CN112935510B

CN112935510B - Automatic material changing device of lithium battery cap press welding equipment

Info

Publication number: CN112935510B
Application number: CN202110263002.XA
Authority: CN
Inventors: 侯杨; 洪树; 马洪波
Original assignee: Anhui Liweineng Power Battery Co ltd
Current assignee: Anhui Liweineng Power Battery Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2023-02-17
Anticipated expiration: 2041-03-11
Also published as: CN112935510A

Abstract

The invention discloses an automatic material changing device of lithium battery cap press welding equipment, which comprises a shell, a feeding hopper and a second motor, wherein the feeding hopper is fixedly arranged on one side of the shell, a feeding hole is formed in the side wall of the shell below the feeding hopper, the bottom end of the feeding hopper is hinged with a baffle, the outer side of the baffle is hinged with one end of a first pneumatic telescopic rod, one side of the first pneumatic telescopic rod is fixedly connected with a first air cylinder through a first air pipe, the first air cylinder is fixedly arranged on the inner side of the bottom of a fixed seat, the other end of the first pneumatic telescopic rod is hinged with the inner side of the fixed seat, the fixed seat is fixedly arranged on the inner side wall of the shell, a plastic sleeve and a metal cap can be sleeved on two ends of a battery through a cap pressing mechanism, a movable plate can be pushed to overcome the elastic force of a spring to be tightly sleeved by controlling the sleeve plate to simultaneously move inwards, the manual sleeve connection of an operator is avoided, the finger tip dirt pollutes the cap, the product quality is influenced, the working efficiency is improved, and the feeding speed is improved.

Description

Automatic material changing device of lithium battery cap press welding equipment

Technical Field

The invention relates to the technical field of lithium battery production, in particular to an automatic material changing device of a lithium battery cap press welding device.

Background

The battery is one kind can carry out the space of accomodating electrolyte and metal electrode, can turn into the electric energy with chemical energy when using, battery block mainly used protection battery, not only have the overcurrent protect function, press when the battery and reach appointed blasting specification within range, a large amount of materials pass through the quick outside discharge in top cap pressure release hole in the power battery, ensure power battery's security performance, adopt laser welding after the equipment of battery block on the market at present, technique such as ultrasonic bonding, it is comparatively advanced, but prior art has such problem in the use on the market:

in the subsequent process that prior art kludge was finished in lithium cell equipment, generally manual work is the plastic cover of plug bush earlier on the lithium cell, then at the outside metal block of plug bush formation of plastic cover and wait to press the cap work piece, but the easy dirt of operating personnel fingertip pollutes the block, influences the product quality, and the manual work needs the self-observation to adjust the relative position of block and lithium cell in addition, and it is big to have work load, and the problem that production efficiency is low not only the material loading progress is slow, and the precision is lower, influences work efficiency.

Therefore, an automatic material changing device of the lithium battery cap press welding equipment is provided for solving the problems.

Disclosure of Invention

The invention aims to provide an automatic material changing device of a lithium battery cap press welding device, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic material changing device of a lithium battery cap pressure welding device comprises a shell, a feed hopper and a second motor, wherein the feed hopper is fixedly installed on one side of the shell, a feed inlet is formed in the side wall of the shell below the feed hopper, the bottom end of the feed hopper is hinged with a connecting baffle plate, one end of a first pneumatic telescopic rod is hinged and connected to the outer side of the baffle plate, one side of the first pneumatic telescopic rod is fixedly connected with a first air cylinder through a first air pipe, the first air cylinder is fixedly installed on the inner side of the bottom of a fixed seat, the other end of the first pneumatic telescopic rod is hinged and connected with the inner side of the fixed seat, the fixed seat is fixedly installed on the inner side wall of the shell, a conveying belt is arranged below the feed hopper, the inner side of the conveying belt is meshed and connected with a flywheel, the two flywheels are respectively and fixedly installed on the sides of a main rotating shaft and an auxiliary rotating shaft, the two ends of the main rotating shaft and the auxiliary rotating shaft are rotatably connected with the inner side wall of the inserted side plate, one end of the shell is fixedly connected with the inner side wall of the shell below the clamping mechanism, the side wall of the side plate is fixedly connected with the first motor through a first belt, the first motor is fixedly installed on the inner side of the inner side wall of the inner side of the shell, the protecting shell, the two-way screw rod is connected with the two-way screw rod, the two-way connected with the two-way screw rod connected with the two-connected with the two ends of the two-connected with the two-connected inner side of the two-connected with the two-way inner side of the two-connected inner side of the two-way screw rod, the utility model discloses a spacing structure, including internal thread tube top fixed connection gag lever post bottom, the gag lever post all sides sliding connection protective housing top is seted up, gag lever post top clearance fit inserts card barrel head portion, card a section of thick bamboo top fixed connection lagging bottom, a plurality of trepanning have been seted up to the lagging inboard, downthehole cavity wall fixed connection spring one end of trepanning, spring other end fixed connection fly leaf one side, the shrinkage of trepanning port inwards.

