Clamping and conveying mechanism of bending machine

Abstract

The utility model discloses a clamping and conveying mechanism of a bending machine, which comprises a bending structure, one side of the bending structure is fixedly connected with a clamping and conveying structure, the right ahead of the bending structure is fixedly connected with a heating and limiting structure, the bending structure comprises an operation table, and the bottom of the operation table is fixedly connected with a controller. The clamping and conveying mechanism comprises an operation table, a mounting base is fixedly connected to one side of the upper portion of the operation table, a lower bending mold is fixedly connected to the lower portion of the interior of the mounting base, a guide rod is fixedly connected to the upper portion of the lower bending mold, and an upper bending mold which is adjusted in a sliding mode is arranged on the surface of the guide rod. The carrier tape conveyed to the upper bending die shaft can be conveniently bent through the lower bending die and the upper bending die, vertical sliding limiting of the upper bending die can be conveniently controlled when the upper bending die is driven and adjusted through the arranged guide rod, and the situation that sliding deviation exists when the upper bending die is stressed to drive sliding adjustment is avoided.

Description

Technical Field

[0001] This utility model relates to the field of bending machine technology, and in particular to a clamping mechanism for a bending machine. Background Technology

[0002] Carrier tapes are mainly used in the electronic component mounting industry. They are used in conjunction with cover tapes to carry and store electronic components such as resistors, capacitors, transistors, and diodes in the pockets of the carrier tape. The cover tape is then sealed on top of the carrier tape to form a closed package, which protects the electronic components from contamination and damage during transportation. During mounting, the cover tape is peeled off, and the automatic mounting equipment uses the precise positioning of the carrier tape index holes to take out the components in the pockets one by one and mount them on the integrated circuit board.

[0003] In the processing of carrier tape for tantalum chip capacitors, bending is required. Existing bending machines have a carrier tape conveyor before the bending entry point. The carrier tape conveyor usually uses upper and lower power rollers to guide the carrier tape to the bending die at the bending entry point for bending. However, when using power rollers for guidance, the surface shape of the power rollers needs to be similar to the cross-section of the carrier tape in order to clamp the carrier tape and guide it to the bending entry point. When bending carrier tapes with different cross-sections, changing the power rollers is troublesome. Existing bending machines generally use direct bending to bend the carrier tape. When using direct bending, plastic cracks may appear in the carrier tape during bending, which reduces the service life of the carrier tape. Utility Model Content

[0004] To improve upon the existing method of feeding via a power roller, the surface shape of the power roller needs to be similar to the cross-section of the carrier belt in order to clamp the carrier belt and guide it to the bending work opening. However, when bending carrier belts with different cross-sections, changing the power roller is troublesome. Existing bending machines generally use direct bending to process the carrier belt. When using direct bending, plastic cracks may appear in the carrier belt during bending, which reduces the service life of the carrier belt.

[0005] This utility model provides a clamping mechanism for a bending machine, which adopts the following technical solution:

[0006] A clamping and conveying mechanism for a bending machine includes a bending structure, a clamping and conveying structure fixedly connected to one side of the bending structure, and a heating and limiting structure fixedly connected to the front of the bending structure.

[0007] The bending structure includes an operating table with a controller fixedly connected to the bottom, and an installation base fixedly connected to one side above the operating table. A lower bending mold is fixedly connected to the lower part of the installation base, and a guide rod is fixedly connected to the upper part of the lower bending mold. An upper bending mold with sliding adjustment is provided on the surface of the guide rod.

[0008] The upper part of the upper bending mold is fixedly connected to a drive sliding rod that passes through the mounting base, and the upper part of the drive sliding rod is fixedly connected to one end of the rotating connecting rod by a fixing nut.

[0009] The above technical solution facilitates the bending of the carrier belt conveyed to the lower bending mold by setting the lower bending mold and the guide rod facilitates the control of the upper bending mold's upward and downward sliding limit when driving and adjusting the upper bending mold, thus avoiding the sliding deviation of the upper bending mold when it is driven by force for adjustment.

