CN111168558A - Drum-type shot blasting machine - Google Patents

Abstract

A drum type shot blasting machine belongs to the technical field of shot blasting machines. Impeller head (8) are fixed on shot blasting chamber (9) upper portion, cylinder (12) fixed mounting is inside roller bracket (13), one side opening setting of shot blasting chamber (9), roller bracket (13) rotate the opening part that sets up at shot blasting chamber (9), roller bracket (13) are connected with cylinder upset motor (14) that drives its upset, be equipped with cylinder rotating electrical machines (22) of driving pulley (12) rotation on roller bracket (13), still be equipped with on roller bracket (13) with shot blasting chamber (9) matched with sealed frame (35), after roller bracket (13) driving pulley (12) overturn to shot blasting chamber (9), sealed frame (35) and the sealed of shot blasting chamber (9) of realization are laminated mutually in the opening one side of shot blasting chamber (9). According to the invention, the roller bracket is turned over and is attached to the shot blasting chamber to form a sealed space, so that the traditional sealing structure is improved.

Description

Drum-type shot blasting machine

Technical Field

The invention relates to a drum type shot blasting machine, and belongs to the technical field of shot blasting machines.

Background

The castings are subjected to shot blasting treatment in the machining process, which is not only used for removing oxide scales and bonded sand on the surfaces of the castings, but also is an indispensable preparation process before quality inspection of the castings.

The drum type shot blasting machine mainly utilizes an impeller which rotates at a high speed to throw shots onto a casting which is continuously turned in a drum, so that the purpose of cleaning the casting is achieved. It is suitable for cleaning various cast and forged pieces which are not afraid of collision and scratch, and is an ideal device for cleaning oxide skin and bonded sand on the surface of the cast and forged pieces in a small heat treatment workshop.

The working mechanism of the roller shot blasting machine in the prior art is as follows: the shot is conveyed to the separator by the elevator, then the separator separates dust and impurities in the shot, and clean shot is stored in the sand storage hopper, the shot amount is adjusted by the shot valve, and the clean shot enters the shot blasting machine through the chute. The cleaned parts are added into the roller through the feeding mechanism, under the condition of sealing protection, the shot blasting device emits steel shots or steel grit into the roller, the roller is overturned back and forth to clean the workpiece in multiple directions, and the steel shots used in the cleaning process are reused after being conveyed and processed. The existing roller type shot blasting machine is complex in system, a roller needs to rotate and turn over, and the opening and closing of a sealing door and other movement mechanisms are coordinated, especially when a hydraulic system is used for driving the opening and closing of the sealing door, the hydraulic system can enable steel shots to be polluted by hydraulic oil, so that the shot blasting effect is influenced, and the roller type shot blasting machine which is simple in sealing structure, simple and convenient to operate and relatively long in service life of moving parts is researched particularly urgent.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the replacement drum-type shot blasting machine adopts the traditional sealing structure mode of a sealing protective door, and the sealing problem in the shot blasting process is guaranteed through the roller support and the shot blasting chamber, so that the independent sealing protective door is replaced, the sealing structure is simple and reliable, the hydraulic system is not used for driving the protective door to be opened and closed, the risk that hydraulic oil pollutes steel shots or steel grits is avoided, the shot blasting efficiency is improved, and the safety of castings is guaranteed. And can utilize the cylinder upset to realize the three kinds of operating modes of feeding, throwing ball and unloading of equipment and need not the impeller head motion, equipment structure is simple reasonable, has reduced production and maintenance cost.

The technical scheme adopted by the invention for solving the technical problems is as follows: the drum-type shot blasting machine is characterized in that: including the impeller head, the shot-blasting chamber, the cylinder, roller bracket, the impeller head is fixed on shot-blasting chamber upper portion, cylinder fixed mounting is inside roller bracket, one side opening setting of shot-blasting chamber, roller bracket rotates the opening part that sets up at the shot-blasting chamber, roller bracket connection has the cylinder tilting mechanism that drives its upset, the last cylinder rotating electrical machines that is equipped with the driving roller rotation of roller bracket, still be equipped with on the roller bracket with shot-blasting chamber matched with sealed frame, behind roller bracket driving roller overturns to the shot-blasting chamber, sealed frame is laminated mutually with one side of opening of shot-blasting chamber and is realized the sealing of shot-blasting chamber.

