CN210209174U

CN210209174U - Welding tool and welding machine

Info

Publication number: CN210209174U
Application number: CN201920215344.2U
Authority: CN
Inventors: Zhijun Xie; 解志俊; Haibo Wu; 伍海波
Original assignee: Wuxi Otwei Intelligent Equipment Co Ltd
Current assignee: Wuxi Otwei Intelligent Equipment Co Ltd; Wuxi Autowell Technology Co Ltd
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2020-03-31
Anticipated expiration: 2029-02-20

Abstract

The utility model discloses a welding frock and welding machine, the welding frock is used for coordinating the fixed object of being welded of welding plummer centre gripping, the welding frock is including barrier plate, pressure strip and elasticity pressure head, the barrier plate is connected the welding frame, the pressure strip is installed on the barrier plate, the elasticity pressure head is installed on the pressure strip, be used for the cooperation the welding plummer centre gripping is fixed the object of being welded. The welding machine comprises the welding tool, the welding machine further comprises a welding bearing table and a laser machine, the welding bearing table is matched with the welding tool to fix a welded object, and the laser machine is used for welding the fixed welded object. The utility model discloses in, welding plummer and welding frock set up relatively, are welded the object through elasticity pressure head and welding plummer cooperation centre gripping, carry out welding operation after fixed, realize welding automation completely, and the location is accurate moreover, and is efficient, product quality is stable.

Description

Welding tool and welding machine

Technical Field

The utility model belongs to battery preparation field especially relates to a welding frock and welding machine.

Background

In the production process of the lithium battery, a crucial link is to put the battery core into the battery box and then weld the battery core and the battery box together. The traditional operation mode adopts manual positioning and welding, and has low efficiency and unstable quality.

Therefore, an automatic, efficient and stable-quality welding tool and welding machine are urgently needed in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes above-mentioned prior art's at least defect, provides an automatic high-efficient and stable in quality's welding frock and welding machine.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

an aspect of the utility model provides a welding frock, welding frock is used for coordinating the fixed quilt welding object of a welding plummer centre gripping, welding frock is including barrier plate, pressure strip and elasticity pressure head, a welding frame is connected to the barrier plate, the pressure strip is installed on the barrier plate, the elasticity pressure head is installed on the pressure strip, be used for the cooperation welding plummer centre gripping is fixed quilt welding object.

If the utility model discloses an embodiment, the elasticity pressure head includes compression leg and spring, the compression leg passes through the spring can stretch out and draw back ground elasticity cup joint in the perforation on the pressure strip, just the compression leg is a plurality of, and the array sets up on the pressure strip.

In one embodiment of the present invention, each of the through holes is communicated with an air vent.

In one embodiment of the present invention, the vent hole is used for introducing inert gas.

If the utility model discloses an embodiment, welding frock is installed on the weld holder.

If the utility model discloses an embodiment, including elevating system on the welding frame, elevating system is used for going up and down the welding frock.

If the utility model discloses an embodiment, including sideslip mechanism on the welding jig, sideslip mechanism is used for removing in the horizontal direction welding frock.

According to an embodiment of the present invention, the welded object is an assembled battery cell and a battery box, and the battery cell and the battery box are clamped and fixed between the welding plummer and the welding fixture.

In order to realize the purpose of the utility model, the utility model discloses still adopt following technical scheme:

if the utility model discloses a another aspect provides a welding machine, include as above arbitrary the welding frock, the welding machine still includes welding plummer and laser machine, the welding plummer with the fixed object of being welded of welding frock cooperation, the laser machine welds to fixed object of being welded.

If the utility model discloses an embodiment, the welding plummer leans on the structure including limiting plate, layer board and elasticity top, the layer board is installed on the welding plummer, the limiting plate is installed on the layer board, the elasticity top is leaned on the structrual installation and is in on the limiting plate, be used for the cooperation the elasticity pressure head top is leaned on fixedly by the welding object.

According to the above technical scheme, the utility model discloses a welding frock's advantage lies in with positive effect:

the utility model discloses in, welding plummer and welding frock set up relatively, are welded the object through elasticity pressure head and welding plummer cooperation centre gripping, carry out welding operation after fixed, realize welding automation completely, and the location is accurate moreover, and is efficient, product quality is stable.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic top view of an embodiment of a welding machine according to the present invention.

Fig. 2 is a side view schematic diagram of an embodiment of the welding machine of the present invention.

Fig. 3 is a schematic perspective view of an embodiment of the welding machine of the present invention.

Fig. 4 is a schematic view of a mounting structure of the bearing frame in an embodiment of the welding machine of the present invention.

Fig. 5 is a schematic cross-sectional view of a bearing frame in an embodiment of the welding machine of the present invention.

Fig. 6 is a schematic diagram of a welding position of a battery cell in an embodiment of the welding machine of the present invention.

