CN211728313U

CN211728313U - Turning tool for connecting shaft of shock absorber

Info

Publication number: CN211728313U
Application number: CN201922216497.1U
Authority: CN
Inventors: 钱树军; 朱永峰
Original assignee: Suzhou Habi Hemu Mechanical And Electrical Technology Co ltd
Current assignee: Suzhou Habi Hemu Mechanical And Electrical Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-10-23
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a turning frock for bumper shock absorber connecting axle relates to the technical field of turning frock, aims at solving prior art and can't carry out the problem of disposable processing to the internal diameter, appearance and the terminal surface of connecting axle. The technical scheme is characterized in that the tool body is provided with a fixing groove, an accommodating groove and a balance groove, wherein the accommodating groove is positioned at the center of the tool body; the fixing groove and the balancing groove are distributed on two sides and are positioned on the same horizontal line, and the length between the fixing groove and the accommodating groove and the length between the balancing groove and the accommodating groove are equal to the length of the rod body; two snap rings of connecting axle are located holding tank and fixed slot respectively, are provided with the counter weight snap ring in the balancing tank, and the fixedly connected with counter weight body of rod on the counter weight snap ring, and the one end that the counter weight snap ring was kept away from to the counter weight body of rod offsets with the outer wall of the snap ring in the holding tank, all is provided with the mounting on the body of rod and the counter weight body of rod. The effect of improving the accuracy of connecting shaft processing by turning the connecting shaft is realized.

Description

Turning tool for connecting shaft of shock absorber

Technical Field

The utility model belongs to the technical field of the technique of turning frock and specifically relates to a turning frock for bumper shock absorber connecting axle is related to.

Background

Turning is lathe machining, which is part of machining. Lathe machining mainly uses a lathe tool to perform turning machining on a rotating workpiece. The lathe can also be used for corresponding processing by using a drill bit, a reamer, a screw tap, a die, a knurling tool and the like. Lathes are used primarily for machining shafts, discs, sleeves and other workpieces having a surface of revolution, and are the most widely used type of machine tool in machine manufacturing and repair plants.

In the field of automobiles, in the case of an automobile transmission shaft, a shaft capable of transmitting power in a transmission shaft of a universal transmission device is a rotating body with high rotating speed and less support, so that the dynamic balance of the shaft is very important. The transmission shaft assemblies are all provided with rigid connecting shafts, and the rigid connecting shafts can be connected with two transmission shafts and can better buffer collision acceleration. The transmission shaft assembly comprises a first transmission shaft, a second transmission shaft and a connecting shaft, the connecting shaft is connected between the first transmission shaft and the second transmission shaft, and the connecting shaft comprises a rod body and clamping rings at two ends of the rod body. When the snap ring of processing connecting axle, just need adopt the turning frock to fix the connecting axle on the door window to process the snap ring.

As shown in fig. 1, in order to provide a conventional connecting shaft 2, the connecting shaft 2 includes two snap rings 21, and a rod 22 is connected between the snap rings 21. When the connecting shaft 2 is manufactured, the rod body 22 and the two corresponding clamping rings 21 are welded and formed firstly, then the connecting shaft 2 is machined smoothly by machining methods such as polishing and the like for use, and the manufacturing steps of welding and machining firstly can prevent multiple times of machining and ensure the manufacturing efficiency. The existing processing method is that a worker manually polishes the welded connecting shaft 2 through a grinding wheel.

