阅读说明：本技术 一种新工艺金属表面喷沙自动循环装置 (Novel technology metal surface sandblast automatic cycle device ) 是由 洪榕 于 2021-01-08 设计创作，主要内容包括：本发明公开的一种新工艺金属表面喷沙自动循环装置,包括箱体,所述箱体内设有气压腔,所述气压腔内设有用与给装置喷上提供喷射动力的动力装置,所述箱体内设有拨动腔,所述拨动腔内设有用于给装置喷沙控制其箱体自动开关的控制装置,本发明根据机械传动的相关知识,通过方轴上面的拨动衬套实现自动控制当工件进入到装置内实现封闭,放置由于在工作时装置内的金属沙砾喷洒出来,而且在装置内还设有自动摆动装置,既有多角度对工件进行加工,又有自动收集金属沙砾的循环使用的效果。(The invention discloses an automatic circulating device for metal surface sandblasting in a new process, which comprises a box body, wherein an air pressure cavity is arranged in the box body, a power device which provides jet power for the device to be sandblasted is arranged in the air pressure cavity, a stirring cavity is arranged in the box body, and a control device which is used for controlling the automatic opening and closing of the box body for the device to be sandblasted is arranged in the stirring cavity.)

1. The utility model provides a new technology metal surface automatic cycle device that sandblasts, includes the box, its characterized in that: the box is internally provided with an air pressure cavity, a power device which is used for providing jet power for the device spraying is arranged in the air pressure cavity, a stirring cavity is arranged in the box, a control device which is used for controlling the automatic switch of the box body of the device spraying sand is arranged in the stirring cavity, the control device comprises a rotating square shaft which is rotatably connected with the inner wall of the stirring cavity, a rotating main motor is fixedly connected on the inner wall of the stirring cavity, the rotating main motor is rotatably connected with the rotating square shaft, a sliding bush is slidably connected on the rotating square shaft, a stirring sheet is fixedly connected on the sliding bush, a first execution element is fixedly connected on the inner wall of the stirring cavity, the first execution element is slidably connected with the stirring sheet, a stirring conical tooth is fixedly connected on the sliding bush, a stirring cylindrical tooth is fixedly connected on the sliding bush, and a sealing plate is slidably connected on the box, fixedly connected with rack on the closure plate, the rack with stir the cylinder tooth meshing and be connected, stir and rotate on the intracavity wall and be connected with first even axle, first even epaxial fixedly connected with is from the awl tooth, first from the awl tooth with stir the awl tooth and can mesh and be connected, be equipped with the awl tooth chamber in the box, it is connected with the (mixing) shaft to rotate on the awl tooth intracavity wall, fixedly connected with second from the awl tooth on the (mixing) shaft, it is connected with the second transmission shaft to rotate on the awl tooth intracavity wall, fixedly connected with second initiative awl tooth on the second transmission shaft, second initiative awl tooth is connected with the meshing of the driven awl tooth of second, be equipped with sandblast in the box and store the chamber, distribute about fixedly connected with on the (mixing) shaft and be located sandblast store the intracavity and be equipped with three stirring bull stick, through first executive component is right stir the thin slice stir control realize with stir the thin slice is taken together with it shifts about the slip bush And when the poking bevel gear and the rack are engaged, the sealing plate can be lifted, so that the effect of automatically controlling the sand blasting cavity to be isolated from the outside is achieved.

2. The automatic circulation device for metal surface sandblasting of new process as claimed in claim 1, wherein: the power device comprises an air pressure transmission rod fixedly connected with the inner wall of the air pressure cavity, an air pressure balloon is fixedly connected onto the air pressure transmission rod, an air suction control cavity is arranged on the box body, an air pressure execution element is fixedly connected onto the inner wall of the air suction control cavity, an air compressor is fixedly connected onto the inner wall of the air suction control cavity, an air suction pipe is fixedly connected onto the air compressor, an air jet is fixedly connected onto the inner wall of the air pressure cavity, an output air pipe is fixedly connected onto the air jet, and the output air pipe is fixedly connected with the air jet.

3. The automatic circulation device for metal surface sandblasting of new process as claimed in claim 2, wherein: the control device comprises a sand blasting working chamber arranged in the box body, four wedge blocks distributed on the left and right sides of the inner wall of the sand blasting working chamber are arranged on the wedge block, a rotating pin is connected to the wedge block in a rotating mode, an air pressure leather plate is fixedly connected to the rotating pin and can be in contact connection with the output air pipe, the air pressure leather plate is fixedly connected with the wedge blocks through a reset spring, and a sand blasting narrow hole is formed in the box body.

