CN211756137U - Driving mechanism of electric spraying machine - Google Patents
Driving mechanism of electric spraying machine Download PDFInfo
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- CN211756137U CN211756137U CN202020278320.4U CN202020278320U CN211756137U CN 211756137 U CN211756137 U CN 211756137U CN 202020278320 U CN202020278320 U CN 202020278320U CN 211756137 U CN211756137 U CN 211756137U
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- lead screw
- connecting plate
- screw nut
- plunger pump
- nut connecting
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Abstract
The utility model provides an electric spraying machine actuating mechanism, include: the device comprises a rack, a servo motor, a plunger pump, a lead screw and a lead screw nut connecting plate; the servo motor is connected with the lead screw and used for driving the lead screw to rotate forwards and reversely, the lead screw nut connecting plate is matched with the lead screw in a threaded mode and used for achieving reciprocating linear motion, and the plunger pump is connected with the lead screw nut connecting plate and used for achieving reciprocating linear motion under the driving of the lead screw nut connecting plate. The mechanism utilizes the high controllability of the rotating speed and the torque of the servo motor to convert the positive rotation and the negative rotation of the motor into linear reciprocating motion through the lead screw nut to drive the plunger pump, and has the advantages of simple structure, high reliability and low failure rate.
Description
Technical Field
The utility model relates to a related technical field of flush coater specifically is an electric flush coater actuating mechanism.
Background
The traditional reciprocating coating machine driving mechanism mainly comprises an electric driving mechanism, a hydraulic driving mechanism and a pneumatic driving mechanism. The electrodynamic type adopts direct current motor and crank connecting rod slider mechanism, and the shortcoming of this kind of mechanism is when the flush coater standby (spray gun stops the spraying), because of the flush coater still need keep pressure, in order to prevent that the motor from stifled commentaries on classics, must let the motor continue to rotate through the mode that makes the material overflow, and this kind of mode is complicated not only, and the material after the overflow flows back to the container in addition, and this in-process material sneaks into the air easily, and the temperature risees, causes the material degradation, influences the construction effect. The hydraulic mechanism and the pneumatic mechanism both adopt related parts such as an electromagnetic directional valve and the like, the structure is complex, parts are more, the requirement on the capability of maintenance personnel is high, the hydraulic equipment is provided with a hydraulic station, the weight of the equipment is larger, the pneumatic equipment needs to be provided with a large-displacement air pump (generally more than 0.9 cubic meter), the movement and the transportation are inconvenient, and the multi-component proportional control is difficult to implement.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model discloses combine prior art, from practical application, provide an electric spraying machine actuating mechanism, this mechanism utilizes servo motor's the high controllability of rotational speed torque, converts the positive and negative rotation of motor into straight reciprocating motion through screw nut and drives the plunger pump, simple structure, the reliability is high, and the fault rate is low.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an electric applicator drive mechanism comprising: the device comprises a rack, a servo motor, a plunger pump, a lead screw and a lead screw nut connecting plate;
the servo motor is connected with the lead screw and used for driving the lead screw to rotate forwards and reversely, the lead screw nut connecting plate is matched with the lead screw in a threaded mode and used for achieving reciprocating linear motion, and the plunger pump is connected with the lead screw nut connecting plate and used for achieving reciprocating linear motion under the driving of the lead screw nut connecting plate.
Further, the frame includes motor board, connecting plate and the extension board down that the interval set up in proper order, servo motor is fixed in on the motor board, the plunger pump sets up on the extension board down, be equipped with the guiding mechanism who is used for lead screw nut connecting plate direction on the connecting plate.
Furthermore, guiding mechanism includes a plurality of slide bar, the slide bar with connecting plate sliding fit, slide bar one end with lead screw nut connecting plate fixed connection.
Further, a linear bearing is arranged between the sliding rod and the connecting plate.
Furthermore, the lead screw is provided with a bearing for supporting the lead screw, the bearing is installed in a first flange, and the first flange is installed on the connecting plate.
Furthermore, the servo motor is connected with the screw rod through a first coupler.
Furthermore, a connecting sleeve is arranged on the lead screw nut connecting plate, a second flange is arranged at one end of the connecting sleeve, and one end of the second flange is connected with the plunger pump through a second coupling.
The utility model has the advantages that:
1. the utility model discloses utilize servo motor's high controllability of rotational speed torque, convert the positive and negative rotation of motor into linear reciprocating motion through screw nut and drive the plunger pump, simple structure, the reliability is high, and the fault rate is low.
2. The utility model discloses simple structure can pressurize the standby at any time, need not the material backward flow.
3. The utility model discloses can online component multicomponent flush coater, in multicomponent material spraying, through host computer and servo motor internal control, can realize multicomponent big proportion stepless ratio (can accomplish more than 1/10000 theoretically), multiple material is according to the predetermined order feed of predetermined ratio moreover.
4. The utility model discloses a reciprocating motion (for crank link slider mechanism) of great stroke can be realized to lead screw and nut, by a wide margin reduced the pressure fluctuation (for crank link slider mechanism).
5. The utility model discloses reduce the power consumption by a wide margin (for pneumatics), responded national energy saving and emission reduction call.
Drawings
FIG. 1 is a schematic view of the frame structure of the present invention;
fig. 2 is a schematic structural diagram of the driving mechanism of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
As shown in fig. 1 and 2, the present invention provides a driving mechanism for an electric spraying machine. The mechanism can be applied to polyurethane polyurea coating machines and linear reciprocating plunger pump type coating machines for other materials (paint or coating).
