阅读说明：本技术 一种胶带遮蔽机 (Adhesive tape shielding machine ) 是由 岳盼松 王香玉 路亚娟 沈晓 张红军 张润杰 孙菲菲 张跃庭 王战辉 宋振海 袁 于 2021-06-16 设计创作，主要内容包括：本发明涉及一种胶带遮蔽机,包括：输送线,用于由前向后地输送待遮蔽工件；回转盘,可回转地装配在输送线上,回转盘的中心回转轴线绕沿前后方向延伸,回转盘的回转中心处设有工件通道,工件通道沿前后方向延伸,用于供所述待遮蔽工件由前向后地经所述回转盘的回转中心穿过回转盘；回转驱动机构,用于驱动所述回转盘转动；胶带安装结构,设置在回转盘上,胶带安装结构用于安装胶带卷,以在待遮蔽工件由前向后移动且胶带卷跟随回转盘回转过程中,将胶带螺旋缠绕在所述待遮蔽工件的待遮蔽区域,实现自动缠绕胶带的操作,完成自动化遮蔽作业,避免了人工缠绕胶带带来的效率较低、遮蔽质量不稳定的问题。(The invention relates to a tape masking machine, comprising: the conveying line is used for conveying the workpiece to be shielded from front to back; the rotary disc is rotatably assembled on the conveying line, a central rotary axis of the rotary disc extends in the front-back direction in a winding mode, a workpiece channel is arranged at the rotary center of the rotary disc, the workpiece channel extends in the front-back direction, and the workpiece to be shielded passes through the rotary disc from front to back through the rotary center of the rotary disc; the rotary driving mechanism is used for driving the rotary disc to rotate; the adhesive tape mounting structure is arranged on the rotary disc and used for mounting an adhesive tape roll so as to spirally wind the adhesive tape on an area to be shielded of the workpiece to be shielded in the process that the workpiece to be shielded moves forwards and backwards and the adhesive tape roll rotates along with the rotary disc, so that the operation of automatically winding the adhesive tape is realized, the automatic shielding operation is completed, and the problems of low efficiency and unstable shielding quality caused by manually winding the adhesive tape are solved.)

1. An adhesive tape masking machine, comprising:

the conveying line extends along the front-back direction and is used for conveying the workpiece to be shielded from the front to the back;

the rotary disc (3) is rotatably assembled on the conveying line, a central rotary axis of the rotary disc (3) extends in the front-back direction in a winding mode, a workpiece channel is arranged at the rotary center of the rotary disc (3) and extends in the front-back direction, and the workpiece to be shielded passes through the rotary disc (3) from front to back through the rotary center of the rotary disc (3);

the rotary driving mechanism is used for driving the rotary disc (3) to rotate;

the adhesive tape mounting structure (32) is arranged on the rotary disc (3), and the adhesive tape mounting structure (32) is used for mounting an adhesive tape roll so as to spirally wind the adhesive tape on a region to be shielded of the workpiece to be shielded in the process that the workpiece to be shielded moves from front to back and the adhesive tape roll rotates along with the rotary disc (3).

2. A tape masking machine according to claim 1, wherein said conveyor line comprises a front conveyor platform (1) and a rear conveyor platform (4) arranged at a distance from each other, said platforms being used for supporting and conveying said workpieces to be masked, and said rotary disc (3) being arranged at the transition between said platforms.

3. A tape masking machine according to claim 2, wherein a front positioning pressing roller (50) is provided at a rear end of the front conveying platform (1), a rear positioning pressing roller (5) is provided at a front end of the rear conveying platform (4) for pressing down the workpiece to be masked, a center positioning structure is provided on each of the front positioning pressing roller (50) and the rear positioning pressing roller (5), the center positioning structures on the two positioning pressing rollers are aligned front to back, and the center positioning structures on the two positioning pressing rollers are provided with two side stoppers for stopping and positioning the workpiece to be masked in a left-right direction.

4. A tape masking machine according to claim 3, wherein the central positioning structures of the two positioning rolls are waist-shaped positioning structures (51), and the radial dimension of each waist-shaped positioning structure (51) is gradually reduced from the left end to the right end toward the middle, so that each waist-shaped positioning structure (51) has two side stopping cones forming the two side stopping parts.

