Positioning mechanism in blind hole cleaning device

Abstract

The utility model discloses a positioning mechanism in a blind hole cleaning device, which comprises a cleaning shell, an inlet / outlet is arranged on the right side wall of the cleaning shell, a plurality of supporting rods are vertically and upwards arranged on the inner bottom wall of the cleaning shell, and two pushing positioning rods are movably arranged on the front side wall and the rear side wall of the cleaning shell. The two pushing positioning rods located on the same side are arranged at the left end and the right end of the same side wall respectively, a synchronous plate is arranged between the two pushing positioning rods on the same side and connected with a piston rod on an air cylinder, the air cylinder is fixed to the cleaning shell, and four rotating rods are rotationally arranged on the periphery of the top wall of the cleaning shell. A positioning plate is horizontally arranged on the portion, located in the cleaning shell, of the rotating rod, the portion, located outside the cleaning shell, of the rotating rod is connected with a 90-degree rotating motor, and the 90-degree rotating motor is fixed to the cleaning shell. The positioning device is simple in structure and high in positioning precision, and the positioning precision cannot be reduced due to the impact of liquid or gas.

Description

TECHNICAL FIELD

[0001] The utility model relates to cleaning equipment field especially relates to positioning mechanism in blind hole cleaning device. BACKGROUND

[0002] In high-precision industry such as automobile manufacturing, aerospace, precision machinery, in order to make the plate-shaped parts have high reliability and high cleaning, need to use blind hole cleaning device to clean the blind hole in plate-shaped parts. When cleaning the blind hole in plate-shaped parts, the cleaning head in the blind hole cleaning device needs to be aligned with the blind hole one by one, and the cleaning head sprays high-pressure liquid or gas for impact after extending into the blind hole, so as to remove the dirt in the blind hole. In order to make the cleaning head align with the blind hole one by one, the plate-shaped parts need to be positioned. At present, coordinate measuring machine or other positioning technology is generally used for positioning on the market. After positioning, the plate-shaped parts are limited and fixed by the clamping mechanism. The positioning mechanism is expensive, and these positioning mechanisms need to be set in the cleaning shell of the blind hole cleaning device to realize the positioning function. However, these positioning mechanisms are easily damaged after being subjected to high-pressure impact of liquid or gas for a long time. After being damaged, not only the positioning accuracy is reduced, but also the clamping mechanism cannot be effectively matched, resulting in clamping failure. SUMMARY

[0003] The utility model aims at providing a positioning mechanism in blind hole cleaning device which has simple structure and can position and clamp plate-shaped parts with high precision.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of: the positioning mechanism in blind hole cleaning device, comprising: a cleaning shell, an inlet and outlet are arranged on the right side wall of the cleaning shell, a plurality of supporting rods are vertically arranged upwards on the inner bottom wall of the cleaning shell, two top-pushing positioning rods are movably arranged on the front and rear side walls of the cleaning shell, the two top-pushing positioning rods on the same side are arranged on the left and right ends of the same side wall, a synchronous plate is arranged between the two top-pushing positioning rods on the same side, the synchronous plate is connected with the piston rod of the air cylinder, the air cylinder is fixed on the outer side wall of the cleaning shell, four rotating rods are rotatably arranged around the top wall of the cleaning shell, a positioning plate is horizontally arranged on the rotating rod in the cleaning shell, and the rotating rod outside the cleaning shell is connected with a 90° rotating motor, and the 90° rotating motor is fixed on the outer top wall of the cleaning shell.

[0005] Further, the aforementioned positioning mechanism in blind hole cleaning device, wherein a threaded rubber pad is threadedly connected to the end wall of the top-pushing positioning rod.

[0006] Further, the aforementioned positioning mechanism in blind hole cleaning device, wherein a locking nut is threadedly connected to the threaded rubber pad, and the locking nut abuts against the end wall of the top-pushing positioning rod.

[0007] Furthermore, in the positioning mechanism of the aforementioned blind hole cleaning device, a rubber column with a screw hole is threadedly connected to the top of the support rod, and an arc-shaped top is provided on the rubber column.

