CN112959225A - Shot blasting derusting machine for passenger car frame - Google Patents
Shot blasting derusting machine for passenger car frame Download PDFInfo
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- CN112959225A CN112959225A CN202110191672.5A CN202110191672A CN112959225A CN 112959225 A CN112959225 A CN 112959225A CN 202110191672 A CN202110191672 A CN 202110191672A CN 112959225 A CN112959225 A CN 112959225A
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- 238000005422 blasting Methods 0.000 title claims abstract description 111
- 238000004140 cleaning Methods 0.000 claims abstract description 63
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 92
- 239000006187 pill Substances 0.000 claims description 32
- 239000004576 sand Substances 0.000 claims description 28
- 238000000926 separation method Methods 0.000 claims description 14
- 238000007664 blowing Methods 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000008188 pellet Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910001208 Crucible steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0092—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed by mechanical means, e.g. by screw conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a shot blasting rust remover, and belongs to the technical field of frame cleaning equipment. The invention provides a shot blasting rust remover for a passenger car framework, which aims to solve the problem that the existing shot blasting rust remover is not suitable for large passenger car frameworks. The invention is suitable for cleaning the surfaces of large and medium-sized castings, shortens the cleaning time, saves the working area of a workshop and improves the productivity.
Description
Technical Field
The invention belongs to the technical field of frame cleaning equipment, and particularly relates to a shot blasting rust remover.
Background
The shot blasting technology is one of the advanced processes for cleaning, strengthening, finishing and deburring the surfaces of various machine parts internationally at present. The main principle of the method is that compressed air is abandoned as power, steel shots thrown out at high speed are made to impact the surface of a workpiece by utilizing the action of centrifugal force, so that the surface of the workpiece obtains certain cleanliness and different roughness, 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 is prolonged, the leveling and decoration of a coating are facilitated, impurities, mixed colors and an oxide layer on the surface are removed, the surface of a medium is coarsened, the residual stress of the workpiece is eliminated, and the surface hardness of a base material is improved.
Therefore, in the process of cleaning the surface of the train frame, the shot blasting technology is also used, and the surface of the train frame is subjected to rust removal treatment through the shot blasting technology. However, the method is generally suitable for domestic trains with smaller frameworks, and currently, a shot blasting deruster suitable for international special trains and the like with larger frameworks than domestic trains is lacked.
Disclosure of Invention
In order to solve the problem that the existing shot blasting deruster is not suitable for a large bus framework, the invention provides a shot blasting deruster for the bus framework.
The technical scheme of the invention is as follows:
a shot blasting deruster for a passenger car framework comprises: the shot blasting cleaning device comprises a shot blasting cleaning chamber, a shot blasting device assembly, a bottom spiral conveyor, a bucket elevator, a shot blasting device separator, a trolley, a dust removal system and a foundation, wherein the shot blasting cleaning chamber is arranged right above the ground, the trolley enters and exits the shot blasting cleaning chamber along a guide rail, the termination position of the trolley in the shot blasting cleaning chamber is the center of the shot blasting cleaning chamber, the trolley can rotate at the termination position, the bottom spiral conveyor is arranged at the bottom of the foundation, the bottom spiral conveyor is connected with the bottom of the shot blasting cleaning chamber through a material collecting hopper in the foundation, the shot blasting device separator is arranged above the shot blasting cleaning chamber, one end of the shot sand separator is connected with the bottom spiral conveyor through the bucket elevator, the other end of the shot sand separator is connected with the shot blasting device assembly through a shot conveying pipe, the shot blasting device assembly comprises a plurality of shot blasting devices, each shot blasting device corresponds to one shot conveying pipe, each shot blasting device is arranged on the side wall of the shot blasting cleaning chamber, the shot blasting direction of the shot blasting device faces to the termination position of the trolley in the shot blasting cleaning chamber, the dust removal system is fixed on the fixed plane, and the air inlet end of the dust removal system passes through the pipeline and the inside of the shot blasting cleaning chamber.
Preferably, the dust removing system includes: shot deposit room, inertial dust collector, filter cartridge formula dust remover and dust exhausting fan, dust pelletizing system's air inlet and shot blast cleaning room are connected, and shot deposit room, inertial dust collector and filter cartridge formula dust remover connect gradually along the direction of admitting air, dust exhausting fan is connected with filter cartridge formula dust remover, and dust exhausting fan is to the blowback in the filter cartridge formula dust remover.
