阅读说明：本技术 一种食品级钢管内壁清洁装置及方法 (Device and method for cleaning inner wall of food-grade steel pipe ) 是由 张培丽 吴爱国 陆明忠 姚菁琪 于 2019-10-31 设计创作，主要内容包括：本发明涉及一种食品级钢管内壁清洁装置及方法,其包括工作台、安装在工作台上并沿工作台长度方向依次排列的输送件和清洗件,输送件包括平行设置在工作台上的两个基座,两个基座在相对的一侧均通过中心轴转动连接有若干沿基座长度方向分布的滚轮,各个滚轮上均设有与钢管外轮廓相适配的凹弧面,每个基座对应的各个中心轴上均设有从动齿轮,基座上设有第一伺服电机和减速机,第一伺服电机的电机轴与减速机的输入轴连接,减速机的输出轴连接有主动齿轮,主动齿轮与各个从动齿轮通过齿带连接。本发明具有提高钢管内壁清洁效率的效果。(The invention relates to a device and a method for cleaning the inner wall of a food-grade steel pipe, which comprises a workbench, a conveying part and a cleaning part, wherein the conveying part and the cleaning part are arranged on the workbench and are sequentially arranged along the length direction of the workbench, the conveying part comprises two bases which are arranged on the workbench in parallel, a plurality of rollers distributed along the length direction of the bases are rotatably connected to one opposite sides of the two bases through central shafts, each roller is provided with a concave arc surface matched with the outer contour of the steel pipe, each central shaft corresponding to each base is provided with a driven gear, a first servo motor and a speed reducer are arranged on the bases, the motor shaft of the first servo motor is connected with the input shaft of the speed reducer, the output shaft of the speed reducer is connected with a driving gear, and the. The invention has the effect of improving the cleaning efficiency of the inner wall of the steel pipe.)

1. The utility model provides a food level steel pipe inner wall cleaning device which characterized in that: comprises a workbench (1), a conveying part (2) and a cleaning part (3) which are arranged on the workbench (1) in sequence along the length direction of the workbench (1), wherein the conveying part (2) comprises two bases (21) which are arranged on the workbench (1) in parallel, the two bases (21) are rotatably connected with a plurality of rollers (23) which are distributed along the length direction of the bases (21) through a central shaft (22) at one opposite side, each roller (23) is provided with a concave arc surface (231) which is matched with the outer contour of a steel pipe, each central shaft (22) corresponding to the base (21) is provided with a driven gear (221), the base (21) is provided with a first servo motor (24) and a speed reducer (25), the motor shaft of the first servo motor (24) is connected with the input shaft of the speed reducer (25), the output shaft of the speed reducer (25) is connected with a driving gear (26), the driving gear (26) is connected with each driven gear (221) through a toothed belt (27);

cleaning member (3) including installing driving motor (31) on workstation (1), rotate pivot (32), the solid fixed ring (33) and the water storage box (34) of connection on workstation (1) tip, the one end and the driving motor (31) of pivot (32) are connected, be equipped with brush hair (331) on solid fixed ring (33) lateral wall, water storage box (34) are the annular and rotate and connect on pivot (32), a plurality of hole for water spraying (341) have been seted up on water storage box (34), water storage box (34) are connected with first raceway (35) towards one side of driving motor (31), install first valve (351) on first raceway (35) and water source intercommunication and first raceway (35).

2. The food-grade steel pipe inner wall cleaning device according to claim 1, wherein: be equipped with water storage tank (36) in workstation (1), be equipped with liquid storage box (361) that are used for storing the sanitizer on water storage tank (36) inner wall, be equipped with high-pressure pump (37) on water storage tank (36) lateral wall, the end of intaking of high-pressure pump (37) is connected with water storage tank (36) through inlet tube (371), and the end of going out water is connected with first raceway (35).

3. The food-grade steel pipe inner wall cleaning device according to claim 2, characterized in that: the axis of the water spray hole (341) is inclined to the axis of the water storage box (34) and faces the bristles (331).