[0010] Optionally, the other end of the aforementioned rotating connecting rod is rotatably connected to the bearing mounting seat, and the lower end of the other end of the rotating connecting rod is rotatably connected to the output end of the electric telescopic rod through a fixing nut. The electric telescopic rod is fixedly installed inside the rear side of the mounting seat.

[0011] Optionally, the above-mentioned clamping and conveying structure includes a clamping and conveying component that is installed and connected to the gas-driven component, and the clamping and conveying component includes a fixing block with a through-hole having an installation groove, the installation groove having a guide sliding groove on the inner side, and an annular folding airbag being fixedly connected to one side of the guide sliding groove.

[0012] The above technical solution not only provides a through-hole design through the ring-shaped folding airbag, but also gradually pushes the hollow guide sliding block for sliding adjustment during the inflation process. By gradually pushing the hollow guide sliding block for sliding adjustment, the carrier belt is clamped and transported.

[0013] Optionally, the aforementioned annular folding airbag is provided with a first air inlet pipe fixed to the outer wall of the fixing block on one side, and a compression spring is fixedly connected to the other side inside the guide sliding groove. A guide connecting rod is provided in the annular folding airbag and the compression spring, and a hollow guide sliding block is provided on the surface of the guide connecting rod.

[0014] The above technical solution utilizes the elastic restoring force of the compression spring to drive the hollow guide slide block backward. When the hollow guide slide block moves backward, it compresses the annular folded airbag, which then squeezes out the air inside the annular folded airbag.

[0015] Optionally, the guide connecting rod has grooves at both ends, and a guide inclined arc plate is fixedly connected to one side of the groove. The hollow guide sliding block has a through hole that is connected to the surface above the hollow guide sliding block. Another guide sliding groove is provided inside the through hole. The other guide sliding groove is matched with the guide column through another hollow guide sliding block. A drive wheel that slides along the inside of the groove is fixedly connected to the bottom of the guide column. A through ring that is fixedly connected to the surface of the hollow guide sliding block is provided above the guide column. A silicone suction cup is fixedly connected to the top of the guide column.

[0016] The above technical solution not only facilitates the downward adjustment of the guide column, but also facilitates the synchronous downward movement of the silicone suction cup when the guide column slides down. When the silicone suction cup moves down synchronously, the carrier belt can be repeatedly clamped and conveyed.

[0017] Optionally, a rubber roller is rotatably mounted on one side of the aforementioned fixed block via a bearing bracket, and the fixed block is fixedly mounted on one side above the operating table. The other side of the annular folding airbag is fixedly connected to one side of the hollow guide sliding block, and one end of the first air inlet pipe is installed and connected to the gas drive component components.

[0018] Optionally, the gas-driven assembly includes a T-shaped platform fixedly installed on the rear side above the operating table, and a gas conveying component is fixedly connected to the top of the T-shaped platform. The upper side of the gas conveying component is installed and connected to a first air inlet pipe, and the lower side of the gas conveying component is installed and connected to one end of a second air inlet pipe. A mounting plate is fixedly connected to the lower side of the T-shaped platform, and a driving cylinder is fixedly connected to one side of the mounting plate. A limiting block (2026) for limiting the compression of the carrier belt is fixedly connected to the lower side of the driving cylinder, and the driving cylinder is installed and connected to the other end of the second air inlet pipe.

[0019] The above technical solution facilitates the delivery of compressed air through the gas delivery component. The delivery of compressed air drives the drive cylinder and the annular folding airbag to operate. There is a corresponding working time difference between the annular folding airbag and the drive cylinder during the gas delivery operation, which avoids the drive cylinder and the annular folding airbag being in a synchronous inflation state, which would prevent the carrier belt from being unable to be clamped and delivered.

[0020] Optionally, the heating limiting structure includes a guide plate fixed to one side of the bending die, and a guide groove is provided on the inner side of the guide plate to facilitate the guiding and conveying of the carrier belt. A spline shaft with a hollow internal structure is fixedly connected inside the guide groove, and a limiting plate with a spline groove on the inner side is provided on the surface of the spline shaft. A branch conveying pipe is provided at one end of the spline shaft and is embedded and connected to the guide plate.

