CN217551847U - Clamping device for crankshaft machining - Google Patents
Clamping device for crankshaft machining Download PDFInfo
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- CN217551847U CN217551847U CN202221716141.XU CN202221716141U CN217551847U CN 217551847 U CN217551847 U CN 217551847U CN 202221716141 U CN202221716141 U CN 202221716141U CN 217551847 U CN217551847 U CN 217551847U
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Abstract
The utility model provides a clamping device for crankshaft machining, which relates to the technical field of crankshaft machining and comprises a shell, wherein a clamping rod is hinged on the inner wall of the shell and close to an opening; clamping rod, clamping rod is located the outside one end swing joint of shell and has the clamp splice, clamping rod includes the movable rod with shell articulated, the proximal department of movable rod and shell all is fixed with the magnetic path, elasticity card pearl is installed to movable rod outer wall top side, movable rod top cover is equipped with the sleeve, the bayonet socket with elasticity card pearl looks adaptation is seted up to the sleeve lateral wall, the sleeve top is connected with the arc pole, this clamping device for bent axle processing, it is rotatory to drive the screw rod through rotating the rotary disk, it can make it close up to touch panel extrusion clamping rod to control, carry out the centre gripping to the bent axle, clamping rod outside-in bends in step, the axis department that the clamping position that can guarantee the bent axle is in the shell, the area of contact of bent axle with clamping device has been increased simultaneously, do benefit to stable centre gripping effect, guarantee processingquality.
Description
Technical Field
The utility model relates to a bent axle processing technology field specifically is a clamping device is used in bent axle processing.
Background
The crankshaft is the most important component in the engine. It takes the force from the connecting rod and converts it into torque to be output by the crankshaft and drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the surface of the journal needs to be wear-resistant, work uniformly and balance well.
The clamping mechanism for machining the crankshaft of the internal combustion engine with the application number of CN202022548768.6 can clamp the crankshaft through combination of the two friction mechanisms, and meanwhile, the friction force is increased through the friction disc so as to improve the clamping stability. However, the clamping device only comprises two friction discs for clamping, the clamping position of the crankshaft needs to be specially arranged in the middle of the two friction discs during operation, the clamping operation time is prolonged, the machining efficiency is easily influenced, and if the contact position of the crankshaft and the friction mechanism is located at the edge of the friction discs, the crankshaft is easily separated from the clamping device, and the machining stability is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a clamping device is used in crankshaft machining needs to notice the clamping position of bent axle when having solved comparison file centre gripping bent axle, has increased staff's operating procedure, extension process time, otherwise influences processingquality's problem.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a clamping device for crankshaft machining, comprising:
the clamping rod is hinged to the inner wall of the shell and close to the opening;
the clamping rod is movably connected with a clamping block at one end, located outside the shell, of the clamping rod, the clamping rod comprises a movable rod hinged with the shell, magnetic blocks are fixed at positions close to the movable rod and the shell, elastic clamping beads are mounted on the top side of the outer wall of the movable rod, a sleeve is sleeved at the top of the movable rod, a bayonet matched with the elastic clamping beads is formed in the side wall of the sleeve, and an arc rod is connected to the top of the sleeve;
the inner part of the touch block is penetrated with a screw rod in threaded connection with the touch block, the touch block and the screw rod are both positioned at the axis of the shell, one end of the screw rod penetrates through the shell and is movably connected with the shell through a bearing, one end of the screw rod positioned outside the shell is connected with a rotating disk, and a handle is arranged on the rotating disk;
and the limiting rod is connected with the inner wall of the shell and is positioned on the side part of the screw rod, and the limiting rod penetrates through the contact block.
Further, the number of the clamping rods is three to eight, and the clamping rods are all bent towards the axis side of the shell.
Furthermore, an arc-shaped touch rod is fixed at one end, far away from the clamping block, of the clamping rod, the touch rod bends towards the inner wall of the shell, and the touch block is convenient to contact with the touch rod to extrude the bottom end of the clamping rod towards two sides.
Furthermore, one side of the clamping block, which is close to the axis of the shell, is in an arc shape, and one side of the clamping block, which is close to the axis of the shell, is bonded with the rubber block, so that the contact area between the clamping block and the crankshaft is increased, and the friction force between the clamping block and the crankshaft is improved.
Further, the shell is of a cylindrical structure and is located at the end part of the opening and is bent towards the axis, so that the bending degree of the clamping rod at one end outside the shell is conveniently limited, and the bottom end of the clamping rod is conveniently extruded by the contact block.
