CN215616888U - Inflating clamping assembly for grinding thin-walled circular tube - Google Patents
Inflating clamping assembly for grinding thin-walled circular tube Download PDFInfo
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- CN215616888U CN215616888U CN202120911747.8U CN202120911747U CN215616888U CN 215616888 U CN215616888 U CN 215616888U CN 202120911747 U CN202120911747 U CN 202120911747U CN 215616888 U CN215616888 U CN 215616888U
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Abstract
The utility model discloses an inflatable clamping assembly for grinding a thin-wall circular tube, which comprises a base, a fixed seat and a pneumatic telescopic rod, wherein the upper surface of the base is fixedly connected with the bottom end of the fixed seat and a fixed plate, the inner side of the fixed seat is fixedly provided with a driving part, the driving part is fixedly connected with one side of a movable plate, the other side of the movable plate is close to the upper end and the lower end and is fixedly connected with one end of a sliding rod, the periphery of the sliding rod is slidably connected and penetrates through the inner side of the fixed cylinder, the fixed cylinder is fixedly connected and penetrates through the inner side of the fixed plate, an inner shaft can be inserted into the inner side of the tube to prevent the tube from being flattened, the phenomenon that the tube cannot be accurately fixed when being flattened and deformed is avoided, the machining precision is insufficient, meanwhile, the inner shaft can play a supporting role on the tube, the tube can be prevented from being damaged when the clamping force is large, and the inner shaft is in threaded connection with a mounting bolt, can change the interior axle of different radial dimension for the tubular product of different pipe diameters, convenient to use.
Description
Technical Field
The utility model relates to the technical field of grinding, in particular to an inflatable clamping assembly for grinding a thin-wall circular tube.
Background
Grinding machines are machine tools for grinding the surface of a workpiece by using a grinding tool, most grinding machines use a grinding wheel rotating at a high speed for grinding, the grinding machines can process materials with higher hardness, such as hardened steel, hard alloy and the like, can process brittle materials, such as glass and granite, can grind with high precision and small surface roughness, can grind with high efficiency, such as strong grinding and the like, and are widely applied to various fields.
The Chinese patent with the current granted publication number of CN204710108U discloses a clamp for grinding, which comprises a bottom plate, a positioning frame, a support, an index plate fixing mechanism and a three-jaw chuck, wherein the clamp can well clamp common workpieces, but when clamping some thin-tube workpieces, in order to prevent the workpieces from deviating, the clamping force is often large, the thin-tube workpieces are easily clamped to be flat and deformed, when the thin-tube workpieces are in a flat and deformed state, the workpieces cannot be accurately fixed, the machining precision is insufficient, and when the clamping force is large, the thin-tube workpieces are even damaged by being clamped and discarded.
Therefore, an inflatable clamping assembly for grinding thin-walled circular tubes is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an inflatable clamping assembly for grinding a thin-wall round pipe, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an inflatable clamping assembly for grinding a thin-walled circular tube comprises a base, a fixed seat and a pneumatic telescopic rod, wherein the upper surface of the base is fixedly connected with the bottom end of the fixed seat and a fixed plate, and a driving part is fixedly arranged on the inner side of the fixed seat;
the driving part is fixedly connected with one side of the movable plate, the other side of the movable plate, which is close to the upper end and the lower end, is fixedly connected with one end of a sliding rod, the periphery of the sliding rod is slidably connected and penetrates through the inner side of a fixed cylinder, the fixed cylinder is fixedly connected and penetrates through the inner side of the fixed plate, the other end of the sliding rod is fixedly connected with a fixed block, and the fixed block is fixedly connected with a clamping mechanism;
preferably, the clamping member comprises a mounting screw threaded inside the inner shaft.
Preferably, the clamping mechanism further comprises a fixed rod, one end of the fixed rod is fixedly connected and penetrates through the inside of the fixed plate, the periphery of the fixed rod is slidably connected with the inner side of the movable cylinder, and the upper end surface and the lower end surface of one side, close to the fixed plate, of the movable cylinder are fixedly connected with the fixed block;
the movable cylinder is far away from a hinged support fixedly installed on the upper end face and the lower end face of one side of the fixed plate, the hinged support is hinged to one end of a movable rod, the other end of the movable rod is hinged to one end of a clamping rod, the other end of the clamping rod is hinged to a limiting seat, the back of the limiting seat is fixedly connected with a chuck, the middle of the clamping rod is hinged to two ends of a supporting rod, one side of the supporting rod is fixedly connected with the installation screw rod through a disc seat, and the other side of the supporting rod is fixedly connected with the other end of a fixing rod.
