CN212711619U

CN212711619U - Synchronous clamping device

Info

Publication number: CN212711619U
Application number: CN202021589114.1U
Authority: CN
Inventors: 常海涛; 詹承康; 林大富
Original assignee: Fujian Nanping Nanfu Battery Co Ltd
Current assignee: Fujian Nanping Nanfu Battery Co Ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-16
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a synchronous clamping device, which comprises a first clamping mechanism arranged on the inner side walls of the left and right side plates of a clamping frame and a second clamping mechanism arranged on the inner side walls of the front and rear side plates of the clamping frame; every first fixture includes the telescopic clamping jaw, and every second fixture includes clamping bar seat, clamping bar and feeler lever, and the pole body middle part of clamping bar articulates on the clamping bar seat, and the front side of the head end of clamping bar extends a boss towards this second fixture offside level, is connected with first compression spring between the tail end of clamping bar and the clamping bar seat, and the leading flank of the tail end of clamping bar is the inclined plane that inclines backward for the leading flank of the pole body of relative clamping bar, the feeler lever is fixed mounting respectively on clamping bar front and back both sides face. When the clamping jaw stretches out, the feeler lever moves along the front side surface of the clamping lever and presses the lever body of the clamping lever downwards to enable the head end of the clamping lever to be tilted to the boss to be abutted against the side surface of the box body to be clamped, and synchronous clamping operation is achieved.

Description

Synchronous clamping device

Technical Field

The utility model relates to a material tipping arrangement especially relates to a synchronous clamping device.

Background

In the automatic production, the situation that the next production process is performed after the materials which are orderly stacked in the middle rotating disc are turned over is frequently encountered, for example, in the production process of alkaline batteries, the semi-finished batteries need to be turned over by 180 degrees to realize turning of the positive electrode and the negative electrode in part of the processes so as to check the quality of the semi-finished batteries. The turnover operation of the middle turntable with materials on the production line generally adopts manual turnover, specifically, a worker firstly reversely buckles an empty tray on the middle turntable filled with the materials, then holds the bottom of the middle turntable with one hand and presses the bottom of the empty tray with the other hand to turn over. Because the clearance of material length has between empty tray and the well carousel, cause the material to scatter in empty tray easily during the upset, it is inefficient, waste time and energy.

In view of the above, it is desirable to develop an automatic tray-turning device to improve tray-turning efficiency. To solve the automation of the tray turnover, a mechanical device for clamping two oppositely buckled box bodies is also an important link in the research and development process.

Disclosure of Invention

An object of the utility model is to provide a synchronous clamping device.

Realize the utility model discloses the technical scheme of purpose is: a synchronous clamping device comprises a square clamping frame, wherein first clamping mechanisms are symmetrically arranged on the inner side walls of the left side plate and the right side plate of the clamping frame, and second clamping mechanisms are symmetrically arranged on the inner side walls of the front side plate and the rear side plate of the clamping frame; each first clamping mechanism comprises a telescopic clamping jaw vertical to a horizontal plane, each second clamping mechanism comprises a clamping rod seat, a clamping rod and a contact rod, the middle part of the rod body of the clamping rod is hinged on the clamping rod seat, the rod body of the clamping rod is arranged in parallel with the horizontal plane, a boss for clamping the box body horizontally extends from the front side surface of the head end of the clamping rod to the opposite side of the second clamping mechanism, a first compression spring is connected between the tail end of the clamping rod and the clamping rod seat, the front side surface of the tail end of the clamping rod is an inclined surface which inclines backwards relative to the front side surface of the rod body of the clamping rod, the feeler levers are respectively and fixedly arranged on the front side surface and the rear side surface of the clamping jaw and are opposite to the clamping lever, when the clamping jaw extends out, the feeler lever moves close to the front side surface of the clamping lever and presses the lever body of the clamping lever downwards to enable the head end of the clamping lever to be tilted to the boss to be abutted against the side surface of the box body to be clamped.

