CN212653084U

CN212653084U - Lathe clamping jaw device for bolt machining

Info

Publication number: CN212653084U
Application number: CN202021414917.3U
Authority: CN
Inventors: 吴刚; 何小林
Original assignee: Shaanxi Jinhe Mining Equipment Co ltd
Current assignee: Shaanxi Jinhe Mining Equipment Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-05
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a lathe clamping jaw device for bolt processing, which comprises a base and two clamping plates, wherein an inner groove and an inner cavity are arranged in the base, a cylinder is arranged in the inner groove, and the output end of the cylinder is connected with a positioning column; the upper end of the base is provided with two bulges, the two clamping plates are respectively hinged on the two bulges, the clamping plates are connected with springs, one end of each spring is connected in an inward sunken groove arranged on the base, the upper ends of the clamping plates are connected with baffle plates, the end parts of the baffle plates are provided with arc-shaped grooves, and the lower ends of the clamping plates are connected with contraction wires; the inner cavity is internally provided with a gear, a rack, a rotating shaft and two L-shaped plates, the gear sleeve is arranged on the rotating shaft, the two L-shaped plates are connected with the rack, the two racks are meshed with the gear, and the two L-shaped plates penetrate out of the inner cavity and are respectively connected with two contraction lines. The utility model relates to an ingenious, conveniently clip hexagon socket head cap screw.

Description

Lathe clamping jaw device for bolt machining

Technical Field

The utility model relates to the technical field of machining, specifically a lathe clamping jaw device of bolt processing usefulness.

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

The socket head cap screw is one kind of screw, and the socket head cap screw needs to be clamped and fixed when being machined on a lathe.

Therefore, a lathe chuck device for bolt machining is required.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lathe clamping jaw device of bolt processing usefulness, the technical problem that exists in can the above-mentioned background of effectual solution.

In order to achieve the above object, the present invention provides the following technical solutions:

a lathe clamping jaw device for bolt machining comprises a base and two clamping plates, wherein an inner groove and an inner cavity are formed in the base, an air cylinder is installed in the inner groove, and the output end of the air cylinder is connected with a positioning column; the upper end of the base is provided with two bulges, the two clamping plates are respectively hinged on the two bulges, the clamping plates are connected with springs, one end of each spring is connected in an invagination groove arranged on the base, the upper ends of the clamping plates are connected with baffle plates, the end parts of the baffle plates are provided with arc-shaped grooves, and the lower ends of the clamping plates are connected with contraction wires; the inner cavity is internally provided with a gear, a rack, a rotating shaft and two L-shaped plates, the gear is sleeved on the rotating shaft, the rack is connected to the L-shaped plates, the rack is meshed with the gear, and the L-shaped plates penetrate out of the inner cavity and are connected with two contraction lines respectively.

Preferably, one end of the rotating shaft penetrates through the inner cavity, and the end part of one end of the rotating shaft is connected with a crank.

Preferably, two of the springs are adjacent to two of the projections, respectively.

Preferably, the inner cavity is located below the inner tank.

Preferably, supports are arranged on the side walls of the two sides of the lower end of the base, rollers are arranged on the supports, and the contraction wire is wound on the rollers.

The beneficial effects of the utility model reside in that:

one is as follows: the utility model discloses a cooperation of gear and two racks can make two shrink line contractions, controls opening of two baffles.

The second step is as follows: the utility model discloses a cooperation of reference column and two baffles, can effectual centre gripping hexagon socket head cap screw.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1: the structure of the utility model is schematically shown.

FIG. 2: the utility model discloses the structure schematic diagram of A department.

FIG. 3: the utility model discloses the plan view of two baffles.

In the figure: 1. the device comprises a base, 2, a clamping plate, 3, an inner groove, 4, an inner cavity, 5, a cylinder, 6, a positioning column, 7, a protrusion, 8, a spring, 9, an inner sunken groove, 10, a baffle, 11, an arc-shaped groove, 12, a contraction line, 13, a gear, 14, a rack, 15, a rotating shaft, 16, an L-shaped plate, 17, a support, 18, a roller, 19, a head, 20 and a screw rod.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the present invention provides a lathe clamping jaw device for bolt machining, which includes a base 1 and two clamping plates 2, wherein an inner groove 3 and an inner cavity 4 are disposed in the base 1, and the inner cavity 4 is located below the inner groove 3.