Preferably, drive mechanism includes the slide rail, slide rail both ends fixed mounting casing inside wall, slide rail bottom sliding connection slider top, slider fixed surface connects the workstation upper surface and is close to both sides position, workstation fixed surface connects fixture, workstation upper surface middle part fixed connection internal thread piece lower surface, internal thread piece internal thread connects lead screw week side, lead screw one end fixed connection second motor output shaft, second motor fixed mounting is at the shells inner wall, the lead screw other end rotates inside inserting first sleeve one end of connecting, first sleeve other end fixed connection casing inside wall

Preferably, fixture includes the pneumatic telescopic link of second, the fixed intercommunication second cylinder of second trachea is passed through to pneumatic telescopic link one side of second, the workstation lower surface among the pneumatic telescopic link of second and the second cylinder top fixed connection drive mechanism, the pneumatic telescopic link bottom fixed connection fixed block top of second, fixed block bottom fixed connection goes up the punch holder lower surface, the correspondence of punch holder below is provided with the lower plate, punch holder and lower plate both ends are fixed connection stopper respectively, stopper week side sliding connection spout, the spout is seted up in the dead lever bottom, fixed rod top fixed connection workstation lower surface, the punch holder is close to both ends rigidity and inlays the electro-magnet, the lower plate corresponds the rigidity and inlays the iron plate.

Preferably, the bottom surface of the upper clamping plate and the top surface of the lower clamping plate are provided with semicircular clamping grooves, and the radial size of each semicircular clamping groove is slightly smaller than that of the battery.

Preferably, protruding check bars are arranged on two sides of the conveyor belt, and the inner sides of the check bars are in clearance fit with two sides of the lower clamping plate.

Preferably, the cross section of the limiting rod is square, and the inner side of the clamping cylinder is attached to the peripheral side shape of the limiting rod.

Preferably, the two sides of the lower clamping plate are in clearance fit with the two sides of the feeding hole.

Preferably, the feed hopper width is equal to the battery length.

Preferably, a material taking opening is formed in the side wall, far away from the feeding opening, of the shell.

Compared with the prior art, the invention has the beneficial effects that: the plastic cover and the metal cover can be sleeved at two ends of the battery through the cap pressing mechanism, the movable plate can be pushed to overcome the elastic force of the spring to be tightly sleeved by controlling the sleeve plate to move inwards at the same time, manual sleeve by an operator is avoided, fingertip dirt pollutes the cap, the product quality is prevented from being influenced, the working efficiency is improved, and the feeding speed is improved;

the clamping mechanism is driven to move by controlling the transmission mechanism, so that automatic feeding can be realized, the working efficiency is improved, the labor intensity and the workload of operators are reduced, and the feeding speed is improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a cross-sectional view of a feed hopper of the present invention;

FIG. 3 is a schematic view of the structure of the transmission mechanism and the clamping mechanism of the present invention;

FIG. 4 is a cross-sectional view of the cap pressing mechanism of the present invention

FIG. 5 is a top view of the conveyor belt of the present invention;

FIG. 6 is a cross-sectional view of a lower jaw and an upper jaw of the present invention;

fig. 7 is a cross-sectional view of a deck of the present invention.

