Powder spraying device for corrosion prevention of steel pipe
By introducing a motor-driven structure consisting of a positioning block, an extension block, a limiting rod, and a threaded rod into the powder coating device, combined with a pneumatic cylinder and a gear transmission system, the problem of inaccurate positioning of the steel pipe during the coating process is solved, achieving stable rotation of the steel pipe and convenient operation.
Patent Information
- Application Number
- CN202423300018.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing powder coating equipment has difficulty in effectively positioning steel pipes when clamping them, causing the steel pipes to shift and affecting the coating quality.
The system employs a combination structure of positioning blocks, extension blocks, limit rods, diagonal rods, and threaded rods. It achieves precise positioning of the steel pipe through motor drive and combines a pneumatic cylinder and gear transmission system to ensure that the steel pipe rotates around its own axis.
It achieves stable positioning of steel pipes and convenient loading and unloading, improves coating quality and operational convenience, and reduces the workload of operators.
Smart Images

Figure CN223811160U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to steel pipe processing equipment technical field, specifically a kind of powder spraying device for steel pipe anticorrosion. BACKGROUND
[0002] Powder spraying device, also known as powder electrostatic spraying equipment, uses electrostatic principle to spray powder coating to workpiece surface, through the double action of electrostatic adsorption and airflow delivery, powder particles are uniformly adsorbed on workpiece, forming a layer of solid and bright coating, widely used in building, aluminum, home appliances, furniture, mechanical equipment and automobile parts and other fields.
[0003] In the process of steel pipe processing, the corresponding powder spraying device needs to be used to spray a layer of anticorrosive coating on the outer surface of the steel pipe, so as to improve the service life of the steel pipe, but the existing powder spraying device still has some shortcomings in actual use. The existing powder spraying device is mainly clamped at both ends of the steel pipe by using air cylinder and clamping plate during use, but this clamping method is not convenient for positioning the steel pipe, which is easy to make the steel pipe deviate from its own axis and rotate, thereby affecting the spraying quality. Therefore, improvement is needed. UTILITY MODEL CONTENTS
[0004] The utility model aims at above -mentioned problem, the utility model provides a kind of powder spraying device for steel pipe anticorrosion, with the advantage that positioning is facilitated.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of powder spraying device for steel pipe anticorrosion, including spraying box, the middle part of the right end of the spraying box is movably sleeved with disc, the upper and lower sides of the inside middle end of the left end of the disc are movably sleeved with positioning block respectively, the number of the positioning block is two, the opposite sides of the two positioning blocks are fixedly installed with extension plate respectively, the outer surface of the extension plate and the inner surface of the left end of the disc are movably sleeved, the right end of the two positioning blocks is fixedly installed with extension block respectively, the number of the extension block is two, the outer surface of the two extension blocks is movably sleeved with the inner surface of the disc respectively, the inside of the two extension blocks is movably sleeved with limit rod, the outer surface of the limit rod and the inner surface of the disc are fixedly sleeved, the right side of the front end of the disc is fixedly sleeved with first motor, the other end of the output shaft of the first motor is fixedly sleeved with threaded rod, the outer surface of the threaded rod and the inner surface of the rectangular block are threadedly sleeved, the left side of the outer surface of the threaded rod is movably sleeved with support block, the outer surface of the support block and the outer surface of the disc are fixedly connected, the top end inside the spraying box is fixedly installed with spray gun.
[0006] As the utility model is preferred, the middle part of the left end of the spraying box is movably sleeved with a cylinder, and the inside of the cylinder is fixedly sleeved with a pneumatic cylinder.
[0007] As the utility model is preferred, the right end of the pneumatic cylinder is fixedly installed with a rotating disc, the left end of the rotating disc and the right end of the cylinder and the left side inner wall of the spraying box are movably connected, the outer surface of the cylinder is fixedly sleeved with a driven gear, and the right end of the driven gear and the left end of the spraying box are movably connected.
[0008] As the utility model is preferred, the top of the left end of the spraying box is fixedly installed with a driving motor, the other end of the driving motor output shaft is fixedly sleeved with a driving shaft, the right side of the outer surface of the driving shaft is fixedly sleeved with a driving gear, the right end of the driving gear and the left end of the spraying box are movably connected, and the outer surface of the driving gear and the outer surface of the driven gear are meshedly connected.
[0009] As the utility model is preferred, the bottom of the middle part of the left and right side inner walls of the spraying box is fixedly installed with a limiting plate respectively, the number of the limiting plates is two, the bottom of the outer surface of the two limiting plates is movably sleeved with a placing plate respectively, the right side of the top of the placing plate is fixedly sleeved with an inclined block, and the outer surface of the inclined block and the outer surface of the limiting plate are movably connected.