Fig. 7 is a schematic perspective view of an embodiment of the welding tool of the present invention.

Fig. 8 is a schematic cross-sectional view of an embodiment of the welding tool of the present invention.

Fig. 9 is a schematic cross-sectional view of a second embodiment of the welding tool of the present invention.

Wherein the reference numerals are as follows:

10. a first welding module; 20. a second welding module; 3. a carrier; 31. a driver; 32. a slide rail; 4. welding a bearing table; 40. a slider; 41. a support plate; 42. a limiting plate; 420. a through hole; 43. a limiting block; 44. a support pillar; 45. a spring; 5. welding a frame; 6. welding a tool; 61. a compression plate; 62. A blocking plate; 63. pressing the column; 64. a spring; 65. perforating; 66. a vent hole; 7. a laser machine; 8. a movable frame; 90. welding position; 91. an electric core; 92. a battery case.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

In the following description of various examples of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various example structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "top," "bottom," "front," "back," "side," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., as to the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.

The utility model discloses a welding frock can use in multiple welding environment, uses the cooperation welding plummer to use the welding of welding machine to electric core and battery case to do the expansion explanation as the example below, nevertheless the utility model discloses a protection scope does not use this as the limit. Including the welding of electric core and battery case in battery production field, need automatic effectual location, and the efficient welding operation of high quality, the following is the utility model discloses a this embodiment's concrete structure and operation.

FIG. 1 is a schematic view of a top view of an embodiment of a welding machine using the present invention. Fig. 2 is a side view schematic diagram of an embodiment of the welding machine of the present invention. Fig. 3 is a schematic perspective view of an embodiment of the welding machine of the present invention.

As shown in fig. 1 to 3, the welding tool of this embodiment includes two welding modules, namely a first welding module 10 and a second welding module 20. Wherein the first welding module 10 and the second welding module 20 share one laser machine 7, and the laser machine 7 realizes the movement between the two

welding modules

10 and 20 through the moving frame 8. In actual operation, two laser machines can be arranged at the same time, only one welding module can be arranged, and three or more welding modules can be arranged, which are determined according to actual needs and are not limited by quantity.

In this embodiment, the first welding module 10 and the second welding module 20 include a carrier 3, a welding carriage 4, a welding frame 5, and a welding tool 6, in addition to the laser machine 7. Wherein, bear the fixed setting of frame 3, welding plummer 4 is installed and is being born 3 on, and is provided with elasticity on the welding plummer 4 and lean on the structure, and welding frame 5 is fixed to be set up, and welding frock 6 is installed on welding frame 5, and corresponds welding plummer 4, is provided with the elasticity pressure head (refer to fig. 7-9) on the welding frock 6, and elasticity pressure head and elasticity lean on structure cooperation centre gripping electricity core 91 and battery case 92, and laser 7 moves to target in place and carries out welding operation after electricity core 91 and battery case 92 are fixed.

Fig. 4 is a schematic view of a mounting structure of the bearing frame in an embodiment of the welding machine of the present invention. Fig. 5 is a schematic cross-sectional view of a bearing frame in an embodiment of the welding machine of the present invention.

As shown in fig. 4 and 5, the carriage 3 in this embodiment comprises a driver 31 and a slide rail 32. Wherein, driver 31 connects welding plummer 4, is provided with slider 40 on the welding plummer 4, and slider 40 cooperation slide rail 32 sets up. The driver 31 drives the welding carriage 4 to move and slide under the cooperation of the slide block 40 and the slide rail 32 to enter or exit the welding position.

In this embodiment, the welding plummer 4 further includes a supporting plate 41, a limiting plate 42, a limiting block 43, a supporting column 44 and a spring 45. Wherein, the layer board 41 is installed on bearing frame 3, and the limiting plate 42 is installed on layer board 41, is provided with a plurality of through-holes 420 that the array set up on the limiting plate 42. In this embodiment, the limiting blocks 43 are disposed on two sides of the limiting plate 42, four of the limiting blocks are symmetrically disposed, the welding fixture 6 is provided with a limiting slot (not shown in the figure), and the limiting blocks 43 are correspondingly matched with the limiting slot. In this embodiment, one end of the through hole 420 is provided with a step surface, and the support pillars 44 are sleeved in the through hole 420, and are also arranged in a plurality of arrays, corresponding to the through holes 420 one to one. The shoulder of the supporting column 44 abuts against the step surface, the bearing surface of the supporting column 44 protrudes out of the limiting plate 42, and the spring 45 is disposed in the through hole 420 and clamped between the supporting column 44 and the supporting plate 41.

Fig. 6 is a schematic diagram of a welding position of a battery cell in an embodiment of the welding machine of the present invention. In this embodiment, as shown in fig. 6, at a welding position 90 between the battery cell 91 and the battery box 92, the battery cell 91 and the battery box 92 are fixedly connected by welding. The matching condition of the battery cell 91 and the welding tool 6 is shown in the figure.

