Positioning device for guide sleeve machining

Abstract

The utility model relates to the technical field of guide sleeve processing equipment, in particular to a positioning device for guide sleeve processing, which comprises a top plate and a hydraulic cylinder guide sleeve, the top plate is provided with a limit opening, two rollers are rotatably mounted in the limit opening, and the hydraulic cylinder guide sleeve is positioned between the two rollers. The diameter of the hydraulic cylinder guide sleeve is larger than the distance between the two rollers, a positive and negative tooth two-way lead screw is rotationally installed at the bottom of the top plate, and two sections of threaded rods, opposite in thread rotation direction, of the positive and negative tooth two-way lead screw are both in threaded sleeve connection with internal threaded blocks. According to the hydraulic cylinder guide sleeve angle adjusting device, the angle of a hydraulic cylinder guide sleeve can be conveniently and rapidly adjusted, the hydraulic cylinder guide sleeve does not need to be frequently taken to adjust the angle of the hydraulic cylinder guide sleeve, the angle adjusting efficiency of the hydraulic cylinder guide sleeve is improved, and then the polishing machining efficiency of the hydraulic cylinder guide sleeve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of guide sleeve processing equipment, in particular to a positioning device used for guide sleeve processing. Background Art

[0002] The guide sleeve is made by pressing polytetrafluoroethylene resin into a blank, sintering, cooling, and then finely processed by mechanical cutting according to the geometric dimensions and tolerance range required by the customer's drawings. The guide sleeve of the hydraulic cylinder supports and ensures the coaxiality of the piston rod and the cylinder barrel. When the hydraulic cylinder rod is extended, it makes the surface of the hydraulic cylinder and the cylinder barrel contact. The longer the stroke of the hydraulic cylinder, the longer the guide sleeve. At the same time, it also provides a support for the oil seal of the cylinder port.

[0003] After searching, it was found that the Chinese patent with application number 202220550294.5 disclosed "a guide sleeve hydraulic positioning device, including a push-pull hydraulic cylinder, a rotary hydraulic cylinder, an end face fixing disk and an expansion sleeve, and the push-pull hydraulic cylinder and the rotary hydraulic cylinder are arranged opposite to each other, the push-pull hydraulic cylinder is transmission-connected with the end face fixing disk, the end face fixing disk is abutted against the end face of the guide sleeve under the action of the push-pull hydraulic cylinder, the rotary hydraulic cylinder is transmission-connected with the expansion sleeve, the expansion sleeve is located inside the guide sleeve, and the expansion sleeve expands to fix the guide sleeve under the action of the rotary hydraulic cylinder"; however, when the above-mentioned guide sleeve hydraulic positioning device positions the hydraulic cylinder guide sleeve, it cannot conveniently adjust the angle of the hydraulic cylinder guide sleeve, which affects the positioning efficiency of the hydraulic cylinder guide sleeve. Therefore, in order to solve such problems, a positioning device for guide sleeve processing is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a positioning device for guide sleeve processing.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A positioning device for guide sleeve processing comprises a top plate and a hydraulic cylinder guide sleeve, wherein the top plate is provided with a limiting opening, and two rollers are rotatably installed in the limiting opening, the hydraulic cylinder guide sleeve is located between the two rollers, and the diameter of the hydraulic cylinder guide sleeve is greater than the spacing between the two rollers, a positive and negative bidirectional screw rod is rotatably installed at the bottom of the top plate, and internal thread blocks are threadedly sleeved on two sections of the threaded rods with opposite thread rotation directions, a clamping plate for clamping the hydraulic cylinder guide sleeve is installed on the top of the internal thread block, and a limiting mechanism for limiting the internal thread block is arranged at the bottom of the top plate.

[0007] Preferably, two rotating shafts are rotatably installed in the limiting opening, and two drums are respectively fixedly sleeved on the two rotating shafts. A first motor is installed on the side of the top plate, and the output shaft of the first motor is connected to one of the rotating shafts.

[0008] Preferably, a first mounting plate is installed at the bottom of the top plate, and a second motor is installed on the side of the first mounting plate. The output shaft of the second motor penetrates through the first mounting plate and is connected to a positive and negative thread bidirectional lead screw.

[0009] Preferably, a second mounting plate is installed at the bottom of the top plate. The second mounting plate and the first mounting plate are symmetrically arranged at the bottom of the top plate. A bearing is installed on one side of the second mounting plate close to the positive and negative thread bidirectional lead screw, and the end of the positive and negative thread bidirectional lead screw is installed in the inner ring of the bearing.