Preferably, a main projection area of the shot blasting cleaning chamber is lined with a wear-resistant protection plate, and the gate is provided with a wear-resistant rubber plate for protection.
Preferably, the bottom screw conveyor comprises: the bottom screw conveyer comprises a bottom screw conveyer motor, a bottom screw conveyer screw shaft and a housing, wherein two ends of the bottom screw conveyer screw shaft are respectively connected with the bottom screw conveyer motor and the interior of a bucket elevator, and the housing is arranged outside the bottom screw conveyer motor and the bottom screw conveyer screw shaft.
Preferably, the shot separator includes: the separator comprises a separator conveying device, a rotary screen, an inner spiral sheet, an outer spiral sheet, a separator spiral shaft, a separation area, a pill bin and a pill gate, wherein a slag discharge port is arranged at the bottom of the rotary screen, the separator conveying device is installed on the outer wall of the rotary screen, one end of the separator spiral shaft is connected with the inside of a bucket elevator, the other end of the separator spiral shaft penetrates through the rotary screen and is connected with the separator conveying device, the inner spiral sheet and the outer spiral sheet are arranged in the rotary screen, the lower end of the rotary screen is sequentially connected with the separation area and the pill bin in a communicating mode, a plurality of pill outlets are arranged at the bottom of the pill bin, and each pill outlet is provided with a pill valve for controlling the pill outlet amount.
Preferably, a vertical adjusting plate and a horizontal plate are arranged in the separation area of the shot-sand separator, and the height and the track of the material distribution layer in the separation area can be adjusted by adjusting a seam between the vertical adjusting plate and the horizontal plate.
Preferably, the bucket elevator includes: the upper end of the conveying rubber belt is connected with a separator spiral shaft of the shot-sand separator through the elevator roller, the lower end of the conveying rubber belt is connected with a bottom spiral conveyor spiral shaft of a bottom spiral conveyor through the elevator roller, the hopper is fixedly installed on the conveying rubber belt and moves up and down along with the conveying rubber belt, and the housing is arranged on the outer sides of the elevator motor, the elevator roller, the conveying rubber belt and the hopper.
Preferably, the bucket elevator further comprises a tensioning device, the tensioning device is arranged at the upper part of the bucket elevator and is connected with the conveying rubber belt through a plurality of adjusting bolts, and when the conveying rubber belt is loosened, the adjusting bolts at two sides of the conveying rubber belt are fastened to tension the conveying rubber belt.
Preferably, the cart includes: the steel casting protection plate is arranged outside the tug, the rotary table, the driving device and the walking wheels to form a fully-closed structure.
Preferably, a plurality of access doors are arranged on the cover shell of the bucket elevator.
The invention has the beneficial effects that:
1. the invention uses the impeller head with large impeller blasting amount and high-speed rotation to accelerate the iron shot and the steel shot to the speed of about 73m/s to be thrown on the casting, so as to carry out the surface cleaning of the workpiece, and the inner cavity which can not be cleaned is supplemented and cleaned by the spray gun, thus being suitable for the surface cleaning of large and medium castings such as international train frameworks of two-link combined-transport repair workshops of a Jiening vehicle section of the Hao railway bureau. The cleaning process is simplified, the cleaning time is shortened, the working area of a workshop is saved, the productivity is improved, the labor condition is improved, the labor intensity is reduced, and the like.
2. The impeller head adopts the high-efficiency centrifugal double-disc linear blade impeller head, and has the advantages of attractive appearance, convenience in manufacturing and maintenance, low noise, high efficiency and the like. The impeller head is convenient and quick to assemble and disassemble, the blades are inserted from the impeller body, and the blades are fixed under the action of centrifugal force without any fixing clamp during working. When the blades are disassembled, the blades can be disassembled only by slightly striking the outer ends of the blades with a hammer, and the disassembling of eight blades is only required for 10-20 minutes. The abrasion of the pill separating wheel and the orientation sleeve can be checked while the blades are assembled and disassembled. The main shaft seat of the impeller head is directly connected with the housing, so that the impeller head can be quickly and integrally replaced during maintenance, and the impeller head is particularly suitable for cleaning equipment for continuous production. The single disc is made of wear-resistant materials, and high dynamic balance is kept during working; the shot accelerating and protecting parts are made of special wear-resistant cast iron, so that the service life can be ensured; the pill distributing wheel rotating synchronously with the blades ensures that the initial acceleration generated by the pills is transmitted to the blades without vibration, thereby reducing the abrasion to the blades. When the device works, the shot flows into the shot blasting device through the shot inlet pipe, the shot distributing wheel synchronously rotating with the blades enables the shot to obtain an initial speed, the shot flies out through the window of the directional sleeve, is thrown onto the blades rotating at a high speed outside the directional sleeve, and is further accelerated by the blades and then is thrown onto the surface of a cleaned workpiece.
