Pipe fitting clamping device for pipe fitting machining

Abstract

The utility model discloses a pipe fitting clamping device for pipe fitting processing, which comprises a base, a sliding chute is arranged at the top end of the base, two clamping plates are symmetrically arranged above the base, the bottom ends of the two clamping plates are both slidably mounted in the sliding chute, inner clamping components are mounted on the sides, close to each other, of the two clamping plates, and the inner clamping components are slidably mounted in the sliding chute. A sliding groove is formed in the base, a double-thread screw is rotationally installed in the sliding groove, the two clamping plates are in threaded connection with two threaded grooves, opposite in forming direction, in the double-thread screw correspondingly, one end of the double-thread screw is fixedly connected with an output shaft of a first motor, and the first motor is fixedly installed on the base. The internal clamping assembly comprises middle shafts fixedly installed on the sides, close to each other, of the two clamping plates. In the working process, the two clamping plates are in threaded connection with the threaded grooves formed in the double-thread screw in the opposite directions respectively, a pipe fitting is placed between the two clamping plates, and after the double-thread screw rotates, the two clamping plates are driven to be close to each other, so that the two clamping plates clamp the pipe fitting, and machining is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe fitting processing, in particular to a pipe fitting clamping device used for pipe fitting processing. Background Art

[0002] According to the patent document with the authorization announcement number "CN218254718U" and the invention name "A clamping device for pipe processing", the specification states: the telescopic device also includes a telescopic rod and a buffer spring, the middle end of the side of the second sliding block is symmetrically and parallelly connected to the top of the two telescopic rods, and the bottom ends of the two telescopic rods are connected to the side of the same positioning tube, and the outer wall of the telescopic rod is installed with a buffer spring, and the number of telescopic rods and buffer springs is the same. The advantage is that the telescopic device can make the positioning tube move within a certain range, and the sliding block 1 and the sliding block 2 can adapt to pipe bodies of different lengths when the limit block is fixed. When the pipe body is pulled out, the buffer spring and the telescopic rod can quickly return the positioning tube to its original position, achieving good adaptability, but there are still the following defects:

[0003] Since the area of ​​the positioning tube is fixed, it is inconvenient to clamp a pipe with a larger diameter, resulting in a smaller clamping range. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a pipe clamping device for pipe processing, which effectively solves the problem that the area of ​​the positioning tube is fixed and it is inconvenient to clamp pipes with larger diameters.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipe clamping device for pipe processing, comprising a base, a slide groove is opened at the top of the base, two clamping plates are symmetrically arranged above the base, the bottom ends of the two clamping plates are slidably installed inside the slide groove, the two clamping plates are installed with internal clamping components on the side close to each other, a double-headed screw is rotatably installed inside the slide groove, the two clamping plates are respectively threadedly connected to two thread grooves opened in opposite directions on the double-headed screw, one end of the double-headed screw is fixedly connected to the output shaft of the first motor, and the first motor is fixedly installed on the base.

[0006] Preferably, the internal clamping assembly includes a middle shaft fixedly mounted on the side of the two clamps close to each other, an end block is coaxially mounted on the end of the middle shaft away from the clamp, the diameter of the end block is larger than the diameter of the middle shaft, and a swivel seat is mounted at an equal angle on the outside of the end block.

[0007] Preferably, a rotating sleeve is rotatably mounted on the rotating seat, a connecting plate is mounted on a side of the rotating sleeve close to the clamping plate, and a clamping member is mounted on a side of the rotating sleeve away from the clamping plate.

[0008] Preferably, a movable groove is opened inside the middle shaft, side grooves are opened at equal angles on the outside of the movable groove, the side grooves correspond to the swivel seats one by one, a movable plate is movably installed inside the movable groove, side blocks are installed at equal angles on the outside of the movable plate, the side blocks are slidably installed inside the side groove, connecting rods are provided on the diameter of the side blocks and the connecting plate, and the two ends of the connecting rods are respectively hinged to the end of the connecting plate and the outer wall of the side block.

[0009] Preferably, an adjusting screw is coaxially rotatably installed inside the movable groove, the adjusting screw is threadedly connected to the movable plate, one end of the adjusting screw is fixedly connected to the output shaft of the second motor, and the second motor is fixedly installed on a side of the clamping plate away from the middle axis.