5. A tape masking machine according to claim 4, wherein said two positioning presser rollers are elastically float-fitted in the up-down direction to the respective ends of the respective conveying decks.

6. A tape masking machine according to claim 2, characterized in that the upper side of the rotating disc (3) is fastened with an outer protective cover (2).

7. The tape masking machine as claimed in claim 6, wherein an infrared positioning device is provided at a top center position of the outer protective cover, and the infrared positioning device is used for irradiating and correcting a position of the workpiece to be masked.

8. A tape masking machine as claimed in any one of claims 1 to 7, characterized in that said rotary drive mechanism comprises a motor (6) and a driving wheel (10), wherein the motor (6) drives the driving wheel (10) to rotate, the driving wheel (10) drives the rotary disk (3) to rotate, the driving wheel (10) has a driving friction peripheral surface, the rotary disk (3) has a driven friction peripheral surface, and the driving friction peripheral surface and the driven friction peripheral surface are in friction fit to realize that the driving wheel (10) drives the rotary disk (3) to rotate.

9. A tape masking machine as claimed in claim 8, characterized in that the peripheral surface of said rotating disc (3) is provided with a wheel groove (31), the groove bottom surface of the wheel groove (31) forms said driven friction peripheral surface, said conveyor line is provided with an outside straightening wheel (7), the outside straightening wheel (7) is correspondingly arranged on the outside of said rotating disc (3) for rolling supporting cooperation with the wheel groove (31) to straighten said rotating disc (3).

10. A tape masking machine according to claim 8, characterized in that the motor (6) is switched on and off by a foot-operated control switch.

Technical Field

The invention relates to an adhesive tape masking machine.

Background

In high-voltage electrical products, in order to ensure good electrical conductivity of the products, core parts and components adopted by the high-voltage electrical products generally adopt a silver plating process of aluminum and aluminum alloy or copper and copper alloy, wherein most of the parts and components adopt a local electroplating process, a non-plated surface needs to be shielded before electroplating, at present, parts and components with more regular overall shapes, such as a conductive bar, generally adopt a tape shielding mode, namely, the conductive bar is annularly surrounded by a tape to form a shielding structure, and electroplating operation is realized outside the shielding structure.

The existing adhesive tape shielding process has the characteristics of large batch of parts and short processing period, so that the shielding work task of the electroplating pretreatment is heavy and time is urgent, the production efficiency of the manual shielding mode adopted at present is low, the shielding quality is mainly determined by the proficiency of operators when the adhesive tape is wound manually, the individual difference is obvious, and the shielding quality is uneven.

Disclosure of Invention

The invention aims to provide an adhesive tape shielding machine to solve the technical problems of low production efficiency and large difference in shielding quality caused by manual winding of an adhesive tape in the prior art.

In order to achieve the purpose, the technical scheme of the adhesive tape masking machine provided by the invention is as follows: an adhesive tape masking machine comprising:

the conveying line extends along the front-back direction and is used for conveying the workpiece to be shielded from the front to the back;

the rotary disc is rotatably assembled on the conveying line, a central rotary axis of the rotary disc extends in the front-back direction in a winding mode, a workpiece channel is arranged at the rotary center of the rotary disc, the workpiece channel extends in the front-back direction, and the workpiece to be shielded passes through the rotary disc from front to back through the rotary center of the rotary disc;

the rotary driving mechanism is used for driving the rotary disc to rotate;

the adhesive tape mounting structure is arranged on the rotary disc and used for mounting an adhesive tape roll so as to spirally wind the adhesive tape on an area to be shielded of the workpiece to be shielded in the process that the workpiece to be shielded moves from front to back and the adhesive tape roll rotates along with the rotary disc.

The beneficial effects are that: in the adhesive tape shielding machine provided by the invention, the workpiece to be shielded is conveyed from front to back by the conveying line, passes through the rotary disc from the rotary center of the rotary disc, and simultaneously, the rotary disc drives the adhesive tape roll to rotate, so that the adhesive tape winding shielding operation is completed in the moving process of the workpiece to be shielded, the operation of automatically winding the adhesive tape is realized, the automatic shielding operation is completed, and the problems of low efficiency and unstable shielding quality caused by manually winding the adhesive tape are solved.