Fig. 7 is a schematic perspective view of an embodiment of the welding tool of the present invention. Fig. 8 is a schematic cross-sectional view of an embodiment of the welding tool of the present invention. Fig. 9 is a schematic cross-sectional view of a second embodiment of the welding tool of the present invention.

As shown in fig. 7 to 9, in this embodiment, the welding jig 5 includes a lifting mechanism for lifting the welding tool 6 and a traverse mechanism for moving the welding tool 6 in a horizontal direction.

In this embodiment, the welding tool 6 includes a pressing plate 61, a blocking plate 62, an elastic pressure head, a spring 64, a through hole 65 and a vent hole 66. Wherein, the baffle plate 62 is connected with the welding frame 5, and the pressing plate 61 is arranged on the baffle plate 62. In this embodiment, the elastic pressure head includes a plurality of pressure columns 63 and springs 64, the pressure columns 63 are elastically sleeved in the through holes 65 of the pressure plate 61 in a telescopic manner through the springs 64, and the pressure columns 63 are arranged on the pressure plate 61 in an array. In this embodiment, each of the through holes 65 is communicated with a vent hole 66, and the vent hole 66 is used for introducing inert gas. During welding, laser emitted by the laser machine 7 irradiates the welding tool 6, and due to the fact that the inert gas is introduced into the through hole 65 through the pressure column 63, material oxidation during welding can be avoided.

In this embodiment, when one of the first welding module 10 and the second welding module 20 is in a welding state and the other is in a loading state, the laser machine 7 is driven by the moving frame 8 to move between the first welding module 10 and the second welding module 20. In fact, two laser machines can be set according to requirements, so that synchronous welding of two welding modules is realized.

In this embodiment, when welding is needed, firstly, the battery cell 91 and the battery box 92 are placed on the welding bearing table 4, the welding bearing table 4 is moved to the right position by the bearing frame 3, the welding frame 5 drives the welding tool 6 to cooperate with the welding bearing table 4 to clamp and fix the battery cell 91 and the battery box 92, and the laser machine 7 acts to weld the welding position 90. After the first welding module 10 is completed, the second welding module 20 enters into welding operation to be performed alternately, so that the waste of loading time is reduced, and the working efficiency is improved.

the utility model discloses in, plummer and welding frock set up relatively, lean on structure cooperation centre gripping to be welded the object through elasticity pressure head and elasticity top, carry out welding operation after fixed, realize welding automation completely, the location is accurate moreover, and is efficient, product quality is stable.

It is to be understood by one of ordinary skill in the art that the specific structures and processes shown in the detailed description are exemplary only and not limiting. Moreover, a person skilled in the art can combine the various technical features described above in various possible ways to form new technical solutions, or make other modifications, all of which fall within the scope of the present invention.

Claims

1. The utility model provides a welding frock, its characterized in that, welding frock is used for coordinating the fixed object of being welded of welding plummer centre gripping, welding frock is including barrier plate, pressure strip and elasticity pressure head, a welding frame is connected to the barrier plate, the pressure strip is installed on the barrier plate, the elasticity pressure head is installed on the pressure strip, be used for the cooperation the welding plummer centre gripping is fixed the object of being welded.

2. The welding tool of claim 1, wherein the elastic pressure head comprises a plurality of pressure columns and springs, the pressure columns are elastically sleeved in the through holes in the pressure plate in a telescopic mode through the springs, and the pressure columns are arranged on the pressure plate in an array mode.

3. The welding tooling of claim 2 wherein each perforation is in communication with a vent.

4. The welding tooling of claim 3, wherein the vent holes are adapted to allow for the passage of an inert gas.

5. The welding fixture of claim 1, wherein the welding fixture is mounted on a welding carriage.

6. The welding fixture of claim 5, wherein the welding carriage comprises a lifting mechanism, and the lifting mechanism is configured to lift the welding fixture.

7. The welding tool of claim 5, wherein the welding carriage comprises a traversing mechanism configured to move the welding tool in a horizontal direction.

8. The welding fixture of any one of claims 1-7, wherein the objects to be welded are assembled battery cells and battery cases, and the battery cells and the battery cases are clamped and fixed between the welding carrier and the welding fixture.

9. A welding machine is characterized by comprising the welding tool according to any one of claims 1 to 8, and further comprising a welding bearing table and a laser machine, wherein the welding bearing table is matched with the welding tool to fix a welded object, and the laser machine is used for welding the fixed welded object.

10. The welding machine according to claim 9, wherein the welding plummer comprises a limiting plate, a supporting plate and an elastic abutting structure, the supporting plate is mounted on the welding plummer, the limiting plate is mounted on the supporting plate, and the elastic abutting structure is mounted on the limiting plate and used for matching the elastic pressure head to abut against and fix the welded object.