[0008] Furthermore, the positioning mechanism in the aforementioned blind hole cleaning device, wherein the connection structure between the positioning plate and the rotating rod is: a screw is extended downward from the lower end of the rotating rod, a plane is provided on the lower end side wall of the rotating rod, the positioning plate is mounted on the screw, one side wall of the positioning plate rests on the plane of the rotating rod, a connecting nut is threadedly connected to the screw, and the connecting nut is screwed and rests on the positioning plate.

[0009] Furthermore, the positioning mechanism in the aforementioned blind hole cleaning device, wherein the connection structure between the push positioning rod and the cleaning shell is: a mounting hole is provided on the cleaning shell, a linear bearing seat with a linear bearing is sealed and connected in the mounting hole, a first sealing ring is provided in the linear bearing seat, and the push positioning rod is passed through the linear bearing and sealed and fitted with the first sealing ring.

[0010] Furthermore, the positioning mechanism in the aforementioned blind hole cleaning device, wherein the connection structure between the rotating rod and the cleaning shell is: a mounting hole is provided on the top wall of the cleaning shell, a ball bearing seat with a ball bearing is sealed in the mounting hole, a second sealing ring is provided in the ball bearing seat, the rotating rod is passed through the ball bearing and is sealed with the second sealing ring, an inverted U-shaped motor seat is provided above the ball bearing seat, a 90° rotating motor is provided on the inverted U-shaped motor seat, and the piston rod on the 90° rotating motor is connected to the rotating rod through a coupling.

[0011] Furthermore, in the positioning mechanism of the aforementioned blind hole cleaning device, the two cylinders on the left and right sides of the cleaning shell are connected to the same air source through air pipes.

[0012] The advantages of the present invention are: simple structure, by rotating the rotating rod, the positioning plates on the four rotating rods are respectively pressed against the left and right side walls of the plate-shaped part to position the left and right positions of the plate-shaped part, and by driving the pushing positioning rods on the front and rear sides, the front and rear positions of the plate-shaped part can be positioned, so that the plate-shaped part can be accurately positioned, and after the positioning is completed, the positioning plates and the pushing positioning rods will always press against the plate-shaped part to clamp the plate-shaped part to prevent the plate-shaped part from shaking during the cleaning process. Since the 90° rotating motor that drives the rotating rod and the cylinder that drives the pushing positioning rod are both arranged on the outer wall of the cleaning shell, the 90° rotating motor and the cylinder will not be affected by the high-pressure impact of liquid or gas, and will not affect the positioning and clamping accuracy of the positioning plates and the pushing positioning rods on the plate-shaped part. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of the positioning mechanism in the blind hole cleaning device described in the utility model.

[0014] Figure 2 yes Figure 1 Schematic diagram of the planar structure from the top view direction.

[0015] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure in the AA direction.

[0016] Figure 4 yes Figure 2 Schematic diagram of the cross-sectional structure in the middle BB direction.

[0017] Figure 5 It is a structural diagram of positioning plate parts by positioning plates and push-pushing positioning rods after removing part of the cleaning shell. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

