Rapid clamping and positioning mechanism for linear cutting machining of pipes

Abstract

The utility model discloses a quick clamping and positioning mechanism for a linear cutting processing pipe, which comprises a base, two linear slide rails, a slide block, an L-shaped seat, a cylinder seat, a telescopic cylinder, a slide sleeve, a first square shaft and a positioning support sleeve, the two linear slide rails are symmetrical and fixedly arranged on two sides of the base, the slide block is slidably arranged on the linear slide rails, the L-shaped seat is fixedly arranged on the slide block, and the cylinder seat is fixedly arranged on the positioning support sleeve. The two air cylinder seats are symmetrically and fixedly installed on the base. According to the positioning mechanism, after a pipe is placed on the supporting plate of the positioning supporting sleeve to be pre-positioned, the pipe can be rapidly clamped and positioned by starting the two telescopic air cylinders, and the situation that the pipe is extruded and damaged due to the fact that the stroke of the two telescopic air cylinders is too large can be avoided through allowance buffering operation of the spring; in addition, the relative position of the first square shaft and the sliding sleeve can be adjusted by unscrewing a limiting bolt, the use requirement for rapid clamping and positioning of pipes of various lengths and sizes can be met, and the pipe clamping and positioning device has the advantages of being capable of being operated by one person, high in positioning precision and high in positioning speed.

Description

Technical Field

[0001] The utility model belongs to the technical field of wire cutting processing, and in particular relates to a quick clamping and positioning mechanism for wire cutting processing pipes. Background Art

[0002] Wire cutting is a processing method that uses a moving metal wire (molybdenum wire, copper wire or alloy wire) as an electrode wire, and relies on pulsed electric spark discharge between the electrode wire and the workpiece to generate high temperature to melt or vaporize the metal, forming a slit, thereby cutting out parts. The same-size sleeve positioning method is adopted, that is, the inner diameter of the sleeve is 0.1-0.2mm larger than the outer diameter of the pipe. It has the advantage of precise center positioning and can improve the wire cutting processing accuracy of the pipe. However, the pipe is not easy to slide and embed in the same-size positioning sleeve. The positioning method of embedding the frustum positioning column at both ends of the pipe has high positioning accuracy and fast positioning speed, but for large-sized pipes, the operator needs to hold the pipe so that both ends are sleeved in the frustum positioning column. It is usually difficult for one person to complete this operation, and the labor intensity is high. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a quick clamping and positioning mechanism for wire cutting pipes which can be operated by one person and has high positioning accuracy and fast positioning speed, and can be suitable for clamping and positioning of wire cutting operations of pipes of various lengths and sizes.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: a quick clamping and positioning mechanism for wire cutting processing pipes, including a base, a linear slide rail, a slider, an L-shaped seat, a cylinder seat, a telescopic cylinder, a sleeve, a first square shaft, and a positioning sleeve. Two linear slide rails are symmetrically and fixedly installed on both sides of the base, the slider is slidably installed on the linear slide rail, the L-shaped seat is fixedly installed on the slider, two cylinder seats are symmetrically and fixedly installed on the base, the two cylinder seats are located on the inner sides of the two linear slide rails, the cylinder body of the telescopic cylinder is fixedly installed on the cylinder seat, the sleeve is fixedly installed on the L-shaped seat, the first square shaft is slidably installed in the sleeve, and the first square shaft is also connected to the piston rod of the telescopic cylinder. The guide sleeve is fixedly connected, and a limit bolt for pressing and fixing the first square shaft is threadedly installed on the sliding sleeve. Two positioning sleeves are respectively installed on two L-shaped seats. The positioning sleeve on the right is fixedly installed on the L-shaped seat on the right. The second square shaft is fixedly installed on the outer side of the positioning sleeve on the left. A guide sleeve is fixedly installed on the outer side of the L-shaped seat on the left. The second square shaft is slidably installed in the guide sleeve. A spring is sleeved on the second square shaft, and the left and right ends of the spring are respectively operated on the left L-shaped seat and the left positioning sleeve. An anti-support stop ring is fixedly sleeved on the outer end of the second square shaft, a positioning channel is formed in the positioning sleeve, and a support plate with an arc structure is integrally formed at the inner end of the positioning sleeve.

[0005] Furthermore, the entrance of the positioning channel is arranged as an oblique angle structure.

[0006] Furthermore, the outer cross-sectional edges of the first square axis and the second square axis are both configured as bevel structures.

[0007] Furthermore, an operating hand wheel is coaxially fixedly mounted on the limiting bolt.

[0008] Compared with the prior art, the advantages of the utility model are as follows: the positioning mechanism can pre-position the pipe on the support plate of the positioning sleeve, and then start the two telescopic cylinders to quickly clamp and position the pipe. The spring's residual buffer operation can prevent the two telescopic cylinders from squeezing and damaging the pipe due to excessive stroke. In addition, loosening the limit bolt can adjust the relative position of the first square shaft and the sleeve, which can meet the needs of quick clamping and positioning of pipes of various types and lengths. It has the advantages of being able to be operated by one person and having high positioning accuracy and fast positioning speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The utility model is further described below in conjunction with the accompanying drawings.

