CN111229913B

CN111229913B - Be applied to removing devices on easy open can stretcher slide

Info

Publication number: CN111229913B
Application number: CN202010036839.6A
Authority: CN
Inventors: 马弘
Original assignee: Jinan United Can Making Co ltd
Current assignee: Jinan United Can Making Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2021-11-16
Anticipated expiration: 2040-01-14
Also published as: CN111229913A

Abstract

The invention provides a removing device applied to a slide way of a pop can stretcher, and belongs to the technical field of pop can production. The technical scheme is as follows: the pop can removing device comprises a first slide and a second slide fixedly connected with the first slide, a barrier strip is fixedly arranged between the second slide and the first slide, the barrier strip is arranged on two sides of the first slide and the second slide, the barrier strip on one side comprises an upper half portion and a lower half portion, a gap is arranged between the upper half portion and the lower half portion, a removing mechanism is arranged at the gap and comprises a bottom plate, a first support and a second support are arranged on the bottom plate, an opening and closing mechanism is arranged between the second support and the first support, the opening and closing mechanism drives the second support to move in the reverse direction of the first support, a sucker mechanism is further arranged on the bottom plate, and the sucker mechanism enables pop cans to be translated to the first support and the second support. The invention has the beneficial effects that: the pop can removing device can remove unqualified pop cans on the slide rail through the sucking disc, has high working efficiency, cannot be rubbed with subsequent pop cans when the pop cans are removed, and effectively ensures the quality of the subsequent pop cans.

Description

Be applied to removing devices on easy open can stretcher slide

Technical Field

The invention relates to the technical field of pop can production, in particular to a removing device applied to a slide way of a pop can stretcher.

Background

The two-piece aluminum pop can is a package which is popular with consumers and is widely applied to industries such as beverage, beer and the like.

The production process of pop-top can is relatively complex, mainly comprises three procedures of punching, metal surface treatment, printing, on-line detection and packaging, in which the punching procedure includes three procedures of punching cup, thinning-drawing/trimming and necking-down/flanging, firstly, the pop-top can is undergone the processes of punching and drawing, i.e. punching thin aluminium plate into round blank, then drawing into cup-shaped blank for thinning-drawing procedure, the thinning-drawing procedure is a composite punching procedure with blank-pressing, and is formed from 1 normal drawing, 3 thinning-drawing and 1 bottom reverse drawing procedures, in one punching process the blank is punched into thin-wall cylindrical workpiece whose bottom is arched and concave, the can mouth after thinning-drawing can be made into ear-making phenomenon, and trimming is to cut off ear-making portion of can body to make can mouth flat, after thinning-drawing/trimming, the pop-top can is roughly formed, after surface treatment and external printing, and entering a necking/flanging process.

After a blank which is punched and stretched enters a stretcher, the temperature of a stretching die in the stretcher is lower than a set temperature within a certain time after the stretcher is started, so that the height of a stretched can body is insufficient in the time period, the edge of the can opening is not completely trimmed, pop-top cans with insufficient height need to be removed in order to ensure the normal operation of subsequent processes, the method for removing the pop-top cans is to manually take out the original pop-top cans with insufficient height on a slide way at the outlet of the stretcher, but the manual operation has the following defects:

1. the pop-top can runs on the slide rail at a high speed, so that the phenomenon of missing taking is easy to occur;

2. the manual picking is time-consuming and labor-consuming, the pop can subsequently output from the outlet of the stretcher is easy to collide with hands during the manual picking, and the rigidity of the thinned and stretched pop can is reduced to some extent, so that the pop can deforms after colliding with the hands.

Disclosure of Invention

The invention aims to provide a removing device applied to a slide way of a pop can stretcher, and the removing device is used for solving the technical problems that a pop can is easily missed to be picked up and deformed when being picked up manually.

