CN212071636U

CN212071636U - Rotary table type automatic sand blasting machine

Info

Publication number: CN212071636U
Application number: CN202020231227.8U
Authority: CN
Inventors: 胡永煌
Original assignee: Nanan Yicheng Machinery Technology Co Ltd
Current assignee: Nanan Yicheng Machinery Technology Co Ltd
Priority date: 2020-03-01
Filing date: 2020-03-01
Publication date: 2020-12-04
Anticipated expiration: 2030-03-01

Abstract

The utility model discloses an automatic sand blasting machine of revolving stage formula, including base, yarn workbin, sand blasting box, first axis of rotation and sand blasting pipe, the yarn workbin is installed to one side on base top, and the base top of yarn workbin one side installs the sand blasting box to the central point department of putting of sand blasting box bottom installs the collection box, and the bottom of collection box extends to the outside of base, install the feed inlet on the outer wall of yarn workbin one side, install the manometer on the yarn workbin outer wall of feed inlet below, and the manometer keeps away from the one end of yarn workbin outer wall and be connected with the ooff valve to the one end that the manometer was kept away from to the ooff valve installs the interface that admits air, the connecting pipe is installed to one side of manometer bottom, and the connecting pipe is kept. The utility model discloses not only improve sand blasting machine's sandblast effect, promote sand blasting machine's work practicality, still reduce sand blasting machine's use cost.

Description

Rotary table type automatic sand blasting machine

Technical Field

The utility model relates to a sand blasting machine technical field specifically is an automatic sand blasting machine of revolving stage formula.

Background

The sand blasting machine adopts compressed air as power to form a high-speed blasting beam to spray blasting materials (steel sand, quartz sand, carborundum, glass sand and resin sand) to the surface of a workpiece to be treated at a high speed, so that the mechanical property of the outer surface of the workpiece is changed, the blasting materials have impact and cutting effects on the surface of the workpiece, the surface of the workpiece obtains certain cleanliness and different roughness, and the mechanical property of the surface of the workpiece is improved, so that the fatigue resistance of the workpiece is improved, the adhesive force between the surface of the workpiece and a coating layer is increased, the durability of the coating film is prolonged, the leveling and decoration of the coating are facilitated, impurities and oxidation layers on the surface of the workpiece can be removed by the sand blasting treatment, the surface of the workpiece is roughened, the residual stress on the surface of the workpiece is eliminated, and the surface hardness of the workpiece is.

The rotary table type automatic sand blasting machine on the market is various and can basically meet the use requirements of people, but certain defects still exist, and the following specific problems exist.

(1) The existing rotary table type automatic sand blasting machine has poor sand blasting effect due to the fact that the abrasive is easy to deposit after standing for a long time and the concentration of the abrasive is different;

(2) when the existing rotary table type automatic sand blasting machine is used, the workpieces are difficult to be blasted on two sides, so that the practicability of the sand blasting machine is reduced;

(3) the existing rotary table type automatic sand blasting machine is difficult to recover the sprayed abrasive, so that the waste of the abrasive is easily caused, and the use cost of the sand blasting machine is greatly increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic sand blasting machine of revolving stage formula to provide the not good, the not strong and higher problem of use cost of sand blasting machine sandblast effect in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary table type automatic sand blasting machine comprises a base, a yarn box, a sand blasting box, a first rotating shaft and a sand blasting pipe, wherein the yarn box is installed on one side of the top end of the base, the sand blasting box is installed on the top end of the base on one side of the yarn box, a recovery box is installed at the central position of the bottom of the sand blasting box, the bottom end of the recovery box extends to the outside of the base, a feed inlet is installed on the outer wall of one side of the yarn box, a pressure gauge is installed on the outer wall of the yarn box below the feed inlet, a switch valve is connected to one end, away from the outer wall of the yarn box, of the pressure gauge, an air inlet interface is installed at one end, away from the pressure gauge, of the switch valve, a connecting pipe is installed on one side of the bottom end of the pressure gauge, a sand outlet ball valve is installed at one end, and the output of first motor installs first pivot through the shaft coupling to first pivot is kept away from the one end of first motor and is installed first pivot, and equidistant stirring fan blade is installed to one side on first pivot surface, install control panel on the outer wall of sandblast case one side, the output of the inside singlechip of control panel and the input electric connection of first motor, through the inside electrical equipment of control panel control device, make its convenient to use person operate.

