Flame cutting auxiliary positioner

Abstract

The utility model discloses a flame cutting auxiliary positioner which comprises a base, a bearing seat, an outer shell, a first fixing sleeve, a second fixing sleeve, a first connecting rod, a second connecting rod, a first guide sleeve, a pressing plate, a mounting seat, a quick clamp, a middle shaft and a gear. Guide wheels are rotationally mounted on the two sides of the bearing seat, and linear sliding rails are symmetrically and fixedly mounted on the two sides of the base; according to the auxiliary positioner, the straightness of the flame cutting machine during manual linear cutting operation can be improved, and then the cutting operation precision is improved. According to the flame cutting machine, the mounting position and the rotating angle of the flame cutting machine in the front-back direction and the up-down direction can be adjusted so as to meet the actual use requirement, and by arranging a gear and rack meshing transmission mode, when an operator pushes a bearing seat, a gear can be in meshing transmission with a rack; the bearing seat can be prevented from sliding relative to the base along the linear sliding rail in a non-stressed or slightly stressed state, and the control precision of an operator on the walking position of the flame cutting machine is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of flame cutting processing, in particular to a flame cutting auxiliary positioner. Background Art

[0002] Before using steel plates to process and manufacture parts, flame cutting machines must first cut the steel plates into strips. At present, the commonly used cutting method is to use high-temperature flames to melt through the steel plates and use high-temperature flames to cut the steel plates. According to different control methods, they are divided into CNC flame cutting machines and manual flame cutting machines. CNC flame cutting machines refer to equipment that moves the cutting torch for automatic thermal cutting according to a pre-programmed digital instruction program. CNC flame cutting machines have the advantages of high positioning accuracy and high degree of automation. Manual flame cutting machines have the advantages of flexible operation and low cost of use. When using a flame cutting machine for straight-line cutting, an auxiliary positioner for the flame cutting machine can be used, which has the advantage of low production cost compared to CNC flame cutting machines. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide an auxiliary positioner for the straight-line cutting operation of a flame cutting machine.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: a flame cutting auxiliary positioner, comprising a base, a bearing seat, an outer shell, a first fixed sleeve, a second fixed sleeve, a first connecting rod, a second connecting rod, a first guide sleeve, a pressure plate, a mounting seat, a quick clamp, a central axis and a gear, guide wheels are rotatably installed on both sides of the bearing, linear slide rails are symmetrically and fixedly installed on both sides of the base, the guide wheels are clamped and installed on the linear slide rails, a rack with the same direction as the linear slide rail is installed on the top of the base, the outer shell and the quick clamp are both fixedly installed on the bearing seat, a first guide block is fixedly installed on the top of the outer shell, and a second guide block is fixedly installed on the bearing seat, the central axis is slidably installed in the first guide block and the second guide block, the central axis is fixedly connected to the pressure rod of the quick clamp, and the gear rotates through a ball bearing. The movable sleeve is installed at the bottom of the middle shaft, the gear and the rack are meshed and connected, the first connecting rod is slidably installed in the first fixed sleeve, and the first fixing sleeve is threadedly installed with a first clamping bolt for clamping and fixing the first connecting rod, the second fixing sleeve is fixedly installed on the head of the first connecting rod, the second connecting rod is slidably installed in the second fixed sleeve, and the second clamping bolt for locking and fixing the second connecting rod is threadedly installed on the second fixing sleeve, the first guide sleeve is fixedly installed at the lower end of the second connecting rod, an adjusting shaft is rotatably installed in the first guide sleeve, the mounting seat is fixedly installed on the outer end of the mounting seat, the pressure plate is fixedly sleeved on the adjusting shaft, the pressure plate is symmetrically provided with two arc holes, the limit bolts are threadedly fixed on the first guide sleeve through the arc holes, and the bottom of the base is linearly distributed with permanent magnets fixedly installed.

[0005] Preferably, a limit plate is fixedly sleeved and installed on the central axis, and a spring is also slidably sleeved and installed on the central axis, and the upper and lower ends of the spring act on the limit plate and the second guide block respectively.

[0006] Preferably, the top of the bearing seat is provided with an accommodating groove into which the gear can be slidably embedded.

