CN111251198A

CN111251198A - Separation recovery unit and shot-blasting machine

Info

Publication number: CN111251198A
Application number: CN202010226133.6A
Authority: CN
Inventors: 王铮; 王志; 马联生
Original assignee: Hebei Qiangyue Anti Corrosion Technology Co Ltd
Current assignee: Hebei Qiangyue Anti Corrosion Technology Co Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-06-09
Anticipated expiration: 2040-03-27
Also published as: CN111251198B

Abstract

The invention relates to a separation and recovery device, which comprises a machine shell; the screen plate is arranged on the shell, the height of the screen plate gradually becomes lower from the input end to the output end, a connecting plate is arranged on the screen plate, a vibrating piece is connected onto the connecting plate, shot blasting and debris fall onto the screen plate, a debris collecting box is arranged below the screen plate, and a shot blasting collecting box is arranged on one side of the screen plate; the bottom end of the lifting device is positioned in the shot blasting collection box and comprises a driving chain wheel shaft and a driven chain wheel shaft which are arranged on the shell, a chain wound on the driving chain wheel shaft and the driven chain wheel shaft, a lifting bin arranged on the chain and a driving piece arranged on the shell and connected with the driving chain wheel shaft; the bin distributing plate is arranged on the shell and located at the output end of the lifting device, the tail end of the bin distributing plate is located in the shot blasting devices, and the height of the bin distributing plate gradually becomes lower from the input end to the output end. The invention solves the problem of poor separation effect of the separation and recovery device of the shot blasting machine, enables shot blasting and debris to be well separated, and reduces the amount of debris in the shot blasting machine.

Description

Separation recovery unit and shot-blasting machine

Technical Field

The invention relates to shot blasting machine equipment, in particular to a separation and recovery device and a shot blasting machine.

Background

The embedded parts (prefabricated embedded parts) are members which are pre-installed (embedded) in hidden projects, namely, structural parts arranged during the pouring of the structure and used for lap joint during the building of the superstructure. In order to be favorable to the installation of external engineering equipment basis fixed, the built-in fitting is mostly made by metal, for example: the steel bar or cast iron, also can be made of non-metal rigid material such as wood, plastics, etc. After the metal embedded part is cast, the embedded part needs to be polished, and a shot blasting machine is often used.

The shot blasting machine is casting equipment for cleaning or strengthening the surface of a casting by using high-speed shot thrown by a shot blasting machine. The shot blasting machine can simultaneously perform sand falling, core removal and cleaning on the casting.

However, in the production and use processes of the shot blasting machine, the separation effect of the separation and recovery device is poor, so that more impurities exist in the shot blasting machine, and the work of the shot blasting machine is not facilitated.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a separation and recovery device, which solves the problem of poor separation effect of the separation and recovery device of a shot blasting machine, enables shot blasting and debris to be well separated, and reduces the amount of the debris in the shot blasting machine.

The above object of the present invention is achieved by the following technical solutions:

a separation and recovery device comprises

A housing;

the screen plate is arranged on the casing, the height of the screen plate gradually becomes lower from the input end to the output end, a connecting plate is arranged on the screen plate, a vibrating piece is connected onto the connecting plate, shot blasting and debris fall onto the screen plate, a debris collecting box is arranged below the screen plate, and a shot blasting collecting box is arranged on one side of the screen plate;

the bottom end of the lifting device is positioned in the shot blasting collection box and comprises a driving chain wheel shaft and a driven chain wheel shaft which are arranged on the shell, a chain wound on the driving chain wheel shaft and the driven chain wheel shaft, a lifting bin arranged on the chain and a driving piece arranged on the shell and connected with the driving chain wheel shaft;

the bin distributing plate is arranged on the shell and located at the output end of the lifting device, the tail end of the bin distributing plate is located in the shot blasting devices, and the height of the bin distributing plate gradually becomes lower from the input end to the output end.

