A bellows clamping structure for a bellows end stamping device

Abstract

This utility model relates to the field of corrugated pipe production technology and discloses a corrugated pipe clamping structure for a corrugated pipe end stamping device. The structure includes a stamping table, a fixing plate, and a corrugated pipe body. A fixing column is fixedly installed at the end of the fixing plate away from the stamping table, and a top plate is fixedly installed at the end of the fixing column away from the fixing plate. A stamping pump is fixedly installed at the end of the top plate near the fixing plate, and a sliding plate is fixedly installed at the output end of the stamping pump. A clamping assembly is provided inside the stamping table. This corrugated pipe clamping structure for the corrugated pipe end stamping device, through the cooperation of the fixing groove of the clamping rod and the locking block of the clamping sleeve, allows the clamping sleeve to be embedded in the locking groove of the clamping rod. Simultaneously, the locking block engages with the fixing groove, forming a double constraint on the clamping sleeve. This allows the clamping sleeve and the clamping rod to move synchronously. When clamping corrugated pipes of different diameters, only the clamping sleeve needs to be removed; there is no need to replace the entire clamping rod, simplifying the operation process and improving the overall practicality of the structure.

Description

Technical Field

[0001] This utility model relates to the field of corrugated pipe production technology, specifically to a corrugated pipe clamping structure for a corrugated pipe end stamping device. Background Technology

[0002] Corrugated pipes mainly include metal corrugated pipes, corrugated expansion joints, corrugated heat exchange tubes, diaphragm boxes, and metal hoses. Metal corrugated pipes are mainly used to compensate for pipeline thermal deformation, damping, and absorbing pipeline settlement deformation. They are widely used in petrochemical, instrumentation, aerospace, chemical, power, cement, and metallurgical industries. During the manufacturing process, the corrugated ends need to be stamped into flat arc surfaces for docking and installation with flanges and other workpieces.

[0003] Chinese Utility Model Patent Publication No. CN217393507U discloses a stamping device for the end of a corrugated pipe. The specification of this device describes how, through the cooperation of a height adjustment component, a hollow cylinder, an arc-shaped plate, and an adjustment component, a drive component moves a movable circular plate, causing the circumference of the movable circular plate to contact an inclined linkage rod. This compression causes the linkage rod to bend outward at a metal spring, simultaneously causing the hinged arc-shaped plate to expand outward until it contacts the inner wall of the corrugated pipe, thus fixing and supporting the corrugated pipe. The height adjustment component further adjusts the height of the corrugated pipe, facilitating compatibility with stamping dies of different sizes and enabling the fixing and support of corrugated pipes of different diameters, thus improving practicality. However, this stamping device for the end of the corrugated pipe lacks a quick-release clamping structure. When the clamping structure is damaged, it is not only inconvenient to quickly replace it, but also inconvenient to change the clamping frame according to different diameter corrugated pipes, resulting in significant limitations in the use of the clamping mechanism. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a bellows clamping structure for a bellows end stamping device. It can effectively solve the problem that in the prior art, the quick-release structure without a clamping mechanism is not designed. When the clamping mechanism is damaged, it is not only inconvenient to replace it quickly, but also inconvenient to replace the clamping frame according to bellows of different diameters, resulting in a large limitation of the clamping mechanism in use.

[0005] The technical solution adopted by this utility model is: a bellows clamping structure for a bellows end stamping device, including a stamping table, a fixing plate and a bellows body, a fixing column is fixedly installed at the end of the fixing plate away from the stamping table, a top plate is fixedly installed at the end of the fixing column away from the fixing plate, a stamping pump is fixedly installed at the end of the top plate close to the fixing plate, a sliding plate is fixedly installed at the output end of the stamping pump, and a clamping assembly is provided inside the stamping table; The clamping assembly includes a motor, and a bidirectional lead screw is fixedly installed at the output end of the motor. A clamping rod is threadedly connected to the outer edge of the bidirectional lead screw. A sleeve is engaged at the end of the clamping rod near the fixed plate. A locking block and a limiting ring are fixedly installed at the end of the sleeve away from the clamping rod. The limiting ring is located at the outer edge of the corrugated pipe body.

