CN219553702U - Multilayer seamless clamping and handing-over hot press - Google Patents

Abstract

The utility model relates to the technical field of hot pressing equipment, in particular to a multi-layer seamless clamping and handing-over hot press, which comprises a frame, a lifting plate, a hot pressing driving mechanism, a plurality of hot pressing mechanisms, a plurality of movable plates, a plurality of film pressing mechanisms and a plurality of gravity counteracting telescopic mechanisms, wherein the frame is provided with a hot pressing cavity; the hot pressing mechanism comprises a base body, two fixed hot pressing tables, a movable hot pressing table, a lifting driving piece and a caulking film, wherein two sides of the caulking film are respectively connected with the base body through the movable driving piece. The utility model can carry out seamless hot-pressing treatment on a plurality of electric cores at one time, and the joint filling film can not interfere with the material taking and placing mechanical arm, thereby being convenient for the material taking and placing mechanical arm to take the electric cores, and the electric cores can not relax to generate offset in the process of taking the electric cores, and the electric cores have good stability and high position precision.

Description

Multilayer seamless clamping and handing-over hot press

Technical Field

The utility model relates to the technical field of hot pressing equipment, in particular to a multi-layer seamless clamping and handing-over hot press.

Background

The battery mainly comprises an electric core and a shell, and the quality of the electric core directly determines the quality of the battery. Because the positive electrode plate, the negative electrode plate and the diaphragm are assembled and manufactured into the basic battery cell in a winding or lamination mode, a larger gap is generated between the positive electrode plate, the negative electrode plate and the diaphragm, air is mixed, the consistency of the thickness of the battery cell is difficult to ensure, and the quality of the battery cell is also difficult to ensure, so that after the battery cell is initially assembled and molded, the battery cell needs to be subjected to hot pressing treatment so as to overcome the defects.

In order to improve the efficiency of hot-press core, I's application number CN202210986375.4 is filed on day 8 and 17 in 2022, I disclose a multilayer hot-press equipment, it can once only carry out hot-press treatment to a plurality of electric cores, the efficiency of hot pressing has been improved, and the activity hot-press assembly can lift up the electric core, the protection pad plays the effect of caulking in hot-press treatment process, but when the middle part of protection pad is lifted (bulge) with the activity hot-press assembly to the protection pad, the protection pad is located the membrane section that can form the slope of both sides of activity hot-press assembly, the membrane section that inclines can't provide the space of dodging for getting the material end of getting the blowing manipulator, get the blowing manipulator and interfere with this slope membrane section easily, be unfavorable for getting the blowing manipulator and get the discharge core steadily, and when getting discharge core or hot-press electric core, the stability of electric core is in loose state, the position offset easily produces.

Thus, the drawbacks are quite apparent and there is a need to provide a solution.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a multi-layer seamless clamping and connecting hot press.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a multilayer seamless clamping handing-over hot press, which comprises a frame, the lifter plate, hot pressing driving mechanism, a plurality of hot pressing mechanism, a plurality of fly leaf, a plurality of press mold mechanism and a plurality of gravity offset telescopic machanism, the frame is provided with the hot pressing chamber, lifter plate and a plurality of fly leaf arrange from top to bottom and distribute in the hot pressing chamber, lifter plate and fly leaf all are connected with the frame sliding connection, two adjacent fly leaves are connected via gravity offset telescopic machanism, the top of frame is connected with adjacent fly leaf via gravity offset telescopic machanism, hot pressing driving mechanism sets up in the bottom of frame, the hot pressing end and the lifter plate drive of hot pressing driving mechanism are connected, the press mold mechanism has all been installed at lifter plate, the side that the lifter plate is close to the fly leaf, the both sides face of fly leaf and the top of hot pressing chamber have all installed the hot pressing mechanism, two press mold ends of every press mold mechanism are located the both sides of corresponding hot pressing mechanism; the hot pressing mechanism comprises a base body, two fixed hot pressing tables fixedly arranged on the base body, a movable hot pressing table arranged between the two fixed hot pressing tables in a lifting manner, lifting driving parts which are in driving connection with two ends of the movable hot pressing table, and joint sealing films which are covered on hot pressing surfaces of the movable hot pressing table and hot pressing surfaces of the two fixed hot pressing tables, wherein two sides of the joint sealing films are respectively connected with the base body through the movable driving parts; when the battery core is hot-pressed, the hot-pressing surface of the dynamic hot-pressing table is flush with the hot-pressing surfaces of the two fixed hot-pressing tables; when the blanking battery cell is connected, the movable hot pressing table protrudes out of the two fixed hot pressing tables, the movable hot pressing tables drive the middle parts of the caulking films to bulge, the movable hot pressing tables of the two opposite hot pressing mechanisms clamp the battery cell, and the two film pressing ends of the film pressing mechanisms respectively laterally press the corresponding film sections of the caulking films located on the two sides of the movable hot pressing tables.

Further, the gravity counteracting telescopic mechanism comprises at least two groups of gravity counteracting cylinders; the two ends of the gravity counteracting cylinder are fixedly connected with the two adjacent movable plates respectively, or the two ends of the gravity counteracting cylinder are fixedly connected with the top of the frame and the two adjacent movable plates respectively.