As a further improvement, the conveying line comprises a front conveying platform and a rear conveying platform which are arranged at a front-rear interval, the two conveying platforms are used for supporting and conveying the workpiece to be shielded, and the rotary disc is correspondingly arranged at the interval transition position of the two conveying platforms.

The beneficial effects are that: the front and rear conveying platforms are matched with the rotary disc arranged at the interval transition position, so that automatic conveying of the workpiece to be shielded is conveniently realized, and excessive manual intervention is not needed.

As a further improvement, the rear end of the front conveying platform is provided with a front positioning compression roller, the front end of the rear conveying platform is provided with a rear positioning compression roller for pressing down the workpiece to be shielded, the front positioning compression roller and the rear positioning compression roller are respectively provided with a center positioning structure, the center positioning structures on the two positioning compression rollers are aligned front and back, and the center positioning structures on the two positioning compression rollers are respectively provided with two side stopping parts for stopping and positioning the workpiece to be shielded in the left and right directions.

The beneficial effects are that: the front and rear positioning compression rollers are matched with the conveying platform to position the workpiece to be shielded in the vertical direction, meanwhile, the stop parts on the two sides of the central positioning structure of the two positioning compression rollers are used for realizing the left and right positioning of the workpiece to be shielded, the up, down, left and right limiting of the workpiece to be shielded is effectively ensured, and the adhesive tape can not pull the workpiece to be shielded to move in the process of winding the adhesive tape.

As a further improvement, the central positioning structures of the two positioning press rolls are waist-shaped positioning structures, and the radial dimension of the waist-shaped positioning structures is gradually reduced from the left end to the right end to the middle, so that the waist-shaped positioning structures are provided with two side stop cones which form the two side stop parts.

The beneficial effects are that: the central positioning structure is a waist-shaped positioning structure, the waist-shaped positioning structure is provided with two side stop cones, so that the central positioning structure is convenient to adapt to workpieces to be shielded with different widths, and the universality of the adhesive tape shielding machine is improved.

As a further improvement, the two positioning compression rollers are elastically assembled at the corresponding ends of the corresponding conveying platforms in a floating mode along the up-down direction.

The beneficial effects are that: the positioning compression roller is elastically assembled in a floating mode in the vertical direction, so that the positioning compression roller can be conveniently adapted to workpieces to be shielded with different thicknesses, and the universality of the adhesive tape shielding can be further improved.

As a further improvement, an outer protective cover is buckled on the upper side of the rotary disc.

The beneficial effects are that: the outer protective cover plays a good role in protection, and the safety factor of the whole machine is improved.

As a further improvement, an infrared positioning instrument is arranged at the center of the top of the outer protective cover and used for irradiating and correcting the position of a workpiece to be shielded.

The beneficial effects are that: by using the infrared positioning instrument, the workpiece to be shielded can be conveniently irradiated, the displacement of the workpiece to be shielded can be checked, and the position of the workpiece to be shielded can be conveniently adjusted by a worker.

As a further improvement, the rotary driving mechanism comprises a motor and a driving wheel, the motor drives the driving wheel to rotate, the driving wheel drives the rotary disc to rotate, the driving wheel has a driving friction circumferential surface, the rotary disc has a driven friction circumferential surface, and the driving friction circumferential surface and the driven friction circumferential surface are in friction fit so as to realize the rotation of the driving wheel driving rotary disc.

The beneficial effects are that: the action wheel passes through the global cooperation drive gyration dish of friction and rotates, stops and changes the sticky tape book when artifical manual control gyration dish, perhaps needs the adjustment to arrange in order the sticky tape in the same direction as, can realize the friction and skid, can not directly destroy transmission structure.

As a further improvement, the peripheral surface of the rotary disk is provided with a wheel groove, the groove bottom surface of the wheel groove forms the driven friction peripheral surface, the conveying line is provided with an outer side righting wheel, and the outer side righting wheel is correspondingly arranged on the outer side of the rotary disk and is used for being matched with the wheel groove rolling support to righting the rotary disk.

The beneficial effects are that: the outer peripheral face of gyration dish sets up the race, conveniently realizes and right the wheel cooperation with action wheel, outside, can effectively improve gyration dish stability of rotating.

