A reciprocating electrostatic powder spray machine

Abstract

The utility model relates to electrostatic powder spraying technical field, specifically disclose a reciprocating electrostatic powder spraying machine, including frame, mobile arm and drive mechanism, be provided with several groups electrostatic powder spray gun on mobile arm, drive mechanism includes drive motor, swing arm and transmission link, and the output shaft of drive motor is fixedly connected with swing arm periphery, and transmission link one end is hinged and is connected with swing arm, and transmission link other end is hinged and is connected with mobile arm, and drive motor drives swing arm to make whole week rotation, thereby drive transmission link and mobile arm make reciprocating motion. The motor output shaft of this reciprocating electrostatic powder spraying machine keeps the same turning operation, need not positive and negative rotation alternate operation, and reciprocating cycle is short, can effectively improve the spraying production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of electrostatic powder coating technology, specifically to a reciprocating electrostatic powder coating machine. Background Technology

[0002] With the popularization of environmentally friendly electrostatic powder coating, the types of products that need to be coated are increasing. The reciprocating motion of existing coating machines mainly relies on chain drive mechanism or synchronous belt drive mechanism to achieve transmission. The drive motor needs to rotate in both directions to achieve the reciprocating effect. However, due to its slow forward and reverse conversion speed and long reciprocating cycle, the powder coverage efficiency on the product cannot meet the fast-paced coating needs, which has certain limitations. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide a reciprocating electrostatic powder coating machine in which the motor output shaft keeps running in the same direction, does not need to run in alternating forward and reverse directions, has a short reciprocating cycle, and effectively improves the efficiency of spraying production.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A reciprocating electrostatic powder coating machine includes a base, a movable arm movably mounted on the base, and a drive mechanism for driving the movable arm to reciprocate. The movable arm is equipped with a plurality of electrostatic powder spray guns.

[0006] The driving mechanism includes a drive motor, a rocker arm, and a transmission rod. The output shaft of the drive motor is circumferentially fixedly connected to the rocker arm. One end of the transmission rod is hinged to the rocker arm, and the other end of the transmission rod is hinged to the movable arm. The drive motor drives the rocker arm to rotate a full circle, thereby driving the transmission rod and the movable arm to reciprocate.

[0007] As a further improvement to the above technical solution:

[0008] The rocker arm has a central hole in the middle, and several sets of hinge holes extending along the length direction are opened on both sides of the rocker arm. The output shaft of the drive motor passes through the central hole and is fixedly connected to the rocker arm circumferentially. One end of the transmission rod passes through any set of the hinge holes and is hinged to the rocker arm by a pin, which facilitates the adjustment of the diameter of the transmission rod at one end to make a full rotation, thereby achieving the effect of adjusting the reciprocating stroke of the moving arm and flexibly adjusting the spraying coverage of the electrostatic powder spray gun to meet various production needs.

[0009] A hinge seat is fixedly installed on the movable arm, and one end of the transmission rod is hinged to the movable arm through a pin. The structure is simple and the installation and disassembly are convenient and quick.

[0010] The base is provided with several sets of positioning wheels. Each positioning wheel set includes a mounting plate fixedly mounted on the base, and a first positioning wheel and a second positioning wheel rotatably mounted on the mounting plate. The movable arm is movably inserted between the first positioning wheel and the second positioning wheel, which can constrain the movable arm in the left and right directions to prevent the movable arm from swaying during the up and down reciprocating movement, thus affecting the spraying effect.

[0011] Limiting shafts are fixedly provided on both sides of the movable arm. Limiting grooves are provided on the first positioning wheel and the second positioning wheel. The limiting shafts are fitted into the limiting grooves so that the movable arm can be movably inserted between the first positioning wheel and the second positioning wheel. This can constrain the movable arm in the front-back direction and prevent the movable arm from deviating and dislodging from the positioning wheel group during the up-and-down reciprocating movement.

[0012] The number of positioning wheel sets is set to two, including an upper positioning wheel set and a lower positioning wheel set. It should be noted that the number of positioning wheel sets can be increased adaptively according to actual production needs.

[0013] An elastic buffer mechanism is also provided between the base and the moving arm, which allows the moving arm to hover more stably in the stopping position when the moving arm loses its driving force.

[0014] The elastic buffer mechanism includes a first connecting seat fixedly mounted on the base, a second connecting seat fixedly mounted on the moving arm, and several sets of elastic connecting members connected between the first connecting seat and the second connecting seat. When the moving arm moves and reverses direction, there is a rigid impact and vibration. The elastic connecting members can reduce the reversing impact, reduce the overall operating noise, and reduce hard contact wear.

[0015] The drive motor is equipped with a speed reducer and a frequency converter for stepless speed regulation, and the output end of the drive motor is poweredly connected to the output shaft through the speed reducer.

