CN114378247B - Automatic riveter feeding structure of lithium battery cover plate - Google Patents
Automatic riveter feeding structure of lithium battery cover plate Download PDFInfo
- Publication number
- CN114378247B CN114378247B CN202210047476.5A CN202210047476A CN114378247B CN 114378247 B CN114378247 B CN 114378247B CN 202210047476 A CN202210047476 A CN 202210047476A CN 114378247 B CN114378247 B CN 114378247B
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- China
- Prior art keywords
- fixedly connected
- clamping
- rivets
- rivet
- gear
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Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 109
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
- B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a feeding structure of an automatic riveting machine for a lithium battery cover plate, which belongs to the technical field of automatic feeding of riveting machines, and comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a supporting plate, the upper end of the supporting plate is fixedly connected with a rivet arranging machine, the upper end of the supporting plate is provided with a feeding mechanism, and the feeding mechanism is used for conveying rivets arranged in the rivet arranging machine to a riveting position and removing unqualified rivets in the rivet conveying process; a riveting mechanism is arranged at the position, close to the front position, of the upper end of the bottom plate and is used for riveting rivets conveyed by the feeding mechanism on the lithium battery cover plate; the device easy operation, convenient to use, can be automatic transport rivet, the effectual riveted efficiency of lithium cell apron that has promoted, rivet that length overlength and length are too short is rejected simultaneously that can be automatic to can effectually promote lithium cell apron riveted quality and effect.
Description
Technical Field
The invention relates to the technical field of automatic feeding of riveters, in particular to a feeding structure of an automatic riveter for a lithium battery cover plate.
Background
The riveting machine is a novel riveting device developed according to the cold rolling principle, namely mechanical equipment capable of riveting articles by rivets. The device has compact structure, stable performance and convenient and safe operation. The riveting machine is mainly assembled by rotation and pressure, is mainly applied to occasions needing rivet riveting, and is commonly provided with pneumatic, hydraulic and electric, single-head, double-head and other specification models.
In the production process of lithium batteries, the cover plate of the lithium batteries is usually riveted on the surface of the lithium batteries through rivets, when the existing riveting machine is used for riveting the cover plate of the lithium batteries, the rivets are usually required to be manually pre-assembled on the cover plate of the lithium batteries, then the cover plate of the lithium batteries, which is pre-assembled with the rivets, is moved to the bottom end position of the riveting machine, and then the riveting machine is started to rivet.
Based on the above, the invention designs a feeding structure of an automatic riveting machine for a lithium battery cover plate, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a feeding structure of an automatic riveting machine for a lithium battery cover plate, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the riveting machine comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a supporting plate, the upper end of the supporting plate is fixedly connected with a rivet arranging machine, the upper end of the supporting plate is provided with a feeding mechanism, and the feeding mechanism is used for conveying rivets arranged in the rivet arranging machine to a riveting position and removing unqualified rivets in the rivet conveying process; and a riveting mechanism is arranged at the position, close to the front position, of the upper end of the bottom plate, and is used for riveting rivets conveyed by the feeding mechanism on the lithium battery cover plate.
The feeding mechanism comprises a support frame, the support frame is fixedly connected with the upper end surface of the support plate, the left end and the right end of the interior of the support frame are symmetrically provided with first conveyor belts, and two rotating shafts in the first conveyor belts are respectively connected with the support frame and the rivet arranging machine in a rotating way; the first screening mechanism is used for removing the rivets with too short length from the rivets conveyed by the feeding mechanism, and the second screening mechanism is used for removing the rivets with too long length from the rivets conveyed by the feeding mechanism; the inside actuating mechanism that is equipped with of support frame, actuating mechanism is used for driving first conveyer belt transmission and drives first screening mechanism and second screening mechanism and reject unqualified rivet.
The first screening mechanism comprises two gears and two driving shafts, the two driving shafts are respectively and rotatably connected with the left side and the right side of the inside of the support frame, and the two gears are respectively and fixedly connected with the two driving shafts; the gear surface is equipped with first joint mechanism, first joint mechanism is used for the overlength of length and the normal rivet of length that the conveying of card first conveyer belt surface was come.
