阅读说明：本技术 一种管状工件包膜机 (Tubular workpiece coating machine ) 是由 张文显 李婉婉 龚宏亮 于 2019-11-08 设计创作，主要内容包括：本发明属于包膜设备技术领域,具体的说是一种管状工件包膜机；包括支撑台；空腔支撑柱安装在支撑台的上端面,且空腔支撑柱内部安装有电动气缸；电动气缸的伸缩端安装有支撑横梁；支撑横梁的一端通过连接台安装有卡合罩；卡合罩内壁竖直方向安装有橡胶刷条；转动柱的顶端安装有转动盘,且转动盘上设置有插接柱；安装台对称安装在空腔支撑柱的内侧壁上,且安装台上活动插接有转动杆,且转动杆上转动套接有覆膜辊,且覆膜辊上设置有包裹膜；防止管状工件上包裹的覆膜较多,而出现工件上包裹膜较厚,包裹膜出现气泡的现象,进而影响包裹膜对管状工件的自动高效包裹保护作业,同时可适用于不同内径的管状工件和内表面凹凸不平的管状工件。(The invention belongs to the technical field of coating equipment, and particularly relates to a coating machine for tubular workpieces; comprises a supporting table; the cavity supporting column is arranged on the upper end surface of the supporting table, and an electric cylinder is arranged in the cavity supporting column; the telescopic end of the electric cylinder is provided with a supporting beam; one end of the supporting beam is provided with a clamping cover through a connecting table; a rubber brush strip is arranged on the inner wall of the clamping cover in the vertical direction; the top end of the rotating column is provided with a rotating disc, and the rotating disc is provided with an inserting column; the mounting table is symmetrically mounted on the inner side wall of the cavity supporting column, a rotating rod is movably inserted into the mounting table, a film coating roller is rotatably sleeved on the rotating rod, and a wrapping film is arranged on the film coating roller; prevent that the tectorial membrane of parcel is more on the tubular workpiece, and it is thicker to appear wrapping up the membrane on the work piece, and the phenomenon of bubble appears in the wrapping up membrane, and then influences the automatic high-efficient parcel protection operation of wrapping up the membrane to the tubular workpiece, can be applicable to the tubular workpiece of different internal diameters and the tubular workpiece of internal surface unevenness simultaneously.)

1. A film coating machine for tubular workpieces comprises a supporting table (1); the method is characterized in that: a wrapping and supporting device (2) is arranged on one side of the upper end face of the supporting table (1), and a workpiece wrapping device (3) is arranged on the other side of the upper end face of the supporting table (1); the wrapping supporting device (2) comprises a cavity supporting column (21), an electric cylinder (22), a supporting cross beam (23), a connecting table (24), a clamping cover (25) and a rubber brush strip (26); the cavity supporting column (21) is arranged on the upper end face of the supporting table (1), and an electric cylinder (22) is arranged in the cavity supporting column (21); a supporting beam (23) is arranged at the telescopic end of the electric cylinder (22); one end of the supporting beam (23) is provided with a clamping cover (25) through a connecting table (24); a guide groove (251) is formed in one side of the clamping cover (25), and a rubber brush strip (26) is installed on the inner wall of the clamping cover (25) in the vertical direction;

the workpiece wrapping device (3) comprises a driving motor (31), a rotating column (32), a rotating disc (33), an inserting column (34), an installation platform (35) and a rotating rod (36); the driving motor (31) is arranged in the support table (1), and the conveying end of the driving motor (31) penetrates through the support table (1) and is connected with a rotating column (32); a rotating disc (33) is mounted at the top end of the rotating column (32), and a plug-in column (34) is arranged on the rotating disc (33); the mounting table (35) is symmetrically mounted on the inner side wall of the cavity supporting column (21), a rotating rod (36) is movably inserted into the mounting table (35), a film coating roller (37) is rotatably sleeved on the rotating rod (36), and a wrapping film (4) is arranged on the film coating roller (37); the clamping cover (25) is arranged in a non-contact manner with the rotating disc (33);

the outer surface of the plug column (34) is connected with a slip ring (341) in a sliding manner; first magnets (342) which are uniformly arranged are fixedly connected in the slip ring (341); an extrusion cavity (343) is formed in the insertion column (34); the extrusion cavity (343) is internally and slidably connected with an extrusion plate (344); a spring is fixedly connected between the lower surface of the extrusion plate (344) and the bottom of the extrusion cavity (343); a second magnet (345) is fixedly connected in the extrusion plate (344); the second magnet (345) is arranged opposite to the opposite magnetic pole of the first magnet (342); a circular groove (346) is formed in the surface of the plug column (34) above the sliding ring (341); an expansion belt (347) is fixedly connected in the circular groove (346); said expansion band (347) being made of a superelastic material; the circular groove (346) is communicated with the space in the extrusion cavity (343) below the extrusion plate (344) through an air groove; the upper surface of the splicing column (34) is provided with an air hole.

2. The tubular workpiece film coating machine of claim 1, wherein: the surface of one side of the slip ring (341) far away from the plug column is provided with evenly distributed sliding grooves (348); a pull rod (349) is connected in the sliding groove (348) in a sliding manner; the pull rod is in a telescopic design; the surface of one side of the pull rod (349) far away from the plug column (34) is fixedly connected with a pull belt (340).