Further, the hot pressing driving mechanism comprises a hot pressing driver arranged at the bottom of the frame and a collision block arranged at one side of the lifting plate away from the movable plate, and the driving end of the hot pressing driver is used for being in driving connection with the collision block.

Further, the hot pressing driving mechanism further comprises an adjusting cylinder arranged on the lifting plate, the abutting blocks are arranged on the bottom surface of the lifting plate in a sliding mode, and the adjusting cylinder is used for driving the abutting blocks to reciprocate.

Further, the lifting plate is provided with a sliding rail, the sliding rail is connected with a sliding plate in a sliding manner, a lifting space is formed between the sliding plate and the lifting plate, a through hole communicated with the lifting space is formed in the sliding plate, a collision block penetrates through the hole, the top end of the collision block is provided with a limiting plate, the limiting plate is positioned in the lifting space, the collision block is provided with a connecting plate, the connecting plate is positioned below the sliding plate, and the connecting plate is elastically connected with the sliding plate through a spring; the piston rod of the adjusting cylinder is fixedly connected with the sliding plate.

Further, the film pressing mechanism comprises two sets of film pressing pieces and film pressing drivers, wherein the two sets of film pressing pieces are oppositely arranged, the film pressing drivers are used for driving the two sets of film pressing pieces to be close to or far away from the dynamic hot pressing table, and the two sets of film pressing pieces are respectively used for applying pressing force to film sections positioned on two sides of the dynamic hot pressing table.

Further, the movable plate, the lifting plate or/and the inner wall of the hot pressing cavity are provided with sensors.

Further, the multi-layer seamless clamping and handing-over hot press further comprises a material taking and placing manipulator movably arranged outside the frame, and a plurality of material taking and placing ends of the material taking and placing manipulator can respectively protrude between two adjacent hot pressing mechanisms.

Further, the material taking and placing manipulator comprises a movable plate movably arranged outside the frame and a plurality of material clamping mechanisms arranged on the movable plate, the material clamping mechanisms are arranged from top to bottom along the movable plate, and the material clamping end of each material clamping mechanism can protrude between two adjacent corresponding hot pressing mechanisms.

Further, the clamping mechanism comprises a clamping driver arranged on the moving plate and two clamping pieces respectively arranged at two clamping ends of the clamping driver, the clamping pieces are provided with a clamping avoiding space, and the clamping avoiding space provides an avoiding space for the dynamic hot pressing table.

