CN211329964U

CN211329964U - Fixing piece for vertical spraying

Info

Publication number: CN211329964U
Application number: CN201922105343.5U
Authority: CN
Inventors: 熊曦
Original assignee: Hubei Yutong Electromagnetic Valve Co ltd
Current assignee: Hubei Yutong Electromagnetic Valve Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-25
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to the technical field of thermal spraying, in particular to a fixing piece for vertical spraying, wherein the top of a base is positioned at the inner side of a screw rod and is rotationally provided with a plurality of fixed disks which are distributed in an annular manner, the top surface of each fixed disk is provided with a circular groove and a plurality of strip-shaped grooves which are distributed in an annular manner, the strip-shaped grooves are communicated with the circular grooves, the other ends of the strip-shaped grooves are in a closed shape, an expansion block is arranged in each strip-shaped groove in a sliding manner, and a spring is arranged between each expansion block and the; the inside of circular slot is provided with electric telescopic handle, and electric telescopic handle's top fixedly connected with core that expands, core and the tight piece looks butt that expands expand, and fixed mounting has the commentaries on classics roller on the fixed disk. The utility model drives the expansion core to move up and down through the electric telescopic rod, thereby driving the expansion block to move along the strip-shaped groove, changing the expansion stroke and being convenient for fixing the rotary rollers with different inner diameters; the motor drives the fixed disc to rotate, so as to drive the rotating roller to rotate, and the spray head can spray the circumferential surface of the rotating roller uniformly.

Description

Fixing piece for vertical spraying

Technical Field

The utility model relates to a hot spraying technical field specifically is a mounting for perpendicular spraying.

Background

Thermal spraying is a surface strengthening technique, which is a technique that a powdered or filamentous metal or nonmetal material is heated to a molten or semi-molten state by using a certain heat source (such as an electric arc, plasma spraying or combustion flame, etc.), and then sprayed onto the surface of a pretreated substrate at a certain speed by means of flame flow itself or compressed air, and deposited to form a surface coating having various functions.

In the printing industry, a printing embossing roller, a ceramic anilox roller, a coating roller, an ink roller, a printing roller and a water roller can be repaired in a thermal spraying mode, but the diameters of various rollers are different, fixing pieces with corresponding sizes are needed when the rollers with different diameters are fixed, and the surfaces of the rollers are incompletely sprayed due to the fact that the fixing pieces are in contact with the outer walls of the rollers.

For this reason, we propose a fixture for vertical painting to solve the above drawbacks well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mounting for perpendicular spraying to solve the problem that proposes among the above-mentioned background art.

The utility model aims at realizing through the following technical scheme: a fixing piece for vertical spraying comprises a base and a central shaft arranged at the top of the base, wherein a plurality of lead screws which are distributed annularly are further arranged at the position, close to the edge, of the top of the base, and a stepping motor for driving the lead screws to rotate is arranged at the bottom of the lead screws; a truss is arranged between the central shaft and the screw rod and is positioned at the top of the central shaft, a guide rod is arranged at one side of the top of the base close to the screw rod, and the top of the guide rod is fixedly connected with the truss; the lead screw is provided with a moving block, the guide rod penetrates through the moving block, and the moving block is also provided with a spray head for spraying; the top of the base is positioned on the inner side of the screw rod and is rotatably provided with a plurality of fixing discs which are distributed in an annular manner, the fixing discs and the screw rod are in one-to-one correspondence, the top surface of each fixing disc is provided with a circular groove and a plurality of strip-shaped grooves which are distributed in an annular manner, the strip-shaped grooves are communicated with the circular grooves, the other ends of the strip-shaped grooves are closed, the strip-shaped grooves are internally provided with tensioning blocks in a sliding manner, and springs are arranged between the tensioning blocks and the closed ends of; the inside of circular slot is provided with electric telescopic handle, and electric telescopic handle's top fixedly connected with core that expands, the core that expands with bloated tight piece looks butt, fixed mounting has the commentaries on classics roller on the fixed disk.

Preferably, one end of the truss is fixedly connected with the top of the central shaft, and the other end of the truss is rotatably connected with the top of the screw rod.

Preferably, a groove is formed in the position, corresponding to the fixed disk, of the top surface of the base, a motor is arranged in the groove, and the output end of the motor is fixedly connected with the bottom of the fixed disk.