Preferably, the driving part comprises a pneumatic telescopic rod, the periphery of the pneumatic telescopic rod is communicated with the air pump through an air pipe, and the other end of the pneumatic telescopic rod is fixedly connected with the center of one side of the movable plate.
Preferably, the chucks are symmetrically arranged, semicircular grooves are formed in the inner sides of the opposite sides of the chucks, and anti-slip patterns are arranged on the inner sides of the semicircular grooves.
Preferably, the cross sections of the fixed rod and the movable cylinder are square, and the inner side of the movable cylinder is in clearance fit with the peripheral side of the fixed rod.
Preferably, one end of the inner shaft is provided with an internal thread meshed with the mounting screw, and the other end of the inner shaft is provided with cylinders with different radial sizes.
The lower fixed surface of the movable plate is fixedly connected with a limiting block, the periphery of the limiting block is connected with the inner side of a limiting groove in a sliding mode, and two ends of the limiting groove are fixedly connected with the inner sides of the fixing seat and the fixing plate and the upper surface of the base.
Compared with the prior art, the utility model has the beneficial effects that:
1. the inner shaft can be inserted into the inner side of the pipe to prevent the pipe from being flattened, so that the pipe cannot be accurately fixed when being in a flattened deformation state, the machining precision is insufficient, meanwhile, the inner shaft can support the pipe, the pipe can be prevented from being damaged by being clamped when the clamping force is high, the inner shaft is connected with the mounting bolt through threads, the inner shafts with different radial sizes can be replaced, the inner shaft is used for pipes with different pipe diameters, and the use is convenient;
2. the other end of the movable rod is hinged with the fixed seat, so that the groove in the inner side of the chuck can be fully attached to the outer side wall of the pipe, the clamping is convenient, the stress on the pipe wall is more uniform during clamping, the effect of preventing the pipe from being damaged by clamping is achieved to a certain extent, the anti-skidding patterns are arranged in the semicircular groove in the inner side of the chuck, the clamped pipe can be prevented from sliding and deviating, the clamping is more stable, the clamping accuracy is improved, and the grinding accuracy is further improved;
3. the movable plate can slide in the limiting groove along with the limiting block when moving, and the stability of the movable plate when moving can be enhanced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a clamping mechanism according to the present invention;
fig. 3 is a cross-sectional view of a fixing plate according to the present invention.
In the figure: 1. a base; 2. a drive member; 21. an air tube; 22. an air pump; 23. a pneumatic telescopic rod; 3. a movable plate; 4. a fixed seat; 5. a limiting groove; 6. a limiting block; 7. an inner shaft; 8. a clamping mechanism; 9. a fixing plate; 10. a slide bar; 11. a fixed cylinder; 12. a fixed block; 81. fixing the rod; 82. a movable barrel; 83. a movable rod; 84. a clamping bar; 85. a chuck; 86. a strut; 87. a disc base; 88. installing a screw rod; 89. a limiting seat; 810. and (4) hinging seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the device comprises a base 1, a fixed seat 4 and a pneumatic telescopic rod 23, wherein the upper surface of the base 1 is fixedly connected with the bottom end of the fixed seat 4 and a fixed plate 9, a driving part 2 is fixedly arranged on the inner side of the fixed seat 4, and a movable plate 3 can be driven to move through the driving part 2;
according to the utility model, a driving part 2 is fixedly connected with one side of a movable plate 3, the other side of the movable plate 3, which is close to the upper end and the lower end, is fixedly connected with one end of a sliding rod 10, the peripheral side of the sliding rod 10 is connected in a sliding manner and penetrates through the inner side of a fixed cylinder 11, a sliding rod 10 can slide in the inner side of the fixed cylinder 11, the fixed cylinder 11 is fixedly connected and penetrates through the inner side of a fixed plate 9, the other end of the sliding rod 10 is fixedly connected with a fixed block 12, the fixed block 12 is fixedly connected with a clamping mechanism 8, and the fixed block 12 can push the fixed block 12 to drive the clamping mechanism 8 to clamp when the sliding rod 10 slides;
the clamping part 8 comprises a mounting screw 88, the mounting screw 88 is in threaded connection with the inner side of the inner shaft 7, and the shaft 7 can be inserted into the inner side of the pipe to prevent the pipe from being flattened;
the clamping mechanism 8 also comprises a fixed rod 81, one end of the fixed rod 81 is fixedly connected and penetrates through the inside of the fixed plate 9, the peripheral side of the fixed rod 81 is connected with the inner side of the movable cylinder 82 in a sliding way, and the upper end surface and the lower end surface of one side of the movable cylinder 82, which is close to the fixed plate 9, are fixedly connected with the fixed block 12;
according to the utility model, the hinged support 810 is fixedly arranged on the upper end surface and the lower end surface of one side, far away from a fixed plate 9, of a movable cylinder 82, the hinged support 810 is hinged to one end of a movable rod 83, the other end of the movable rod 83 is hinged to one end of a clamping rod 84, the other end of the clamping rod 84 is hinged to a limiting seat 89, the limiting seat 89 is fixedly connected to the back of a chuck 85, the movable cylinder 82 can drive the movable rod 83 and the clamping rod 84 to move when moving, the chuck is driven by the limiting seat 89 to clamp a pipe, the middle part of the clamping rod 84 is hinged to the two ends of a supporting rod 86, one side of the supporting rod 86 is fixedly connected with a mounting screw rod 88 through a disc seat 87, and the other side of the supporting rod 86 is fixedly connected with the other end of a fixed rod 81;
