CN212735310U - Spline shaft grinding machine - Google Patents

Abstract

The utility model discloses a spline shaft grinding machine, including the organism, the organism includes the workstation, is provided with clamping mechanism on the workstation, and clamping mechanism top is provided with grinding machanism, and clamping mechanism is provided with the apex seat that is used for supporting the integral key shaft head end including the headstock and the tailstock seat that are parallel to each other on the headstock, is provided with the motor on the tailstock seat, and the output of motor is connected with the positioning seat. The utility model has the advantages that: the utility model discloses be provided with the positioning seat, and the positioning seat is including rotating head and location clamping jaw, and the location clamping jaw can clip the integral key shaft tail end and carry out the bearing to realize the location to the integral key shaft tail end, then need not support the integral key shaft tail end with the hand, only need remove the tailstock seat, make the apex seat support the head end of integral key shaft and can fix the integral key shaft on the workstation, operate comparatively labour saving and time saving, make the machining efficiency of grinding machine higher.

Description

Spline shaft grinding machine

Technical Field

The utility model relates to a shaft processing equipment technical field specifically is a spline shaft grinder.

Background

The spline shaft grinding machine is a precision numerical control machine tool suitable for grinding workpieces such as various tooth-shaped high-precision straight tooth or spiral tooth spline shafts, spline broaches, plug gauges, rolling wheels, gears and the like. The grinding principle is grinding by a forming method, namely, the section of the grinding wheel shaft is trimmed to be a section corresponding to the gear tooth groove, and forming grinding processing is carried out.

At present, when an existing spline shaft grinding machine is used, a spline shaft is usually clamped and fixed on a workbench through a grinding machine headstock and a tailstock center, the workbench reciprocates left and right relative to a grinding head, and a grinding head grinding wheel grinds splines outside a spline shaft. Wherein, the tailstock is portable, makes the distance between grinding machine headstock and the tailstock centre be adjustable to can be applicable to the centre gripping of the integral key shaft of different length, however, when removing the tailstock and come the regulation distance, because grinding machine headstock does not carry out effective location to the tail end of integral key shaft, consequently need hand-held, then the operation is comparatively hard.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a spline shaft grinding machine that can effectively position the end of a spline shaft in order to solve the above-mentioned problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a spline shaft grinding machine, which comprises a bod, the organism includes the workstation, be provided with clamping mechanism on the workstation, clamping mechanism top is provided with grinding machanism, clamping mechanism is including headstock and tailstock seat that are parallel to each other, be provided with the apex seat that is used for supporting the integral key shaft head end on the headstock, be provided with the motor on the tailstock seat, the output of motor is connected with the positioning seat, the positioning seat is including fixing the rotation head on the motor output, it is cylindrical to rotate the head, it is provided with the locating pin that is used for supporting the spline shaft tail end to rotate the head in the one side that deviates from the motor, be provided with a plurality of location clamping jaws that are used for centre gripping spline shaft tail end on the perisporium of rotation.

Through adopting above-mentioned technical scheme, because the output at the motor is connected with the positioning seat, and the positioning seat is including rotating the head and setting up the location clamping jaw on rotating the first perisporium, then when the grinding machine uses, can insert the positioning seat with the tail end of integral key shaft, make the overhead locating pin of rotating support the tail end of integral key shaft, the clamping jaw of fixing a position simultaneously can clip the integral key shaft tail end and carry out the bearing, thereby realize the location to the integral key shaft tail end, then need not support the integral key shaft tail end with the hand, only need remove the tailstock seat, make the apex seat support the head end of integral key shaft and can fix the integral key shaft on the workstation, the operation is comparatively labour saving and time saving.

As a further arrangement of the present invention, the positioning clamping jaw comprises an integrally connected claw arm and claw hook, the claw hook is perpendicularly connected to the claw arm at a position away from the rotating head.

Through adopting above-mentioned technical scheme, because the location clamping jaw includes a body coupling's claw arm and claw hook, and claw hook vertical connection is in the claw arm and keeps away from one of rotating the head and serve, then when the tail end through location clamping jaw centre gripping integral key shaft, the claw arm can with the perisporium butt of integral key shaft tail end in order to play the bearing effect, and claw hook then can catch on the bottom surface of integral key shaft tail end, prevent that the tail end of integral key shaft from following the inside drop of location clamping jaw, thereby guaranteed the centre gripping location effect of location clamping jaw to the tail end of integral key shaft.

As the utility model discloses a further setting, a plurality of cavitys have been seted up on the perisporium of rotation head, the inside dog that is provided with of cavity, the one end that claw hook was kept away from to the claw arm is provided with runs through dog and sliding connection at the inside slide bar of cavity, the one end that the slide bar passed the dog is connected with and supports the piece, support and be connected with the elastic component between piece and the dog, the elastic component is used for keeping supporting the piece under natural state all the time with cavity diapire butt.