3. The tubular workpiece film coating machine of claim 1, wherein: an air supply box (5) is arranged on the bottom end face of the supporting cross beam (23); an expansion cavity (252) is formed in the clamping cover (25), and the expansion cavity (252) is communicated with the air supply box (5) through an air duct (6); the end part of the rubber brush strip (26) contacting with the tubular workpiece is made of arc sponge material, and the joint of the rubber brush strip (26) and the clamping cover (25) is made of hard metal material; a gas collection cavity (261) is formed in the rubber brush bar (26), and the gas collection cavity (261) is communicated with the expansion cavity (252); spiral elastic pieces (262) are filled in the gas collection cavity (261), and the spiral elastic pieces (262) are in extrusion contact with the cavity wall of the gas collection cavity (261).

4. The tubular workpiece film coating machine of claim 1, wherein: an annular groove (331) is formed in the rotating disc (33), and a rotating shaft (7) is arranged in the annular groove (331); the rotating shaft (7) is rotatably provided with a guide rod (8), and the guide rod (8) is positioned inside the notch of the guide groove (251); the wrapping film (4) is positioned on the outer side wall of the guide rod (8).

5. The tubular workpiece film coating machine of claim 4, wherein: an extrusion cavity (81) is formed in the guide rod (8), and the outer wall of the guide rod (8) is made of metal; the outer wall of the guide rod (8) is a smooth surface.

6. The tubular workpiece film coating machine of claim 5, wherein: a sliding cavity (253) is arranged in the clamping cover (25), and an air guide valve is connected between the sliding cavity (253) and the expansion cavity (252); an arc-shaped cutter (9) is arranged in the sliding cavity (253) in a sliding mode, and an electric heating wire is arranged on the arc-shaped cutter (9); the arc-shaped cutter (9) is positioned on one side of the wrapping film (4).

7. The tubular workpiece film coating machine of claim 1, wherein: a cavity expansion column (10) is rotatably arranged in the top end of the clamping cover (25), and the cavity expansion column (10) is communicated with the expansion cavity (252) through an air guide groove; and a rubber inserting strip (20) is arranged in the vertical direction of the outer wall of the cavity expansion column (10).

Technical Field

The invention belongs to the technical field of coating equipment, and particularly relates to a coating machine for tubular workpieces.

Background

The metal pipe is one of building materials widely used in modern life; after being produced and shaped, the metal pipe needs to be packaged for storage or transportation, and generally, a plurality of thin pipes form a bundled pipe to be packaged in a film pipe sleeve or a thick pipe is independently packaged in the film pipe sleeve.

And current metal tubulose work piece is when the parcel tectorial membrane, wrap up the membrane winding on the outer wall of tubular product mostly through the manual work, and then wrap up the operation to tubular product, because some more special tubular product of material are when the diolame is transported, because the bubble or the clearance of the production between parcel membrane and the parcel membrane during tubular product diolame, when leading to tubular product to meet steam or rainwater, easily take place to rust and make the parcel membrane produce the phenomenon of damaged rotten, and then influence the safe parcel effect of parcel membrane to tubular product, simultaneously among the prior art to the tubulose work piece diolame machine of tubulose work piece diolame most unable be applicable to the tubulose work piece of different internal diameters, need change the diolame machine usually when carrying out the diolame to the tubulose work piece of different internal diameters, the operation is too complicated, and when the intraductal work piece inner wall is.

Disclosure of Invention

In order to make up for the defects of the prior art, the tubular workpiece film wrapping machine provided by the invention is mainly used for solving the problems that when some special tubular products are transported after being wrapped, bubbles or gaps are generated between the wrapping film and the wrapping film during the tube wrapping process, so that the tubular products are easy to rust when encountering water vapor or rainwater, the wrapping film is damaged and rotted, the safe wrapping effect of the wrapping film on the tubular products is further influenced, the film wrapping machine is usually required to be replaced when the tubular workpieces with different inner diameters are wrapped, the operation is too complicated, and the film wrapping difficulty is further improved when the inner walls of the tubular workpieces are uneven.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a tubular workpiece film coating machine which comprises a supporting table; a wrapping support device is arranged on one side of the upper end face of the supporting table, and a workpiece wrapping device is arranged on the other side of the upper end face of the supporting table; the wrapping supporting device comprises a cavity supporting column, an electric cylinder, a supporting beam, a connecting table, a clamping cover and a rubber brush strip; the cavity supporting column is arranged on the upper end surface of the supporting table, and an electric cylinder is arranged in the cavity supporting column; the telescopic end of the electric cylinder is provided with a supporting beam; one end of the supporting beam is provided with a clamping cover through a connecting table; a guide groove is formed in one side of the clamping cover, and a rubber brush strip is arranged on the inner wall of the clamping cover in the vertical direction;

the workpiece wrapping device comprises a driving motor, a rotating column, a rotating disc, a plugging column, an installation platform and a rotating rod; the driving motor is arranged in the support table, and the conveying end of the driving motor penetrates through the support table to be connected with a rotating column; the top end of the rotating column is provided with a rotating disc, and the rotating disc is provided with an inserting column; the mounting table is symmetrically mounted on the inner side wall of the cavity supporting column, a rotating rod is movably inserted into the mounting table, a film coating roller is rotatably sleeved on the rotating rod, and a wrapping film is arranged on the film coating roller; the clamping cover is arranged in a non-contact manner with the rotating disc;

