CN215393892U - Direction-adjustable mechanical clamp for machining - Google Patents
Direction-adjustable mechanical clamp for machining Download PDFInfo
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- CN215393892U CN215393892U CN202121584749.7U CN202121584749U CN215393892U CN 215393892 U CN215393892 U CN 215393892U CN 202121584749 U CN202121584749 U CN 202121584749U CN 215393892 U CN215393892 U CN 215393892U
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Abstract
A direction-adjustable mechanical fixture for machining is characterized in that a box body and a fixed plate are connected to the upper surface of a workbench, an inner thread groove is formed in the side surface of the fixed plate, a threaded rod is in threaded connection with the groove wall of the inner thread groove, a rotating plate is fixedly connected to the right end of the threaded rod, a first clamping plate is rotatably connected to the left end of the threaded rod in a fixed-axis mode, a gear is fixedly connected to a driving portion of a rotating driving source, a supporting rod is fixedly connected to the side wall of the box body, a sliding groove for a sliding rod to penetrate through and to be in sliding connection with is formed in the side surface of a toothed block, a first spring is wound on the surface of the sliding rod, two ends of the first spring are fixedly connected to the right side of the toothed block and the left side of a rack plate respectively, a moving groove is formed in the right side of the rack plate, a connecting rod is in sliding connection with the groove wall of the moving groove, a second spring is wound on the surface of the connecting rod, two ends of the second spring are fixedly connected with the right side of the rack plate and the left side of the second clamping plate respectively, and the effect of the clamped object can be adapted to the length of the clamped object through the mutual matching of a clamping mechanism and the first clamping plate, the problem of centre gripping effect singleness is solved.
Description
Technical Field
The utility model relates to a mechanical clamp, in particular to a direction-adjustable mechanical clamp for machining, and belongs to the technical field of automatic clamping.
Background
Machining refers to a process of changing the outer dimensions or properties of a workpiece by a mechanical device, and is classified into cutting and pressing according to differences in machining modes, and a machine production process refers to an overall process of producing a product from raw materials.
The traditional mechanical clamp can only work on a single target, cannot adjust the clamping of objects with different lengths, and has a single clamping effect.
Disclosure of Invention
The utility model aims to provide a direction-adjustable mechanical clamp for machining, wherein a clamping mechanism and a clamping plate I are matched with each other to adapt to the length effect of a clamped object, and the problems that the traditional mechanical clamp only can work on a single target, cannot be adjusted to adapt to clamping of objects with different lengths, and is single in clamping effect are solved.
In order to achieve the purpose, the utility model provides a direction-adjustable mechanical fixture for machining, which comprises a workbench, wherein a box body and a fixed plate are connected to the upper surface of the workbench, an inner thread groove is formed in the side surface of the fixed plate, a threaded rod is in threaded connection with the groove wall of the inner thread groove, a rotating plate is fixedly connected to the right end of the threaded rod, a first clamping plate is in fixed-axis rotating connection with the left end of the threaded rod, the mechanical fixture further comprises a clamping mechanism formed by matching with the first clamping plate, the clamping mechanism comprises a rotating driving source fixedly connected to the upper surface of the workbench, a gear is fixedly connected to a driving part of the rotating driving source, a supporting rod is fixedly connected to the side wall of the box body, a tooth block and a rack plate are sleeved on the surface of the supporting rod, the tooth surface of the rack plate is meshed with the tooth surface of the gear, a sliding groove for the sliding connection of a sliding rod to pass through the tooth block is formed in the side surface of the tooth block, and the right end of the sliding rod is fixedly connected with the left side of the rack plate, the surface winding of slide bar has spring one, the both ends of spring one respectively with the right side of rack piece and the left side fixed connection of rack board, and the shifting chute is seted up on the right side of rack board, the cell wall sliding connection connecting rod of shifting chute, logical groove is seted up on the right side of box, the right-hand member of connecting rod passes logical groove fixed connection splint two, the surface winding of connecting rod has spring two, the both ends of spring two respectively with the right side of rack board and the left side fixed connection of splint two.
