CN113305745A

CN113305745A - Sand blasting processing equipment with automatic feeding and discharging functions

Info

Publication number: CN113305745A
Application number: CN202110608443.9A
Authority: CN
Inventors: 董梦瑶
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-08-27

Abstract

The invention relates to a sand blasting processing device with an automatic feeding and discharging function. The automatic sand blasting machine comprises a sand blasting support positioned in the middle, a sand blasting device is installed on the sand blasting support, a feeding support is arranged in front of the sand blasting support, a discharging support is arranged behind the sand blasting support, and a supporting plate conveyor for conveying supporting plates is arranged on the side parts of the sand blasting support, the feeding support and the discharging support; a positioning device is arranged in the middle of the feeding support, a feeding conveying device is arranged on the inner side of the positioning device, a tray separating device is arranged on the outer side of the positioning device, a workpiece transferring device is arranged in the middle of the tray separating device, a supporting plate transferring device is arranged in the front of the feeding conveying device, a feeding transverse moving device is arranged in the middle of the feeding conveying device, and a feeding longitudinal moving device is arranged in the middle and rear of the feeding conveying device; the blanking support is provided with a blanking conveying device, the middle front part of the blanking conveying device is provided with a blanking longitudinal moving device, and the tail of the blanking conveying device is provided with a blanking transverse moving device. The invention has reasonable structural design, realizes continuous sand blasting processing and improves the efficiency of workpiece processing.

Description

Sand blasting processing equipment with automatic feeding and discharging functions

Technical Field

The invention belongs to the technical field of sand blasting equipment, and particularly relates to sand blasting processing equipment with an automatic feeding and discharging function.

Background

The sand blasting is a process of cleaning and roughening the surface of a substrate by using the impact action of high-speed sand flow. Compressed air is used as power to form a high-speed spray beam to spray materials (copper ore sand, quartz sand, carborundum, iron sand, Hainan sand and the like) to the surface of a workpiece to be treated at a high speed, so that the appearance or the shape of the surface of the workpiece is changed, and the surface of the workpiece obtains certain cleanliness and different roughness due to the impact and cutting action of an abrasive on the surface of the workpiece, so that the mechanical property of the surface of the workpiece is improved, the fatigue resistance of the workpiece is improved, the adhesive force between the workpiece and a coating is increased, the durability of a coating film is prolonged, and the leveling and decoration of a coating are facilitated. Sand blasting has become one of the important processing technologies in the current industrial production link.

The sand blasting is generally performed in a sand blasting machine, generally, the sand blasting machine comprises a sand blasting chamber, a nozzle device, a compressed air device, a blasting material supply device and the like, a workpiece is placed on a processing platform in the sand blasting chamber, the compressed air device continuously conveys compressed air and blasting material to the nozzle device by the blasting material supply device, and the blasting material is sprayed onto the surface of the workpiece at a high speed under the action of high-speed air flow, so that the purpose of sand blasting is achieved.

The existing sand blasting equipment is usually suitable for single-piece sand blasting, automatic feeding and automatic discharging cannot be realized, and the existing sand blasting equipment cannot meet the requirement of continuous processing and has low sand blasting efficiency for sand blasting of large-batch workpieces.

Disclosure of Invention

The invention provides the sand blasting processing equipment with the automatic feeding and discharging functions, which is reasonable in structural design and is used for solving the technical problems in the prior art, so that the continuous sand blasting processing is realized, and the workpiece processing efficiency is improved.

The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: a sand blasting processing device with automatic feeding and discharging functions comprises a sand blasting support positioned in the middle, a sand blasting device is installed on the sand blasting support, a feeding support is arranged in front of the sand blasting support, a discharging support is arranged behind the sand blasting support, and a supporting plate conveyor for conveying supporting plates is arranged on the side parts of the sand blasting support, the feeding support and the discharging support; a positioning device for positioning the workpiece is arranged in the middle of the feeding support, a feeding conveying device for conveying a combination body formed by the workpiece and the supporting plate to the rear is arranged on the inner side of the positioning device, a tray separating device for separating the workpiece and the tray is arranged on the outer side of the positioning device, a workpiece transferring device for transferring the separated workpiece to the positioning device is arranged in the middle of the tray separating device, a supporting plate transferring device for transferring the supporting plate on the supporting plate conveyor to the feeding conveying device is arranged at the front part of the feeding conveying device, a feeding transverse moving device for transferring the positioned workpiece to the feeding conveying device is arranged in the middle of the feeding conveying device, and a feeding longitudinal moving device for transferring the combination body formed by the workpiece and the supporting plate to the sand blasting device is arranged at the middle rear part of the feeding conveying device; the blanking support is provided with a blanking conveying device, the middle front part of the blanking conveying device is provided with a blanking longitudinal moving device for transferring a combination body formed by the processed workpiece and the supporting plate from the sand blasting device to the blanking conveying device, and the tail of the blanking conveying device is provided with a blanking transverse moving device.

The invention has the advantages and positive effects that:

compared with the existing sand blasting equipment, the sand blasting equipment provided by the invention has the advantages that the automatic feeding device is arranged in front of the sand blasting device, and the automatic discharging device is arranged behind the sand blasting device, so that the technical effects of automatic feeding of a sand blasting workpiece to the sand blasting device and automatic discharging from the sand blasting device after the sand blasting workpiece is processed are realized, the continuous sand blasting processing of the whole sand blasting equipment is realized through the automatic feeding and automatic discharging functions, and the workpiece processing efficiency is greatly improved.

Through installing tray separator on the material loading support, the separation operation between work piece and the tray has been realized, through setting up work piece transfer device, the transfer operation of work piece after the separation has been realized, through setting up positioner, the location operation to the work piece has been realized, through setting up layer board transfer device, the operation of shifting the layer board on the layer board conveyer to material loading conveyor has been realized, through setting up material loading sideslip device, the operation of shifting the work piece after the location to material loading conveyor has been realized, through setting up the material loading and indulging the device, the operation of shifting the assembly of layer board and work piece to sand blasting unit has been realized.

The feeding longitudinal moving device is mounted on the feeding support, so that the operation of transferring the processed combination of the supporting plate and the workpiece to the feeding conveying device is realized, the feeding transverse moving device is arranged at the tail of the feeding conveying device, the operation of transferring the combination of the supporting plate and the workpiece to the side part is realized, and manual material receiving is facilitated. The supporting plate conveyor for conveying the supporting plate is arranged on the side parts of the sand blasting support, the feeding support and the discharging support, so that the technical effect that the supporting plate after receiving materials is circularly supplied to the front part is achieved.

Preferably: the sand blasting support comprises a conveying line which is supported by a plurality of stand columns and conveys a combined body formed by a workpiece and a supporting plate from front to back; the conveying line comprises a driving chain wheel set, a driven chain wheel set and a speed reducer for driving the driving chain wheel set, and a plurality of chains are arranged between the driving chain wheel set and the driven chain wheel set in parallel.

Preferably: the sand blasting device comprises a sand blasting box, a nozzle support is arranged in the sand blasting box, a plurality of nozzles are arranged on the nozzle support, a compressed air main valve and a compressed air path switching valve are also arranged in the sand blasting box, an inlet of the compressed air main valve is connected to a compressed air source, an outlet of the compressed air main valve is connected to the compressed air path switching valve through a pipeline, and the compressed air path switching valve is connected to a compressed air inlet of each nozzle through a pipeline; the spraying material supply device is also included, and the outlet of the spraying material supply device is connected to the spraying material inlet of each nozzle through a pipeline; the sand blasting device also comprises a spray collecting cover.