The above prior art solutions have the following drawbacks: the condition of uneven polishing caused by uneven placing plane or inclined sight line and the like is greatly likely to occur in the manual polishing process, so that the connecting shaft cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a turning frock for bumper shock absorber connecting axle, it can be through carrying out lathe work to the connecting axle, improves the accurate nature of connecting axle processing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a turning tool for a connecting shaft of a shock absorber comprises a tool body, wherein a fixing groove, an accommodating groove and a balance groove are formed in the top end of the tool body, the inner diameters of the accommodating groove, the fixing groove and the balance groove are equal to the outer diameter of a clamping ring, and the accommodating groove is located in the center of the tool body; the fixing groove and the balancing groove are distributed on two sides of the accommodating groove, the central points of the fixing groove, the balancing groove and the accommodating groove are located on the same horizontal line, the distance from the central point of the fixing groove to the central point of the accommodating groove is equal to the distance from the central point of the balancing groove to the central point of the accommodating groove, and the lengths between the fixing groove and the accommodating groove and between the balancing groove and the accommodating groove are equal to the length of the rod body; the balance groove is internally provided with a balance weight snap ring, a balance weight rod body is fixedly connected to the balance weight snap ring, one end, far away from the balance weight snap ring, of the balance weight rod body is used for abutting against the outer wall of the snap ring in the accommodating groove, and two fixing parts which are respectively used for fixing the rod body and the balance weight rod body are arranged on the tool body.

Through adopting above-mentioned technical scheme, place two snap rings of connecting axle respectively in holding tank and fixed slot, make the weight lever offset with the snap ring that is arranged in the holding tank, fix weight lever and the body of rod through the mounting, can process the connecting axle.

The utility model discloses further set up to: the mounting includes the fixed block, the top of fixed block is run through and is provided with the counter bore, frock body top is provided with the screw hole that corresponds with the counter bore, be provided with the screw with screw hole threaded connection in the counter bore, fixed block one end offsets with the top of the body of rod, and the other end is provided with the handle groove.

Through adopting above-mentioned technical scheme, the fixed block passes through screw and this body coupling of frock, can conveniently carry out the dismantlement and the fixing of connecting axle, and the setting in handle groove can make more convenient when the fixed block of taking on the fixed block.

The utility model discloses further set up to: all be provided with the chip groove that leaks in fixed slot and the compensating groove, two the internal diameter of leaking the chip groove all equals the internal diameter of snap ring.

Through adopting above-mentioned technical scheme, the setting of hourglass chip groove can reduce the sweeps when the turning frock and pile up, guarantees the cleanness of frock.

The utility model discloses further set up to: the fixed slot, the balance groove all extend along the circumference of the tool body and are arc-shaped.

Through adopting above-mentioned technical scheme, curved fixed slot and compensating groove can only need to unscrew the screw part of fixed block when placing and fixed connection axle, upwards lift the fixed block and leave one section distance of frock body and can rotate the connecting axle to the one end that is close to the fixed block by the one end of keeping away from the fixed block along the fixed slot of rectangular shape and compensating groove to more conveniently fix.

The utility model discloses further set up to: the top of frock body all is provided with the guide way with the position that fixed slot, compensating groove and holding tank correspond, fixed slot, compensating groove and holding tank are located the diapire of the guide way that corresponds respectively.

Through adopting above-mentioned technical scheme, the setting up of guide way makes the more convenient operation of installation connecting axle on the turning frock.

The utility model discloses further set up to: one end, close to the tool body, of the fixed block is provided with a spring groove, and a spring is arranged in the spring groove; one end of the spring is abutted against the bottom wall of the spring groove, and the other end of the spring is abutted against the top end of the tool body.

Through adopting above-mentioned technical scheme, when dismantling the connecting axle that is supported tightly by the fixed block, only need loosen the screw on the fixed block, at this moment, the fixed block can be automatic rebound under the elastic force effect of spring to more conveniently take out the connecting axle.

The utility model discloses further set up to: the counter bore of fixed block is located the middle part of fixed block, the circumference along the screw of spring groove sets up on the inside wall of counter bore bottom, the spring housing is established on the outer wall of screw.

By adopting the technical scheme, the screw is positioned in the middle of the fixing block, and the spring is sleeved on the outer wall of the screw, so that the fixing block can be ensured to vertically move upwards as far as possible when moving upwards under the action of the elastic force of the spring, and the fixing block is not deviated.

