CN216939620U

CN216939620U - Zero-point positioning quick-change machine tool chuck fixture

Info

Publication number: CN216939620U
Application number: CN202123316463.3U
Authority: CN
Inventors: 肖桂龙; 杜永华; 龚鹏; 游云生
Original assignee: Chongqing Yigao Intelligent Equipment Co ltd
Current assignee: Chongqing Yigao Intelligent Equipment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-12
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a zero positioning quick-change machine tool chuck fixture, which comprises: the fixture comprises a fixture body, a first mounting disc, positioning rods, a clamping positioning mechanism and an in-place detection mechanism, wherein the first mounting disc is installed on the fixture body, at least two positioning rods are installed on the first mounting disc, a second mounting disc is installed on a machine tool, positioning holes for the positioning rods to pass through are formed in the second mounting disc, the clamping positioning mechanism is installed on the machine tool and used for limiting the fixture body to be separated from the machine tool, the in-place detection mechanism is installed beside the second mounting disc, and the in-place detection mechanism is used for detecting whether the fixture body is installed in place. This zero point location quick change formula lathe chuck anchor clamps solve among the prior art inconvenient install the problem on the lathe with the anchor clamps body.

Description

Zero-point positioning quick-change machine tool chuck fixture

Technical Field

The utility model relates to a machine tool chuck clamp, in particular to a zero-point positioning quick-change machine tool chuck clamp.

Background

Among the prior art, the machine tool chuck clamp includes: the fixture body is used for clamping a workpiece to be machined, the fixture body is different in workpieces, the fixture body on the machine tool needs to be replaced for the same turning machine tool, the first mounting disc and the bolts meet the requirement, the second mounting disc is installed on the turning machine tool, the first mounting disc and the second mounting disc are located through more than two bolts, the locating can be achieved, the locating operation is very troublesome, sometimes, the work cost is increased due to the fact that the work cost is half a day, and the production efficiency is reduced.

Disclosure of Invention

The utility model provides a zero-point positioning quick-change machine tool chuck clamp, which solves the problem that a clamp body is inconvenient to install on a machine tool in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model discloses a zero positioning quick-change machine tool chuck fixture, which comprises: the fixture comprises a fixture body, a first mounting disc, positioning rods, a clamping positioning mechanism and an in-place detection mechanism, wherein the first mounting disc is installed on the fixture body, at least two positioning rods are installed on the first mounting disc, a second mounting disc is installed on a machine tool, positioning holes for the positioning rods to pass through are formed in the second mounting disc, the clamping positioning mechanism is installed on the machine tool and used for limiting the fixture body to be separated from the machine tool, the in-place detection mechanism is installed beside the second mounting disc, and the in-place detection mechanism is used for detecting whether the fixture body is installed in place.

Preferably, the chucking and positioning mechanism includes: hydro-cylinder, pull rod and elasticity chucking subassembly, lathe one side-mounting second mounting disc, the hydro-cylinder is installed to the lathe opposite side, and the output of hydro-cylinder is fixed to pull rod one end, and the pull rod other end passes the second mounting disc, installs the other elasticity chucking mechanism that is located the second mounting disc on the pull rod, and elasticity chucking subassembly is used for the locking jig body.

Preferably, a positioning ring is arranged on one side, close to the second mounting disc, of the clamp plate body, and the positioning ring is used for being in locking fit with the elastic clamping assembly.

Preferably, the elastic clamping assembly includes: the end part of the pull rod, which deviates from the oil cylinder, is fixed to the locking frame, the locking ball and the spring are arranged on the locking frame, the locking ball is connected to the inner wall of the locking frame through the spring, the inner wall of the positioning ring is sunken to form a locking hole, and the locking hole is used for the locking ball to be placed in.

Preferably, the holding ring hole is formed with the step, and the step forms the spigot surface near pull rod one side, and the spigot surface is used for impressing the locking ball to the locking frame, and the locking hole is located the step and deviates from spigot surface one side.

Preferably, the in-place detecting mechanism includes: joint, intercommunication hose and clamp ring, joint one end is used for communicateing to the negative pressure pump, and the joint other end communicates through the intercommunication hose and sets up the air vent to the clamp ring, and the air vent has been seted up to the clamp ring, and the terminal surface that the clamp ring supplied the holding ring to compress tightly is the pressing surface, and the tip that the air vent deviates from the intercommunication hose exposes from the pressing surface, and the holding ring is used for the shutoff air vent to deviate from the end of intercommunication hose.

