CN216605834U

CN216605834U - Coating machine

Info

Publication number: CN216605834U
Application number: CN202123368725.0U
Authority: CN
Inventors: 王晚晴
Original assignee: Changzhou Yinzhimianhang Intelligent Equipment Co ltd
Current assignee: Changzhou Yinzhimianhang Intelligent Equipment Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-27
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a coating machine which comprises a rack, wherein a case is connected to the rack, a liquid coating cylinder is fixed in the case, a workpiece basket is arranged in the liquid coating cylinder, a driving mechanism for driving the workpiece basket to rotate is fixed on the outer portion of the case, a liquid storage cylinder is arranged on the outer portion of the case, the liquid storage cylinder is communicated with the bottom of the liquid coating cylinder through a pipeline, a pipeline centrifugal pump is connected to the middle section of the pipeline, and a pipeline valve is further arranged on the pipeline. According to the coating machine, when the work piece dip-coating process and the spin-drying process are switched, the work piece does not need to be moved, the work piece coating process is saved, and the coating efficiency is improved.

Description

Coating machine

Technical Field

The utility model relates to the field of coating machines, in particular to a coating machine.

Background

The coating technology is that a coating machine is adopted, a workpiece with the surface needing to be coated is placed in a workpiece basket, the workpiece basket is placed in a dipping tank to carry out dipping coating on the workpiece, the coating machine rotates at a high speed to uniformly attach coating to the coated workpiece under the drive of a motor, redundant water or liquid is quickly and effectively dried, and finally the workpiece basket unloads the part. However, the dip coating and the spin drying of the existing coating machine are usually completed by two stations, and the workpiece after the dip coating is taken out through a workpiece basket and is moved to a spin drying station for spin drying. In such a way, the work piece coating process is complicated, and the work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The coating machine can realize dip coating and spin drying of a workpiece only by one station, saves the workpiece coating process, does not need to move the workpiece during coating, thereby saving manpower and improving the coating efficiency.

The above object of the present invention is achieved by the following technical solutions:

a coating machine comprises a rack, wherein a machine case is connected to the rack, a coating liquid cylinder is fixed in the machine case, a workpiece basket is arranged in the coating liquid cylinder, and a driving mechanism for driving the workpiece basket to rotate is fixed outside the machine case;

the machine case is externally provided with a liquid storage cylinder which is communicated with the bottom of the liquid coating cylinder through a pipeline, the middle section of the pipeline is connected with a pipeline centrifugal pump, and the pipeline is also provided with a pipeline valve.

By adopting the technical scheme, coating liquid in the external liquid storage cylinder enters the liquid coating cylinder through the pipeline centrifugal pump, a workpiece is placed in the workpiece basket and is immersed in the liquid coating cylinder for dip coating, after the dip coating is completed, the pipeline valve is opened to discharge the coating in the liquid coating cylinder to the liquid storage cylinder, then the workpiece basket is driven to rotate through the driving mechanism, redundant coating liquid on the workpiece is quickly and effectively dried, finally the workpiece is taken out through the workpiece basket to complete coating, and when the next batch of workpieces to be coated is operated, the operation can be repeated. The coating machine is simple in structure, the work piece is not required to be converted in the coating process, the operation is simple, and the working efficiency is high.

In order to realize that the driving mechanism drives the workpiece basket to rotate, the workpiece does not need to be dried by moving a station after being coated: the driving mechanism comprises a motor fixed on the outer wall of the case, a first shaft hole is arranged on a base of the case, a second shaft hole is arranged on a bottom plate of the liquid coating cylinder, the first shaft hole and the second shaft hole are positioned on the same axial line, a bearing seat is fixed at the first shaft hole, an isolating cylinder is fixed at the upper part of the bottom plate of the liquid coating cylinder along a second hole opening of the shaft hole, the top surface of the isolating cylinder is positioned in the middle of the liquid coating cylinder, a shaft sleeve penetrates through the isolating cylinder, the lower part of the shaft sleeve extends out of the bottom plate of the liquid coating cylinder, the lower end of the shaft sleeve is fixedly connected with the bearing seat, the upper part of the shaft sleeve extends out of the isolating cylinder, an upper bearing is arranged at the upper end of the shaft sleeve, a main shaft is positioned in the shaft sleeve and supported by the upper bearing and a lower bearing in the bearing seat, a positioning body is arranged at the part of the main shaft extending out of the shaft sleeve upwards, the workpiece basket is provided with a positioning cavity with an opening at the bottom surface matched with the positioning body of the main shaft, the workpiece basket is connected with the positioning body by the positioning cavity, the main shaft penetrates out of the bottom wall of the case downwards through the bearing seat, the main shaft is driven to rotate by a motor through belt transmission, and the workpiece basket is driven to rotate by the main shaft.