4. The automatic circulation device for metal surface sandblasting of new process as claimed in claim 1, wherein: the signal device comprises a shifting rotating shaft cavity arranged in the box body, a shifting rotating shaft is rotationally connected to the shifting rotating shaft on the inner wall of the shifting rotating shaft cavity, three eccentric discs which are distributed on the left and right sides of the shifting rotating shaft and are fixedly connected with a shaking rotating shaft on the inner wall of the sand blasting working cavity, a shaking plate is fixedly connected to the shaking rotating shaft, a transmission sliding rod is slidably connected to the box body, a fixed block is fixedly connected to the inner wall of the transmission rod cavity, the fixed block is slidably connected with the transmission sliding rod, a spring pin piece is fixedly connected to the transmission sliding rod, an anti-falling pin piece is fixedly connected to the transmission sliding rod, a supporting spring is fixedly connected between the spring pin piece and the fixed block, a transmission main element is fixedly connected to the inner wall of the transmission rod cavity, an accepting element is fixedly connected to the transmission main element, and a third, the last rotation of biography pole intracavity wall is connected with the third axis of rotation, fixedly connected with third initiative awl tooth in the third axis of rotation, the third initiative awl tooth with the meshing of the driven awl tooth of third is connected, first even axle with the second transmission shaft is connected through the belt drive, the second transmission shaft with connect through the belt drive between the third axis of rotation.

5. The automatic circulation device for metal surface sandblasting of new process as claimed in claim 1, wherein: the circulating device comprises a transmission cavity arranged in the box body, a second hydraulic machine is fixedly connected to the transmission cavity, a hydraulic push rod is connected to the second hydraulic machine in a sliding manner, a closed bent plate is fixedly connected to the hydraulic push rod, a transmission shaft is connected to the transmission cavity in a rotating manner, a fourth driven bevel gear is fixedly connected to the transmission shaft, a fourth transmission shaft is connected to the inner wall of the transmission cavity in a rotating manner, a fourth driving bevel gear is fixedly connected to the fourth transmission shaft, a fixed positioning block is fixedly connected to the transmission cavity and is connected with the fourth transmission shaft in a rotating manner, the fourth driving bevel gear is connected with the fourth driven bevel gear in a meshing manner, a collection cavity is arranged in the box body, the inner wall of the collection cavity is connected with the transmission shaft in a rotating manner, a transmission rotating plate is fixedly connected to the transmission shaft, and a sand inlet is arranged on the inner wall of the collection cavity, the inner wall of the sand blasting storage cavity is provided with a sand outlet which is communicated with the sand inlet.

Technical Field

The invention relates to the field of novel processes, in particular to an automatic circulating device for metal surface sandblasting of a novel process.

Background

The sand blasting machines are generally divided into a dry sand blasting machine and a liquid sand blasting machine, the dry sand blasting machine can be divided into a suction sand blasting machine and a press-in sand blasting machine which are also called sand blasting machines, the sand blasting machine is a suction dry sand blasting machine of a shot blasting machine, and a traditional sand blasting device is in a sealed working state.

The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows:

the traditional sand blasting device is not used for timely treating sand on a workpiece, so that the situation that the surface of the workpiece is not machined due to sand accumulation is easy to occur, defective products can be generated, and the situation that the machined surface of the workpiece is not uniform can be generated when the position of the workpiece is not adjusted during machining.