The invention is realized by the following measures:

the utility model provides a be applied to removing devices on easy open can stretcher slide, including slide one and with slide one fixed connection's slide two, the fixed blend stop that is equipped with between slide two and the slide one, the blend stop is established at slide one and two sides of slide, and wherein one side blend stop includes first and lower half, is equipped with the interval between first and the lower half, and interval department is equipped with the removal mechanism, the removal mechanism includes the bottom plate, be equipped with support one and support two on the bottom plate, be equipped with the mechanism that opens and shuts between support two and the support one, open and shut mechanism drive support two and support one reverse motion, still be equipped with sucking disc mechanism on the bottom plate, sucking disc mechanism is with the easy open can translation to support one and support two.

Further, the sucking disc mechanism includes micropump, solenoid valve, sucking disc frame and electric putter, be equipped with electric putter frame on the bottom plate, electric putter's push rod cover and electric putter frame fixed connection, electric putter's piston rod and sucking disc frame fixed connection, be equipped with the sucking disc on the sucking disc frame, the micropump with the solenoid valve all establishes on the bottom plate, the micropump is connected with the solenoid valve through the air duct, and the solenoid valve passes through the air duct and connects the sucking disc, the sucking disc sets up on the sucking disc frame, the sucking disc is just to the easy open can tank bottoms.

Furthermore, a base is arranged on the bottom plate, a supporting shaft is arranged on the base, a second support and a first support are arranged on the supporting shaft, and the second support and the first support move in the opposite direction along the axis of the supporting shaft.

Further, one of the supports includes floorbar A, be equipped with down semicircle ring A on the floorbar A, semicircle ring A includes bottom A and upper portion A down, and lower semicircle ring A's bottom A is tangent and fixed connection with floorbar A, floorbar A both sides are provided with bed frame A, and fixed connection goes up semicircle ring A on the bed frame A, and last semicircle ring A includes top A and lower part A, and last semicircle ring A's top A is tangent and fixed connection with bed frame A, and last semicircle ring A corresponds with lower semicircle ring A and sets up the formation circular shape, is provided with the gap A that the suction disc frame of being convenient for passed between last semicircle ring A's lower part A and lower semicircle ring A's the upper portion A.

Further, the second support includes floorbar B, be equipped with down semicircle ring B on the floorbar B, lower semicircle ring B includes bottom B and upper portion B, and lower semicircle ring B's bottom B is tangent and fixed connection with floorbar B, floorbar B both sides are provided with bed frame B, and fixed connection goes up semicircle ring B on the bed frame B, and last semicircle ring B includes top B and lower part B, and the top B of first semicircle ring B is tangent and fixed connection with bed frame B, and last semicircle ring B corresponds with lower semicircle ring B and sets up and form circularly, is provided with the gap B that the suction disc frame of being convenient for passed between upper semicircle ring B's lower part B and lower semicircle ring B's the upper portion B, gap B's height equals gap A's height.

Further, the opening and closing mechanism comprises a motor, an elliptical wheel is arranged on an output shaft of the motor, the elliptical wheel is arranged between the bottom beam A and the bottom beam B, the length of a long shaft of the elliptical wheel is larger than the height of the pop can, a spring is arranged between the bottom beam A and the bottom beam B, one end of the spring is fixedly connected with the bottom beam A, and the other end of the spring is fixedly connected with the bottom beam B.

Further, a hanging rack is arranged on the first slide way, one end of the hanging rack is fixedly connected with the first slide way, and the other end of the hanging rack is fixedly connected with the bottom plate.

Further, the height of the gap A is equal to that of the suction cup frame.

The invention has the beneficial effects that:

1. the first slide rail and the second slide rail are fixedly connected to form a total slide rail, the thinned and stretched pop cans are output to the stretching machine through the total slide rail, the two barrier strips are used for preventing the pop cans from falling off in the total slide rail, one of the two barrier strips is kept unchanged, a part of the other barrier strip is cut off to form an upper half part and a lower half part, the cut-off parts form intervals, the interval is formed, the pop cans which are not stretched in place can be conveniently moved out from the interval positions, the pop cans are sucked out of the total slide rail by using a sucking disc and then are translated to the first support frame and the second support frame, the first support frame and the second support frame play a supporting role, the first support frame and the second support frame are driven by the opening and closing mechanism to reversely convey the first support frame and the second support frame, and when the distance between the first support frame and the second support frame is larger than the height of the pop cans, the pop cans fall off and finally fall off from the bottom plate.