4. The food-grade steel pipe inner wall cleaning device according to claim 1, wherein: the two bases (21) are connected to the workbench (1) in a sliding mode, pushing cylinders (4) are arranged on the two bases (21) on the opposite sides, and piston rods of the pushing cylinders (4) are connected with the bases (21); the workbench (1) is provided with a through groove (41), the workbench (1) is rotatably connected with first supporting plates (43) through mandrels (42) on two sides of the through groove (41), the workbench (1) is provided with two second servo motors (44), motor shafts of the two second servo motors (44) are respectively connected with the two mandrels (42), the two first supporting plates (43) are vertically provided with second supporting plates (45) on opposite sides, the second supporting plates (45) are provided with hydraulic cylinders (451), and piston rods of the hydraulic cylinders (451) are connected with hoops (4511);

the water supply device is characterized in that a vertical frame (46) is arranged on the workbench (1), a second water pipe (47) is arranged at the top end of the vertical frame (46), one end of the second water pipe (47) is connected with a water source, the other end of the second water pipe is connected with a plurality of circumferentially distributed spray heads (471), and a second valve (472) is installed on the second water pipe (47).

5. The food-grade steel pipe inner wall cleaning device according to claim 4, wherein: the two opposite inner walls of the vertical frame (46) are provided with a plurality of mounting frames (48) distributed along the height direction of the vertical frame, each mounting frame (48) is internally provided with a heating wire (481) and a fan (482), and the heating wire (481) faces the inner side of the vertical frame (46).

6. The food-grade steel pipe inner wall cleaning device according to claim 1 or 4, wherein: a transmission frame (5) is arranged on the workbench (1), a transmission plate (51) is connected onto the transmission frame (5) in a sliding mode, a plurality of servo cylinders (52) are arranged on one side, facing the workbench (1), of the transmission plate (51), iron clamping rings (53) are arranged on push rods of the servo cylinders (52), and electromagnets (531) are arranged at two ends of each clamping ring (53); the both ends of transmission frame (5) lateral wall all rotate and are connected with synchronizing wheel (54), two be connected with hold-in range (55) between synchronizing wheel (54), be equipped with third servo motor (56) on transmission frame (5), the motor shaft of third servo motor (56) is connected with one of them synchronizing wheel (54), hold-in range (55) are connected with transmission board (51) through connecting plate (57).

7. The food-grade steel pipe inner wall cleaning device according to claim 6, wherein: be equipped with foundation ditch (6) on the ground, foundation ditch (6) bottom is equipped with water catch bowl (61), workstation (1) is settled in foundation ditch (6).

8. The food-grade steel pipe inner wall cleaning device according to claim 7, wherein: the bottom end of the outer circumferential surface of the water storage box (34) is connected with a balancing weight (342) through a fastening screw (3421).

9. A method for applying the food-grade steel pipe inner wall cleaning device of claim 8, comprising the following steps: a1, putting the steel pipe on the workbench (1) by an operator; a2, starting a servo cylinder (52), driving a clamp ring (53) to descend and abut against the steel pipe, electrifying an electromagnet (531) to suck the steel pipe, and starting a third servo motor (56) to enable the steel pipe to move between two rows of rollers (23); a3, starting a pushing cylinder (4), driving two bases (21) to approach each other, enabling two rows of rollers (23) to clamp a steel pipe, powering off an electromagnet (531), starting a first servo motor (24), driving the rollers (23) to rotate, and conveying the steel pipe to a rotating shaft (32); a4 and a driving motor (31) are started to drive a fixing ring (33) to rotate, a first valve (351) is opened, a high-pressure pump (37) is started to input water into a water storage box (34), the fixing ring (33) and the water storage box (34) enter the steel pipe along with the movement of the steel pipe, bristles (331) clean the inner wall of the steel pipe in a rotating mode, the water storage box (34) sprays water to clean the inner wall of the steel pipe, and after the fixing ring (33) relatively moves to the end portion of the steel pipe, a first servo motor (24) rotates reversely to enable the steel pipe to move backwards; a5, when the steel pipe is separated from the fixing ring (33), and the steel pipe moves between two hoops (4511), starting a hydraulic cylinder (451), driving the hoops (4511) to clamp the steel pipe, pushing a pushing cylinder (4) to drive a base (21) to move back, starting a second servo motor (44), enabling the steel pipe to rotate to be in a vertical state, opening a second valve (472), and spraying water by each spray nozzle (471) to wash the inner wall of the steel pipe; a6, after the washing is finished, closing a second valve (472), electrifying an electric heating wire (481), opening a fan (482), and drying the inner wall and the outer wall of the steel pipe by using hot air; a7, after drying, the second servo motor (44) rotates reversely, the steel pipe resets, the clamp ring (53) descends to suck the steel pipe, the hydraulic cylinder (451) drives the clamp hoop (4511) to move back, and the clamp ring (53) moves the steel pipe away.

10. A method for applying the food-grade steel pipe inner wall cleaning device is characterized in that: the steel pipe is reciprocated at least 2 times in the step a 4.