The first clamping mechanism comprises a plurality of first clamping frames which are uniformly distributed on the surface of the gear and are in sliding connection with the gear; the surface of the driving shaft is uniformly and rotatably connected with a plurality of threaded rods, one end of each threaded rod is fixedly connected with a first bevel gear, and the other end of each threaded rod is rotatably connected with the corresponding gear; the threaded rod is in threaded fit with the first clamping frame, and the thread lead angle of the surface of the threaded rod is larger than the equivalent friction angle of the threaded rod; the surface of the first clamping frame is fixedly connected with a first spring in the direction close to the threaded rod, and the other end of the first spring is fixedly connected with the gear; the first clamping frame surface is fixedly connected with a first clamping block at a connection position of the threaded rod, a second clamping block is fixedly connected at a position corresponding to the first clamping block on the gear surface, the first clamping block is matched with the second clamping block in a clamping way, and the second clamping block is made of elastic metal; the first push rods are symmetrically and fixedly connected to the left end and the right end of the support frame, which are positioned at the upper end of the gear, the second push rods are fixedly arranged on the surface of the second clamping block, and the first push rods are mutually attached to the second push rods; the left end and the right end of the driving shaft on the left side and the right side are respectively and fixedly connected with a ratchet wheel, pawls are meshed with the surfaces of the ratchet wheels on the left side and the right side, and the pawls are fixedly connected with the supporting frame.
The second screening mechanism comprises two second conveyor belts, the two second conveyor belts are distributed at the left side and the right side of the inside of the support frame, and two rotating shafts inside the second conveyor belts are both in rotary connection with the support frame; the second conveyor belt surface is equipped with second joint mechanism, second joint mechanism is used for blocking and transporting the normal rivet of length and reject the rivet of length overlength simultaneously.
The second clamping mechanism comprises a plurality of second clamping frames and a plurality of fixing frames, the fixing frames are uniformly distributed on the surface of the second conveyor belt and fixedly connected with the second conveyor belt, the second clamping frames are in sliding connection with the fixing frames, the surfaces of the second clamping frames are positioned in the fixing frames, a fixing plate is fixedly connected with the surfaces of the fixing plates, a second spring is fixedly connected with the surfaces of the fixing plates, and the other ends of the second springs are fixedly connected with the fixing frames; the bottom end positions of the second conveyor belts on the left side and the right side are respectively provided with a rotating rod, the bottom ends of the rotating rods are rotationally connected with a rivet arranging machine, the upper ends of the rotating rods are fixedly connected with cams, and the cams on the left side and the right side are respectively attached to the surfaces of the fixing plates on the left side and the right side; the bottom positions of the rotating rods on the left side and the right side are close to one end surface of each other, a push plate is fixedly connected with the bottom end of the push plate, a torsion spring is fixedly connected with the bottom end of the push plate, and the bottom end of the torsion spring is fixedly connected with a rivet arranging machine; the upper end surface of the push plate is positioned at the bottom end of the rivet with normal length.
The driving mechanism comprises two motors which are fixedly connected with the surfaces of the left end and the right end of the support frame respectively; the motor output shaft is fixedly connected with a second bevel gear and an incomplete gear, and the incomplete gear is fixedly connected with a rotating shaft in the first conveyor belt; the upper end of the second bevel gear is meshed with a third bevel gear, the upper end of the third bevel gear is fixedly connected with a fourth bevel gear, the third bevel gear and the fourth bevel gear are both rotationally connected with the support frame, and the fourth bevel gear is meshed with the first bevel gear; the surfaces of one ends of the gears on the left side and the right side, which are close to each other, are fixedly connected with bevel gears, fifth bevel gears are meshed with the upper ends of the bevel gears on the left side and the right side, and the upper ends of the fifth bevel gears on the left side and the right side are fixedly connected with rotating shafts inside the second conveyor belts on the left side and the right side respectively.
The riveting mechanism comprises a third conveyor belt and a fixing frame, wherein two rotating shafts inside the third conveyor belt are rotationally connected with the bottom plate, the fixing frame is fixedly connected with the bottom plate, the bottom end of the fixing frame is fixedly connected with an air cylinder, and the bottom end of the air cylinder is fixedly connected with a riveting machine.
The upper end of the rivet arranging machine is provided with an upward bulge in the middle and two downward inclined ends; the left end and the right end of the rivet arrangement machine are symmetrically and fixedly connected with a first collecting frame at the bottom end of the inclined plane; the second collecting frame is fixedly connected with the surface of the rear end of the supporting plate.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, all rivets are arranged in a feeding mechanism through a rivet arranging machine, then the arranged rivets are automatically conveyed to a lithium battery cover plate through the feeding mechanism, and then the rivets on the lithium battery cover plate are riveted through starting a riveting mechanism; in the process of conveying rivets, the rivets with too short length and too long length are automatically removed through a feeding mechanism, and the rivets with qualified lengths are normally conveyed to a lithium battery cover plate; the device easy operation, convenient to use, can be automatic transport rivet, the effectual riveted efficiency of lithium cell apron that has promoted, rivet that length overlength and length are too short is rejected simultaneously that can be automatic to can effectually promote lithium cell apron riveted quality and effect.
