CN106239379A - The horizontal automatic ball blast production line of steel band - Google Patents

Abstract

The invention discloses a steel strip horizontal automatic shot blasting production line, which includes a steel strip unwinding device connected to several shot blasting units, a steel strip flattening device, a drying box, a cooling device, a rotating device, a dustproof device and a winding device , the steel belt is conveyed between the above equipment through several transmission rollers; the production line also includes at least two shot blasting units connected in series, with a gap of at least 30cm between the two sets of shot blasting units, and each shot blasting unit includes a closed box , shot blasting box and steel shot collection device; the wide side of the steel strip is vertically transmitted in the closed box; the closed box is symmetrically provided with a number of left nozzles and right sides along the transmission direction of the steel strip. Nozzles; the shot blasting direction of each group of left and right nozzles is opposite respectively. The steel belt shot blasting machine of the present invention improves the efficiency and quality of steel belt shot blasting, and facilitates timely maintenance and maintenance of steel shots during the processing process.

Description

Steel strip horizontal automatic shot blasting production line

technical field

The invention relates to the technical field of steel strip shot blasting, in particular to a steel strip horizontal automatic shot blasting production line.

Background technique

The existing steel belt shot blasting machine is mainly a vertical shot blasting machine. The advantages of the vertical shot blasting machine are: small space occupation, timely cleaning of the internal stress of the steel belt, improvement of the fatigue resistance of the workpiece, and an increase in the stress of the workpiece when it is painted. Paint adhesion, and ultimately achieve the purpose of improving the surface and internal quality of the workpiece.

However, when the existing vertical shot blasting machine is used to process the steel strip, the surface of the steel strip is discolored, the internal stress of the steel strip is not concentrated, the fatigue resistance of the workpiece is poor, the adhesion of the paint is poor, and the surface and internal quality of the workpiece are poor. Because for the steel belt, it is characterized by slender continuous parts. It uses a vertical shot blasting machine to blast the steel belt during shot blasting. The quality of the steel belt obtained is poor, and the shot blasting effect is not good. The belt needs to be repeatedly bent and stretched, which also has a certain impact on the performance of the steel belt.

Contents of the invention

In order to overcome the deficiencies of the above-mentioned prior art, the present invention provides a steel strip horizontal automatic shot blasting production line. The steel belt and equipment are adjusted in time.

The technical scheme adopted in the present invention is: a steel strip horizontal automatic shot blasting production line, including a steel strip unwinding device connected to the steel strip inlet direction of several shot blasting units, a steel strip flattening device, a drying box, a cooling device and The rotating device, the production line also includes a dust-proof device and a winding device connected to the steel belt output direction of several shot blasting units, and the steel belt is conveyed by a number of transmission rollers between the above-mentioned equipment; the rotating device includes a group of horizontal rollers connected in sequence, At least one set of inclined pair of rollers and one set of vertical pair of rollers, the steel strip passes through the horizontal pair of rollers, at least one set of inclined pair of rollers and one set of vertical pair of rollers so as to realize the transmission state from horizontal transmission to vertical transmission; The steel belt of the roller passes through the channel to be inclined; in addition, several groups of shot blasting units are connected in series, and there is a gap of at least 30cm between each two groups of shot blasting units, and each shot blasting unit includes a closed box, shot blasting Box and steel shot collection device; the wide side of the steel belt is vertically transmitted in the closed box; the closed box is symmetrically equipped with several groups of shot blasting devices on the left and right sides of the transmission direction of the steel belt, each The group shot blasting device includes a left shot blasting machine and a right shot blasting machine which are respectively inclined. The shot blasting directions of two adjacent left nozzles of a group of shot blasting devices are respectively opposite, and the shot blasting directions of two adjacent right nozzles of each group of shot blasting devices are respectively opposite. The steel strip horizontal automatic shot blasting production line of the present invention adopts a horizontal shot blasting unit, and a number of transmission passes are automatically connected on both sides of the steel strip unwinding device, steel strip flattening device, drying box, The cooling device, rotating device, dust-proof device and winding device realize the automatic shot blasting of the steel strip and improve the efficiency of the steel strip shot blasting. Secondly, the production line of the present invention is provided with segmented horizontal shot blasting units, each unit is connected in series, and is provided with a gap of at least 30cm, on the one hand, it is convenient for the operator to track the shot blasting situation of each part of the steel strip in time, on the other hand , It is convenient for operators to maintain and monitor, and improves the efficiency and quality of steel strip shot blasting. In addition, the shot blasting directions of the two adjacent left shot blasting machines of each shot blasting device of the present invention are respectively opposite, and the shot blasting directions of the two adjacent right shot blasting machines of each group of shot blasting devices are respectively opposite, The most important thing is that the steel belt uses a rotating device to change it from the horizontal transmission state to the vertical transmission state, thus ensuring that the left shot blasting machine and the right shot blasting machine can simultaneously complete the blasting of the steel belt passing through it, ensuring that the Its steel belt surface can be shot blasted without dead angle in front, which improves the efficiency of shot blasting.