Through adopting above-mentioned technical scheme, when the positioning seat uses, can outwards stir all location clamping jaws simultaneously, then the slide bar can rise thereupon and constantly stretch out the cavity outside, thereby it rises and constantly keeps away from the cavity diapire to drive to support the piece, then the rising that supports the piece can press the elastic component to the dog, make the elastic component take place compression deformation, then this moment owing to keep away from each other between the clamping jaw of location, thereby reserve the tail end male space that is enough to be used for the integral key shaft, then can insert the tail end of integral key shaft between the clamping jaw of location this moment, then release the location clamping jaw, then the elastic component is put the external force constraint and can be extended and resume original shape, thereby reset the location clamping jaw, then the location clamping jaw can firmly be cliied thereupon in the tail end of.

As a further arrangement of the utility model, the elastic component adopts the spring, the elastic component cover is established on the slide bar and one end is fixed in the dog bottom, and the other end is fixed at supporting a top.

Through adopting above-mentioned technical scheme, because the elastic component adopts the spring, and the elastic component cover establish on the slide bar and one end is fixed in the dog bottom, and the other end is fixed at supporting a top, the spring has better elasticity resilience ability to the automatic re-setting effect of location clamping jaw has been guaranteed.

As a further setting of the utility model, be provided with the slipmat on the internal surface of claw arm, the slipmat adopts rubber materials to make.

Through adopting above-mentioned technical scheme, owing to be provided with the slipmat on the internal surface of claw arm, and the slipmat adopts rubber materials to make, the durability is better, then through the setting of slipmat, can increase the coefficient of friction on the internal surface of claw arm for difficult slipping when claw arm and the perisporium butt of integral key shaft tail end, thereby guaranteed the centre gripping effect of location clamping jaw.

As the utility model discloses a further setting, the apex seat includes the barrel, the inside apex cover that is provided with of barrel, the inside threaded connection of apex cover has the lead screw, the lead screw is served towards one of swivel head and is connected with the apex that is used for supporting the integral key shaft head end.

Through adopting above-mentioned technical scheme, because the apical plate includes the barrel, be provided with the apical plate cover in the barrel inside, and there is the lead screw at apical plate cover internal thread, serve at the lead screw orientation rotating head and be connected with the apical head that is used for supporting the integral key shaft head end, then can drive the lead screw through rotating the lead screw and take place the translation for apical plate cover, thereby can drive the apical head and support the integral key shaft head end, make the distance between apical head and the integral key shaft head end finely tune, thereby can guarantee the steadiness of butt between apical head and the integral key shaft head end.

As a further arrangement of the utility model, the one end that the apex head was kept away from to the lead screw is connected with hand round.

Through adopting above-mentioned technical scheme, owing to keep away from the one end of apex head at the lead screw and be connected with hand round, then can rotate the lead screw through rotating hand round, the operation that sets up to rotating the lead screw of hand round provides the point of application of force to make the operation of rotating hand round become more light laborsaving.

As a further setting of the utility model, the claw arm and the claw hook are made of stainless steel materials.

Through adopting above-mentioned technical scheme, because claw arm and claw hook all adopt stainless steel material to make, stainless steel material intensity and hardness are higher and difficult corrosion for claw arm and claw hook are not fragile, and have prolonged the life of claw arm and claw hook greatly.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses output at the motor is connected with the positioning seat, and the positioning seat is including rotating the head and setting up the location clamping jaw on rotating the first perisporium, then when the grinding machine uses, can insert the positioning seat with the tail end of integral key shaft, make the overhead locating pin of rotating support the tail end of integral key shaft, the clamping jaw of fixing a position simultaneously can carry the integral key shaft tail end and carry out the bearing, thereby realize the location to the integral key shaft tail end, then need not support the integral key shaft tail end with the hand, only need remove the tailstock seat, make the apex seat support the head end of integral key shaft and can fix the integral key shaft on the workstation, the operation is comparatively labour saving and time saving, make.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a half-sectional view of the positioning seat of the present invention;

fig. 5 is a schematic view of the connection structure of the middle headstock and the center seat of the present invention.

