CN220354409U

CN220354409U - Swinging eccentric wheel and spraying equipment

Info

Publication number: CN220354409U
Application number: CN202321030537.3U
Authority: CN
Inventors: 张来玉; 郭源
Original assignee: Shanghai Sugude Intelligent Equipment Co ltd
Current assignee: Shanghai Sugude Intelligent Equipment Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2024-01-16
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a swinging eccentric wheel and spraying equipment, which relate to the technical field of spraying and comprise an axial transmission assembly, an eccentric transmission assembly and a connecting rod; the power assembly is connected with the axial transmission assembly and provides power for the axial transmission assembly, the axial transmission assembly is connected with the eccentric transmission assembly and transmits power, the eccentric transmission assembly comprises a sliding table, the sliding table is used for sliding a sliding block, the movement of the sliding block is controlled by the axial transmission assembly, the sliding block is connected with the connecting rod and transmits power, and the connecting rod is used for outputting power. The axial transmission assembly and the eccentric transmission assembly can be automatically controlled, manual interference is not needed, the degree of automation is high, the labor cost can be reduced, and the production efficiency is improved. The spraying equipment provided by the utility model adopts the swinging eccentric wheel, so that the automation degree is high.

Description

Swinging eccentric wheel and spraying equipment

Technical Field

The utility model relates to the technical field of spraying, in particular to a swinging eccentric wheel and spraying equipment.

Background

The spraying is a commonly used coating mode, the spraying operation has high production efficiency, is suitable for manual operation and industrial automatic production, and has wide application range. The spraying equipment comprises a spray gun, a spray booth, a paint supply room and the like. During the spraying process, a large amount of highly dispersed paint mist and volatilized solvent are generated.

When the spray gun is used, the spray gun needs to swing so as to enable paint mist to be sprayed uniformly. Related spray guns often utilize a rocking eccentric to control the rocking of the spray gun. The related swinging eccentric wheel is shown in fig. 1, the connecting rod is connected with the eccentric cam, the eccentric cam rotates to drive the connecting rod to swing, and the connecting rod swings to drive the spray gun to swing. The eccentric cam is provided with an arc-shaped groove for adjusting the swinging angle of the connecting rod. The related rocking eccentric has the following problems: the adjustable angle is small, and the angle needs to be manually adjusted. This causes the work beat of the spraying to be blocked, and the work efficiency to be lowered.

Disclosure of Invention

The present utility model aims to solve one of the technical problems in the related art to a certain extent. Therefore, the utility model provides the swinging eccentric wheel, which has the advantages of high automation degree and capability of greatly adjusting the movement angle of the connecting rod.

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

a swinging eccentric wheel comprises an axial transmission assembly, an eccentric transmission assembly and a connecting rod; the power assembly is connected with the axial transmission assembly and provides power for the axial transmission assembly, the axial transmission assembly is connected with the eccentric transmission assembly and transmits power, the eccentric transmission assembly comprises a sliding table, a sliding block and a sliding block driving device, the sliding block is arranged on the sliding table, and the sliding block driving device can drive the sliding block to slide on the sliding table; the slider is connected with the connecting rod and transmits power, and the connecting rod is used for outputting power.

The method has the following beneficial effects: automatic control is carried out through setting up axial drive subassembly and eccentric drive subassembly, and axial drive subassembly and eccentric drive subassembly can carry out automatic control, need not artificial interference, and degree of automation is high, can reduce the human cost, promotes production efficiency.

Optionally, the axial transmission assembly includes a transmission shaft, and the power assembly is connected to the transmission shaft and rotates the transmission shaft; the eccentric transmission assembly comprises an eccentric wheel, a transmission shaft is connected with the eccentric wheel, and the transmission shaft can drive the eccentric wheel to rotate.

Optionally, the eccentric transmission assembly further comprises a flange locking device, and the flange locking device can lock the sliding block.

Optionally, the sliding table is fixed on the eccentric wheel, and the slider passes through the slider flange and links to each other with the connecting rod.

Optionally, the slider driving device comprises a slider driving motor and a screw rod, the slider driving device is arranged on one side of the sliding table, and the slider driving motor drives the screw rod to control the slider to move.

Optionally, the flange locking device comprises an air cylinder, a pneumatic band-type brake, a band-type brake positioning block and a locking shaft; the cylinder is connected with the pneumatic band-type brake and can drive the pneumatic band-type brake, the pneumatic band-type brake can be matched with a band-type brake positioning block to lock a locking shaft, and the locking shaft is fixed with the sliding block.