The mechanism mainly comprises: the device comprises a rack, a servo motor 1, a plunger pump 11, a lead screw 6 and a lead screw nut connecting plate 7. The rack mainly comprises a motor plate 102, a connecting plate 101 and a lower support plate 103 which are sequentially arranged from top to bottom at intervals, the motor plate 102 and the connecting plate 101 are connected through a first bolt group 104, and the connecting plate 101 and the lower support plate 103 are connected through a first bolt group 105. The servo motor 1 is connected with the motor plate 102 through the first bolt 30, the servo motor spindle 2 is connected with the first coupler 3, and the first coupler 3 is connected with the lead screw 6. The upper end of the screw rod 6 is connected with a bearing 5, the bearing 5 is connected with a first flange 20, the first flange 20 is connected with a nut 4, and the first flange 20 is connected with a connecting plate 101 through a second bolt 33. The screw 6 is connected with the screw nut connecting plate 7 to form screw transmission, the screw nut connecting plate 7 is connected with the plunger pump 11, and the plunger pump 11 is mounted on the lower support plate 103 through a third bolt 38. The utility model provides an in one embodiment, lead screw nut connecting plate 7 lower extreme is connected with adapter sleeve 8 through fourth bolt 36, and adapter sleeve 8 is connected through fifth bolt 37 with second flange 9, and second coupling 10 is connected to the lower extreme of second flange 9, and second coupling 10 is connected with plunger pump main shaft 12.
The utility model discloses in, the cooperation of lead screw 6, screw nut connecting plate 7 can become reciprocating type linear motion with servo motor 1's positive and negative rotation rotary motion and then transmit to plunger pump 11 to drive plunger pump 11 realizes reciprocating linear motion.
The utility model discloses in, for the stationarity of guaranteeing the actuating mechanism operation, be provided with corresponding guiding mechanism between connecting plate 101 and screw nut connecting plate 7. Specifically, the guide mechanism comprises a plurality of sliding rods 34, the linear bearings 32 are connected with the connecting plate 101 through sixth bolts 31 and are in sliding connection with the sliding rods 34, and one end of the lead screw nut connecting plate 7 is connected with the sliding rods 34 through seventh bolts 35. The guide of the sliding rod 34 ensures the stable reciprocating linear motion of the lead screw nut connecting plate 7.
The working principle of the utility model is as follows:
when the servo motor 1 is powered on, the motor spindle 2 can realize positive and negative rotation according to set parameters. Because the motor spindle 2 is connected with the lead screw 6 through the first coupler 3, the lead screw 6 can synchronously rotate forwards and backwards along with the motor spindle 2;
because the screw 6 and the screw nut connecting plate 7 are in screw transmission, and the nut connecting plate 7 is provided with the sliding rod 34, the sliding rod 34 and the linear bearing 32 fixed on the connecting plate 101 form sliding fit. Therefore, under the driving of the forward and reverse rotation of the screw rod 6, the screw rod nut connecting plate 7 reciprocates up and down due to screw transmission, on one hand, the sliding rod 34 is driven to slide in the linear bearing 32, and on the other hand, the connecting sleeve 8 is driven to reciprocate up and down;
the up-and-down reciprocating movement of the connecting sleeve 8 can drive the up-and-down reciprocating movement of the plunger pump main shaft 12, so that the plunger pump 11 works.
Claims (7)
1. An electric applicator drive mechanism, comprising: the device comprises a rack, a servo motor, a plunger pump, a lead screw and a lead screw nut connecting plate;
the servo motor is connected with the lead screw and used for driving the lead screw to rotate forwards and reversely, the lead screw nut connecting plate is matched with the lead screw in a threaded mode and used for achieving reciprocating linear motion, and the plunger pump is connected with the lead screw nut connecting plate and used for achieving reciprocating linear motion under the driving of the lead screw nut connecting plate.
2. The drive mechanism of claim 1, wherein the frame includes a motor plate, a connecting plate and a lower support plate, the motor plate, the connecting plate and the lower support plate being spaced apart from each other, the servo motor being fixed to the motor plate, the plunger pump being disposed on the lower support plate, and the connecting plate being provided with a guide mechanism for guiding the lead screw nut connecting plate.
3. The actuator assembly of claim 2 wherein said guide mechanism includes a plurality of slide rods slidably engaged with said connecting plate, one end of said slide rods being fixedly connected to said lead screw nut connecting plate.
4. An electric sprayer actuator as in claim 3 wherein linear bearings are provided between the slide rod and the connecting plate.
5. An electric sprayer actuator as in claim 2 wherein the lead screw has a bearing for supporting the lead screw, the bearing being mounted in a first flange mounted to the web.
6. The electric applicator drive mechanism of claim 1, wherein the servo motor is coupled to the lead screw by a first coupling.
7. The electric sprayer driving mechanism according to claim 1, wherein the screw nut connecting plate is provided with a connecting sleeve, one end of the connecting sleeve is provided with a second flange, and one end of the second flange is connected with the plunger pump through a second connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020278320.4U CN211756137U (en) | 2020-03-09 | 2020-03-09 | Driving mechanism of electric spraying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020278320.4U CN211756137U (en) | 2020-03-09 | 2020-03-09 | Driving mechanism of electric spraying machine |
Publications (1)
| Publication Number | Publication Date |
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| CN211756137U true CN211756137U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020278320.4U Active CN211756137U (en) | 2020-03-09 | 2020-03-09 | Driving mechanism of electric spraying machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705682A (en) * | 2020-12-21 | 2021-04-27 | 杭齿传动(安徽)有限公司 | Motor-driven die casting device and control method thereof |
-
2020
- 2020-03-09 CN CN202020278320.4U patent/CN211756137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705682A (en) * | 2020-12-21 | 2021-04-27 | 杭齿传动(安徽)有限公司 | Motor-driven die casting device and control method thereof |
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