Thin-wall sleeve part machining device

By using internal and external hydraulic clamping systems and a multi-stage filtration system, the problems of unstable clamping and chip impact in thin-walled sleeve machining have been solved, achieving high-precision clamping and efficient chip removal, and adapting to flexible machining of workpieces of different sizes.

CN223947346UActive Publication Date: 2026-02-27WEIHAI GUANGWEI PRECISE MACHINERY CO LTD
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Patent Information

Application Number
CN202520666484.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-02-27
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

Existing processing equipment has difficulty in controlling the clamping force when clamping thin-walled sleeves, which can easily lead to deformation or unstable clamping, affecting the processing quality. In addition, flying chips during the processing also affect the processing effect.

Method used

It adopts an internal and external two-way hydraulic clamping system, combined with dynamic adjustment of the pressure stabilizing oil tank, and a three-stage filtration system of fan-filter-slag cleaning chamber. The support components have adjustable support height, and the processing components realize multi-axis linkage, which can adapt to the processing of asymmetric thin-walled parts.

Benefits of technology

It achieves high-precision clamping, with workpiece roundness error less than 0.005mm, 90% reduction in residual debris, stable processing, adaptability to workpieces of different diameters, and strong flexible processing capability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sleeve machining, and discloses a thin-wall sleeve part machining device which comprises a main frame, a supporting assembly, a clamping assembly and a machining assembly, the supporting assembly is arranged at the bottom of the main frame, the clamping assembly is installed in the middle of the supporting assembly, and the machining assembly is connected with the side edge of the main frame in a sliding mode. The clamping assembly comprises a clamping supporting cylinder, a plurality of slag suction holes are formed in the side edge of the clamping supporting cylinder, an air outlet plate is detachably connected to the top of the clamping supporting cylinder, a plurality of through holes are formed in the top of the air outlet plate, replaceable filter screens are installed in the through holes, and a fan is installed in the clamping supporting cylinder. The problems that when a thin-wall sleeve is clamped by an existing machining device, the clamping force is difficult to adjust and control, deformation or unstable clamping is likely to happen, and in the machining process, flying chips affect the machining quality are solved.
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Description

TECHNICAL FIELD

[0001] The utility model discloses a sleeve processing technical field, concretely speaking, relates to a kind of thin-walled sleeve part processing device. BACKGROUND

[0002] The Chinese patent with the publication number CN210817519U discloses a thin-walled shaft sleeve machining device, which comprises a mounting base and a chuck. The upper surface of the mounting base is fixedly provided with a servo motor. The output shaft of the servo motor is connected with a rotating shaft through a shaft coupling. The other end of the rotating shaft is welded with a first protrusion. The first protrusion is symmetrically welded on the outer surface of the rotating shaft. The left surface of the chuck is symmetrically welded with a second protrusion. The first protrusion and the second protrusion are fixedly connected through a fastening bolt. The right side of the chuck is connected with an expansion chuck. The surface of the expansion chuck is sleeved with a shaft sleeve body. The utility model fixes the expansion chuck through the chuck, then sleeves the shaft sleeve body outside the expansion chuck, and makes one end of the shaft sleeve body contact with the protruding ring. Then, the fastening bolt is screwed into the threaded hole. Under the action of the fastening bolt, the expansion chuck, the shaft sleeve body and the fastening bolt form an integral whole.

[0003] However, the existing machining device is difficult to control the holding force when clamping the thin-walled sleeve, which is prone to deformation or unstable clamping. In the machining process, the flying chips affect the machining quality. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a kind of thin-walled sleeve part processing device, to solve the existing machining device clamping thin-walled sleeve when holding force difficult to control, prone to deformation or unstable clamping condition, in the machining process, the flying chips affect the machining quality problem.

[0005] The utility model is realized as follows: a kind of thin-walled sleeve part processing device, including main frame, support assembly, clamping assembly and machining assembly, the support assembly is placed in the bottom of main frame, the clamping assembly is installed in the middle part of support assembly, the machining assembly is slidably connected with the side of main frame.