The utility model discloses further set up to: the top of the threaded hole inner side wall is provided with an annular groove, the top end of the spring is located in the spring groove and abuts against the bottom wall of the spring groove, and the bottom end of the spring is located in the annular groove and abuts against the bottom wall of the annular groove.

Through adopting above-mentioned technical scheme, the spring runs through fixed block and frock body, can be so that the fixed block more stable when rebound under the spring action of spring, does not take place to deviate.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the tool body, the fixing groove, the accommodating groove, the balance groove and the fixing block, the connecting shaft can be fixed in the tool body for turning, and the machining precision of the connecting shaft is guaranteed;

2. through the arrangement of the spring groove and the spring, the fixing block can automatically move upwards under the elastic force action of the spring, so that the connecting shaft can be conveniently taken out.

Drawings

FIG. 1 is a schematic view showing the overall structure of a damper connecting shaft according to an embodiment;

FIG. 2 is a schematic overall structure diagram of the turning tool for the connecting shaft of the shock absorber in the embodiment;

FIG. 3 is a structural schematic diagram of the turning tool for the connecting shaft of the shock absorber and the connecting shaft for the shock absorber in the embodiment;

FIG. 4 is a section view of the turning tool for the connecting shaft of the shock absorber and the connecting shaft for the shock absorber in the embodiment;

fig. 5 is an enlarged view of a portion a in fig. 4.

In the figure, 1, a tool body; 11. fixing grooves; 12. a balancing tank; 13. accommodating grooves; 14. a chip leakage groove; 15. a guide groove; 16. a second positioning groove; 2. a connecting shaft; 21. a snap ring; 22. a rod body; 3. a counterweight snap ring; 31. a counterweight rod body; 4. a fixed block; 41. a clamping gap; 42. a counter bore; 43. a threaded hole; 44. a handle slot; 45. a spring slot; 46. an annular groove; 47. a first positioning groove; 5. and (5) positioning the rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2 and 3, for the utility model discloses a turning frock for bumper shock absorber connecting axle 2, including columniform frock body 1, circular shape fixed slot 11, compensating groove 12 and holding tank 13 have been seted up on the top of frock body 1, fixed slot 11, compensating groove 12 extend along anticlockwise direction along frock body 1's circumference and are the arc, thereby holding tank 13 is extended to the bottom by frock body 1's top end opening and link up frock body 1, the internal diameter of holding tank 13 equals with the external diameter of snap ring 21 and makes snap ring 21 can stretch into holding tank 13 in, holding tank 13 is located frock body 1's center department. Fixed slot 11 and compensating groove 12 distribute in the both sides of holding tank 13, all are provided with in fixed slot 11, the compensating groove 12 and leak chip groove 14, and holding tank 13 is for lining up the logical groove of frock body 1, and the top of frock body 1 is provided with two mountings that are used for the fixed body of rod 22 and the counter weight body of rod 31 respectively, and the mounting is fixed block 4, and fixed slot 11 and compensating groove 12 leak chip groove 14 and all are located its one end that is close to fixed block 4.