2. The electric push rod is used for controlling the position of the suction disc frame and further controlling the position of a suction disc on the suction disc frame, when a piston rod of the electric push rod contracts, the suction disc sucks the pop can, the pop can is translated to the first support and the second support, the opening and the stopping of the micro pump directly control the opening and the closing of the electromagnetic valve, and further the suction and the falling of the suction disc are controlled.

3. The support shaft mainly plays a role in supporting the first support and the second support and can ensure that the first support and the second support keep linear reverse motion.

4. The gap A and the gap B are used for facilitating the suction cup frame to penetrate, the upper semicircle A and the lower semicircle A form a circle, and the upper semicircle B and the lower semicircle B form a circle, so that the purpose of ensuring that the pop can is completely separated from the limit of the total slide way is achieved. When unqualified pop cans fall off, the cans roll off at the same position, irregular falling off cannot be caused, and collection is facilitated.

5. The oval wheel is used for increasing the distance between the first support and the second support, so that the pop can conveniently fall off, the spring has a reset effect, and after the distance between the first support and the second support is increased, the distance between the first support and the second support is restored to the initial position.

6. The pop can removing device can remove unqualified pop cans on the slide rail through the sucking disc, has high working efficiency, cannot be rubbed with subsequent pop cans when the pop cans are removed, and effectively ensures the quality of the subsequent pop cans.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the first slide way, the second slide way and the baffle.

Fig. 3 is a schematic structural diagram of the first slide way, the second slide way and the rejecting mechanism.

Fig. 4 is a schematic structural view of the rejection mechanism.

Fig. 5 is a schematic structural diagram of the bracket I.

Fig. 6 is a schematic structural view of the second bracket.

Wherein the reference numerals are: 1. a first slideway; 2. a second slideway; 3. blocking strips; 31. an upper half part; 32. a lower half; 4. a rejection mechanism; 41. a base plate; 411. a base; 412. a support shaft; 42. a first bracket; 421. a bottom beam A; 422. a lower semicircular ring A; 423. a base frame A; 424. an upper semicircular ring A; 43. a second bracket; 431. a bottom beam B; 432. a lower semicircular ring B; 433. a base frame B; 434. an upper semicircular ring B; 44. an opening and closing mechanism; 441. a motor; 442. an elliptical wheel; 443. a spring; 45. a suction cup mechanism; 451. a micro-pump; 452. an electromagnetic valve; 453. a suction cup; 454. a suction cup holder; 455. an electric push rod; 456. an electric push rod frame; 46. a hanging rack.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

After a blank which is blanked and stretched enters a stretching machine, the stretching machine is started, the temperature of a stretching die is gradually increased from low within a period of time after the stretching machine is started, and before the blank is increased to a specified temperature, the height of the stretched pop can cannot reach the qualified height, so that the pop can with unqualified height needs to be removed. Based on the problems, the technical scheme of the invention is further adopted.

Referring to fig. 1 and 2, the invention relates to a removing device applied to a slide way of a pop can stretcher, which comprises a slide way I1 and a slide way II 2 fixedly connected with the slide way I1, wherein the slide way I1 consists of two parallel curve-shaped slide way strips, the distance between the two curve-shaped slide ways is equal to the height dimension of a pop can, the slide way II also consists of two parallel curve-shaped slide way strips, the distance between the two curve-shaped slide ways is equal to the height dimension of the pop can, the slide way I1 and the slide way II 2 are close to each other, the distance between the slide way I1 and the slide way II 2 is equal to the diameter dimension of the pop can, in order to ensure that the position between the slide way I1 and the slide way II 2 is unchanged, preferably, a square frame is adopted to fix the slide way I1 and the slide way II 2, two opposite edges of the direction frame fix the slide way I1 and the slide way II 2, and the thinned and stretched pop can is conveyed to an outlet by a zip-can chain in the stretcher, and then the chain is ejected out from the outlet of the stretcher by inertia, wherein the tank carrier chain is the prior art of the stretcher, is not the invention point of the invention, and is not described again.