In order to realize the synchronous rotation of the workpiece basket and the main shaft: the top of the positioning body is fixed with a positioning rod, and the top wall of the positioning cavity is provided with a positioning hole matched with the positioning rod.

The concentricity of the workpiece basket and the main shaft is convenient to observe and realize: the middle part of the positioning body is provided with a center hole, the top wall of the positioning cavity is provided with a counterpoint hole which is counterpointed with the center hole, and the center hole and the counterpoint hole are locked through screws.

When the workpiece is provided with the groove or the hole, the coating liquid in the groove or the hole is convenient to throw out under the action of centrifugal force, so that the qualification rate of the workpiece of the type is improved: the machine case is characterized in that a turnover cylinder is arranged on one side of the bottom of the machine case, the other side of the bottom of the machine case is rotatably connected with the machine frame through a rotating shaft, the bottom of the turnover cylinder is fixed with the machine frame, and the machine case is driven by the turnover cylinder to turn over and incline along the rotating shaft.

For the convenience of horizontal positioning and stable supporting of the case: and one end of the bottom wall of the case, which is far away from the rotating shaft, is fixedly provided with a supporting leg, and the supporting leg is supported on the rack in a horizontally arranged state of the case.

To prevent splashing of the liquid in the liquid coating cylinder: the top of the case is provided with a case cover, and the case cover is driven by a case cover cylinder.

In order to realize synchronous coating of various workpieces and simplify classification of the coated workpieces: the workpiece basket is internally sleeved with a separation inner basket.

The internal basket workpiece is conveniently separated to be taken and placed: the inner separating basket is of a split structure and comprises a basket frame, an inner hole is formed in the middle of the basket frame, the inner hole is sleeved on the outer wall of the positioning cavity of the workpiece basket, and a plurality of separating baskets which are uniformly annularly arranged on the periphery of the inner hole are embedded in the basket frame.

In order to facilitate the opening and closing of the pipeline valve: the pipeline valve is set as a pneumatic valve.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. when a workpiece is dip-coated, the chassis, the internal liquid coating cylinder and the workpiece basket are kept horizontal, coating liquid in the external liquid storage cylinder enters the liquid coating cylinder through the pipeline centrifugal pump, and the workpiece in the workpiece basket is immersed in the coating liquid; after dip-coating, opening a pipeline valve to discharge the coating liquid to a liquid storage cylinder, driving a workpiece basket to rotate through a driving mechanism, quickly and effectively drying redundant coating liquid on the workpiece, and finally taking out the workpiece to finish coating operation. The coating machine is simple in structure, the work piece is not required to be converted in the coating process, the operation is simple, and the working efficiency is high.

2. When the workpiece is provided with the groove or the hole, after dip-coating, coating liquid in the coating liquid cylinder is discharged to the liquid storage cylinder, then the case is inclined through the overturning air cylinder, the motor is started again, and spin-drying operation is carried out, so that throwing-out of the coating liquid in the groove or the hole of the workpiece can be effectively improved, uniformity of a coating on the surface of the workpiece is improved, and coating quality of the workpiece is improved.

3. In order to facilitate synchronous coating of different types of small-volume workpieces, the partition of the workpieces can be effectively realized by arranging the partition inner baskets, the workpieces can be selectively arranged in the individual partition baskets according to the extractable weight of an operator, and some partition baskets are left empty.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional structure diagram for embodying the driving mechanism of the present invention.

