Sealed adsorption device for vacuum carrying manipulator

Abstract

The utility model discloses a sealed adsorption device for a vacuum carrying manipulator, which belongs to the technical field of automatic carrying equipment and comprises an adsorption head and a vacuum pump, the vacuum pump is mounted on a manipulator body, a connecting pipe is fixedly connected to the top of the adsorption head, and a connecting component is arranged at the top of the connecting pipe. A connecting assembly is arranged at the bottom of the adsorption head, a connecting column is arranged at the top of the connecting assembly, a mounting plate is fixedly connected to the top of the connecting column, and the mounting plate is fixedly mounted on a manipulator end effector. Through the design of the sealing ring, the sealing performance of the adsorption device is remarkably improved, the air leakage phenomenon is reduced, the stability of adsorption force is ensured, the adsorption device can adapt to workpieces of different shapes and sizes through the flat structure of the adsorption head and the elastic sealing ring, and the universality of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic handling equipment technical field more specifically relates to a kind of sealing suction device for vacuum handling manipulator. BACKGROUND

[0002] On automated production line, vacuum handling manipulator is widely used in workpiece's grabbing, handling and placement, and the vacuum handling manipulator is a kind of equipment using vacuum suction principle to carry object, and is usually used in automated production line, assembly line and other occasions needing high-precision handling. In order to ensure that object can be firmly adsorbed during handling, the vacuum handling manipulator is usually equipped with sealing suction device.

[0003] The existing vacuum suction device usually uses vacuum chuck or vacuum generator to realize adsorption function, however, the traditional vacuum suction device has the following problems:

[0004] 1. Insufficient sealing performance, easy to cause adsorption force to drop due to air leakage, affecting handling stability;

[0005] 2. Uneven contact surface between chuck and workpiece, easy to cause workpiece surface damage;

[0006] 3. Complex structure, high maintenance cost, and not easy to adapt to workpieces of different shapes and sizes.

[0007] Therefore, we propose a kind of sealing suction device for vacuum handling manipulator to solve the above problems. CONTENT OF UTILITY MODEL

[0008] The utility model aims at solving the problems of traditional vacuum suction device, such as insufficient sealing performance, easy to cause adsorption force to drop due to air leakage, affecting handling stability, uneven contact surface between chuck and workpiece, easy to cause workpiece surface damage, and not easy to adapt to workpieces of different shapes and sizes, and provides a kind of sealing suction device for vacuum handling manipulator.

[0009] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0010] A kind of sealing suction device for vacuum handling manipulator, including suction head, further including vacuum pump, vacuum pump is installed on manipulator body, the top of the suction head is fixedly connected with connecting pipe, the top of the connecting pipe is provided with connecting assembly, the top of the connecting assembly is provided with connecting column, the top of the connecting column is fixedly connected with mounting plate, the mounting plate is fixedly installed on manipulator end effector, the bottom of the suction head is provided with a plurality of suction holes, the bottom edge of the suction head is provided with annular groove, the bottom of the suction head is provided with sealing ring, and the sealing ring is embedded in annular groove by its elastic deformation.

[0011] As a further description of the above technical scheme, the connecting assembly comprises a fixing plate fixed at the bottom of the connecting column and an insertion block fixed at the top of the connecting pipe, the bottom of the fixing plate is provided with an insertion slot matched with the insertion block, and the two sides of the insertion block are symmetrically provided with insertion holes, and the two sides of the fixing plate are symmetrically provided with clamping assemblies.

[0012] As a further description of the above technical scheme, the clamping assembly comprises sleeves fixedly connected to the two sides of the fixing plate, a pull rod is inserted into one side of the sleeve, one end of the pull rod in the sleeve is fixedly connected with a moving block, a reset spring is sleeved with one end of the pull rod close to the moving block, one end of the moving block away from the pull rod is fixedly connected with an insertion rod matched with the insertion hole, and the outer ends of the insertion block and the insertion hole are all chamfered.

[0013] As a further description of the above technical scheme, one end of the connecting pipe is provided with a one-way valve, and the inner cavity of the connecting pipe is fixedly connected with a filter screen at the bottom end.

[0014] As a further description of the above technical scheme, the output end of the vacuum pump is fixedly connected with a vacuum hose, and the other end of the vacuum hose is communicated with the connecting pipe.

[0015] As a further description of the above technical scheme, the adsorption head is in a flat structure, a plurality of adsorption holes are annularly distributed, the sealing ring is made of an elastic material and has a sawtooth-shaped cross section.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. In use, the bottom of the adsorption head is provided with a plurality of adsorption holes which are annularly and uniformly distributed to improve the uniformity of adsorption force, the design of the sealing ring significantly improves the sealing performance of the adsorption device, reduces air leakage and ensures the stability of adsorption force, the sealing ring can be detached and replaced to adapt to different working conditions, the flat structure of the adsorption head and the elastic sealing ring can adapt to workpieces of different shapes and sizes, the universality of the device is improved, and the practicality of the device is improved.