Further, there is also a brush plate between the steel strip flattening device and the drying box, the bottom of the brush plate is provided with a steel wire brush layer, and the brush plate is driven by a motor to rotate directly above the steel strip, thereby realizing the cleaning of the steel strip. Preliminary grinding of the belt, cleaning of dust or rust on it.

Further, the steel strip unwinding device includes a turntable, an inner shaft and an outer cover, the outer cover is fixed on the turntable parallel to the inner shaft, and the outer cover is provided with a gap facing the steel strip unwinding direction, and the steel strip passes through the notch, thereby realizing positioning and unwinding. To prevent the steel strip from being thrown out and hurting people.

Further, the steel strip can be adjusted to be conveyed in the closed box within a vertical range of 1-degree, which can ensure that the steel strip can be relatively complete during shot blasting without omission.

Further, each of the left shot blasting machine and the right shot blasting machine is connected to the side of the closed box with an inclination of 10 degrees to increase the contact area between the steel shot ejected by the shot blasting machine and the steel belt, and at the same time reduce the amount of steel shot The distance between the outlet and the steel strip ensures that the steel shot can still be sprayed on the steel strip with a relatively large force, thereby achieving the purpose of cleaning the surface of the steel strip.

Further, the outer surface of each left shot blasting machine and right shot blasting machine is provided with a mark on the direction of shot blasting rotation, which is marked as a clockwise rotation mark or a counterclockwise rotation mark, which is convenient for reasonable setting after later maintenance , to prevent misuse.

Further, the two ends of the closed box of each shot blasting unit for the steel belt to enter and exit are respectively provided with sequential sealing devices and vertical transmission rollers, and a vertical gap is provided between the vertical transmission rollers, and the steel belt passes from The shot blasting is transmitted from the vertical gap into the closed box; the sealing device includes the outer "eight"-shaped protective plates extending respectively to the two ends of the closed box, and the two ends of the steel belt conveyed in the closed box are respectively There are steel belt channels, and each steel belt channel is also equipped with a flexible sealing structure, so as to realize the necessary sealing and protection of both ends of the steel belt entrance and exit of the closed box. Injury to the operator, the outer "eight"-shaped protective plates extending from the two ends further enhance the protection and prevent a very small number of steel shots ejected from the flexible sealing structure.

Furthermore, the vertical transmission pair of rollers is fixed on the outer "eight"-shaped protective plate, and the spatial structure is relatively tight.

Further, the flexible sealing structure is one or more of kraft paper, foam, sponge or rubber.

Further, the steel shot box is fixed above the top of the closed box through a vertical beam, and the steel shot box is connected to the corresponding shot blasting machine of each group of shot blasting devices through a number of steel pipes, so that the structure of the shot blasting machine , taking up as little space as possible.