Fixed blend stop 3 that is equipped with between two 2 of slides and the slide 1, blend stop 3 establishes in slide 1 and two 2 both sides of slide, drop in slide 1 and slide two 2 in order to prevent the easy open can, consequently set up blend stop 3 between slide 1 and slide two 2, preferred blend stop 3 is two, blend stop 3 welds in square frame two relative in addition and becomes, slide 1 like this, slide two 2 and blend stop 3 form the skeleton of whole slide, guarantee that the easy open can is steady to move on the slide.

Due to the existence of the barrier strip 3, unqualified pop cans are very inconvenient to move out of the slide way, 5 pop cans which cannot reach the qualified standard are arranged according to field experience, the slide way I1 and the slide way II 2 are arranged vertically, the 5 pop cans are difficult to take down manually in the vertical direction, the speed of the pop cans moving on the slide way is high, and the 5 pop cans slide over the vertical position instantly, so that the possibility of picking up missing exists manually.

To take out the pop-top can from the side, can only set up the interval on the barrier strip 3 of one side, wherein the height of interval must be the height of 5 pop-top cans, cut off a part on the barrier strip of one side, the length of the part cut off equals the sum of the diameter of 5 pop-top cans, after cutting, the barrier strip 3 of this side is divided into two parts of upper half 31 and lower half 32, there is the interval between upper half 31 and lower half 32, the interval is equipped with and rejects the mechanism 4, after having the interval between upper half 31 and lower half 32, set up and reject the device 4 in the interval, it is more convenient to replace the manual work to get and put.

Referring to fig. 1 and 4, the removing mechanism 4 of the present invention is divided into two parts, the first part is a suction cup mechanism 45, and the other part is an opening and closing mechanism 44.

The suction cup mechanism 45 comprises a micro pump 451, an electromagnetic valve 452, a suction cup 453, a suction cup frame 454 and an electric push rod 455, the bottom plate 41 is provided with the electric push rod frame 456, a push rod sleeve of the electric push rod 455 is fixedly connected with the electric push rod frame 456, a piston rod of the electric push rod 455 is fixedly connected with the suction cup frame 454, the suction cup 453 is arranged on the suction cup frame 454, the micro pump 451 and the electromagnetic valve 452 are both arranged on the bottom plate 41, the micro pump 451 is connected with the electromagnetic valve 452 through an air duct, the electromagnetic valve 452 is connected with the suction cup 453 through an air duct, the suction cup 453 is arranged on the suction cup frame 454, and the suction cup 453 is right opposite to the bottom of the pop can.

Preferably, the number of the suction cups 453 is 5, and the suction cups 453 face the bottom of the can tube, and the 5 suction cups 453 are sequentially arranged on the suction cup holder 454, because a portion of the barrier strip 3 is cut, so that in order to prevent the subsequently qualified can from falling off at the cut portion, the suction cup holder 454 is initially positioned at a gap existing after the cutting, the preferred electromagnetic valve is a vacuum electromagnetic valve, and the preferred micro-pump 451 is a vacuum pump, when the vacuum electromagnetic valve is installed on the mechanical vacuum pump, a valve of the electromagnetic valve and a pump of the vacuum pump are connected to the same power supply, the opening and the closing of the pump directly control the opening and the closing of the valve, and when the pump stops working or the power supply is suddenly interrupted, the valve can automatically close the vacuum system, and the atmospheric air is filled into the pump cavity through an air inlet of the pump, so as to prevent the oil from flowing back to pollute the vacuum system.