The utility model has the beneficial effects that: in practical application, the telescopic ends of the plurality of gravity counteraction telescopic mechanisms are in an extending state, so that the two adjacent hot pressing mechanisms are in an opening state, the gravity counteraction telescopic mechanisms counteract the total weight of the corresponding movable plates or lifting plates, lifting driving parts of the hot pressing mechanisms drive the movable hot pressing tables connected with the movable hot pressing mechanisms to protrude out of the two fixed hot pressing tables, the movable hot pressing tables protrude out of the accommodating grooves, the middle parts of the joint filling films are driven to bulge outwards, as two sides of the joint filling films with the bulge in the middle parts can form inclined film sections between the sides of the hot pressing surfaces of the movable hot pressing tables and the outer sides of the hot pressing surfaces of the fixed hot pressing tables, the two film pressing ends of the corresponding joint filling films are respectively applied with pressing force to the film sections on the two sides of the movable hot pressing tables, the film sections bend towards the included angle positions of the movable hot pressing tables and the fixed hot pressing tables, the two side film sections of the two adjacent hot pressing mechanisms form four material taking-off positions, the material taking-off positions are used for providing space for the material taking-off ends of the material taking-off mechanical arm, the two sides of the joint filling films can move towards the top of the machine frame, the two adjacent hot pressing mechanisms move towards the two sides of the movable hot pressing tables, the two adjacent hot pressing film pressing mechanisms move towards the top of the movable hot pressing tables, the two adjacent hot pressing mechanisms move towards the movable hot pressing mechanism, the two sides of the movable hot pressing mechanism move towards the top of the movable pressing mechanism, the movable pressing mechanism is moved towards the upper pressing mechanism, and the upper pressing mechanism is released towards the top of the movable pressing mechanism, and the upper pressing mechanism is realized, and the opposite to move the movable pressing ends of the movable pressing mechanism is moved towards the upper and is released by the upper and is released, the telescopic ends of the gravity counteracting telescopic mechanisms synchronously shrink, and the lifting driving piece gradually drives the movable hot pressing table to move into the accommodating groove between the two fixed hot pressing tables until the hot pressing surfaces of the movable hot pressing table are flush with the hot pressing surfaces of the two fixed hot pressing tables, so that the hot pressing surfaces of the two adjacent hot pressing mechanisms are matched to carry out hot pressing treatment on the battery cells, the plurality of battery cells are subjected to hot pressing treatment at one time, and the efficiency of hot pressing treatment on the battery cells is improved; after the hot pressing is finished, the hot pressing driving mechanism releases the upward acting force on the lifting plate, the gravity counteracts the expansion end of the expansion mechanism to gradually stretch, so that the lifting plate and the movable plates are far away from each other and move, meanwhile, the lifting driving piece gradually drives the hot pressing table to move out of the accommodating grooves of the two hot pressing tables, so that the hot pressing tables protrude out of the two hot pressing tables, at the moment, the electric core is clamped by the two hot pressing tables, the two sides of the electric core are separated from the hot pressing tables, then the film pressing end of the film pressing mechanism applies pressing force to the inclined film section of the corresponding joint sealing film, the inclined film section inwards bends to form a material taking and placing avoidance position, then the material taking and placing end of the material taking and placing manipulator moves into the material taking and placing avoidance position, the electric core after the hot pressing treatment is clamped, finally, the gravity counteracts the expansion end of the expansion mechanism to continuously stretch until the two hot pressing tables release the electric core, and at the moment, the material taking and placing end of the material taking and placing manipulator moves out of the material taking and placing avoidance position, so that the material taking and placing of the electric core after the hot pressing treatment is realized. In the process, the gap filling film covers the dynamic hot pressing table and the two fixed hot pressing tables, so that the surface of the battery cell subjected to hot pressing treatment is prevented from generating an indentation due to a gap between the dynamic hot pressing table and the fixed hot pressing tables, seamless hot pressing is realized, and the quality of the battery cell hot pressing treatment is improved; in addition, a pressing force is applied to the film section of the corresponding joint filling film through the film pressing mechanism, so that the film section of the joint filling film forms a material taking and placing avoiding position, interference between the film section of the joint filling film and a material taking and placing end of a material taking and placing manipulator is avoided, the material taking and placing manipulator is ensured to stably take a discharge core, and when a battery cell is fed, after the battery cell is clamped by the two movable hot pressing tables, the battery cell is released by the material taking and placing manipulator; when the battery cells are discharged, after the battery cells are clamped by the material taking and discharging mechanical arm, the battery cells are loosened by the two movable hot pressing tables, so that stable connection of the battery cells is realized. According to the utility model, seamless hot-pressing treatment can be carried out on a plurality of electric cores at one time, so that the hot-pressing treatment efficiency of the electric cores is improved, the electric cores are lifted by the hot-pressing table, the stripping of the electric cores is facilitated, the joint filling film cannot interfere with the material taking and discharging mechanical arm, so that the material taking and discharging mechanical arm is facilitated to take the electric cores, the electric cores cannot relax to generate deflection in the process of taking the electric cores, the electric cores are good in stability and high in position precision, the stability and the position precision of the electric cores are improved, the influence of gravity is eliminated in hot-pressing, the hot-pressing force of each electric core is consistent, and the quality of the hot-pressing electric cores is improved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of a partial structure of the present utility model.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a schematic perspective view of a pick-and-place manipulator, a sensor, a gravity counteracting telescopic mechanism, a movable plate, a hot pressing mechanism and a film pressing mechanism.

Fig. 5 is a schematic perspective view of the movable plate, the hot pressing mechanism and the film pressing mechanism of the present utility model.

Fig. 6 is a schematic perspective view of the hot press mechanism, the film pressing mechanism and the sensor according to the present utility model.

Fig. 7 is a schematic perspective view of a picking and placing manipulator according to the present utility model.

Reference numerals illustrate:

1. a frame; 11. a hot pressing cavity; 2. a lifting plate; 3. a hot-pressing driving mechanism; 30. a spring; 31. a hot press driver; 32. a collision block; 33. adjusting a cylinder; 34. a slide rail; 35. a slide plate; 36. a lifting space; 37. a via hole; 38. a limiting plate; 39. a connecting plate; 4. a hot pressing mechanism; 41. a base; 42. a fixed hot press table; 43. a dynamic hot pressing table; 44. a lifting driving member; 45. a caulking film; 46. a movable driving member; 47. a membrane section; 5. a movable plate; 6. a film pressing mechanism; 61. film pressing pieces; 62. a film pressing driver; 7. gravity counteracts the telescopic mechanism; 71. a gravity cancellation cylinder; 8. a sensor; 9. taking and placing a manipulator; 91. a moving plate; 92. a clamping mechanism; 93. a clamping driver; 94. a clamping piece; 95. a clamping avoiding space; 96. taking and placing materials to avoid the abdication.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1 to 7, the multi-layer seamless clamping and handover hot press provided by the utility model comprises a frame 1, a lifting plate 2, a hot pressing driving mechanism 3, a plurality of hot pressing mechanisms 4, a plurality of movable plates 5, a plurality of film pressing mechanisms 6 and a plurality of gravity counteracting telescopic mechanisms 7, wherein the frame 1 is provided with a hot pressing cavity 11, the lifting plate 2 and the movable plates 5 are arranged and distributed in the hot pressing cavity 11 from top to bottom, the lifting plate 2 and the movable plates 5 are both in sliding connection with the frame 1, the two adjacent movable plates 5 are connected through the gravity counteracting telescopic mechanisms 7, the top of the frame 1 is connected with the adjacent movable plates 5 through the gravity counteracting telescopic mechanisms 7, the hot pressing driving mechanism 3 is arranged at the bottom of the frame 1, the hot pressing ends of the hot pressing driving mechanism 3 are in driving connection with the lifting plate 2, the movable plates 5 and the tops of the hot pressing cavity 11 are both sides of the lifting plate 2 close to the movable plates 5, and the tops of the hot pressing cavity 11 are both sides of the two film pressing mechanisms 4 of each of the corresponding hot pressing mechanisms 4; the hot pressing mechanism 4 comprises a base 41, two fixed hot pressing tables 42 fixedly arranged on the base 41, a movable hot pressing table 43 arranged between the two fixed hot pressing tables 42 in a lifting manner, lifting driving members 44 which are in driving connection with two ends of the movable hot pressing table 43, and a caulking film 45 which covers the hot pressing surfaces of the movable hot pressing table 43 and the hot pressing surfaces of the two fixed hot pressing tables 42, wherein two sides of the caulking film 45 are respectively connected with the base 41 through movable driving members 46; a containing groove for containing the dynamic hot pressing table 43 is formed between the two fixed hot pressing tables 42; when the battery cells are hot-pressed, the hot-pressing surfaces of the dynamic hot-pressing table 43 are flush with the hot-pressing surfaces of the two fixed hot-pressing tables 42; when the blanking electric core is delivered, the movable hot pressing tables 43 extend out of the two fixed hot pressing tables 42, the movable hot pressing tables 43 drive the middle parts of the gap filling films 45 to bulge, the movable hot pressing tables 43 of the two opposite hot pressing mechanisms 4 clamp the electric core, and the two film pressing ends of the film pressing mechanism 6 respectively press the film sections 47 of the corresponding gap filling films 45 positioned on the two sides of the movable hot pressing tables 43 laterally; each gravity counteracting telescopic mechanism 7 is used for counteracting the total weight of the corresponding movable plate 5, and the telescopic ends of the gravity counteracting telescopic mechanisms 7 are telescopic so as to be capable of driving the corresponding movable plate 5 to lift. In this embodiment, the multi-layer seamless clamping and handover hot press further includes a material taking and placing manipulator 9 movably disposed outside the frame 1, where multiple material taking and placing ends of the material taking and placing manipulator 9 can respectively protrude between two adjacent hot pressing mechanisms 4; specifically, the gap filling film 45 can be made of an anti-sticking film, and the anti-sticking film is made of an anti-sticking material, so that the battery cell after hot pressing is prevented from being adhered to the gap filling film 45, and the discharging core is conveniently taken by the material taking and placing manipulator 9.