[0006] The clamping assembly comprises a clamping cylinder, a plurality of slag suction holes are formed in the side of the clamping cylinder, a wind outlet plate is detachably connected to the top of the clamping cylinder, a plurality of through holes are formed in the top of the wind outlet plate, a replaceable filter screen is installed in the through hole, and a fan is installed in the clamping cylinder.

[0007] A hydraulic chamber is installed in the middle of the clamping cylinder, and the hydraulic chamber is filled with hydraulic oil.

[0008] The outer wall of the clamping cylinder is fixedly connected with an inner support plate, the two sides of the inner support plate are symmetrically hingedly connected with hinge plates, one end of the hinge plate away from the inner support plate is hingedly connected with an inner clamping seat, the bottom of the inner clamping seat is connected with the extending end of an inner hydraulic cylinder, and the inner hydraulic cylinder is communicated with the hydraulic bin through an oil pipe.

[0009] The outer support is installed on the side edge of the hydraulic bin, the outer hydraulic cylinder is installed on the bottom of the outer support, the extending end of the outer hydraulic cylinder is connected with an outer clamping seat, the outer clamping seat is hingedly connected with the side edge of the outer support through a hinge plate, and the outer hydraulic cylinder is communicated with the hydraulic bin through an oil pipe.

[0010] The inner clamping seat is installed with a clamping plate on the side close to the clamping cylinder, the clamping plate is connected with the middle part of the inner clamping seat through a plurality of telescopic rods, one end of the telescopic rod is fixedly connected with the clamping plate, the other end of the telescopic rod is slidably connected with the inner clamping seat, the outer clamping seat is connected with a clamping block through a telescopic rod on the side close to the inner clamping seat, and the inner clamping seat and the outer clamping seat are both internally provided with an oil groove capable of driving the telescopic rod to extend or retract.

[0011] The machining assembly comprises a machining support, a machining turntable, machining support plates, a machining sliding seat, a machining sliding plate, a machining motor, a machining rotating shaft and a machining cutting head, the machining support is slidably connected with the side edge of the main frame through a sliding rail, the machining turntable is rotationally connected with the bottom of the machining support, the machining support plates are symmetrically and detachably installed on the outer wall of the machining turntable, the machining sliding seat is fixedly connected with the bottom of the machining support plate, the machining sliding plate is slidably connected with the machining sliding seat, the machining motor is installed on the bottom of the machining sliding plate, the machining rotating shaft is slidably connected with the machining motor, and the machining cutting head is detachably connected with one end of the machining rotating shaft away from the machining motor.

[0012] The supporting assembly comprises a supporting plate, supporting rods, a lifting plate, a supporting cylinder and a supporting rotating seat, the supporting plate is connected with the bottom of the main frame through a plurality of supporting rods, the lifting plate is slidably connected with the middle part of the supporting rod, the supporting cylinder is installed on the bottom of the lifting plate, and the supporting rotating seat is rotationally connected with the top of the lifting plate.

[0013] The inner clamping seat and the outer clamping seat are symmetrically distributed, and the hydraulic bin is provided with a baffle on the top.

[0014] The clamping cylinder is provided with a pullable slag removal bin on the bottom.

[0015] Compared with the prior art , The utility model has the following beneficial effects:

[0016] 1. High-precision clamping: inner-outer two-way hydraulic clamping + stable pressure tank dynamic adjustment, workpiece roundness error ≤0.005mm;

[0017] 2. High efficiency chip removal: fan-filter-cleaning bin three-stage filtration system, chip residue reduction by 90%;

[0018] 3. Flexible processing: multi-axis linkage of processing assembly 4, supporting one-time forming of asymmetric thin-walled parts;

[0019] 4. Self-adaptive adjustment: combination of support cylinder 34 and lifting plate 33, compatible with workpieces with diameters of 50-300mm. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the thin-walled sleeve part machining device of the utility model;

[0021] Figure 2 is Figure 1 a local enlarged view of A part in

[0022] Figure 3 is a structural schematic view of the clamping device in the thin-walled sleeve part machining device of the utility model.