[0010] As the utility model is preferred, the rear side of the middle part of the top of the placing plate is fixedly installed with a long plate, the rear end of the long plate and the rear side inner wall of the spraying box are movably connected, the top of the long plate penetrates through the spraying box and extends to the outside of the spraying box and is fixedly sleeved with a baffle, and the bottom end of the baffle and the top end of the spraying box are movably connected.
[0011] As the utility model is preferred, the right end of the spraying box is fixedly installed with a second motor, the other end of the second motor output shaft is fixedly sleeved with a rotating shaft, the left end of the rotating shaft penetrates through the spraying box and extends to the inside of the spraying box and is fixedly sleeved with an embedded gear, the right end of the embedded gear and the right side inner wall of the spraying box are movably connected, and the outer surface of the embedded gear and the rear side inner wall of the long plate are meshedly connected.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The utility model discloses a positioning block, an extension block, a limiting rod, an inclined rod and a threaded rod are arranged, when the first motor starts, the threaded rod rotates, because the outer surface of the threaded rod and the inner surface of the rectangular block are threadedly sleeved, with the rotation of the threaded rod, the rectangular block moves with the inclined rod, so that the inclined rod generates a thrust on the extension block, the two extension blocks move along the outer surface of the limiting rod with the positioning block respectively, so that the positioning block can position the steel pipe, so that the steel pipe can rotate around the axis.
[0014] 2, the utility model discloses a placing plate, long board, second motor, built-in gear are set up, when second motor starts, will make the rotation of built-in gear that the rotating shaft drives, because the outer surface of built-in gear and the inner surface of long board are engaged connection, so under the action of built-in gear, will make long board with placing plate move along the inner surface of spraying box, thereby the feeding and discharging of steel pipe are realized through the lifting of placing plate, and then the convenience of powder spraying device use is improved, and the work burden of operating personnel is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model;
[0016] Figure 2 It is the sectional structure schematic diagram of the front of the utility model;
[0017] Figure 3 It is the structure schematic diagram of the side of the utility model;
[0018] Figure 4 It is the sectional structure schematic diagram of the side of the utility model;
[0019] Figure 5 It is the sectional structure schematic diagram of long board of the utility model;
[0020] Figure 6 It is Figure 2 It is the local enlarged structure schematic diagram of A place;
[0021] Figure 7 It is Figure 3 It is the local enlarged structure schematic diagram of B place.
[0022] In the drawing: 1, spraying box;2, disc;3, positioning block;4, extension plate;5, extension block;6, limit rod;7, inclined rod;8, rectangular block;9, first motor;10, threaded rod;11, support block;12, spray gun;13, cylinder;14, pneumatic cylinder;15, turntable;16, driven gear;17, drive motor;18, drive shaft;19, driving gear;20, limit plate;21, placing plate;22, inclined block;23, long board;24, baffle;25, second motor;26, rotating shaft;27, built-in gear. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0024] As Figures 1 to 7 The utility model provides a kind of powder spraying device for steel pipe anticorrosion, including spraying box 1, the middle part of the right end of spraying box 1 is movably sleeved with disc 2, the upper and lower sides of the inside middle end of disc 2 left end are movably sleeved with locating block 3 respectively, the number of locating block 3 is two, two locating block 3 are respectively fixedly installed with extension plate 4 on the opposite side, the outer surface of extension plate 4 and the inner surface of disc 2 left end are movably sleeved, the right end of two locating block 3 is respectively fixedly installed with extension block 5, the number of extension block 5 is two, the outer surface of two extension block 5 is respectively movably sleeved with the inner surface of disc 2, the inside of two extension block 5 is movably sleeved with limit rod 6, the outer surface of limit rod 6 and the inner surface of disc 2 are fixedly sleeved, the right end of two extension block 5 is respectively hinged with inclined rod 7, the other end of inclined rod 7 is hinged with rectangular block 8, the outer surface of rectangular block 8 and the outer surface of disc 2 are movably connected, the right side of the front end of disc 2 is fixedly sleeved with first motor 9, the other end of first motor 9 output shaft is fixedly sleeved with threaded rod 10, the outer surface of threaded rod 10 and the inner surface of rectangular block 8 are threadedly sleeved, the left side of the outer surface of threaded rod 10 is movably sleeved with support block 11, the outer surface of support block 11 and the outer surface of disc 2 are fixedly connected, the top end in spraying box 1 is fixedly installed with spray gun 12.
[0025] When first motor 9 starts, threaded rod 10 will rotate, since threaded rod 10 and rectangular block 8 are threadedly sleeved, under the action of threaded rod 10, rectangular block 8 will move along with one end of inclined rod 7 along the outer surface of disc 2, so that the other end of inclined rod 7 generates a thrust on extension block 5, pushes two extension block 5 to move in opposite directions along the outer surface of limit rod 6, and then makes locating block 3 connected with extension block 5 move along with extension plate 4, so as to realize the positioning of steel pipe.
