CN218069935U - Supplementary upper cover anchor clamps of electricity core module - Google Patents

Abstract

The utility model provides an auxiliary upper cover clamp of an electric core module, which belongs to the technical field of automatic production lines of new energy battery electric core modules, and is designed for solving the technical problems that the upper cover is inconvenient to operate and difficult to manually cover; a spanner is arranged on the supporting clamp mechanism; when the die set is used, the wrench is twisted in the forward direction, and the die set upper cover is clamped above the die set U shell; a spring balancer is arranged between the section bar supporting mechanism and the clamp mechanism, the clamp mechanism is enabled to loosen the battery cell module by reversely twisting the wrench, and the clamp mechanism moves up and down or horizontally under the action of the pulling force of the spring balancer and the guiding of the guide rail on the section bar supporting mechanism. To the battery module, can quick adjustment, positioning fixture position, make things convenient for artifical upper cover installation, improve production efficiency, save labour's cost.

Description

Supplementary upper cover anchor clamps of electricity core module

Technical Field

The utility model relates to a new forms of energy battery electricity core module automation line technical field especially relates to an upper cover anchor clamps are assisted to electricity core module.

Background

At present, in the production line automation production process of the popular group 3P8S battery module, after the battery core enters the U shell, the upper cover of the battery core module needs to be clamped above the U shell to contain the battery core in the module, and the upper cover needs to be manually installed. Because the battery cell is filled with the battery cell in the U shell rear shell, the U shell has strong rigidity and is not easy to generate elastic deformation, so that the personnel upper cover is inconvenient to operate, the manual upper cover is difficult to operate, the labor cost is high, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems that the upper cover is inconvenient to operate and difficult to manually cover, the application provides an auxiliary upper cover clamp for a cell module, a clamp mechanism is arranged on a section bar supporting mechanism, the section bar supporting mechanism supports and moves the clamp mechanism, and the clamp mechanism is used for clamping the upper cover of the module; a spanner is arranged on the clamp mechanism; when the die set is used, the wrench is twisted in the forward direction, and the die set upper cover is clamped above the die set U shell; a spring balancer is arranged between the section bar supporting mechanism and the clamp mechanism, the clamp mechanism is enabled to loosen the battery cell module by reversely twisting the wrench, and the clamp mechanism moves up and down or horizontally under the action of the pulling force of the spring balancer and the guiding of the guide rail on the section bar supporting mechanism.

Optionally, the profile supporting mechanism includes a hanger supporting plate, a lifting ring, a profile angle brace, a spring balancer, a fixing ring, a linear bearing, a clamp supporting plate, a linear guide rail, a slide rail limiting plate, a slide rail fixing plate, a guide rod, a 90-degree angle brace, a guide rod connecting rod, a profile bracket, a caster mounting plate, a caster, a foot margin fixing plate and a foot cup;

the fixture mechanism comprises a fixture bottom plate, a fixture lifting ring, a linear slide rail, a reinforcing rib, a module upper cover, a cell module, a lead screw support I, a lead screw nut support, a module U shell, a lead screw nut, a trapezoidal lead screw, a lead screw support II, a lead screw connector, a connector limiting plate, a push plate, a linear slide rail limiting plate, a wrench, a positioning plate and a rubber cushion block;

the lifting appliance supporting plate is fixed at the uppermost part of the section bar bracket, and the section bar corner connector is fixed at the inner side of the section bar bracket and is used for reinforcing the rigidity of the section bar supporting mechanism; the lifting ring is fixed below the lifting appliance supporting plate, the spring balancer is fixed on the lifting ring, the other end of the spring balancer is fixed on the clamp lifting ring, and the clamp mechanism can be kept in a balanced state in the height direction at any time by adjusting the tensile force of the spring balancer.