3. The invention adopts a settling chamber, a cyclone dust collector and a filter cylinder type dust collector to further reduce the dust emission concentration. The dust emission meets the GB16297-96 standard, the dust overflow phenomenon is avoided in the operation of the equipment by calculating the selected air draft volume, the dust concentration of a working site is less than 5mg/m3, the dust removal efficiency is more than 99.5%, and the emission concentration is less than 20mg/m 3. The primary dust removal is a pellet settling chamber designed at the top of the equipment. The settling chamber is an inertial settling chamber which accords with the aerodynamic principle, can realize effective settling of the projectile, and cannot generate pressure loss. And a one-way valve for preventing the formation of pneumatic transmission is designed at the lower part of the settling chamber, so that the pellet settling can be effectively realized. The purpose of the dust removal is to solve the problem of sand absorption and accumulation of the pipeline; the secondary dust removal is inertial dust removal. The purpose of this stage of dust removal is to settle larger particles and to increase the service life of the filter material (since dust particles that run at high speed are a major factor affecting the service life of the filter material of the dust remover); the three-stage dust removal is an economical and practical filter drum type dust remover which is tested for a long time. The pulse filter drum dust remover adopts a pulse back-blowing dust-cleaning system based on a Venturi principle, and has the advantages of low filtering air speed, high filtering precision, good dust-cleaning effect and the like. The filter cartridge dust remover can perform dust removal in various forms, including mechanical rapping, compressed air back blowing or high-pressure fan back blowing. The dust removal effect is better realized, the environment is protected, the workload of workers in cleaning equipment is reduced, the downtime is reduced, and the working efficiency of the shot blasting rust remover is improved.
4. The access door is arranged on the cover shell of the bucket elevator, so that the bucket can be maintained and replaced, and the access door arranged at the lower part of the bucket elevator can be used for maintaining the transmission of the lower part, so that the condition that the bottom of the bucket elevator is blocked by pills is avoided.
Drawings
FIG. 1 is a left side view of an assembly of a shot blasting rust remover for a passenger car frame;
FIG. 2 is a front view of the assembly of the shot blasting rust remover for the passenger car frame;
FIG. 3 is a top view of the assembly of the shot blasting rust remover for the passenger car frame;
FIG. 4 is a schematic structural view of a shot-sand separator;
in the figure: 1. a shot blasting chamber; 2. a shot blasting machine assembly; 2-1, a shot blasting machine; 3. a bottom screw conveyor; 3-1, a bottom screw conveyor motor; 3-2, a bottom screw conveyor screw shaft; 4. a bucket elevator; 4-1, a lifter motor, 4-2 and a tensioning device; 4-3, a hoister roller; 5. a pellet-sand separator; 5-1, a separator conveying device; 5-2, a drum screen; 5-3, inner spiral sheets; 5-4, external spiral sheet; 5-5, a separator screw shaft; 5-6, a separation zone; 5-7, a vertical adjusting plate; 5-8, horizontal plate; 5-9, a pill bin; 5-10, a spring valve gate; 5-11, a slag discharge port; 6. a trolley; 6-1, steel guard plate; 6-2, a tug; 6-3, rotating the table; 6-4 parts of a driving device and 6-5 parts of a travelling wheel; 7. a dust removal system; 7-1, a pellet settling chamber; 7-2, an inertial dust collector; 7-3 parts of a filter drum type dust remover, 7-4 parts of a dust removing fan; 8. a foundation; 9. a collection hopper; 10. a guide rail; 11. a cable winding device; 12. a cable; 13. a pill conveying pipe.