As a further improvement of the utility model, the utility model also comprises a force-dividing mechanism for preventing the rotary driving source from being damaged due to the long-time clamping acting force, wherein the force-dividing mechanism comprises a T-shaped groove, the T-shaped groove is arranged in the rack plate, the transverse groove wall of the T-shaped groove is in sliding connection with the first abutting rod, the left end of the first abutting rod is fixedly connected with the right side of the tooth block, the vertical groove wall of the T-shaped groove is in sliding connection with the second abutting rod, the upper wall of the box body is provided with a clamping groove, and the force-dividing mechanism also comprises a resetting mechanism for helping the second abutting rod to reset.
As a further improvement of the utility model, the reset mechanism comprises a connecting plate, the right side of the second abutting rod is fixedly connected with the connecting plate, the lower surface of the connecting plate is fixedly connected with a third spring, and the lower end of the third spring is fixedly connected with the upper surface of the rack plate.
As a further improvement of the utility model, the opposite ends of the first abutting rod and the second abutting rod are provided with inclined planes.
As a further improvement of the present invention, the rotation driving source is a motor, and the motor is a servo motor.
Compared with the prior art, the method has the advantages that the object to be processed is placed on the workbench, the rotating plate is rotated according to the length of the object, the rotating plate rotates to drive the threaded rod to rotate and move leftwards under the action of the internal thread groove, the threaded rod moves leftwards to drive the clamping plate I to move leftwards, and when the clamping plate I moves to be proper and forms a clamping effect with the clamping mechanism, the rotating plate is stopped to rotate, so that the effect of adapting to the length of the object by adjusting the clamping plate I and the auxiliary clamping mechanism and clamping the objects with different lengths is achieved; after the first clamping plate is adjusted, the motor is started, the motor driving shaft rotates to drive the rack plate to move rightwards, the rack plate moves rightwards to drive the first spring and the second spring to move rightwards, the first spring drives the tooth block to move rightwards, the second spring extrudes the second clamping plate to move rightwards, when the rack plate is separated from the gear, the gear is meshed with the tooth block and stops rotating, the second clamping plate extrudes the second spring, the second spring extrudes the rack plate, the rack plate extrudes the gear to enable the whole to be stable, the clamping force formed by the second clamping plate and the first clamping plate can clamp an article as shown in figure 3, and the effect that the article is clamped by a worker to do work conveniently is achieved; when the tooth surface of the rack plate is separated from the tooth surface of the gear, the rack plate can convey the second abutting rod to the lower part of the clamping groove, the tooth block moves rightwards after the tooth block is meshed with the gear, the tooth block moves rightwards to drive the first abutting rod to move rightwards, the second abutting rod can be abutted out from the vertical groove of the T-shaped groove in the rightwards moving process of the first abutting rod, the abutted second abutting rod firstly approaches the right wall of the clamping groove due to the inertia of the rack plate, then the rack plate is extruded due to the thrust of the spring to the rack plate, the rack plate drives the second abutting rod to abut against the left wall of the clamping groove in the extruding mode, and when the second abutting rod abuts against the left wall of the clamping groove, the thrust of the spring to the rack plate falls on the second abutting rod, so that the second abutting rod cannot fall off against the left wall of the clamping groove, the effect of preventing the motor driving shaft from being damaged by extrusion force for a long time and prolonging the service life of the motor driving shaft is achieved; when the utility model needs to be reset, the rotating plate is reversed to drive the threaded rod to be reversed and move rightwards, the threaded rod is reversed and moves rightwards to drive the clamping plate to move rightwards, so that the clamping plate I is separated from clamping the article, the extrusion force of the spring to the rack plates is reduced after the clamping plate I is loosened, the resisting rod II is separated from the clamping groove, the motor is started to rotate reversely, the gear is driven to rotate reversely by the motor, the gear drives the gear block to move leftwards, the gear block moves leftwards to drive the spring I to move leftwards, the spring I moves leftwards to drive the rack plate to move leftwards and to be meshed with the gear again, the gear block is reset under the action of the spring I, the gear block is reset to drive the abutting rod I to reset, the abutting rod I does not abut against the abutting rod II, the abutting rod II resets under the action of the connecting plate and the spring III, when the rack plate moves to the initial position, the motor stops completing the reset, and the effect that the device can be reset and reused is achieved.