Preferably, the central point department of putting at sandblast roof portion puts and installs the sandblast frame, and installs the sandblast pipe on the outer wall of sandblast frame one side, and the one end of sandblast pipe is passed through the hose and is connected with the ball valve that goes out the sand, the central point department of putting of sandblast frame bottom installs electronic ball valve, and electronic ball valve's top extends to the inside of sandblast frame, and communicating pipe is installed at the both ends of rose box to the sandblast rifle is installed to the one side of communicating pipe bottom, sprays the abrasive material to the workpiece surface through the sandblast rifle.

Preferably, a servo motor is installed on the outer wall of one side of the sand-blasting box, a servo rotating shaft is installed at the output end of the servo motor through a coupler, a connecting shaft is installed at one end, far away from the servo motor, of the servo rotating shaft, and a clamping mechanism is arranged inside the sand-blasting box at one end of the connecting shaft.

Preferably, the second motor is installed on the outer wall of one side of the sand blasting box, the cam block is installed at the output end of the second motor through the coupler, the guide rod is installed on the outer wall of the sand blasting box on one side of the cam block, the filter box is installed inside the sand blasting box at one end of the guide rod, and through the arrangement of the filter box, impurities in the grinding materials are filtered, so that the grinding materials can be used for the next time.

Preferably, telescopic arms are arranged on the outer walls of two sides of the filter box, one end of each telescopic arm is fixedly connected with the inner wall of the sand-blasting box, springs are arranged on the outer walls of the filter box between the adjacent telescopic arms, and the springs play a role in fixing and limiting the moving range of the filter box.

Preferably, the clamping mechanism is internally provided with a main mounting frame, a main mounting frame and a main mounting frame in sequence, the main mounting frame is fixed inside the sand-blasting box at one end of the connecting shaft, an auxiliary mounting frame is fixed on the outer wall of one side of the main mounting frame, and a supporting plate is arranged on one side of the inside of the auxiliary mounting frame.

Preferably, the cylinder is installed to inside one side of main installing frame, and the one end of cylinder extends to the inside of vice installing frame and with the outer wall fixed connection of backup pad, and the sliding block has all been cup jointed to the both sides on vice installing frame surface, and one side on sliding block top articulates there is the upper connecting rod, and one side of sliding block bottom articulates there is the lower connecting rod.

Preferably, be fixed with the fixed block on the inner wall of the easy one side of vice installing frame, and the central point on fixed block top puts the department and installs the movable rod, and the bottom of movable rod extends to the outside of fixed block to install the centre gripping arm on the outer wall of fixed block one side, through fixture's setting, can fix the work piece, and make its function that can realize the upset, the device of being convenient for carries out two-sided sandblast.

Compared with the prior art, the beneficial effects of the utility model are that: the rotary table type automatic sand blasting machine not only improves the sand blasting effect of the sand blasting machine, improves the working practicability of the sand blasting machine, but also reduces the use cost of the sand blasting machine;

(1) the turntable type automatic sand blasting machine is provided with the first motor, the stirring fan blades and the first rotating shaft, in order to prevent the abrasive in the yarn box from being deposited after being placed for a long time, the first motor is controlled to work through the operation control panel, so that the first motor drives the first rotating shaft to rotate, the first rotating shaft drives the first rotating shaft to rotate together, and finally the first rotating shaft drives the stirring fan blades to rotate together;

(2) the rotary table type automatic sand blasting machine is provided with a clamping arm, an air cylinder and a supporting plate, a workpiece is placed between the clamping arms, then the air cylinder is controlled to work, the air cylinder is in an extension state, the air cylinder pushes the supporting plate to move towards the right side, due to the fact that a sliding block is slidably mounted on one side of the surface of the supporting plate, the sliding block enables an upper connecting rod and a lower connecting rod to move while the surface of the supporting plate moves, the lower connecting rod enables a movable rod to drive the movable rod to slide in the fixed block, the movable rod enables the clamping arms to move towards the upper surface and the lower surface of the workpiece, the workpiece is clamped, then the servo motor is operated to work, the servo rotating shaft and a connecting shaft are driven to rotate together, the connecting shaft drives a clamping mechanism to perform reverse side, the function of double-side sand;