[0026] Among them, the middle part of the left end of spraying box 1 is movably sleeved with cylinder 13, cylinder 13 is fixedly sleeved with pneumatic cylinder 14 in the inside.
[0027] Due to the existence of cylinder 13, it will play a supporting role, and also can fix pneumatic cylinder 14, to ensure the stability of pneumatic cylinder 14 operation.
[0028] Among them, the right end of pneumatic cylinder 14 is fixedly installed with rotating disc 15, the left end of rotating disc 15 and the right end of cylinder 13 and the left side inner wall of spraying box 1 are movably connected, the outer surface of cylinder 13 is fixedly sleeved with driven gear 16, the right end of driven gear 16 and the left end of spraying box 1 are movably connected.
[0029] When driven gear 16 rotates, rotating disc 15 will rotate along with cylinder 13 and pneumatic cylinder 14.
[0030] The top of the left end of the spraying box 1 is fixedly provided with a driving motor 17, the other end of the output shaft of the driving motor 17 is fixedly sleeved with a driving shaft 18, the outer surface of the driving shaft 18 is fixedly sleeved with a driving gear 19 on the right side, the right end of the driving gear 19 is movably connected with the left end of the spraying box 1, and the outer surface of the driving gear 19 is movably connected with the outer surface of the driven gear 16.
[0031] When the driving motor 17 is started, the driving shaft 18 and the driving gear 19 will rotate, so that the driven gear 16 connected with the driving gear 19 rotates.
[0032] The bottoms of the middle ends of the inner walls on the left and right sides of the spraying box 1 are fixedly provided with limiting plates 20, the number of the limiting plates 20 is two, the bottoms of the outer surfaces of the two limiting plates 20 are movably sleeved with a placing plate 21, the right side of the top of the placing plate 21 is fixedly sleeved with an inclined block 22, and the outer surface of the inclined block 22 is movably connected with the outer surface of the limiting plate 20.
[0033] Due to the existence of the limiting plates 20, the movement of the placing plate 21 is limited, and the opposite surfaces of the two limiting plates 20 are located on the same horizontal plane as the opposite surfaces of the disc 2 and the rotating disc 15, so that the movement of the placing plate 21 is not hindered by the disc 2 and the rotating disc 15, and the size of the placing plate 21 is the same as the internal size of the spraying box 1, so as to ensure the stability of the movement of the placing plate 21 in the internal cavity of the spraying box 1.
[0034] The rear side of the middle part of the top of the placing plate 21 is fixedly provided with a long plate 23, the rear end of the long plate 23 is movably connected with the rear inner wall of the spraying box 1, the top of the long plate 23 penetrates through the spraying box 1 and extends to the outside of the spraying box 1 and is fixedly sleeved with a baffle 24, and the bottom end of the baffle 24 is movably connected with the top of the spraying box 1.
[0035] When the long plate 23 moves, the placing plate 21 will move together.
[0036] The right end of the spraying box 1 is fixedly provided with a second motor 25, the other end of the output shaft of the second motor 25 is fixedly sleeved with a rotating shaft 26, the left end of the rotating shaft 26 penetrates through the spraying box 1 and extends to the inside of the spraying box 1 and is fixedly sleeved with an internal gear 27, the right end of the internal gear 27 is movably connected with the right inner wall of the spraying box 1, and the outer surface of the internal gear 27 is movably connected with the rear inner wall of the long plate 23.
[0037] When the second motor 25 is started, the rotating shaft 26 will drive the internal gear 27 to rotate, and since the outer surface of the internal gear 27 is movably connected with the rear inner wall of the long plate 23, under the action of the internal gear 27, the long plate 23 will move along the inner surface of the spraying box 1.
[0038] The utility model discloses a working principle and use flow:
[0039] When using, the operator first places the steel pipe in the groove on the top end of the placing plate 21, then starts the second motor 25, makes the rotating shaft 26 drive the built-in gear 27 to rotate, thereby makes the long plate 23 connected with the built-in gear 27 move upwards with the placing plate 21, until the top of the inner wall of the steel pipe passes the positioning block 3, the operator stops the second motor 25 and starts the pneumatic cylinder 14, makes the rotating disc 15 move and push the steel pipe, thereby makes the steel pipe move upwards along the inclined surface of the inclined block 22, when the positioning block 3 enters the inside of the steel pipe, the operator stops the pneumatic cylinder 14 and starts the second motor 25, thereby moves the placing plate 21 to the bottom of the inner cavity of the spraying box 1, then the operator starts the first motor 9, makes the threaded rod 10 rotate, thereby makes the rectangular block 8 on the outer surface of the threaded rod 10 move with one end of the inclined rod 7, further makes the other end of the inclined rod 7 generate a pushing force to the extension block 5, pushes the two extension blocks 5 to move in opposite directions along the outer surface of the limiting rod 6 with the positioning block 3 and the extension plate 4 respectively, until the outer surface of the positioning block 3 contacts with the inner wall of the steel pipe, at this time the operator stops the first motor 9 and starts the pneumatic cylinder 14, makes the rotating disc 15 continue to move and clamp the steel pipe with the disc 2, then the operator starts the driving motor 17, makes the driving shaft 18 drive the driving gear 19 to rotate, thereby makes the driven gear 16 meshed with the driving gear 19 rotate with the rotating disc 15 and the steel pipe through the cylinder 13 and the pneumatic cylinder 14, finally starts the spray gun 12 to start spraying operation, under the cooperation of each mechanism, realizes the positioning of the steel pipe, thereby ensures that the steel pipe can rotate with its own axis as the center.
