CN211440019U - Labor-saving clamping mechanism - Google Patents
Labor-saving clamping mechanism Download PDFInfo
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- CN211440019U CN211440019U CN201921813846.1U CN201921813846U CN211440019U CN 211440019 U CN211440019 U CN 211440019U CN 201921813846 U CN201921813846 U CN 201921813846U CN 211440019 U CN211440019 U CN 211440019U
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Abstract
The utility model relates to the field of clamping mechanisms, in particular to a labor-saving clamping mechanism, which comprises a connecting seat, a connecting shaft, a clamping jaw and a push rod; two ends of the connecting seat are provided with mounting parts extending downwards, and the connecting shaft is arranged between the two mounting parts; the two clamping jaws are oppositely sleeved on the connecting shaft and comprise clamping ends and connecting ends, and the clamping ends and the connecting ends form included angles of 180 degrees; the connecting ends of the two clamping jaws are provided with sliding chutes, and the sliding chutes extend from the free ends of the connecting ends to the other ends; the push rod penetrates through the connecting seat in a sliding manner, a pressing plate is arranged at the lower end of the push rod, connecting parts extend downwards from two ends of the pressing plate, and connecting pins extending into the sliding grooves are arranged at the lower ends of the connecting parts; the push rod is sleeved with a compression spring, the upper end of the compression spring is abutted to the limiting part, and the lower end of the compression spring is abutted to the connecting seat. When the push rod pushes the clamping jaws to be opened, the moment of the push rod is constant all the time, so that the clamping opening force cannot increase the pushing force applied to the clamping jaws by the push rod along with the change of the clamping opening degree; compared with the traditional clamping mechanism, the clamping mechanism is more labor-saving.
Description
Technical Field
The utility model relates to a mechanical clamping field, concretely relates to laborsaving fixture.
Background
The clamping mechanism is applied to various automatic production lines to realize the functions of automatic clamping and loosening; in particular, in mass production, a large number of clamping devices are used. For example, in a pouch battery formation apparatus, a row of batteries needs to be held by a crown block and put into a formation jig. In chinese patent literature, the publication numbers are: CN108555943A discloses a lithium battery manipulator unclamping device, in which the following are recorded in the specification: the clamping units are arranged into a plurality of groups and are horizontally arranged at the bottom layer of the implemented clamping opening rack, the top of each clamping unit is connected with a manipulator guide sleeve at the bottom of the clamping opening block through a mechanical guide assembly of the clamping unit, meanwhile, each clamping unit comprises a rotating shaft and two clamping plates capable of realizing an expansion state and a tightening state, the two clamping plates of each clamping unit are used for clamping and clamping battery cells, and each clamping plate is fixed at the bottom of the corresponding material clamp; however, according to the technical solution disclosed in this document, the material clamp is connected with the clamping opening block through a connecting rod; when the clamping plate needs to be opened, the clamping block is pressed downwards to overcome the elasticity of the spring, so that the clamping plate is opened; however, in the opening process, the moment of rotation of the two clamping blocks around the rotating shaft is changed continuously, the moment is shortened gradually, the opening force is required to be increased, and in the state that the clamping blocks are completely opened, the moment is shortest, so that the larger opening force is required; thirdly, in the clamping opening process, the clamping opening block transmits force to the connecting rod, and the connecting rod pushes the corresponding clamping block to swing around the rotating shaft; in the swinging process of the clamping block, the angle between the connecting rod and the clamping block is also changed, the connecting rod and the clamping block are connected by adopting a pivot, and according to the orthogonal decomposition principle of mechanics, the clamping opening force part is the force for pushing the clamping block to open the clamp, the other part of the force is the horizontal pulling force for pushing the pivot, and the horizontal pulling force of the pivot has no direct driving effect on the open clamp, so that the problem of large clamping opening force is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: provides a labor-saving clamping mechanism to solve the problem of large clamping force of the existing clamping mechanism.