[0018] 2. The connecting assembly is provided, and when the adsorption head is installed, the insertion block only needs to be inserted into the insertion slot, the reset spring is compressed and then reset during the insertion process, so that the insertion rod is clamped into the insertion hole, the installation of the adsorption head is completed, and vice versa, the pull rod only needs to be pulled outward, the limiting and fixing of the insertion block are released, the adsorption head is convenient to disassemble, the operation is convenient, the maintenance and replacement of the adsorption head are facilitated, and the use cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1It is a schematic diagram of the overall structure of a sealing and adsorbing device for a vacuum handling manipulator.

[0020] Figure 2 It is a schematic diagram of the internal structure of a connecting pipe and a connecting assembly of a sealing and adsorbing device for a vacuum handling manipulator.

[0021] Figure 3 It is Figure 2 A schematic diagram of the enlarged structure at A.

[0022] Figure 4 It is a schematic diagram of the exploded structure of a suction head and a sealing ring of a sealing and adsorbing device for a vacuum handling manipulator.

[0023] The drawings show that the sealing and adsorbing device for a vacuum handling manipulator comprises a suction head 1, a connecting pipe 2, a connecting assembly 3, a connecting column 4, a mounting plate 5, a vacuum pump 6, a vacuum hose 7, a one-way valve 8, a filter screen 9, a plurality of adsorbing holes 10, an annular groove 11 and a sealing ring 12. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present application, the present application will be described more comprehensively below with reference to the relevant drawings, and the drawings show several embodiments of the present application, but the present application can be realized in different forms and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the present application more thorough and comprehensive.

[0025] The sealing and adsorbing device for a vacuum handling manipulator provided by the present application, as shown in the drawings, comprises a suction head 1, a connecting pipe 2, a connecting assembly 3, a connecting column 4, a mounting plate 5, a vacuum pump 6, a vacuum hose 7, a one-way valve 8, a filter screen 9, a plurality of adsorbing holes 10, an annular groove 11 and a sealing ring 12. Figures 1-4 The suction head 1 is of a flat structure, and the vacuum pump 6 is installed on the manipulator body, the top of the suction head 1 is fixedly connected with the connecting pipe 2, the output end of the vacuum pump 6 is fixedly connected with the vacuum hose 7, the other end of the vacuum hose 7 is in communication with the connecting pipe 2, the top of the connecting pipe 2 is provided with the connecting assembly 3, the top of the connecting assembly 3 is provided with the connecting column 4, the top of the connecting column 4 is fixedly connected with the mounting plate 5, the mounting plate 5 is fixedly installed on the manipulator end effector, the bottom of the suction head 1 is provided with a plurality of adsorbing holes 10, the plurality of adsorbing holes 10 are annularly distributed, the bottom edge of the suction head 1 is provided with the annular groove 11, the bottom of the suction head 1 is provided with the sealing ring 12, the sealing ring 12 is embedded in the annular groove 11 through elastic deformation, the sealing ring 12 is made of elastic material, and the cross section of the sealing ring 12 is sawtooth-shaped.

[0026] In use, when the adsorption head 1 is installed, only the plug block 32 is inserted into the slot 33 to complete the installation of the adsorption head 1, and vice versa, only the pull rod 342 is pulled outward to disassemble the adsorption head 1, which is convenient to operate, convenient to maintain and replace the adsorption head 1, reduces the use cost, the bottom of the adsorption head 1 is provided with a plurality of adsorption holes 10 which are evenly distributed in a ring shape to improve the uniformity of the adsorption force, the design of the sealing ring 12 significantly improves the sealing performance of the adsorption device, reduces the air leakage phenomenon, and ensures the stability of the adsorption force, the sealing ring 12 is embedded in the annular groove 11 through elastic deformation to form a tight fixation, the width of the annular groove 11 is slightly smaller than the cross-sectional diameter of the sealing ring 12 to ensure that the sealing ring 12 will not fall off after installation and can maintain a certain elastic deformation capacity to adapt to the unevenness of the workpiece surface, and the sealing ring 12 can be disassembled and replaced to adapt to different working conditions. Through the flat structure of the adsorption head 1 and the elastic sealing ring, different shapes and sizes of workpieces can be adapted, and the universality of the device is improved.

[0027] Further, the connecting assembly 3 includes a fixed plate 31 fixed at the bottom of the connecting column 4 and a plug block 32 fixed at the top of the connecting pipe 2, the bottom of the fixed plate 31 is provided with a slot 33 matched with the plug block 32, both sides of the plug block 32 are symmetrically provided with a plug hole 35, both sides of the fixed plate 31 are symmetrically provided with a clamping assembly 34, the clamping assembly 34 includes a sleeve 341 fixedly connected to both sides of the fixed plate 31, a pull rod 342 is inserted into one side of the sleeve 341, one end of the pull rod 342 in the sleeve 341 is fixedly connected with a moving block 344, the end of the pull rod 342 close to the moving block 344 is sleeved with a return spring 343, the end of the moving block 344 away from the pull rod 342 is fixedly connected with a plug rod 345 matched with the plug hole 35, and the outer ends of the plug block 32 and the plug hole 35 are rounded.

