CN115771071A - Door surface grinding device for civil air defense door production - Google Patents
Door surface grinding device for civil air defense door production Download PDFInfo
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- CN115771071A CN115771071A CN202310091532.XA CN202310091532A CN115771071A CN 115771071 A CN115771071 A CN 115771071A CN 202310091532 A CN202310091532 A CN 202310091532A CN 115771071 A CN115771071 A CN 115771071A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention belongs to the technical field of grinding devices, and particularly relates to a door surface grinding device for civil air defense door production, which comprises a base, wherein guide rails are symmetrically arranged on the base, a sliding seat is arranged on the guide rails in a sliding manner, a grinding roller is arranged on the sliding seat, a placing plate is arranged on the base, and the grinding roller is positioned above the placing plate; the polishing roller comprises a rotating shaft, a polishing motor is arranged on the sliding seat, and the polishing motor drives the rotating shaft to rotate; the rotating shaft is provided with an elastic layer, the elastic layer is provided with a bracket, and the bracket is provided with a grinding wheel; the door plate grinding device is simple in structure, can reduce impact between the grinding roller and the door plate during grinding, protects the grinding device to a certain degree, and improves the grinding quality of the door plate and the collection effect of metal dust generated by grinding.
Description
Technical Field
The invention belongs to the technical field of grinding devices, and particularly relates to a door surface grinding device for civil air defense door production.
Background
People's air defense is also called civil defense, which is an activity that governments and organizes the masses, takes measures of preventing air attack, resisting disaster and relieving disaster, implements rescue action, and prevents and lightens the harm of the disaster. The civil air defense door is a door of an entrance and an exit of civil protection engineering, and belongs to civil air defense protection equipment.
The civil air defense door needs to be polished on the door surface before the fireproof and anticorrosive material is sprayed on the civil air defense door, so that the follow-up sprayed material can be better attached to the door surface.
The existing grinding device is in hard contact with a door panel when grinding, so that the grinding head is easily subjected to larger impact on the grinding device and the condition of over grinding on the door panel due to instantaneous friction between the grinding head and the door panel when grinding is started and finished.
Disclosure of Invention
The invention provides a door surface grinding device for civil air defense door production, which aims to make up for the defects of the prior art, reduce the impact between a grinding roller and a door panel during grinding, protect a grinding device to a certain extent, and improve the quality of the grinded door panel and the collection effect of metal dust generated by grinding.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a shop front grinding device for civil air defense door production, which comprises a base, wherein guide rails are symmetrically arranged on the base, a sliding seat is arranged on the guide rails in a sliding manner, a grinding roller is arranged on the sliding seat, a placing plate is arranged on the base, and the grinding roller is positioned above the placing plate;
the polishing roller comprises a rotating shaft, a polishing motor is arranged on the sliding seat, and the polishing motor drives the rotating shaft to rotate;
the rotating shaft is provided with an elastic layer, the elastic layer is provided with a support, and the support is provided with a grinding wheel.
Preferably, the grinding roller consists of a plurality of groups of grinding wheels arranged on the rotating shaft.
Preferably, the support comprises an inner layer frame and an outer layer frame, the inner layer frame and the outer layer frame are mutually connected through a connecting plate, the grinding wheel is arranged on the outer layer frame, and the inner layer frame is arranged on the elastic layer;
the inner layer shelf is provided with a positioning nail, the lower end of the positioning nail is connected to the side wall of the rotating shaft, and a gap exists between the positioning nail and the side wall of the inner layer shelf.
Preferably, the grinding rollers are two groups, the rotation directions of the two groups of grinding rollers are opposite, the linear speed directions of the two groups of grinding rollers close to each other point to the direction far away from the base, and the grinding rollers are not in contact with each other.
Preferably, a cavity is formed in the rotating shaft, an air guide ring is mounted on the rotating shaft, a through hole is formed in the area, covered by the air guide ring, of the rotating shaft, an air pipe is mounted on the air guide ring, and the air pipe is connected to an external negative pressure fan;
a gap exists between every two adjacent grinding wheels, an air suction hole is formed in the rotating shaft and is located in the gap between the grinding wheels.
Preferably, the rotating shaft is provided with an air guide frame, the air guide frame is positioned in a gap between the grinding wheels, the air guide frame is hollow, and the outer side surface of the air guide frame is uniformly provided with ash cleaning holes;
the air guide frame is communicated with the cavity in the rotating shaft from the air exhaust hole.
