Battery cell bottom wrapping mechanism

Abstract

The utility model relates to a battery cell bottom-holding mechanism which comprises two bottom-holding driving units which are symmetrically arranged, two parallel and symmetrically arranged bottom-holding connecting rods are arranged between the two bottom-holding driving units, limiting grooves are formed in the opposite surfaces of the bottom-holding connecting rods, and the bottom-holding connecting rods are provided with protective edges on the outer sides of the limiting grooves; the bottom holding driving unit comprises a supporting plate, a clamping driving source, a first sliding plate, a second sliding plate, a first lifting power source and a second lifting power source. According to the battery cell bottom-holding mechanism disclosed by the utility model, the bottom-holding rod is upgraded to be provided with the protective edge in a battery cell production process, so that a battery cell can be prevented from falling off, and the bottom-holding rod is improved to be provided with the cylindrical pin penetrating through the guide rod and the bottom-holding connecting rod in the prior art, so that the battery cell can be prevented from falling off in a transfer process through the bottom-holding mechanism; labor is saved, meanwhile, working benefits are greatly improved, the success rate is extremely high, and convenience is provided for a user.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy battery production, in particular to a battery cell bottom support mechanism. Background Art

[0002] In the field of new energy vehicles, battery packs are the power core of new energy vehicles. Currently, the CTP (Ce ll To Pack) technology is mostly used in the field to manufacture battery packs, that is, directly integrating the battery cells (cell) into a battery pack (to pack). Since the CTP technology eliminates the module shell wrapped around the battery cells, the battery pack has more space to arrange the battery cells, and the overall energy density is increased, thereby improving the driving range; at the same time, the number of battery pack components is greatly reduced, reducing the manufacturing cost and weight.

[0003] Based on CTP technology, the battery cells need to be clamped, transferred and placed during the actual production process of the battery pack. However, in the actual production process, it is found that the battery cell picking and placing device under the current technology has the following problems:

[0004] 1. Currently, there is no edge protection at the bottom, and the partition cannot be limited;

[0005] 2. The screws on the bottom of the cover and the guide rod have fallen off or not been firmly locked.

[0006] 3. The size of the battery cells will change frequently, and the current pick-and-place device is not compatible with battery cells of different sizes and shapes. Utility Model Content

[0007] Therefore, the technical problem to be solved by the utility model is to overcome the problem of poor safety caused by poor adaptability and unreasonable structural design of the battery cell taking and placing device in the prior art.

[0008] In order to solve the above technical problems, the utility model provides a battery cell bottom protection mechanism, including: a bottom protection drive unit, which is two symmetrically arranged, two parallel and symmetrically arranged bottom protection connecting rods are arranged between the two bottom protection drive units, and the opposite surfaces of the bottom protection connecting rods are provided with limiting grooves, and the bottom protection connecting rods are provided with protective edges on the outer sides of the limiting grooves; the bottom protection drive unit includes a support plate, a clamping drive source, a skateboard one, a skateboard two, a lifting power source one and a lifting power source two, the clamping drive source is installed on the skateboard one, the skateboard one and the skateboard two are both slidably connected to the support plate, the lifting power source one is installed on the skateboard one, and the lifting power source two is installed on the skateboard two, and the two parallel and symmetrically arranged bottom protection connecting rods are respectively connected to the lifting power source one and the lifting power source two.

[0009] In one embodiment of the utility model, a horizontal guide rail is provided on the support plate, a slider 1 is connected to the slider 1, a slider 2 is connected to the slider 2, and both the slider 1 and the slider 2 are slidably connected to the horizontal guide rail.

[0010] In one embodiment of the utility model, a connecting plate is installed on the support plate, and a buffer is provided on the connecting plate. The buffer is used for buffering and limiting the slide plate one and the slide plate two.

[0011] In one embodiment of the utility model, a guide rod 1 is connected to the telescopic rod of the lifting power source 1, a guide sleeve 1 is installed on the slide plate 1, the guide rod 1 penetrates the guide sleeve 1, and the guide rod 1 and the guide sleeve 1 are slidably connected, and the bottom connecting rod is fixedly connected to the lower end of the guide rod 1.

[0012] In one embodiment of the utility model, the guide rod 1 is connected to a transfer block 1, the transfer block 1 is connected to a slide block 3, the slide block 1 is provided with a vertical guide rail 1, and the slide block 3 is slidably connected to the vertical guide rail 1.