[0028] In use, when the adsorption head 1 is installed, only the plug block 32 is inserted into the slot 33, in the process of insertion, the return spring 343 is compressed and then reset, so that the plug rod 345 is clamped into the plug hole 35, and the installation of the adsorption head 1 is completed, and vice versa, only the pull rod 342 is pulled outward, the pull rod 342 drives the moving block 344 to move outward, thereby driving the plug rod 345 to move outward and separate from the plug hole 35, so that the plug block 32 is released from the limiting and fixing, thereby facilitating the disassembly of the adsorption head 1, which is convenient to operate, convenient to maintain and replace the adsorption head 1, and convenient to use.

[0029] Further, one end of the connecting pipe 2 is provided with a one-way valve 8, and the inner cavity of the connecting pipe 2 is fixedly connected with a filter screen 9 at the bottom end, in use, the one-way valve 8 is arranged to effectively prevent air backflow when the vacuum pump 6 stops working, affecting the adsorption effect, and the filter screen 9 is arranged to effectively prevent dust or impurities from entering the vacuum pump 6, improving the service life thereof.

[0030] The working principle of the utility model is: when installing the adsorption head 1, only need to insert the plug block 32 into the slot 33, in the process of inserting, the reset spring 343 makes the action of compression first and reset later, so that the insertion rod 345 is clamped into the insertion hole 35, the installation of the adsorption head 1 is completed, on the contrary, only need to pull the pull rod 342 outward, the pull rod 342 drives the moving block 344 to move outward, so as to drive the insertion rod 345 to move outward and separate from the insertion hole 35, the limiting and fixing of the plug block 32 can be released, so as to facilitate the disassembly of the adsorption head 1, convenient operation, convenient maintenance and replacement of the adsorption head 1, reduce the use cost;

[0031] The bottom of the adsorption head 1 is provided with a plurality of adsorption holes 10, the adsorption holes 10 are evenly distributed in a ring shape, so as to improve the uniformity of adsorption force, the design of the sealing ring 12 significantly improves the sealing performance of the adsorption device, reduces the air leakage phenomenon, ensures the stability of adsorption force, and the sealing ring 12 can be disassembled and replaced to adapt to different working conditions, the flat structure of the adsorption head 1 and the elastic sealing ring can adapt to workpieces of different shapes and sizes, and the universality of the device is improved.

[0032] The utility model is described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above mode, as long as the method concept and technical scheme of the utility model are adopted for this kind of non-essential improvement or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A sealed suction device for a vacuum handling robot, comprising a suction head (1), characterized in that: Also include a vacuum pump (6), vacuum pump (6) is installed on the mechanical hand body, the top of the adsorption head (1) is fixedly connected with the connecting pipe (2), the top of the connecting pipe (2) is provided with connecting assembly (3), the top of the connecting assembly (3) is provided with connecting column (4), the top of the connecting column (4) is fixedly connected with the mounting plate (5), the mounting plate (5) is fixedly installed on the mechanical hand end effector, the bottom of the adsorption head (1) is provided with a plurality of adsorption holes (10), the bottom edge of the adsorption head (1) is provided with an annular groove (11), the bottom of the adsorption head (1) is provided with a sealing ring (12), the sealing ring (12) is embedded in the annular groove (11) by its elastic deformation.

2. The sealed suction device for a vacuum handling robot according to claim 1, wherein: The connecting assembly (3) includes a fixed plate (31) fixed at the bottom of the connecting column (4) and an insertion block (32) fixed at the top of the connecting pipe (2), the bottom of the fixed plate (31) is provided with an insertion slot (33) matched with the insertion block (32), the two sides of the insertion block (32) are symmetrically provided with insertion holes (35), and the two sides of the fixed plate (31) are symmetrically provided with clamping assemblies (34).

3. The sealed suction device for a vacuum handling robot according to claim 2, wherein: The clamping assembly (34) includes a sleeve (341) fixedly connected to the two sides of the fixed plate (31), a pull rod (342) inserted into one side of the sleeve (341), a moving block (344) fixedly connected to one end of the pull rod (342) in the sleeve (341), a reset spring (343) sleeved on one end of the pull rod (342) close to the moving block (344), an insertion rod (345) fixedly connected to one end of the moving block (344) away from the pull rod (342) and matched with the insertion hole (35), and the outer ends of the insertion block (32) and the insertion hole (35) are rounded.

4. The sealed suction device for a vacuum handling robot according to claim 3, wherein: One end of the connecting pipe (2) is provided with a one-way valve (8), and the inner cavity of the connecting pipe (2) is fixedly connected with a filter screen (9) at the bottom.

5. The sealed suction device for a vacuum handling robot according to claim 1, wherein: The output end of the vacuum pump (6) is fixedly connected with a vacuum hose (7), and the other end of the vacuum hose (7) is communicated with the connecting pipe (2).

6. The sealed suction device for a vacuum handling robot according to claim 1, wherein: The adsorption head (1) is flat, the plurality of adsorption holes (10) are annularly distributed, the sealing ring (12) is made of elastic material, and the cross section is sawtooth-shaped.

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