[0006] Preferably, the end of the clamping rod away from the stamping table is provided with a fixing groove and a slot, the locking block is adapted to the fixing groove, and the sleeve is adapted to the slot.

[0007] Through the above technical solution, the clamping rod's fixing groove and the ferrule's locking block cooperate to allow the ferrule to be embedded in the clamping rod's locking groove. At the same time, the locking block engages with the fixing groove, forming a double constraint on the ferrule. This allows the ferrule and clamping rod to move synchronously. When clamping corrugated pipes of different diameters, only the ferrule needs to be removed, without replacing the entire clamping rod. This simplifies the operation process and improves the practicality of the overall structure.

[0008] Preferably, an extension plate is fixedly installed at the end of the clamping rod away from the corrugated pipe body, and a positioning bolt is threadedly connected to the end of the extension plate away from the clamping rod. The positioning bolt passes through the extension plate and extends to the inner edge of the locking block.

[0009] With the above technical solution, after the ferrule and the clamping rod are engaged, the positioning bolt tightens the clamping block with the thread preload, which reduces the clearance between the ferrule and the clamping rod and can quickly fix them, preventing them from loosening due to vibration.

[0010] Preferably, the limiting ring has a "C" shaped cross-section, the fixed plate has a through groove at one end near the stamping table, the fixed plate has a sliding groove at its inner edge, the bidirectional lead screw is adapted to the clamping rod, and the clamping rod and the sliding groove are slidably connected.

[0011] The above technical solution uses the arc-shaped inner wall of the C-shaped limiting ring to fit against the outer wall of the bellows body, preventing displacement. Furthermore, when the bidirectional screw rotates, the clamping rod slides synchronously in the opposite direction along the slide groove, which can achieve a more balanced clamping force of the limiting ring on the bellows body and avoid deformation of the bellows caused by unilateral force.

[0012] Preferably, a support leg is fixedly installed at the end of the stamping table away from the fixed plate, a door frame is rotatably connected to the front side of the stamping table, and an operating table is provided at the end of the stamping table near the door frame.

[0013] The above technical solution increases the contact area between the stamping table and the ground by using support legs, reducing the transmission of stamping vibration to the ground and preventing the overall equipment from shifting. In addition, the integrated control buttons on the operating panel allow operators to complete the operation without having to approach the stamping area, thus improving safety.

[0014] Preferably, a protective grille is fixedly installed at the end of the stamping table near the fixed plate, and a control box is provided at the end of the top plate away from the stamping table.

[0015] The above technical solution uses a protective grille located between the stamping table and the fixed plate to block metal debris from splashing during stamping without affecting the observation of the internal clamping and stamping status.

[0016] Preferably, four identical fixing columns are provided, the sliding plate is slidably connected to the fixing columns, and the sliding plate is located directly above the corrugated pipe body.

[0017] The above technical solution uses four fixed columns arranged in a rectangular pattern to provide stable support for the top plate and the stamping pump, preventing the top plate from bending during stamping. The sliding plate and the fixed columns slide together to restrict the movement direction of the sliding plate and avoid port deformation or cracking caused by stamping pressure deviation.