Preferably, the sliding seat is provided with a protective plate, the protective plate is positioned right above the grinding roller, the protective plate is provided with spraying pipes, and the spraying pipes are positioned on the front side and the rear side of the grinding roller.
Preferably, the slide includes left slide and right slide, the spring is all installed at the both ends of pivot, the other end of the spring of pivot right-hand member is connected to right slide admittedly, the other end fixed mounting of the spring of pivot left end has the slider, install the wave board on the base, the wave board is located the left side of left slide, slider and wave board contact each other.
The invention has the following beneficial effects:
1. according to the door face grinding device for civil air defense door production, due to the arrangement of the rotating shaft, the elastic layer, the support and the grinding wheels, when a door plate is ground, different grinding wheels can move relatively within a certain range, so that the grinding effect of protrusions, residues or scraps on the surface of the door plate is improved, and the flatness of the ground door plate is ensured; meanwhile, the elasticity of the elastic layer is utilized to buffer and damp impact and vibration in the grinding wheel polishing process, so that the impact between the grinding wheel and the door plate is avoided, and the surface of the grinding wheel or the door plate is prevented from being damaged to influence subsequent normal use.
2. According to the door surface grinding device for civil air defense door production, the left sliding seat, the right sliding seat, the wave plate and the sliding head are arranged, so that the grinding roller can reciprocate left and right when grinding the door plate, the flatness of the ground door plate is improved, the effect of the ground door plate is ensured, and the follow-up coating and attachment of a fireproof protection material are facilitated.
3. According to the door surface grinding device for civil air defense door production, the air guide ring, the cavity, the air guide frame and the protection plate are arranged, so that the collection distance of metal dust generated by grinding is effectively shortened, the generated metal dust is intercepted from splashing, the collection effect of the metal dust is improved, and the metal dust is prevented from polluting the environment and threatening the health of workers.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the sharpening device according to the invention;
FIG. 2 is a partial cross-sectional view of the sharpening device according to the invention;
FIG. 3 is a front view of the left and right carriages of the present invention;
FIG. 4 is a schematic view of the structure of the grinding roller of the present invention;
FIG. 5 is a schematic view of the structure of the grinding wheel of the present invention;
FIG. 6 is a schematic view of the structure of the air guide frame of the present invention;
FIG. 7 is a front view of the shield of the present invention;
FIG. 8 is an enlarged view of a portion A of FIG. 2;
FIG. 9 is an enlarged view of a portion of FIG. 2 at B;
FIG. 10 is an enlarged view of a portion of FIG. 2 at C;
FIG. 11 is an enlarged view of a portion of FIG. 4 at D;
in the figure: the device comprises a base 1, a guide rail 2, a mounting screw 21, a driving motor 22, a left sliding seat 23, a right sliding seat 24, a polishing motor 241, a corrugated plate 25, a placing plate 3, an air hole 31, a polishing roller 4, a rotating shaft 41, a cavity 411, a through hole 412, an air guide ring 413, an air pipe 414, a sliding head 415, an elastic layer 42, a support 43, an outer layer frame 431, an inner layer frame 432, a connecting plate 433, a polishing wheel 44, an air guide frame 45, a positioning nail 46, a protective plate 5, a shower pipe 51 and a door plate 6.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 11, the door surface grinding device for civil air defense door production comprises a base 1, wherein guide rails 2 are symmetrically installed on the base 1, a sliding seat is installed on the guide rails 2 in a sliding manner, a grinding roller 4 is installed on the sliding seat, a placing plate 3 is installed on the base 1, and the grinding roller 4 is located above the placing plate 3;
the grinding roller 4 comprises a rotating shaft 41, a grinding motor 241 is mounted on the sliding seat, and the grinding motor 241 drives the rotating shaft 41 to rotate;
an elastic layer 42 is arranged on the rotating shaft 41, a bracket 43 is arranged on the elastic layer 42, and a grinding wheel 44 is arranged on the bracket 43;
