阅读说明：本技术 一种用于空心轴叉生产加工的夹具工装 (A anchor clamps frock for hollow shaft fork production and processing ) 是由 陈红凯 李宏杰 胡小耿 王玉玲 于 2021-09-18 设计创作，主要内容包括：本发明提供一种用于空心轴叉生产加工的夹具工装,包括底座、支撑板、第一夹持部和第二夹持部；所述第一夹持部可在所述底座的上端面左右滑动,所述第二夹持部固定设置在所述底座的上端面,所述第一夹持部和所述第二夹持部左右对称设置,所述第一夹持部和所述第二夹持部用于夹持空心轴叉,所述支撑板设置在所述底座的上端面,所述支撑板位于所述第一夹持部和所述第二夹持部之间,所述支撑板用于支撑空心轴叉U型槽的上壁,通过设置第一夹持部和第二夹持部能够将空心轴叉光轴的外壁夹紧,通过设置支撑板,能够支撑空心轴叉U型槽的上壁,从而将空心轴叉装夹固定,便于在空心轴叉光轴的内腔加工内花键。(The invention provides a fixture tool for producing and processing a hollow shaft fork, which comprises a base, a supporting plate, a first clamping part and a second clamping part, wherein the supporting plate is arranged on the base; first clamping part can the up end horizontal slip of base, the fixed setting of second clamping part is in the up end of base, first clamping part with second clamping part bilateral symmetry sets up, first clamping part with the second clamping part is used for centre gripping hollow shaft fork, the backup pad sets up the up end of base, the backup pad is located first clamping part with between the second clamping part, the backup pad is used for supporting the upper wall in hollow shaft fork U type groove, can press from both sides the outer wall of hollow shaft fork optical axis tightly through setting up first clamping part and second clamping part, through setting up the backup pad, can support the upper wall in hollow shaft fork U type groove to it is fixed with the hollow shaft fork clamping, be convenient for at the inner chamber processing internal spline of hollow shaft fork optical axis.)

1. The utility model provides a fixture attachment for hollow shaft fork production and processing which characterized in that: comprises a base (1), a support plate (11), a first clamping part (2) and a second clamping part (3);

first clamping part (2) can the up end horizontal slip of base (1), second clamping part (3) is fixed to be set up the up end of base (1), first clamping part (2) with second clamping part (3) bilateral symmetry sets up, first clamping part (2) with second clamping part (3) are used for the hollow shaft fork of centre gripping, backup pad (11) set up the up end of base (1), backup pad (11) are located first clamping part (2) with between second clamping part (3), backup pad (11) are used for supporting the upper wall in hollow shaft fork U type groove.

2. The fixture tool for the production and processing of the hollow shaft fork as claimed in claim 1, wherein: but first clamping part (2) are including bottom plate (21) of horizontal slip, the fixed first support column (22) that is equipped with of up end of bottom plate (21), first support column (22) demountable installation has first clamp splice (23), second clamping part (3) are including fixed the setting second support column (31) of base (1) up end, second support column (31) demountable installation has second clamp splice (32), first clamp splice (23) with the one end that second clamp splice (32) are close to each other all is equipped with snap ring (231), and bilateral symmetry sets up snap ring (231) are used for the outer wall of chucking hollow shaft fork optical axis.

3. The fixture tool for the production and processing of the hollow shaft fork as claimed in claim 2, wherein: the upper end face of the base (1) is symmetrically provided with tracks (12) in front and back, sliders (4) capable of sliding left and right are arranged in the tracks (12), and the sliders (4) are symmetrically arranged in front and back and are fixedly connected with the bottom plate (21) through bolts.

4. The fixture tool for the production and processing of the hollow shaft fork as claimed in claim 3, wherein: the upper end face of the base (1) is provided with an electric telescopic rod (13), and the output end of the electric telescopic rod (13) is fixedly connected with the left end face of the bottom plate (21).

