CN207273016U

CN207273016U - A kind of workpiece surface handles uniform sand-blasting machine

Info

Publication number: CN207273016U
Application number: CN201721308875.3U
Authority: CN
Inventors: 林少华
Original assignee: Chongqing Fu Tax Technology Co Ltd
Current assignee: Chongqing Fu Tax Technology Co Ltd
Priority date: 2017-10-11
Filing date: 2017-10-11
Publication date: 2018-04-27
Anticipated expiration: 2027-10-11

Abstract

The utility model provides a kind of workpiece surface and handles uniform sand-blasting machine, including sandblasting cabin and PLC controller, the article carrying platform for being internally provided with carrying workpiece in sandblasting cabin, rotated in the opposing sidewalls in sandblasting cabin and be provided with horizontally disposed support shaft, the outside in sandblasting cabin is equipped with driving motor, one end of support shaft stretch out sandblasting cabin it is outer and with the output axis connection of driving motor, multiple horizontal mobile mechanisms are arranged at intervals with the support shaft of sandblasting cabin interior, a reciprocating mechanism is connected with each horizontal mobile mechanism, a support is connected with each reciprocating mechanism, the lower end of each support is connected with spray gun, horizontal mobile mechanism and reciprocating mechanism are under the control of PLC controller, the axial direction of spray gun along support shaft is controlled to move horizontally and moved up and down perpendicular to the axial direction of support shaft respectively.The application can adjust the angle and distance of spray gun and workpiece surface and the spacing of adjacent spray gun, and more uniform processing is formed to workpiece surface.

Description

A kind of workpiece surface handles uniform sand-blasting machine

Technical field

It the utility model is related to technical field of surface, and in particular to a kind of workpiece surface handles uniform sand-blasting machine.

Background technology

Workpiece formed, processing, during storage etc., surface is often with oxide skin, original coating, iron rust, remaining Molding sand, welding slag, dust and greasy dirt and other surfaces attachment, carry out to remove the attachment of workpiece surface frequently with sand-blasting machine Surface treatment, to change the physical mechanical property of workpiece, such as improves or reduces surface roughness, improves the lubrication shape of workpiece surface State, the friction coefficient for improving workpiece surface etc..

Sand-blasting machine is to use compressed air as power, and material spray is ejected into processed workpiece at a high speed to form high velocity spray beam Surface, makes a kind of changed machine of mechanical performance of outer surface of workpiece.Due to impact and cutting of the material spray to workpiece surface Effect, makes the surface of workpiece obtain certain cleannes and different roughness, allows the mechanical performance of workpiece surface to be improved, Therefore the fatigue resistance of workpiece is improved, the adhesive force between workpiece and coating is added, extends the durability of film, also have Beneficial to the levelling and decoration of coating, impurity, variegated and oxide layer surface are disposed, while are roughened dielectric surface, eliminate Workpiece residual stress and the effect for improving substrate surface hardness.

But the utility model inventor has found that existing sand-blasting machine is difficult to adjust in sandblasting procedures The distance and spray angle of spray gun and workpiece surface, it is impossible to be controlled well to spray gun, in turn result in spray gun to workpiece table Surface treatment it is uneven, sandblasting effect is not fully up to expectations, it is difficult to meets the demand for development of modern manufacturing industry.

Utility model content

It is difficult to the distance and spray angle that spray gun and workpiece surface are adjusted in sandblasting procedures for existing sand-blasting machine, it is impossible to Spray gun is controlled well, spray gun is in turn resulted in and workpiece surface is handled uneven, sandblasting effect is not fully up to expectations, difficult To meet the technical problem of modern manufacturing industry demand for development, the utility model provides a kind of workpiece surface and handles uniform sand-blasting machine.

