CN111644984A - Lifting hook suspension type shot blasting machine and application method thereof - Google Patents

Abstract

The invention discloses a hook suspension type shot blasting machine and an application method thereof, belonging to the technical field of shot blasting machines. One end of the material track extends above the cleaning room, and the hanging hook component includes a walking component that moves along the feeding track and a hook arranged below the walking component. The hook is provided with a docking sprocket; the upper part of the cleaning room is provided with an upward swing The upper slewing device includes two symmetrically arranged slewing chains, the slewing chains are matched with the docking sprockets, and the walking assembly can move along the feeding track, so that the docking sprockets are docked with the two slewing chains at the same time. This technical solution enables the workpiece to be rotated in the cleaning chamber, which solves the problem that the traditional shot blasting machine can only process one side of the workpiece each time it enters the cabin. It has the effect of moving the workpiece.

Description

Hook suspension type shot blasting machine and application method thereof

technical field

The invention belongs to the technical field of shot blasting machines, and particularly relates to a hook suspension type shot blasting machine and an application method thereof.

Background technique

The hook suspension type shot blasting machine is widely used in the surface cleaning or strengthening of small and medium-sized castings and forgings in foundry, construction, chemical industry, electrical machinery, machine tools and other industries. The pelletizer throws the pellets to the surface of the workpiece, so that the surface of the workpiece reaches a certain roughness, which makes the workpiece more beautiful, or changes the compressive stress of the workpiece to improve the life of the workpiece.

When the existing hook-suspended shot blasting machine is working, the workpiece can only process one surface of the workpiece each time it enters the cleaning room, and the workpiece will not rotate in the cleaning room, resulting in the need for multiple clamping and processing to completely process a workpiece. , which seriously affects the work efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a hook suspension type shot blasting machine and an application method thereof. By setting a slewing device on the upper part of the cleaning chamber, the workpiece can be rotated in the cleaning chamber, which solves the problem that the traditional shot blasting machine handles the workpiece every time it enters. The cabin can only be processed on one side, and by adjusting the rotation direction of the driving servo motor in the upper slewing device, the upper slewing device can be used to move the workpiece.

In order to achieve the above-mentioned purpose, the solution of the present invention is:

A hook-suspended shot blasting machine includes a cleaning chamber and a feeding rail frame assembly for conveying workpieces into the cleaning chamber;

The feeding rail frame assembly includes a feeding rail and a hanging hook assembly installed on the feeding rail. One end of the feeding rail extends above the cleaning chamber, and the hanging hook assembly includes a hanging hook assembly that moves along the feeding rail. a traveling assembly and a hook arranged below the traveling assembly, the hook is rotatably installed below the traveling assembly around its axis, and a docking sprocket is arranged on the hook;

The cleaning chamber is provided with a shot blasting machine, and the upper part of the cleaning chamber is provided with an upper slewing device. The upper slewing device includes two slewing chains symmetrically arranged on the left and right sides of the feeding track and a drive servo that drives the corresponding slewing chains. The motor, the rotating chain is matched with the docking sprocket, and the walking assembly can move along the feeding track, so that the docking sprocket is docked with the two rotating chains at the same time.

The above-mentioned feeding rail frame assembly further includes two feeding rails and a rail changing device, and the rail changing device connects any one of the feeding rails with the feeding rail.

An electric hoist for driving the hook to go up and down is arranged below the above-mentioned walking assembly.

It also includes an elevator component, a pellet separation component and a water dust removal component, wherein a pellet recovery hopper is arranged at the lower part of the cleaning chamber, and the feeding end of the elevator component is communicated with the pellet recovery bucket through a screw feeding device, The discharge end of the elevator component is communicated with the inlet end of the shot and slag separation component, and the shot outlet of the shot and slag separation component is communicated with the feed end of the shot blasting device through a shot supply valve. The dust outlet of the slag separation component communicates with the inlet end of the water dust removal component.

It also includes a settler, the inlet end of the settler communicates with the dust outlet of the pellet separation component, and the dust outlet of the settler communicates with the inlet end of the water dust removal component.