Compared with the prior art, the utility model has the following beneficial effects:

through setting up chucking positioning mechanism, realized that robot etc. put the anchor clamps body propelling movement back in place, chucking positioning mechanism can improve change efficiency with the anchor clamps body, has reduced labour's use, has practiced thrift labour cost, has improved market competition. Through setting up detection mechanism that targets in place, realized if and only when the installation of anchor clamps body targets in place the back, just can start the cutting work of lathe, avoided anchor clamps not to install and target in place and lead to the work piece to scrap, reduced the use of raw and other materials, reduced the cost.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic structural view of a zero-point positioning quick-change machine tool chuck fixture installed on a machine tool;

FIG. 2 is an enlarged view at the right in FIG. 1;

fig. 3 is a sectional view at the jig body.

Reference numerals: the clamp comprises a clamp body 1, a positioning ring 10, a step 100, a guide surface 101, a locking hole 102, a first mounting disc 2, a positioning rod 3, a clamping and positioning mechanism 4, an oil cylinder 41, a pull rod 42, an elastic clamping assembly 43, a locking frame 431, a locking ball 432, a joint 51, a pressing ring 53 and a base 6.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the utility model clearer and easier to understand, the utility model is further explained by combining the drawings and the detailed implementation mode:

as shown in fig. 1 to 3, the present invention discloses a zero point positioning quick-change machine tool chuck fixture, which comprises: anchor clamps body 1, first mounting disc 2, locating lever 3, chucking positioning mechanism 4 and detection mechanism targets in place, install first mounting disc 2 on the anchor clamps body 1, install two at least locating levers 3 on the first mounting disc 2, install the second mounting disc on the lathe, the locating hole that supplies locating lever 3 to pass is seted up to the second mounting disc, install chucking positioning mechanism 4 on the lathe, chucking positioning mechanism 4 is used for restricting anchor clamps body 1 and breaks away from with the lathe, other detection and the mechanism of targeting in place of installing of second mounting disc, detection mechanism targets in place is used for detecting whether anchor clamps body 1 installs and targets in place.

The chucking positioning mechanism 4 includes: the clamp comprises an oil cylinder 41, a pull rod 42 and an elastic clamping assembly 43, wherein a second mounting disc is installed on one side of the machine tool, the oil cylinder 41 is installed on the other side of the machine tool, the output end of the oil cylinder 41 is fixed to one end of the pull rod 42, the other end of the pull rod 42 penetrates through the second mounting disc, the elastic clamping mechanism located beside the second mounting disc is installed on the pull rod 42, and the elastic clamping assembly 43 is used for locking the clamp body 1.

And one side of the clamp plate body, which is close to the second mounting disc, is provided with a positioning ring 10, and the positioning ring 10 is used for being in locking fit with the elastic clamping assembly 43. The addition of the retaining ring 10 facilitates cooperation with the resilient clamping assembly 43 and also facilitates cooperation with the compression ring 53.

The elastic clamping assembly 43 includes: the end, away from the oil cylinder 41, of the pull rod 42 is fixed to the locking frame 431, the locking ball 432 and the spring are mounted on the locking frame 431, the locking ball 432 is connected to the inner wall of the locking frame 431 through the spring, the inner wall of the positioning ring 10 is recessed to form a locking hole 102, and the locking hole 102 is used for the locking ball 432 to be placed in. The locking is convenient, the robot pushes the clamp body 1 to be in place,

the inner bore of the retaining ring 10 is formed with a step 100, the step 100 forms a guide surface 101 on the side adjacent to the pull rod 42, the guide surface 101 is used for pressing the locking ball 432 into the locking bracket 431, and the locking hole 102 is located on the side of the step 100 away from the guide surface 101. The step 100 has the effect of blocking the locking ball 432 from disengaging from the locking hole 102.

