CN215090772U

CN215090772U - Boring clamp for sleeve fork

Info

Publication number: CN215090772U
Application number: CN202121456377.XU
Authority: CN
Inventors: 宋贝贝; 苏松磊; 孙新嵩; 孙宜雷
Original assignee: Shanghai Nashen Auto Parts Co ltd
Current assignee: Shanghai Nashen Auto Parts Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-10
Anticipated expiration: 2031-06-29

Abstract

The utility model provides a sleeve pipe fork bore hole anchor clamps, which comprises a base, be provided with a first cavity in the base, the rear end of removing the axle passes the opening and extends backward, the front side of base has three cassette along the circumferencial direction equipartition, all be provided with a second cavity in arbitrary cassette, arbitrary second cavity all communicates with first cavity, all be provided with a push rod and a briquetting in the arbitrary second cavity respectively, the front end of removing the axle and the rear end fixed connection of three push rod, the front end of push rod is provided with the slide wedge, the briquetting is located the front side of slide wedge, be provided with a chute in the trailing flank of briquetting, the slide wedge cooperation sets up in the chute. The utility model discloses a sleeve pipe fork bore hole anchor clamps pass through the cushion and fix a position work piece head, promote smooth briquetting and jack catch through push rod and slide wedge and press from both sides the work piece tightly and fix a position for the location is more accurate, and the clamping is more firm, and the work piece is difficult for shaking during the bore hole, has improved machining efficiency and quality.

Description

Boring clamp for sleeve fork

Technical Field

The utility model relates to the field of machinary, especially, relate to frock clamp, particularly a sleeve pipe fork bore hole anchor clamps.

Background

The sleeve fork is an important component of the transmission shaft, and the sleeve fork is matched with the spline shaft and used for transmitting torque and meeting the requirement of movement amount. The casing fork boring fixture in the prior art has the defects of inaccurate positioning, infirm clamping and easy shaking during boring, and influences the processing quality and efficiency.

Disclosure of Invention

An object of the utility model is to provide a sleeve pipe fork bore hole anchor clamps, this kind of sleeve pipe fork bore hole anchor clamps solve the technical problem of the sleeve pipe fork bore hole anchor clamps among the prior art location inaccurate, the not firm of clamping, easy shake during bore hole.

The utility model discloses a boring fixture for a casing fork, which comprises a base, wherein a first cavity is arranged in the base, an opening is arranged in the rear side surface of the base, a moving shaft is arranged in the first cavity, the moving shaft and the base form an axial sliding pair in a direction parallel to the moving shaft, the rear end of the moving shaft passes through the opening and extends backwards, three clamping seats are uniformly distributed on the front side of the base along the circumferential direction, a second cavity is arranged in any one clamping seat, any one second cavity is communicated with the first cavity, a push rod and a sliding block are respectively arranged in any one second cavity, the front end of the moving shaft is fixedly connected with the rear ends of the three push rods, a wedge is arranged at the front end of the push rod, the sliding block is positioned at the front side of the wedge, a chute is arranged in the rear side surface of the sliding block, the wedge is matched and arranged in the chute, any one sliding block and the clamping seat form a radial sliding pair parallel to the base, the inner side of any one sliding pressing block is fixedly connected with a clamping jaw through a first bolt, any one clamping jaw penetrates through the clamping seat along the radial direction and faces the axis of the base, the center of the front end face of the base is connected with a cushion block through a second bolt, and the rear side of the base is connected with a machine tool connecting flange through a third bolt.

Furthermore, three clamping blocks are uniformly distributed at the front end of the moving shaft along the circumferential direction, a clamping groove is respectively formed in the side face of any one push rod, and the moving shaft is fixedly connected with the push rods through the matching of the clamping blocks and the clamping grooves.

Furthermore, a sleeve body is fixedly arranged in the opening through a fourth bolt, and the moving shaft is arranged in the sleeve body.

Furthermore, the rear side section of the inner hole of the machine tool connecting flange is conical.

Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses a sleeve pipe fork bore hole anchor clamps pass through the cushion and fix a position work piece head, promote smooth briquetting and jack catch through push rod and slide wedge and press from both sides the work piece tightly and fix a position for the location is more accurate, and the clamping is more firm, and the work piece is difficult for shaking during the bore hole, has improved machining efficiency and quality.