As a further improvement, the motor is controlled to start and stop by a foot-operated control switch.

The beneficial effects are that: when the adhesive tape is manually pulled, the motor can be conveniently controlled to be started and stopped by a single person.

Drawings

FIG. 1 is a schematic view of a tape masking machine according to the present invention;

FIG. 2 is a schematic view of the tape masking machine of FIG. 1 with the protective cover removed;

FIG. 3 is a schematic view of the motor and the turntable in FIG. 2;

FIG. 4 is a schematic view of the positioning assembly of the rotary disk, the driving wheel and the outer side righting wheel in FIG. 2;

FIG. 5 is a schematic structural view of the front conveying platform of FIG. 2;

fig. 6 is a schematic structural view of the front positioning nip roller in fig. 5.

Description of reference numerals:

1. a front conveying platform; 2. an outer shield; 20. an infrared locator; 3. a rotary disk; 31. a wheel groove; 32. an adhesive tape mounting structure; 4. a rear conveying platform; 5. a rear positioning press roll; 50. a front positioning compression roller; 51. a waist-shaped positioning structure; 6. a motor; 7. an outboard righting wheel; 8. a support frame body; 9. a drive shaft; 10. a driving wheel; 101. a conveyor belt; 102. and (4) a column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrase "comprising an … …" do not exclude the inclusion of such elements in processes or methods.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

The present invention will be described in further detail with reference to examples.

The specific embodiment 1 of the tape masking machine provided by the invention:

the tape masking machine provided by the embodiment conveys a workpiece to be masked, such as a conductive bar, from front to back through the conveying line, the workpiece to be masked penetrates through the rotary disc 3 corresponding to the center of the rotary disc 3, the tape roll is fixedly installed on the rotary disc 3, when the tape needs to be wound on the region of the workpiece to be masked, the tape is pulled out and wound on the workpiece, and in the process that the workpiece to be masked penetrates through the rotary disc 3 from front to back, the tape roll rotates, and the tape can be spirally wound on the workpiece to be masked.

The structure of the tape masking machine is shown in fig. 1 to 6, and specifically includes a conveying line for conveying a workpiece to be masked from front to back, a rotary disc 3 is disposed on the conveying line, and the rotary disc 3 is used for driving a tape roll to rotate so as to wind a tape on the workpiece to be masked.

Particularly, the whole fore-and-aft direction that extends of transfer chain, as shown in fig. 1 and fig. 2, the transfer chain specifically includes preceding conveying platform 1 and back conveying platform 4 of interval distribution around, and two conveying platforms are equipped with conveyer belt 101 including carrying the chassis on carrying the chassis for follow fore-and-aft direction and carry and wait to shield the work piece.

The front and the back of the two conveying platforms are distributed at intervals, the rotary disc 3 is arranged at the interval transition position of the two conveying platforms, as shown in figure 1, a front positioning compression roller 50 is arranged at the rear end of the front conveying platform 1, a rear positioning compression roller 5 is arranged at the front end of the rear conveying platform 4, the two positioning compression rollers are used for pressing down a workpiece to be shielded, and the workpiece to be shielded is guaranteed to normally move to penetrate through the rotary disc 3. Correspondingly, the two positioning pressing rollers axially extend along the left-right direction, and in order to prevent the adhesive tape from applying a lateral pulling force to the workpiece to be shielded in the rotation process to cause the workpiece to laterally move, as shown in fig. 5 and 6, the centers of the two positioning pressing rollers in the left-right direction are respectively provided with a center positioning structure, the center positioning structure is specifically a waist-shaped positioning structure 51, the radial dimension of the waist-shaped positioning structure 51 is gradually reduced from the left end to the right end in the left-right direction, so that the waist-shaped positioning structure 51 is provided with two side stopping cones, and the two side stopping cones form two side stopping parts of the center positioning structure, which are used for being matched with each other to stop and position the workpiece to be shielded in the left-right direction.

When the device is used, when the two positioning compression rollers are pressed down on a workpiece to be shielded, the left and right stopping limit of the workpiece to be shielded can be formed in the left and right directions by using the stopping cones at the two sides, and the effective positioning of the workpiece to be shielded is formed in the left and right directions by using the pressing down of the positioning compression rollers and the support of the conveying belt 101, so that the situation that the workpiece to be shielded is not deviated due to the tensile force applied to the workpiece to be shielded by the adhesive tape in the rotation process of the adhesive tape roll is ensured.