(3) this automatic sand blasting machine of revolving stage formula, through being provided with the cam piece, guide bar and guide bar, operation control panel control second motor carries out work, it is rotatory to make it drive the cam piece, when the bellying of cam piece contacts with the guide bar, the guide bar promotes the rose box and moves to the right side, and flexible arm is the extension state, the spring is compression state, when the bellying of cam piece and guide bar separation, the elasticity of spring can promote the rose box and move to the left side, thereby realize rose box reciprocating motion's horizontal movement, thereby realize the filtering capability to the abrasive material, the abrasive material after the filtration gets into the inside of collection box, thereby accomplish recovery work, reduce sand blasting machine's use cost.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic view of a sectional structure of the blasting box of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the clamping mechanism of the present invention;

fig. 5 is a schematic diagram of the system framework structure of the present invention.

In the figure: 1. a base; 2. a yarn box; 3. a sand blasting box; 4. a recycling bin; 5. a stirring fan blade; 6. a first rotating shaft; 7. a first motor; 8. a first rotating shaft; 9. a feed inlet; 10. a pressure gauge; 11. an on-off valve; 12. an air inlet interface; 13. a connecting pipe; 14. a sand ball valve; 15. a sand blasting pipe; 16. a sand blasting frame; 17. a clamping mechanism; 1701. a main mounting frame; 1702. a cylinder; 1703. a support plate; 1704. a sub-installation frame; 1705. an upper connecting rod; 1706. a slider; 1707. a lower connecting rod; 1708. a clamp arm; 1709. a movable rod; 1710. a fixed block; 18. a control panel; 19. a connecting shaft; 20. a servo spindle; 21. a servo motor; 22. a second motor; 23. a cam block; 24. a guide bar; 25. a telescopic arm; 26. a filter box; 27. a spring; 28. an electric ball valve; 29. a communicating pipe; 30. a sand blasting gun.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a rotary table type automatic sand blasting machine comprises a base 1, a yarn material box 2, a sand blasting box 3, a first rotating shaft 8 and a sand blasting pipe 15, wherein the yarn material box 2 is installed on one side of the top end of the base 1, the sand blasting box 3 is installed on the top end of the base 1 on one side of the yarn material box 2, a recovery box 4 is installed at the central position of the bottom of the sand blasting box 3, the bottom end of the recovery box 4 extends to the outside of the base 1, a feed inlet 9 is installed on the outer wall of one side of the yarn material box 2, a pressure gauge 10 is installed on the outer wall of the yarn material box 2 below the feed inlet 9, a switch valve 11 is connected to one end, away from the outer wall of the yarn material box 2, of the switch valve 11, an air inlet connector 12 is installed to one end, away from the pressure gauge 10, a connecting pipe 13 is installed on one side of the bottom end of the pressure gauge, the center position department at yarn workbin 2 top installs first motor 7, and this first motor 7's model can be SRD853H156-23, and the output of first motor 7 installs first pivot 6 through the shaft coupling to first pivot 6 is kept away from the one end of first motor 7 and is installed first axis of rotation 8, and equidistant stirring fan blade 5 is installed to one side on first axis of rotation 8 surface.

During the use, in order to prevent the phenomenon of deposition from appearing after the inside abrasive material of yarn workbin 2 is placed for a long time, carry out work through operation control panel 18 control first motor 7, make it drive first pivot 6 and rotate, make first pivot 6 drive first pivot 8 and rotate together, finally make first pivot 8 drive stirring fan blade 5 and rotate together, because stirring fan blade 5 is provided with the multiunit, can make the inside abrasive material of yarn workbin 2 be in the active state all the time, avoid its phenomenon of deposition to appear, and can make abrasive material concentration more even, improve sand blasting machine's sandblast effect.