In order to solve the technical problem, the technical scheme of the utility model is that: the labor-saving clamping mechanism comprises a connecting seat, a connecting shaft, a clamping jaw and a push rod; two ends of the connecting seat are provided with mounting parts extending downwards, and the connecting shaft is arranged between the two mounting parts; the two clamping jaws are oppositely sleeved on the connecting shaft, each clamping jaw comprises a clamping end and a connecting end, and the clamping ends and the connecting ends form an included angle of not 180 degrees; the connecting ends of the two clamping jaws are provided with sliding grooves, and the sliding grooves extend from the free ends of the connecting ends to the other ends; the push rod penetrates through the connecting seat in a sliding manner, a pressing plate is arranged at the lower end of the push rod, connecting parts extend downwards from two ends of the pressing plate, and connecting pins extending into the corresponding sliding grooves are arranged at the lower ends of the connecting parts; the top of push rod is equipped with spacing portion, the cover is equipped with compression spring on the push rod, compression spring's upper end with spacing portion butt, the lower extreme with the connecting seat butt.
Furthermore, an open slot is formed in the connecting end, the open slot enables the connecting end to form two side walls, the connecting portion stretches into the corresponding open slot, and the connecting pin penetrates through the connecting portion and stretches into the two sliding grooves of the side walls.
Furthermore, the included angle between the inner side surface of the clamping end and the sliding groove is 120-160 degrees.
Furthermore, the connecting seat is also provided with a guide sleeve, and the push rod penetrates through the guide sleeve in a sliding manner.
Furthermore, connecting pieces are arranged on two sides of the connecting seat and used for connecting adjacent labor-saving clamping mechanisms; one the outside of installation department still is equipped with the direction slider, the direction slider is used for being connected with the inboard guide rail of the framework of retinue clamp, another the outside of installation department is equipped with supporting roller, supporting roller is used for supporting on the inboard supporting guide rail of retinue clamp.
Furthermore, the connecting piece includes two connection bosss that extend outward and locate two the bolt between the connection boss.
Furthermore, a shifting fork is further arranged at the lower end of the outer side of the mounting part and used for pushing the labor-saving clamping mechanism to move by a formation plate of the battery formation clamp; the shifting fork is L-shaped.
Compared with the prior art, the labor-saving clamping mechanism has the following beneficial effects:
1. the connecting ends of the two clamping jaws are provided with sliding grooves, and the sliding grooves extend from the free ends of the connecting ends to the other ends; the push rod penetrates through the connecting seat in a sliding manner, a pressing plate is arranged at the lower end of the push rod, connecting parts extend downwards from two ends of the pressing plate, and connecting pins extending into the corresponding sliding grooves are arranged at the lower ends of the connecting parts; therefore, when the push rod receives downward pressure, the compression spring is overcome to push the clamping jaw to rotate around the connecting shaft, so that the clamping is opened; however, in the process of opening the clamp, the connecting pin can slide in the sliding groove and push the clamping jaw to rotate around the connecting shaft, and according to the orthogonal decomposition principle, when the push rod pushes the clamping jaw to be opened, the moment of the push rod is constant all the time, so that the clamping opening force cannot increase the pushing force applied to the clamping jaw by the push rod along with the change of the clamping opening degree; compared with the traditional clamping mechanism, the clamping mechanism is more labor-saving.
2. Because the connecting pin slides in the sliding groove in the process of pushing the clamping jaw to open the clamp, the original mode of pivoting is replaced, the horizontal pulling force on the clamping jaw is avoided, and the effect of further saving labor is achieved.
Drawings
FIG. 1 is a front view of the labor-saving clamping mechanism of the present invention;
FIG. 2 is a three-dimensional structure view of the labor-saving clamping mechanism of the present invention;
Detailed Description
The following detailed description will be further described in conjunction with the above-identified drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.