In the figure: 1. a housing; 2. a feed hopper; 3. a feed inlet; 4. a transmission mechanism; 5. a cap pressing mechanism; 6. a material taking port; 7. a clamping mechanism; 8. a first motor; 9. a first belt; 10. a main rotating shaft; 11. a flywheel; 12. a conveyor belt; 13. an auxiliary rotating shaft; 14. a limiting plate; 15. a side plate; 16. a first pneumatic telescopic rod; 17. a first air pipe; 18. a first cylinder; 19. a fixed seat; 21. a baffle plate; 41. a second motor; 42. an internal thread block; 43. a lead screw; 44. a first sleeve; 45. a slide rail; 46. a work table; 47. a slider; 51. a protective shell; 52. a second belt; 53. a second sleeve; 54. clamping the cylinder; 55. sheathing the board; 551. trepanning; 552. a spring; 553. a movable plate; 56. a bidirectional screw; 57. an internally threaded tube; 58. a limiting rod; 59. a third motor; 71. fixing the rod; 72. a second cylinder; 73. a second pneumatic telescopic rod; 74. a fixed block; 75. an upper splint; 76. a lower splint; 77. a second air pipe; 78. a chute; 79. a limiting block; 710. an iron block; 711. an electromagnet; 121. and (6) grid barrier strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an automatic material changing device of a lithium battery cap press welding device comprises a shell 1, a feed hopper 2 and a second motor 41, wherein one side of the shell 1 is fixedly provided with the feed hopper 2, the side wall of the shell 1 below the feed hopper 2 is provided with a feed inlet 3, the bottom end of the feed hopper 2 is hinged with a baffle 21, the outer side of the baffle 21 is hinged with one end of a first pneumatic telescopic rod 16, one side of the first pneumatic telescopic rod 16 is fixedly connected with a first air cylinder 18 through a first air pipe 17, the first air cylinder 18 is fixedly arranged at the inner side of the bottom of a fixed seat 19, the other end of the first pneumatic telescopic rod 16 is hinged with the inner side of the fixed seat 19, the fixed seat 19 is fixedly arranged on the inner side wall of the shell 1, a conveyor belt 12 is arranged below the feed hopper 2, the inner side of the conveyor belt 12 is meshed with two flywheels 11, the flywheels 11 are respectively and fixedly arranged on the peripheral sides of a main rotating shaft 10 and an auxiliary rotating shaft 13, the two ends of the main rotating shaft 10 and the two ends of the auxiliary rotating shaft 13 are rotatably connected and inserted into the side plates 15, one end of each side plate 15 is fixedly connected with the inner side wall of the shell 1, the other end of each side plate 15 is fixedly connected with the limit plate 14, the peripheral side of the main rotating shaft 10 is connected with the first motor 8 through the transmission of the first belt 9, the first motor 8 is fixedly installed on the inner side wall of the shell 1, the top of the inner side of the shell 1 is provided with the transmission mechanism 4, the bottom of the transmission mechanism 4 is fixedly connected with the clamping mechanism 7, the inner wall of the shell 1 below the clamping mechanism 7 is fixedly installed with the cap pressing mechanism 5, the cap pressing mechanism 5 comprises a protective shell 51, the outer side of the protective shell 51 is fixedly connected with the inner side of the shell 1, the upper surface of the bottom wall of the protective shell 51 is fixedly installed with the third motor 59, the middle part of the two-way screw 56 is connected through the transmission of the second belt 52, the two ends of the two-way screw 56 are rotatably connected and inserted into the inner side of the second sleeve 53, one end of the second sleeve 52 is fixedly connected with the inner wall of the protective shell 51, the side of the bidirectional screw 56 is threaded internally with the threaded tube 57, the top of the internally threaded tube 57 is fixedly connected with the bottom of the limit rod 58, the side of the limit rod 58 is connected with the top of the protective shell 51 in a sliding manner, the top of the limit rod 58 is in clearance fit with the bottom of the clamping cylinder 54, the top of the clamping cylinder 54 is fixedly connected with the bottom of the sleeve plate 55, the inner side of the sleeve plate 55 is provided with a plurality of sleeve holes 551, the cavity wall in the sleeve holes 551 is fixedly connected with one end of a spring 552, the other end of the spring 552 is fixedly connected with one side of the movable plate 553, and the ports of the sleeve holes 551 are retracted inwards.