[0021] The above technical solution allows for convenient adjustment of the sliding range distance of the limiting plate by setting the limiting plate, and facilitates the limiting and conveying of carrier belts of different widths by changing the sliding drive distance of the limiting plate.

[0022] Optionally, one end of the branch conveying pipe is installed and connected to the connecting pipe, and the other end of the connecting pipe extends through the operating table and is installed and connected to the exhaust fan outlet below the operating table. The exhaust fan inlet is installed and connected to the hot air fan outlet, and both the exhaust fan and the hot air fan are fixedly installed below the operating table.

[0023] In summary, this utility model has at least one of the following beneficial effects: After the carrier belt is transported into the mounting groove, gas is supplied into the annular folding airbag to drive the hollow guide sliding block to slide and adjust. During the sliding adjustment of the hollow guide sliding block, the guide column is driven to move upward and drive the silicone suction cup to clamp the two sides of the carrier belt. Due to the continuous inflation of the annular folding airbag, the annular folding airbag pushes the hollow guide sliding block to continuously slide and adjust, thereby continuously clamping and transporting the carrier belt. Moreover, when the carrier belt is clamped and transported by the annular folding airbag and gas, not only is the trouble of motor drive avoided, but the noise generated during motor operation is also avoided from damaging the operator's eardrums.

[0024] When the carrier belt is conveyed to the surface of the guide plate, the exhaust fan delivers heat to the inside of the spline shaft. The heat delivered to the inside of the spline shaft heats the carrier belt in the conveying or stationary state, and the heated carrier belt makes it easier to bend it flexibly.

[0025] By manually adjusting the relative sliding distance between the limit plate and the spline shaft, it is not only convenient to limit the conveying of the carrier belt, but also to avoid the situation where the carrier belt of different widths is not easily bent or deviated during the conveying process due to the lack of a limit component when it is conveyed on the guide plate surface, which would prevent the carrier belt from being accurately conveyed to the bending die for bending.

[0026] By utilizing the elastic restoring force of the compression spring to squeeze and vent the annular folding airbag, the hollow guide slide block can automatically be positioned in its initial position to reciprocate and clamp the carrier belt during the automatic squeezing and venting of the annular folding airbag, while reducing the need for manual intervention in the process.

[0027] By using the through-ring to limit the sliding of the guide column, the excessive sliding of the guide column can be prevented from causing the guide column to slip off from the hollow guide sliding block. This would not only prevent the carrier belt from being clamped and conveyed, but also increase the replacement cost of the overall clamping and conveying assembly. Attached Figure Description

[0028] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0029] Figure 2 This is a schematic diagram of the bending structure of this utility model;

[0030] Figure 3 This is a schematic diagram of the clamping and conveying structure of this utility model;

[0031] Figure 4 This is a partial three-dimensional structural diagram of the clamping and conveying assembly of this utility model;

[0032] Figure 5This is a partial three-dimensional structural diagram of the clamping and conveying assembly of this utility model;

[0033] Figure 6 This is a partial three-dimensional exploded view of the clamping and conveying assembly of this utility model;

[0034] Figure 7 This is a partial three-dimensional structural diagram of the clamping and conveying assembly of this utility model;

[0035] Figure 8 This is a schematic diagram of the gas-driven component structure of this utility model;

[0036] Figure 9 This is a partial three-dimensional exploded view of the heating and limiting structure of this utility model;

[0037] Figure 10 This is a partial three-dimensional exploded structural diagram of the heating limiting structure of this utility model.

