An elevator for the production of empty aluminum cans

Abstract

The present invention discloses a hoist for the production of empty aluminum cans, which relates to the technical field of can production and transportation, and includes: a lifting frame, the lifting frame is arranged on the top of the ground; a driving device, the driving device is arranged at the rear side of the lifting frame; a lifting belt, the lifting belt is arranged on the circumferential surface of the driving device, and the lifting belt is used for lifting and transporting the cans; a partition board, the partition board is arranged on the top of the lifting belt, and the partition board is used for partitioning the cans; a servo motor, the servo motor is fixedly installed on the right side of the front end of the lifting frame; the protective frame reciprocates to push the cans piled up on the top of the lifting belt. By the reciprocating movement of the protective frame, the cans piled up on the top of the lifting belt are pushed away, so that the cans can be evenly distributed on the lifting belt, thereby reducing the occurrence of excessive piling up or tilting, and further improving the transportation and lifting efficiency of the cans.

Description

Technical Field

[0001] The present invention relates to the technical field of production and transportation of aluminum cans, and specifically to an elevator for the production of empty aluminum cans. Background Technique

[0002] An elevator for the production of empty aluminum cans usually consists of a lifting belt, a driving device, a protective component, a feeding frame, and other parts.

[0003] The patent with the patent announcement number CN217971110U relates to an empty can elevator for aluminum cans, including an elevator body. The elevator body includes a feeding end, a discharging end, and a lifting section. The elevator body also includes a conveying device and an adsorption device; the conveying device includes a first rotating shaft, a second rotating shaft, and a transmission belt; both ends of the transmission belt are respectively sleeved on the first rotating shaft and the second rotating shaft; a number of placement slots are provided on the transmission belt, and through holes are provided inside the placement slots, and the through holes are communicated with the adsorption device; the adsorption device includes a housing; a blower is provided at the lower part of the housing. This patent is connected to the adsorption device through the provided through holes, and the adsorption device is used to suck negative pressure on the placement slots, so that the empty aluminum cans are tightly adsorbed inside the placement slots, preventing the aluminum cans from tipping or slipping during the lifting process, improving the stability of the aluminum cans during the lifting process, and thus improving the production efficiency of the aluminum cans.

[0004] In the above patent, by connecting the provided through holes with the adsorption device, and using the adsorption device to suck negative pressure on the placement slots, the empty aluminum cans are tightly adsorbed inside the placement slots, preventing the aluminum cans from tipping or slipping during the lifting process, improving the stability of the aluminum cans during the lifting process, and thus improving the production efficiency of the aluminum cans. However, it is difficult to prevent the aluminum cans from being stacked too high, resulting in mutual extrusion and deformation of the aluminum cans. The deformation of the aluminum cans will cause the aluminum cans to not be neatly stacked, thus wasting transportation space and reducing the transportation and lifting efficiency. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides an elevator for the production of empty aluminum cans, which solves the problems raised in the above background technique.

[0006] To achieve the above object, the present invention is realized by the following technical solutions: An elevator for the production of empty aluminum cans, comprising: a lifting frame, the lifting frame is arranged on the top of the ground; a driving device, the driving device is arranged at the rear side of the lifting frame; a lifting belt, the lifting belt is arranged on the circumferential surface of the driving device, and the lifting belt is used for lifting and transporting the aluminum cans; a partition plate, the partition plate is arranged on the top of the lifting belt, and the partition plate is used for partitioning the aluminum cans; a servo motor, the servo motor is fixedly installed on the right side of the front end of the lifting frame; a lead screw, the lead screw is fixedly installed at the output end of the servo motor; a U-shaped rod, the U-shaped rod is fixedly installed at the rear side of the lifting frame; a falling prevention rod, the falling prevention rod is slidably installed on the circumferential surface of the U-shaped rod, the falling prevention rod is threadedly connected with the lead screw, and the falling prevention rod is used for preventing the aluminum cans from piling up on the top of the lifting belt; a T-shaped rod, the T-shaped rod is fixedly installed on the top of the falling prevention rod; a protective frame, the protective frame is slidably installed on the circumferential surface of the T-shaped rod; a protective spring, the protective spring is arranged between the T-shaped rod and the protective frame, and the protective spring is used for preventing the deformation of the aluminum cans. The protective frame reciprocates to push the aluminum cans piled up on the top of the lifting belt.