Further, the steel shot collecting device is arranged at the bottom of the closed box, and the shell of the steel shot collecting device has a trumpet-shaped cross-section along the steel belt conveying direction, and the steel shot is directly collected according to the gravity of the steel shot, so the structure is simple.

Furthermore, at least one observation window is provided on the airtight box, and the observation window is a rotating structure that can be opened or closed, which is convenient for daily maintenance and maintenance.

Compared with the prior art, the beneficial effects of the present invention are: the steel strip horizontal automatic shot blasting production line of the present invention adopts a horizontal shot blasting unit, and automatically connects the steel strips sequentially through several transmission passes on both sides. The unwinding device, steel strip flattening device, drying box, cooling device and rotating device, dustproof device and winding device realize the automatic shot blasting of steel strip and improve the efficiency of steel strip shot blasting. Secondly, the production line of the present invention is provided with segmented horizontal shot blasting units, each unit is connected in series, and is provided with a gap of at least 30cm, on the one hand, it is convenient for the operator to track the shot blasting situation of each part of the steel strip in time, on the other hand , It is convenient for operators to maintain and monitor, and improves the efficiency and quality of steel strip shot blasting. In addition, the shot blasting directions of the two adjacent left shot blasting machines of each shot blasting device of the present invention are respectively opposite, and the shot blasting directions of the two adjacent right shot blasting machines of each group of shot blasting devices are respectively opposite, The most important thing is that the steel belt uses a rotating device to change it from the horizontal transmission state to the vertical transmission state, thus ensuring that the left shot blasting machine and the right shot blasting machine can simultaneously complete the blasting of the steel belt passing through it, ensuring that the Its steel belt surface can be shot blasted without dead angle in front, which improves the efficiency of shot blasting.

Description of drawings

Fig. 1 is the structural representation of an embodiment of steel strip horizontal automatic shot blasting production line;

Fig. 2 is the three-dimensional structure schematic diagram of an embodiment of the shot blasting unit of steel band horizontal automatic shot blasting production line;

Fig. 3 is the structural representation of the shot blasting unit of the embodiment shown in Fig. 2;

Fig. 4 is a schematic diagram of the shot blasting direction of the shot blasting unit of the embodiment of Fig. 3;

Fig. 5 is a schematic diagram of an embodiment of the rotating device of the embodiment of Fig. 1;

Among them: 1-shot blasting unit, 2-steel belt, 3-shot blasting device, 4-left shot blasting machine, 5-right shot blasting machine, 6-left nozzle, 7-right nozzle, 8-closed box, 9-steel shot box, 10-steel shot collection device, 11-vertical beam, 12-steel pipe, 13-mark of shot blasting rotation direction, 14-sealing device, 15-vertical transmission roller, 16-vertical gap, 17-, 18-flexible sealing structure, 19-steel belt channel, 20-observation window, 21-steel belt unwinding device, 211-turntable, 212-inner shaft, 213-outer cover, 214-gap; 22-steel belt press Flat device, 23-drying box, 24-cooling device, 25-rotating device, 251-horizontal rollers, 252-inclined rollers, 253-vertical rollers; 26-dust-proof device, 27-winding device, 28-transmission roller, 29-hairbrush disc.

detailed description

In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments, which are only used to explain the present invention and do not limit the protection scope of the present invention.