5. The fixture tool for the production and processing of the hollow shaft fork as claimed in claim 3, wherein: the front wall and the rear wall of the track (12) are provided with limiting grooves (121), and the front wall and the rear wall of the sliding block (4) are symmetrically provided with limiting blocks (41) which are in sliding connection with the limiting grooves (121).

6. The fixture tool for the production and processing of the hollow shaft fork as claimed in claim 2, wherein: the first supporting column (22) and the second supporting column (31) are correspondingly provided with penetrating grooves (221) penetrating through the left end and the right end of the first supporting column (22) and the second supporting column (31), the first clamping block (23) and the second clamping block (32) can be inserted into the penetrating grooves (221), the upper end faces of the first clamping block (23) and the second clamping block (32) are bilaterally symmetrically provided with penetrating holes (232), the left end and the right end of the first supporting column (22) and the second supporting column (31) are sequentially provided with a first semicircular groove (222) and a second semicircular groove (223) along the vertical direction, the first semicircular groove (222) and the second semicircular groove (223) extend into the penetrating grooves (221), the upper end of the first semicircular groove (222) extends out of the upper end faces of the first supporting column (22) and the second supporting column (31), and cylindrical pins (5) are arranged in the penetrating holes (232), the cylindrical pin (5) penetrates through the first semicircular groove (222) and the through hole (232) in sequence and then extends into the second semicircular groove (223).

7. The fixture tool for the production and processing of the hollow shaft fork as claimed in claim 6, wherein: the front wall and the rear wall of the first clamping block (23) and the second clamping block (32) are respectively provided with a limiting tooth (233), the front wall and the rear wall of the penetrating groove (221) are respectively provided with a tooth groove (2211) matched with the limiting tooth (233), and the sections of the tooth groove (2211) and the limiting tooth (233) are semicircular.

Technical Field

The invention relates to the technical field of shaft forks, in particular to a fixture tool for producing and processing a hollow shaft fork.

Background

The spline shaft fork is a core part of a rear axle transmission shaft of the heavy truck, and the torque of an engine reaches the rear axle through the transmission shaft and is transmitted to wheels through a half shaft to push the truck to move forward.

In the prior art, when an inner spline is machined in an inner cavity of an optical axis of a hollow shaft fork, how to clamp and fix the hollow shaft fork is a technical problem to be solved urgently by a process of broaching the inner spline of the hollow shaft fork.

The invention aims to provide a fixture tool for producing and processing a hollow shaft fork, which solves the problems mentioned in the background technology.

Disclosure of Invention

In order to achieve the purpose, the invention provides a fixture tool for producing and processing a hollow shaft fork, which comprises a base, a supporting plate, a first clamping part and a second clamping part, wherein the supporting plate is arranged on the base; first clamping part can the up end horizontal slip of base, the fixed setting of second clamping part is in the up end of base, first clamping part with second clamping part bilateral symmetry sets up, first clamping part with the second clamping part is used for centre gripping hollow shaft fork, the backup pad sets up the up end of base, the backup pad is located first clamping part with between the second clamping part, the backup pad is used for supporting the upper wall in hollow shaft fork U type groove.

By adopting the technical scheme, the outer wall of the optical axis of the hollow shaft fork can be clamped tightly by arranging the first clamping part and the second clamping part, and the upper wall of the U-shaped groove of the hollow shaft fork can be supported by arranging the supporting plate, so that the hollow shaft fork is clamped and fixed, and the inner spline can be conveniently processed in the inner cavity of the optical axis of the hollow shaft fork.

Preferably, but first clamping part is including the bottom plate of horizontal slip, the fixed first support column that is equipped with of up end of bottom plate, first support column demountable installation has first clamp splice, the second clamping part is including fixed the setting the second support column of base up end, second support column demountable installation has the second clamp splice, first clamp splice with the one end that the second clamp splice is close to each other all is equipped with the snap ring, and bilateral symmetry sets up the snap ring is used for the outer wall of chucking hollow shaft fork optical axis.