the driving part 2 comprises a pneumatic telescopic rod 23, the peripheral side of the pneumatic telescopic rod 23 is communicated with an air pump 22 through an air pipe 21, the other end of the pneumatic telescopic rod 23 is fixedly connected with the central position of one side of the movable plate 3, the air pump 22 can control the pneumatic telescopic rod 23 to move through the air pipe 21, and the pneumatic telescopic rod 23 can drive the movable plate 34 to move;
according to the utility model, the chucks 85 are symmetrically arranged, the inner sides of the opposite sides of the chucks 85 are provided with the semicircular grooves, and the inner sides of the semicircular grooves are provided with the anti-skid patterns, so that the inner sides of the chucks 85 can be fully attached to the outer side wall of the pipe, the clamping is convenient, and the clamping is more stable;
in the utility model, the cross sections of the fixed rod 81 and the movable cylinder 82 are square, and the inner side of the movable cylinder 82 is in clearance fit with the peripheral side of the fixed rod 81 to prevent the fixed rod 81 and the movable cylinder 82 from rotating relatively;
in the utility model, one end of the inner shaft 7 is provided with an internal thread meshed with the mounting screw 88, the other end of the inner shaft 7 is provided with cylinders with different radial sizes, and a gap between the peripheral side of the inner shaft 7 and the inner side of the chuck 85 is smaller than the thickness of a pipe wall, so that the inner shaft 7 provides a supporting function for the pipe while being beneficial to clamping the pipe, prevents the pipe from being flattened, can be replaced, is used for pipes with different pipe diameters and is convenient to use;
according to the utility model, the lower surface of the movable plate 3 is fixedly connected with the limiting block 6, the periphery of the limiting block 6 is slidably connected with the inner side of the limiting groove 5, the two ends of the limiting groove 5 are fixedly connected with the inner sides of the fixed seat 4 and the fixed plate 9 and the upper surface of the base 1, and the movable plate 3 can drive the limiting block 6 to slide in the limiting groove 5, so that the stability of the movable plate 3 during sliding is improved.
The working principle is as follows: when the pneumatic telescopic rod type air pump is used, the air pump 22 can control the pneumatic telescopic rod 23 to move through the air pipe 21, the pneumatic telescopic rod 23 can drive the movable plate 34 to move, the movable plate 34 can drive the slide rod 10 to move, the slide rod 10 can slide on the inner side of the fixed cylinder 11, the fixed cylinder 11 can enhance the stability of the slide rod 10 during movement, the slide rod 10 can drive the fixed block 12 to move, the fixed block 12 can drive the movable cylinder 82 to slide on the fixed rod 81, the movable cylinder 82 can push the movable rod 83 to move, further push the chuck 85 at the end of the movable rod 84 to clamp the peripheral side of the wall of a pipe, when the pneumatic telescopic rod 23 contracts, the movable cylinder 82 pulls the movable rod 83 to move, further pulls the chuck 85 at the end of the movable rod 84 to release the peripheral side of the wall of the pipe;
the opposite side inboard of chuck 85 is equipped with semicircle form recess, and semicircle form recess inboard is equipped with anti-skidding decorative pattern, can make chuck 85 inboard fully paste tight tubular product lateral wall, be convenient for press from both sides tightly, it is more firm to make the clamp dress, the space is less than the thickness of tubular product wall between interior axle 7 week side and the chuck 85 inboard, when being favorable to pressing from both sides tight tubular product, interior axle 7 provides the supporting role for tubular product, prevent that tubular product from being pressed from both sides flat, and through threaded connection between interior axle 7 and the construction bolt 88, can change different radial dimension's interior axle 7, a tubular product for different pipe diameters, high durability and convenient use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a thin wall pipe abrasive machining's clamping subassembly that aerifys, includes base (1), fixing base (4) and pneumatic telescopic link (23), its characterized in that: the upper surface of the base (1) is fixedly connected with the bottom end of the fixed seat (4) and the fixed plate (9), and the inner side of the fixed seat (4) is fixedly provided with the driving part (2);
the driving part (2) is fixedly connected with one side of the movable plate (3), the other side of the movable plate (3) is close to the upper end and the lower end and is fixedly connected with one end of a sliding rod (10), the periphery of the sliding rod (10) is connected with the inner side of a fixed cylinder (11) in a sliding mode, the fixed cylinder (11) is fixedly connected with the inner side of the fixed plate (9), the other end of the sliding rod (10) is fixedly connected with a fixed block (12), and the fixed block (12) is fixedly connected with a clamping mechanism (8);
the clamping mechanism (8) comprises a mounting screw rod (88), and the mounting screw rod (88) is in threaded connection with the inner side of the inner shaft (7).
