Ring piece machining clamping tool
By combining the clamping bracket and the pneumatic system, stable clamping and non-flipping machining of the inner wall of the ring are achieved, solving the problem of flipping clamping in the existing technology and improving machining efficiency and machining quality of the ring.
Patent Information
- Application Number
- CN202520505870.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-21
AI Technical Summary
In the existing technology, thin-walled annular workpieces need to be flipped and clamped a second time during the deburring and polishing of the inner diameter, which leads to discontinuous processing and may cause workpiece deformation.
The clamping mechanism includes a clamping bracket, a telescopic electric cylinder, a clamping arc plate, a high-pressure airbag, and a pneumatic system. By inflating the airbag to clamp the ring, the inner wall of the ring can be machined in all directions without flipping, thus preventing workpiece deformation.
It achieves stable clamping of the inner wall of the ring and improves processing efficiency, avoids workpiece wear and deformation, and simplifies the processing flow.
Smart Images

Figure CN223863364U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ring piece machining technical field especially relates to a ring piece machining clamping tool. BACKGROUND
[0002] At present, thin-walled annular workpiece is the most common part in mechanical industry, has the characteristics such as light weight, material saving and compact structure, its processing method usually adopts rough machining and finish machining, adopts aging treatment after rough machining, eliminates the internal stress of workpiece, then adopts soft jaw clamping when finish machining, the existing auxiliary tooling cannot effectively avoid the deformation of thin-walled annular workpiece in the machining process.
[0003] The prior art CN116852141A provides an auxiliary tooling for fixing annular workpiece, including the auxiliary tooling for clamping annular workpiece, the auxiliary tooling includes base, the base is equipped with sliding slot along radial direction, the sliding slot is slidably connected with inner clamping block and outer clamping block, the side of outer clamping block is equipped with recess surface and annular workpiece is contacted, the end of inner clamping block is slidably connected with fixed block, the end of fixed block is equipped with convex surface and annular workpiece is contacted, the first spring is arranged between fixed block and inner clamping block, the bottom of inner clamping block and outer clamping block is equipped with inner guide rod and outer guide rod respectively, the base is equipped with driving device, the driving device simultaneously drives inner guide rod and outer guide rod reverse sliding until inner clamping block and outer clamping block and annular workpiece are contacted.
[0004] But in the deburring and polishing process of the inner diameter of annular workpiece in the prior art, the annular workpiece needs to be clamped twice after turning over to complete the whole processing of the annular workpiece. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of ring piece machining clamping tool, to solve the technical problem that the whole processing of annular workpiece is completed by twice clamping after turning over in the deburring and polishing process of the inner diameter of annular workpiece in the prior art.
[0006] To achieve the above object, the utility model discloses a kind of ring piece machining clamping tool, including base, still including clamping mechanism, the clamping mechanism includes clamping support, first telescopic electric cylinder, clamping arc piece, high-pressure gas bag, air inlet and exhaust nozzle, the quantity of the clamping support is two groups, two groups The clamping support is fixedly connected with the base respectively, and is located at the upper end of the base respectively, the quantity of the first telescopic electric cylinder is two groups, each The first telescopic electric cylinder is fixedly connected with corresponding clamping support respectively, and is located at the side of corresponding clamping support, the quantity of the clamping arc piece is two groups, each The clamping arc piece is fixedly connected with the output end of corresponding first telescopic electric cylinder respectively, and is located at one end of corresponding first telescopic electric cylinder, the quantity of the high-pressure gas bag is two groups, each The high-pressure gas bag is fixedly connected with corresponding clamping arc piece respectively, and is located at the inner side of corresponding clamping arc piece, the quantity of the air inlet is two groups, each The air inlet is communicated with corresponding high-pressure gas bag respectively, and is located at the side of corresponding high-pressure gas bag, and each The air inlet is respectively penetrated through corresponding clamping arc piece, the quantity of the exhaust nozzle is two groups, each The exhaust nozzle is communicated with corresponding high-pressure gas bag respectively, and is located at the side of corresponding high-pressure gas bag, and each The exhaust nozzle is respectively penetrated through corresponding clamping arc piece.
[0007] Wherein, each group of clamping support includes support, angle motor and mounting plate, the support is fixedly connected with the base, and is located at the upper end of the base, the angle motor is fixedly connected with the support, and is located at the side of the support, and the output end of the angle motor is penetrated through the support, the mounting plate is fixedly connected with the output end of the angle motor, and is located at one end of the angle motor.
[0008] Wherein, the support includes lower strut, upper strut and second telescopic electric cylinder, the second telescopic electric cylinder is fixedly connected with the lower strut, and is located at the upper end of the lower strut, the upper strut is fixedly connected with the output end of the second telescopic electric cylinder, and is located at the upper end of the second telescopic electric cylinder.