Furthermore, one end of the contact block close to the clamping block is conical.
(III) advantageous effects
The utility model provides a clamping device is used in bent axle processing. The method has the following beneficial effects:
1. this clamping device for bent axle processing drives the screw rod rotation through rotating the rotary disk, and the control is supported touch multitouch extrusion clamping rod and can be made it close up, carries out the centre gripping to the bent axle, and clamping rod outside-in turns in step can guarantee that the clamping position of bent axle is in the axis department of shell, has increased bent axle and clamping device's area of contact simultaneously, does benefit to stable centre gripping effect, guarantees processingquality.
2. This clamping device is used in bent axle processing, the arc pole can separate with the movable rod through the sleeve, is convenient for change the clamp splice that wearing and tearing are serious, also controls the clamp splice quantity with the bent axle contact when simultaneously to the centre gripping, when avoiding the small-size bent axle of centre gripping, because the more mutual conflict of clamp splice quantity leads to the unable situation emergence of closely conflicting bent axle of clamp splice.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a schematic structural view of the clamping block of the present invention.
In the figure: 1. a housing; 2. a clamping lever; 21. a movable rod; 22. an arc rod; 23. a sleeve; 24. elastic clamping beads; 3. a clamping block; 4. a magnetic block; 5. a contact block; 6. a screw; 7. rotating the disc; 8. a limiting rod; 9. against the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An embodiment of the utility model provides a clamping device is used in bent axle processing, as shown in fig. 1-2, include
Shell 1, 1 inner wall of shell and be close to that the opening part articulates there is tight pole 2 of clamp, and shell 1 is the tubular structure, and is located the curved arc of open-ended tip to axis department, is convenient for restrict the degree of turning that tight pole 2 of clamp is located the outside one end of shell 1, conveniently supports touch multitouch 5 and extrudees its bottom.
The clamping rod 2, the number of the clamping rod 2 is three to eight, the clamping rod 2 is bent towards the axis side of the shell 1, one end of the clamping rod 2, which is positioned outside the shell 1, is movably connected with a clamping block 3, the clamping block 3 which can be bent with the clamping rod 2 is convenient to cling to the outer wall of a crankshaft, so that the clamping effect is improved, one side of the clamping block 3, which is close to the axis of the shell 1, is arc-shaped, one side of the clamping block 3, which is close to the axis of the shell 1, is bonded with a rubber block, so that the contact area between the clamping block 3 and the crankshaft is convenient to increase, and the friction force between the clamping block 3 and the crankshaft is improved, the clamping rod 2 comprises a movable rod 21 hinged with the shell 1, the movable rod 21 and the shell 1 are both fixed with magnetic blocks 4, the two adjacent magnetic blocks 4 are opposite to each other, the magnetic field directions are the same, the end part of the clamping rod 2 can be opened through magnetic force, the top side of the outer wall of the movable rod 21 is provided with an elastic clamping bead 24, the elastic clamping bead 24 is embedded into the movable rod 21, the elastic clamping bead 24 consists of a clamping bead and an elastic sheet, the clamping bead can be pressed to the inner side of the movable rod 21, and then the sleeve 23 is fixed, the elastic clamping bead 24 is of an existing mature structure, particularly, the umbrella is most applicable, the top of the movable rod 21 is sleeved with the sleeve 23, the side wall of the sleeve 23 is provided with a bayonet matched with the elastic clamping bead 24, and the top of the sleeve 23 is connected with an arc rod 22;
the device comprises a contact block 5, wherein one end, close to a clamping block 3, of the contact block 5 is conical, a screw rod 6 in threaded connection with the contact block 5 penetrates through the interior of the contact block 5, the contact block 5 and the screw rod 6 are both located at the axis of a shell 1, one end of the screw rod 6 penetrates through the shell 1 and is movably connected with the screw rod through a bearing, one end, located outside the shell 1, of the screw rod 6 is connected with a rotating disc 7, and a handle is arranged on the rotating disc 7;
An arc-shaped abutting rod 9 is fixed at one end, far away from the clamping block 3, of the clamping rod 2, and the abutting rod 9 is bent towards the inner wall of the shell 1, so that the abutting block 5 is in contact with the abutting block to extrude the bottom end of the clamping rod 2 towards two sides.