[0023] REFERENCE NUMERALS:

[0024] 1, main frame; 2, support assembly; 3, clamping assembly; 4, processing assembly; 5, processing support; 6, slide rail; 7, processing turntable; 8, processing support plate; 9, processing slide; 10, processing slide plate; 11, processing motor; 12, processing shaft; 13, processing head; 14, support rotating seat; 15, clamping support cylinder; 16, cleaning bin; 17, hydraulic bin; 18, outer support; 19, outer hydraulic cylinder; 20, oil pipe; 21, outer clamping seat; 22, hinge plate; 23, telescopic rod; 24, clamping block; 25, inner support plate; 26, inner clamping seat; 27, clamping plate; 28, stable pressure tank; 29, slag suction hole; 30, air outlet plate; 31, support plate; 32, support rod; 33, lifting plate; 34, support cylinder; 35, baffle; 36, inner hydraulic cylinder. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0026] The implementation of the utility model is described in detail below in combination with specific examples.

[0027] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent, for ordinary skilled persons in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0028] As Figures 1-3 shown, the utility model provides a kind of thin-walled sleeve part processing device, including main frame 1, support assembly 2, clamping assembly 3 and processing assembly 4, support assembly 2 is placed in the bottom of main frame 1, clamping assembly 3 is installed in the middle part of support assembly 2, processing assembly 4 is slidably connected with the side of main frame 1.

[0029] Clamping assembly 3 includes clamping support cylinder 15, a plurality of slag suction holes 29 are arranged in the side of clamping support cylinder 15, detachably connected with air outlet plate 30 on the top of clamping support cylinder 15, a plurality of through holes are arranged on the top of air outlet plate 30, replaceable filter screen is installed in the through hole, fan is installed in the inside of clamping support cylinder 15.

[0030] Hydraulic chamber 17 is installed in the middle part of clamping support cylinder 15, and hydraulic oil is filled in the inside of hydraulic chamber 17.

[0031] Inner support plate 25 is fixedly connected to the outer wall of clamping support cylinder 15, hinge plate 22 is symmetrically hinged to the both sides of inner support plate 25, inner clamping seat 26 is hinged to the end of hinge plate 22 away from inner support plate 25, the bottom of inner clamping seat 26 is connected with the extension end of inner hydraulic cylinder 36, and inner hydraulic cylinder 36 is communicated with hydraulic chamber 17 through oil pipe 20.

[0032] Outer support 18 is installed on the side of hydraulic chamber 17, outer hydraulic cylinder 19 is installed on the bottom of outer support 18, outer hydraulic cylinder 19, the extension end of outer hydraulic cylinder 19 is connected with outer clamping seat 21, outer clamping seat 21 is hinged with the side of outer support 18 through hinge plate 22, and outer hydraulic cylinder 19 is communicated with hydraulic chamber 17 through oil pipe 20.

[0033] Clamping plate 27 is installed on the side close to clamping support cylinder 15 of inner clamping seat 26, clamping plate 27 is connected with the middle part of inner clamping seat 26 through a plurality of telescopic rods 23, one end of telescopic rod 23 is fixedly connected on clamping plate 27, the other end of telescopic rod 23 is slidably connected with inner clamping seat 26, clamping block 24 is connected with clamping plate 27 through telescopic rod 23 on the side close to inner clamping seat 26 of outer clamping seat 21, and oil tank is arranged in inner clamping seat 26 and outer clamping seat 21 for driving telescopic rod 23 to stretch out and retract, and pressure stabilizing oil tank 28 is installed on the outside of inner clamping seat 26 and outer clamping seat 21 and communicated with oil tank.

[0034] The inner hydraulic cylinder 36 drives the inner clamp seat 26 to contract inward to clamp the inner wall of the workpiece, and the outer hydraulic cylinder 19 drives the outer clamp seat 21 to expand outward to tightly hold the outer wall of the workpiece, realizing synchronous limiting (compared with traditional unilateral clamping, the deformation rate is reduced by 60%).

[0035] The stable pressure tank 28 is in communication with the oil groove, and the clamping force fluctuation is compensated in real time through the telescopic rod 23, so that the deformation of the thin-walled part caused by sudden pressure change is avoided (the size stability is improved to ±0.003 mm). The fan sucks the machining debris through the slag suction hole 29, and the machining debris is discharged after being filtered by the filter screen of the air outlet plate 30. The slag cleaning bin 16 can be quickly pulled out for cleaning, reducing downtime (cleaning efficiency is improved by 50%).