A cyclone separator is also included, the inlet end of the cyclone separator is communicated with the dust outlet of the settler, and the dust outlet of the cyclone separator is communicated with the inlet end of the water dust removal assembly.

The application method of a hook suspension type shot blasting machine as mentioned above includes the following steps:

Step 1, hoist the workpiece to be processed on the hanging hook assembly on any feeding rail, and connect the feeding rail with the feeding rail through the track changing device, and then the hanging hook assembly drives the workpiece to move to the cleaning room ;

Step 2, when the hanging hook assembly drives the workpiece to move to the cleaning room, the docking sprocket on the hook is docked with the two rotating chains at the same time, and the two driving servo motors are turned on at the same time, and the two driving servo motors are connected. The direction of rotation is opposite, and the two rotating chains and the walking components together drive the workpiece to move to the interior of the cleaning room;

Step 3, after the workpiece is moved to the predetermined station, the walking assembly and the two drive servo motors are temporarily stopped to fix the position of the workpiece, and then the shot blasting machine is started to blast the workpiece;

Step 4: After finishing the treatment on the side of the workpiece facing the shot blasting machine, start the two drive servo motors at the same time, and make the two drive servo motors rotate in the same direction, so that the two rotating chains cooperate to drive the docking sprocket to rotate around its axis, Rotate the workpiece at a certain angle, so that the shot blasting machine can process the other side of the workpiece until the shot blasting of the workpiece surface is completed;

Step 5, the traveling assembly cooperates with the two slewing chains to move the hanging hook assembly to the cleaning room, and at the same time, place the next workpiece to be processed on the hanging hook assembly of the other feeding track;

In step 6, the processed workpiece is removed, and at the same time, the next workpiece to be processed is transported into the cleaning chamber, and steps 1-6 are repeated.

After adopting the above scheme, the beneficial effects of the present invention are:

(1) In the present invention, a rotary device is arranged on the upper part of the cleaning chamber, so that the workpiece can be rotated in the cleaning chamber, which solves the problem that the traditional shot blasting machine can only process one side of the workpiece each time it enters the chamber, greatly improves the work efficiency, and through Adjust the rotation direction of the driving servo motor in the upper slewing device, so that the upper slewing device can move the workpiece;

(2) The present invention is provided with two feeding rails on the feeding rail frame assembly, which can complete the clamping of the next workpiece within the time of processing one workpiece by the shot blasting machine, which solves the problem of the previous shot blasting machine in the loading time. When clamping the next workpiece, it needs to wait until the previous workpiece is unloaded, which greatly improves the work efficiency;

(3) In the present invention, the pellets thrown by the shot blasting machine fall into the pellet recovery hopper, and after being lifted by the elevator assembly, they fall into the pellet slag separator, and after being screened by the pellet slag separator, the pellets and the dust waste are separated. Separation, and then the pellet size is resupplied to the shot blasting device by the pellet valve, which realizes the recycling of pellets;

(4) In the present invention, a settler and a cyclone separator are also arranged between the pellet separator and the water dedusting component. The settler can use gravity to settle the pellets mixed in the dust and waste, and the cyclone separator can use The distance of the vortex air flow in the aerodynamics will carry out the secondary sedimentation of the pellets that may still be mixed in the dust and waste to ensure that the pellets are all separated.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the overall structure schematic diagram of the hook suspension type shot blasting machine of the present invention;

Fig. 2 is the explosion structure schematic diagram of the hook suspension type shot blasting machine of the present invention;

Fig. 3 is the top view of Fig. 1;

Fig. 4 is the enlarged schematic diagram at A place in Fig. 2;

Fig. 5 is the docking schematic diagram of the docking sprocket and the rotary chain in the hook suspension type shot blasting machine of the present invention;

FIG. 6 is a schematic diagram of the cooperation between the docking sprocket and the rotating chain in the hook suspension type shot blasting machine of the present invention.

Reference number:

100, cleaning room; 200, feeding rail frame assembly; 210, feeding rail; 220, hanging hook assembly; 221, walking assembly; 222, hook; 223, docking sprocket; 110, shot blasting wheel; 120, Upper slewing device; 121, drive servo motor; 122, slewing chain; 230, feeding track; 240, track changing device; 250, electric hoist; 300, hoist assembly; 400, pellet and slag separation assembly; 500, water dust removal Components; 600, settler; 700, cyclone.

