阅读说明：本技术 一种精准定位的电池配套夹具 (Battery supporting clamp capable of achieving accurate positioning ) 是由 朱保义 沈岑宽 黄建新 刘峰 黄镔 于 2019-08-06 设计创作，主要内容包括：本发明公开了一种精准定位的电池配套夹具,包括承载装置和安装于承载装置上的夹紧装置,锂电池和电池保护板均夹持于夹具上；承载装置包括围成四方框体的支撑底板、承载底板和两块竖板；夹紧装置包括两个夹持机构和齿条机构,两个夹持机构相对安装于承载装置上,夹持机构包括滑动板和齿轮,齿条机构包括齿板,齿板的两侧均固定有齿条,两侧的齿条分别与齿轮啮合。本发明通过弹簧的设置,在弹簧的形变作用下使电池两端能够固定,挡板表面的限位筒和抵板表面的限位柱配合,使得抵板只能沿弹簧轴向移动,不会跑偏,能够增大两端的固定效果；通过拽拉拉杆,即可快速实现电池和电池保护板两侧的固定,该种方式简单、能够有效固定,实现精准定位。(the invention discloses a battery matching clamp capable of accurately positioning, which comprises a bearing device and a clamping device arranged on the bearing device, wherein a lithium battery and a battery protection plate are clamped on the clamp; the bearing device comprises a supporting bottom plate, a bearing bottom plate and two vertical plates which form a square frame body in a surrounding mode; the clamping device comprises two clamping mechanisms and a rack mechanism, the two clamping mechanisms are oppositely arranged on the bearing device, the clamping mechanisms comprise sliding plates and gears, the rack mechanism comprises toothed plates, racks are fixed on two sides of each toothed plate, and the racks on the two sides are respectively meshed with the gears. According to the invention, through the arrangement of the spring, the two ends of the battery can be fixed under the deformation action of the spring, and the limiting cylinder on the surface of the baffle plate is matched with the limiting column on the surface of the abutting plate, so that the abutting plate can only move along the axial direction of the spring, the deviation is avoided, and the fixing effect of the two ends can be increased; through dragging the pull rod, can realize the fixed of battery and battery protection shield both sides fast, this kind of mode is simple, can effectively fix, realizes accurate location.)

1. the battery matching clamp capable of achieving accurate positioning is characterized by comprising a bearing device (1) and a clamping device (2) arranged on the bearing device (1), wherein a lithium battery (3) and a battery protection plate (4) are clamped on the clamp;

the bearing device (1) comprises a supporting base plate (11), a bearing base plate (12) and two vertical plates (13) which enclose a square frame body, wherein the upper surface of the bearing base plate (12) is provided with two strip-shaped grooves (1201) arranged along the length direction of the bearing base plate, the surface of the bearing base plate (12) is provided with two first circular through holes (1202), and the surface of the bearing base plate (12) is provided with a protection plate installation groove (1203); a baffle (14) is fixed on the upper surface of the bearing bottom plate (12), and the surface of the baffle (14) is connected with a resisting plate (16) through a spring (15); an L-shaped plate (17) is fixed on the upper surface of the bearing bottom plate (12); a second circular through hole (1301) is formed in the surface of one vertical plate (13);

The clamping device (2) comprises two clamping mechanisms and a rack mechanism, the two clamping mechanisms are oppositely arranged on the bearing device (1), each clamping mechanism comprises a sliding plate (21) and a gear (22), and two limiting strips (2101) are fixed on the lower surface of the sliding plate (21); the surface of the sliding plate (21) is provided with a strip-shaped through hole (2102), the upper surface of the sliding plate (21) is fixedly provided with a first upright post (2103) and a clamping plate (2104), and the first upright post (2103) and the clamping plate (2104) are respectively positioned at two sides of the strip-shaped through hole (2102); a second upright column (2201) is fixed on the surface of the gear (22), the second upright column (2201) is installed on the bearing bottom plate (12) in a penetrating mode through a bearing, a first connecting rod (2202) is fixed to the other end of the second upright column (2201), a second connecting rod (2203) is movably installed at the end portion of the first connecting rod (2202), and the other end of the second connecting rod (2203) is movably installed on the first upright column (2103); the rack mechanism comprises a toothed plate (23), racks are fixed on two sides of the toothed plate (23), the racks on the two sides are meshed with two gears (22) respectively, a sliding plate (2301) is fixed on the lower surface of the toothed plate (23), the sliding plate (2301) is in sliding fit with a supporting base plate (11), a pull rod (2302) is fixed on the end side surface of the toothed plate (23), and the pull rod (2302) is in sliding fit with a second circular through hole (1301) on the surface of a vertical plate (13).