Optionally, the axial transmission assembly further comprises a gas-electric integrated slip ring for providing electrical energy to the slider driving means and for providing gas to the flange locking means.

Optionally, the rocking eccentric wheel further comprises a sealing cover, wherein the sealing cover is arranged outside the rocking eccentric wheel and is used for sealing the rocking eccentric wheel.

In addition, the utility model also provides spraying equipment which comprises a frame, a power assembly and a spraying assembly, wherein the power assembly and the spraying assembly are arranged on the frame, the spraying assembly can spray a workpiece to be sprayed, and the spraying equipment comprises the swinging eccentric wheel of any one of the above. The swinging eccentric wheel is arranged on the frame, is driven by the power assembly, is connected with the spraying assembly and drives the spraying assembly. The spraying equipment provided by the utility model is similar to the beneficial effect reasoning process of the swinging eccentric wheel, and is not repeated here.

These features and advantages of the present utility model will be disclosed in more detail in the following detailed description and the accompanying drawings. The best mode or means of the present utility model will be described in detail with reference to the accompanying drawings, but is not limited to the technical scheme of the present utility model. In addition, these features, elements, and components are shown in plural in each of the following and drawings, and are labeled with different symbols or numerals for convenience of description, but each denote a component of the same or similar construction or function.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a rocking eccentric in an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an axial transmission assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an eccentric transmission assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of an eccentric drive assembly in accordance with an embodiment of the present utility model.

Wherein, 1, a power assembly; 2. an axial transmission assembly; 3. an eccentric transmission assembly; 4. a connecting rod; 5. a sealing cover; 21. a transmission shaft; 22. a coupling; 23. a gas-electricity integrated slip ring; 31. an eccentric wheel; 32. a sliding table; 33. a slide block; 331. a slider flange; 35. a slider driving device; 36. a flange locking device; 351. a slider driving motor; 352. a screw rod; 361. a cylinder; 362. pneumatic band-type brake; 363. a band-type brake positioning block; 364. a locking shaft; 41. a fish eye joint.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The examples in the embodiments are intended to illustrate the present utility model and are not to be construed as limiting the present utility model.

Reference in the specification to "one embodiment" or "an example" means that a particular feature, structure, or characteristic described in connection with the embodiment itself can be included in at least one embodiment of the present patent disclosure. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.

Examples:

the present embodiment provides a rocking eccentric that is used in a spray apparatus that can be used to control the rocking amplitude and rocking angle of a spray gun in the spray apparatus. It will be appreciated that the rocking eccentric of the present embodiment may also be used in other devices where control of rocking amplitude and rocking angle is required. The spray gun in the spraying equipment is one kind of spraying assembly, and the spraying assembly and the swinging eccentric wheel are arranged on the frame of the spraying assembly, and the swinging eccentric wheel is used for driving the spraying assembly.

The rocking eccentric in this embodiment comprises a power assembly 1 for providing power, an axial transmission assembly 2 for transmitting power and an eccentric transmission assembly 3 for transmitting power such that the mechanical structure is eccentrically moved. It will be appreciated that the power assembly 1 is part of a spraying apparatus, and that this embodiment is defined as part of a rocking eccentric for ease of description.

The rocking eccentric in this embodiment is required for controlling the spray gun in the spraying device and therefore also comprises a connecting rod 4, the connecting rod 4 being intended for connection with a spray gun assembly in the spraying device. The swinging eccentric wheel in this embodiment is mainly used in spraying equipment, and more dust exists in the working environment of spraying equipment, therefore, as shown in fig. 1, the swinging eccentric wheel in this embodiment is provided with a sealing cover 5, and the sealing cover 5 is used for isolating dust, paint mist and the swinging eccentric wheel, so that the internal structure of the swinging eccentric wheel is less affected by the dust or paint mist and is not easy to damage.

The power assembly 1 in this embodiment is a motor, which is a power output device commonly used in the art, and it is understood that the specific form of the power assembly 1 is not limited in this embodiment, and may be a cylinder, a hydraulic cylinder, or the like.

As can be seen from the above, the power assembly 1 in this embodiment is used to provide power for the axial transmission assembly 2, and as shown in fig. 2, the power assembly 1 is connected to the transmission shaft 21 in the axial transmission assembly 2 through the coupling 22. The coupling 22 is used for transmitting torque and rotational speed, and the power assembly 1 can drive the transmission shaft 21 to rotate. The present embodiment is not limited to a specific type of the coupling 22, and may be various couplings commonly used in the art, such as a flange coupling, an Oldham coupling, a slider coupling, a tooth coupling, a roller chain coupling, an elastic sleeve coupling, and the like.

