CN116197315A

CN116197315A - Conveyer for tin cover

Info

Publication number: CN116197315A
Application number: CN202310494216.7A
Authority: CN
Inventors: 徐瑛娟; 潘军
Original assignee: Hunan Changsha Yunfa Packing Industry Co ltd
Current assignee: Hunan Changsha Yunfa Packing Industry Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-06-02
Anticipated expiration: 2043-05-05
Also published as: CN116197315B

Abstract

The invention relates to a conveying device for a tin plate cover, which comprises a base, wherein a cross beam is fixed on the base, and the conveying device further comprises: the stamping forming mechanism is arranged on the base and comprises a stamping die and a bottom die, and the stamping forming mechanism stamps the blank into a can cover through the interaction of the stamping die and the bottom die; the feeding mechanism is arranged on the base and comprises a conveying belt, and the conveying belt is used for conveying blanks to the bottom die one by one; the feeding mechanism comprises a second electromagnetic suction plate, and blanks on the feeding cylinder are transferred onto the conveyor belt one by one through the second electromagnetic suction plate; the stamping forming mechanism alternately drives the feeding mechanism and the feeding mechanism in the stamping processing process of the blank, so that the feeding mechanism drives the conveying belt to convey the blank onto the bottom die after the blank is transferred onto the conveying belt by the feeding mechanism, and the stamping forming can cover on the bottom die is taken down and collected in the material collecting box in the blank conveying process of the conveying belt.

Description

Conveyer for tin cover

Technical Field

The invention relates to the field of manufacturing of canning sealing covers, in particular to a conveying device for a tin-made cover.

Background

In the process of manufacturing the metal can cover by using the tinplate, blanks are required to be placed at stations of a stamping mechanism one by one for stamping, so that the labor intensity is high, the production efficiency is low, dangers are easy to occur when workers place the blanks, the automation degree is low, continuous and efficient production operation of the tinplate cover is not facilitated, and in view of the fact, the conveying device for the tinplate cover is provided.

Disclosure of Invention

The invention aims to provide a conveying device for a tin plate cover, which is used for solving the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a conveyer for tin plate cover, includes the base, is fixed with the crossbeam on the base, still includes:

the stamping forming mechanism is arranged on the base and comprises a stamping die and a bottom die, and the stamping forming mechanism stamps the blank into a can cover through the interaction of the stamping die and the bottom die;

the feeding mechanism is arranged on the base and comprises a conveying belt, and the conveying belt is used for conveying blanks to the bottom die one by one so that the stamping forming mechanism can stamp the blanks;

the feeding mechanism comprises a second electromagnetic suction plate, and blanks on the feeding cylinder are transferred onto the conveyor belt one by one through the second electromagnetic suction plate;

the stamping forming mechanism alternately drives the feeding mechanism and the feeding mechanism in the stamping processing process of the blank, so that the feeding mechanism drives the conveying belt to convey the blank onto the bottom die after the blank is transferred onto the conveying belt by the feeding mechanism, and the stamping forming can cover on the bottom die is taken down and collected in the material collecting box in the blank conveying process of the conveying belt.

Preferably, the stamping forming mechanism comprises a fluted disc which is connected with the beam in a fixed shaft rotating way, the fluted disc is of an incomplete gear structure, the fluted disc is connected with a motor in a transmission way, the motor is fixed on a vertical frame, and the vertical frame is fixed on the base.

Preferably, the base is fixedly provided with a die seat, the bottom die is fixed on the die seat, the vertical frame is fixedly provided with a guide sleeve, the guide sleeve is connected with a pressing rod in a sliding manner, the lower end of the pressing rod is fixedly provided with a stamping die, the upper end of the pressing rod is fixedly connected with the lower end of the connecting rod in a rotating manner, and the upper end of the connecting rod is fixedly connected with the fluted disc in a rotating manner at a position far away from the circle center.

Preferably, the feeding mechanism comprises a frame fixed on the base, the frame is horizontally arranged horizontally, the two ends of the frame are respectively and fixedly connected with rollers in a rotating manner, the two rollers are connected through a transmission belt in a transmission manner, the fixed shaft on the cross beam is rotationally connected with a first gear which can be meshed with the fluted disc, and the first gear is connected with one of the rollers in a transmission manner through a belt wheel assembly.