Referring to fig. 1-2, the labor-saving clamping mechanism includes a connecting seat 1, a connecting shaft 2, a clamping jaw 3 and a push rod 4. Two ends of the connecting seat 1 are provided with mounting parts 10 extending downwards, and the connecting shaft 2 is arranged between the two mounting parts 10; the two clamping jaws 3 are oppositely sleeved on the connecting shaft 2, each clamping jaw 3 comprises a clamping end 30 and a connecting end 31, and the clamping ends 30 and the connecting ends 31 form an included angle of not 180 degrees; the connecting ends 31 of the two clamping jaws 3 are provided with sliding grooves 310, and the sliding grooves 310 extend from the free ends of the connecting ends 31 to the other ends; the push rod 4 penetrates through the connecting seat 1 in a sliding manner, a press plate 40 is arranged at the lower end of the push rod 4, connecting parts 41 extend downwards from two ends of the press plate 40, and a connecting pin 42 extending into the corresponding sliding groove 310 is arranged at the lower end of each connecting part 41; the top of push rod 4 is equipped with spacing portion 43, the cover is equipped with compression spring 5 on the push rod 4, compression spring 5's upper end with spacing portion 43 butt, the lower extreme with connecting seat 1 butt. When the push rod 4 receives downward pressure, the elastic force of the compression spring 5 is overcome, so that the clamping jaw 3 is pushed to rotate around the connecting shaft 2, and the clamping is opened; however, during the unclamping process, the connecting pin 42 slides in the sliding slot 310 and pushes the clamping jaw 3 to rotate around the connecting shaft 2, and as can be seen from the principle of orthogonal decomposition, when the pushing rod 4 pushes the clamping jaw 3 to open, the moment is not changed all the time, so that the clamping force cannot increase the pushing force applied to the clamping jaw 3 by the pushing rod 4 along with the change of the clamping degree; compared with the traditional clamping mechanism, the clamping mechanism is more labor-saving. In the process of pushing the clamping jaw 3 to open the clamp, the connecting pin 42 slides in the sliding groove 310, so that the original mode of pivoting is replaced, the generation of horizontal pulling force on the clamping jaw 3 is avoided, and the effect of further saving labor is achieved.
Further, referring to fig. 2, an open slot 311 is further disposed on the connection end 31, the open slot 311 enables the connection end 31 to form two side walls, the connection portion 41 extends into the corresponding open slot 311, and the connection pin 42 penetrates through the connection portion 41 and extends into the sliding grooves 310 of the two side walls. In this embodiment, the connecting end 31 of the clamping jaw 3 is cut into two parts through the opening slot 311, the connecting portion 41 extends into the opening slot 311, and the two ends of the connecting pin 42 are respectively connected with the two side walls, so that the clamping jaw 3 is stressed more uniformly.
Further, the included angle between the inner side surface of the clamping end 30 and the sliding groove 310 is 120-160 °. In this embodiment, the moment for pushing the clamping jaw 3 to open by the connecting portion 41 is relatively long, and the pushing force is relatively small when the clamping jaw 3 is pushed to open. More preferably, the inner side surface of the clamping end 30 forms an angle of 160 ° with the sliding groove 310
Further, the connecting seat 1 is further provided with a guide sleeve 11, and the push rod 4 penetrates through the guide sleeve 11 in a sliding manner. In the present embodiment, the guide sleeve 11 guides the push rod 4, and the wear of the push rod 4 can be reduced.
The labor-saving clamping mechanism is implemented; referring to fig. 1 and 2, the portable clamping mechanism is used for battery formation, specifically, connecting pieces 6 are further arranged on two sides of the connecting seat 1, and the connecting pieces 6 are used for connecting adjacent labor-saving clamping mechanisms; one the outside of installation department 10 still is equipped with direction slider 7, direction slider 7 is used for being connected with the inboard guide rail of the framework of retinue clamp, another the outside of installation department 10 is equipped with supporting roller 8, supporting roller 8 is used for supporting on the inboard supporting guide rail of retinue clamp.
Further, the connecting member 6 includes two connecting bosses 60 extending outward and a plug 61 disposed between the two connecting bosses 60.
