Mechanical arm taking device for folding table production

Abstract

The invention discloses a folding table production mechanical arm taking device which comprises crossing beams, sealing hollow cylinders are installed on the two sides of the top of the crossing beams, grabbing suction cups are fixedly connected to the bottoms of the sealing hollow cylinders, a swing plate is rotatably installed between the two crossing beams through a transverse shaft structure, and pushing strips are integrally arranged on the upper portions of the two sides of the swing plate. An arc-shaped rod is installed on the side face of the pushing strip, a supporting side plate is fixedly installed on the top of the crossing beam, small pulleys are installed on the inner side of the supporting side plate and the top position of an inner cavity of the sealing hollow cylinder through short shaft structures, and pulling ropes are wound around the outer rings of the small pulleys in a penetrating mode. Through the design and use of the flattened grabbing suction cup matched with the pulling rope which is pulled and tightened all the time and the sealing piston, the scheme that the internal and external pressure difference of the grabbing suction cup is increased is adopted, taking and transferring of plates can be achieved, and the problems that a grabbing structure of an existing mechanical arm is prone to damaging the table top plates, and the working efficiency is high can be effectively solved. And the problem of defective folding tables is further solved.

Description

Technical Field

[0001] The invention relates to the technical field of robot arm structures, in particular to a robot arm picking device for producing folding tables. Background Art

[0002] A folding table is a table that can be folded and stored. It is easy to carry and saves space. It has many unique features in structural design and usage scenarios. Currently, the most mainstream folding tables have foldable legs. Of course, there are also some tables with foldable table tops. However, in terms of relative quantity and usage, the design with foldable legs still accounts for the majority.

[0003] When processing and producing folding tables, manual processing is still the main method, as follows: the operator needs to first move the table top panels from the stacking area to the assembly area, and then use various assembly equipment to install and fix the table top panels and the foldable table leg structure. The above action flow needs to be repeated continuously during the processing and production of folding tables. For some small factories with small output, there is not much wrong with using the above production method. However, for some large factories or manufacturers with large production volumes, the traditional processing and production methods are no longer sufficient to meet production needs, and will also increase the physical burden on staff.

[0004] With the continuous progress and development of mechanized production, more and more investment has been made in the field of industrial production. Among them, the use of manipulators is the most common technical means. When applied to the production of furniture such as folding tables, machinery can replace manual work in moving table panels, which can not only improve production efficiency, but also greatly reduce the burden on workers.

[0005] However, the existing mechanical arm structure, especially the gripping structure, still has some defects and problems in the actual use of desktop panels:

[0006] The problem of gripping force. Desktop panels are currently made of various materials. The gripping and handling of the robot arm cannot adjust the gripping force in real time according to the weight of the panel, which can easily cause the desktop panel to be damaged due to excessive force.

[0007] The gripping structure of the robot arm often needs to be used in conjunction with various pneumatic and hydraulic equipment, which is not only prone to failure, but more importantly, it increases energy consumption and production costs.

[0008] Therefore, we propose a folding table production robot arm picking device to solve the above problems. Summary of the invention

[0009] The object of the present invention is to provide a robot arm picking device for folding table production to solve the problems raised in the above-mentioned background technology.

[0010] To achieve the above object, the present invention provides the following technical solutions:

[0011] A robotic arm picking device for producing folding tables, comprising a cross beam, with sealed hollow cylinders installed through both sides of the top of the cross beam, a grabbing suction cup fixedly connected to the bottom of the sealed hollow cylinder, a swing plate rotatably installed between the two cross beams via a transverse axis structure, push strips are integrally provided on the upper parts of both sides of the swing plate, arc-shaped rods are installed on the sides of the push strips, a supporting side plate is fixedly installed on the top of the cross beam, small pulleys are installed on the inner sides of the supporting side plates and the top position of the inner cavity of the sealed hollow cylinder via a short axis structure, and a pulling rope is passed through the outer ring of the small pulley.

[0012] Preferably, the inner cavity of the sealed hollow cylinder is communicated with the inner cavity of the grabbing suction cup, and a sealing piston is arranged in the inner cavity of the sealed hollow cylinder.

