Clamp for pipe cutting machine

By designing the upper and lower extrusion of the fixture seat and the fixture plate and the combination of the positioning seat, limit rod, telescopic rod and elastic block in the center hole, the problem of unstable fixture of the CNC pipe cutting machine is solved, and the stable clamping of the round tube and the improvement of cutting accuracy are achieved.

CN223368355UActive Publication Date: 2025-09-23FOSHAN NANHAI BOZHIHAO HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202422654118.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-09-23
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

The existing CNC pipe cutting machine fixture lacks stability and cannot effectively clamp the round pipe.

Method used

A clamping structure including a first clamp and a second clamp is designed, which utilizes the upper and lower extrusion of the clamp seat and the clamp plate and the combination of the positioning seat, the limit rod, the telescopic rod and the elastic block in the center hole to achieve stable clamping of the round tube.

Benefits of technology

The clamping stability of the round tube is improved, ensuring the stability and accuracy of the cutting process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a clamp for a pipe cutting machine, the pipe cutting machine comprises a base, one side of the base is provided with a support, and the other side of the base is provided with a machining table; the first clamp comprises a clamp seat and a clamp plate, the clamp seat and the clamp plate are assembled into an up-down assembled structure, and a friction plate is arranged on one side of the clamp plate; a protruding positioning seat is arranged on one side of the second clamp, a center hole is formed in one side of the positioning seat, a center block and a limiting rod are arranged in the center hole in a penetrating mode, the center block is of a hollow structure, one end of the limiting rod is arranged in the center block in a penetrating mode, the other end of the limiting rod is in threaded connection with the center hole, a telescopic rod is arranged on one side of the center block, and an elastic block is arranged at one end of the telescopic rod. The first clamp and the second clamp are of an opposite structure. The circular tube clamping device has the advantages that the structural design is simple and reasonable, and the clamping stability of a circular tube is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of round pipe clamps, in particular to a clamp used for a pipe cutting machine. Background Art

[0002] At present, CNC pipe cutting machines can be used for cutting and drilling round pipes, which facilitates the processing of round pipes.

[0003] However, the existing CNC pipe cutting machine uses a clamp to squeeze the outer walls of the two ends of the round pipe, and the contact between the clamp and the outer wall of the round pipe is lacking a method to improve stability. Utility Model Content

[0004] The utility model provides a clamp for a pipe cutting machine, which solves the problems raised in the background technology of the prior art.

[0005] The technical solution of the present utility model is achieved as follows:

[0006] The pipe cutting machine includes:

[0007] A base, wherein one side of the base is provided with a support and the other side is provided with a processing table;

[0008] The combination of the base and the support forms an L-shaped combination;

[0009] The support comprises:

[0010] A support plate, one end of which is disposed on the wall surface of the base; a slide rail column is disposed on one side of the support plate, and a first drive shaft is disposed on the other side of the support plate, wherein the slide rail column is a vertically symmetrical structure, and the first drive shaft is disposed between the upper and lower symmetrical portions of the slide rail column;

[0011] A processing seat, wherein one side of the processing seat is provided with a groove, and the other side is provided with a second driving shaft;

[0012] The second driving shaft is provided on one side of the lifting platform, and a processing shaft is provided on one side of the lifting platform;

[0013] The processing axis and the processing table are relative structures;

[0014] One side of the processing table is in an arc shape, and the other side is provided with an axle seat, and a shaft rod is passed through the axle seat, and the shaft rod is arranged inside the base;

[0015] A first fixture, the first fixture comprising:

[0016] A fixture seat, the fixture seat is arranged on the wall surface of the base, and a protruding positioning plate is provided on one side of the fixture seat, and the positioning plate is arranged on one side of the support plate;

[0017] One side of the clamp seat is respectively provided with a clamp sleeve, a support rod and a lock hole;

[0018] The clamp sleeve has a symmetrical structure;

[0019] A fixture plate, comprising:

[0020] a first hole, wherein a support rod is passed through the first hole;

[0021] a second hole, the second hole being opposite to the lock hole, a lock rod being passed through the second hole, one end of the lock rod being passed through the interior of the lock hole;

[0022] The fixture plate has an arc groove on one side, a friction plate on the other side, and a third hole;

[0023] A protruding key block is provided on one side of the friction plate, and the key block is inserted into the interior of the third hole and is in a snap-fit ​​connection structure;

[0024] A second fixture, wherein one side of the second fixture is provided with a protruding positioning seat, and the other side is provided with a protruding positioning plate, and the positioning plate is provided on one side of the support plate;

[0025] A center hole is provided on one side of the positioning seat, and a center block and a limiting rod are passed through the center hole;

[0026] The interior of the central block is a hollow structure, one end of the limiting rod is passed through the interior of the central block, and the other end is threadedly connected to the central hole;

[0027] A locking groove is provided on one side of the limiting rod.

[0028] The first fixture and the second fixture are opposite to each other, and the first fixture, the second fixture and two ends of the processing table are opposite to each other.

[0029] As a preferred embodiment, a telescopic rod is provided on one side of the center block, one end of the telescopic rod is in contact with the outer wall of the limit rod, and the other end is provided with a hole, an elastic block is passed through the hole, and the elastic block and the hole are in a snap-connected structure.

