CN117182786A - Multi-station automatic sand blasting machine adopting motion profiling and sand blasting process thereof - Google Patents

Abstract

The invention discloses a multi-station automatic sand blasting machine adopting motion profiling and a sand blasting process thereof, wherein the multi-station automatic sand blasting machine comprises an opening and closing mechanism, a rotation platform and a sand blasting mechanism, a sand blasting chamber is a closed space, and the lower part of the sand blasting chamber is of a funnel structure; at least two material windows are arranged at one side of the hood close to the frame, and the opening and closing mechanism is arranged at the material windows; the sand blasting chamber is internally provided with at least two sand blasting stations, and the at least two sand blasting stations are arranged corresponding to the at least two material windows; the rotation platform is arranged in the sand blasting chamber and comprises at least two tool carriers; the sand blasting mechanism is arranged at the sand blasting station and comprises at least two groups of sand blasting components. According to the invention, one-time sand blasting of a plurality of sand blasting positions of a single product is realized through the self-rotation of the product and the profiling movement of the sand blasting assembly, so that the sand blasting efficiency is effectively improved, the distance between the sand blasting gun and the sand blasting position is kept unchanged in the sand blasting process of different positions, the sand blasting density and the sand blasting strength are effectively ensured, and the consistency of the surface quality is improved.

Description

Multi-station automatic sand blasting machine adopting motion profiling and sand blasting process thereof

Technical Field

The invention relates to the field of 3C equipment, in particular to a multi-station automatic sand blasting machine adopting motion profiling and a sand blasting process thereof.

Background

In the 3C field, in the process of assembling intelligent terminal equipment such as mobile phones, tablet computers and the like, surface treatment is required to be carried out on parts of the intelligent terminal equipment so as to ensure the surface quality. In the spare and accessory parts of the mobile phone, the metal middle frame is an important frame structure and plays roles in supporting and edge protection. The processing technology of the surface of the metal middle frame of the mobile phone is related to the manufacturing technology of the metal middle frame of the mobile phone.

The sand blasting process is a process for treating the surface of a metal middle frame, and the surface treatment of the metal middle frame is completed by jetting micro grits at a high speed to strike the side wall of the metal middle frame to realize the friction of the side wall surface of the metal middle frame.

The existing sand blasting process adopts a through type sand blasting mode, namely, a metal middle frame is placed on a production line, the production line drives a product to perform sand blasting on one side edge of the metal middle frame through a sand blasting station, the through type sand blasting process can only finish sand blasting on one side edge at a time, sand blasting actions on four side walls of the metal middle frame can be finished by repeatedly performing sand blasting for four times, and the adjacent two side edges of the middle frame generally adopt arc transition; four blasting operations are also required for four arc transition portions. This kind of sand blasting mode, the surface treatment of a product can be accomplished to needs repeated many times, and work efficiency is low, and when the sand blasting to different sides or circular arc department excessively, there is the difference in the interval between the sand blasting position of sand blasting rifle's distance and the metal center, leads to sand blasting density and dynamics different, causes the sand blasting effect difference in different positions, influences product sand blasting quality.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the multi-station automatic sand blasting machine adopting the motion profiling and the sand blasting process, which realize one-time sand blasting on a plurality of sand blasting positions of a single product through the self-rotation of the product and the profiling motion of the sand blasting assembly, effectively improve the sand blasting efficiency, maintain the spacing between a sand blasting gun and a sand blasting position unchanged in the sand blasting process of different positions, effectively ensure the sand blasting density and the strength, and improve the consistency of the surface quality.

The technical scheme adopted by the invention is as follows: a multi-station automatic sand blasting machine adopting motion profiling is used for screen frame surface treatment, and comprises a frame, a hood covered on the frame, a sand blasting chamber formed in the hood, an opening and closing mechanism, a rotation platform and a sand blasting mechanism,

the sand blasting chamber is a closed space, and the lower part of the sand blasting chamber is of a funnel structure so that sand gravel after sand blasting is completed is concentrated and falls down;

at least two material windows are arranged on one side of the hood, close to the frame, and the opening and closing mechanism is arranged at the material windows and opens or closes the material windows;

at least two sand blasting stations are arranged in the sand blasting chamber, and the at least two sand blasting stations are arranged corresponding to the at least two material windows;

the rotating platform is arranged in the sand blasting chamber, comprises at least two rotating platforms, is correspondingly arranged between at least two sand blasting stations and at least two material windows, and comprises two jig carrying platforms which rotate in a horizontal plane so as to take the product to be blasted from the material windows and rotate the product to the sand blasting stations;

the jig carrier is loaded with a product to be sandblasted and drives the product to rotate in a horizontal plane so as to facilitate the sandblasting mechanism to sandblast from different angles;

the sand blasting mechanism is arranged at the sand blasting station and comprises at least two groups of sand blasting assemblies, the at least two groups of sand blasting assemblies are arranged corresponding to the at least two sand blasting stations and synchronously move linearly along the longitudinal direction and the transverse direction in the horizontal plane so as to perform movement profiling through the rotation of the cooperative product, and the distance between the sand blasting points and the product is kept unchanged.

Preferably, the present invention further comprises a sand circulation mechanism; the funnel structure at the lower part of the sand blasting chamber is provided with a sand outlet; the sand circulation mechanism is connected with the sand outlet and the sand blasting mechanism, and after the sand circulation mechanism receives sand gravel subjected to sand blasting from the sand outlet, the sand gravel is filtered and dedusted, and then the sand gravel is reintroduced into the sand blasting mechanism to realize circulation sand supply.

Preferably, an inclined supporting surface is arranged on one side of the hood, and the material windows are arranged on the inclined supporting surface at intervals.