Preferably, the expansion block comprises a contact part, a fixed part arranged at the top of the contact part and a sliding part arranged at the bottom of the contact part, and the spring is fixedly connected with the sliding part.

Preferably, the inner side surface of the contact portion is inclined, the outer side surfaces of the contact portion and the fixing portion are arc-shaped, the contact portion is in contact with the expansion core, and the fixing portion is in contact with the inner wall of the rotary roller.

Compared with the prior art, the utility model provides a mounting for perpendicular spraying possesses following beneficial effect:

1. the expansion core is driven to move up and down through the electric telescopic rod, so that the expansion block is driven to move along the strip-shaped groove, the expansion stroke is changed, and the rotary rollers with different inner diameters can be fixed conveniently;

2. the motor drives the fixed disc to rotate, so as to drive the rotating roller to rotate, and the spray head can spray the circumferential surface of the rotating roller uniformly.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a top view of the fixing plate of the present invention;

fig. 4 is an enlarged schematic view of the area a in fig. 2.

In the figure: 1. a base; 2. a central shaft; 3. a truss; 4. a screw rod; 5. a guide bar; 6. a moving block; 7. a spray head; 8. fixing the disc; 81. a circular groove; 82. a strip-shaped groove; 83. expanding and tightening blocks; 831. a contact portion; 832. a sliding part; 833. a fixed part; 84. a spring; 85. expanding the core; 86. an electric telescopic rod; 9. rotating the roller; 10. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1 and fig. 2, the present invention provides a technical solution: a fixing piece for vertical spraying comprises a base 1 and a central shaft 2 vertically arranged in the center of the top of the base 1, wherein a plurality of lead screws 4 which are distributed annularly are further arranged at the edge of the top of the base 1 close to the edge, and stepping motors for driving the lead screws 4 to rotate are arranged at the bottoms of the lead screws 4; a truss 3 is arranged between the central shaft 2 and the screw rod 4, one end of the truss 3 is fixedly connected with the top of the central shaft 2, the other end of the truss 3 is rotatably connected with the top of the screw rod 4, a guide rod 5 is arranged on one side, close to the screw rod 4, of the top of the base 1, and the top of the guide rod 5 is fixedly connected with the truss 3; a moving block 6 is arranged on the screw rod 4, the guide rod 5 penetrates through the moving block 6, and a spray head 7 for spraying is further arranged on the moving block 6; starting the stepping motor to drive the screw rod 4 to rotate, and moving the moving block 6 up and down along the guide rod 5 under the action of the screw rod 4 and the guide rod 5 so as to drive the spray head 7 to move up and down; a plurality of fixing discs 8 which are distributed annularly are arranged at the top of the base 1 and positioned at the inner side of the screw rod 4, the fixing discs 8 correspond to the screw rod 4 one by one, and rotating rollers 9 are fixedly arranged on the fixing discs 8; a groove is formed in the top surface of the base 1 corresponding to the fixed disk 8, a motor 10 is arranged in the groove, and the output end of the motor 10 is fixedly connected with the bottom of the fixed disk 8; the motor 10 drives the fixed disc 8 to rotate, so as to drive the rotating roller 9 to rotate, and the spray head 7 is used for uniformly spraying the surface of the rotating roller 9.

Referring to fig. 3 and 4, the fixed disk 8 is circular, a circular groove 81 is formed in the center of the top surface of the fixed disk 8, a plurality of strip-shaped grooves 82 distributed annularly are formed in the top surface of the fixed disk 8, the strip-shaped grooves 82 are communicated with the circular groove 81, the other ends of the strip-shaped grooves 82 are closed, expansion blocks 83 are arranged in the strip-shaped grooves 82 in a sliding mode, springs 84 are arranged between the expansion blocks 83 and the closed ends of the strip-shaped grooves 82, and two ends of each spring 84 are fixedly connected with the strip-shaped grooves 82 and the expansion blocks 83; the expansion block 83 is composed of a contact part 831, a fixing part 833 arranged on the top of the contact part 831 and a sliding part 832 arranged on the bottom of the contact part 831, the spring 84 is fixedly connected with the sliding part 832, the inner side surface of the contact part 831 is inclined, and the outer side surfaces of the contact part 831 and the fixing part 833 are arc-shaped; an electric telescopic rod 86 is arranged inside the circular groove 81, an expansion core 85 is fixedly connected to the top end of the electric telescopic rod 86, the expansion core 85 is in a circular truncated cone shape, and the contact part 831 is abutted to the outer side of the expansion core 85; drive bloated core 85 through electric telescopic handle 86 and reciprocate to make bloated core 85 promote bloated tight piece 83 and remove along bar recess 82, thereby change bloated tight range of tight piece 83, will change roller 9 and place on fixed disk 8, and make bloated tight piece 83 pass the inner ring of changeing roller 9, start electric telescopic handle 86, make it drive bloated core 85 rebound, bloated tight piece 83 and the inner wall looks butt of changeing roller 9, will change roller 9 bloated tightly fixed.