Optionally, the slide rail fixing plate is fixed on the profile bracket, the two linear guide rails and the slide rail limiting plate are fixed on the slide rail fixing plate, and the slide rail limiting plate is used for limiting the linear guide rails, so that the slide blocks on the linear guide rails are prevented from being separated from the linear guide rails in the sliding process.

Optionally, the clamp support plate is mounted on the slider of the linear guide rail, and the clamp support plate can slide back and forth through the slider on the linear guide rail.

Optionally, the two linear bearings are respectively fixed on two sides of the clamp support plate.

Optionally, the two guide rods are respectively installed at the inner sides of the linear bearings, the two fixing rings are respectively fixed on the two guide rods, and the fixing rings play a limiting role in the process that the guide rods slide up and down in the linear bearings.

Optionally, threaded holes are respectively drilled in the upper end face and the lower end face of each guide rod, guide rod connecting rods are fixed at the upper ends of the two guide rods, and the guide rod connecting rods ensure the synchronism and the stability of the guide rods on the two sides in the up-and-down sliding process in the linear bearing; the other ends of the guide rods on the two sides are connected with a clamp bottom plate of the clamp mechanism; the clamp mechanism can freely adjust the height direction and the horizontal direction through the guide rod, the linear bearing, the clamp supporting plate, the linear guide rail and the slide rail fixing plate under the tension of the spring balancer, and the position of the clamp mechanism can be automatically adjusted according to the position of the battery cell module on the production line body, so that the clamp mechanism is quickly positioned.

Optionally, the profile support is formed by splicing aluminum profiles, built-in connecting pieces are used for connecting and die-casting corner groove connecting pieces, the rigidity of the profile support is enhanced through profile corner connectors and 90-degree corner connectors, and the profile support is guaranteed to support the whole clamp mechanism; the trundle mounting plate is fixed below the profile bracket, the trundles and the foot cups are fixed on the trundle mounting plate, and the foot margin fixing plate is fixed on the outer side of the reinforced profile bracket; when the installation position is not confirmed, the vehicle can be transported through the caster; after the installation position of the device is fixed, the foot cup can be adjusted, and the foot fixing plate is provided with foundation bolts to fix the device.

Optionally, the clamp lifting ring is fixed on the clamp bottom plate, the clamp lifting ring is connected with the draw hook on the spring balancer, and the clamp mechanism can be constantly kept in a balanced state in the height direction by adjusting the tension of the spring balancer; the reinforcing ribs are fixed on the clamp bottom plate and used for reinforcing the rigidity of the battery cell module auxiliary upper cover clamp; the linear slide rail is arranged on the lower side of the clamp bottom plate; the push plate and the positioning plate are composed of aluminum splicing pieces, and the insides of the push plate and the positioning plate are fixed by screws and pins; five rubber cushion blocks are respectively arranged on the push plate and the positioning plate; the positioning plate is fixed on the clamp bottom plate and is fastened and connected by adopting a pin, the push plate is arranged on a slide block of the linear slide rail, and the linear slide rail limiting plate is fixed on the clamp bottom plate to prevent the slide block of the linear slide rail from being separated from the guide rail in the sliding process of the push plate; the screw nut support is fixed on the push plate, and the screw nut is fixed on the screw nut support.

