Positioning clamp for iron pipe machining

Abstract

The utility model belongs to the technical field of iron pipe machining, and particularly relates to a positioning clamp for iron pipe machining, which comprises a device body, a supporting column arranged on the top of the inner side of the device body, an assembly body fixed on the top of the supporting column, two symmetrical clamping blocks arranged in the assembly body, and a driving mechanism arranged in the assembly body. The driving mechanism is used for driving the two clamping blocks to move in the opposite directions, an adjusting mechanism is installed in the device body and used for adjusting the position of the supporting column, the driving mechanism comprises two bidirectional screws rotationally connected to the interior of the assembly body, and the two ends of the two bidirectional screws are opposite in thread rotating direction. The two clamping blocks are in threaded connection to the outer sides of the two ends of the two bidirectional screws correspondingly, and first transmission belts are installed on the outer sides of the two bidirectional screws. According to the utility model, the iron pipe can be adjusted in real time during processing, so that the tedious steps of dismounting the clamp and readjusting the clamping position after one end is processed are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to iron pipe processing technical field, concretely relates to a positioning fixture for iron pipe processing. BACKGROUND

[0002] In the modern mechanical processing field, the processing of iron pipes is a common requirement, especially in construction, pipeline engineering and manufacturing industry, in order to ensure the processing precision and efficiency, the use of fixture becomes crucial, the fixture is a kind of tool for fixing, positioning and supporting workpiece, it can help operator to complete the processing task quickly and accurately, however, in the existing iron pipe processing fixture technology, there are some limitations and deficiencies;

[0003] The existing iron pipe processing fixture is usually designed as fixed type, which means that once the iron pipe is clamped, its position is fixed, when processing the two ends of the iron pipe, the operator needs to process one end first, then takes out the iron pipe from the fixture, adjusts the position and clamps again to process the other end, this operation not only consumes time, but also increases the complexity of operation, is easy to cause processing error, and affects processing efficiency and precision;

[0004] The traditional iron pipe processing fixture includes a set of fixed clamping devices, these devices fix the iron pipe through bolts, nuts and washers etc. fasteners, in the processing process, if the other end of the iron pipe needs to be processed, the operator must manually loosen the fasteners, take out the iron pipe from the fixture, then readjust the position of the iron pipe, and fasten the clamping device again, this process not only reduces production efficiency, but also in the repeated process of disassembling and assembling, the position of the iron pipe may be offset, leading to inconsistent processing size, and affecting the quality of the final product;

[0005] Therefore, in view of the deficiencies of the prior art, the utility model provides an improved positioning fixture for iron pipe processing. UTILITY MODEL CONTENTS

[0006] The utility model discloses a positioning fixture for iron pipe processing can realize the real-time adjustment of iron pipe when processing, thereby avoiding the cumbersome step of removing the fixture and readjusting the clamping position after processing one end.

[0007] The technical scheme adopted by the utility model is as follows:

[0008] A positioning fixture for iron pipe processing, including device body, the top of the inner side of device body is installed with support column, the top of support column is fixed with assembly body, the inside of assembly body is installed with two mutually symmetrical clamping blocks, the inside of assembly body is also installed with driving mechanism, the driving mechanism is used for driving two clamping blocks to move towards opposite directions;

[0009] The device body is internally provided with an adjusting mechanism for adjusting the position of the supporting column.

[0010] The driving mechanism comprises two bidirectional screws rotatably connected inside the assembly body, the two bidirectional screws are oppositely threaded at the two ends, and two clamping blocks are respectively threaded at the outer sides of the two ends of the two bidirectional screws.

[0011] The outer sides of the two bidirectional screws are provided with a first transmission belt, when one of the bidirectional screws rotates, the other bidirectional screw is driven to rotate through the first transmission belt.

[0012] The outer side of the assembly body is further provided with a first motor, and the output end of the first motor penetrates through the assembly body and is connected with the end of one of the bidirectional screws.

[0013] The middle part of the two clamping blocks is provided with a guide rotating mechanism for driving the iron pipe to rotate.

[0014] The guide rotating mechanism comprises a rotating column rotatably connected inside the clamping block, the outer wall of the side close to the other clamping block is exposed outside the clamping block, the middle part of the rotating column is provided with a mounting groove, a driven gear is mounted inside the mounting groove, a driving gear is engagedly connected to one side of the driven gear and inside the clamping block, a fourth motor is mounted in the clamping block, and the output end of the fourth motor is connected with the center position of the driving gear.

