Thermoplastic sealing device of stacker crane

Abstract

The thermoplastic sealing device comprises a movable outer frame arranged in a switchboard shell, a movable bottom plate arranged at the bottom of the surface of the rear side of the movable outer frame, a tray assembly arranged at the top of the movable bottom plate and a first air cylinder arranged at the top of the surface of the front side of the movable outer frame, and the extension end of the first air cylinder is connected with a bearing table. The bearing table comprises a vertical plate and a transverse plate, a second air cylinder and a sleeve are inserted into the vertical plate, the extension end of the second air cylinder is connected with a moving arm, a guide rod is arranged in the sleeve, one end of the guide rod is connected with the moving arm, and the left end and the right end of the moving arm are rotationally connected with clamping jaws through rotating shafts A. Third air cylinders are symmetrically arranged at the left end and the right end of the front side surface of the moving arm. A connecting block is arranged at the output end of the third air cylinder, an inserting opening is formed in the front end of the clamping jaw, a rotating shaft B is arranged in the inserting opening, and the rotating shaft B is rotationally sleeved with the connecting block; the device is high in overall operation process precision and automation degree, the heat sealing process of the packaging bag is convenient and rapid to operate, the labor amount is greatly reduced, and the production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of heat sealing, in particular to a thermoplastic sealing device for a palletizer. Background Art

[0002] The palletizer automatically stacks the cartons that have been loaded into the container on pallets or pallets (wood or plastic) in a certain arrangement. It can stack multiple layers and then push them out for forklifts to transport them to the warehouse for storage. The palletizer is a device that automatically stacks the bags, cartons or other packaging materials delivered by the conveyor into stacks according to the working method required by the customer's process, and then transports the stacked materials.

[0003] After the transported material bags are filled with materials and before unloading, the bag mouths need to be heat-sealed. The staff carry and heat-seal the bags filled with materials. The operation process is labor-intensive. When the amount of materials and bags is large, not only is the workload large, but it is also time-consuming and labor-intensive, affecting production efficiency and further affecting economic benefits. For this reason, we designed a thermoplastic sealing device for palletizers to solve the above technical problems. Utility Model Content

[0004] The utility model aims to provide a thermoplastic sealing device for a palletizer to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A thermoplastic sealing device for a palletizer comprises a movable outer frame arranged inside a main unit housing, a movable bottom plate is fixedly arranged at the bottom of the rear side surface of the movable outer frame, a tray assembly is arranged at the top of the movable bottom plate, a first cylinder is fixedly arranged at the top of the front side surface of the movable outer frame, an extended end of the first cylinder is vertically upward and connected to a bearing platform, the bearing platform comprises two vertical plates and a horizontal plate which are perpendicular to each other and fixedly connected, a second cylinder is fixedly inserted in the middle of the vertical plate, an extended end of the second cylinder penetrates the vertical plate and is connected to a movable arm, a sleeve is also fixedly inserted on the vertical plate, the sleeve is penetrated front and back, a guide rod adapted to the sleeve is slidably arranged in the sleeve, one end of the guide rod is connected to the movable arm, the left and right ends of the movable arm are respectively rotatably connected to clamps through a rotating shaft A, the clamps are in an "L" shape, third cylinders are symmetrically arranged at the left and right ends of the front side surface of the movable arm, the output ends of the two third cylinders are far away from each other and are provided with a connecting block, a socket is arranged at the front end of the clamp, a rotating shaft B is arranged in the socket, and the connecting block is rotatably sleeved outside the rotating shaft B.

[0007] As a preferred solution of the utility model: the tray assembly includes a lifting plate, a flip plate and a baffle, the top of the movable bottom plate is connected to the lifting plate through a first electric push rod, the top of the lifting plate is provided with a flip plate, the front side of the lifting plate and the front side of the flip plate are rotatably connected through a hinge, the bottom of the lifting plate is provided with a second electric push rod, the extended end of the second electric push rod is connected to the side of the bottom of the flip plate away from the hinge, and a baffle is fixedly installed on the side of the top of the flip plate away from the hinge.