FIG. 3 is a schematic diagram of an exploded structure for embodying the connection relationship of the workpiece basket and the coating cylinder.

FIG. 4 is a schematic view of the divided inner basket structure of the present invention

In the figure, 1, a frame; 2. a chassis; 21. a first shaft hole; 22. turning over the air cylinder; 23. a rotating shaft; 24. a brace; 25. a box cover; 26. a tank cover cylinder; 3. a liquid coating cylinder; 31. a second shaft hole; 32. an isolation cylinder; 331. An upper bearing; 4. a work basket; 41. a positioning cavity; 411. positioning holes; 412. aligning holes; 5. a liquid storage cylinder; 51. a pipeline; 52. a pipeline centrifugal pump; 6. a drive mechanism; 61. a motor; 62. a bearing seat; 621. a lower bearing; 63. a shaft sleeve; 631. an upper bearing; 64. a main shaft; 641. a positioning body; 6411. positioning a rod; 6412. a central bore; 7. separating the inner basket; 71. a basket frame; 711. an inner bore; 72. a divider basket.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Referring to fig. 1, the coating machine disclosed by the utility model comprises a frame 1, wherein a case 2 is connected to the frame 1, a liquid coating cylinder 3 is fixed in the case 2, a workpiece basket 4 is arranged in the liquid coating cylinder 3, and a driving mechanism 6 for driving the workpiece basket 4 to rotate is fixed outside the case 2. The top of the case 2 is provided with a case cover 25, and the case cover 25 is driven by a case cover cylinder 26. A liquid storage tank 5 is arranged outside the case 2, the liquid storage tank 5 is communicated with the bottom of the liquid coating tank 3 through a pipeline 51, the middle section of the pipeline 51 is connected with a pipeline centrifugal pump 52, and a pipeline valve is further arranged on the pipeline 51. The pipeline valve may be provided as a pneumatic valve.

Coating liquid in an external liquid storage tank 5 enters a liquid coating tank 3 through a pipeline centrifugal pump 52, a workpiece is placed in a workpiece basket 4 and is immersed in the liquid coating tank 3 for dip coating, after the dip coating is completed, a valve 51 of a pipeline is opened to discharge the coating in the liquid coating tank 3 to the liquid storage tank 5, then the workpiece basket 4 is driven to rotate through a driving mechanism 6, redundant coating liquid on the workpiece is quickly and effectively dried, finally the workpiece is taken out through the workpiece basket 4 to complete coating, and when the next batch of workpieces to be coated is operated, the operation is repeated.

Referring to fig. 2, in order to realize that the driving mechanism 6 drives the workpiece basket 4 to rotate: the driving mechanism 6 comprises a motor 61 fixed on the outer wall of the case 2, a first shaft hole 21 is arranged on the base of the case 2, a second shaft hole 31 is arranged on the bottom plate of the liquid coating cylinder 3, the first shaft hole 21 and the second shaft hole 31 are positioned on the same axial line, a bearing seat 62 is fixed at the first shaft hole 21, an isolating cylinder 32 is fixed at the upper part of the bottom plate of the liquid coating cylinder 3 along the second shaft hole 31, the top surface of the isolating cylinder 32 is positioned at the middle part of the liquid coating cylinder 3, a shaft sleeve 63 penetrates through the isolating cylinder 32, the lower part of the shaft sleeve 63 extends out of the bottom plate of the liquid coating cylinder 3, the lower end of the shaft sleeve 63 is fixedly connected with the bearing seat 62, the upper part of the shaft sleeve 63 extends out of the isolating cylinder 32, the upper end of the shaft sleeve is provided with an upper bearing 631331, a main shaft 64 is positioned in the shaft sleeve 63 and supported by the upper bearing 631331 and a lower bearing 621 in the bearing seat 62, a positioning body 641 is arranged at the part of the main shaft 64 extending out of the shaft sleeve 63, the workpiece basket 4 is provided with an opening on the bottom surface and a positioning cavity 41 matched with the positioning body 641, the workpiece basket 4 is connected to the positioning body 641 of the spindle 64 by using the positioning cavity 41, the spindle 64 passes through the bearing seat 62 and penetrates out of the bottom wall of the machine case 2, the spindle 64 is driven by the motor 61 through belt transmission to rotate, and the workpiece basket 4 is driven by the spindle 64 to rotate.

