CN204183156U - Battery stationary fixture - Google Patents

Abstract

The utility model relates to the technical field of battery welding, and provides a battery fixing jig for positioning and fixing batteries during welding, wherein the battery fixing jig includes an electric welding panel connected from top to bottom, a first connecting plate and a bottom plate; electric welding The panel is provided with a plurality of first through holes arranged side by side and at intervals along its length direction, a plurality of second through holes respectively corresponding to the first through holes are opened on the first connecting plate, and a plurality of second through holes corresponding to the first through holes are opened on the bottom plate. The holes are respectively corresponding to several third through holes; the first connecting plate is provided with a first chute, and the first chute is provided with a battery thickness adjusting plate and the first elastic element; the bottom plate is provided with a second chute, and the first chute A battery width adjusting plate and a second elastic element are arranged in the second chute. Compared with the prior art, the battery fixing jig provided by the utility model saves the jig adjustment time when changing the line, and greatly improves the production efficiency.

Description

Battery Fixture

technical field

The utility model relates to the technical field of battery welding, in particular to a battery fixing fixture. the

Background technique

The lithium battery is mainly composed of a battery cell, a protective circuit board, and a plastic case. First, the two main components, the battery cell and the protective circuit board, are welded together, and then the two wires are respectively connected to the two wires on the protective circuit board through the central positioning welding fixture. Electrode tabs are welded together and subsequently produced. the

At present, when the existing adjustable clamps are positioned and fixed for different types of batteries, the adjustable clamps are manually adjusted according to the specifications of the batteries so that they can match the batteries. However, in the battery welding process, multiple sets of jigs with different specifications need to be used. If the wires of each jig are adjusted at the same time, it will not only take a lot of time, but the production efficiency is low; If it cannot be well controlled, it is easy to reduce the positioning accuracy due to excessive clearance and fail to reach the required accuracy, or the wear cannot be eliminated due to excessive clearance. the

Utility model content

The technical problem to be solved by the utility model is to provide a battery fixing jig, aiming to solve the problem of low positioning accuracy of the battery fixing jig when fixing the battery in the prior art. the

In order to solve the above technical problems, the technical solution adopted by the utility model is: a battery fixing jig, which is used for positioning and fixing the battery during welding, wherein the battery fixing jig includes an electric welding panel connected from top to bottom, a first A connection plate and a bottom plate; the electric welding panel is provided with several first through holes for the vertical insertion of the battery and arranged at intervals along its length direction, and the first connection plate is provided with the first through holes A plurality of second through holes respectively corresponding to and inserted in cooperation with the battery, and a plurality of third through holes respectively corresponding to the first through holes and inserted in cooperation with the battery are opened on the bottom plate; The top surface of the first connecting plate is provided with a first chute extending along the length direction of the electric welding panel, and the second through holes are all arranged on the bottom surface of the first chute and connected with the first chute. The grooves are connected, and the first chute is provided with a battery thickness adjustment plate that can move relative to the first connecting plate along the length direction of the electric welding panel and is connected to one end of the battery thickness adjustment plate and pushed after being pressed. The first elastic element for the movement of the battery thickness adjustment plate. The battery thickness adjustment plate is provided on the battery thickness adjustment plate to correspond to the first through holes when the battery thickness adjustment plate moves toward the first elastic element. Several clamping grooves for the battery to be inserted into; the bottom plate has a second chute extending from the center of its top surface toward the width direction of the electric welding panel, the second chute includes two longitudinal side walls, the The several third through holes on the bottom plate are all arranged on the two longitudinal side walls, the third through holes are at least partly located on the bottom surface of the second chute, and the second chute is provided with a a battery width adjusting plate that moves relative to the bottom plate along the width direction of the electric welding panel, and a second elastic element that is connected to one side of the battery width adjusting plate and pulls the battery width adjusting plate to move after being pressed, the The battery width adjusting plate has a width capable of covering several of the third through holes when it moves. the

Further, the first chute extends to the periphery of the end of the first connecting plate away from the first elastic element, and the two sides of the end of the first connecting plate away from the first elastic element are respectively provided with A position-limiting protrusion protruding from the first chute, and a space is left between the two position-limiting protrusions. the