Referring to fig. 2 and 3, the widths of the balance groove 12 and the fixed groove 11 are equal to the outer diameter of the snap ring 21 and can be just snap-fitted to the snap ring 21, the edges of the balance groove 12 and the fixed groove 11 are arc-shaped edges facilitating sliding of the snap ring 21, the diameters of the two chip leakage grooves 14 and the diameter of the accommodating groove 13 are equal to the inner diameter of the snap ring 21, the central points of the two chip leakage grooves 14 and the accommodating groove 13 are all located on the same horizontal line, the distance from the central point of the chip leakage groove 14 of the fixed groove 11 to the central point of the chip leakage groove 14 of the accommodating groove 13 is equal to the distance from the central point of the chip leakage groove 14 of the balance groove 12 to the central point of the chip leakage groove 14 of the accommodating groove 13, the lengths between the fixed groove 11 and the accommodating groove 13 and. Set up fixed slot 11 on the top of frock body 1, the position of balanced groove 12 and holding tank 13 all is provided with guide way 15, fixed slot 11, balanced groove 12 and holding tank 13 are located respectively on the diapire of the guide way 15 that corresponds, two snap rings 21 of connecting axle 2 are located holding tank 13 and fixed slot 11 respectively, the fixedly connected with body of rod 22 between two snap rings 21, be provided with counter weight snap ring 3 in the balanced groove 12, the fixedly connected with counter weight body of rod 31 on the counter weight snap ring 3, the one end that counter weight snap ring 3 was kept away from to the counter weight body of rod 31 offsets with the outer wall of the snap ring 21 in the holding tank 13, counter weight snap ring 3 on this frock body 1 when turning, the counter weight body of rod 31, two snap rings 21 and the body of rod 22 between them all are located same straight line, the setting of counter weight snap ring 3.

Referring to fig. 4 and 5, one end of the fixing block 4 close to the rod body 22 is provided with a clamping notch 41 matched with the rod body 22 to clamp the rod body 22 so as to fix the connecting shaft 2, a counter bore 42 penetrating through the fixing block 4 is formed in the middle of the fixing block 4 from the top end of the fixing block, a threaded hole 43 corresponding to the counter bore 42 is formed in the top end of the tool body 1, a screw is arranged in the counter bore 42 of the fixing block 4, and the screw is in threaded connection with the threaded hole 43. Fixed block 4 passes through bolted connection with frock body 1, and the bottom of fixed block 4 is provided with handle groove 44, and handle groove 44 is located one side that body of rod 22 was kept away from to fixed block 4.

Referring to fig. 4 and 5, the inner side wall of the bottom end of the counter bore 42 is provided with a spring groove 45 along the circumferential direction thereof, the top end of the spring groove 45 is not communicated with the counter bore 42, the inner side wall of the top end of the threaded hole 43 is provided with an annular groove 46 corresponding to the spring groove 45 along the circumferential direction thereof, and the length of the annular groove 46 is smaller than that of the threaded hole 43. The screw is sleeved with a spring, one end of the spring is propped against the bottom wall of the spring groove 45 in a compressed state, and the other end of the spring is propped against the bottom wall of the annular groove 46. First constant head tank 47 has been seted up to the one end that the body of rod 22 was kept away from to the diapire of fixed block 4, and the second constant head tank 16 that corresponds with first constant head tank 47 has been seted up downwards on the top of frock body 1, and the fixed locating lever 5 that is provided with in the first constant head tank 47, the bottom of locating lever 5 stretch into in the second constant head tank 16 and slide with second constant head tank 16 and be connected.

The implementation principle of the embodiment is as follows:

in the initial state, the turning tool is installed on a lathe, the balance weight clamping ring 3 is located at one end, close to the chip leakage groove 14, of the balance groove 12, and the connecting shaft 2 is not placed in the accommodating groove 13.

When the terminal surface of the snap ring 21 of connecting axle 2 needs to be processed, put into holding tank 13 with one snap ring 21 in two snap rings 21 of connecting axle 2, the one end that the counter weight snap ring 3 was kept away from to the counter weight body of rod 31 this moment offsets with the lateral wall of snap ring 21 in holding tank 13, another snap ring 21 is put into fixed slot 11 and is kept away from the one end of leaking bits groove 14, snap ring 21 that will be arranged in fixed slot 11 again rotates to the inner wall of pasting tight fixed slot 11 to the other end by the one end of keeping away from leaking bits groove 14, screw through screwing up in fixed block 4 at last with fixed block 4 and the body of rod 22, thereby fixed connection axle 2 is supported with the counter weight body of rod.