In order to improve the universality of the two positioning compression rollers, the two positioning compression rollers are elastically assembled at the corresponding ends of the corresponding conveying platforms in a floating manner along the vertical direction, and during specific installation, as shown in fig. 5, the corresponding ends of the corresponding conveying platforms are respectively provided with an upright post 102, the upright posts 102 are provided with a guiding long hole, and the two ends of the corresponding positioning compression rollers are provided with convex posts to be inserted into the corresponding guiding long holes in a guiding manner. And the corresponding conveying platform is respectively provided with a pressure spring corresponding to the corresponding positioning compression roller, the pressure springs apply upward elastic acting force to the positioning compression rollers, and the elastic floating of the positioning compression rollers is realized by matching the self gravity of the positioning compression rollers.

As shown in fig. 1 to 4, a rotary disk 3 is disposed at the interval transition of the two conveying platforms, the central rotation axis of the rotary disk 3 extends in the front-back direction, the rotary disk 3 is a rotary ring as a whole, the inner cavity of the rotary ring is used as a workpiece channel of the rotary disk 3, and the workpiece channel is correspondingly disposed at the rotation center of the rotary disk 3 for the workpiece to be shielded to pass through the rotary disk 3 from the front to the back through the rotation center of the rotary disk 3.

As shown in fig. 4, the rotary disk 3 is specifically positioned by a driving wheel 10 and three outer side centering wheels 7 located outside the rotary disk 3, the driving wheel 10 is located below the rotary disk 3, and the three outer side centering wheels 7 are circumferentially distributed at intervals outside the rotary disk and are in rolling contact with the rotary disk, so that the driving wheel 10 and the outer side centering wheels 7 are matched to position the rotary disk up, down, left and right. Of course, in other embodiments, a greater number of outer centering wheels may be provided, or only two outer centering wheels may be provided, and the effective positioning of the turntable may be achieved in cooperation with the gravity of the turntable.

In order to improve the safety, the outer protective cover 2 is buckled on the upper side of the rotary disc 3 at intervals, the top center position of the outer protective cover 2 is provided with the infrared positioning instrument 20, the infrared positioning instrument 20 is used for irradiating and correcting the position of a workpiece to be shielded, and the worker can adjust the position of the workpiece to be shielded conveniently and timely.

As shown in fig. 3, the rotary disk 3 is driven by a rotary driving mechanism, the rotary driving mechanism includes a supporting frame body 8, a motor 6 and a driving shaft 9 are installed on the supporting frame body 8, the motor 6 drives the driving shaft 9 to rotate through a chain transmission mechanism or a belt transmission mechanism, an output end of the driving shaft 9 is provided with a driving wheel 10, the driving wheel 10 is connected with the rotary disk 3 in a friction transmission manner, a rotation central axis of the driving wheel 10 extends in parallel with a rotation central axis of the rotary disk 3, a wheel groove 31 is formed in an outer peripheral surface of the rotary disk 3, a driven friction peripheral surface is formed on a groove bottom surface of the wheel groove 31, the driving wheel 10 has a driving friction peripheral surface, the driving friction peripheral surface and the driven friction peripheral surface are in friction fit, so that the driving wheel 10 drives the rotary disk 3 to rotate.

In addition, as shown in fig. 2, in order to improve the rotational stability of the rotary disk 3, two lateral outside centralizing wheels 7 are arranged on the conveying line, the two lateral outside centralizing wheels 7 are correspondingly arranged on the left and right sides of the rotary disk 3, and the two lateral outside centralizing wheels 7 are used as driven wheels and are used for being matched with the wheel grooves 31 in a rolling supporting mode.

In this embodiment, the motor 6 is started or stopped by the control of the foot-operated control switch, so that the operator can conveniently control the motor 6 when pulling the adhesive tape and cutting the adhesive tape with both hands.

The rotary disc 3 is provided with an adhesive tape mounting structure 32 for mounting an adhesive tape roll, the adhesive tape mounting structure 32 is specifically an L-shaped hook, and when the rotary disc is used, the adhesive tape roll can be rotatably sleeved on the L-shaped hook and is provided with blocking parts such as a blocking pin and the like to prevent the adhesive tape roll from falling off.