the outer surface of the insertion column is connected with a slip ring in a sliding manner; first magnets which are uniformly arranged are fixedly connected in the slip ring; an extrusion cavity is formed in the insertion column; the extrusion cavity is internally and slidably connected with an extrusion plate; a spring is fixedly connected between the lower surface of the extrusion plate and the bottom of the extrusion cavity; a second magnet is fixedly connected in the extrusion plate; the second magnet and the first magnet are arranged oppositely in opposite magnetic poles; a circular groove is formed in the surface of the splicing column above the sliding ring; an expansion belt is fixedly connected in the circular groove; the expansion band is made of super-elastic material; the circular groove is communicated with the space in the extrusion cavity below the extrusion plate through an air groove; the upper surface of the splicing column is provided with an air hole;

when the device works, when a tubular workpiece needs to be wrapped and coated, an operator controls the electric cylinder to extend out through the controller, the electric cylinder can drive the supporting cross beam and the clamping cover to rise upwards, the clamping cover is far away from the upper end face of the rotating disc, the tubular workpiece to be wrapped is inserted into the inserting column of the rotating disc, the tubular workpiece is placed on the inserting column and tightly attached to the upper surface of the sliding ring, the sliding ring is pressed downwards to move downwards, the extrusion plate is driven to move downwards through the first magnet and the second magnet, gas in the space below the extrusion plate enters the circular groove through the gas groove, and therefore the expansion belt expands outwards the circular groove, and the expansion belt is tightly attached to the inner wall of the tubular workpiece; the tubular workpiece is effectively fixed, the phenomenon that the coating is uneven is caused due to the fact that the workpiece shakes when the coating is carried out, meanwhile, the tubular workpiece is fixed through the expansion belt and can be suitable for tubular workpieces with different diameters, the tubular workpiece is suitable for tubular workpieces with uneven inner walls, the application range of the coating machine is improved, the multipurpose machine is achieved, manpower and material resources are saved, the rubber brush strips are coated with antirust lubricating oil, an operator controls the electric air cylinder to contract through the controller, the clamping cover is clamped outside the tubular workpiece, meanwhile, the rubber brush strips are in contact with the outer wall of the tubular workpiece, the controller controls the driving motor to rotate slowly, and antirust oil is uniformly coated on the outer wall of the tubular workpiece; when the antirust lubricating oil is completely coated, the driving motor stops rotating, the electric cylinder drives the clamping cover to move upwards to enable the clamping cover to be separated from the clamping of the tubular workpiece, an operator manually wraps the end part of the wrapping film on the film coating roller on the tubular workpiece, after the end part of the wrapping film is wrapped on the outer wall of the tubular workpiece, the electric cylinder contracts to drive the clamping cover to be covered outside the workpiece, the bottom end of the clamping cover is positioned above the rotating disc, the wrapping film penetrates through the guide groove, the driving motor rotates anticlockwise to drive the tubular workpiece to rotate anticlockwise in the clamping cover through the rotating disc, when the tubular workpiece is coated in a rotating mode, the rubber brush strips arranged in the clamping cover can extrude and flatten the wrapping film wrapped on the tubular workpiece, the phenomenon that more wrapping films are wrapped on the tubular workpiece and the wrapping films on the workpiece are thick and the wrapping films are foamed is caused is avoided, thereby influencing the automatic and efficient wrapping protection operation of the wrapping film on the tubular workpiece; after the workpiece is wrapped, the electric cylinder drives the clamping cover to be separated from the sleeve joint of the workpiece, an operator can manually cut the wrapping film from the workpiece and take the wrapping film off, and the next workpiece is replaced to perform wrapping operation; after the tubular workpiece is placed on the splicing column and clings to the upper surface of the slip ring, the slip ring is pressed downwards to enable the slip ring to move downwards, so that the extrusion plate is driven to move downwards by the first magnet and the second magnet, gas in a space below the extrusion plate enters the circular groove through the gas groove, the expansion band is expanded towards the outside of the circular groove, and the expansion band is clings to the inner wall of the tubular workpiece; thereby carry out effectual fixed to tubular workpiece, take place the shake when preventing the work piece diolame, cause the inhomogeneous phenomenon of diolame, fix applicable tubular workpiece in different diameters through the inflation area to tubular workpiece simultaneously, be applicable to the tubular workpiece of inner wall unevenness simultaneously, improve the application scope of coating machine, reach a tractor serves several purposes, the material resources of using manpower sparingly more.

The surface of one side of the slip ring, which is far away from the insertion column, is provided with evenly distributed sliding chutes; a pull rod is connected in the sliding groove in a sliding manner; the pull rod is in a telescopic design; the surface of one side of the pull rod, which is far away from the splicing column, is fixedly connected with a pull belt; during operation, when the inside bore of tubulose work piece is greater than the sliding ring external diameter, manual pulling stretching strap makes the pull rod stretch out outside the spout to make tubulose work piece contact pull rod upper surface, thereby be applicable to the great tubulose work piece of internal diameter, further improve the application scope of coating machine, the practicality is stronger.