[0038] In the diagram: 1. Bending structure; 101. Operating table; 102. Mounting base; 103. Lower bending mold; 104. Guide rod; 105. Upper bending mold; 106. Driving sliding rod; 107. Rotating connecting rod; 108. Bearing mounting base; 109. Electric telescopic rod; 2. Clamping and conveying structure; 201. Clamping and conveying assembly; 2011. Fixing block; 2012. Mounting groove; 2013. Guide sliding groove; 2014. Annular folding airbag; 2015. First air inlet pipe; 2016. Compression spring; 2017. Guide connecting rod; 2018. Hollow guide sliding block; 2019. Groove; 20110. Guide tilting Arc-shaped plate; 20111, through hole; 20112, guide post; 20113, drive wheel; 20114, silicone suction cup; 20115, through ring; 20116, rubber roller; 202, gas drive assembly; 2021, T-shaped platform; 2022, gas conveying component; 2023, second air inlet pipe; 2024, mounting bracket plate; 2025, drive cylinder; 2026, limit block; 3, heating limit structure; 301, guide plate; 302, guide groove; 303, spline shaft; 304, spline groove; 305, limit plate; 306, branch conveying pipe; 307, connecting pipe; 308, exhaust fan; 309, hot air blower. Detailed Implementation

[0039] The following is in conjunction with the appendix Figures 1-10 The present invention will be described in further detail below.

[0040] Please refer to the attached diagram in the instruction manual. Figure 1 and Figure 2An embodiment of this utility model is provided: a clamping and conveying mechanism for a bending machine, including a bending structure 1, a clamping and conveying structure 2 fixedly connected to one side of the bending structure 1, and a heating and limiting structure 3 fixedly connected to the front of the bending structure 1.

[0041] The bending structure 1 includes an operating table 101 with a controller fixedly connected to the bottom, and an installation base 102 fixedly connected to one side above the operating table 101. A lower bending mold 103 is fixedly connected to the lower part of the installation base 102, and a guide rod 104 is fixedly connected to the upper part of the lower bending mold 103. An upper bending mold 105 with sliding adjustment is provided on the surface of the guide rod 104.

[0042] A drive sliding rod 106 that passes through the mounting base 102 is fixedly connected above the upper bending mold 105, and the upper part of the drive sliding rod 106 is fixedly connected to one end of the rotating connecting rod 107 by a fixing nut;

[0043] The other end of the rotating connecting rod 107 is rotatably connected to the bearing mounting base 108, and the lower end of the other end of the rotating connecting rod 107 is rotatably connected to the output end of the electric telescopic rod 109 through a fixing nut. The electric telescopic rod 109 is fixedly installed inside the rear side of the mounting base 102.

[0044] Among them, the above-mentioned components drive the upper bending mold 105 to form a reciprocating drive adjustment structure, and the reciprocating drive adjustment structure formed by the upper bending mold 105 effectively bends the carrier belt conveyed on the surface.

[0045] See the attached diagram in the instruction manual. Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The clamping and conveying structure 2 includes a clamping and conveying assembly 201 that is installed and connected to the gas drive assembly 202. The clamping and conveying assembly 201 includes a fixing block 2011 that has a through-hole mounting groove 2012. A guide sliding groove 2013 is provided inside the mounting groove 2012, and an annular folding airbag 2014 is fixedly connected to one side inside the guide sliding groove 2013.

[0046] The mounting slot 2012 is symmetrically designed, and the annular folding airbag 2014 is also symmetrically designed. When the annular folding airbag 2014 is symmetrically designed, the symmetrically designed hollow guide sliding block 2018 can be synchronously driven to slide and adjust.

[0047] See the attached diagram in the instruction manual. Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8The annular folding airbag 2014 has a first air inlet pipe 2015 fixed to the outer wall of the fixing block 2011 on one side, and a compression spring 2016 is fixedly connected to the other side of the guide sliding groove 2013. A guide connecting rod 2017 is provided in the annular folding airbag 2014 and the compression spring 2016, and a hollow guide sliding block 2018 is provided on the surface of the guide connecting rod 2017.

[0048] The compression spring 2016, the annular folding airbag 2014, and the hollow guide slide block 2018 constitute a reciprocating sliding adjustment structure. The reciprocating sliding adjustment structure composed of the compression spring 2016, the annular folding airbag 2014, and the hollow guide slide block 2018 effectively performs reciprocating clamping and conveying of the carrier belt. At the same time, when the hollow guide slide block 2018 is driven by air for sliding adjustment, the noise generated during the operation of the motor is reduced, and noise pollution to the operator is avoided.