when the door surface of the civil defense door is grinded, a worker puts a door sheet 6 to be processed on a placing plate 3 of a grinding device, then the worker starts the grinding device through a controller, a driving motor 22 installed on a guide rail 2 drives a sliding seat to slide along the guide rail 2, meanwhile, the controller can start a grinding motor 241 to drive a grinding roller 4 to rotate, the surface of the door sheet 6 is grinded, burrs and residues on the door surface are removed, the surface of the door sheet 6 is smooth, and a fireproof protective material which is beneficial to subsequent spraying can be better attached to the door surface;
in addition, the placing plate 3 is hollow and provided with air holes 31 on the surface, after the door panel 6 is placed on the placing plate 3, an external negative pressure fan is started under the control of the controller, so that negative pressure exists inside the placing plate 3 and at the air holes 31, the door panel 6 is sufficiently fixed, the door panel 6 is prevented from moving in the grinding process, in addition, the door panel 6 is placed on the elastic placing plate 3, under the self-weight action of the door panel 6, the lower surface of the door panel 6 can be sufficiently attached to the placing plate 3, and the effect of fixing the door panel 6 by the negative pressure is ensured;
meanwhile, a driving motor 22 is installed on the guide rail 2, a lead screw penetrating through a sliding seat is connected to an output shaft of the driving motor 22, after the driving motor 22 is started by a controller, the driving motor 22 drives the lead screw to rotate, so that the sliding seat gradually moves along the guide rail 2, meanwhile, in the moving process of the sliding seat, a grinding roller 4 driven by a grinding motor 241 contacts the surface of the door panel 6 to grind the surface of the door panel 6, meanwhile, the guide rail 2 is fixedly installed on the upper surface of the base 1 through an installation screw 21, when people polish the civil air defense doors of different sizes, a worker can manually rotate the installation screw 21 to enable the guide rail 2 fixed by the installation screw 21 to be lifted or lowered relative to the surface of the base 1, and therefore when the grinding roller 4 contacts the surface of the door panel 6, the grinding depth of the grinding roller 4 to the surface of the door panel 6 is just right, and when the thickness of the door panel 6 is prevented from being too thin or too thick, the grinding roller 4 cannot grind the surface of the door panel 6;
meanwhile, the grinding wheel 44 is mounted on the support 43 and is integrated with the support 43, so that the grinding wheel 44 is mounted on the elastic layer 42 on the rotating shaft 41 through the support 43 in the use process, and the grinding wheel 44 has a certain elastic change range when being in contact with the surface of the door panel 6 in the process of grinding the door panel 6 by the grinding roller 4, so that the grinding wheel 44 on the grinding roller 4 is prevented from being in forced contact with and extruding the surface of the door panel 6 to over-grind the surface of the door panel 6 or the grinding roller 4 collides with the surface of the door panel 6 when the surface flatness of the door panel 6 is poor, and the grinding device is damaged;
meanwhile, as the grinding wheel 44 is arranged on the elastic layer 42 through the support 43, when the grinding roller 4 is in contact with the door panel 6, the elastic layer 42 can be utilized to generate a certain buffering effect, so that the phenomenon that the grinding roller 4 excessively grinds the surface of the door panel 6 is avoided, or the phenomenon that the grinding roller 4 is in contact with the surface of the door panel 6 at the moment, the impact force between the grinding roller and the door panel is too large, so that the surface of the door panel 6 is damaged, and the painting and the adhesion of subsequent fireproof protection materials are influenced, meanwhile, due to the characteristic of the elastic layer 42, the grinding process of the grinding wheel 44 is buffered and damped by utilizing the elasticity of the elastic layer, so that the grinding wheel 44 is prevented from being greatly vibrated and impacted when being ground, and the grinding effect of the door panel 6 is ensured;
meanwhile, when the surface of the door plate 6 has the conditions of protruding bulges, attached residues, fragments and the like, the grinding roller 4 is enabled to bear relatively large pressure and resistance at the bulges, residues and fragments under the action of the elastic layer 42, and then the grinding effect of the grinding roller 4 at the corresponding position can be increased when the grinding roller rotates, so that the bulges, the residues and the fragments are ground off and smoothed, the position is enabled to be relatively the same with the height of the grinding roller 4 and other areas on the door plate 6, the flatness of the surface of the door plate 6 is improved, the follow-up painting and attachment of a fireproof protective material are facilitated, and the quality of a finished fireproof door is improved.