Preferably, a plurality of brackets are fixed on the conveyor belt, and the brackets are arranged at equal intervals along the length direction of the conveyor belt.

Preferably, an electromagnetic suction plate I is arranged between two adjacent brackets on the conveyor belt, the electromagnetic suction plate I is fixed on the conveyor belt through two supporting rods, one end of each supporting rod, far away from the electromagnetic suction plate I, is fixedly provided with an electrode tip, a groove frame is fixed on the vertical frame, two sliding grooves which are arranged in parallel are formed in the groove frame, metal electrode plates are fixed in the sliding grooves, and the electrode tips can be respectively connected with the two metal electrode plates.

Preferably, the material receiving box is arranged on the base, the material guiding plate is arranged on the material receiving box, and the electromagnetic suction plate is separated from the groove frame to loosen the adsorbed formed tank cover and enable the electromagnetic suction plate to fall on the material guiding plate.

Preferably, the feeding mechanism comprises a shaft bracket fixed on the cross beam, the shaft bracket is fixedly connected with a reciprocating screw rod in a rotating way, one end of the reciprocating screw rod is in transmission connection with a gear II through a bevel gear set, the gear II is fixedly connected on the cross beam in a rotating way, and the gear II can be in meshed connection with the fluted disc.

Preferably, a sliding sleeve I which is matched with the sliding sleeve I is sleeved on the reciprocating screw rod in a sliding manner, a sliding sleeve II is fixed on the sliding sleeve I, a sliding rod is inserted in the sliding sleeve II in a sliding manner, the upper end and the lower end of the sliding rod are respectively fixed with a sliding block and an electromagnetic suction plate II, a touch switch I and a touch switch II are fixed at the bottom of the cross beam, and the sliding rod can be respectively in buckling contact with the touch switch I and the touch switch II.

Preferably, a groove plate is fixed on the cross beam, an arc groove I, a straight groove and an arc groove II are formed in the groove plate, two ends of the straight groove are respectively connected with the arc groove I and the arc groove II, and the sliding block can slide in the arc groove I, the straight groove and the arc groove II.

Preferably, the feeding cylinder is fixed on the base, the feeding cylinder is connected with a material supporting plate in a sliding manner, and the material supporting plate is connected with the bottom of the feeding cylinder through a spring.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the stamping forming processing of the can cover is realized through the stamping forming mechanism, and the stamping forming mechanism alternately drives the feeding mechanism and the feeding mechanism in the stamping processing process of the blank, so that the feeding mechanism transfers the blank to the conveyor belt to realize automatic feeding, and then the feeding mechanism drives the conveyor belt to convey the blank to the bottom die, so that the stamping forming mechanism performs stamping processing on the blank, and the stamping forming can cover on the bottom die is taken down and collected in the material collecting box in the blank conveying process of the conveyor belt, thereby realizing automatic material taking and material collecting from the bottom die, avoiding manual operation, saving time and labor, being safe and reliable, realizing continuous and efficient processing operation, and greatly improving the automation degree and the production efficiency.

Drawings

FIG. 1 is a schematic diagram of the general assembly structure of the present invention;

FIG. 2 is a top view of the conveyor belt structure of the present invention;

fig. 3 is a schematic cross-sectional structure of a trough frame in the present invention.

In the figure: 1. a base; 2. a frame; 3. an electromagnetic suction plate I; 4. a mold base; 5. a material receiving box; 6. a roller; 7. a bottom die; 8. a conveyor belt; 9. a pulley assembly; 10. a cross beam; 11. a first gear; 12. fluted disc; 13. a second gear; 14. a bevel gear set; 15. a slide block; 16. an arc-shaped groove I; 17. a straight groove; 18. a trough plate; 19. an arc-shaped groove II; 20. a shaft bracket; 21. a material guide plate; 22. a trough rack; 23. a vertical frame; 24. a first connecting rod; 25. a compression bar; 26. a guide sleeve; 27. stamping die; 28. a first sliding sleeve; 29. a second sliding sleeve; 30. a touch switch I; 31. a slide bar; 32. an electromagnetic suction plate II; 33. a bracket; 34. a feeding cylinder; 35. a material supporting plate; 36. a spring; 37. an electrode head; 38. a support rod; 39. a chute; 40. a metal electrode sheet; 41. a reciprocating screw rod; 42. and a second touch switch.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a conveyer for tin plate cover, includes base 1, is fixed with crossbeam 10 on the base 1, still includes:

the stamping and forming mechanism is arranged on the base 1 and comprises a stamping die 27 and a bottom die 7, and the stamping and forming mechanism stamps the blank into a can cover through the interaction of the stamping die 27 and the bottom die 7;

the feeding mechanism is arranged on the base 1 and comprises a conveyor belt 8, and the conveyor belt 8 is used for conveying blanks to the bottom die 7 one by one so that the stamping forming mechanism performs stamping processing on the blanks;

the feeding mechanism is arranged on the base 1 and comprises a second electromagnetic suction plate 32, and blanks on the feeding cylinder 34 are transferred onto the conveyor belt 8 one by one through the second electromagnetic suction plate 32;

the stamping forming mechanism alternately drives the feeding mechanism and the feeding mechanism in the stamping processing process of the blank, so that the feeding mechanism drives the conveying belt 8 to convey the blank onto the bottom die 7 after the blank is transferred onto the conveying belt 8 by the feeding mechanism, and the stamping forming can cover on the bottom die 7 is taken down and collected in the material receiving box 5 in the blank conveying process of the conveying belt 8.

In this embodiment, the stamping forming mechanism includes fixed axis rotates fluted disc 12 of being connected on the crossbeam 10, and fluted disc 12 is incomplete gear structure, fluted disc 12 is connected with motor drive, and the motor is fixed on grudging post 23, the motor is not drawn in this application, grudging post 23 is fixed on base 1, be fixed with mould seat 4 on the base 1, and die block 7 is fixed on mould seat 4, be fixed with uide bushing 26 on the grudging post 23, and the inside sliding connection of uide bushing 26 has depression bar 25, the lower extreme of depression bar 25 is fixed with stamping die 27, the upper end dead axle of depression bar 25 rotates the lower extreme of connecting rod 24, the upper end of connecting rod 24 is kept away from the position dead axle rotation connection in centre of a circle on with fluted disc 12.

In this embodiment, the feeding mechanism includes a frame 2 fixed on the base 1, the frame 2 is horizontally arranged, two ends of the frame 2 are fixedly connected with rollers 6 in a rotating manner, two rollers 6 are in transmission connection with each other through a conveyor belt 8, a gear one 11 is fixedly connected with a beam 10 in a rotating manner, the gear one 11 can be meshed with a fluted disc 12, the gear one 11 is in transmission connection with one of the rollers 6 through a belt wheel assembly 9, a plurality of brackets 33 are fixed on the conveyor belt 8, a plurality of brackets 33 are arranged at equal intervals along the length direction of the conveyor belt 8, an electromagnetic suction plate one 3 is arranged between two adjacent brackets 33 on the conveyor belt 8, the electromagnetic suction plate one 3 is fixed on the conveyor belt 8 through two support rods 38, one end, far away from the electromagnetic suction plate one 3, of each support rod 38 is fixed with an electrode tip 37, a groove frame 22 is fixed on the vertical frame 23, two sliding grooves 39 which are mutually parallel are arranged are formed in the groove frame 22, a metal electrode tip 40 is fixed in each sliding groove 39, and the two electrode tips 37 can be respectively connected with the two metal electrode tips 40.

In this embodiment, the material receiving box 5 is disposed on the base 1, and the material guiding plate 21 is disposed on the material receiving box 5, and the electromagnetic suction plate 3 and the slot frame 22 release the adsorbed formed can cover and make it fall on the material guiding plate 21 after leaving.

In this embodiment, the feeding mechanism includes a shaft bracket 20 fixed on the beam 10, a reciprocating screw 41 is fixedly connected to the shaft bracket 20 in a rotating manner, one end of the reciprocating screw 41 is in transmission connection with a gear two 13 through a bevel gear set 14, the gear two 13 is fixedly connected to the beam 10 in a rotating manner, the gear two 13 can be meshed with a fluted disc 12, a sliding sleeve one 28 which is matched with the reciprocating screw 41 is sleeved on the reciprocating screw 41 in a sliding manner, a sliding sleeve two 29 is fixed on the sliding sleeve one 28, a sliding rod 31 is inserted in the sliding sleeve two 29 in a sliding manner, the upper end and the lower end of the sliding rod 31 are respectively fixed with a sliding block 15 and an electromagnetic suction plate two 32, a touch switch one 30 and a touch switch two 42 are fixed at the bottom of the beam 10, the sliding rod 31 can be respectively buckled with the touch switch one 30 and the touch switch two 42, a groove plate 18 is fixed on the beam 10, an arc groove one 16, a straight groove 17 and an arc groove two 19 are formed on the groove 18, two ends of the straight groove 17 are respectively connected with the arc groove one 16 and the arc groove two 19, and the sliding blocks 15 can slide in the arc groove 16 and the straight groove 17 and the arc groove 19.