Through adopting above-mentioned technical scheme, the mixture falls the back on the sieve jointly, the vibrating part drives the sieve and vibrates, the sieve falls the piece impurity and filters at the vibration, and strain the shot in the shot-blasting machine and remove, this in-process, the piece falls into in the piece collecting box, throw the ball and fall into in throwing the ball collecting box, then the shot-blasting machine rises under the drive in the promotion storehouse on the chain, then will throw the ball through passing through the bin plate and send back to the impeller head in, let the impeller head utilize the shot-blasting again, at this in-process, it is obvious with piece separation effect to throw the ball, fine will throw the ball and get rid of, make the better drive of impeller head rotate, thereby make throw the ball better throw the ball to the work piece under centrifugal force.

The invention is further configured to: the screen plate comprises two abutting screening sections;

two of the screening portions are V-shaped.

By adopting the technical scheme, after the mixture falls into the sieving parts on the sieve plate, the two sieving parts form a V shape, namely an included angle exists between the two sieving parts, so that the separation of the mixture at the upper end of the sieving part from the scrap impurities and the shot blasting under the action of vibration is facilitated, the separation speed is high, the effect is good, the shot blasting can be better recovered, and the shot blasting can be better used for removing scraps and oxide skin of the workpiece.

The invention is further configured to: the sieve plate also comprises a filtering part connected with the two sieving parts;

the filter portion is located at an output end of the sifting portion.

Through adopting above-mentioned technical scheme, the filter house on the sieve can filter the shot-blast, makes the shot-blast pass through, and some great impurity are stayed, makes the impurity that gets rid of that the sieve can be better.

The invention is further configured to: the sieve plate further comprises a conveying part, the conveying part is located at the output end of the filtering part, and the filtering part is located between the sieving part and the conveying part.

Through adopting above-mentioned technical scheme, the transport part is the extension of sieve, makes can keep apart relatively great space between piece collecting box and the shot-blasting collecting box to the piece impurity of sieve separation is unlikely to make impurity fall into under its powerful vibration under the vibration and throws the ball collecting box in, and further reduction throws the impurity in the ball collecting box, has reduced the impurity in the impeller head simultaneously.

The invention is further configured to: the sieve plate also comprises two baffle parts which are oppositely arranged;

the two baffle plates are positioned at two ends of the conveying part.

Through adopting above-mentioned technical scheme, set up the baffle portion through the both ends at conveying portion to when throwing the ball and flowing in throwing the ball collecting box through conveying portion, reduced and thrown the drop of ball on conveying portion.

The invention is further configured to: the shell is connected with a negative pressure pipeline, and an air port of the negative pressure pipeline is located between the output end of the lifting device and the input end of the bin dividing plate.

Through adopting above-mentioned technical scheme, when the connection of negative pressure pipeline made the shot-blast drop to the bin separating plate on hoisting device, can be further get rid of the impurity in the shot-blast.

The invention is further configured to: the output end of the negative pressure pipeline is connected with an electrostatic dust removal device.

Through adopting above-mentioned technical scheme, electrostatic precipitator device carries out the static to getting over the impurity of negative pressure pipeline internal absorption and gets rid of, has reduced the pollution of impurity to the air.

A shot blasting machine is characterized by comprising any one of the separation and recovery devices.

In conclusion, the beneficial technical effects of the invention are as follows:

1. after the mixture falls on the sieve jointly, the vibrating piece drives the sieve and vibrates, the sieve filters at the descending piece impurity of vibration effect, and strain the shot in the shot-blasting machine and remove, this in-process, the piece falls into in the piece collecting box, throw the ball and fall into in throwing the ball collecting box, then the shot-blasting machine rises under the drive in the promotion storehouse on the chain, then will throw the ball through the partition board and send back to the impeller head in, let the impeller head utilize the shot-blasting again, at this in-process, it is obvious with the piece separation effect to throw the ball, fine will throw the ball and get rid of, make the better drive of impeller head throw the ball and rotate, thereby make the better throw the ball to the work piece under centrifugal force.