As shown in Figure 1, the steel strip horizontal automatic shot blasting production line, the production line includes a steel strip unwinding device 21 connected to the steel strip 2 entrance direction of several shot blasting units 1, a steel strip flattening device 22, a drying box 23, The cooling device 24 and the rotating device 25, the production line also includes a dustproof device 26 and a winding device 27 connected to the steel strip output direction of several shot blasting units 1, and the steel strip 2 is conveyed by several drive rollers 28 between the above-mentioned equipment; 5, the rotating device 25 includes a group of horizontal pair of rollers 251, at least one group of inclined pair of rollers 252 and a group of vertical pair of rollers 253 connected in sequence, and the steel strip 2 passes through the horizontal pair of rollers 251, at least one group of inclined pair of rollers 252 and one group of vertical pair of rollers 253 so as to realize the transmission state from horizontal transmission to vertical transmission; the steel belt of inclined pair of rollers 252 passes through the passage for inclined setting; in addition, as shown in Figure 2, several groups of shot blasting units 1 It is connected in series, and there is at least a 30cm gap between each group of shot blasting units 1, and each shot blasting unit 1 includes a closed box 8, a shot blasting box 9 and a steel shot collection device 10; the wide side of the steel belt 2 Vertically in the closed casing 8; the closed casing 8 is symmetrically provided with several groups of shot blasting devices 3 along the left and right sides of the transmission direction of the steel strip 2, see Fig. 3 and Fig. 4, each The group shot blasting device 3 includes a left shot blasting machine 4 and a right shot blasting machine 5 which are respectively inclined. The right nozzle 7 is provided in the direction; the shot blasting directions of the two adjacent left nozzles 6 of each group of shot blasting devices 3 are respectively opposite, and the shot blasting directions of the adjacent two right nozzles 7 of each group of shot blasting devices 3 The directions are opposite. The steel strip horizontal automatic shot blasting production line of the present invention adopts a horizontal shot blasting unit, and a number of transmission passes are automatically connected on both sides of the steel strip unwinding device, steel strip flattening device, drying box, The cooling device, rotating device, dust-proof device and winding device realize the automatic shot blasting of the steel strip and improve the efficiency of the steel strip shot blasting. Secondly, the production line of the present invention is provided with segmented horizontal shot blasting units, each unit is connected in series, and is provided with a gap of at least 30 cm, preferably 50 cm. The shot blasting condition, on the other hand, is convenient for operators to maintain and monitor, improving the efficiency and quality of steel strip shot blasting. In addition, the shot blasting directions of the two adjacent left shot blasting machines of each shot blasting device of the present invention are respectively opposite, and the shot blasting directions of the two adjacent right shot blasting machines of each group of shot blasting devices are respectively opposite, The most important thing is that the steel belt uses a rotating device to change it from the horizontal transmission state to the vertical transmission state, thus ensuring that the left shot blasting machine and the right shot blasting machine can simultaneously complete the blasting of the steel belt passing through it, ensuring that the Its steel belt surface can be shot blasted without dead angle in front, which improves the efficiency of shot blasting.

It can also be seen from Fig. 1 that a brush plate 29 is also provided between the steel strip flattening device 22 and the drying box 23, and the bottom of the brush plate 29 is provided with a steel wire brush layer, and the brush plate 29 is driven by a motor to The steel belt 2 is rotated directly above, so as to realize the preliminary grinding of the steel belt and clean up dust or rust on it. The steel strip unwinding device 21 comprises a rotating disk 211, an inner shaft 212 and an outer cover 213, the outer cover 213 is fixed on the rotating disk 211 parallel to the inner shaft 212, and the outer cover 213 is provided with a gap 214 towards the steel strip unwinding direction, and the steel strip passes through the gap 214 Thread out, so as to realize the positioning and unwinding, and avoid the steel belt from being thrown out and hurting people. The steel strip 2 is adjustable in the range of 0-15 degrees in the vertical direction and is conveyed in the closed box 8, which can ensure that the steel strip can be relatively complete during shot blasting without omission.

In the above-mentioned embodiment, each of the left shot blasting machine 4 and the right shot blasting machine 5 is connected to the side of the closed box 8 with an inclination of 30-48 degrees respectively, so as to increase the amount of steel shot and steel strip ejected by the shot blasting machine. At the same time, the distance between the steel shot outlet and the steel belt is reduced, so as to ensure that the steel shot can still guarantee a large force after spraying on the steel belt, and then achieve the purpose of cleaning the surface of the steel belt.