[0008] As a further preferred solution of the utility model: two sleeves are provided and are symmetrically distributed on the left and right sides of the second cylinder.

[0009] As a further preferred solution of the utility model: the rear end of the clamping jaw extends to the rear surface of the movable arm, and the inner side wall of the rear end of the clamping jaw is provided with a plurality of grooves.

[0010] As a further preferred solution of the utility model: the front surface of the switchboard housing is designed to be open, and a conveyor matching with the drag chain is provided at the bottom of the switchboard housing, and the movable bottom plate is installed on the conveyor.

[0011] As a further preferred solution of the utility model: a conveyor belt mechanism is provided on the front side of the switchboard housing, and a heat sealing machine is provided on the upper part of the switchboard housing.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when the device is in use, when the packaging bag is filled with materials, the conveyor transmits to the left, so that the tray assembly moves to the bottom of the packaging bag, and then the first electric push rod is started to drive the tray assembly to move upward, so that the flip plate contacts the bottom of the packaging bag to carry the packaging bag, and then the second cylinder is started, and the second cylinder drives the moving arm to move until it fits with the surface of the packaging bag, and then the two third cylinders are started, and the output end of the third cylinder drives the clamping claw to rotate through the connecting block, so that the rear end of the clamping claw is close to the rear side surface of the moving arm, so that the two ends of the packaging belt at this place can be clamped and fixed, and the multiple grooves arranged on the inner side wall of the rear end of the clamping claw are conducive to increasing the friction force during clamping and improving the clamping stability; then the first The electric push rod and the first cylinder are adaptively shortened at the same time to drive the packaging bag to move down slightly, which is convenient for the conveyor to transmit to the right, and drive the tray assembly together with the packaging bag to move to the right to just below the heat sealing machine. At this time, the first electric push rod and the first cylinder are extended at the same time, driving the packaging bag to rise, so that the bag mouth of the packaging bag extends into the heat sealing machine to facilitate heat sealing. After the heat sealing is completed, the clamp is released, and then the tray assembly descends, and then the second electric push rod is started to drive the flip plate to flip forward. At the same time, with the action of the baffle, the packaging bag can be poured into the conveyor belt mechanism for transmission, which is convenient for subsequent operations. The overall operation process has high precision and high degree of automation. The heat sealing process of the packaging bag is convenient and quick to operate, without manual handling, which greatly reduces the workload and has high production efficiency, which is worthy of promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional stereogram of the utility model;

[0014] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0015] Figure 3 This is a front view of the switchboard when the utility model is working;

[0016] Figure 4 This is a top view of the switchboard when the utility model is working.

[0017] Among them: 1-baffle, 2-movable bottom plate, 3-movable outer frame, 4-lifting plate, 5-flipping plate, 6-first cylinder, 7-carrying platform, 8-movable arm, 9-third cylinder, 10-grip, 11-connecting block, 12-sleeve, 13-guide rod, 14-second cylinder, 15-switchboard housing, 16-drag chain, 17-conveyor belt mechanism, 18-heat sealing machine. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-4In the embodiment of the utility model, a thermoplastic sealing device for a palletizer includes a movable outer frame 3 arranged inside a main unit housing 15, a movable bottom plate 2 is fixedly arranged on the bottom of the rear side surface of the movable outer frame 3, a tray assembly is arranged on the top of the movable bottom plate 2, a first cylinder 6 is fixedly arranged on the top of the front side surface of the movable outer frame 3, an extended end of the first cylinder 6 is vertically upward and connected to a bearing platform 7, the bearing platform 7 includes two vertical plates and a horizontal plate that are vertical and fixedly connected to each other, a second cylinder 14 is fixedly inserted in the middle of the vertical plate, and an extended end of the second cylinder 14 passes through the vertical plate and is connected to the movable bottom plate 14. The movable arm 8 also has a sleeve 12 fixedly inserted on the vertical plate. The sleeve 12 is set to penetrate front and back. A guide rod 13 adapted to it is slidably provided in the sleeve 12. One end of the guide rod 13 is connected to the movable arm 8. The left and right ends of the movable arm 8 are respectively rotatably connected with clamps 10 through the rotating shaft A. The clamps 10 are "L" shaped. The left and right ends of the front surface of the movable arm 8 are symmetrically provided with third cylinders 9. The output ends of the two third cylinders 9 are far away from each other and are provided with a connecting block 11. A socket is provided at the front end of the clamp 10, and a rotating shaft B is provided in the socket. The connecting block 11 is rotatably sleeved on the outside of the rotating shaft B.