[0030] As a preferred embodiment, the elastic block and the friction plate are both made of elastic plastic.

[0031] As a preferred embodiment, the slide rail column and the first drive shaft are passed through a hole provided in the processing seat.

[0032] After adopting the above technical solution, the beneficial effects of the utility model are: its structural design is simple and reasonable, and it has the function of improving the stability of round tube clamping; it includes a pipe cutting machine, a first clamp and a second clamp, and the pipe cutting machine includes a base, a first clamp and a second clamp. A support is provided on one side of the base, and a processing table is provided on the other side. A driving seat is provided on one side of the support, and the driving seat and the processing table are relative structures, and the first clamp, the second clamp and the two ends of the processing table are relative.

[0033] The first fixture includes a fixture seat and a fixture plate, wherein the fixture seat and the fixture plate are structures for squeezing up and down. The round tube is passed between the fixture seat and the fixture plate to help the round tube form a clamping structure. A friction plate is provided on one side of the fixture plate.

[0034] A center hole is provided on one side of the second clamp, and a positioning seat and a limit rod are passed through the center hole. The interior of the positioning seat is a hollow structure, and one end of the limit rod is passed through the interior. A telescopic rod is provided on one side of the positioning seat, and one end of the telescopic rod is in contact with the outer wall of the limit rod, and the other end is provided with an elastic block, which helps the telescopic rod to form a telescopic structure; the positioning seat is passed through the interior of the circular tube, and the telescopic rod is in contact with the inner wall of the circular tube, which helps one end of the circular tube to form a clamping structure through the first clamp, and the other end to form a supporting structure through the second clamp, thereby improving the stability of the circular tube clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0036] Figure 1 This is a schematic diagram of the overall structure of the pipe cutting machine of the present invention.

[0037] Figure 2 This is an exploded view of the overall structure of the first clamp of the utility model.

[0038] Figure 3 This is an exploded view of the overall structure of the second clamp of the present invention.

[0039] Figure 4 It is a schematic diagram of the overall structure of the limit rod of the utility model. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] like Figure 1-Figure 3 As shown:

[0042] First embodiment:

[0043] The invention comprises: a pipe cutting machine, a first clamp and a second clamp. The pipe cutting machine comprises a base 2, a first clamp and a second clamp. A support is provided on one side of the base 2 and a processing table 21 is provided on the other side. A driving seat is provided on one side of the support, and the driving seat and the processing table 21 are relative structures. The first clamp, the second clamp and the processing table 21 are relative at both ends. The first clamp comprises a clamp seat 5 and a clamp plate 7. The clamp seat 5 and the clamp plate 7 are a structure of upper and lower extrusion. The round tube is passed through the relative space between the clamp seat 5 and the clamp plate 7 to help the round tube form a clamping structure. A friction plate 73 is provided on one side of the clamp plate 7. A center hole is provided on one side of the second clamp, and a positioning seat 8 and a limit rod 81 are passed through the center hole. The positioning seat 8 is provided with a hole portion inside, and one end of a limiting rod 81 is passed through the hole portion. A telescopic rod 9 is provided on one side of the positioning seat 8. One end of the telescopic rod 9 is in contact with the outer wall of the limiting rod 81, which helps the telescopic rod 9 to form a telescopic structure; the positioning seat 8 is passed through the inside of the round tube, and the telescopic rod 9 is in contact with the inner wall of the round tube. An elastic block 90 is provided at one end of the telescopic rod 9, which helps one end of the round tube to form a clamping structure through the first clamp, and the other end to form a supporting structure through the second clamp; the elastic block 90 and the friction plate 73 are both made of elastic plastic, which helps the first clamp, the second clamp and the round tube to form frictional contact, thereby improving the stability of the round tube clamping.

[0044] The first fixture and the second fixture are opposite to each other, and the first fixture, the second fixture and two ends of the processing table 21 are opposite to each other.

[0045] One side of the clamp seat 5 is respectively provided with a clamp sleeve 50, a support rod 51 and a locking hole 52. The clamp plate 7 includes a first hole 70 and a second hole 71. The support rod 51 is passed through the first hole 70; the second hole 71 and the locking hole 52 are relative structures. A locking rod 72 is passed through the second hole 71, and one end of the locking rod 72 is passed through the inside of the locking hole 52. However, the clamp plate 7 is driven by the locking rod 72 to form a lifting and lowering structure, thereby realizing a structure for clamping one end of the round tube.

[0046] Preferably, the clamp sleeves 50 are of symmetrical structure, and the round tube is placed between the symmetrical clamp sleeves 50 .

[0047] One side of the clamp plate 7 is provided with an arc groove, and the other side is provided with a friction plate 73 and a third hole 74; one side of the friction plate 73 is provided with a protruding key block 730, and the key block 730 is passed through the inside of the third hole 74 and is a snap-connected structure, which helps the friction plate 73 form a structure that is easy to disassemble.