The bottom end surface of the supporting beam is provided with an air supply box; an expansion cavity is formed in the clamping cover and is communicated with the gas supply box through a gas guide pipe; the end part of the rubber brush strip, which is contacted with the tubular workpiece, is made of arc-shaped sponge material, and the joint of the rubber brush strip and the clamping cover is made of hard metal air guide material; a gas collecting cavity is formed in the rubber brush bar and is communicated with the expansion cavity; the gas collection cavity is filled with a spiral elastic sheet, and the spiral elastic sheet is in extrusion contact with the cavity wall of the gas collection cavity; when the tubular workpiece anti-rust brush is used, the wrapping film is wrapped on the outer wall of the tubular workpiece continuously along with the rotation of the rotating disc, the controller controls gas in the gas supply box to enter the expansion cavity through the gas guide pipe, the gas in the expansion cavity continuously enters, the inner side wall of the expansion cavity expands, the inner wall of the clamping cover expands to drive the rubber brush strip to extrude onto the wrapping film on the outer wall of the tubular workpiece, and the outer wall end part of the rubber brush strip is made of an arc-shaped sponge material; when the rubber brush strips spread the wrapping film, the rubber brush strips made of the arc-shaped sponge material are matched with the spiral elastic pieces, the extrusion force of the wrapping film on the tubular workpiece can enable the end parts of the rubber brush strips to generate concave deformation towards the gas collection cavity, the reaction force of the spiral elastic pieces enables the rubber brush strips to rotate to wrap the outer wall of the wrapping film, and therefore the rubber brush strips have the effect of wrapping and flattening the wrapping film; simultaneously the rust-resistant lubricating oil in the cavernosum can evenly be scribbled and smeared on every layer of wrapping film under gaseous blowing, and then all can contact rust-resistant lubricating oil between the adjacent wrapping film, and the extrusion force of rubber brush strip not only the time wrapping film of parcel on the work piece outer wall is compacter, makes simultaneously scribble on the wrapping film and scribbles rust-resistant lubricating oil, can increase the cohesiveness of wrapping film.

An annular groove is formed in the rotating disc, and a rotating shaft is arranged in the annular groove; the rotating shaft is rotatably provided with a guide rod, and the guide rod is positioned in the notch of the guide groove; the wrapping film is positioned on the outer side wall of the guide rod; when the device works, when the rotating disc drives a tubular workpiece to coat, firstly, a coating film penetrates through one side wall of the guide rod, when the tubular workpiece rotates anticlockwise, the side wall of the coating film can be attached to the outer wall of the guide rod, so that the guide rod can play a guiding role on the coating film, when the coating film is prevented from rotating and coating on the workpiece, the coating film is subjected to a friction phenomenon on the side wall of the guide groove due to the axial rotation of the workpiece, meanwhile, the rotating friction force of the coating film can enable the clamping cover to twist to a certain degree, the rotating friction force of the coating film and the clamping cover not only causes the phenomenon that the coating film breaks when coating the workpiece, but also causes the phenomenon that the clamping cover breaks or bends due to the twisting of the clamping cover, and further the efficient and stable coating operation of the tubular workpiece is influenced; meanwhile, the rubber brush strips can be twisted by twisting the clamping cover, so that the extrusion and flattening effects of the rubber brush strips on the wrapping film are influenced.

An extrusion cavity is formed in the guide rod, and the outer wall of the guide rod is made of metal; the outer wall of the guide rod is a smooth surface; the guide rod made of metal with a smooth surface can reduce the friction between the guide rod and the outer wall of the wrapping film, and prevent the phenomenon that the guide rod and the wrapping film are broken due to overlarge rotating friction force; meanwhile, the extrusion cavity can play a tensioning effect on the wrapping film when the wrapping film is rotated to wrap the workpiece, so that the phenomenon that the wrapping film is too large in rotating force of the outer wall of the workpiece to cause pulling and breaking due to the fact that the workpiece is too fast in rotating speed is prevented.

A sliding cavity is arranged inside the clamping cover, and an air guide valve is connected between the sliding cavity and the expansion cavity; an arc-shaped cutter is arranged in the sliding cavity in a sliding manner, and an electric heating wire is arranged on the arc-shaped cutter; the arc-shaped cutter is positioned on one side of the wrapping film; when the device works, after wrapping films on workpieces are wrapped, the controller controls the gas guide valve to be opened, the expansion cavity is communicated with the sliding cavity, gas in the expansion cavity can enter the sliding cavity, the gas in the sliding cavity can enable the inner arc-shaped cutter to extend out of the sliding cavity along with continuous entering of the gas in the sliding cavity, the end part of the arc-shaped cutter can be heated by heat generated by the electric heating wire along with continuous stretching of the arc-shaped cutter, when the end part of the arc-shaped cutter is contacted with the wrapping films, the heated wrapping films can be broken by the thrust of the gas and the heat of the electric heating wire, one end of the wrapping films after being heated and broken is attached to the outer wall of the guide rod under the extrusion force of the arc-shaped cutter, the wrapping films on the workpieces are attached to the outer wall of the wrapping films under the extrusion force of the rubber brush strips, and then the wrapping films on the workpieces, the end part of the cut wrapping film is attached to the guide rod, so that the wrapping film can wrap the next workpiece conveniently.