[0007] Preferably, the angle of the arc-shaped hole is set to 30°-45°.

[0008] Preferably, an adjusting knob is fixedly mounted on the outer end of the adjusting shaft.

[0009] Preferably, the first guide sleeve is provided with an annular angle scale, the adjusting shaft is fixedly sleeved with an identification sleeve, and the identification sleeve is provided with identification points matching the annular angle scale.

[0010] Preferably, the top surface of the inner hole of the first fixing sleeve and the top surface of the first connecting rod are cooperatively arranged to form a planar structure.

[0011] Preferably, anti-drop limit columns are fixedly installed at both ends of the base.

[0012] Preferably, a non-slip rubber pad is fixedly mounted on the gear.

[0013] Compared with the prior art, the utility model has the following advantages: the auxiliary positioner can improve the straightness of the flame cutting machine during manual linear cutting operation, thereby improving the cutting operation accuracy. The installation position and rotation angle of the flame cutting machine in the front and rear, up and down directions can be adjusted to meet the actual use requirements. By setting the gear and rack meshing transmission mode, the gear will mesh with the rack only when the operator pushes the bearing seat, which can prevent the bearing seat from sliding relative to the base along the linear slide rail when it is not under stress or slightly under stress, thereby improving the operator's control accuracy of the walking position of the flame cutting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a stereogram of the utility model.

[0016] Figure 2 It is a schematic diagram of the internal structure of the outer shell.

[0017] Figure 3 It is a schematic diagram of the installation structure of the limit bolt. DETAILED DESCRIPTION

[0018] The utility model is described in detail below in conjunction with specific implementation methods:

[0019] like Figures 1 to 3The flame cutting auxiliary positioner shown in the figure includes a base 1, a bearing seat 2, an outer shell 3, a first fixing sleeve 4, a second fixing sleeve 42, a first connecting rod 5, a second connecting rod 6, a first guide sleeve 7, a pressure plate 74, a mounting seat 72, a quick clamp 8, a central axis 9 and a gear 92. The bearing 2 is rotatably mounted with guide wheels 21 on both sides, and the base 1 is symmetrically and fixedly mounted with linear guide rails 11 on both sides. The guide wheels 21 are clamped and mounted on the linear guide rails 11. A rack 12 with the same direction as the linear guide rail 11 is installed on the top of the base 1. The outer shell 3 and the quick clamp 8 are installed on the central axis 9 and the gear 92. The clamps 8 are fixedly mounted on the bearing seat 2, a first guide block 91 is fixedly mounted on the top of the outer shell 3, a second guide block 96 is fixedly mounted on the bearing seat 2, the central axis 9 is slidably mounted in the first guide block 91 and the second guide block 96, the central axis 9 is fixedly connected to the pressure rod of the quick clamp 8, the gear 92 is rotatably mounted on the bottom of the central axis 9 through a ball bearing, the retainer of the ball bearing is fixedly mounted in the gear 92, the rotating body of the ball bearing is fixedly mounted on the bottom of the central axis 9, the gear 92 is meshed and transmission-connected with the rack 12, The first connecting rod 5 is slidably installed in the first fixing sleeve 4, and a first clamping bolt 41 for clamping and fixing the first connecting rod 5 is threadedly installed on the first fixing sleeve 4, and the second fixing sleeve 42 is fixedly installed on the head of the first connecting rod 5. The second connecting rod 6 is slidably installed in the second fixing sleeve 42, and a second clamping bolt 43 for locking and fixing the second connecting rod 6 is threadedly installed on the second fixing sleeve 42. The first guide sleeve 7 is fixedly installed at the lower end of the second connecting rod 6, and an adjusting shaft 77 is rotatably installed in the first guide sleeve 7. The mounting seat 72 is fixed It is fixedly installed at the outer end of the mounting seat 72, and the pressure plate 74 is fixedly sleeved and installed on the adjusting shaft 77. The pressure plate 74 is symmetrically provided with two arc-shaped holes 75. The limiting bolts 76 pass through the arc-shaped holes 75 and are screwed and fixed on the first guide sleeve 7. The limiting bolts 76 are tightened to press the pressure plate 74 and the adjusting shaft 77 on the first guide sleeve 7. The inner plate surface of the pressure plate 74 is provided with a mesh anti-skid pattern to increase the friction between the pressure plate 74 and the end of the first guide sleeve 7 after being pressed, thereby improving the anti-skid performance. The bottom of the base 1 is linearly distributed and fixedly installed with permanent magnets 13.