[0007] According to the above technical solution, the lead screw penetrates through the right side of the front end of the lifting frame. The bottom of the protective frame is set as an inclined surface, and the bottom of the falling prevention rod is set as an inclined surface. The movement of the T-shaped rod drives the protective frame to move towards the direction close to the feeding frame.

[0008] According to the above technical solution, a linkage rod is slidably installed on the front side of the lifting frame. A first spring is arranged between the linkage rod and the lifting frame. The falling prevention rod contacts the linkage rod, and the protective frame moves upward under the reaction force of the extruded aluminum cans.

[0009] According to the above technical solution, a control component for controlling the feeding speed of the aluminum cans is arranged on the top of the lifting frame, and an anti-rebound component is arranged on the front side of the lifting frame. The control component includes a feeding frame, a control groove, a control plate, an L-shaped rod, a load-bearing rod and a stabilizing ring. The control plate reciprocates to partition the space inside the feeding frame, thereby achieving the effect of controlling the feeding speed of the aluminum cans. The feeding frame is fixedly installed on the top of the lifting frame. The control plate slidably penetrates through the inner and outer walls of the feeding frame. The control groove is opened on the right side of the control plate. The L-shaped rod is fixedly installed on the inner wall of the control groove. The load-bearing rod is fixedly installed on the left side of the L-shaped rod. The stabilizing ring is fixedly installed on the circumferential surface of the load-bearing rod.

[0010] According to the above technical solution, a load-bearing spring is arranged between the stabilizing ring and the feeding frame. A load-bearing block is fixedly installed on the circumferential surface of the load-bearing rod. The load-bearing block moves to the right and resets to impact the feeding frame to generate vibration. The load-bearing block contacts the feeding frame.

[0011] According to the above technical solution, the inner wall of the loading frame is set as an inclined surface, the left side of the control board is set as an inclined surface, the stabilizing ring contacts the inner wall of the loading frame, and the L-shaped rod moves to the left to drive the control board to move.

[0012] According to the above technical solution, the anti-rebound component includes a protection rod, a rack, a rotating rod, a protection plate, a protection ring and a gear. The protection plate rotates to block the aluminum cans at the top of the lifting belt. The protection rod is fixedly installed on the front side of the lifting frame. The rack is slidably installed on the circumferential surface of the protection rod. The rotating rod rotates through the front and rear walls of the lifting frame. The protection plate is fixedly installed on the circumferential surface of the rotating rod. The protection ring is fixedly installed on the circumferential surface of the protection rod. The gear is fixedly installed on the circumferential surface of the rotating rod.

[0013] According to the above technical solution, the gear meshes with the rack. The protection plate is elastic. A protection spring is arranged between the rack and the protection ring. The protection spring can drive the rack to reset. The top of the rack is set as an inclined surface. The load-bearing rod moves to the left and contacts the inclined surface of the rack and extrudes the rack. The protection plate rotates and contacts the lifting belt to push off the aluminum cans adhered to the surface of the lifting belt.

[0014] The present invention provides a hoist for the production of empty aluminum cans. It has the following beneficial effects:

[0015] (1) For the hoist for the production of empty aluminum cans, the accumulated aluminum cans at the top of the lifting belt are pushed by the reciprocating movement of the protective frame. The accumulated aluminum cans at the top of the lifting belt are pushed open by the reciprocating movement of the protective frame, so that the aluminum cans can be evenly distributed on the lifting belt, thereby reducing the occurrence of excessive accumulation or inclination, and further improving the transportation and lifting efficiency of the aluminum cans.

[0016] (2) For the hoist for the production of empty aluminum cans, when the protective frame moves towards the loading frame, it will contact the aluminum cans and extrude the aluminum cans. The protective frame moves upward under the reaction force of the extruded aluminum cans. By the upward movement of the protective frame, when pushing open the accumulated aluminum cans, the excessive thrust can be prevented from directly acting on the aluminum can body, thereby reducing the risk of deformation or damage of the aluminum cans.

[0017] (3) For the hoist for the production of empty aluminum cans, the reciprocating movement of the control board divides the space inside the loading frame, thereby achieving the effect of controlling the feeding speed of the aluminum cans. By reasonably controlling the feeding speed, the breakage of the aluminum cans during the lifting process can be effectively prevented, and controlling the feeding speed can make the lifting belt run more smoothly, thereby further improving the transportation efficiency of the aluminum cans.