A cavity expansion column is rotatably arranged in the top end of the clamping cover and is communicated with the expansion cavity through an air guide groove; a rubber insertion strip is arranged in the vertical direction of the outer wall of the cavity expansion column; the during operation, when block cover block is in the outside of tubulose work piece, the cavity expansion post of setting can insert inside the tubulose work piece, gas in the controller control air feed case enters into cavity expansion post, make cavity expansion post take place the inflation, the inflation of cavity expansion post can drive rubber grafting strip and extrude on the inner wall of tubulose work piece simultaneously, make cavity expansion post can play the spacing effect of rotation to the tubulose work piece, prevent that the tubulose work piece is when rotating the diolame, wobbling phenomenon takes place in the top of tubulose work piece, and then influence the safe efficient diolame effect of tubulose work piece.

The invention has the following beneficial effects:

1. according to the invention, after the tubular workpiece is placed on the insertion column and clings to the upper surface of the sliding ring, the sliding ring is pressed downwards to move downwards, so that the expansion band expands towards the outside of the circular groove, and the expansion band clings to the inner wall of the tubular workpiece; thereby carry out effectual fixed to tubular workpiece, take place the shake when preventing the work piece diolame, cause the inhomogeneous phenomenon of diolame, fix applicable tubular workpiece in different diameters through the inflation area to tubular workpiece simultaneously, be applicable to the tubular workpiece of inner wall unevenness simultaneously, improve the application scope of coating machine, reach a tractor serves several purposes, the material resources of using manpower sparingly more.

2. According to the rubber brush strip arranged in the clamping cover, the function of smearing anti-rust lubricating oil on the outer wall of a workpiece can be achieved, meanwhile, a wrapping film wrapped on the tubular workpiece is extruded and flattened, the phenomenon that more coating films are wrapped on the tubular workpiece, the wrapping film on the workpiece is thick, and bubbles appear on the wrapping film is avoided, so that the automatic and efficient wrapping protection operation of the wrapping film on the tubular workpiece is influenced; meanwhile, when the tubular workpiece rotates, the rubber brush strip can scrape sundries or metal particles adhered to the outer wall of the workpiece, and the phenomenon that the wrapping film is damaged when the wrapping film is wrapped on the workpiece is prevented.

3. According to the guide rod, the guide rod can play a guiding role on the wrapping film, so that the phenomenon that the wrapping film rubs on the side wall of the guide groove due to axial rotation of the workpiece when the wrapping film is rotationally wrapped on the workpiece is prevented, meanwhile, the rotational friction force of the wrapping film can enable the clamping cover to twist to a certain extent, the rotational friction force of the wrapping film and the clamping cover not only causes the phenomenon that the wrapping film breaks when wrapping the workpiece, but also causes the phenomenon that the clamping cover breaks or bends due to twisting of the clamping cover, and further high-efficiency and stable wrapping operation of the tubular workpiece is influenced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a state diagram of the operation of the present invention;

FIG. 3 is a cut-away perspective view of the present invention;

FIG. 4 is a cross-sectional view of the snap cap of the present invention;

FIG. 5 is a top view of the snap cap of the present invention;

FIG. 6 is a perspective view of the bayonet post of the present invention;

FIG. 7 is a cross-sectional view of a docking post of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

in the figure: the device comprises a supporting table 1, a wrapping supporting device 2, a cavity supporting column 21, an electric cylinder 22, a supporting beam 23, a connecting table 24, a clamping cover 25, a guide groove 251, an expansion cavity 252, a sliding cavity 253, a rubber brush strip 26, a gas collection cavity 261, a spiral elastic sheet 262, a workpiece wrapping device 3, a driving motor 31, a rotating column 32, a rotating disc 33, an annular groove 331, an insertion column 34, a pull strip 340, a sliding ring 341, a first magnet 342, a squeezing cavity 343, a squeezing plate 344, a second magnet 345, a circular groove 346, an expansion strip 347, a sliding groove 348, a pull rod 349, an installation table 35, a rotating rod 36, a film coating roller 37, a wrapping film 4, an air supply box 5, an air guide pipe 6, a rotating shaft 7, a guide rod 8, a squeezing cavity 81, an arc-shaped cutter 9, a cavity expansion column 10 and a.

Detailed Description

A film coating machine for a tubular workpiece according to an embodiment of the present invention will be described below with reference to fig. 1 to 8.

The invention relates to a tubular workpiece coating machine, which comprises a supporting table 1; a wrapping support device 2 is arranged on one side of the upper end face of the support table 1, and a workpiece wrapping device 3 is arranged on the other side of the upper end face of the support table 1; the wrapping and supporting device 2 comprises a cavity supporting column 21, an electric cylinder 22, a supporting beam 23, a connecting table 24, a clamping cover 25 and a rubber brush strip 26; the cavity supporting column 21 is arranged on the upper end face of the supporting table 1, and an electric cylinder 22 is arranged in the cavity supporting column 21; a supporting beam 23 is arranged at the telescopic end of the electric cylinder 22; one end of the supporting beam 23 is provided with a clamping cover 25 through a connecting table 24; a guide groove 251 is formed in one side of the clamping cover 25, and a rubber brush strip 26 is arranged on the inner wall of the clamping cover 25 in the vertical direction;

