Inlet pipe center positioning device of numerical control pipe threading lathe

Abstract

The utility model discloses a numerical control pipe threading lathe inlet pipe center positioning device, and particularly relates to the technical field of numerical control pipe machining equipment, the numerical control pipe threading lathe inlet pipe center positioning device comprises a positioning frame, two first sliding rails are fixedly installed in the positioning frame, and the outer surfaces of the two first sliding rails are both movably connected with two first sliding blocks; and two supporting plates are fixedly mounted on the top surfaces of the four first sliding blocks correspondingly. According to the inlet pipe center positioning device of the numerical control pipe threading lathe, in actual work, the air cylinder pushes the driving blocks to enable the driving blocks to move along the sliding rods, the two driving arms can push the two supporting plates to move in the opposite directions so as to adjust the distance between the two positioning blocks, the first motor drives the rotating plate to rotate, and therefore the distance between the two positioning blocks can be adjusted. When the numerical control pipe is positioned, the two anti-skid pieces make contact with the numerical control pipe so as to clamp and position the numerical control pipe, the two positioning blocks can support the two sides of the numerical control pipe when the numerical control pipe is positioned, and therefore the situation that the positioning effect is affected due to the unbalanced gravity center can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control pipe processing equipment, in particular to a pipe feeding center positioning device for a numerical control pipe threading lathe. Background Technique

[0002] The numerical control pipe threading lathe is specially designed to meet the needs of departments such as oil fields, geology, mining, chemical industry and agricultural drainage and irrigation in our country. Using a numerical control pipe threading lathe is more economical and convenient than an ordinary lathe, and can efficiently complete the cutting processing of various straight pipe threads and taper pipe threads. When the numerical control pipe threading lathe is working, positioning equipment is needed to accurately position the numerical control pipe.

[0003] After retrieval, for example, the utility model with the application number 202021688797.6 discloses a pipe feeding center positioning device for a numerical control pipe threading lathe, including a bottom plate and a main body. The main body is arranged on the upper side of the bottom plate, and a rotating wheel is rotatably arranged at the lower part of the main body. The main body is rotatably arranged on the upper side of the bottom plate through the rotating wheel. When positioning the numerical control pipe, this utility model can only clamp and position one side of the numerical control pipe. When the middle part of the numerical control pipe is not accurately clamped, it is easy to cause the center of gravity of the numerical control pipe to be unbalanced, thereby affecting the positioning effect. Therefore, in order to solve the above defects, the utility model proposes a pipe feeding center positioning device for a numerical control pipe threading lathe. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a pipe feeding center positioning device for a numerical control pipe threading lathe, which can effectively solve the problem that when the middle part of the numerical control pipe is not accurately clamped in the prior art, the center of gravity of the numerical control pipe is unbalanced, thus affecting the positioning effect.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A pipe feeding center positioning device for a numerical control pipe threading lathe, including a positioning frame. Two first slide rails are fixedly installed inside the positioning frame. Two first sliders are movably connected to the outer surfaces of the two first slide rails. Two support plates are respectively fixedly installed on the top surfaces of the four first sliders. Two slide rods are fixedly installed inside the positioning frame, and the two slide rods are located above the first slide rails. A driving block is movably connected to the outer surfaces of the two slide rods together. A cylinder is fixedly installed on one side inside the positioning frame, and the output end of the cylinder is fixedly connected to the driving block. Two driving arms are movably installed on both sides of the bottom surface of the driving block, and the two driving arms are respectively movably connected to the two support plates;

[0007] On the top surfaces of both of the said support plates, positioning blocks for positioning the numerical control pipe are fixedly installed. On both sides of each positioning block, sliding grooves are provided. Inside the two sliding grooves, two second sliders are jointly movably connected. On one side of each of the two second sliders, a connecting arm is movably installed. On one side of the support plate, a rotating plate is movably installed, and both connecting arms are movably connected to the rotating plate. On the top surfaces of both of the said support plates, fixed blocks are fixedly installed.

[0008] Preferably, on one side of the outer surface of the positioning frame, a mounting plate is fixedly installed. On one side of the mounting plate, four second slide rails are fixedly installed. On the outer surfaces of the four second slide rails, third sliders are movably connected. On one side of each of the four third sliders, a fixed rod is fixedly installed, and on the other side of each of the four third sliders, a fixed arm is fixedly installed. On the side of the mounting plate where the second slide rails are located, an adjusting plate is movably installed, and on one side of the adjusting plate, four adjusting holes are provided. The four fixed rods are respectively movably connected to the four adjusting holes.

[0009] Preferably, on one side of the positioning frame, a second motor is fixedly installed, and the output end of the second motor is fixedly connected to the adjusting plate.

[0010] Preferably, on one side of the positioning block, a first motor is fixedly installed, and the output end of the first motor is fixedly connected to the rotating plate.

[0011] Preferably, on one side of the fixed block, an anti-slip sheet is fixedly installed. On one side of the anti-slip sheet, two mounting holes are provided. On one side of the fixed block, two connecting holes are provided.

