CN221065770U - Grinder with protector - Google Patents
Grinder with protector Download PDFInfo
- Publication number
- CN221065770U CN221065770U CN202322561650.0U CN202322561650U CN221065770U CN 221065770 U CN221065770 U CN 221065770U CN 202322561650 U CN202322561650 U CN 202322561650U CN 221065770 U CN221065770 U CN 221065770U
- Authority
- CN
- China
- Prior art keywords
- workbench
- fixedly connected
- arc
- grinding wheel
- top surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001012 protector Effects 0.000 title claims description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 229910001651 emery Inorganic materials 0.000 description 8
- 238000005498 polishing Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model relates to the technical field of grinding machines and discloses a grinding machine with a protection device, which comprises a workbench, wherein a motor is arranged on the top surface of the workbench, an output shaft of the motor is connected with a grinding wheel, the top surface of the workbench is fixedly connected with a protection component and a side plate, one side of the side plate is fixedly connected with a protection cover, a cleaning component is arranged on the lower surface of the workbench, and a chip discharge port is formed in the top surface of the workbench in a penetrating manner. When the human body parts such as fingers are excessively close to the grinding wheel, the two infrared sensors immediately send signals to the PLC after detecting the fingers, the PLC immediately stops the motor, and immediately starts the electric push rod to drive the arc-shaped block to move downwards by the output end of the electric push rod, and the arc-shaped block drives the brake block to move downwards to abut against the outer surface of the grinding wheel, so that the brake block can rapidly stop the grinding wheel after the power of the grinding wheel is lost, the human body parts such as the fingers are prevented from being polished by the grinding wheel, and a good protection effect is achieved.
Description
Technical Field
The utility model relates to the technical field of grinding machines, in particular to a grinding machine with a protection device.
Background
The grinder is a common device for sharpening various cutters and tools, and is also used as a common small part for grinding, deburring, cleaning and the like. The grinding machine can be divided into a hand-held grinder, a vertical grinder, a suspension grinder, a table grinder and the like.
The existing grinding machine is generally provided with a protective cover, the protective cover can prevent fragments from splashing everywhere when the grinding machine grinds, and the fragments are guaranteed to splash only towards a place which is close to the ground and opposite to the direction of a user, so that the protective cover can play a certain role in protection, but the protection degree is limited, and once the hands of the user are not noticed and contact with the grinding wheel, the grinding wheel rotating at a high speed can seriously damage fingers of a person. For this reason, a protection device capable of avoiding damage to the man-made work by the grinding machine is required to protect the grinding machine.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the grinder with the protection device, which has the advantages of effectively avoiding damage to fingers of a person caused by a grinding wheel rotating at a high speed, having good protection effect and the like, and solves the technical problems.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the grinder with the protection device comprises a workbench, wherein a motor is arranged on the top surface of the workbench, an output shaft of the motor is connected with a grinding wheel, the top surface of the workbench is fixedly connected with a protection component and a side plate, one side of the side plate is fixedly connected with a protection cover, a cleaning component is arranged on the lower surface of the workbench, and the top surface of the workbench is penetrated and provided with a chip removal port;
The protection assembly comprises a support, an electric push rod, an arc-shaped block, a brake block and an infrared sensor, wherein the electric push rod is installed at the top of the support, the output end of the electric push rod is fixedly connected with the arc-shaped block, the outer surface of the arc-shaped block is clamped with the brake block, one side of the support is provided with an extension plate, and the infrared sensor is installed on the lower surface of the extension plate.
Preferably, the top surface of workstation fixed connection a bearing bracket, the top surface installation bearing of bearing bracket, the output shaft of motor inserts in the bearing.
Through above-mentioned technical scheme, output shaft rotates and drives the emery wheel and rotate and polish the work piece behind the starter motor, can play the supporting role to the output shaft of motor through setting up bearing bracket cooperation bearing.
Preferably, the top of workstation installs the PLC controller, the arc piece with the brake block sets up in the protection casing, support fixed connection is in the top surface of workstation.