Preferably, the roller support be the bucket column structure, sealed frame sets up on the roller support opening side, the both sides middle part of roller support is connected with the shot-blasting room through the pivot, the sealed frame setting of pivot one side is outside at the shot-blasting room, the sealed frame setting of pivot opposite side is inside the shot-blasting room.

Preferably, a rubber plate is fixed on the sealing frame.

Preferably, the bottom of the roller is provided with a screen hole, and a conveying and purifying mechanism for conveying the steel shots back to the impeller head is arranged between the impeller head chamber and the impeller head.

Preferably, the bottom of the inner side of the roller is provided with a baffle plate protruding towards one side of the opening of the roller, the inner side of the roller support is provided with two annular support sealing plates, the two support sealing plates form a sealing groove at intervals, the bottom of the outer side of the roller is provided with the roller sealing plate inserted into the sealing groove, and the support sealing plate and the roller sealing plate form labyrinth seal.

Preferably, carry purification mechanism include that the bucket carries machine, ball material separator, storage sand fill and screw conveyer, the bucket is carried the machine lower part and is passed through screw conveyer and connect shot-blasting room bottom, the bucket is carried the machine upper end and is passed through ball material separator and connect storage sand fill, storage sand fill downside is connected with the elephant trunk, the elephant trunk exit is equipped with the ball material valve, the export of ball material valve links to each other with the impeller head, the shot-blasting room passes through the pipe connection dust remover with ball material separator.

Preferably, a feeding mechanism for feeding the workpiece to be processed into the roller is further arranged on one side of the opening of the shot blasting chamber.

Preferably, the feeding mechanism comprises a feeding hopper, a winch and a feeding support, the feeding support is fixed on one side of an opening of the shot blasting chamber, the feeding hopper is rotatably arranged on the feeding support, and the winch is fixed at the upper end of the feeding support and connected with the feeding hopper through a steel wire rope.

Preferably, the bottom of the roller bracket is provided with a motor base, the roller rotating motor is fixedly installed on the motor base and is connected with the roller through a rotating shaft, and a damping mechanism is arranged between the roller bracket and the motor base.

Preferably, the damping mechanism comprises a damping bolt and a damping spring, the damping bolt penetrates through the motor base and then is fixedly connected with the roller bracket, and the damping spring is arranged between the motor base and a bolt cap at the rear end of the damping bolt.

Preferably, a vibrating conveyor is arranged below the roller bracket, and the roller turnover mechanism is a roller turnover motor fixed outside the shot blasting chamber.

Preferably, a baffle plate protruding toward the opening side of the drum is provided at the bottom of the inner side of the drum, a sealing groove formed by two support sealing plates at an interval is provided at the inner side of the drum support, and a drum sealing plate inserted into the sealing groove is provided at the bottom of the outer side of the drum.

Compared with the prior art, the invention has the beneficial effects that:

1. this drum-type shot-blasting machine passes through the cylinder support upset and closely laminates with the shot-blasting room, form seal structure, it need not solitary sealed guard gate not to throw the ball in-process, also need not hydraulic system drive guard gate and open and close, the risk of hydraulic oil pollution shot or steel sand has been avoided, the safety of ball effect and work piece is thrown in the improvement, and this kind of sealed mode is simple reliable, and seal the drive division of cylinder outside throwing the ball when throwing the ball operation, avoid the cylinder rotating electrical machines and the cylinder rotary reducer of cylinder bottom to be in the inside operational environment who throws the ball clearance, effectively avoided iron fillings rust slag card to advance among the drive assembly, drive device's life has been prolonged to a certain extent. Meanwhile, the sealing structure can reduce the volume of the roller and the occupied area of equipment, effectively reduce the cost and lay a foundation for the production of large-scale equipment.