[0013] Preferably, two ends of the pulling rope are fixedly mounted on the sealing piston and the top of the arc rod respectively, and a through hole structure for the pulling rope to pass through is provided at the top position of the side surface of the sealing hollow cylinder.

[0014] Preferably, a docking bolt that is docked with the mechanical arm structure is fixedly installed on the top of the cross beam.

[0015] Preferably, a scraper structure is fixedly installed at the bottom position of the swing plate, a rubber skin of the same size as the scraper structure is installed on one side of the scraper structure, and a chamfered structure is provided at the bottom position of the other side of the scraper structure.

[0016] Preferably, the top of the arc rod passes through the cross beam and extends to the outside of the top of the cross beam, and a tension spring is mounted on the outer ring of the arc rod, and the two ends of the tension spring are respectively against the bottom of the cross beam and the top of the push bar.

[0017] Preferably, the initial position of the scraper structure is located behind the grabbing suction cup, and the scraper structure and the swing plate are both inclined in the initial state.

[0018] Preferably, a strip groove is provided on the side surface of the supporting side plate for the short axis structure to move up and down.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The robot arm picking device for folding table production, through the design and use of a flattened grabbing suction cup, a constantly pulled taut pulling rope and a sealing piston, can achieve the picking and transfer of the plate by enhancing the internal and external pressure difference of the grabbing suction cup, and can effectively solve the problem that the grabbing structure of the existing robot arm is easy to damage the desktop plate, and then produce defective folding tables.

[0021] 2. The robot arm picking device for the production of folding tables, through the design and use of a scraper structure with a rubber skin, a tension spring, a push bar, a swing plate and an arc rod, can achieve the purpose of clamping the desktop board on the basis of adsorption by the grabbing suction cup, thereby improving the stability and safety of picking up the board.

[0022] 3. The folding table is produced with a robotic arm picking device, which does not require an additional power source. The picking action is completely completed by the action of the robot arm, which is more energy-saving and environmentally friendly, and can also effectively reduce production costs.

[0023] 4. The scraper structure of the robot arm picking device for the production of the folding table can also wipe and clean the adsorption area of ​​the grabbing suction cup when in use, thereby improving the adsorption force of the grabbing suction cup. At the same time, combined with the design of the chamfering structure, it can scrape off the sticky substances and protrusions on the surface of the board, which helps to improve the flatness of the folding table. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the swing plate of the present invention;

[0026] Figure 3 For the present invention Figure 1 A magnified view of the structure at center;

[0027] Figure 4 It is a schematic diagram of the structure of the grabbing suction cup and the sealed hollow cylinder of the present invention.

[0028] In the figure: 1. cross beam; 2. sealed hollow cylinder; 3. grab suction cup; 4. horizontal axis structure; 5. swing plate; 6. push bar; 7. arc rod; 8. support side plate; 9. small pulley; 10. pulling rope; 11. sealing piston; 12. docking bolt; 13. scraper structure; 14. tension spring; 15. strip groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example: See Figure 1-4 The present invention provides a technical solution: a robotic arm picking device for folding table production.

[0031] Embodiment 1:

[0032] The picking device mainly comprises a cross beam 1 docked with the manipulator, sealed hollow cylinders 2 are installed through both ends of the cross beam 1, and a grabbing suction cup 3 is fixedly installed at the bottom of the sealed hollow cylinder 2.

[0033] A swing plate 5 is rotatably mounted between the two cross beams 1 via a transverse axis structure 4, a push bar 6 is integrally fixedly connected to the upper positions on both sides of the swing plate 5, and an arc rod 7 is mounted on the side of the push bar 6 via bolt fasteners.

[0034] A supporting side plate 8 is fixedly installed on the top of the cross beam 1, and a small pulley 9 is installed between the two supporting side plates 8 and on the top of the inner cavity of the sealed hollow cylinder 2 through a short axis structure, and a pulling rope 10 is passed through the groove of the small pulley 9.