Detailed Description
The technical solutions of the present invention are further described below with reference to the following examples, but the present invention is not limited thereto, and any modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Example 1
A shot blasting deruster for a passenger car framework comprises: the shot blasting cleaning device comprises a shot blasting cleaning chamber 1, a shot blasting device assembly 2, a bottom spiral conveyor 3, a bucket elevator 4, a shot sand separator 5, a trolley 6, a dust removal system 7 and a foundation 8, wherein the shot blasting cleaning chamber 1 is arranged right above the foundation 8, the trolley 6 enters and exits the shot blasting cleaning chamber 1 through a guide rail 10, the termination position of the trolley 6 in the shot blasting cleaning chamber 1 is the center of the shot blasting cleaning chamber 1, the trolley 6 can rotate at the termination position, the bottom spiral conveyor 3 is arranged at the bottom of the foundation 8, the bottom spiral conveyor 3 is connected with the bottom of the shot blasting cleaning chamber 1 through a material collection hopper 9 in the foundation 8, the shot sand separator 5 is arranged above the shot blasting cleaning chamber 1, one end of the shot sand separator 5 is connected with the shot elevator 4, the other end of the shot sand separator 5 is connected with the shot blasting device assembly 2, the shot blasting device assembly 2 comprises a plurality of shot blasting devices 2-1, each shot blasting device 2-1 is arranged on the side wall of the shot blasting cleaning chamber 1, the shot blasting direction of each shot blasting device 2-1 faces to the termination position of the trolley 6 in the shot blasting cleaning chamber 1, one end of the dust removal system 7 is connected with the inside of the shot blasting cleaning chamber 1, and the other end of the dust removal system 7 is fixed on a fixed plane, as shown in fig. 1, 2 and 3.
The international train frame of a two-connection united-operation repair workshop of a centralized vehicle section of a clearing call and a Haote railway bureau is taken as an example.
Firstly, the structure and specification of each part:
1. shot blasting cleaning chamber 1
The shot blasting cleaning chamber 1 is formed by welding steel plates, a main projection area of the shot blasting cleaning chamber 1 is lined with a wear-resistant protection plate, and a gate is provided with a wear-resistant rubber plate for protection, so that the using effect of the whole machine is ensured. The placing position of the shot blasting machine is simulated by a computer, so that the projecting angle of the shot blasting machine tends to be more reasonable, and a better cleaning effect can be achieved.
Overall dimensions of the rust removal equipment (length × width × height): 6700mm × 6700mm × 2700 mm;
maximum size of shot-blasting workpiece (length × width × height): 4670mm × 3270mm × 1000 mm.
2. Impeller head assembly 2
The machine adopts a high-efficiency centrifugal double-disc linear blade impeller head (Q034 series national standard universal type), and has the advantages of attractive appearance, convenience in manufacturing and maintenance, low noise, high efficiency and the like. The impeller head is convenient and quick to assemble and disassemble, and the blades are inserted from the impeller body. When the blade fixing device works, the blade is fixed under the action of centrifugal force without any fixing clamp. When the blades are disassembled, the blades can be disassembled only by slightly striking the outer ends of the blades with a hammer, and the disassembling of eight blades is only required for 10-20 minutes. The abrasion of the pill separating wheel and the orientation sleeve can be checked while the blades are assembled and disassembled. The main shaft seat of the impeller head is directly connected with the housing, so that the impeller head can be quickly and integrally replaced during maintenance, and the impeller head is particularly suitable for cleaning equipment for continuous production. The single disc is made of wear-resistant materials, and high dynamic balance is kept during working. The accelerating and protecting parts of the projectile are made of special wear-resistant cast iron, and the service life can be ensured. The pill distributing wheel rotating synchronously with the blades ensures that the initial acceleration generated by the pills is transmitted to the blades without vibration, thereby reducing the abrasion to the blades.
When the device works, the shot flows into the shot blasting device through the shot inlet pipe, the shot distributing wheel synchronously rotating with the blades enables the shot to obtain an initial speed, the shot flies out through the window of the directional sleeve, is thrown onto the blades rotating at a high speed outside the directional sleeve, and is further accelerated by the blades and then is thrown onto the surface of a cleaned workpiece.
(1) A number of 5 of the plurality of units;
(2) the diameter of the impeller
(3) A motor-15 KW;
(4) the impeller revolution is 2900 r/min;
(5) and shot blasting amount of 250 kg/min.
3. Bottom screw conveyor 3
The bottom screw conveyor 3 comprises a bottom screw conveyor motor 3-1, a bottom screw conveyor screw shaft 3-2 and a housing 3-3. The two ends of the bottom screw conveyor screw shaft 3-2 are respectively connected with the bottom screw conveyor motor 3-1 and the bucket elevator 4, the housing 3-3 is arranged outside the bottom screw conveyor motor 3-1 and the bottom screw conveyor screw shaft 3-2, and the shot and sand mixture flowing from the collecting hopper 9 at the bottom of the shot blasting cleaning chamber 1 is sent to the elevator through the bottom screw conveyor screw shaft 3-2 driven by the bottom screw conveyor motor 3-1.