According to the invention, the rivets with too short length and too long length can be automatically removed through the first screening mechanism and the second screening mechanism respectively, and then the rivets with too short length and too long length are collected respectively, so that the quality of the lithium battery cover plate rivets is improved, and meanwhile, the rivets with different sizes can be collected in a classified manner, thereby achieving the effect of facilitating subsequent use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the mechanism of the rear view of the present invention;
FIG. 3 is a schematic diagram of a feeding mechanism according to the present invention;
FIG. 4 is a schematic diagram of a first screening mechanism according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;
FIG. 6 is an enlarged schematic view of the structure of B in FIG. 4;
FIG. 7 is a schematic diagram of a first screening mechanism according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7C;
FIG. 9 is a schematic diagram of a second screening mechanism according to the present invention;
FIG. 10 is a schematic cross-sectional view of a second screening mechanism of the present invention;
fig. 11 is an enlarged schematic view of the structure of D in fig. 10.
In the drawings, the list of components represented by the various numbers is as follows:
The riveting machine comprises a bottom plate 1, a supporting plate 2, a rivet arranging machine 3, a supporting frame 4, a first conveying belt 5, a gear 6, a driving shaft 7, a first clamping frame 8, a threaded rod 9, a first bevel gear 10, a first spring 11, a first clamping block 12, a second clamping block 13, a first push rod 14, a second push rod 15, a ratchet 16, a pawl 7, a second conveying belt 18, a second clamping frame 19, a fixed frame 20, a fixed plate 21, a second spring 22, a rotating rod 23, a cam 24, a push plate 25, a torsion spring 26, a motor 27, a second bevel gear 28, an incomplete gear 29, a third bevel gear 30, a fourth bevel gear 31, a bevel gear ring 32, a fifth bevel gear 33, a third conveying belt 34, a fixing frame 35, a cylinder 36, a riveting machine 37, a first collecting frame 38 and a second collecting frame 39.
Detailed Description
Referring to fig. 1-11, the present invention provides a technical solution: the riveting machine comprises a bottom plate 1, wherein the upper end of the bottom plate 1 is fixedly connected with a supporting plate 2, the upper end of the supporting plate 2 is fixedly connected with a rivet arranging machine 3, the upper end of the supporting plate 2 is provided with a feeding mechanism, and the feeding mechanism is used for conveying rivets arranged in the rivet arranging machine 3 to a riveting position and removing unqualified rivets in the process of conveying the rivets; a riveting mechanism is arranged at the position, close to the front position, of the upper end of the bottom plate 1 and is used for riveting rivets conveyed by the feeding mechanism on the lithium battery cover plate; when the riveting machine works, due to the fact that the rivet has dimensional errors in production, the produced rivet has the problem that the length is too long or too short, and the quality of riveting can be affected when the rivet with unqualified size is riveted; according to the device, all rivets are arranged in a feeding mechanism through a rivet arranging machine 3, the arranged rivets are automatically conveyed to a lithium battery cover plate through the feeding mechanism, and then the rivets on the lithium battery cover plate are riveted through starting a riveting mechanism; in the process of conveying rivets, the rivets with too short length and too long length are automatically removed through a feeding mechanism, and the rivets with qualified lengths are normally conveyed to a lithium battery cover plate; the device easy operation, convenient to use, can be automatic transport rivet, the effectual riveted efficiency of lithium cell apron that has promoted, rivet that length overlength and length are too short is rejected simultaneously that can be automatic to can effectually promote lithium cell apron riveted quality and effect.