[0010] Preferably, the clamping member comprises a screw barrel fixedly mounted on a side of the rotating sleeve away from the connecting plate, a movable screw is mounted on the internal thread of the screw barrel, and a clamping block is fixedly mounted on one end of the movable screw away from the rotating seat.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] During operation, the two clamping plates are respectively connected with the thread grooves in opposite directions on the double-headed screw, and the pipe fitting is placed between the two clamping plates. After the double-headed screw rotates, the two clamping plates are driven to approach each other, so that the two clamping plates clamp the pipe fitting, which is convenient for processing;

[0013] During operation, the middle shaft is arranged inside the pipe fitting. After the movable plate moves toward the clamping plate, the connecting rod can pull the rotating sleeve to rotate, so that the clamping block moves toward the inner wall of the pipe fitting, so that each clamping block moves with the inner wall of the pipe fitting, thereby improving the clamping stability of the pipe fitting.

[0014] During work, the movable screw on the clamping block is connected to the screw barrel thread. When the inner diameter of the pipe is large, the movable screw is turned to make the movable screw connected to the screw barrel thread, thereby adjusting the distance between the clamping block and the swivel seat, making it convenient to clamp pipes with different inner diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic structural diagram of a pipe clamping device for pipe processing according to the utility model;

[0018] Figure 2 This is a schematic diagram of the splint structure of the utility model;

[0019] Figure 3This is a schematic diagram of the internal clamping assembly structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the clamping member of the utility model.

[0021] In the figure: 1. base; 2. slide groove; 3. clamping plate; 4. double-headed screw; 5. first motor; 6. internal clamping assembly; 601. middle shaft; 602. end block; 603. swivel seat; 604. swivel sleeve; 605. movable groove; 606. side groove; 607. movable plate; 608. side block; 609. connecting plate; 610. connecting rod; 611. adjusting screw; 612. second motor; 613. clamping member; 6131. ​​screw barrel; 6132. movable screw; 6133. clamping block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1, by Figure 1-4 The utility model relates to a pipe clamping device for pipe processing, comprising a base 1, a slide groove 2 is provided at the top of the base 1, two clamping plates 3 are symmetrically provided above the base 1, the bottom ends of the two clamping plates 3 are slidably installed in the interior of the slide groove 2, and the two clamping plates 3 are installed on the side close to each other with an internal clamping component 6, a double-headed screw 4 is rotatably installed inside the slide groove 2, the two clamping plates 3 are respectively threadedly connected to two thread grooves opened in opposite directions on the double-headed screw 4, one end of the double-headed screw 4 is fixedly connected to the output shaft of the first motor 5, the first motor 5 is fixedly installed on the base 1, the two clamping plates 3 are respectively threadedly connected to the thread grooves opened in opposite directions on the double-headed screw 4, the pipe is placed between the two clamping plates 3, and after the double-headed screw 4 rotates, the two clamping plates 3 are driven close to each other, so that the two clamping plates 3 clamp the pipe for convenient processing.

[0024] The internal clamping assembly 6 includes a middle shaft 601 fixedly mounted on the side of the two clamping plates 3 close to each other, an end block 602 is coaxially mounted on the end of the middle shaft 601 away from the clamping plate 3, the diameter of the end block 602 is larger than the diameter of the middle shaft 601, a swivel seat 603 is mounted at an equal angle on the outer side of the end block 602, a swivel sleeve 604 is rotatably mounted on the swivel seat 603, a connecting plate 609 is mounted on the side of the swivel sleeve 604 close to the clamping plate 3, a clamping member 613 is mounted on the side of the swivel sleeve 604 away from the clamping plate 3, a movable groove 605 is opened inside the middle shaft 601, and a side groove 606 is opened at an equal angle on the outer side of the movable groove 605, and the side groove 606 is connected to the swivel seat 60 3 correspond one to one, a movable plate 607 is movably installed inside the movable groove 605, and a side block 608 is installed at an equal angle outside the movable plate 607. The side block 608 is slidably installed inside the side groove 606. A connecting rod 610 is provided on the diameter of the side block 608 and the connecting plate 609. The two ends of the connecting rod 610 are respectively hinged to the end of the connecting plate 609 and the outer wall of the side block 608. An adjusting screw 611 is coaxially rotatably installed inside the movable groove 605. The adjusting screw 611 is threadedly connected to the movable plate 607, and one end of the adjusting screw 611 is fixedly connected to the output shaft of the second motor 612. The second motor 612 is fixedly installed on the side of the clamping plate 3 away from the middle axis 601.

[0025] The clamping member 613 includes a screw barrel 6131 fixedly mounted on a side of the rotating sleeve 604 away from the connecting plate 609, a movable screw 6132 is installed on the internal thread of the screw barrel 6131, a clamping block 6133 is fixedly installed on the end of the movable screw 6132 away from the rotating seat 603, the middle shaft 601 is located inside the pipe fitting, and after the movable plate 607 moves toward the clamping plate 3, the rotating sleeve 604 can be pulled to rotate through the connecting rod 610, so that the clamping block 6133 moves toward the inner wall of the pipe fitting, so that each clamping block 6133 moves with the inner wall of the pipe fitting, thereby improving the clamping stability of the pipe fitting, the movable screw 6132 on the clamping block 6133 is threadedly connected with the screw barrel 6131, when the inner diameter of the pipe fitting is large, the movable screw 6132 is turned so that the movable screw 6132 is threadedly connected with the screw barrel 6131, thereby adjusting the distance between the clamping block 6133 and the rotating seat 603, so as to facilitate the clamping of pipe fittings with different inner diameters.