The detection mechanism that targets in place includes: joint 51, communicating hose and clamp ring 53, joint 51 one end is used for communicateing to the negative pressure pump, and the joint 51 other end is seted up the air vent through communicating hose intercommunication clamp ring 53, and clamp ring 53 has seted up the air vent, and the terminal surface that clamp ring 53 supplied holding ring 10 to compress tightly is the clamping surface, and the tip that the air vent deviates from the communicating hose exposes from the clamping surface, and holding ring 10 is used for the shutoff air vent to deviate from the end of communicating hose.

Firstly, a robot and the like push the clamp body 1, the positioning rod 3 and the positioning ring 10, the tip end of the positioning rod 3 is in a truncated cone structure, so that the axis line of the clamp body 1 is conveniently aligned with the pull rod 42, the pull rod 42 is on the axis line of the first mounting disc 2, then the positioning ring 10 is tightly attached to the pressing surface of the pressing ring 53, then the oil cylinder 41 is started, the oil cylinder 41 pushes the locking frame 431 and the locking ball 432 towards the inside of the positioning ring 10 through the pull rod 42, the locking ball 432 is firstly contacted with the guide surface 101, the guide surface 101 presses the locking ball 432 into the locking frame 431, then the locking ball 432 goes over the step 100, the locking ball 432 is aligned with the locking hole 102, and the locking ball 432 extends into the locking hole 102 under the elastic force of the spring to realize locking; and finally, the negative pressure pump operates, negative pressure suction is performed, if gas is sucked, it is judged that a gap exists between the positioning ring 10 and the pressing surface, the positioning ring is not installed in place, the machine tool cannot work next step, and error is reported, and if no gas is sucked, it is judged that the positioning ring 10 is installed in place, and the next step of work can be performed.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a zero point location quick change formula lathe chuck anchor clamps which characterized in that includes: the fixture comprises a fixture body, a first mounting disc, positioning rods, a clamping positioning mechanism and an in-place detection mechanism, wherein the first mounting disc is installed on the fixture body, at least two positioning rods are installed on the first mounting disc, a second mounting disc is installed on a machine tool, positioning holes for the positioning rods to pass through are formed in the second mounting disc, the clamping positioning mechanism is installed on the machine tool and used for limiting the fixture body to be separated from the machine tool, the in-place detection mechanism is installed beside the second mounting disc, and the in-place detection mechanism is used for detecting whether the fixture body is installed in place.

2. The zero-positioning quick-change machine tool chuck fixture according to claim 1, wherein the clamping and positioning mechanism comprises: hydro-cylinder, pull rod and elasticity chucking subassembly, lathe one side-mounting second mounting disc, the hydro-cylinder is installed to the lathe opposite side, and the output of hydro-cylinder is fixed to pull rod one end, and the pull rod other end passes the second mounting disc, installs the other elasticity chucking mechanism that is located the second mounting disc on the pull rod, and elasticity chucking subassembly is used for the locking jig body.

3. The zero-positioning quick-change machine tool chuck holder according to claim 2, wherein a positioning ring is mounted on the side of the holder plate body near the second mounting plate, and the positioning ring is used for locking engagement with the elastic clamping assembly.

4. The zero point positioning quick-change machine tool chuck holder according to claim 3, wherein the resilient clamping assembly comprises: locking frame, locking ball and spring, the end fixing to the locking frame that the pull rod deviates from the hydro-cylinder, the installation locking ball and spring on the locking frame, locking ball pass through spring coupling to locking frame inner wall, the sunken locking hole that forms of holding ring inner wall, and the locking hole supplies the locking ball to put into.

5. The zero-point positioning quick-change machine tool chuck fixture as claimed in claim 4, wherein the inner hole of the positioning ring is formed with a step, one side of the step near the pull rod is formed with a guide surface for pressing the locking ball into the locking frame, and the locking hole is located on the side of the step away from the guide surface.

6. The zero-positioning quick-change machine tool chuck fixture according to any one of claims 3 to 5, wherein the in-place detection mechanism comprises: joint, intercommunication hose and clamp ring, joint one end is used for communicateing to the negative pressure pump, and the joint other end communicates through the intercommunication hose and sets up the air vent to the clamp ring, and the air vent has been seted up to the clamp ring, and the terminal surface that the clamp ring supplied the holding ring to compress tightly is the pressing surface, and the tip that the air vent deviates from the intercommunication hose exposes from the pressing surface, and the holding ring is used for the shutoff air vent to deviate from the end of intercommunication hose.