Automatic rotating and aligning capping machine for tank body and tank cover

Abstract

The invention particularly relates to an automatic rotating and aligning capping machine for a tank body and a tank cover, which comprises a rack and a tank cover feeding machine, the rack is provided with a tank cover conveying line and a tank body conveying line, and the rack is provided with an adsorption transfer mechanism above the tank cover conveying line and the tank body conveying line. A spiral feeding assembly and a tank body aligning mechanism are sequentially arranged on the rack from the feeding end to the discharging end of the tank body conveying line, and a tank cover aligning mechanism is arranged on the portion, between the tank cover conveying line and the tank body conveying line, of the rack. The automatic assembling machine has the following beneficial effects that automatic color code alignment can be carried out on the tank body, automatic groove alignment can be carried out on the tank cover, transferring and assembling of the tank cover are achieved on an original station after the tank body is aligned, the occupied space of the equipment is relatively small, the machining efficiency is high, and the assembling yield of the tank body and the tank cover with the relatively small diameter is high.

Description

Technical Field

[0001] This invention relates to the field of tank assembly equipment technology, and more particularly to an automatic rotary alignment and capping machine for tanks and can lids. Background Technology

[0002] On packaging production lines in many industries such as food, beverage, and chemicals, sealing containers after filling is a crucial step. For ordinary capping operations, existing technology can achieve a high degree of automation, with the can and lid being transported to the pressing station directly via a conveyor line to complete the capping process.

[0003] However, when the can surface is printed with a trademark pattern, or the can lid has a groove or a structure with a specific orientation (such as a handle or opening), the relative positions of the two must be precisely aligned after the lid is sealed to meet the requirements of product appearance consistency or to ensure normal use.

[0004] Currently, for cans with relatively small diameters, the concentricity error between the can body and the can lid must be around 0.3mm for successful pressing. Existing equipment uses a rotary table structure to convey the can lid. However, with this rotary table structure, the can lid is directly pushed into the groove of the rotary table, resulting in a large error. Moreover, because small lids are relatively light, they are prone to shifting when the rotary table rotates, exacerbating the error value. This leads to a low assembly yield of the can body and can lid. Furthermore, existing cans have color marks and can lids have groove structures, requiring alignment during assembly. Therefore, an automatic rotary alignment and capping machine for can bodies and can lids is needed. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic rotary alignment and capping machine for can bodies and can lids, which can automatically align the color marks on the can body and the grooves on the can lid, and after the can body is aligned, the can lid can be transferred and assembled at the original work station. The equipment occupies relatively little space and has high processing efficiency. In addition, during the assembly process, the can lid can be shaped and straightened, and the assembly yield of can bodies and can lids with relatively small diameters is high.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automatic rotary alignment capping machine for can bodies and can lids, comprising a frame and a can lid feeding machine. A lifting and adjusting slide is fixedly connected within the frame. A can lid conveying line, a can body conveying line, and a can lid alignment mechanism are fixedly connected to the movable platform of the lifting and adjusting slide. An adsorption and transfer mechanism is arranged above the can lid and can body conveying lines on the frame. A spiral feeding assembly and a can body alignment mechanism are sequentially arranged on the frame from the inlet end to the outlet end of the can body conveying line. The can alignment mechanism includes a first support, a second support, a first rotating mechanism fixedly connected to the first support, and a rotating mechanism fixedly connected to the second support. The rotating mechanism includes a rotating wheel on a rotating shaft, a clamping cylinder and a color mark sensor fixedly connected to a second bracket, clamping cylinders fixedly connected to both the first and second brackets, and an elastic centering and pushing component fixedly connected to the slide of the clamping cylinder. The can lid alignment mechanism includes a third rotating mechanism fixedly connected to a lifting and adjusting slide, a rotating seat fixedly connected to the rotating shaft of the third rotating mechanism, a gripper cylinder fixedly connected to the rotating seat, a tray detachably connected to the gripper of the gripper cylinder, and a first distance sensor fixedly connected to the frame. A clamping plate is detachably connected to the piston rod of the clamping cylinder, and an arc-shaped guide slope is provided at the upper end of the clamping plate.

[0007] Furthermore, the adsorption and transfer mechanism includes an XY adjusting slide, a linear slide fixedly connected to the XY adjusting slide moving platform, a lifting cylinder fixedly connected to the linear slide, and a vacuum suction cup fixedly connected to the lifting cylinder.

[0008] Furthermore, the spiral feeding assembly includes a second rotating mechanism and a feeding roller fixedly connected to the rotating shaft of the second rotating mechanism. The feeding roller has a conical surface and a spiral groove on the conical surface.

[0009] Furthermore, the first bracket and the second bracket are arranged in parallel on the frame, and both the first bracket and the second bracket are fixedly connected to the frame.