Drawings

Fig. 1 is the utility model discloses a cross-sectional structure schematic diagram of sleeve pipe fork bore hole anchor clamps.

Fig. 2 is the utility model discloses a side view structure schematic diagram of sleeve pipe fork bore hole anchor clamps.

Fig. 3 is a schematic structural diagram of a base in a boring jig for a casing fork according to the present invention.

Fig. 4 is a schematic cross-sectional structural view of a base in a boring jig for a casing fork according to the present invention.

Fig. 5 is a schematic top view of the base in the boring jig for a casing fork according to the present invention.

Fig. 6 is a schematic bottom view of the base in the boring jig for a casing fork according to the present invention.

Fig. 7 is a schematic cross-sectional structural view of a movable shaft in a boring jig for a casing fork according to the present invention.

Fig. 8 is a schematic top view of the movable shaft in the boring jig for a casing fork according to the present invention.

Fig. 9 is a front view structural diagram of a push rod in a boring fixture for a casing fork according to the present invention.

Fig. 10 is a right-side view structural diagram of a push rod in a casing fork boring jig according to the present invention.

Fig. 11 is a structural diagram of the sliding block in the boring fixture of the sleeve fork according to the present invention.

FIG. 12 is a schematic sectional view A-A of FIG. 11.

FIG. 13 is a schematic sectional view of the structure of FIG. 12B-B.

Fig. 14 is a left side view of the structure of fig. 12.

Fig. 15 is a schematic structural view of a claw in a boring jig for a sleeve fork according to the present invention.

Fig. 16 is a schematic cross-sectional structural view of a jaw in a boring jig for a casing fork according to the present invention.

Fig. 17 is a front view of the sleeve body of the boring jig for a sleeve fork of the present invention.

Fig. 18 is a schematic cross-sectional structural view of the sleeve body in the boring jig for a sleeve fork according to the present invention.

Fig. 19 is a front view structural diagram of a machine tool connecting flange in a casing fork boring jig of the present invention.

Fig. 20 is a schematic cross-sectional structural view of a machine tool connecting flange in a casing fork boring jig according to the present invention.

FIG. 21 is a schematic sectional view A-A of FIG. 19.

Fig. 22 is a schematic cross-sectional structural view of a cushion block in a casing fork boring jig according to the present invention.

Detailed Description

Example 1

The present invention will be further described with reference to the accompanying drawings and embodiments, but the present invention is not limited to this embodiment, and the protection scope of the present invention should be included in all similar structures and similar variations thereof.

As shown in fig. 1-22, the boring jig for a casing fork of the present invention comprises a base 1, a first cavity 2 is disposed in the base 1, an opening 17 is disposed in a rear side surface of the base 1, a movable shaft 4 is disposed in the first cavity 2, the movable shaft 4 and the base 1 form an axial sliding pair whose direction is parallel to the movable shaft 4, a rear end of the movable shaft 4 passes through the opening 17 and extends rearward, three clamping seats 3 are uniformly distributed on a front side of the base 1 along a circumferential direction, a second cavity is disposed in any one of the clamping seats 3, any one of the second cavities is communicated with the first cavity 2, a push rod 5 and a sliding block 6 are disposed in any one of the second cavities, a front end of the movable shaft 4 is fixedly connected with rear ends of the three push rods 5, a wedge 7 is disposed at a front end of the push rod 5, the sliding block 6 is disposed at a front side of the wedge 7, a chute 8 is arranged in the rear side face of each sliding pressing block 6, a wedge 7 is arranged in the chute 8 in a matched mode, each sliding pressing block 6 and the clamping seat 3 form a radial sliding pair parallel to the base 1, the inner side of each sliding pressing block 6 is fixedly connected with a clamping jaw 10 through a first bolt 9, each clamping jaw 10 penetrates through the clamping seat 3 in the radial direction and faces the axis of the base 1, the center of the front end face of the base 1 is connected with a cushion block 12 through a second bolt 11, and the rear side of the base 1 is connected with a machine tool connecting flange 14 through a third bolt 13.

Furthermore, three clamping blocks 15 are uniformly distributed at the front end of the moving shaft 4 along the circumferential direction, a clamping groove 16 is respectively formed in the side surface of any one push rod 5, and the moving shaft 4 is fixedly connected with the push rod 5 through the matching of the clamping blocks 15 and the clamping grooves 16.