Preferably: the supporting plate transferring device comprises a supporting plate transferring base arranged on the feeding support, a supporting plate transferring cross beam is arranged at the top of the supporting plate transferring base, a supporting plate transferring vertical beam capable of moving in a transverse mode is arranged on the supporting plate transferring cross beam, a supporting plate lifting base capable of moving in a lifting mode is arranged on the supporting plate transferring vertical beam, a supporting plate clamping cylinder is arranged at the bottom of the supporting plate lifting base, and two opposite supporting plate clamping jaws are arranged at the movable end of the supporting plate clamping cylinder; the device also comprises a driving component for driving the supporting plate transferring vertical beam to move transversely and a driving component for driving the supporting plate lifting base to move up and down.

Preferably: the tray separating device comprises a separating conveyer belt, separating side frames are arranged on two sides of the front part of the separating conveyer belt, and tray positioning guardrails are arranged on two sides of the rear part of the separating conveyer belt; install the fixed subassembly of tray that carries out the fixing to the tray at the lateral part of tray location guardrail, install the tray lifting means who carries out the bearing to the tray at the lateral part of separation side frame, install the jacking subassembly in the anterior below of separation conveyer belt, be equipped with the separation subassembly at the middle part of separation conveyer belt.

Preferably: the workpiece transfer device comprises a workpiece transfer base arranged on the feeding support, a workpiece transfer cross beam is arranged at the top of the workpiece transfer base, a workpiece transfer vertical beam capable of moving in a transverse mode is arranged on the workpiece transfer cross beam, a workpiece lifting cylinder is arranged on the workpiece transfer vertical beam, a workpiece lifting plate is arranged at the lower end of a piston rod of the workpiece lifting cylinder, and a plurality of workpiece suckers are arranged on the workpiece lifting plate; the device also comprises a driving component for driving the workpiece transfer vertical beam to move transversely.

Preferably: the positioning device comprises a bottom plate arranged on the feeding support, a supporting plate is arranged on the bottom plate through a plurality of pillars, a supporting frame is arranged on the supporting plate, a base plate is arranged on the supporting frame, and a plurality of positioning dies with workpiece positioning grooves are fixedly arranged on the surface of the base plate; the device also comprises a driving component for driving the supporting frame to move back and forth.

Preferably: the feeding transverse device comprises a feeding transverse base arranged on the feeding support, a feeding transverse cross beam is arranged at the top of the feeding transverse base, a feeding first transverse vertical beam and a feeding second transverse vertical beam which can move transversely are arranged on the feeding transverse cross beam, a feeding lifting base capable of moving up and down is arranged on the feeding first transverse vertical beam, a plurality of feeding transverse clamping cylinders are arranged at the bottom of the feeding lifting base, a feeding lifting plate capable of moving up and down is arranged on the feeding second transverse vertical beam, and a plurality of feeding suckers are arranged on the feeding lifting plate; the device also comprises a driving assembly for driving the feeding first transverse vertical beam and the feeding second transverse vertical beam to do transverse movement, a driving assembly for driving the feeding lifting base to do lifting movement and a driving assembly for driving the feeding lifting plate to do lifting movement.

Preferably: the feeding longitudinal moving device comprises a feeding longitudinal moving base arranged on a feeding support, a feeding first longitudinal moving beam and a feeding second longitudinal moving beam are arranged at the top of the feeding longitudinal moving base, a feeding longitudinal moving connecting beam is arranged between the feeding first longitudinal moving beam and the feeding second longitudinal moving beam, a feeding lifting cylinder is arranged on the feeding longitudinal moving connecting beam, a feeding lifting base is arranged on a piston rod of the feeding lifting base, a feeding longitudinal moving clamping cylinder is arranged at the bottom of the feeding lifting base, and two opposite feeding clamping claws are arranged at the movable end of the feeding longitudinal moving clamping cylinder; the feeding device also comprises a driving component for driving the feeding longitudinal moving connecting beam to do longitudinal moving movement.

Preferably: the blanking longitudinal moving device comprises a blanking longitudinal moving base arranged on the feeding support, a first blanking longitudinal moving beam and a second blanking longitudinal moving beam are arranged at the top of the blanking longitudinal moving base, a blanking longitudinal moving connecting beam is arranged between the first blanking longitudinal moving beam and the second blanking longitudinal moving beam, a blanking lifting cylinder is arranged on the blanking longitudinal moving connecting beam, a blanking lifting base is arranged on a piston rod of the blanking lifting base, a blanking longitudinal moving clamping cylinder is arranged at the bottom of the blanking lifting base, and two opposite blanking clamping jaws are arranged at the movable end of the blanking longitudinal moving clamping cylinder; the blanking longitudinal moving connecting beam is driven to longitudinally move by the driving component.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the automatic loading device according to the present invention;

FIG. 3 is a schematic structural view of an automatic blanking device according to the present invention;

FIG. 4 is a schematic view of the structure of the pallet transfer apparatus of FIG. 2;

FIG. 5 is a schematic structural view of the tray separating device and the work transferring device of FIG. 2;

FIG. 6 is a schematic view of the structure of the tray separating apparatus of FIG. 2;

FIG. 7 is a schematic structural view of the tray lift assembly of FIG. 6;

FIG. 8 is a schematic structural view of the tray holding assembly of FIG. 6;

FIG. 9 is a schematic view of the positioning device of FIG. 2;

FIG. 10 is a schematic illustration of the structure of the infeed traversing device of FIG. 2;

FIG. 11 is a schematic structural view of the feeding longitudinal moving device in FIG. 2;

FIG. 12 is a schematic structural view of the feeding and conveying device in FIG. 2;

FIG. 13 is a schematic view showing the internal structure of the blasting apparatus of FIG. 1;

FIG. 14 is a schematic structural view of the nozzle assembly of FIG. 13;

FIG. 15 is a schematic structural view of the blanking longitudinal moving device in FIG. 3;

FIG. 16 is a schematic view of the structure of the blanking conveying device and the blanking traversing device in FIG. 3.

In the figure:

1. a pallet conveyor; 2. a feeding support; 3. a pallet transfer device; 3-1, a pallet transfer base; 3-2, a supporting plate transfer sliding block; 3-3, a supporting plate translation motor; 3-4, a supporting plate transfer beam; 3-5, a pallet transfer track; 3-6, a supporting plate lifting motor; 3-7, transferring the vertical beam by a supporting plate; 3-8, a supporting plate lifting base; 3-9, a supporting plate clamping cylinder; 3-10, pallet jaws; 4. a tray separating device; 4-1, separating the conveyer belt; 4-2, separating side frames; 4-3, a tray lifting assembly; 4-3-1, a base; 4-3-2, a first pushing cylinder; 4-3-3, a frame body; 4-3-4, lifting the tongue plate; 4-3-5, separating a slide rail; 4-3-6, separating the slide block; 4-4, jacking the assembly; 4-5, a tray fixing component; 4-5-1, a second pushing cylinder; 4-5-2, clamping the cylinder; 4-5-3, a shifting fork; 4-5-4, a translation cylinder; 4-5-5, a translation slide rail; 4-5-6, a translation sliding block; 4-6, a pallet positioning guardrail; 4-7, a barrier component; 5. a workpiece transfer device; 5-1, a workpiece transfer base; 5-2, transferring a cross beam by a workpiece; 5-3, transferring the workpiece to a vertical beam; 5-4, a workpiece lifting cylinder; 5-5, a workpiece lifting plate; 5-6, workpiece suction disc; 6. a positioning device; 6-1, a bottom plate; 6-2, a strut; 6-3, a support plate; 6-4, a slide bar; 6-5, a sliding block; 6-6, a support frame; 6-7, horizontally pushing a cylinder; 6-8, a backing plate; 6-9, positioning a mold; 7. a feeding traversing device; 7-1, feeding and transversely moving the base; 7-2, feeding and transversely moving a motor; 7-3, feeding a first transverse moving vertical beam; 7-4, feeding a first lifting motor; 7-5, feeding a second transverse moving vertical beam; 7-6, feeding a second lifting motor; 7-7, feeding and transversely moving the cross beam; 7-8, feeding and transversely moving the sliding block; 7-9, feeding and transversely moving the rails; 7-10, a feeding lifting plate; 7-11, a feeding sucker; 7-12, feeding and transversely moving a clamping cylinder; 7-13, a feeding lifting base; 8. a feeding longitudinal moving device; 8-1, loading and longitudinally moving a base; 8-2, feeding a longitudinal moving motor; 8-3, feeding a first longitudinal moving beam; 8-4, feeding and longitudinally moving the connecting beam; 8-5, feeding and longitudinally moving a sliding block; 8-6, feeding a longitudinal moving track; 8-7, feeding a second longitudinal moving beam; 8-8, a feeding lifting cylinder; 8-9, a feeding lifting base; 8-10, feeding and longitudinally moving a clamping cylinder; 8-11, feeding clamping jaws; 9. a feeding and conveying device; 9-1, a first feeding conveyer belt; 9-2, a second feeding conveyer belt; 10. a sand blasting support; 10-1, conveying lines; 11. a sand blasting device; 11-1, a coarse filter box; 11-2, a fan; 11-3, an exhaust hood; 11-4, a fine filter box; 11-5, connecting a pipeline; 11-6, a spray material collecting cover; 11-7, an exhaust duct; 11-8, a compressed air main valve; 11-9, a nozzle holder; 11-10, a swing motor; 11-11, a nozzle; 11-12, compressing the gas circuit switching valve; 11-13, a gas-collecting hood; 12. a blanking support; 13. a blanking longitudinal moving device; 13-1, blanking and longitudinally moving a base; 13-2, a blanking clamping jaw; 13-3, blanking and longitudinally moving a motor; 13-4, blanking and clamping the cylinder; 13-5, blanking longitudinal movement rails; 13-6, blanking lifting base; 13-7, blanking and longitudinally moving a sliding block; 13-8, blanking and longitudinally moving a connecting beam; 13-9, blanking a first longitudinal moving beam; 13-10, blanking a second longitudinal moving beam; 13-11, a blanking lifting cylinder; 14. a blanking conveying device; 14-1, a first blanking conveyer belt; 14-2, a second blanking conveying belt; 15. a feeding transverse moving device; 16. a tray; 17. a workpiece; 18. and (7) a supporting plate.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1, the sand blasting apparatus with automatic loading and unloading function of the present invention includes a sand blasting support 10 located in the middle, and a sand blasting device 11 is installed on the sand blasting support 10. The front part of the sand blasting support 10 is provided with a feeding support 2, the rear part is provided with a discharging support 12, and the side parts of the sand blasting support 10, the feeding support 2 and the discharging support 3 are provided with a support plate conveyor 1 for conveying support plates 18.

Sandblast support 10 supports sandblast 11, and loading support 2 is used for supporting automatic feeding device, and unloading support 12 is used for supporting automatic unloader, and layer board conveyer 1 is used for shifting the transport to the anterior position of equipment with layer board 18 that equipment tail position produced, has realized the used cycle of layer board 18.

The pallet conveyor 1 comprises a strip-shaped frame, a plurality of carrier rollers are mounted at the top of the frame, two chain wheels are mounted at the end part of a roller shaft of each carrier roller, the chain wheels of two adjacent carrier rollers are connected in a chain transmission manner, the pallet conveyor further comprises a driving machine for driving one of the carrier rollers to rotate, and each carrier roller rotates synchronously to convey a pallet 18 placed on the carrier roller.

As shown in the figure, the feeding support 2 and the discharging support 12 have the same structure, and both comprise a frame constructed by metal profiles, box plates are arranged on the front, the back, the left and the right of the frame, a supporting panel is arranged on the top of the frame, and accessories are fixedly arranged on the supporting panel.

In this embodiment, the blasting support 10 includes a conveying line 10-1 for conveying a combined body of a workpiece 17 and a pallet 18 from front to back, which is supported by a plurality of columns; the conveying line 10-1 comprises a driving chain wheel set, a driven chain wheel set and a speed reducer for driving the driving chain wheel set, and a plurality of chains are arranged between the driving chain wheel set and the driven chain wheel set in parallel. Specifically, the driving sprocket group comprises a driving rotating shaft, a plurality of driving sprockets are mounted on the driving rotating shaft, the driven sprocket group comprises a driven rotating shaft, a plurality of driven sprockets are mounted on the driven rotating shaft, chains are mounted between the corresponding driving sprockets and the corresponding driven sprockets, the plurality of chains form a support for a combination body formed by the workpiece 17 and the supporting plate 18, the combination body formed by the workpiece 17 and the supporting plate 18 is transferred to the conveying line 10-1 through the automatic feeding device, the conveying line 10-1 transfers the combination body from front to back, sand blasting is completed in the transfer process, and the combination body transferred to the tail of the conveying line 10-1 is discharged through the automatic discharging device.

Referring to fig. 1 and 13, it can be seen that:

the sand blasting device 11 comprises a sand blasting box which is arranged on the top of the sand blasting support 10, a sand blasting inlet is arranged at the bottom of the front box wall of the sand blasting box, a sand blasting outlet is arranged at the bottom of the rear box wall of the sand blasting box, as shown in the figure, the front part of the conveying line 10-1 extends out of the sand blasting inlet for a certain length, and the rear part extends out of the sand blasting outlet for a certain length.

A nozzle device is installed in the sandblasting box, and the nozzle device sprays a high-speed blast of blasting material onto the surface of the workpiece 17 while the workpiece 17 passes through the front of the nozzle device, thereby completing the sandblasting process.

The nozzle device comprises a nozzle support 11-9, a plurality of nozzles 11-11 are mounted on the nozzle support 11-9, a compressed air main valve 11-8 and a compressed air path switching valve 11-12 are further mounted in a sand blasting box, an inlet of the compressed air main valve 11-8 is connected to a compressed air source, an outlet of the compressed air main valve is connected to the compressed air path switching valve 11-12 through a pipeline, and the compressed air path switching valve 11-12 is connected to a compressed air inlet of each nozzle 11-11 through a pipeline. And a spray supply device, the outlet of which is connected to the spray inlet of each nozzle 11-11 through a pipeline.

Compressed air from a compressed air source (such as an air compressor and the like) is conveyed to a compressed air path switching valve 11-12 through a compressed air main valve 11-8, the compressed air path switching valve 11-12 is equivalent to an air distribution valve, a plurality of switching joints are arranged on the compressed air path switching valve 11-12, one end of a gas pipeline between the compressed air path switching valve 11-12 and a nozzle 11-11 is in butt joint connection with the switching joints on the compressed air path switching valve 11-12, and the other end of the gas pipeline is in butt joint connection with a compressed air inlet at the rear part of the nozzle 11-11.

The spray supply device may be provided outside the spray box and structurally include a spray box, an outlet of which is connected to a spray inlet at the rear of each nozzle 11-11 through a pipe, and a vibration motor. The vibrating motor is used for providing a vibrating effect for the material spraying box, so that spraying materials in the box can move more smoothly in the pipeline. The compressed air and the spraying material are simultaneously sent into the nozzles 11-11, and the spraying material is sprayed out at high speed under the action of the compressed air.