2. The shot blasting machine is simple in structure and reasonable in arrangement, the shot blasting machine is arranged at the upper part of the shot blasting chamber, the shot blasting chamber is fixedly arranged on one side of the roller, the roller overturning motor and the roller overturning speed reducer on the shot blasting mechanism are used for driving the rotating shaft to drive the roller support to overturn at three angles, so that three working states of charging, shot blasting and discharging are met, the production and maintenance cost is saved, and the working efficiency is improved.

3. The rubber plate is fixed on the sealing frame of the roller bracket, so that the sealing effect of the shot blasting chamber can be enhanced, and the dust and rust are prevented from leaking to cause environmental pollution during shot blasting.

4. The damping mechanism is fixedly arranged at the outer bottom of the roller and below the motor base, can play a certain role in damping and buffering when the roller turns and charges, effectively reduces the impact of the roller on the roller caused by the roller and the poured workpiece when the workpiece is added during the turning of the roller support, plays an important role in protecting the bottom bearing of the roller and the driving part, and prolongs the service life of the parts to a certain extent.

5. There are screen mesh hole and baffle bottom the cylinder, guarantee through the effect of baffle that shot blasting work in shot-blast steel shot or steel shot and work piece well contact, improve and throw ball efficiency, when the rotatory shot blasting, the screen mesh hole at the bottom of the cylinder can be with the steel shot and the work piece separation of throwing dart transmission, and pour screw conveyer into through the steel shot discharge gate, and then through the bucket elevator, the shot-material separator gets into the impeller head again and participates in the shot blasting work, the steel shot realizes recycling from this, effectively improve the availability factor of steel shot, save time, reduce cost.

6. The vibrating conveyor is arranged below the roller, the roller is turned to the discharging position after shot blasting is completed, the discharged workpiece is poured into the vibrating conveyor and is conveyed to the next operation through the vibrating conveyor, and the working efficiency is improved.

Drawings

Fig. 1 is a front view of a drum type blasting machine according to an embodiment of the invention.

Fig. 2 is a top view of the drum type blasting machine according to the embodiment of the invention.

Fig. 3 is a side view of the drum type blasting machine after the drum is turned over according to the embodiment of the invention.

Fig. 4 is a schematic perspective view of the roller bracket and the roller.

Fig. 5 is a top view of the drum.

3 fig. 36 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 at 3 a 3- 3 a 3 in 3 fig. 35 3. 3

Fig. 7 is a partial enlarged view of fig. 6 at B.

Figure 8 is a schematic view of the drum in the loading state.

Fig. 9 is a schematic view of the drum in a blasting state.

Fig. 10 is a schematic view of the drum in a discharge state.

Fig. 11 is a schematic view of a damping mechanism using a disc spring.

In the figure: 1. the device comprises a feeding support 2, a winch 3, a bucket elevator 4, a shot separator 5, a sand storage hopper 6, a chute 7, a shot valve 8, an impeller 9, an impeller room 10, a bucket elevator inlet 11, a steel shot outlet 12, a roller 13, a roller support 14, a roller overturning motor 15, a roller overturning speed reducer 16, a screw conveyor 17, a winch motor 18, a winch speed reducer 19, a feeding hopper 20, a bucket elevator motor 21, a bucket elevator speed reducer 22, a roller rotating motor 23, a roller rotating speed reducer 24, a vibrating conveyor 25, a partition plate 26, a screen mesh 27, a rotating shaft 28, a motor base 29, a damping bolt 30, a rubber plate 31, a damping spring 32, a baffle plate 33, a support sealing plate 34, a roller sealing plate 35, a sealing frame 36, a rotating shaft 37, a gasket 38, a sand storage hopper 7, a, A disc spring.

Detailed Description

Fig. 1 to 10 are preferred embodiments of the present invention, and the present invention will be further described with reference to fig. 1 to 11.