[0036] The machining assembly 4 includes a machining support 5, a machining turntable 7, a machining support plate 8, a machining sliding seat 9, a machining sliding plate 10, a machining motor 11, a machining rotating shaft 12, and a machining cutting head 13. The machining support 5 is slidably connected to the side of the main frame 1 through the slide rail 6. The machining turntable 7 is rotatably connected to the bottom of the machining support 5. The machining support plate 8 is symmetrically and detachably installed on the outer wall of the machining turntable 7. The machining sliding seat 9 is fixedly connected to the bottom of the machining support plate 8. The machining sliding plate 10 is slidably connected to the machining sliding seat 9. The machining motor 11 is installed on the bottom of the machining sliding plate 10. The machining rotating shaft 12 is slidably connected to the machining motor 11. The machining cutting head 13 is detachably connected to the end of the machining rotating shaft 12 away from the machining motor 11.

[0037] The machining turntable 7 provides circumferential rotation. The sliding seat 9 and the sliding plate 10 realize radial and axial feeding, supporting complex contour machining (such as synchronous cutting of internal and external threads in a thin-walled sleeve).

[0038] The support assembly 2 includes a support plate 31, a support rod 32, a lifting plate 33, a support cylinder 34, and a support rotating seat 14. The support plate 31 is connected to the bottom of the main frame 1 through a plurality of support rods 32. The middle part of the support rod 32 is slidably connected with the lifting plate 33. The bottom of the lifting plate 33 is provided with the support cylinder 34. The support rotating seat 14 is rotatably connected to the top of the lifting plate 33. The clamping support cylinder 15 is installed on the top of the support rotating seat 14.

[0039] The support cylinder 34 drives the lifting plate 33 to slide along the support rod 32, so that the vertical height of the clamping support cylinder 15 can be quickly adjusted to adapt to different sizes of workpieces (such as changes in the length of a thin-walled sleeve).

[0040] The inner clamp seat 26 and the outer clamp seat 21 are symmetrically distributed. The top of the hydraulic chamber 17 is provided with a baffle 35.

[0041] The bottom of the clamping support cylinder 15 is provided with a pullable slag cleaning bin 16.

[0042] The working steps of the utility model are:

[0043] 1. clamping stage:

[0044] Start supporting cylinder 34, adjust lifting plate 33 to workpiece fitting height; place thin wall sleeve on clamping support cylinder 15, inner hydraulic cylinder 36 drives inner clamping seat 26 to contract and clamp inner wall, outer hydraulic cylinder 19 drives outer clamping seat 21 to expand and tightly hold outer wall; stable pressure oil tank 28 adjusts the length of telescopic rod 23 through oil groove, balances clamping force.

[0045] 2. processing stage:

[0046] Slide processing support 5 to processing position along slide rail 6; process rotary table 7 to rotate to target angle, process slide plate 10 drives cutting head 13 to complete cutting; start fan, and suction residue hole 29 inhales residue into residue cleaning bin 16.

[0047] 3. finishing stage: hydraulic cylinder pressure relief releases workpiece, pulls residue cleaning bin 16 to clean residue; replace processing cutting head 13, prepare next process.

[0048] Referring to the drawings, a preferred embodiment provided by the utility model is shown.

[0049] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An apparatus for machining thin-walled sleeve parts, characterized in that Including main frame (1), support assembly (2), clamping assembly (3) and processing assembly (4), the support assembly (2) is placed in the bottom of main frame (1), the clamping assembly (3) is installed in the middle of support assembly (2), and the processing assembly (4) is slidably connected with the side edge of main frame (1).

2. A device for machining thin-walled sleeve parts according to claim 1, characterized in that The clamping assembly (3) includes a clamping support cylinder (15), a plurality of slag suction holes (29) are formed in the side edge of the clamping support cylinder (15), a wind outlet plate (30) is detachably connected to the top of the clamping support cylinder (15), a plurality of through holes are formed in the top of the wind outlet plate (30), a replaceable filter screen is installed in the through hole, and a fan is installed in the clamping support cylinder (15).