[0018] Compared with the prior art, the present invention provides a bellows clamping structure for a bellows end stamping device, which has the following advantages: 1. The bellows end stamping device uses a bellows clamping structure. Through the cooperation of the fixing groove of the clamping rod and the clamping block of the ferrule, the ferrule can be embedded into the clamping groove of the clamping rod. At the same time, the clamping block is engaged in the fixing groove, which can form a double restriction on the ferrule. This allows the ferrule and the clamping rod to move synchronously. When clamping bellows of different diameters, only the ferrule needs to be removed, without replacing the entire clamping rod. This simplifies the operation process and improves the practicality of the overall structure. 2. The bellows end stamping device uses a bellows clamping structure. The arc-shaped inner wall of the C-shaped limiting ring fits against the outer wall of the bellows body to prevent displacement. When the bidirectional screw rotates, the clamping rod slides synchronously in the opposite direction along the slide groove, which can achieve a more balanced clamping force of the limiting ring on the bellows body and avoid deformation of the bellows due to unilateral force. After the ferrule and the clamping rod are engaged, the positioning bolt tightens the clamping block through the thread preload, which can reduce the fit gap between the ferrule and the clamping rod and can quickly fix them, preventing them from loosening due to vibration. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ; Figure 3 This is a schematic cross-sectional view of the present invention. Figure 4 This is a three-dimensional structural diagram of the fixing plate of this utility model; Figure 5 This is a three-dimensional structural diagram of the clamping component of this utility model; Figure 6 This is a schematic diagram of the disassembled structure of the clamping component of this utility model. Figure 1 ; Figure 7 This is a schematic diagram of the disassembled structure of the clamping component of this utility model. Figure 2 .

[0020] The components include: 1. Stamping table; 2. Support leg; 3. Door frame; 4. Operating table; 5. Protective grille; 6. Fixing plate; 7. Through groove; 8. Slide groove; 9. Fixing column; 10. Top plate; 11. Control box; 12. Stamping pump; 13. Slide plate; 14. Clamping assembly; 1401. Motor; 1402. Two-way lead screw; 1403. Clamping rod; 1404. Fixing groove; 1405. Card slot; 1406. Extension plate; 1407. Sleeve; 1408. Card block; 1409. Limiting ring; 1410. Positioning bolt; 15. Corrugated pipe body. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: As Figure 1-7 As shown, the present invention provides a bellows clamping structure for a bellows port stamping device, including a stamping table 1, a fixing plate 6 and a bellows body 15. A fixing column 9 is fixedly installed at the end of the fixing plate 6 away from the stamping table 1, a top plate 10 is fixedly installed at the end of the fixing column 9 away from the fixing plate 6, a stamping pump 12 is fixedly installed at the end of the top plate 10 close to the fixing plate 6, a sliding plate 13 is fixedly installed at the output end of the stamping pump 12, and a clamping assembly 14 is provided inside the stamping table 1. The clamping assembly 14 includes a motor 1401. A bidirectional lead screw 1402 is fixedly installed at the output end of the motor 1401. A clamping rod 1403 is threadedly connected to the outer edge of the bidirectional lead screw 1402. A sleeve 1407 is snapped into the end of the clamping rod 1403 near the fixing plate 6. A locking block 1408 and a limiting ring 1409 are fixedly installed at the end of the sleeve 1407 away from the clamping rod 1403. The limiting ring 1409 is located at the outer edge of the bellows body 15.

[0023] Specifically, the end of the clamping rod 1403 away from the stamping table 1 is provided with a fixing groove 1404 and a slot 1405. The locking block 1408 is adapted to the fixing groove 1404, and the sleeve 1407 is adapted to the slot 1405. The advantage is that, through the cooperation of the fixing groove 1404 of the clamping rod 1403 and the locking block 1408 of the sleeve 1407, the sleeve 1407 can be embedded into the slot 1405 of the clamping rod 1403. At the same time, the locking block 1408 is engaged in the fixing groove 1404, which can form a double restriction on the sleeve 1407. This allows the sleeve 1407 and the clamping rod 1403 to move synchronously. When clamping bellows of different diameters, only the sleeve 1407 needs to be removed, without replacing the entire clamping rod 1403. This simplifies the operation process and improves the practicality of the overall structure.