Further, an opening is formed between the two limiting protrusions on the first connecting plate, and the battery thickness adjusting plate includes a protrusion embedded in the opening when it moves outward, and the protrusion is formed by An end of the battery thickness adjusting plate that is away from the first elastic element is formed to protrude horizontally outward. the

Further, one end of the battery thickness adjusting plate is connected with a plurality of the first elastic elements, and the plurality of the first elastic elements are arranged at intervals along the width direction of the electric welding panel. the

Further, two second elastic elements are connected to one side of the battery width adjustment plate, and the two second elastic elements are respectively located at two ends of the battery width adjustment plate on this side. the

Further, the battery fixing fixture further includes a second connecting plate connected between the first connecting plate and the bottom plate, and the second connecting plate is provided with holes corresponding to the first through holes and corresponding to the first through holes respectively. The batteries are inserted into several fourth through holes. the

Further, the electric welding panel, the first connection plate, the bottom plate and/or the second connection plate are bakelite boards. the

Further, the first elastic element is a compression spring. the

Further, the second elastic element is a tension spring, and the tension spring is fixed in the bottom plate through a spring joint. the

Further, the battery is a square lithium battery. the

Compared with the prior art, the battery fixing jig provided by the utility model realizes the adjustment of the battery along the length direction of the electric welding panel through the change of the spacing between the clamping groove on the battery thickness adjustment plate and the corresponding through holes when the battery thickness adjustment plate moves. At the same time, the battery is positioned and fixed along the width direction of the electric welding panel through the battery width adjustment plate. In this way, not only can the battery have better positioning accuracy and fixing reliability, but also save the fixture when changing the line. Adjusting the time greatly improves production efficiency; in addition, through the action of the first elastic element and the second elastic element, the influence caused by machining accuracy and wear is eliminated, and high-precision positioning in the welding process is realized. the

Description of drawings

Fig. 1 is an exploded schematic diagram of a battery fixing fixture provided by an embodiment of the present invention. the

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model. the

The realization of the utility model is described in detail below in conjunction with specific drawings. the

As shown in Figure 1, it is a preferred embodiment provided by the utility model. the

Fig. 1 shows a schematic structural diagram of a battery fixing fixture according to the present invention. The directions "front", "rear", "left", "right", "up" and "down" referred to in the present invention refer to various directions based on the battery fixing fixture. The length direction of the electric welding panel mentioned below is the first direction D1, and the width direction of the electric welding panel is the second direction D2. the

The battery fixing jig provided in this embodiment is used for putting the battery (not shown) into and positioning and fixing it during welding. The battery is mainly a square cell phone lithium battery, and of course, other types of batteries can also be used. the

The battery fixing fixture includes an electric welding panel 1, a first connecting plate 2, a second connecting plate 5 and a bottom plate 8 sequentially connected from top to bottom, and the electric welding panel 1, the first connecting plate 2, the second connecting plate 5 and the bottom plate 8 are all Bakelite is made, and its length and width are basically the same, and the number of the second connecting board 5 can be increased or decreased according to actual needs. The electric welding panel 1 is provided with a plurality of first through holes 1a arranged side by side and at intervals along the first direction D1, and the first connecting plate 2 is provided with a plurality of second through holes corresponding to the first through holes 1a and having the same number. 2a, the bottom plate 8 is provided with a plurality of third through holes 8a corresponding to the first through holes 1a and of the same number, and the second connecting plate 5 is provided with a plurality of third through holes 8a of the same number corresponding to the first through holes 1a respectively. Four through holes 5a. The first through hole 1a, the second through hole 2a, the third through hole 8a and the fourth through hole 5a have the same shape and size, and are all rectangular holes. After the electric welding panel 1, the first connecting plate 2, the second connecting plate 5 and the bottom plate 8 are connected and assembled, the first through hole 1a, the second through hole 2a, the third through hole 8a and the fourth through hole 5a are in the longitudinal direction (ie In the height direction), the projection planes are basically coincident, and the battery is inserted from the first through hole 1a and falls into the first through hole 1a, the second through hole 2a, the third through hole 8a and the fourth through hole 5a. the