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure at M. DETAILED DESCRIPTION

[0012] The utility model is described in detail below in conjunction with specific implementation methods:

[0013] like Figure 1 and Figure 2The shown embodiment of a quick clamping and positioning mechanism for wire cutting processing pipes comprises a base 1, a linear slide rail 2, a slider 3, an L-shaped seat 4, a cylinder seat 5, a telescopic cylinder 51, a sleeve 6, a first square shaft 61, and a positioning sleeve 7. The two linear slide rails 2 are symmetrically and fixedly mounted on both sides of the base 1, the slider 3 is slidably mounted on the linear slide rail 2, the L-shaped seat 4 is fixedly mounted on the slider 3, the two cylinder seats 5 are symmetrically and fixedly mounted on the base 1, the two cylinder seats 5 are located on the inner sides of the two linear slide rails 2, the cylinder body of the telescopic cylinder 51 is fixedly mounted on the cylinder seat 5, the sleeve 6 is fixedly mounted on the L-shaped seat 4, the first square shaft 61 is slidably mounted in the sleeve 6, the first square shaft 61 is also fixedly connected to the piston rod of the telescopic cylinder 51, and the sleeve 6 is screwed A limiting bolt 60 for pressing and fixing the first square shaft 61 is installed, and two positioning sleeves 7 are respectively installed on the two L-shaped seats 4. The positioning sleeve 7 on the right is fixedly installed on the L-shaped seat 4 on the right. A second square shaft 8 is fixedly installed on the outer side of the positioning sleeve 7 on the left. A guide sleeve 81 is fixedly installed on the outer side of the L-shaped seat 4 on the left. The second square shaft 8 is slidably installed in the guide sleeve 81. A spring 82 is sleeved on the second square shaft 8. The left and right ends of the spring 82 are respectively operated on the left L-shaped seat 4 and the left positioning sleeve 7. An anti-support stop ring 83 is fixedly sleeved on the outer end of the second square shaft 8. A positioning channel 72 is formed in the positioning sleeve 7, and a support plate 71 with an arc-shaped structure is integrally formed at the inner end of the positioning sleeve 7.

[0014] The entrance of the positioning channel 72 is provided with an angled structure 70 so as to facilitate the embedding and positioning of the pipe in the positioning channel 72 .

[0015] The outer cross-sectional edges of the first square shaft 61 and the second square shaft 8 are both configured as bevel structures, so that the first square shaft 61 and the second square shaft 8 can be slidably embedded in the sliding sleeve 6 and the guide sleeve 81 respectively.

[0016] An operating hand wheel 62 is coaxially fixedly mounted on the limiting bolt 60 to facilitate the rotation operation of the limiting bolt 60 .

[0017] The pipe 9 is placed on the support plate 71 of the positioning sleeve 7, and the two telescopic cylinders 51 are started at the same time to retract their piston rods, pulling the L-shaped seat 4 to move inward along the linear slide rail 2, so that the pipe 9 can be quickly embedded and fixed in the positioning channel 72 for wire cutting processing. When the pipe 9 is pressed and positioned by the positioning sleeve 7, the compression spring 82 makes the left positioning sleeve 7 and the second square shaft 8 move to the left. The spring 82 can prevent the two telescopic cylinders 51 from squeezing and damaging the pipe 9 due to excessive stroke. Loosening the limit bolt 60 can adjust the relative position of the first square shaft 61 and the sleeve 6 to meet the use requirements of quick clamping and positioning of pipes 9 of various types and lengths.

Claims

1. A quick clamping and positioning mechanism for wire cutting pipes, characterized in that: The invention comprises a base (1), a linear slide rail (2), a slider (3), an L-shaped seat (4), a cylinder seat (5), a telescopic cylinder (51), a sliding sleeve (6), a first square shaft (61), and a positioning sleeve (7), wherein two linear slide rails (2) are symmetrically and fixedly mounted on both sides of the base (1), the slider (3) is slidably mounted on the linear slide rail (2), the L-shaped seat (4) is fixedly mounted on the slider (3), two cylinder seats (5) are symmetrically and fixedly mounted on the base (1), the two cylinder seats (5) are located on the inner sides of the two linear slide rails (2), the cylinder body of the telescopic cylinder (51) is fixedly mounted on the cylinder seat (5), the sliding sleeve (6) is fixedly mounted on the L-shaped seat (4), the first square shaft (61) is slidably mounted in the sliding sleeve (6), the first square shaft (61) is also fixedly connected to the piston rod of the telescopic cylinder (51), and a threaded member for The first square shaft (61) is pressed and fixed by a limiting bolt (60), and two positioning sleeves (7) are respectively mounted on the two L-shaped seats (4). The positioning sleeve (7) located on the right side is fixedly mounted on the L-shaped seat (4) on the right side. A second square shaft (8) is fixedly mounted on the outer side of the positioning sleeve (7) located on the left side, and a guide sleeve (81) is fixedly mounted on the outer side of the L-shaped seat (4) located on the left side. The second square shaft (8) is slidably mounted in the guide sleeve (81). A spring (82) is sleeved and mounted on the second square shaft (8). The left and right ends of the spring (82) are respectively operated on the left L-shaped seat (4) and the left positioning sleeve (7). An anti-support stop ring (83) is fixedly sleeved and mounted on the outer end of the second square shaft (8). A positioning channel (72) is formed in the positioning sleeve (7), and a support plate (71) with an arc structure is integrally formed at the inner end of the positioning sleeve (7).

2. The quick clamping and positioning mechanism for wire cutting pipes according to claim 1 is characterized in that: The entrance of the positioning channel (72) is arranged as an oblique angle structure (70).

3. The quick clamping and positioning mechanism for wire cutting pipes according to claim 1 is characterized in that: The outer cross-sectional edges of the first square axis (61) and the second square axis (8) are both configured as bevel structures.

4. The quick clamping and positioning mechanism for wire-cut pipe processing according to claim 1 is characterized in that: An operating hand wheel (62) is coaxially fixedly mounted on the limiting bolt (60).

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