the workpiece wrapping device 3 comprises a driving motor 31, a rotating column 32, a rotating disc 33, an inserting column 34, an installation platform 35 and a rotating rod 36; the driving motor 31 is arranged in the support table 1, and the conveying end of the driving motor 31 penetrates through the support table 1 and is connected with a rotating column 32; a rotating disc 33 is installed at the top end of the rotating column 32, and a plug column 34 is arranged on the rotating disc 33; the installation table 35 is symmetrically installed on the inner side wall of the cavity support column 21, a rotating rod 36 is movably inserted into the installation table 35, a film coating roller 37 is rotatably sleeved on the rotating rod 36, and a coating film 4 is arranged on the film coating roller 37; the engagement cover 25 is provided in non-contact with the rotating disk 33;

the outer surface of the plug column 34 is connected with a slip ring 341 in a sliding way; first magnets 342 are uniformly arranged and fixedly connected in the slip ring 341; an extrusion cavity 343 is formed in the insertion column 34; a squeezing plate 344 is slidably connected in the squeezing cavity 343; a spring is fixedly connected between the lower surface of the extrusion plate 344 and the bottom of the extrusion cavity 343; a second magnet 345 is fixedly connected in the extrusion plate 344; the second magnet 345 is arranged opposite to the first magnet 342 in opposite polarity; a circular groove 346 is formed in the surface of the plug column 34 above the sliding ring 341; an expansion belt 347 is fixedly connected in the circular groove 346; the expansion band 347 is made of a super elastic material; the circular groove 346 is in space communication with the space in the extrusion chamber 343 below the extrusion plate 344 through an air groove; the upper surface of the splicing column 34 is provided with an air hole;

when the device works, when a tubular workpiece needs to be wrapped and coated, an operator controls the electric cylinder 22 to extend out through the controller, the electric cylinder 22 can drive the supporting beam 23 and the clamping cover 25 to rise upwards, the clamping cover 25 is far away from the upper end face of the rotating disc 33, the tubular workpiece to be wrapped is inserted into the inserting column 34 of the rotating disc 33, the tubular workpiece is placed on the inserting column 34 and tightly attached to the upper surface of the sliding ring 341, the sliding ring 341 is pressed downwards, the sliding ring 341 moves downwards, the first magnet 342 and the second magnet 345 drive the lower plate 344 to move downwards, air in the space below the extrusion plate 344 enters the circular groove 346 through the air groove, the expansion belt 347 expands towards the outside of the circular groove 346, and the expansion belt 347 is tightly attached to the inner wall of the tubular workpiece; thereby, the tubular workpiece is effectively fixed, the phenomenon that the coating is uneven due to the fact that the workpiece shakes during coating is prevented, meanwhile, the tubular workpiece is fixed through the expansion belt 347 and can be suitable for tubular workpieces with different diameters, meanwhile, the tubular workpiece with the uneven inner wall is suitable for the tubular workpiece, the application range of the coating machine is improved, the multipurpose effect is achieved, manpower and material resources are saved, the rubber brush strips 26 are coated with antirust lubricating oil, an operator controls the electric cylinder 22 to shrink through the controller, the clamping cover 25 is clamped outside the tubular workpiece, meanwhile, the rubber brush strips 26 are in contact with the outer wall of the tubular workpiece, the controller controls the driving motor 31 to rotate slowly, and antirust oil is uniformly coated on the outer wall of the tubular workpiece; after the antirust lubricating oil is completely coated, the driving motor 31 stops rotating, the electric cylinder 22 drives the clamping cover 25 to move upwards, so that the clamping cover 25 is separated from the clamping of the tubular workpiece, an operator manually wraps the end part of the wrapping film 4 on the film coating roller 37 on the tubular workpiece, after the end part of the wrapping film 4 is wrapped on the outer wall of the tubular workpiece, the electric cylinder 22 contracts to drive the clamping cover 25 to cover the outer part of the workpiece, the bottom end of the clamping cover 25 is positioned above the rotating disc 33, the wrapping film 4 simultaneously passes through the guide groove 251, the driving motor rotates anticlockwise to drive the tubular workpiece to rotate anticlockwise in the clamping cover 25 through the rotating disc 33, when the tubular workpiece rotates to wrap the film, the rubber brush strips 26 arranged in the clamping cover 25 can extrude and flatten the wrapping film 4 wrapped on the tubular workpiece, the wrapping film on the tubular workpiece is prevented from being more, and the wrapping film 4 on the workpiece is thicker, moreover, the wrapping film 4 has the phenomenon of bubbles, so that the automatic and efficient wrapping protection operation of the wrapping film 4 on the tubular workpiece is influenced; after the workpiece is wrapped, the electric cylinder 22 drives the clamping cover 25 to be separated from the sleeve joint of the workpiece, an operator can manually cut the wrapping film 4 from the workpiece and take the wrapping film 4 off, and the next workpiece is replaced to carry out wrapping operation; after the tubular workpiece is placed on the plug column 34 and clings to the upper surface of the sliding ring 341, the sliding ring 341 is pressed downwards to move the sliding ring 341 downwards, so that the first magnet 342 and the second magnet 345 drive the extrusion plate to move downwards 344, gas in the space below the extrusion plate 344 enters the circular groove 346 through the gas groove, the expansion band 347 expands towards the outside of the circular groove 346, and the expansion band 347 clings to the inner wall of the tubular workpiece; thereby carry out effectual fixed to tubular workpiece, take place the shake when preventing the work piece diolame, cause the inhomogeneous phenomenon of diolame, fix applicable tubular workpiece in different diameters simultaneously through expansion area 347 to tubular workpiece, be applicable to the tubular workpiece of inner wall unevenness simultaneously, improve the application scope of coating machine, reach a tractor serves several purposes, the material resources of using manpower sparingly more.

