CN112476260A

CN112476260A - Forceps holder tool with plane bearing device

Info

Publication number: CN112476260A
Application number: CN202011386454.9A
Authority: CN
Inventors: 张学念; 赖世亮; 李聪; 庞健勇
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-03-12

Abstract

The invention discloses a forceps holder tool with a plane bearing device, which comprises two clamping plates and two movable plates respectively rotatably connected with one end of each clamping plate, wherein a cross beam is rotatably connected between the two clamping plates, a positioning plate is rotatably connected between the two movable plates, a screw shaft rotatably connected with the cross beam is in threaded connection with the positioning plate, an axial limiting mechanism is arranged between the screw shaft and the cross beam, and clamping blocks are hinged to the opposite sides of the two clamping plates. The invention relates to a forceps holder tool with a plane bearing device, which belongs to the technical field of tool fixtures, and is characterized in that a handle is rotated to serve as power to drive a screw shaft to rotate, the screw shaft drives a positioning plate and a cross beam to move up and down so as to drive a clamping plate and a movable plate, the clamping plate is flexibly opened and clamped, the force arm principle is utilized, the plane bearing has the function of saving force, the larger the manual rotating force is, the larger the clamping force of the forceps holder is, the more tightly the workpiece is clamped, and the effects of easily clamping the workpiece and easily disassembling the clamp are achieved.

Description

Forceps holder tool with plane bearing device

Technical Field

The invention relates to the technical field of tool fixtures, in particular to a jaw tool with a plane bearing device.

Background

At present, when a bench worker in enterprise production repairs and manufactures, in a marking process, when long and thin workpieces are marked, the length is too high and is not easy to fix, usually, a clamp is used for fixing the workpieces on a right-angle plate, more than two persons are needed for cooperative operation, and the problems of high labor intensity, long time, low efficiency and poor quality exist.

When drilling on big drilling machine, many sheet steels or many thick steel plates are joined in marriage the brill with the sheet steel, except with pressing from both sides the horse and press from both sides the fastening, still need add spot welding fastening, and the atress slides when preventing the work piece drilling, causes the drilling off-centre.

When a plurality of thin steel plates are milled, in addition to clamping by a vice, spot welding is needed for fastening to prevent a workpiece from flipping and breaking a cutter or deforming the workpiece, the thin steel plates can be separated under the action of a milling cutter force, and the steel plates are milled to be uneven and poor in quality.

The methods need multi-person cooperative operation, need electric welding machines and the like, and have the defects of high labor intensity, long time and low efficiency.

Disclosure of Invention

The present invention is directed to overcoming some of the above-mentioned disadvantages of the prior art, and an object of the present invention is to provide a vise tool with a flat bearing device, which is easy to operate, and is convenient and firm to clamp.

In order to achieve the purpose, the invention provides a forceps holder tool with a plane bearing device, which comprises two clamping plates and two movable plates, wherein the two movable plates are respectively rotatably connected with one ends of the clamping plates, a cross beam is arranged between the two clamping plates in a rotating connection mode, a positioning plate is arranged between the two movable plates in a rotating connection mode, a screw shaft which is rotatably connected with the cross beam is in threaded connection with the positioning plate, an axial limiting mechanism is arranged between the screw shaft and the cross beam, and clamping blocks are hinged to the opposite sides of the two clamping plates.

Furthermore, the outside of grip block be equipped with the articulated seat that splint are connected, the inboard of grip block is equipped with locating plane.

Furthermore, the axial limiting mechanism comprises two plane bearings which are sleeved on the screw shaft and are respectively matched with two end faces of the cross beam, and a bearing limiting structure which is arranged on the screw shaft and is matched with the outer end faces of the two plane bearings.

As a further improvement, the bearing limiting structure comprises a screw head and a limiting pin which are arranged on the screw shaft, and the screw head and the limiting pin are respectively adapted to the outer end faces of the two plane bearings.

Furthermore, a thread section is arranged at one end of the screw shaft, and the thread section of the screw shaft penetrates through the cross beam to be in threaded connection with the positioning plate.