By adopting the technical scheme, the first clamping block and the second clamping block can be replaced according to the outer diameter of the optical axis of the hollow shaft fork to be processed by arranging the first clamping block and the second clamping block which are detachably mounted, so that the hollow shaft forks with different diameters can be clamped.

Preferably, the upper end face of the base is symmetrically provided with tracks in front and back, slide blocks capable of sliding left and right are arranged in the tracks, and the slide blocks are symmetrically arranged in front and back and are fixedly connected with the bottom plate through bolts.

By adopting the technical scheme, the sliding blocks which slide left and right in the track can drive the bottom plate to slide left and right, and when the bottom plate slides left and right, the first clamping block and the second clamping block always correspond left and right.

Preferably, the upper end face of the base is provided with an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with the left end face of the bottom plate.

By adopting the technical scheme, the electric telescopic rod is arranged, so that power can be supplied to the first clamping part in a left-right moving mode.

Preferably, the front wall and the rear wall of the track are provided with limit grooves, and the front wall and the rear wall of the sliding block are symmetrically provided with limit blocks in sliding connection with the limit grooves.

By adopting the technical scheme, the position of the sliding block in the vertical direction can be limited by arranging the limiting groove to be matched with the limiting block.

Preferably, first support column with the second support column correspondence is equipped with and runs through first support column with the groove that runs through of both ends about the second support column, first clamp splice with the second clamp splice can be inserted run through the inslot, first clamp splice with the up end bilateral symmetry of second clamp splice is equipped with the through hole, first support column with both ends are equipped with first semicircle groove and second semicircle groove along the vertical direction in proper order about the second support column, first semicircle groove with the second semicircle groove all stretches into run through the inslot, stretch out the upper end in first semicircle groove first support column with the up end of second support column, be equipped with the cylindric lock in the through hole, the cylindric lock runs through in proper order stretch through stretch into behind the first semicircle groove with the through hole in the second semicircle groove.

By adopting the technical scheme, the first clamping block and the second clamping block are matched through the through groove, the first clamping block and the second clamping block can be conveniently installed in the first supporting column and the second supporting column, and the first clamping block and the second clamping block can be fixed in the left and right positions relative to the first supporting column and the second supporting column through the cylindrical pin matched with the first semicircular groove, the through hole and the second semicircular groove.

Preferably, the front wall and the rear wall of the first clamping block and the second clamping block are respectively provided with a limiting tooth, the front wall and the rear wall of the through groove are respectively provided with a tooth socket matched with the limiting tooth, and the cross sections of the tooth socket and the limiting tooth are semicircular.

By adopting the technical scheme, the perpendicularity of the clamping ring can be ensured by arranging a plurality of mutually matched limiting grooves and tooth grooves.

Compared with the prior art, the invention has the beneficial effects that:

1. the outer wall of the optical axis of the hollow shaft fork can be clamped tightly by arranging the first clamping part and the second clamping part, and the upper wall of the U-shaped groove of the hollow shaft fork can be supported by arranging the supporting plate, so that the hollow shaft fork is clamped and fixed, and an internal spline can be conveniently processed in the inner cavity of the optical axis of the hollow shaft fork;

2. according to the invention, the first clamping block and the second clamping block which are detachably mounted are arranged, so that the first clamping block and the second clamping block can be replaced according to the outer diameter of the optical axis of the hollow shaft fork to be processed, and the hollow shaft forks with different diameters can be clamped;

3. the sliding blocks which slide left and right in the track can drive the bottom plate to slide left and right, and the first clamping block and the second clamping block always correspond left and right when the bottom plate slides left and right;

4. according to the invention, the electric telescopic rod is arranged, so that power can be provided for the left and right movement of the first clamping part;

5. the limiting groove is arranged to be matched with the limiting block, so that the position of the sliding block in the vertical direction can be limited;

6. according to the invention, the through grooves are matched with the first clamping block and the second clamping block, so that the first clamping block and the second clamping block can be conveniently installed in the first supporting column and the second supporting column, and the first semicircular groove, the through holes and the second semicircular groove can be matched through the cylindrical pins, so that the left and right positions of the first clamping block and the second clamping block relative to the first supporting column and the second supporting column are fixed;

7. the invention can ensure the verticality of the snap ring by arranging a plurality of mutually matched limiting grooves and tooth grooves.