Optionally, the first screw rod support and the second screw rod support are fixed on the clamp bottom plate; the trapezoidal screw rod is sequentially connected with the first screw rod support, the second screw rod support and the screw nut, trapezoidal threads are tapped on the trapezoidal screw rod and are meshed with the threads on the screw nut, and the screw nut, the screw nut support and the push plate can be driven to horizontally move by the rotation of the trapezoidal screw rod; a threaded hole is tapped on the end face of the trapezoidal screw rod; the screw rod joint is fixed at one end of the trapezoidal screw rod, the wrench is sleeved on the screw rod joint, and the joint limiting plate is fixed on the end face of the trapezoidal screw rod to prevent the wrench and the screw rod joint from being separated from the trapezoidal screw rod; by twisting the wrench, the torque force on the wrench is transmitted to the trapezoidal screw rod through the screw rod joint, so that the trapezoidal screw rod rotates, and trapezoidal threads on the trapezoidal screw rod are meshed with trapezoidal threads on the screw rod nut to drive the screw rod nut, the screw rod nut bracket and the push plate to move horizontally; the module U shell of the battery cell module is contacted with one end of a module U shell contact end on the positioning plate, the wrench is twisted, the rubber cushion block of the push plate horizontally moves to be contacted with the other end of the module U shell, so that the clamp mechanism clamps the module U shell of the battery cell module, along with the increase of the force of the wrench, the force of the push plate in the horizontal direction is also increased, the module U shell elastically deforms towards the inner side under the action of the force of the push plate in the horizontal direction, and the module upper cover can be easily clamped above the module U shell through manual operation due to the deformation of the module U shell towards the inner side; after the operation of upper cover is accomplished, reverse wrench movement spanner makes anchor clamps mechanism loosen electric core module, and under the pulling force of spring balancer and guide arm, linear bearing's vertical direction guiding action, anchor clamps mechanism rebound, electric core module flow direction next station on the assembly line body.

Has the advantages that: convenient transportation and installation, simple structure and low cost. To the battery module, can quick adjustment, positioning fixture position, make things convenient for artifical upper cover installation, improve production efficiency, save labour's cost.

Drawings

FIG. 1 is a schematic view of the overall mechanism;

FIG. 2 is a partial schematic view of the structure;

FIG. 3 is another partial schematic view of the structure;

FIG. 4 is a schematic view of a lower partial structure;

FIG. 5 is a front view partially schematic of the mechanism;

figure 6 is a schematic view of the direction of movement of the push plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.

The section bar supporting mechanism 1, the lifting appliance supporting plate 1-1, the lifting ring 1-2, the section bar corner connectors 1-3, the spring balancer 1-4, the fixing ring 1-5, the linear bearing 1-6, the clamp supporting plate 1-7, the linear guide rail 1-8, the slide rail limiting plate 1-9, the slide rail fixing plate 1-10, the guide rod 1-11, the 90 degree corner connector 1-12, the guide rod connecting rod 1-13, the section bar support 1-14, the caster mounting plate 1-15, the caster 1-16, the foundation fixing plate 1-17, the foot cup 1-18

The fixture comprises a fixture mechanism 2, a fixture bottom plate 2-1, a fixture lifting ring 2-2, a linear slide rail 2-3, a reinforcing rib 2-4, a module upper cover 2-5, a battery cell module 2-6, a lead screw support I2-7, a lead screw nut support 2-8, a module U shell 2-9, a lead screw nut 2-10, a trapezoidal lead screw 2-11, a lead screw support II 2-12, a lead screw connector 2-13, a connector limiting plate 2-14, a push plate 2-15, a linear slide rail limiting plate 2-16, a wrench 2-17, a positioning plate 2-18 and a rubber cushion block 2-19

Referring to fig. 1, the structure of the device is: the clamping device is composed of a section bar supporting mechanism 1 and a clamping mechanism 2, wherein the section bar supporting mechanism 1 is used for the clamping mechanism 2. Fig. 2, 3 and 4 are each a partial view of the profile support 1. Fig. 5 and 6 are schematic views of the clamp mechanism 2, respectively.

As shown in fig. 2: the lifting appliance supporting plate 1-1 is fixed on the uppermost part of the section bar bracket 1-14, and the section bar corner connector 1-3 is fixed on the inner side of the section bar bracket 1-14 for reinforcing the rigidity of the section bar supporting mechanism 1. The lifting ring 1-2 is fixed below the lifting appliance supporting plate 1-1, the spring balancer 1-4 is fixed on the lifting ring 1-2, the other end of the spring balancer 1-4 is fixed on the clamp lifting ring 2-2, and the clamp mechanism 2 can be constantly kept in a balanced state in the height direction by adjusting the tensile force of the spring balancer 1-4.