Technical Field

The invention relates to the technical field of steel pipe cleaning, in particular to a device and a method for cleaning the inner wall of a food-grade steel pipe.

Background

The food-grade stainless steel pipe is widely applied to various fields and industries of national economic construction such as pharmacy, food, beer, drinking water, bioengineering, chemical engineering, air purification, aviation, nuclear industry and the like, the international standardization organization publishes the international standard of ISO 2037 stainless steel pipe for food industry in 1992, and the food-grade stainless steel pipe is required to meet the standard requirement of the stainless steel pipe for related fluid transportation and has the inner surface roughness Ra of the steel pipe less than or equal to 1.0 mu m.

However, after the steel pipe is actually produced and processed, grease dirt is easily adhered to the inner wall of the steel pipe, the inner wall of the steel pipe needs to be cleaned in order to ensure the purity of a transmission medium of the steel pipe, the cleaning is limited to the length of the steel pipe, and the efficiency of a traditional manual cleaning mode is low.

Disclosure of Invention

The invention aims to provide a food-grade steel pipe inner wall cleaning device, which has the advantages that: the efficiency of steel pipe inner wall cleanness is improved.

The technical purpose of the invention is realized by the following technical scheme: a food-grade steel pipe inner wall cleaning device comprises a workbench, a conveying part and a cleaning part, wherein the conveying part and the cleaning part are installed on the workbench and sequentially arranged along the length direction of the workbench, the conveying part comprises two bases which are arranged on the workbench in parallel, a plurality of rollers distributed along the length direction of the bases are rotatably connected to one opposite sides of the two bases through central shafts, a concave arc surface matched with the outer contour of a steel pipe is arranged on each roller, a driven gear is arranged on each central shaft corresponding to each base, a first servo motor and a speed reducer are arranged on each base, a motor shaft of the first servo motor is connected with an input shaft of the speed reducer, an output shaft of the speed reducer is connected with a driving gear, and the driving gear is connected with each driven gear through a toothed belt;

the cleaning part comprises a driving motor installed on a workbench, a rotating shaft connected to the workbench in a rotating mode, a fixing ring connected to the end portion of the rotating shaft and a water storage box, one end of the rotating shaft is connected with the driving motor, bristles are arranged on the side wall of the fixing ring, the water storage box is annular and is connected to the rotating shaft in a rotating mode, a plurality of water spraying holes are formed in the water storage box, one side, facing the driving motor, of the water storage box is connected with a first water delivery pipe, and a first valve is installed on the first water delivery pipe, communicated with a water source and arranged on the first water delivery pipe.

By adopting the technical scheme, when cleaning, the first servo motor is started, the first servo motor drives the driving gear to rotate, and the driving gear drives each driven gear to drive through the toothed belt, so that the roller rotates; an operator places the steel pipe between the two rows of rollers, clamps the steel pipe to approach the rotating shaft by the rollers, simultaneously drives the motor to start, drives the rotating shaft to drive the fixing ring to rotate, opens the first valve, and inputs water in a water source into the water storage box and sprays out from each water spraying hole; when the fixed ring and the water storage box relatively move into the steel pipe, the rotating bristles clean the inner wall of the steel pipe, and water flow in the water spray holes is sprayed on the inner wall of the steel pipe, so that double cleaning is realized; after solid fixed ring relative movement reached the steel pipe tip, first servo motor reversal for the steel pipe moves back, breaks away from the gyro wheel until the steel pipe, and brush hair and rivers have carried out the secondary cleanness to the steel pipe inner wall at this in-process, have both accomplished the self-cleaning work of steel pipe inner wall, have guaranteed clean effect again, have improved the clear work efficiency of steel pipe inner wall and application scope pipe, do benefit to the cost of using manpower sparingly.

The invention is further configured to: the cleaning device is characterized in that a water storage tank is arranged in the workbench, a liquid storage box for storing cleaning agents is arranged on the inner wall of the water storage tank, a high-pressure pump is arranged on the side wall of the water storage tank, the water inlet end of the high-pressure pump is connected with the water storage tank through a water inlet pipe, and the water outlet end of the high-pressure pump is connected with a first water delivery pipe.

Through adopting above-mentioned technical scheme, the operator sneaks into the cleaning solution the aquatic in the water storage box, and the reuse high-pressure pump is carried away after with water pressurization, washes the steel pipe inner wall through the high-pressure rivers that thoughtlessly have mixed the cleaning solution, has increased clean effect.

The invention is further configured to: the axis of the water spraying hole is inclined to the axis of the water storage box and faces the bristles.