[0013] In one embodiment of the utility model, a guide rod 2 is connected to the telescopic rod of the lifting power source 2, a guide sleeve 2 is installed on the slide plate 2, the guide rod 2 passes through the guide sleeve 2, and the guide rod 2 and the guide sleeve 2 are slidably connected, and the bottom connecting rod is fixedly connected to the lower end of the guide rod 2.

[0014] In one embodiment of the utility model, the guide rod 2 is connected to a transfer block 2, the transfer block 2 is connected to a slide block 4, the slide block 2 is provided with a vertical guide rail 2, and the slide block 4 is slidably connected to the vertical guide rail 2.

[0015] In one embodiment of the utility model, cylindrical pins are provided at the connection between the bottom connecting rod and the first guide rod, and at the connection between the bottom connecting rod and the second guide rod, and the axis direction of the cylindrical pins is arranged along the horizontal direction.

[0016] In one embodiment of the utility model, the slide plate 1 is provided with an upper positioning sensor 1 and a lower positioning sensor 1, and the upper positioning sensor 1 and the lower positioning sensor 1 are used to detect the vertical movement position of the guide rod 1. The slide plate 2 is provided with an upper positioning sensor 2 and a lower positioning sensor 2, and the upper positioning sensor 2 and the lower positioning sensor 2 are used to detect the vertical movement position of the guide rod 2.

[0017] In one embodiment of the utility model, the clamping drive source, the lifting power source 1 and the lifting power source 2 are all cylinders.

[0018] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0019] The battery cell bottom supporting mechanism described in the utility model is designed for the battery cell production process, in which the bottom supporting rod is upgraded to a form with a protective edge, which can protect the battery cell from falling. In view of the existing loose connection situation, it is improved to a form in which a cylindrical pin passes through the guide rod and the bottom supporting connecting rod. The bottom supporting mechanism can ensure that the battery cell will not fall during transportation, which not only saves manpower, but also greatly improves work efficiency, and has a very high success rate, providing convenience to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0021] Figure 1 This is a schematic diagram of the overall structure of the battery bottom support mechanism in the preferred embodiment of the utility model;

[0022] Figure 2 This is a structural schematic diagram of the bottom connecting rod in the preferred embodiment of the utility model;

[0023] Figure 3 The structure of the bottom drive unit in the preferred embodiment of the utility model is shown in FIG. Figure 1 ;

[0024] Figure 4 The structure of the bottom drive unit in the preferred embodiment of the utility model is shown in FIG. Figure 2 ;

[0025] Figure 5 The structure of the bottom drive unit in the preferred embodiment of the utility model is shown in FIG. Figure 3 .

[0026] Explanation of the reference numerals in the specification: bottom driving unit 1, support plate 11, horizontal guide rail 111, connecting plate 112, guide sleeve 114, vertical guide rail 115, buffer 2 1151, guide sleeve 2 116, vertical guide rail 2 117, buffer 3 1171, buffer 113, clamping driving source 12, slide plate 13, slider 131, upper positioning sensor 132, lower positioning sensor 1 133, slide plate 2 14, slider 2 141, upper positioning sensor 2 142, lower positioning sensor 2 143, lifting power source 1 15, guide rod 1 151, adapter block 1 152, lifting power source 2 16, guide rod 2 161, adapter block 2 162, bottom connecting rod 2, limiting groove 21, protective edge 22, cylindrical pin 3. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0028] Reference Figure 1-5 As shown, the battery cell bottom-supporting mechanism of the utility model comprises: a bottom-supporting driving unit 1, which is two symmetrically arranged, and two parallel and symmetrically arranged bottom-supporting connecting rods 2 are arranged between the two bottom-supporting driving units 1, and the opposite surfaces of the bottom-supporting connecting rods 2 are provided with limiting grooves 21, and the bottom-supporting connecting rods 2 are provided with protective edges 22 on the outer sides of the limiting grooves 21; the bottom-supporting driving unit 1 comprises a support plate 11, a clamping driving source 12, a slide plate 13, a slide plate 14, a lifting power source 15 and a lifting power source 2 16, the clamping driving source 12 is installed on the slide plate 13, the slide plate 13 and the slide plate 2 14 are both slidably connected to the support plate 11, the lifting power source 15 is installed on the slide plate 13, the lifting power source 2 16 is installed on the slide plate 2 14, and the two parallel and symmetrically arranged bottom-supporting connecting rods 2 are respectively connected to the lifting power source 15 and the lifting power source 2 16. The clamping driving source 12 acts as a horizontal driving force to drive the two bottom-supporting connecting rods 2 to move closer or farther from each other, and can adjust the distance between the two bottom-supporting connecting rods 2 to adapt to the battery cells. The lifting power source 15 and the lifting power source 2 16 are set to act synchronously to adjust the vertical height of the two bottom-supporting connecting rods 2, so as to take and place the battery cells.