As an embodiment of the present invention, the grinding roller 4 is composed of a plurality of sets of grinding wheels 44 mounted on the rotating shaft 41;
because the width of the door panel 6 is relatively large, different defects exist at different positions on the door panel 6, for example, when the door panel 6 is provided with protrusions, residues, chips and the like with different heights at the same height along the width direction, if the grinding roller 4 is made of a single grinding wheel 44, the grinding roller 4 can only grind the protrusions, residues or chips with the highest relative heights during grinding, but the grinding of the rest protrusions, residues or chips with the lower relative heights can be insufficient, even the protrusions, residues or chips with the lower relative heights are not ground along with the movement of the sliding seat, the grinding effect of the door panel 6 is influenced, the time required by grinding the door panel 6 is prolonged, and the processing efficiency is reduced;
meanwhile, the grinding roller 4 is made of a plurality of groups of grinding wheels 44, so that relative movement in a direction vertical to the base 1 occurs between different grinding wheels 44 on the grinding roller 4, and the different grinding wheels 44 on the grinding roller 4 can fully contact and grind the bulges, residues or scraps with different relative heights at corresponding positions on the door panel 6, the planeness of the door panel 6 after grinding is improved as much as possible, and the effect of the door panel 6 after grinding is ensured;
meanwhile, due to the action of the guide rail 2 and the sliding seat, the rotating shaft 41 horizontally moves at a fixed height, and due to the fact that the thickness of the elastic layer 42 is determined, when the grinding wheel 44 is subjected to an external acting force, the deformation range of the elastic layer 42 is fixed, so that the grinding ranges of the grinding wheels 44 at different positions on the grinding roller 4 to the door panel 6 are the same, and after the grinding of the door panel 6 by the grinding wheels 44 are ensured, the surface of the door panel 6 is good in flatness, so that the moving ranges of the grinding wheels 44 are different, and after the grinding wheels 44 grind the surface of the door panel 6, the corresponding areas of the surface of the door panel 6 and the different grinding wheels 44 are uneven, and the quality and subsequent processing of the door panel 6 are seriously affected.
As an embodiment of the present invention, the bracket 43 includes an inner rack 432 and an outer rack 431, the inner rack 432 and the outer rack 431 are connected to each other by a connecting plate 433, the grinding wheel 44 is mounted on the outer rack 431, and the inner rack 432 is mounted on the elastic layer 42;
the inner-layer frame 432 is provided with a positioning nail 46, the lower end of the positioning nail 46 is connected to the side wall of the rotating shaft 41, and a gap is formed between the positioning nail 46 and the side wall of the inner-layer frame 432;
in the grinding process, the acting forces between the grinding wheel 44 and the projections, the residues or the scraps on the surface of the door panel 6 at different heights are different, and generally follow the rule that the higher the heights of the projections, the residues or the scraps are, the larger the acting force applied to the grinding wheel 44 is, meanwhile, as the grinding wheel 44 is directly fixed on the elastic layer 42 through the bracket 43, when the acting force applied to the grinding wheel 44 is too large, the bracket 43 and the elastic layer 42 are easy to relatively rotate, so that the grinding wheel 44 and the rotating shaft 41 relatively rotate, the grinding wheel 44 cannot normally work, the elastic layer 42 is torn, and the normal work of the grinding device is influenced;
meanwhile, the bracket 43 and the rotating shaft 41 are relatively fixed through the positioning nails 46 arranged on the inner-layer frame 432, so that when the grinding wheel 44 is subjected to an overlarge acting force, the acting force exceeding the bearing limit of the elastic layer 42 can be directly shared on the positioning nails 46 and transmitted to the rotating shaft 41 through the positioning nails 46, the grinding wheel 44 is ensured to synchronously rotate along with the rotating shaft 41 all the time, so that the relative rotation between the grinding wheel 44 and the elastic layer 42 and the tearing of the elastic layer 42 are avoided, and the normal rotation of the grinding wheel 44 and the grinding of the door panel 6 are ensured;
meanwhile, the positioning nail 46 penetrates through the elastic layer 42 from the inner layer rack 432 and then is inserted into the side wall of the rotating shaft 41, and the inner diameter of the hole formed on the inner layer rack 432 by the positioning nail 46 is larger than the diameter of the positioning nail 46, so that in the grinding process, when the grinding wheel 44 contacts the surface of the door panel 6 or protrudes, the grinding wheel 44 drives the elastic layer 42 to deform under the action of the acting force, and therefore, under the condition that the elastic layer 42 is intact, the grinding wheel 44 rotates relative to the rotating shaft 41 to a certain extent, when the grinding wheel 44 contacts the door panel 6 for the first time, the grinding wheel 44 is buffered and damped by the elastic layer 42, the impact on the grinding wheel 44 is reduced, and the surface damage of the grinding wheel 44 or the door panel 6 is avoided, and the subsequent use is influenced.