[0010] Furthermore, the elastic centering and pushing assembly includes a side plate, a guide post, a spring, a wheel axle, and a roller. The side plate is fixedly connected to the piston rod of the clamping cylinder, the guide post is fixedly connected to both sides of the side plate, the wheel axle is slidably connected to the guide post, the roller is rotatably connected to the wheel axle, and the spring is located between the wheel axle and the side plate.

[0011] Furthermore, multiple rubber rings are fixedly connected to the side walls of both the rotating wheel and the roller.

[0012] Furthermore, a baffle and a first baffle cylinder are sequentially fixedly connected to the end of the can lid conveying line on the frame.

[0013] Furthermore, a second baffle cylinder is fixedly connected to the frame next to the tank conveyor line, and a second distance sensor is fixedly connected to the first bracket.

[0014] Furthermore, a clamping plate is detachably connected to the piston rod of the clamping cylinder, and the clamping plate is provided with an arc-shaped groove.

[0015] Furthermore, the tray is provided with C-shaped protrusions.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: it can realize automatic alignment of color marks on the can body and automatic alignment of grooves on the can lid, and after the can body is aligned, the can lid can be transferred and assembled at the original work station. The equipment occupies relatively little space and has high processing efficiency. In addition, during the assembly process, the can lid can be shaped and straightened, and the assembly yield of can bodies and can lids with relatively small diameters is high. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the adsorption and transport mechanism of the present invention;

[0019] Figure 3 This is a schematic diagram of the can lid conveying line and the can body conveying line of the present invention;

[0020] Figure 4 This is a first-view schematic diagram of the tank alignment mechanism of the present invention.

[0021] Figure 5 This is a second-view schematic diagram of the tank alignment mechanism of the present invention.

[0022] Figure 6 This is a schematic diagram of the can lid alignment mechanism of the present invention.

[0023] Figure 7 This is a cross-sectional view of the clamping state of the clamping plate according to the present invention.

[0024] In the diagram: 1. Can lid feeder; 2. Can lid conveyor line; 3. Can body conveyor line; 4. Adsorption transfer mechanism; 401. XY adjusting slide table; 402. Linear slide table; 403. Lifting cylinder; 404. Vacuum suction cup; 5. Screw feeding assembly; 501. Second rotating mechanism; 502. Feeding roller; 6. Can body alignment mechanism; 601. First support; 602. Second support; 603. First rotating mechanism; 604. Rotating wheel; 605. Clamping cylinder; 606 607. Clamping cylinder; 608. Side plate; 609. Guide post; 610. Spring; 611. Axle; 612. Roller; 613. Color mark sensor; 614. Clamping plate; 615. Arc-shaped guide slope; 7. Can lid alignment mechanism; 701. Third rotating mechanism; 702. Rotating seat; 703. Grip cylinder; 704. Tray; 705. First distance sensor; 8. Baffle; 9. First material blocking cylinder; 10. Second material blocking cylinder; 11. Second distance sensor. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] Example:

[0028] like Figures 1-7As shown, the present invention proposes an automatic rotary alignment capping machine for can bodies and can lids, comprising a frame and a can lid feeding machine 1. A lifting and adjusting slide is fixedly connected inside the frame. A can lid conveying line 2, a can body conveying line 3, and a can lid alignment mechanism 7 are fixedly connected to the moving platform of the lifting and adjusting slide. An adsorption and transfer mechanism 4 is arranged on the frame above the can lid conveying line 2 and the can body conveying line 3. A spiral feeding assembly 5 and a can body alignment mechanism 6 are arranged sequentially on the frame from the inlet end to the outlet end of the can body conveying line 3. The can alignment mechanism 6 includes a first support 601, a second support 602, a first rotating mechanism 603 fixedly connected to the first support 601, a rotating wheel 604 fixedly connected to the rotating shaft of the first rotating mechanism 603, and a component fixedly connected to the second support. The clamping cylinder 605 and color mark sensor 612 on 602 are fixedly connected to the first bracket 601 and the second bracket 602. The elastic centering pusher assembly is fixedly connected to the slide of the clamping cylinder 605. The can lid alignment mechanism 7 includes a third rotating mechanism 701 fixedly connected to the lifting and adjusting slide, a rotating seat 702 fixedly connected to the rotating shaft of the third rotating mechanism 701, a gripper cylinder 703 fixedly connected to the rotating seat 702, a tray 704 detachably connected to the gripper of the gripper cylinder 703, and a first distance sensor 705 fixedly connected to the frame. A clamping plate 613 is detachably connected to the piston rod of the clamping cylinder 606. The upper end of the clamping plate 613 is provided with an arc-shaped guide slope 6131.