As a further scheme of the invention, the feeding mechanism comprises a support frame 4, the support frame 4 is fixedly connected with the upper end surface of the support plate 2, the left end and the right end of the interior of the support frame 4 are symmetrically provided with a first conveyor belt 5, and two rotating shafts in the interior of the first conveyor belt 5 are respectively connected with the support frame 4 and the rivet arranging machine 3 in a rotating way; the inside of the supporting frame 4 is provided with a first screening mechanism and a second screening mechanism, wherein the first screening mechanism is used for removing the too short rivet in the rivets conveyed by the feeding mechanism, and the second screening mechanism is used for removing the too long rivet in the rivets conveyed by the feeding mechanism; a driving mechanism is arranged in the support frame 4 and is used for driving the first conveyor belt 5 to drive the first screening mechanism and the second screening mechanism to reject unqualified rivets; during operation, the first conveyor belt 5 at the left end and the right end can be driven to convey the arranged rivets to the position in the first screening mechanism through the starting cabinet driving mechanism, then the first screening mechanism is driven by the driving mechanism to convey the rivets with overlong surface length and qualified length of the first conveyor belt 5 to the second screening mechanism, the second screening mechanism conveys the rivets with overlong length and qualified length simultaneously, the rivets with overlong length can be automatically removed in the conveying process, and finally the rivets with qualified length are automatically conveyed on the lithium battery cover plate of the conveying belt.
As a further scheme of the invention, the first screening mechanism comprises two gears 6 and two driving shafts 7, the two driving shafts 7 are respectively and rotatably connected with the left side and the right side of the inside of the supporting frame 4, and the two gears 6 are respectively and fixedly connected with the two driving shafts 7; the surface of the gear 6 is provided with a first clamping mechanism which is used for clamping the rivet with overlong length and normal length transmitted by the surface of the first conveyor belt 5; when the rivet conveying device works, when the first conveying belt 5 conveys rivets to positions between the gears 6 on the left side and the right side, at the moment, the driving shafts 7 and the gears 6 on the left side and the right side are driven to rotate through the driving mechanism, the first clamping mechanisms on the surfaces of the gears 6 are driven to rotate along with the gears 6 when the gears 6 rotate, after the rivets with overlong lengths and qualified lengths at the bottom positions of the gears 6 are clamped through the first clamping mechanisms, the gears 6 continue to rotate, and when the gears 6 drive the rivets clamped by the first clamping mechanisms to rotate to the upper positions of the gears 6, the rivets are loosened by the first clamping mechanisms.
As a further scheme of the invention, the first clamping mechanism comprises a plurality of first clamping frames 8, the plurality of first clamping frames 8 are uniformly distributed on the surface of the gear 6, and the first clamping frames 8 are in sliding connection with the gear 6; the surface of the driving shaft 7 is uniformly and rotatably connected with a plurality of threaded rods 9, one end of each threaded rod 9 is fixedly connected with a first bevel gear 10, and the other end of each threaded rod 9 is rotatably connected with the corresponding gear 6; the threaded rod 9 is in threaded fit with the first clamping frame 8, and the thread lead angle of the surface of the threaded rod 9 is larger than the equivalent friction angle of the threaded rod 9; a first spring 11 is fixedly connected to the surface of the first clamping frame 8 in the direction close to the threaded rod 9, and the other end of the first spring 11 is fixedly connected with the gear 6; the surface of the first clamping frame 8 is fixedly connected with a first clamping block 12 at the connection position of the threaded rod 9, a second clamping block 13 is fixedly connected with the surface of the gear 6 at the position corresponding to the first clamping block 12, the first clamping block 12 is matched with the second clamping block 13 in a clamping way, and the second clamping block 13 is made of elastic metal; the first push rod 14 is symmetrically and fixedly connected to the left end and the right end of the upper end of the gear 6 in the support frame 4, the second push rod 15 is fixedly arranged on the surface of the second clamping block 13, and the first push rod 14 and the second push rod 15 are mutually attached; the left end and the right end of the driving shaft 7 at the left side and the right side are respectively and fixedly connected with a ratchet wheel 16, the surfaces of the ratchet wheels 16 at the left side and the right side are meshed with a pawl 17, and the pawl 17 is fixedly connected with the supporting frame 4; when the gear 6 drives the first clamping frame 8 to rotate to the bottom position of the gear 6, at the moment, a threaded rod 9 and a first bevel gear 10 connected with the first clamping frame 8 move to the bottom position of the gear 6, and then the gear 6 stops rotating and drives the first bevel gear 10 at the bottom position to rotate through the driving mechanism; when the gear 6 stops rotating, the driving shaft 7 and the gear 6 can be clamped by the ratchet wheel 16 and the pawl 17, so that the gear 6 is prevented from rotating reversely; when the first bevel gear 10 rotates, the threaded rod 9 connected with the first bevel gear 10 is driven to rotate, the threaded rod 9 can drive the first clamping frame 8 at the bottom to move to a position close to the rivet when rotating, and when the first clamping frame 8 at the bottom clamps the rivet, the first clamping block 12 in the first clamping frame 8 is just clamped with the second clamping block 13, so that the first clamping frame 8 can keep a clamping position with the rivet; when the first clamping frame 8 clamps the rivet, the driving mechanism drives the gear 6 to rotate again at the moment, the gear 6 stops rotating again after rotating for a certain angle, and then the driving mechanism drives the next first clamping frame 8 to clamp the next rivet; when the gear 6 drives the first clamping frame 8 for clamping the rivet to rotate to the upper position of the gear 6, the second push rod 15 starts to contact the first push rod 14 at the moment, then when the gear 6 rotates, the first push rod 14 is kept motionless, the second push rod 15 starts to drive the second clamping block 13 to bend under the action of the first push rod 14, when the first clamping frame 8 rotates to the uppermost position of the gear 6, the second clamping block 13 bends to the maximum degree at the moment, the first clamping block 12 is separated from the second clamping block 13, and the first clamping frame 8 is reset under the action of the first spring 11, so that the rivet can be loosened.