One end of the transmission shaft 21 is connected with the power assembly 1, and the other end is connected with the eccentric transmission assembly 3. The eccentric transmission assembly 3 in the embodiment comprises an eccentric wheel 31, and the eccentric wheel 31 can rotate under the drive of the transmission shaft 21. The eccentric wheel 31 is provided with a sliding table 32, and the sliding table 32 is used as a base of the eccentric transmission assembly 3.

The eccentric transmission assembly 3 further comprises a sliding block 33 arranged on the sliding table 32, and the sliding block 33 can slide on the sliding table 32. The slide block 33 is provided with a slide block flange 331, and the slide block flange 331 is used for connecting the slide block 33 with the connecting rod 4. Specifically, the slider flange 331 is connected to the connection rod 4 through the fisheye joint 41. The sliding block 33 can slide on the sliding table 32, and the connecting rod 4 is connected with the sliding block 33 through the sliding block flange 331, so that the connecting rod 4 can move along with the sliding block 33, and the relative position of one end of the connecting rod 4 and the circle center of the eccentric wheel 31 is changed, so that the swinging amplitude of the connecting rod 4 is changed.

To move the slider, as shown in fig. 3, the eccentric transmission assembly 3 in this embodiment further includes a slider driving device 35, the slider driving device 35 includes a driving motor 351 and a screw shaft 352, the driving motor 351 provides kinetic energy to the screw shaft 352, and the screw shaft 352 converts the power of the rotational movement provided by the driving motor 351 into the power of the linear movement. The lead screw 352 passes through the slider 33 and is fixed to the slider flange 331, which allows the slider 33 to move following the movement of the lead screw 352.

After the slider 33 is moved to the proper position, the slider 33 needs to be fixed. In this embodiment, as shown in fig. 4, the flange locking device 36 is used to fix the sliding block 33, and specifically, the flange locking device 36 in this embodiment includes an air cylinder 361, a pneumatic band-type brake 362, and a band-type brake fixing block 363. The band-type brake is a braking device commonly used in the field, the pneumatic band-type brake 362 in this embodiment is controlled by the air cylinder 361, when the sliding block needs to be fixed, the air cylinder 361 is started, and the pneumatic band-type brake and the band-type brake fixing block are controlled to be closed, so that the locking shaft 364 is tightly matched with the band-type brake. The other end of the locking shaft 364 is fixed to the slider flange 331, so that when the locking shaft 364 is fixed, the position of the slider flange 331 is also fixed, and accordingly, the slider 33 is fixed.

The eccentric transmission assembly 3 in this embodiment rotates continuously during operation, and in order to make the control circuit work normally, the embodiment is provided with a gas-electric integrated slip ring 23 in the axial transmission assembly 2. The gas-electricity integrated slip ring 23 is a rotary joint, and has the functions of transmitting electricity, data and signals by the conductive slip ring and transmitting electricity, oil and liquid by the pneumatic slip ring. The integrated structure design makes the conductive slip ring and the pneumatic slip ring integrated into a whole, so that the volume of the equipment is reduced. The gas-electricity integrated slip ring realizes the simultaneous rotary conveying of a power medium, a fluid medium and a gas medium. The gas-electric integrated slip ring 23 used in the present embodiment is a gas-electric integrated slip ring commonly used in the art, and the structure thereof will not be described here. The gas-electric integrated slip ring 23 can rotate infinitely and can therefore be used as a carrier for the control circuit in the wobble eccentric in the present embodiment. The gas-electricity integrated slip ring 23 can supply gas and control the operation of the cylinder 361; and may also be powered to control the operation of the drive motor 351.

The working flow of the rocking eccentric in the present embodiment is as follows, and an external control signal is transmitted to the driving motor 351 through the gas-electric integrated slip ring 23. The driving motor 351 is controlled by the gas-electricity integrated slip ring 23 to start working, the driving motor 351 drives the screw rod 352 to move, and the screw rod 352 drives the sliding block 33 to move. When the slider 33 moves to the set position, the driving motor 351 stops operating. The gas-electricity integrated slip ring 23 starts to supply gas, the air cylinder 361 is controlled to work, the air cylinder 361 pushes the pneumatic band-type brake 362 and the band-type brake positioning block 363 to be folded, the locking shaft 364 is locked, and after the locking shaft 364 is locked, the sliding block flange 331 is locked, so that the sliding block 33 is locked. After the sliding block 33 reaches the set position and is locked, the power assembly 1 starts to work, the power assembly 1 drives the transmission shaft 21 to rotate, the transmission shaft 21 drives the eccentric wheel 31 to rotate, the eccentric wheel 31 drives the sliding table 32 to rotate, the sliding table 32 drives the sliding block 33 and the sliding block flange 331 to rotate, the sliding block flange 331 drives the fisheye joint 41 to rotate, the connecting rod 4 swings due to the rotation of the fisheye joint 41, and the connecting rod 4 outputs power. Thus, the rocking eccentric in this embodiment completes the process from position correction to actuation once. The resetting and stopping of the rocking eccentric can be deduced in the same way.