[0020] A limit plate 93 is fixedly sleeved on the central axis 9, and a spring 95 is also slidably sleeved on the central axis 9. The upper and lower ends of the spring 95 act on the limit plate 93 and the second guide block 96 respectively. Through the elastic force of the spring 95, the combination of the limit plate 93, the central axis 9, the gear 92, and the quick clamp 8 can be pushed upward to avoid the up and down fluctuation of the central axis 9 and the gear 92 caused by the up and down swinging of the handle of the quick clamp 8, thereby improving the stability during use.

[0021] The top of the supporting seat 2 is provided with a receiving groove 94 in which the gear 92 can be slidably inserted. The combination of the central axis 9 and the gear 92 is lifted upwards, so that the gear 92 can be slidably inserted into the receiving groove 94, which can separate the gear 92 from the rack 12 and facilitate assembly and disassembly operations between the gear 92 and the rack 12.

[0022] The angle of the arc-shaped hole 75 is set to 40°, which meets the angle adjustment requirements of the flame cutting machine installed on the mounting seat 72.

[0023] An adjusting knob 71 is fixedly mounted on the outer end of the adjusting shaft 77 , so that the user can rotate the adjusting shaft 77 .

[0024] The first guide sleeve 7 is provided with an annular angle scale, and the adjustment shaft 77 is fixedly sleeved with an identification sleeve 73. The identification sleeve 73 is provided with an identification point that matches the annular angle scale. By observing the relative position of the identification point and the annular angle scale, the rotation adjustment angle of the adjustment shaft 77 can be accurately known.

[0025] The top surface of the inner hole of the first fixing sleeve 4 and the top surface of the first connecting rod 5 are cooperatively arranged as a plane structure, and the two plane structures fit each other to prevent the first connecting rod 5 from rotating in the hole of the first fixing sleeve 4 .

[0026] Anti-dropout limit columns 14 are fixedly mounted at both ends of the base 1 to prevent the gear 92 from falling out from both ends of the gear 12 .

[0027] The gear 92 is fixedly mounted with an anti-skid rubber pad, which can increase the friction between the gear 92 and the base 1, thereby achieving a better friction limit effect. At the same time, when the quick clamp 8 is pressed down excessively, the purpose of margin adjustment can be achieved by compressing the anti-skid rubber pad.

[0028] When performing flame cutting operations, the flame cutting machine is fixedly mounted on the mounting seat 72, and the auxiliary positioner is fixed on the iron workbench by adsorption of its permanent magnet 13, the first clamping bolt 41 is loosened, and the first clamping bolt 41 is tightened after adjusting the relative mounting position of the first connecting rod 5 and the first fixing sleeve 4, the second clamping bolt 43 is loosened, and the relative mounting position of the second connecting rod 6 and the second fixing sleeve 42 is tightened, and then the limiting bolt 76 is loosened to release the clamping and limiting effect on the pressure plate 74, and the adjusting shaft 77 is rotated to adjust the angle of the mounting seat 72, and then the limiting bolt 76 is tightened to limit the pressure plate 74 to prevent it from rotating, thereby completing the adjustment of the position angle of the flame cutting machine installed on the mounting seat 72. When not in use, the handle of the quick clamp 8 is pressed down to press the gear 92 onto the base 1 to achieve friction limiting, thereby preventing the bearing seat 2 and the base 1 from moving relative to each other. The handle of the quick clamp 8 is lifted up, and the central axis 9 is driven upward by the pressure rod of the quick clamp 8 (in order to avoid the problem that the friction between the gear and the rack is too large, which makes it difficult for the gear and the central axis 9 to move up and down, the handle of the quick clamp 8 can be lifted and pressed down when the gear and the rack are relatively meshed and transmitted), so that the gear 92 is separated from the base 1. The operator holds the outer shell 3 or the first connecting rod 5 by hand to control the bearing seat 2 to slide relatively along the linear slide rail 11, thereby achieving the purpose of auxiliary positioning of the flame cutting machine during linear cutting operation. The gear and the rack adopt a small gap meshing transmission connection method to increase the friction between the gear and the rack, so that the gear does not mesh and rotate when the operator is not in control.