In this embodiment, the feeding barrel 34 is fixed on the base 1, the feeding barrel 34 is slidably connected with a material supporting plate 35, and the material supporting plate 35 is connected with the bottom of the feeding barrel 34 through a spring 36.

The invention has the working principle and advantages that: when the conveying device for the tin plate cover is used, the working process is as follows:

as shown in fig. 1, the motor is started to work by the controller, so that the motor drives the fluted disc 12 to rotate clockwise, the fluted disc 12 drives the pressing rod 25 to move up and down in the guide sleeve 26 through the connecting rod 24, the pressing die 27 is driven to move down and the blank in the bracket 33 right below the pressing rod 25 is pressed and formed when the pressing rod 25 moves down, the formed can cover is positioned on the bottom die 7, and the pressing die is driven to move up and away from the formed can cover when the pressing rod 25 moves up, so that the press forming processing of the can cover is realized.

As described above, in the process that the height of the lower end surface of the stamping die 27 is just higher than the height of the upper surface of the bracket 33 to the height of the lower end surface of the stamping die 27 to be just lower than the height of the upper surface of the bracket 33, the fluted disc 12 is meshed with the first gear 11 and is not meshed with the second gear 13, in the process, the fluted disc 12 drives the first gear 11 to rotate anticlockwise, so that the first gear 11 drives the roller 6 at the left end of the frame 2 to synchronously rotate anticlockwise through the belt pulley assembly 9, and further the roller 6 drives the conveyor belt 8 to rotate anticlockwise, so that the conveyor belt 8 drives the empty bracket 33 under the stamping die 27 to move leftwards, and simultaneously drives the bracket 33 with blanks at the right side of the stamping die 27 to move right under the stamping die 27, so as to automatically convey the blanks to the bottom die 7 one by one, and realize automatic feeding;

as described above, while the empty bracket 33 directly below the stamping die 27 moves leftwards, the conveyor belt drives the first electromagnetic suction plate 3 on the right side of the control bracket 33 to move leftwards, as shown in fig. 2 and 3, when two corresponding electrode heads 37 of the first electromagnetic suction plate 3 enter the chute 39, the electrode heads 37 are in contact with the corresponding metal electrode plates 40 and enable the first electromagnetic suction plate 3 to generate electromagnetic suction, when the first electromagnetic suction plate 3 passes directly above the bottom die 7, the formed can cover is sucked and separated from the bottom die 7 by the electromagnetic suction, when the bracket 33 with blanks on the right side of the stamping die 27 is directly below the stamping die 27, the electrode heads 37 on the first electromagnetic suction plate 3 leave the chute 39 and are directly above the material guide plate 21, and at this time, the first electromagnetic suction plate 3 is powered off and does not generate electromagnetic suction, so that the formed can cover does not need to drop on the material guide plate 21, then is collected in the material collecting box 5 through the material guide plate 21, automatic material collecting from the bottom die 7 is realized, manual material collecting operation is realized, safety and production efficiency is greatly improved, and labor is saved, and production efficiency is greatly improved.

In the process that the height of the lower end face of the stamping die 27 is about to be lower than the height of the upper surface of the bracket 33 to the height of the lower end face of the stamping die 27 is just higher than the height of the upper surface of the bracket 33, the fluted disc 12 is meshed with the gear II 13 and is not meshed with the gear I11, in the process, the fluted disc 12 drives the gear II 13 to rotate anticlockwise, so that the gear II 13 drives the reciprocating screw rod 41 to rotate through the bevel gear set 14, and in the process that the reciprocating screw rod 41 rotates, the sliding sleeve I28 is driven to move from the left end to the right end and then moves to the left end position again;