[0024] Specifically, an extension plate 1406 is fixedly installed at the end of the clamping rod 1403 away from the bellows body 15. A positioning bolt 1410 is threadedly connected to the end of the extension plate 1406 away from the clamping rod 1403. The positioning bolt 1410 passes through the extension plate 1406 and extends to the inner edge of the locking block 1408. The advantage is that after the sleeve 1407 and the clamping rod 1403 are engaged, the positioning bolt 1410 tightens the locking block 1408 through the thread preload, which can reduce the fit gap between the sleeve 1407 and the clamping rod 1403, and can play a role in quick fixation, which can prevent the two from loosening due to vibration.

[0025] Specifically, the limiting ring 1409 has a "C" shaped cross-section. A through groove 7 is provided at one end of the fixing plate 6 near the stamping table 1. A sliding groove 8 is provided at the inner edge of the fixing plate 6. The bidirectional lead screw 1402 is adapted to the clamping rod 1403. The clamping rod 1403 and the sliding groove 8 are slidably connected. The advantage is that the arc-shaped inner wall of the C-shaped limiting ring 1409 fits against the outer wall of the bellows body 15, preventing displacement. When the bidirectional lead screw 1402 rotates, the clamping rod 1403 slides synchronously in the opposite direction along the sliding groove 8. This can achieve a more balanced clamping force of the limiting ring 1409 on the bellows body 15, avoiding deformation of the bellows due to unilateral force.

[0026] Example 2: Figure 2-7 As shown, this is an improvement on the previous embodiment.

[0027] Specifically, a support leg 2 is fixedly installed at the end of the stamping table 1 away from the fixed plate 6. A door frame 3 is rotatably connected to the front side of the stamping table 1. An operating table 4 is set at the end of the stamping table 1 near the door frame 3. The advantage is that the support leg 2 increases the contact area between the stamping table 1 and the ground, reduces the transmission of stamping vibration to the ground, and prevents the overall equipment from shifting. In addition, the operating table 4 integrates control buttons, so the operator can complete the operation without approaching the stamping area, thus improving safety.

[0028] Specifically, a protective grille 5 is fixedly installed at one end of the stamping table 1 near the fixed plate 6, and a control box 11 is provided at the end of the top plate 10 away from the stamping table 1. The advantage is that the protective grille 5 is located between the stamping table 1 and the fixed plate 6, which can block the splashing of metal chips generated by stamping without affecting the observation of the internal clamping and stamping status.

[0029] Specifically, there are four identical fixed columns 9. The slide plate 13 is slidably connected to the fixed columns 9. The slide plate 13 is located directly above the bellows body 15. The advantage is that the four fixed columns 9 are arranged in a rectangular shape to provide stable support for the top plate 10 and the stamping pump 12, preventing the top plate 10 from bending during stamping. In addition, the slide plate 13 and the fixed columns 9 slide together to limit the movement direction of the slide plate 13 and avoid port deformation or cracking caused by stamping pressure deviation.

