CN214816846U

CN214816846U - Lathe hydraulic tool fixture for finish turning of excircle and inner hole of bearing bracket

Info

Publication number: CN214816846U
Application number: CN202121231238.7U
Authority: CN
Inventors: 陈景华
Original assignee: Hangzhou Yuyou Precision Machinery Co ltd
Current assignee: Hangzhou Yuyou Precision Machinery Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-23
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to a lathe hydraulic pressure frock clamp of finish turning bearing bracket excircle and hole for the machining field. The fixture comprises a connecting disc, a fixture body, a pull rod, a taper positioning seat, a taper ring and an expansion sleeve, wherein the connecting disc is used for connecting a lathe; the head of the taper positioning seat is used for positioning a workpiece, and the inner hole is matched with the taper ring to slide between the taper positioning seat (positioning block) and the expansion sleeve, so that the expansion sleeve is clamped or released. The product adopts a split structure, the taper seat positioning seat (positioning block) is convenient to assemble and disassemble, and the positioning is accurate; the clamp adopts the original mode that the expansion sleeve is fixed and the taper rod moves (the taper ring moves and the expansion sleeve is fixed), so that the space occupied in the middle of the expansion sleeve can be greatly reduced, and a place is reserved for a workpiece.

Description

Lathe hydraulic tool fixture for finish turning of excircle and inner hole of bearing bracket

Technical Field

The utility model relates to a lathe hydraulic pressure frock clamp of finish turning bearing bracket excircle and hole for the machining field.

Background

The traditional tool fixtures of the lathe are mostly integrally clamped, and need to be integrally replaced during model changing; most of the devices adopt steel expansion sleeves, so that the clamping gap is small and the positioning is inaccurate; an inner cone (a taper seat is fixed, and an expansion sleeve reciprocates) is adopted to clamp and loosen a workpiece, so that the head of the expansion sleeve is interfered with a space, the expansion sleeve has poor rigidity, scraps are easy to accumulate, the processing is unstable, and the processing error is increased; and the device has no automatic elements such as air blowing, air detection, stroke detection and the like, and cannot be applied to automatic production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect that exists among the prior art, and provide a lathe hydraulic pressure frock clamp of finish turning bearing bracket excircle and hole that can remodel fast, accurate positioning, be applicable to automated processing.

The utility model adopts the technical scheme as follows:

a lathe hydraulic tool clamp for finish turning of an excircle and an inner hole of a bearing bracket comprises a connecting disc, a clamp body, a pull rod, a taper positioning seat, a taper ring and an expansion sleeve, wherein the connecting disc is used for connecting a lathe; the head of the taper positioning seat is used for positioning a workpiece, and the inner hole is matched with the taper ring to slide between the taper positioning seat and the expansion sleeve, so that the expansion sleeve is clamped or released.

Preferably, the device also comprises a baffle plate which is connected to the clamp body and limits the travel of the pull rod.

Preferably, the clamp further comprises an expansion sleeve seat, and the expansion sleeve seat is connected to the clamp body to fix the expansion sleeve.

Preferably, the flushing device further comprises a flushing seat, and the flushing seat is connected with the expansion sleeve seat.

Preferably, the taper ring sliding device further comprises a pull pipe, wherein the pull pipe is used for connecting a machine tool and a pull rod and further driving the taper ring to slide.

Preferably, the automatic feeding device further comprises a rotary distributor, the rotary distributor is arranged at the tail of the machine tool and communicated with the clamp body.

Preferably, the device also comprises a stroke detection block which is fixed at the tail part of the pull pipe of the lathe and reciprocates along with the front object and the rear object of the pull rod.

Compared with the prior art, the utility model has the advantages of it is following: the product adopts a split structure, the positioning block and the taper seat are convenient to assemble and disassemble, and the positioning is accurate; the clamp adopts the original mode that the expansion sleeve is fixed and the taper rod moves (the taper ring moves and the expansion sleeve is fixed), so that the space occupied in the middle of the expansion sleeve can be greatly reduced, and a place is reserved for a workpiece. The product has the advantages of compact clamp structure, convenient remodeling, accurate positioning, large feeding gap, suitability for feeding and discharging of a manipulator, functions of gas detection, gas blowing, stroke detection and the like, and suitability for mass and automatic production.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive work.

Fig. 1 is a schematic structural diagram of the product of the embodiment.

Fig. 2 is a sectional view of the product in a state of being fitted to a lathe.

Fig. 3 is a partial cross-sectional view of the present product.

Fig. 4 is a schematic view of the structure of fig. 1 from another angle.

Description of reference numerals: connecting disc-01, fixture body-02, taper positioning seat (positioning block) -03, taper ring-04, expansion sleeve-05, pull rod-06, baffle-07, expansion sleeve seat-08, flushing seat-09, pull pipe-10, rotary distributor-11 and stroke detection block-12.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 4, the lathe hydraulic tool clamp for finish turning of the outer circle and the inner hole of the bearing bracket of the embodiment includes a connecting disc 01, a clamp body 02, a taper positioning seat 03 and a taper ring 04, an expansion sleeve 05, a pull rod 06, a baffle 07, an expansion sleeve seat 08, a flushing seat 09, a pull tube 10, a rotary distributor 11 and a stroke detection block 12.