In practical application, the expansion ends of the gravity counteracting expansion mechanisms 7 are in an expansion state, so that the two adjacent hot pressing mechanisms 4 are in an open state, the gravity counteracting expansion mechanisms 7 counteract the total weight of the corresponding movable plate 5 or lifting plate 2, the lifting driving piece 44 of the hot pressing mechanism 4 drives the movable hot pressing table 43 connected with the gravity counteracting expansion mechanisms to protrude out of the two fixed hot pressing tables 42, so that the movable hot pressing table 43 protrudes out of the accommodating groove and drives the middle part of the caulking film 45 to bulge outwards, as two sides of the caulking film 45 with the bulge at the middle part can form inclined film sections 47 between the side edges of the hot pressing surface of the movable hot pressing table 43 and the outer side edge of the hot pressing surface of the fixed hot pressing table 42, the two film sections 47 of the corresponding caulking film 45 positioned at two sides of the movable hot pressing table 43 are respectively exerted with pressing forces by the two film pressing ends of the pressing film pressing mechanism 6, so that the film sections 47 are bent towards the included angle positions of the movable hot pressing table 43 and the fixed hot pressing table 42, the film section 47 is bent, the film sections 47 on the two sides of the joint filling film 45 of the two adjacent hot pressing mechanisms 4 form four material taking and placing avoidance positions 96, the material taking and placing avoidance positions 96 are used for providing avoidance space for the material taking and placing ends of the material taking and placing mechanical arm 9, the material taking and placing ends of the material taking and placing mechanical arm 9 clamp the battery cells and move into between the two adjacent hot pressing mechanisms 4, then the gravity counteracts the shrinkage of the telescopic ends of the telescopic mechanisms 7 until the movable hot pressing tables 43 of the two adjacent hot pressing mechanisms 4 cooperate to clamp the battery cells, at the moment, the material taking and placing ends of the material taking and placing mechanical arm 9 release the battery cells to realize the feeding of the battery cells to be hot pressed, and the material taking and placing ends of the material taking and placing mechanical arm 9 move out of the hot pressing mechanisms 4, the pressing force is not applied to the film section 47 of the joint filling film 45 at the moment, the film section 47 of the joint filling film 45 is restored to an inclined state, then the hot pressing driving mechanism 3 applies upward acting force to the lifting plate 2, the lifting plate 2 and the movable plates 5 are driven to move towards the direction close to the top of the frame 1, meanwhile, the telescopic ends of the gravity counteracting telescopic mechanisms 7 are synchronously contracted, the lifting driving piece 44 gradually drives the movable hot pressing table 43 to move into the accommodating groove between the two fixed hot pressing tables 42 until the hot pressing surfaces of the movable hot pressing table 43 are flush with the hot pressing surfaces of the two fixed hot pressing tables 42, so that the hot pressing surfaces of the two adjacent hot pressing mechanisms 4 are matched to carry out hot pressing treatment on the battery cells, the hot pressing treatment on the battery cells at one time is realized, and the efficiency of carrying out hot pressing treatment on the battery cells is improved; after the hot pressing is completed, the hot pressing driving mechanism 3 releases the upward acting force on the lifting plate 2, the gravity counteracts the expansion end of the expansion mechanism 7 to gradually stretch, so that the lifting plate 2 and the movable plates 5 are far away from each other and move, meanwhile, the lifting driving piece 44 gradually drives the hot pressing table 43 to move out of the accommodating grooves of the two hot pressing tables 42, so that the hot pressing table 43 protrudes out of the two hot pressing tables 42, at the moment, the electric core is clamped by the two hot pressing tables 43, the two sides of the electric core are separated from the hot pressing tables 42, then the pressing end of the pressing mechanism 6 applies pressing force to the inclined film section 47 of the corresponding caulking film 45, so that the inclined film section 47 is inwards bent to form a material taking and placing avoidance position 96, then the material taking and placing end of the material taking and placing manipulator 9 moves into the material taking and placing avoidance position 96, the electric core after the hot pressing treatment is clamped, and finally the gravity counteracts the expansion end of the expansion mechanism 7 to continue stretching until the two hot pressing tables 43 release the electric core, at the moment, the material taking and placing end of the material taking and the material taking manipulator 9 moves out of the electric core from the material taking avoidance position 96, and the material taking and placing of the electric core is subjected to realize the hot pressing. In the process, the gap filling film 45 covers the movable hot pressing table 43 and the two fixed hot pressing tables 42, so that the surface of the battery cell subjected to hot pressing treatment is prevented from generating an indentation due to a gap between the movable hot pressing table 43 and the fixed hot pressing tables 42, seamless hot pressing is realized, and the quality of the battery cell hot pressing treatment is improved; in addition, a pressing force is applied to the film section 47 of the corresponding gap filling film 45 through the film pressing mechanism 6, so that the film section 47 of the gap filling film 45 forms a material taking and placing avoiding position 96, interference between the film section 47 of the gap filling film 45 and a material taking and placing end of the material taking and placing manipulator 9 is avoided, the material taking and placing manipulator 9 is ensured to stably take a discharge core, and when a battery cell is fed, after the battery cell is clamped by the two movable hot pressing tables 43, the battery cell is released by the material taking and placing manipulator 9; when the battery cells are discharged, after the battery cells are clamped by the taking and discharging mechanical arm 9, the two dynamic hot pressing tables 43 loosen the battery cells to realize stable connection of the battery cells. According to the utility model, seamless hot-pressing treatment can be carried out on a plurality of electric cores at one time, so that the hot-pressing treatment efficiency of the electric cores is improved, the electric cores are lifted by the hot-pressing table 43, the stripping of the electric cores is facilitated, the gap filling film 45 cannot interfere with the material taking and discharging mechanical arm 9, the material taking and discharging mechanical arm 9 is facilitated to take the electric cores, the electric cores cannot relax to generate deflection in the process of taking the electric cores, the electric cores are good in stability and high in position precision, the stability and the position precision of the electric cores are improved, the influence of gravity is eliminated in hot-pressing, the hot-pressing force of each electric core is consistent, and the quality of the hot-pressed electric cores is improved.

In this embodiment, the gravity cancellation telescopic mechanism 7 includes at least two sets of gravity cancellation cylinders 71; the two ends of the gravity counteracting cylinder 71 are fixedly connected with the two adjacent movable plates 5 respectively, or the two ends of the gravity counteracting cylinder 71 are fixedly connected with the top of the frame 1 and the adjacent movable plates 5 respectively. In practical use, the gravity canceling cylinder 71 can cancel not only the total weight of the movable plate 5 or the lifting plate 2, but also drive the movable plate 5 and the lifting plate 2 to move up and down so that the lifting plate 2 and the plurality of movable plates 5 can be brought close to or spread out from each other.

In this embodiment, the hot pressing driving mechanism 3 includes a hot pressing driver 31 installed at the bottom of the frame 1 and a collision block 32 disposed at one side of the lifting plate 2 away from the movable plate 5, where the driving end of the hot pressing driver 31 is in driving connection with the collision block 32, and the collision block 32 is in collision with the driving end of the hot pressing driver 31; preferably, the hot press driver 31 may employ a linear driving module. In practical application, when heat pressure needs to be applied, the driving end of the hot pressing driver 31 abuts against the abutting block 32 and applies hot pressing force to the abutting block 32, and the hot pressing force on the abutting block 32 is transferred through the lifting plate 2 and the plurality of movable plates 5, so as to realize hot pressing treatment on the plurality of electric cores.

