CN210412608U

CN210412608U - Chuck for automobile steering pull rod

Info

Publication number: CN210412608U
Application number: CN201921385325.0U
Authority: CN
Inventors: 陈美阁
Original assignee: Hangzhou Siyou Machinery Technology Co ltd
Current assignee: Hangzhou Siyou Machinery Technology Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-04-28
Anticipated expiration: 2029-08-21

Abstract

The utility model belongs to the technical field of hydraulically operated fixture, especially, relate to a car is chuck for steering linkage. A positioning support seat is embedded in the middle of the aluminum seat; the upper side and the lower side of the positioning support seat are respectively and movably clamped with a first clamping jaw and a second clamping jaw, and the upper ends of the first clamping jaw and the second clamping jaw are fixedly provided with a first anti-flying block and a second anti-flying block; a balancing weight is fixed on the right side inside the aluminum seat; the left side of the aluminum seat is provided with a pull rod bayonet, and the two sides of the pull rod bayonet are respectively fixed with an angle block and an oil cylinder seat. The hydraulic principle is applied, and under the action of a single driving force, two clamping actions with sequential requirements are realized; the lifting of the oil pressure is obtained by compressing hydraulic oil by the oil pressure lifting device, and is not input from the outside; in addition, the lathe processing of the eccentric hole of the long rod product greatly improves the positioning reliability of the product on the eccentric rod part and meets the requirement of automation.

Description

Chuck for automobile steering pull rod

Technical Field

The utility model belongs to the technical field of hydraulically operated fixture, especially, relate to a car is chuck for steering linkage.

Background

The three-jaw chuck is a machine tool accessory which clamps and positions a workpiece by utilizing the radial movement of three movable jaws uniformly distributed on a chuck body. Generally comprises a chuck body, a movable jaw and a jaw driving mechanism. The lower surfaces of the guide parts of the three jaws on the three-jaw chuck are provided with threads which are meshed with the plane threads on the back surface of the disc-shaped bevel gear, when a spanner is used for rotating the bevel pinion through the square hole, the disc-shaped gear rotates, and the plane threads on the back surface simultaneously drive the three jaws to approach to the center or withdraw from the center so as to clamp workpieces with different diameters.

The single three-jaw clamping action cannot meet the positioning requirement of the product on the eccentric rod part, and only can be used for carrying out auxiliary positioning on the eccentric rod part through a simple mechanical structure; such an approach is not only unreliable, but also fails to meet the requirements of automation.

SUMMERY OF THE UTILITY MODEL

Aiming at solving the problems of the defects and the shortcomings of the prior art; the utility model aims at providing a chuck for an automobile steering pull rod, which has simple structure, reasonable design and convenient use, and realizes two clamping actions with sequential requirements under the action of single driving force by applying a hydraulic principle; the lifting of the oil pressure is obtained by compressing hydraulic oil by the oil pressure lifting device, and is not input from the outside; in addition, the lathe processing of the eccentric hole of the long rod product greatly improves the positioning reliability of the product on the eccentric rod part and meets the requirement of automation.

In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises an aluminum base, a positioning support base, a first clamping jaw, a second clamping jaw, a balancing weight, a first anti-flying block, a second anti-flying block, an angular block and an oil cylinder base; a positioning support seat is embedded in the middle of the aluminum seat; the upper side and the lower side of the positioning support seat are respectively and movably clamped with a first clamping jaw and a second clamping jaw, and the upper ends of the first clamping jaw and the second clamping jaw are fixedly provided with a first anti-flying block and a second anti-flying block; a balancing weight is fixed on the right side inside the aluminum seat; the left side of the aluminum seat is provided with a pull rod bayonet, and the two sides of the pull rod bayonet are respectively fixed with an angle block and an oil cylinder seat.

Preferably, the inner sides of the first jaw and the second jaw are in circular arc structures, and tapered fixed teeth are arranged on the inner sides.

Preferably, the inner sides of the left ends of the first anti-flying block and the second anti-flying block are provided with limiting clamping grooves.

Preferably, the supporting head on the inner side of the oil cylinder seat is matched with the angular block to limit and fix the tail part of the automobile steering pull rod.

Preferably, the first jaw and the second jaw are synchronously driven through a central pull rod.

After the structure is adopted, the utility model discloses beneficial effect does: the utility model discloses a chuck for an automobile steering pull rod, which realizes two clamping actions with sequential requirements under the action of single driving force by applying a hydraulic principle; the lifting of the oil pressure is obtained by compressing hydraulic oil by the oil pressure lifting device, and is not input from the outside; in addition, the lathe processing of the eccentric hole of the long rod product greatly improves the positioning reliability of the product on the eccentric rod part and meets the requirement of automation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.