As shown in fig. 3: the sliding rail fixing plates 1-10 are fixed on the section bar supports 1-14, the two linear guide rails 1-8 and the sliding rail limiting plates 1-9 are fixed on the sliding rail fixing plates 1-10, and the sliding rail limiting plates 1-9 are used for limiting the linear guide rails 1-8 and preventing sliding blocks on the limiting linear guide rails 1-8 from being separated from the guide rails in the sliding process. The clamp supporting plates 1-7 are arranged on the sliding blocks of the linear guide rails 1-8, and the clamp supporting plates 1-7 can slide back and forth through the sliding blocks on the linear guide rails 1-8. Two linear bearings 1-6 are respectively fixed on two sides of the clamp supporting plate 1-7. The two guide rods 1-11 are respectively arranged at the inner sides of the linear bearings 1-6, the two fixing rings 1-5 are respectively fixed on the guide rods 1-11, and the fixing rings 1-5 play a role in limiting when the guide rods 1-11 slide up and down in the linear bearings 1-6. Threaded holes are respectively drilled in the upper end face and the lower end face of each guide rod 1-11, guide rod connecting rods 1-13 are fixed at the upper ends of the two guide rods 1-11, and the guide rod connecting rods 1-13 ensure the synchronism and stability of the guide rods 1-11 on the two sides in the process of sliding up and down in the linear bearings 1-6. The other ends of the two side guide rods 1-11 are connected with a clamp bottom plate 2-1 of the clamp mechanism 2. Therefore, the clamp mechanism 2 can be freely adjusted in the height direction and the horizontal direction under the tension of the spring balancer 1-4 through the guide rods 1-11, the linear bearings 1-6, the clamp supporting plates 1-7, the linear guide rails 1-8 and the slide rail fixing plates 1-10, and an operator can automatically adjust the position of the clamp mechanism 2 according to the position of the battery cell module on the production line body, so that the clamp mechanism 2 is quickly positioned, and the operation of the operator is facilitated.

As shown in fig. 4: the section bar supports 1-14 are formed by splicing 4080 aluminum sections, built-in connecting pieces are adopted for connection, corner groove connecting pieces are die-cast, the rigidity of the section bar supports 1-14 is enhanced through section bar corner connectors 1-3 and 90-degree corner connectors 1-12, and the section bar supports 1-14 are guaranteed to support the whole clamp mechanism 2. The caster mounting plates 1-15 are fixed below the profile supports 1-14, the casters 1-16 and the foot cups 1-18 are fixed on the caster mounting plates 1-15, and the foot fixing plates 1-17 are fixed on the outer sides of the reinforced profile supports 1-14. Therefore, the whole device can be transported through the casters 1-16 when the installation position is not confirmed, and the position of the device can be conveniently adjusted by field personnel. After the installation position of the device is determined, the foot cups 1-18 can be adjusted, and foundation bolts are installed on the foundation fixing plates 1-17 to firmly fix the device.

As shown in fig. 5 and 6: fig. 5 and 6 show the structure of the entire clamp mechanism 2.