Referring to fig. 1 to 3, the drum type shot blasting machine comprises a shot blasting device 8, a shot blasting chamber 9, a drum 12 and a drum support 13, wherein the shot blasting device 8 is fixed at the upper part of the shot blasting chamber 9, the drum 12 is fixedly arranged inside the drum support 13, an opening at one side of the shot blasting chamber 9 is provided, the drum support 13 is rotatably arranged at the opening of the shot blasting chamber 9, the drum support 13 is connected with a drum turnover mechanism for driving the drum turnover mechanism to turn over, the drum support 13 is provided with a drum rotating motor 22 for driving the drum 12 to rotate, the drum support 13 is also provided with a sealing frame 35 matched with the shot blasting chamber 9, after the drum support 13 drives the drum 12 to turn over into the shot blasting chamber 9, the sealing frame 35 is attached to one side of the opening of the shot blasting chamber 9 to realize the sealing of the shot blasting chamber 9, the drum is a drum turnover motor 14 fixed at the outer side of, and a sealing structure is formed, so that rollers in the shot blasting chamber and the roller support are in a sealed environment, the traditional application of a sealing protective door is replaced, the working efficiency is improved, and the problems that the workpiece is polluted by hydraulic oil and the like are solved.

The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.

This drum-type shot-blasting machine still includes reinforced mechanism and conveying mechanism, can be automatic will treat to throw the ball work piece and pack into the cylinder through reinforced mechanism, and there is the mesh hole bottom the cylinder, and the shot-blasting steel shot of completion falls into the shot-blasting room bottom from the mesh hole, carry the purification mechanism and can send the steel shot of shot-blasting room bottom back to the impeller head, in throwing ball work, the steel shot passes through mesh hole and work piece separation, the steel shot realizes recycling, effectively improves the availability factor of steel shot, saves time, reduce cost.

The feeding mechanism comprises a feeding hopper 19, a winch 2 and a feeding support 1, the feeding support 1 is fixed on one side of an opening of the shot blasting chamber 9, the feeding hopper 19 is rotatably arranged on the feeding support 1, and the winch 2 is fixed at the upper end of the feeding support 1 and is connected with the feeding hopper 19 through a steel wire rope.

The conveying and purifying mechanism comprises a bucket elevator 3, a shot separator 4, a sand storage hopper 5, an elephant trunk 6, a shot valve 7 and a spiral conveyor 16, a steel shot discharge port 11 is arranged at the lower part of the shot blasting mechanism, a bucket elevator inlet 10 is arranged at the bottom of the bucket elevator 3, the spiral conveyor 16 is arranged between the steel shot discharge port 11 and the bucket elevator inlet 10, an outlet at the upper end of the bucket elevator 3 is connected with the shot separator 4, an outlet of the shot separator 4 is connected with the sand storage hopper 5, the lower side of the sand storage hopper 5 is connected with the elephant trunk 6, an outlet at the lower side of the elephant trunk 6 is connected with the shot blasting machine 8 through the shot valve 7, and the spiral conveyor 16 conveys the steel shots at the bottom of the shot blasting chamber 9 to the bucket elevator inlet 10 at the lower part of; the steel shot is lifted to the upper part of the bucket lifting machine 3 by driving a bucket lifting machine motor 20 and a bucket lifting machine speed reducer 21 which are installed on the bucket lifting machine, the steel shot is sent into a shot separator 4 by the bucket lifting machine 3 to be separated, the intact steel shot is sent into a sand storage hopper 5, the shot amount entering a shot blasting device 8 can be controlled by a shot valve 7, and a shot blasting chamber 9 and the shot separator 4 are connected with a dust remover through a pipeline and used for removing impurities such as rust chips and dust in the steel shot.

Referring to fig. 4-5, the roller support 13 is connected with the shot blasting chamber 9 fixed at the lower part of the shot blasting device 8 through a rotating shaft 27 at the middle parts of two sides, and is connected with the rotating shaft 27 at one side of the roller support 13 through a roller overturning motor 14 and a roller overturning speed reducer 15 fixed at the outer side of the shot blasting chamber 9, and the roller overturning motor 14 can realize that the roller support 13 and the roller 12 overturn between three working states of charging, shot blasting and discharging. Roller bracket 13 is the hopper-shaped structure, and sealed frame 35 sets up on roller bracket 13 opening side, and roller bracket 13's both sides middle part is connected with shot-blasting room 9 through pivot 27, and the sealed frame 35 setting of pivot 27 one side is outside at shot-blasting room 9, and the sealed frame 35 setting of pivot 27 opposite side is inside shot-blasting room 9. When the roller bracket 13 is attached to the shot blasting chamber 9, the roller bracket 13 and the sealing frame 35 of the shot blasting chamber 9 are abutted. The bottom of the roller bracket 13 is provided with a motor base 28, the roller rotating motor 22 is fixedly installed on the motor base 28, the roller rotating motor 22 is connected with a roller rotating speed reducer 23, the roller rotating motor 22 is connected with the bottom of the roller 12 through a rotating shaft 36, and a damping mechanism is arranged between the roller bracket 13 and the motor base 28.