Preferably, the opening and closing mechanism comprises an opening and closing cylinder and an opening and closing plate, wherein the opening and closing cylinder is arranged on the inclined supporting surface, and the output end of the opening and closing cylinder is arranged towards the direction of the material window; the opening and closing plate is slidably arranged on the inclined supporting surface and is connected with the output end of the opening and closing cylinder, and the opening and closing cylinder drives the opening and closing plate to move linearly so as to close or open the material window.

Preferably, the rotation platform further comprises a rotation support, a rotation assembly, a rotation support and a rotation support, wherein the rotation support is horizontally arranged; the rotation assembly is arranged on the rotation support, and the output end of the rotation assembly faces downwards; the rotation support is vertically arranged below the rotation support, is rotatably connected with the rotation support, is connected with the output end of the rotation rotating assembly and is driven to rotate by the rotation rotating assembly; the rotation support platform is horizontally connected to the lower part of the rotation support post; the jig carrier is arranged on two sides of the rotation support.

Preferably, the lower part of the rotation support is provided with an installation space, the installation space is internally provided with self-rotation components, the self-rotation components comprise two groups, and the two groups of self-rotation components are respectively arranged at two ends of the installation space; the self-rotating assembly comprises a rotating motor, a rotating shaft, a first gear, a gear seat, a second gear, a third gear and a self-rotating seat, wherein the rotating motor is arranged at the lower part of the rotation support; the rotating shaft is connected to the output end of the rotating motor and extends along the outer side direction of the rotation support; the first gear is sleeved at the end part of the rotating shaft; the gear seat is arranged on the side part of the first gear; the second gear is rotatably arranged in the gear seat and is in meshed connection with the first gear; the third gear is sleeved at the lower end of the rotating shaft and is in meshed connection with the second gear, and the rotating motor outputs power to drive the rotating shaft to rotate; the rotating shaft is vertically inserted into the rotation support platform and is rotatably connected with the rotation support platform; the spin seat is horizontally arranged at the upper end of the rotating shaft and moves rotationally along with the rotating shaft; the jig carrier is arranged on the spin base and moves along with the spin base in a rotating mode, a jig is horizontally arranged on the jig carrier, at least two positioning columns are arranged on the jig, and the positioning columns are inserted into and position products placed on the jig.

Preferably, a clearance hole is formed in the top of the hood; the sand blasting mechanism penetrates through the clearance hole and is slidably connected with a support arranged at the top of the hood, and the sand blasting mechanism drives a sand blasting assembly of the sand blasting mechanism to move in the range of the clearance hole in the linear movement process in the horizontal plane so as to avoid movement interference with the hood; the support is internally provided with a sliding space.

Preferably, the sand blasting mechanism further comprises a longitudinal driving assembly, a transverse driving assembly and a bearing assembly, wherein the longitudinal driving assembly is arranged on the bracket and outputs linear power along the longitudinal direction so as to drive the transverse driving assembly arranged on the bracket to longitudinally move; the transverse driving component outputs linear power along the transverse direction so as to drive the bearing component arranged on the transverse driving component to transversely move; the at least two groups of sand blasting assemblies are arranged on the bearing assembly at intervals along the longitudinal direction and move along with the bearing assembly in a linear mode.

A sand blasting process adopting a motion profiling multi-station automatic sand blaster comprises the following process steps:

s1, opening and closing a material window: the opening and closing mechanism opens a plurality of material windows arranged on the machine cover;

s2, feeding: the product to be sandblasted is conveyed to a rotation platform in the material window through an external mechanical arm, and the product is positioned and fixed through the rotation platform;

s3, alternately feeding: in the step S2, the rotation platform rotates the product received at the material window to a sand blasting station in a sand blasting chamber by rotating, and synchronously rotates the product subjected to sand blasting at the sand blasting station to the material window, so that the mechanical arm takes out the product subjected to sand blasting, and rotation circulation feeding and discharging are realized;

s4, profiling sand blasting: in the step S3, after the product is moved to the sandblasting station by the rotation platform, the sandblasting component of the sandblasting mechanism is aligned to the product to be sandblasted, the jig carrier of the rotation platform drives the product to rotate in the horizontal plane so as to switch the sandblasting angle, and meanwhile, the sandblasting component of the sandblasting mechanism moves in the horizontal plane along the longitudinal direction and the transverse direction so as to ensure that the positions of the sandblasting component and the product to be sandblasted are unchanged until the sandblasting of the surface of the product is completed;

s5, blanking: and S4, rotationally transferring the product subjected to sand blasting to a material window through a rotation platform, and taking out and discharging through a mechanical arm arranged outside the material window.

The invention has the beneficial effects that:

the invention designs a multi-station automatic sand blasting machine adopting motion profiling and a sand blasting process thereof, which aims at the defects and defects existing in the prior art and independently develops and designs a multi-station automatic sand blasting machine adopting motion profiling and the sand blasting process thereof, wherein the single sand blasting of a plurality of sand blasting positions of a single product is realized through the self-rotation of the product and the profiling motion of a sand blasting assembly, the sand blasting efficiency is effectively improved, the distance between a sand blasting gun and a sand blasting position is maintained unchanged in the sand blasting process of different positions, the sand blasting density and the sand blasting strength are effectively ensured, and the consistency of the surface quality is improved.