The clamp hanging ring 2-2 is fixed on the clamp bottom plate 2-1, the clamp hanging ring 2-2 is connected with the draw hook on the spring balancer 1-4, so that the clamp mechanism 2 can be kept in a balanced state in the height direction at any time by adjusting the tension of the spring balancer 1-4. The reinforcing ribs 2-4 are fixed on the clamp bottom plate 2-1 and used for reinforcing the rigidity of the whole set of clamp. The linear slide rail 2-3 is arranged on the lower side of the clamp bottom plate 2-1, the push plate 2-15 and the positioning plate 2-18 are composed of aluminum splicing parts, the inner parts of the push plate and the positioning plate are fixed by screws and pins, and five rubber cushion blocks 2-19 are respectively arranged on the push plate 2-15 and the positioning plate 2-18. The positioning plate 2-18 is fixed on the clamp bottom plate 2-1 and is tightly connected with the clamp bottom plate 2-1 through a pin, the push plate 2-15 is installed on a slide block of the linear slide rail 2-3, and the linear slide rail limiting plate 2-16 is fixed on the clamp bottom plate 2-1, so that the slide block of the linear slide rail 2-3 is prevented from being separated from the guide rail in the sliding process of the push plate 2-15. The screw-nut bracket 2-8 is fixed on the push plate 2-15, and the screw-nut 2-10 is fixed on the screw-nut bracket 2-8. The first screw rod support 2-7 and the second screw rod support 2-12 are standard parts of a Yihe built-in bearing and are used for a trapezoidal screw rod 2-11 which are fixed on the clamp bottom plate 2-1. The trapezoidal screw rod 2-11 is sequentially connected with the screw rod support I2-7, the screw rod support II 2-12 and the screw rod nut 2-10, trapezoidal threads are tapped on the trapezoidal screw rod 2-11 and are consistent with threads on the screw rod nut 2-10, and further the rotation of the trapezoidal screw rod 2-11 can drive the screw rod nut 2-10, the screw rod nut support 2-8 and the push plate 2-15 to horizontally move. Threaded holes are tapped on the end faces of the trapezoidal screw rods 2-11. The screw rod connector 2-13 is fixed at one end of the trapezoidal screw rod 2-11, the wrench 2-17 is sleeved on the screw rod connector 2-13, and the connector limiting plate 2-14 is fixed at the end face of the trapezoidal screw rod 2-11 to prevent the wrench 2-17 and the screw rod connector 2-13 from being separated from the trapezoidal screw rod 2-11. Thus, an operator twists the wrenches 2-17, the torque force on the wrenches 2-17 is transmitted to the trapezoidal screw rod 2-11 through the screw rod connector 2-13, so that the trapezoidal screw rod 2-11 rotates, and the trapezoidal threads on the trapezoidal screw rod 2-11 are meshed with the trapezoidal threads on the screw rod nut 2-10 to drive the screw rod nut 2-10, the screw rod nut bracket 2-8 and the push plate 2-15 to move horizontally (the direction of the push plate is shown in fig. 6). As shown in fig. 6, one end of the module U shell 2-9 of the cell module 2-6, which is in contact with the rubber pad 2-19 on the positioning plate 2-18, is in contact with the other end of the module U shell 2-9 by horizontally moving the rubber pad 2-19 of the push plate 2-15 with the wrench 2-17, so that the clamp mechanism 2 clamps the module U shell 2-9 of the cell module 2-6, and as the force of the wrench 2-17 is increased by the operator, the force of the push plate 2-15 in the horizontal direction is also increased, the module U shell 2-9 will elastically deform inward under the force of the push plate 2-15 in the horizontal direction, and the module U shell 2-9 deforms inward so that the operator can easily clamp the module upper cover 2-5 above the module U shell 2-9. After the operation of the upper cover is finished, an operator reversely twists the wrenches 2-17 to enable the clamp mechanism 2 to loosen the battery cell modules 2-6, then under the guiding action of the tension of the spring balancers 1-4 and the vertical direction of the guide rods 1-11 and the linear bearings 1-6, the clamp mechanism 2 moves upwards, and the battery cell modules 2-6 on the production line body flow to the next station.

