CN212976935U

CN212976935U - Gear key groove pulling clamp

Info

Publication number: CN212976935U
Application number: CN202021216323.1U
Authority: CN
Inventors: 段含辉
Original assignee: Chongqing Winstar Precise Machinery Co ltd
Current assignee: Chongqing Winstar Precise Machinery Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-16
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a gear draws keyway anchor clamps, draw the holder including one, be fixed with an installation axle in drawing the holder, installation axle middle part is fixed with a mounting disc, link up in the installation axle and has seted up a draw groove slot hole, fixedly connected with draws the clamp splice on the mounting disc, it includes two connection curb plates to draw the clamp splice, it is fixed with a connection diaphragm to connect the curb plate top, swing joint has a hold-down mechanism in the connection diaphragm, hold-down mechanism includes a hold-down shaft, a pair of pinion rack is installed to hold-down shaft bottom, the tooth's socket phase-match of pinion rack and gear. This draw keyway anchor clamps simple structure, can be fast and stable fix a position the gear for the broaching machine is more convenient to its draw keyway, and efficiency is higher.

Description

Gear key groove pulling clamp

Technical Field

The utility model belongs to gear key groove field, concretely relates to gear key groove anchor clamps.

Background

When gear keyway processes, generally adopt the broaching machine to carry out the trompil, when the broaching machine carries out the trompil, need fix a position the gear earlier, at present, when the gear advances line location, the efficient processing method of anchor clamps structure gear hole keyway of adoption is exactly to draw the key, and present trompil anchor clamps structure is complicated, and when advancing line location to the gear, the step is more loaded down with trivial details, and clamping efficiency is not high.

SUMMERY OF THE UTILITY MODEL

In order to solve one or more above-mentioned defects among the prior art, the utility model aims to solve the technical problem that a gear broaching key groove anchor clamps is provided, this broaching key groove anchor clamps simple structure, can fast and stable fix a position the gear for the broaching machine is more convenient when broaching the key groove to it, and efficiency is higher.

In order to realize the above-mentioned purpose, the utility model provides a gear draws keyway anchor clamps, draw the holder including one, be fixed with an installation axle in drawing the holder, the installation axle middle part is fixed with a mounting disc, link up in the installation axle and has seted up a draw groove slot hole, fixedly connected with draws the clamp splice on the mounting disc, it includes two connection curb plates to draw the clamp splice, it is fixed with a connection diaphragm to connect the curb plate top, swing joint has a hold-down mechanism in the connection diaphragm, hold-down mechanism includes the last step shaft, a pair of pinion rack is installed to the last step shaft bottom, match pinion rack and gear tooth's slot.

Further, the mounting shaft comprises a large diameter part and a small diameter part, and the outer diameter of the large diameter part is matched with the central hole of the gear.

Further, the lower pressing shaft comprises a square vertical rod, a T-shaped cross rod is arranged at the top of the square vertical rod, spring holes are formed in the inner walls of two sides of the T-shaped cross rod, a reset spring is fixedly connected to each spring hole, a lower pressing head is connected to each connecting transverse plate through threads, and a rotating handle is fixed to the top of each lower pressing head.

Further, the opposite toothed plates are connected to the bottom of the lower pressing shaft through screws.

Furthermore, the upper surface of the pulling and clamping block is provided with a guide hole, and a guide rod which is used for penetrating through the guide hole is fixed on the T-shaped cross rod.

The utility model has the advantages that:

firstly, the key slot broaching fixture is simple in structure, and can quickly and stably position the gear, so that a broaching machine can more conveniently and efficiently broach the key slot;

secondly, the mounting shaft is provided with the large-diameter part and the small-diameter part, so that the gear can enter the mounting shaft more conveniently and quickly, and the gear can be preliminarily fixed on the large-diameter part;

thirdly, because the last push shaft includes a square pole setting, the push shaft can only remove in vertical direction when being pushed down, simultaneously, the T type horizontal pole at square pole setting top can recover initial position under reset spring's effect after being pushed down the pressure by the pressure head and unloading, the next gear of being convenient for draw the keyway operation.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a perspective view of the present invention in another direction.

In the figure: 1. pulling the clamp seat; 2. installing a shaft; 3. mounting a disc; 4. drawing slot holes; 5. pulling the clamping block; 6. connecting the side plates; 7. connecting the transverse plates; 8. a toothed plate; 9. a gear; 10. a large diameter part; 11. a small diameter part; 12. a square upright rod; 13. a T-shaped cross bar; 14. a return spring; 15. a guide hole; 16. a guide bar; 17. a lower pressure head; 18. rotary handle

Detailed Description

The invention will be further explained with reference to the following figures and examples:

referring to fig. 1 to 3, a gear key groove pulling clamp includes a pulling clamp base 1, an installation shaft 2 is fixed in the pulling clamp base 1, a mounting disc 3 is fixed in the middle of the installation shaft 2, a slot-pulling long hole 4 is formed in the installation shaft 2 in a penetrating manner, a clamping block 5 is fixedly connected to the installation disc 3, the clamping block 5 includes two connection side plates 6, a connection transverse plate 7 is fixed at the top of the connection side plate 6, a pressing mechanism is movably connected to the connection transverse plate 7, the pressing mechanism includes a pressing shaft, a pair of toothed plates 8 is installed at the bottom of the pressing shaft, and the toothed plates 8 and the gear 9 are matched with each other in tooth grooves.