Referring to fig. 1, a cylinder 5 is installed in the inner groove 3, an output end of the cylinder 5 is connected with a positioning column 6, and the positioning column 6 is a head 19 into which an inner hexagon bolt can be inserted.

Referring to fig. 1 and 2, the upper end of the base 1 is provided with two protrusions 7, the two clamping plates 2 are respectively hinged on the two protrusions 7, the clamping plates 2 are connected with springs 8, one end of each spring 8 is connected in an inward recess 9 formed in the base 1, and the two springs 8 are respectively close to the two protrusions 7, so that the two clamping plates 2 can move.

Referring to fig. 1 and 2, the lower end of the splint 2 is connected with a contraction wire 12, a gear 13, a rack 14, a rotating shaft 15 and two L-shaped plates 16 are arranged in the inner cavity 4, the gear 13 is sleeved on the rotating shaft 15, the two L-shaped plates 16 are both connected with the rack 14, the two racks 14 are both meshed with the gear 13, the two L-shaped plates 16 both penetrate out of the inner cavity 4 and are respectively connected with the two contraction wires 12, the contraction of the two contraction wires 12 can control the movement of the two splint 2, one end of the rotating shaft 15 penetrates out of the inner cavity 4, and one end of the rotating shaft 15 is connected with a crank.

Referring to fig. 1 and 3, the upper end of the clamping plate 2 is connected with a baffle plate 10, the end of the baffle plate 10 is provided with arc-shaped slots 11, a screw 20 of an inner hexagon bolt passes through the two arc-shaped slots 11, two side walls of the lower end of the base 1 are provided with supporting seats 17, the supporting seats 17 are provided with rollers 18, and the contraction wire 12 is wound on the rollers 18.

The implementation process of the embodiment:

the control crank for two shrink lines 12 shrink, two baffles 10 can open, then aim at reference column 6 with hexagon socket head cap screw's head, and reference column 6 can block hexagon socket head cap screw's head, then releases the crank, and two baffles 10 reset, and two arc walls 11 block hexagon socket head cap screw's screw rod 20.

Control cylinder 5 for reference column 6 rebound, interior hex bolts's head can contact between with two baffles 10 like this, and like this, two baffles 10 can be fixed with the hexagon socket head cap screw centre gripping with reference column 6's cooperation, convenient processing to interior hex bolts.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited to the above-mentioned embodiments, and the method and the technical solution of the present invention are not substantially improved or improved, so long as the present invention is applied to other occasions directly.

Claims

1. The utility model provides a lathe clamping jaw device of bolt processing usefulness which characterized in that: the clamp comprises a base (1) and two clamping plates (2), wherein an inner groove (3) and an inner cavity (4) are arranged in the base (1), an air cylinder (5) is arranged in the inner groove (3), and the output end of the air cylinder (5) is connected with a positioning column (6); the upper end of the base (1) is provided with two bulges (7), the two clamping plates (2) are respectively hinged on the two bulges (7), the clamping plates (2) are connected with springs (8), one ends of the springs (8) are connected in sunken grooves (9) formed in the base (1), the upper ends of the clamping plates (2) are connected with baffle plates (10), the end parts of the baffle plates (10) are provided with arc-shaped grooves (11), and the lower ends of the clamping plates (2) are connected with contraction lines (12); be equipped with gear (13), rack (14), pivot (15), two L template (16) in inner chamber (4), gear (13) cover is established on pivot (15), two all be connected with rack (14), two on L template (16) rack (14) all mesh with gear (13), two inner chamber (4) are all worn out and are connected with two shrink lines (12) respectively in L template (16).

2. A lathe chuck device for bolt machining according to claim 1, wherein: an inner cavity (4) is arranged at one end of the rotating shaft (15) in a penetrating mode, and a crank is connected to the end portion of one end of the rotating shaft (15).

3. A lathe chuck device for bolt machining according to claim 1, wherein: the two springs (8) are respectively close to the two bulges (7).

4. A lathe chuck device for bolt machining according to claim 1, wherein: the inner cavity (4) is positioned below the inner groove (3).

5. A lathe chuck device for bolt machining according to claim 1, wherein: the base is characterized in that support seats (17) are arranged on the side walls of two sides of the lower end of the base (1), idler wheels (18) are arranged on the support seats (17), and the contraction wire (12) is wound on the idler wheels (18).