[0029] In the above structure, the support plate 11 is provided with a horizontal guide rail 111, and the horizontal guide rail 111 is arranged as two parallel rails. The slide plate 1 13 is connected with a slider 1 131, and the slide plate 2 14 is connected with a slider 2 141. The slider 1 131 and the slider 2 141 are both slidably connected to the horizontal guide rail 111. The support plate 11 is provided with a connecting plate 112, and the connecting plate 112 is provided with a buffer 113, and the buffer 113 is used for buffering and limiting the slide plates 1 13 and 14.

[0030] In the above structure, the telescopic rod of the lifting power source 15 is connected to a guide rod 151, the slide plate 13 is installed with a guide sleeve 114, the guide rod 151 penetrates the guide sleeve 114, and the guide rod 151 and the guide sleeve 114 are slidably connected, and the bottom connecting rod 2 is fixedly connected to the lower end of the guide rod 151. The guide rod 151 is connected to a transfer block 152, and the transfer block 152 is connected to a slider 3 153, and the slide plate 13 is provided with a vertical guide rail 115, and the slider 3 153 is slidably connected to the vertical guide rail 115.

[0031] In the above structure, the telescopic rod of the lifting power source 2 16 is connected with a guide rod 2 161, the slide plate 2 14 is installed with a guide sleeve 2 116, the guide rod 2 161 penetrates the guide sleeve 2 116, and the guide rod 2 161 and the guide sleeve 2 116 are slidably connected, and the bottom-covering connecting rod 2 is fixedly connected with the lower end of the guide rod 2 161. The guide rod 2 161 is connected with a transfer block 2 162, and the transfer block 2 162 is connected with a slider 4 163. The slide plate 2 14 is provided with a vertical guide rail 2 117, and the slider 4 163 is slidably connected with the vertical guide rail 2 117. The guide rod 2 161 is symmetrically and parallelly arranged with the guide rod 1 151, and the guide rod 2 161 and the guide rod 1 151 act synchronously, so that the two bottom-covering connecting rods 2 act synchronously.

[0032] In the above structure, a cylindrical pin 3 is provided at the connection between the bottom connecting rod 2 and the guide rod 1 151 and the connection between the bottom connecting rod 2 and the guide rod 2 161, and the axis direction of the cylindrical pin 3 is arranged in the horizontal direction. By changing the connection mode between the bottom connecting rod 2 and the guide rod 1 151 and the bottom connecting rod 2 and the guide rod 2 161, the bottom connecting rod 2 and the guide rod 1 151 and the bottom connecting rod 2 and the guide rod 2 161 can be prevented from being separated, thereby improving safety.

[0033] In the above structure, the slide plate 13 is provided with an upper positioning sensor 132 and a lower positioning sensor 133, and the upper positioning sensor 132 and the lower positioning sensor 133 are used to detect the vertical movement position of the guide rod 151. The slide plate 2 is provided with an upper positioning sensor 2142 and a lower positioning sensor 2143, and the upper positioning sensor 2142 and the lower positioning sensor 2143 are used to detect the vertical movement position of the guide rod 2161. The vertical guide rail 115 is arranged along the vertical direction, and the upper and lower ends of the vertical guide rail 115 are provided with buffers 2151, and the buffers 2151 at the upper and lower ends of the vertical guide rail 115 are used to limit the movement of the slider 3153. The vertical guide rail 217 is arranged along the vertical direction, and the upper and lower ends of the vertical guide rail 217 are provided with buffers 3171, and the buffers 3171 at the upper and lower ends of the vertical guide rail 217 are used to limit the movement of the slider 4163.

[0034] Preferably, the clamping drive source 12, the lifting power source 1 15 and the lifting power source 2 16 are all cylinders.