Drive mechanism 4 includes slide rail 45, slide rail 45 both ends fixed mounting casing 1 inside wall, slide rail 45 bottom sliding connection slider 47 top, slider 47 lower surface fixed connection workstation 46 upper surface is close to both sides position, workstation 46 lower surface fixed connection fixture 7, workstation 46 upper surface middle part fixed connection internal thread piece 42 lower surface, internal thread piece 42 internal thread connects lead screw 43 week side, lead screw 43 one end fixed connection second motor 41 output shaft, second motor 41 fixed mounting is at the casing 1 inner wall, the lead screw 43 other end rotates inside inserting first sleeve 44 one end of connecting, first sleeve 44 other end fixed connection casing 1 inside wall

Clamping mechanism 7 includes second pneumatic telescopic link 73, second pneumatic telescopic link 73 one side is through the fixed intercommunication second cylinder 72 of second trachea 77, workstation 46 lower surface in second pneumatic telescopic link 73 and the second cylinder 72 top fixed connection drive mechanism 4, second pneumatic telescopic link 73 bottom fixed connection fixed block 74 top, fixed block 74 bottom fixed connection upper clamp 75 lower surface, upper clamp 75 below correspondence is provided with lower plate 76, upper clamp 75 and lower plate 76 both ends are fixed connection stopper 79 respectively, stopper 79 week side sliding connection spout 78, spout 78 sets up in dead lever 71 bottom, dead lever 71 top fixed connection workstation 46 lower surface, upper clamp 75 is close to both ends fixed position and inlays electro-magnet 711, lower plate 76 corresponds fixed position iron inlay piece 710.

The bottom surface of the upper clamping plate 75 and the top surface of the lower clamping plate 76 are provided with semicircular clamping grooves, and the radial size of each semicircular clamping groove is slightly smaller than that of the battery.

Raised grid barrier strips 121 are arranged on two sides of the conveyor belt 12, and the inner sides of the grid barrier strips 121 are in clearance fit with two sides of the lower clamping plate 76.

The cross section of the limiting rod 58 is square, and the inner side of the clamping cylinder 54 is attached to the peripheral shape of the limiting rod 58.

The two sides of the lower clamping plate 76 are in clearance fit with the two sides of the feed inlet 3.

The width of the feed hopper 2 is equal to the battery length.

A material taking port 6 is arranged on one side wall of the shell 1 far away from the feeding port 3.

The working principle is as follows: when the battery feeding device is used, batteries are placed in the feeding hopper 2, the batteries can be clamped at the bottom of the feeding hopper 2 under the action of the baffle 21, the width of the feeding hopper 2 is equal to the length of the batteries, the batteries can be arranged in order, the lower clamping plate 76 is inserted into the feeding port 3, the first air cylinder 18 controls the first pneumatic telescopic rod 16 to do telescopic motion through the first air pipe 17, the baffle 21 can be opened or closed, the batteries can fall down when the baffle 21 is opened, the first motor 8 drives the main rotating shaft 10 to rotate through the first belt 9, the rotating shaft 10 drives the flywheel 11 to rotate, the flywheel 11 drives the conveyor belt 12 to move, the lower clamping plate 76 can be driven to move, meanwhile, the batteries fall into the semicircular clamping grooves in the lower clamping plate 76 by controlling the baffle 21 to be opened or closed, and the batteries can fall into the semicircular clamping grooves in the lower clamping plate 76 through the limiting plate 14;