[0016] It also includes a track base, with track wheels at the bottom of the base. The base is movably mounted on the track base via the track wheels. A track is provided inside the track base, and the track wheels cooperate with the track to adjust the processing position of the reciprocating electrostatic powder coating machine.

[0017] Compared with the prior art, the advantages of this utility model are:

[0018] This utility model discloses a reciprocating electrostatic powder coating machine, comprising a base, a movable arm, and a drive mechanism. The drive mechanism drives the movable arm to perform reciprocating linear motion on the base. Multiple sets of electrostatic powder spray guns are mounted on the movable arm for spraying operations. The drive mechanism includes a drive motor, a rocker arm, and a transmission rod. One end of the transmission rod is hinged to the rocker arm, and the other end is hinged to the movable arm. The drive motor drives the rocker arm to rotate a full circle, thereby converting the full circle rotation of one end of the transmission rod into linear reciprocating motion of the other end. The output shaft of the drive motor maintains the same direction of operation, eliminating the need for alternating forward and reverse rotation. This solves the problem of existing chain drive mechanisms or synchronous belt drive mechanisms requiring forward and reverse rotation of the motor to achieve the reciprocating cycle. The reciprocating movement of the movable arm is smooth and easy, with a short reciprocating cycle, which helps to extend its service life and improve the spraying production efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a reciprocating electrostatic powder coating machine.

[0020] Figure 2 This is a frontal view structural diagram of a reciprocating electrostatic powder coating machine.

[0021] Figure 3 This is a schematic diagram of the drive mechanism.

[0022] Figure 4 This is a schematic diagram of the positioning wheel assembly and the moving arm.

[0023] Figure 5 This is a schematic diagram of the rocker arm.

[0024] Figure 6 This is a schematic diagram of the positioning wheel assembly and the moving arm from the front view.

[0025] Figure 7 This is a partial structural diagram of the positioning wheel assembly and the moving arm.

[0026] Figure 8 This is a top-view structural diagram of the positioning wheel assembly and the moving arm.

[0027] Figure 9 This is a schematic diagram of the elastic buffer mechanism and the movable arm.

[0028] Figure 10 This is a side view structural diagram of a reciprocating electrostatic powder coating machine.

[0029] Figure 11 This is a schematic diagram of the assembly of the moving arm and the electrostatic powder spray gun.

[0030] Legend:

[0031] 1. Base; 2. Moving arm; 201. Hinge seat; 202. Limiting shaft; 3. Drive mechanism; 301. Drive motor; 302. Rocker arm; 3021. Center hole; 3022. Hinge hole; 303. Transmission rod; 304. Reducer; 4. Positioning wheel set; 401. Mounting plate; 402. First positioning wheel; 403. Second positioning wheel; 404. Limiting groove; 5. Elastic buffer mechanism; 501. First connecting seat; 502. Second connecting seat; 503. Elastic connector; 6. Track seat; 7. Track wheel; 100. Electrostatic powder spray gun. Detailed Implementation

[0032] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] like Figures 1 to 11 As shown, the reciprocating electrostatic powder coating machine of this embodiment includes a base 1, a movable arm 2 movably mounted on the base 1, and a drive mechanism 3 for driving the movable arm 2 to reciprocate. The movable arm 2 is equipped with several sets of electrostatic powder spray guns 100. The drive mechanism 3 includes a drive motor 301, a rocker arm 302, and a transmission rod 303. The output shaft of the drive motor 301 is circumferentially fixedly connected to the rocker arm 302. One end of the transmission rod 303 is hinged to the rocker arm 302, and the other end of the transmission rod 303 is hinged to the movable arm 2. The drive motor 301 drives the rocker arm 302 to rotate a full circle, thereby driving the transmission rod 303 and the movable arm 2 to reciprocate. This reciprocating electrostatic powder coating machine includes a base 1, a moving arm 2, and a drive mechanism 3. The drive mechanism 3 drives the moving arm 2 to perform reciprocating linear motion on the base 1. Multiple sets of electrostatic powder spray guns 100 are installed on the moving arm 2 for spraying operations. The drive mechanism 3 includes a drive motor 301, a rocker arm 302, and a transmission rod 303. One end of the transmission rod 303 is hinged to the rocker arm 302, and the other end is hinged to the moving arm 2. The drive motor 301 drives the rocker arm 302 to rotate a full circle, thereby converting the full circle rotation of one end of the transmission rod 303 into linear reciprocating motion of the other end of the transmission rod 303. The output shaft of the drive motor 301 maintains the same direction of operation, eliminating the need for alternating forward and reverse rotation. This solves the problem of existing chain drive mechanisms or synchronous belt drive mechanisms requiring forward and reverse rotation of the motor to achieve the reciprocating cycle. The reciprocating movement of the moving arm 2 is smooth and has a short reciprocating cycle, which helps to extend its service life and improve the spraying production efficiency.