The surface of one side of the slip ring 341 away from the plug column is provided with evenly distributed sliding grooves 348; a pull rod 349 is slidably connected in the sliding groove 348; the pull rod is in a telescopic design; the surface of one side of the pull rod 349, which is far away from the plug column 34, is fixedly connected with a pull belt 340; during operation, when the inside bore of tubulose work piece is greater than sliding ring 341 external diameter, manual pulling stretching strap 340 makes pull rod 349 stretch out outside spout 348 to make tubulose work piece contact pull rod 349 upper surface, thereby be applicable to the great tubulose work piece of internal diameter, further improve the application scope of coating machine, the practicality is stronger.

The bottom end surface of the supporting beam 23 is provided with an air supply box 5; an expansion cavity 252 is formed in the clamping cover 25, and the expansion cavity 252 is communicated with the air supply box 5 through an air duct 6; the end part of the rubber brush strip 26, which is contacted with the tubular workpiece, is made of arc-shaped sponge material, and the joint of the rubber brush strip 26 and the clamping cover 25 is made of hard metal air guide material; a gas collecting cavity 261 is formed in the rubber brush bar 26, and the gas collecting cavity 261 is communicated with the expansion cavity 252; the gas collecting cavity 261 is filled with a spiral elastic sheet 262, and the spiral elastic sheet 262 is in extrusion contact with the cavity wall of the gas collecting cavity 261; when the device works, the wrapping film 4 is continuously wrapped on the outer wall of the tubular workpiece along with the rotation of the rotating disc 33, the controller controls the gas in the gas supply box 5 to enter the expansion cavity 252 through the gas guide pipe 6, the inner side wall of the expansion cavity 252 expands along with the continuous entering of the gas in the expansion cavity 252, the expansion of the inner wall of the clamping cover 25 drives the rubber brush strip 26 to extrude onto the wrapping film 4 on the outer wall of the tubular workpiece, and because the end part of the outer wall of the rubber brush strip 26 is made of arc-shaped sponge material, when the outer wall of the rubber brush strip 26 extrudes onto the outer wall of the tubular workpiece, the phenomenon that the outer wall of the tubular workpiece generates brush marks when the existing brush brushes brush rust-proof lubricating oil on the tubular workpiece is prevented; when the rubber brush strips 26 flatten the wrapping film 4, the rubber brush strips 26 made of arc-shaped sponge material are matched with the spiral elastic pieces 262, the extrusion force of the wrapping film 4 on the tubular workpiece can make the end parts of the rubber brush strips 26 generate concave deformation towards the gas collection cavity 262, the reaction force of the spiral elastic pieces 262 can make the rubber brush strips 26 rotate to wrap the outer wall of the wrapping film 4, and further the rubber brush strips 2 have the effect of wrapping and flattening the wrapping film 4; simultaneously the rust-resistant lubricating oil in the cavernosum can evenly be scribbled and smeared on every layer of wrapping film 4 under gaseous blowing, and then all can contact rust-resistant lubricating oil between the adjacent wrapping film 4, and the wrapping film 4 of parcel on the work piece outer wall is compacter when the extrusion force of rubber brush strip 26 not only, makes to scribble on the wrapping film 4 simultaneously and has smeared rust-resistant lubricating oil, can increase the cohesiveness of wrapping film 4.

An annular groove 331 is formed in the rotating disc 33, and a rotating shaft 7 is arranged in the annular groove 331; the rotating shaft 7 is rotatably provided with a guide rod 8, and the guide rod 8 is positioned inside the notch of the guide groove 251; the wrapping film 4 is positioned on the outer side wall of the guide rod 8; when the device works, when the rotating disc 33 drives a tubular workpiece to coat, the coating film 4 firstly penetrates through one side wall of the guide rod 8, so that when the tubular workpiece rotates anticlockwise, the side wall of the coating film 4 can be attached to the outer wall of the guide rod 8, the guide rod 8 can play a role in guiding the coating film 4, and when the coating film 4 is prevented from rotating and coated on the workpiece, the coating film 4 is subjected to a friction phenomenon on the side wall of the guide groove 251 due to the axial rotation of the workpiece, meanwhile, the rotation friction force of the coating film 4 can enable the clamping cover 25 to generate certain twisting, the rotation friction force of the coating film 4 and the clamping cover 25 not only causes the phenomenon that the coating film 4 breaks when coating the workpiece, but also causes the phenomenon that the clamping cover 25 breaks or bends due to the twisting of the clamping cover 25, and further influences the efficient and stable coating operation of the tubular workpiece; meanwhile, the twisting of the clamping cover 25 can twist the rubber brush strip 26, thereby influencing the squeezing and flattening effect of the rubber brush strip 26 on the wrapping film 4.

An extrusion cavity 81 is formed in the guide rod 8, and the outer wall of the guide rod 8 is made of metal; the outer wall of the guide rod 8 is a smooth surface; the guide rod 8 made of metal with a smooth surface can reduce the friction between the guide rod 8 and the outer wall of the wrapping film 4, and prevent the phenomenon that the guide rod 8 and the wrapping film 4 are broken due to overlarge rotating friction force; meanwhile, the extrusion cavity 81 can play a tensioning effect on the wrapping film 4 when the wrapping film rotates to wrap the workpiece, so that the phenomenon that the wrapping film 4 is too large in rotating force of the outer wall of the workpiece to cause pulling and breaking is prevented due to the fact that the rotating speed of the workpiece is too high.