[0049] See the attached diagram in the instruction manual. Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The guide connecting rod 2017 has grooves 2019 at both ends, and a guide inclined arc plate 20110 is fixedly connected to one side of the groove 2019. The hollow guide sliding block 2018 has a through hole 20111 that is connected to the upper surface of the hollow guide sliding block 2018. Another guide sliding groove 2013 is opened inside the through hole 20111. The other guide sliding groove 2013 slides and matches the guide column 20112 through another hollow guide sliding block 2018. The bottom of the guide column 20112 is fixedly connected to a drive wheel 20113 that slides along the inside of the groove 2019. A through ring 20115 is fixedly connected to the surface of the hollow guide sliding block 2018 above the guide column 20112. A silicone suction cup 20114 is fixedly connected to the top of the guide column 20112.

[0050] The groove 2019, the guide inclined arc plate 20110, the guide column 20112, and the drive wheel 20113 constitute a drive extension and reduction adjustment structure. The drive extension and reduction adjustment structure composed of the above components effectively changes the extension and reduction sliding range of the guide column 20112, which facilitates the feeding, bending, clamping, and conveying of the carrier belt. Furthermore, the above components are set with purely mechanical parts to reflect the matching clamping and conveying effect of purely mechanical parts. At the same time, a pressure detection module is set inside the groove 2019, which facilitates the control and adjustment of the gas conveying component 2022.

[0051] See the attached diagram in the instruction manual. Figure 3 , Figure 4 , Figure 5, Figure 6 , Figure 7 and Figure 8 A rubber roller 20116 is rotatably mounted on one side of the fixed block 2011 via a bearing bracket, and the fixed block 2011 is fixedly mounted on one side above the operating table 101. The other side of the annular folding airbag 2014 is fixedly connected to one side of the hollow guide sliding block 2018, and one end of the first air inlet pipe 2015 is installed and connected to the gas drive assembly 202 components.

[0052] The rubber roller 20116 is used to prevent the carrier belt from slipping after the silicone suction cup 20114 separates from the carrier belt under force.

[0053] See the attached diagram in the instruction manual. Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The gas drive assembly 202 includes a T-shaped platform 2021 fixedly installed on the rear side above the operating table 101, and a gas conveying component 2022 fixedly connected above the T-shaped platform 2021. The upper side of the gas conveying component 2022 is installed and connected to the first air inlet pipe 2015, and the lower side of the gas conveying component 2022 is installed and connected to one end of the second air inlet pipe 2023. A mounting plate 2024 is fixedly connected below the T-shaped platform 2021, and a drive cylinder 2025 is fixedly connected to one side of the mounting plate 2024. A limiting block 2026 for limiting the compression of the carrier belt is fixedly connected below the drive cylinder 2025, and the other end of the drive cylinder 2025 is installed and connected to the second air inlet pipe 2023.

[0054] See the attached diagram in the instruction manual. Figure 9 and Figure 10 The heating limiting structure 3 includes a guide plate 301 fixed to one side of the bending die 103, and a guide groove 302 is provided on the inner side of the guide plate 301 to facilitate the guiding and conveying of the carrier belt. A spline shaft 303 with a hollow internal structure is fixedly connected inside the guide groove 302, and a limiting plate 305 with a spline groove 304 on the inner side is provided on the surface of the spline shaft 303. A branch conveying pipe 306 is provided at one end of the spline shaft 303 and is embedded and connected to the guide plate 301.

[0055] The spline shaft 303 has multiple shafts, and each spline shaft 303 has two limiting discs 305 on its surface. The symmetrical limiting discs 305 are used to limit the conveying of the carrier belt in the conveying state.

[0056] See the attached diagram in the instruction manual. Figure 9 and Figure 10One end of the branch conveying pipe 306 is installed and connected to the connecting pipe 307, and the other end of the connecting pipe 307 passes through the operating table 101 and extends below the operating table 101 to be installed and connected to the air outlet of the exhaust fan 308. The air inlet of the exhaust fan 308 is installed and connected to the air outlet of the hot air fan 309, and both the exhaust fan 308 and the hot air fan 309 are fixedly installed below the operating table 101.