2. a precisely positioned battery mating jig according to claim 1, characterized in that two first circular through holes (1202) are located between two strip-shaped grooves (1201).

3. The battery matching fixture with the accurate positioning function as claimed in claim 1, wherein a limiting cylinder (1401) is fixed on the surface of the baffle plate (14), a limiting column is fixed on the surface of the abutting plate (16), the limiting column is matched with the limiting cylinder (1401), the spring (15) is sleeved on the periphery of the limiting cylinder (1401), one end of the spring is fixed on the surface of the baffle plate (14), and the other end of the spring is fixed on the surface of the abutting plate (16).

4. A precisely positioned battery mating jig according to claim 1, characterized in that the L-shaped plate (17) comprises two plates at 90 ° to each other, one of which has a tab through slot (1701) formed on its surface and the other has an upper surface flush with the tab through slot (1701) for overlapping the tab (31) of the lithium battery (3) and the pole piece (41) of the battery protection plate (4).

5. A precisely positioned battery mating jig according to claim 1, characterized in that the stop strips (2101) are a sliding fit in the strip grooves (1201) on the surface of the load floor (12).

6. The battery mating fixture with precise positioning according to claim 1, is characterized in that the working mode is as follows: when the toothed plate (23) is moved by pulling or pushing the pull rod (2301), under the meshing transmission action of the rack and the gears, the two gears (22) perform the same-speed and reverse-direction rotary motion, so as to drive the first connecting rods (2202) at two sides to perform the same-speed and reverse-direction rotary motion, and under the transmission action of the second connecting rods (2203), the two sliding plates (21) perform the movement of approaching to or separating from each other, so that the clamping or loosening of the two clamping plates (2104) is realized; when the lithium battery is used, one end of the lithium battery (3) abuts against the surface of the abutting plate (16), under the deformation action of the spring (15), the other end tab (31) of the lithium battery (3) is inserted into the tab through groove (1701), the force of abutting against the lithium battery (3) is released, and under the action of the spring (15), two ends of the lithium battery (3) abut against the surfaces of the abutting plate (16) and the L-shaped plate (17) respectively; inserting a battery protection plate (4) into the bearing abutting plate (12) through the protection plate mounting groove (1203), wherein a pole piece (41) on the surface of the battery protection plate is just lapped with a pole lug (31); the two sliding plates (21) are close to each other by pulling the pull rod (2301) until the clamping plate (2104) clamps the lithium battery (3) and the battery protection plate (4), and the pole piece (41) and the pole lug (31) are welded.

Technical Field

The invention belongs to the technical field of battery manufacturing, and particularly relates to a battery matching clamp capable of achieving accurate positioning.

Background

The application of laser welding on the welding of the lithium battery protection plate is more and more extensive, whether the positioning between the lithium battery and the protection plate is accurate is one of factors influencing the welding effect, the welding effect is poor when the positioning between the lithium battery and the protection plate is inaccurate, and the welding effect is mainly reflected in abnormal welding strength, poor consistency and roughness of the appearance of a welding line, low efficiency and the like. Therefore, it is urgently needed to develop a tooling fixture which can assist in positioning when welding a protection plate so as to improve the welding quality and improve the working efficiency.