Reference numerals: 1. a body; 2. a work table; 3. a polishing mechanism; 4. a headstock; 5. a tailstock base; 6. a tip seat; 7. a motor; 8. rotating the head; 9. positioning pins; 10. positioning the clamping jaw; 101. a claw arm; 102. a claw hook; 11. a cavity; 12. a stopper; 13. a slide bar; 14. a resisting block; 15. an elastic member; 16. a non-slip mat; 17. A barrel; 18. a tip sleeve; 19. a screw rod; 20. a pointed head; 21. hand-operated wheel.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, a spline shaft grinding machine comprises a machine body 1, the machine body 1 comprises a workbench 2, a clamping mechanism is arranged on the workbench 2, a polishing mechanism 3 is arranged above the clamping mechanism, the clamping mechanism comprises a bed head seat 4 and a tailstock seat 5 which are parallel to each other, a tip seat 6 for abutting against the head end of a spline shaft is arranged on the bed head seat 4, the tip seat 6 comprises a cylinder 17, a tip sleeve 18 is arranged inside the cylinder 17, a screw rod 19 is connected inside the tip sleeve 18 in a threaded manner, a tip 20 for abutting against the head end of the spline shaft is connected to one end of the screw rod 19 facing to a rotating head 8, a hand wheel 21 is connected to one end of the screw rod 19 far away from the tip 20, a motor 7 is arranged on the tailstock seat 5, a positioning seat is connected to the output end of the motor 7, the positioning seat comprises the rotating head 8 fixed on the output end of the motor, the rotating head 8 is cylindrical, a positioning pin 9 for abutting against the tail end of the spline shaft is arranged on one side of the rotating head 8, which is far away from the motor 7, a plurality of positioning clamping jaws 10 for clamping the tail end of the spline shaft are arranged on the peripheral wall of the rotating head 8, each positioning clamping jaw 10 comprises a claw arm 101 and a claw hook 102 which are integrally connected, each claw arm 101 and each claw hook 102 are made of stainless steel materials, a non-slip pad 16 is arranged on the inner surface of each claw arm 101, each non-slip pad 16 is made of rubber materials, each claw hook 102 is vertically connected to one end, far away from the rotating head 8, of each claw arm 101, a plurality of cavities 11 are formed in the peripheral wall of the rotating head 8, a stop block 12 is arranged inside each cavity 11, a sliding rod 13 which penetrates through the stop block 12 and is connected inside each cavity 11 is arranged at one end, far away from the claw hook 102, of each sliding rod 13 is connected with an abutting block 14, the elastic piece 15 can keep the abutting block 14 to be always abutted against the bottom wall of the cavity 11 in a natural state, the elastic piece 15 adopts a spring, the elastic piece 15 is sleeved on the sliding rod 13, one end of the elastic piece is fixed at the bottom of the stop block 12, and the other end of the elastic piece is fixed at the top of the abutting block 14.

Because the output at motor 7 is connected with the positioning seat, and the positioning seat is including rotating head 8 and setting up the location clamping jaw 10 on rotating head 8 perisporium, then when the grinding machine uses, can insert the positioning seat with the tail end of integral key shaft, make the locating pin 9 on the rotation head 8 support the tail end of integral key shaft, location clamping jaw 10 can clip the integral key shaft tail end and carry out the bearing simultaneously, thereby realize the location to the integral key shaft tail end, then need not support the integral key shaft tail end with the hand, only need remove tailstock seat 5, make apex seat 6 support the head end of integral key shaft and can fix the integral key shaft on workstation 2, the operation is comparatively labour saving and time saving, make the machining efficiency of grinding machine higher.

Because the positioning clamping jaw 10 comprises the jaw arm 101 and the jaw hook 102 which are integrally connected, and the jaw hook 102 is vertically connected to one end of the jaw arm 101 far away from the rotating head 8, when the tail end of the spline shaft is clamped by the positioning clamping jaw 10, the jaw arm 101 can be abutted against the peripheral wall of the tail end of the spline shaft to play a bearing role, and the jaw hook 102 can hook the bottom surface of the tail end of the spline shaft to prevent the tail end of the spline shaft from falling off from the inside of the positioning clamping jaw 10, thereby ensuring the clamping and positioning effects of the positioning clamping jaw 10 on the tail end of the spline shaft, and because the anti-slip mat 16 is arranged on the inner surface of the jaw arm 101, and the anti-slip mat 16 is made of rubber material, the durability is better, the friction coefficient on the inner surface of the jaw arm 101 can be increased by the arrangement of the anti-slip mat 16, so that the jaw arm 101 is not easy to slip when abutted against the, because the claw arm 101 and the claw hook 102 are both made of stainless steel materials, the stainless steel materials have high strength and hardness and are not easy to rust, so that the claw arm 101 and the claw hook 102 are not easy to damage, and the service lives of the claw arm 101 and the claw hook 102 are greatly prolonged.