[0018] (4) The elevator used for the production of empty aluminum cans prevents the aluminum cans from jamming inside the feeding frame by the weight block moving to the right and resetting to impact the feeding frame, thereby generating vibration, and thus avoiding uneven or unstable feeding caused by the accumulation or overly close arrangement of aluminum cans.

[0019] (5) The elevator used for the production of empty aluminum cans shields the aluminum cans at the top of the lifting belt by the rotation of the protection plate, thereby preventing the aluminum cans from rebounding when falling onto the lifting belt. The rebound of the aluminum cans will cause some aluminum cans to fall off and drop to the ground, resulting in material waste. Through the shielding of the protection plate, the aluminum cans can enter the lifting belt more smoothly during the feeding process, thereby improving the material utilization rate of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 is a schematic diagram of the position structure of the servo motor and the lead screw of the present invention;

[0022] Figure 3 of the present invention Figure 2 is an enlarged schematic diagram of the structure of part A;

[0023] Figure 4 is a schematic diagram of the position structure of the lifting frame and the U-shaped rod of the present invention;

[0024] Figure 5 of the present invention Figure 4 is an enlarged schematic diagram of the structure of part B;

[0025] Figure 6 is a semi-sectional schematic diagram of the feeding frame of the present invention;

[0026] Figure 7 is a schematic diagram of the position structure of the T-shaped rod and the protective frame of the present invention.

[0027] In the figure: 1. Lifting frame; 2. Driving device; 3. Lifting belt; 4. Partition plate; 5. Servo motor; 6. Lead screw; 7. U-shaped rod; 8. Anti-falling rod; 9. T-shaped rod; 10. Protective frame; 11. Protective spring; 12. Linking rod; 131. Feeding frame; 132. Control groove; 133. Control plate; 134. L-shaped rod; 135. Load-bearing rod; 136. Load-bearing spring; 137. Weight block; 138. Stabilizing ring; 141. Protection rod; 142. Rack; 143. Rotating rod; 144. Protection plate; 145. Protection ring; 146. Protection spring; 147. Gear. DETAILED DESCRIPTION OF THE INVENTION

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1-7 , an embodiment of the present invention is: a hoist for the production of empty aluminum cans, including: a lifting frame 1, the lifting frame 1 is arranged on the top of the ground; a driving device 2, the driving device 2 is arranged at the rear side of the lifting frame 1; a lifting belt 3, the lifting belt 3 is arranged on the circumferential surface of the driving device 2, and the lifting belt 3 is used for lifting and transporting aluminum cans; a partition plate 4, the partition plate 4 is arranged on the top of the lifting belt 3, and the partition plate 4 is used for partitioning aluminum cans; a servo motor 5, the servo motor 5 is fixedly installed on the right side of the front end of the lifting frame 1; a lead screw 6, the lead screw 6 is fixedly installed on the output end of the servo motor 5; a U-shaped rod 7, the U-shaped rod 7 is fixedly installed on the rear side of the lifting frame 1; a falling prevention rod 8, the falling prevention rod 8 is slidably installed on the circumferential surface of the U-shaped rod 7, the falling prevention rod 8 is threadedly connected with the lead screw 6, and the falling prevention rod 8 is used to prevent aluminum cans from piling up on the top of the lifting belt 3; a T-shaped rod 9, the T-shaped rod 9 is fixedly installed on the top of the falling prevention rod 8; a protective frame 10, the protective frame 10 is slidably installed on the circumferential surface of the T-shaped rod 9; a protective spring 11, the protective spring 11 is arranged between the T-shaped rod 9 and the protective frame 10, and the protective spring 11 is used to prevent the deformation of aluminum cans. By reciprocating the protective frame 10 to push away the aluminum cans piled up on the top of the lifting belt 3, the aluminum cans can be evenly distributed on the lifting belt 3, thereby reducing the occurrence of excessive piling or tilting, and further improving the transportation and lifting efficiency of aluminum cans.

[0030] The lead screw 6 penetrates through the right side of the front end of the lifting frame 1. The bottom of the protective frame 10 is set as an inclined surface, and the bottom of the falling prevention rod 8 is set as an inclined surface. The movement of the T-shaped rod 9 drives the protective frame 10 to move towards the direction close to the feeding frame 131.

