CN218873785U - Spline shaft body turning clamp - Google Patents

Abstract

The utility model belongs to the technical field of clamps, in particular to a spline shaft body turning clamp, which comprises a workbench; a first fixing plate is fixed on the top side of the workbench, three sliding grooves distributed along the circumferential surface are formed in one side of the fixing seat, a first sliding block is clamped in each sliding groove through a ball, a clamping jaw is fixedly connected to one side of the first sliding block, an anti-deviation assembly is arranged in each clamping jaw and comprises a clamping jaw and a trigger assembly, a first circular groove is formed in each clamping jaw, a reset spring is welded on the inner wall of the top side of the first circular groove, and the other end of the reset spring is welded on the top side of the limiting ring; through the structural design who prevents the migration subassembly, can be after the integral key shaft body is fixed, the integral key shaft body can remind the staff through the warning light after taking place to remove, and the staff processes again after adjusting the anchor clamps subassembly to reduce the production of bad piece, improve production quality and work efficiency.

Description

Spline shaft body turning clamp

Technical Field

The utility model relates to an anchor clamps technical field specifically is a spline axle body turning anchor clamps.

Background

The spline shaft is a mechanical transmission type, has the same functions as a flat key, a semicircular key and a wedge key, belongs to the field of mechanical torque transmission, is provided with a longitudinal key slot on the outer surface of the shaft, is sleeved with a rotating part on the shaft and is also provided with a corresponding key slot, can keep synchronous rotation with the shaft, and needs to be ground in the processing and production process of the spline shaft.

The existing fixture comprises a clamping piece and a clamping platform, the spline shaft needs to be fixed by the fixture, and then the tooth sides and the bottom diameter of the spline are ground on a spline shaft grinding machine by a formed grinding wheel, so that the fixture is suitable for processing a hardened spline shaft or a spline shaft with higher precision requirement, particularly with inner diameter centering.

In the production process of the conventional spline shaft, a plurality of processes such as excircle processing, end face processing and the like are required to be performed on spline shaft blanks, the spline shaft blanks are positioned and clamped for many times in the processing process, if the positions of the spline shaft blanks deviate in the grinding process, the quality of the spline shaft is affected, and when the spline shaft blanks are positioned and fixed, a worker can only observe whether the spline shaft blanks are parallel to a workbench by naked eyes, so that errors exist, and the processing quality of the spline shaft is reduced; therefore, the spline shaft body turning clamp is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, whether the position to spline shaft woollen takes place the skew and the fixed problem that has the error of level of manual observation spline shaft woollen in grinding process, the utility model provides a spline shaft body turning anchor clamps.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a spline shaft body turning clamp, which comprises a workbench; supporting legs are fixedly installed on the periphery of the bottom side of the workbench, a first fixing plate is fixed on the top side of the workbench, a fixing seat is fixedly connected to one side of the first fixing plate, three sliding grooves distributed along the circumferential surface are formed in one side of the fixing seat, a first sliding block is clamped in each sliding groove through a ball, a clamping jaw is fixedly connected to one side of each first sliding block, an anti-deviation assembly is arranged in each clamping jaw, and a clamp assembly is arranged in each fixing seat;

a second fixing plate is fixed on the top side of the workbench, a top rod is fixed on one side of the second fixing plate, one end of the top rod abuts against one side of the spline shaft body, the other side of the spline shaft body is clamped between the three clamping jaws, a horizontal detection assembly is arranged on the top side of the workbench, the deviation preventing assembly comprises clamping jaws and a trigger assembly, a first circular groove is formed in each clamping jaw, a reset spring is welded on the inner wall of the top side of the first circular groove, the other end of the reset spring is welded on the top side of a limiting ring, the limiting ring is clamped in the middle of the first circular groove, a connecting lug is welded on the bottom side of the limiting ring, a connecting rod is connected to the connecting lug in a matched mode through a pin shaft, and a rubber ball is fixedly connected to the bottom side of the connecting rod;

through preventing the subassembly that shifts, can be after the integral key shaft body is fixed, if take place to remove the back and remind the staff, the staff processes again after the staff adjustment to reduce the production of bad piece, improve production quality and work efficiency, through the level detection subassembly, whether the staff can the fixed level of direct observation integral key shaft body, need not judge according to the experience, can reduce the production of error, thereby improve the grinding quality of integral key shaft body.

Preferably, the trigger assembly comprises a connecting rod, electrode plates are welded at two ends of the bottom side of the first circular groove, and therefore when the spline shaft body deviates, the rubber ball drives the connecting rod to move, the electrode plates are in contact with the electrode plates, and workers are reminded that the clamp is loosened.