As an embodiment of the present invention, there are two groups of the grinding rollers 4, the rotation directions of the two groups of the grinding rollers 4 are opposite, the linear velocity direction of the two groups of the grinding rollers 4 close to each other points to a direction away from the base 1, and the grinding rollers 4 are not in contact with each other;
in-process carrying out the coping to door plant 6, polish simultaneously through two sets of grinding roller 4, the improvement carries out the efficiency of coping to door plant 6, and simultaneously, along with grinding roller 4 removes along guide rail 2, two sets of grinding roller 4 can be in proper order to door plant 6 on the surface arch, residue or piece are polished, guarantee that it is abundant to polish, and simultaneously, because two sets of grinding roller 4's rotation opposite direction, after preceding grinding roller 4 polishes and accomplishes, latter grinding roller 4 is polished in the opposite direction, avoid the abrasive dust that latter grinding roller 4 left after polishing along the place ahead, the vestige continues to polish, make the defect that preceding grinding roller 4 left after polishing, not enough still exist, do not receive the improvement of latter grinding roller 4, thereby utilize two grinding roller 4 that rotate opposite direction to polish the back, can improve the effect after the coping of door plant 6.
As an embodiment of the present invention, a cavity 411 is formed inside the rotating shaft 41, an air guide ring 413 is installed on the rotating shaft 41, a through hole 412 is formed in an area of the rotating shaft 41 covered by the air guide ring 413, an air pipe 414 is installed on the air guide ring 413, and the air pipe 414 is connected to an external negative pressure fan;
gaps exist between the adjacent grinding wheels 44, the rotating shaft 41 is provided with air extraction holes, and the air extraction holes are located in the gaps between the grinding wheels 44;
when the grinding roller 4 is used for grinding the surface of the door panel 6, a large amount of metal dust can be generated, and when a protective cover and a ventilation barrel at the using position in a traditional grinding device are used for sucking the generated metal dust, the generated metal dust is poor in collecting effect due to the fact that the protective cover and the ventilation barrel are relatively far away from the position where the metal dust is generated, dust splashing easily occurs, the environment is polluted, and the health of workers is affected;
meanwhile, when the door panel 6 is polished by the polishing device, an external negative pressure fan pumps out gas in a cavity 411 in the rotating shaft 41 through the air pipe 414, the air guide ring 413 and the through hole 412 to form a negative pressure environment in the cavity 411, then, external gas passes through the air pumping hole from a gap between the grinding wheels 44 and enters the cavity 411, in the process, metal dust generated by polishing the door panel 6 by the grinding wheels 44 is wrapped by air flow, so that the metal dust together with the air flow passes through the air pumping hole and enters the cavity 411 and is further pumped out of the polishing device by the negative pressure fan, and then, a filter screen is arranged at the negative pressure fan to intercept and collect the generated metal dust, so that the generated metal dust is prevented from splashing and polluting the environment;
simultaneously, because the position that the aspirating hole produced apart from the metal dust is nearer relatively to improve the collection effect to the metal dust, reduce the quantity of the metal dust that splashes, spreads, avoid polishing the metal dust pollution environment that produces and threaten to staff's health.
As an embodiment of the present invention, an air guide frame 45 is installed on the rotating shaft 41, the air guide frame 45 is located in a gap between the grinding wheels 44, the air guide frame 45 is hollow, and dust removing holes are uniformly formed on the outer side surface of the air guide frame 45;
the air guide frame 45 is communicated with the cavity 411 in the rotating shaft 41 from the air exhaust hole;
when the metal dust generated in the polishing process of the door plate 6 is collected, the distance between the air suction hole and the metal dust is shortened through the air guide frame 45 communicated with the cavity 411 in the rotating shaft 41, the collecting effect of the metal dust is further improved, meanwhile, as the dust cleaning hole formed in the air guide frame 45 is relatively close to the position where the metal dust is generated, the metal dust can be collected when the diffusion range of the metal dust is relatively small, the difficulty of collecting the metal dust is reduced to a certain extent, the sufficient degree of collecting the generated metal dust is improved, and the pollution of the metal dust to the environment and the threat to the health of workers in the polishing process are reduced as much as possible; meanwhile, the air guide frame 45 arranged between the gaps between the grinding wheels 44 can seal the gaps between the grinding wheels 44, so that metal dust generated in the grinding process is prevented from entering a space between the inner layer frame 432 and the outer layer frame 431 of the support 43, the influence of the space between the inner layer frame 432 and the outer layer frame 431 on metal dust collection is reduced, and the metal dust collection effect is improved.