[0031] A linkage rod 12 is slidably installed on the front side of the lifting frame 1. A first spring is arranged between the linkage rod 12 and the lifting frame 1. The falling prevention rod 8 contacts the linkage rod 12. The protective frame 10 moves upward under the reaction force of the squeezed aluminum cans. By moving the protective frame 10 upward, when pushing away the piled-up aluminum cans, the excessive thrust can be prevented from directly acting on the aluminum can body, thereby reducing the risk of deformation or damage of the aluminum cans.

[0032] During the operation of this embodiment: After placing the beverage can on the top of the lifting belt 3, the driving device 2 operates to drive the lifting belt 3 to move. The movement of the lifting belt 3 transports and lifts the beverage cans on its top. At the same time, the servo motor 5 operates to drive the lead screw 6 to rotate. The rotation of the lead screw 6 drives the anti-falling rod 8 to move towards the feeding frame 131. The movement of the anti-falling rod 8 towards the feeding frame 131 drives the T-shaped rod 9 to move. The movement of the T-shaped rod 9 drives the protective frame 10 to move towards the feeding frame 131. When the servo motor 5 operates to drive the lead screw 6 to rotate in the reverse direction, the reverse rotation of the lead screw 6 drives the anti-falling rod 8 to move away from the feeding frame 131. The movement of the anti-falling rod 8 away from the feeding frame 131 drives the T-shaped rod 9 to move. The movement of the T-shaped rod 9 drives the protective frame 10 to move away from the feeding frame 131. The reciprocating movement of the protective frame 10 pushes the beverage cans stacked on the top of the lifting belt 3. And when the protective frame 10 moves towards the feeding frame 131, if the beverage cans stacked on the top of the lifting belt 3 are too tightly packed, the movement of the protective frame 10 towards the feeding frame 131 will contact the beverage cans and squeeze them. The protective frame 10 moves upward under the reaction force of the squeezed beverage cans. The upward movement of the protective frame 10 squeezes the protective spring 11. The protective spring 11 deforms and stores energy under the extrusion of the protective frame 10.

[0033] Please refer to Figures 1-7 , on the basis of the above embodiment, in another embodiment of the present invention, a control component for controlling the feeding speed of the beverage cans is provided on the top of the lifting frame 1, and an anti-rebound component is provided on the front side of the lifting frame 1. The control component includes a feeding frame 131, a control groove 132, a control plate 133, an L-shaped rod 134, a load-bearing rod 135 and a stabilizing ring 138. The feeding frame 131 is fixedly installed on the top of the lifting frame 1. The control plate 133 slides through the inner and outer walls of the feeding frame 131. The control groove 132 is opened on the right side of the control plate 133. The L-shaped rod 134 is fixedly installed on the inner wall of the control groove 132. The load-bearing rod 135 is fixedly installed on the left side of the L-shaped rod 134. The stabilizing ring 138 is fixedly installed on the circumferential surface of the load-bearing rod 135. By reasonably controlling the feeding speed, the breakage of the beverage cans during the lifting process can be effectively prevented, and controlling the feeding speed can make the operation of the lifting belt 3 more stable, thereby further improving the transportation efficiency of the beverage cans.

[0034] A load-bearing spring 136 is provided between the stabilizing ring 138 and the feeding frame 131. A load-bearing block 137 is fixedly installed on the circumferential surface of the load-bearing rod 135. The rightward movement and reset of the load-bearing block 137 impact the feeding frame 131 to generate vibration. The load-bearing block 137 contacts the feeding frame 131. By the rightward movement and reset of the load-bearing block 137 impacting the feeding frame 131 to generate vibration, the jamming of the beverage cans inside the feeding frame 131 is prevented, thereby avoiding the uneven or unstable feeding phenomenon caused by the stacking or overly dense arrangement of the beverage cans.

[0035] The inner wall of the loading frame 131 is set as an inclined plane, the left side of the control board 133 is set as an inclined plane, the stabilizing ring 138 contacts the inner wall of the loading frame 131, and the leftward movement of the L-shaped rod 134 drives the control board 133 to move.

[0036] The anti-rebound component includes a protection rod 141, a rack 142, a rotating rod 143, a protection plate 144, a protection ring 145 and a gear 147. The protection rod 141 is fixedly installed on the front side of the lifting frame 1. The rack 142 is slidably installed on the circumferential surface of the protection rod 141. The rotating rod 143 rotatably penetrates through the front and rear walls of the lifting frame 1. The protection plate 144 is fixedly installed on the circumferential surface of the rotating rod 143. The protection ring 145 is fixedly installed on the circumferential surface of the protection rod 141. The gear 147 is fixedly installed on the circumferential surface of the rotating rod 143. Through the shielding of the protection plate 144, the aluminum can can enter the lifting belt 3 more smoothly during the blanking process, thereby improving the material utilization rate of production.