Through the technical scheme, the PLC can control the start and stop of the motor and the electric putter, an infrared sensor is also installed on the top surface of the workbench, once human body parts such as fingers are excessively close to the grinding wheel, the two infrared sensors detect the fingers and immediately send signals to the PLC, the PLC immediately stops the motor, and the electric putter is immediately started to enable the output end of the electric putter to drive the arc-shaped block to move downwards, and the arc-shaped block drives the brake block to move downwards and abut against the outer surface of the grinding wheel, so that the grinding wheel can quickly stop the grinding wheel after losing power, and the human body parts such as fingers are prevented from being polished by the grinding wheel, so that a good protection effect is achieved.
Preferably, a dovetail groove is formed in the outer surface of the arc-shaped block, and a bump is fixedly connected to the top of the brake block.
Through the technical scheme, the convex blocks at the top of the brake block can be inserted into the dovetail grooves of the arc blocks, when the brake block is seriously worn, the brake block and the arc blocks are exposed after the protective cover is disassembled, and then the brake block is extracted from the arc blocks to be replaced by a new brake block.
Preferably, the cleaning assembly comprises a chip suction pipe, a box body, a centrifugal fan, a filter screen and a bottom plate, wherein the chip suction pipe is fixedly connected to the lower surface of the workbench, the bottom end of the chip suction pipe is fixedly connected with the box body, the centrifugal fan is installed on one side of the box body, the filter screen is installed in the box body, and the bottom of the box body is connected with the bottom plate in a sliding manner.
Through above-mentioned technical scheme, the emery wheel takes place high-speed rotation after being driven by the motor and can polish the work piece, makes the box produce the negative pressure through starting centrifugal fan during polishing, and then makes and inhales the intraductal negative pressure that produces of bits, because the top of inhaling the bits pipe is connected the chip removal mouth, the piece that produces during polishing can be inhaled the bits intraductal, finally falls into the box and temporarily stores, can prevent the piece entering centrifugal fan through setting up the filter screen in.
Preferably, the front of the box body is provided with a rectangular opening, a filter screen is inserted into the rectangular opening, the outer surface of the filter screen is fixedly connected with a pull rope, and the front of the bottom plate is fixedly connected with a handle.
Through above-mentioned technical scheme, still be provided with transparent observation window with the surface of box, can observe the collection condition of piece in the box at any time, make the bottom plate take out from the box inside through pulling the handle on the bottom plate, the piece in this box is automatic to be discharged, can take out the filter screen from the box in through pulling the stay cord on the filter screen surface, so can change or wash the filter screen.
Compared with the prior art, the utility model provides the grinder with the protection device, which has the following beneficial effects:
1. When the human body parts such as fingers are excessively close to the grinding wheel, the two infrared sensors immediately send signals to the PLC after detecting the fingers, the PLC immediately stops the motor, and immediately starts the electric push rod to drive the arc-shaped block to move downwards by the output end of the electric push rod, and the arc-shaped block drives the brake block to move downwards to abut against the outer surface of the grinding wheel, so that the brake block can rapidly stop the grinding wheel after the power of the grinding wheel is lost, the human body parts such as the fingers are prevented from being polished by the grinding wheel, and a good protection effect is achieved.
2. According to the utility model, the centrifugal fan is started to generate negative pressure in the box body, so that negative pressure is generated in the chip suction pipe, and as the top end of the chip suction pipe is connected with the chip discharge port, chips generated during polishing can be sucked into the chip suction pipe and finally fall into the box body for temporary storage, the chips can be prevented from entering the centrifugal fan by arranging the filter screen, the whole structure avoids the chips from being sucked by a human body during polishing, and the chips are convenient to clean.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic diagram of the front of the structure of the present utility model;
FIG. 3 is a schematic view in partial cross-section of the structure of the present utility model;
fig. 4 is a schematic perspective view of a structural cleaning assembly according to the present utility model.