In this embodiment, a swing assembly may be provided for the nozzles 11 to 11, and the spray angle of the nozzles 11 to 11 may be adjusted by the swing assembly during the sand blasting process. Referring to fig. 14, it can be seen that: the nozzle support 11-9 comprises a nozzle base, two opposite nozzle supports are arranged on the nozzle base, shaft bases are respectively arranged on the inner sides of the tops of the two nozzle supports, a nozzle rotating shaft is arranged between the two shaft bases, and the three nozzles 11-11 are fixedly arranged on the nozzle rotating shaft and the spraying directions are kept consistent. The nozzle comprises a nozzle rotating shaft, a rocker arm, a rocking motor and a pull rod, wherein the rocker arm is installed at one end of the nozzle rotating shaft, the rocking motor is installed with a rotary disc on an output shaft, the pull rod is arranged between the edge of the rotary disc and the end of the rocker arm, specifically, the upper end of the pull rod is hinged with the end of the rocker arm, and the lower end of the pull rod is hinged with the edge of the rotary disc. Thus, the swing motor drives the turntable to rotate, the pull rod pushes and pulls the rocker arm, and the nozzle rotating shaft drives each nozzle 11-11 to swing up and down, so that the change of the spraying direction is realized.

The sand blasting device 11 also comprises a spray material collecting cover 11-6, the spray material collecting cover 11-6 is arranged inside the sand blasting support 10 and below the conveying line 10-1, so that spray materials sprayed from the spray nozzles 11-11 fall into the spray material collecting cover 11-6, after a certain time of operation, a valve at the bottom of the spray material collecting cover 11-6 is opened, the spray materials inside are discharged, and the spray materials are placed into a spray material box again after treatment.

In this embodiment, the blasting apparatus 11 is further provided with a filtering and exhausting assembly for exhausting the air flow in the sandblasting box after filtering, so as to prevent the air flow mixed with the blasting material from escaping from the sandblasting inlet and the sandblasting outlet of the sandblasting box. Referring to fig. 13, it can be seen that: the filtering and exhausting assembly comprises a gas collecting hood 11-13, a coarse filtering box 11-1, a fan 11-2, a fine filtering box 11-4 and an exhaust hood 11-3, wherein the gas collecting hood 11-13 is positioned at the top of an inner cavity of the sand-blasting box, an outlet of the gas collecting hood 11-13 is in butt joint with an inlet of the coarse filtering box 11-1 through an exhaust pipeline 11-7, an outlet of the coarse filtering box 11-1 is in butt joint with an inlet of the fan 11-2, an outlet of the fan 11-2 is in butt joint with an inlet of the fine filtering box 11-4, and an outlet of the fine filtering box 11-4 is connected with an inlet of the exhaust hood 11-3 through connecting pipelines 11-5.

As shown in the figure, a coarse filter box 11-1, a fan 11-2, a fine filter box 11-4 and an exhaust hood 11-3 are positioned below a spray material collecting hood 11-6. The air collecting hood 11-13 is used for collecting air flow in the sand blasting box, the coarse filter box 11-1 is used for primarily filtering the air flow and removing sand grains with larger and heavier grain diameters, the fan 11-2 is used for providing flowing power for the air flow, the fine filter box 11-4 is used for filtering the air flow and filtering sand grains with smaller and lighter grain diameters, and the air flow which becomes clean after filtering is discharged through the exhaust hood 11-3.

Specifically, the coarse filter box 11-1 traps larger sand grains in an impact trapping manner, the coarse filter box 11-1 comprises a coarse filter box body, a trapping baffle plate is obliquely arranged in the coarse filter box body, sand grains contained in the air flow input along the air exhaust pipeline 11-7 impact the trapping baffle plate to be subjected to energy dissipation treatment, and the sand grains subjected to energy dissipation slide to the bottom of an inner cavity of the coarse filter box body along the trapping baffle plate. Specifically, the fine filter box 11-4 intercepts smaller sand grains in a filtering interception mode, the fine filter box 11-4 comprises a fine filter box body, a filter element is arranged in the fine filter box body, and when dust-containing air flows through the filter element, contained sand grains are intercepted. As shown in FIG. 13, manual ball valves are provided at the bottoms of both the strainer tanks 11-1 and the fine strainer tanks 11-4, and the spouting material accumulated in the tanks can be discharged by opening the manual ball valves.

Referring to fig. 1 and 2, it can be seen that:

a positioning device 6 for positioning the workpiece is provided in the middle of the loading base 2, a loading conveyor 9 for conveying the assembly of the workpiece 17 and the pallet 18 backward is provided inside the positioning device 6, a tray separator 4 for separating the workpiece 17 from the tray 16 is provided outside the positioning device 6, and a workpiece transfer device 5 for transferring the separated workpiece 17 to the positioning device 6 is provided in the middle of the tray separator 4.

The front part of the feeding and conveying device 9 is provided with a supporting plate transferring device 3 for transferring a supporting plate 18 on the supporting plate conveyor 1 to the feeding and conveying device 9, the middle part of the feeding and conveying device 9 is provided with a feeding and transverse moving device 7 for transferring the positioned workpiece 17 to the feeding and conveying device 9, and the middle rear part of the feeding and conveying device 9 is provided with a feeding and longitudinal moving device 8 for transferring the assembly formed by the workpiece 17 and the supporting plate 18 to the sand blasting device 11.

Brief description of its working process: the supporting plate 18 on the supporting plate conveyor 1 is transferred to the feeding conveying device 9 by the supporting plate transferring device 3, the workpiece 17 is placed on the supporting plate 18, a plurality of supporting plates 18 are placed on the supporting plate separating device 4 in a stacking mode, the supporting plate separating device 4 is matched with the workpiece transferring device 5, the workpiece transferring device 5 transfers the workpiece 17 to the positioning device 6 for positioning treatment, the supporting plate 18 with the workpiece 17 removed is stacked again, the positioned workpiece 17 is transferred to the supporting plate 18 on the feeding conveying device 9 by the feeding transverse moving device 7 to form a combined body, then the combined body is conveyed and moved backwards by the feeding conveying device 9, finally the combined body is transferred and moved to the conveying line 10-1 by the feeding longitudinal moving device 8, the workpiece 17 is always positioned on the supporting plate 18 in the sand blasting process, and the nozzles 11-11 eject spraying air flow towards the surface of the workpiece 17 from an oblique upper direction, the surface of the workpiece 17 is thus subjected to a blasting treatment.

Referring to fig. 1 and 3, it can be seen that:

a blanking conveyor 14 is attached to the blanking support 12, a blanking vertical shifter 13 for shifting the assembly of the processed workpiece 17 and the pallet 18 from the blasting device 11 to the blanking conveyor 14 is provided at the center front part of the blanking conveyor 14, and a blanking horizontal shifter 15 is provided at the end of the blanking conveyor 14. The blanking vertical moving device 13 transfers the combination of the work 17 and the pallet 18 at the end of the conveyor line 10-1 to the blanking conveyor 14, and the blanking conveyor 14 moves the combination in the backward direction, then transfers the combination from the rear of the blanking conveyor 14 to the blanking horizontal moving device 15, and transfers the combination to the side by the blanking horizontal moving device 15, that is, transfers the combination to the pallet conveyor 1. A manual material receiving station is arranged at the position, materials are manually taken from the blanking transverse moving device 15, namely, workpieces 17 on the supporting plate 18 are taken away, then the supporting plate 18 is placed on the supporting plate conveyor 1 again after surface cleaning, the supporting plate 18 is transferred and conveyed from the rear to the front of the device, and therefore the supporting plate 18 is recycled.

Referring to fig. 12 and 16, it can be seen that:

the feeding conveying device 9 comprises a first feeding conveying belt 9-1 and a second feeding conveying belt 9-2 which are arranged in parallel, the blanking conveying device 14 comprises a first blanking conveying belt 14-1 and a second blanking conveying belt 14-2 which are arranged in parallel, and the blanking transverse moving device 15 comprises a blanking transverse conveying belt. The feeding conveying belts and the discharging conveying belts are arranged in parallel, and the discharging transverse conveying belts and the discharging conveying belts are arranged perpendicularly. The height of the blanking cross conveyor is smaller than the height of the end of the blanking conveyor so that when the combination of the workpiece 17 and the pallet 18 moves to the rear of the first blanking conveyor 14-1 and the second blanking conveyor 14-2, the combination is transferred to the blanking cross device 15.