in the process that the sliding sleeve I28 slides to the right end from the left end on the reciprocating screw rod 41, the sliding sleeve I28 drives the sliding sleeve II 29 to synchronously move, the sliding sleeve II 29 synchronously drives the sliding rod 31, the sliding blocks 15 at the upper end and the lower end of the sliding rod and the electromagnetic suction plate II 32 to horizontally move right, and in the vertical direction, the sliding blocks 15 sequentially pass through the arc-shaped groove I16, the straight groove 17 and the arc-shaped groove II 19, so that the sliding blocks 15 drive the sliding rod 31 and the electromagnetic suction plate II 32 to move upwards, then keep the height unchanged and finally move downwards, when the sliding rod 31 reaches the right end of the reciprocating screw rod 41, the sliding rod 31 is in buckling contact with the touch switch II 42, meanwhile, the electromagnetic suction plate II 32 is just positioned on the upper surface of a blank at the uppermost end in the upper charging barrel 34, the touch switch II 42 conveys a touch signal of the sliding rod 31 to the controller, and the controller controls the electromagnetic suction plate II 32 to electrify, so that the electromagnetic suction plate II 32 generates electromagnetic suction force, and the blank is sucked by the electromagnetic suction force;

in the process that the first sliding sleeve 28 slides to the left end from the right end on the reciprocating screw rod 41, the first sliding sleeve 28 drives the second sliding sleeve 29 to synchronously move, the second sliding sleeve 29 synchronously drives the sliding rod 31, the sliding blocks 15 at the upper end and the lower end of the sliding rod, and the second electromagnetic suction plate 32 to horizontally move left, in the vertical direction, the sliding blocks 15 sequentially pass through the second arc-shaped groove 19, the straight groove 17 and the first arc-shaped groove 16, so that the sliding blocks 15 drive the sliding rod 31 and the second electromagnetic suction plate 32 to move upwards, the height is kept unchanged, and finally move downwards, when the sliding rod 31 reaches the left end of the reciprocating screw rod 41, the sliding rod is in buckling contact with the first touch switch 30, meanwhile, the second electromagnetic suction plate 32 is just positioned above the empty bracket 33 at the rightmost end of the conveyor belt 8, the first touch switch 30 conveys touch signals of the sliding rod 31 to the controller, the controller controls the second electromagnetic suction plate 32 to be powered off, and then the second electromagnetic suction plate 32 loses electromagnetic suction force, and the blank falls on the bracket 33, so that automatic feeding is realized, continuous and efficient processing operation is realized, and the degree of automation and production efficiency are greatly improved.

After the blank in the feeding barrel 34 is reduced, the material supporting plate 35 is enabled to move upwards under the action of the spring 36, so that the electromagnetic suction plate II 32 smoothly sucks the uppermost blank, and the blank in the feeding barrel 34 is only needed to be replenished periodically in the whole process, so that the operation is simple and convenient.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The utility model provides a conveyer for tin plate cover, includes base (1), be fixed with crossbeam (10), its characterized in that on base (1): further comprises:

the stamping and forming mechanism is arranged on the base (1) and comprises a stamping die (27) and a bottom die (7), and the stamping and forming mechanism stamps the blank into a can cover through the interaction of the stamping die (27) and the bottom die (7);

the feeding mechanism is arranged on the base (1) and comprises a conveyor belt (8), and the conveyor belt (8) is used for conveying blanks to the bottom die (7) one by one so that the stamping forming mechanism can stamp the blanks;

the feeding mechanism is arranged on the base (1) and comprises a second electromagnetic suction plate (32), and blanks on the feeding cylinder (34) are transferred onto the conveyor belt (8) one by one through the second electromagnetic suction plate (32);

the stamping forming mechanism is used for alternately driving the feeding mechanism and the feeding mechanism in the stamping processing process of the blank, so that the feeding mechanism drives the conveying belt (8) to convey the blank to the bottom die (7) after the blank is transferred onto the conveying belt (8), and the stamping forming can cover on the bottom die (7) is taken down and collected in the material receiving box (5) in the blank conveying process of the conveying belt (8).

2. The conveyor for tin lids as claimed in claim 1, wherein: the stamping forming mechanism comprises a fluted disc (12) which is connected with the beam (10) in a fixed shaft rotating way, the fluted disc (12) is of an incomplete gear structure, the fluted disc (12) is connected with a motor in a transmission way, the motor is fixed on a stand (23), and the stand (23) is fixed on the base (1).