[0020] The tray assembly includes a lifting plate 4, a flip plate 5 and a baffle 1. The top of the movable bottom plate 2 is connected to the lifting plate 4 through a first electric push rod. A flip plate 5 is provided on the top of the lifting plate 4. The front side of the lifting plate 4 and the front side of the flip plate 5 are rotatably connected through a hinge. A second electric push rod is provided at the bottom of the lifting plate 4. The extended end of the second electric push rod is connected to the side of the bottom of the flip plate 5 away from the hinge. A baffle 1 is fixedly installed on the side of the top of the flip plate 5 away from the hinge. The first electric push rod is used to drive the lifting plate 4 to move up and down, that is, to drive the flip plate 5 to move up and down, and the second electric push rod is used to drive the flip plate 5 to flip forward or reset.

[0021] There are two sleeves 12, which are symmetrically distributed on the left and right sides of the second cylinder 14; when the second cylinder 14 is started, it can drive the movable arm 8 to move forward or backward. At the same time, the two guide rods 13 also slide in the corresponding sleeves 12, which guides and stabilizes the movement of the movable arm 8.

[0022] The rear end of the clamping jaw 10 extends to the rear surface of the moving arm 8 , and a plurality of grooves are formed on the inner side wall of the rear end of the clamping jaw 10 .

[0023] The front surface of the switchboard housing 15 is designed to be open, and a conveyor matched with the drag chain 16 is provided at the bottom of the switchboard housing 15, and the movable bottom plate 2 is installed on the conveyor.

[0024] A conveyor belt mechanism 17 is provided on the front side of the switchboard housing 15, and a heat sealer 18 is provided on the upper part of the switchboard housing 15; the conveyor belt mechanism 17 and the heat sealer 18 are existing technologies commonly used in this field and even in other fields, and are not the innovations of this application, so they will not be elaborated in detail. The heat sealer 18 is used to heat seal the bag opening of the packaging bag, and the conveyor belt mechanism 17 is used to directly transport the bagged and heat-sealed goods.

[0025] Specifically: when the packaging bag is loaded with materials, the conveyor transmits to the left, so that the tray assembly moves to the bottom of the packaging bag, and then the first electric push rod is started to drive the tray assembly to move upward, so that the flip plate 5 contacts the bottom of the packaging bag to carry the packaging bag, and then the second cylinder 14 is started, and the second cylinder 14 drives the moving arm 8 to move until it fits with the surface of the packaging bag, and then the two third cylinders 9 are started, and the output end of the third cylinder 9 drives the clamping jaw 10 to rotate through the connecting block 11, so the rear end of the clamping jaw 10 is close to the rear surface of the moving arm 8, so that the two ends of the packaging belt here can be clamped and fixed, and the multiple grooves arranged on the inner side wall of the rear end of the clamping jaw 10 are conducive to increasing the friction during clamping and improving the clamping stability; then the first electric push rod and the first cylinder 6 are simultaneously At the same time, it is adaptively shortened to drive the packaging bag to move down in a fine-tuned manner, which is convenient for the conveyor to be transmitted to the right, and the tray assembly together with the packaging bag is moved to the right to be directly below the heat sealer 18. At this time, the first electric push rod and the first cylinder 6 are extended at the same time, driving the packaging bag to rise, so that the bag mouth of the packaging bag extends into the heat sealer 18, which is convenient for heat sealing. After the heat sealing is completed, the clamping jaws 10 are released, and then the tray assembly descends, and then the second electric push rod is started to drive the flip plate 5 to flip forward. At the same time, with the action of the baffle 1, the packaging bag can be poured into the conveyor belt mechanism 17 for transmission, which is convenient for subsequent operations. The overall operation process has high precision and high degree of automation. The heat sealing process of the packaging bag is convenient and quick to operate, without manual handling, which greatly reduces the workload and has high production efficiency, and is worthy of promotion.