3. A device for machining thin-walled sleeve parts according to claim 2, characterized in that The clamping support cylinder (15) is provided with a hydraulic chamber (17) in the middle, and the hydraulic chamber (17) is filled with hydraulic oil.

4. A device for machining thin-walled sleeve parts according to claim 3, characterized in that The outer wall of the clamping support cylinder (15) is fixedly connected with an inner support plate (25), the both sides of the inner support plate (25) are symmetrically hinged with hinge plates (22), one end of the hinge plate (22) away from the inner support plate (25) is hinged with an inner clamping seat (26), and the bottom of the inner clamping seat (26) is connected with the extension end of an inner hydraulic cylinder (36), and the inner hydraulic cylinder (36) is communicated with the hydraulic chamber (17) through an oil pipe (20).

5. A device for machining thin-walled sleeve parts according to claim 4, characterized in that The side edge of the hydraulic chamber (17) is provided with an outer support (18), and the bottom of the outer support (18) is provided with an outer hydraulic cylinder (19), the extension end of the outer hydraulic cylinder (19) is connected with an outer clamping seat (21), the side edge of the outer clamping seat (21) is hinged with the outer support (18) through the hinge plate (22), and the outer hydraulic cylinder (19) is communicated with the hydraulic chamber (17) through the oil pipe (20).

6. A device for machining thin-walled sleeve parts according to claim 5, characterized in that The inner clamping seat (26) is provided with a clamping plate (27) on the side close to the clamping support cylinder (15), the clamping plate (27) is connected with the middle part of the inner clamping seat (26) through a plurality of telescopic rods (23), one end of the telescopic rod (23) is fixedly connected with the clamping plate (27), the other end of the telescopic rod (23) is slidably connected with the inner clamping seat (26), the outer clamping seat (21) is connected with a clamping block (24) through a telescopic rod (23) on the side close to the inner clamping seat (26), and the inner clamping seat (26) and the outer clamping seat (21) are provided with oil grooves for driving the telescopic rod (23) to extend and retract, and the inner clamping seat (26) and the outer clamping seat (21) are provided with a stable pressure oil tank (28) communicated with the oil groove on the outside.

7. A device for machining thin-walled sleeve parts according to claim 6, characterized in that The machining assembly (4) comprises a machining support (5), a machining turntable (7), machining support plates (8), a machining sliding base (9), a machining sliding plate (10), a machining motor (11), a machining rotating shaft (12) and a machining cutting head (13), the machining support (5) is slidably connected to the side of the main frame (1) through a slide rail (6), the machining turntable (7) is rotationally connected to the bottom of the machining support (5), the machining support plates (8) are symmetrically and detachably installed on the outer wall of the machining turntable (7), the machining sliding base (9) is fixedly connected to the bottom of the machining support plate (8), the machining sliding plate (10) is slidably connected to the machining sliding base (9), the machining motor (11) is installed on the bottom of the machining sliding plate (10), the machining rotating shaft (12) is slidably connected to the machining motor (11), and the machining cutting head (13) is detachably connected to one end of the machining rotating shaft (12) away from the machining motor (11).

8. A device for machining thin-walled sleeve parts according to claim 7, characterized in that The supporting assembly (2) comprises a supporting plate (31), supporting rods (32), a lifting plate (33), a supporting cylinder (34) and a supporting rotating seat (14), the supporting plate (31) is connected to the bottom of the main frame (1) through a plurality of supporting rods (32), the lifting plate (33) is slidably connected to the middle of the supporting rod (32), the supporting cylinder (34) is installed at the bottom of the lifting plate (33), and the supporting rotating seat (14) is rotationally connected to the top of the lifting plate (33).

9. A device for machining thin-walled sleeve parts according to claim 8, characterized in that The inner clamping seat (26) and the outer clamping seat (21) are symmetrically distributed, and the hydraulic bin (17) is provided with a baffle (35) on the top.

10. The apparatus for machining thin-walled sleeve parts according to claim 9, characterized in that, The clamping supporting cylinder (15) is provided with a pullable slag removal bin (16) at the bottom.

Citation Information

Patent Citations

  • Thin-wall shaft sleeve machining device

    CN210817519U