[0010] Preferably, the limiting mechanism includes a slide bar installed between the first mounting plate and the second mounting plate. A slide sleeve is installed at the bottom of the internally threaded block, and the slide sleeve is slidably sleeved on the slide bar.

[0011] Preferably, a mounting piece is installed at the top of the internally threaded block, and the clamping plate is installed at the top of the mounting piece.

[0012] Preferably, a reinforcing plate is installed at the top of the mounting piece, and the top end of the reinforcing plate is fixed to the side of the clamping plate.

[0013] Preferably, a mounting groove is formed on the side of the clamping plate, a rubber pad is installed in the mounting groove, two groups of support rods are symmetrically installed at the bottom of the top plate, the bottom ends of the support rods are installed with a bottom plate, and fixing holes are formed on the bottom plate.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1: In the present utility model, the rotation of one of the rotating shafts can drive the drum fixed on the outer wall of the rotating shaft to rotate, so that the hydraulic cylinder guide sleeve rolls between the two rollers to adjust the angle of the hydraulic cylinder guide sleeve. The unpolished part on the outer wall of the hydraulic cylinder guide sleeve can be adjusted to an angle convenient for polishing. After the angle of the hydraulic cylinder guide sleeve is adjusted, the hydraulic cylinder guide sleeve can be clamped and positioned again by using the two clamping plates. It can conveniently and quickly adjust the angle of the hydraulic cylinder guide sleeve, without frequently taking the hydraulic cylinder guide sleeve to adjust its angle, improving the efficiency of adjusting the angle of the hydraulic cylinder guide sleeve, and further improving the polishing efficiency of the hydraulic cylinder guide sleeve.

[0016] 2: In the present utility model, when the two internal thread blocks move closer to each other, they can drive the two mounting plates to move closer to each other. The two mounting plates drive the two clamping plates to move closer to each other. Furthermore, by using the mutual approach movement of the two clamping plates, the bottom end of the outer wall of the hydraulic cylinder guide sleeve is clamped and fixed, and then the hydraulic cylinder guide sleeve is clamped and fixed between the two clamping plates to complete the clamping and positioning of the hydraulic cylinder guide sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 An isometric view of a positioning device for guide sleeve processing proposed by the present utility model;

[0018] Figure 2 A schematic connection diagram of the top plate and the first mounting plate of a positioning device for guide sleeve processing proposed by the present utility model;

[0019] Figure 3 A schematic structural diagram of the top plate of a positioning device for guide sleeve processing proposed by the present utility model;

[0020] Figure 4 is Figure 3 a partial enlarged view of part A in

[0021] Figure 5 A schematic connection diagram of the top plate and the second mounting plate of a positioning device for guide sleeve processing proposed by the present utility model;

[0022] Figure 6 A schematic connection diagram of the mounting plate and the clamping plate of a positioning device for guide sleeve processing proposed by the present utility model.

[0023] In the figure: 1, bottom plate; 2, support rod; 3, fixing hole; 4, top plate; 5, limiting port; 6, roller; 7, hydraulic cylinder guide sleeve; 8, first motor; 9, first mounting plate; 10, second mounting plate; 11, bearing; 12, second motor; 13, positive and negative thread bidirectional lead screw; 14, internal thread block; 15, mounting plate; 16, sliding sleeve; 17, sliding rod; 18, rubber pad; 19, rotating shaft; 20, clamping plate; 21, mounting groove; 22, reinforcing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0025] Refer to Figures 1-6, A positioning device for the machining of a guide sleeve, comprising a top plate 4 and a hydraulic cylinder guide sleeve 7. The top plate 4 is provided with a limit opening 5. Two rollers 6 are rotatably installed in the limit opening 5. The hydraulic cylinder guide sleeve 7 is located between the two rollers 6, and the diameter of the hydraulic cylinder guide sleeve 7 is greater than the distance between the two rollers 6. A left - and - right - hand thread double - lead screw 13 is rotatably installed at the bottom of the top plate 4. Inner threaded blocks 14 are threadedly sleeved on both threaded rods of the left - and - right - hand thread double - lead screw 13 with opposite thread directions. A clamping plate 20 for clamping the hydraulic cylinder guide sleeve 7 is installed at the top of the inner threaded block 14. A limiting mechanism for limiting the inner threaded block 14 is provided at the bottom of the top plate 4.