[0057] Working principle: When using the clamping mechanism of this bending machine, the carrier belt to be bent is placed on the material placement rack, and then one end of the carrier belt extends through the rubber roller 20116 into the mounting groove 2012. At this time, the controller controls the gas conveying component 2022 to operate, and the gas is delivered through the first air inlet pipe 2015 into the annular folding air bag 2014. The annular folding air bag 2014 is gradually inflated. When the annular folding air bag 2014 is gradually inflated and extended, it pushes the hollow guide sliding block 2018 to slide along the guide connecting rod 2017. When the hollow guide sliding block 2018 slides... At this time, the drive wheel 20113 gradually pushes the guide post 20112 upward along the groove 2019 and the guide inclined arc plate 20110. When the guide post 20112 gradually moves upward, the silicone suction cup 20114 squeezes and clamps the carrier belt on both sides. At this time, the annular folding airbag 2014 continuously pushes the hollow guide sliding block 2018 to slide. When the hollow guide sliding block 2018 continues to slide, the silicone suction cup 20114, which clamps the carrier belt, drives the carrier belt to be conveyed onto the guide plate 301. When the carrier belt is conveyed onto the guide plate 301, the drive wheel 20113 falls into another groove 2019, and the silicone suction cup 20114 simultaneously pushes the hollow guide sliding block 2018 to slide. When the suction cup 20114 separates from the carrier belt under force, and then the drive wheel 20113 contacts the pressure detection module, the pressure detection module transmits a signal to the controller. At this time, the controller stops the operation of the gas conveying component 2022. The compression spring 2016, which is squeezed after operation, pushes the hollow guide slide block 2018 to slide in the opposite direction. When the hollow guide slide block 2018 slides in the opposite direction, the above steps are repeated to repeatedly clamp and convey the carrier belt. At the same time, the carrier belt conveyed on the guide plate 301 gradually passes through the heated spline shaft 303 and undergoes a gradual semi-softening treatment. The semi-softened carrier belt is then conveyed onto the lower bending mold 103. At this time, the electric telescopic rod 1... 09 drives the sliding rod 106 and the rotating connecting rod 107 to move the upper bending mold 105 downward to bend the carrier belt. At the same time, during the bending process, the gas conveying component 2022 delivers gas to the drive cylinder 2025, which drives the limit block 2026 to press the carrier belt to prevent it from shifting during the bending process. When carrier belts of different widths need to be conveyed, the operator manually adjusts the relative sliding distance between the limit plates 305 and then controls the hot air fan 309 and the exhaust fan 308 to reheat the cooled spline shaft 303.

[0058] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A clamping mechanism for a bending machine, comprising a bending structure (1), characterized in that: The bending structure (1) is fixedly connected to a clamping and conveying structure (2) on one side, and a heating limiting structure (3) is fixedly connected to the front of the bending structure (1). The bending structure (1) includes an operating table (101) with a controller fixedly connected to the bottom, and an mounting base (102) fixedly connected to one side above the operating table (101). A lower bending mold (103) is fixedly connected to the lower part of the mounting base (102), and a guide rod (104) is fixedly connected to the upper part of the lower bending mold (103). An upper bending mold (105) with sliding adjustment is provided on the surface of the guide rod (104). The upper bending mold (105) is fixedly connected to a drive sliding rod (106) that passes through the mounting base (102), and the upper part of the drive sliding rod (106) is fixedly connected to one end of the rotating connecting rod (107) by a fixing nut.

2. The clamping mechanism of the bending machine according to claim 1, characterized in that: The other end of the rotating connecting rod (107) is rotatably connected to the bearing mounting seat (108), and the other end of the rotating connecting rod (107) is rotatably connected to the output end of the electric telescopic rod (109) through a fixing nut. The electric telescopic rod (109) is fixedly installed inside the rear side of the mounting seat (102).