In order to solve the problems, the embodiment designs a new technology metal surface sandblasting automatic circulating device, the new technology metal surface sandblasting automatic circulating device of the embodiment comprises a box body, a gas pressure cavity is arranged in the box body, a power device which provides jet power for the device sandblasting is arranged in the gas pressure cavity, a poking cavity is arranged in the box body, a control device which is used for controlling the box body automatic switch of the device sandblasting control device is arranged in the poking cavity, the control device comprises a rotating square shaft which is rotationally connected with the inner wall of the poking cavity, a rotating main motor is fixedly connected with the inner wall of the poking cavity, the rotating main motor is rotationally connected with the rotating square shaft, a sliding bush is slidably connected with the rotating square shaft, a poking sheet is fixedly connected with the sliding bush, a first executing element is fixedly connected with the inner wall of the poking cavity, and the first executing element is slidably connected with the poking sheet, the sand blasting box is characterized in that a shifting bevel gear is fixedly connected to the sliding bush, a shifting cylindrical gear is fixedly connected to the sliding bush, a closing plate is slidably connected to the box body, a rack is fixedly connected to the closing plate and meshed with the shifting cylindrical gear, a first connecting shaft is rotatably connected to the inner wall of the shifting cavity, a first driven bevel gear is fixedly connected to the first connecting shaft and meshed with the shifting bevel gear, a bevel gear cavity is formed in the box body, a stirring shaft is rotatably connected to the inner wall of the bevel gear cavity, a second driven bevel gear is fixedly connected to the stirring shaft, a second transmission shaft is rotatably connected to the inner wall of the bevel gear cavity, a second driving bevel gear is fixedly connected to the second transmission shaft and meshed with the second driven bevel gear, and a sand blasting storage cavity is arranged in the box body, the stirring shaft is fixedly connected with a left stirring rotating rod and a right stirring rotating rod which are distributed and are positioned in the sand blasting storage cavity, the first execution element is used for controlling the shifting sheet to shift to realize that the shifting sheet is connected with the sliding bush to move left and right, thereby achieving the effect that the toggle conical teeth and the first driven conical teeth on the sliding bush are meshed with the toggle cylindrical teeth and are not meshed with the rack, realizing the automatic closing effect of the closing plate, and enabling the closing plate to be lifted when the toggle cylindrical teeth are meshed with the rack, thereby achieving the effect of automatically controlling the isolation of the sand blasting cavity and the outside, a transmission rod cavity is arranged in the box body, a signal device for receiving whether a workpiece is placed on the sand blast plate is arranged in the dowel bar cavity, a transmission cavity is arranged in the box body, and a circulating device for recycling the used metal gravel into the previous device is arranged in the transmission cavity.

The power device comprises an air pressure transmission rod fixedly connected with the inner wall of the air pressure cavity, an air pressure balloon is fixedly connected onto the air pressure transmission rod, an air suction control cavity is arranged on the box body, an air pressure execution element is fixedly connected onto the inner wall of the air suction control cavity, an air compressor is fixedly connected onto the inner wall of the air suction control cavity, an air suction pipe is fixedly connected onto the air compressor, an air jet is fixedly connected onto the inner wall of the air pressure cavity, an output air pipe is fixedly connected onto the air jet, and the output air pipe is fixedly connected with the air jet.

The control device comprises a sand blasting working chamber arranged in the box body, four wedge blocks distributed on the left and right sides are arranged on the inner wall of the sand blasting working chamber, a rotating pin is connected to the wedge blocks in a rotating mode, an air pressure leather plate is fixedly connected to the rotating pin and can be in contact connection with the output air pipe, the air pressure leather plate is fixedly connected with the wedge blocks through a reset spring, and a sand blasting narrow hole is formed in the box body.

Wherein, the signal device include with the pivot chamber of stirring that is equipped with in the box, stir pivot intracavity wall go up to rotate and be connected with stir the pivot, stir the three eccentric disc that fixedly connected with left and right sides distributes in the pivot, it is connected with the shake pivot to rotate on the work intracavity wall of sandblasting, fixedly connected with shake board in the shake pivot, sliding connection has the transmission slide bar on the box, fixedly connected with fixed block on the transfer bar intracavity wall, the fixed block with transmission slide bar sliding connection, fixedly connected with spring round pin piece on the transmission slide bar, fixedly connected with anticreep round pin piece on the transmission slide bar, spring round pin piece with fixedly connected with supporting spring between the fixed block, fixedly connected with transmission major element on the transfer bar intracavity wall, fixedly connected with receiving element on the transmission major element, stir the last fixedly connected with third driven awl tooth of pivot, the last rotation of biography pole intracavity wall is connected with the third axis of rotation, fixedly connected with third initiative awl tooth in the third axis of rotation, the third initiative awl tooth with the meshing of the driven awl tooth of third is connected, first even axle with the second transmission shaft is connected through the belt drive, the second transmission shaft with connect through the belt drive between the third axis of rotation.