Wherein: 1. a work table; 2. a motor; 3. grinding wheel; 4. a protective assembly; 41. a bracket; 42. an electric push rod; 43. an arc-shaped block; 44. a brake block; 45. an infrared sensor; 5. a side plate; 6. a protective cover; 7. cleaning the assembly; 71. a chip suction pipe; 72. a case; 73. a centrifugal fan; 74. a filter screen; 75. a bottom plate; 8. a chip removal port; 9. a bearing; 10. and a PLC controller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
As shown in fig. 1-3, the grinder with the protection device provided by the utility model comprises a workbench 1, wherein a motor 2 is arranged on the top surface of the workbench 1, an output shaft of the motor 2 is connected with a grinding wheel 3, the top surface of the workbench 1 is fixedly connected with a protection component 4 and a side plate 5, one side of the side plate 5 is fixedly connected with a protection cover 6, a cleaning component 7 is arranged on the lower surface of the workbench 1, and a chip removal port 8 is arranged on the top surface of the workbench 1 in a penetrating way;
The protection component 4 comprises a support 41, an electric push rod 42, an arc-shaped block 43, a brake block 44 and an infrared sensor 45, wherein the electric push rod 42 is installed at the top of the support 41, the output end of the electric push rod 42 is fixedly connected with the arc-shaped block 43, the outer surface of the arc-shaped block 43 is clamped with the brake block 44, one side of the support 41 is provided with an extension plate, and the infrared sensor 45 is installed on the lower surface of the extension plate.
Specifically, the top surface of the workbench 1 is fixedly connected with a bearing frame, a bearing 9 is arranged on the top surface of the bearing frame, and an output shaft of the motor 2 is inserted into the bearing 9. The grinding wheel 2 has the advantages that the output shaft rotates to drive the grinding wheel 3 to rotate to grind a workpiece after the motor 2 is started, and the output shaft of the motor 2 can be supported by arranging the bearing frame matched with the bearing 9.
Specifically, the top of the workbench 1 is provided with the PLC controller 10, the arc-shaped block 43 and the brake block 44 are arranged in the protective cover 6, and the bracket 41 is fixedly connected to the top surface of the workbench 1. The advantage is that, PLC controller 10 can control motor 2 and electric putter 42 start and stop, also install an infrared sensor 45 at the top surface of workstation 1, in case human body position such as finger excessively is close to emery wheel 3, send the signal to PLC controller 10 immediately after two infrared sensors 45 detect the finger, PLC controller 10 stops motor 2 immediately, and start electric putter 42 immediately and make its output drive arc piece 43 downwardly moving, arc piece 43 drives brake block 44 downwardly moving and contradict at the surface of emery wheel 3, so emery wheel 3 can stop emery wheel 3 fast after losing power to avoid human body's finger position such as position to be polished by emery wheel 3, play fine guard action.
Specifically, the outer surface of the arc-shaped block 43 is provided with a dovetail groove, and the top of the brake block 44 is fixedly connected with a bump. The brake pad 44 has the advantages that the protruding blocks at the top of the brake pad 44 can be inserted into the dovetail grooves of the arc-shaped blocks 43, when the brake pad 44 is severely worn, the brake pad 44 and the arc-shaped blocks 43 can be exposed after the protective cover 6 is disassembled, and then the brake pad 44 is extracted from the arc-shaped blocks 43 to be replaced by a new brake pad 44.
Embodiment two:
As shown in fig. 4, as an improvement over the previous embodiment.
Specifically, the cleaning assembly 7 comprises a chip suction pipe 71, a box body 72, a centrifugal fan 73, a filter screen 74 and a bottom plate 75, wherein the chip suction pipe 71 is fixedly connected to the lower surface of the workbench 1, the bottom end of the chip suction pipe 71 is fixedly connected with the box body 72, the centrifugal fan 73 is installed on one side of the box body 72, the filter screen 74 is installed in the box body 72, and the bottom of the box body 72 is slidably connected with the bottom plate 75. The advantage is, the emery wheel 3 takes place the high-speed rotation and can polish the work piece after being driven by motor 2, makes the box 72 produce the negative pressure through starting centrifugal fan 73 during polishing, and then makes the interior negative pressure that produces of chip suction pipe 71, because chip suction pipe 71's top is connected chip discharge mouth 8, the piece that produces during polishing can be inhaled into in the chip suction pipe 71, finally falls into the box 72 and temporarily stores, can prevent the piece entering centrifugal fan 73 through setting up filter screen 74.