The connecting disc 01 of the embodiment is used for connecting the lathe and the clamp body 02; the connecting disc is fixedly locked on the clamp body and is locked on the nose end of the lathe spindle together. The clamp body 02 is the body of the clamp on which the other components are secured. The head of the clamp body is provided with a guide hole, and the pull rod 06 is connected with a machine tool pull tube 10 and slides in the guide hole; and the tail part of the positioning block is provided with a positioning hole for installing the positioning block and the taper seat. The pull tube 10 is used for connecting a machine tool rotary pull cylinder and a pull rod 06 and driving the taper ring 04 to slide.

The head of the taper positioning seat 03 of the embodiment positions a workpiece, and an inner hole is matched with the taper ring 04 to slide, so that the expansion sleeve 05 is clamped or loosened. An air inlet channel is arranged in the air inlet channel and used for air detection. The taper ring 04 is matched with the inner hole of the taper positioning seat 03 to slide, the inner hole of the taper ring 04 is a taper hole, and the taper of the expansion sleeve 05 is matched to fit and slide, so that the expansion sleeve 05 is clamped or loosened. The expansion sleeve 05 is fixed on the expansion sleeve seat 08 and is clamped or released under the taper fit sliding of the taper ring, namely, the workpiece is clamped or released

The pull rod 06 of this embodiment is connected to the machine tool pull tube 10 and the taper ring 04, and is driven by the rotary pull cylinder to slide between the taper positioning seat 03 and the expansion sleeve 05, so that the expansion sleeve 05 is clamped or loosened. The taper positioning seat 03 is provided with an air check hole, so that whether a workpiece exists or not can be judged when the manipulator clamps the workpiece.

The baffle 07 of this embodiment is connected to the body to limit the travel of the pull rod movement.

The cover seat 08 that expands of this embodiment connects on the body, and fixed cover and bath seat position expand, and inside is porose for logical water, the inside iron fillings of washing cover and anchor clamps expand.

The bath seat 09 of this embodiment is connected on the cover seat 08 that expands, and mainly used logical water, washs the inside iron fillings of cover and anchor clamps that expand.

The rotary distributor 11 of the embodiment is arranged on the tail part of the lathe and used for feeding air into the clamp and detecting water, wherein the air is used for detecting metal and the water is used for cleaning scrap iron. The stroke detection block 12 of this embodiment is fixedly connected to the tail of the pull tube, reciprocates along with the pull rod front and rear objects, and is used for detecting the clamping and loosening of the pull tube, and the stroke detection block 12 can be a stroke switch.

The working principle is as follows:

the fixture of the product is fixed on a lathe through a connecting disc 01, an expansion sleeve 05 is fixed on an expansion sleeve seat 08, a pull rod 06 is connected with an inner pull tube 10 of a lathe spindle, and a taper ring 04 is driven by a rotary pull cylinder to move repeatedly in a taper positioning seat 03, so that the expansion sleeve 05 is clamped or released, and a bearing bracket reinforcing rib is clamped or released. The expansion sleeve 05/the taper positioning seat 03 can be replaced to realize the sharing of parts with similar structures. The clamp has compact and reasonable structure, convenient and accurate clamping, easy remodeling and suitability for automation, saves a large amount of clamping and remodeling time, and greatly improves the production efficiency and the product percent of pass.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lathe hydraulic pressure frock clamp of finish turning bearing bracket excircle and hole, includes the connection pad for connect the lathe, its characterized in that: the clamp comprises a clamp body, a pull rod, a taper positioning seat, a taper ring and an expansion sleeve, wherein the clamp body is connected with a machine tool through a connecting disc, the machine tool drives the pull rod to slide in the clamp body, and the pull rod is connected with the taper ring; the head of the taper positioning seat is used for positioning a workpiece, and the inner hole is matched with the taper ring to slide between the taper positioning seat and the expansion sleeve, so that the expansion sleeve is clamped or released.

2. The hydraulic tool clamp for the lathe for finish turning of the outer circle and the inner hole of the bearing bracket according to claim 1, wherein the hydraulic tool clamp comprises: the device also comprises a baffle plate connected to the clamp body for limiting the movement stroke of the pull rod.

3. The hydraulic tool clamp for the lathe for finish turning of the outer circle and the inner hole of the bearing bracket according to claim 1, wherein the hydraulic tool clamp comprises: the clamp further comprises an expansion sleeve seat, and the expansion sleeve seat is connected to the clamp body to fix the expansion sleeve.

4. The hydraulic tool clamp for the lathe for finish turning of the outer circle and the inner hole of the bearing bracket according to claim 3, wherein the hydraulic tool clamp comprises: the flushing device also comprises a flushing seat which is connected with the expansion sleeve seat.

5. The hydraulic tool clamp for the lathe for finish turning of the outer circle and the inner hole of the bearing bracket according to claim 1, wherein the hydraulic tool clamp comprises: the taper ring sliding device further comprises a pull pipe, wherein the pull pipe is used for connecting a machine tool and a pull rod and further driving the taper ring to slide.

6. The hydraulic tool clamp for the lathe for finish turning of the outer circle and the inner hole of the bearing bracket according to claim 1, wherein the hydraulic tool clamp comprises: still include rotatory distributor, rotatory distributor locates the lathe afterbody, and rotatory distributor UNICOM anchor clamps body.

7. The hydraulic tool clamp for the lathe for finish turning of the outer circle and the inner hole of the bearing bracket according to claim 1, wherein the hydraulic tool clamp comprises: the device also comprises a stroke detection block which is fixed at the tail part of the pull pipe of the lathe and reciprocates along with the front object and the rear object of the pull rod.