Drawings

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

FIG. 2 is an enlarged view of the base of the present invention;

FIG. 3 is an enlarged view of the slider of the present invention;

FIG. 4 is an enlarged view of a second support post of the present invention;

FIG. 5 is an enlarged view of a first clamp block of the present invention;

FIG. 6 is an enlarged view of the electric telescopic rod of the present invention;

fig. 7 is an enlarged view of a cylindrical pin of the present invention.

In the figure: 1. a base; 11. a support plate; 12. a track; 13. an electric telescopic rod; 121. a limiting groove; 2. a first clamping portion; 21. a base plate; 22. a first support column; 23. a first clamping block; 221. a through groove; 222. a first semicircular groove; 223. a second semi-circular groove; 231. a snap ring; 232. a through hole; 233. limiting teeth; 2211. a tooth socket; 3. a second clamping portion; 31. a second support column; 32. a second clamp block; 4. a slider; 41. a limiting block; 5. and (7) a cylindrical pin.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to be limiting of the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

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

Example one

Referring to fig. 1-7, a fixture tool for hollow shaft fork production includes a base 1, a supporting plate 11, a first clamping portion 2 and a second clamping portion 3; first clamping part 2 can the up end horizontal slip of base 1, second clamping part 3 is fixed to be set up the up end of base 1, first clamping part 2 with 3 bilateral symmetry of second clamping part set up, first clamping part 2 with second clamping part 3 is used for the hollow shaft fork of centre gripping, backup pad 11 sets up the up end of base 1, backup pad 11 is located first clamping part 2 with between the second clamping part 3, backup pad 11 is used for supporting the upper wall in hollow shaft fork U type groove.

Please refer to fig. 2, 3 and 6, wherein the first clamping portion 2 includes a bottom plate 21 capable of sliding left and right, a first supporting column 22 is fixedly disposed on an upper end surface of the bottom plate 21, a first clamping block 23 is detachably mounted on the first supporting column 22, the second clamping portion 3 includes a second supporting column 31 fixedly disposed on an upper end surface of the base 1, a second clamping block 32 is detachably mounted on the second supporting column 31, clamping rings 231 are disposed at ends of the first clamping block 23 and the second clamping block 32 close to each other, the clamping rings 231 symmetrically disposed left and right are used for clamping outer walls of optical axes of the hollow shaft yoke, rails 12 are symmetrically disposed in front and rear of the upper end surface of the base 1, sliding blocks 4 capable of sliding left and right are disposed in the rails 12, the sliding blocks 4 symmetrically disposed front and rear are fixedly connected with the bottom plate 21 through bolts, an electric telescopic rod 13 is disposed on the upper end surface of the base 1, the output end of the electric telescopic rod 13 is fixedly connected with the left end face of the bottom plate 21, the front wall and the rear wall of the track 12 are provided with limiting grooves 121, and the front wall and the rear wall of the sliding block 4 are symmetrically provided with limiting blocks 41 which are in sliding connection with the limiting grooves 121.