In this embodiment, the hot pressing driving mechanism 3 further includes an adjusting cylinder 33 mounted on the lifting plate 2, the abutting block 32 is slidably disposed on the bottom surface of the lifting plate 2, and the adjusting cylinder 33 is used for driving the abutting block 32 to reciprocate. In practical application, when the telescopic end of the gravity counteracting telescopic mechanism 7 is contracted to the movable hot pressing tables 43 of the two adjacent hot pressing mechanisms 4 to clamp the electric core, the adjusting cylinder 33 drives the abutting block 32 to move close to the driving end of the hot pressing driver 31 until the abutting block 32 moves to a position right above the driving end of the hot pressing driver 31, and at this time, the hot pressing driver 31 can apply a heat pressure to the abutting block 32. When two adjacent hot pressing mechanisms 4 are in an open state, the abutting block 32 is positioned at the driving end side of the hot pressing driver 31, and the structure is compact. This structural design has improved the flexibility of conflict piece 32, not only can reduce the volume of this machine, has still shortened the required hot pressing drive stroke of hot pressing driver 31, has improved the efficiency of production.

In this embodiment, the lifting plate 2 is provided with a sliding rail 34, the sliding rail 34 is slidably connected with a sliding plate 35, a lifting space 36 is formed between the sliding plate 35 and the lifting plate 2, a via hole 37 communicated with the lifting space 36 is formed in the sliding plate 35, a supporting block 32 penetrates through the hole 37, a limiting plate 38 is provided at the top end of the supporting block 32, the limiting plate 38 is located in the lifting space 36, the supporting block 32 is provided with a connecting plate 39, the connecting plate 39 is located below the sliding plate 35, and the connecting plate 39 is elastically connected with the sliding plate 35 via a spring 30; the piston rod of the adjusting cylinder 33 is fixedly connected with the slide plate 35, and the cylinder body of the adjusting cylinder 33 is arranged on the lifting plate 2.

At normal state, the connecting plate 39 is in contact with the bottom wall of the lifting space 36 so as to hang the contact block 32 on the sliding plate 35, when the adjusting cylinder 33 drives the sliding plate 35 to reciprocate relative to the sliding rail 34, the sliding plate 35 drives the contact block 32 to reciprocate, at this time, because a gap is reserved between the top surface of the limiting plate 38 and the bottom surface of the lifting plate 2, the limiting plate 38 cannot be in contact with the lifting plate 2 in the reciprocation process of the sliding plate 35 and the contact block 32, and abrasion and friction resistance are small, so that the sliding plate 35 and the contact block 32 move more smoothly. When the conflict piece 32 is located the driving end of hot press driver 31 directly over, hot pressing driver 31's drive end is to conflict piece 32 application hot pressure, and conflict piece 32 receives ascending hot pressure back, and conflict piece 32 can upwards move, until conflict piece 32 conflict with lifter plate 2 and with hot pressing force transfer to fly leaf 5 on to make a plurality of electric cores can be handled by hot pressing, when hot press driver 31's drive end and conflict piece 32 contact, spring 30 plays the effect of elastic buffering, avoids hot press driver 31's drive end to take place hard impact collision with conflict piece 32, plays buffering protection and shock attenuation noise reduction's effect.

Specifically, the driving end of the hot pressing driver 31 protrudes into the hot pressing cavity 11, the bottom wall of the hot pressing cavity 11 is provided with a containing hole, and the containing hole is positioned at one side of the driving end of the hot pressing driver 31 and can be used for inserting the bottom of the abutting block 32; the accommodating hole is used for accommodating the abutting block 32, so that the abutting block 32 and the frame 1 are more compact in structure, and the size of the machine is further reduced; specifically, the accommodating hole is a blind hole, and the bottom wall of the accommodating hole is abutted against the bottom end surface of the abutting block 32, so as to support the abutting block 32 and reduce the load required to be carried by the movable plate 5.

In this embodiment, the film pressing mechanism 6 includes two sets of film pressing members 61 disposed opposite to each other and a film pressing driver 62 for driving the two sets of film pressing members 61 to approach or separate from the moving platen 43, where the two sets of film pressing members 61 are respectively used for applying pressing forces to the film segments 47 located on both sides of the moving platen 43. In practical application, when a pressing force is applied to the inclined film sections 47 of the caulking film 45, the film pressing driver 62 drives the two sets of film pressing members 61 to move close to each other until the two sets of film pressing members 61 press the two side film sections 47 of the caulking film 45, so that the inclined film sections 47 are bent inwards and form a material taking and discharging avoidance position 96, and an avoidance space is provided for the material taking and discharging end of the material taking and discharging manipulator 9.