Preferably, the warning light is installed on the top side of first fixed plate, series circuit is constituteed to plate electrode, warning light and electrode slice, and series circuit uses the commercial power as the power, plate electrode and electrode slice contact, and the warning light will light to remind staff's anchor clamps to produce not hard up, the staff processes again after the adjustment, thereby reduces the production of bad piece, improves production quality and work efficiency.

Preferably, the anchor clamps subassembly includes the fixing base, the second circular slot has been seted up to the inside of fixing base, be provided with big bevel gear in the second circular slot, one side of big bevel gear is fixed with three bevel pinion, bevel pinion's middle part is fixed with the axis of rotation through the bearing, the middle part at two connecting plates is fixed through the bearing at the both ends of axis of rotation, the connecting plate rigid coupling is in one side of second circular slot, the one end of axis of rotation is passed through the shaft coupling and is connected with servo motor's output, can be through starting servo motor, adjusts the position of three jack catch to fix the integral key shaft body at central point and put.

Preferably, the other side of big bevel gear is provided with plane thread structure, and the bottom side of first slider installs on plane screw thread, and when big bevel gear rotated like this, plane thread structure also can rotate to drive the jack catch and move to the centre or move to the outside simultaneously.

Preferably, the level detection subassembly includes the workstation, the slide rail has been seted up on the top side of workstation, there is the second slider through ball sliding connection in the slide rail, the top side rigid coupling of second slider has electric telescopic handle, electric telescopic handle's top rigid coupling has the spheroid, and whether staff can directly pass through the spheroid and this body contact of integral key shaft, observes whether the integral key shaft body is fixed level, need not judge according to the experience, can reduce the production of error to improve the grinding quality of integral key shaft body.

The utility model discloses an useful part lies in:

1. the utility model provides a spline shaft body turning anchor clamps through the structural design who prevents the offset subassembly, can be after the integral key shaft body is fixed, the integral key shaft body can remind the staff through the warning light if taking place after removing, processes again after staff's adjustment anchor clamps subassembly to reduce the production of bad piece, improve production quality and work efficiency.

2. The utility model provides a spline shaft body turning anchor clamps, through the structural design of level detection subassembly, whether staff can directly pass through the spheroid and this body contact of integral key shaft, whether observe that the integral key shaft body is fixed level, need not judge according to the experience, can reduce the production of error to improve the grinding quality of integral key shaft body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a side view of the first embodiment;

FIG. 2 is a schematic cross-sectional view of the anti-shifting assembly according to the first embodiment;

FIG. 3 is a cross-sectional view of a clamp assembly according to the first embodiment;

FIG. 4 is a cross-sectional view of a clamp assembly according to the first embodiment;

fig. 5 is a schematic structural diagram of an overall front perspective of the second embodiment.

In the figure: 1. a work table; 2. supporting legs; 3. a first fixing plate; 4. a fixed seat; 5. a chute; 6. a first slider; 7. a claw; 8. a second fixing plate; 9. a top rod; 10. a spline shaft body; 11. a first circular groove; 12. a return spring; 13. a limiting ring; 14. connecting lugs; 15. a connecting rod; 16. a rubber ball; 17. an electrode plate; 18. an electrode sheet; 19. a warning light; 20. a second circular groove; 21. a large bevel gear; 22. a bevel pinion gear; 23. a rotating shaft; 24. a connecting plate; 25. a servo motor; 26. a slide rail; 27. a second slider; 28. an electric telescopic rod; 29. a sphere; 30. and (6) measuring the scale.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a spline shaft body turning fixture includes a worktable 1; the periphery of the bottom side of the workbench 1 is fixedly provided with supporting legs 2, the top side of the workbench 1 is fixedly provided with a first fixing plate 3, one side of the first fixing plate 3 is fixedly connected with a fixing seat 4, one side of the fixing seat 4 is provided with three sliding grooves 5 distributed along the circumferential surface, a first sliding block 6 is clamped in each sliding groove 5 through a ball, one side of each first sliding block 6 is fixedly connected with a clamping jaw 7, an anti-deviation assembly is arranged in each clamping jaw 7, and a clamp assembly is arranged in each fixing seat 4;

a second fixing plate 8 is fixed on the top side of the workbench 1, a top rod 9 is fixed on one side of the second fixing plate 8, one end of the top rod 9 props against one side of the spline shaft body 10, the other side of the spline shaft body 10 is clamped between three clamping jaws 7, a horizontal detection assembly is arranged on the top side of the workbench 1, the anti-deviation assembly comprises the clamping jaws 7 and a trigger assembly, a first circular groove 11 is formed in each clamping jaw 7, a reset spring 12 is welded on the inner wall of the top side of each first circular groove 11, the other end of the reset spring 12 is welded on the top side of a limiting ring 13, the limiting ring 13 is clamped in the middle of the first circular groove 11, a connecting lug 14 is welded on the bottom side of the limiting ring 13, a connecting rod 15 is connected to the connecting lug 14 in a matched mode through a pin shaft, and a rubber ball 16 is fixedly connected to the bottom side of the connecting rod 15;