Drawings
FIG. 1 is an isometric view of a structure of the present invention;
FIG. 2 is a schematic view of a first state structure of the present invention and is taken as a front view;
FIG. 3 is a diagram illustrating a second state of the present invention;
FIG. 4 is a view showing a third state of the present invention;
fig. 5 is an enlarged view of the structure at a in fig. 2.
In the figure: 1. the device comprises a workbench, 2, a box body, 3, a fixing plate, 4, a threaded rod, 5, a rotating plate, 6, a first clamping plate, 7, a motor, 8, a gear, 9, a supporting rod, 11, a rack plate, 12, a sliding rod, 13, a T-shaped groove, 14, a first spring, 15, a tooth block, 16, a connecting rod, 17, a second clamping plate, 18, a second spring, 19, a first abutting rod, 20, a second abutting rod, 21, a clamping groove, 22, a connecting plate, 23 and a third spring.
Detailed Description
The present invention will be further described with reference to the drawings (the front, back, and left-right directions in the following description are the same as those in fig. 1, but are for describing the present invention).
As shown in fig. 1 to 5, a direction-adjustable mechanical fixture for machining includes a worktable 1, a box 2 and a fixed plate 3 are connected to the upper surface of the worktable 1, an inner thread groove is formed on the side surface of the fixed plate 3, a groove wall thread of the inner thread groove is connected with a threaded rod 4, a right end of the threaded rod 4 is fixedly connected with a rotating plate 5, a left end of the threaded rod 4 is fixedly connected with a first clamping plate 6 in a fixed-axis rotating manner, and the fixture further includes a clamping mechanism formed by matching with the first clamping plate 6, the clamping mechanism includes a rotating drive source fixedly connected to the upper surface of the worktable 1, a drive part of the rotating drive source is fixedly connected with a gear 8, a side wall of the box 2 is fixedly connected with a support rod 9, a tooth block 15 and a rack plate 11 are sleeved on the surface of the support rod 9, the tooth surface of the rack plate 11 is engaged with the tooth surface of the gear 8, a sliding groove for a sliding connection of a sliding rod 12 to pass through is formed on the side surface of the tooth block 15, the right end of a sliding rod 12 is fixedly connected with the left side of a rack plate 11, a first spring 14 is wound on the surface of the sliding rod 12, two ends of the first spring 14 are fixedly connected with the right side of a toothed block 15 and the left side of the rack plate 11 respectively, a moving groove is formed in the right side of the rack plate 11, a groove wall of the moving groove is connected with a connecting rod 16 in a sliding mode, a through groove is formed in the right side of a box body 2, the right end of the connecting rod 16 penetrates through the through groove to be fixedly connected with a second clamping plate 17, a second spring 18 is wound on the surface of the connecting rod 16, two ends of the second spring 18 are fixedly connected with the right side of the rack plate 11 and the left side of the second clamping plate 17 respectively, an article to be processed is placed on a workbench 1 firstly, then the rotating plate 5 is rotated according to the length of the article, the rotating plate 5 rotates to drive a threaded rod 4 to rotate and moves leftwards under the action of the internal threaded groove, the threaded rod 4 moves leftwards to drive the first clamping plate 6 to move leftwards, when the first clamping plate 6 moves to form a clamping effect with a clamping mechanism, the auxiliary clamping mechanism of the first clamping plate 6 is adjusted to adapt to the length of an object, the first clamping plate 6 is adjusted to start the rotary driving source, the driving part of the rotary driving source rotates to drive the rack plate 11 to move rightwards, the rack plate 11 moves rightwards to drive the first spring 14 and the second spring 18 to move rightwards, the first spring 14 drives the tooth block 15 to move rightwards, the second spring 18 extrudes the second clamping plate 17 to move rightwards, when the rack plate 11 is separated from the gear 8, the gear 8 is meshed with the tooth block 15 and stops rotating, the second clamping plate 17 extrudes the second spring 18, the second spring 18 extrudes the rack plate 11, the rack plate 11 extrudes the gear 8 to enable the whole to be stable, the clamping force formed by the second clamping plate 17 and the first clamping plate 6 can clamp the object as shown in figure 1, and the object can be clamped conveniently to be worked by workers.
