CN219444596U - Grinder with safe self-braking function - Google Patents
Grinder with safe self-braking function Download PDFInfo
- Publication number
- CN219444596U CN219444596U CN202320613308.8U CN202320613308U CN219444596U CN 219444596 U CN219444596 U CN 219444596U CN 202320613308 U CN202320613308 U CN 202320613308U CN 219444596 U CN219444596 U CN 219444596U
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- piston
- grinder
- push rod
- fixedly connected
- grinding wheel
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- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 229910001651 emery Inorganic materials 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 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
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model relates to the technical field of grinding machines and discloses a grinding machine with a safety self-braking function, which comprises a grinding machine body, wherein a protective cover is arranged on one side of the grinding machine body, an output shaft of the grinding machine body is fixedly connected with a grinding wheel, an alarm component is arranged on the outer surface of the protective cover, a braking component is connected in the protective cover, and the braking component comprises a mounting frame, an electric push rod, a first piston, a booster cylinder, an oil pipe, a cylinder body, a second piston, a spring, a push rod and a braking block. According to the utility model, the rotating range of the grinding wheel is covered by the infrared sensor, when the human body part is very close to the grinding wheel, the infrared sensor detects the human body parts such as fingers and the like, then a signal is sent to the controller, the controller immediately cuts off the motor in the grinder body, and the controller immediately starts the electric push rod, so that the braking of the grinding wheel is completed in a moment, the buzzer gives an alarm to remind surrounding staff, and the safety of the grinder is enhanced by the whole structure.
Description
Technical Field
The utility model relates to the technical field of grinding machines, in particular to a grinding machine with a safe self-braking function.
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. Besides some common requirements of grinding machine tools, the grinder also has the characteristics of high rotating speed, simple structure, wide application range, general manual operation and the like.
At present, a common grinding wheel machine is not provided with a braking device, if fingers of a user accidentally contact the grinding wheel, the fingers are cut off, so that the damage cannot be estimated, and some grinding wheel machines with the braking device often adopt a power-off mode to stop the rotation of the grinding wheel, but the rotation of the grinding wheel can be stopped after a while due to inertia, so that the grinding wheel is unfavorable for timely rescuing of the user, and larger damage is caused. In view of this, we propose a grinder with a safety self-braking function to solve the above-mentioned problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the grinding wheel machine with the safety self-braking function, which has the advantages that when fingers or other parts of a user are unintentionally close to the grinding wheel, the grinding wheel is immediately braked and stopped, the accident is avoided, and the technical problems are solved.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the grinding machine with the safety self-braking function comprises a grinding machine body, wherein a protective cover is arranged on one side of the grinding machine body, an output shaft of the grinding machine body is fixedly connected with a grinding wheel, an alarm component is arranged on the outer surface of the protective cover, and a braking component is connected in the protective cover;
the brake component comprises a mounting frame, an electric push rod, a first piston, a booster cylinder, an oil pipe, a cylinder body, a second piston, a spring, a push rod and a brake block, wherein the electric push rod is mounted on the top surface of the mounting frame, the output end of the electric push rod is fixedly connected with the first piston, the booster cylinder is arranged on the outer surface of the first piston, the oil pipe is fixedly connected with the outer surface of the booster cylinder, one end of the oil pipe is fixedly connected with the cylinder body, the second piston is arranged in the cylinder body, one end face of the second piston is fixedly connected with the push rod, the spring is sleeved on the outer surface of the push rod, and one end of the push rod is fixedly connected with the brake block.
Preferably, the outer surface of the protective cover is fixedly connected with the rest.
Through above technical scheme, the protection casing protects in the outside of emery wheel, and the piece that produces when can preventing to grind is derived and is splashed, can place the work piece of waiting to grind on the rest platform then press close to the emery wheel with the work piece through setting up the rest platform, makes things convenient for the user to operate.
Preferably, the mounting frame is fixedly connected to the outer surface of the protective cover, and pressure oil is arranged in the oil pipe.