the during operation, the staff places integral key shaft body 10's one end between three jack catch 7, contact the other end and ejector pin 9 again, it is fixed integral key shaft body 10 to start the anchor clamps subassembly, the staff passes through the level detection subassembly, can direct observation integral key shaft body 10 fixed whether level, do not need to judge according to the experience, can reduce the production of error, thereby improve integral key shaft body 10's grinding quality, if integral key shaft body 10 takes place to remove at the grinding in-process, the rubber ball 16 with integral key shaft body 10 contact also can take place to remove thereupon, drive connecting rod 15 and remove, trigger and remind the staff behind the subassembly, the staff processes again after adjusting the anchor clamps subassembly, thereby reduce the production of bad piece, and the production quality and the work efficiency are improved.

The trigger assembly comprises a connecting rod 15, electrode plates 17 are welded at two ends of the bottom side of the connecting rod 15, and electrode plates 18 are welded at two ends of the bottom side of the first circular groove 11; during operation, when the integral key shaft body 10 takes place the skew like this, rubber ball 16 drives connecting rod 15 and takes place to remove, and the plate electrode 17 on the connecting rod 15 can contact with electrode slice 18 to remind the staff anchor clamps to produce not hard up.

A warning lamp 19 is mounted on the top side of the first fixing plate 3, the electrode plate 17, the warning lamp 19 and the electrode plate 18 form a series circuit, and the series circuit takes commercial power as a power supply; during operation, the electrode plate 17 contacts with the electrode plate 18, the warning lamp 19 is turned on, so that workers are reminded that the clamp is loosened, and the workers perform machining again after adjustment, so that the generation of bad parts is reduced, and the production quality and the working efficiency are improved.

The fixture assembly comprises a fixed seat 4, a second circular groove 20 is formed in the fixed seat 4, a large bevel gear 21 is arranged in the second circular groove 20, three small bevel gears 22 are fixed on one side of the large bevel gear 21, a rotating shaft 23 is fixed in the middle of each small bevel gear 22 through a bearing, two ends of each rotating shaft 23 are fixed in the middle of two connecting plates 24 through bearings, the connecting plates 24 are fixedly connected to one side of the second circular groove 20, and one end of each rotating shaft 23 is connected with the output end of a servo motor 25 through a coupler; during operation, the small bevel gear 22 is driven to rotate by the rotating shaft 23 by starting the servo motor 25, the large bevel gear 21 rotates therewith, and accordingly the three first sliding blocks 6 are driven to move inwards, the positions of the three clamping jaws 7 move inwards, and the spline shaft body 10 is fixed at the center position.

The other side of the large bevel gear 21 is provided with a plane thread structure, and the bottom side of the first sliding block 6 is arranged on the plane thread; in operation, when the large bevel gear 21 rotates, the planar thread structure also rotates, so that the clamping jaws 7 are driven to move towards the middle or towards the outer side simultaneously.

The horizontal detection assembly comprises a workbench 1, a slide rail 26 is arranged on the top side of the workbench 1, a second slide block 27 is connected in the slide rail 26 in a sliding manner through a ball, an electric telescopic rod 28 is fixedly connected to the top side of the second slide block 27, and a ball 29 is fixedly connected to the top end of the electric telescopic rod 28; the during operation, the staff is according to integral key shaft body 10's altitude mixture control electric telescopic handle 28, make the bottom side contact of spheroid 29 and integral key shaft body 10, promote second slider 27 and remove in slide rail 26, whether can directly contact with integral key shaft body 10 all the time through spheroid 29 at the removal in-process, observe whether fixed level of integral key shaft body 10, if appear spheroid 29 and integral key shaft body 10 contactless or unable removal at the removal in-process, integral key shaft body 10 is no longer level, just need the staff to readjust the position of integral key shaft body 10 again, do not need according to experience to judge, can reduce the production of error, thereby improve the grinding quality of integral key shaft body 10.

Example two

Referring to fig. 5, as another embodiment of the present invention, in a first comparative example, the measuring ruler 30 is disposed in a loop bar at the top of the electric telescopic rod 28; during operation, staff can know the fixed height of integral key shaft body according to the figure that dipperstick 30 shows.