Referring to fig. 4, it can be seen that:

the supporting plate transferring device 3 comprises a supporting plate transferring base 3-1 arranged on the feeding support 2, a supporting plate transferring cross beam 3-4 is arranged at the top of the supporting plate transferring base 3-1, and a supporting plate transferring vertical beam 3-7 capable of moving transversely is arranged on the supporting plate transferring cross beam 3-4. A supporting plate lifting base 3-8 which can move up and down is arranged on the supporting plate transferring vertical beam 3-7, a supporting plate clamping cylinder 3-9 is arranged at the bottom of the supporting plate lifting base 3-8, and two opposite supporting plate clamping jaws 3-10 are arranged at the movable end of the supporting plate clamping cylinder 3-9. The operation mode is as follows: the pallet lifting base 3-8 moves downwards, the pallet clamping jaws 3-10 grab the pallet 18 on the pallet conveyor 1, then the pallet lifting base 3-8 moves upwards, and then the pallet transfer vertical beams 3-7 move along the pallet transfer cross beams 3-4.

The supporting plate clamping cylinder 3-9 is selected as a clamping jaw cylinder and comprises two piston rods which act synchronously, and the two supporting plate clamping jaws 3-10 are respectively arranged on the two piston rods. When the clamping jaw cylinder acts, the two supporting plate clamping jaws 3-10 move towards each other or move away from each other, and accordingly clamping or releasing actions are generated.

The device also comprises a driving component for driving the pallet transfer vertical beams 3-7 to do transverse movement and a driving component for driving the pallet lifting base 3-8 to do lifting movement.

The driving assembly for driving the supporting plate transfer vertical beams 3-7 to transversely move comprises lead screws arranged on the supporting plate transfer cross beams 3-4 and supporting plate translation motors 3-3 for driving the lead screws to rotate, and the supporting plate transfer vertical beams 3-7 are fixedly connected with nuts on the lead screws. The driving assembly for driving the supporting plate lifting base 3-8 to move up and down comprises a lead screw arranged on the supporting plate transfer vertical beam 3-7 and a supporting plate lifting motor 3-6 for driving the lead screw to rotate, and the supporting plate lifting base 3-8 is fixedly connected with a nut on the lead screw.

In the embodiment, in order to improve the stability of the transverse movement, a supporting plate transfer rail 3-5 is further installed on the supporting plate transfer cross beam 3-4, a supporting plate transfer sliding block 3-2 is arranged on the supporting plate transfer rail, and a supporting plate transfer vertical beam 3-7 is fixedly connected with the supporting plate transfer sliding block 3-2.

Referring to fig. 5 and 6, it can be seen that:

the tray separating device 4 comprises a separating conveyer belt 4-1, separating side frames 4-2 are arranged on the two sides of the front part of the separating conveyer belt 4-1, tray positioning guardrails 4-6 are arranged on the two sides of the rear part of the separating conveyer belt 4-1, and trays 16 can be transferred and conveyed by the separating conveyer belt 4-1. As shown in the drawing, the pallet 16 loaded with the work pieces 17 is placed in the inside space of the pallet positioning fence 4-6 in a stacked manner, and the pallet 16 from which the work pieces 17 are removed is placed again in the inside space of the separating side frame 4-2 in a stacked manner.

Specifically, the separating side frame 4-2 includes two door-shaped frames which are oppositely arranged, the tray positioning fence 4-6 is composed of angle steel components which are respectively positioned at four corners, and when the tray 16 is placed in the inner space of the tray positioning fence 4-6, the four corners of the tray 16 respectively fall into the four angle steel components. Thus, the pallet 16 can only be inserted from above and down the pallet positioning fence 4-6. After the placement, the tray 16 falls on the separating conveyer belt 4-1, and the lowest tray 16 and the workpiece 17 can be taken out from the bottom of the tray positioning guardrail 4-6 when the separating conveyer belt 4-1 operates.

The tray 16 moved to the middle of the separating conveyor 4-1 is suspended, the work 17 is taken out by the work transfer device 5, and then the empty tray 16 is moved to the space between the separating side frames 4-2, and the operation mode is as follows: the plurality of trays 16 stacked in the space inside the separating side frame 4-2 are lifted up to a certain height, and then the empty tray 16 is transferred to the space below and moved, and so on, to realize the stacking of the empty tray 16.

And a blocking component 4-7 is arranged in the middle of the separating conveyer belt 4-1 and is used for stopping the tray 16, and specifically, the blocking component 4-7 comprises an air cylinder fixed with the frame of the separating conveyer belt 4-1, a stop block is arranged on a piston rod of the air cylinder, and the stop block rises to stop the tray 16 in the middle when the air cylinder acts.

A jacking component 4-4 is arranged below the front part of the separation conveyer belt 4-1 and used for carrying out the lifting operation on the tray 16, and specifically, the jacking component 4-4 comprises an air cylinder fixed with the framework of the separation conveyer belt 4-1, and a lifting plate is arranged on a piston rod of the air cylinder.

A tray fixing component 4-5 for fixing the tray 16 is arranged at the side part of the tray positioning guardrail 4-6, and a tray lifting component 4-3 for supporting the tray 16 is arranged at the side part of the separated side frame 4-2. Wherein the tray fixing assembly 4-5 is used for fixing the upper tray 16 when the separating conveyer 4-1 takes out the lowest tray 16 from the bottom, and separating the lowest tray 16 from the upper tray 16 so as to facilitate the removal of the lowest tray 18. The tray lifting assembly 4-3 is adapted to cooperate with the jacking assembly 4-4 such that the stacked trays 16 are only movable upwardly and not downwardly.

Referring to fig. 7 and 8, it can be seen that:

the tray lifting assembly 4-3 comprises a base 4-3-1 fixed with a frame of a separation conveyer belt 4-1, two groups of separation slide rails 4-3-5 and separation slide blocks 4-3-6 are fixedly arranged on the base 4-3-1, a moving plate is fixedly arranged on the two separation slide blocks 4-3-6, a left frame body 4-4-3 and a right frame body 4-3 are arranged on the moving plate, and a lifting tongue plate 4-3-4 is arranged in the middle of each frame body 4-3-3. The base 4-3-1 is also provided with a first pushing cylinder 4-3-2, and the end part of a piston rod of the first pushing cylinder is fixedly connected with the middle edge of the movable plate.

The operation mode is as follows: the first pushing cylinder 4-3-2 controls the moving plate and the accessory parts thereof to move outwards, the middle stacked tray 16 is released, each stacked tray 16 falls down and is stacked with the tray 16 which is just transferred below, then the lower pushing assembly 4-4 integrally pushes up the tray 16 stacked above to a certain height (the height is equal to the thickness of the tray 16), the first pushing cylinder 4-3-2 controls the moving plate and the accessory parts thereof to move inwards, the lifting tongue plate 4-3-4 moves to the position below the side edge of the tray 16, and then the pushing assembly 4-4 resets; by repeating the above operation, the trays 16 are stacked one by one and raised.

The tray fixing component 4-5 comprises a translation slide rail 4-5-5 fixed with a frame of the separation conveyer belt 4-1, a translation slide block 4-5-6 is installed on the translation slide rail 4-5-5, a moving plate is installed on the translation slide block 4-5-6, a translation cylinder 4-5-4 is also installed on the frame of the separation conveyer belt 4-1, and the end part of a piston rod of the translation cylinder is fixedly connected with the edge of the moving plate.

The moving plate is provided with a second pushing cylinder 4-5-1, the end part of a piston rod of the second pushing cylinder is provided with a clamping cylinder 4-5-2, the clamping cylinder 4-5-2 is selected to be a clamping jaw cylinder, and the two piston rods of the clamping cylinder are provided with shifting forks 4-5-3.