Compared with the traditional rocking eccentric wheel, the rocking eccentric wheel in the embodiment has the advantages that the moving range of the sliding block is large, and the movement of the sliding block is electrically controlled. The swing amplitude and angle of the connecting rod 4 can be controlled accurately in a larger range, and the degree of automation of the swing eccentric wheel provided by the embodiment is higher, and the swing eccentric wheel can be matched with computer software to complete full-automatic correction of the sliding block 33 and operation of the eccentric wheel 31.

The above is only a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and it should be understood by those skilled in the art that the present utility model includes but is not limited to the accompanying drawings and the description of the above specific embodiment. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.

Claims

1. The swinging eccentric wheel is characterized by comprising an axial transmission assembly (2), an eccentric transmission assembly (3) and a connecting rod (4); one end of the axial transmission assembly (2) is used for being connected with the power assembly (1) to acquire power, the other end of the axial transmission assembly (2) is connected with the eccentric transmission assembly (3) and transmits power, the eccentric transmission assembly (3) comprises a sliding table (32), a sliding block (33) and a sliding block driving device (35), the sliding block (33) is arranged on the sliding table (32), and the sliding block driving device (35) can drive the sliding block (33) to slide on the sliding table (32); the sliding block (33) is connected with the connecting rod (4) and transmits power, and the connecting rod (4) is used for outputting the power.

2. The rocking eccentric according to claim 1, characterized in that the axial transmission assembly (2) comprises a transmission shaft (21), the power assembly (1) being connected to the transmission shaft (21) and rotating the transmission shaft (21); the eccentric transmission assembly (3) comprises an eccentric wheel (31), the transmission shaft (21) is connected with the eccentric wheel (31), and the transmission shaft (21) can drive the eccentric wheel (31) to rotate.

3. The rocking eccentric according to claim 2, wherein the eccentric drive assembly further comprises a flange locking device (36), the flange locking device (36) locking the slider (33).

4. Rocking eccentric according to claim 2, characterized in that the sliding table (32) is fixed on the eccentric (31), the sliding block (33) being connected to the connecting rod (4) by means of a sliding block flange (331).

5. The rocking eccentric according to claim 1, wherein the slider driving means (35) includes a slider driving motor (351) and a screw (352), the slider driving means (35) is provided on one side of the slide table (32), and the slider driving motor (351) drives the screw (352) to control the movement of the slider (33).

6. A rocking eccentric according to claim 3, wherein the flange locking device (36) comprises a cylinder (361), a pneumatic band-type brake (362), a band-type brake positioning block (363) and a locking shaft (364); the cylinder (361) is connected with the pneumatic band-type brake (362) and can drive the pneumatic band-type brake (362), the pneumatic band-type brake (362) can be matched with the band-type brake positioning block (363) to lock the locking shaft (364), and the locking shaft (364) is fixed with the sliding block (33).

7. Rocking eccentric according to claim 6, characterized in that the axial transmission assembly (2) further comprises an electro-pneumatic integrated slip ring (23), the electro-pneumatic integrated slip ring (23) being adapted to supply the slider driving means (35) with electrical energy and to supply the flange locking means (36) with gas.

8. The rocking eccentric according to any one of claims 1 to 7, further comprising a sealing cap (5), the sealing cap (5) being arranged outside the rocking eccentric for sealing the rocking eccentric.

9. The utility model provides a spraying equipment, includes frame, power component (1) and spraying subassembly, power component (1) with spraying subassembly set up in the frame, spraying subassembly can spray the work piece of treating the spraying, its characterized in that, spraying equipment still includes the eccentric wheel that sways of any one of claims 1 to 8, sways the eccentric wheel set up in the frame, sways the eccentric wheel receive power component (1) drive, sways the eccentric wheel with spraying subassembly links to each other and drives spraying subassembly.