Furthermore, a handle is arranged at one end of the screw shaft, and a jack matched with the handle is arranged on the thread section of the screw shaft.

As a further improvement, the two clamping plates are arranged in an S-shaped bending mode, one ends of the two clamping plates are provided with bent portions which are arranged to be concave inwards, and two ends of the cross beam are hinged to the bent portions of the two clamping plates.

Furthermore, the other end of the two clamping plates is provided with an inclined section which is obliquely and extends inwards, and the two clamping blocks are respectively arranged on the inner sides of the inclined sections of the two clamping plates.

Advantageous effects

Compared with the prior art, the jaw tool with the plane bearing device has the following beneficial effects: this forceps holder instrument that has plane bearing device, moreover, the steam generator is simple and reasonable in structure, make power through the handle rotation, it is rotatory to drive the screw shaft, the screw shaft drives the locating plate up-and-down motion again, pressure is pressed on plane bearing, splint and fly leaf are driven again, splint open in a flexible way, the clamping, utilize the arm of force principle, the function of plane bearing laborsaving, manual revolving force is big more, the clamping force of forceps holder just is big more, it is tighter to carry the work piece, reach the effect of pressing from both sides the work piece easily and unload the clamp easily, laborsaving and high efficiency, can practice thrift the cost.

Drawings

Fig. 1 is a schematic view showing the construction of a jaw tool having a flat bearing device according to the present invention.

In the figure: 1. a splint; 11. a curved portion; 2. a movable plate; 3. a cross beam; 4. positioning a plate; 5. a screw shaft; 6. an axial limiting mechanism; 61. a flat bearing; 62. a screw head; 63. a spacing pin; 7. a clamping block; 8. a handle; 9. and (5) a workpiece.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

The specific embodiments of the present invention are such that: as shown in fig. 1, a forceps holder tool with a plane bearing device comprises two clamping plates 1 and two movable plates 2 rotatably connected with one ends of the clamping plates 1 respectively, a cross beam 3 is arranged between the two clamping plates 1, a positioning plate 4 is arranged between the two movable plates 2, a screw shaft 5 rotatably connected with the cross beam 3 is connected to the positioning plate 4 in a threaded manner, an axial limiting mechanism 6 is arranged between the screw shaft 5 and the cross beam 3, and clamping blocks 7 are hinged to opposite sides of the two clamping plates 1. In the forceps holder tool with the plane bearing device, the screw shaft 5 can be rotated to drive the positioning plate 4 and the cross beam 3 to move relatively or oppositely, so that the clamping plates 1 are driven to clamp or open, and the two end planes of the workpiece 9 can be clamped quickly through the clamping blocks 7 on the two clamping plates 1. Simple structure is reasonable, convenient operation, and work efficiency is high, can practice thrift the cost to and can reduce workman's intensity of labour.

In this embodiment, the outer side of the clamping block 7 is provided with a hinged seat connected with the splint 1, and the inner side of the clamping block 7 is provided with a positioning plane.

In this embodiment, the axial limiting mechanism 6 includes two plane bearings 61 sleeved on the screw shaft 5 and respectively corresponding to two end faces of the cross beam 3, and a bearing limiting structure provided on the screw shaft 5 and corresponding to outer end faces of the two plane bearings 61. The screw shaft is driven to rotate, pressure acts on the plane bearing 61 by utilizing the labor-saving principle of the plane bearing 61, the cross beam 3 and the positioning plate 4 move up and down to drive the clamping plate 1 and the movable plate 2, the clamping plate 1 is flexibly opened and clamped, and the clamping force is larger by utilizing the force arm principle, so that the workpiece 9 is clamped more tightly.

In the present embodiment, the bearing position limiting structure includes a screw head 62 and a position limiting pin 63 provided on the screw shaft 5, and the screw head 62 and the position limiting pin 63 are respectively adapted to the outer end faces of the two plane bearings 61. Can carry on spacingly to plane bearing 61 fast through screw head 62, spacer pin 63, make plane bearing 61 can fix a position on the both ends face of crossbeam 3, the equipment of whole instrument is quick, and it is convenient to dismantle, helps improving work efficiency.