The operation mode is as follows: the translation cylinder 4-5-4 controls the moving plate and the accessory parts of the moving plate to move back and forth in a translation mode, the second pushing cylinder 4-5-1 drives the clamping cylinder 4-5-2 and the accessory parts of the clamping cylinder to move in an inner and outer translation mode, the clamping cylinder 4-5-2 drives the two shifting forks 4-5-3 to move in the opposite direction or in the opposite direction, the shifting teeth of the shifting forks 4-5-3 are overlapped when the shifting forks move in the opposite direction, and the shifting teeth of the shifting forks 4-5-3 are staggered and unfolded when the shifting forks move in the opposite direction. The edge of the side part of the tray 16 is provided with a flat jack, the shifting teeth of the shifting fork 4-5-3 are embedded in the jack, so that when the shifting teeth are overlapped, the shifting fork 4-5-3 can be smoothly pulled out, and when the shifting teeth are staggered and unfolded, the shifting fork 4-5-3 is combined with the tray 16 into a whole through the shifting teeth 4-5-3, which is equivalent to fixing the stacked tray 16. After the tray 16 stacked above is fixed, the lowermost tray 16 is shifted toward the middle of the separation conveyer 4-1.

Referring to fig. 5, it can be seen that:

the workpiece transfer device 5 comprises a workpiece transfer base 5-1 arranged on the feeding support 2, a workpiece transfer cross beam 5-2 is arranged at the top of the workpiece transfer base 5-1, a workpiece transfer vertical beam 5-3 capable of moving transversely is arranged on the workpiece transfer cross beam 5-2, a workpiece lifting cylinder 5-4 is arranged on the workpiece transfer vertical beam 5-3, a workpiece lifting plate 5-5 is arranged at the lower end of a piston rod of the workpiece lifting cylinder 5-4, a plurality of workpiece suckers 5-6 are arranged on the workpiece lifting plate 5-5, and the workpiece suckers 5-6 are connected to a negative pressure device. The operation mode is as follows: the workpiece lifting cylinder 5-4 controls the workpiece lifting plate 5-5 to move downwards, the workpiece sucker 5-6 sucks a workpiece 17 in a tray 16 below, the workpiece lifting cylinder 5-4 controls the workpiece lifting plate 5-5 to move upwards, then the workpiece transfer vertical beam 5-3 moves transversely to realize the displacement of the workpiece 17, the workpiece lifting cylinder 5-4 controls the workpiece lifting plate 5-5 to move downwards after the displacement, and the workpiece sucker 5-6 releases the workpiece 17.

And the driving component is used for driving the workpiece transfer vertical beam 5-3 to do transverse movement. In this embodiment, the driving assembly for driving the vertical workpiece transfer beam 5-3 to move transversely includes a guide rod mounted on the horizontal workpiece transfer beam 5-2, a guide block mounted on the guide rod, and the vertical workpiece transfer beam 5-3 is fixedly connected to the guide block. The workpiece transfer cross beam 5-2 is also provided with a lead screw and a motor for driving the lead screw, and a nut on the lead screw is fixedly connected with the workpiece transfer vertical beam 5-3.

Referring to fig. 9, it can be seen that:

the positioning device 6 comprises a bottom plate 6-1 arranged on the feeding support 2, and a supporting plate 6-3 is arranged on the bottom plate 6-1 through a plurality of supporting columns 6-2. The supporting plate 6-3 is provided with a supporting frame 6-6, the supporting frame 6-6 is provided with a backing plate 6-8, and the surface of the backing plate 6-8 is fixedly provided with a plurality of positioning dies 6-9 with workpiece positioning grooves. And a driving component for driving the supporting frame 6-6 to move back and forth.

The working principle is as follows: the workpiece transfer device 5 takes a plurality of workpieces 17 off the tray 16 and transversely conveys the workpieces to the positioning device 6, and after the workpieces 17 are released by the workpiece suckers 5-6, the workpieces 17 fall into the positioning dies 6-9 below; because the shape of the workpiece positioning groove is matched with the shape of the workpiece 17, the workpiece 17 and the workpiece positioning groove are matched to realize position adjustment and determination in the process of falling into the workpiece positioning groove.

In the embodiment, the driving component for driving the supporting frame 6-6 to move back and forth comprises a sliding rod 6-4 arranged on the supporting plate 6-3, a sliding block 6-5 is further arranged on the sliding rod 6-4, the sliding block 6-5 is fixedly connected with a backing plate 6-8, the driving component further comprises a horizontal pushing cylinder 6-7 arranged on the supporting plate 6-3, the end part of a piston rod of the horizontal pushing cylinder is fixedly connected with the supporting frame 6-6, and when the horizontal pushing cylinder 6-7 acts, the supporting frame 6-6 and accessory parts thereof move back and forth.

Referring to fig. 10, it can be seen that:

the feeding traversing device 7 comprises a feeding traversing base 7-1 arranged on the feeding support 2, a feeding traversing cross beam 7-7 is arranged on the top of the feeding traversing base 7-1, and a feeding first traversing vertical beam 7-3 and a feeding second traversing vertical beam 7-5 which can move transversely are arranged on the feeding traversing cross beam 7-7.

A feeding lifting base 7-13 capable of lifting and moving is arranged on the feeding first transverse vertical beam 7-3, a plurality of feeding transverse clamping cylinders 7-12 are arranged at the bottom of the feeding lifting base 7-13, a feeding lifting plate 7-10 capable of lifting and moving is arranged on the feeding second transverse vertical beam 7-5, and a plurality of feeding suckers 7-11 are arranged on the feeding lifting plate 7-10.

The operation mode is as follows: the feeding first transverse vertical beam 7-3 and the feeding second transverse vertical beam 7-5 move transversely synchronously, the feeding lifting base 7-13 and the feeding lifting plate 7-10 move up and down respectively, a clamping jaw can be arranged on a piston rod of the feeding transverse clamping cylinder 7-12 to have a clamping function, and the feeding sucker 7-11 sucks and moves a workpiece 17 below. A combination body formed by the feeding first transverse moving vertical beam 7-3, the feeding lifting base 7-13 and the feeding transverse moving clamping cylinder 7-12 is used as a standby.

The device also comprises a driving component for driving the feeding first traverse vertical beam 7-3 and the feeding second traverse vertical beam 7-5 to do traverse movement, a driving component for driving the feeding lifting base 7-13 to do lifting movement and a driving component for driving the feeding lifting plate 7-10 to do lifting movement.

In this embodiment, the driving assembly for driving the feeding first traverse vertical beam 7-3 and the feeding second traverse vertical beam 7-5 to perform traverse movement includes a screw rod installed on the feeding traverse cross beam 7-7 and a feeding traverse motor 7-2 for driving the screw rod, and both the feeding first traverse vertical beam 7-3 and the feeding second traverse vertical beam 7-5 are fixedly connected to a nut provided on the screw rod. The driving assembly for driving the feeding lifting base 7-13 to move up and down comprises a lead screw arranged on the feeding first transverse vertical beam 7-3 and a feeding first lifting motor 7-4 for driving the lead screw, and the feeding lifting base 7-13 is fixedly connected with a nut on the lead screw. The driving assembly for driving the feeding lifting plate 7-10 to move up and down comprises a lead screw arranged on the feeding second traverse vertical beam 7-5 and a feeding second lifting motor 7-6 for driving the lead screw, and the driving feeding lifting plate 7-10 is fixedly connected with a nut on the lead screw.

In order to improve the moving stability, in the embodiment, the feeding transverse cross beam 7-7 is provided with a feeding transverse rail 7-9 with a feeding transverse slider 7-8, and the feeding transverse slider 7-8 is fixedly connected with a feeding first transverse vertical beam 7-3 and a feeding second transverse vertical beam 7-5.