In order to solve the above-mentioned technical problem, the utility model employs following technical solution：

A kind of workpiece surface handles uniform sand-blasting machine, including sandblasting cabin and PLC controller, the inside in the sandblasting cabin Rotated equipped with the article carrying platform for carrying workpiece, in the opposing sidewalls in the sandblasting cabin and be provided with horizontally disposed support shaft, institute The outside for stating sandblasting cabin is equipped with driving motor, one end of the support shaft stretch out sandblasting cabin it is outer and with the output of driving motor Axis connection, multiple horizontal mobile mechanisms are arranged at intervals with the support shaft of the sandblasting cabin interior, each level A reciprocating mechanism is connected with moving mechanism, is connected with a support on each reciprocating mechanism, each The lower end of the support is connected with spray gun, and the horizontal mobile mechanism is for controlling the spray gun being connected with support along support The axial direction of axis moves horizontally, and the reciprocating mechanism is used to control the spray gun being connected with support axial perpendicular to support shaft Direction move up and down；

Each horizontal mobile mechanism includes the first fixed seat, the first sliding sleeve, the first support arm, the first deceleration electricity Machine and the first leading screw, first fixed seat is fixedly sleeved in support shaft, and first sliding sleeve is slidably located in support On axis, one end of first support arm is fixedly connected with the outer wall of the first sliding sleeve, and the first reducing motors fix peace In the first fixed seat, the first reducing motors pass through the first nut on matching used first leading screw and the first leading screw The first sliding sleeve is driven to be moved horizontally along the axial direction of support shaft, one end of first leading screw is fixedly connected on first and subtracts On speed motor, the first nut on first leading screw is fixedly connected on the first sliding sleeve；

Each reciprocating mechanism includes supporting rod, the second fixed seat, the second sliding sleeve, the second support arm, the Two decelerating motors and the second leading screw, the upper end edge of the supporting rod are another perpendicular to axial direction and the first support arm of support shaft One end is fixedly connected, and second fixed seat is fixedly sleeved on supporting rod, and second sliding sleeve is slidably located in support On bar, one end of second support arm is fixedly connected with the outer wall of the second sliding sleeve, and the second reducing motors fix peace In the second fixed seat, the second reducing motors pass through the second nut on matching used second leading screw and the second leading screw The second sliding sleeve is driven to be moved up and down along the axial direction of supporting rod, one end of second leading screw is fixedly connected on second and subtracts On speed motor, the second nut on second leading screw is fixedly connected on the second sliding sleeve；

Each support includes branch sleeve, connection bolt and L-shaped connecting rod, the barrel surface of the branch sleeve The lower end of supporting rod is fixedly connected on, the inner wall of the branch sleeve is equipped with internal thread, the screw rod of the connection bolt and connection The inner thread of sleeve passes through branch sleeve after coordinating, and one end that the screw rod is pierced by branch sleeve passes through nut and branch sleeve Fastening, offers radial direction threaded connection hole in the cylindrical head of the connection bolt, the top of the L-shaped connecting rod be equipped with The matched screw thread of threaded connection hole simultaneously passes through the cylindrical head for connecting bolt, is opened on the lower end connecting portion of the L-shaped connecting rod Equipped with connecting hole；

The spray gun includes hollow gun body, and the top of the hollow gun body is equipped with gas interface and sand material interface, the gas Body interface is connected by gas conduit with external compression air tank, and the sand material interface passes through sand material conduit and exterior storage sand batch can Connection, the middle part of sliding channel of the hollow gun body are equipped with connection ring, the connection ring and the company on the connecting portion of L-shaped connecting rod lower end Connect hole to be bolted, the lower part of the hollow gun body is sequentially with arc center guide pad and rotates guide pad, institute from inside to outside The upper end for stating center guide pad is fixedly connected with the inner wall of hollow gun body by connection strap, and the rotation guide pad is led close to center One side surface of material block is equipped with spiral flow deflector, and the guide pad that rotates is away from the opposite side upper end of center guide pad and hollow gun The inner wall of body is rotatablely connected by floating bearing, one end that the lower end for rotating guide pad passes through plane bearing and the support of bearing Connection, the lower outside surface for rotating guide pad are equipped with ring gear, the support of bearing close to the plane bearing side Electric rotating machine is equipped with, the rotation axis of the electric rotating machine is equipped with the drive gear being meshed with ring gear, the bearing The other end of stent is fixedly connected with the upper outside wall of hollow gun body；

Driving motor, first reducing motors, second reducing motors and the electric rotating machine are electrically connected with PLC controller.