3. The clamping mechanism of the bending machine according to claim 1, characterized in that: The clamping and conveying structure (2) includes a clamping and conveying assembly (201) that is installed and connected to the gas drive assembly (202), and the clamping and conveying assembly (201) includes a fixing block (2011) through which an installation groove (2012) is opened. A guide sliding groove (2013) is opened on the inner side of the installation groove (2012), and an annular folding airbag (2014) is fixedly connected to one side inside the guide sliding groove (2013).

4. The clamping mechanism of the bending machine according to claim 3, characterized in that: The annular folding airbag (2014) has a first air inlet pipe (2015) fixed to the outer wall of the fixing block (2011) on one side, and a compression spring (2016) is fixedly connected to the other side of the guide sliding groove (2013). A guide connecting rod (2017) is provided in the annular folding airbag (2014) and the compression spring (2016), and a hollow guide sliding block (2018) is provided on the surface of the guide connecting rod (2017).

5. The clamping mechanism of the bending machine according to claim 4, characterized in that: The guide connecting rod (2017) has grooves (2019) at both ends, and a guide inclined arc plate (20110) is fixedly connected to one side of the groove (2019). The hollow guide sliding block (2018) has a through hole (20111) that is connected to the upper part of the surface of the hollow guide sliding block (2018). Another guide sliding groove (2013) is formed inside the through hole (20111). 3) The guide column (20112) slides and matches with another hollow guide sliding block (2018), and the bottom of the guide column (20112) is fixedly connected to a drive wheel (20113) that slides along the inside of the groove (2019). A through ring (20115) is fixedly connected to the surface of the hollow guide sliding block (2018) above the guide column (20112), and a silicone suction cup (20114) is fixedly connected to the top of the guide column (20112).

6. The clamping mechanism of the bending machine according to claim 3, characterized in that: The fixed block (2011) has a rubber roller (20116) rotatably mounted on one side via a bearing bracket, and the fixed block (2011) is fixedly mounted on one side above the operating table (101). The other side of the annular folding airbag (2014) is fixedly connected to one side of the hollow guide sliding block (2018), and one end of the first air inlet pipe (2015) is installed and connected to the gas drive assembly (202) components.

7. The clamping mechanism of the bending machine according to claim 3, characterized in that: The gas drive assembly (202) includes a T-shaped platform (2021) fixedly installed on the rear side above the operating table (101), and a gas conveying component (2022) is fixedly connected above the T-shaped platform (2021). The upper side of the gas conveying component (2022) is installed and connected to the first air inlet pipe (2015), and the lower side of the gas conveying component (2022) is installed and connected to one end of the second air inlet pipe (2023). A mounting plate (2024) is fixedly connected below the T-shaped platform (2021), and a drive cylinder (2025) is fixedly connected to one side of the mounting plate (2024). A limiting block (2026) for limiting the compression of the carrier belt is fixedly connected below the drive cylinder (2025), and the other end of the drive cylinder (2025) is installed and connected to the second air inlet pipe (2023).

8. The clamping mechanism of the bending machine according to claim 1, characterized in that: The heating limiting structure (3) includes a guide plate (301) fixed to one side of the bending die (103), and a guide groove (302) is provided on the inner side of the guide plate (301) to facilitate the guiding and conveying of the carrier belt. A spline shaft (303) with a hollow internal structure is fixedly connected inside the guide groove (302), and a limiting plate (305) with a spline groove (304) on the inner side is provided on the surface of the spline shaft (303). A branch conveying pipe (306) is provided at one end of the spline shaft (303) and is embedded and connected to the guide plate (301).

9. The clamping mechanism of the bending machine according to claim 8, characterized in that: One end of the branch delivery pipe (306) is installed and connected to the connecting pipe (307), and the other end of the connecting pipe (307) passes through the operating table (101) and extends below the operating table (101) to be installed and connected to the air outlet of the exhaust fan (308). The air inlet of the exhaust fan (308) is installed and connected to the air outlet of the hot air blower (309), and both the exhaust fan (308) and the hot air blower (309) are fixedly installed below the operating table (101).

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