[0048] A center hole is provided on one side of the positioning seat 8, and a center block 80 and a limiting rod 81 are passed through the center hole; the interior of the center block 80 is a hollow structure, one end of the limiting rod 81 is passed through the interior of the center block 80, and the other end is threadedly connected to the center hole, and a locking groove 810 is provided on one side of the limiting rod 81. However, the limiting rod 81 is driven by the lock to help the limiting rod 81 to move forward and backward.

[0049] A telescopic rod 9 is provided on one side of the central block 80, and one end of the telescopic rod 9 is in contact with the outer wall of the limit rod 81. However, the telescopic rod 9 forms a telescopic movement, which helps the telescopic rod 9 to form an extrusion structure with the inner wall of the circular tube, thereby improving the stability of the circular tube clamping; a hole is provided at the other end of the telescopic rod 9, and an elastic block 90 is passed through the hole, and the elastic block 90 and the hole are in a snap-fit ​​connection structure, which helps the elastic block 90 to form a structure that is easy to disassemble.

[0050] Preferably, the limiting rod 81 is conical in shape.

[0051] The pipe cutting machine includes a base 2, a support is provided on one side of the base 2, and a processing table 21 is provided on the other side; the support includes a support plate 200 and a processing seat 3, a slide rail column 201 is provided on one side of the support plate 200, and a first drive shaft 202 is provided on the other side. The slide rail column 201 is a vertically symmetrical structure, and the first drive shaft 202 is arranged between the upper and lower symmetrical parts of the slide rail column 201.

[0052] The slide rail column 201 and the first drive shaft 202 are passed through the hole provided in the processing seat 3. The first drive shaft 202 is connected to the rotating shaft of the driving device (motor, cylinder), and the processing seat 3 can move left and right.

[0053] A groove is provided on one side of the processing seat 3, and a second drive shaft 30 is provided on the other side. One end of the second drive shaft 30 is connected to the rotating shaft of the driving device (motor, cylinder), and the second drive shaft 30 is passed through one side of the lifting platform 31. However, the lifting platform 31 can be raised and lowered.

[0054] A processing shaft 310 is provided on one side of the lifting platform 31. One end of the processing shaft 310 is connected to the rotating shaft of the driving device (motor, cylinder). The processing shaft 310 and the processing platform 21 are opposite structures, but the processing shaft 310 can perform processing.

[0055] Second embodiment:

[0056] One end of the support plate 200 is arranged on the wall of the base 2, the clamp seat 5 is arranged on the wall of the base 2, a protruding positioning plate 6 is provided on one side of the clamp seat 5, and the positioning plate 6 is provided on one side of the support plate 200, a protruding positioning seat 8 is provided on one side of the second clamp, and a protruding positioning plate 6 is provided on the other side, and the positioning plate 6 is provided on one side of the support plate 200.

[0057] Preferably, the wall surface of the base 2 is provided with a slide groove, and the clamp seat 5 and the second clamp adopt a shaft rod and the slide groove to form a structure connected through the shaft, and adopt screws and the support plate 200 to form a fixed structure;

[0058] One side of the processing table 21 is in an arc shape, and the other side is provided with a shaft seat 4. A shaft rod 40 is passed through the shaft seat 4. The shaft rod 40 is provided inside the base 2. Therefore, the processing table 21 can form forward and backward movements.

[0059] Preferably, the processing table 21 and the support plate 200 are fixed structures, but the combination of the support provided on the base 2 and the processing table 21 forms a movable structure.

[0060] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A clamp for a pipe cutting machine, characterized in that: The pipe cutting machine includes: A base, wherein one side of the base is provided with a support and the other side is provided with a processing table; A first fixture, the first fixture comprising: A fixture seat, wherein one side of the fixture seat is provided with a fixture sleeve, a support rod and a lock hole; A fixture plate, comprising: a first hole, wherein a support rod is passed through the first hole; a second hole, the second hole being opposite to the lock hole, a lock rod being passed through the second hole, one end of the lock rod being passed through the interior of the lock hole; One side of the fixture plate is provided with a friction plate; a second fixture, wherein a protruding positioning seat is provided on one side of the second fixture; A center hole is provided on one side of the positioning seat, and a center block and a limiting rod are passed through the center hole; The interior of the central block is a hollow structure, one end of the limiting rod is passed through the interior of the central block, and the other end is threadedly connected to the central hole; A telescopic rod is provided on one side of the central block, and an elastic block is provided at one end of the telescopic rod; The first clamp and the second clamp are opposite structures.

2. A clamp for a pipe cutting machine according to claim 1, characterized in that: A telescopic rod is provided on one side of the central block, one end of the telescopic rod is in contact with the outer wall of the limiting rod, and the other end is provided with a hole, an elastic block is passed through the hole, and the elastic block and the hole are in a snap-connected structure.

3. A clamp for a pipe cutting machine according to claim 2, characterized in that: One side of the clamp plate is provided with an arc groove, the other side is provided with a friction plate and a third hole.

4. A clamp for a pipe cutting machine according to claim 3, characterized in that: One side of the friction plate is provided with a protruding key block, and the key block is passed through the interior of the third hole.

5. A clamp for a pipe cutting machine according to claim 4, characterized in that: The elastic block and the friction plate are both made of elastic plastic.