[0026] As a technical optimization scheme of the present utility model, two rotating shafts 19 are rotatably installed in the limit opening 5. The two rollers 6 are respectively fixedly sleeved on the two rotating shafts 19. A first motor 8 is installed on the side of the top plate 4. The output shaft of the first motor 8 is connected to one of the rotating shafts 19. The output shaft of the first motor 8 can facilitate driving one of the rotating shafts 19 to rotate, so that the hydraulic cylinder guide sleeve 7 rotates between the two rollers 6 to adjust the angle of the hydraulic cylinder guide sleeve 7.

[0027] As a technical optimization scheme of the present utility model, a first mounting plate 9 is installed at the bottom of the top plate 4. A second motor 12 is installed on the side of the first mounting plate 9. The output shaft of the second motor 12 penetrates through the first mounting plate 9 and is connected to the left - and - right - hand thread double - lead screw 13. The output shaft of the second motor 12 can facilitate driving the left - and - right - hand thread double - lead screw 13 to rotate.

[0028] As a technical optimization scheme of the present utility model, a second mounting plate 10 is installed at the bottom of the top plate 4. The second mounting plate 10 and the first mounting plate 9 are symmetrically arranged at the bottom of the top plate 4. A bearing 11 is installed on the side of the second mounting plate 10 close to the left - and - right - hand thread double - lead screw 13. The end of the left - and - right - hand thread double - lead screw 13 is installed in the inner ring of the bearing 11. The bearing 11 can provide guidance and support for the left - and - right - hand thread double - lead screw 13 and improve the stability of the left - and - right - hand thread double - lead screw 13 during rotation.

[0029] As a technical optimization scheme of the present utility model, the limiting mechanism includes a slide bar 17 installed between the first mounting plate 9 and the second mounting plate 10. A slide sleeve 16 is installed at the bottom of the inner threaded block 14. The slide sleeve 16 is slidably sleeved on the slide bar 17. By the cooperation of the slide bar 17 and the slide sleeve 16, a limit can be provided for the inner threaded block 14, so that the inner threaded block 14 makes a lateral movement on the left - and - right - hand thread double - lead screw 13.

[0030] As a technical optimization scheme of the present utility model, a mounting piece 15 is installed at the top of the inner threaded block 14. The clamping plate 20 is installed at the top of the mounting piece 15. The mounting piece 15 can facilitate the connection between the clamping plate 20 and the inner threaded block 14.

[0031] As a technical optimization solution of the utility model, a reinforcing plate 22 is installed on the top of the mounting piece 15, and the top end of the reinforcing plate 22 is fixed to the side surface of the clamping plate 20. The reinforcing plate 22 can increase the connection strength between the mounting piece 15 and the clamping plate 20.

[0032] As a technical optimization solution of the utility model, an installation groove 21 is formed on the side surface of the clamping plate 20, a rubber pad 18 is installed in the installation groove 21, two groups of support rods 2 are symmetrically installed at the bottom of the top plate 4, the bottom end of the support rod 2 is installed with a bottom plate 1, and a fixing hole 3 is formed on the bottom plate 1. The rubber pad 18 installed in the installation groove 21 can increase the friction between the clamping plate 20 and the hydraulic cylinder guide sleeve 7, and improve the firmness of the clamping and positioning of the hydraulic cylinder guide sleeve 7 by the clamping plate 20.

[0033] When the utility model is in use, when the hydraulic cylinder guide sleeve 7 needs to be polished, first, the hydraulic cylinder guide sleeve 7 to be polished is placed between the two rollers 6, and the two rollers 6 are used to limit the hydraulic cylinder guide sleeve 7, so that the hydraulic cylinder guide sleeve 7 is located between the two rollers 6, and the bottom of the outer wall of the hydraulic cylinder guide sleeve 7 is located below the top plate 4.

[0034] Start the second motor 12, the output shaft of the second motor 12 drives the forward and reverse thread double lead screw 13 to rotate. When the output shaft of the forward and reverse thread double lead screw 13 rotates, the two internal thread blocks 14 move closer to each other. When the two internal thread blocks 14 move closer to each other, they drive the two mounting pieces 15 to move closer to each other. The two mounting pieces 15 drive the two clamping plates 20 to move closer to each other. Then, the two clamping plates 20 move closer to each other to clamp and fix the bottom end of the outer wall of the hydraulic cylinder guide sleeve 7, and then the hydraulic cylinder guide sleeve 7 is clamped and fixed between the two clamping plates 20 to complete the clamping and positioning of the hydraulic cylinder guide sleeve 7.