[0037] The gear 147 meshes with the rack 142. The protection plate 144 is elastic. A protection spring 146 is arranged between the rack 142 and the protection ring 145. The protection spring 146 can drive the rack 142 to reset. The top of the rack 142 is set as an inclined plane. The load-bearing rod 135 moves leftward to contact the inclined plane of the rack 142 and extrude the rack 142. By promptly pushing down the adhered aluminum can, the downtime can be reduced and the transportation rate can be assisted to increase.

[0038] During the operation of this embodiment: The anti-falling rod 8 moves towards the feeding frame 131 and contacts the linkage rod 12 and squeezes the linkage rod 12. The linkage rod 12 moves towards the rack 142 under the extrusion of the anti-falling rod 8. The linkage rod 12 moves towards the rack 142 and squeezes the first spring. The first spring deforms and stores energy under the extrusion of the linkage rod 12. At the same time, the linkage rod 12 moves towards the rack 142 and contacts the L-shaped rod 134 and squeezes the L-shaped rod 134. The L-shaped rod 134 moves to the left under the extrusion of the linkage rod 12. The movement of the L-shaped rod 134 to the left drives the control plate 133 to move. At the same time, the movement of the L-shaped rod 134 to the left drives the load-bearing rod 135 to move. The movement of the load-bearing rod 135 drives the stable ring 138 to move. The movement of the stable ring 138 squeezes the load-bearing spring 136. The load-bearing spring 136 deforms and stores energy under the extrusion of the stable ring 138. When the lead screw 6 rotates in the reverse direction and drives the anti-falling rod 8 to move away from the feeding frame 131, the anti-falling rod 8 moves away from the feeding frame 131 and disengages from the contact with the linkage rod 12. After the linkage rod 12 disengages from the contact with the anti-falling rod 8, the linkage rod 12 moves to the right and resets under the elastic force of the first spring. The linkage rod 12 moves to the right and resets and disengages from the contact with the L-shaped rod 134. After the L-shaped rod 134 disengages from the contact with the linkage rod 12, the stable ring 138 moves to the right and resets under the elastic force of the load-bearing spring 136. The movement of the stable ring 138 to the right and resets drives the load-bearing rod 135 to move and reset. The movement of the load-bearing rod 135 to move and reset drives the L-shaped rod 134 to move and reset. The movement of the L-shaped rod 134 to move and reset drives the control plate 133 to move to the right and reset. The reciprocating movement of the control plate 133 divides the space inside the feeding frame 131, thereby achieving the effect of controlling the feeding speed of the aluminum cans. At the same time, the movement of the load-bearing rod 135 to move and reset drives the load-bearing block 137 to move to the right and reset. The movement of the load-bearing block 137 to the right and reset impacts the feeding frame 131 to generate vibration, thereby preventing the aluminum cans from getting stuck inside the feeding frame 131.