(1) Producing a production rate of 90 t/h;
(2) and a speed reducing motor XWD 5.5-5-1/35-5.5 KW.
4. Bucket elevator 4
The bucket elevator 4 includes: a lifter motor 4-1, a lifter roller 4-3, a conveying rubber belt, a hopper, a housing and a tensioning device 4-2, wherein the lifter motor 4-1 adopts a cycloidal pinwheel speed reducer,
the two ends of the conveying rubber belt are respectively connected with a separator spiral shaft 5-5 of the shot-sand separator 5 and a bottom spiral conveyor spiral shaft 3-2 of the bottom spiral conveyor 3, the hopper is fixedly installed on the conveying rubber belt and moves up and down along with the conveying rubber belt, a feed inlet of the bucket elevator 4 is connected with the bottom spiral conveyor 3 through an elevator roller 4-3, a discharge outlet of the bucket elevator is connected with the shot-sand separator 5 through the elevator roller 4-3, the tensioning device 4-2 is arranged on the upper portion of the bucket elevator 4, the tensioning device 4-2 is connected with the conveying rubber belt through a plurality of adjusting bolts, and when the conveying rubber belt is loosened, the tensioning conveying rubber belt is tensioned through fastening the adjusting bolts on the two sides of the conveying rubber belt.
The elevator housing adopts a welding structure, and has beautiful appearance and good rigidity. The elevator housing is provided with an access door, so that the hopper can be maintained and replaced. The lower transmission can be maintained by opening the door cover on the lower cover shell, and the blockage of the bottom shot can be eliminated.
The machine adopts a flat belt to rotate. When the ball separator works, the material hopper fixed on the conveying rubber belt scrapes the ball material at the bottom of the lifter, then the ball material is conveyed to the top of the lifter under the driving of the motor 4 of the lifter, and finally the ball material is discharged by a centrifugal gravity mode and is input into the ball sand separator. In order to ensure that the conveying rubber belt does not deviate in work, the lifting machine roller 4-3 is made into a medium-convex type, so that the friction force between the lifting rubber belt and the belt wheel is improved, the slipping deviation phenomenon of an old belt wheel is avoided, the pre-tightening force of the lifting belt is reduced, and the service life of the lifting rubber belt is prolonged. Meanwhile, the elevator is provided with a set of tensioning device 4-2, when the belt is slack, the belt should be tensioned by adjusting the adjusting bolts on the two sides of the upper part of the elevator, and the adjusting range is 100 mm.
(1) Producing a production rate of 90 t/h;
(2) and a speed reducer XWD 7.5-5-1/35-7.5 KW.
5. Pellet sand separator 5
The pellet sand separator 5 includes: 5-1 parts of a separator conveying device, 5-2 parts of a rotary screen, 5-3 parts of inner spiral sheets, 5-4 parts of outer spiral sheets, 5-5 parts of a separator spiral shaft, 5-6 parts of a separation zone, 5-7 parts of a vertical adjusting plate, 5-8 parts of a horizontal plate, 5-9 parts of a pill storage bin and 5-10 parts of a pill gate, 5-11 parts of a slag discharge port are arranged at the bottom of the rotary screen 5-2, the separator conveying device 5-1 is installed on the outer wall of the rotary screen 5-2, one end of the separator spiral shaft 5-5 is connected with the interior of a bucket elevator 4, the other end of the separator spiral shaft 5-5 penetrates through the rotary screen 5-2 to be connected with the separator conveying device 5-1, 5-3 parts of the inner spiral sheets and 5-4 parts of the outer spiral sheets are arranged in the rotary screen 5-2, the lower end of the rotary screen 5-, the bottom of the pill bin 5-9 is provided with a plurality of pill outlets, and each pill outlet is provided with a pill valve 5-10 for controlling the pill outlet amount. The pellet-sand mixture flowing in from the bucket elevator 4 is sent to the rotary screen 5-2 through the separator screw shaft 5-5 driven by the separator screw conveyer motor 5-1. The rotary screen 5-2 is provided with an inner spiral sheet and an outer spiral sheet, and when the rotary screen works, the inner spiral sheet 5-3 conveys large-particle impurities such as sand blocks to a slag discharge port 5-11 for discharge. At this time, the dust removal fan draws air through the air opening of the separator. The gravity winnowing principle is utilized to effectively separate the shot from metal oxide skin fragments, broken shot and dust, large-particle waste flows out from a shot overflow port of the separator, small shot and dust flow out from a waste outlet, and the shot enters a shot bin 5-9 for circulation.