Compared with prior art, workpiece surface provided by the utility model handles uniform sand-blasting machine, including sandblasting cabin and PLC controller, rotates in the opposing sidewalls in sandblasting cabin and is provided with horizontally disposed support shaft, and sandblasting is stretched out in one end of support shaft Outside cabin and with driving the output axis connection of motor, multiple horizontal mobile mechanisms are arranged at intervals with support shaft, it is each horizontal to move A reciprocating mechanism is connected with motivation structure, a support, each support are connected with each reciprocating mechanism Lower end be connected with spray gun, thus driving motor driving under support shaft can be driven to rotate, and then by horizontal mobile mechanism, Reciprocating mechanism and support drive spray gun to rotate, so as to adjust the spray angle between spray gun and workpiece surface, water Flat moving mechanism can control the spray gun being connected with support to be moved horizontally along the axial direction of support shaft, and reciprocating mechanism can control The spray gun being connected with support is moved up and down perpendicular to support shaft axially direction, and then can be handled according to workpiece surface Be actually needed, under the control of PLC controller individually adjust adjacent spray gun spacing and spray gun and workpiece surface between away from From it is thus achieved that the quantitative control to spray gun；Meanwhile spray gun includes hollow gun body, the lower part of hollow gun body is suitable from inside to outside Sequence is equipped with arc center guide pad and rotates guide pad, rotates guide pad and is equipped with spiral lead close to a side surface of center guide pad Flow, the lower outside surface for rotating guide pad are equipped with ring gear, can be by being meshed thus under the driving of electric rotating machine Drive gear and ring gear drive rotate guide pad rotation, so as to jet flow to center guide pad and rotation guide pad it Between material spray carry out spiral acceleration by spiral flow deflector, and then more material spray jet flows may be guided and led to center guide pad and rotation Spiral acceleration is carried out between material block, makes in a disguised form to reduce from the material spray that spray orifice among the guide pad of center projects, it is possible thereby to prevent work There is the situation that intermediate treatment is too strong and edge treated is excessively weak and occurs in part surface, and effectively improves the uniform of workpiece surface processing Property.Therefore, the sand-blasting machine that the application provides can preferably control spray gun in sandblasting procedures, so as to adjust well The spacing of the angle and distance and adjacent spray gun of spray gun and workpiece surface, and the material spray ejected can be guided, and then More uniform processing can be formed to workpiece surface, sandblasting effect preferably improves workpiece surface quality, disclosure satisfy that modern system Make the demand for development of industry.

Further, the both ends of the support shaft are rotated by bearing and are arranged horizontally in the opposing sidewalls in sandblasting cabin.

Further, the driving motor is servomotor.

Further, first fixed seat and the second fixed seat include fixed block and fixed column, and the fixed block is equipped with Mounting hole, the stable hole with mounting hole perforation is offered on the side wall of the fixed block, is equipped with the stable hole and supports spiral shell Bolt, the fixed column are integrally formed on fixed block, and the first reducing motors and second reducing motors are fixedly mounted on fixation On column.

Brief description of the drawings

Fig. 1 is the theory structure schematic diagram that workpiece surface provided by the utility model handles uniform sand-blasting machine.

Fig. 2 is the concrete structure schematic diagram of horizontal mobile mechanism in Fig. 1.

Fig. 3 is the concrete structure schematic diagram of reciprocating mechanism in Fig. 1.

Fig. 4 is the concrete structure schematic diagram of support in Fig. 1.

Fig. 5 is the concrete structure schematic diagram of spray gun in Fig. 1.