Wherein, the circulating device comprises a transmission cavity arranged in the box body, a second hydraulic machine is fixedly connected on the transmission cavity, a hydraulic push rod is connected on the second hydraulic machine in a sliding way, a closed bent plate is fixedly connected on the hydraulic push rod, a transmission shaft is connected on the transmission cavity in a rotating way, a fourth driven bevel gear is fixedly connected on the transmission shaft, a fourth transmission shaft is connected on the inner wall of the transmission cavity in a rotating way, a fourth driving bevel gear is fixedly connected on the fourth transmission shaft, a fixed positioning block is fixedly connected on the transmission cavity, the fixed positioning block is connected with the fourth transmission shaft in a rotating way, the fourth driving bevel gear is meshed with the fourth driven bevel gear, a collection cavity is arranged in the box body, the inner wall of the collection cavity is connected with the transmission shaft in a rotating way, a transmission rotating plate is fixedly connected on the transmission shaft, and a sand inlet is arranged on the inner wall of the collection cavity, the inner wall of the sand blasting storage cavity is provided with a sand outlet which is communicated with the sand inlet.

The invention has the beneficial effects that: according to the invention, according to the relevant knowledge of mechanical transmission, the sealing of the device is realized by automatically controlling the workpiece to enter the device through the toggle bush on the square shaft, and the metal sand gravel in the device is sprayed out when the device is in operation.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of an automatic circulation device for metal surface sandblasting according to the new process of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in the direction "A-A";

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

fig. 4 is a partially enlarged view of the structure at "C" of fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a new technology metal surface sandblast automatic cycle device, mainly used in the metal sandblast process, the invention will be further explained with the invention figures as follows:

the invention relates to an automatic circulating device for metal surface sandblasting in a new process, which comprises a box body 11, wherein an air pressure cavity 12 is arranged in the box body 11, a power device 901 for providing jet power for device sandblasting is arranged in the air pressure cavity 12, a poking cavity 76 is arranged in the box body 11, a control device 902 for controlling the box body automatic switch for device sandblasting is arranged in the poking cavity 76, the control device 902 comprises a rotating square shaft 51 which is rotatably connected with the inner wall of the poking cavity 76, a rotating main motor 52 is fixedly connected with the inner wall of the poking cavity 76, the rotating main motor 52 is rotatably connected with the rotating square shaft 51, a sliding bush 47 is slidably connected with the rotating square shaft 51, a poking sheet 48 is fixedly connected with the sliding bush 47, a first execution element 53 is fixedly connected with the inner wall of the poking cavity 76, and the first execution element 53 is slidably connected with the poking sheet 48, the sliding bush 47 is fixedly connected with a shifting bevel gear 49, the sliding bush 47 is fixedly connected with a shifting cylindrical gear 46, the box body 11 is slidably connected with a sealing plate 75, the sealing plate 75 is fixedly connected with a rack 45, the rack 45 is meshed with the shifting cylindrical gear 46, the inner wall of the shifting cavity 76 is rotatably connected with a first connecting shaft 63, the first connecting shaft 63 is fixedly connected with a first driven bevel gear 50, the first driven bevel gear 50 is meshed with the shifting bevel gear 49, the box body 11 is internally provided with a bevel gear cavity 58, the inner wall of the bevel gear cavity 58 is rotatably connected with a stirring shaft 61, the stirring shaft 61 is fixedly connected with a second driven bevel gear 60, the inner wall of the bevel gear cavity 58 is rotatably connected with a second transmission shaft 64, the second transmission shaft 64 is fixedly connected with a second driving bevel gear 57, and the second driving bevel gear 57 is meshed with the second driven bevel gear 60, a sandblasting storage cavity 74 is arranged in the box body 11, the stirring shaft 61 is fixedly connected with three stirring rotating rods 62 which are distributed left and right and are positioned in the sandblasting storage cavity 74, the stirring control of the stirring sheet 48 is realized through the first executing element 53, the sliding bush 47 which is associated with the stirring sheet 48 is moved left and right, further, the stirring bevel gear 49 on the sliding bush 47 and the first driven bevel gear 50 are meshed with the stirring cylindrical gear 46 and are not meshed with the rack 45, the automatic closing effect of the closing plate 75 is realized, when the stirring cylindrical gear 46 is meshed with the rack 45, the closing plate 75 can be lifted, so that the automatic control effect of the sandblasting cavity and the external isolation is realized, a transmission rod cavity 36 is arranged in the box body 11, and a signal device 903 for receiving whether a workpiece is placed on the sandblasting plate or not is arranged in the transmission rod cavity 36, a transmission chamber 19 is provided in the casing 11, and a circulation device 904 for recycling the used metal gravel to the previous device is provided in the transmission chamber 19.