2. The screening part and the filtering part on the sieve plate well remove the debris and impurities, and a cleaner shot blasting is provided for the shot blasting machine.

3. The connection of the negative pressure pipeline enables the shot blasting to further remove impurities in the shot blasting when the shot blasting drops on the lifting device to the bin separating plate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partial structural view of fig. 1.

Figure 3 is an isometric view of the screen panel.

Fig. 4 is a left side view of fig. 3.

Fig. 5 is a partial structural schematic view of fig. 1.

Fig. 6 is a partial structural schematic view of fig. 5.

Fig. 7 is an overall mechanism schematic diagram of an embodiment of the present invention.

In the figure, 11, the housing; 21. a sieve plate; 211. screening; 212. a filtering part; 213. a conveying section; 214. a baffle portion; 22. a connecting plate; 23. a vibrating member; 24. a debris collection bin; 25. a shot blasting collection box; 3. a lifting device; 31. a drive sprocket shaft; 32. a driven sprocket shaft; 33. a chain; 34. lifting the bin; 35. a drive member; 41. a bin dividing plate; 51. a negative pressure pipeline; 52. an electrostatic dust removal device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a separation and recovery device disclosed in the embodiment of the present invention mainly includes a casing 11, a sieve plate 21, a lifting device 3, a bin separation plate 41, and the like. The screen plate 21 is fixed on the casing 11 through a high-strength bolt, the lifting device 3 is arranged on one side of the output end of the screen plate 21, the bin dividing plate 41 is arranged at the position of the output end of the lifting device 3, shot blasting returns to the shot blasting machine through the bin dividing plate 41, and the shot blasting machine performs shot blasting on the cast embedded part again.

Referring to fig. 2, two ends of the sieve plate 21 are fixed on the casing by high-strength bolts, a connecting plate 22 is interposed between the sieve plate 21 and the casing 11, the connecting plate 22 is U-shaped, two side plates thereof are fixed on the casing 11 by high-strength bolts, and a bottom edge of the connecting plate 22 is above the sieve plate 21. The bottom plate on the connecting plate 22 is connected with two vibrating pieces 23, the number of the vibrating pieces 23 is two, the vibrating pieces 23 adopt vibrating motors, and the two vibrating pieces 23 vibrate synchronously; the vibrating piece 23 vibrates the screen plate 21 through the connecting plate 22, so that impurities on the screen plate 21 are separated from shot blasting.

A debris collection box 24 is arranged below the screen plate 21, the opening of the debris collection box 24 faces upwards, and the screen plate 21 is covered by the opening of the debris collection box 24. The holes on the sieve plate 21 are smaller than the diameter of the shot blast, and the diameter of the holes on the sieve plate 21 is one half to two thirds of the diameter of the shot blast. One side of the output end of the sieve plate 21 is provided with a shot blasting collecting box 25, and after impurities are removed by the sieve plate 21, shot blasting falls into the shot blasting collecting box 25 through the sieve plate 21.

Further, referring to fig. 3 and 4, the screen plate 21 includes two screening portions 211, a filtering portion 212, a conveying portion 213, and two baffle portions 214. The edges of the two sifting sections 211 are butted together, and a certain included angle is formed between the two sifting sections 211, the included angle ranges from 5 degrees to 10 degrees, so that the two sifting sections 211 are in a V shape, the two sifting sections 211 are inclined from one end to the other end along a connecting line, namely, the heights of the two sifting sections 211 gradually become lower from the input end to the output end of the two sifting sections 211, and the flowing and sifting of the mixture are facilitated. The diameter of the holes in the screening section 211 is smaller than the diameter of the shot blast, and the diameter of the holes in the screening section 211 is one half to two thirds of the shot blast diameter.