2. The inflatable clamping assembly for grinding of the thin-walled circular tube according to claim 1, wherein the inflatable clamping assembly comprises: the clamping mechanism (8) further comprises a fixing rod (81), one end of the fixing rod (81) is fixedly connected with the inside of the fixing plate (9) in a penetrating mode, the periphery of the fixing rod (81) is connected with the inner side of the movable cylinder (82) in a sliding mode, and the upper end face and the lower end face of one side, close to the fixing plate (9), of the movable cylinder (82) are fixedly connected with the fixing block (12);
the utility model discloses a fixed plate, including fixed plate (9), movable cylinder (82), movable rod (83) other end articulated connection clamping bar (84), spacing seat (89) are connected in the articulated connection of free bearing (810), movable rod (83) other end articulated connection clamping bar (84) one end, clamping bar (84) other end is articulated, spacing seat (89) fixed connection chuck (85) back, clamping bar (84) middle part articulated connection branch (86) both ends, branch (86) one side is through disc seat (87) fixed connection installation screw rod (88), branch (86) opposite side fixed connection dead lever (81) other end.
3. The inflatable clamping assembly for grinding of the thin-walled circular tube according to claim 1, wherein the inflatable clamping assembly comprises: the driving part (2) comprises a pneumatic telescopic rod (23), the periphery of the pneumatic telescopic rod (23) is communicated with an air pump (22) through an air pipe (21), and the other end of the pneumatic telescopic rod (23) is fixedly connected with the center of one side of the movable plate (3).
4. The inflatable clamping assembly for grinding of the thin-walled circular tube as claimed in claim 2, wherein: the clamping heads (85) are symmetrically arranged, semicircular grooves are formed in the inner sides of the opposite sides of the clamping heads (85), and anti-skidding patterns are arranged on the inner sides of the semicircular grooves.
5. The inflatable clamping assembly for grinding of the thin-walled circular tube as claimed in claim 2, wherein: the cross sections of the fixed rod (81) and the movable cylinder (82) are square, and the inner side of the movable cylinder (82) is in clearance fit with the peripheral side of the fixed rod (81).
6. The inflatable clamping assembly for grinding of the thin-walled circular tube according to claim 1, wherein the inflatable clamping assembly comprises: one end of the inner shaft (7) is provided with an internal thread meshed with the mounting screw (88), and the other end of the inner shaft (7) is provided with cylinders with different radial sizes.
7. The inflatable clamping assembly for grinding of the thin-walled circular tube according to claim 1, wherein the inflatable clamping assembly comprises: fixed surface connects stopper (6) under fly leaf (3), stopper (6) week side sliding connection spacing groove (5) are inboard, spacing groove (5) both ends fixed connection fixing base (4) and fixed plate (9) are inboard and base (1) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120911747.8U CN215616888U (en) | 2021-04-29 | 2021-04-29 | Inflating clamping assembly for grinding thin-walled circular tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120911747.8U CN215616888U (en) | 2021-04-29 | 2021-04-29 | Inflating clamping assembly for grinding thin-walled circular tube |
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| Publication Number | Publication Date |
|---|---|
| CN215616888U true CN215616888U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120911747.8U Active CN215616888U (en) | 2021-04-29 | 2021-04-29 | Inflating clamping assembly for grinding thin-walled circular tube |
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| CN (1) | CN215616888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115350853A (en) * | 2022-10-20 | 2022-11-18 | 中建安装集团黄河建设有限公司 | Rust removing and spraying device in coastal buried pipeline |
-
2021
- 2021-04-29 CN CN202120911747.8U patent/CN215616888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115350853A (en) * | 2022-10-20 | 2022-11-18 | 中建安装集团黄河建设有限公司 | Rust removing and spraying device in coastal buried pipeline |
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