The invention is applied to the surface sand blasting process of the mobile phone metal middle frame, the design of a plurality of sand blasting stations is integrally adopted, and sand blasting actions of a plurality of products on a single device are simultaneously completed by combining a plurality of groups of sand blasting assemblies and a plurality of groups of rotation platforms, so that the sand blasting efficiency can be effectively improved. In the invention, a five-station design is adopted, so that sand blasting actions of 5 products can be realized at the same time, and stations can be increased or decreased according to production requirements in the actual application process. In addition, each sand blasting station adopts a rotation platform to automatically rotate and feed and discharge products, the rotation platform is used for carrying the products, meanwhile, the products are automatically taken in from a material window, the products to be blasted are transferred from the material window to the sand blasting station, and meanwhile, the products subjected to sand blasting at the sand blasting station are alternately transferred to the material window for discharging, so that the cyclic movement realizes the cyclic feeding and discharging of the products, and the improvement of sand blasting efficiency is realized. Meanwhile, the rotation platform comprises the self-rotating assembly, and the self-rotation assembly is utilized to realize the self-rotation in the product sand blasting process, so that the angle adjustment of the product is realized in the sand blasting process, the one-time sand blasting of a plurality of sides or positions of the product at a single station is realized, and compared with the traditional sand blasting through type sand blasting process, the sand blasting process steps are effectively reduced, and the sand blasting efficiency is improved. Meanwhile, the sand blasting mechanism drives the plurality of groups of sand blasting assemblies to linearly move along the longitudinal direction and the transverse direction at each sand blasting station, and the industrial personal computer controls the plurality of groups of sand blasting assemblies to perform profiling movement through the real-time detection of the preset outer contour of the product and the rotation of the angle of the product, so that the initial variety of the spacing between the sand blasting gun of the sand blasting assembly and the sand blasting part of the product is kept unchanged, the sand blasting density and the strength are effectively controlled, the sand blasting uniformity at each part of the product is ensured, and the sand blasting quality is effectively improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic diagram of a second perspective structure of the present invention.

FIG. 3 is a third perspective view of the present invention.

FIG. 4 is a schematic perspective view of the present invention.

Fig. 5 is an enlarged schematic view of the structure at I in fig. 3.

Fig. 6 is a schematic perspective view of the sand blasting mechanism of the present invention.

Fig. 7 is a schematic perspective view of a sand blasting assembly according to the present invention.

FIG. 8 is a schematic diagram of a second perspective view of the sandblasting assembly of the present invention.

FIG. 9 is a third perspective view of the sand blasting assembly of the present invention.

Fig. 10 is a schematic structural view of the blasting gun of the present invention.

FIG. 11 is a schematic perspective view of a rotation platform according to the present invention.

FIG. 12 is a schematic diagram of a second perspective view of the rotation platform of the present invention.

Fig. 13 is an enlarged schematic view of the structure at II in fig. 11.

Fig. 14 is a schematic perspective view of a self-rotating assembly according to the present invention.

FIG. 15 is a second perspective view of the self-rotating assembly of the present invention.

Fig. 16 is an enlarged view of fig. 14 at III.

Fig. 17 is a schematic view showing the arrangement of a blasting gun according to an embodiment of the present invention.

Fig. 18 is a schematic view showing the arrangement of a blasting gun according to an embodiment of the present invention.

Fig. 19 is a schematic view showing the arrangement of a blasting gun according to an embodiment of the present invention.

FIG. 20 is a schematic view of the setup of a blasting gun in an embodiment of the present invention.

FIG. 21 is a schematic view of the setup of a blasting gun in an embodiment of the present invention.

Fig. 22 is a schematic view showing the arrangement of a blasting gun according to an embodiment of the present invention.

Fig. 23 is a schematic outer profile of a sand blasted product in one embodiment of the present invention.

Fig. 24 is a schematic view of the outer contour of a sandblasted product in one embodiment of the invention.

Fig. 25 is a schematic view of the outer contour of a sandblasted product in one embodiment of the invention.

Fig. 26 is a schematic view of the outer contour of a sand blasted product in one embodiment of the present invention.

Fig. 27 is a schematic view of the outer contour of a sand blasted product in one embodiment of the present invention.

FIG. 28 is a schematic view of the positions of the sand blasting tangents and products of the sand blasting gun according to an embodiment of the present invention.

FIG. 29 is a schematic view showing the positions and states of the blasting gun and the product in the profiling blasting process of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 to 4, the technical scheme adopted by the invention is as follows: the multi-station automatic sand blasting machine adopting motion profiling is used for screen frame surface treatment, and comprises a frame 1, a hood 2 covered on the frame, a sand blasting chamber formed in the hood 2, an opening and closing mechanism, a rotation platform 5 and a sand blasting mechanism 6,

the sand blasting chamber is a closed space, and the lower part of the sand blasting chamber is of a funnel structure so that sand gravel after sand blasting is completed is concentrated and falls down;

at least two material windows A are arranged on one side of the hood 2 close to the frame 1, the opening and closing mechanism is arranged at the material windows A, and the opening and closing mechanism opens or closes the material windows A;

at least two sand blasting stations are arranged in the sand blasting chamber, and the at least two sand blasting stations are arranged corresponding to the at least two material windows A;

the rotating platform 5 is arranged in the sand blasting chamber, the rotating platform 5 comprises at least two rotating platforms 5, the at least two rotating platforms 5 are correspondingly arranged between at least two sand blasting stations and at least two material windows A, and the rotating platform 5 comprises two jig carriers which rotate in the horizontal plane so as to take out products to be blasted from the material windows A and rotate the products to the sand blasting stations;

the jig carrier is loaded with a product to be sandblasted and drives the product to rotate in a horizontal plane so as to facilitate the sandblasting mechanism to sandblast from different angles;

the sand blasting mechanism 6 is arranged at the sand blasting station, the sand blasting mechanism 6 comprises at least two groups of sand blasting components, the at least two groups of sand blasting components are arranged corresponding to the at least two sand blasting stations and synchronously move linearly along the longitudinal direction and the transverse direction in the horizontal plane so as to perform movement profiling through the rotation of the cooperative product, and the distance between the sand blasting point and the product is kept unchanged.