Referring to fig. 11, it can be seen that:

the feeding longitudinal moving device 8 comprises a feeding longitudinal moving base 8-1 arranged on the feeding support 2, a feeding first longitudinal moving beam 8-3 and a feeding second longitudinal moving beam 8-7 are arranged at the top of the feeding longitudinal moving base 8-1, and a feeding longitudinal moving connecting beam 8-4 is arranged between the feeding longitudinal moving beam and the feeding longitudinal moving beam.

A feeding lifting cylinder 8-8 is arranged on the feeding longitudinal moving connecting beam 8-4, a feeding lifting base 8-9 is arranged on a piston rod of the feeding lifting cylinder, a feeding longitudinal moving clamping cylinder 8-10 is arranged at the bottom of the feeding lifting base 8-9, and two opposite feeding clamping claws 8-11 are arranged at the movable end of the feeding longitudinal moving clamping cylinder 8-10. The structure of the feeding longitudinal moving clamping cylinder 8-10 and the feeding clamping jaw 8-11 is consistent with that of the supporting plate clamping cylinder 3-9 and the supporting plate clamping jaw 3-10.

The device also comprises a driving component for driving the feeding longitudinal movement connecting beam 8-4 to do longitudinal movement. In this embodiment, the driving assembly for driving the feeding longitudinal moving connecting beam 8-4 to move longitudinally comprises a lead screw mounted on the feeding first longitudinal moving beam 8-3 and a feeding longitudinal moving motor 8-2 for driving the lead screw, and the feeding longitudinal moving connecting beam 8-4 is fixedly connected with a nut arranged on the lead screw.

In the embodiment, in order to ensure the moving stability, the feeding longitudinal moving track 8-6 with the feeding longitudinal moving slide block 8-5 is arranged on the feeding second longitudinal moving cross beam 8-7, and the feeding longitudinal moving connecting beam 8-4 is fixedly connected with the feeding longitudinal moving slide block 8-5.

Referring to fig. 15, it can be seen that:

the blanking longitudinal moving device 13 comprises a blanking longitudinal moving base 13-1 arranged on the feeding support 2, a first blanking longitudinal moving beam 13-9 and a second blanking longitudinal moving beam 13-10 are arranged at the top of the blanking longitudinal moving base 13-1, and a blanking longitudinal moving connecting beam 13-8 is arranged between the first blanking longitudinal moving beam and the second blanking longitudinal moving beam.

A blanking lifting cylinder 13-11 is arranged on the blanking longitudinal moving connecting beam 13-8, a blanking lifting base 13-6 is arranged on a piston rod of the blanking lifting cylinder, a blanking longitudinal moving clamping cylinder 13-4 is arranged at the bottom of the blanking lifting base 13-6, and two opposite blanking clamping jaws 13-2 are arranged at the movable end of the blanking longitudinal moving clamping cylinder 13-4. The blanking longitudinal moving clamping cylinder 13-4 and the blanking clamping jaw 13-2 thereof have the same structure with the supporting plate clamping cylinder 3-9 and the supporting plate clamping jaw 3-10.

And the device also comprises a driving component for driving the blanking longitudinal movement connecting beam 13-8 to do longitudinal movement. In this embodiment, the driving assembly for driving the feeding longitudinally-moving connecting beam 13-8 to move longitudinally comprises a lead screw installed on the feeding second longitudinally-moving beam 13-10 and a feeding longitudinally-moving motor 13-3 for driving the lead screw, and the feeding longitudinally-moving connecting beam 13-8 is fixedly connected with a nut arranged on the lead screw.

In the embodiment, in order to ensure the moving stability, a blanking longitudinal moving track 13-5 with a blanking longitudinal moving slide block 13-7 is arranged on the blanking first longitudinal moving cross beam 13-9, and a blanking longitudinal moving connecting beam 13-8 is fixedly connected with the blanking longitudinal moving slide block 13-7.

The working process is as follows:

initially, the produced workpieces 17 are located in trays 16, and the trays 16 are stacked; manually placing a plurality of stacked trays 16 and workpieces 17 into the inner space of the tray positioning guardrails 4-6 from top to bottom, and placing a supporting plate 18 on the supporting plate conveyor 1;

the separating conveyer belt 4-1 takes out the lower tray 16 together with the workpiece 17, moves to the middle part in a transverse mode, the workpiece transfer device 5 takes out the workpiece 17 from the tray 16 and transfers and moves to the positioning device 6, and the empty tray 16 is transferred to the space inside the separating side frame 4-2 to be stacked and stored and then taken by people; the workpiece 17 is positioned on the positioning device 6;

the supporting plate transfer device 3 transfers the supporting plate 18 from the supporting plate conveyor 1 to the feeding conveying device 9, the feeding transverse moving device 7 transfers the workpiece 17 on the positioning device 6 to the supporting plate 18 on the feeding conveying device 9, and the workpiece 17 falls on the supporting plate 18; then, the feeding and conveying device 9 conveys and moves the assembly to the rear;

then the assembly at the rear end of the feeding conveying device 9 is transferred to the front part of the conveying line 10-1 by the feeding longitudinal moving device 8;

the conveyor line 10-1 conveys the combined body to the rear, and in the process of passing through the sand blasting device 11, the combined body is subjected to surface sand blasting treatment in front of the nozzle device, and then the combined body moves to the rear part of the conveyor line 10-1;

then, the assembly is transferred to the front part of the blanking conveying device 14 by the blanking longitudinal moving device 13, the blanking conveying device 14 conveys and moves the assembly of the workpiece 17 and the supporting plate 18 to the rear part, finally, the assembly is transferred to the blanking transverse moving device 15 from the rear part of the blanking conveying device 14, and the blanking transverse moving device 15 transfers and conveys the assembly to the outer side; an operator at this position picks up the workpiece 17 on the pallet 18, cleans (e.g., wipes) the pallet 18, and places the cleaned pallet 18 at the rear of the pallet conveyor 1, and the pallet conveyor 1 conveys the pallet 18 forward, thereby recycling the pallet 18.

Claims

1. The utility model provides a sandblast processing equipment with unloading function in automation, characterized by: the sand blasting machine comprises a sand blasting support (10) positioned in the middle, a sand blasting device (11) is installed on the sand blasting support (10), a feeding support (2) is arranged in front of the sand blasting support (10), a discharging support (12) is arranged behind the sand blasting support (10), and a supporting plate conveyor (1) for conveying supporting plates (18) is arranged on the side parts of the sand blasting support (10), the feeding support (2) and the discharging support (12); a positioning device (6) for positioning the workpiece (17) is arranged in the middle of the feeding support (2), a feeding conveying device (9) for conveying the assembly formed by the workpiece (17) and the supporting plate (18) to the rear is arranged on the inner side of the positioning device (6), a tray separating device (4) for separating the workpiece (17) from the tray (16) is arranged on the outer side of the positioning device, a workpiece transferring device (5) for transferring the separated workpiece (17) to the positioning device (6) is arranged in the middle of the tray separating device (4), a supporting plate transferring device (3) for transferring the supporting plate (18) on the supporting plate conveyor (1) to the feeding conveying device (9) is arranged on the front part of the feeding conveying device (9), a feeding transverse moving device (7) for transferring the positioned workpiece (17) to the feeding conveying device (9) is arranged in the middle of the feeding conveying device (9), a feeding longitudinal moving device (8) which is used for transferring the combination body formed by the workpiece (17) and the supporting plate (18) to the sand blasting device (11) is arranged at the middle rear part of the feeding conveying device (9); a blanking conveying device (14) is arranged on a blanking support (12), a blanking longitudinal moving device (13) for transferring a combination body formed by a processed workpiece (17) and a supporting plate (18) from a sand blasting device (11) to the blanking conveying device (14) is arranged at the middle front part of the blanking conveying device (14), and a blanking transverse moving device (15) is arranged at the tail end of the blanking conveying device (14).