In this embodiment, an operation platform can be provided corresponding to the two operation platforms and the motor 6, a foot switch is provided corresponding to the operation platform, the foot switch is used to control the corresponding electrode to start and stop so as to control the rotary disk 3 to start and stop, and a switch can be provided for the two conveying platforms so as to control the two conveying platforms to work, so that the two conveying platforms can be controlled to synchronously act, and the two conveying platforms can also be respectively subjected to independent speed regulation.

When the shielding device is used, a workpiece to be shielded, such as a conductive bar, is placed on the front conveying platform 1, the conductive bar is driven by the conveying belt 101 to move backwards, when the workpiece moves to the rear end of the front conveying platform 1, the workpiece to be shielded penetrates between the front positioning pressing roller 50 and the corresponding conveying belt 101, the workpiece to be shielded continues to move backwards, the workpiece to be shielded can penetrate between the rear positioning pressing roller 5 and the corresponding conveying belt 101, the two positioning pressing rollers are matched with the corresponding conveying belt 101 to realize the up-down and left-right positioning of the workpiece to be shielded, at the moment, a belt head of an adhesive tape is manually pulled to be adhered to the workpiece to be shielded, in the process of backwards moving the workpiece to be shielded, the rotary disc 3 drives the adhesive tape to rotate, the adhesive tape can be spirally wound at the area to be shielded of the workpiece to be shielded, and the shielding operation before electroplating is completed.

When the tape masking machine provided by the embodiment is used, the rotating disc drives the tape roll to rotate in the moving process of the workpiece to be masked so as to realize the winding masking of the tape, and the moving speed of the workpiece to be masked and the rotating speed of the rotating disc can be adjusted according to the specific condition of the region to be masked of the workpiece to be masked and the width of the tape.

The specific embodiment 2 of the tape masking machine provided by the invention:

the difference from example 1 is mainly that: in the embodiment 1, the conveying line comprises a front conveying platform and a rear conveying platform which are arranged at intervals, and the rotary disc is positioned at the interval transition of the two conveying platforms. In this embodiment, a conveying platform may be disposed on only one side of the rotary disk, the conveying platform conveys the workpiece to be shielded backward through the rotary disk, and the other side pulls the workpiece to be shielded backward by a worker.

The specific embodiment 3 of the tape masking machine provided by the present invention:

the difference from example 1 is mainly that: in embodiment 1, the positioning press rollers are arranged at the corresponding ends of the two conveying platforms to realize vertical positioning, and the central positioning structure is used for forming horizontal positioning. In this embodiment, when the dead weight of the workpiece to be shielded is large, the positioning press roller can be omitted, and the workpiece can be ensured not to shift by only relying on the dead weight.

The specific embodiment 4 of the tape masking machine provided by the present invention:

the difference from example 1 is mainly that: in embodiment 1, the central positioning structures of the positioning compression rollers on the two conveying platforms are waist-shaped positioning structures, and the universality is better. In this embodiment, the central positioning structure of the two positioning pressing rollers may also be a necking structure, the necking structure forms a rotation groove, and two side stopping portions are formed by using two side groove walls of the rotation groove, so as to realize left and right stopping and positioning of the workpiece to be shielded.

The specific embodiment 5 of the tape masking machine provided by the present invention:

the difference from example 1 is mainly that: in embodiment 1, the driving wheel drives the rotating disk to rotate by friction. In this embodiment, the action wheel passes through gear drive and drives the gyration dish and rotate, and the outer peripheral face of action wheel sets up the external tooth structure, and the outer peripheral face of gyration dish also sets up the external tooth structure, guarantees that the transmission of action wheel and gyration dish is connected, and at this moment, the wheel is also corresponding to the gear structure to the both sides outside.

The adhesive tape shielding machine provided by the invention is simple to operate, is convenient and quick, can greatly improve the adhesive tape winding efficiency of parts, successfully solves the problems of low local shielding efficiency, large workload and unstable shielding quality of a workpiece to be shielded, realizes the great change from manual operation to automatic production of adhesive tape shielding, and is suitable for popularization and application.

Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.