As an embodiment of the invention, a guard plate 5 is installed on the sliding seat, the guard plate 5 is located right above the grinding roller 4, a spray pipe 51 is installed on the guard plate 5, and the spray pipe 51 is located at the front side and the rear side of the grinding roller 4;
because the linear velocity direction of the mutual close place of two groups of grinding rollers 4 points to the top, make the metal dust produced in the course of polishing splash upwards from the space between two groups of grinding rollers 4, intercept the metal dust that splashes out through the guard plate 5 installed, avoid the metal dust produced in polishing to expand and scatter, pollute the environment under the centrifugal force, meanwhile, because the guard plate 5 intercepts the metal dust that splashes, make the metal dust diffuse in the space between guard plate 5 and grinding roller 4, lengthen the time that the metal dust spreads the necessary time to a certain extent, help the metal dust to be collected from the deashing hole on the air guide 45;
simultaneously, at the in-process of polishing, spray the polishing solution to door plant 6 on the surface through the shower 51 that is located the place ahead of the direction of polishing, improve to a certain extent and polish effect and efficiency of polishing, simultaneously, the polishing solution that sprays also can receive backplate 5's interception after being thrown away by polishing roller 4 to on door plant 6 falls down along backplate 5's inner wall again, thereby the effectual polishing solution that prevents splashes, causes environmental pollution and waste.
As an embodiment of the present invention, the sliding base includes a left sliding base 23 and a right sliding base 24, both ends of the rotating shaft 41 are provided with springs, the other end of the spring at the right end of the rotating shaft 41 is fixedly connected to the right sliding base 24, the other end of the spring at the left end of the rotating shaft 41 is fixedly provided with a sliding head 415, the base 1 is provided with a wave plate 25, the wave plate 25 is located at the left side of the left sliding base 23, and the sliding head 415 and the wave plate 25 are in contact with each other;
when the slide moves along the guide rail 2 under the action of the driving motor 22, the sliding head 415 can be tightly attached to the surface of the wave plate 25 under the action of the spring, and meanwhile, under the influence of the shape of the wave plate 25, the sliding head 415 can reciprocate along the length direction of the rotating shaft 41, and meanwhile, because the springs are installed at the left end and the right end of the rotating shaft 41, when the sliding head 415 reciprocates, the rotating shaft 41 can also reciprocate leftwards and rightwards, so as to drive the grinding roller 4 to reciprocate leftwards and rightwards, so as to improve the grinding effect of the grinding roller 4 on the door panel 6, and meanwhile, when the grinding roller 4 moves leftwards and rightwards, the grinding areas of the adjacent grinding wheels 44 can be overlapped, so that the grinding effect of the door panel 6 is further ensured, the grinding areas of the grinding wheels 44 are prevented from being relatively fixed, and the height difference exists between the grinding areas of the adjacent grinding wheels 44, so as to influence the grinding effect of the door panel 6.
