CN210789285U

CN210789285U - Outer quick change jack catch that presss from both sides of flywheel processing usefulness

Info

Publication number: CN210789285U
Application number: CN201921540385.5U
Authority: CN
Inventors: 陈国苹; 王纯孟; 杨云华; 钟秋华
Original assignee: Sichuan Cementhai Machinery Co ltd
Current assignee: Sichuan Cementhai Machinery Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-19
Anticipated expiration: 2029-09-17

Abstract

The utility model provides an external clamp quick-change clamping jaw for flywheel processing, which comprises a three-jaw chuck, wherein three groups of clamping components are arranged at the front end of the three-jaw chuck, the clamping component comprises a mounting plate which is connected to the front end of the three-jaw chuck in a sliding way and is fixedly connected with a sliding block of the three-jaw chuck, the front end of the mounting plate is fixedly connected with a shell, a clamping jaw is arranged in the shell and extends out of one side of the shell close to the center of the three-jaw chuck, the front end of the mounting plate is jointed with the clamping plate, the left end and the right end of the shell are symmetrically provided with two insertion rods, the two insertion rods penetrate through the shell and extend into the clamping jaw, the left side and the right side of the shell are both provided with a baffle plate, one end of the baffle plate close to the shell is fixedly connected with two inserted rods, two springs of fixed connection and spring are in the inserted bar annular outside between shell and the baffle, and this design realizes the quick assembly disassembly of clamping jaw, has greatly improved production efficiency.

Description

Outer quick change jack catch that presss from both sides of flywheel processing usefulness

Technical Field

The utility model relates to an outer quick change jack catch that presss from both sides of flywheel processing usefulness belongs to flywheel processing technology field.

Background

The flywheel of the engine is a driving part of the clutch, a driven disc with friction plates and a driven hub are connected with a driven shaft (namely a driving shaft of a transmission) through a sliding spline, a compression spring compresses the driven disc on the end face of the flywheel, the torque of the engine is transmitted to the driven disc through the friction between the contact surfaces of the flywheel and the driven disc, and then is transmitted to a driving wheel through a series of parts in the driven shaft and a transmission system.

The chinese patent publication No. CN208929245U discloses an external clamp quick-change claw for flywheel machining, which is mounted on a slide block of a three-jaw chuck through a female block, the quick-change claw is mounted on the female block, the front end of the quick-change claw is made into an arc shape matching with a workpiece, the tail end of the quick-change claw has a square head, the quick-change claw is inserted into a square hole of the female block and is tightly matched with the female block, the rear end of the female block is mounted with a stopper, a screw is screwed into a screw hole at the tail end of the quick-change claw through a through hole of the stopper, so as to implement the installation of the quick-change claw, when the size of a part changes, the three claws are detached and replaced with three quick-change claws of corresponding specifications, but when the quick-change claw is replaced, the screw still needs to be rotated for replacement, but the screw rotates for a long time, so that the screw hole generates a thread slipping phenomenon, the.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough that exists to prior art, the utility model aims at providing an outer clamp quick change jack catch of flywheel processing usefulness to solve the jack catch that will be traded once to every production batch product that proposes in the above-mentioned background art, originally need unscrew the jack catch one by one earlier and fix the bolt on the slide, demolish the jack catch, change time is longer like this, the low problem of production efficiency, the utility model discloses the quick assembly disassembly of clamping jaw has greatly improved production efficiency.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an outer clamp quick-change claw for flywheel processing comprises a three-jaw chuck, wherein at least three supporting plates are arranged on the edge of the front end of the three-jaw chuck in the circumferential direction, the front end of the three-jaw chuck is provided with three groups of clamping components, each clamping component comprises a mounting plate, the mounting plate is connected to the front end of the three-jaw chuck in a sliding manner and is fixedly connected with a sliding block of the three-jaw chuck, the front end of the mounting plate is fixedly connected with a shell, a clamping jaw is arranged in the shell and extends out of one side of the shell close to the center of the three-jaw chuck, the front end of the mounting plate is jointed with the clamping plate, the left end and the right end of the shell are symmetrically provided with two insertion rods, the two insertion rods penetrate through the shell and extend into the clamping jaw, the utility model discloses a safety switch, including shell, baffle, two inserted bars of shell one end fixed connection, two springs of fixed connection and spring are in the inserted bar annular outside between shell and the baffle.

Further, three at least protruding type recess and protruding type recess are seted up to three claw chuck ring shape outer end front side edge position equidistance and are extended to three claw chuck front end, the inside sliding connection fixed plate of protruding type recess, the backup pad rear side sets up protruding type recess, the backup pad passes backup pad and protruding type recess and is connected with the fixed plate through bolt fixed connection and bolt with the fixed plate.

Further, the limiting plate is fixed to the inward position of the front end of the supporting plate.

Furthermore, two positioning rods are symmetrically and fixedly connected to the middle position of the rear wall inside the shell, two positioning holes are symmetrically formed in the middle position of the outward end of the clamping jaw, and the positioning rods are arranged in the positioning holes.

