CN214584555U

CN214584555U - Storage battery plate lug welding strength detection tool

Info

Publication number: CN214584555U
Application number: CN202120746357.XU
Authority: CN
Inventors: 刘小锋; 张广军; 张仁银; 高国兴; 邓国强
Original assignee: Camel Group Xiangyang Storage Battery Co Ltd
Current assignee: Camel Group Xiangyang Storage Battery Co Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-02
Anticipated expiration: 2031-04-13

Abstract

A storage battery plate lug welding strength detection tool is characterized in that a tension measuring assembly is vertically arranged on a support frame, a busbar clamping assembly is connected with the lower end part of the tension measuring assembly, and a plate group clamping assembly is arranged on a bottom plate below the busbar clamping assembly; the bus bar clamping assembly comprises a connecting block and a clamping handle, wherein a left-right through groove is formed in the middle of the connecting block, the clamping handle comprises a stud bolt, threads on two ends of the stud bolt are arranged in opposite directions, the stud bolt is arranged in the groove of the connecting block, the middle of the stud bolt is supported in the groove through a bearing and a bearing seat, and two clamping jaws which can move relatively along with the rotation of the stud bolt are symmetrically sleeved at two ends of the stud bolt; the tension measuring assembly comprises a hydraulic cylinder vertically fixed on the lower end surface of the support frame, the top end of a telescopic rod of the hydraulic cylinder is connected with the upper end of the tension sensor through a pull rod, and the lower end of the tension sensor is connected with the connecting block; the tool is simple and convenient to operate, and the accuracy and effectiveness of the evaluation of the welding strength of the plate lugs of the storage battery are enhanced.

Description

Storage battery plate lug welding strength detection tool

Technical Field

The utility model relates to a battery manufacturing technical field specifically is a battery board ear welding strength detects frock.

Background

The pole group cast welding is an important step in the assembly process of the lead-acid storage battery, and the quality and the performance of the battery are directly influenced by the pole group cast welding effect. Typical pole group cast weld defects include: air holes are cast and welded, cold cast and false cast and weld, side plate lugs are exposed or even fall pieces, plate lugs are over-melted, and the like. The above-mentioned defects of the cast welding of the plate group can reduce the welding strength of the plate lug, thereby causing unqualified products or premature failure of the battery in the use process.

At present, the welding strength of the plate lugs of the storage battery is lack of an accurate and quantifiable evaluation method, and under the common condition, the welding effect of the bus bar and the plate lugs is evaluated through visual observation, such as the fusion condition of the welding positions of the plate lugs and the bus bar is observed (commonly known as climbing effect in the industry, if meniscus is formed at the welding positions of the plate lugs and the bus bar, the welding fusion is full and sufficient, otherwise, the welding effect is poor); and if the bus bar is broken off by using a clamp, the fusion condition of the plate lug in the bus bar is observed (the size and the number of air holes at the contact part of the bus bar alloy and the plate lug are emphasized, and the fusion condition of the top of the plate lug is observed, if the top of the plate lug is clear in outline, the plate lug and the bus bar alloy are not well fused, if most of the plate lug inserted into the bus bar is fused with the bus bar, and no obvious boundary is seen, the plate lug is over-fused), and the like. These evaluation methods are difficult to quantify, and the evaluation effect may vary from person to person, making it difficult to evaluate accurately and efficiently.

Disclosure of Invention

An object of the utility model is to provide a battery board ear welding strength detects frock to the problem that is difficult to accurate evaluation battery board ear welding effect effectively is put forward in solving above-mentioned background art, and easy operation is convenient, improves production quality.