According to the embodiment, the power device 901 will be described in detail below, the power device 901 includes an air pressure transmission rod 14 fixedly connected to an inner wall of the air pressure chamber 12, an air pressure balloon 13 is fixedly connected to the air pressure transmission rod 14, an air suction control chamber 17 is provided on the box body 11, an air pressure execution element 15 is fixedly connected to an inner wall of the air suction control chamber 17, an air compressor 18 is fixedly connected to an inner wall of the air suction control chamber 17, an air suction pipe 16 is fixedly connected to the air compressor 18, an air blower 54 is fixedly connected to an inner wall of the air pressure chamber 12, an output air pipe 55 is fixedly connected to the air blower 54, the change of the air in the air pressure balloon 13 is controlled by the change of the air pressure in the air pressure chamber 12, and the air pressure value in the air pressure balloon 13 is transmitted to the air pressure execution element 15 by, thereby controlling the operating state of the air compressor 18.

In the following, the control device 902 is described in detail according to the embodiment, the control device 902 includes a sand blast working chamber 44 provided in the box 11, four wedge blocks 68 which are distributed left and right are arranged on the inner wall of the sand blasting working cavity 44, a rotating pin 69 is rotatably connected on each wedge block 68, an air pressure leather plate 70 is fixedly connected to the rotating pin 69, the air pressure leather plate 70 can be in contact connection with the output air pipe 55, the pneumatic leather plate 70 is fixedly connected with the wedge block 68 through a return spring 71, a sand-blasting narrow hole 72 is arranged on the box body 11, the air in the output air pipe 55 is sprayed out from the output air pipe 55, the pneumatic apron 70 is rotated downwards due to the large air pressure difference, so that the metal sand in the sand blasting storage cavity 74 is ejected together with the metal sand at a high speed to strike on the workpiece to realize the effect of metal surface treatment.

According to the embodiment, the following detailed description is provided for the signaling device 903, the signaling device 903 includes a shifting shaft cavity 31 provided in the box 11, a shifting shaft 33 is rotatably connected to an inner wall of the shifting shaft cavity 31, three eccentric discs 32 distributed left and right are fixedly connected to the shifting shaft 33, a shaking shaft 29 is rotatably connected to an inner wall of the sandblasting working cavity 44, a shaking plate 30 is fixedly connected to the shaking shaft 29, a transmission slide rod 41 is slidably connected to the box 11, a fixed block 37 is fixedly connected to an inner wall of the transmission rod cavity 36, the fixed block 37 is slidably connected to the transmission slide rod 41, a spring pin 40 is fixedly connected to the transmission slide rod 41, an anti-dropping pin 38 is fixedly connected to the transmission slide rod 41, a supporting spring 39 is fixedly connected between the spring pin 40 and the fixed block 37, and a transmission main element 34 is fixedly connected to an inner wall of the transmission rod cavity 36, the receiving element 35 is fixedly connected to the transmission main element 34, the third driven bevel gear 42 is fixedly connected to the toggle rotating shaft 33, the third rotating shaft 65 is rotatably connected to the inner wall of the transmission rod cavity 36, the third driving bevel gear 43 is fixedly connected to the third rotating shaft 65, the third driving bevel gear 43 is engaged with the third driven bevel gear 42, the first connecting shaft 63 is connected to the second transmitting shaft 64 through a belt transmission, the second transmitting shaft 64 is connected to the third rotating shaft 65 through a belt transmission, the shaking plate 30 is driven to rotate clockwise by the gravity of a workpiece on the shaking plate 30, and the transmission slide bar 41 is further driven to shake, so that the transmission slide bar 41 presses the receiving element 35 on the transmission main element 34 to receive a pressing signal, and further, the transmission main element 34 transmits the signal to the first executing element 53, the toggle sheet 48 is toggled to achieve the self-closing effect of the closing plate 75.