The clamping device also comprises a force distribution mechanism for preventing the rotary driving source from being damaged due to the clamping acting force for a long time, and the force distribution mechanism can effectively prevent the rotary driving source from being damaged due to the clamping acting force for a long time; the force component mechanism comprises a T-shaped groove 13, the T-shaped groove 13 is arranged in a rack plate 11, the transverse groove wall of the T-shaped groove 13 is connected with a first abutting rod 19 in a sliding mode, the left end of the first abutting rod 19 is fixedly connected with the right side of a toothed block 15, the vertical groove wall of the T-shaped groove 13 is connected with a second abutting rod 20 in a sliding mode, a clamping groove 21 is formed in the upper wall of a box body 2, the force component mechanism further comprises a reset mechanism for assisting the second abutting rod 20 to reset, when the tooth surface of the rack plate 11 is separated from the tooth surface of a gear 8, the rack plate 11 can convey the second abutting rod 20 to the lower side of the clamping groove 21, the toothed block 15 is meshed with the gear 8, then the toothed block 15 moves rightwards, the first abutting rod 19 moves rightwards, the second abutting rod 20 can be abutted from the vertical groove of the T-shaped groove 13 in the process that the first abutting rod 19 moves rightwards, the second abutting rod 20 abutted first approaches the right wall of the clamping groove 21 due to the inertia of the rack plate 11, then due to the thrust of the second spring 18 to the rack plate 11, the rack plate 11 is extruded, the rack plate 11 drives the second abutting rod 20 to abut against the left wall of the clamping groove 21, and when the second abutting rod 20 abuts against the left wall of the clamping groove 21, the second spring 18 pushes the rack plate 11 to fall on the second abutting rod 20, so that the second abutting rod 20 abuts against the left wall of the clamping groove 21 and cannot fall down, and the effects of preventing the driving shaft of the motor 7 from being worn by extrusion force for a long time and prolonging the service life of the driving shaft are achieved.
The reset mechanism comprises a connecting plate 22, the right side of the abutting rod II 20 is fixedly connected with the connecting plate 22, the lower surface of the connecting plate 22 is fixedly connected with a spring III 23, the lower end of the spring III 23 is fixedly connected with the upper surface of the rack plate 11, when the reset is needed, the rotating plate 5 is reversed to drive the threaded rod 4 to be reversed and move rightwards, the threaded rod 4 is reversed and move rightwards to drive the clamping plate I6 to move rightwards, so that the clamping plate I6 is separated from an object, the extrusion force of the spring II 18 on the rack plate 11 is reduced after the clamping plate I6 is loosened, the abutting rod II 20 is separated from the clamping groove 21, the starting motor 7 is reversed, the motor 7 is reversed to drive the gear 8 to be reversed, the gear 8 is reversed to drive the gear block 15 to move leftwards, the gear block 15 moves leftwards to drive the spring I14 to move leftwards, the spring I14 moves leftwards to drive the rack plate 11 to move leftwards to be meshed with the gear 8 again, and the gear block 15 is reset under the action of the spring I14, the tooth block 15 resets to drive the first abutting rod 19 to reset, the first abutting rod 19 does not abut against the second abutting rod 20, the second abutting rod 20 resets under the action of the connecting plate 22 and the third spring 23, and when the rack plate 11 moves to the initial position, the motor 7 stops completing resetting, so that the effects of resetting and reusing the device are achieved.
The opposite ends of the first abutting rod 19 and the second abutting rod 20 are provided with inclined planes, and the inclined planes are arranged at the opposite ends of the first abutting rod 19 and the second abutting rod 20, so that the effect of preventing the first abutting rod 19 from being clamped when abutting against the second abutting rod 20 is achieved.