In order to achieve the above object, the utility model provides a following technical scheme: a storage battery plate lug welding strength detection tool comprises a pole group clamping assembly, a busbar clamping assembly and a tension measuring assembly; the tension measuring assembly is vertically arranged on the support frame, the busbar clamping assembly is connected with the lower end part of the tension measuring assembly, the pole group clamping assembly is arranged on a bottom plate below the busbar clamping assembly and comprises a sliding positioning table capable of sliding along a sliding rail, a fixed clamping plate and a movable clamping plate capable of translating to one side of the fixed clamping plate along with the air cylinder are arranged on the sliding positioning table, the fixed clamping plate and the movable clamping plate are arranged in parallel, and the movable clamping plate is connected with the top end of a piston rod of the air cylinder; the bus bar clamping assembly comprises a connecting block and a clamping handle, wherein a left-right through groove is formed in the middle of the connecting block, the clamping handle comprises a stud bolt, threads on two ends of the stud bolt are arranged in opposite directions, the stud bolt is arranged in the groove of the connecting block, the middle of the stud bolt is supported in the groove through a bearing and a bearing seat, and two clamping jaws which can move relatively along with the rotation of the stud bolt are symmetrically sleeved at two ends of the stud bolt; the tension measuring assembly comprises a hydraulic cylinder vertically fixed on the lower end face of the support frame, the top end of a telescopic rod of the hydraulic cylinder is connected with the upper end of the tension sensor through a pull rod, and the lower end of the tension sensor is connected with the connecting block.

The upper surface of the sliding positioning table is provided with grooves corresponding to the side edges of the fixed clamping plate and the movable clamping plate, the positions of the grooves do not interfere with the placement positions of the pole groups, and limiting blocks are inserted in the grooves.

The slide rail is two, and sets up side by side on the bottom plate.

And limiting round bars for preventing the sliding positioning table from being separated from the sliding rails are erected on the bottom plates at the two end parts of the two sliding rails.

The top end face of the sliding positioning table is provided with a positioning hole at a position corresponding to the bottom plate, a positioning column is inserted in the positioning hole, and a handle is fixed on the side wall of the sliding positioning table.

One end of the stud bolt is fixed with a rotating handle.

The support frame includes the diaphragm of placing with the bottom plate parallel, even has a stand respectively on the both ends of diaphragm one side, and the stand bottom is fixed on the bottom plate, and the pneumatic cylinder is fixed on the terminal surface under the diaphragm.

The hydraulic cylinder lifting device is characterized by further comprising a controller which can collect measurement values of the tension sensor and is used for controlling the hydraulic cylinder to lift, the controller is arranged in the electric cabinet, a display is arranged on the electric cabinet, the display and the controller are connected through a tension sensor signal wire and can display tension measured by the tension sensor, and a start button, a stop button and a reset button on the electric cabinet are connected to the input end of the controller.

The utility model provides a battery board ear welding strength detects frock, easy operation is convenient, has realized the accurate effective evaluation to battery board ear welding strength, can avoid the difference of the different formation of appraiser that the macroscopic view leads to, can in time discover cast joint badly, reduces because of the quality loss that the defective work flow leads to. The utility model discloses the cracked limit pulling force value of board ear and fracture position can be accurately quantificationally measured to can judge the worst board ear of welding strength among the utmost point crowd directly perceivedly (the weakest link of welding strength promptly), the utility model discloses the frock can directly be used for production line process selective examination, helps the production process inspection in time to discover the cast joint defective products, controls the intervention, reduces the quality loss.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the bus bar clamping assembly of the present invention;

in the figure: 1-a bottom plate; 2-a slide rail; 3-a sliding positioning table; 4-fixing the splint; 5-air cylinder; 6-moving the clamping plate; 7-a limiting block; 8-a positioning column; 9-a handle; 10-a clamping jaw; 11-connecting blocks; 12-a clamping handle; 13-a support frame; 14-a hydraulic cylinder; 15-a pull rod; 16-a tension sensor; 17-a tension sensor signal line; 18-a display screen; 19-an electric cabinet; 20-start button; 21-stop button; 22-reset button.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In fig. 1, fig. 2, fig. 3, the utility model relates to a battery board ear welding strength detects frock, including utmost point crowd clamping component, busbar clamping component, tension measuring subassembly. The tension measuring assembly is vertically arranged on the support frame 13, the busbar clamping assembly is connected with the lower end part of the tension measuring assembly, and the pole group clamping assembly is arranged on the bottom plate 1 below the busbar clamping assembly.