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

fig. 2 is a schematic front view of the present invention;

fig. 3 is a sectional view taken along line a-a of fig. 2 according to the present invention.

Description of reference numerals: the device comprises an aluminum base 1, a positioning support base 2, a first clamping jaw 3, a second clamping jaw 4, a balancing weight 5, a first anti-flying block 6, a second anti-flying block 7, an angular block 8, an oil cylinder base 9, a conical fixed tooth 10 and a limiting clamping groove 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

Referring to fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the device comprises an aluminum base 1, a positioning support base 2, a first clamping jaw 3, a second clamping jaw 4, a balancing weight 5, a first anti-flying block 6, a second anti-flying block 7, an angular block 8 and an oil cylinder base 9; a positioning support seat 2 is embedded in the middle of the aluminum seat 1; the upper side and the lower side of the positioning support seat 2 are respectively movably clamped with a first clamping jaw 3 and a second clamping jaw 4, and the upper ends of the first clamping jaw 3 and the second clamping jaw 4 are fixed with a first anti-flying block 6 and a second anti-flying block 7; a balancing weight 5 is fixed on the right side inside the aluminum seat 1; a pull rod bayonet is arranged on the left side of the aluminum seat 1, and an angle block 8 and an oil cylinder seat 9 are respectively fixed on two sides of the pull rod bayonet.

The inner sides of the first clamping jaw 3 and the second clamping jaw 4 are arc-shaped structures, and conical fixed teeth 10 are arranged on the inner sides; the inner sides of the left ends of the first anti-flying block 6 and the second anti-flying block 7 are provided with a limiting clamping groove 11; the supporting head at the inner side of the oil cylinder seat 9 is matched with the angle block 8 to limit and fix the tail part of the automobile steering pull rod; the first clamping jaw 3 and the second clamping jaw 4 are synchronously driven through the central pull rod.

The working principle of the specific embodiment is as follows: in the process that the clamping jaws clamp the steering pull rod of the automobile, hydraulic oil in the closed cavity is compressed, the pressure of the hydraulic oil rises in the compression process, a push-type oil cylinder supporting head in an oil cylinder seat 9 is pushed out, the tail part of the steering pull rod of the automobile is attached to an angular block 8, the positioning of the tail end rod part is completed, meanwhile, a first clamping jaw 3 and a second clamping jaw 4 continue to move towards the center under the driving of a central pull rod, in order to prevent the central pull rod from being too large in compression resistance caused by too high oil pressure and cause the first clamping jaw 3 and the second clamping jaw 4 to stop moving, a pressure release device is arranged at the other position of the clamping chuck and is connected with the closed oil cavity to release the too high pressure, the first clamping jaw 3 and the second clamping jaw 4 are ensured to clamp the outer circle of the head part of the steering pull rod of the automobile to realize the center positioning, the middle end of the steering pull rod of the automobile is, the tail part of the automobile steering pull rod is clamped between the angle block 8 and the oil cylinder seat 9, so that multi-point fixing is realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

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 automobile steering chuck for pull rod which characterized in that: the device comprises an aluminum base (1), a positioning support base (2), a first clamping jaw (3), a second clamping jaw (4), a balancing weight (5), a first anti-flying block (6), a second anti-flying block (7), an angular block (8) and an oil cylinder base (9); a positioning support seat (2) is embedded in the middle of the aluminum seat (1); the upper side and the lower side of the positioning support seat (2) are movably clamped with a first clamping jaw (3) and a second clamping jaw (4) respectively, and the upper ends of the first clamping jaw (3) and the second clamping jaw (4) are fixed with a first anti-flying block (6) and a second anti-flying block (7); a balancing weight (5) is fixed on the right side inside the aluminum seat (1); the left side of the aluminum seat (1) is provided with a pull rod bayonet, and two sides of the pull rod bayonet are respectively fixed with an angle block (8) and an oil cylinder seat (9).

2. The chuck for a steering link of an automobile as set forth in claim 1, wherein: the inner sides of the first clamping jaw (3) and the second clamping jaw (4) are of circular arc structures, and conical fixed teeth (10) are arranged on the inner sides.

3. The chuck for a steering link of an automobile as set forth in claim 1, wherein: the inner sides of the left ends of the first anti-flying block (6) and the second anti-flying block (7) are provided with limiting clamping grooves (11).

4. The chuck for a steering link of an automobile as set forth in claim 1, wherein: the inner side supporting head of the oil cylinder seat (9) is matched with the angle block (8) to limit and fix the tail part of the automobile steering pull rod.

5. The chuck for a steering link of an automobile as set forth in claim 1, wherein: the first clamping jaw (3) and the second clamping jaw (4) are synchronously driven through the central pull rod.