As a further scheme of the invention, the second screening mechanism comprises two second conveyor belts 18, the two second conveyor belts 18 are distributed at the left side and the right side of the inside of the support frame 4, and two rotating shafts inside the second conveyor belts 18 are both in rotary connection with the support frame 4; the surface of the second conveyor belt 18 is provided with a second clamping mechanism which is used for clamping and conveying rivets with normal lengths and removing rivets with overlong lengths; when the first screening mechanism conveys the rivets with overlong length and qualified length into the second screening mechanism, the driving mechanism drives the second screening mechanism to clamp the rivets with overlong length and qualified length, then drives the rivets with overlong length and qualified length to move, the rivets with overlong length can be automatically removed through the second screening mechanism in the process of conveying the rivets, and then the rivets with qualified length are conveyed onto the lithium battery cover plate.
As a further scheme of the invention, the second clamping mechanism comprises a plurality of second clamping frames 19 and a plurality of fixed frames 20, the fixed frames 20 are uniformly distributed on the surface of the second conveyor belt 18, the fixed frames 20 are fixedly connected with the second conveyor belt 18, the second clamping frames 19 are in sliding connection with the fixed frames 20, the surfaces of the second clamping frames 19 are positioned in the fixed frames 20, a fixed plate 21 is fixedly connected with the surfaces of the fixed plates 21, a second spring 22 is fixedly connected with the other ends of the second springs 22, and the fixed plate 21 is fixedly connected with the fixed frames 20; the bottom ends of the second conveyor belts 18 on the left side and the right side are respectively provided with a rotating rod 23, the bottom ends of the rotating rods 23 are rotationally connected with the rivet arranging machine 3, the upper ends of the rotating rods 23 are fixedly connected with cams 24, and the cams 24 on the left side and the right side are respectively attached to the surfaces of the fixed plates 21 on the left side and the right side; the bottom positions of the rotating rods 23 on the left side and the right side are close to one end surface of each other, a push plate 25 is fixedly connected with the bottom end of the push plate 25, a torsion spring 26 is fixedly connected with the bottom end of the torsion spring 26, and the bottom end of the torsion spring 26 is fixedly connected with the rivet arranger 3; the upper end surface of the push plate 25 is positioned at the bottom end of the rivet with normal length; when the rivet conveying device works, when the first clamping frame 8 conveys rivets to the uppermost position, the first clamping frame 8 loosens the rivets, meanwhile, the driving mechanism drives the second conveying belts 18 at the left end and the right end to drive the second conveying belts 18 at the left end and the right end to rotate, the fixed frame 20 and the second clamping frame 19 at the left end and the right end of the surfaces of the second conveying belts are respectively driven by the driving mechanism to move to the upper end position of the gear 6, the second clamping frame 19 clamps the rivets loosened by the first clamping frame 8, then the second clamping frame 19 and the rivets are driven to move forwards under the action of the conveying belts, when the rivets with normal lengths move forwards, the positions of the upper ends of the push plates 25 are passed through the push plates 25, when the rivets with overlong lengths move forwards, the push plates 25 at the left end and the right end respectively drive the rotating rods 23 at the left end and the right end to rotate, the cams 24 at the upper end are driven by the rotating rods 23 to rotate, at the moment, the fixed plates 21 inside the second clamping frame 19 clamp the rivets with overlong lengths move to the positions of the cams 24, then the cams 24 can push the fixed plates 21 in the directions of the fixed frames 20 to move towards the second conveying plates 21 under the action of the cams 24, and then the reset springs are driven by the second torsion springs to move along the directions of the second clamping frames 21, and the reset levers are driven by the second rotating rods, and the reset levers are driven by the reset levers, and the rivet levers are driven.