[0035] The inner cavity of the sealed hollow cylinder 2 is communicated with the inner cavity of the grabbing suction cup 3 , and a sealing piston 11 is arranged in the inner cavity of the sealed hollow cylinder 2 .

[0036] One end of the pulling rope 10 is fixedly connected to the top of the sealing piston 11 , and the other end of the pulling rope 10 is fixedly connected to the top of the arc rod 7 .

[0037] A docking bolt 12 for docking and installing the manipulator structure is fixedly installed in the middle of the top of the cross beam 1.

[0038] In this embodiment, the entire picking device is firstly docked and installed with the main structure of the mechanical arm through the docking bolt 12, and the mechanical arm with the picking device is placed in a suitable position. The picking device moves synchronously with the mechanical back and forth movement. When it is necessary to pick up the desktop plate, the picking device moves with the mechanical hand device to the top of the opposite area of ​​the plate, and then as the mechanical hand continues to descend, the picking device gradually approaches the surface of the plate. When the grabbing suction cup 3 has contacted the surface of the plate, when the picking device continues to move downward, the grabbing suction cup 3 will be firmly attached to the surface of the plate;

[0039] At the same time, due to the reverse force of the plate, the swing plate 5 will rotate around the horizontal axis structure 4, and the push bar 6 will also rotate accordingly, and then continuously push the arc rod 7 upward. As the arc rod 7 continues to rise, it will pull the pulling rope 10, and the pulling rope 10 will gradually pull the sealing piston 11 upward, thereby achieving a strong negative pressure in the sealing hollow cylinder 2 and the grabbing suction cup 3, which can more firmly adsorb and grab the plate.

[0040] This technical solution uses a flattened grabbing suction cup 3 in conjunction with a constantly pulled taut pulling rope 10 and a sealing piston 11, and can enhance the internal and external pressure difference of the grabbing suction cup 3 to achieve the picking up and transfer of the plate. This can effectively solve the problem that the grabbing structure of the existing manipulator is prone to damage to the desktop plate, resulting in defective folding tables.

[0041] Embodiment 2:

[0042] A scraper structure 13 is fixedly installed at the bottom of the swing plate 5 . A whole piece of rubber skin of the same size is fixedly installed on one side of the scraper structure 13 . A chamfered structure is arranged at the bottom of the other side of the scraper structure 13 .

[0043] A tension spring 14 is sleeved on the outer ring of the arc rod 7.

[0044] The two ends of the tension spring 14 respectively abut against the top of the push bar 6 and the bottom of the cross beam 1 .

[0045] The scraper structure 13 is located behind the grabbing suction cup 3 in the initial state, and the scraper structure 13 is in an inclined state in the initial state.

[0046] A strip groove 15 is provided on the side surface of the supporting side plate 8 for the short axis structure to move up and down.

[0047] In this embodiment, based on the first embodiment, when the picking device gradually approaches the surface of the plate, the scraper structure 13 first contacts the surface of the plate, and then uses the interaction force between the plate and the scraper structure 13 to gradually rotate the swing plate 5 together with the push bar 6 and the scraper structure 13 thereon, wherein the push bar 6 pushes the arc rod 7 upward when rotating, and the scraper structure 13 gradually moves toward the edge of the plate along the surface of the plate. When the scraper structure 13 moves to the area of ​​the grabbing suction cup 3, the grabbing suction cup 3 begins to contact the surface of the plate. It should be noted that due to the design of the strip groove 15, when the grabbing suction cup 3 has not yet contacted the surface of the plate, the pulling rope 10 directly lifts the small pulley 9 between the supporting side plates 8 upward to avoid pulling the sealing piston 11 to move at the beginning, resulting in insufficient suction force of the subsequent grabbing suction cup 3.

[0048] The scraper structure 13 can wipe off the dust on the area where the grabbing suction cup 3 is to be adsorbed during the movement, thereby improving the adsorption force of the grabbing suction cup 3 in disguised form;

[0049] When the scraper structure 13 moves to the edge of the plate, since the picking device continues to move downward a short distance, the side of the scraper structure 13 with the rubber skin can be fitted with the side of the plate, and then the reverse force of the tension spring 14 can be used to allow the scraper structures 13 on both sides to firmly clamp the plate.