[0015] The adjusting mechanism comprises a first mounting frame and a second mounting frame, the first mounting frame is located at the upper part of the second mounting frame.

[0016] The first mounting frame comprises two first threaded rods rotatably connected inside the device body, a second transmission belt is mounted between the ends of the two first threaded rods and outside the device body, a first truss is threaded between the two first threaded rods, a second motor is mounted outside the device body, and the output end of the second motor penetrates through the device body and is connected with one of the first threaded rods.

[0017] The second mounting frame comprises two second threaded rods rotatably connected inside the device body, a third guide belt is mounted between the ends of the two second threaded rods and outside the device body, a second truss is threaded between the two second threaded rods, a third motor is mounted outside the device body, and the output end of the third motor penetrates through the device body and is connected with one of the second threaded rods.

[0018] The supporting column is slidably connected with the first truss and the second truss.

[0019] The bottom of the support column is provided with a bottom sheet, and the bottom of the bottom sheet is uniformly provided with balls, which abut against the device body.

[0020] The diameter of the rotating column is greater than the diameter of the driven gear.

[0021] The technical effects achieved by the utility model are as follows:

[0022] The utility model discloses a real-time adjustment to iron pipe during processing, thereby avoiding the cumbersome steps of removing the clamp and readjusting the clamping position after processing one end, and further significantly improving the efficiency and precision of iron pipe processing, reducing the labor intensity of operators, and guaranteeing the processing quality. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model discloses a structure schematic diagram;

[0024] Figure 2 The utility model discloses a structure schematic diagram among assembly, bidirectional screw rod and clamping block in the utility model;

[0025] Figure 3 The utility model discloses a structure schematic diagram among first threaded rod, second truss and second transmission belt;

[0026] Figure 4 The utility model discloses a structure schematic diagram among driven gear, driving gear and rotating column.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] 1, device body;2, support column;3, assembly;4, bidirectional screw rod;5, clamping block;6, first transmission belt;7, first motor;8, first threaded rod;9, second transmission belt;10, second motor;11, second threaded rod;12, third guide belt;13, first truss;14, second truss;15, third motor;16, bottom sheet;17, rotating column;18, driven gear;19, mounting groove;20, driving gear;21, fourth motor. DETAILED DESCRIPTION

[0029] In order to make the purpose and the advantage of the utility model more clear and obvious, the following will be specifically explained to the utility model with examples. It should be understood that the following text is only used to describe one or several specific implementation manners of the utility model, and does not strictly limit the protection range of the utility model.

[0030] For example, Figures 1-4As shown, a positioning clamp for iron pipe machining, including device body 1, the top of the inner side of device body 1 is provided with support column 2, further, the bottom of support column 2 is provided with bottom sheet 16, and the bottom of bottom sheet 16 is uniformly provided with ball, and the ball is in abutment with device body 1, when support column 2 moves, the ball provided at the bottom of bottom sheet 16 can slide with device body 1, both through bottom sheet 16 to bear the weight of support column 2 and the equipment on the top of support column 2, and through the setting of ball, the resistance of support column 2 moving is reduced, the top of support column 2 is fixedly provided with assembly body 3, two symmetrical clamping blocks 5 are installed in assembly body 3, the workpiece iron pipe is clamped by moving two clamping blocks 5, and a driving mechanism is further installed in assembly body 3, the driving mechanism is used for driving two clamping blocks 5 to move towards opposite directions;

[0031] Through the driving of the driving mechanism, two clamping blocks 5 are driven to move towards each other, so as to clamp the iron pipe;

[0032] Refer to the attached Figure 2 The driving mechanism includes two bidirectional screws 4 rotatably connected in the assembly body 3, and the thread directions of the two ends of the two bidirectional screws 4 are opposite, the thread directions of the same end of the two bidirectional screws 4 are same, and the two clamping blocks 5 are threadedly connected to the outer sides of the two ends of the two bidirectional screws 4;

[0033] The outer sides of the two bidirectional screws 4 are provided with first transmission belt 6, further, the ends of the two bidirectional screws 4 are provided with a transmission shaft, the first transmission belt 6 is installed through the transmission shaft, and when one of the two bidirectional screws 4 rotates, the other bidirectional screw 4 is caused to rotate through the transmission of the first transmission belt 6;

[0034] The outer side of assembly body 3 is further provided with first motor 7, the output end of first motor 7 penetrates through assembly body 3 and is connected with the end of one of the two bidirectional screws 4;

[0035] When the first motor 7 drives, one of the two bidirectional screws 4 is driven to rotate, and the other bidirectional screw 4 is driven to rotate synchronously through the transmission of the first transmission belt 6, and then the two clamping blocks 5 are driven to move towards each other, and the clamping of the iron pipe is completed;

[0036] The middle part of the two clamping blocks 5 is provided with a guide rotating mechanism, and the guide rotating mechanism is used for driving the iron pipe to rotate.

