Turnover mechanism for manual sand blasting

Abstract

The utility model discloses a turnover mechanism for manual sand blasting. The turnover mechanism comprises a turnover frame, the front wall and the rear wall of the overturning frame are rotationally connected with evenly-distributed studs through bearings, the ends, close to the center of the overturning frame, of the studs are in threaded connection with threaded cylinders, the ends, close to the center of the overturning frame, of the threaded cylinders are provided with longitudinal limiting bases, and the sides, close to the center of the overturning frame, of the longitudinal limiting bases are provided with sliding grooves. The turnover mechanism comprises a turnover frame, a plurality of sliding grooves are formed in the turnover frame, vertical limiting seats which are evenly distributed are slidably connected to the interiors of the sliding grooves, rubber pads are arranged on the sides, close to the center of the turnover frame, of the longitudinal limiting seats and the sides, close to the center of the turnover frame, of the vertical limiting seats, bidirectional lead screws are rotationally connected to the interiors of the sliding grooves through bearings, and the vertical limiting seats are in threaded connection with the adjacent bidirectional lead screws. And through the transmission element, the workpiece can be completely limited during sand blasting and overturning, the workpiece is prevented from loosening in the sand blasting and overturning process, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand blasting machine turnover technical field, concretely is a kind of turnover mechanism for manual sand blasting. BACKGROUND

[0002] Sand blasting is to use compressed air as power to form high-speed jet beam, and high-speed abrasive is sprayed to the surface of workpiece to be processed, so that the outer surface of workpiece is physically changed to meet the quality requirements. Some factories usually choose manual sand blasting machine due to limited funds or small processing batch. Manual sand blasting machine needs to adjust the sand blasting surface of workpiece through turnover mechanism during sand blasting process. Some turnover mechanisms for manual sand blasting include transmission unit and two supporting and clamping units. The transmission unit includes servo motor, driving gear and transmission gear. The output shaft of servo motor is connected with driving gear. Driving gear is located below transmission gear and engaged with it. The supporting and clamping unit includes base, carrier, driven gear and supporting plate arranged on both sides of base. Uniformly distributed threaded rods are rotatably connected on the inner wall of carrier. The other end of threaded rod is threadedly connected with telescopic rod. The other end of telescopic rod is provided with clamping head. Rotating shafts are arranged in the middle of both sides of carrier. Carrier and supporting plate are rotatably connected through rotating shafts. Driven gear is fixed on rotating shaft and located between carrier and supporting plate. Driven gear is engaged with transmission gear. This technical solution can realize automatic forward and reverse turnover of workpiece without relying on manual turnover of carrier, reduce labor intensity of workers and improve work efficiency. However, when the device turns over and fixes workpiece during sand blasting, threaded rod rotates through threaded connection to make telescopic rod drive clamping head to longitudinally move to longitudinally clamp the front and back sides of workpiece. Workpiece needs to withstand high-speed impact of abrasive during sand blasting process. Workpiece is clamped and fixed through longitudinal clamping. Limiting is not firm enough, and loosening phenomenon may occur during sand blasting process. It needs to be improved. CONTENT OF UTILITY MODEL

[0003] The utility model solves the technical problem of overcoming the defects of the prior art and provides a turnover mechanism for manual sand blasting. The device can completely limit the sand blasting and turnover of workpiece through transmission element, avoid loosening phenomenon of workpiece during sand blasting and turnover process, is convenient to use, and can effectively solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a turnover mechanism for manual sand blasting, including turnover frame.

[0005] The front and back walls of the turnover frame are both rotatably connected with uniformly distributed studs through bearings, the ends of the studs close to the center of the turnover frame are all threadedly connected with threaded barrels, the ends of the threaded barrels close to the center of the turnover frame are all provided with longitudinal limit seats, the sides of the longitudinal limit seats close to the center of the turnover frame are all provided with sliding grooves, the interiors of the sliding grooves are all slidably connected with uniformly distributed vertical limit seats, the sides of the longitudinal limit seats and the vertical limit seats close to the center of the turnover frame are all provided with rubber pads, the device can completely limit the sand blasting turnover of the workpiece through the transmission element, the loosening phenomenon of the workpiece in the sand blasting turnover process is avoided, and the device is convenient to use.