3. The conveyor for tin lids as claimed in claim 2, wherein: the novel plastic die is characterized in that a die seat (4) is fixed on the base (1), a bottom die (7) is fixed on the die seat (4), a guide sleeve (26) is fixed on the stand (23), a pressing rod (25) is connected to the guide sleeve (26) in a sliding mode, a stamping die (27) is fixed at the lower end of the pressing rod (25), the upper end of the pressing rod (25) is fixedly connected with the lower end of a connecting rod (24) in a rotating mode, and the upper end of the connecting rod (24) is fixedly connected with a tooth disc (12) in a rotating mode at a position away from the center of a circle.

4. The conveyor for tin lids as claimed in claim 2, wherein: the feeding mechanism comprises a frame (2) fixed on a base (1), the frame (2) is horizontally arranged transversely, two ends of the frame (2) are respectively connected with a roller (6) in a fixed shaft rotation mode, the two rollers (6) are connected through a conveying belt (8) in a transmission mode, a gear I (11) is connected to a beam (10) in a fixed shaft rotation mode, the gear I (11) can be connected with a fluted disc (12) in a meshed mode, and the gear I (11) is connected with one roller (6) in a transmission mode through a belt wheel assembly (9).

5. The conveyor for tin lids as claimed in claim 4, wherein: a plurality of brackets (33) are fixed on the conveyor belt (8), and the brackets (33) are arranged at equal intervals along the length direction of the conveyor belt (8).

6. The conveyor for tin lids as claimed in claim 5, wherein: be located between two adjacent brackets (33) on conveyer belt (8) and be provided with electromagnetic suction plate one (3), electromagnetic suction plate one (3) is fixed on conveyer belt (8) through two branch (38), and two the one end that electromagnetic suction plate one (3) was kept away from to branch (38) is fixed with electrode tip (37), be fixed with on grudging post (23) cell frame (22), two spout (39) that are parallel to each other set up have been seted up on cell frame (22), and spout (39) internal fixation has metal electrode piece (40), two electrode tip (37) can be respectively with two metal electrode piece (40) electricity is connected.

7. The conveyor for tin lids as claimed in claim 6, wherein: the material receiving box (5) is arranged on the base (1), the material guiding plate (21) is arranged on the material receiving box (5), and the electromagnetic suction plate I (3) and the groove frame (22) are separated to release the adsorbed formed tank cover and enable the electromagnetic suction plate I to fall on the material guiding plate (21).

8. The conveyor for tin lids as claimed in claim 5, wherein: the feeding mechanism comprises a shaft bracket (20) fixed on the cross beam (10), the shaft bracket (20) is fixedly connected with a reciprocating screw rod (41) in a rotating mode, one end of the reciprocating screw rod (41) is in transmission connection with a gear II (13) through a bevel gear group (14), the gear II (13) is fixedly connected on the cross beam (10) in a rotating mode, and the gear II (13) can be connected with a fluted disc (12) in a meshing mode.

9. The conveyor for tin lids as claimed in claim 8, wherein: the reciprocating screw rod (41) is sleeved with and connected with a sliding sleeve I (28) which is matched with the sliding sleeve I in a sliding manner, a sliding sleeve II (29) is fixed on the sliding sleeve I (28), a sliding rod (31) is inserted into the sliding sleeve II (29) in a sliding manner, a sliding block (15) and a second electromagnetic suction plate (32) are respectively fixed at the upper end and the lower end of the sliding rod (31), a touch switch I (30) and a touch switch II (42) are fixed at the bottom of the cross beam (10), and the sliding rod (31) can be respectively buckled and contacted with the touch switch I (30) and the touch switch II (42);

the novel cross beam is characterized in that a groove plate (18) is fixed on the cross beam (10), an arc groove I (16), a straight groove (17) and an arc groove II (19) are formed in the groove plate (18), two ends of the straight groove (17) are respectively connected with the arc groove I (16) and the arc groove II (19), and the sliding block (15) can slide in the arc groove I (16), the straight groove (17) and the arc groove II (19).

10. The conveyor for tin lids as claimed in claim 9, wherein: the feeding barrel (34) is fixed on the base (1), a material supporting plate (35) is connected in a sliding mode in the feeding barrel (34), and the material supporting plate (35) is connected with the bottom of the feeding barrel (34) through a spring (36).