[0035] The action description of the battery bottom protection mechanism of the utility model:

[0036] The bottom-covering mechanism is connected to the robot. In the first step, under the action of the robot, the bottom-covering mechanism moves to the designated working position, and the clamping drive source 12 drives the two bottom-covering connecting rods 2 to clamp the product; in the second step, all the lifting power sources 15 and 16 are extended, and at the same time, the clamping drive sources 12 on both sides are tightened to complete the material picking and bottom covering; in the third step, after reaching the next working position under the action of the robot, the clamping drive source 12 is extended, the lifting power source 15 and the lifting power source 2 16 are retracted, and the bottom-covering mechanism for picking up materials is opened to complete the material operation.

[0037] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A battery cell bottom support mechanism, characterized in that: include, The bottom-covering driving units are two symmetrically arranged, and two parallel and symmetrically arranged bottom-covering connecting rods are arranged between the two bottom-covering driving units. The opposite surfaces of the bottom-covering connecting rods are provided with limiting grooves, and the bottom-covering connecting rods are provided with protective edges on the outer sides of the limiting grooves; The bottom-covering driving unit includes a supporting plate, a clamping driving source, a slide plate 1, a slide plate 2, a lifting power source 1 and a lifting power source 2. The clamping driving source is installed on the slide plate 1. The slide plate 1 and the slide plate 2 are both slidably connected to the supporting plate. The lifting power source 1 is installed on the slide plate 1. The lifting power source 2 is installed on the slide plate 2. The two parallel and symmetrical bottom-covering connecting rods are respectively connected to the lifting power source 1 and the lifting power source 2.

2. The battery cell bottom support mechanism according to claim 1, characterized in that: The support plate is provided with a horizontal guide rail, the first slide plate is connected to a slider first, the second slide plate is connected to a slider second, and both the slider first and the slider second are slidably connected to the horizontal guide rail.

3. The battery cell bottom support mechanism according to claim 1, characterized in that: A connecting plate is installed on the support plate, and a buffer is provided on the connecting plate. The buffer is used for buffering and limiting the slide plate one and the slide plate two.

4. The battery cell bottom support mechanism according to claim 1, characterized in that: A guide rod 1 is connected to the telescopic rod of the lifting power source 1, a guide sleeve 1 is installed on the slide plate 1, the guide rod 1 penetrates the guide sleeve 1, and the guide rod 1 and the guide sleeve 1 are slidably connected, and the bottom connecting rod is fixedly connected to the lower end of the guide rod 1.

5. The battery cell bottom support mechanism according to claim 4, characterized in that: The guide rod 1 is connected with an adapter block 1, the adapter block 1 is connected with a slide block 3, the slide block 1 is provided with a vertical guide rail 1, and the slide block 3 is slidably connected to the vertical guide rail 1.

6. The battery cell bottom support mechanism according to claim 4, characterized in that: A second guide rod is connected to the telescopic rod of the second lifting power source, a second guide sleeve is installed on the second slide plate, the second guide rod passes through the second guide sleeve, and the second guide rod and the second guide sleeve are slidably connected, and the bottom connecting rod is fixedly connected to the lower end of the second guide rod.

7. The battery cell bottom support mechanism according to claim 6, characterized in that: The guide rod 2 is connected with an adapter block 2, the adapter block 2 is connected with a slide block 4, the slide block 2 is provided with a vertical guide rail 2, and the slide block 4 is slidably connected to the vertical guide rail 2.

8. The battery cell bottom support mechanism according to claim 6, characterized in that: A cylindrical pin is provided at the connection between the bottom support connecting rod and the first guide rod, and at the connection between the bottom support connecting rod and the second guide rod, and the axis direction of the cylindrical pin is arranged along the horizontal direction.

9. The battery cell bottom support mechanism according to claim 6, characterized in that: The slide plate 1 is provided with an upper positioning sensor 1 and a lower positioning sensor 1, and the upper positioning sensor 1 and the lower positioning sensor 1 are used to detect the vertical movement position of the guide rod 1. The slide plate 2 is provided with an upper positioning sensor 2 and a lower positioning sensor 2, and the upper positioning sensor 2 and the lower positioning sensor 2 are used to detect the vertical movement position of the guide rod 2.

10. The battery cell bottom support mechanism according to claim 1, characterized in that: The clamping driving source, the first lifting power source and the second lifting power source all adopt cylinders.

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