[0012] Preferably, one side of the anti-slip sheet is arc-shaped, and on the arc-shaped side of the anti-slip sheet, a rubber patch is provided.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] The present utility model discloses a feeding pipe center positioning device for a numerical control pipe threading lathe. By setting the positioning frame, during actual work, the air cylinder pushes the driving block to move along the sliding rod, and the two driving arms can push the two support plates to move in opposite directions to adjust the distance between the two positioning blocks. The first motor drives the rotating plate to rotate, and the two anti-slip sheets will contact the numerical control pipe to clamp and position it. When the two positioning blocks position the numerical control pipe, they can support both sides of the numerical control pipe, thereby effectively avoiding the influence on the positioning effect due to unbalanced center of gravity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structural schematic diagram of the present utility model;

[0016] Figure 2 is the top view structural schematic diagram of the positioning frame of the present utility model;

[0017] Figure 3 Schematic diagram of the positioning block structure of the present utility model;

[0018] Figure 4 Schematic diagram of the mounting plate structure of the present utility model;

[0019] Figure 5 Schematic diagram of the fixing block structure of the present utility model.

[0020] In the figure: 1, positioning frame; 2, mounting plate; 3, positioning block; 4, first motor; 5, second motor; 101, first slide rail; 102, first slider; 103, support plate; 104, slide bar; 105, cylinder; 106, driving block; 107, driving arm; 301, chute; 302, second slider; 303, fixing block; 304, connecting arm; 305, rotating plate; 201, second slide rail; 202, third slider; 203, fixing rod; 204, fixing arm; 205, adjusting plate; 206, adjusting hole; 3031, anti-slip sheet; 3032, mounting hole; 3033, connecting hole. Specific embodiments

[0021] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] The present utility model discloses a pipe inlet center positioning device for a numerical control pipe threading lathe, as Figures 1 - 5 shown, which includes a positioning frame 1. Two first slide rails 101 are fixedly installed inside the positioning frame 1. The outer surfaces of the two first slide rails 101 are both movably connected with two first sliders 102. The top surfaces of the four first sliders 102 are respectively fixedly installed with two support plates 103. The first slider 102 can move along the first slide rail 101. When the first slider 102 moves, the support plate 103 can be driven to move.

[0023] Two slide bars 104 are fixedly installed inside the positioning frame 1, and the two slide bars 104 are located above the first slide rails 101. The outer surfaces of the two slide bars 104 are jointly movably connected with a driving block 106. A cylinder 105 is fixedly installed on one side inside the positioning frame 1, and the output end of the cylinder 105 is fixedly connected with the driving block 106. Both sides of the bottom surface of the driving block 106 are movably installed with driving arms 107, and the two driving arms 107 are respectively movably connected with the two support plates 103. When the cylinder 105 pushes the driving block 106 to move along the two slide bars 104, the two driving arms 107 can push the distance between the two support plates 103 to be adjusted, so as to be able to position numerical control pipes of different lengths.

[0024] On the top surfaces of both supporting plates 103, positioning blocks 3 for positioning the numerical control pipe are fixedly installed. On both sides of the positioning block 3, sliding grooves 301 are formed. Inside the two sliding grooves 301, two second sliders 302 are jointly movably connected, and the second sliders 302 can move along the sliding grooves 301.

[0025] On one side of each of the two second sliders 302, a connecting arm 304 is movably installed. On one side of the supporting plate 103, a rotating plate 305 is movably installed, and the two connecting arms 304 are both movably connected to the rotating plate 305. On the top surfaces of both supporting plates 103, fixing blocks 303 are fixedly installed. When the rotating plate 305 rotates, the two connecting arms 304 can drive the two second sliders 302 to move in opposite directions along the sliding grooves 301. On one side of the positioning block 3, a first motor 4 is fixedly installed, and the output end of the first motor 4 is fixedly connected to the rotating plate 305.

[0026] On one side of the outer surface of the positioning frame 1, a mounting plate 2 is fixedly installed. On one side of the mounting plate 2, four second slide rails 201 are fixedly installed, and the four second slide rails 201 are distributed in a cross shape. On the outer surfaces of the four second slide rails 201, third sliders 202 are movably connected, and the third sliders 202 can move along the second slide rails 201.

[0027] On one side of each of the four third sliders 202, a fixing rod 203 is fixedly installed, and on the other side of each of the four third sliders 202, a fixing arm 204 is fixedly installed. On one side of the mounting plate 2 where the second slide rails 201 are located, an adjusting plate 205 is movably installed, and on one side of the adjusting plate 205, four adjusting holes 206 are formed. The four fixing rods 203 are respectively movably connected to the four adjusting holes 206. When the adjusting plate 205 rotates, the four third sliders 202 can move along the four second slide rails 201, and then the fixing arms 204 can clamp and position the numerical control pipe. On one side of the positioning frame 1, a second motor 5 is fixedly installed, and the output end of the second motor 5 is fixedly connected to the adjusting plate 205.