Through adopting above-mentioned technical scheme, the water current that the hole for water spraying jetted drenches the steel pipe inner wall in brush hair the place ahead in advance on the one hand, and on the other hand washes away the dirt on the brush hair.

The invention is further configured to: the two bases are connected to the workbench in a sliding mode, pushing cylinders are arranged on the two bases on the opposite sides, and piston rods of the pushing cylinders are connected with the bases; a through groove is formed in the workbench, first supporting plates are rotatably connected to two sides of the through groove of the workbench through mandrels, two second servo motors are arranged on the workbench, motor shafts of the two second servo motors are respectively connected with the two mandrels, the two first supporting plates are vertically provided with the second supporting plates on opposite sides, hydraulic cylinders are arranged on the second supporting plates, and clamp hoops are connected to piston rods of the hydraulic cylinders;

the automatic water supply device is characterized in that a vertical frame is arranged on the workbench, a second water delivery pipe is arranged at the top end of the vertical frame, one end of the second water delivery pipe is connected with a water source, the other end of the second water delivery pipe is connected with a plurality of circumferentially distributed spray heads, and a second valve is mounted on the second water delivery pipe.

Through adopting above-mentioned technical scheme, after the steel pipe moves back between two clamps, the pneumatic cylinder starts, and the clamp of drive steel pipe both sides is close to each other with the steel pipe clamp tightly, then the second servo motor starts, drives first backup pad and rotates, treats that the steel pipe rotates to vertical state after, the second valve is opened, and in water input steel pipe through the second raceway, the detergent on the inner wall of steel pipe and the inner wall washed, has further increased the clean effect of steel pipe inner wall.

The invention is further configured to: the two opposite inner walls of the vertical frame are provided with a plurality of mounting frames distributed along the height direction of the vertical frame, each mounting frame is internally provided with a heating wire and a fan, and the heating wire faces the inner side of the vertical frame.

By adopting the technical scheme, after the second water delivery pipe is washed, the electric heating wire is electrified for heating, the fan is started and blows airflow to the electric heating wire, the airflow is blown to the steel pipe by the hot airflow after being heated by the electric heating, and the residual water on the inner wall and the outer wall of the steel pipe is dried, so that the steel pipe can be stored conveniently, and the secondary pollution is reduced.

The invention is further configured to: the transmission frame is arranged on the workbench, a transmission plate is connected onto the transmission frame in a sliding mode, a plurality of servo cylinders are arranged on one side, facing the workbench, of the transmission plate, iron clamping rings are arranged on push rods of the servo cylinders, and electromagnets are arranged at two ends of each clamping ring; the transmission frame is characterized in that two ends of the side wall of the transmission frame are rotatably connected with synchronizing wheels, two synchronizing belts are connected between the synchronizing wheels, a third servo motor is arranged on the transmission frame, a motor shaft of the third servo motor is connected with one of the synchronizing wheels, and the synchronizing belts are connected with the transmission plate through connecting plates.

By adopting the technical scheme, an operator places the steel pipe to be cleaned on the workbench, the servo cylinders are started, the push rods of the servo cylinders drive the clamping rings to descend simultaneously until the clamping rings abut against the steel pipe, and the electromagnets are electrified to enable the clamping rings to suck the steel pipe; the push rod of the servo cylinder rises to separate the steel pipe from the workbench, the third servo motor is started to drive the synchronous wheel connected with the third servo motor to rotate, the synchronous wheel drives the synchronous belt to start transmission and drives the transmission plate to advance, the steel pipe moves towards the direction of the roller, manual carrying is not needed, and the labor intensity of operators is reduced.

The invention is further configured to: be equipped with the foundation ditch on the ground, the foundation ditch bottom is equipped with the water catch bowl, the workstation is settled in the foundation ditch.

By adopting the technical scheme, water after the steel pipe is cleaned falls into the foundation pit, and then the bottom of the foundation pit flows into the water collecting tank, so that the water is conveniently and intensively treated, and the condition that water flows everywhere on the ground is reduced.

The invention is further configured to: the bottom end of the outer circumferential surface of the water storage box is connected with a balancing weight through a fastening screw.

Through adopting above-mentioned technical scheme, the balancing weight has increased the gravity of retaining box and has made the focus of retaining box move down, has restricted the retaining box and has followed the pivot and rotate.