[0006] Further, the interiors of the sliding grooves are rotatably connected with bidirectional screws through bearings, the vertical limit seats are all threadedly connected with adjacent bidirectional screws, and the two vertical limit seats are threadedly connected to vertically clamp and limit the sand blasting turnover of the workpiece.

[0007] Further, the ends of the studs away from the center of the turnover frame and the upper ends of the bidirectional screws are all provided with hand wheels, so that the rotation torque of the studs and the bidirectional screws can be conveniently applied.

[0008] Further, the longitudinal limit seats and the turnover frame are all provided with uniformly distributed telescopic rods, so that the self-rotation phenomenon of the longitudinal limit seats in the longitudinal movement process is avoided.

[0009] Further, the left and right sides of the turnover frame are all provided with turnover shafts, the ends of the turnover shafts away from the center of the turnover frame are all rotatably connected with mounting seats through bearings, the right side of the mounting seat on the right side is provided with a low-speed motor, the input end of the low-speed motor is electrically connected with the output end of an external single-chip microcomputer, and the output shaft of the low-speed motor is fixedly connected with the turnover shaft on the right side, so that power is provided for the device to turn over the workpiece in the sand blasting process.

[0010] Further, an angle sensor is further included, the angle sensor is arranged on the left side of the mounting seat on the right side, the angle sensor is bidirectionally electrically connected with the external single-chip microcomputer, and the angle sensor is cooperatively arranged with the turnover shaft on the right side to detect and upload the angle of the turnover of the workpiece in the sand blasting process.

[0011] Further, the middle parts of the turnover shafts are all provided with auxiliary turnover rods, the auxiliary turnover rods are all fixedly connected with the turnover frame through uniformly distributed fixing shafts, the auxiliary turnover rods are used for auxiliary support in the sand blasting turnover process of the workpiece, and the turnover stability is improved.

[0012] Compared with the prior art, the turnover mechanism for manual sand blasting has the following advantages:

[0013] When the turnover mechanism using manual sand blasting is used, the workpiece is placed between two longitudinally adjacent longitudinal limiting seats, then the corresponding hand wheel is rotated to drive the threaded cylinder to move longitudinally through threaded connection, the threaded cylinder drives the longitudinal limiting seat to move longitudinally to press and limit the workpiece in the longitudinal direction, then the corresponding hand wheel is rotated to rotate the bidirectional screw rod, the bidirectional screw rod drives the vertical limiting seat to limit the workpiece in the vertical direction through threaded connection, the rubber pad increases the contact friction force to avoid the transverse relative sliding phenomenon of the workpiece and the limiting part, so that the workpiece is completely limited, and the workpiece is prevented from loosening during subsequent sand blasting and turnover due to insufficient fixation, the turnover mechanism for manual sand blasting can completely limit the sand blasting and turnover of the workpiece through the transmission element, the workpiece is prevented from loosening during sand blasting and turnover, and the turnover mechanism for manual sand blasting is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structure schematic view of the utility model;

[0015] Fig. 2 It is an enlarged structure schematic view of A in the utility model.

[0016] In the figure: 1 mounting seat, 2 turnover shaft, 3 turnover frame, 4 stud, 5 threaded cylinder, 6 longitudinal limiting seat, 7 vertical limiting seat, 8 bidirectional screw rod, 9 rubber pad, 10 hand wheel, 11 telescopic rod, 12 auxiliary turnover rod, 13 fixed shaft, 14 low-speed motor, 15 angle sensor. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection of the utility model.

[0018] Please refer to Figs. 1-2 The embodiment provides a technical scheme: a turnover mechanism for manual sand blasting, which comprises a turnover frame 3.