The air outlet of the micro pump is connected with the air inlet of the electromagnetic valve, the electromagnetic valve is connected with the sucker through the air duct, thereby controlling the adsorption and falling-off functions of the sucker,

when the micro pump is started, the electromagnetic valve is in a power-on state, the armature of the electromagnetic valve moves downwards to a low position under the action of magnetic field force, the vacuum cavity of the electromagnetic valve is communicated with the vacuum pump, the air passage is blocked, the vacuum passage is opened, the valve of the electromagnetic valve is opened, as the electromagnetic valve is connected with the sucker through the air duct, the inside of the sucker is vacuum, the sucker is adsorbed at the bottom of the pop can,

along with the contraction of a piston rod of the electric push rod, after the whole pop can is moved to the first support and the second support, the micro pump stops working, the electromagnetic valve is in a power-off state, the armature of the electromagnetic valve moves upwards to a high position under the action of vacuum pressure, a vacuum cavity of the electromagnetic valve is communicated with the atmosphere, the vacuum cavity of the electromagnetic valve is communicated with the vacuum pump, a vacuum passage is blocked, air enters the suction disc through the vacuum cavity of the electromagnetic valve, and the suction disc is separated from the pop can.

The quantity of sucking discs is consistent with the quantity of unqualified products, one of the baffles is kept immovable, namely, the baffles are fixed with the first slide way and the second slide way, and the electric push rod drives the sucking disc frame to move, so that the baffles become stress points of the sucking discs when the sucking discs just contact the bottoms of the pop can.

Can be with 5 defective products synchronous movement to support one with support two on, because slide 1 is vertical state with slide two 2, consequently set up the collecting box in the position that corresponds the bottom plate subaerial, carry 5 defective products completely support one with the support two on the purpose guarantee that the defective product is vertical down to act on under the action of gravity to the focus of 5 defective products is on same straight line, and is not the irregular state of splashing, is convenient for collect.

The removing mechanism 4 comprises a bottom plate 41, a first support 42 and a second support 43 are arranged on the bottom plate 41, an opening and closing mechanism 44 is arranged between the second support 43 and the first support 42, the opening and closing mechanism 44 drives the second support 43 and the first support 42 to move in a reverse direction, a sucking disc mechanism 45 is arranged on the bottom plate 41, and the sucking disc mechanism 45 enables the pop cans to be translated to the first support 42 and the second support 43.

The base plate 41 is provided with a base 411, the base 411 is provided with a support shaft 412, the second bracket 43 and the first bracket 42 are arranged on the support shaft 412, and the second bracket 43 and the first bracket 42 can move along the axis of the support shaft 412 in the opposite direction. The support shaft mainly plays a role in supporting the first support and the second support and can ensure that the first support and the second support keep linear reverse motion.

See fig. 5 and 6: the first support 42 comprises a bottom beam A421, a lower semicircular ring A422 is arranged on the bottom beam A421, the lower semicircular ring A422 comprises a bottom A and an upper portion A, the bottom A of the lower semicircular ring A422 is tangent to the bottom beam A421 and is fixedly connected with the bottom beam A421, base frames A423 are arranged on two sides of the bottom beam A421, an upper semicircular ring A424 is fixedly connected to the base frames A423, the upper semicircular ring A424 comprises a top A and a lower portion A, the top A of the upper semicircular ring A424 is tangent to the base frames A423 and is fixedly connected with the base frames A423, the upper semicircular ring A424 and the lower semicircular ring A422 correspondingly form a circular shape, and a gap A which is convenient for the suction disc frame 454 to pass through is arranged between the lower portion A of the upper semicircular ring A424 and the upper portion A of the lower semicircular ring A422.

