Auxiliary clamping device for lathe outer pipe

Abstract

An auxiliary clamping device for a lathe outer pipe relates to the technical field of clamping devices and comprises a scissor fork lift, a top plate is mounted at the top of the scissor fork lift, a transmission block is arranged in the middle of the bottom of a transverse plate and is screwed to a lead screw, a vertical plate is vertically mounted on one side of the transverse plate, and a first notch is formed in the rear end of the bottom of the vertical plate. A fixing seat is mounted at the first notch, an air cylinder is fixedly mounted on the lower surface of the fixing seat, an output shaft of the air cylinder penetrates through the fixing seat to be connected with a control block, a mounting groove is formed in the top of the control block, a pressing plate is arranged in the mounting groove, and a pressing wheel is rotationally mounted at the other end of the pressing plate; a support is installed at the top of the fine adjustment screw, and two transmission wheels are rotationally installed at the top of the support. According to the utility model, the pipeline is placed on the transmission wheel, so that the pipeline is supported, the problem that the pipeline swings during turning is solved, and the turning precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, in particular to an auxiliary clamping device for an outer tube of a lathe. Background Art

[0002] There are many existing steel pipes, most of which are used for liquid and gas pipelines, and the pipelines are all longer than 6 meters. When turning the stoppers or chamfers at both ends, the outer pipe will swing due to the long pipeline, affecting the turning accuracy. Utility Model Content

[0003] The utility model provides an auxiliary clamping device for an outer tube of a lathe.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A lathe outer tube auxiliary clamping device comprises a scissor fork lifter, a top plate is installed on the top of the scissor fork lifter, a fixed plate is installed in the middle of one side of the top plate, a lead screw is rotatably installed on the fixed plate, a crank is installed at one end of the lead screw, slide grooves are fixedly installed on both sides of the lead screw, a slider is slidably installed on each slide groove, the upper surface of the slider is fixedly installed with the cross plate, a transmission block is arranged at the middle position of the bottom of the cross plate, the transmission block is screwed on the lead screw, a vertical plate is vertically installed on one side of the cross plate, a first notch is opened at the rear end of the bottom of the vertical plate, and a second notch is opened at the front end of the top of the vertical plate The corner of the second notch is arc-shaped, a fixing seat is installed at the first notch, a cylinder is fixedly installed on the lower surface of the fixing seat, the output shaft of the cylinder passes through the fixing seat and is connected with the control block, a mounting groove is opened on the top of the control block, an auxiliary block is arranged in the mounting groove, a pressure plate is arranged in the mounting groove, a limiting groove is arranged at one end of the pressure plate, the auxiliary block is slidably installed in the limiting groove, a pressure wheel is rotatably installed on the other end of the pressure plate, a receiving block is arranged on one side of the side plate, a fine-tuning screw is installed on the receiving block, a bracket is installed on the top of the fine-tuning screw, and two transmission wheels are rotatably installed on the top of the bracket.

[0006] A further preferred solution of the utility model is as follows: a control groove is provided on the control block, a limit column is installed on the vertical plate, and the limit column is slidably installed in the control groove.

[0007] A further preferred solution of the utility model is that a V-shaped groove is arranged in the middle of the top of the bracket, and transmission wheels are rotatably installed on both sides of the V-shaped groove.

[0008] A further preferred solution of the utility model is that the pressure wheel cooperates with the two transmission wheels, and the pressure wheel is located in the middle position above the two transmission wheels.

[0009] A further preferred solution of the utility model is that the auxiliary block is rectangular, and the auxiliary block and the limiting groove cooperate with each other.

[0010] A further preferred solution of the utility model is that a movable groove is provided on the side plate, and the bracket is slidably installed in the movable groove.

[0011] The utility model has the following benefits:

[0012] 1. The utility model places the pipeline on the driving wheel to support the pipeline, thereby solving the problem of pipeline swinging during turning and improving the turning accuracy.

[0013] 2. The utility model uses a scissor fork lift to make up-and-down adjustments, and uses a crank to drive a lead screw to make left-and-right convenient adjustments, which can be used with pipelines of different lengths and widths, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a side view structural schematic diagram of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the vertical plate of the utility model;

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the bracket of the utility model;

[0019] Figure 6 It is a three-dimensional structural schematic diagram of the pressing plate of the utility model;

[0020] In the figure: 1-scissor fork lift, 2-top plate, 3-slide groove, 4-slider, 5-fixed plate, 6-crank handle, 7-horizontal plate, 8-vertical plate, 9-cylinder, 10-receiving block, 11-bracket, 12-transmission wheel, 13-pressure wheel, 14-fine-tuning screw, 15-control block, 16-limiting column, 17-control groove, 18-pressure plate, 19-first notch, 20-second notch, 21-V-groove, 22-limiting groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] according to Figure 1-6As shown, an auxiliary clamping device for an outer tube of a lathe comprises a scissor fork lifter 1, which is arranged so that the device can be adjusted in the up and down direction. A top plate 2 is installed on the top of the scissor fork lifter 1, a fixed plate 5 is installed in the middle of one side of the top plate 2, a lead screw is rotatably installed on the fixed plate 5, a crank 6 is installed at one end of the lead screw, slide grooves 3 are fixedly installed on both sides of the lead screw, a slider 4 is slidably installed on each slide groove 3, the upper surface of the slider 4 is fixedly installed with a cross plate 7, a transmission block is arranged at the middle position of the bottom of the cross plate 7, and the transmission block is screwed on the lead screw. This arrangement can control the entire device to be adjusted in the left and right directions, a vertical plate 8 is vertically installed on one side of the cross plate 7, and a first notch 19 is opened at the bottom rear end of the vertical plate 8. A second notch 20 is provided at the front end of the top of the vertical plate 8, and the corner of the second notch 20 is arc-shaped. A fixing seat is installed at the first notch 19, and a cylinder 9 is fixedly installed on the lower surface of the fixing seat. The output shaft of the cylinder 9 passes through the fixing seat and is connected with the control block 15. A mounting groove is provided at the top of the control block 15, and an auxiliary block is provided in the mounting groove. A pressure plate 18 is provided in the mounting groove, and a limiting groove 22 is provided at one end of the pressure plate 18. The auxiliary block is slidably installed in the limiting groove 22, and a pressure wheel 13 is rotatably installed at the other end of the pressure plate 18. A receiving block 10 is provided on one side of the side plate, and a fine-tuning screw 14 is installed on the receiving block 10. A bracket 11 is installed on the top of the fine-tuning screw 14, and two transmission wheels 12 are rotatably installed on the top of the bracket 11.