The working principle of the device is as follows: firstly, an operator moves the whole device to the installation position of the device through the castors 1-16 on the section bar supporting mechanism 1, and after the installation position is confirmed, the foot cups 1-18 are adjusted and the foundation bolts are installed on the foundation fixing plates 1-17 to firmly fix the device, and refer to fig. 4. When the battery cell module on the assembly line flows to the station, the fixture mechanism 2 can freely adjust the height direction and the horizontal direction under the pulling force of the spring balancer 1-4 through the guide rods 1-11, the linear bearings 1-6, the fixture support plates 1-7, the linear guide rails 1-8 and the slide rail fixing plates 1-10, and an operator can automatically adjust the position of the fixture mechanism 2 according to the position of the battery cell module on the assembly line, so that the fixture mechanism 2 is quickly positioned, and refer to fig. 2 and fig. 3. After the positioning of the clamp mechanism 2 is completed, an operator twists the wrench 2-17, the rubber cushion block 2-19 of the push plate 2-15 horizontally moves to contact with the other end of the module U shell 2-9, so that the clamp mechanism 2 clamps the module U shell 2-9 of the battery cell module 2-6, the force of the push plate 2-15 in the horizontal direction is increased along with the increase of the force of the operator twisting the wrench 2-17, the module U shell 2-9 elastically deforms to the inner side under the action of the force of the push plate 2-15 in the horizontal direction, and the module U shell 2-9 deforms to the inner side, so that the operator can easily clamp the module upper cover 2-5 above the module U shell 2-9. After the operation of the upper cover is completed, an operator reversely twists the wrenches 2-17 to enable the clamp mechanism 2 to loosen the battery cell modules 2-6, then under the guiding action of the tension of the spring balancers 1-4 and the vertical direction of the guide rods 1-11 and the linear bearings 1-6, the clamp mechanism 2 moves upwards, the battery cell modules 2-6 on the production line body flow to the next station, and the whole manual upper cover process is finished, and refer to fig. 5 and 6.

The above embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The auxiliary upper cover clamp for the battery cell module is characterized in that a clamp mechanism (2) is arranged on a section bar supporting mechanism (1), the section bar supporting mechanism (1) supports and moves the clamp mechanism (2), and the clamp mechanism (2) is used for clamping the upper cover of the module; a spanner (2-17) is arranged on the clamp mechanism (2); when the die set is used, the wrench (2-17) is twisted in the positive direction, and the die set upper cover (2-5) is clamped above the die set U shell (2-9); a spring balancer (1-4) is arranged between the section bar supporting mechanism (1) and the clamp mechanism (2), the wrench (2-17) is reversely twisted to enable the clamp mechanism (2) to loosen the battery cell module (2-6), and under the action of the tension of the spring balancer (1-4) and the guiding of the section bar supporting mechanism (1), the clamp mechanism (2) moves up and down or horizontally.

2. The battery cell module auxiliary upper cover clamp of claim 1, wherein the profile supporting mechanism (1) comprises a hanger supporting plate (1-1), a lifting ring (1-2), a profile angle code (1-3), a spring balancer (1-4), a fixing ring (1-5), a linear bearing (1-6), a clamp supporting plate (1-7), a linear guide rail (1-8), a slide rail limiting plate (1-9), a slide rail fixing plate (1-10), a guide rod (1-11), a 90-degree angle code (1-12), a guide rod connecting rod (1-13), a profile bracket (1-14), a caster mounting plate (1-15), a caster (1-16), a foundation fixing plate (1-17) and a foot cup (1-18);

the clamp mechanism (2) comprises a clamp bottom plate (2-1), a clamp lifting ring (2-2), a linear sliding rail (2-3), a reinforcing rib (2-4), a module upper cover (2-5), a battery cell module (2-6), a screw rod support I (2-7), a screw rod nut support (2-8), a module U shell (2-9), a screw rod nut (2-10), a trapezoidal screw rod (2-11), a screw rod support II (2-12), a screw rod connector (2-13), a connector limiting plate (2-14), a push plate (2-15), a linear sliding rail limiting plate (2-16), a wrench (2-17), a positioning plate (2-18) and a rubber cushion block (2-19);

the lifting appliance supporting plate (1-1) is fixed at the uppermost part of the section bar bracket (1-14), and the section bar corner connector (1-3) is fixed at the inner side of the section bar bracket (1-14) and used for reinforcing the rigidity of the section bar supporting mechanism (1); the lifting ring (1-2) is fixed below the lifting appliance supporting plate (1-1), the spring balancer (1-4) is fixed on the lifting ring (1-2), the other end of the spring balancer (1-4) is fixed on the clamp lifting ring (2-2), and the clamp mechanism (2) can be constantly kept in a balanced state in the height direction by adjusting the tensile force of the spring balancer (1-4).