As a further scheme of the invention, the driving mechanism comprises two motors 27, and the two motors 27 are fixedly connected with the surfaces of the left end and the right end of the support frame 4 respectively; the output shaft of the motor 27 is fixedly connected with a second bevel gear 28 and an incomplete gear 29, and the incomplete gear 29 is fixedly connected with a rotating shaft inside the first conveyor belt 5; the upper end of the second bevel gear 28 is meshed with a third bevel gear 30, the upper end of the third bevel gear 30 is fixedly connected with a fourth bevel gear 31, the third bevel gear 30 and the fourth bevel gear 31 are both in rotary connection with the support frame 4, and the fourth bevel gear 31 is meshed with the first bevel gear 10; the surfaces of one ends, close to each other, of the gears 6 on the left side and the right side are fixedly connected with bevel gears 32, fifth bevel gears 33 are meshed with the upper ends of the bevel gears 32 on the left side and the right side, and the upper ends of the fifth bevel gears 33 on the left side and the right side are fixedly connected with rotating shafts in the second conveyor belts 18 on the left side and the right side respectively; when the device works, the motors 27 at the left end and the right end can drive the second bevel gears 28 and the incomplete gears 29 at the left end and the right end to rotate simultaneously, the incomplete gears 29 can also drive the first conveyor belts 5 at the left end and the right end to drive, and the rivets on the surfaces of the first conveyor belts 5 can be driven to move backwards when the first conveyor belts 5 are driven; the incomplete gear 29 can drive the gear 6 to intermittently rotate when rotating, when the first conveyor belt 5 drives the rivets to move to the bottommost position of the gear 6, the gear 6 just drives the first clamping frame 8 to rotate to the bottommost position, at the moment, the incomplete gear 29 is disengaged from the gear 6, the gear 6 and the first clamping frame 8 are kept motionless, meanwhile, the second bevel gear 28 drives the third bevel gear 30 and the fourth bevel gear 31 to rotate, the fourth bevel gear 31 drives the threaded rod 9 to rotate through the first bevel gear 10, the threaded rod 9 drives the first clamping frame 8 to clamp the rivets at the position when rotating, and then the incomplete gear 29 is meshed with the gear 6 again to drive the gear 6 and the clamped rivets to rotate; when the gear 6 rotates, the bevel gear ring 32 connected with the gear 6 is driven to rotate, the fifth bevel gear 33 can be driven to rotate by the bevel gear ring 32, and when the fifth bevel gear 33 rotates, the second conveyor belt 18 is driven to drive.
As a further scheme of the invention, the riveting mechanism comprises a third conveyor belt 34 and a fixing frame 35, wherein two rotating shafts inside the third conveyor belt 34 are both in rotary connection with the bottom plate 1, the fixing frame 35 is fixedly connected with the bottom plate 1, the bottom end of the fixing frame 35 is fixedly connected with an air cylinder 36, and the bottom end of the air cylinder 36 is fixedly connected with a riveting machine 37; when the second conveyor belt 18 conveys the rivet to the foremost position, the rivet automatically falls into the riveting hole on the surface of the lithium battery cover plate, then the third conveyor belt 34 is started to convey the lithium battery cover plate with the rivet to the bottom end position of the riveting machine 37, and meanwhile, a new lithium battery cover plate is conveyed to the foremost position of the second conveyor belt 18; the cylinder 36 and the riveter 37 are then activated to rivet the lithium battery cover plate.
As a further scheme of the invention, the upper end of the rivet arranging machine 3 is provided with an upward bulge in the middle and downward inclined at the two ends; the left end and the right end of the rivet arranging machine 3 are symmetrically and fixedly connected with a first collecting frame 38 at the bottom end of the inclined plane; the rear end surface of the supporting plate 2 is fixedly connected with a second collecting frame 39; when the rivet sorting device works, after the second screening mechanism rejects the rivets with overlong lengths, the rivets with overlong lengths can fall on the upper end surface of the rivet arranging machine 3, and at the moment, the rivets falling on the surface of the rivet arranging machine 3 can fall into the first collecting frames 38 at the left end and the right end through inclined planes at the left end and the right end of the upper position of the rivets; rivets of too short a length, which are not gripped by the first screening means on the surface of the first conveyor 5, are constantly moved backwards by the first conveyor 5 and eventually fall into the second collecting frame 39.