The specific working process is as follows:
when the door surface of the civil defense door is polished, a worker places a door panel 6 to be processed on a placing plate 3 of a polishing device, then the worker starts the polishing device through a controller, a driving motor 22 installed on a guide rail 2 drives a sliding seat to slide along the guide rail 2, and meanwhile, the controller starts a polishing motor 241 to drive a polishing roller 4 to rotate so as to polish the surface of the door panel 6;
in addition, the placing plate 3 is hollow and provided with air holes 31 on the surface, after the door panel 6 is placed on the placing plate 3, an external negative pressure fan is started under the control of the controller, and the door panel 6 is fixed by using negative pressure;
meanwhile, a driving motor 22 is installed on the guide rail 2, a lead screw penetrating through the sliding seat is connected to an output shaft of the driving motor 22, after the driving motor 22 is started by a controller, the driving motor 22 drives the lead screw to rotate, so that the sliding seat gradually moves along the guide rail 2, and meanwhile, in the moving process of the sliding seat, a grinding roller 4 driven by a grinding motor 241 is in contact with the surface of the door panel 6 to grind the surface of the door panel 6;
meanwhile, the grinding wheel 44 is mounted on the elastic layer 42 on the rotating shaft 41 through the bracket 43, so that the grinding wheel 44 has a certain elastic change range when contacting with the surface of the door panel 6 in the process of grinding the door panel 6 by the grinding roller 4;
the grinding roller 4 is made of a plurality of groups of grinding wheels 44, so that relative movement in a direction vertical to the base 1 occurs between different grinding wheels 44 on the grinding roller 4, and the different grinding wheels 44 on the grinding roller 4 can fully contact and grind bulges, residues or chips with different relative heights at corresponding positions on the door panel 6;
meanwhile, the bracket 43 and the rotating shaft 41 are relatively fixed through the positioning nails 46 mounted on the inner-layer frame 432, so that when the grinding wheel 44 is subjected to excessive acting force, the acting force exceeding the bearing limit of the elastic layer 42 is directly shared on the positioning nails 46 and is transmitted to the rotating shaft 41 through the positioning nails 46;
in the process of polishing the door plate 6, two groups of polishing rollers 4 are used for polishing simultaneously;
meanwhile, when the door panel 6 is polished by the polishing device, an external negative pressure fan pumps out gas in a cavity 411 in the rotating shaft 41 through the air pipe 414, the air guide ring 413 and the through hole 412 to form a negative pressure environment in the cavity 411, then, external gas passes through the air pumping hole from a gap between the grinding wheels 44 and enters the cavity 411, in the process, metal dust generated by polishing the door panel 6 by the grinding wheels 44 is wrapped by air flow, so that the metal dust together with the air flow passes through the air pumping hole and enters the cavity 411 and is further pumped out of the polishing device by the negative pressure fan, and then, a filter screen is arranged at the negative pressure fan to intercept and collect the generated metal dust;
when collecting the metal dust generated in the polishing process of the door panel 6, the distance between the air suction hole and the metal dust is shortened by the air guide frame 45 communicated with the cavity 411 in the rotating shaft 41; meanwhile, the air guide frames 45 installed between the gaps between the grinding wheels 44 can seal the gaps between the grinding wheels 44;
the splashed metal dust is intercepted by the installed guard plate 5, so that the metal dust is diffused in a space between the guard plate 5 and the polishing roller 4, the time required by the diffusion of the metal dust is prolonged to a certain extent, and the collection of the metal dust from the dust cleaning hole on the air guide frame 45 is facilitated;
when the sliding base moves along the guide rail 2 under the action of the driving motor 22, the sliding head 415 is tightly attached to the surface of the wave plate 25 under the action of the spring, meanwhile, under the influence of the shape of the wave plate 25, the sliding head 415 reciprocates along the length direction of the rotating shaft 41, and meanwhile, because the spring is installed at the left end and the right end of the rotating shaft 41, when the sliding head 415 reciprocates, the rotating shaft 41 also reciprocates left and right, and then the grinding roller 4 is driven to reciprocate left and right.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A door surface grinding device for civil air defense door production comprises a base (1), wherein guide rails (2) are symmetrically arranged on the base (1), a sliding seat is slidably arranged on the guide rails (2), a grinding roller (4) is arranged on the sliding seat, a placing plate (3) is arranged on the base (1), and the grinding roller (4) is positioned above the placing plate (3);
the method is characterized in that: the grinding roller (4) comprises a rotating shaft (41), a grinding motor (241) is mounted on the sliding seat, and the grinding motor (241) drives the rotating shaft (41) to rotate;
install elastic layer (42) on pivot (41), install support (43) on elastic layer (42), install emery wheel (44) on support (43).
2. The door face grinding device for civil air defense door production according to claim 1, characterized in that: the grinding roller (4) consists of a plurality of groups of grinding wheels (44) arranged on a rotating shaft (41).
3. The door face grinding device for civil air defense door production according to claim 1, characterized in that: the bracket (43) comprises an inner layer bracket (432) and an outer layer bracket (431), the inner layer bracket (432) and the outer layer bracket (431) are connected with each other through a connecting plate (433), the grinding wheel (44) is installed on the outer layer bracket (431), and the inner layer bracket (432) is installed on the elastic layer (42);
the inner layer frame (432) is provided with a positioning nail (46), the lower end of the positioning nail (46) is connected to the side wall of the rotating shaft (41), and a gap exists between the positioning nail (46) and the side wall of the inner layer frame (432).