[0026] It should be understood that although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A thermoplastic sealing device for a palletizer, comprising a movable outer frame (3) arranged inside a main machine housing (15); characterized in that: A movable bottom plate (2) is fixedly provided at the bottom of the rear surface of the movable outer frame (3), a tray assembly is provided at the top of the movable bottom plate (2), a first cylinder (6) is fixedly provided at the top of the front surface of the movable outer frame (3), an extended end of the first cylinder (6) is vertically upward and connected to a bearing platform (7), the bearing platform (7) comprises two vertical plates and a horizontal plate which are vertical and fixedly connected to each other, a second cylinder (14) is fixedly inserted in the middle of the vertical plate, an extended end of the second cylinder (14) passes through the vertical plate and is connected to a movable arm (8), and a sleeve (12) is also fixedly inserted on the vertical plate A sleeve (12) is arranged to penetrate the front and back sides, a guide rod (13) adapted to the sleeve (12) is slidably arranged in the sleeve (12), one end of the guide rod (13) is connected to the movable arm (8), the left and right ends of the movable arm (8) are respectively rotatably connected to the clamping jaws (10) through the rotating shaft A, the left and right ends of the front surface of the movable arm (8) are symmetrically provided with third cylinders (9), the output ends of the two third cylinders (9) are far away from each other and are provided with a connecting block (11), the front end of the clamping jaw (10) is provided with a socket, the socket is provided with a rotating shaft B, and the connecting block (11) is rotatably sleeved outside the rotating shaft B.

2. A thermoplastic sealing device for a palletizer according to claim 1, characterized in that: The tray assembly comprises a lifting plate (4), a flip plate (5) and a baffle (1); the top of the movable bottom plate (2) is connected to the lifting plate (4) via a first electric push rod; the top of the lifting plate (4) is provided with a flip plate (5); the front side of the lifting plate (4) and the front side of the flip plate (5) are rotatably connected via a hinge; the bottom of the lifting plate (4) is provided with a second electric push rod; the extended end of the second electric push rod is connected to a side of the bottom of the flip plate (5) away from the hinge; the baffle (1) is fixedly installed on a side of the top of the flip plate (5) away from the hinge.

3. A thermoplastic sealing device for a palletizer according to claim 2, characterized in that: The sleeves (12) are provided with two and are symmetrically distributed on the left and right sides of the second cylinder (14).

4. A thermoplastic sealing device for a palletizer according to claim 3, characterized in that: The rear end of the clamping jaw (10) extends to the rear surface of the moving arm (8), and a plurality of grooves are arranged on the inner side wall of the rear end of the clamping jaw (10).

5. A thermoplastic sealing device for a palletizer according to claim 4, characterized in that: The front surface of the switchboard housing (15) is designed to be open, and a conveyor matching the drag chain (16) is provided at the bottom of the switchboard housing (15), and the movable base plate (2) is installed on the conveyor.

6. A thermoplastic sealing device for a palletizer according to claim 5, characterized in that: A conveyor belt mechanism (17) is provided on the front side of the switchboard housing (15), and a heat sealer (18) is provided on the upper part of the switchboard housing (15).

7. A thermoplastic sealing device for a palletizer according to claim 6, characterized in that: The clamping jaw (10) is in an "L" shape.

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