Further, the ladder through-hole that rear end opening bore shrinks is seted up along its axial in the boss, and the embedded second compression spring that is equipped with of ladder through-hole wears to be equipped with a chuck in the second compression spring, the chuck is preceding big step pole that the back is little, second compression spring one end is supported and is leaned on the ladder face in ladder through-hole, and the second compression spring other end supports and leans on the ladder face in the chuck, and the rear end fixed mounting of chuck has the stopper that prevents that the chuck from deviating from in the ladder through-hole.

Furthermore, a bearing installation groove is formed in the head end of the feeler lever, a feeler lever bearing is movably installed in the bearing installation groove, the axial direction of the feeler lever bearing is perpendicular to the horizontal plane, and the outer wall of the feeler lever bearing protrudes out of the opening end of the bearing installation groove. The friction between the feeler lever and the clamping lever is converted into rolling friction, and the friction force of the feeler lever in the advancing process is reduced.

Furthermore, any two opposite side surfaces of the clamping frame are respectively provided with a rotating shaft seat, a rotating shaft is horizontally and fixedly installed in the rotating shaft seat, and the rotating shaft is movably installed on the rack through a bearing, so that the overturning function of the clamping frame is realized.

The utility model discloses the synchronous clamping device who realizes, its contact that drives second fixture by first fixture removes and pushes down the pole body that the front flank of clamping bar makes the head end perk of clamping bar to the boss and treat the side of centre gripping box body inconsistent along the leading flank of clamping bar, and four directions press from both sides tight box body of detaining from the left and right sides from this, have the synchronism good, advantage that the dead weight is light.

Drawings

FIG. 1 is a schematic structural view of the synchronous clamping device of the present invention

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic cross-sectional structural diagram of the first clamping mechanism without a feeler lever according to an embodiment of the present invention.

Detailed Description

The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 3, a synchronous clamping device includes a square clamping frame 1, wherein first clamping mechanisms 2 are symmetrically installed on inner side walls of a left side plate 11 and a right side plate 12 of the clamping frame 1, and second clamping mechanisms 3 are symmetrically installed on inner side walls of a front side plate 13 and a rear side plate 14 of the clamping frame 1; each first clamping mechanism 2 comprises a telescopic clamping jaw 21 vertical to a horizontal plane, each second clamping mechanism 3 comprises a clamping rod seat 31, a clamping rod 32 and a touch rod 33, the middle part of a rod body 321 of the clamping rod 32 is hinged to the clamping rod seat 31, the rod body of the clamping rod 32 is arranged in parallel with the horizontal plane, a boss 34 horizontally extends from a head end 322 of the clamping rod 32 to the opposite side of the second clamping mechanism, a first compression spring 35 is connected between a tail end 323 of the clamping rod 32 and the clamping rod seat 31, a front side surface 3231 of a tail end 323 of the clamping rod 32 is an inclined surface inclined backwards relative to the front side surface of the rod body 321 of the clamping rod 32, and the touch rods 33 are respectively and fixedly arranged on the front side surface and the back side surface of the clamping jaw 21 and are opposite to the clamping; the left side and the right side of the clamping frame 1 are respectively provided with a rotating shaft seat 4, a rotating shaft 5 is horizontally and fixedly installed in the rotating shaft seats 4, and the rotating shaft 5 is movably installed on a rack (not shown) through a bearing.

A stepped through hole 341 with a reduced rear end opening hole diameter is formed in the boss 34 along the axial direction, a second compression spring 36 is embedded in the stepped through hole 341, a chuck 37 for clamping two oppositely buckled box bodies (not shown) is arranged in the second compression spring 36 in a penetrating manner, the chuck 37 is a stepped rod with a large front part and a small rear part, one end of the second compression spring 36 is abutted against the stepped surface of the stepped through hole 341, the other end of the second compression spring 36 is abutted against the stepped surface of the chuck 37, and a limiting block 38 for preventing the chuck 37 from being disengaged from the stepped through hole 341 is fixedly installed at the rear end of the chuck 37; the head end of the feeler lever 33 is provided with a bearing mounting groove 331, a feeler lever bearing 332 is movably mounted in the bearing mounting groove 331, the axial direction of the feeler lever bearing 332 is perpendicular to the horizontal plane, the outer wall of the feeler lever bearing 332 protrudes out of the opening end of the bearing mounting groove 331, in an initial state, the feeler lever bearing 332 is abutted against the front side face 3231 of the tail end 323 of the clamping lever 32, and when the clamping jaw 21 extends out, the feeler lever bearing 332 rolls tightly close to the front side face of the clamping lever 32 and presses the rod body 321 of the clamping lever 32 downwards to enable the head end 322 of the clamping lever 32 to be tilted up to be abutted against the side face of the box body, so that the clamping jaw 21 and the clamping head 37 clamp the abutting.