the second air cylinder 72 controls the second pneumatic telescopic rod 73 to perform telescopic motion through the second air pipe 77 to drive the fixed block 74 and the upper clamping plate 75 to move up and down, the lower part of the upper clamping plate 75 is overlapped corresponding to the lower clamping plate 76, the internal electromagnets 711 at the positions, close to the two ends, of the upper clamping plate 75 are electrified, the fixed embedded iron block 710 at the corresponding position of the lower clamping plate 76 can be firmly sucked, the radial size of the semicircular clamping groove is slightly smaller than that of the battery, the battery can be clamped, the limiting block 79 can slide up and down in the sliding groove 78, and the stability of the upper clamping plate 75 and the lower clamping plate 76 in the up-and-down movement process is improved;

the second motor 41 drives the lead screw 43 to rotate, the lead screw 43 rotates to drive the internal thread block 42 to move along the lead screw 43, the workbench 46 is driven to move, the slide block 47 slides along the slide rail 45, which is beneficial to improving the stability of the workbench 46 during moving, the clamping mechanism 7 is driven to move, when the internal thread block moves to the position of the cap pressing mechanism 55, the cap pressing mechanism 5 can sleeve the plastic sleeve and the metal cover at two ends of the battery, the third motor 59 drives the two-way screw 56 to rotate through the second belt 52, the two-way screw 56 can drive the inner side of the internal thread pipe 57 to move inwards or outwards simultaneously when rotating, the internal thread pipe 57 can drive the limiting rod 58 to move, the peripheral side of the limiting rod 58 is slidably connected with the limiting groove arranged at the top of the protective shell 51, the stability of the limiting rod 58 during moving is improved, the top of the limiting rod 58 is inserted into the bottom of the clamping cylinder 54 in a clearance fit mode, the positions of the clamping cylinder 54 and the sleeve plate 55 can be fixed, the sleeve plate 55 is driven to move, a plastic sleeve and a metal cover are placed in the sleeve hole 551, the sleeve plate 55 is controlled to move inwards, the plastic sleeve and the metal cover are sleeved from two ends of a battery, the movable plate 553 is pushed to overcome the elasticity of the spring 552 to be tightly sleeved, the plastic sleeve and the metal cover can be placed at a port, close to one side of the battery, of the sleeve hole 551 under the action of the movable plate 553 to be convenient to sleeve, then the transmission mechanism 4 is continuously controlled to move, the battery is moved to a welding position to be welded, and the welded battery is taken out through the material taking port 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic device that reloads of lithium cell cap pressure welding equipment, includes casing (1), feeder hopper (2) and second motor (41), its characterized in that: the utility model discloses a pneumatic conveying device, including casing (1), feeder hopper (2) fixed mounting in one side, feed inlet (3) have been seted up to casing (1) lateral wall below feeder hopper (2), feeder hopper (2) bottom is articulated to connect baffle (21), baffle (21) outside is articulated to connect first pneumatic telescopic link (16) one end, first pneumatic telescopic link (16) one side is through first trachea (17) fixed connection first cylinder (18), first cylinder (18) fixed mounting is inboard in fixing base (19) bottom, first pneumatic telescopic link (16) other end is articulated to connect fixing base (19) inboard, fixing base (19) fixed mounting is inside casing (1) inside wall, feeder hopper (2) below is provided with conveyer belt (12), flywheel (11) is connected in the inboard meshing of conveyer belt (12), flywheel (11) total two, respectively fixed mounting is in main pivot (10) and vice pivot (13) week side, main pivot (10) and vice pivot (13) both ends pivoted are connected inserts inside curb plate (15), curb plate (15) one end fixed connection casing (1) inside wall, curb plate (15) other end fixed connection casing (15) other end fixed connection side wall (14), first pivot (9) transmission limiting plate (8), the first motor (8) is fixedly arranged on the inner side wall of the shell (1), the transmission mechanism (4) is arranged at the top of the inner side of the shell (1), the bottom of the transmission mechanism (4) is fixedly connected with a clamping mechanism (7), the inner wall of the shell (1) below the clamping mechanism (7) is fixedly provided with a pressing cap mechanism (5), the pressing cap mechanism (5) comprises a protective shell (51), the outer side of the protective shell (51) is fixedly connected with the inner side of the shell (1), the upper surface of the bottom wall of the protective shell (51) is fixedly provided with a third motor (59) which is in transmission connection with the middle part of a two-way screw rod (56) through a second belt (52), the two ends of the two-way screw rod (56) are rotatably connected and inserted into the inner side of the second sleeve (53), one end of the second sleeve (53) far away from the second belt (52) is fixedly connected with the inner wall of the protective shell (51), the peripheral side of the two-way screw rod (56) is in threaded connection with the inner side of the internal threaded pipe (57), the top of the internal threaded pipe (57) is fixedly connected with the bottom end of the limiting rod (58), the peripheral side of the limiting rod (58) is in sliding connection with the limiting groove formed in the top of the protective shell (51), the top of the limiting rod (58) is inserted into the bottom of the clamping cylinder (54) in a clearance fit manner, the top end of the clamping cylinder (54) is fixedly connected with the bottom end of the sleeve plate (55), and the inner side of the sleeve plate (55) is provided with a plurality of sleeve holes (551), the cavity wall in the trepanning (551) is fixedly connected with one end of a spring (552), the other end of the spring (552) is fixedly connected with one side of a movable plate (553), and the port of the trepanning (551) is contracted inwards; drive mechanism (4) are including slide rail (45), slide rail (45) both ends fixed mounting casing (1) inside wall, slide rail (45) bottom sliding connection slider (47) top, slider (47) lower fixed surface connects workstation (46) upper surface and is close to both sides position, workstation (46) lower fixed surface connects fixture (7), workstation (46) upper surface middle part fixed connection internal thread piece (42) lower surface, internal thread piece (42) internal thread connects lead screw (43) week side, lead screw (43) one end fixed connection second motor (41) output shaft, second motor (41) fixed mounting is at casing (1) inner wall, lead screw (43) other end rotates inside inserting first sleeve (44) one end of connecting, first sleeve (44) other end fixed connection casing (1) inside wall.