A sliding cavity 253 is arranged in the clamping cover 25, and an air guide valve is connected between the sliding cavity 253 and the expansion cavity 252; an arc-shaped cutter 9 is arranged in the sliding cavity 253 in a sliding mode, and an electric heating wire is arranged on the arc-shaped cutter 9; the arc-shaped cutter 9 is positioned on one side of the wrapping film 4; when the device works, after the wrapping film 4 on the workpiece is wrapped, the controller controls the air guide valve to be opened, so that the expansion cavity 252 is communicated with the sliding cavity 253, the gas in the expansion cavity 252 can enter the sliding cavity 253, along with the continuous entering of the gas in the sliding cavity 253, the gas in the sliding cavity 253 can enable the inner arc-shaped cutter 9 to extend out of the sliding cavity 253, along with the continuous stretching of the arc-shaped cutter 9, the end part of the arc-shaped cutter 9 can be heated by the heat generated by the electric heating wire, when the end part of the arc-shaped cutter 9 is contacted with the wrapping film 4, the heated wrapping film 4 can be fractured by the thrust of the gas and the heat of the electric heating wire, one end of the wrapping film 4 after being fractured by heating is attached to the outer wall of the guide rod 8 under the extrusion force of the arc-shaped cutter 9, the wrapping film 4 on the workpiece is attached to the outer wall of the wrapping film 4 under the extrusion force of the rubber brush strip 26, and then the wrapping film 4 on the workpiece, the end part of the cut wrapping film 4 is attached to the guide rod 8, so that the wrapping film 4 can wrap the next workpiece conveniently.

The top end of the clamping cover 25 is rotatably provided with a cavity expansion column 10, and the cavity expansion column 10 is communicated with the expansion cavity 252 through an air guide groove; a rubber insertion strip 20 is arranged in the vertical direction of the outer wall of the cavity expansion column 10; during operation, when block cover 25 block when the outside of tubulose work piece, the cavity expansion post 10 that sets up can insert inside the tubulose work piece, gas in the controller control air feed case 5 enters into cavity expansion post 10, make cavity expansion post 10 take place the inflation, the inflation of cavity expansion post 10 can drive rubber grafting strip 20 and extrude on the inner wall of tubulose work piece simultaneously, make cavity expansion post 10 can play the effect that rotates spacingly to the tubulose work piece, prevent that the tubulose work piece is when rotating the diolame, the wobbling phenomenon takes place in the top of tubulose work piece, and then influence the safe efficient diolame effect of tubulose work piece.

The specific working process is as follows:

when the device works, when a tubular workpiece needs to be wrapped and coated, an operator controls the electric cylinder 22 to extend through the controller, the electric cylinder 22 drives the supporting beam 23 and the clamping cover 25 to rise upwards, so that the clamping cover 25 is far away from the upper end surface of the rotating disc 33, the tubular workpiece to be wrapped is inserted into the inserting column 34 of the rotating disc 33, the tubular workpiece is placed on the inserting column 34 and is tightly attached to the upper surface of the sliding ring 341, the sliding ring 341 is pressed downwards, the sliding ring 341 moves downwards, the first magnet 342 and the second magnet 345 drive the pressing plate to move downwards 344, air in a space below the pressing plate 344 enters the circular groove 346 through the air groove, the expansion belt 347 expands towards the outside of the circular groove 346, so that the expansion belt 347 is tightly attached to the inner wall of the tubular workpiece, when the inner caliber of the tubular workpiece is larger than the outer diameter of the sliding ring 341, the pull belt 340 is manually pulled, the pull rod 349 extends out of the sliding groove 348, so that the tubular workpiece, the rubber brush strips 26 are coated with antirust lubricating oil, an operator controls the electric cylinder 22 to contract through the controller, the clamping cover 25 is clamped outside the tubular workpiece, meanwhile, the rubber brush strips 26 are in contact with the outer wall of the tubular workpiece, and the controller controls the driving motor 31 to rotate slowly, so that the outer wall of the tubular workpiece is uniformly coated with the antirust oil; after the antirust lubricating oil is completely coated, the driving motor 31 stops rotating, the electric cylinder 22 drives the clamping cover 25 to move upwards, so that the clamping cover 25 is separated from the clamping of the tubular workpiece, an operator manually wraps the end part of the wrapping film 4 on the film coating roller 37 on the tubular workpiece, after the end part of the wrapping film 4 is wrapped on the outer wall of the tubular workpiece, the electric cylinder 22 contracts to drive the clamping cover 25 to cover the outer part of the workpiece, the bottom end of the clamping cover 25 is positioned above the rotating disc 33, the wrapping film 4 simultaneously passes through the guide groove 251, the driving motor rotates anticlockwise to drive the tubular workpiece to rotate anticlockwise in the clamping cover 25 through the rotating disc 33, the wrapping film 4 is further wrapped on the outer wall of the workpiece, after the workpiece is completely wrapped, the electric cylinder 22 drives the clamping cover 25 to be separated from the sleeve joint of the workpiece, the operator can manually take the wrapping film 4 off the workpiece, and replacing the next workpiece to carry out wrapping operation.

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.