Chinese utility model patent with patent number CN201620296760.6 discloses a lithium battery pole piece and protection shield welding position anchor clamps, include: the clamp comprises a clamp body, wherein a battery placing groove is formed in the clamp body; the battery placing groove comprises a first battery limiting block and a second battery limiting block which are respectively arranged on the vertical side walls in the battery placing groove, and elastic pieces are arranged between the first battery limiting block and the side walls of the battery placing groove and between the second battery limiting block and the side walls of the battery placing groove; a pair of cushion blocks arranged at intervals on the clamp body; the first protection plate positioning block and the second protection plate positioning block are arranged on the clamp body, and gaps for accommodating the protection plates are formed between the first protection plate positioning block and the cushion blocks and between the second protection plate positioning block and the cushion blocks. The clamp can accurately position the lithium battery and the protection plate and is convenient to weld. However, the clamping method adopted by the clamp is not simple enough, and the operation is not labor-saving enough.

disclosure of Invention

the invention aims to provide a battery matching clamp capable of accurately positioning, wherein two ends of a battery can be fixed under the deformation action of a spring through the arrangement of the spring, and a limiting cylinder on the surface of a baffle plate is matched with a limiting column on the surface of a resisting plate, so that the resisting plate can only move along the axial direction of the spring and cannot deviate, and the fixing effect of the two ends can be improved; the battery and the two sides of the battery protection plate can be quickly fixed by pulling the pull rod, and the mode is simple and can realize effective fixation; through fixing battery and battery protection shield along four directions, fixed effectual, fixed mode is simple, realizes accurate location, can improve the welding effect between battery and the battery protection shield.

The purpose of the invention can be realized by the following technical scheme:

A precisely positioned battery matching clamp comprises a bearing device and a clamping device arranged on the bearing device, wherein a lithium battery and a battery protection plate are clamped on the clamp;

the bearing device comprises a supporting bottom plate, a bearing bottom plate and two vertical plates, wherein the supporting bottom plate, the bearing bottom plate and the two vertical plates form a square frame body in a surrounding mode, two strip-shaped grooves are formed in the upper surface of the bearing bottom plate along the length direction of the bearing bottom plate, two first circular through holes are formed in the surface of the bearing bottom plate, and a protection plate mounting groove is formed in the surface of the bearing bottom plate; a baffle is fixed on the upper surface of the bearing bottom plate, and the surface of the baffle is connected with a resisting plate through a spring; an L-shaped plate is fixed on the upper surface of the bearing bottom plate; a second circular through hole is formed in the surface of one vertical plate;

The clamping device comprises two clamping mechanisms and a rack mechanism, the two clamping mechanisms are oppositely arranged on the bearing device, each clamping mechanism comprises a sliding plate and a gear, and two limiting strips are fixed on the lower surface of the sliding plate; the surface of the sliding plate is provided with a strip-shaped through hole, the upper surface of the sliding plate is fixedly provided with a first upright post and a clamping plate, and the first upright post and the clamping plate are respectively positioned at two sides of the strip-shaped through hole; a second upright post is fixed on the surface of the gear, the second upright post is installed on the bearing bottom plate in a penetrating mode through a bearing, a first connecting rod is fixed at the other end of the second upright post, a second connecting rod is movably installed at the end portion of the first connecting rod, and the other end of the second connecting rod is movably installed on the first upright post; the rack mechanism comprises a toothed plate, racks are fixed on two sides of the toothed plate respectively, the racks on the two sides are meshed with the two gears respectively, a sliding plate is fixed on the lower surface of the toothed plate and is in sliding fit with the supporting bottom plate, a pull rod is fixed on the end side surface of the toothed plate, and the pull rod is in sliding fit with a second circular through hole in the surface of the vertical plate.

further, the two first circular through holes are located between the two strip-shaped grooves.

Furthermore, a limiting cylinder is fixed on the surface of the baffle, a limiting column is fixed on the surface of the abutting plate, the limiting column is matched with the limiting cylinder, the spring is sleeved on the periphery of the limiting cylinder, one end of the spring is fixed on the surface of the baffle, and the other end of the spring is fixed on the surface of the abutting plate.

Furthermore, the L-shaped plate comprises two plates which form an angle of 90 degrees with each other, wherein the surface of one plate is provided with a tab through groove, and the upper surface of the other plate is flush with the tab through groove and is used for overlapping a tab of the lithium battery and a pole piece of the battery protection plate.

furthermore, the limiting strips are in sliding fit with the strip-shaped grooves in the surface of the bearing bottom plate.