Specifically, a rectangular opening is formed in the front face of the box body 72, a filter screen 74 is inserted into the rectangular opening, the outer surface of the filter screen 74 is fixedly connected with a pull rope, and the front face of the bottom plate 75 is fixedly connected with a lifting handle. The advantage is, still be provided with transparent observation window with the surface of box 72, can observe the collection condition of interior piece of box 72 at any time, makes bottom plate 75 follow box 72 inside take out through pulling the handle on bottom plate 75, and the piece in so box 72 is automatic to be discharged, can take out filter screen 74 from box 72 in through pulling the stay cord on the filter screen 74 surface, so can change or wash filter screen 74.
When the electric power generation device is used, the grinding wheel 3 is driven to rotate through the starting motor 2, then a workpiece can be polished, once the human body part is excessively close to the grinding wheel 3 and detected by the infrared sensor 45 in the polishing process, the infrared sensor 45 immediately sends a signal to the PLC controller 10, the PLC controller 10 immediately stops the motor 2, and immediately starts the electric push rod 42 to drive the arc block 43 to move downwards, the arc block 43 drives the brake block 44 to move downwards and abut against the outer surface of the grinding wheel 3, the grinding wheel 3 can rapidly stop the grinding wheel 3 after power is lost, during polishing, negative pressure is generated in the box 72 through starting the centrifugal fan 73, further negative pressure is generated in the chip suction pipe 71, chips generated during polishing can be sucked into the chip suction pipe 71 and finally fall into the box 72 for temporary storage, the chips in the box 72 need to be discharged are automatically discharged through pulling the lifting handle on the bottom plate 75 to enable the bottom plate 75 to be sucked from the box 72.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a grinder with protector, includes the workstation, the top surface installation motor of workstation, the output shaft grinding wheel of motor, its characterized in that: the top surface of the workbench is fixedly connected with a protection component and a side plate, one side of the side plate is fixedly connected with a protection cover, the cleaning component is arranged on the lower surface of the workbench, and the top surface of the workbench is provided with a chip discharge port in a penetrating way;
The protection assembly comprises a support, an electric push rod, an arc-shaped block, a brake block and an infrared sensor, wherein the electric push rod is installed at the top of the support, the output end of the electric push rod is fixedly connected with the arc-shaped block, the outer surface of the arc-shaped block is clamped with the brake block, one side of the support is provided with an extension plate, and the infrared sensor is installed on the lower surface of the extension plate.
2. A grinder with a protection device according to claim 1, characterized in that: the top surface fixed connection of workstation is a bearing bracket, the top surface installation bearing of bearing bracket, in the output shaft of motor inserted the bearing.
3. A grinder with a protection device according to claim 1, characterized in that: the top of workstation installs the PLC controller, the arc piece with the brake block sets up in the protection casing, support fixed connection is in the top surface of workstation.
4. A grinder with a protection device according to claim 1, characterized in that: the outer surface of the arc-shaped block is provided with a dovetail groove, and the top of the brake block is fixedly connected with a bump.
5. A grinder with a protection device according to claim 1, characterized in that: the cleaning assembly comprises a chip suction pipe, a box body, a centrifugal fan, a filter screen and a bottom plate, wherein the chip suction pipe is fixedly connected to the lower surface of the workbench, the bottom end of the chip suction pipe is fixedly connected with the box body, the centrifugal fan is installed on one side of the box body, the filter screen is installed in the box body, and the bottom of the box body is connected with the bottom plate in a sliding manner.
6. A grinder with a protector according to claim 5, characterized in that: the front of box sets up the rectangle mouth, the filter screen is inserted to the rectangle mouth, the surface fixed connection stay cord of filter screen, the front fixed connection handle of bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561650.0U CN221065770U (en) | 2023-09-20 | 2023-09-20 | Grinder with protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561650.0U CN221065770U (en) | 2023-09-20 | 2023-09-20 | Grinder with protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221065770U true CN221065770U (en) | 2024-06-04 |
Family
ID=91272092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322561650.0U Active CN221065770U (en) | 2023-09-20 | 2023-09-20 | Grinder with protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221065770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118699981A (en) * | 2024-08-27 | 2024-09-27 | 浙江富泰阀门科技有限公司 | A grinding device for valve casting production |
-
2023
- 2023-09-20 CN CN202322561650.0U patent/CN221065770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118699981A (en) * | 2024-08-27 | 2024-09-27 | 浙江富泰阀门科技有限公司 | A grinding device for valve casting production |
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| GR01 | Patent grant |