[0037] Refer to the attached Figure 4The guiding rotating mechanism comprises a rotating column 17 rotatably connected in the inner part of the clamping block 5, and the rotating column 17 is exposed outside the clamping block 5 at the side close to the other clamping block 5. Through the arrangement, the rotating column 17 is in contact with the iron pipe, and the exposed part is small, so that the first motor 7 can be in contact with and clamp the iron pipe without causing the first motor 7 to bear more force. A mounting groove 19 is arranged in the middle part of the rotating column 17, and a driven gear 18 is mounted in the mounting groove 19. Further, the diameter of the rotating column 17 is larger than that of the driven gear 18. Through the arrangement, the rotating column 17 can be in contact with the iron pipe, and the driven gear 18 is avoided from being in contact with the iron pipe, so that the jamming phenomenon is avoided. A driving gear 20 is engagedly connected to one side of the driven gear 18 and located in the inner part of the clamping block 5. A fourth motor 21 is mounted in the clamping block 5, and the output end of the fourth motor 21 is connected to the central position of the driving gear 20.

[0038] When the fourth motor 21 is started, the driving gear 20 is driven to rotate, and the driving gear 20 drives the driven gear 18 and the rotating column 17 to rotate through the engagement connection between the driving gear 20 and the driven gear 18, so that the rotating column 17 can drive the iron pipe to rotate, thereby ensuring that the iron pipe is more convenient to operate in the subsequent processing such as welding.

[0039] The device body 1 is provided with an adjusting mechanism for adjusting the position of the supporting column 2.

[0040] Referring to the drawings Figure 3 The adjusting mechanism comprises a first mounting frame and a second mounting frame, and the first mounting frame is located at the upper part of the second mounting frame.

[0041] The first mounting frame comprises two first threaded rods 8 rotatably connected in the inner part of the device body 1. The screw rotation directions of the two first threaded rods 8 are the same. A second transmission belt 9 is mounted between the end parts of the two first threaded rods 8 and located at the outer side of the device body 1. Further, a transmission shaft is arranged at the end part of each of the two first threaded rods 8, and the second transmission belt 9 is mounted through the transmission shaft. Thus, when one of the first threaded rods 8 rotates, the other first threaded rod 8 is driven to rotate through the transmission of the second transmission belt 9. A first truss 13 is threadedly connected between the two first threaded rods 8. A second motor 10 is mounted at the outer side of the device body 1, and the output end of the second motor 10 penetrates through the device body 1 and is connected to one of the first threaded rods 8.

[0042] When the second motor 10 is driven, one of the first threaded rods 8 is driven to rotate, and the other first threaded rod 8 is driven to rotate through the guidance of the second transmission belt 9, so that the two first threaded rods 8 can rotate synchronously. The first truss 13 can be driven to move forward and backward through the thread connection between the first truss 13 and the two first threaded rods 8.

[0043] The second mounting frame comprises two second threaded rods 11 rotatably connected inside the device body 1, a third guide belt 12 is mounted between the ends of the two second threaded rods 11 and outside the device body 1, as described above, the ends of the two second threaded rods 11 are also provided with a transmission shaft, through which the second threaded rods 11 are installed, so that when one of the second threaded rods 11 rotates, the other second threaded rod 11 is driven to rotate through the transmission of the third guide belt 12, and a second truss 14 is threadedly connected between the two second threaded rods 11, a third motor 15 is mounted outside the device body 1, and the output end of the third motor 15 penetrates the device body 1 and is connected with one of the second threaded rods 11;

[0044] When the third motor 15 is driven, one of the second threaded rods 11 is driven to rotate, and the other second threaded rod 11 is driven to rotate through the guidance of the third guide belt 12, so that the two second threaded rods 11 can rotate synchronously, and the second truss 14 can be driven to move left and right through the threaded connection between the second truss 14 and the two second threaded rods 11.