The rubber plate 30 is fixedly arranged on the sealing frame 35 of the roller bracket 13, so that the sealing effect can be enhanced, dust and rust are prevented from leaking, and the working environment is protected; the baffle 25 is installed to cylinder 12 inboard, guarantees through the effect of baffle 25 that shot blasting work in shot-blast steel shot or steel shot and work piece well contact, improves and throws ball effect and efficiency, has mesh hole 26 in cylinder 12 bottom, and the steel shot of accomplishing the shot blasting sieves out from mesh hole 26, continues to participate in the shot blasting work through carrying purification mechanism, and the steel shot realizes recycling, effectively improves the availability factor of steel shot, saves time, reduce cost.

Referring to fig. 6-7, the damping mechanism includes a damping bolt 29 and a damping spring 31, the damping bolt 29 passes through the motor base 28 and then is fixedly connected with the bottom of the roller bracket 13, the damping spring 31 is installed between the bolt cap at the rear end of the motor base 28 and the damping bolt 29, the damping mechanism can play a certain damping and buffering role in the overturning and charging of the roller bracket 13, the impact of the workpiece poured in due to inertia and workpiece adding during the overturning of the roller bracket 13 on the rotating shaft 36 at the bottom and other parts is effectively reduced, the important protection effect is played on the rotating shaft 36 and the driving part at the bottom of the roller bracket 13, and the service life of the above parts is prolonged to a certain extent.

In the embodiment, the baffle 32 protruding towards the opening side of the drum is arranged at the bottom of the inner side of the drum 12, the sealing groove formed by two support sealing plates 33 at intervals is arranged at the inner side of the drum support 13, the drum sealing plate 34 inserted into the sealing groove is arranged at the bottom of the outer side of the drum 12, the baffle 32 prevents steel shots from being accumulated at the bottom of the drum 12, and the steel shots are prevented from contacting with the joint of the rotating shaft 36 and the drum 12, so that the reliable connection is ensured. The drum sealing plate 34 and the support sealing plate 33 prevent the steel shots discharged from the screen holes 26 out of the drum 12 from entering the bearing of the rotating shaft 36, and ensure the reliable operation of the drum.

The working process refers to fig. 8-10, the workpiece to be processed is placed in a feeding hopper 19, the workpiece is added into a roller 12 through a feeding mechanism, the system is in a working state as shown in fig. 8, after the workpiece is fed, a roller overturning motor 14 drives a roller support 13 and the roller 12 to overturn to a working state as shown in fig. 9, a sealing frame 35 of the roller support 13 is tightly attached to a shot blasting chamber 9, the roller 12 is driven by a roller rotating motor 22 to rotate at a high speed to drive the workpiece to be cleaned to overturn and collide with steel shots, the steel shots are sent into the roller 12 by a shot blasting device 8 to perform shot blasting on the workpiece, the steel shots are separated from the workpiece through a screen mesh 26 under the roller 12 and are discharged from a steel shot discharge port 11 at the lower part of the roller support 13 into a spiral conveyor 16, the steel shots are added into a bucket elevator 3 through the spiral conveyor 16 to be conveyed upwards for processing and then recycled, after the workpiece is processed, the drum reversing motor 14 drives the drum bracket 13 and the drum 12 to reverse the workpiece to the state shown in fig. 10, and the workpiece is discharged from the drum 12 and conveyed to the next work site by the vibrating conveyor 24.