The vertical adjusting plates 5-7 and the horizontal plates 5-8 are arranged in the separation area 5-6, the height and the track of the cloth layer can be improved by adjusting the seam between the vertical adjusting plates 5-7 and the horizontal plates 5-8, and a good separation effect can be obtained by matching with the adjustment baffle plate of the separation area, so that the separation efficiency can reach 99%.
(1) Separating capacity of 90 t/h;
(2) a speed reducing motor XWD 4-5-1/29-4 KW;
(3) and the wind speed of the separator is 4-5 m/s.
6. Trolley 6
The trolley 6 comprises a cast steel guard plate 6-1, a tug 6-2, a rotary table 6-3, a driving device 6-4 and a traveling wheel 6-5, wherein the driving device 6-4 controls the traveling wheel 6-5 to drive the rotary table 6-3 to move along a guide rail 10, and simultaneously can control the rotation of the rotary table 6-3, namely, the traveling of the trolley 6 is driven by a cycloidal pin gear reducer with a motor in the driving device 6-4, and the rotation driving of the trolley 6 is realized by the meshing of gear rings of a gear middle rotary table at the outer end of a worm gear reducer of the device 6-4; the tug 6-2 is arranged on the rotary table 6-3, and the cast steel guard plate 6-1 is arranged outside the tug 6-2, the rotary table 6-3, the driving device 6-4 and the travelling wheel 6-5 to form a totally closed structure. The shot can flow into the lower part of the vehicle through the holes of the cast steel guard plate 6-1 through the inclined grooves, the shot cannot be collected on the table top, and the outdoor scattering of the shot is reduced.
(1) A maximum load weight of 5 tons;
(2) the diameter of the trolley
(3) A trolley rotating speed of 2.01r/min (frequency conversion);
(4) a walking speed of 12.5m/min (frequency conversion);
(5) a rotary motor- -4 KW;
(6) and a walking speed reducer XWD 4-6-1/87-4 KW.
7. Dust removal system 7
To further reduce the dust emission concentration, the dust removal system 7 includes: the shot blasting cleaning system comprises a shot settling chamber 7-1, an inertial dust collector 7-2, a filter drum type dust collector 7-3 and a dust removal fan 7-4, wherein an air inlet of the dust removal system 7 is connected with the shot blasting cleaning chamber 1, the shot settling chamber 7-1, the inertial dust collector 7-2 and the filter drum type dust collector 7-3 are sequentially connected along the air inlet direction, the dust removal fan 7-4 is connected with the filter drum type dust collector 7-3, and the dust removal fan 7-4 performs back flushing to the interior of the filter drum type dust collector 7-3. The dust emission meets the GB16297-96 standard, the dust overflow phenomenon is avoided in the operation of the equipment by calculating the selected air draft volume, the dust concentration of a working site is less than 5mg/m3, the dust removal efficiency is more than 99.5%, and the emission concentration is less than 20mg/m 3.
The most advanced and reasonable three-stage dust removal mode and the unique and effective dust removal structure are selected:
the primary dust removal is a pellet settling chamber 7-1 designed at the top of the equipment. The settling chamber is an inertial settling chamber which accords with the aerodynamic principle, can realize effective settling of the projectile, and cannot generate pressure loss. And a one-way valve for preventing the formation of pneumatic transmission is designed at the lower part of the settling chamber, so that the pellet settling can be effectively realized. The purpose of this stage of dust removal is for the pipeline sand suction and accumulation problem.
The secondary dust removal is an inertial dust remover 7-2. The purpose of this stage of dust removal is to settle out larger particles and increase the life of the filter material (since dust particles that travel at high speed are a major factor in the life of the filter material of the dust separator).
The three-stage dust removal is an economical and practical filter drum type dust remover 7-3 which is tested for a long time. The pulse filter drum dust remover adopts a pulse back-blowing dust-cleaning system based on a Venturi principle, and has the advantages of low filtering air speed, high filtering precision, good dust-cleaning effect and the like. The filter cartridge dust remover can perform dust removal in various forms, including mechanical rapping, compressed air back blowing or high-pressure fan back blowing.