[0035] At this time, the top of the outer wall of the hydraulic cylinder guide sleeve 7 can be polished. When it is necessary to adjust the angle of the hydraulic cylinder guide sleeve 7 after the polishing of the top of the outer wall of the hydraulic cylinder guide sleeve 7 is completed, the second motor 12 is started again, so that the two clamping plates 20 move away from each other. Then, by using the two clamping plates 20 to move away from each other, the clamping and fixing of the hydraulic cylinder guide sleeve 7 is released. At this time, the first motor 8 is started, and the output shaft of the first motor 8 can drive one of the rotating shafts 19 to rotate. When one of the rotating shafts 19 rotates, the roller 6 fixed to the outer wall of the rotating shaft 19 can be driven to rotate. Then, the hydraulic cylinder guide sleeve 7 rolls between the two rollers 6 to adjust the angle of the hydraulic cylinder guide sleeve 7. The unpolished part of the outer wall of the hydraulic cylinder guide sleeve 7 can be adjusted to an angle convenient for polishing. After the angle of the hydraulic cylinder guide sleeve 7 is adjusted, the hydraulic cylinder guide sleeve 7 can be clamped and positioned again by using the two clamping plates 20. It can conveniently and quickly adjust the angle of the hydraulic cylinder guide sleeve 7, without frequently taking the hydraulic cylinder guide sleeve 7 to adjust its angle, improving the efficiency of adjusting the angle of the hydraulic cylinder guide sleeve 7, and thus improving the polishing efficiency of the hydraulic cylinder guide sleeve 7.

[0036] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A positioning device for guide sleeve machining, comprising a top plate (4) and a hydraulic cylinder guide sleeve (7), characterized in that: The top plate (4) is provided with a limit opening (5), two rollers (6) are rotatably mounted in the limit opening (5), a hydraulic cylinder guide sleeve (7) is located between the two rollers (6), and the diameter of the hydraulic cylinder guide sleeve (7) is greater than the distance between the two rollers (6), a positive and negative thread bidirectional screw rod (13) is rotatably mounted at the bottom of the top plate (4), two sections of the positive and negative thread bidirectional screw rod (13) with opposite thread rotation directions are both threadedly sleeved with an internal thread block (14), a clamping plate (20) for clamping the hydraulic cylinder guide sleeve (7) is mounted on the top of the internal thread block (14), and a limit mechanism for limiting the internal thread block (14) is provided at the bottom of the top plate (4).

2. A positioning device for guide sleeve machining according to claim 1, characterized in that: Two rotating shafts (19) are rotatably mounted in the limiting opening (5), the two rollers (6) are respectively fixedly sleeved on the two rotating shafts (19), a first motor (8) is mounted on the side of the top plate (4), and an output shaft of the first motor (8) is connected to one of the rotating shafts (19).

3. A positioning device for guide sleeve machining according to claim 1, characterized in that: A first mounting plate (9) is mounted on the bottom of the top plate (4), a second motor (12) is mounted on the side of the first mounting plate (9), and an output shaft of the second motor (12) passes through the first mounting plate (9) and is connected to a forward and reverse bidirectional screw rod (13).

4. A positioning device for guide sleeve machining according to claim 3, characterized in that: A second mounting plate (10) is mounted on the bottom of the top plate (4); the second mounting plate (10) and the first mounting plate (9) are symmetrically arranged on the bottom of the top plate (4); a bearing (11) is mounted on one side of the second mounting plate (10) close to the forward and reverse bidirectional screw rod (13); and the end of the forward and reverse bidirectional screw rod (13) is mounted on the inner ring of the bearing (11).

5. A positioning device for guide sleeve machining according to claim 4, characterized in that: The limiting mechanism comprises a sliding rod (17) mounted between the first mounting plate (9) and the second mounting plate (10); a sliding sleeve (16) is mounted at the bottom of the internal thread block (14); and the sliding sleeve (16) is slidably sleeved on the sliding rod (17).

6. A positioning device for guide sleeve machining according to claim 1, characterized in that: A mounting plate (15) is mounted on the top of the internal thread block (14), and a clamping plate (20) is mounted on the top of the mounting plate (15).

7. A positioning device for guide sleeve machining according to claim 6, characterized in that: A reinforcing plate (22) is installed on the top of the mounting plate (15), and the top end of the reinforcing plate (22) is fixed to the side of the clamping plate (20).

8. A positioning device for guide sleeve machining according to claim 1, characterized in that: The side of the clamping plate (20) is provided with a mounting groove (21), a rubber pad (18) is installed in the mounting groove (21), two groups of support rods (2) are symmetrically installed at the bottom of the top plate (4), a bottom plate (1) is installed at the bottom end of the support rods (2), and a fixing hole (3) is provided on the bottom plate (1).

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