[0030] Working principle: During use, the clamping rod 1403's fixing groove 1404 cooperates with the clamping block 1408 of the ferrule 1407, allowing the ferrule 1407 to embed into the clamping groove 1405 of the clamping rod 1403. Simultaneously, the clamping block 1408 engages with the fixing groove 1404, creating a double constraint on the ferrule 1407. This allows the ferrule 1407 and the clamping rod 1403 to move synchronously. When clamping bellows of different diameters, only the ferrule 1407 needs to be removed; the entire clamping rod is not required. Replacing the clamping rod 1403 simplifies the operation process and improves the overall practicality of the structure. After the sleeve 1407 and the clamping rod 1403 are engaged, the positioning bolt 1410 tightens the locking block 1408 through the thread preload, which reduces the clearance between the sleeve 1407 and the clamping rod 1403 and provides quick fixation, preventing them from loosening due to vibration. The C-shaped limiting ring 1409 fits the outer surface of the bellows body 15 through its arc-shaped inner wall. The wall is designed to prevent displacement, and when the bidirectional lead screw 1402 rotates, the clamping rod 1403 slides synchronously in the opposite direction along the slide groove 8, which can achieve a more balanced clamping force of the limit ring 1409 on the bellows body 15, avoiding deformation of the bellows due to unilateral force. The support leg 2 increases the contact area between the stamping table 1 and the ground, reducing the transmission of stamping vibration to the ground and preventing the overall equipment from shifting. In addition, the control button integrated on the operating table 4 allows the operator to complete the operation without approaching the stamping area, improving safety. The protective grille 5 is located between the stamping table 1 and the fixed plate 6, which can block the splashing of metal chips generated by stamping without affecting the observation of the internal clamping and stamping status. The four fixed columns 9 are arranged in a rectangle to provide stable support for the top plate 10 and the stamping pump 12, preventing the top plate 10 from bending during stamping. The sliding plate 13 slides with the fixed column 9 to limit the movement direction of the sliding plate 13, avoiding port deformation or cracking caused by stamping force deviation.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bellows clamping structure for a bellows end stamping device, comprising a stamping table (1), a fixing plate (6), and a bellows body (15), characterized in that: A fixing column (9) is fixedly installed at the end of the fixing plate (6) away from the stamping table (1), a top plate (10) is fixedly installed at the end of the fixing column (9) away from the fixing plate (6), a stamping pump (12) is fixedly installed at the end of the top plate (10) close to the fixing plate (6), a sliding plate (13) is fixedly installed at the output end of the stamping pump (12), and a clamping assembly (14) is provided inside the stamping table (1). The clamping assembly (14) includes a motor (1401), a bidirectional lead screw (1402) is fixedly installed at the output end of the motor (1401), a clamping rod (1403) is threadedly connected to the outer edge of the bidirectional lead screw (1402), a sleeve (1407) is snapped into the end of the clamping rod (1403) near the fixing plate (6), a locking block (1408) and a limiting ring (1409) are fixedly installed at the end of the sleeve (1407) away from the clamping rod (1403), and the limiting ring (1409) is located at the outer edge of the bellows body (15).

2. The bellows clamping structure for a bellows end stamping device according to claim 1, characterized in that: The clamping rod (1403) has a fixing groove (1404) and a card slot (1405) at the end away from the stamping table (1). The card block (1408) is adapted to the fixing groove (1404), and the card sleeve (1407) is adapted to the card slot (1405).

3. The bellows clamping structure for a bellows end stamping device according to claim 1, characterized in that: An extension plate (1406) is fixedly installed at one end of the clamping rod (1403) away from the bellows body (15). A positioning bolt (1410) is threaded to one end of the extension plate (1406) away from the clamping rod (1403). The positioning bolt (1410) passes through the extension plate (1406) and extends to the inner edge of the locking block (1408).

4. The bellows clamping structure for a bellows end stamping device according to claim 1, characterized in that: The limiting ring (1409) has a "C" shaped cross section. The fixed plate (6) has a through groove (7) at one end near the stamping table (1). The fixed plate (6) has a sliding groove (8) at its inner edge. The bidirectional lead screw (1402) is adapted to the clamping rod (1403). The clamping rod (1403) and the sliding groove (8) are slidably connected.

5. The bellows clamping structure for a bellows end stamping device according to claim 1, characterized in that: The stamping table (1) is fixedly installed with a support leg (2) at the end away from the fixed plate (6), and a door frame (3) is rotatably connected to the front side of the stamping table (1). An operating table (4) is provided at the end of the stamping table (1) near the door frame (3).

6. The bellows clamping structure for a bellows end stamping device according to claim 1, characterized in that: A protective grille (5) is fixedly installed at one end of the stamping table (1) near the fixed plate (6), and a control box (11) is provided at the end of the top plate (10) away from the stamping table (1).

7. The bellows clamping structure for a bellows end stamping device according to claim 1, characterized in that: The fixed column (9) is provided in four identical positions. The sliding plate (13) is slidably connected to the fixed column (9). The sliding plate (13) is located directly above the corrugated pipe body (15).

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