Further, the working mode is as follows: when the toothed plate moves by pulling or pushing the pull rod, the two gears rotate at the same speed and in opposite directions under the meshing transmission action of the rack and the gears, so that the first connecting rods at two sides are driven to rotate at the same speed and in opposite directions, and the two sliding plates move close to or away from each other under the transmission action of the second connecting rod, so that the two clamping plates are clamped or loosened; when the lithium battery is used, one end of the lithium battery is abutted against the surface of the abutting plate, the tab at the other end of the lithium battery is inserted into the tab through groove under the deformation action of the spring, the force of abutting against the lithium battery is released, and the two ends of the lithium battery are abutted against the surfaces of the abutting plate and the L-shaped plate respectively under the action of the spring; inserting a battery protection plate into the bearing abutting plate through the protection plate mounting groove, wherein a pole piece on the surface of the battery protection plate is just in lap joint with the pole lug; and the two sliding plates are close to each other by pulling the pull rod until the clamping plates clamp the lithium battery and the battery protection plate, and the pole piece and the pole lug are welded.

The invention has the beneficial effects that:

When the lithium battery is used, one end of the lithium battery is abutted against the surface of the abutting plate, the lug at the other end of the lithium battery is inserted into the lug through groove under the deformation action of the spring, the force of abutting against the lithium battery is released, and the two ends of the lithium battery are abutted against the surfaces of the abutting plate and the L-shaped plate respectively under the action of the spring; inserting a battery protection plate into the bearing abutting plate through the protection plate mounting groove, wherein a pole piece on the surface of the battery protection plate is just in lap joint with the pole lug; the two sliding plates are close to each other by pulling the pull rod until the clamping plates clamp the lithium battery and the battery protection plate, and the pole piece and the pole lug are welded;

According to the invention, through the arrangement of the spring, the two ends of the battery can be fixed under the deformation action of the spring, wherein the limiting cylinder on the surface of the baffle plate is matched with the limiting column on the surface of the abutting plate, so that the abutting plate can only move along the axial direction of the spring, the deviation is avoided, and the fixing effect of the two ends can be increased; the battery and the two sides of the battery protection plate can be quickly fixed by pulling the pull rod, and the mode is simple and can realize effective fixation; according to the invention, the battery and the battery protection board are fixed along four directions, so that the fixing effect is good, the fixing mode is simple, the accurate positioning is realized, and the welding effect between the battery and the battery protection board can be improved.

Drawings

The invention is described in further detail below with reference to the figures and specific embodiments.

Fig. 1 is a schematic structural diagram of a battery mating fixture with precise positioning according to the present invention.

fig. 2 is a schematic structural diagram of a carrying device of a precisely positioned battery mating fixture according to the present invention.

Fig. 3 is a schematic structural diagram of a clamping device of a precisely positioned battery mating fixture according to the present invention.

Fig. 4 is a partial structural schematic view of fig. 3.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a precisely positioned battery matching fixture, as shown in fig. 1, includes a carrying device 1 and a clamping device 2 installed on the carrying device 1, and a lithium battery 3 and a battery protection plate 4 are both clamped on the fixture;

As shown in fig. 2, the carrying device 1 includes a supporting base plate 11, a carrying base plate 12 and two vertical plates 13 enclosing a square frame, the upper surface of the carrying base plate 12 is provided with two strip-shaped grooves 1201 arranged along the length direction thereof, the surface of the carrying base plate 12 is provided with two first circular through holes 1202, the two first circular through holes 1202 are located between the two strip-shaped grooves 1201, and the surface of the carrying base plate 12 is further provided with a protection plate mounting groove 1203; a baffle plate 14 is fixed on the upper surface of the bearing bottom plate 12, a resisting plate 16 is connected on the surface of the baffle plate 14 through a spring 15, specifically, a limiting cylinder 1401 is fixed on the surface of the baffle plate 14, a limiting column is fixed on the surface of the resisting plate 16, the limiting column is matched with the limiting cylinder 1401, the spring 15 is sleeved on the periphery of the limiting cylinder 1401, one end of the spring is fixed on the surface of the baffle plate 14, and the other end of the spring is fixed on the surface of the resisting plate 16; an L-shaped plate 17 is fixed on the upper surface of the bearing bottom plate 12, the L-shaped plate 17 comprises two plates which form an angle of 90 degrees with each other, a tab through groove 1701 is formed on the surface of one plate, and the upper surface of the other plate is flush with the tab through groove 1701 and is used for overlapping a tab 31 of the lithium battery 3 and a pole piece 41 of the battery protection plate 4; a second circular through hole 1301 is formed in the surface of one vertical plate 13;