Furthermore, an arc-shaped groove is formed in one end, far away from the shell, of the clamping jaw.

Furthermore, the shell is far away from clamping jaw one end symmetry fixed connection two boss and mounting panel fixed connection.

Furthermore, two jacks are symmetrically arranged at the left end and the right end of the clamping jaw, and inserting rods are arranged in the jacks.

Furthermore, a semicircular head is arranged at one end, close to the clamping jaw, of the insertion rod.

Furthermore, the edge angles of the left side and the right side of one end, far away from the arc-shaped groove, of the clamping jaw are all provided with inclined angles.

The utility model has the advantages that: the utility model discloses an outer quick change jack catch that presss from both sides of flywheel processing usefulness, fix the mounting panel to on the slider of three-jaw chuck, and utilize the inserted bar to install the clamping jaw in the shell, the realization is fastened the installation to the clamping jaw, when the part size changes, earlier outside pulling baffle, and then stretch the spring, make the spring produce elasticity, in addition at the outside removal in-process of baffle, can drive the inserted bar and outwards remove, make inserted bar and clamping jaw separation then, remove the restriction to the clamping jaw, and inwards remove the clamping jaw, thereby make clamping jaw and shell separation, in inserting the shell with the clamping jaw of corresponding specification again, and make the inserted bar insert the clamping jaw again, realize the quick assembly disassembly of clamping jaw, production efficiency has greatly been improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of an external clamp quick-change claw for flywheel machining according to the present invention;

FIG. 2 is a schematic view of a clamping assembly in an external-clamping quick-change claw for flywheel machining according to the present invention;

FIG. 3 is an exploded view of a clamping assembly of the external clamp quick-change clamping jaw for flywheel processing according to the present invention;

FIG. 4 is a schematic view of a three-jaw chuck in an external clamp quick-change jaw for flywheel processing according to the present invention;

FIG. 5 is a schematic view of a support plate of the external clamp quick-change claw for flywheel processing according to the present invention;

in the figure: 1-clamping component, 2-three-jaw chuck, 3-support plate, 11-shell, 12-clamping jaw, 13-mounting plate, 14-inserted bar, 15-baffle, 16-spring, 21-convex groove, 31-limiting plate, 32-fixing plate, 111-positioning bar, 112-reinforcing block, 121-arc groove and 122-jack.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an outer quick change jack catch that presss from both sides of flywheel processing usefulness, including three-

jaw chuck

2, 2 front end edge circumference of three-jaw chuck sets up three at least

backup pad

3, 2 front ends of three-jaw chuck set up three centre gripping subassemblies 1, centre gripping subassembly 1 includes mounting panel 13, mounting panel 13 sliding connection is at the slider fixed connection of 2 front ends of three-jaw chuck and mounting panel 13 and three-jaw chuck 2, mounting panel 13 front end fixed connection shell 11, set up clamping jaw 12 and clamping jaw 12 in the shell 11 and extend shell 11 and be close to three-jaw chuck 2 center one side, mounting panel 13 front end laminating splint, the equal symmetry in both ends sets up two inserted bars 14 and two inserted bars 14 all pass shell 11 and extend into clamping jaw 12 about shell 11, the shell 11 left and right sides all sets up baffle 15, baffle 15 is close to two inserted bars 14 of 11 one end fixed connection of shell, two springs 16 of fixed connection and spring 16 are in the annular outside of.

Specifically, the mounting plate 13 is fixed on a sliding block of the three-jaw chuck 2, the clamping jaw 12 is placed at the front end of the mounting plate 13, the clamping jaw 12 is inserted into the shell 11, the clamping jaw 12 is inserted into the clamping jaw 12 through the insertion rod 14 to realize fastening and mounting of the clamping jaw 12, when the size of a part changes, the baffle 15 is pulled outwards first, the spring 16 is stretched, the spring 16 generates elasticity, in addition, in the outward movement process of the baffle 15, the insertion rod 14 is driven to move outwards, the insertion rod 14 is separated from the clamping jaw 12, the limitation on the clamping jaw 12 is removed, the clamping jaw 12 is moved inwards, the clamping jaw 12 is separated from the shell 11, then the clamping jaw 12 with the corresponding specification is inserted into the shell 11, the baffle 15 is released, the insertion rod 14 is moved inwards under the elastic action of the spring 16, the insertion rod 14 is reinserted into the clamping jaw 12, and quick dismounting of the clamping jaw 12 is realized, greatly improving the production efficiency.

At least three protruding type recess 21 and protruding type recess 21 extend to three-jaw chuck 2 front end are seted up to annular outer end front side edge position equidistance of three-jaw chuck 2, the inside sliding connection fixed plate 32 of

protruding type recess

21, 3 rear sides in backup pad set up protruding type recess 21, backup pad 3 passes backup pad 3 and protruding type recess 21 and is connected with fixed plate 32 through bolt fixed connection and bolt with fixed plate 32, specifically, insert fixed plate 32 in fixed plate 32, recycle the bolt and carry out fixed connection with backup pad 3, realize the installation of backup pad 3, also can adjust 3 positions in addition.