Claims

1. A flame cutting auxiliary positioner, characterized in that: The invention comprises a base (1), a bearing seat (2), an outer shell (3), a first fixing sleeve (4), a second fixing sleeve (42), a first connecting rod (5), a second connecting rod (6), a first guide sleeve (7), a pressure plate (74), a mounting seat (72), a quick clamp (8), a central shaft (9) and a gear (92), wherein guide wheels (21) are rotatably mounted on both sides of the bearing seat (2), linear guide rails (11) are symmetrically and fixedly mounted on both sides of the base (1), the guide wheels (21) are clamped and mounted on the linear guide rails (11), and the top of the base (1) is A rack (12) is installed in the same direction as the linear slide rail (11); the outer shell (3) and the quick clamp (8) are both fixedly installed on the bearing seat (2); a first guide block (91) is fixedly installed on the top of the outer shell (3); a second guide block (96) is fixedly installed on the bearing seat (2); the middle shaft (9) is slidably installed in the first guide block (91) and the second guide block (96); the middle shaft (9) is fixedly connected to the pressure rod of the quick clamp (8); and the gear (92) is rotatably sleeved and installed on the bottom of the middle shaft (9) through a ball bearing. The gear (92) is meshed and transmission-connected with the rack (12); the first connecting rod (5) is slidably mounted in the first fixing sleeve (4); a first clamping bolt (41) for clamping and fixing the first connecting rod (5) is threadedly mounted on the first fixing sleeve (4); the second fixing sleeve (42) is fixedly mounted on the head of the first connecting rod (5); the second connecting rod (6) is slidably mounted in the second fixing sleeve (42); a second clamping bolt (43) for locking and fixing the second connecting rod (6) is threadedly mounted on the second fixing sleeve (42); The first guide sleeve (7) is fixedly mounted on the lower end of the second connecting rod (6); an adjusting shaft (77) is rotatably mounted in the first guide sleeve (7); the mounting seat (72) is fixedly mounted on the outer end of the mounting seat (72); the pressing plate (74) is fixedly sleeved and mounted on the adjusting shaft (77); the pressing plate (74) is symmetrically provided with two arc-shaped holes (75); a limiting bolt (76) passes through the arc-shaped holes (75) and is screwed and fixedly mounted on the first guide sleeve (7); and permanent magnets (13) are linearly distributed and fixedly mounted on the bottom of the base (1).

2. The flame cutting auxiliary positioner according to claim 1, characterized in that: A limit plate (93) is fixedly sleeved and mounted on the central shaft (9), and a spring (95) is also slidably sleeved and mounted on the central shaft (9), with upper and lower ends of the spring (95) acting on the limit plate (93) and the second guide block (96) respectively.

3. The flame cutting auxiliary positioner according to claim 1, characterized in that: The top of the bearing seat (2) is provided with a receiving groove (94) capable of allowing the gear (92) to slide and embed.

4. The flame cutting auxiliary positioner according to claim 1, characterized in that: The angle of the arc-shaped hole (75) is set to 30°-45°.

5. The flame cutting auxiliary positioner according to claim 1, characterized in that: An adjusting knob (71) is fixedly mounted on the outer end of the adjusting shaft (77).

6. The flame cutting auxiliary positioner according to claim 1, characterized in that: The first guide sleeve (7) is provided with an annular angle scale, the adjustment shaft (77) is fixedly sleeved with an identification sleeve (73), and the identification sleeve (73) is provided with an identification point that matches the annular angle scale.

7. The flame cutting auxiliary positioner according to claim 1, characterized in that: The top surface of the inner hole of the first fixing sleeve (4) and the top surface of the first connecting rod (5) are cooperatively arranged to form a planar structure.

8. The flame cutting auxiliary positioner according to claim 1, characterized in that: Anti-drop limit columns (14) are fixedly mounted at both ends of the base (1).

9. The flame cutting auxiliary positioner according to claim 1, characterized in that: An anti-slip rubber pad is fixedly mounted on the gear (92).

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