As shown in fig. 3 and 4, the clamping device 2 includes two clamping mechanisms and a rack mechanism, the two clamping mechanisms are oppositely mounted on the carrying device 1, specifically, the clamping mechanism includes a sliding plate 21 and a gear 22, two limiting strips 2101 are fixed on the lower surface of the sliding plate 21, and the limiting strips 2101 are in sliding fit with a strip-shaped groove 1201 on the surface of the carrying bottom plate 12; a strip-shaped through hole 2102 is formed in the surface of the sliding plate 21, a first upright post 2103 and a clamping plate 2104 are fixed on the upper surface of the sliding plate 21, and the first upright post 2103 and the clamping plate 2104 are respectively positioned at two sides of the strip-shaped through hole 2102; a second upright column 2201 is fixed on the surface of the gear 22, the second upright column 2201 is installed on the bearing bottom plate 12 in a penetrating manner through a bearing, a first connecting rod 2202 is fixed at the other end of the second upright column 2201, a second connecting rod 2203 is movably installed at the end part of the first connecting rod 2202, and the other end of the second connecting rod 2203 is movably installed on the first upright column 2103; the rack mechanism comprises a toothed plate 23, racks are fixed on two sides of the toothed plate 23, the racks on the two sides are respectively meshed with the two gears 22, a sliding plate 2301 is fixed on the lower surface of the toothed plate 23, and the sliding plate 2301 is in sliding fit with the support bottom plate 11; a pull rod 2302 is fixed on the end side surface of the toothed plate 23, and the pull rod 2302 is in sliding fit with the second circular through hole 1301 on the surface of the vertical plate 13;

the working principle and the mode of the invention are as follows:

When the pull rod 2301 is pulled or pushed to move the toothed plate 23, under the meshing transmission action of the rack and the gears, the two gears 22 perform the same-speed and reverse-direction rotary motion, so as to drive the first connecting rods 2202 at the two sides to perform the same-speed and reverse-direction rotary motion, and under the transmission action of the second connecting rods 2203, the two sliding plates 21 perform the movement of approaching to or departing from each other, so that the clamping or loosening of the two clamping plates 2104 is realized;

When the lithium battery is used, one end of the lithium battery 3 abuts against the surface of the abutting plate 16, the tab 31 at the other end of the lithium battery 3 is inserted into the tab through groove 1701 under the deformation action of the spring 15, the force of abutting against the lithium battery 3 is released, and the two ends of the lithium battery 3 abut against the surfaces of the abutting plate 16 and the L-shaped plate 17 respectively under the action of the spring 15; inserting the battery protection plate 4 into the bearing abutting plate 12 through the protection plate mounting groove 1203, wherein the pole piece 41 on the surface of the battery protection plate is just overlapped with the tab 31; the two sliding plates 21 are close to each other by pulling the pull rod 2301 until the clamping plate 2104 clamps the lithium battery 3 and the battery protection plate 4, and the pole piece 41 and the pole lug 31 are welded;

According to the invention, through the arrangement of the spring 15, the two ends of the battery can be fixed under the deformation action of the spring 15, wherein the limiting cylinder on the surface of the baffle 14 is matched with the limiting column on the surface of the abutting plate 16, so that the abutting plate 16 can only move along the axial direction of the spring 15, the deviation is avoided, and the fixing effect of the two ends can be increased; the fixing of the battery and the two sides of the battery protection plate can be quickly realized by pulling the pull rod 2301, and the mode is simple and can realize effective fixing; according to the invention, the battery and the battery protection board are fixed along four directions, so that the fixing effect is good, the fixing mode is simple, the accurate positioning is realized, and the welding effect between the battery and the battery protection board can be improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the accompanying claims.