The limiting plate 31 is fixed to the inward position of the front end of the supporting plate 3, specifically, the workpiece can be positioned by using the limiting plate 31, and the machining precision is improved.

Two locating levers 111 of shell 11 inside back wall intermediate position symmetry fixed connection, clamping jaw 12 are seted up two locating holes and are set up locating lever 111 in the locating hole towards outer one end intermediate position symmetry, specifically, in clamping jaw 12 installation, can make locating lever 111 insert in the locating hole, realize clamping jaw 12's location installation, promote clamping jaw 12's installation accuracy.

The clamping jaw 12 is provided with an arc-shaped groove 121 at one end far away from the shell 11, and particularly, the clamping of a workpiece is facilitated.

The end of the outer shell 11 far away from the clamping jaw 12 is symmetrically and fixedly connected with the two reinforcing blocks 112, and the two reinforcing blocks 112 are fixedly connected with the mounting plate 13, specifically, the connecting strength of the outer shell 11 and the mounting plate 13 is increased, and the strength of the outer shell 11 towards the outer end is also increased.

Two jacks 122 are symmetrically arranged at the left end and the right end of the clamping jaw 12, and the insertion rods 14 are arranged in the jacks 122, so that the insertion rods 14 can be inserted into the jacks 122, and the clamping jaw 12 can be fastened by the aid of the insertion rods 14.

The end of the plunger 14 adjacent the jaw 12 is provided with a semi-circular head to facilitate, in particular, the insertion of the plunger 14 into the receptacle 122.

The left and right edges of the clamping jaw 12 away from the arc-shaped groove 121 are provided with an inclination angle, and specifically, during the process of inserting the clamping jaw 12 into the housing 11, the inclination angle is designed to enable the inserting rod 14 to move outwards, so that the inserting rod 14 can be automatically inserted into the inserting hole 122.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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

1. The utility model provides an outer quick change jack catch that presss from both sides of flywheel processing usefulness, includes three-jaw chuck (2), its characterized in that: three-jaw chuck (2) front end edge circumference sets up three at least backup pad (3), three-jaw chuck (2) front end sets up three centre gripping subassemblies of group (1), centre gripping subassembly (1) includes mounting panel (13), mounting panel (13) sliding connection is at the slider fixed connection of three-jaw chuck (2) front end and mounting panel (13) and three-jaw chuck (2), mounting panel (13) front end fixed connection shell (11), set up clamping jaw (12) and clamping jaw (12) in shell (11) and extend shell (11) and be close to three-jaw chuck (2) center one side, mounting panel (13) front end laminating splint, shell (11) left and right sides both ends all symmetry set up two inserted bars (14) and two inserted bars (14) all pass shell (11) and extend into clamping jaw (12), shell (11) left and right sides all sets up baffle (15), baffle (15) are close to two inserted bar (14) of shell (11) one end fixed connection, two spring (16) of fixed connection and spring (16) are in inserted bar (14) annular outside between shell (11) and baffle (15).

2. The outer clamp quick-change jaw for flywheel processing according to claim 1, characterized in that: three at least protruding type recess (21) and protruding type recess (21) are seted up to three-jaw chuck (2) annular outer end front side edge position equidistance and are extended to three-jaw chuck (2) front end, protruding type recess (21) inside sliding connection fixed plate (32), backup pad (3) rear side sets up protruding type recess (21), backup pad (3) pass backup pad (3) and protruding type recess (21) and be connected with fixed plate (32) through bolt fixed connection and bolt with fixed plate (32).

3. The outer clamp quick-change jaw for flywheel processing according to claim 1, characterized in that: the front end of the supporting plate (3) is fixed with a limiting plate (31) in an inward position.

4. The outer clamp quick-change jaw for flywheel processing according to claim 1, characterized in that: two positioning rods (111) are symmetrically and fixedly connected to the middle position of the rear wall inside the shell (11), two positioning holes are symmetrically formed in the middle position of the outward end of the clamping jaw (12), and the positioning rods (111) are arranged in the positioning holes.

5. The outer clamp quick-change jaw for flywheel processing according to claim 1, characterized in that: an arc-shaped groove (121) is formed in one end, far away from the shell (11), of the clamping jaw (12).

6. The outer clamp quick-change jaw for flywheel processing according to claim 1, characterized in that: one end, far away from the clamping jaw (12), of the shell (11) is symmetrically and fixedly connected with two reinforcing blocks (112), and the two reinforcing blocks (112) are fixedly connected with the mounting plate (13).

7. The outer clamp quick-change jaw for flywheel processing according to claim 1, characterized in that: two jacks (122) are symmetrically formed at the left end and the right end of the clamping jaw (12), and inserting rods (14) are arranged in the jacks (122).

8. The outer clamp quick-change jaw for flywheel processing according to claim 1, characterized in that: and one end of the inserted bar (14) close to the clamping jaw (12) is provided with a semicircular head.

9. The outer clamp quick-change jaw for flywheel processing according to claim 1, characterized in that: the left and right edges and corners of one end of the clamping jaw (12) far away from the arc-shaped groove (121) are all provided with an inclination angle.