According to the invention, one-time sand blasting of a plurality of sand blasting positions of a single product is realized through the self-rotation of the product and the profiling movement of the sand blasting assembly, so that the sand blasting efficiency is effectively improved, the distance between the sand blasting gun and the sand blasting position is kept unchanged in the sand blasting process of different positions, the sand blasting density and the sand blasting strength are effectively ensured, and the consistency of the surface quality is improved. The invention is applied to the surface sand blasting process of the mobile phone metal middle frame, the design of a plurality of sand blasting stations is integrally adopted, and sand blasting actions of a plurality of products on a single device are simultaneously completed by combining a plurality of groups of sand blasting assemblies and a plurality of groups of rotation platforms, so that the sand blasting efficiency can be effectively improved. In the invention, a five-station design is adopted, so that sand blasting actions of 5 products can be realized at the same time, and stations can be increased or decreased according to production requirements in the actual application process. In addition, each sand blasting station adopts a rotation platform to automatically rotate and feed and discharge products, the rotation platform is used for carrying the products, meanwhile, the products are automatically taken in from a material window, the products to be blasted are transferred from the material window to the sand blasting station, and meanwhile, the products subjected to sand blasting at the sand blasting station are alternately transferred to the material window for discharging, so that the cyclic movement realizes the cyclic feeding and discharging of the products, and the improvement of sand blasting efficiency is realized. Meanwhile, the rotation platform comprises the self-rotating assembly, and the self-rotation assembly is utilized to realize the self-rotation in the product sand blasting process, so that the angle adjustment of the product is realized in the sand blasting process, the one-time sand blasting of a plurality of sides or positions of the product at a single station is realized, and compared with the traditional sand blasting through type sand blasting process, the sand blasting process steps are effectively reduced, and the sand blasting efficiency is improved. Meanwhile, the sand blasting mechanism drives the plurality of groups of sand blasting assemblies to linearly move along the longitudinal direction and the transverse direction at each sand blasting station, and the industrial personal computer controls the plurality of groups of sand blasting assemblies to perform profiling movement through the real-time detection of the preset outer contour of the product and the rotation of the angle of the product, so that the initial variety of the spacing between the sand blasting gun of the sand blasting assembly and the sand blasting part of the product is kept unchanged, the sand blasting density and the strength are effectively controlled, the sand blasting uniformity at each part of the product is ensured, and the sand blasting quality is effectively improved.

As shown in fig. 1 to 4, the present invention further includes a sand circulation mechanism 8; the funnel structure at the lower part of the sand blasting chamber is provided with a sand outlet; the sand circulation mechanism 8 is connected with the sand outlet and the sand blasting mechanism 6, and the sand circulation mechanism 8 receives sand gravel subjected to sand blasting from the sand outlet, filters and removes dust, and reintroduces the sand gravel into the sand blasting mechanism 6 to realize circulation sand supply. The sand returning speed is high by controlling the gradient of the sand blasting chamber funnel structure, dead angles are avoided, sand is not piled, and cleaning is easy. In addition, the hood is used as a bearing carrier, the control parts are arranged on the top layer of the hood, and the moving mechanism is isolated from the sand blasting chamber, so that dust mist generated in the sand blasting process is isolated from the parts, and the service life is long.

As shown in fig. 1 to 4, one side of the hood 2 of the present invention is provided with an inclined supporting surface, and the material windows a are arranged on the inclined supporting surface at intervals. The inclined structural design is more convenient for taking and placing products.

As shown in fig. 1 to 4, the opening and closing mechanism of the invention comprises an opening and closing cylinder 3 and an opening and closing plate 4, wherein the opening and closing cylinder 3 is arranged on an inclined supporting surface, and the output end of the opening and closing cylinder is arranged towards the direction of a material window A; the opening and closing plate 4 is slidably arranged on the inclined supporting surface and is connected with the output end of the opening and closing cylinder 3, and the opening and closing cylinder 3 drives the opening and closing plate 4 to linearly move so as to close or open the material window A. Automatic opening and closing of the material window A is realized through the opening and closing mechanism 4, and dust mist leakage in the sand blasting process is effectively avoided while product loading and unloading are ensured.

As shown in fig. 11 to 16, the rotation platform 5 of the present invention further includes a rotation support 51, a rotation assembly, a rotation support 56, and a rotation support 57, wherein the rotation support 51 is horizontally disposed; the rotation component is arranged on the rotation support 51, and the output end of the rotation component is arranged downwards; the rotation support column 56 is vertically arranged below the rotation support seat 51, is rotatably connected with the rotation support seat 51, and the rotation support column 56 is connected with the output end of the rotation assembly and is driven to rotate by the rotation assembly; the rotation support 57 is horizontally connected to the lower part of the rotation support 56; the jig carriers are provided on both sides of the rotation support 57.

The rotation component comprises a rotation motor 52, a rotating seat 53, an inductor 54 and a sensing piece 55, wherein the rotation motor 52 is vertically arranged on the rotation support 51, and an output shaft is downwards arranged; the rotating seat 53 is rotatably arranged at the lower part of the rotation support 51, the rotating seat 53 is connected with the output shaft of the rotation motor 52 through a gear, and the rotation motor 52 drives the rotating seat 53 to rotate in the horizontal plane; the upper end of the rotation support column 56 is fixed on the rotating seat 53 and moves rotationally along with the rotating seat 53; the sensor 54 is arranged below the rotation motor 52 and is positioned outside the rotating seat 53, and a sensing side opening is formed in one side of the sensor 54, which is close to the rotating seat 53; the sensing piece 55 is disposed on a side wall of the rotating seat 53 and horizontally extends into the sensing side opening, and when the sensing piece 55 rotates along with the rotating seat 53 for one circle, the sensing piece 55 passes through the sensing side opening once.