When the contact block 5 does not contact with the clamping rod 2, the opening of the clamping rod 2 is opened under the action of the magnetic block 4, the crankshaft is required to be clamped, the rotating disc 7 is rotated to drive the screw rod 6 to rotate, the clamping rod 2 is extruded by the contact block 5 to be controlled to close up, the crankshaft is clamped, the clamping rod 2 is synchronously bent from outside to inside due to the fact that the quantity of the clamping rod 2 is three to eight, the clamping position of the crankshaft is ensured to be located at the axis of the shell 1, the contact area of the crankshaft and the clamping device is increased simultaneously, the clamping effect is facilitated to be stabilized, and the processing quality is ensured. Arc pole 22 can separate with movable rod 21 through sleeve 23, is convenient for change serious clamp splice 3 wearing and tearing, also controls the 3 quantity of clamp splice with the bent axle contact when avoiding the centre gripping simultaneously, when avoiding the small-size bent axle of centre gripping, because the 3 more mutual conflicts in quantity of clamp splice lead to the situation emergence of the unable closely conflict bent axle of clamp splice 3, and the practicality is better.
The working principle is as follows: when the clamping device is used, when the touch block 5 is not in contact with the clamping rod 2, the clamping rod 2 is opened under the action of the magnetic block 4, a crankshaft needs to be clamped, the rotating disk 7 is rotated to drive the screw rod 6 to rotate, the touch block 5 is controlled to extrude the clamping rod 2 to close the clamping rod, and the crankshaft is clamped. Arc pole 22 can separate with movable rod 21 through sleeve 23, is convenient for change the clamp splice 3 that wearing and tearing are serious, also controls the clamp splice 3 quantity of contact with the bent axle when simultaneously to the centre gripping, when avoiding the small-size bent axle of centre gripping, because the more mutual conflict of clamp splice 3 quantity leads to the unable situation emergence of closely conflicting bent axle of clamp splice 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a clamping device is used in bent axle processing which characterized in that includes:
the clamping device comprises a shell (1), wherein a clamping rod (2) is hinged to the inner wall of the shell (1) and is close to an opening;
the clamping device comprises a clamping rod (2), one end, located outside a shell (1), of the clamping rod (2) is movably connected with a clamping block (3), the clamping rod (2) comprises a movable rod (21) hinged to the shell (1), magnetic blocks (4) are fixed at the positions, close to the movable rod (21) and the shell (1), elastic clamping beads (24) are installed on the top side of the outer wall of the movable rod (21), a sleeve (23) is sleeved on the top of the movable rod (21), bayonets matched with the elastic clamping beads (24) are formed in the side wall of the sleeve (23), and an arc rod (22) is connected to the top of the sleeve (23);
the anti-collision device comprises an anti-collision block (5), a screw rod (6) in threaded connection with the anti-collision block (5) penetrates through the interior of the anti-collision block (5), the anti-collision block (5) and the screw rod (6) are both located at the axis of a shell (1), one end of the screw rod (6) penetrates through the shell (1) and is movably connected with the shell through a bearing, one end, located outside the shell (1), of the screw rod (6) is connected with a rotating disc (7), and a handle is arranged on the rotating disc (7);
the limiting rod (8), limiting rod (8) and shell (1) inner wall connection are located screw rod (6) lateral part, and limiting rod (8) run through contact block (5).
2. The clamping device for crankshaft machining according to claim 1, characterized in that: the number of the clamping rods (2) is three to eight, and the clamping rods (2) are bent towards the axis side of the shell (1).
3. The clamping device for crankshaft machining according to claim 1, characterized in that: an arc-shaped abutting rod (9) is fixed at one end of the clamping rod (2) far away from the clamping block (3).
4. The clamping device for crankshaft machining according to claim 1, characterized in that: one side of the clamping block (3) close to the axis of the shell (1) is arc-shaped.
5. The clamping device for crankshaft machining according to claim 1, characterized in that: the shell (1) is of a cylindrical structure and is positioned at the end part of the opening and is bent towards the axis.
6. The clamping device for crankshaft machining according to claim 1, characterized in that: one end of the contact block (5) close to the clamping block (3) is conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221716141.XU CN217551847U (en) | 2022-07-04 | 2022-07-04 | Clamping device for crankshaft machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221716141.XU CN217551847U (en) | 2022-07-04 | 2022-07-04 | Clamping device for crankshaft machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217551847U true CN217551847U (en) | 2022-10-11 |
Family
ID=83505184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221716141.XU Active CN217551847U (en) | 2022-07-04 | 2022-07-04 | Clamping device for crankshaft machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217551847U (en) |
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2022
- 2022-07-04 CN CN202221716141.XU patent/CN217551847U/en active Active
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