Further, the lower end of the outer side of the mounting part 10 is also provided with a shifting fork 9, and the shifting fork 9 is used for pushing the labor-saving clamping mechanism to move by a formation plate of the battery formation clamp; the shifting fork is L-shaped. Specifically, when laborsaving fixture clamp holds the battery to place when changing into in the anchor clamps, when changing into the board removal of anchor clamps and pressing from both sides tight battery, avoid changing into the board and press from both sides tight battery, and pull the power through the battery and drive laborsaving fixture and remove, consequently set up shift fork 9, promote shift fork 9 through becoming the board, make laborsaving fixture remove, reach and play the guard action to the battery.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (7)
1. The labor-saving clamping mechanism comprises a connecting seat, a connecting shaft, a clamping jaw and a push rod; two ends of the connecting seat are provided with mounting parts extending downwards, and the connecting shaft is arranged between the two mounting parts; the two clamping jaws are oppositely sleeved on the connecting shaft, each clamping jaw comprises a clamping end and a connecting end, and the clamping ends and the connecting ends form an included angle of not 180 degrees; the clamping jaw is characterized in that the connecting ends of the two clamping jaws are provided with sliding chutes, and the sliding chutes extend from the free ends of the connecting ends to the other ends; the push rod penetrates through the connecting seat in a sliding manner, a pressing plate is arranged at the lower end of the push rod, connecting parts extend downwards from two ends of the pressing plate, and connecting pins extending into the corresponding sliding grooves are arranged at the lower ends of the connecting parts; the top of push rod is equipped with spacing portion, the cover is equipped with compression spring on the push rod, compression spring's upper end with spacing portion butt, the lower extreme with the connecting seat butt.
2. The labor-saving clamping mechanism as claimed in claim 1, wherein the connecting end is further provided with an open slot, the open slot enables the connecting end to form two side walls, the connecting portion extends into the corresponding open slot, and the connecting pin penetrates through the connecting portion and extends into the sliding grooves of the two side walls.
3. The labor-saving clamping mechanism of claim 1, wherein the included angle between the inner side surface of the clamping end and the sliding groove is 120-160 °.
4. The labor-saving clamping mechanism as claimed in any one of claims 1 to 3, wherein the connecting seat is further provided with a guide sleeve, and the push rod penetrates through the guide sleeve in a sliding manner.
5. The labor-saving clamping mechanism as claimed in any one of claims 1 to 3, wherein connecting pieces are further arranged on two sides of the connecting seat, and the connecting pieces are used for connecting adjacent labor-saving clamping mechanisms; one the outside of installation department still is equipped with the direction slider, the direction slider is used for being connected with the inboard guide rail of the framework of retinue clamp, another the outside of installation department is equipped with supporting roller, supporting roller is used for supporting on the inboard supporting guide rail of retinue clamp.
6. The labor-saving clamping mechanism as recited in claim 5 wherein said connecting member comprises two outwardly extending connecting bosses and a pin disposed between said two connecting bosses.
7. The labor-saving clamping mechanism as claimed in claim 5, wherein a shifting fork is further arranged at the lower end of the outer side of one of the mounting parts, and the shifting fork is used for pushing the labor-saving clamping mechanism to move by a formation plate of the battery formation clamp; the shifting fork is L-shaped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921813846.1U CN211440019U (en) | 2019-10-25 | 2019-10-25 | Labor-saving clamping mechanism |
Applications Claiming Priority (1)
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CN201921813846.1U CN211440019U (en) | 2019-10-25 | 2019-10-25 | Labor-saving clamping mechanism |
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CN211440019U true CN211440019U (en) | 2020-09-08 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114453492A (en) * | 2022-01-24 | 2022-05-10 | 深圳市金岷江智能装备有限公司 | Flaring device |
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2019
- 2019-10-25 CN CN201921813846.1U patent/CN211440019U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114453492A (en) * | 2022-01-24 | 2022-05-10 | 深圳市金岷江智能装备有限公司 | Flaring device |
CN114453492B (en) * | 2022-01-24 | 2023-08-22 | 深圳市金岷江智能装备有限公司 | Flaring device |
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