The clamping force of the chuck of the second clamping mechanism provided with the second compression spring is larger than that of the boss; the structure of the feeler lever is not limited to the embodiment, and the additionally arranged feeler lever bearing converts the friction between the feeler lever and the clamping lever into rolling friction so as to reduce the friction force of the feeler lever in the advancing process; in the initial state, a movable gap can be reserved between the head end of the feeler lever and the inclined plane of the tail end of the clamping lever, and only the feeler lever can be ensured to contact the inclined plane of the tail end of the clamping lever when the clamping jaw extends out, and then the feeler lever moves along the front side surface of the clamping lever and presses down the lever body of the clamping lever to enable the head end of the clamping lever to tilt until the boss is abutted against the side surface of the box body; the rotating shaft is arranged according to actual working requirements so as to realize the overturning of the clamping frame; the mechanism for driving the jaws to extend and retract may be a pneumatic cylinder or other conventional mechanical structure for moving the jaws linearly.

The above only be the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the equivalent flow transform that the content of the specification was made, or direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a patent protection within range.

Claims

1. A synchronous clamping device is characterized in that: the clamping device comprises a square clamping frame, wherein first clamping mechanisms are symmetrically arranged on the inner side walls of the left side plate and the right side plate of the clamping frame, and second clamping mechanisms are symmetrically arranged on the inner side walls of the front side plate and the rear side plate of the clamping frame; each first clamping mechanism comprises a telescopic clamping jaw vertical to a horizontal plane, each second clamping mechanism comprises a clamping rod seat, a clamping rod and a contact rod, the middle part of the rod body of the clamping rod is hinged on the clamping rod seat, the rod body of the clamping rod is arranged in parallel with the horizontal plane, a boss for clamping the box body horizontally extends from the front side surface of the head end of the clamping rod to the opposite side of the second clamping mechanism, a first compression spring is connected between the tail end of the clamping rod and the clamping rod seat, the front side surface of the tail end of the clamping rod is an inclined surface which inclines backwards relative to the front side surface of the rod body of the clamping rod, the feeler levers are respectively and fixedly arranged on the front side surface and the rear side surface of the clamping jaw and are opposite to the clamping lever, when the clamping jaw extends out, the feeler lever moves close to the front side surface of the clamping lever and presses the lever body of the clamping lever downwards to enable the head end of the clamping lever to be tilted to the boss to be abutted against the side surface of the box body to be clamped.

2. A synchronized gripping device according to claim 1, characterized in that: the ladder through-hole that rear end open pore diameter contracted is seted up along its axial in the boss, and the embedded second compression spring that is equipped with of ladder through-hole wears to be equipped with a chuck in the second compression spring, the chuck is the little step pole in big-end-up, second compression spring one end is supported and is leaned on the ladder face in the ladder through-hole, and the second compression spring other end supports and leans on the ladder face in the chuck, and the rear end fixed mounting of chuck has the stopper that prevents that the chuck from deviating from in the ladder through-hole.

3. A synchronized gripping device according to claim 1, characterized in that: the contact rod comprises a contact rod body and is characterized in that a bearing installation groove is formed in the head end of the contact rod body, a contact rod bearing is movably installed in the bearing installation groove, the axial direction of the contact rod bearing is perpendicular to the horizontal plane, and the outer wall of the contact rod bearing protrudes out of the opening end of the bearing installation groove.

4. A synchronized gripping device according to claim 1, characterized in that: the clamping frame is characterized in that any two opposite side surfaces of the clamping frame are respectively provided with a rotating shaft seat, a rotating shaft is horizontally and fixedly installed in the rotating shaft seat, and the rotating shaft is movably installed on the rack through a bearing.