[0039] The load-bearing rod 135 moves to the left and contacts the inclined surface of the rack 142 and squeezes the rack 142. The rack 142 moves downward under the extrusion of the load-bearing rod 135. The downward movement of the rack 142 pulls the protection spring 146. The protection spring 146 deforms and stores energy under the pull of the rack 142. At the same time, the downward movement of the rack 142 squeezes the gear 147. The gear 147 rotates under the extrusion of the rack 142. The rotation of the gear 147 drives the rotating rod 143 to rotate. The rotation of the rotating rod 143 drives the protection plate 144 to rotate. The rotation of the protection plate 144 shields the aluminum cans at the top of the lifting belt 3, thereby preventing the aluminum cans from rebounding when they are discharged and hitting the lifting belt 3. At the same time, the rotation of the protection plate 144 contacts the lifting belt 3 and pushes the aluminum cans adhered to the surface of the lifting belt 3 to fall off.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An elevator for the production of empty aluminum cans, characterized in that, Including: A lifting frame (1), which is arranged on the top of the ground; A driving device (2), which is arranged at the rear side of the lifting frame (1); A lifting belt (3), which is arranged on the circumferential surface of the driving device (2), and the lifting belt (3) is used for lifting and transporting aluminum cans; A partition board (4), which is arranged on the top of the lifting belt (3), and the partition board (4) is used for separating aluminum cans; A servo motor (5), which is fixedly installed on the right side of the front end of the lifting frame (1); A lead screw (6), which is fixedly installed at the output end of the servo motor (5); A U-shaped rod (7), which is fixedly installed on the rear side of the lifting frame (1); A falling prevention rod (8), which is slidably installed on the circumferential surface of the U-shaped rod (7), the falling prevention rod (8) is threadedly connected with the lead screw (6), and the falling prevention rod (8) is used for preventing aluminum cans from piling up on the top of the lifting belt (3); A T-shaped rod (9), which is fixedly installed on the top of the falling prevention rod (8); A protective frame (10), which is slidably installed on the circumferential surface of the T-shaped rod (9); A protective spring (11), which is arranged between the T-shaped rod (9) and the protective frame (10), and the protective spring (11) is used for preventing the deformation of aluminum cans; The lead screw (6) penetrates through the right side of the front end of the lifting frame (1), the bottom of the protective frame (10) is set as an inclined surface, the bottom of the falling prevention rod (8) is set as an inclined surface, a control component for controlling the feeding speed of aluminum cans is arranged on the top of the lifting frame (1), and an anti-rebound component is arranged on the front side of the lifting frame (1); A linkage rod (12) is slidably installed on the front side of the lifting frame (1), a first spring is arranged between the linkage rod (12) and the lifting frame (1), and the falling prevention rod (8) contacts the linkage rod (12); The control component includes a feeding frame (131), a control groove (132), a control board (133), an L-shaped rod (134), a load-bearing rod (135) and a stabilizing ring (138). The feeding frame (131) is fixedly installed on the top of the lifting frame (1), the control board (133) slidably penetrates through the inner and outer walls of the feeding frame (131), the control groove (132) is opened on the right side of the control board (133), the L-shaped rod (134) is fixedly installed on the inner wall of the control groove (132), the load-bearing rod (135) is fixedly installed on the left side of the L-shaped rod (134), and the stabilizing ring (138) is fixedly installed on the circumferential surface of the load-bearing rod (135); The anti-rebound component includes a protection rod (141), a rack (142), a rotating rod (143), a protection plate (144), a protection ring (145) and a gear (147). The protection rod (141) is fixedly installed on the front side of the lifting frame (1). The rack (142) is slidably installed on the circumferential surface of the protection rod (141). The rotating rod (143) rotatably penetrates the front and rear walls of the lifting frame (1). The protection plate (144) is fixedly installed on the circumferential surface of the rotating rod (143). The protection ring (145) is fixedly installed on the circumferential surface of the protection rod (141). The gear (147) is fixedly installed on the circumferential surface of the rotating rod (143). The top of the rack (142) is provided with an inclined surface. The gear (147) meshes with the rack (142). The linkage rod (12) moves towards the direction close to the rack (142) to contact and extrude the L-shaped rod (134). The L-shaped rod (134) is extruded by the linkage rod (12) and moves to the left. The movement of the L-shaped rod (134) to the left drives the load-bearing rod (135) to move. The movement of the load-bearing rod (135) to the left contacts the inclined surface of the rack (142) and extrudes the rack (142). The rack (142) is extruded by the load-bearing rod (135) and moves downward. The downward movement of the rack (142) extrudes the gear (147). The gear (147) rotates under the extrusion of the rack (142). The rotation of the gear (147) drives the rotating rod (143) to rotate. The rotation of the rotating rod (143) drives the protection plate (144) to rotate. The rotation of the protection plate (144) shields the beverage cans at the top of the lifting belt (3).

2. The elevator for the production of empty aluminum cans according to claim 1, characterized in that: A load-bearing spring (136) is arranged between the stabilizing ring (138) and the feeding frame (131). A load-bearing block (137) is fixedly installed on the circumferential surface of the load-bearing rod (135). The load-bearing block (137) contacts the feeding frame (131).

3. The elevator for the production of empty aluminum cans according to claim 2, characterized in that: The inner wall of the feeding frame (131) is provided with an inclined surface. The left side of the control plate (133) is provided with an inclined surface. The stabilizing ring (138) contacts the inner wall of the feeding frame (131).

4. The elevator for the production of empty aluminum cans according to claim 3, characterized in that: The protection plate (144) is elastic. A protection spring (146) is arranged between the rack (142) and the protection ring (145).

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