Wherein the specification of the filter cartridge type dust remover:
(1) a filtration area- -400m 2;
(2) air flow- -25000m 3/min;
(3) the main fan power is 30 KW.
8. Foundation 8
The foundation 8 is designed by the user according to the local soil property, water level condition and machine dead weight, and the thickness of the waterproof layer, concrete and reinforced concrete is designed by the user. The foundation framework, the reinforcing angle steel, the angle steel frame, the railing and the ground pin hook are all pre-embedded parts, and the ground pin hook and the pouring hole of the railing need to be reserved during civil engineering construction.
9. Shot dispensing system
One end of the shot conveying pipe 13 is connected with a shot outlet at the bottom of the shot bin 5-9, the other end of the shot conveying pipe is connected with the shot blasting device 2-1, the opening and closing of the shot gate 5-10 are controlled by a pneumatic control gate valve, and the stroke of the cylinder is adjusted to obtain the required shot blasting amount.
10. Cable winding device 11
The cable winder 11 is arranged outside the machine, and the motor of the drive 6-4 of the trolley 6 is connected to the cable winder 11 by a cable 12.
11. Total machine power- -about 132.2 KW.
II, principle:
a workpiece is placed on the trolley 6, the cable 12 is wound through the cable winding device 11 to drive the trolley 6 to advance through the cable 12, and after the trolley 6 enters the shot blasting cleaning chamber 1, shot is thrown onto a casting through the shot blasting device 2-1 which rotates at a high speed and is large in shot blasting amount to clean the surface of the casting. The cleaned shot and sand mixture enters a shot and sand separator 5 through a bottom screw conveyor 3 and a bucket elevator 4, so that shot, impurities and broken objects are separated, the separated shot enters a shot blasting device 2-1 through a distribution system for recycling, one part of the separated impurities and broken objects directly flow into a waste material area, the other part of the separated impurities and broken objects enter a dust removal system 7, a cyclone filter drum dust remover is used for isolating dust, purified air is discharged, and after the work is finished, a trolley 6 is pulled out manually, so that the trolley 6 is reset.
Claims (9)
1. The utility model provides a passenger train framework shot-blasting deruster which characterized in that includes: the shot blasting cleaning device comprises a shot blasting cleaning chamber (1), a shot blasting device assembly (2), a bottom spiral conveyor (3), a bucket elevator (4), a shot sand separator (5), a trolley (6), a dust removal system (7) and a foundation (8), wherein the shot blasting cleaning chamber (1) is arranged right above the foundation (8), the trolley (6) enters and exits the shot blasting cleaning chamber (1) along a guide rail (10), the termination position of the trolley (6) in the shot blasting cleaning chamber (1) is the center of the shot blasting cleaning chamber (1), the trolley (6) can rotate at the termination position, the bottom spiral conveyor (3) is arranged at the bottom of the foundation (8), the bottom spiral conveyor (3) is connected with the bottom of the shot blasting cleaning chamber (1) through a collecting hopper (9) in the foundation (8), the shot sand separator (5) is arranged above the shot blasting cleaning chamber (1), one end of the shot sand separator (5) is connected with the bottom spiral conveyor (3) through the elevator (4), the other end of the shot and sand separator (5) is connected with the shot blasting device assembly (2) through a shot conveying pipe (13), the shot blasting device assembly (2) comprises a plurality of shot blasting devices (2-1), each shot blasting device (2-1) corresponds to one shot conveying pipe (13), each shot blasting device (2-1) is arranged on the side wall of the shot blasting cleaning chamber (1), the shot blasting direction of each shot blasting device (2-1) faces to the termination position of the trolley (6) in the shot blasting cleaning chamber (1), and the dust removal system (7) is fixed on a fixed plane and the air inlet end of the dust removal system passes through the pipeline and the inside of the shot blasting cleaning chamber (1).
2. The passenger car frame shot-blasting machine as claimed in claim 1, characterized in that said dust-removal system (7) comprises: the shot blasting cleaning system comprises a shot settling chamber (7-1), an inertial dust collector (7-2), a filter drum type dust collector (7-3) and a dust removing fan (7-4), wherein an air inlet of the dust removing system (7) is connected with the shot blasting cleaning chamber (1), the shot settling chamber (7-1), the inertial dust collector (7-2) and the filter drum type dust collector (7-3) are sequentially connected along the air inlet direction, the dust removing fan (7-4) is connected with the filter drum type dust collector (7-3), and the dust removing fan (7-4) performs back blowing in the filter drum type dust collector (7-3).