[0019] like Figures 1 to 5As shown, the positioning mechanism in the blind hole cleaning device of the present invention includes: a cleaning shell 1, an inlet and outlet 11 is provided on the right side wall of the cleaning shell 1, a plurality of support rods 2 are vertically provided on the inner bottom wall of the cleaning shell 1, a rubber column 21 with a screw hole is threadedly connected to the top of the support rod 2, and an arc-shaped top is provided on the rubber column 21. When the rubber column 21 contacts the part, it can prevent the surface of the part from being scratched. By providing the arc-shaped top, the friction between the rubber column 21 and the part can be reduced, and the plate-like part can be adjusted and positioned. When the cleaning shell 1 is in operation, the plate-like parts can be easily moved on the rubber column 21. Two mounting holes are provided on the front and rear side walls of the cleaning shell 1. The two mounting holes on the same side wall are arranged horizontally. A linear bearing seat 3 with a linear bearing 31 is sealed in the mounting hole of the side wall of the cleaning shell 1. A first sealing ring 32 is provided in the linear bearing seat 3. A push positioning rod 33 is slidably provided in the linear bearing 31. The push positioning rod 33 is sealed with the first sealing ring 32 to prevent the cleaning liquid in the cleaning shell 1 from flowing along the push positioning rod 33. The threaded rubber pad 331 is threadedly connected to the end wall of the pushing and positioning rod 33 located in the cleaning shell 1. When the plate-like parts are pushed by the threaded rubber pad 331, scratches on the plate-like parts can be prevented. Moreover, when the threaded rubber pad 331 is worn, it can be quickly replaced. A locking nut is threadedly connected to the threaded rubber pad 331. The locking nut rests on the end wall of the pushing and positioning rod 33 to play a locking role, preventing the threaded rubber pad 331 from being scratched during the pushing process. In case of looseness, a synchronization plate 34 is provided between the two pushing and positioning rods 33 on the same side. The synchronization plate 34 is connected to the piston rod on the cylinder 35. The cylinder 35 is fixed to the outer wall of the cleaning shell 1. The two cylinders 35 on the left and right sides of the cleaning shell 1 are connected to the same air source through an air pipe. In this way, when the air source is turned on, the two cylinders 35 can simultaneously drive the pushing and positioning rods 33 on their corresponding sides to push or reset, thereby ensuring that the pushing and positioning rods 33 on the front and rear sides of the cleaning shell 1 have the same stroke and the same corresponding speed.

[0020] Four mounting holes are arranged around the top wall of the cleaning shell 1, a ball bearing seat 4 with a ball bearing 41 is sealingly arranged in the mounting hole of the top wall of the cleaning shell 1, a second sealing ring 42 is arranged in the ball bearing seat 4, a rotating rod 43 is arranged in the ball bearing 41 and sealingly abuts against the second sealing ring 42 to prevent the cleaning liquid in the cleaning shell 1 from entering the ball bearing seat 4 along the rotating rod 43 to damage the ball bearing 41, the lower end of the rotating rod 43 extends into the cleaning shell 1, a screw rod is arranged on the lower end of the rotating rod 43, a flat surface is arranged on the side wall of the lower end of the rotating rod 43, a positioning plate 44 is sleeved on the screw rod, one side wall of the positioning plate 44 abuts against the flat surface of the rotating rod 43 to be in a horizontal state, a connecting nut is threadedly connected on the screw rod and abuts against the positioning plate 44 to lock the positioning plate 44, the positioning plate 44 cooperates with the flat surface of the rotating rod 43 to prevent the positioning plate 44 from rotating, a reverse U-shaped motor seat 5 is arranged above each ball bearing seat 4 and is fixed on the outer top wall of the cleaning shell 1, a 90° rotating motor 51 is arranged on the reverse U-shaped motor seat 5, and a piston rod on the 90° rotating motor 51 is connected with the rotating rod 43 through a shaft coupling, so that the rotating angle of the positioning plate 44 on the rotating rod 43 can be limited to improve the positioning accuracy of the positioning plate 44 on the plate-shaped part.