[0029] Depending on the diameter of the can to be assembled, a clamping plate 613 of the same size as the can diameter can be selected and fixed on the piston rod of the clamping cylinder 606. Depending on the size of the can lid to be assembled, a tray 704 of the same size as the can lid diameter can be selected and fixed on the jaws of the gripper cylinder 703. Depending on the height of the can to be assembled, the height of the vacuum suction cup 404 can be adjusted by the XY adjusting slide 401. The height of the can lid conveying line 2, the can body conveying line 3 and the can lid alignment mechanism 7 can be adjusted by the lifting adjusting slide 401.

[0030] When adsorbing and transferring the can lid, the vacuum suction cup 404 is driven to move up and down by the linear slide 402 and the lifting cylinder 403 to achieve adsorption and transfer of the can lid.

[0031] The screw feeding assembly 5 includes a second rotating mechanism 501 and a feeding roller 502 fixedly connected to the rotating shaft of the second rotating mechanism 501. Whenever a can is fed to the screw feeding assembly 5, it will stop under the obstruction of the feeding roller 502 and wait to be fed to the assembly station. The second rotating mechanism 501 drives the feeding roller 502 to rotate one revolution, and distributes a can and transports it to the assembly station in conjunction with the can conveyor line 3. At the assembly station, the second blocking cylinder 10 is used to block the can. The second distance sensor 11 detects whether the can has been delivered to the correct position. After the can is in place at the assembly station, the blocking end of the second blocking cylinder 10 at the adjacent assembly station extends to the upper side of the can conveyor line 3 to feed the can to the next assembly station, until all assembly stations have completed the feeding of the can.

[0032] At the assembly station, the piston rod of the clamping cylinder 605 extends to drive the elastic centering and pushing component to move and push the can body elastically against the rotating wheel 604. The rotating wheel 604 is driven to rotate by the first rotating mechanism 603, and the can body rotates under the action of friction. During the rotation of the can body, the color mark sensor 612 detects and aligns the color mark on the side wall of the can body. Multiple rubber rings are fixedly connected to the side walls of the rotating wheel 604 and the roller 611. The rubber rings are used to increase the friction and prevent the can body from slipping when rotating.

[0033] At the tail end of the can lid conveyor line 2, a baffle 8 and a first baffle cylinder 9 are fixedly connected in sequence on the frame. The baffle 8 and the first baffle cylinder 9 are used to separate, block, and limit the conveying of the can lids, facilitating the adsorption and transfer mechanism 4 to perform adsorption and transfer. After the can lid is transferred to the tray 704, the two trays 704 are driven by the gripper cylinder 703 to straighten and clamp the can lid. Then, the rotating seat 702 is driven to rotate one revolution by the third rotating mechanism 701. During this process, the groove of the can lid is detected by the first distance sensor 705 to achieve alignment.

[0034] The working principle of this invention is as follows: Can lids are fed by a can lid feeder 1. Cans are fed by a can body conveyor line 3. Whenever a can is sent to the screw feeder assembly, it will stop under the obstruction of the feeder roller 502 and wait to be fed to the assembly station. The second rotating mechanism 501 drives the feeder roller 502 to rotate one revolution, and distributes one can and transports it to the assembly station in conjunction with the can body conveyor line 3. At the assembly station, the can is blocked by the second blocking cylinder 10. The second distance sensor 11 detects whether the can has been delivered to the correct position. After the can is in place at the assembly station, the blocking end of the second blocking cylinder 10 at the adjacent assembly station extends to the upper side of the can body conveyor line 3 to feed the can to the next assembly station, until all assembly stations have completed the feeding of the cans.

[0035] Next, the tank is aligned. The piston rod of the clamping cylinder 605 extends to drive the elastic centering and pushing component to move and push the tank onto the rotating wheel 604. The rotating wheel 604 is driven to rotate by the first rotating mechanism 603. Under the action of friction, the tank rotates. During the rotation, the color mark sensor 612 detects and aligns the color mark on the side wall of the tank. After alignment is completed, the piston rod of the clamping cylinder 605 retracts, the piston rod of the clamping cylinder 606 extends, and the clamping plate 613 clamps the aligned tank and waits for the cap to be pressed.

[0036] During can lid alignment, a baffle 8 and a first baffle cylinder 9 are sequentially fixedly connected to the end of the can lid conveyor line 2 on the frame. The baffle 8 and the first baffle cylinder 9 are used to separate, block, and limit the conveying of the can lids. The can lids are adsorbed and transferred from the can lid conveyor line 2 to the tray 704 by the adsorption and transfer mechanism 4. After the can lids are transferred to the tray 704, the two trays 704 are driven by the gripper cylinder 703 to clamp and straighten the can lids. During the straightening and clamping process, the C-shaped protrusions on the trays 704 can shape the can lids (the can lids may be squeezed and deformed during the conveying process). Then, the third rotating mechanism 701 drives the can lids to straighten and clamp them. The rotating seat 702 rotates one revolution. During this process, the groove of the can lid is detected by the first distance sensor 705 to achieve alignment. After the alignment is completed, the can lid is adsorbed by the adsorption and transfer mechanism 4. The gripper cylinder 703 drives the tray 704 to release the gripper. Then, the adsorption and transfer mechanism 4 transfers the aligned can lid to the top of the assembly station and then lowers it vertically to press the can lid onto the can body to complete the assembly. During the pressing assembly process, the arc-shaped guide slope 6131 on the clamping plate 613 can further align the can lid and improve the success rate of the assembly of the can lid and the can body. The finished product is finally transported by the can body conveyor line 3 after the gripper cylinder 703 releases the gripper.