Claims (6)
1. The utility model provides an automatic riveter pay-off structure of lithium cell apron, includes bottom plate (1), its characterized in that: the riveting machine is characterized in that the upper end of the bottom plate (1) is fixedly connected with a supporting plate (2), the upper end of the supporting plate (2) is fixedly connected with a rivet arranging machine (3), a feeding mechanism is arranged at the upper end of the supporting plate (2), and the feeding mechanism is used for conveying rivets arranged in the rivet arranging machine (3) to a riveting position and removing unqualified rivets in the rivet conveying process; a riveting mechanism is arranged at the position, close to the front position, of the upper end of the bottom plate (1), and is used for riveting rivets conveyed by the feeding mechanism on the lithium battery cover plate;
The feeding mechanism comprises a supporting frame (4), the supporting frame (4) is fixedly connected with the upper end face of the supporting plate (2), first conveyor belts (5) are symmetrically arranged at the left end and the right end of the interior of the supporting frame (4), and two rotating shafts in the first conveyor belts (5) are respectively connected with the supporting frame (4) and the rivet arranging machine (3) in a rotating mode; the inside of the supporting frame (4) is provided with a first screening mechanism and a second screening mechanism, the first screening mechanism is used for removing the too short rivets among the rivets conveyed by the feeding mechanism, and the second screening mechanism is used for removing the too long rivets among the rivets conveyed by the feeding mechanism; a driving mechanism is arranged in the support frame (4) and used for driving the first conveyor belt (5) to drive the first screening mechanism and the second screening mechanism to reject unqualified rivets;
The first screening mechanism comprises two gears (6) and two driving shafts (7), the two driving shafts (7) are respectively and rotatably connected with the left side and the right side of the inside of the supporting frame (4), and the two gears (6) are respectively and fixedly connected with the two driving shafts (7); the surface of the gear (6) is provided with a first clamping mechanism which is used for clamping a rivet with overlong length and normal length transmitted from the surface of the first conveyor belt (5);
The first clamping mechanism comprises a plurality of first clamping frames (8), the first clamping frames (8) are uniformly distributed on the surface of the gear (6), and the first clamping frames (8) are in sliding connection with the gear (6); the surface of the driving shaft (7) is uniformly and rotatably connected with a plurality of threaded rods (9), one end of each threaded rod (9) is fixedly connected with a first bevel gear (10), and the other end of each threaded rod (9) is rotatably connected with the corresponding gear (6); the threaded rod (9) is in threaded fit with the first clamping frame (8), and the thread lead angle of the surface of the threaded rod (9) is larger than the equivalent friction angle of the threaded rod; a first spring (11) is fixedly connected to the surface of the first clamping frame (8) in the direction close to the threaded rod (9), and the other end of the first spring (11) is fixedly connected with the gear (6); the surface of the first clamping frame (8) is fixedly connected with a first clamping block (12) at the connection position of the threaded rod (9), a second clamping block (13) is fixedly connected at the position corresponding to the first clamping block (12) on the surface of the gear (6), the first clamping block (12) is matched with the second clamping block (13) in a clamping way, and the second clamping block (13) is made of elastic metal; the two ends of the support frame (4) which are positioned at the upper end of the gear (6) are symmetrically and fixedly connected with a first push rod (14), the surface of the second clamping block (13) is fixedly provided with a second push rod (15), and the first push rod (14) and the second push rod (15) are mutually attached; the left end and the right end of the driving shaft (7) at the left side and the right side are respectively and fixedly connected with a ratchet wheel (16), pawls (17) are meshed with the surfaces of the ratchet wheels (16) at the left side and the right side, and the pawls (17) are fixedly connected with the supporting frame (4).
2. The feeding structure of the automatic riveting machine for the lithium battery cover plate, according to claim 1, is characterized in that: the second screening mechanism comprises two second conveyor belts (18), the two second conveyor belts (18) are distributed at the left side and the right side of the inside of the support frame (4), and two rotating shafts inside the second conveyor belts (18) are both in rotary connection with the support frame (4); the surface of the second conveyor belt (18) is provided with a second clamping mechanism which is used for clamping and conveying rivets with normal lengths and removing rivets with overlong lengths.