As shown in fig. 14 to 16, the lower part of the rotation support 57 of the present invention is provided with a mounting space in which a self-rotation assembly is provided, the self-rotation assembly includes two groups, and the two groups of self-rotation assemblies are respectively provided at both ends of the mounting space; the self-rotating assembly comprises a rotating motor 510, a rotating shaft 511, a first gear 512, a gear seat 513, a second gear 514, a third gear 515 and a spin seat 516, wherein the rotating motor 510 is arranged at the lower part of the rotation support 57; the rotation shaft 511 is connected to an output end of the rotation motor 510 and extends in an outer direction of the rotation stage 57; the first gear 512 is sleeved at the end part of the rotating shaft 511; the gear seat 513 is disposed at a side portion of the first gear 512; the second gear 514 is rotatably disposed in the gear seat 513 and is engaged with the first gear 512; the third gear 515 is sleeved at the lower end of the rotating shaft and is in meshed connection with the second gear 514, and the rotating motor 510 outputs power to drive the rotating shaft 511 to rotate and move, and the rotating shaft is driven to rotate and move through the first gear 512, the second gear 514 and the third gear 515; the rotating shaft is vertically inserted on the rotation support 57 and is rotatably connected with the rotation support 57; the spin base 516 is horizontally arranged at the upper end of the rotating shaft and rotates along with the rotating shaft; the jig carrier is arranged on the spin base 516 and moves along with the spin base 516 in a rotating way, the jig 58 is horizontally arranged on the jig carrier, at least two positioning columns 59 are arranged on the jig 58, and the positioning columns 59 are inserted into and position products placed on the jig 58.

According to the invention, the rotation platform 5 takes the horizontally arranged rotation support 51 as a bearing part, the rotation support 56 is driven to rotate in the horizontal plane through the rotation rotating assembly, and the rotation support 56 drives the rotation support 57 horizontally arranged below the rotation support 56 to rotate, so that two jigs 58 arranged at two ends of the rotation support 57 respectively rotate back and forth between the sand blasting station and the material window, so that a product to be blasted is picked up from the material window, meanwhile, the product after sand blasting is picked up from the sand blasting station, the rotation support 57 drives the two jigs 58 to rotate, the product picked up from the station is transferred to the material window for blanking, and meanwhile, the product to be blasted picked up from the material window is transferred to the sand blasting station for sand blasting, thereby realizing product sand blasting rotation circulation and effectively improving sand blasting efficiency. In addition, the lower two ends of the rotation support 57 of the present invention are respectively provided with a self-rotation assembly, the self-rotation assembly outputs power through a rotating motor 510 arranged horizontally, and after the rotation motion in the horizontal plane is converted into the rotation motion in the vertical direction through a first gear 512, a second gear 514 and a third gear 515, the rotation shaft inserted on the rotation support 57 is driven to rotate, and the rotation shaft drives a self-rotation seat 516 to rotate, so as to drive the rotation motion of the jig 58. The installation mode of the self-rotating assembly greatly utilizes the space of the rotation support 57, and meanwhile, the rotation motion of the product in the sand blasting process is driven through the self-rotating mode, so that the change of the position and the angle of the product in the sand blasting process is effectively realized, the sand blasting actions of a plurality of sides or parts of the product are simultaneously completed through a single sand blasting station, the sand blasting process steps are effectively saved, and the sand blasting efficiency is improved.

As shown in fig. 1 to 4, the top of the hood 2 of the present invention is provided with a clearance hole B; the sand blasting mechanism 6 passes through the clearance hole B and is slidably connected with a bracket 7 arranged at the top of the hood 2, and the sand blasting mechanism 6 drives a sand blasting component of the sand blasting mechanism to move in the range of the clearance hole B in the linear movement process in the horizontal plane so as to avoid movement interference with the hood 2; a sliding space is arranged inside the bracket 7.

As shown in fig. 6 to 8, the sand blasting mechanism 6 of the present invention further comprises a longitudinal driving assembly, a transverse driving assembly and a bearing assembly, wherein the longitudinal driving assembly is arranged on the bracket 7 and outputs linear power along the longitudinal direction so as to drive the transverse driving assembly arranged thereon to longitudinally move; the transverse driving component outputs linear power along the transverse direction so as to drive the bearing component arranged on the transverse driving component to transversely move; the at least two groups of sand blasting assemblies are arranged on the bearing assembly at intervals along the longitudinal direction and move along with the bearing assembly in a linear mode.

The longitudinal driving assembly comprises a longitudinal sliding rail 61, a longitudinal motor 62 and a longitudinal sliding seat 63, wherein the longitudinal sliding rail 61 is arranged in a sliding space of the bracket 7 along the longitudinal direction; the longitudinal motor 62 is arranged at the outer side of the bracket 7, and the output shaft passes through the side wall of the bracket 7 and enters the sliding space; the longitudinal sliding seat 63 is slidably arranged on the longitudinal sliding rail 61, and is connected with a screw rod connected with an output shaft of the longitudinal motor 62 through a screw rod sleeve arranged at the lower part of the longitudinal sliding seat 63, and when the longitudinal motor 62 drives the screw rod to rotate, the longitudinal sliding seat 63 is driven to linearly move along the longitudinal sliding rail 61 through the threaded connection of the screw rod sleeve and the screw rod.

The transverse driving assembly comprises a transverse motor 64, a transverse sliding rail 65 and a transverse sliding seat 66, wherein the transverse motor 64 is arranged on the longitudinal sliding seat 63, and the output end of the transverse motor is arranged towards the transverse direction; the transverse slide rail 65 is arranged on the longitudinal slide 63 in the transverse direction; the transverse sliding seat 66 is slidably arranged on the transverse sliding rail 65, and is connected with an output shaft of the transverse motor 64 through a screw rod sleeve and a screw rod, and the transverse motor 64 drives the transverse sliding seat 66 to move transversely and linearly through the screw rod and the screw rod sleeve.