In figure, 1, sandblasting cabin；11st, article carrying platform；12nd, support shaft；13rd, motor is driven；2nd, PLC controller；3rd, it is horizontal Moving mechanism；31st, the first fixed seat；311st, fixed block；312nd, fixed column；313rd, bolt is supported；32nd, the first sliding sleeve；33、 First support arm；34th, first reducing motors；35th, the first leading screw；36th, the first nut；4th, reciprocating mechanism；41st, supporting rod； 42nd, the second fixed seat；43rd, the second sliding sleeve；44th, the second support arm；45th, second reducing motors；46th, the second leading screw；47th, Two nuts；5th, support；51st, branch sleeve；52nd, bolt is connected；521st, cylindrical head；522nd, threaded connection hole；53rd, L-shaped Connecting rod；531st, lower end connecting portion；532nd, connecting hole；6th, spray gun；61st, hollow gun body；62nd, gas interface；63rd, sand material interface； 64th, connection ring；65th, center guide pad；651st, connection strap；66th, guide pad is rotated；661st, spiral flow deflector；662nd, floating bearing； 663rd, plane bearing；664th, ring gear；67th, the support of bearing；68th, electric rotating machine；69th, drive gear.

Embodiment

In order to make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, under Face combines and is specifically illustrating, and the utility model is expanded on further.

In the description of the utility model, it is to be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness The side of the instruction such as degree ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification is retouched State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation, Therefore it is not intended that limitation to the utility model.In the description of the utility model, unless otherwise indicated, " multiples' " contains Justice is two or more.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Please refer to Fig.1 to shown in Fig. 5, the utility model provides a kind of workpiece surface and handles uniform sand-blasting machine, including sandblasting Cabin 1 and PLC controller 2, the article carrying platform 11 for being internally provided with carrying workpiece in the sandblasting cabin 1, the sandblasting cabin 1 Rotated in opposing sidewalls and be provided with horizontally disposed support shaft 12, the outside in the sandblasting cabin 1 is equipped with driving motor 13, described It is outer and with driving the output axis connection of motor 13 that sandblasting cabin 1 is stretched out in one end of support shaft 12, and thus the support shaft 12 can be Driving motor 13 is rotated by, and multiple horizontal shiftings are arranged at intervals with the support shaft 12 inside the sandblasting cabin 1 Motivation structure 3, is each connected with a reciprocating mechanism 4 on the horizontal mobile mechanism 3, each reciprocating mechanism 4 On be connected with a support 5, the lower end of each support 5 is connected with spray gun 6, and the horizontal mobile mechanism 3 is used to control The spray gun 6 that be connected with support 5 is made to move horizontally along the axial direction of support shaft 12, the reciprocating mechanism 4 be used for control and Support 5 connect spray gun 6 moved up and down perpendicular to 12 axially direction of support shaft, it is possible thereby to adjust the spray gun 6 with The angle and distance of workpiece surface and the spacing of adjacent spray gun；

Each horizontal mobile mechanism 3 includes the first fixed seat 31, the first sliding sleeve 32, the first support arm 33, the One decelerating motor 34 and the first leading screw 35, first fixed seat 31 is fixedly sleeved in support shaft 12, first sliding sleeve Cylinder 32 is slidably located in support shaft 12, and the outer wall of one end of first support arm 33 and the first sliding sleeve 32, which is fixed, to be connected Connect, the first reducing motors 34 are fixedly mounted in the first fixed seat 31, and the first reducing motors 34 are by matching The first leading screw 35 and the first leading screw 35 on the first nut 36 drive the first sliding sleeve 32 done along the axial direction of support shaft 12 Moving horizontally, one end of first leading screw 35 is fixedly connected in first reducing motors 34, and on first leading screw 35 One nut 36 is fixedly connected on the first sliding sleeve 32, so as to drive the first support arm 33 by first sliding sleeve 32 Moved horizontally along the axial direction of support shaft 12, and then driven the reciprocating mechanism 4 connected on the horizontal mobile mechanism 3 Moved horizontally also along the axial direction of support shaft 12；