When the sand blasting device is used, the sand blasting frame 16 is installed at the center of the top of the sand blasting box 3, the sand blasting pipe 15 is installed on the outer wall of one side of the sand blasting frame 16, one end of the sand blasting pipe 15 is connected with the sand outlet ball valve 14 through a hose, the electric ball valve 28 is installed at the center of the bottom end of the sand blasting frame 16, the electric ball valve 28 can be of the type SZL-4M, the top end of the electric ball valve 28 extends to the inside of the sand blasting frame 16, the communicating pipes 29 are installed at the two ends of the filter box 26, and the sand blasting gun 30 is installed at one side of the bottom end of the.

During the use, pour into the abrasive material into to the inside of yarn workbin 2 through feed inlet 9, will admit air interface 12 and be connected to outside gas supply device afterwards, through opening on-off valve 11 and sand outlet ball valve 14, make the abrasive material loop through connecting pipe 13 and sand blasting pipe 15, get into the inside of sandblast frame 16 afterwards, control panel 18 control electric ball valve 28 through and carry out work, make it be in normally open state to spout to the surface of work piece through sand blasting gun 30, accomplish sand blasting work of sand blasting machine promptly.

When the pneumatic sand-blasting box is used, the servo motor 21 is installed on the outer wall of one side of the sand-blasting box 3, the type of the servo motor 21 can be Y315M-2, the output end of the servo motor 21 is provided with the servo rotating shaft 20 through the coupler, the end, far away from the servo motor 21, of the servo rotating shaft 20 is provided with the connecting shaft 19, and the clamping mechanism 17 is arranged inside the sand-blasting box 3 at one end of the connecting shaft 19.

When in use, a main mounting frame 1701 and a main mounting frame 1701 are sequentially arranged in the clamping mechanism 17, the main mounting frame 1701 is fixed in the sand-blasting box 3 at one end of the connecting shaft 19, a sub-mounting frame 1704 is fixed on the outer wall of one side of the main mounting frame 1701, a supporting plate 1703 is arranged at one side of the inside of the sub-mounting frame 1704, a cylinder 1702 is arranged at one side of the inside of the main mounting frame 1701, the type of the cylinder 1702 can be SC50X20, one end of the cylinder 1702 extends into the inside of the sub-mounting frame 1704 and is fixedly connected with the outer wall of the supporting plate 1703, sliding blocks 1706 are sleeved on both sides of the surface of the sub-mounting frame 1704, an upper connecting rod 1705 is hinged on one side of the top end of the sliding block 1706, a lower connecting, and the central point department on fixed block 1710 top installs movable rod 1709, and the bottom of movable rod 1709 extends to the outside of fixed block 1710 to install centre gripping arm 1708 on the outer wall of fixed block 1710 one side.

When the device is used, a workpiece is placed between the clamping arms 1708, then the air cylinder 1702 is controlled to work, the air cylinder 1702 is in an extension state, the air cylinder 1702 pushes the supporting plate 1703 to move towards the right side, because the sliding block 1706 is slidably mounted on one side of the surface of the supporting plate 1703, the sliding block 1706 enables the upper connecting rod 1705 and the lower connecting rod 1707 to move while the surface of the supporting plate 1703 moves, the lower connecting rod 1707 drives the movable rod 1709 to slide inside the fixed block 1710, the movable rod 1709 drives the clamping arms 1708 to move towards the upper surface and the lower surface of the workpiece, the workpiece is clamped, then the servo motor 21 is operated to drive the servo rotating shaft 20 and the connecting shaft 19 to rotate together, the connecting shaft 19 drives the reverse side of the clamping mechanism 17 to perform sand blasting on the double sides of the workpiece, and the work practicability of the sand blasting machine is improved.

When the spraying device is used, the second motor 22 is installed on the outer wall of one side of the spraying box 3, the type of the second motor 22 can be Y160M1-2, the output end of the second motor 22 is provided with the cam block 23 through a coupler, the outer wall of the spraying box 3 on one side of the cam block 23 is provided with the guide rod 24, the spraying box 3 at one end of the guide rod 24 is internally provided with the filter box 26, the outer walls of two sides of the filter box 26 are both provided with the telescopic arms 25, one end of each telescopic arm 25 is fixedly connected with the inner wall of the spraying box 3, and the outer wall of the filter box 26 between the adjacent telescopic arms 25 is provided with the spring 27.