The bearing assembly comprises two bearing support posts 67 and bearing support plates 68, wherein the two bearing support posts 67 are vertically connected to the lower parts of the two ends of the transverse sliding seat 66 and extend downwards; the bearing support plates 68 are horizontally arranged below the bearing support posts 67 and are connected with the lower ends of the two bearing support posts 67; the at least two sets of blast assemblies are spaced below the load bearing support plate 68.

As shown in fig. 9, the sandblasting assembly of the present invention comprises a sandblasting support plate 69, a first sandblasting support 610, a sandblasting support 611, a second sandblasting support 612, a sandblasting fixing base 613 and a sandblasting gun 614, wherein the sandblasting support plate 69 is connected to the carrying support plate 68; the first sand blasting supporting rod 610 is vertically connected below the sand blasting supporting plate 69; the sand blasting support 611 is sleeved on the first sand blasting support 610 in a sliding manner along the vertical direction and extends horizontally to one side of the first sand blasting support 610; the second sand blasting strut 612 is horizontally fixed on the sand blasting support 611; the sand blasting fixing seat 613 is arranged on the second sand blasting supporting rod 612; the sand blasting gun 614 is detachably arranged on the sand blasting fixing seat 613.

As shown in fig. 10, the sand blasting gun 614 of the present invention includes an air inlet pipe 6141, a sand water inlet pipe 6142 and a spray pipe 6143, wherein a spray hole D is provided in the spray pipe 6143, two ends of the spray hole D are open, one end is a sand blasting port, and the other end is a sand inlet port; the air inlet pipe 6141 and the sand water inlet pipe 6142 are respectively connected with the end part of the spray pipe 6143, wherein an air inlet hole C is arranged in the air inlet pipe 6141, a sand water inlet hole E is arranged in the sand water inlet pipe 6142, the outer ends of the air inlet hole C and the sand water inlet hole E are respectively connected with the air pressure generating device and the sand circulating mechanism, and the inner ends are respectively led into the high-pressure air and the sand water mixture to the spray hole D after being converged at the sand inlet of the spray hole D. The sand blasting gun 614 adopts high-pressure gas to assist in spraying, realizes the separation of gas and solid through a split-hole type structural design, can improve the sand-gravel spraying speed through the assistance of high-pressure gas to avoid the blockage of the sand blasting gun, improves the sand blasting uniformity, and improves the sand blasting quality.

The sand blasting mechanism 6 is a sand blasting executing mechanism, the sand blasting mechanism 6 is arranged by adopting a plurality of sand blasting assemblies, the sand blasting mechanism is applicable to sand blasting actions of a plurality of sand blasting stations, and the sand blasting efficiency can be effectively improved. Specifically, the sand blasting mechanism 6 of the invention takes a vertically erected bracket 7 as a bearing component, a longitudinal driving component and a transverse driving component are arranged in a sliding space in the bracket 7, and linear power in the longitudinal direction and the transverse direction is respectively output through the longitudinal driving component and the transverse driving component, so that a horizontally arranged bearing support plate 68 is driven to longitudinally and transversely move in a horizontal plane. In addition, a plurality of groups of sand blasting components are arranged at intervals along the longitudinal direction on the lower part of the bearing support plate 68, each sand blasting component is respectively arranged corresponding to a sand blasting station, the sand blasting component takes a horizontally arranged sand blasting support plate 69 as a bearing component, the sand blasting support plate 69 is connected to the bottom of the bearing support plate 68, the lower part of the sand blasting support plate 69 is vertically connected with a first sand blasting support rod 610, a sand blasting support seat 611 is slidably sleeved on the first sand blasting support rod 610, the sand blasting support seat 611 horizontally extends outwards, a second sand blasting support rod 612 is horizontally inserted at the outer end of the sand blasting support seat 611, a sand blasting fixing seat 613 is sleeved on the second sand blasting support rod 612, and a sand blasting gun 614 is detachably arranged on the sand blasting fixing seat 613.

As shown in fig. 7 to 9, as an embodiment of the present invention, in the actual installation process, the sandblasting support plate 69 of the present invention includes two sandblasting support plates 69 connected together in a mutually perpendicular direction and connected to the carrying support plate 68, and the first sandblasting support rods 610 are vertically connected below both the two sandblasting support plates 69, thereby forming two sets of sandblasting gun fixing structures. Meanwhile, two sandblasting supports 611 may be further provided on the first sandblasting strut 610, and second sandblasting struts 612 may be inserted on the two sandblasting supports 611, respectively. In the actual use process, the structure can realize the detachable installation of 1 to a plurality of sand blasting guns 614 according to different sand blasting requirements.

As shown in fig. 17, as an embodiment of the present invention, three blasting gun combination structures are adopted for blasting in this embodiment, wherein two blasting guns are disposed on the left side, one blasting gun is disposed on the right side and is located above the right side, and the joining points of the blasting paths of the three blasting guns are made to be the product to be blasted through pre-installation and debugging.

As shown in fig. 18, as an embodiment of the present invention, three blasting gun combination structures are adopted for blasting in this embodiment, wherein one blasting gun is disposed on the left side and two blasting guns are disposed on the right side, and the joining points of the blasting paths of the three blasting guns are the product to be blasted through pre-installation and debugging.

As shown in fig. 19, as an embodiment of the present invention, three sand blasting gun combination structures are adopted for sand blasting in this embodiment, wherein two sand blasting guns are disposed on the left side, one sand blasting gun is disposed on the right side and is located below the right side, and through pre-installation and debugging, the sand blasting path junction points of the three sand blasting guns are the product to-be-blasted positions.

As shown in fig. 20, as an embodiment of the present invention, three sand blasting gun combination structures are adopted for sand blasting in this embodiment, wherein one sand blasting gun is disposed on the left side and two sand blasting guns are disposed on the right side below the left side, and through pre-installation and debugging, the sand blasting path junction point of the three sand blasting guns is the product to be sand blasted.