Preferably, the film pressing driver 62 includes two sets of film pressing driving components, the two sets of film pressing driving components are respectively arranged in one-to-one correspondence with the two sets of film pressing members 61, the film pressing driving components include a film pressing transverse moving cylinder installed on the inner wall of the movable plate 5, the lifting plate 2 or the hot pressing cavity 11 and a film pressing lifting cylinder connected with a piston rod of the film pressing transverse moving cylinder, the film pressing members 61 are connected with the piston rod of the film pressing lifting cylinder, and the film pressing transverse moving cylinder is used for driving the film pressing lifting cylinder to drive the film pressing members 61 to be close to or far away from the movable hot pressing table 43. In practical application, the film pressing and traversing cylinder drives the film pressing and lifting cylinder to move along with the film pressing piece 61 close to the dynamic hot pressing table 43 until the film pressing piece 61 applies a pressing force to the inclined film section 47 of the caulking film 45 so that the film section 47 is bent inwards. The film pressing traversing cylinder drives the film pressing member 61 to move away from the dynamic hot pressing table 43, so that the film pressing member 61 releases the film section 47 of the caulking film 45, and the bent film section 47 is reset into the inclined film section 47 under the action of the movable driving member 46. According to actual demand, the film pressing lifting cylinder drives the film pressing piece 61 to lift so as to adjust the height position of the film pressing piece 61, improve the flexibility of the film pressing piece 61 and facilitate adjustment.

Preferably, the lifting driving member 44 includes two sets of lifting driving cylinders, and piston rods of the two sets of lifting driving cylinders are respectively connected with two ends of the dynamic hot pressing table 43. In practical application, two groups of lifting driving cylinders work synchronously, and piston rods of the two groups of lifting driving cylinders extend simultaneously to drive the dynamic hot pressing table 43 to protrude out of the two fixed hot pressing tables 42; when the pressing force of the two hot pressing tables 43 driven by the hot pressing driving mechanism 3 is larger than the acting force of the lifting driving cylinder, the piston rods of the lifting driving cylinder are gradually compressed, so that the hot pressing tables 43 gradually move into the accommodating groove between the two fixed hot pressing tables 42 until the hot pressing surfaces of the hot pressing tables 43 are level with the hot pressing surfaces of the fixed hot pressing tables 42, and the hot pressing surfaces of the two adjacent hot pressing mechanisms 4 perform hot pressing treatment on the electric core.

In the embodiment, a sensor 8 is arranged on the inner wall of the movable plate 5, the lifting plate 2 or/and the hot pressing cavity 11; specifically, the sensor 8 employs a correlation photoelectric sensor. The sensor 8 is used for detecting whether a battery cell exists between two adjacent hot pressing mechanisms 4, the battery cell is clamped, the machine can perform hot pressing work, the battery cell is automatically detected, the detection is accurate and sensitive, and the working stability of the machine is improved.

In this embodiment, the material taking and placing manipulator 9 includes a moving plate 91 movably disposed outside the frame 1 and a plurality of material clamping mechanisms 92 disposed on the moving plate 91, where the plurality of material clamping mechanisms 92 are arranged from top to bottom along the moving plate 91, and a material clamping end of each material clamping mechanism 92 can protrude between two adjacent corresponding hot pressing mechanisms 4; the moving plate 91 is drivingly connected to a moving drive mechanism.

In practical application, when two adjacent hot pressing mechanisms 4 are in an open state, the plurality of clamping mechanisms 92 respectively clamp the battery cells, the moving driving mechanism drives the moving plate 91 to move between the two adjacent hot pressing tables 43 together with the plurality of clamping mechanisms 92 and the clamped battery cells, meanwhile, the inclined film section 47 is pressed and bent, then the two adjacent hot pressing tables 43 are matched to clamp the battery cells, the clamping mechanisms 92 can release the battery cells, and the moving driving mechanism drives the moving plate 91 to move out together with the plurality of clamping mechanisms 92, so that stable cross-connection feeding of the battery cells is realized; otherwise, stable handover blanking of the battery cells can be realized.

In this embodiment, the material clamping mechanism 92 includes a material clamping driver 93 mounted on the moving plate 91 and two material clamping members 94 respectively mounted on two material clamping ends of the material clamping driver 93, where the material clamping members 94 are provided with a material clamping avoiding space 95, and the material clamping avoiding space 95 provides an avoiding space for the dynamic hot pressing table 43; the take and place avoidance position 96 provides an avoidance space for the clamping member 94.

In practice, the clamping driver 93 drives the two clamping members 94 toward and away from each other to clamp or unclamp the cells. In the process of taking the discharge core, the material clamping avoidance space 95 provides an avoidance space for the dynamic hot pressing table 43, and the two material taking and discharging avoidance positions 96 provide avoidance spaces for one material clamping piece 94, so that the material clamping mechanism 92 can stably deliver the electric core, and interference and the like with the hot pressing mechanism 4 can not occur.