Through above-mentioned technical scheme, can drive piston one through starting electric putter and move downwards, thereby piston one exerts the pressure in to the pressure boost section of thick bamboo and makes the pressure oil in the oil pipe to piston two move, forces piston two to drive the ejector pin, and the ejector pin drives the brake shoe and hugs closely the surface at the emery wheel, so can realize the braking to the emery wheel.
Preferably, the oil pipe, the cylinder body, the second piston, the spring, the ejector rod and the brake block are all provided with two.
Through the technical scheme, when the grinding wheel is braked, the first piston applies pressure to the pressurizing cylinder, so that pressure oil in the two oil pipes is forced to synchronously squeeze the two second pistons, and the two brake blocks can clamp the grinding wheel through transmission, so that the grinding wheel braking effect is better.
Preferably, the cylinder body is internally provided with a containing cavity, a second piston is arranged in the containing cavity, and one end of the spring is abutted to the second piston.
Through above-mentioned technical scheme, when releasing the braking, drive the upward movement of piston No. one through electric putter, the pressure oil in the oil pipe is traced back immediately, and spring extrusion No. two pistons make its reset, and No. two pistons drive ejector pin and brake pad reset, so the emery wheel no longer is braked, can resume the rotation of emery wheel after starting the abrasive wheel machine body.
Preferably, the alarm assembly comprises a mounting plate, infrared sensors, a buzzer and a controller, wherein the mounting plate is fixedly connected to the outer surface of the protective cover, a plurality of infrared sensors are fixedly mounted on the lower surface of the mounting plate, the buzzer is fixedly connected to the top surface of the mounting plate, and the controller is mounted on the stand of the grinder body.
Through above-mentioned technical scheme, infrared sensor covers the rotation scope of emery wheel, and when human position very near the emery wheel, infrared sensor detects human position such as finger, later sends the signal to the controller, and the inside motor of emery wheel machine body is cut off immediately to the controller starts electric putter immediately, makes the braking to the emery wheel accomplish in one instant, and bee calling organ sends out the police dispatch newspaper, reminds staff on every side, and overall structure has strengthened the security of emery wheel machine.
Compared with the prior art, the utility model provides the grinder with the safe self-braking function, which has the following beneficial effects:
1. according to the utility model, the rotating range of the grinding wheel is covered by the infrared sensor, when the human body part is very close to the grinding wheel, the infrared sensor detects the human body parts such as fingers and the like, then a signal is sent to the controller, the controller immediately cuts off the motor in the grinder body, and the controller immediately starts the electric push rod, so that the braking of the grinding wheel is completed in a moment, the buzzer gives an alarm to remind surrounding staff, and the safety of the grinder is enhanced by the whole structure.
2. According to the utility model, the first piston can be driven to move downwards by starting the electric push rod, the first piston applies pressure to the pressurizing cylinder so as to enable pressure oil in the oil pipe to move towards the second piston, the second piston is forced to drive the ejector rod, the ejector rod drives the brake block to be tightly attached to the outer surface of the grinding wheel, so that the braking of the grinding wheel can be realized, when the electric push rod drives the first piston to move upwards, the pressure oil in the oil pipe is traced back immediately, the spring extrudes the second piston to reset the second piston, the second piston drives the ejector rod and the brake block to reset, and thus the grinding wheel is not braked any more, and the rotation of the grinding wheel can be recovered after the grinding wheel body is started.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a structural brake assembly of the present utility model;
FIG. 3 is a right side schematic view of the structure of the present utility model;
fig. 4 is a schematic front view of the structure of the present utility model.
Wherein: 1. a grinder body; 2. a protective cover; 3. grinding wheel; 4. an alarm assembly; 41. a mounting plate; 42. an infrared sensor; 43. a buzzer; 44. a controller; 5. a brake assembly; 51. a mounting frame; 52. an electric push rod; 53. a first piston; 54. a pressurizing cylinder; 55. an oil pipe; 56. a cylinder; 57. a second piston; 58. a spring; 59. a push rod; 510. a brake block; 6. a rest stand.