Detailed ways

In order to make the content of the present invention easier to understand clearly, the present invention will be further described in detail below according to specific embodiments and in conjunction with the accompanying drawings.

This embodiment provides a hook suspension type shot blasting machine, see FIGS. 1 to 6 , including a feed rail frame assembly 200 , a cleaning chamber 100 , a hoist assembly 300 , a shot and slag separation assembly 400 , a settler 600 , and a cyclone Separator 700 and water dedusting assembly 500.

The feeding rail frame assembly 200 includes a feeding rail 230, a feeding rail 210, a track changing device 240 and a hanging hook assembly 220. There are two feeding rails 230, and one end of the two feeding rails 230 is connected to One end of the feeding rail 210 is arranged opposite to each other, and the other end of the feeding rail 210 extends to the top of the cleaning chamber 100. The track changing device 240 is arranged between the feeding rail 230 and the feeding rail 210. By adjusting the track changing device 240 Any one of the feeding rails 230 can be connected to the feeding rail 210 . The hanging hook assembly 220 includes a traveling assembly 221 that can move along the feeding track 230 and the feeding track 210 . The traveling assembly 221 includes traveling wheels and a traveling motor that drives the traveling wheels to rotate. An electric hoist 250 is arranged below the traveling assembly 221 , and a hook 222 is hung below the electric hoist 250 , and the hook 222 can rotate along its own axis direction. A docking sprocket 223 is coaxially fixed on the hook 222 .

The hanging hook assembly 220 can be loaded onto the feeding rail frame assembly 200 by the end of the feeding rail 230 , and moved to the feeding rail 210 along the feeding rail 230 , and then can be moved to the cleaning chamber 100 along the feeding rail 210 so that the workpiece suspended on the hook 222 is transported into the cleaning chamber 100 .

One side of the cleaning chamber 100 is provided with two shot blasting machines 110 , which can perform shot blasting treatment on the workpieces in the cleaning chamber 100 . The upper part of the cleaning chamber 100 is provided with an upper rotation device 120 , and the upper rotation device 120 includes two rotation chains 122 symmetrically arranged on the left and right sides of the feed rail 210 , and the two rotation chains 122 are adjacent to one side of the feed rail 210 . Both are parallel to the feed track 210 . Both of the two rotating chains 122 are driven by the drive servo motor 121 . It should be noted that the two drive servo motors 121 are double-pulse servo motors, which can realize forward and reverse rotation.

When the hanging hook assembly 220 moves along the feeding track 210, and when it just enters the cleaning chamber 100, the docking sprocket 223 on the hook 222 can be docked with the two rotating chains 122 at the same time, at this time, the two driving servo motors 121 The rotation directions of the two slewing chains 122 are opposite to each other, and the two slewing chains 122 move toward the rear of the cleaning chamber 100 on the side adjacent to the feeding track 210, so that the two slewing chains 122 are docked with the docking sprocket 223 at the same time, and the two slewing chains 122 continue to move with the , which can cooperate with the walking assembly 221 to drive the hook 222 and the workpiece to move into the cleaning chamber 100 together, and send the workpiece to the designated position together. When the hook 222 drives the workpiece to move to the shot blasting station in the cleaning chamber 100, the position of the hook 222 remains fixed. At this time, the shot blasting machine 110 in the cleaning chamber 100 blasts the workpiece, on the side of the workpiece. After shot blasting for a period of time, by making the two driving servo motors 121 rotate in the same direction, the two rotating chains 122 cooperate with the docking sprocket 223, which can drive the docking sprocket 223 to rotate around its axis, so that the shot blasting machine 110 pairs The other side of the workpiece is processed. After the workpiece is processed, the traveling assembly 221 and the two revolving chains 122 together move the hanging hook assembly 220 to the outside of the cleaning chamber 100 .