With reference to fig. 3, to achieve synchronous rotation of the workpiece basket 4 and the spindle 64: the top of the positioning body 641 is fixed with a positioning rod 6411, and the top wall of the positioning cavity 41 is provided with a positioning hole 411 matched with the positioning rod 6411. The positioning rod 6411 is used to limit the workpiece basket 4 to be coaxially fixed with the spindle 64, so that the spindle 64 drives the workpiece basket 4 to rotate. The work basket 4 and the spindle 64 do not rotate relative to each other, and the positioning rod 6411 is a square rod or a plurality of positioning rods 6411. Preferably, a central hole 6412 is formed in the middle of the positioning body 641, an alignment hole 412 aligned with the central hole 6412 is formed in the top wall of the positioning cavity 41, and the central hole 6412 and the alignment hole 412 can be locked together by a screw. The central hole 6412 and the alignment hole 412 may not be locked in the horizontal state of the machine case 2, and when the machine case 2 is tilted for spin-drying, the workpiece basket 4 and the spindle 64 may be selectively locked and fixed by screws in order to improve the relative fixation therebetween.

Referring to fig. 1 and 2, when the workpiece is provided with a groove or a hole, in order to facilitate the coating liquid in the groove or the hole to be thrown out under the action of centrifugal force, the qualification rate of the workpiece of the type is improved: a turnover cylinder 22 is arranged on one side of the bottom of the case 2, the other side of the bottom of the case is rotatably connected with the rack 1 through a rotating shaft 23, the bottom of the turnover cylinder 22 is fixed with the rack 1, and the case 2 is driven by the turnover cylinder 22 to turn over and incline along the rotating shaft 23. The machine case 2 is inclined through the overturning air cylinder 22, the motor 61 fixed outside the machine case 2 drives the main shaft 64 to rotate, and the coating liquid in the inclined workpiece basket 4 and the workpiece inside the inclined workpiece basket 4 and the workpiece groove or hole can be efficiently thrown out. The tilt angle of the cabinet 2 can be adjusted by controlling the extension length of the piston rod of the turnover cylinder 22. In other embodiments, the tilting cylinder 22 may be implemented by other components with telescopic adjustment function, such as a cylinder.

To facilitate horizontal positioning and stable support of the chassis 2: and a supporting leg 24 is fixed at one end of the bottom wall of the case 2 far away from the rotating shaft 23, and the supporting leg 24 is supported on the rack 1 in a flat state of the case 2.

Referring to fig. 4, to achieve simultaneous coating of multiple types of workpieces and simplify classification of the coated workpieces: the workpiece basket 4 is internally sleeved with a separation inner basket 7. The separating inner basket 7 is of a split structure and comprises a basket frame 71, an inner hole 711 is formed in the middle of the basket frame 71, the inner hole 711 is sleeved on the outer wall of the positioning cavity 41 of the workpiece basket 4, and a plurality of separating baskets 72 which are uniformly arranged on the periphery of the inner hole 711 in an annular mode are embedded in the basket frame 71. The separating basket 72 facilitates the synchronous coating of different types of small-volume workpieces, can effectively realize the partition of the workpieces, and can selectively place the workpieces in the individual separating basket 72 according to the extractable weight of an operator.

The implementation principle of the embodiment is as follows: when a workpiece is dip-coated, the case 2, the internal liquid coating cylinder 3 and the workpiece basket 4 are kept horizontal, coating liquid in the external liquid storage cylinder 5 enters the liquid coating cylinder 3 through the pipeline centrifugal pump 52, and the workpiece in the workpiece basket 4 is immersed in the coating liquid; after dip coating, a valve of a pipeline 51 is opened to discharge coating liquid to a liquid storage tank 5, a driving mechanism 6 drives a workpiece basket 4 to rotate, redundant coating liquid on the workpiece is quickly and effectively dried, and finally the workpiece is taken out to finish coating operation. The coating machine is simple in structure, does not need to change stations in the workpiece coating process, and is simple to operate and high in working efficiency.