Referring to fig. 11, the damping mechanism of the drum in this embodiment may also adopt a manner of a disc spring 38, the damping bolt 29 passes through the motor base 28 and then is connected to the drum bracket 13, two gaskets 37 are disposed between the heads of the motor base 28 and the damping bolt 29, multiple sets of disc springs 38 are disposed between the two gaskets, and the damping of the drum 12 is achieved through the disc springs 38.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a drum-type shot-blasting machine which characterized in that: including impeller head (8), shot-blasting chamber (9), cylinder (12), roller bracket (13), impeller head (8) are fixed on shot-blasting chamber (9) upper portion, inside cylinder (12) fixed mounting in roller bracket (13), one side opening setting of shot-blasting chamber (9), roller bracket (13) rotate the opening part that sets up at shot-blasting chamber (9), roller bracket (13) are connected with the cylinder tilting mechanism that drives its upset, be equipped with cylinder rotating electrical machines (22) of driving roller (12) rotation on roller bracket (13), still be equipped with on roller bracket (13) with shot-blasting chamber (9) matched with sealed frame (35), after roller bracket (13) driving roller (12) overturn to in shot-blasting chamber (9), sealed frame (35) and the sealed of shot-blasting chamber (9) of realization one side laminating of opening of shot-blasting chamber (9) mutually.

2. The drum type shot blasting machine according to claim 1, wherein: roller support (13) be the hopper-shaped structure, sealed frame (35) set up on roller support (13) opening side, the both sides middle part of roller support (13) is connected with shot-blasting room (9) through pivot (27), sealed frame (35) of pivot (27) one side set up in shot-blasting room (9) outside, sealed frame (35) of pivot (27) opposite side set up inside shot-blasting room (9).

3. The drum type blasting machine according to claim 1 or 2, wherein: and a rubber plate (30) is fixed on the sealing frame (35).

4. The drum type shot blasting machine according to claim 1, wherein: the bottom of the roller (12) is provided with a screen hole (26), and a conveying and purifying mechanism for sending steel shots back to the impeller head (8) is arranged between the impeller head chamber (9) and the impeller head (8).

5. The roller type blasting machine according to claim 4, wherein: carry purification mechanism include that the bucket carries machine (3), ball material separator (4), store up sand fill (5) and screw conveyer (16), bucket carries machine (3) lower part and passes through screw conveyer (16) and connect shot-blasting chamber (9) bottom, bucket carries machine (3) upper end and connects through ball material separator (4) and stores up sand fill (5), it is connected with elephant trunk (6) to store up sand fill (5) downside, elephant trunk (6) exit is equipped with ball material valve (7), the export of ball material valve (7) links to each other with impeller head (8), shot-blasting chamber (9) pass through the pipe connection dust remover with ball material separator (4).

6. The drum type shot blasting machine according to claim 1, wherein: and a feeding mechanism for feeding the workpiece to be processed into the roller (12) is also arranged on one side of the opening of the shot blasting chamber (9).

7. The roller type blasting machine according to claim 6, wherein: the feeding mechanism comprises a feeding hopper (19), a winch (2) and a feeding support (1), the feeding support (1) is fixed on one side of an opening of the shot blasting chamber (9), the feeding hopper (19) is rotatably arranged on the feeding support (1), and the winch (2) is fixed at the upper end of the feeding support (1) and is connected with the feeding hopper (19) through a steel wire rope.

8. The drum type shot blasting machine according to claim 1, wherein: the drum support (13) bottom be equipped with motor cabinet (28), drum rotating electrical machines (22) fixed mounting is on motor cabinet (28), drum rotating electrical machines (22) pass through rotation axis (36) and are connected with cylinder (12), be equipped with damper between drum support (13) and motor cabinet (28).

9. The drum type blasting machine according to claim 8, wherein: the damping mechanism comprises a damping bolt (29) and a damping spring (31), the damping bolt (29) penetrates through the motor base (28) and then is fixedly connected with the roller bracket (13), and the damping spring (31) is arranged between the motor base (28) and a bolt cap at the rear end of the damping bolt (29).

10. The drum type shot blasting machine according to claim 1, wherein: the roller turnover mechanism is a roller turnover motor (14) fixed on the outer side of the shot blasting chamber (9).

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