After turning is finished, the screw on the fixing block 4 corresponding to the accommodating groove 13 is loosened, the fixing block 4 can be upwards bounced under the elastic force of the spring, and at the moment, the clamping ring 21 in the fixing groove 11 can be rotated towards the end far away from the chip leakage groove 14, so that the connecting shaft 2 can be taken out.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a turning frock for bumper shock absorber connecting axle which characterized in that: the tool comprises a tool body (1), wherein a fixing groove (11), an accommodating groove (13) and a balance groove (12) are formed in the top end of the tool body (1), the inner diameters of the accommodating groove (13), the fixing groove (11) and the balance groove (12) are all equal to the outer diameter of a clamping ring (21), and the accommodating groove (13) is located in the center of the tool body (1); the fixing groove (11) and the balancing groove (12) are distributed on two sides of the accommodating groove (13), the central points of the fixing groove (11), the balancing groove (12) and the accommodating groove (13) are located on the same horizontal line, the distance from the central point of the fixing groove (11) to the central point of the accommodating groove (13) is equal to the distance from the central point of the balancing groove (12) to the central point of the accommodating groove (13), and the lengths between the fixing groove (11) and the accommodating groove (13) and between the balancing groove (12) and the accommodating groove (13) are equal to the length of the rod body (22); be provided with counter weight snap ring (3) in compensating groove (12), fixedly connected with counter weight body of rod (31) on counter weight snap ring (3), the one end that counter weight snap ring (3) were kept away from to the counter weight body of rod (31) is arranged in offsetting with the outer wall of snap ring (21) in the holding tank, be provided with two mountings that are used for the fixed body of rod (22) and the counter weight body of rod (31) respectively on frock body (1).

2. The turning tool for the connecting shaft of the shock absorber as claimed in claim 1, wherein: the mounting includes fixed block (4), the top of fixed block (4) is run through and is provided with counter bore (42), frock body (1) top is provided with screw hole (43) that correspond with counter bore (42), be provided with the screw with screw hole (43) threaded connection in counter bore (42), fixed block (4) one end offsets with the top of the body of rod (22), and the other end is provided with handle groove (44).

3. The turning tool for the connecting shaft of the shock absorber as claimed in claim 2, wherein: all be provided with in fixed slot (11) and compensating groove (12) and leak bits groove (14), two the internal diameter of leaking bits groove (14) all equals the internal diameter of snap ring (21).

4. The turning tool for the connecting shaft of the shock absorber as claimed in claim 3, wherein: the fixing groove (11) and the balance groove (12) extend along the circumferential direction of the tool body (1) and are arc-shaped.

5. The turning tool for the connecting shaft of the shock absorber as claimed in claim 4, wherein: the top of frock body (1) all is provided with guide way (15) with the position that fixed slot (11), compensating groove (12) and holding tank (13) correspond, fixed slot (11), compensating groove (12) and holding tank (13) are located respectively on the diapire of the guide way (15) that corresponds.

6. The turning tool for the connecting shaft of the shock absorber as claimed in claim 2, wherein: a spring groove (45) is formed in one end, close to the tool body (1), of the fixed block (4), and a spring is arranged in the spring groove (45); one end of the spring is abutted against the bottom wall of the spring groove (45), and the other end of the spring is abutted against the top end of the tool body (1).

7. The turning tool for the connecting shaft of the shock absorber as claimed in claim 6, wherein: the counter bore (42) of fixed block (4) are located the middle part of fixed block (4), spring groove (45) set up on the inside wall of counter bore (42) bottom along the circumference of screw, the spring housing is established on the outer wall of screw.

8. The turning tool for the connecting shaft of the shock absorber as claimed in claim 2, wherein: the top end of the inner side wall of the threaded hole (43) is provided with an annular groove (46), the top end of the spring is located in the spring groove (45) and abuts against the bottom wall of the spring groove (45), and the bottom end of the spring is located in the annular groove (46) and abuts against the bottom wall of the annular groove (46).