When in use, the control panel 18 is installed on the outer wall of one side of the sand-blasting box 3, the type of the control panel 18 can be FHR-211, and the output end of the singlechip in the control panel 18 is electrically connected with the input ends of the first motor 7, the cylinder 1702, the servo motor 21, the second motor 22 and the electric ball valve 28 respectively.

During the use, control second motor 22 through operation control panel 18 and carry out work, make it drive cam block 23 rotatory, when the bellying of cam block 23 contacts with guide bar 24, guide bar 24 promotes rose box 26 and moves to the right side, and telescopic arm 25 is the extension state, spring 27 is compression state, when the bellying of cam block 23 and guide bar 24 separation, spring 27's elasticity can promote rose box 26 and move to the left side, thereby realize rose box 26 reciprocating circular's horizontal motion, thereby realize the filtering capability to the abrasive material, the abrasive material after the filtration gets into the inside of collection box 4, thereby accomplish recovery work, reduce sand blasting machine's use cost.

The working principle is as follows: when in use, firstly, the grinding materials are injected into the yarn box 2 through the feed port 9, then the air inlet port 12 is connected to an external air supply device, the switch valve 11 and the sand outlet ball valve 14 are opened, the grinding materials sequentially pass through the connecting pipe 13 and the sand blasting pipe 15 and then enter the sand blasting frame 16, the electric ball valve 28 is controlled by the control panel 18 to work, so that the electric ball valve is in a normally open state and is blasted to the surface of a workpiece through the sand blasting gun 30, thus completing the sand blasting work of the sand blasting machine, in order to prevent the phenomenon of deposition after the grinding materials in the yarn box 2 are placed for a long time, the first motor 7 is controlled by the operation control panel 18 to work, so that the first rotating shaft 6 is driven to rotate, the first rotating shaft 6 is driven to rotate together with the first rotating shaft 8, finally, the first rotating shaft 8 is driven to rotate together with the stirring fan blades 5, and the stirring, the grinding material in the yarn box 2 can be always in a movable state, the phenomenon of deposition is avoided, the concentration of the grinding material is more uniform, the sand blasting effect of the sand blasting machine is improved, a workpiece is placed between the clamping arms 1708, then the air cylinder 1702 is controlled to work and is in an extension state, the air cylinder 1702 pushes the supporting plate 1703 to move towards the right side, because the sliding block 1706 is arranged on one side of the surface of the supporting plate 1703 in a sliding mode, the sliding block 1706 enables the upper connecting rod 1705 and the lower connecting rod 1707 to move while moving on the surface of the supporting plate 1703, the lower connecting rod 1707 drives the movable rod 1709 to slide in the fixed block 1710, the movable rod 1709 drives the clamping arms 1708 to move towards the upper surface and the lower surface of the workpiece, the workpiece is clamped, then the servo motor 21 is operated to drive the servo rotating shaft 20 and the connecting shaft 19 to rotate together, and the connecting shaft 19 drives the clamping mechanism 17 to, thereby realize the function of sandblast machine to the two-sided sandblast of work piece, improve the work practicality of sandblast machine, spray surplus abrasive material and get into the inside back of rose box 26, control second motor 22 through operation control panel 18 and carry out work, make it drive cam block 23 rotatory, when the bellying of cam block 23 contacts with guide bar 24, guide bar 24 promotes rose box 26 and moves to the right side, and telescopic arm 25 is the extension state, spring 27 is compression state, when the bellying of cam block 23 and guide bar 24 separation, spring 27's elasticity can promote rose box 26 and move to the left side, thereby realize the horizontal motion of rose box 26 reciprocating cycle, thereby realize the filtering capability to the abrasive material, the abrasive material after the filtration gets into the inside of collection box 4, thereby accomplish recovery work, reduce the use cost of sandblast machine.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic sand blasting machine of revolving stage formula, includes base (1), yarn workbin (2), sand blasting box (3), first axis of rotation (8) and sand blasting pipe (15), its characterized in that: the yarn box (2) is installed on one side of the top end of the base (1), the sand spraying box (3) is installed on the top end of the base (1) on one side of the yarn box (2), the recovery box (4) is installed at the central position of the bottom of the sand spraying box (3), the bottom end of the recovery box (4) extends to the outside of the base (1), a feeding hole (9) is installed on the outer wall of one side of the yarn box (2), a pressure gauge (10) is installed on the outer wall of the yarn box (2) below the feeding hole (9), one end, far away from the outer wall of the yarn box (2), of the pressure gauge (10) is connected with a switch valve (11), one end, far away from the pressure gauge (10), of the switch valve (11) is provided with an air inlet interface (12), a connecting pipe (13) is installed on one side of the bottom end of the pressure gauge, go out the top of sand ball valve (14) and the bottom fixed connection of yarn workbin (2), the central point at yarn workbin (2) top puts the department and installs first motor (7), and the output of first motor (7) passes through the shaft coupling and installs first pivot (6) to first pivot (6) are kept away from the one end of first motor (7) and are installed first pivot (8), and equidistant stirring fan blade (5) are installed to one side on first pivot (8) surface, install control panel (18) on the outer wall of sandblast case (3) one side, the output of the inside singlechip of control panel (18) and the input electric connection of first motor (7).

