod (3132) away from the second clamping die (3131) is rotatably connected to an auxiliary roller (3133) via a rotating shaft, the outer surface of the auxiliary roller (3133) is rotatably connected to the groove (302), a second connecting shaft (31310) is fixedly connected to the bottom outer wall of the second clamping die (3131), one end of the second connecting shaft (31310) away from the second clamping die (3131) passes through the second connecting frame (110) and is fixedly connected to a limiting plate (31311), a second spring (31312) is fixedly connected to the outer wall of a side of the limiting plate (31311) close to the second clamping die (3131), and one end of the second spring (31312) away from the limiting plate (31311) is fixedly connected to the second connecting frame (110).

3. A metal tube bending anti-wrinkle mold according to claim 2, characterized in that: The top outer wall of the second clamping mold (3131) is fixedly connected to a third fixed block (3134); an end of the third fixed block (3134) away from the second clamping mold (3131) is fixedly connected to a second servo motor (3135); an output end of the second servo motor (3135) is fixedly connected to a first rotating frame (3136); an outer wall of an end of the first rotating frame (3136) away from the third fixed block (3134) is fixedly connected to a first auxiliary motor (3137); an output end of the first auxiliary motor (3137) is fixedly connected to a first driving roller (3138); a bottom of the first driving roller (3138) is rotatably connected to a first auxiliary rod (3139) via a rotating shaft; an end of the first auxiliary rod (3139) away from the first driving roller (3138) is rotatably connected to the second clamping mold (3131).

4. The metal tube bending and wrinkle-proofing die according to claim 1, characterized in that: The sliding assembly (314) comprises a second auxiliary block (3148) slidably connected to the outer surface of the first rotating shaft (104); a through hole (3149) is provided on the inner wall of the second auxiliary block (3148); a second hydraulic rod (3147) is fixedly connected to the inner wall of the second auxiliary block (3148); an output end of the second hydraulic rod (3147) is fixedly connected to the first auxiliary block (3146); and a fourth fixed block (3144) is fixedly connected to the outer wall of the first auxiliary block (3146) away from the second hydraulic rod (3147).

5. The metal tube bending and wrinkle-proofing die according to claim 4, characterized in that: The inner wall of the fourth fixed block (3144) is fixedly connected to a first hydraulic rod (3145), the output end of the first hydraulic rod (3145) is fixedly connected to a connecting block (3143), a third clamping die (3141) is arranged on the top of the support frame (101), the outer wall of the third clamping die (3141) is fixedly connected to a second fixed frame (3142), and one end of the second fixed frame (3142) away from the third clamping die (3141) is fixedly connected to the connecting block (3143).

6. The metal tube bending and wrinkle-proofing die according to claim 5, characterized in that: The top outer wall of the third clamping mold (3141) is fixedly connected to a third auxiliary block (31410); the end of the third auxiliary block (31410) away from the third clamping mold (3141) is fixedly connected to a second auxiliary motor (31411); the output end of the second auxiliary motor (31411) is fixedly connected to a second rotating frame (31412); the outer wall of the end of the second rotating frame (31412) away from the second auxiliary motor (31411) is fixedly connected to a third auxiliary motor (31413); the output end of the third auxiliary motor (31413) is fixedly connected to a second driving roller (31414); the bottom outer wall of the second driving roller (31414) is rotatably connected to a second auxiliary rod (31415) via a rotating shaft; the end of the second auxiliary rod (31415) away from the second driving roller (31414) is rotatably connected to the third clamping mold (3141).

7. The metal tube bending and wrinkle-proofing die according to claim 1, characterized in that: The auxiliary mechanism (2) comprises a hydraulic tank (201), the top of the hydraulic tank (201) is fixedly connected to a telescopic tube (202), the telescopic tube (202) passes through the first connecting frame (106) and is fixedly connected to a connecting tube (203), one end of the connecting tube (203) away from the telescopic tube (202) is fixedly connected to a hydraulic bag (204), a sliding block (205) is provided at the bottom of the connecting tube (203), the bottom of the sliding block (205) is fixedly connected to a third connecting rod (206), and one end of the third connecting rod (206) away from the sliding block (205) is fixedly connected to the cylinder (115).

8. The metal tube bending and wrinkle-proofing die according to claim 7, characterized in that: The outer wall of the sliding block (205) is fixedly connected to a third drive motor (207); the output end of the third drive motor (207) passes through the sliding block (205) and is fixedly connected to a third rotating shaft (208); the outer surface of the third rotating shaft (208) is slidably connected to a sliding frame (209); the inner wall of the sliding frame (209) is fixedly connected to a second push rod (210); the output end of the second push rod (210) is fixedly connected to a first fixed block (211); and the inner wall of the first fixed block (211) is fixedly connected to the connecting pipe (203).

Images