As shown in fig. 21, as an embodiment of the present invention, four sand blasting gun combination structures are adopted for sand blasting in this embodiment, and through pre-installation and debugging, the sand blasting path junction points of the four sand blasting guns are the product parts to be sand blasted.

As shown in fig. 22, as an embodiment of the present invention, three sand blasting gun combination structures are adopted to perform sand blasting in the embodiment, and three sand blasting guns are disposed on the same side, and through pre-installation and debugging, the sand blasting path junction points of the three sand blasting guns are the product to-be-blasted positions.

As shown in fig. 23, as an embodiment of the present invention, the present invention achieves blasting of a rectangular and square product having an outer contour with R-angles.

As shown in fig. 24, as an embodiment of the present invention, the present invention achieves blasting of a rectangular and square shape with C-angle outer contour of a product.

As an embodiment of the present invention, as shown in fig. 25, the present invention achieves blasting in which the outer contour of the product is rectangular and square.

As shown in fig. 26, as an embodiment of the present invention, the present invention achieves blasting in which the outer contour of the product is circular and polygonal.

As an embodiment of the present invention, as shown in fig. 27, the present invention achieves blasting in which the outer contour of the product is shaped.

As shown in fig. 28, as an embodiment of the present invention, for two blasting gun combinations, the intersection of the injection tangents of the two blasting guns is the side portion to be blasted of the product, and the product uses its own center as the product rotation center to perform self-rotation movement so as to continuously switch the blasting angles.

As shown in FIG. 29, the invention adopts industrial computer programming and has a mature profiling track software control system, so that the product can well finish profiling track sand blasting; by setting 8 movement positions of the spray head, the movement track of the spray gun is deduced, the track can be saved, and the spray gun can be imported to other machines and can be directly used after a starting point is designated.

The invention discloses a sand blasting process of a multi-station automatic sand blaster adopting motion profiling, which comprises the following process steps:

s1, opening and closing a material window: the opening and closing mechanism opens a plurality of material windows arranged on the machine cover;

s2, feeding: the product to be sandblasted is conveyed to a rotation platform in the material window through an external mechanical arm, and the product is positioned and fixed through the rotation platform;

s3, alternately feeding: in the step S2, the rotation platform rotates the product received at the material window to a sand blasting station in a sand blasting chamber by rotating, and synchronously rotates the product subjected to sand blasting at the sand blasting station to the material window, so that the mechanical arm takes out the product subjected to sand blasting, and rotation circulation feeding and discharging are realized;

s4, profiling sand blasting: in the step S3, after the product is moved to the sandblasting station by the rotation platform, the sandblasting component of the sandblasting mechanism is aligned to the product to be sandblasted, the jig carrier of the rotation platform drives the product to rotate in the horizontal plane so as to switch the sandblasting angle, and meanwhile, the sandblasting component of the sandblasting mechanism moves in the horizontal plane along the longitudinal direction and the transverse direction so as to ensure that the positions of the sandblasting component and the product to be sandblasted are unchanged until the sandblasting of the surface of the product is completed;

s5, blanking: and S4, rotationally transferring the product subjected to sand blasting to a material window through a rotation platform, and taking out and discharging through a mechanical arm arranged outside the material window.

The examples of the present invention are presented only to describe specific embodiments thereof and are not intended to limit the scope of the invention. Certain modifications may be made by those skilled in the art in light of the teachings of this embodiment, and all equivalent changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. The utility model provides an adopt automatic sand blasting machine of multistation of motion profile modeling for screen frame body surface treatment, including frame (1) and cover hood (2) of locating on it, the inside sandblast room that forms of hood (2), its characterized in that: also comprises an opening and closing mechanism, a rotation platform (5) and a sand blasting mechanism (6), wherein,

the sand blasting chamber is a closed space, and the lower part of the sand blasting chamber is of a funnel structure so that sand gravel after sand blasting is completed is concentrated and falls down;

at least two material windows (A) are arranged on one side of the hood (2) close to the frame (1), the opening and closing mechanism is arranged at the material windows (A), and the opening and closing mechanism opens or closes the material windows (A);

at least two sand blasting stations are arranged in the sand blasting chamber, and the at least two sand blasting stations are arranged corresponding to the at least two material windows (A);

the rotating platform (5) is arranged in the sand blasting chamber, the rotating platform (5) comprises at least two, the at least two rotating platforms (5) are correspondingly arranged between at least two sand blasting stations and at least two material windows (A), the rotating platform (5) comprises two jig carriers which move in a rotating manner in a horizontal plane so as to take a product to be blasted from the material windows (A) and rotate the product to the sand blasting stations;

the jig carrier is loaded with a product to be sandblasted and drives the product to rotate in a horizontal plane so as to facilitate the sandblasting mechanism to sandblast from different angles;

the sand blasting mechanism (6) is arranged at the sand blasting station, the sand blasting mechanism (6) comprises at least two groups of sand blasting components, the at least two groups of sand blasting components are arranged corresponding to the at least two sand blasting stations and synchronously move linearly along the longitudinal direction and the transverse direction in the horizontal plane so as to perform movement profiling by cooperating with the rotation of a product, and the distance between the sand blasting point and the product is kept unchanged.

2. A multi-station automatic sand blasting machine employing motion profiling as claimed in claim 1, wherein: also comprises a sand circulation mechanism (8); the funnel structure at the lower part of the sand blasting chamber is provided with a sand outlet; the sand circulation mechanism (8) is connected with the sand outlet and the sand blasting mechanism (6), and after the sand circulation mechanism (8) receives sand gravel subjected to sand blasting from the sand outlet, the sand gravel is filtered and dedusted, and then the sand gravel is reintroduced into the sand blasting mechanism (6) to realize circulation sand supply.