3. The battery cell module auxiliary upper cover fixture according to claim 2, wherein a slide rail fixing plate (1-10) is fixed on a profile bracket (1-14), two linear guide rails (1-8) and slide rail limiting plates (1-9) are fixed on the slide rail fixing plate (1-10), and the slide rail limiting plates (1-9) are used for limiting the linear guide rails (1-8) to prevent a slide block on the linear guide rails (1-8) from being separated from the linear guide rails (1-8) in a sliding process.

4. The battery core module auxiliary upper cover clamp of claim 3, wherein the clamp support plates (1-7) are mounted on sliders of the linear guide rails (1-8), and the clamp support plates (1-7) can slide back and forth through the sliders of the linear guide rails (1-8).

5. The battery cell module auxiliary upper cover clamp of claim 4, wherein two linear bearings (1-6) are respectively fixed on two sides of the clamp support plate (1-7).

6. The battery cell module auxiliary upper cover clamp of claim 5, wherein two guide rods (1-11) are respectively installed at the inner sides of the linear bearings (1-6), two fixing rings (1-5) are respectively fixed on the two guide rods (1-11), and the fixing rings (1-5) play a role in limiting during the up-and-down sliding process of the guide rods (1-11) in the linear bearings (1-6).

7. The auxiliary upper cover clamp for the battery cell module according to claim 6, wherein threaded holes are respectively drilled in the upper end surface and the lower end surface of each guide rod (1-11), guide rod connecting rods (1-13) are fixed at the upper ends of the two guide rods (1-11), and the guide rod connecting rods (1-13) ensure the synchronism and stability of the guide rods (1-11) on the two sides in the up-and-down sliding process in linear bearings (1-6); the other ends of the guide rods (1-11) at the two sides are connected with a clamp bottom plate (2-1) of the clamp mechanism (2); the clamp mechanism (2) can realize free adjustment in the height direction and the horizontal direction through the guide rods (1-11), the linear bearings (1-6), the clamp supporting plates (1-7), the linear guide rails (1-8) and the slide rail fixing plates (1-10) under the tension of the spring balancers (1-4), and the position of the clamp mechanism (2) can be automatically adjusted according to the position of the battery cell module on the production line body, so that the clamp mechanism (2) can be rapidly positioned.

8. The battery cell module auxiliary upper cover clamp of claim 7, wherein the profile support (1-14) is formed by splicing aluminum profiles, built-in connecting pieces are used for connecting and die-casting corner groove connecting pieces, and the rigidity of the profile support (1-14) is enhanced through the profile corner connectors (1-3) and the 90-degree corner connectors (1-12), so that the profile support (1-14) is ensured to support the whole clamp mechanism (2); the caster mounting plates (1-15) are fixed below the profile supports (1-14), the casters (1-16) and the foot cups (1-18) are fixed on the caster mounting plates (1-15), and the foot fixing plates (1-17) are fixed on the outer sides of the reinforced profile supports (1-14); when the installation position is not confirmed, the device can be transported through the caster wheels (1-16); after the installation position of the device is determined, the foot cups (1-18) can be adjusted, and foundation bolts are arranged on the foot fixing plates (1-17) to fix the device.