The working principle is that a worker places one end of a spline shaft body 10 between three jaws 7 and then contacts the other end with an ejector rod 9, a servo motor 25 is started, a rotating shaft 23 drives a small bevel gear 22 to rotate, a large bevel gear 21 rotates along with the small bevel gear, so that three first sliders 6 are driven to move inwards, the positions of the three jaws 7 move inwards along with the three jaws, the spline shaft body 10 is fixed at a central position, the spline shaft body 10 is fixed well, the worker adjusts an electric telescopic rod 28 according to the height of the spline shaft body 10, the ball 29 is made to contact with the bottom side of the spline shaft body 10, the second slider 27 is pushed to move in a sliding rail 26, whether the ball 29 is in contact with the spline shaft body 10 all the time during moving can be directly passed through during moving, whether the spline shaft body 10 is fixed to be horizontal or not is observed, if the ball 29 is not in contact with the spline shaft body 10 or cannot move during moving, the spline shaft body 10 is not to be horizontal, the worker needs to readjust the position of the spline shaft body 10 without judging according to experience, so that the generation of a spline shaft error can be reduced, thereby improving the grinding quality of a connecting rod adjusting connecting rod, and prompting the worker to generate a warning signal for prompting the worker to move a working electrode plate 15 and further to generate a bad connection signal after the worker to generate a bad connection signal, thereby prompting a bad connection lamp 15.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides a spline shaft body turning anchor clamps which characterized in that: comprises a workbench (1); the supporting legs (2) are fixedly mounted on the periphery of the bottom side of the workbench (1), a first fixing plate (3) is fixed on the top side of the workbench (1), a fixing seat (4) is fixedly connected to one side of the first fixing plate (3), three sliding grooves (5) distributed along the circumferential surface are formed in one side of the fixing seat (4), a first sliding block (6) is clamped in each sliding groove (5) through a ball, a clamping jaw (7) is fixedly connected to one side of each first sliding block (6), an anti-deviation assembly is arranged in each clamping jaw (7), and a clamp assembly is arranged in each fixing seat (4);

the top side of workstation (1) is fixed with second fixed plate (8), one side of second fixed plate (8) is fixed with ejector pin (9), one side of integral key shaft body (10) is withstood to ejector pin (9) one end, the opposite side card of integral key shaft body (10) is established between three jack catch (7), the top side of workstation (1) is provided with horizontal detection subassembly, prevent that the aversion subassembly includes jack catch (7) and trigger assembly, first circular slot (11) have been seted up to the inside of jack catch (7), the welding has reset spring (12) on the top side inner wall of first circular slot (11), the other end welding of reset spring (12) is in the top side of spacing ring (13), the middle part at first circular slot (11) is established in spacing ring (13) card, the bottom side welding of spacing ring (13) has engaging lug (14), there is connecting rod (15) on engaging lug (14) through round pin axle fit connection, the bottom side of connecting rod (15) has rubber ball (16).

2. The spline shaft body turning clamp of claim 1, wherein: the trigger assembly comprises a connecting rod (15), electrode plates (17) are welded at two ends of the bottom side of the connecting rod (15), and electrode plates (18) are welded at two ends of the bottom side of the first circular groove (11).

3. The spline shaft body turning clamp of claim 2, wherein: warning light (19) are installed to the top side of first fixed plate (3), series circuit is constituteed to electrode board (17), warning light (19) and electrode slice (18), and series circuit uses the commercial power as the power.

4. The spline shaft body turning clamp of claim 1, wherein: the anchor clamps subassembly includes fixing base (4), second circular slot (20) have been seted up to the inside of fixing base (4), be provided with big bevel gear (21) in second circular slot (20), one side of big bevel gear (21) is fixed with three bevel pinion (22), the middle part of bevel pinion (22) is fixed with rotation axis (23) through the bearing, the middle part at two connecting plates (24) is passed through the bearing at the both ends of rotation axis (23), connecting plate (24) rigid coupling is in one side of second circular slot (20), the one end of rotation axis (23) is passed through the shaft coupling and is connected with the output of servo motor (25).

5. The spline shaft body turning clamp of claim 4, wherein: the other side of the large bevel gear (21) is provided with a plane thread structure, and the bottom side of the first sliding block (6) is installed on the plane thread.

6. The spline shaft body turning clamp of claim 1, wherein: the level detection subassembly includes workstation (1), slide rail (26) have been seted up on the top side of workstation (1), there is second slider (27) through ball sliding connection in slide rail (26), the top side rigid coupling of second slider (27) has electric telescopic handle (28), the top rigid coupling of electric telescopic handle (28) has spheroid (29).

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