When in use, the utility model is firstly fixedly connected to the machine tool of the key-pulling groove by the pull-clamping seat 1, when the gear 9 needs to be splined, the gear 9 is firstly connected to the mounting shaft 2, after the gear 9 is connected, the broaching tool is led into a moving block of the broaching machine from the broaching long groove and then is fixedly connected to the moving block of the broaching machine, the gear 9 is pressed by a pressing mechanism connected with the transverse plate 7, particularly, the gear 9 is pressed by a toothed plate 8 on a pressing shaft, after the gear 9 is pressed, the gear 9 is positioned in the vertical direction and the circumferential direction, finally, the broaching machine pulls the broaching tool positioned in the slot-drawing long hole 4 to move backwards, in the process that the broach moves backwards, the action of pulling the key groove is completed, finally, the broach withdraws, the pressing mechanism does not press the gear 9, and the gear 9 can be taken down.

Further, the mounting shaft 2 includes a large diameter portion 10 and a small diameter portion 11, and the outer diameter of the large diameter portion 10 matches the central hole of the gear 9. Specifically, the utility model discloses an installation axle 2 includes wide diameter portion 10 and narrow diameter portion 11, through the setting of narrow diameter portion 11, when gear 9 enters into installation axle 2, can be faster, through wide diameter portion 10's setting, can make gear 9 when drawing the keyway, the position is more stable for gear 9 draws the quality of keyway better.

Further, the lower pressing shaft comprises a square vertical rod, a T-shaped cross rod 13 is arranged at the top of the square vertical rod, spring holes are formed in the inner walls of two sides of the T-shaped cross rod 13, a reset spring 14 is fixedly connected to each spring hole, a lower pressing head 17 is connected to the connecting transverse plate 7 through threads, and a rotating handle is fixed to the top of the lower pressing head 17. Specifically, the utility model discloses a mechanism pushes down is a lifter, through T type horizontal pole 13 at lifter top with draw 5 phase-matches of clamp splice, when T type horizontal pole 13 is compressed tightly downwards, to among the pinion rack 8 will compress tightly the tooth's socket of gear 9, in addition, in order to make the utility model discloses it is more convenient when compressing tightly gear 9, at the fixed rotatory handle in pressure head 17 top down, through the setting of rotatory handle for convenient and fast more when pushing down the lifter.

Further, the opposite toothed plates 8 are connected to the bottom of the lower pressing shaft through screws. The utility model discloses a to pinion rack 8 is through the screwed connection in the bottom of pushing down the axle, that is to say, can be to the pinion rack 8 change in the gear 9 to the difference, make the utility model discloses an adaptability is wider.

Further, the upper surface of the pulling and clamping block 5 is provided with a guide hole 15, and a guide rod 16 for passing through the guide hole 15 is fixed on the T-shaped cross rod 13. The utility model discloses a set up guiding hole 15 drawing 5 upper surfaces of clamp splice, can make guide bar 16 on the T type horizontal pole 13 enter into among the guiding hole 15, prevent that the lifter from producing cheaply in the downstream, simultaneously, can play the effect of location reset spring 14, guarantee that reset spring 14 can not buckle and drop in the compression.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a gear draws keyway anchor clamps, its characterized in that, draws the holder including one, be fixed with an installation axle in drawing the holder, installation axle middle part is fixed with a mounting disc, link up in the installation axle and has seted up a draw groove slot hole, fixedly connected with draws the clamp splice on the mounting disc, it includes two connection curb plates to draw the clamp splice, it is fixed with a connection diaphragm to connect the curb plate top, swing joint has a hold-down mechanism in the connection diaphragm, hold-down mechanism includes the push-down axle, a pair of pinion rack is installed to push-down axle bottom, the tooth's socket phase-match of pinion rack and gear.

2. The gear keyway draw clamp of claim 1, wherein the mounting shaft includes a large diameter portion and a small diameter portion, the large diameter portion having an outer diameter that matches the central bore of the gear.

3. The gear key groove pulling clamp as claimed in claim 2, wherein the lower pressing shaft comprises a square vertical rod, a T-shaped cross rod is arranged at the top of the square vertical rod, a spring hole is formed in the inner wall of each of two sides of the T-shaped cross rod, a return spring is fixedly connected in the spring hole, a lower pressing head is connected in the connecting transverse plate in a threaded mode, and a rotating handle is fixed at the top of the lower pressing head.

4. The gear spline clamp of claim 3, wherein the counter plate is connected to the bottom of the hold-down shaft by screws.

5. The gear key groove pulling clamp of claim 4, wherein a guide hole is formed in the upper surface of the pulling and clamping block, and a guide rod for passing through the guide hole is fixed on the T-shaped cross rod.