[0034] Preferably, the rocker arm 302 has a central hole 3021 in the middle, and several sets of hinge holes 3022 extending along the length direction are provided on both sides of the rocker arm 302. The output shaft of the drive motor 301 passes through the central hole 3021 and is fixedly connected to the rocker arm 302 circumferentially. One end of the transmission rod 303 passes through any set of hinge holes 3022 through a pin and is hinged to the rocker arm 302. In this embodiment, the output shaft of the drive motor 301 passes through the central hole 3021 on the rocker arm 302, that is, the central hole 3021 is the rotation axis of the rocker arm 302. Multiple sets of hinge holes 3022 extending along the length direction are provided on both sides of the rocker arm 302. The transmission rod 303 can be hinged to any set of hinge holes 3022 according to actual production needs, thereby adjusting the diameter of one end of the transmission rod 303 to make a full revolution, thereby achieving the effect of adjusting the reciprocating stroke of the moving arm 2, flexibly adjusting the spraying coverage of the electrostatic powder spray gun 100, meeting various production needs, and having the advantages of high flexibility and wide applicability.

[0035] Preferably, a hinge seat 201 is fixedly installed on the movable arm 2, and one end of the transmission rod 303 is hinged to the movable arm 2 via a pin. The structure is simple and the installation and disassembly are convenient and quick.

[0036] Preferably, the base 1 is provided with several sets of positioning wheel groups 4. Each positioning wheel group 4 includes a mounting plate 401 fixedly mounted on the base 1, and a first positioning wheel 402 and a second positioning wheel 403 rotatably mounted on the mounting plate 401. The moving arm 2 is movably inserted between the first positioning wheel 402 and the second positioning wheel 403. In this embodiment, the base 1 is provided with multiple sets of positioning wheel groups 4 along the vertical direction. The moving arm 2 is movably inserted into these multiple sets of positioning wheel groups 4. Each positioning wheel group 4 includes a first positioning wheel 402 and a second positioning wheel 403. The moving arm 2 is inserted between the first positioning wheel 402 and the second positioning wheel 403, and rolls in contact with both the first positioning wheel 402 and the second positioning wheel 403. The multiple sets of positioning wheel groups 4 can constrain the moving arm 2 in the left-right direction, preventing the moving arm 2 from swaying during its up-and-down reciprocating movement, which would affect the spraying effect and effectively improve the operational reliability of the moving arm 2.

[0037] Preferably, limiting shafts 202 are fixedly provided on both sides of the movable arm 2, and limiting grooves 404 are provided on the first positioning wheel 402 and the second positioning wheel 403 respectively. The limiting shafts 202 are fitted into the limiting grooves 404, so that the movable arm 2 can be movably inserted between the first positioning wheel 402 and the second positioning wheel 403. In this embodiment, limiting grooves 404 are formed on both the first positioning wheel 402 and the second positioning wheel 403, and limiting shafts 202 are fixedly provided on both sides of the movable arm 2. The limiting shafts 202 are fitted into the limiting grooves 404 and roll in contact with the limiting grooves 404 to form an interlocking guide limit, which can constrain the movable arm 2 in the front-back direction and prevent the movable arm 2 from deviating and dislodging from the positioning wheel group 4 during the up-and-down reciprocating movement, thereby further improving the operational reliability of the movable arm 2.

[0038] Preferably, the positioning wheel set 4 has two sets, including an upper positioning wheel set and a lower positioning wheel set. In other embodiments, the number of positioning wheel sets 4 can be increased adaptively according to actual production needs, and can be increased to three or more sets, not limited to this embodiment.

[0039] Preferably, an elastic buffer mechanism 5 is also provided between the base 1 and the movable arm 2. In this embodiment, by providing an elastic buffer mechanism 5 between the base 1 and the movable arm 2, when the movable arm 2 loses its driving force, the movable arm 2 tends to fall due to its own weight. The elastic buffer mechanism 5 can offset part of the gravitational torque, making the movable arm 2 hover more stably in the stopping position and reducing the component load of the drive mechanism 3.

[0040] Preferably, the elastic buffer mechanism 5 includes a first connecting seat 501 fixedly mounted on the base 1, a second connecting seat 502 fixedly mounted on the moving arm 2, and several sets of elastic connecting members 503 connected between the first connecting seat 501 and the second connecting seat 502. In this embodiment, the elastic connecting member 503 is a spring. One end of the spring is fixedly connected to the base 1 through the first connecting seat 501, and the other end of the spring is fixedly connected to the moving arm 2 through the second connecting seat 502. When the moving arm 2 moves and reverses direction, there is a rigid impact and vibration. The spring can reduce the reversing impact, reduce the overall operating noise, reduce hard contact wear, and help extend the service life.