The surface of the first connecting plate 2 is provided with a first chute 21 (certainly, the first chute 21 can also be provided in the middle part of the first connecting plate 2), and the second through hole 2a is located on the bottom surface of the first chute 21 Above, the battery thickness adjusting plate 3 for fixing the battery in the first direction D1 after the battery is placed is arranged in the first chute 21 . The battery thickness adjusting plate 3 can move left and right in the first chute 21 relative to the first connecting plate along the first direction D1, and the left end of the battery thickness adjusting plate 3 is connected with a first elastic element 4 (the first elastic element 4 can be a certain elastic deformation springs, shrapnel, etc.), the left end of the battery thickness adjustment plate 3 is connected with three first elastic elements 4, and the three first elastic elements 4 are arranged at intervals along the second direction D2. The first elastic element 4 is a compression spring, and there are three compression spring grooves 22 for placing the compression spring near the left end of the first connecting plate 2 (of course the compression spring can also be directly placed in the first chute 21), the compression The spring groove 22 communicates with the first chute 21, the left end of the compression spring abuts against the inner wall of the first chute 21, and the other end abuts against the side wall of the left end of the battery thickness adjusting plate 3, so that the battery thickness can be adjusted in the initial state. A certain distance is maintained between the plate 3 and the pressure spring groove 22 , and the distance is the moving stroke of the battery thickness adjusting plate 3 in the first sliding groove 21 . The battery thickness adjusting plate 3 is provided with a plurality of clamping grooves 41 corresponding to the first through hole 1a when the battery is put in and having the same number. The plurality of clamping grooves 41 are arranged side by side along the first direction D1 of the electric welding panel 1 and spaced apart. set up. The first chute 21 extends to the periphery of the right end surface of the first connecting plate 2, and the two sides of the right end of the first connecting plate 2 are respectively provided with a position-limiting protrusion 24 protruding toward the first chute 21, and two position-limiting protrusions 24 Leave a space in between. An opening 23 is formed between the two stop protrusions 24 on the first connecting plate 2, and the battery thickness adjusting plate 3 includes a protrusion 42 embedded in the opening 23 when moving to the right, and the protrusion 42 is formed on the battery thickness adjusting plate 3. One end away from the first elastic element 4 is formed to protrude horizontally outward. A cylinder (not shown) is connected to the right end of the battery thickness regulating plate 3, and the cylinder can move the battery thickness regulating plate 3 to the left in the first direction D1. the

The surface of the base plate 8 is provided with a second chute 81 (certainly, the second chute 81 can also be provided in the middle part of the base plate 8), the third through hole 8a is positioned on the bottom surface of the second chute 81, and the second chute 81 81 is provided with a battery width adjusting plate 6 for fixing the battery in the second direction D2 after the battery is put in. The battery width adjusting plate 6 can move back and forth relative to the bottom plate 8 along the second direction D2, and the rear side of the battery width adjusting plate 6 is connected with a second elastic element 7 (the second elastic element 7 can be a spring with a certain elastic deformation, a shrapnel, etc.) . The length of the battery width adjusting plate 6 is substantially the same as or slightly shorter than the length of the second chute 81 , and the width of the battery width adjusting plate 6 is much smaller than the width of the second chute 81 . Two second elastic elements 7 are connected to the rear side of the battery width adjustment plate 6, and the second elastic elements 7 are tension springs. Also offer two extension spring slots 82 for placing extension springs at the left and right ends of the base plate 8 near the rear side (certain extension springs can also be directly placed in the second chute 81), extension spring slots 82 and The second chute 81 communicates, the rear end of the compression spring is fixed to the bottom plate 8 through the spring joint 9, and the front end is connected to the rear side of the battery width adjustment plate 6, and the battery width adjustment plate 6 is pulled to the tension spring groove 82 in the initial state. A cylinder (not shown) is connected to the front side of the battery width adjusting plate 6, which can make the battery width adjusting plate 6 move forward in the second direction D2. When at the front, the battery width adjustment plate 6 deviates from the projection of the third through hole 8a (the first through hole 1a, the second through hole 2a and the fourth through hole 5a) on the bottom plate 8. the