[0021] In use, the 90° rotating motor 51 drives the corresponding rotating rod 43 to rotate 90°, so that one end of the positioning plate 44 on the rotating rod 43 rotates away from the supporting rod 2, the positioning rod 33 is driven by the corresponding cylinder 35 to move away from the supporting rod 2, the plate-shaped part is sent into the cleaning shell 1 by a mechanical hand or other conveying equipment and abuts against the supporting rod 2, the four 90° rotating motors 51 drive the corresponding rotating rods 43 to reverse 90°, and one end of the positioning plate 44 on the four rotating rods 43 reversely rotates and abuts against the left and right side walls of the plate-shaped part, so that the left and right directions of the plate-shaped part are positioned, then the two cylinders 35 are started at the same time, the two cylinders 35 drive the corresponding two positioning rods 33 through the synchronization plate 34 to push the plate-shaped part on the supporting rod 2, since the operating strokes of the cylinders 35 on the front and rear sides are the same under the same air source and the starting speeds are also the same, after the four positioning rods 33 on the front and rear sides push the plate-shaped part to the position, the front and rear directions of the plate-shaped part are positioned, at this time, after the four directions of the plate-shaped part are positioned, the positioning rod 33 and the positioning plate 44 abut against the plate-shaped part to limit and fix the plate-shaped part, so that the cleaning head arranged in the cleaning shell 1 is aligned with the blind hole in the plate-shaped part one by one, so that the blind hole in the plate-shaped part is cleaned, the plate-shaped part fixed by the limiting and fixing does not shake in the cleaning process, and the cleaning efficiency and cleaning quality of the blind hole are further improved.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. The positioning mechanism in the blind hole cleaning device includes: The cleaning shell is characterized in that: an inlet and an outlet are provided on the right side wall of the cleaning shell, a plurality of support rods are vertically arranged on the inner bottom wall of the cleaning shell, two pushing and positioning rods are movably provided on the front and rear side walls of the cleaning shell, the two pushing and positioning rods located on the same side are respectively arranged at the left and right ends of the same side wall, a synchronization plate is provided between the two pushing and positioning rods on the same side, the synchronization plate is connected to the piston rod on the cylinder, the cylinder is fixed to the outer side wall of the cleaning shell, four rotating rods are rotatably provided around the top wall of the cleaning shell, a positioning plate is horizontally provided on the rotating rod located inside the cleaning shell, the rotating rod located outside the cleaning shell is connected to the 90° rotating motor, and the 90° rotating motor is fixed to the outer top wall of the cleaning shell.

2. The positioning mechanism in the blind hole cleaning device according to claim 1, characterized in that: A threaded rubber pad is threadedly connected to the end wall of the pushing and positioning rod located in the cleaning shell.

3. The positioning mechanism in the blind hole cleaning device according to claim 2, characterized in that: A locking nut is threadedly connected to the threaded rubber pad, and the locking nut rests on the end wall of the push positioning rod.

4. The positioning mechanism in the blind hole cleaning device according to claim 1, characterized in that: A rubber column with a screw hole is threadedly connected to the top of the support rod, and an arc-shaped top is arranged on the rubber column.

5. The positioning mechanism in the blind hole cleaning device according to claim 1, characterized in that: The connection structure between the positioning plate and the rotating rod is as follows: a screw is extended downward from the lower end of the rotating rod, a plane is provided on the side wall of the lower end of the rotating rod, the positioning plate is sleeved on the screw, one side wall of the positioning plate rests on the plane of the rotating rod, a connecting nut is threadedly connected to the screw, and the connecting nut is screwed and rests on the positioning plate.

6. The positioning mechanism in the blind hole cleaning device according to claim 1, characterized in that: The connection structure between the push positioning rod and the cleaning shell is: a mounting hole is provided on the cleaning shell, a linear bearing seat with a linear bearing is sealed in the mounting hole, a first sealing ring is provided in the linear bearing seat, the push positioning rod is passed through the linear bearing and is sealed with the first sealing ring.

7. The positioning mechanism in the blind hole cleaning device according to claim 1, characterized in that: The connection structure between the rotating rod and the cleaning shell is as follows: a mounting hole is provided on the top wall of the cleaning shell, a ball bearing seat with a ball bearing is sealed in the mounting hole, a second sealing ring is provided in the ball bearing seat, the rotating rod is passed through the ball bearing and is sealed with the second sealing ring, an inverted U-shaped motor seat is provided above the ball bearing seat, a 90° rotating motor is provided on the inverted U-shaped motor seat, and the piston rod on the 90° rotating motor is connected to the rotating rod through a coupling.

8. The positioning mechanism in the blind hole cleaning device according to claim 1, characterized in that: The two cylinders on the left and right sides of the cleaning shell are connected to the same air source through air pipes.

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