[0028] On one side of the fixing block 303, an anti-slip sheet 3031 is fixedly installed. On one side of the anti-slip sheet 3031, two mounting holes 3032 are formed. On one side of the fixing block 303, two connecting holes 3033 are formed. By inserting bolts into the coincident mounting holes 3032 and connecting holes 3033, the fixing block 303 and the anti-slip sheet 3031 can be connected.

[0029] One side of the anti-slip sheet 3031 is arc-shaped, which can better fit the outer surface of the numerical control pipe, and a rubber patch is provided on the arc-shaped side of the anti-slip sheet 3031.

[0030] The working principle of the present utility model is as follows: First, according to the length of the numerical control tube, the air cylinder 105 is started. When the air cylinder 105 pushes the driving block 106 to move along the two slide bars 104, the two driving arms 107 can push to adjust the distance between the two support plates 103, so as to adjust the distance between the two positioning blocks 3. Then, the numerical control tube is placed on the top surfaces of the two positioning blocks 3, and one end of it is located between the four fixing arms 204. Then, the second motor 5 is started to drive the adjusting plate 205 to rotate. When the adjusting plate 205 rotates, the four third sliders 202 can move along the four second slide rails 201. Further, the fixing arms 204 can clamp and position one end of the numerical control tube, and the two first motors 4 are started to drive the rotating plate 305 to rotate. When the rotating plate 305 rotates, the two connecting arms 304 can drive the two second sliders 302 to move in opposite directions along the chute 301, so as to clamp and position the numerical control tube.

[0031] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. CNC pipe thread lathe inlet pipe center positioning device, including a positioning frame (1), characterized in that: Inside the positioning frame (1), two first sliding rails (101) are fixedly installed. On the outer surfaces of the two first sliding rails (101), two first sliders (102) are movably connected respectively. On the top surfaces of the four first sliders (102), two support plates (103) are fixedly installed respectively. Inside the positioning frame (1), two sliding rods (104) are fixedly installed, and the two sliding rods (104) are located above the first sliding rails (101). A driving block (106) is movably connected to the outer surfaces of the two sliding rods (104) together. On one side inside the positioning frame (1), a cylinder (105) is fixedly installed, and the output end of the cylinder (105) is fixedly connected to the driving block (106). On both sides of the bottom surface of the driving block (106), driving arms (107) are movably installed respectively, and the two driving arms (107) are movably connected to the two support plates (103) respectively; On the top surfaces of the two support plates (103), positioning blocks (3) for positioning the numerical control pipe are fixedly installed. On both sides of the positioning blocks (3), chute grooves (301) are opened. Two second sliders (302) are movably connected to the inside of the two chute grooves (301) together. On one side of each of the two second sliders (302), a connecting arm (304) is movably installed. On one side of the support plate (103), a rotating plate (305) is movably installed, and the two connecting arms (304) are movably connected to the rotating plate (305). On the top surfaces of the two support plates (103), fixing blocks (303) are fixedly installed.

2. The tube feeding center positioning device of the numerically controlled pipe threading lathe according to claim 1, characterized in that: On one side of the outer surface of the positioning frame (1), a mounting plate (2) is fixedly installed. On one side of the mounting plate (2), four second sliding rails (201) are fixedly installed. On the outer surfaces of the four second sliding rails (201), third sliders (202) are movably connected respectively. On one side of each of the four third sliders (202), a fixing rod (203) is fixedly installed, and on the other side of the four third sliders (202), fixing arms (204) are fixedly installed. On one side of the mounting plate (2) where the second sliding rails (201) are located, an adjusting plate (205) is movably installed, and on one side of the adjusting plate (205), four adjusting holes (206) are opened. The four fixing rods (203) are movably connected to the four adjusting holes (206) respectively.

3. The tube feeding center positioning device for a numerically controlled pipe threading lathe according to claim 1, characterized in that: On one side of the positioning frame (1), a second motor (5) is fixedly installed, and the output end of the second motor (5) is fixedly connected to the adjusting plate (205).

4. The tube feeding center positioning device for a numerically controlled pipe threading lathe according to claim 1, characterized in that: On one side of the positioning block (3), a first motor (4) is fixedly installed, and the output end of the first motor (4) is fixedly connected to the rotating plate (305).

5. The tube feeding center positioning device of the numerically controlled pipe thread lathe according to claim 1, characterized in that: On one side of the fixing block (303), an anti-slip sheet (3031) is fixedly installed. On one side of the anti-slip sheet (3031), two mounting holes (3032) are opened. On one side of the fixing block (303), two connecting holes (3033) are opened.

6. The tube feeding center positioning device of the numerically controlled pipe threading lathe according to claim 5, characterized in that: One side of the anti-slip sheet (3031) is arc-shaped, and on the arc-shaped side of the anti-slip sheet (3031), a rubber patch is provided.

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