[0050] Finally, when it is time to place the plate, when the plate is transferred to the assembly table, the installer simply pulls the scraper structure 13 again, relying on the force of the tension spring 14 to push the swing plate 5 in the reverse direction, thereby releasing the pull rope 10, and the sealing piston 11 will move downward, reducing the internal and external pressure difference of the grab suction cup 3, and releasing the plate for assembly.

[0051] In the technical solution, firstly, by designing and using the scraper structure 13 with rubber skin in cooperation with the tension spring 14, the push bar 6, the swing plate 5 and the arc rod 7, the purpose of clamping the desktop plate can be achieved on the basis of the adsorption of the grabbing suction cup 3, thereby improving the stability and safety of picking up the plate;

[0052] Secondly, the picking device of the present technical solution does not require an additional power source. The picking action can be completed entirely by the action of the manipulator, which is more energy-saving and environmentally friendly, and can also effectively reduce production costs;

[0053] Finally, when the scraper structure 13 is in use, it can also wipe and clean the adsorption area of ​​the grabbing suction cup 3, thereby improving the adsorption force of the grabbing suction cup 3. At the same time, combined with the design of the chamfer structure, it can scrape off the sticky substances and protrusions on the surface of the board, which helps to improve the flatness of the folding table.

[0054] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical arm picking device for folding table production, comprising a cross beam (1), characterized in that: Sealed hollow cylinders (2) are installed through both sides of the top of the cross beam (1), and a grabbing suction cup (3) is fixedly connected to the bottom of the sealed hollow cylinder (2). A swing plate (5) is rotatably installed between the two cross beams (1) through a transverse axis structure (4). Push strips (6) are integrally arranged on the upper part of both sides of the swing plate (5), and arc rods (7) are installed on the side of the push strips (6). A supporting side plate (8) is fixedly installed on the top of the cross beam (1), and a small pulley (9) is installed on the inner side of the supporting side plate (8) and the top position of the inner cavity of the sealed hollow cylinder (2) through a short axis structure, and a pulling rope (10) is passed through the outer ring of the small pulley (9).

2. A mechanical arm picking device for folding table production according to claim 1, characterized in that: The inner cavity of the sealed hollow cylinder (2) is communicated with the inner cavity of the grabbing suction cup (3), and a sealing piston (11) is arranged in the inner cavity of the sealed hollow cylinder (2).

3. A mechanical arm picking device for folding table production according to claim 1, characterized in that: The two ends of the pulling rope (10) are respectively fixedly mounted on the sealing piston (11) and the top of the arc-shaped rod (7), and a through hole structure for the pulling rope (10) to pass through is provided at the top position of the side surface of the sealing hollow cylinder (2).

4. A mechanical arm picking device for folding table production according to claim 1, characterized in that: A docking bolt (12) is fixedly mounted on the top of the cross beam (1) and is docked with the mechanical arm structure.

5. The mechanical arm picking device for folding table production according to claim 1, characterized in that: A scraper structure (13) is fixedly mounted at the bottom of the swing plate (5), a rubber skin of the same size as the scraper structure (13) is mounted on one side of the scraper structure (13), and a chamfered structure is arranged at the bottom of the other side of the scraper structure (13).

6. A mechanical arm picking device for folding table production according to claim 1, characterized in that: The top of the arc-shaped rod (7) passes through the cross beam (1) and extends to the outside of the top of the cross beam (1). A tension spring (14) is mounted on the outer ring of the arc-shaped rod (7). The two ends of the tension spring (14) respectively abut against the bottom of the cross beam (1) and the top of the push bar (6).

7. The mechanical arm picking device for folding table production according to claim 5, characterized in that: The initial position of the scraper structure (13) is located behind the grabbing suction cup (3), and the scraper structure (13) and the swing plate (5) are both in an inclined state in their initial state.

8. The mechanical arm picking device for folding table production according to claim 1, characterized in that: The side surface of the supporting side plate (8) is provided with a strip groove (15) for the short axis structure to move up and down.

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