3. The feeding structure of the automatic riveting machine for the lithium battery cover plate according to claim 2, wherein: the second clamping mechanism comprises a plurality of second clamping frames (19) and a plurality of fixing frames (20), wherein the fixing frames (20) are uniformly distributed on the surface of the second conveying belt (18), the fixing frames (20) are fixedly connected with the second conveying belt (18), the second clamping frames (19) are in sliding connection with the fixing frames (20), fixing plates (21) are fixedly connected to the surfaces of the second clamping frames (19) at the inner positions of the fixing frames (20), second springs (22) are fixedly connected to the surfaces of the fixing plates (21), and the other ends of the second springs (22) are fixedly connected with the fixing frames (20); the bottom end positions of the second conveyor belts (18) on the left side and the right side are respectively provided with a rotating rod (23), the bottom ends of the rotating rods (23) are rotationally connected with the rivet arranging machine (3), the upper ends of the rotating rods (23) are fixedly connected with cams (24), and the cams (24) on the left side and the right side are respectively attached to the surfaces of the fixing plates (21) on the left side and the right side; the bottom positions of the rotating rods (23) on the left side and the right side are close to one end surface of each other, a push plate (25) is fixedly connected with the bottom end of the push plate (25), a torsion spring (26) is fixedly connected with the bottom end of the torsion spring (26), and the bottom end of the torsion spring (26) is fixedly connected with the rivet arranging machine (3); the upper end surface of the push plate (25) is positioned at the bottom end of the rivet with normal length.
4. The feeding structure of the automatic riveting machine for the lithium battery cover plate according to claim 2, wherein: the driving mechanism comprises two motors (27), and the two motors (27) are fixedly connected with the surfaces of the left end and the right end of the supporting frame (4) respectively; the output shaft of the motor (27) is fixedly connected with a second bevel gear (28) and an incomplete gear (29), and the incomplete gear (29) is fixedly connected with a rotating shaft in the first conveyor belt (5); a third bevel gear (30) is meshed with the upper end of the second bevel gear (28), a fourth bevel gear (31) is fixedly connected with the upper end of the third bevel gear (30), the third bevel gear (30) and the fourth bevel gear (31) are both in rotary connection with the support frame (4), and the fourth bevel gear (31) is meshed with the first bevel gear (10); the surfaces of one ends, close to each other, of the gears (6) on the left side and the right side are fixedly connected with bevel gear rings (32), fifth bevel gears (33) are meshed with the upper ends of the bevel gear rings (32) on the left side and the right side, and the upper ends of the fifth bevel gears (33) on the left side and the right side are fixedly connected with rotating shafts inside second conveying belts (18) on the left side and the right side respectively.
5. The feeding structure of the automatic riveting machine for the lithium battery cover plate, according to claim 1, is characterized in that: the riveting mechanism comprises a third conveying belt (34) and a fixing frame (35), wherein two rotating shafts inside the third conveying belt (34) are both rotationally connected with the bottom plate (1), the fixing frame (35) is fixedly connected with the bottom plate (1), an air cylinder (36) is fixedly connected with the bottom end of the fixing frame (35), and a riveting machine (37) is fixedly connected with the bottom end of the air cylinder (36).
6. The feeding structure of the automatic riveting machine for the lithium battery cover plate, according to claim 1, is characterized in that: the upper end of the rivet arranging machine (3) is provided with an upward bulge in the middle and two downward inclined ends; the left end and the right end of the rivet arrangement machine (3) are symmetrically and fixedly connected with a first collecting frame (38) at the bottom end of the inclined plane; the surface of the rear end of the supporting plate (2) is fixedly connected with a second collecting frame (39).
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| CN202210047476.5A CN114378247B (en) | 2022-01-17 | 2022-01-17 | Automatic riveter feeding structure of lithium battery cover plate |
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| CN202210047476.5A CN114378247B (en) | 2022-01-17 | 2022-01-17 | Automatic riveter feeding structure of lithium battery cover plate |
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| CN114378247B true CN114378247B (en) | 2024-05-31 |
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| CN113306973A (en) * | 2020-02-27 | 2021-08-27 | 昆山华复精密金属有限公司 | Rivet automatic feeding |
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| FR1123028A (en) * | 1955-03-03 | 1956-09-17 | O T A L U | Automatic rivet feeder for riveting machines and the like |
| KR20120005843U (en) * | 2011-02-10 | 2012-08-20 | 빈센트 양 | Inspecting apparatus for fixing member |
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| CN114378247A (en) | 2022-04-22 |
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