[0023] A control slot 17 is provided on the control block 15, and a limit column 16 is installed on the vertical plate 8. The limit column 16 is slidably installed in the control slot 17. This arrangement can play a certain limiting role and increase the stability of the device.

[0024] A V-shaped groove 21 is provided in the middle of the top of the bracket 11 , and driving wheels 12 are rotatably mounted on both sides of the V-shaped groove 21 .

[0025] The pressure wheel 13 cooperates with the two transmission wheels 12 , and the pressure wheel 13 is located in the middle position above the two transmission wheels 12 . This arrangement can increase stability and improve the reliability of the device.

[0026] The auxiliary block is rectangular, and the auxiliary block cooperates with the limiting groove 22 . Such an arrangement can play a certain limiting role on the pressing plate 18 .

[0027] A movable groove is provided on the side plate, and the bracket 11 is slidably installed in the movable groove. This arrangement can play a role of limiting. When the fine-tuning screw 14 is controlled, the bracket 11 slides in the movable groove to increase or decrease the height of the bracket 11.

[0028] Working principle: Fix the fixture at the appropriate position at the rear end of the lathe, connect the air supply line to the cylinder 9, check whether the cylinder 9 can be extended and retracted freely, take the outer tube of the workpiece, pass it through the three-jaw chuck of the lathe, pass the tail end through the tooling, and place it on the two transmission wheels 12, use the fine-tuning screw 14 to make the height of the bracket 11 appropriate, control the movement of the cylinder 9, so that the pressure wheel 13 of the pressure plate 18 clamps the workpiece to operate the lathe, and perform turning processing until the workpiece is completed. After the processing is completed, press the operating handle of the cylinder 9 to operate the cylinder 9 to extend it, release the workpiece fixture, and at the same time, the three-jaw chuck of the lathe is also released to take out the workpiece.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An auxiliary clamping device for an outer tube of a lathe, characterized in that: The scissor fork lift (1) comprises a top plate (2) installed on the top of the scissor fork lift (1), a fixed plate (5) installed in the middle of one side of the top plate (2), a lead screw rotatably installed on the fixed plate (5), a crank (6) installed at one end of the lead screw, slide grooves (3) fixedly installed on both sides of the lead screw, a slider (4) slidably installed on each slide groove (3), the upper surface of the slider (4) is fixedly installed with a horizontal plate (7), a transmission block is arranged at the middle position of the bottom of the horizontal plate (7), the transmission block is screwed on the lead screw, a vertical plate (8) is vertically installed on one side of the horizontal plate (7), a first notch (19) is opened at the bottom rear end of the vertical plate (8), a second notch (20) is opened at the top front end of the vertical plate (8), and a corner of the second notch (20) is provided. The invention is arc-shaped, a fixing seat is installed at the first notch (19), a cylinder (9) is fixedly installed on the lower surface of the fixing seat, an output shaft of the cylinder (9) passes through the fixing seat and is connected to the control block (15), a mounting groove is opened on the top of the control block (15), an auxiliary block is arranged in the mounting groove, a pressing plate (18) is arranged in the mounting groove, a limiting groove (22) is arranged at one end of the pressing plate (18), the auxiliary block is slidably installed in the limiting groove (22), a pressing wheel (13) is rotatably installed at the other end of the pressing plate (18), a receiving block (10) is arranged on one side of the side plate, a fine-tuning screw (14) is installed on the receiving block (10), a bracket (11) is installed on the top of the fine-tuning screw (14), and two transmission wheels (12) are rotatably installed on the top of the bracket (11).

2. The lathe outer tube auxiliary clamping device according to claim 1, characterized in that: A control groove (17) is provided on the control block (15), a limit column (16) is installed on the vertical plate (8), and the limit column (16) is slidably installed in the control groove (17).

3. The lathe outer tube auxiliary clamping device according to claim 1, characterized in that: A V-shaped groove (21) is arranged at the middle position of the top of the bracket (11), and driving wheels (12) are rotatably mounted on both sides of the V-shaped groove (21).

4. The lathe outer tube auxiliary clamping device according to claim 1, characterized in that: The pressing wheel (13) cooperates with the two transmission wheels (12), and the pressing wheel (13) is located at a middle position above the two transmission wheels (12).

5. The lathe outer tube auxiliary clamping device according to claim 1, characterized in that: The auxiliary block is rectangular, and the auxiliary block and the limiting groove (22) cooperate with each other.

6. The lathe outer tube auxiliary clamping device according to claim 1, characterized in that: A moving groove is provided on the side plate, and the bracket (11) is slidably installed in the moving groove.

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