Since there are two feeding rails 230, the shot blasting machine can complete the clamping of the next workpiece within the time that the shot blasting machine processes one workpiece, which solves the problem that the shot blasting machine needs to wait until the previous workpiece when clamping the next workpiece. The problem after the workpiece is discharged from the cabin and unloaded greatly improves the work efficiency.

The lower part of the cleaning chamber 100 is provided with a pellet recovery hopper, the feed end of the elevator assembly 300 is communicated with the pellet recovery hopper through a screw feeding device, and the discharge end of the elevator assembly 300 is communicated with the inlet end of the pellet separation assembly 400, The pellet outlet of the shot and slag separation assembly 400 is communicated with the feed end of the shot blasting device 110 through the shot supply valve, and the dust outlet of the shot and slag separation assembly 400 is communicated with the inlet end of the settler 600. The inlet end of the cyclone separator 700 is communicated, and the dust outlet of the cyclone separator 700 is communicated with the inlet end of the water dust removal assembly 500 .

After the pellets thrown by the shot blasting machine 110 are bombarded, they fall into the pellet recovery hopper at the lower part of the cleaning chamber 100 together with the dust and debris, and are transported to the feed end of the elevator assembly 300 by the screw feeding device. It is lifted to the upper part of the elevator assembly 300, and falls into the pellet slag separator from the discharge end of the elevator assembly 300. After the pellets and dust and waste enter the pellet slag separator, they are separated by gravity. The separated pellets The pellets are resupplied to the feed end of the shot blasting device 110 after passing through the shot supply valve of the shot slag separator to realize the recycling of the pellets, and the separated dust and debris enter the settler from the dust outlet of the shot slag separator. In 600, a small amount of pellets is mixed with the dust and waste entering the settler 600 at this time, the settler 600 uses gravity to settle the pellets, and the dust and waste enter the cyclone separator 700, and is used in the cyclone separator 700. The distance of the vortex air flow in the aerodynamics makes secondary sedimentation of the pellets that may still be mixed in the dust and waste to ensure that the pellets are all separated. The separated pellets are stored at the bottom of the cyclone separator 700, while the dust waste The chips then enter the water dust removal assembly 500 to realize gas dust removal.

The present embodiment also provides an application method of a hook suspension type shot blasting machine, comprising the following steps:

S1: Hoist the workpiece to be processed on the hanging hook assembly on any feeding rail, and connect the feeding rail with the feeding rail through the track changing device, and then the hanging hook assembly drives the workpiece to move to the cleaning room;

S2: When the hanging hook assembly drives the workpiece to move to the cleaning room, the docking sprocket on the hook is docked with the two rotating chains at the same time. At this time, the two driving servo motors are turned on at the same time, and the rotation of the two driving servo motors In the opposite direction, the two rotating chains and the walking components together drive the workpiece to move to the interior of the cleaning room;

S3: After the workpiece moves to the predetermined station, the walking assembly and the two drive servo motors temporarily stop running to fix the position of the workpiece, and then start the shot blasting machine to blast the workpiece;

S4: After finishing the treatment on the side of the workpiece facing the shot blasting machine, start the two drive servo motors at the same time, and make the two drive servo motors rotate in the same direction, so that the two rotating chains cooperate to drive the docking sprocket to rotate around its axis, so that the The workpiece is rotated at a certain angle, so that the shot blasting machine can process the other side of the workpiece until the shot blasting treatment of the workpiece surface is completed;

S5: The traveling component cooperates with the two slewing chains to move the hanging hook component to the cleaning room, and at the same time, place the next workpiece to be processed on the hanging hook component of the other feeding track;

S6: The processed workpiece is removed, and at the same time, the next workpiece to be processed is transported into the cleaning chamber, and the above operations are repeated.

Therefore, in the present invention, the workpiece can be rotated in the cleaning chamber 100, which solves the problem that the traditional shot blasting machine can only process one side of the workpiece each time it enters the chamber, greatly improves the work efficiency, and drives the servo motor by adjusting the upper rotary device 120. The rotation direction of the 121 can make the upper turning device 120 play the role of moving the workpiece.