2. The automatic reloading device of lithium battery cap pressure welding equipment of claim 1, characterized in that: fixture (7) includes second pneumatic telescopic link (73), workstation (46) lower surface in second pneumatic telescopic link (73) one side through second trachea (77) fixed intercommunication second cylinder (72), second pneumatic telescopic link (73) and second cylinder (72) top fixed connection drive mechanism (4), second pneumatic telescopic link (73) bottom fixed connection fixed block (74) top, fixed block (74) bottom fixed connection upper plate (75) lower surface, upper plate (75) below correspondence is provided with lower plate (76), upper plate (75) and lower plate (76) both ends are fixed connection stopper (79) respectively, stopper (79) week side sliding connection spout (78), set up in dead lever (71) bottom spout (78), dead lever (71) top fixed connection workstation (46) lower surface, upper plate (75) are close to both ends fixed position and inlay electro-magnet (711), lower plate (76) correspond fixed position and inlay iron plate (710).

3. The automatic reloading device of lithium battery cap pressure welding equipment of claim 2, characterized in that: semicircular clamping grooves are formed in the bottom surface of the upper clamping plate (75) and the top surface of the lower clamping plate (76), and the radial size of each semicircular clamping groove is slightly smaller than that of the battery.

4. The automatic material changing device of the lithium battery cap press welding equipment according to claim 2, characterized in that: protruding grid barrier strips (121) are arranged on the two sides of the conveyor belt (12), and the inner sides of the grid barrier strips (121) are in clearance fit with the two sides of the lower clamping plate (76).

5. The automatic reloading device of lithium battery cap pressure welding equipment of claim 1, characterized in that: the cross section of the limiting rod (58) is square, and the inner side of the clamping cylinder (54) is attached to the peripheral side shape of the limiting rod (58).

6. The automatic reloading device of lithium battery cap pressure welding equipment of claim 4, characterized in that: and the two sides of the lower clamping plate (76) are in clearance fit with the two sides of the feed port (3).

7. The automatic reloading device of lithium battery cap pressure welding equipment of claim 1, characterized in that: the width of the feed hopper (2) is equal to the length of the battery.

8. The automatic reloading device of lithium battery cap pressure welding equipment of claim 1, characterized in that: a material taking opening (6) is formed in one side wall, far away from the feeding opening (3), of the shell (1).