[0019] The front and back walls of the turnover frame 3 are both rotatably connected with uniformly distributed studs 4 through bearings, one end of the stud 4 close to the center of the turnover frame 3 is threadedly connected with a threaded cylinder 5, one end of the threaded cylinder 5 close to the center of the turnover frame 3 is provided with a longitudinal limiting seat 6, one side of the longitudinal limiting seat 6 close to the center of the turnover frame 3 is provided with a sliding groove, the inside of the sliding groove is slidably connected with uniformly distributed vertical limiting seats 7, one side of the longitudinal limiting seat 6 and the vertical limiting seat 7 close to the center of the turnover frame 3 is provided with a rubber pad 9, the inside of the sliding groove is rotatably connected with a bidirectional lead screw 8 through a bearing, the vertical limiting seat 7 is threadedly connected with the adjacent bidirectional lead screw 8, one end of the stud 4 away from the center of the turnover frame 3 and the upper end of the bidirectional lead screw 8 are provided with a hand wheel 10, the longitudinal limiting seat 6 and the turnover frame 3 are both provided with uniformly distributed telescopic rods 11, first, the device is installed to the designated position on the manual sand blasting machine through the mounting seat 1, when in use, the workpiece is placed between two longitudinally adjacent longitudinal limiting seats 6, then the corresponding hand wheel 10 is rotated to drive the stud 4 to move longitudinally through threaded connection, the threaded cylinder 5 drives the longitudinal limiting seat 6 to move longitudinally to limit the longitudinal sand blasting of the workpiece, the telescopic end of the telescopic rod 11 is self-adapting telescopic, so as to avoid the self-rotation phenomenon of the longitudinal limiting seat 6 during longitudinal movement, then the corresponding hand wheel 10 is rotated to rotate the bidirectional lead screw 8, the bidirectional lead screw 8 is threadedly connected to make the vertical limiting seat 7 limit the vertical sand blasting of the workpiece, the rubber pad 9 increases the contact friction to avoid the transverse relative sliding phenomenon of the workpiece and the limiting part, so as to realize the complete limiting of the workpiece, avoid the loosening phenomenon of the workpiece during subsequent sand blasting turnover due to insufficient fixation, the turnover mechanism for manual sand blasting can completely limit the sand blasting turnover of the workpiece through the transmission element, avoid the loosening phenomenon of the workpiece during sand blasting turnover, and is convenient to use;

[0020] Wherein, the left and right sides of the turnover frame 3 are provided with turnover shafts 2, one end of the turnover shaft 2 away from the center of the turnover frame 3 is rotatably connected with a mounting seat 1 through a bearing, the right side of the mounting seat 1 is provided with a low-speed motor 14, the input end of the low-speed motor 14 is electrically connected with the output end of an external single-chip microcomputer, the output shaft of the low-speed motor 14 is fixedly connected with the right side of the turnover shaft 2, and the turnover shaft 2 is provided with an auxiliary turnover rod 12 in the middle part, the auxiliary turnover rod 12 is fixedly connected with the turnover frame 3 through uniformly distributed fixing shafts 13, when the workpiece is turned in the manual sand blasting machine, the external single-chip microcomputer starts the low-speed motor 14 to drive the output shaft to rotate the right side of the turnover shaft 2 at low speed, so that the workpiece sand blasting turning operation is performed, in the process, the auxiliary turnover rod 12 and the fixing shaft 13 assist and support the turning of the turnover frame 3, the turning operation stability of the turnover frame 3 is improved, meanwhile, the external single-chip microcomputer starts the angle sensor 15, the angle sensor 15 adopts a high-performance integrated magnetic sensitive element, the non-contact characteristic of the magnetic signal sensing is utilized to measure the rotation angle of the turnover shaft 2, and the measurement result is transmitted to the external single-chip microcomputer in the form of an electric signal, so that the turning angle of the turnover frame 3 is monitored.