3. The passenger car frame shot blasting and rust removing machine as claimed in claim 2, wherein the main projection area of the shot blasting cleaning chamber (1) is lined with a wear-resistant protection plate, and a gate is provided with a wear-resistant rubber plate protection.
4. The passenger car frame shot-blasting machine as claimed in claim 2 or 3, characterized in that said bottom screw conveyor (3) comprises: the device comprises a bottom screw conveyor motor (3-1), a bottom screw conveyor screw shaft (3-2) and a housing (3-3), wherein two ends of the bottom screw conveyor screw shaft (3-2) are respectively connected with the bottom screw conveyor motor (3-1) and the interior of a bucket elevator (4), and the housing (3-3) is arranged outside the bottom screw conveyor motor (3-1) and the bottom screw conveyor screw shaft (3-2).
5. The passenger car frame shot blasting machine as claimed in claim 4, wherein the shot separator (5) comprises: the separator comprises a separator conveying device (5-1), a rotary screen (5-2), inner spiral sheets (5-3), outer spiral sheets (5-4), a separator spiral shaft (5-5), a separation area (5-6), a pill bin (5-9) and a pill gate (5-10), wherein a slag discharge port (5-11) is arranged at the bottom of the rotary screen (5-2), the separator conveying device (5-1) is installed on the outer wall of the rotary screen (5-2), one end of the separator spiral shaft (5-5) is connected with the inside of a bucket elevator (4), the other end of the separator spiral shaft (5-5) penetrates through the rotary screen (5-2) and is connected with the separator conveying device (5-1), the inner spiral sheets (5-3) and the outer spiral sheets (5-4) are arranged in the rotary screen (5-2), the lower end of the drum screen (5-2) is sequentially communicated and connected with a separation area (5-6) and a pill bin (5-9), a plurality of pill outlets are arranged at the bottom of the pill bin (5-9), and each pill outlet is provided with a pill valve (5-10) for controlling pill outlet amount.
6. The shot blasting machine for passenger car frames as defined in claim 5, characterized in that vertical adjusting plates (5-7) and horizontal plates (5-8) are arranged in the separation zones (5-6) of the shot separator (5), and the height and trajectory of the cloth layer in the separation zones (5-6) can be adjusted by adjusting the gaps between the vertical adjusting plates (5-7) and the horizontal plates (5-8).
7. The passenger car frame shot-blasting machine as claimed in claim 6, wherein the bucket elevator (4) comprises: the automatic ball sand separator is characterized by comprising a lifting machine motor (4-1), a lifting machine roller (4-3), a conveying rubber belt, a hopper and a housing, wherein the upper end of the conveying rubber belt is connected with a separator spiral shaft (5-5) of a ball sand separator (5) through the lifting machine roller (4-3), the lower end of the conveying rubber belt is connected with a bottom spiral conveyor spiral shaft (3-2) of the bottom spiral conveyor (3) through the lifting machine roller (4-3), the hopper is fixedly installed on the conveying rubber belt and moves up and down along with the conveying rubber belt, and the housing is arranged on the outer sides of the lifting machine motor (4-1), the lifting machine roller (4-3), the conveying rubber belt and the hopper.
8. The passenger car frame shot blasting machine as claimed in claim 7, wherein the bucket elevator (4) further comprises a tensioning device (4-2), the tensioning device (4-2) is arranged at the upper part of the bucket elevator (4), the tensioning device (4-2) is connected with the conveying rubber belt through a plurality of adjusting bolts, and when the conveying rubber belt is loosened, the tensioning of the conveying rubber belt is realized by fastening the adjusting bolts at two sides of the conveying rubber belt.
9. The passenger car frame shot-blasting and rust-removing machine as claimed in claim 8, characterized in that a plurality of access doors are arranged on the cover of the bucket elevator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110191672.5A CN112959225A (en) | 2021-02-19 | 2021-02-19 | Shot blasting derusting machine for passenger car frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110191672.5A CN112959225A (en) | 2021-02-19 | 2021-02-19 | Shot blasting derusting machine for passenger car frame |
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| CN112959225A true CN112959225A (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110191672.5A Pending CN112959225A (en) | 2021-02-19 | 2021-02-19 | Shot blasting derusting machine for passenger car frame |
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| CN (1) | CN112959225A (en) |
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Application publication date: 20210615 |