Specifically, the movable driving member 46 may employ a tension spring.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims (10)

1. A seamless clamp handing-over hot press of multilayer, its characterized in that: the hot pressing machine comprises a frame, a lifting plate, a hot pressing driving mechanism, a plurality of hot pressing mechanisms, a plurality of movable plates, a plurality of film pressing mechanisms and a plurality of gravity counteracting telescopic mechanisms, wherein the frame is provided with a hot pressing cavity, the lifting plate and the movable plates are distributed in the hot pressing cavity from top to bottom, the lifting plate and the movable plates are both in sliding connection with the frame, the two adjacent movable plates are connected with the adjacent movable plates through the gravity counteracting telescopic mechanisms, the top of the frame is connected with the adjacent movable plates through the gravity counteracting telescopic mechanisms, the hot pressing driving mechanism is arranged at the bottom of the frame, the hot pressing ends of the hot pressing driving mechanism are in driving connection with the lifting plate, the film pressing mechanisms are respectively arranged at the tops of the lifting plate, the movable plates and the hot pressing cavity, the hot pressing mechanisms are respectively arranged at one side surface of the lifting plate, two side surfaces of the movable plates and the top of the hot pressing cavity, and two film pressing ends of each film pressing mechanism are positioned at two sides of the corresponding hot pressing mechanism; the hot pressing mechanism comprises a base body, two fixed hot pressing tables fixedly arranged on the base body, a movable hot pressing table arranged between the two fixed hot pressing tables in a lifting manner, lifting driving parts which are in driving connection with two ends of the movable hot pressing table, and joint sealing films which are covered on hot pressing surfaces of the movable hot pressing table and hot pressing surfaces of the two fixed hot pressing tables, wherein two sides of the joint sealing films are respectively connected with the base body through the movable driving parts; when the battery core is hot-pressed, the hot-pressing surface of the dynamic hot-pressing table is flush with the hot-pressing surfaces of the two fixed hot-pressing tables; when the blanking battery cell is connected, the movable hot pressing table protrudes out of the two fixed hot pressing tables, the movable hot pressing tables drive the middle parts of the caulking films to bulge, the movable hot pressing tables of the two opposite hot pressing mechanisms clamp the battery cell, and the two film pressing ends of the film pressing mechanisms respectively laterally press the corresponding film sections of the caulking films located on the two sides of the movable hot pressing tables.

2. The multi-layer seamless clamping and cross-connecting hot press according to claim 1, wherein: the gravity counteracting telescopic mechanism comprises at least two groups of gravity counteracting air cylinders; the two ends of the gravity counteracting cylinder are fixedly connected with the two adjacent movable plates respectively, or the two ends of the gravity counteracting cylinder are fixedly connected with the top of the frame and the two adjacent movable plates respectively.

3. The multi-layer seamless clamping and cross-connecting hot press according to claim 1, wherein: the hot pressing driving mechanism comprises a hot pressing driver arranged at the bottom of the frame and a collision block arranged at one side of the lifting plate away from the movable plate, and the driving end of the hot pressing driver is used for being in driving connection with the collision block.

4. A multi-layer seamless clamping interface press according to claim 3, wherein: the hot pressing actuating mechanism is still including installing in the adjusting cylinder of lifter plate, and the conflict piece slides and sets up in the bottom surface of lifter plate, and adjusting cylinder is used for driving conflict piece reciprocating motion.

5. The multi-layer seamless clamping and cross-connecting hot press according to claim 4, wherein: the lifting plate is provided with a sliding rail, the sliding rail is connected with a sliding plate in a sliding manner, a lifting space is formed between the sliding plate and the lifting plate, a through hole communicated with the lifting space is formed in the sliding plate, a collision block penetrates through the hole, the top end of the collision block is provided with a limiting plate, the limiting plate is positioned in the lifting space, the collision block is provided with a connecting plate, the connecting plate is positioned below the sliding plate, and the connecting plate is elastically connected with the sliding plate through a spring; the piston rod of the adjusting cylinder is fixedly connected with the sliding plate.

6. The multi-layer seamless clamping and cross-connecting hot press according to claim 1, wherein: the film pressing mechanism comprises two groups of film pressing pieces which are oppositely arranged and film pressing drivers used for driving the two groups of film pressing pieces to be close to or far away from the dynamic hot pressing table, and the two groups of film pressing pieces are respectively used for applying pressing force to film sections positioned on two sides of the dynamic hot pressing table.

7. The multi-layer seamless clamping and cross-connecting hot press according to claim 1, wherein: the movable plate, the lifting plate or/and the inner wall of the hot pressing cavity are provided with sensors.

8. The multi-layer seamless clamping and cross-connecting hot press according to claim 1, wherein: the multi-layer seamless clamping and handing-over hot press further comprises a material taking and placing manipulator movably arranged outside the frame, and a plurality of material taking and placing ends of the material taking and placing manipulator can respectively protrude between two adjacent hot pressing mechanisms.

9. The multi-layer seamless clamping and cross-connecting hot press of claim 8, wherein: the material taking and placing manipulator comprises a movable plate which is movably arranged outside the frame and a plurality of material clamping mechanisms which are arranged on the movable plate, wherein the material clamping mechanisms are arranged from top to bottom along the movable plate, and the material clamping end of each material clamping mechanism can protrude between two adjacent corresponding hot pressing mechanisms.

10. The multi-layer seamless clamping and cross-connecting hot press according to claim 9, wherein: the clamping mechanism comprises a clamping driver arranged on the moving plate and two clamping pieces respectively arranged at two clamping ends of the clamping driver, the clamping pieces are provided with clamping avoiding spaces, and the clamping avoiding spaces provide avoiding spaces for the dynamic hot pressing table.