The rotation driving source is motor 7, and this motor 7 is servo motor, and through setting up the rotation driving source for motor 7, this motor 7 is servo motor, has reached and has carried the effect of good driving source altogether for gear 8.
The working principle is as follows: when the clamping device is used, an article to be processed is placed on the workbench 1, then the rotating plate 5 is rotated according to the length of the article, the rotating plate 5 rotates to drive the threaded rod 4 to rotate and move leftwards under the action of the internal thread groove, the threaded rod 4 moves leftwards to drive the clamping plate I6 to move leftwards, when the clamping plate I6 moves to be proper and forms a clamping effect with the clamping mechanism, the rotating plate 5 stops rotating, and the effects that the clamping mechanism is assisted to adapt to the length of the article through adjusting the clamping plate I6 and the articles with different lengths can be clamped are achieved;
after the clamping plate I6 is adjusted, the motor 7 is started, a driving shaft of the motor 7 rotates to drive the rack plate 11 to move rightwards, the rack plate 11 moves rightwards to drive the spring I14 and the spring II 18 to move rightwards, the spring I14 drives the tooth block 15 to move rightwards, the spring II 18 extrudes the clamping plate II 17 to move rightwards, when the rack plate 11 is separated from the gear 8, the gear 8 is meshed with the tooth block 15 and stops rotating, the spring II 17 extrudes the spring II 18, the spring II 18 extrudes the rack plate 11, the rack plate 11 extrudes the gear 8 to enable the whole body to be stable, the clamping force formed by the clamping plate II 17 and the clamping plate I6 can clamp an article as shown in figure 1, and the effect that the article is clamped and a worker can conveniently work on the article is achieved.
When the tooth surface of the rack plate 11 is separated from the tooth surface of the gear 8, the rack plate 11 can convey the second abutting rod 20 to the lower part of the clamping groove 21, the tooth block 15 moves rightwards after the tooth block 15 is meshed with the gear 8, the tooth block 15 moves rightwards to drive the first abutting rod 19 to move rightwards, the second abutting rod 20 can abut out of the vertical groove of the T-shaped groove 13 in the process that the first abutting rod 19 moves rightwards, the abutted second abutting rod 20 firstly approaches the right wall of the clamping groove 21 due to the inertia of the rack plate 11, then the rack plate 11 is extruded due to the thrust of the second spring 18 to the rack plate 11, the rack plate 11 extrudes the second abutting rod 20 to press the left wall of the clamping groove 21, the second abutting rod 20 pushes the second spring 18 to drop on the second abutting rod 20 when abutting against the left wall of the clamping groove 21, and the purpose of preventing the driving shaft 7 from being damaged due to long-term is achieved, the effect of increasing the service life thereof.
When the return is needed, the rotating plate 5 is reversed to drive the threaded rod 4 to be reversed and move rightwards, the threaded rod 4 is reversed and move rightwards to drive the clamping plate 6 to move rightwards, the clamping plate 6 is separated from clamping an article, the extrusion force of the spring II 18 on the rack plate 11 is reduced after the clamping plate 6 is loosened, the abutting rod II 20 is separated from the clamping groove 21, the starting motor 7 is started to reverse, the motor 7 is reversed to drive the gear 8 to reverse, the gear 8 is reversed to drive the tooth block 15 to move leftwards, the tooth block 15 moves leftwards to drive the spring I14 to move leftwards, the spring I14 moves leftwards to drive the rack plate 11 to move leftwards and is meshed with the gear 8 again, the tooth block 15 is reset under the action of the spring I14, the tooth block 15 resets to drive the abutting rod I19 to reset, the abutting rod I19 is not abutted against the abutting rod II 20, the abutting rod II 20 is reset under the action of the connecting plate 22 and the spring III 23, when the rack plate 11 moves to the initial position, the motor 7 stops completing the reset, and the effect of resetting and reusing the device is achieved.