2. The sand blasting processing equipment with the automatic feeding and discharging function as claimed in claim 1, which is characterized in that: the sand blasting support (10) comprises a conveying line (10-1) which is supported by a plurality of stand columns and conveys a workpiece (17) and a supporting plate (18) to a combined body from front to back; the conveying line (10-1) comprises a driving chain wheel set, a driven chain wheel set and a speed reducer for driving the driving chain wheel set, and a plurality of chains are arranged between the driving chain wheel set and the driven chain wheel set in parallel.

3. The sand blasting processing equipment with the automatic feeding and discharging function as claimed in claim 2, wherein: the sand blasting device (11) comprises a sand blasting box, a nozzle support (11-9) is installed in the sand blasting box, a plurality of nozzles (11-11) are installed on the nozzle support (11-9), a compressed air main valve (11-8) and a compressed air path switching valve (11-12) are also installed in the sand blasting box, an inlet of the compressed air main valve (11-8) is connected to a compressed air source, an outlet of the compressed air main valve is connected to the compressed air path switching valve (11-12) through a pipeline, and the compressed air path switching valve (11-12) is connected to a compressed air inlet of each nozzle (11-11) through a pipeline; the spraying material supply device is also included, and the outlet of the spraying material supply device is connected to the spraying material inlet of each nozzle (11-11) through a pipeline; the sand blasting device (11) also comprises a spray collecting cover (11-6).

4. The sand blasting processing equipment with the automatic feeding and discharging function as claimed in claim 3, wherein: the supporting plate transferring device (3) comprises a supporting plate transferring base (3-1) arranged on the feeding support (2), a supporting plate transferring cross beam (3-4) is arranged at the top of the supporting plate transferring base (3-1), a supporting plate transferring vertical beam (3-7) capable of transversely moving is arranged on the supporting plate transferring cross beam (3-4), a supporting plate lifting base (3-8) capable of lifting and moving is arranged on the supporting plate transferring vertical beam (3-7), a supporting plate clamping cylinder (3-9) is arranged at the bottom of the supporting plate lifting base (3-8), and two opposite supporting plate clamping jaws (3-10) are arranged at the movable end of the supporting plate clamping cylinder (3-9); the device also comprises a driving component for driving the supporting plate transferring vertical beam (3-7) to do transverse movement and a driving component for driving the supporting plate lifting base (3-8) to do lifting movement.

5. The sand blasting processing equipment with the automatic feeding and discharging function as claimed in claim 4, wherein: the tray separating device (4) comprises a separating conveyer belt (4-1), separating side frames (4-2) are arranged on two sides of the front part of the separating conveyer belt (4-1), and tray positioning guardrails (4-6) are arranged on two sides of the rear part; the tray fixing component (4-5) for fixing the tray (16) is installed on the side portion of the tray positioning guardrail (4-6), the tray lifting component (4-3) for supporting the tray (16) is installed on the side portion of the separating side frame (4-2), the jacking component (4-4) is installed below the front portion of the separating conveying belt (4-1), and the separating component (4-7) is arranged in the middle of the separating conveying belt (4-1).

6. The sand blasting processing equipment with the automatic feeding and discharging function as claimed in claim 5, wherein: the workpiece transfer device (5) comprises a workpiece transfer base (5-1) arranged on the feeding support (2), a workpiece transfer cross beam (5-2) is arranged at the top of the workpiece transfer base (5-1), a workpiece transfer vertical beam (5-3) capable of transversely moving is arranged on the workpiece transfer cross beam (5-2), a workpiece lifting cylinder (5-4) is arranged on the workpiece transfer vertical beam (5-3), a workpiece lifting plate (5-5) is arranged at the lower end of a piston rod of the workpiece lifting cylinder (5-4), and a plurality of workpiece suckers (5-6) are arranged on the workpiece lifting plate (5-5); and the driving component is used for driving the workpiece transfer vertical beam (5-3) to move transversely.

7. The sand blasting processing equipment with the automatic feeding and discharging function as claimed in claim 6, wherein: the positioning device (6) comprises a bottom plate (6-1) arranged on the feeding support (2), a supporting plate (6-3) is arranged on the bottom plate (6-1) through a plurality of supporting columns (6-2), a supporting frame (6-6) is arranged on the supporting plate (6-3), a base plate (6-8) is arranged on the supporting frame (6-6), and a plurality of positioning dies (6-9) with workpiece positioning grooves are fixedly arranged on the surface of the base plate (6-8); also comprises a driving component for driving the supporting frame (6-6) to move back and forth.

8. The sand blasting processing equipment with the automatic feeding and discharging function as claimed in claim 7, wherein: the feeding transverse moving device (7) comprises a feeding transverse moving base (7-1) arranged on the feeding support (2), a feeding transverse beam (7-7) is arranged at the top of the feeding transverse base (7-1), a feeding first transverse vertical beam (7-3) and a feeding second transverse vertical beam (7-5) which can move transversely are arranged on the feeding transverse beam (7-7), a feeding lifting base (7-13) which can move up and down is arranged on the feeding first transverse moving vertical beam (7-3), a plurality of feeding transverse clamping cylinders (7-12) are arranged at the bottom of the feeding lifting base (7-13), a feeding lifting plate (7-10) capable of lifting and moving is arranged on the feeding second transverse moving vertical beam (7-5), and a plurality of feeding suckers (7-11) are arranged on the feeding lifting plate (7-10); the device also comprises a driving component for driving the feeding first transverse vertical beam (7-3) and the feeding second transverse vertical beam (7-5) to do transverse movement, a driving component for driving the feeding lifting base (7-13) to do lifting movement and a driving component for driving the feeding lifting plate (7-10) to do lifting movement.

9. The sand blasting processing equipment with the automatic feeding and discharging function as claimed in claim 8, wherein: the feeding longitudinal moving device (8) comprises a feeding longitudinal moving base (8-1) arranged on a feeding support (2), a feeding first longitudinal moving beam (8-3) and a feeding second longitudinal moving beam (8-7) are arranged at the top of the feeding longitudinal moving base (8-1), a feeding longitudinal moving connecting beam (8-4) is arranged between the feeding longitudinal moving base and the feeding longitudinal moving connecting beam, a feeding lifting cylinder (8-8) is arranged on the feeding longitudinal moving connecting beam (8-4), a feeding lifting base (8-9) is arranged on a piston rod of the feeding lifting base, a feeding longitudinal moving clamping cylinder (8-10) is arranged at the bottom of the feeding lifting base (8-9), and two opposite feeding clamping claws (8-11) are arranged at the movable end of the feeding longitudinal moving clamping cylinder (8-10); the device also comprises a driving component for driving the feeding longitudinal movement connecting beam (8-4) to do longitudinal movement.

10. The sand blasting processing equipment with the automatic feeding and discharging function as claimed in claim 9, wherein: the blanking longitudinal moving device (13) comprises a blanking longitudinal moving base (13-1) arranged on the feeding support (2), a first blanking longitudinal moving beam (13-9) and a second blanking longitudinal moving beam (13-10) are arranged at the top of the blanking longitudinal moving base (13-1), a blanking longitudinal moving connecting beam (13-8) is arranged between the first blanking longitudinal moving beam and the second blanking longitudinal moving beam, a blanking lifting cylinder (13-11) is arranged on the blanking longitudinal moving connecting beam (13-8), a blanking lifting base (13-6) is arranged on a piston rod of the blanking longitudinal moving connecting beam, a blanking longitudinal moving clamping cylinder (13-4) is arranged at the bottom of the blanking lifting base (13-6), and two opposite blanking clamping jaws (13-2) are arranged at the movable end of the blanking longitudinal moving clamping cylinder (13-4); the blanking device also comprises a driving component for driving the blanking longitudinal movement connecting beam (13-8) to do longitudinal movement.