Each reciprocating mechanism 4 includes supporting rod 41, the second fixed seat 42, the second sliding sleeve 43, second Brace 44,45 and second leading screw 46 of second reducing motors, the upper end edge of the supporting rod 41 is perpendicular to the axial direction side of support shaft 12 It is fixedly connected to the other end with the first support arm 33, second fixed seat 42 is fixedly sleeved on supporting rod 41, and described Two sliding sleeves 43 are slidably located on supporting rod 41, one end of second support arm 44 and the outer wall of the second sliding sleeve 43 Be fixedly connected, the second reducing motors 45 are fixedly mounted in the second fixed seat 42, the second reducing motors 45 by with Cover the second nut 47 on the second leading screw 46 and the second leading screw 46 used and drive the second sliding sleeve 43 along supporting rod 41 Axially move up and down, one end of second leading screw 46 is fixedly connected in second reducing motors 45, second leading screw 46 On the second nut 47 be fixedly connected on the second sliding sleeve 43 so that pass through second sliding sleeve 43 drive second Brace 44 is moved up and down along the axial direction of supporting rod 41, and then has driven the support 5 connected on the reciprocating mechanism 4 Moved up and down also along the axial direction of supporting rod 41, so that the spray gun 6 of 5 lower end of support connection is also along supporting rod 41 Axially move up and down, since the upper end of the supporting rod 41 is supported along the axial direction perpendicular to support shaft 12 and first 33 other end of arm is fixedly connected, thus the final spray gun 6 is moved down along in 12 axially direction of support shaft It is dynamic, it is thus achieved that arbitrarily adjusting the spray gun 6 and the angle and distance of workpiece surface and the spacing of adjacent spray gun；

Each support 5 includes branch sleeve 51, connection bolt 52 and L-shaped connecting rod 53, the branch sleeve 51 Barrel surface be fixedly connected on the lower end of supporting rod 41, the inner wall of the branch sleeve 51 is equipped with internal thread, the connection spiral shell The screw rod of bolt 52 passes through branch sleeve 51 after coordinating with the inner thread of branch sleeve 51, and the screw rod is pierced by branch sleeve 51 One end is fastened by nut and branch sleeve 51, and radial direction screw thread company is offered in the cylindrical head 521 of the connection bolt 52 Connect hole 522, the top of the L-shaped connecting rod 53 is equipped with 522 matched screw thread of threaded connection hole and through connection bolt 52 Cylindrical head 521, offers connecting hole 532 on the lower end connecting portion 531 of the L-shaped connecting rod 53, using the branch of the structure Frame 5 is held, can more massively connect spray gun 6, and the scope that can spray spray gun 6 is more more extensive；

The spray gun 6 includes hollow gun body 61, and the top of the hollow gun body 61 is equipped with gas interface 62 and sand material interface 63, the gas interface 62 is connected by gas conduit with external compression air tank, and the sand material interface 63 passes through sand material conduit It is connected with outside storage sand batch can, the middle part of sliding channel of the hollow gun body 61 is equipped with connection ring 64, and the connection ring 64 connects with L-shaped Connecting hole 532 on 53 lower end connecting portion 531 of extension bar is bolted, and the lower part of the hollow gun body 61 is sequentially with from inside to outside Arc center guide pad 65 and rotation guide pad 66, the upper end of the center guide pad 65 and the inner wall of hollow gun body 61 pass through company Narrow bars 651 are fixedly connected, i.e., multiple connection straps 651 are circumferentially with the inner wall of the hollow gun body 61 for being fixedly connected Center guide pad 65, the rotation guide pad 66 is equipped with spiral flow deflector 661 close to a side surface of center guide pad 65, described Guide pad 66 is rotated to rotate by floating bearing 662 away from the opposite side upper end of center guide pad 65 and the inner wall of hollow gun body 61 Connection, the lower end for rotating guide pad 66 are connected by plane bearing 663 with one end of the support of bearing 67, the rotation guide The lower outside surface of block 66 is equipped with ring gear 664, and the support of bearing 67 close to 663 side of plane bearing is equipped with rotation Rotating motor 68, the rotation axis of the electric rotating machine 68 are equipped with the drive gear 69 being meshed with ring gear 664, the bearing The other end of stent 67 is fixedly connected with the upper outside wall of hollow gun body 61, is thus driven in the turn of the electric rotating machine 68 Under, it can be driven by the drive gear 69 and ring gear 664 being meshed and rotate 66 turn of guide pad, and then will led into center Material block 65 and the material spray rotated between guide pad 66 carry out spiral acceleration, and then bootable more sprays by spiral flow deflector 661 Material jet flow carries out spiral acceleration between center guide pad 65 and rotation guide pad 66, makes to penetrate from 65 middle spray orifice of center guide pad The material spray gone out is in a disguised form reduced；