[0041] Preferably, the drive motor 301 is equipped with a reducer 304 and a frequency converter for stepless speed regulation. The output end of the drive motor 301 is poweredly connected to the output shaft through the reducer 304. In this embodiment, the drive motor 301 is equipped with a reducer 304 and a frequency converter (not shown in the figure). The reducer 304 is a common gear reduction mechanism installed at the output end of the motor. Its main function is to reduce the output speed and amplify the output torque through multi-stage gear meshing transmission. The frequency converter is a common electrical control device. Its main function is to change the synchronous speed of the motor by changing the power supply frequency, which can achieve stepless speed regulation according to production needs and meet the needs of multiple application scenarios. The specific models of the reducer 304 and the frequency converter are not further limited here, as long as they can meet the above functional requirements.

[0042] Preferably, it also includes a track base 6, with track wheels 7 provided at the bottom of the base 1, and the base 1 is movably mounted on the track base 6 via the track wheels 7. In this embodiment, the base 1 is mounted on the track base 6, the track base 6 contains a track, and the track wheels 7 are provided at the bottom of the base 1. The track wheels 7 cooperate with the track, allowing the base 1 to reciprocate along the track, thereby adjusting the processing position of the reciprocating electrostatic powder coating machine, which is convenient to use.

[0043] The above description is merely a preferred embodiment of this utility model, and the protection scope of this utility model is not limited to the above embodiments. For those skilled in the art, improvements and modifications obtained without departing from the technical concept of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A reciprocating electrostatic powder spray machine characterized by, The utility model relates to a mobile arm electrostatic powder spraying device, including base (1), mobile arm (2) of activity setting in base (1) on, and drive mechanism (3) for drive mobile arm (2) reciprocating movement, mobile arm (2) is provided with several groups electrostatic powder spraying gun (100) on, Drive mechanism (3) includes drive motor (301), rocker (302) and transmission rod (303), the output shaft of drive motor (301) is fixedly connected with the circumference of rocker (302), one end of transmission rod (303) is hingedly connected with rocker (302), the other end of transmission rod (303) is hingedly connected with mobile arm (2).

2. The reciprocating electrostatic powder spray machine of claim 1, wherein, The middle part of rocker (302) is provided with a center hole (3021), and a plurality of hinge holes (3022) extending along the length direction are formed on both sides of rocker (302), the output shaft of drive motor (301) passes through the center hole (3021) and is fixedly connected with the circumference of rocker (302), one end of transmission rod (303) passes through a pin shaft and is hingedly connected with rocker (302) through any one of the hinge holes (3022).

3. The reciprocating electrostatic powder spray machine of claim 2, wherein, A hinge seat (201) is fixedly arranged on mobile arm (2), and one end of transmission rod (303) is hingedly connected with mobile arm (2) through a pin shaft arranged in hinge seat (201).

4. The reciprocating electrostatic powder spray machine of claim 1, wherein, A plurality of positioning wheel sets (4) are arranged on base (1), each positioning wheel set (4) comprises a mounting plate (401) fixedly arranged on base (1), a first positioning wheel (402) and a second positioning wheel (403) rotatably arranged on mounting plate (401), and mobile arm (2) is movably arranged between first positioning wheel (402) and second positioning wheel (403).

5. The reciprocating electrostatic powder spray machine of claim 4, wherein, Limiting shafts (202) are fixedly arranged on both sides of mobile arm (2), limiting grooves (404) are arranged on first positioning wheel (402) and second positioning wheel (403), and limiting shafts (202) are embeddedly connected with limiting grooves (404) so that mobile arm (2) is movably arranged between first positioning wheel (402) and second positioning wheel (403).

6. The reciprocating electrostatic powder spray machine of claim 5, wherein, The number of positioning wheel sets (4) is two, including an upper positioning wheel set and a lower positioning wheel set.

7. The reciprocating electrostatic powder spray machine of claim 1, wherein, An elastic buffering mechanism (5) is arranged between base (1) and mobile arm (2).

8. The reciprocating electrostatic powder spray machine of claim 7, wherein, Elastic buffering mechanism (5) comprises a first connecting seat (501) fixedly arranged on base (1), a second connecting seat (502) fixedly arranged on mobile arm (2), and a plurality of elastic connecting members (503) connected between first connecting seat (501) and second connecting seat (502).

9. The reciprocating electrostatic powder spray machine of claim 1, wherein, A speed reducer (304) and a frequency converter for realizing stepless speed regulation are arranged on drive motor (301), and the output end of drive motor (301) is power-connected with the output shaft through speed reducer (304).

10. A reciprocating electrostatic powder spray machine according to any one of claims 1 to 9, characterized in that, Also included is a track base (6), the bottom of the machine base (1) is provided with a track wheel (7), the machine base (1) is movably arranged on the track base (6) through the track wheel (7).

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