[0037] In this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," "fixed," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0038] The above embodiments are used to further illustrate the present invention, but do not limit the present invention to these specific embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be understood as falling within the protection scope of the present invention.

Claims

1. An automatic rotary alignment and capping machine for can bodies and can lids, characterized in that: The system includes a frame and a can lid feeder (1). A lifting and adjusting slide is fixedly connected inside the frame. A can lid conveying line (2), a can body conveying line (3), and a can lid alignment mechanism (7) are fixedly connected to the moving platform of the lifting and adjusting slide. An adsorption and transfer mechanism (4) is provided on the frame above the can lid conveying line (2) and the can body conveying line (3). A spiral feeding assembly (5) and a can body alignment mechanism (6) are sequentially provided on the frame from the inlet end to the outlet end of the can body conveying line (3). The can body alignment mechanism (6) includes a first support (601). The first support (602), the second support (602), the first rotating mechanism (603) fixedly connected to the first support (601), the rotating wheel (604) fixedly connected to the rotating shaft of the first rotating mechanism (603), the clamping cylinder (605) fixedly connected to the second support (602), and the color mark sensor (612) are all fixedly connected to the first support (601) and the second support (602). The clamping cylinder (606) is fixedly connected to the slide of the clamping cylinder (605). The can lid alignment mechanism (7) includes a fixed connection The lifting and adjusting slide table includes a third rotating mechanism (701), a rotating seat (702) fixedly connected to the rotating shaft of the third rotating mechanism (701), a gripper cylinder (703) fixedly connected to the rotating seat (702), a tray (704) detachably connected to the gripper of the gripper cylinder (703), and a first distance sensor (705) fixedly connected to the frame. A clamping plate (613) is detachably connected to the piston rod of the gripping cylinder (606). The upper end of the clamping plate (613) is provided with an arc-shaped guide slope (6131). The elastic centering... The feeding assembly includes a side plate (607), a guide post (608), a spring (609), a wheel axle (610), and a roller (611). The side plate (607) is fixedly connected to the piston rod of the clamping cylinder (605). The guide post (608) is fixedly connected to both sides of the side plate (607). The wheel axle (610) is slidably connected to the guide post (608). The roller (611) is rotatably connected to the wheel axle (610). The spring (609) is located between the wheel axle (610) and the side plate (607). The tray (704) is provided with a C-shaped protrusion.

2. The automatic rotary alignment and capping machine for can bodies and can lids according to claim 1, characterized in that: The adsorption and transfer mechanism (4) includes an XY adjustment slide (401), a linear slide (402) fixedly connected to the moving platform of the XY adjustment slide (401), a lifting cylinder (403) fixedly connected to the linear slide (402), and a vacuum suction cup (404) fixedly connected to the lifting cylinder (403).

3. The automatic rotary alignment and capping machine for can bodies and can lids according to claim 1, characterized in that: The spiral feeding assembly (5) includes a second rotating mechanism (501) and a feeding roller (502) fixedly connected to the rotating shaft of the second rotating mechanism (501). The feeding roller (502) has a conical surface and a spiral groove on the conical surface.

4. The automatic rotary alignment and capping machine for can bodies and can lids according to claim 1, characterized in that: The first bracket (601) and the second bracket (602) are arranged in parallel on the frame, and both the first bracket (601) and the second bracket (602) are fixedly connected to the frame.

5. An automatic rotary alignment and capping machine for can bodies and can lids according to claim 1, characterized in that: Multiple rubber rings are fixedly connected to the side walls of both the rotating wheel (604) and the roller (611).

6. An automatic rotary alignment and capping machine for can bodies and can lids according to claim 1, characterized in that: A baffle (8) and a first baffle cylinder (9) are fixedly connected in sequence at the tail end of the can lid conveying line (2) on the frame.

7. An automatic rotary alignment and capping machine for can bodies and can lids according to claim 1, characterized in that: A second baffle cylinder (10) is fixedly connected to the frame next to the tank conveying line (3), and a second distance sensor (11) is fixedly connected to the first bracket (601).

8. An automatic rotary alignment and capping machine for can bodies and can lids according to claim 1, characterized in that: The clamp is provided with an arc-shaped groove.

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