The filtering portion 212 is located at the end of the connecting line of the two sieving portions 211, namely, at the end of the lowest point of the connecting line of the two sieving portions 211, the filtering portion 212 is fixedly connected with both sieving portions 211, and the plane of the filtering portion 212 is perpendicular to the plane of each of the two sieving portions 211. The diameter of the holes on the filter part 212 is larger than the diameter of the shot blast and is between 1.1 and 1.2 times of the diameter of the shot blast. When the mixture was carried out the screening separation on screening portion 211, some impurity can fall through the hole on screening portion 211, and some great impurity can be kept off by filter portion 212 and is established, and the shot-blast can pass through the hole on filter portion 212, and the vibration of vibrating piece 23 is favorable to throwing the quick pass through of ball.

The conveying unit 213 is connected to the filter unit 212, and the conveying unit 213 is located on a side of the filter unit 212 remote from the sieving unit 211. The highest end of the conveying part 213 is lower than the lowest end of the sieving part 211, and the height of the conveying part 213 gradually decreases from one end connected to the filtering part 212 to the other end. The conveying part 213 is an extension of the sieving part 211, but the conveying part 213 is a plate without holes. One end of the conveying part 213, which is far away from the filter part 212, is positioned right above the shot blasting collecting box 25, shot blasting falls onto the conveying part 213 through the filter part 212, and shot blasting falls into the shot blasting collecting box 25 from the tail end of the conveying part 213.

The two baffle portions 214 are oppositely arranged at both side ends of the conveying portion 213 in the flowing direction of the shot blast, and the two baffle portions 214 block the shot blast flowing on the conveying portion 213, thereby reducing the possibility that the shot blast falls out from both sides of the conveying portion 213.

Referring to fig. 5 and 6, the bottom end of the lifting device 3 is positioned in the shot blasting collection box 25, so as to lift and utilize shot blasting in the shot blasting collection box 25. The lifting device 3 comprises a driving sprocket shaft 31 and a driven sprocket shaft 32 which are arranged on the machine shell 11, a chain 33 which is wound on the driving sprocket shaft 31 and the driven sprocket shaft 32, a lifting bin 34 which is arranged on the chain 33, and a driving piece 35 which is arranged on the machine shell 11 and is connected with the driving sprocket shaft 31.

Two chain wheels are arranged on the driving chain wheel shaft 31 and the driven chain wheel shaft 32, the driving chain wheel shaft 31 and the driven chain wheel shaft 32 are distributed up and down, the driving chain wheel shaft 31 is located right above the driven chain wheel shaft 32, shafts of the driving chain wheel shaft 31 and shafts of the driven chain wheel shaft 32 are both rotatably connected with the machine shell 11, two chains 33 are arranged, the chains 33 are respectively wound on the chain wheels on the driving chain wheel shaft 31 and the driven chain wheel shaft 32, the chains 33 are integrally wound on the chain wheels of the driving chain wheel shaft 31 and the chain wheels of the driven chain wheel shaft 32, and the driving chain wheel shaft 31 drives the chains 33 and the driven chain wheel shaft 32 to rotate. The number of the lifting bins 34 is multiple, the lifting bins 34 are uniformly arranged on the outer side of the chain 33, the lifting bins 34 drive shot blasting in the shot blasting collecting box 25 to ascend, shot blasting is sent to the bin dividing plate 41 in the overturning process of the lifting bins 34, and the shot blasting returns to the shot blasting machine along the bin dividing plate 41 and then is impacted on a workpiece embedded part through the shot blasting machine. The driving member 35 is installed on the housing 11, the driving member 35 is a motor and a speed reducer, an output end of the driving member 35 is connected with the driving sprocket shaft 31, and the driving member 35 drives the driving sprocket shaft 31 to rotate.

The tail end of the bin dividing plate 41 is connected with a plurality of shot blasting devices, shot blasting automatically rolls into different shot blasting devices along the bin dividing plate 41, and the height of the bin dividing plate 41 from the output end of the lifting device 3 to the shot blasting devices is gradually reduced.