In this embodiment, one end of the screw shaft 5 is provided with a threaded section, and the threaded section of the screw shaft 5 penetrates through the cross beam 3 and is in threaded connection with the positioning plate 4.

In this embodiment, one end of the screw shaft 5 is provided with a handle 8, and the threaded section of the screw shaft 5 is provided with a jack matched with the handle 8.

Two splint 1 are the S-shaped plate that is the crooked setting of S form, and the one end of two splint 1 is equipped with the curved portion 11 that sets up to the sunken inside side, and the both ends of crossbeam 3 set up with the curved portion 11 of two splint 1 is articulated.

In the present embodiment, the openings of the two S-shaped plates are arranged oppositely, and the lower ends of the two S-shaped plates form jaws for clamping the workpiece 9; the middle corners of the two S-shaped plates are hinged with the two ends of the cross beam 3 respectively, the upper ends of the two S-shaped plates are hinged with the lower ends of the two movable plates 2 respectively, the upper ends of the two movable plates 2 are hinged with the two ends of the positioning plate 4 respectively, and the positioning plate 4 is provided with a screw hole.

In the present embodiment, the other ends of the two clamping plates 1 are provided with an inclined section provided with an inner side inclined extension, and the two clamping blocks 7 are respectively arranged inside the inclined sections of the two clamping plates 1.

The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The utility model provides a forceps holder instrument that has plane bearing device, its characterized in that, including two splint (1) and two respectively with fly leaf (2) of the one end rotation connection of splint (1), two rotate between splint (1) and be equipped with crossbeam (3), two rotate between fly leaf (2) and be equipped with locating plate (4) of connection, threaded connection have on locating plate (4) with crossbeam (3) rotate screw shaft (5) of connection, screw shaft (5) with be equipped with axial stop gear (6), two between crossbeam (3) the opposite side of splint (1) all articulates and is equipped with grip block (7).

2. A clamping tool with plane bearing device, according to claim 1, characterized in that the outer side of said clamping block (7) is provided with a hinged seat connected with said clamping plate (1), and the inner side of said clamping block (7) is provided with a positioning plane.

3. The vise tool with a flat bearing device according to claim 1 or 2, wherein the axial limiting mechanism (6) comprises two flat bearings (61) sleeved on the screw shaft (5) and respectively corresponding to two end faces of the cross beam (3), and a bearing limiting structure arranged on the screw shaft (5) and corresponding to outer end faces of the two flat bearings (61).

4. The vise tool with a flat bearing device according to claim 3, wherein the bearing position limiting structure comprises a screw head (62) and a position limiting pin (63) provided on the screw shaft (5), and the screw head (62) and the position limiting pin (63) are respectively adapted to the outer end faces of the two flat bearings (61).

5. A clamping tool with plane bearing device, according to claim 4, characterized in that one end of said screw shaft (5) is provided with a threaded section, and said threaded section of said screw shaft (5) is threaded through said cross member (3) and connected with said positioning plate (4).

6. A clamping tool with plane bearing device, according to claim 5, characterized in that a handle (8) is provided at one end of said screw shaft (5), and a socket adapted to said handle (8) is provided in a threaded section of said screw shaft (5).

7. The clamping tool with plane bearing device as claimed in claim 4, 5 or 6, wherein two said clamping plates (1) are S-shaped and bent, one end of two said clamping plates (1) is provided with a bent portion (11) which is concave inwards, and two ends of said cross beam (3) are hinged with the bent portion (11) of two said clamping plates (1).

8. A clamping tool with a plane bearing device, according to claim 7, characterized in that the other end of the two clamping plates (1) is provided with an inclined section provided with an inner inclined extension, and the two clamping blocks (7) are respectively arranged inside the inclined sections of the two clamping plates (1).