The second support 43 comprises a bottom beam B431, a lower semicircular ring B432 is arranged on the bottom beam B431, the lower semicircular ring B432 comprises a bottom B and an upper B, the bottom B of the lower semicircular ring B432 is tangent to and fixedly connected with the bottom beam B431, base frames B433 are arranged on two sides of the bottom beam B431, an upper semicircular ring B434 is fixedly connected to the base frames B433, the upper semicircular ring B434 comprises a top B and a lower B, the top B of the upper semicircular ring B434 is tangent to and fixedly connected with the base frames B433, the upper semicircular ring B434 and the lower semicircular ring B432 correspondingly form a circle, a gap B convenient for the suction disc frame 454 to pass through is arranged between the lower B of the upper semicircular ring B434 and the upper B of the lower semicircular ring B432, and the height of the gap B is equal to that of the gap a.

In order to ensure that 5 unqualified products vertically fall off, a first support and a second support are arranged into two parts, an upper semicircular ring A and a lower semicircular ring A fix the position of a can opening of a pop can, an upper semicircular ring B and a lower semicircular ring B fix the position of the can bottom of the pop can, a gap A and a gap B are convenient for a sucker frame to pass through, the initial position of the sucker frame is placed at the gap of a baffle plate, the purpose is to ensure that 5 unqualified products are completely sucked by a sucker, when the unqualified products are moved to the first support and the second support, and after the unqualified products roll off on a bottom plate, an electric push rod pushes the sucker frame to the gap of a baffle strip through the gap B and the gap A, and the purpose is to ensure that the subsequent qualified products smoothly move on a sliding frame.

Referring to fig. 4: the opening and closing mechanism 44 comprises a motor 441, an elliptical wheel 442 is arranged on an output shaft of the motor 441, the elliptical wheel 442 is arranged between a bottom beam A421 and a bottom beam B431, the length of a long shaft of the elliptical wheel 442 is larger than the height of the pop can, a spring 443 is arranged between the bottom beam A421 and the bottom beam B431, one end of the spring 443 is fixedly connected with the bottom beam A421, and the other end of the spring 443 is fixedly connected with the bottom beam B431.

Referring to fig. 3: the first slideway 1 is provided with a hanging rack 46, one end of the hanging rack 46 is fixedly connected with the first slideway 1, and the other end is fixedly connected with the bottom plate 41.

The height of the gap a is equal to the height of the suction cup holder 454.

Preferably, the initial distance between the first bracket and the second bracket is equal to the height of the can, because the height of 5 defective products cannot be guaranteed, so that there is a deviation in the initial distance between the first bracket and the second bracket, preferably, the lower deviation of the distance is smaller than the height of the can, and the upper deviation of the distance is larger than the height of the can, preferably, the distance is selected as the lower deviation of the distance. The purpose is to hold the can completely.

Because the length of the long axis of the elliptical wheel is greater than the height of the pop-top can, the motor is started, the motor output shaft rotates to drive the elliptical wheel to rotate, when the long axis of the elliptical wheel is in a horizontal state, the first support and the second support are driven to move in the opposite direction, the distance between the first support and the second support is increased, the pop-top can is separated from the constraint of the first support and the second support and is released, 5 pop-top cans are released simultaneously under the action of gravity, the gravity centers of the 5 pop-top cans are in a linear state, and finally the pop-top cans drop in the collecting box in a linear mode instead of dropping in an irregular splashing mode.

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A removing device applied to a slide way of a pop can stretcher comprises a slide way I (1) and a slide way II (2) fixedly connected with the slide way I (1), a barrier strip (3) is fixedly arranged between the slide way II (2) and the slide way I (1), the barrier strip (3) is arranged on two sides of the slide way I (1) and the slide way II (2), and the removing device is characterized in that the barrier strip (3) on one side comprises an upper half part (31) and a lower half part (32), a space is arranged between the upper half part (31) and the lower half part (32), a removing mechanism (4) is arranged at the space, the removing mechanism (4) comprises a bottom plate (41), a support I (42) and a support II (43) are arranged on the bottom plate (41), an opening and closing mechanism (44) is arranged between the support II (43) and the support I (42), and the opening and closing mechanism (44) drives the support II (43) and the support I (42) to move reversely, a sucker mechanism (45) is arranged on the bottom plate (41), and the pop can is translated to the first support (42) and the second support (43) by the sucker mechanism (45);