The positioning and fixing principle of the battery fixing fixture of the present invention will be described in detail below in conjunction with the accompanying drawings: before the battery is put in, through two cylinders, the battery thickness adjustment plate 3 is respectively made to move upward in the first direction D1 in the first chute 21. Move to the left and compress the compression spring, the battery width adjustment plate 6 moves forward in the second direction D2 in the second chute 81 and pulls the tension spring; when the battery thickness adjustment plate 3 slides to the leftmost end of the first chute 21 At this time, each clamping groove 41 on the battery thickness adjusting plate 3 communicates with the corresponding first through hole 1a, second through hole 2a, third through hole 8a and fourth through hole 5a respectively, and the intersecting area is the largest. , when the battery width adjustment plate 6 moves to the front, the battery width adjustment plate 6 is located outside the third through hole 8a on the bottom plate 8; after the battery is put in, the two cylinders return, in the thickness direction of the battery that is the first In the direction D1, the battery thickness adjustment plate 3 is pushed to the right by the compression spring, and the clamping groove 41 moves to the right accordingly to position and fix the battery in the thickness direction. In the width direction of the battery, that is, the second direction D2 The battery width adjusting plate 6 is pulled backward by the tension spring, and the battery width adjusting plate 6 moves backward accordingly to position and fix the battery in the width direction. the

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements or improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection. the

Claims (10)

1. a battery stationary fixture, during for welding, the location of battery is fixed, and it is characterized in that: described battery stationary fixture comprises the electric welding panel, the first connecting plate and the base plate that connect from top to bottom;

Described electric welding panel is provided with and vertically inserts for described battery and several first through holes spaced along its length, described first connecting plate offer corresponding respectively with described first through hole and coordinate several second through holes inserted with described battery, described base plate offer corresponding respectively with described first through hole and coordinate several third through-holes inserted with described battery;

The end face of described first connecting plate offers the first chute that the length direction along described electric welding panel extends, the bottom surface that described second through hole is all arranged on described first chute is communicated with described first chute, being provided with in described first chute can along the length direction of described electric welding panel relative to the cell thickness adjustable plate of described first connecting plate movement and be connected to described cell thickness adjustable plate one end and promote the first flexible member of described cell thickness adjustable plate movement after pressurized, described cell thickness adjustable plate offer corresponding respectively with described first through hole when described cell thickness adjustable plate moves towards described first flexible member and coordinate several clamping slots inserted with described battery,

Described base plate has by central the second chute extended towards the width of described electric welding panel of its end face, described second chute comprises two longitudinal side walls, third through-hole described in several on described base plate is all arranged on two described longitudinal side walls, described third through-hole is positioned at the bottom surface of described second chute at least partly, being provided with in described second chute can along the width of described electric welding panel relative to the cell widths adjustable plate of described base plate movement and be connected to described cell widths adjustable plate side and pull the second flexible member of described cell widths adjustable plate movement after pressurized, described cell widths adjustable plate has the width that can cover third through-hole described in several when it moves.

2. battery stationary fixture according to claim 1, it is characterized in that: described first chute extends to the end periphery of described first connecting plate away from described first flexible member, described first connecting plate is respectively equipped with away from the both sides, one end of described first flexible member the spacing preiection stretched out towards described first chute, leaves spacing between two described spacing preiections.

3. battery stationary fixture according to claim 2, it is characterized in that: described first connecting plate forms opening between two described spacing preiections, described cell thickness adjustable plate is embedded in the projection in described opening when comprising outside movement, described projection is formed by described cell thickness adjustable plate horizontally outward stretches out away from one end of described first flexible member.

4. battery stationary fixture according to claim 1, is characterized in that: described cell thickness adjustable plate one end is connected with multiple described first flexible member, and multiple described first flexible member is arranged along the width interval of described electric welding panel.

5. battery stationary fixture according to claim 1, is characterized in that: described cell widths adjustable plate side is connected with two described second flexible members, and two described second flexible members lay respectively at two ends of described this side of cell widths adjustable plate.

6. the battery stationary fixture according to any one of claim 1 to 5, it is characterized in that: described battery stationary fixture also comprises the second connecting plate be connected between described first connecting plate and described base plate, described second connecting plate offer corresponding respectively with described first through hole and coordinate several fourth holes inserted with described battery.

7. battery stationary fixture according to claim 6, is characterized in that: described electric welding panel, described first connecting plate, described base plate and/or described second connecting plate are bakelite plate.

8. the battery stationary fixture according to any one of claim 1 to 5, is characterized in that: described first flexible member is Compress Spring.

9. the battery stationary fixture according to any one of claim 1 to 5, is characterized in that: described second flexible member is extension spring, and described extension spring is fixed in described base plate by spring joint.

10. the battery stationary fixture according to any one of claim 1 to 5, is characterized in that: described battery is quadrate lithium battery.