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. 1-2, the grinder with the safety self-braking function provided by the utility model comprises a grinder body 1, wherein a protective cover 2 is arranged on one side of the grinder body 1, an output shaft of the grinder body 1 is fixedly connected with a grinding wheel 3, an alarm component 4 is arranged on the outer surface of the protective cover 2, and a braking component 5 is connected in the protective cover 2;
the brake assembly 5 comprises a mounting frame 51, an electric push rod 52, a first piston 53, a booster cylinder 54, an oil pipe 55, a cylinder 56, a second piston 57, a spring 58, a push rod 59 and a brake block 510, wherein the electric push rod 52 is mounted on the top surface of the mounting frame 51, the output end of the electric push rod 52 is fixedly connected with the first piston 53, the booster cylinder 54 is arranged on the outer surface of the first piston 53, the oil pipe 55 is fixedly connected with the outer surface of the booster cylinder 54, one end of the oil pipe 55 is fixedly connected with the cylinder 56, the second piston 57 is arranged in the cylinder 56, one end face of the second piston 57 is fixedly connected with the push rod 59, the outer surface of the push rod 59 is sleeved with the spring 58, and one end of the push rod 59 is fixedly connected with the brake block 510.
Specifically, the outer surface of the protective cover 2 is fixedly connected with the rest stand 6. The grinding wheel 3 is provided with the protective cover 2, the protective cover is arranged on the outer side of the grinding wheel 3, scraps generated during grinding can be prevented from being led out to splash, a workpiece to be ground can be placed on the placing table 6 through the placing table 6, and then the workpiece is attached to the grinding wheel 3, so that the grinding wheel 3 is convenient for a user to operate.
Specifically, the mounting frame 51 is fixedly connected to the outer surface of the protective cover 2, and the oil pipe 55 is provided with pressure oil. The brake device has the advantages that the first piston 53 can be driven to move downwards by starting the electric push rod 52, the first piston 53 applies pressure to the pressurizing cylinder 54, so that pressure oil in the oil pipe 55 moves to the second piston 57, the second piston 57 is forced to drive the ejector rod 59, the ejector rod 59 drives the brake block 510 to be clung to the outer surface of the grinding wheel 3, and the braking of the grinding wheel can be realized.
Specifically, the oil pipe 55, the cylinder 56, the No. two pistons 57, the spring 58, the ejector rod 59 and the brake block 510 are all provided with two. The two pistons 57 and the two brake blocks 510 can clamp the grinding wheel 3 through transmission, so that the braking effect of the grinding wheel 3 is better.
Specifically, a containing cavity is formed in the cylinder 56, a second piston 57 is arranged in the containing cavity, and one end of the spring 58 abuts against the second piston 57. The automatic grinding wheel control device has the advantages that when the brake is released, the first piston 53 is driven to move upwards through the electric push rod 52, pressure oil in the oil pipe 55 is traced back, the second piston 57 is extruded by the spring 58 to reset, the second piston 57 drives the ejector rod 59 and the brake block 510 to reset, so that the grinding wheel 3 is not braked any more, and the rotation of the grinding wheel 3 can be recovered after the grinding wheel machine body 1 is started.
Embodiment two:
as shown in fig. 3-4, as an improvement over the previous embodiment. Specifically, alarm assembly 4 includes mounting panel 41, infrared sensor 42, buzzer 43 and controller 44, and mounting panel 41 fixed connection is in the surface of protection casing 2, and the lower surface fixed mounting of mounting panel 41 a plurality of infrared sensor 42, and the top surface fixed connection buzzer 43 of mounting panel 41, installation controller 44 on the frame of grinder body 1. The grinding wheel control device has the advantages that the infrared sensor 42 covers the rotation range of the grinding wheel 3, when the human body part is very close to the grinding wheel 3, the infrared sensor 42 detects the human body part such as a finger, then signals are sent to the controller 44, the controller 44 immediately cuts off the motor inside the grinding wheel machine body 1, and the controller 44 immediately starts the electric push rod 52, so that the braking of the grinding wheel 3 is completed at one instant, the buzzer 43 gives an alarm to remind surrounding staff, and the safety of the grinding wheel machine is enhanced by the whole structure.