The driving motor 13, first reducing motors 34, second reducing motors 45 and electric rotating machine 68 are and PLC controller 2 are electrically connected, and are thus needing to adjust the spacing of the spray angle between spray gun and workpiece surface, jet length and adjacent spray gun, And when being guided to the material spray of spray gun injection, can be by the PLC controller 2 to driving motor 13, first reducing motors 34th, second reducing motors 45 and electric rotating machine 68 are controlled adjusting, to meet the actual demand of workpiece surface processing.

As specific embodiment, the both ends of the support shaft 12 rotate the phase for being arranged horizontally in sandblasting cabin 1 by bearing To on side wall, thus under the driving of the driving motor 13, the support shaft 12 can turn in the opposing sidewalls in sandblasting cabin 1 It is dynamic, to realize that the spray angle between spray gun and workpiece surface is adjusted.As the presently preferred embodiments, the driving motor 13 is servo Motor, it is possible thereby to accurately be controlled the velocity of rotation of support shaft 12, makes the turned position precision of the support shaft 12 non- Often precisely.

As specific embodiment, 31 and second fixed seat 42 of the first fixed seat includes fixed block 311 and fixed column 312, the fixed block 311 is equipped with mounting hole, can supported by the mounting hole by first fixed seat 31 is fixedly sleeved On axis 12, and second fixed seat 42 is fixedly sleeved on supporting rod 41, offered on the side wall of the fixed block 311 With the stable hole of mounting hole perforation, be equipped with the stable hole and support bolt 313, by this support bolt 313 can make it is described Connection between first fixed seat 31 and support shaft 12 and between the second fixed seat 42 and supporting rod 41 is more firm, described solid Fixed column 312 is integrally formed on fixed block 311, and the first reducing motors 34 and second reducing motors 45 are fixedly mounted on fixation On column 312, specifically the first reducing motors 34 and second reducing motors 45 can be fixedly mounted on by fixed column 312 by bolt On.

Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, can be to this The technical solution technical scheme is modified or replaced equivalently of utility model, without departing from the objective and model of technical solutions of the utility model Enclose, it should all cover among the right of the utility model.

Claims

1. a kind of workpiece surface handles uniform sand-blasting machine, it is characterised in that including sandblasting cabin and PLC controller, the sandblasting The article carrying platform for being internally provided with carrying workpiece in cabin, rotate in the opposing sidewalls in the sandblasting cabin be provided with it is horizontally disposed Support shaft, the outside in the sandblasting cabin are equipped with driving motor, one end of the support shaft stretch out outside sandblasting cabin and with driving The output axis connection of motor, is arranged at intervals with multiple horizontal mobile mechanisms, often in the support shaft of the sandblasting cabin interior A reciprocating mechanism is connected with a horizontal mobile mechanism, a branch is connected with each reciprocating mechanism Frame is held, the lower end of each support is connected with spray gun, and the horizontal mobile mechanism is used to control the spray being connected with support Rifle is moved horizontally along the axial direction of support shaft, the reciprocating mechanism be used to controlling the spray gun that is connected with support perpendicular to Support shaft axially direction moves up and down；