[0009] Wherein, the clamping mechanism further includes anti-skid strip, the quantity of the anti-skid strip is multiple groups, each The anti-skid strip is fixedly connected with corresponding high-pressure gas bag respectively, and is located at the side of corresponding high-pressure gas bag.
[0010] Wherein, the ring piece machining clamping tool further includes mounting support plate, the quantity of the mounting support plate is two groups, two groups The mounting support plate is fixedly connected with the base respectively, and is located at the upper end of the base.
[0011] This utility model discloses a clamping fixture for machining a ring. The base secures the clamping brackets, and two sets of clamping brackets respectively secure the first telescopic electric cylinder. The first telescopic electric cylinder mounts the clamping arc plate, which in turn mounts the high-pressure airbag. The air inlet is connected to an external air pump, and the exhaust port is connected to an external vacuum pump. During clamping, the ring is placed between the two sets of clamping arc plates, and the two sets of first telescopic electric cylinders are driven to extend, causing the two sets of clamping arc plates to merge and position the ring. Inside the two sets of clamping arc plates, air is simultaneously injected into the high-pressure airbag through the air inlet, causing the high-pressure airbag to expand and completely fill the gap between the outer wall of the ring and the inner wall of the clamping arc plate. This ensures that the ring is stably clamped inside the clamping arc plate. With this structure, the inner wall of the ring can be fully processed without rotating the ring during installation. Furthermore, no scratches are left on the outer wall of the ring during clamping, improving the processing efficiency of the inner wall of the ring and effectively preventing wear on the ring during processing. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Fig. 1 This is a schematic diagram of the structure of a clamping fixture for machining ring parts according to this utility model.
[0014] Fig. 2 This is a front view of a clamping fixture for machining ring parts according to this utility model.
[0015] Fig. 3 This is a side view of a clamping fixture for machining ring parts according to this utility model.
[0016] 101-Base, 102-First telescopic electric cylinder, 103-Clamping arc plate, 104-High-pressure airbag, 105-Air inlet, 106-Exhaust nozzle, 107-Angle motor, 108-Mounting plate, 109-Lower support column, 110-Upper support column, 111-Second telescopic electric cylinder, 112-Anti-slip strip, 113-Mounting support plate. Detailed Implementation
[0017] Please see Figs. 1 to 3This utility model provides a clamping fixture for machining ring parts, including a base 101 and a clamping mechanism. The clamping mechanism includes a clamping bracket, a first telescopic electric cylinder 102, a clamping arc plate 103, a high-pressure airbag 104, an air inlet 105, and an exhaust port 106. There are two sets of clamping brackets, each fixedly connected to the base 101 and located at the upper end of the base 101. There are two sets of first telescopic electric cylinders 102, each fixedly connected to a corresponding clamping bracket and located on one side of the corresponding clamping bracket. There are two sets of clamping arc plates 103, each fixedly connected to the output end of a corresponding first telescopic electric cylinder 102 and located on the corresponding side of the first telescopic electric cylinder 102. At one end of the first telescopic electric cylinder 102, there are two sets of high-pressure airbags 104. Each set of high-pressure airbags 104 is fixedly connected to the corresponding clamping arc plate 103 and is located on the inner side of the corresponding clamping arc plate 103. There are two sets of air inlets 105. Each set of air inlets 105 is connected to the corresponding high-pressure airbag 104 and is located on one side of the corresponding high-pressure airbag 104. Each set of air inlets 105 passes through the corresponding clamping arc plate 103. There are two sets of exhaust nozzles 106. Each set of exhaust nozzles 106 is connected to the corresponding high-pressure airbag 104 and is located on one side of the corresponding high-pressure airbag 104. Each set of exhaust nozzles 106 passes through the corresponding clamping arc plate 103.
[0018] In this embodiment, the base 101 installs and fixes the clamping bracket, and the two sets of clamping brackets respectively install and fix the first telescopic electric cylinder 102. The first telescopic electric cylinder 102 installs the clamping arc plate 103, and the clamping arc plate 103 installs and fixes the high-pressure airbag 104. The air inlet 105 is connected to an external air pump, and the exhaust port 106 is connected to an external vacuum pump. During clamping, the ring is placed between the two sets of clamping arc plates 103, and the two sets of first telescopic electric cylinders 102 are driven to extend, so that the two sets of clamping arc plates 103 are merged and the ring is placed inside the two sets of clamping arc plates 103. At the same time, air is injected into the high-pressure airbag 104 through the air inlet 105, so that the high-pressure airbag 104 expands and fills the gap between the outer wall of the ring and the inner wall of the clamping arc plate 103, so that the ring is stably clamped inside the clamping arc plate 103.
[0019] Furthermore, each set of clamping brackets includes a bracket, an angle motor 107, and a mounting plate 108. The bracket is fixedly connected to the base 101 and located at the upper end of the base 101. The angle motor 107 is fixedly connected to the bracket and located on one side of the bracket. The output end of the angle motor 107 passes through the bracket. The mounting plate 108 is fixedly connected to the output end of the angle motor 107 and located at one end of the angle motor 107.