Claims (5)
1. The direction-adjustable mechanical fixture for machining comprises a workbench (1) and is characterized in that a box body (2) and a fixing plate (3) are connected to the upper surface of the workbench (1), an inner thread groove is formed in the side surface of the fixing plate (3), a threaded rod (4) is in threaded connection with the groove wall of the inner thread groove, a rotating plate (5) is fixedly connected to the right end of the threaded rod (4), a first clamping plate (6) is rotatably connected to the left end of the threaded rod (4) in a fixed-axis mode, the direction-adjustable mechanical fixture further comprises a clamping mechanism formed by being matched with the first clamping plate (6), the clamping mechanism comprises a rotating driving source fixedly connected to the upper surface of the workbench (1), a gear (8) is fixedly connected to a driving part of the rotating driving source, a supporting rod (9) is fixedly connected to the side wall of the box body (2), a tooth block (15) and a rack plate (11) are sleeved on the surface of the supporting rod (9), and the tooth surface of the rack plate (11) is meshed with the tooth surface of the gear (8), the side of dog (15) is seted up and is used for slide bar (12) to pass and sliding connection's spout with it, the right-hand member of slide bar (12) and the left side fixed connection of rack plate (11), the surface winding of slide bar (12) has spring one (14), the both ends of spring one (14) respectively with the right side of dog (15) and the left side fixed connection of rack plate (11), the shifting chute is seted up on the right side of rack plate (11), the cell wall sliding connection connecting rod (16) of shifting chute, logical groove is seted up on the right side of box (2), the right-hand member of connecting rod (16) passes logical groove fixed connection splint two (17), the surface winding of connecting rod (16) has spring two (18), the both ends of spring two (18) respectively with the right side of rack plate (11) and the left side fixed connection of splint two (17).
2. The direction-adjustable mechanical fixture for machining according to claim 1, further comprising a force-dividing mechanism for preventing the rotary driving source from being damaged due to a clamping action force applied for a long time, wherein the force-dividing mechanism comprises a T-shaped groove (13), the T-shaped groove (13) is formed in the rack plate (11), a transverse groove wall of the T-shaped groove (13) is slidably connected with the first abutting rod (19), the left end of the first abutting rod (19) is fixedly connected with the right side of the toothed block (15), a vertical groove wall of the T-shaped groove (13) is slidably connected with the second abutting rod (20), a clamping groove (21) is formed in the upper wall of the box body (2), and the direction-adjustable mechanical fixture further comprises a resetting mechanism for helping the second abutting rod (20) to reset.
3. The direction-adjustable mechanical clamp for machining according to claim 2, wherein the resetting mechanism comprises a connecting plate (22), the right side of the second abutting rod (20) is fixedly connected with the connecting plate (22), the lower surface of the connecting plate (22) is fixedly connected with a third spring (23), and the lower end of the third spring (23) is fixedly connected with the upper surface of the rack plate (11).
4. The direction-adjustable mechanical clamp for machining according to claim 3, wherein the opposite ends of the first abutting rod (19) and the second abutting rod (20) are provided with inclined surfaces.
5. A direction adjustable mechanical clamp for machining according to claim 3, characterized in that the rotary drive source is a motor (7), and the motor (7) is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121584749.7U CN215393892U (en) | 2021-07-13 | 2021-07-13 | Direction-adjustable mechanical clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121584749.7U CN215393892U (en) | 2021-07-13 | 2021-07-13 | Direction-adjustable mechanical clamp for machining |
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| Publication Number | Publication Date |
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| CN215393892U true CN215393892U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121584749.7U Active CN215393892U (en) | 2021-07-13 | 2021-07-13 | Direction-adjustable mechanical clamp for machining |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589543A (en) * | 2022-03-25 | 2022-06-07 | 温州大学 | Sensor protection system for positioning cutter compensation |
-
2021
- 2021-07-13 CN CN202121584749.7U patent/CN215393892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589543A (en) * | 2022-03-25 | 2022-06-07 | 温州大学 | Sensor protection system for positioning cutter compensation |
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