The pole group clamping assembly of the utility model consists of a bottom plate 1, a slide rail 2, a sliding positioning table 3, a fixed splint 4, a cylinder 5, a movable splint 6 connected with the cylinder and a limiting block 7; the fixed clamping plate 4 and the movable clamping plate 6 which can move to one side of the fixed clamping plate 4 along with the cylinder 5 are arranged on the sliding positioning table 3 in parallel, and the movable clamping plate 6 is connected with the top end of a piston rod of the cylinder 5; there is positioning groove between the solid fixed splint 4 and the movable splint 6 of the location platform 3 that slide, and 7 bottom cartridge of stopper are in the positioning groove on the location platform 3 that slides, and 7 both ends of stopper are spacing through the recess of solid fixed splint 4 with the movable splint 6 corresponding position, and the length of stopper 7 can be selected and changed according to the demand. A positioning column 8 is arranged above the sliding positioning table 3, a handle 9 is arranged on the side of the sliding positioning table, a positioning hole is set at the corresponding position of the bottom plate 1, and the positioning column 8 is matched with the positioning hole to be clamped when the sliding positioning table 3 slides to a position to be measured; the slide rails 2 are two and are arranged on the bottom plate 1 side by side, the bottom plates 1 at the two ends of the two slide rails 2 are provided with limiting round bars, and the limiting round bars prevent the sliding positioning table 3 from being separated from the two ends of the slide rails 2.

The busbar clamping assembly comprises a clamping jaw 10, a connecting block 11 and a clamping handle 12, a left cutting groove and a right cutting groove which are communicated are formed in the middle of the connecting block 11, the clamping handle 12 comprises a stud bolt, and a rotating handle is fixed at one end of the stud bolt. The external threads on the two ends of the stud are arranged in opposite directions, one end of the stud is a left-handed thread, the other end of the stud is a right-handed thread, the stud is arranged in a cutting groove of a connecting block 11, a bearing and a bearing seat are sleeved in the middle of the stud, the outer ring of the bearing seat is fixed in the cutting groove, the inner ring of the bearing seat is rotationally connected with the bearing, two clamping jaws 10 which can move relatively along with the rotation of the stud are symmetrically sleeved at the two ends of the stud, and the two clamping jaws 10 are provided with internal thread holes which are correspondingly matched with the left-handed thread and the right-handed thread on the two ends of the stud respectively; when the storage battery plate lug welding strength detection tool is used, the sliding positioning table 3 is moved to a bus bar to be detected, the clamping handle 12 is rotated through the rotating handle, and the bus bar is clamped/loosened from two sides by the clamping jaw 10.

The tension measuring assembly consists of a support frame 13, a hydraulic cylinder 14, a pull rod 15 and a tension sensor 16. The support frame 13 include the diaphragm of placing with bottom plate 1 parallel, even have a stand respectively on the both ends of diaphragm one side, the stand bottom is fixed on bottom plate 1, pneumatic cylinder 14 is fixed on the diaphragm lower end face of support frame 13, pull rod 15 upper end and pneumatic cylinder 14 welding or link to each other through the swivel nut screw thread, pull rod 15 lower extreme and force sensor 16 (S type force sensor) upper end pass through the screw rod and are connected, force sensor 16 lower extreme and connecting block 11 upper end pass through the screw rod and are connected.

The hydraulic cylinder lifting device is characterized by further comprising a controller (plc controller) which can acquire the measured value of the tension sensor 16 and is used for controlling the hydraulic cylinder 14 to lift, the controller is arranged in an electric cabinet 19, a display 18 is arranged on the electric cabinet 19, the display 18 and the controller are connected through a tension sensor signal wire 17 and can display the tension measured by the tension sensor 16, and a starting button 20, a stopping button 21 and a resetting button 22 on the electric cabinet 19 are connected to the input end of the controller. The measured tension data is displayed in real time on the display 18. The electric cabinet 19 is fixed at the top of the support frame 13, the start/stop button and the reset button are installed on the electric cabinet 19, the start button 20 is pressed, the hydraulic cylinder 14 drives the tension measuring assembly and the bus bar clamping assembly to vertically move upwards, the reset button 22 is pressed, and the hydraulic cylinder 14 drives the tension measuring assembly and the bus bar clamping assembly to vertically move downwards until the stroke end point is reached.