[0026] Working principle: When working, first place the pipe to be clamped between the two clamping plates 3, turn on the first motor 5, and rotate the double-headed screw 4. Since the two clamping plates 3 are respectively threadedly connected with the thread grooves in opposite directions on the double-headed screw 4, the two clamping plates 3 are driven to approach each other and contact the two ends of the pipe, so that the middle shaft 601 enters the interior of the pipe;

[0027] Then, the second motor 612 is turned on to rotate the adjusting screw 611. Since the adjusting screw 611 is threadedly connected to the movable plate 607, the movable plate 607 is driven to move toward the side of the clamping plate 3, so that the connecting plate 609 is pulled away from one end of the rotating sleeve 604 and moves toward the side of the middle shaft 601 through the connecting rod 610, driving the rotating sleeve 604 to rotate, thereby driving the clamping blocks 6133 to move toward the inner wall of the pipe fitting, so that the multiple clamping blocks 6133 are closely attached to the inner wall of the pipe fitting, thereby improving the fixing effect of the pipe fitting;

[0028] When the inner diameter of the pipe is large, since the movable screw 6132 is threadedly connected to the screw barrel 6131, the movable screw 6132 extends outward after the clamping block 6133 is turned, thereby adjusting the distance between the clamping block 6133 and the rotating seat 603, making it convenient to fit closely to the inner wall of the pipe.

Claims

1. A pipe clamping device for pipe processing, comprising a base (1), characterized in that: The top of the base (1) is provided with a slide groove (2), and two clamping plates (3) are symmetrically provided above the base (1). The bottom ends of the two clamping plates (3) are slidably installed inside the slide groove (2), and the sides of the two clamping plates (3) close to each other are installed with internal clamping components (6). A double-headed screw (4) is rotatably installed inside the slide groove (2), and the two clamping plates (3) are respectively threadedly connected to two thread grooves on the double-headed screw (4) with opposite directions. One end of the double-headed screw (4) is fixedly connected to the output shaft of the first motor (5), and the first motor (5) is fixedly installed on the base (1).

2. A pipe clamping device for pipe processing according to claim 1, characterized in that: The internal clamping assembly (6) comprises a middle shaft (601) fixedly mounted on the side of the two clamping plates (3) close to each other, an end block (602) is coaxially mounted on the end of the middle shaft (601) away from the clamping plates (3), the diameter of the end block (602) is larger than the diameter of the middle shaft (601), and a swivel seat (603) is mounted at an equal angle on the outer side of the end block (602).

3. A pipe clamping device for pipe processing according to claim 2, characterized in that: A rotating sleeve (604) is rotatably mounted on the rotating seat (603), a connecting plate (609) is mounted on a side of the rotating sleeve (604) close to the clamping plate (3), and a clamping member (613) is mounted on a side of the rotating sleeve (604) away from the clamping plate (3).

4. A pipe clamping device for pipe processing according to claim 3, characterized in that: The middle shaft (601) is provided with a movable groove (605) inside, and side grooves (606) are provided at equal angles on the outside of the movable groove (605), and the side grooves (606) correspond to the rotating seat (603) one by one. A movable plate (607) is movably installed inside the movable groove (605), and a side block (608) is installed at equal angles on the outside of the movable plate (607). The side block (608) is slidably installed inside the side groove (606), and a connecting rod (610) is provided on the diameter of the side block (608) and the connecting plate (609), and the two ends of the connecting rod (610) are respectively hinged to the end of the connecting plate (609) and the outer wall of the side block (608).

5. A pipe clamping device for pipe processing according to claim 4, characterized in that: An adjusting screw (611) is coaxially rotatably installed inside the movable groove (605), the adjusting screw (611) is threadedly connected to the movable plate (607), one end of the adjusting screw (611) is fixedly connected to the output shaft of the second motor (612), and the second motor (612) is fixedly installed on a side of the clamping plate (3) away from the middle axis (601).

6. The pipe clamping device for pipe processing according to claim 3, characterized in that: The clamping member (613) includes a screw barrel (6131) fixedly mounted on a side of the rotating sleeve (604) away from the connecting plate (609), a movable screw rod (6132) being mounted on the internal thread of the screw barrel (6131), and a clamping block (6133) being fixedly mounted on one end of the movable screw rod (6132) away from the rotating seat (603).

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