[0040] When the spraying is finished, the operator starts the second motor 25, makes the long plate 23 move upwards with the placing plate 21 under the action of the built-in gear 27, when the placing plate 21 and the inclined block 22 are stopped and cannot continue to move, the operator stops the second motor 25 and starts the pneumatic cylinder 14, makes the rotating disc 15 reset, at the same time, starts the second motor 25 again, makes the placing plate 21 continue to move upwards, at this time, under the action of the inclined block 22, the steel pipe will be disengaged with the positioning block 3, then the operator can make the placing plate 21 move downwards with the steel pipe to the initial position through the cooperation of the second motor 25, the built-in gear 27 and the long plate 23, thereby realizes the automatic feeding and discharging of the steel pipe under the cooperation of the placing plate 21, the inclined block 22, the long plate 23 and the built-in gear 27, thereby improves the convenience of the powder spraying device.
[0041] It is to be noted that, in the present document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0042] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A powder spraying device for corrosion protection of steel pipes, comprising a spraying chamber (1), characterized in that: The middle part of the left end of the spraying box (1) movably sleeves a cylinder (13), and the inside of the cylinder (13) fixedly sleeves a pneumatic cylinder (14).
2. The powder spraying device for corrosion protection of steel pipes according to claim 1, characterized in that: The right end of the pneumatic cylinder (14) fixedly installs a rotating disc (15), the left end of the rotating disc (15) and the right end of the cylinder (13) and the left side inner wall of the spraying box (1) movably connect, the outer surface of the cylinder (13) fixedly sleeves a driven gear (16), and the right end of the driven gear (16) and the left end of the spraying box (1) movably connect.
3. The powder spraying device for corrosion protection of steel pipes according to claim 2, characterized in that: The top of the left end of the spraying box (1) fixedly installs a driving motor (17), the other end of the output shaft of the driving motor (17) fixedly sleeves a driving shaft (18), the right side of the outer surface of the driving shaft (18) fixedly sleeves a driving gear (19), the right end of the driving gear (19) and the left end of the spraying box (1) movably connect, and the outer surface of the driving gear (19) and the outer surface of the driven gear (16) meshingly connect.
4. The powder spraying device for corrosion protection of steel pipes according to claim 1, characterized in that: The bottom of the middle part of the left and right side inner walls of the spraying box (1) fixedly installs a limiting plate (20), the number of the limiting plate (20) is two, the bottom of the outer surface of the two limiting plates (20) movably sleeves a placing plate (21), and the right side of the top of the placing plate (21) fixedly sleeves an inclined block (22); and the outer surface of the inclined block (22) and the outer surface of the limiting plate (20) movably connect.
5. The powder spraying device for corrosion protection of steel pipes according to claim 1, characterized in that: 6. The powder spraying device for corrosion protection of steel pipes according to claim 5, characterized in that: The rear side of the middle part of the top end of the placing plate (21) is fixedly installed with a long plate (23), the rear end of the long plate (23) is movably connected with the rear side inner wall of the spraying box (1), the top end of the long plate (23) penetrates through the spraying box (1) and extends to the outside of the spraying box (1) and is fixedly sleeved with a baffle (24), and the bottom end of the baffle (24) is movably connected with the top end of the spraying box (1).
7. The powder spraying device for corrosion protection of steel pipes according to claim 1, characterized in that: The right end of the spraying box (1) is fixedly installed with a second motor (25), the other end of the output shaft of the second motor (25) is fixedly sleeved with a rotating shaft (26), the left end of the rotating shaft (26) penetrates through the spraying box (1) and extends to the inside of the spraying box (1) and is fixedly sleeved with an internal gear (27), the right end of the internal gear (27) is movably connected with the right side inner wall of the spraying box (1), and the outer surface of the internal gear (27) is movably connected with the rear side inner wall of the long plate (23).