Furthermore, a sleeve 19 is fixedly arranged in the opening 17 through a fourth bolt 18, and the movable shaft 4 is arranged in the sleeve 19.

Further, the inner hole of the machine tool connecting flange 14 is conical.

Specifically, the wedge 7, the chute 8, the claw 10, the sliding pair, and the like in the present embodiment all adopt the known solutions in the prior art, and those skilled in the art will understand the solutions, and will not be described herein again.

The working principle of the embodiment is as follows:

when the clamp is installed, the machine tool connecting flange 14 and the cushion block 12 are installed in the last step.

The clamp is connected with a machine tool before working, is connected with a taper spigot of the machine tool in a matching way through a taper inner hole of a machine tool connecting flange 14, is fixed through a fifth bolt 121, is then fixedly connected with a machine tool pull rod through a movable shaft 4, and is finally provided with a cushion block 12.

When the clamp works, a workpiece 20 is placed between the three clamping seats 3, the head of the workpiece 20 leans against the cushion block 12 for positioning, the machine tool hydraulic machine works, the moving shaft 4 is driven by the machine tool pull rod to move forwards, the moving shaft 4 drives the push rod 5 to move forwards, and the wedge 7 pushes the three sliding pressing blocks 6 and the clamping jaws 10 to clamp the workpiece 20 in the radial direction through the inclined grooves 8. When the machine tool pull rod drives the moving shaft 4 to move backwards, the push rod 5 moves backwards, and the clamping jaws 10 loosen the workpiece 20.

The utility model discloses a bushing fork bore hole anchor clamps pass through cushion 12 to the 20 head locations of work piece, promote smooth briquetting 6 and jack catch 10 through push rod 5 and slide wedge 7 and press from both sides work piece 20 tightly and fix a position for the location is more accurate, and the clamping is more firm, and work piece 20 is difficult for shaking during the bore hole, has improved machining efficiency and quality.

Claims

1. A casing fork bore hole anchor clamps includes base (1), its characterized in that: a first cavity (2) is arranged in a base (1), an opening (17) is arranged in the rear side face of the base (1), a moving shaft (4) is arranged in the first cavity (2), the moving shaft (4) and the base (1) form an axial sliding pair with the direction parallel to the moving shaft (4), the rear end of the moving shaft (4) penetrates through the opening (17) to extend backwards, three clamping seats (3) are uniformly distributed on the front side of the base (1) along the circumferential direction, a second cavity is arranged in any one of the clamping seats (3), any one of the second cavities is communicated with the first cavity (2), a push rod (5) and a sliding pressing block (6) are respectively arranged in any one of the second cavities, the front end of the moving shaft (4) is fixedly connected with the rear ends of the three push rods (5), an inclined wedge (7) is arranged at the front end of the push rod (5), and the sliding pressing block (6) is positioned on the front side of the inclined wedge (7), a chute (8) is arranged in the rear side face of each sliding pressing block (6), a wedge (7) is arranged in the chute (8) in a matched mode, each sliding pressing block (6) and the clamping seat (3) form a radial sliding pair parallel to the base (1), the inner side of each sliding pressing block (6) is fixedly connected with a clamping jaw (10) through a first bolt (9), each clamping jaw (10) penetrates out of the clamping seat (3) in the radial direction and faces the axis of the base (1), the center of the front end face of the base (1) is connected with a cushion block (12) through a second bolt (11), and the rear side of the base (1) is connected with a machine tool connecting flange (14) through a third bolt (13).

2. A casing fork boring jig according to claim 1, wherein: three clamping blocks (15) are uniformly distributed at the front end of the moving shaft (4) along the circumferential direction, a clamping groove (16) is respectively formed in the side face of any one push rod (5), and the moving shaft (4) is fixedly connected with the push rod (5) through the matching of the clamping blocks (15) and the clamping grooves (16).

3. A casing fork boring jig according to claim 1, wherein: a sleeve body (19) is fixedly arranged in the opening (17) through a fourth bolt (18), and the movable shaft (4) is arranged in the sleeve body (19).

4. A casing fork boring jig according to claim 1, wherein: the inner hole of the machine tool connecting flange (14) is conical.