Each horizontal mobile mechanism include the first fixed seat, the first sliding sleeve, the first support arm, first reducing motors and First leading screw, first fixed seat is fixedly sleeved in support shaft, and first sliding sleeve is slidably located in support shaft, One end of first support arm is fixedly connected with the outer wall of the first sliding sleeve, and the first reducing motors are fixedly mounted on In one fixed seat, the first reducing motors drive the by the first nut on matching used first leading screw and the first leading screw One sliding sleeve is moved horizontally along the axial direction of support shaft, and one end of first leading screw is fixedly connected on first reducing motors On, the first nut on first leading screw is fixedly connected on the first sliding sleeve；

Each reciprocating mechanism subtracts including supporting rod, the second fixed seat, the second sliding sleeve, the second support arm, second Speed motor and the second leading screw, the upper end edge of the supporting rod is perpendicular to the axial direction of support shaft and the other end of the first support arm It is fixedly connected, second fixed seat is fixedly sleeved on supporting rod, and second sliding sleeve is slidably located on supporting rod, One end of second support arm is fixedly connected with the outer wall of the second sliding sleeve, and the second reducing motors are fixedly mounted on In two fixed seats, the second reducing motors drive the by the second nut on matching used second leading screw and the second leading screw Two sliding sleeves are moved up and down along the axial direction of supporting rod, and one end of second leading screw is fixedly connected on second reducing motors On, the second nut on second leading screw is fixedly connected on the second sliding sleeve；

Each support, which includes branch sleeve, connection bolt and L-shaped connecting rod, the barrel surface of the branch sleeve, to be fixed The lower end of supporting rod is connected to, the branch sleeve inner wall is equipped with internal thread, the screw rod for connecting bolt and branch sleeve Inner thread passes through branch sleeve after coordinating, one end that the screw rod is pierced by branch sleeve is fastened by nut and branch sleeve, Radial direction threaded connection hole is offered in the cylindrical head of the connection bolt, the top of the L-shaped connecting rod is equipped with and screw thread The matched screw thread of connecting hole simultaneously passes through the cylindrical head for connecting bolt, is offered on the lower end connecting portion of the L-shaped connecting rod Connecting hole；

The spray gun includes hollow gun body, and the top of the hollow gun body is equipped with gas interface and sand material interface, the gas connect Mouth is connected by gas conduit with external compression air tank, and the sand material interface passes through sand material conduit and connects with exterior storage sand batch can Connect, the middle part of sliding channel of the hollow gun body is equipped with connection ring, the connection ring and the connection on the connecting portion of L-shaped connecting rod lower end Hole is bolted, and the lower part of the hollow gun body is sequentially with arc center guide pad and rotates guide pad from inside to outside, described The upper end of center guide pad is fixedly connected with the inner wall of hollow gun body by connection strap, and the rotation guide pad is close to center guide One side surface of block is equipped with spiral flow deflector, and the guide pad that rotates is away from the opposite side upper end of center guide pad and hollow gun body Inner wall be rotatablely connected by floating bearing, it is described rotate guide pad lower end pass through one end of plane bearing and the support of bearing connect Connect, the lower outside surface for rotating guide pad is equipped with ring gear, on the support of bearing of the plane bearing side Equipped with electric rotating machine, the rotation axis of the electric rotating machine is equipped with the drive gear being meshed with ring gear, the bearing branch The other end of frame is fixedly connected with the upper outside wall of hollow gun body；

2. workpiece surface according to claim 1 handles uniform sand-blasting machine, it is characterised in that the both ends of the support shaft lead to Bearing rotation is crossed to be arranged horizontally in the opposing sidewalls in sandblasting cabin.

3. workpiece surface according to claim 1 handles uniform sand-blasting machine, it is characterised in that the driving motor is servo Motor.

4. workpiece surface according to claim 1 handles uniform sand-blasting machine, it is characterised in that first fixed seat and the Two fixed seats include fixed block and fixed column, and the fixed block is equipped with mounting hole, offered on the side wall of the fixed block with The stable hole of mounting hole perforation, is equipped with the stable hole and supports bolt, the fixed column is integrally formed on fixed block, institute State first reducing motors and second reducing motors are fixedly mounted in fixed column.