[0021] The working principle of the turnover mechanism for manual sand blasting provided by the utility model is as follows: firstly, the device is installed to the specified position on the manual sand blasting machine through the mounting seat 1, when in use, the workpiece is placed between the two longitudinally adjacent longitudinal limiting seats 6, then the corresponding hand wheel 10 is rotated to drive the threaded cylinder 5 to move longitudinally through the threaded connection of the stud 4, the longitudinal limiting seat 6 drives the threaded cylinder 5 to move longitudinally to limit the workpiece in the longitudinal sand blasting extrusion, the telescopic end of the telescopic rod 11 is self-adapting telescopic, so that the self-rotation phenomenon of the longitudinal limiting seat 6 in the longitudinal movement process is avoided, then the corresponding hand wheel 10 is rotated to rotate the bidirectional screw 8, the bidirectional screw 8 drives the vertical limiting seat 7 to limit the workpiece in the vertical sand blasting through the threaded connection, the rubber pad 9 increases the contact friction force to avoid the horizontal relative sliding phenomenon of the workpiece and the limiting part, so that the complete limiting of the workpiece is realized, the loosening phenomenon caused by the insufficient fixing is avoided, when the workpiece is turned in the manual sand blasting machine, the external single-chip microcomputer starts the low-speed motor 14 to drive the output shaft to rotate the right side of the turnover shaft 2 at low speed, so that the workpiece sand blasting turning operation is performed, in the process, the auxiliary turnover rod 12 and the fixing shaft 13 assist and support the turning of the turnover frame 3, the turning operation stability of the turnover frame 3 is improved, meanwhile, the external single-chip microcomputer starts the angle sensor 15, the angle sensor 15 adopts a high-performance integrated magnetic sensitive element, the non-contact characteristic of the magnetic signal sensing is utilized to measure the rotation angle of the turnover shaft 2, and the measurement result is transmitted to the external single-chip microcomputer in the form of an electric signal, so that the turning angle of the turnover frame 3 is monitored.

[0022] It is worth noting that the low-speed motor 14 disclosed in the above embodiment can adopt D140TYD, and the angle sensor 15 can adopt HSM22M multi-turn non-contact magnetic sensitive potentiometer.

[0023] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A tilting mechanism for manual sandblasting, characterized in that: Including the flip frame (3); Flip frame (3): Both its front and rear walls are rotatably connected by bearings with evenly distributed studs (4). The studs (4) are threaded to the end near the center of the flip frame (3) with threaded cylinders (5). The threaded cylinders (5) are provided with longitudinal limiting seats (6) near the center of the flip frame (3). The longitudinal limiting seats (6) are provided with a sliding groove on the side near the center of the flip frame (3). The sliding groove is slidably connected with evenly distributed vertical limiting seats (7). The longitudinal limiting seats (6) and the vertical limiting seats (7) are provided with rubber pads (9) on the side near the center of the flip frame (3). The interior of each slide is rotatably connected to a bidirectional lead screw (8) via a bearing, and the vertical limit seat (7) is threadedly connected to the adjacent bidirectional lead screw (8). The longitudinal limiting seat (6) and the flip frame (3) are both provided with evenly distributed telescopic rods (11).

2. The flipping mechanism for manual sandblasting according to claim 1, characterized in that: Handwheels (10) are provided at the end of the stud (4) away from the center of the flip frame (3) and at the upper end of the bidirectional lead screw (8).

3. The flipping mechanism for manual sandblasting according to claim 1, characterized in that: The flip frame (3) is provided with flip shafts (2) on both the left and right sides. The end of the flip shaft (2) away from the center of the flip frame (3) is rotatably connected to the mounting base (1) through the bearing. The right side of the mounting base (1) is provided with a low speed motor (14). The input end of the low speed motor (14) is electrically connected to the output end of the external microcontroller. The output shaft of the low speed motor (14) is fixedly connected to the flip shaft (2) on the right side.

4. The tilting mechanism for manual sandblasting according to claim 3, characterized in that: It also includes an angle sensor (15), which is located on the left side of the mounting base (1) on the right side. The angle sensor (15) is bidirectionally electrically connected to an external microcontroller and is installed in conjunction with the flip shaft (2) on the right side.

5. A tilting mechanism for manual sandblasting according to claim 4, characterized in that: Each of the flipping shafts (2) is provided with an auxiliary flipping rod (12) in the middle. The auxiliary flipping rods (12) are all fixedly connected to the flipping frame (3) through evenly distributed fixed shafts (13).

Images