Please refer to fig. 4, 5 and 7, the first support column 22 and the second support column 31 are correspondingly provided with through slots 221 penetrating through the left and right ends of the first support column 22 and the second support column 31, the first clamping block 23 and the second clamping block 32 can be inserted into the through slots 221, the upper end surfaces of the first clamping block 23 and the second clamping block 32 are bilaterally symmetrically provided with through holes 232, the left and right ends of the first support column 22 and the second support column 31 are sequentially provided with a first semicircular slot 222 and a second semicircular slot 223 along the vertical direction, the first semicircular slot 222 and the second semicircular slot 223 both extend into the through slots 221, the upper end of the first semicircular slot 222 extends out of the upper end surfaces of the first support column 22 and the second support column 31, a cylindrical pin 5 is arranged in the through hole 232, the cylindrical pin 5 sequentially penetrates through the first semicircular slot 222 and the through holes 232 and then extends into the second semicircular slot 223, the front wall and the rear wall of the first clamping block 23 and the second clamping block 32 are respectively provided with a limiting tooth 233, the front wall and the rear wall of the through groove 221 are respectively provided with a tooth slot 2211 matched with the limiting tooth 233, and the sections of the tooth slot 2211 and the limiting tooth 233 are both semicircular.

The specific operation mode of the first embodiment of the invention is as follows:

when the fixture tool for producing and processing the hollow shaft fork is used, the U-shaped groove of the hollow shaft fork is inserted into the supporting plate 11 from top to bottom until the supporting plate 11 props against the upper wall of the U-shaped groove, then the hollow shaft fork is slid rightwards to enable the outer wall of the optical axis of the hollow shaft fork to be attached to the clamping ring 231 of the second clamping block 32, then the electric telescopic rod 13 is started, the output end of the electric telescopic rod 13 moves rightwards to push the bottom plate 21 to move rightwards, due to the fact that the rail 12 and the sliding block 4 which are mutually matched are arranged, the clamping rings 231 which are symmetrical left and right can always correspond to each other in the process that the first clamping part 2 moves towards the second clamping part 3, after the optical axis of the hollow shaft fork is clamped and fixed by the clamping rings 231 which are symmetrical left and right, clamping is completed, the central angle of the clamping ring 231 is smaller than one hundred and eighty degrees, and therefore a certain gap is left between the clamping rings 231 which are symmetrical left and right, and starting the broaching machine, and enabling the cylindrical broaching tool of the broaching machine to move downwards and to be inserted into the cavity of the hollow shaft fork to finish the processing of the internal spline.

Example two

When the first clamping block 23 and the second clamping block 32 need to be replaced, the lower end face of the cylindrical pin 5 is knocked upwards by a tool, so that the cylindrical pin 5 is separated from the first semicircular groove 222, the through hole 232 and the second semicircular groove 223, the cylindrical pins 5 on the left side and the right side of the first clamping block 23 and the second clamping block 32 are sequentially dismounted, so that the limitation of the first clamping block 23 and the second clamping block 32 in the left-right direction is released, then one ends of the first clamping block 23 and the second clamping block 32 far away from the clamping ring 231 are knocked by the tool, the first clamping block 23 and the second clamping block 32 can only move in the left-right direction under the limitation of the limiting teeth 233 and the tooth grooves 2211, after the first clamping block 23 and the second clamping block 32 are dismounted, new first clamping block 23 and second clamping block 32 are installed, one end of the first clamping block 23 far away from the clamping ring 231 is aligned with the through groove to be inserted into the through groove 221, the first clamping block 23 is padded in the clamping ring 231, then knocking is carried out, so that the first clamping block 23 is gradually clamped into the through groove 221, through hole 232 that the bilateral symmetry set up corresponds from top to bottom with first semicircular groove 222 and the second semicircular groove 223 that the bilateral symmetry set up respectively, then stretch into second semicircular groove 223 after running through first semicircular groove 222 and through hole 232 with cylindric lock 5 in proper order, cylindric lock 5 through the bilateral symmetry set up is fixed respectively with the both ends of controlling of first clamp splice 23, and owing to be provided with a plurality of spacing tooth 233 cooperation tooth's socket 2211, can guarantee first clamp splice 23 installation fixed back, the straightness that hangs down of snap ring 231, adopt above-mentioned mode to install second clamp splice 32 in the through groove 221 of second support column 31, accomplish the change operation.

The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.