When the device is used, firstly, a welded pole group is clamped on a sliding positioning table 3 through a fixed clamping plate 4 and a movable clamping plate 6 of a clamping assembly, then the sliding positioning table 3 is pushed to be positioned under a busbar clamping assembly and is positioned through a positioning column 8, then a clamping handle 12 is rotated forward, two clamping jaws 10 move inwards simultaneously to clamp a busbar, a starting button 20 is pressed, a hydraulic cylinder 14 rises to drive a tension measuring assembly and the busbar clamping assembly to move vertically upwards to perform tension test, after the test is completed, a reset button 22 is pressed, the hydraulic cylinder 14 drives the tension measuring assembly and the busbar clamping assembly to move vertically downwards until the stroke end point is reached, the clamping handle 12 is rotated reversely, the two clamping jaws 10 loosen the clamping of the busbar, then the positioning column 8 is taken down and slides out of the sliding positioning table 3, and the whole test is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a battery plate ear welding strength detects frock which characterized in that: the device comprises a pole group clamping assembly, a busbar clamping assembly and a tension measuring assembly; the tension measuring assembly is vertically arranged on a support frame (13), the busbar clamping assembly is connected with the lower end part of the tension measuring assembly, the electrode group clamping assembly is arranged on a bottom plate (1) below the busbar clamping assembly and comprises a sliding positioning table (3) capable of sliding along a sliding rail (2), a fixed clamping plate (4) and a movable clamping plate (6) capable of moving to one side of the fixed clamping plate (4) along with the air cylinder (5) are arranged on the sliding positioning table (3), the fixed clamping plate (4) is parallel to the movable clamping plate (6), and the movable clamping plate (6) is connected with the top end of a piston rod of the air cylinder (5); the bus bar clamping assembly comprises a connecting block (11) and a clamping handle (12), a cutting groove which is communicated from left to right is formed in the middle of the connecting block (11), the clamping handle (12) comprises a stud bolt, threads on two ends of the stud bolt are arranged in opposite directions, the stud bolt is arranged in the cutting groove of the connecting block (11), the middle of the stud bolt is supported in the cutting groove through a bearing and a bearing seat, and two clamping jaws (10) which can move relatively along with the rotation of the stud bolt are symmetrically sleeved at two ends of the stud bolt; the tension measuring assembly comprises a hydraulic cylinder (14) vertically fixed on the lower end face of the support frame (13), the top end of a telescopic rod of the hydraulic cylinder (14) is connected with the upper end of a tension sensor (16) through a pull rod (15), and the lower end of the tension sensor (16) is connected with the connecting block (11).

2. The storage battery plate lug welding strength detection tool according to claim 1, characterized in that: the upper surface of the sliding positioning table (3) is provided with grooves corresponding to the side edges of the fixed clamping plate (4) and the movable clamping plate (6), the positions of the grooves do not interfere with the placement positions of the pole groups, and a limiting block (7) is inserted into the grooves.

3. The storage battery plate lug welding strength detection tool according to claim 1, characterized in that: the two slide rails (2) are arranged on the bottom plate (1) side by side.

4. The storage battery plate lug welding strength detection tool according to claim 1 or 3, characterized in that: and limiting round bars for preventing the sliding positioning table (3) from being separated from the sliding rails are erected on the bottom plates (1) at the two end parts of the two sliding rails (2).

5. The storage battery plate lug welding strength detection tool according to claim 1, characterized in that: the top end face of the sliding positioning table (3) is provided with a positioning hole corresponding to the bottom plate (1), a positioning column (8) is inserted into the positioning hole, and a handle (9) is fixed on the side wall of the sliding positioning table (3).

6. The storage battery plate lug welding strength detection tool according to claim 1, characterized in that: one end of the stud bolt is fixed with a rotating handle.

7. The storage battery plate lug welding strength detection tool according to claim 1, characterized in that: the supporting frame (13) comprises a transverse plate which is arranged in parallel with the bottom plate (1), two end parts of one side of the transverse plate are respectively connected with an upright post, the bottom of each upright post is fixed on the bottom plate (1), and the hydraulic cylinder (14) is fixed on the lower end surface of the transverse plate.

8. The storage battery plate lug welding strength detection tool according to claim 1, characterized in that: the hydraulic control system is characterized by further comprising a controller capable of acquiring the measurement value of the tension sensor (16) and used for controlling the hydraulic cylinder (14) to ascend and descend, the controller is arranged in an electric cabinet (19), a display (18) is arranged on the electric cabinet (19), the display (18) and the controller are connected through a tension sensor signal line (17) and can display the tension measured by the tension sensor (16), and a starting button (20), a stopping button (21) and a resetting button (22) on the electric cabinet (19) are connected to the input end of the controller.