As can be seen in Fig. 4, the outer surface of each left shot blasting machine 4 and right shot blasting machine 5 is provided with a mark 13 on the direction of shot blasting rotation, which is marked as a clockwise rotation mark or a counterclockwise rotation mark, which is convenient for the later stage Make reasonable settings after maintenance to prevent misoperation. The two ends of the closed box 8 of each shot blasting unit 1 for the steel belt 2 to enter and exit are respectively provided with a sealing device 14 and a vertical transmission pair of rollers 15, and a vertical gap 16 is provided between the vertical transmission pair of rollers 15 , the steel strip 2 is sent from the vertical gap 16 into the closed box 8 for shot blasting; the sealing device 14 includes an outer "eight"-shaped protective plate 17 extending to the two ends of the closed box 8 respectively, and the airtight The two ends of the conveying steel belt of the box body 8 are respectively provided with a steel belt channel 19, and each steel belt channel 19 is also provided with a flexible sealing structure 18, thereby realizing the necessary inspection of both ends of the steel belt inlet and outlet of the closed box body 8. The sealing and protection, the function of the sealing is mainly to prevent the steel shot from spraying out and hurting the operator. The outer "eight"-shaped protective plate 17 extending from the two ends further enhances the protective effect and prevents very few from the flexible sealing structure 18 Sprayed steel shot. The vertical transmission pair of rollers 15 is fixed on the outer "eight" font protection plate 17, and the spatial structure is relatively tight. The flexible sealing structure 18 is one or more of kraft paper, foam, sponge or rubber.

In the above-mentioned embodiment, the steel shot box 9 is fixed above the top of the steel shot box 9 by the vertical beam 11 arranged on the closed box body 8, and the steel shot box 9 is connected to the corresponding shot blasting device 3 of each group of shot blasting devices 3 through several steel pipes 12. On the shot blasting machine, the structure of the shot blasting machine is rhythmic and occupies as little space as possible.

In the above-described embodiment, the steel shot collecting device 10 is arranged at the bottom of the closed box body 8, and the shell of the steel shot collecting device 10 has a trumpet-like structure along the cross-section of the steel belt conveying direction, and directly collects the steel shot according to the gravitational effect of the steel shot. Steel shot, simple structure.

In the above embodiment, at least one observation window 20 is provided on the airtight box body 8, and the observation window 20 is a rotating structure that can be opened or closed, which is convenient for daily maintenance and maintenance.

The horizontal steel belt shot blasting machine of the present invention improves the automation, production efficiency and quality of steel belt shot blasting, and facilitates timely maintenance and maintenance of steel shots during the processing process, and timely adjustment of steel belts and equipment.

The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. Those skilled in the art can easily comprehend the spirit of the present invention based on the above-mentioned embodiments, and make different extensions and changes. But as long as it does not deviate from the spirit of the present invention, it is within the protection scope of the present invention.

Claims (10)