9. The battery cell module auxiliary upper cover fixture according to claim 8, wherein a fixture lifting ring (2-2) is fixed on the fixture bottom plate (2-1), the fixture lifting ring (2-2) is connected with a draw hook on a spring balancer (1-4), and the fixture mechanism (2) can be constantly kept in a balanced state in a height direction by adjusting the tension of the spring balancer (1-4); the reinforcing ribs (2-4) are fixed on the clamp bottom plate (2-1) and used for reinforcing the rigidity of the battery cell module auxiliary upper cover clamp; the linear slide rail (2-3) is arranged on the lower side of the clamp bottom plate (2-1); the push plates (2-15) and the positioning plates (2-18) are composed of aluminum splicing pieces, and the insides of the push plates and the positioning plates are fixed by bolts and pins; five rubber cushion blocks (2-19) are respectively arranged on the push plates (2-15) and the positioning plates (2-18); the positioning plates (2-18) are fixed on the clamp bottom plate (2-1) and are fastened and connected by pins, the push plates (2-15) are installed on the sliding blocks of the linear sliding rails (2-3), and the linear sliding rail limiting plates (2-16) are fixed on the clamp bottom plate (2-1) to prevent the sliding blocks of the linear sliding rails (2-3) from being separated from the guide rails in the sliding process of the push plates (2-15); the lead screw nut bracket (2-8) is fixed on the push plate (2-15), and the lead screw nut (2-10) is fixed on the lead screw nut bracket (2-8).

10. The battery cell module auxiliary upper cover clamp of claim 9, wherein the first lead screw support (2-7) and the second lead screw support (2-12) are fixed on the clamp bottom plate (2-1); the trapezoidal screw (2-11) is sequentially connected with the first screw support (2-7), the second screw support (2-12) and the screw nut (2-10), trapezoidal threads are tapped on the trapezoidal screw (2-11) and are consistent with those on the screw nut (2-10), and further the rotation of the trapezoidal screw (2-11) can drive the screw nut (2-10), the screw nut support (2-8) and the push plate (2-15) to horizontally move; the end face of the trapezoidal screw rod (2-11) is provided with a threaded hole; the screw rod connector (2-13) is fixed at one end of the trapezoidal screw rod (2-11), the wrench (2-17) is sleeved on the screw rod connector (2-13), the connector limiting plate (2-14) is fixed at the end face of the trapezoidal screw rod (2-11), and the wrench (2-17) and the screw rod connector (2-13) are prevented from being separated from the trapezoidal screw rod (2-11); by twisting the wrench (2-17), the torque force on the wrench (2-17) is transmitted to the trapezoidal screw rod (2-11) through the screw rod connector (2-13), so that the trapezoidal screw rod (2-11) rotates, and trapezoidal threads on the trapezoidal screw rod (2-11) are meshed with trapezoidal threads on the screw rod nut (2-10) to drive the screw rod nut (2-10), the screw rod nut bracket (2-8) and the push plate (2-15) to move horizontally; one end, in contact with a module U shell (2-9), of the battery cell module (2-6) is in contact with a rubber cushion block (2-19) on a positioning plate (2-18), the wrench (2-17) is twisted, the rubber cushion block (2-19) of the push plate (2-15) horizontally moves to be in contact with the other end of the module U shell (2-9), so that the clamp mechanism (2) clamps the module U shell (2-9) of the battery cell module (2-6), the force of the push plate (2-15) in the horizontal direction is increased along with the increase of the force of twisting the wrench (2-17), the module U shell (2-9) deforms inwards under the action of the force of the push plate (2-15), and the module U shell (2-9) deforms inwards, so that the module upper cover (2-5) is clamped above the module U shell (2-9); after the operation of the upper cover is completed, the wrench (2-17) is reversely twisted to enable the clamp mechanism (2) to loosen the battery cell module (2-6), then under the guiding action of the pulling force of the spring balancer (1-4) and the vertical direction of the guide rod (1-11) and the linear bearing (1-6), the clamp mechanism (2) moves upwards, and the battery cell module (2-6) on the production line body flows to the next station.

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