2. A turntable type automatic sand blasting machine according to claim 1, characterized in that: the center position department at sandblast case (3) top installs sandblast frame (16), and installs sandblast pipe (15) on the outer wall of sandblast frame (16) one side, and the one end of sandblast pipe (15) is passed through the hose and is connected with sand outlet ball valve (14), the center position department of sandblast frame (16) bottom installs electronic ball valve (28), and the top of electronic ball valve (28) extends to the inside of sandblast frame (16), and communicating pipe (29) are installed at the both ends of rose box (26) to sandblast rifle (30) are installed to one side of communicating pipe (29) bottom.

3. A turntable type automatic sand blasting machine according to claim 1, characterized in that: the sand-blasting box is characterized in that a servo motor (21) is installed on the outer wall of one side of the sand-blasting box (3), a servo rotating shaft (20) is installed at the output end of the servo motor (21) through a coupler, a connecting shaft (19) is installed at one end, away from the servo motor (21), of the servo rotating shaft (20), and a clamping mechanism (17) is arranged inside the sand-blasting box (3) at one end of the connecting shaft (19).

4. A turntable type automatic sand blasting machine according to claim 1, characterized in that: the sand blasting machine is characterized in that a second motor (22) is installed on the outer wall of one side of the sand blasting box (3), a cam block (23) is installed at the output end of the second motor (22) through a coupler, a guide rod (24) is installed on the outer wall of the sand blasting box (3) of one side of the cam block (23), and a filter box (26) is installed inside the sand blasting box (3) at one end of the guide rod (24).

5. A turntable type automatic sand blasting machine according to claim 4, characterized in that: the outer walls of two sides of the filter box (26) are provided with telescopic arms (25), one end of each telescopic arm (25) is fixedly connected with the inner wall of the sand-blasting box (3), and the outer wall of the filter box (26) between every two adjacent telescopic arms (25) is provided with a spring (27).

6. A turntable type automatic sand blasting machine according to claim 3, characterized in that: the inside of fixture (17) has set gradually main installing frame (1701), main installing frame (1701) and main installing frame (1701), sand blasting box (3) the inside of connecting axle (19) one end is fixed with main installing frame (1701), and is fixed with sub-installing frame (1704) on the outer wall of main installing frame (1701) one side to sub-installing frame (1704) inside one side is provided with backup pad (1703).

7. A turntable type automatic sand blasting machine according to claim 6, characterized in that: the cylinder (1702) is installed to inside one side of main erection frame (1701), the one end of cylinder (1702) extend to the inside of sub-erection frame (1704) and with the outer wall fixed connection of backup pad (1703), sliding block (1706) have all been cup jointed to the both sides on sub-erection frame (1704) surface, and one side on sliding block (1706) top articulates there is upper connecting rod (1705), and one side of sliding block (1706) bottom articulates there is lower connecting rod (1707).

8. A turntable type automatic sand blasting machine according to claim 7, characterized in that: be fixed with fixed block (1710) on the inner wall of the easy one side of assistant installing frame (1704), and the central point on fixed block (1710) top puts the department and installs movable rod (1709), and the bottom of movable rod (1709) extends to the outside of fixed block (1710) to install centre gripping arm (1708) on the outer wall of fixed block (1710) one side.