Another object of the present invention is to provide a method for using a food grade steel pipe inner wall cleaning device, comprising the steps of: a1, putting the steel tube on a workbench by an operator; a2, starting a servo cylinder to drive a clamp ring to descend and abut against the steel pipe, electrifying an electromagnet to suck the steel pipe, and starting a third servo motor to move the steel pipe between two rows of rollers; a3, starting a pushing cylinder to drive two bases to approach each other, so that two rows of rollers clamp a steel pipe, powering off an electromagnet, starting a first servo motor to drive the rollers to rotate, and conveying the steel pipe to a rotating shaft; a4, starting a driving motor to drive a fixing ring to rotate, opening a first valve, starting a high-pressure pump, inputting water into a water storage box, enabling the fixing ring and the water storage box to enter the steel pipe along with the movement of the steel pipe, enabling bristles to rotationally clean the inner wall of the steel pipe, spraying water to the inner wall of the steel pipe by the water storage box to clean, and enabling the steel pipe to move backwards after the fixing ring relatively moves to the end part of the steel pipe by the aid of the reverse rotation of a first servo motor; a5, when the steel pipe is separated from the fixing ring and moves between the two hoops, the hydraulic cylinder is started to drive the hoops to clamp the steel pipe, the pushing cylinder drives the base to move back, the second servo motor is started to enable the steel pipe to rotate to be in a vertical state, the second valve is opened, and each spray head sprays water to wash the inner wall of the steel pipe; a6, closing a second valve after flushing is finished, electrifying the heating wire, opening the fan, and drying the inner wall and the outer wall of the steel pipe by using hot air; a7, after drying, the second servo motor rotates reversely, the steel pipe resets, the clamp ring descends to suck the steel pipe, the hydraulic cylinder drives the clamp ring to move back, and the clamp ring moves away the steel pipe.

By adopting the technical scheme, the automation of cleaning the inner wall of the steel pipe is realized, the device is suitable for steel pipes with different specifications, the cleaning steps are connected compactly, and the occupation of the device on the space is saved.

The invention is further configured to: the steel pipe is reciprocated at least 2 times in the step a 4.

By adopting the technical scheme, the cleaning frequency of the inner wall of the steel pipe is repeated, so that the residue of dirt on the inner wall of the steel pipe is reduced, and the cleaning degree is improved.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the inner wall of the steel pipe is automatically cleaned through the cleaning device, the application range is wide, the cleaning efficiency is improved, and the labor cost is saved;

2. the steel pipe is repeatedly washed by adopting a mode of matching the cleaning agent with high-pressure water flow, and by adopting the clean water washing and the hot air drying, the cleaning effect of the steel pipe is ensured and the subsequent secondary pollution of the steel pipe is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural diagram of the base and the pushing cylinder in the embodiment.

Fig. 3 is an enlarged view of a in fig. 2.

FIG. 4 is a schematic structural diagram of a cleaning member according to the present embodiment.

FIG. 5 is a schematic structural view of the embodiment for embodying the fixing ring and the water storage box.

Fig. 6 is a schematic structural diagram of the water storage tank and the high-pressure pump in the embodiment.

Fig. 7 is a schematic structural diagram for embodying the stand and the transmission rack in the present embodiment.

Fig. 8 is an enlarged view at B in fig. 7.

Fig. 9 is an enlarged view at C in fig. 7.

Fig. 10 is a schematic structural diagram for embodying the first support plate and the second support plate in the present embodiment.

In the figure, 1, a workbench; 2. a conveying member; 21. a base; 22. a central shaft; 221. a driven gear; 23. a roller; 231. a concave arc surface; 24. a first servo motor; 25. a speed reducer; 26. a driving gear; 27. a toothed belt; 3. cleaning the workpiece; 31. a drive motor; 32. a rotating shaft; 33. a fixing ring; 331. brushing; 34. a water storage box; 341. a water spray hole; 342. a balancing weight; 3421. fastening screws; 35. a first water delivery pipe; 351. a first valve; 36. a water storage tank; 361. a liquid storage box; 37. a high pressure pump; 371. a water inlet pipe; 4. a pushing cylinder; 41. a through groove; 42. a mandrel; 43. a first support plate; 44. a second servo motor; 45. a second support plate; 451. a hydraulic cylinder; 4511. clamping a hoop; 46. erecting a frame; 47. a second water delivery pipe; 471. a spray head; 472. a second valve; 48. installing a frame; 481. an electric heating wire; 482. a fan; 5. a transmission rack; 51. a transmission plate; 52. a servo cylinder; 53. a snap ring; 531. an electromagnet; 54. a synchronizing wheel; 55. a synchronous belt; 56. a third servo motor; 57. a connecting plate; 6. a foundation pit; 61. a water collection tank.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.