[0045] The support column 2 is slidably connected with the first truss 13 and the second truss 14.

[0046] Through this arrangement, when the support column 2 is driven to move horizontally by the first truss 13, the support column 2 is slidably connected with the second truss 14, and when the support column 2 is driven to move vertically by the second truss 14, the support column 2 is slidably connected with the first truss 13, so that the support column 2 can drive the assembly 3 to move to any position on the device body 1, thereby driving the position of the iron pipe to be adjusted, and when the iron pipe is cut or welded, the iron pipe is driven to move through the movement of the support column 2 and the assembly 3, so as to ensure the accuracy of the cutting or welding position.

[0047] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the art, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application. Structures, devices and operation methods not specifically described and explained in the present application are implemented according to conventional means in the art, unless otherwise specified and limited.

Claims

1. A positioning jig for iron pipe processing, comprising a device body (1), characterized in that: The top of the device body (1) is internally provided with a supporting column (2), the top of the supporting column (2) is fixedly provided with an assembling body (3), the inside of the assembling body (3) is internally provided with two mutually symmetrical clamping blocks (5), and the inside of the assembling body (3) is also internally provided with a driving mechanism for driving the two clamping blocks (5) to move towards opposite directions. The device body (1) is internally provided with an adjusting mechanism for adjusting the position of the supporting column (2). The adjusting mechanism comprises a first mounting frame and a second mounting frame, and the first mounting frame is located at the upper portion of the second mounting frame. The first mounting frame comprises two first threaded rods (8) rotatably connected to the inside of the device body (1), a second transmission belt (9) is arranged between the ends of the two first threaded rods (8) and at the outside of the device body (1), a first truss (13) is threadedly connected between the two first threaded rods (8), a second motor (10) is arranged at the outside of the device body (1), and the output end of the second motor (10) penetrates through the device body (1) and is connected with one of the first threaded rods (8). The second mounting frame comprises two second threaded rods (11) rotatably connected to the inside of the device body (1), a third guide belt (12) is arranged between the ends of the two second threaded rods (11) and at the outside of the device body (1), a second truss (14) is threadedly connected between the two second threaded rods (11), a third motor (15) is arranged at the outside of the device body (1), and the output end of the third motor (15) penetrates through the device body (1) and is connected with one of the second threaded rods (11). The supporting column (2) is slidably connected with the first truss (13) and the second truss (14).

2. The positioning jig for iron pipe machining according to claim 1, characterized by: The driving mechanism comprises two bidirectional screw rods (4) rotatably connected to the inside of the assembling body (3), the screw rotation directions of the two ends of the two bidirectional screw rods (4) are opposite, and the two clamping blocks (5) are threadedly connected to the outside of the two ends of the two bidirectional screw rods (4) respectively. A first transmission belt (6) is arranged at the outside of the two bidirectional screw rods (4), when one of the bidirectional screw rods (4) rotates, the other bidirectional screw rod (4) is caused to rotate through the transmission of the first transmission belt (6). A first motor (7) is further arranged at the outside of the assembling body (3), and the output end of the first motor (7) penetrates through the assembling body (3) and is connected with the end of one of the bidirectional screw rods (4). Guiding rotation mechanisms are arranged at the middle portions of the two clamping blocks (5), and the guiding rotation mechanisms are used for driving the iron pipe to rotate.

3. The positioning jig for iron pipe machining according to claim 2, characterized by: The guiding rotating mechanism comprises a rotating column (17) rotatably connected inside the clamping block (5), the rotating column (17) is exposed outside the clamping block (5) near the outer wall of one side of the clamping block (5), a mounting groove (19) is arranged in the middle of the rotating column (17), a driven gear (18) is mounted in the mounting groove (19), a driving gear (20) is engagedly connected to one side of the driven gear (18) and located inside the clamping block (5), a fourth motor (21) is mounted in the clamping block (5), and the output end of the fourth motor (21) is connected to the central position of the driving gear (20).

4. The positioning jig for iron pipe machining according to claim 1, characterized by: The bottom of the supporting column (2) is provided with a bottom sheet (16), and the bottom of the bottom sheet (16) is uniformly provided with balls, and the balls abut against the device body (1).

5. The positioning jig for processing of iron pipe according to claim 3, characterized in that: The diameter of the rotating column (17) is greater than the diameter of the driven gear (18).

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