When the grinding wheel is used, a workpiece is placed on the placing table 6 and is close to the grinding wheel 3 to grind the workpiece, if a human body part is accidentally very close to the grinding wheel 3, the infrared sensor 42 detects the human body part such as a finger, then a signal is sent to the controller 44, the controller 44 immediately turns off the motor in the grinding wheel body 1, the controller 44 immediately starts the electric push rod 52, the buzzer 43 gives an alarm to remind surrounding staff, the electric push rod 52 can drive the first piston 53 to move downwards, the first piston 53 applies pressure to the booster cylinder 54 so that pressure oil in the oil pipe 55 moves to the second piston 57, the second piston 57 is forced to drive the push rod 59, and the push rod 59 drives the brake block 510 to be tightly attached to the outer surface of the grinding wheel 3, so that the braking of the grinding wheel can be realized.
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 safe self-braking function, includes the grinder body, one side of grinder body sets up the protection casing, just the output shaft fixed connection emery wheel of grinder body, its characterized in that: the outer surface alarm assembly of the protective cover is connected with the brake assembly;
the brake component comprises a mounting frame, an electric push rod, a first piston, a booster cylinder, an oil pipe, a cylinder body, a second piston, a spring, a push rod and a brake block, wherein the electric push rod is mounted on the top surface of the mounting frame, the output end of the electric push rod is fixedly connected with the first piston, the booster cylinder is arranged on the outer surface of the first piston, the oil pipe is fixedly connected with the outer surface of the booster cylinder, one end of the oil pipe is fixedly connected with the cylinder body, the second piston is arranged in the cylinder body, one end face of the second piston is fixedly connected with the push rod, the spring is sleeved on the outer surface of the push rod, and one end of the push rod is fixedly connected with the brake block.
2. A grinder with a safety self-braking function according to claim 1, characterized in that: the outer surface of the protective cover is fixedly connected with the rest.
3. A grinder with a safety self-braking function according to claim 1, characterized in that: the mounting bracket fixed connection is in the surface of protection casing, be provided with the pressure oil in the oil pipe.
4. A grinder with a safety self-braking function according to claim 1, characterized in that: the oil pipe, the cylinder body, the second piston, the spring, the ejector rod and the brake block are all provided with two.
5. A grinder with a safety self-braking function according to claim 1, characterized in that: offer in the cylinder body and hold the chamber, hold the intracavity and set up No. two pistons, the one end butt of spring No. two pistons.
6. A grinder with a safety self-braking function according to claim 1, characterized in that: the alarm assembly comprises a mounting plate, infrared sensors, a buzzer and a controller, wherein the mounting plate is fixedly connected to the outer surface of the protective cover, a plurality of infrared sensors are fixedly mounted on the lower surface of the mounting plate, the buzzer is fixedly connected to the top surface of the mounting plate, and the controller is mounted on the stand of the grinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320613308.8U CN219444596U (en) | 2023-03-22 | 2023-03-22 | Grinder with safe self-braking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320613308.8U CN219444596U (en) | 2023-03-22 | 2023-03-22 | Grinder with safe self-braking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219444596U true CN219444596U (en) | 2023-08-01 |
Family
ID=87413971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320613308.8U Active CN219444596U (en) | 2023-03-22 | 2023-03-22 | Grinder with safe self-braking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219444596U (en) |
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2023
- 2023-03-22 CN CN202320613308.8U patent/CN219444596U/en active Active
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