sucking disc mechanism (45) include micropump (451), solenoid valve (452), sucking disc (453), sucking disc frame (454) and electric putter (455), be equipped with electric putter frame (456) on bottom plate (41), the push rod cover and electric putter frame (456) fixed connection of electric putter (455), the piston rod and sucking disc frame (454) fixed connection of electric putter (455), be equipped with sucking disc (453) on sucking disc frame (454), micropump (451) with solenoid valve (452) all establish on bottom plate (41), micropump (451) are connected with solenoid valve (452) through the air duct, and sucking disc (453) are connected through the air duct in solenoid valve (452), sucking disc (453) set up on sucking disc frame (454), sucking disc (453) are just to the easy open can tank bottom.

2. The removing device applied to the slide of the pop can stretching machine is characterized in that a base (411) is arranged on the bottom plate (41), a supporting shaft (412) is arranged on the base (411), a second bracket (43) and a first bracket (42) are arranged on the supporting shaft (412), and the second bracket (43) and the first bracket (42) can move reversely along the axis of the supporting shaft (412).

3. The removing device applied to the slide of the pop can stretching machine of claim 2, the first support (42) comprises a bottom beam A (421), a lower semicircular ring A (422) is arranged on the bottom beam A (421), the lower semicircular ring A (422) comprises a bottom A and an upper portion A, the bottom A of the lower semicircular ring A (422) is tangent to and fixedly connected with the bottom beam A (421), the utility model discloses a suction disc support structure, including floorbar A (421), fixed connection upper semicircle ring A (424), upper semicircle ring A (424) including top A and lower part A on the bed frame A (423), upper semicircle ring A (424) is tangent and fixed connection with bed frame A (423), upper semicircle ring A (424) corresponds with lower semicircle ring A (422) and forms circularly, be provided with the gap A that the suction disc frame (454) of being convenient for passed between the lower part A of upper semicircle ring A (424) and the upper portion A of lower semicircle ring A (422).

4. The removing device applied to the slide of the pop can stretching machine of claim 3, wherein the second bracket (43) comprises a bottom beam B (431), the bottom beam B (431) is provided with a lower semicircular ring B (432), the lower semicircular ring B (432) comprises a bottom B and an upper B, the bottom B of the lower semicircular ring B (432) is tangential to and fixedly connected with the bottom beam B (431), both sides of the bottom beam B (431) are provided with base frames B (433), the base frames B (433) are fixedly connected with the upper semicircular ring B (434), the upper semicircular ring B (434) comprises a top B and a lower B, the top B of the upper semicircular ring B (434) is tangential to and fixedly connected with the base frames B (433), the upper semicircular ring B (434) and the lower semicircular ring B (432) correspond to form a circle, a gap B convenient for the sucking disc frame (454) to pass through is arranged between the lower B of the upper semicircular ring B (434) and the upper B of the lower semicircular ring B (432), the height of the gap B is equal to that of the gap A.

5. The removing device applied to the slide of the pop can stretching machine as claimed in claim 4, wherein the opening and closing mechanism (44) comprises a motor (441), an elliptical wheel (442) is arranged on an output shaft of the motor (441), the elliptical wheel (442) is arranged between a bottom beam A (421) and a bottom beam B (431), the length of a long shaft of the elliptical wheel (442) is larger than the height of the pop can, a spring (443) is arranged between the bottom beam A (421) and the bottom beam B (431), one end of the spring (443) is fixedly connected with the bottom beam A (421), and the other end of the spring is fixedly connected with the bottom beam B (431).

6. The removing device applied to the slideway of the can stretching machine according to claim 1, wherein the slideway I (1) is provided with a hanging rack (46), one end of the hanging rack (46) is fixedly connected with the slideway I (1), and the other end of the hanging rack (46) is fixedly connected with the bottom plate (41).

7. The removing device applied to the slide of the can stretching machine of claim 4, wherein the height of the gap A is equal to the height of the suction cup holder (454).