3. A multi-station automatic sand blasting machine employing motion profiling as claimed in claim 1, wherein: one side of the hood (2) is provided with an inclined supporting surface, and the material windows (A) are arranged on the inclined supporting surface at intervals.

4. A multi-station automatic sand blasting machine employing motion profiling as claimed in claim 3, wherein: the opening and closing mechanism comprises an opening and closing cylinder (3) and an opening and closing plate (4), wherein the opening and closing cylinder (3) is arranged on the inclined supporting surface, and the output end of the opening and closing cylinder is arranged towards the direction of the material window (A); the opening and closing plate (4) is slidably arranged on the inclined supporting surface and is connected with the output end of the opening and closing cylinder (3), and the opening and closing cylinder (3) drives the opening and closing plate (4) to linearly move so as to close or open the material window (A).

5. A multi-station automatic sand blasting machine employing motion profiling as claimed in claim 1, wherein: the rotation platform (5) further comprises a rotation support (51), a rotation assembly, a rotation support (56) and a rotation support (57), wherein the rotation support (51) is horizontally arranged; the rotation component is arranged on the rotation support (51), and the output end of the rotation component is arranged downwards; the rotation support (56) is vertically arranged below the rotation support (51) and is rotatably connected with the rotation support (51), and the rotation support (56) is connected with the output end of the rotation assembly and is driven to rotate by the rotation assembly; the rotation support (57) is horizontally connected to the lower part of the rotation support (56); the jig carriers are arranged on two sides of the rotation support (57).

6. The multi-station automatic sand blasting machine adopting motion profiling according to claim 5, wherein: the lower part of the rotation support (57) is provided with an installation space, a self-rotation assembly is arranged in the installation space, the self-rotation assembly comprises two groups, and the two groups of self-rotation assemblies are respectively arranged at two ends of the installation space; the self-rotating assembly comprises a rotating motor (510), a rotating shaft (511), a first gear (512), a gear seat (513), a second gear (514), a third gear (515) and a spin seat (516), wherein the rotating motor (510) is arranged at the lower part of the rotation support (57); the rotating shaft (511) is connected to the output end of the rotating motor (510) and extends along the outer side direction of the rotating support (57); the first gear (512) is sleeved at the end part of the rotating shaft (511); the gear seat (513) is arranged at the side part of the first gear (512); the second gear (514) is rotatably arranged in the gear seat (513) and is in meshed connection with the first gear (512); the third gear (515) is sleeved at the lower end of the rotating shaft and is in meshed connection with the second gear (514), and the rotating motor (510) outputs power to drive the rotating shaft (511) to rotate and move, and the rotating shaft is driven to rotate and move through the first gear (512), the second gear (514) and the third gear (515); the rotating shaft is vertically inserted on the rotation support (57) and is rotatably connected with the rotation support (57); the spin base (516) is horizontally arranged at the upper end of the rotating shaft and moves rotationally along with the rotating shaft; the jig carrier is arranged on the spin base (516) and moves along with the spin base (516) in a rotating mode, a jig (58) is horizontally arranged on the jig carrier, at least two positioning columns (59) are arranged on the jig (58), and the positioning columns (59) are inserted into products placed on the jig (58) in a positioning mode.

7. A multi-station automatic sand blasting machine employing motion profiling as claimed in claim 1, wherein: a clearance hole (B) is formed in the top of the hood (2); the sand blasting mechanism (6) penetrates through the clearance hole (B) and is slidably connected with a bracket (7) arranged at the top of the hood (2), and the sand blasting mechanism (6) drives a sand blasting assembly of the sand blasting mechanism to move in the range of the clearance hole (B) in the linear motion process in the horizontal plane so as to avoid movement interference with the hood (2); a sliding space is arranged in the support (7).

8. A multi-station automatic sand blasting machine employing motion profiling as claimed in claim 1, wherein: the sand blasting mechanism (6) further comprises a longitudinal driving assembly, a transverse driving assembly and a bearing assembly, wherein the longitudinal driving assembly is arranged on the bracket (7) and outputs linear power along the longitudinal direction so as to drive the transverse driving assembly arranged on the longitudinal driving assembly to longitudinally move; the transverse driving component outputs linear power along the transverse direction so as to drive the bearing component arranged on the transverse driving component to transversely move; the at least two groups of sand blasting assemblies are arranged on the bearing assembly at intervals along the longitudinal direction and move along with the bearing assembly in a linear mode.

9. A blasting process according to any one of claims 1 to 8, characterized by the following process steps, using a motion profiling multi-station automatic blaster:

s1, opening and closing a material window: the opening and closing mechanism opens a plurality of material windows arranged on the machine cover;

s2, feeding: the product to be sandblasted is conveyed to a rotation platform in the material window through an external mechanical arm, and the product is positioned and fixed through the rotation platform;

s3, alternately feeding: in the step S2, the rotation platform rotates the product received at the material window to a sand blasting station in a sand blasting chamber by rotating, and synchronously rotates the product subjected to sand blasting at the sand blasting station to the material window, so that the mechanical arm takes out the product subjected to sand blasting, and rotation circulation feeding and discharging are realized;

s4, profiling sand blasting: in the step S3, after the product is moved to the sandblasting station by the rotation platform, the sandblasting component of the sandblasting mechanism is aligned to the product to be sandblasted, the jig carrier of the rotation platform drives the product to rotate in the horizontal plane so as to switch the sandblasting angle, and meanwhile, the sandblasting component of the sandblasting mechanism moves in the horizontal plane along the longitudinal direction and the transverse direction so as to ensure that the positions of the sandblasting component and the product to be sandblasted are unchanged until the sandblasting of the surface of the product is completed;

s5, blanking: and S4, rotationally transferring the product subjected to sand blasting to a material window through a rotation platform, and taking out and discharging through a mechanical arm arranged outside the material window.