When the positioning seat is used, all the positioning clamping jaws 10 can be simultaneously pulled outwards, the sliding rod 13 can ascend along with the sliding rod and continuously extend out of the cavity 11, so that the supporting block 14 is driven to ascend and continuously keep away from the bottom wall of the cavity 11, the elastic piece 15 can be pressed towards the stop block 12 by the ascending of the supporting block 14, the elastic piece 15 is compressed and deformed, at the moment, the positioning clamping jaws 10 are mutually far away, so that a space enough for inserting the tail end of the spline shaft is reserved, at the moment, the tail end of the spline shaft can be inserted into the positioning clamping jaws 10, then the positioning clamping jaws 10 are released, the elastic piece 15 can extend and recover the original shape by placing external force, so that the positioning clamping jaws 10 are reset, the positioning clamping jaws 10 can firmly clamp the tail end of the spline shaft along with the elastic piece 15, the elastic piece 15 is sleeved on the sliding rod 13, and one end of the elastic, the other end is fixed on the top of the resisting block 14, and the spring has better elastic recovery capability, thereby ensuring the automatic reset effect of the positioning clamping jaw 10.

Because the apical plate seat 6 includes barrel 17, at the inside apical plate cover 18 that is provided with of barrel 17, and there is lead screw 19 at apical plate cover 18 inside threaded connection, 19 serve towards the rotatory head 8 of lead screw and be connected with the apical plate 20 that is used for supporting the integral key shaft head end, then can drive lead screw 19 for apical plate cover 18 takes place the translation through rotating lead screw 19, thereby can drive apical plate 20 and support the integral key shaft head end, make the distance between apical plate 20 and the integral key shaft head end finely tune, thereby can guarantee the steadiness of butt between apical plate 20 and the integral key shaft head end, and because the one end of keeping away from apical plate 20 at lead screw 19 is connected with hand wheel 21, then can rotate lead screw 19 through rotating hand wheel 21, the operation that sets up to rotating lead screw 19 of hand wheel 21 provides the point of exerting oneself, thereby make the operation of rotating hand wheel 21 become more light laborsaving.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a spline shaft grinding machine, includes organism (1), organism (1) includes workstation (2), be provided with clamping machine on workstation (2) and construct, clamping machine constructs the top and is provided with grinding machanism (3), its characterized in that: clamping machine constructs including headstock (4) and tailstock seat (5) that are parallel to each other, be provided with on headstock (4) and be used for supporting apex seat (6) of integral key shaft head end, be provided with motor (7) on tailstock seat (5), the output of motor (7) is connected with the positioning seat, the positioning seat is including fixing rotation head (8) on motor (7) output, it is cylindrical to rotate head (8), it is provided with locating pin (9) that are used for supporting the spline shaft tail end to rotate head (8) in the one side that deviates from motor (7), be provided with a plurality of positioning clamping jaw (10) that are used for centre gripping spline shaft tail end on the perisporium of rotation head (8).

2. The spline shaft grinding machine according to claim 1, characterized in that: the positioning clamping jaw (10) comprises a jaw arm (101) and a jaw hook (102) which are integrally connected, and the jaw hook (102) is vertically connected to one end, far away from the rotating head (8), of the jaw arm (101).

3. The spline shaft grinding machine according to claim 2, characterized in that: the rotary head is characterized in that a plurality of cavities (11) are formed in the peripheral wall of the rotary head (8), a stop block (12) is arranged inside the cavity (11), one end, far away from the claw hook (102), of the claw arm (101) is provided with a sliding rod (13) penetrating through the stop block (12) and connected inside the cavity (11) in a sliding mode, one end, penetrating through the stop block (12), of the sliding rod (13) is connected with a supporting block (14), an elastic piece (15) is connected between the supporting block (14) and the stop block (12), and the elastic piece (15) is used for keeping the supporting block (14) in a natural state to be always abutted against the bottom wall of the cavity (.

4. A spline shaft grinding machine according to claim 3, characterized in that: the elastic piece (15) is a spring, the elastic piece (15) is sleeved on the sliding rod (13), one end of the elastic piece is fixed to the bottom of the stop block (12), and the other end of the elastic piece is fixed to the top of the abutting block (14).

5. The spline shaft grinding machine according to claim 2, characterized in that: the inner surfaces of the claw arms (101) are provided with anti-slip pads (16), and the anti-slip pads (16) are made of rubber materials.

6. The spline shaft grinding machine according to claim 1, characterized in that: apex seat (6) include barrel (17), barrel (17) inside is provided with apex cover (18), apex cover (18) inside threaded connection has lead screw (19), lead screw (19) are served towards serving of rotating head (8) and are connected with apex (20) that are used for supporting the integral key shaft head end.

7. The spline shaft grinding machine according to claim 6, characterized in that: one end of the screw rod (19) far away from the ejector point head (20) is connected with a hand-operated wheel (21).

8. The spline shaft grinding machine according to claim 2, characterized in that: the claw arm (101) and the claw hook (102) are both made of stainless steel materials.

Images