The vibrating piece 23 vibrates the sieve plate 21 through the connecting plate 22, so that shot blasting and magazines are separated, the separated shot blasting is lifted by the lifting device 3 and sent to the bin dividing plate 41, and the separated shot blasting returns to the shot blasting machine along the bin dividing plate 41.

Further, referring to fig. 7, a negative pressure pipeline 51 is connected to the casing 11, an interface between the negative pressure pipeline 51 and the casing 11 is located between the output end of the lifting device 3 and the input end of the binning plate 41, that is, an inlet and an outlet of the negative pressure pipeline 51 on the casing 11 are located between the driving sprocket shaft 31 and the binning plate 41, and the negative pressure pipeline 51 further removes impurities from the shot blast thrown into the binning plate 41 through the lifting bin 34.

The output end of the negative pressure pipeline 51 is connected with an electrostatic dust removal device 52, the electrostatic dust removal device 52 is an electrostatic dust collector, and the electrostatic dust removal device 52 filters the air passing through the negative pressure pipeline 51, so that scrap iron in the air is filtered, and the scrap iron is reduced and discharged into the atmosphere.

The invention also discloses a shot blasting machine which comprises the separation and recovery device.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A separation recovery unit which characterized in that: comprises that

A housing (11);

the shot blasting machine comprises a screen plate (21) arranged on a machine shell (11), wherein the screen plate (21) gradually becomes lower in height from an input end to an output end, a connecting plate (22) is connected onto the screen plate (21), a vibrating piece (23) is connected onto the connecting plate (22), shot blasting and chippings fall onto the screen plate (21), a chippings collecting box (24) is arranged below the screen plate (21), and a shot blasting collecting box (25) is arranged on one side of the screen plate (21);

the bottom end of the lifting device (3) is positioned in the shot blasting collection box (25) and comprises a driving chain wheel shaft (31) and a driven chain wheel shaft (32) which are arranged on the machine shell (11), a chain (33) wound on the driving chain wheel shaft (31) and the driven chain wheel shaft (32), a lifting bin (34) arranged on the chain (33) and a driving piece (35) arranged on the machine shell (11) and connected with the driving chain wheel shaft (31);

divide storehouse board (41), establish on casing (11), divide storehouse board (41) to be located the output of hoisting device (3), the end of dividing storehouse board (41) is located a plurality of impeller heads, divide storehouse board (41) to become low gradually from the input to the output height.

2. A separation and recovery apparatus as claimed in claim 1, wherein: the screening deck (21) comprises two abutting screening sections (211);

the two screening portions (211) are V-shaped.

3. A separation and recovery apparatus as claimed in claim 2, wherein: the screening deck (21) further comprises a filter section (212) connected to the two screening sections (211);

the filter portion (212) is located at an output end of the sifting portion (211).

4. A separation and recovery apparatus as claimed in claim 3, wherein: the sieve plate (21) further comprises a conveying part (213), the conveying part (213) is located at an output end of the filtering part (212), and the filtering part (212) is located between the sieving part (211) and the conveying part (213).

5. A separation and recovery device according to claim 4, wherein: the sieve plate (21) also comprises two baffle parts (214) which are oppositely arranged;

the two baffle parts (214) are positioned at both ends of the conveying part (213).

6. A separation and recovery apparatus as claimed in claim 1, wherein: the shell (11) is connected with a negative pressure pipeline (51), and an air opening of the negative pressure pipeline (51) is located between the output end of the lifting device (3) and the input end of the bin dividing plate (41).

7. A separation and recovery device, as claimed in claim 6, wherein: the output end of the negative pressure pipeline (51) is connected with an electrostatic dust collection device (52).

8. A shot blasting machine, characterized by comprising a separation and recovery device according to any one of claims 1 to 7.