The working principle is as follows: placing the rotating roller 9 on the fixed disc 8, enabling the expansion block 83 to penetrate through the inner ring of the rotating roller 9, starting the electric telescopic rod 86 to drive the expansion core 85 to move upwards, enabling the expansion core 83 to be abutted against the contact part 831, enabling the spring 84 to be compressed under pressure, enabling the sliding part 832 to slide outwards along the strip-shaped groove 82, enabling the expansion block 83 to be abutted against the inner wall of the rotating roller 9, and expanding and fixing the rotating roller 9; the motor 10 is started to drive the fixed disc 8 to rotate so as to drive the rotating roller 9 to rotate, the stepping motor is started to drive the lead screw 4 to rotate, the moving block 6 moves up and down along the guide rod 5 under the driving of the lead screw 4 and the guiding action of the guide rod 5, the spray head 7 moves up and down along with the moving block, and the spray head 7 sprays the surface of the rotating roller 9 in the rotating process.

It is noted that, herein, 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, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mounting for vertical spraying characterized in that: the device comprises a base (1) and a central shaft (2) arranged at the top of the base (1), wherein a plurality of lead screws (4) which are distributed annularly are further arranged at the position, close to the edge, of the top of the base (1), and a stepping motor for driving the lead screws (4) to rotate is arranged at the bottom of the lead screws (4); a truss (3) is arranged between the central shaft (2) and the screw rod (4), the truss (3) is positioned at the top of the central shaft (2), a guide rod (5) is arranged on one side, close to the screw rod (4), of the top of the base (1), and the top of the guide rod (5) is fixedly connected with the truss (3); a moving block (6) is arranged on the lead screw (4), the guide rod (5) penetrates through the moving block (6), and a spray head (7) for spraying is further arranged on the moving block (6); the top of the base (1) is positioned on the inner side of the screw rod (4) and is rotatably provided with a plurality of fixing discs (8) which are distributed in an annular mode, the fixing discs (8) correspond to the screw rod (4) in a one-to-one mode, the top surface of each fixing disc (8) is provided with a circular groove (81) and a plurality of strip-shaped grooves (82) which are distributed in an annular mode, the strip-shaped grooves (82) are communicated with the circular grooves (81), the other ends of the strip-shaped grooves (82) are closed, expansion blocks (83) are arranged in the strip-shaped grooves (82) in a sliding mode, and springs (84) are arranged between the expansion blocks (83) and the closed ends of; the inside of circular slot (81) is provided with electric telescopic handle (86), and the top fixedly connected with of electric telescopic handle (86) expands core (85), expand core (85) and bloated tight piece (83) looks butt, fixed mounting has commentaries on classics roller (9) on fixed disk (8).

2. A fixture for vertical spraying according to claim 1, wherein: one end of the truss (3) is fixedly connected with the top of the central shaft (2), and the other end of the truss (3) is rotatably connected with the top of the screw rod (4).

3. A fixture for vertical spraying according to claim 1, wherein: a groove is formed in the position, corresponding to the fixed disk (8), of the top surface of the base (1), a motor (10) is arranged in the groove, and the output end of the motor (10) is fixedly connected with the bottom of the fixed disk (8).

4. A fixture for vertical spraying according to claim 1, wherein: the expansion block (83) consists of a contact part (831), a fixing part (833) arranged at the top of the contact part (831) and a sliding part (832) arranged at the bottom of the contact part (831), and the spring (84) is fixedly connected with the sliding part (832).

5. The fixing member for vertical spraying according to claim 4, wherein: the inner side surface of the contact part (831) is inclined, the outer side surfaces of the contact part (831) and the fixing part (833) are arc-shaped, the contact part (831) is abutted to the expansion core (85), and the fixing part (833) is abutted to the inner wall of the rotary roller (9).