According to the embodiment, the following describes in detail the circulation device 904, the circulation device 904 includes a transmission cavity 19 disposed in the box 11, the transmission cavity 19 is fixedly connected with a second hydraulic machine 23, the second hydraulic machine 23 is slidably connected with a hydraulic push rod 20, the hydraulic push rod 20 is fixedly connected with a closed curved plate 24, the transmission cavity 19 is rotatably connected with a transmission shaft 21, the transmission shaft 21 is fixedly connected with a fourth driven bevel gear 25, the inner wall of the transmission cavity 19 is rotatably connected with a fourth transmission shaft 66, the fourth transmission shaft 66 is fixedly connected with a fourth driving bevel gear 22, the transmission cavity 19 is fixedly connected with a fixed positioning block 67, the fixed positioning block 67 is rotatably connected with the fourth transmission shaft 66, the fourth driving bevel gear 22 is engaged with the fourth driven bevel gear 25, the box 11 is disposed with a collection cavity 28, the inner wall of the collection cavity 28 is rotatably connected with the conveying shaft 21, the conveying shaft 21 is fixedly connected with a conveying rotating plate 27, the inner wall of the collection cavity 28 is provided with a sand inlet 26, the inner wall of the sand blasting storage cavity 74 is provided with a sand outlet 56, and the sand outlet 56 is communicated with the sand inlet 26.

The use steps herein are described in detail below with reference to fig. 1-4:

initially, the toggle cylinder 46 is engaged with the rack gear 45, the toggle bevel gear 49 is disengaged from the first driven bevel gear 50, the rack gear 45 is at the lowermost side, and the drive slide 41 does not contact the receiver member 35.

At the beginning, the rotating main motor 52 is started, the rotating square shaft 51 drives the sliding bush 47 to rotate, the first driven bevel gear 50 is disengaged from the shifting bevel gear 49, the shifting cylindrical gear 46 is engaged with the rack 45, the closing plate 75 is slowly lifted by engaging the shifting cylindrical gear 46 with the rack 45, then the workpiece to be processed is put on the shaking plate 30, the shaking plate 30 is driven to rotate clockwise by the gravity of the workpiece, the transmission slide bar 41 is driven to move downwards by the rotation of the shaking plate 30, the transmission slide bar 41 is pressed to the receiving element 35 to transmit a pressure signal to the transmission main element 34, the transmission main element 34 transmits a command to slide the shifting sheet 48 leftwards by the first execution element 53, the shifting cylindrical gear 46 is disengaged from the rack 45, the shifting bevel gear 49 is engaged with the first driven bevel gear 50, and the closing plate 75 descends to the automatic sand blasting working chamber 44, the shifting bevel gear 49 is meshed with the first driven bevel gear 50 to drive the first connecting shaft 63 to rotate, the second connecting shaft 64 is driven to rotate by belt transmission between the first connecting shaft 63 and the second connecting shaft 64, the stirring shaft 61 is driven to rotate by bevel gear transmission between the second connecting shaft 64 and the stirring shaft 61, sand blasting in the sand blasting storage cavity 74 is stirred by the stirring rotating rod 62 on the stirring shaft 61, the situation that the sand blasting in the sand blasting storage cavity 74 is locally concentrated is prevented, on the other hand, the third rotating shaft 65 is driven to rotate by belt transmission between the second connecting shaft 64 and the third rotating shaft 65, the shifting rotating shaft 33 is driven to rotate by bevel gear transmission between the third rotating shaft 65 and the shifting rotating shaft 33, the eccentric disc 32 on the shifting rotating shaft 33 rotates to enable the shaking plate 30 to continuously swing, and then the sand blasting on the shaking plate 30 is shaken off from a workpiece and collected body to flow into the collecting cavity 28, the sand blasting angle of the workpiece is changed, the effect of the workpiece processing surface is effectively improved, the fourth transmission shaft 66 is driven to rotate through belt transmission between the third rotating shaft 65 and the fourth transmission shaft 66, the transmission rotating plate 27 on the transmission shaft 21 is driven to rotate through bevel gear transmission between the fourth transmission shaft 66 and the transmission shaft 21, the sand blasting in the collecting cavity 28 is made to circulate again through the sand outlet 56 and return to the sand blasting storage cavity 74 through the transmission rotating plate 27, the reciprocating circulation effect is achieved, then the air compressor 18 is started, the air pressure change in the air pressure balloon 13 is changed through the air pressure change in the air pressure cavity 12, the pressure signal is transmitted to the air pressure execution element 15 through the air pressure transmission rod 14, and the working state of the air compressor 18 is controlled by the air pressure execution element 15, so that the air pressure in the air pressure cavity 12 is always kept stable.

The invention has the beneficial effects that: according to the invention, according to the relevant knowledge of mechanical transmission, the sealing of the device is realized by automatically controlling the workpiece to enter the device through the toggle bush on the square shaft, and the metal sand gravel in the device is sprayed out when the device is in operation.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.