[0020] In this embodiment, the bracket supports and fixes the angle motor 107, and the output end of the angle motor 107 is provided with the mounting plate 108. The mounting plate 108 is used to install and fix the first telescopic electric cylinder 102. The angle motor 107 drives and controls the mounting plate 108, so that after clamping the ring, the ring can be driven to rotate 180°, which facilitates the processing of the inner wall of the ring.
[0021] Furthermore, the support includes a lower support column 109, an upper support column 110, and a second telescopic electric cylinder 111. The second telescopic electric cylinder 111 is fixedly connected to the lower support column 109 and is located at the upper end of the lower support column 109. The upper support column 110 is fixedly connected to the output end of the second telescopic electric cylinder 111 and is located at the upper end of the second telescopic electric cylinder 111.
[0022] In this embodiment, the lower support column 109 supports the second telescopic electric cylinder 111, the second telescopic electric cylinder 111 supports the upper support column 110, the upper support column 110 is equipped with the angle motor 107, and the height of the upper support column 110 can be controlled by the second telescopic electric cylinder 111, thereby adjusting the height of the ring clamped.
[0023] Furthermore, the clamping mechanism also includes anti-slip strips 112, and there are multiple sets of anti-slip strips 112. Each set of anti-slip strips 112 is fixedly connected to the corresponding high-pressure airbag 104 and is located on one side of the corresponding high-pressure airbag 104.
[0024] In this embodiment, when the high-pressure airbag 104 is inflated and squeezes the ring, the friction between the high-pressure airbag 104 and the outer wall of the ring can be increased by the multiple sets of anti-slip strips 112, thereby achieving an effective anti-slip effect.
[0025] Furthermore, the ring machining clamping fixture also includes mounting support plates 113. There are two sets of mounting support plates 113, which are fixedly connected to the base 101 and located at the upper end of the base 101 respectively.
[0026] In this embodiment, the base 101 is supported by two sets of mounting plates 113. The two sets of mounting plates 113 are placed at the lower end of the base 101 to facilitate the installation and fixation of the base 101.
[0027] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.
Claims
1. A clamping fixture for machining ring parts, comprising a base, characterized in that, It also includes a clamping mechanism; The clamping mechanism includes clamping brackets, first telescopic electric cylinders, clamping arc plates, high-pressure airbags, air inlets, and exhaust outlets. There are two sets of clamping brackets, each fixedly connected to the base and located at the upper end of the base. There are also two sets of first telescopic electric cylinders, each fixedly connected to a corresponding clamping bracket and located on one side of the bracket. Finally, there are two sets of clamping arc plates, each fixedly connected to the output end of a corresponding first telescopic electric cylinder and located on one side of the cylinder. At the end, there are two sets of high-pressure airbags, each set of high-pressure airbags is fixedly connected to the corresponding clamping arc plate and is located on the inner side of the corresponding clamping arc plate. There are two sets of air inlets, each set of air inlets is connected to the corresponding high-pressure airbag and is located on one side of the corresponding high-pressure airbag, and each set of air inlets passes through the corresponding clamping arc plate. There are two sets of exhaust nozzles, each set of exhaust nozzles is connected to the corresponding high-pressure airbag and is located on one side of the corresponding high-pressure airbag, and each set of exhaust nozzles passes through the corresponding clamping arc plate.
2. The ring machining clamping fixture as described in claim 1, characterized in that, Each set of clamping brackets includes a bracket, an angle motor, and a mounting plate. The bracket is fixedly connected to the base and located at the upper end of the base. The angle motor is fixedly connected to the bracket and located on one side of the bracket, with the output end of the angle motor passing through the bracket. The mounting plate is fixedly connected to the output end of the angle motor and located at one end of the angle motor.
3. The ring machining clamping fixture as described in claim 2, characterized in that, The support includes a lower support column, an upper support column, and a second telescopic electric cylinder. The second telescopic electric cylinder is fixedly connected to the lower support column and is located at the upper end of the lower support column. The upper support column is fixedly connected to the output end of the second telescopic electric cylinder and is located at the upper end of the second telescopic electric cylinder.
4. The ring machining clamping fixture as described in claim 1, characterized in that, The clamping mechanism also includes anti-slip strips, and there are multiple sets of anti-slip strips. Each set of anti-slip strips is fixedly connected to the corresponding high-pressure airbag and is located on one side of the corresponding high-pressure airbag.
5. The ring machining clamping fixture as described in claim 1, characterized in that, The ring machining clamping fixture also includes mounting plates. There are two sets of mounting plates, which are fixedly connected to the base and located at the upper end of the base.
Citation Information
Patent Citations
Auxiliary tool convenient for fixing annular workpiece
CN116852141A