1. The steel strip horizontal automatic shot blasting production line is characterized in that the production line includes a steel strip unwinding device (21) and a steel strip flattening device ( 22), a drying box (23), a cooling device (24) and a rotating device (25), and the production line also includes a dust-proof device (26) connected to the steel belt output direction of several shot blasting units (1) and a collection Coil device (27), the steel strip (2) is conveyed through several driving rollers (28) between the above equipment; the rotating device (25) includes a group of horizontal pair of rollers (251) connected in sequence, at least one group of inclined pair of rollers (252) and a set of vertical pair of rollers (253), the steel strip (2) passes through the horizontal pair of rollers (251), at least one set of inclined pair of rollers (252) and a set of vertical pair of rollers (253) so that Realize the transmission state from horizontal transmission to vertical transmission; the steel belt of the inclined pair of rollers (252) passes through the channel to be inclined; In addition, several groups of shot blasting units (1) are connected in series, and there is a gap of at least 30 cm between each two groups of shot blasting units (1), and each shot blasting unit (1) includes a closed box (8), a shot blasting Shot box (9) and steel shot collection device (10); the wide side of the steel belt (2) is vertically transmitted in the closed box (8); The closed box (8) is symmetrically provided with several groups of shot blasting devices (3) on the left and right sides of the transmission direction of the steel belt (2), and each group of shot blasting devices (3) includes a set of The left shot blasting machine (4) and the right shot blasting machine (5), the left shot blasting machine (4) is provided with a left nozzle (6) towards the direction of the steel belt (2), and the right shot blasting machine ( 5) A right nozzle (7) is provided towards the direction of the steel belt (2); The shot blasting directions of the two adjacent left nozzles (6) of each group of shot blasting devices (3) are respectively opposite, and the shot blasting directions of the two adjacent right nozzles (7) of each group of shot blasting devices (3) The directions are opposite. 2. The steel strip horizontal automatic shot blasting production line according to claim 1, characterized in that: there is a brush plate (29) between the steel strip flattening device (22) and the drying box (23) , the bottom of the brush plate (29) is provided with a steel wire brush layer, and the brush plate (29) is driven by a motor to rotate directly above the steel belt (2), so as to realize the preliminary grinding of the steel belt and clean the dust on it Or rust. 3. The steel strip horizontal automatic shot blasting production line according to claim 1, characterized in that: the steel strip unwinding device (21) includes a turntable (211), an inner shaft (212) and an outer cover (213), the The outer cover (213) is fixed on the turntable (211) parallel to the inner shaft (212), and the outer cover (213) is provided with a notch (214) facing the unwinding direction of the steel strip, and the steel strip passes through the notch (214) , so as to realize the positioning and unwinding, and avoid the steel strip from being thrown out and hurting people. 4. The steel strip horizontal automatic shot blasting production line according to claim 1, characterized in that: the steel strip (2) is adjustable within the range of 0-15 degrees in the vertical direction in the closed box (8) Transmission; each left shot blasting machine (4) and right shot blasting machine (5) are connected on the side of the closed casing (8) with an inclination of 30-48 degrees respectively. 5. The steel belt horizontal automatic shot blasting production line according to claim 4, characterized in that: each of the left shot blasting machine (4) and the right shot blasting machine (5) is equipped with its shot blasting rotation on the outer surface A direction mark (13), the mark is a clockwise rotation mark or a counterclockwise rotation mark. 6. The steel belt horizontal automatic shot blasting production line according to claim 1, characterized in that: the two ends of the closed box (8) of each shot blasting unit (1) for the steel belt (2) to enter and exit are respectively There is a sequential sealing device (14) and vertical transmission rollers (15), a vertical gap (16) is provided between the vertical transmission rollers (15), and the steel belt (2) is vertically Between the gaps (16), the shot blasting is transmitted into the closed box (8); the sealing device (14) includes outer "eight"-shaped protective plates ( 17), the two ends of the closed box (8) conveying the steel belt are respectively provided with a steel belt channel (19), and each of the steel belt channels (19) is also provided with a flexible sealing structure (18); The vertical transmission pair of rollers (15) is fixed on the outer "eight"-shaped protective plate (17). 7. The steel strip horizontal automatic shot blasting production line according to claim 6, characterized in that: the flexible sealing structure (18) is one or more of kraft paper, foam, sponge or rubber. 8. The steel strip horizontal automatic shot blasting production line according to claim 1, characterized in that: the steel shot box (9) is fixed on it by a vertical beam (11) arranged on the closed box (8) above the top, and the steel shot box (9) is connected to the corresponding shot blasting machine of each group of shot blasting devices (3) through several steel pipes (12). 9. The steel strip horizontal automatic shot blasting production line according to claim 1, characterized in that: the steel shot collection device (10) is set at the bottom of the closed box (8), and the steel shot collection device (10 ) shell along the conveying direction of the steel belt has a trumpet-shaped cross-section as a whole. 10. The steel strip horizontal automatic shot blasting production line according to claim 1 or 4 or 6 or 8 or 9, characterized in that: the closed box (8) is provided with at least one observation window (20), The observation window (20) is a rotating structure that can be opened or closed.