4. The door face grinding device for civil air defense door production according to claim 1, characterized in that: the grinding roller (4) is two groups in total, and is two groups the rotation direction of grinding roller (4) is opposite, and is two groups the linear velocity direction point direction that is close to each other in grinding roller (4) is far away from the direction of base (1), each other contactless between grinding roller (4).
5. The door face grinding device for civil air defense door production according to claim 2, characterized in that: a cavity (411) is formed in the rotating shaft (41), an air guide ring (413) is installed on the rotating shaft (41), a through hole (412) is formed in the area, covered by the air guide ring (413), of the rotating shaft (41), an air pipe (414) is installed on the air guide ring (413), and the air pipe (414) is connected to an external negative pressure fan;
gaps exist between the adjacent grinding wheels (44), the rotating shaft (41) is provided with air extraction holes, and the air extraction holes are located in the gaps between the grinding wheels (44).
6. The door face grinding device for civil air defense door production according to claim 5, characterized in that: the rotating shaft (41) is provided with an air guide frame (45), the air guide frame (45) is positioned in a gap between the grinding wheels (44), the air guide frame (45) is hollow, and ash cleaning holes are uniformly formed in the outer side surface of the air guide frame (45);
the air guide frame (45) is communicated with the cavity (411) in the rotating shaft (41) from the air suction hole.
7. The door face grinding device for civil air defense door production according to claim 4, characterized in that: the grinding device is characterized in that a protective plate (5) is arranged on the sliding seat, the protective plate (5) is located right above the grinding roller (4), a spray pipe (51) is arranged on the protective plate (5), and the spray pipe (51) is located on the front side and the rear side of the grinding roller (4).
8. The door face grinding device for civil air defense door production according to claim 1, characterized in that: the slide includes left slide (23) and right slide (24), the spring is all installed at the both ends of pivot (41), the other end of the spring of pivot (41) right-hand member is connected to right slide (24) admittedly, the other end fixed mounting of the spring of pivot (41) left end has slider (415), install wave board (25) on base (1), wave board (25) are located the left side of left slide (23), slider (415) and wave board (25) contact each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310091532.XA CN115771071B (en) | 2023-02-10 | 2023-02-10 | A shop front coping device for production of people's air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310091532.XA CN115771071B (en) | 2023-02-10 | 2023-02-10 | A shop front coping device for production of people's air defense door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115771071A true CN115771071A (en) | 2023-03-10 |
| CN115771071B CN115771071B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310091532.XA Active CN115771071B (en) | 2023-02-10 | 2023-02-10 | A shop front coping device for production of people's air defense door |
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| Country | Link |
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| CN (1) | CN115771071B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381572A (en) * | 2023-11-20 | 2024-01-12 | 东莞市黄江大顺电子有限公司 | Production process of large-size LED backlight source circuit board |
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| CN215659350U (en) * | 2021-02-24 | 2022-01-28 | 宜昌市国方人防设备制作有限公司 | A grinding device for processing of people's air defense door |
| CN217122686U (en) * | 2022-03-03 | 2022-08-05 | 福建明旺家具有限公司 | Plate surface polishing device for wardrobe processing |
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|---|---|---|---|---|
| WO2020001670A1 (en) * | 2018-06-27 | 2020-01-02 | Koennemann Ronny Willian | Truing device for circular tools and method for mounting/removing circular tools |
| CN210060734U (en) * | 2019-05-27 | 2020-02-14 | 南安市振邦家庭农场有限公司 | Steel band surface finish device |
| CN212351385U (en) * | 2020-06-03 | 2021-01-15 | 南通双欧木业有限公司 | Grinding device is used in timber processing |
| CN215659350U (en) * | 2021-02-24 | 2022-01-28 | 宜昌市国方人防设备制作有限公司 | A grinding device for processing of people's air defense door |
| CN217122686U (en) * | 2022-03-03 | 2022-08-05 | 福建明旺家具有限公司 | Plate surface polishing device for wardrobe processing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117381572A (en) * | 2023-11-20 | 2024-01-12 | 东莞市黄江大顺电子有限公司 | Production process of large-size LED backlight source circuit board |
| CN117381572B (en) * | 2023-11-20 | 2024-05-31 | 东莞市黄江大顺电子有限公司 | Large-size LED backlight source circuit board production polishing equipment |
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| Publication number | Publication date |
|---|---|
| CN115771071B (en) | 2023-05-02 |
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