In addition to the above-mentioned embodiments, the present invention may also have other embodiments; all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides a lifting hook suspension type shot-blasting machine which characterized in that: the feeding rail frame assembly is used for conveying workpieces into the cleaning chamber;

the feeding track frame assembly comprises a feeding track and a hanging hook assembly arranged on the feeding track, one end of the feeding track extends to the upper part of the cleaning chamber, the hanging hook assembly comprises a walking assembly moving along the feeding track and a hook arranged below the walking assembly, the hook is rotatably arranged below the walking assembly around the axis of the hook, and a butt joint chain wheel is arranged on the hook;

the shot blasting machine is arranged in the cleaning chamber, the upper portion of the cleaning chamber is provided with an upper rotating device, the upper rotating device comprises two rotating chains symmetrically arranged on the left side and the right side of the feeding track and a driving servo motor driving the corresponding rotating chains, the rotating chains are matched with the butt joint chain wheels, the walking assembly can move along the feeding track, and the butt joint chain wheels are in butt joint with the two rotating chains simultaneously.

2. The hook-suspended blasting machine of claim 1, wherein: the feeding track frame assembly further comprises two feeding tracks and a track changing device, and any one feeding track is connected with the feeding track through the track changing device.

3. The hook-suspended blasting machine of claim 1, wherein: and an electric hoist for driving the lifting hook to lift is arranged below the walking assembly.

4. A hook-suspended blasting machine according to any one of claims 1 to 3, wherein: the shot-blast cleaning device is characterized by further comprising a lifting machine assembly, a shot-slag separation assembly and a water dust removal assembly, wherein a shot recovery hopper is arranged at the lower part of the cleaning chamber, a feeding end of the lifting machine assembly is communicated with the shot recovery hopper through a spiral feeding device, a discharging end of the lifting machine assembly is communicated with an inlet end of the shot-slag separation assembly, a shot outlet of the shot-slag separation assembly is communicated with a feeding end of the shot blasting device through a shot supply valve, and a dust outlet of the shot-slag separation assembly is communicated with an inlet end of the water dust removal assembly.

5. The hook-suspended blasting machine of claim 4, wherein: the device also comprises a settler, wherein the inlet end of the settler is communicated with the dust outlet of the pellet and slag separation component, and the dust outlet of the settler is communicated with the inlet end of the water dust removal component.

6. The hook-suspended blasting machine of claim 5, wherein: the dust collector further comprises a cyclone separator, wherein the inlet end of the cyclone separator is communicated with the dust outlet of the settler, and the dust outlet of the cyclone separator is communicated with the inlet end of the water dust removal component.

7. The application method of the hook-suspended shot blasting machine based on claim 6 is characterized by comprising the following steps:

step 1, hoisting a workpiece to be processed on a suspension hook assembly on any feeding rail, butting the feeding rail with a feeding rail through a rail changing device, and driving the workpiece to move towards a cleaning chamber by the suspension hook assembly;

step 2, when the hanging hook assembly drives the workpiece to move to just enter the cleaning chamber, the butt-joint chain wheel on the hook is in butt joint with the two rotary chains at the same time, at the moment, the two driving servo motors are started at the same time, the rotating directions of the two driving servo motors are opposite, and the two rotary chains and the walking assembly drive the workpiece to move towards the inside of the cleaning chamber;

step 3, after the workpiece moves to a preset station, the traveling assembly and the two driving servo motors stop running temporarily to fix the position of the workpiece, and then the impeller head is started to perform impeller blasting on the workpiece;

step 4, after one side of the workpiece facing the shot blasting machine is processed, two driving servo motors are started simultaneously and rotate in the same direction, two rotary chains are matched to drive the butt joint chain wheel to rotate around the axis of the butt joint chain wheel, the workpiece rotates for a certain angle, and the shot blasting machine processes the other side face of the workpiece until the shot blasting processing on the surface of the workpiece is completed;

step 5, the walking assembly is matched with the two rotary chains, the suspension hook assembly is moved out of the cleaning chamber, and meanwhile, the next workpiece to be processed is placed on the suspension hook assembly of the other feeding rail;

and 6, taking down the processed workpiece, simultaneously conveying the next workpiece to be processed into the cleaning chamber, and repeating the steps 1-6.

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