When the workpiece is provided with the groove or the hole, after dip-coating, the coating liquid in the coating liquid cylinder 3 is discharged to the liquid storage cylinder 5, then the case 2 is inclined by turning over the air cylinder 22, and then the motor 61 is started to carry out spin-drying operation, so that the throwing-off of the coating liquid in the groove or the hole of the workpiece can be effectively improved, the uniformity of the coating on the surface of the workpiece is improved, and the coating quality of the workpiece is improved.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. A coating machine, characterized in that: the automatic feeding device comprises a rack, wherein a case is connected to the rack, a liquid coating cylinder is fixed in the case, a workpiece basket is arranged in the liquid coating cylinder, and a driving mechanism for driving the workpiece basket to rotate is fixed outside the case;

2. The coating machine as claimed in claim 1, characterized in that: the driving mechanism comprises a motor fixed on the outer wall of the case, a first shaft hole is arranged on a base of the case, a second shaft hole is arranged on a bottom plate of the liquid coating cylinder, the first shaft hole and the second shaft hole are positioned on the same axial line, a bearing seat is fixed at the first shaft hole, an isolating cylinder is fixed at the upper part of the bottom plate of the liquid coating cylinder along a second hole opening of the shaft hole, the top surface of the isolating cylinder is positioned in the middle of the liquid coating cylinder, a shaft sleeve penetrates through the isolating cylinder, the lower part of the shaft sleeve extends out of the bottom plate of the liquid coating cylinder, the lower end of the shaft sleeve is fixedly connected with the bearing seat, the upper part of the shaft sleeve extends out of the isolating cylinder, an upper bearing is arranged at the upper end of the shaft sleeve, a main shaft is positioned in the shaft sleeve and supported by the upper bearing and a lower bearing in the bearing seat, a positioning body is arranged at the part of the main shaft extending out of the shaft sleeve upwards, the workpiece basket is provided with a positioning cavity with an opening at the bottom surface matched with the positioning body of the main shaft, the workpiece basket is connected with the positioning body by the positioning cavity, the main shaft penetrates out of the bottom wall of the case downwards through the bearing seat, the main shaft is driven to rotate by a motor through belt transmission, and the workpiece basket is driven to rotate by the main shaft.

3. The coating machine as claimed in claim 2, characterized in that: the top of the positioning body is fixed with a positioning rod, and the top wall of the positioning cavity is provided with a positioning hole matched with the positioning rod.

4. The coating machine as claimed in claim 3, characterized in that: the middle part of the positioning body is provided with a center hole, the top wall of the positioning cavity is provided with a positioning hole which is aligned with the center hole, and the center hole and the positioning hole are locked through screws.

5. The coating machine as claimed in claim 1, characterized in that: the machine case is characterized in that a turnover cylinder is arranged on one side of the bottom of the machine case, the other side of the bottom of the machine case is rotatably connected with the machine frame through a rotating shaft, the bottom of the turnover cylinder is fixed with the machine frame, and the machine case is driven by the turnover cylinder to turn over and incline along the rotating shaft.

6. The coating machine as claimed in claim 5, characterized in that: and one end of the bottom wall of the case, which is far away from the rotating shaft, is fixedly provided with a supporting leg, and the supporting leg is supported on the rack in a horizontally arranged state of the case.

7. The coating machine as claimed in claim 1, characterized in that: the top of the case is provided with a case cover, and the case cover is driven by a case cover cylinder.

8. The coating machine as claimed in claim 2, characterized in that: the workpiece basket is internally sleeved with a separation inner basket.

9. The coating machine as recited in claim 8, wherein: the inner separating basket is of a split structure and comprises a basket frame, an inner hole is formed in the middle of the basket frame, the inner hole is sleeved on the outer wall of the positioning cavity of the workpiece basket, and a plurality of separating baskets which are uniformly annularly arranged on the periphery of the inner hole are embedded in the basket frame.

10. The coating machine as claimed in claim 1, characterized in that: the pipeline valve is set as a pneumatic valve.