CN213438823U - Safe type abrasive machine - Google Patents
Safe type abrasive machine Download PDFInfo
- Publication number
- CN213438823U CN213438823U CN202022156930.XU CN202022156930U CN213438823U CN 213438823 U CN213438823 U CN 213438823U CN 202022156930 U CN202022156930 U CN 202022156930U CN 213438823 U CN213438823 U CN 213438823U
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- China
- Prior art keywords
- pressing block
- screw rod
- grinding
- clamping
- shell
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- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 claims 1
- 229910001651 emery Inorganic materials 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a safe grinder, which comprises a shell, wherein the upper part of the shell is in a U-shaped structure, and a grinding device, a workpiece clamping device and a clamping adjusting device are arranged in the U-shaped structure; the grinding device comprises a motor, a grinding wheel and a protective cover, wherein the motor is arranged on the shell, the grinding wheel is connected with the motor, and the protective cover is an arc-shaped baffle; the workpiece clamping device comprises two pressing blocks with the same structure, and clamping insections are arranged on opposite surfaces of the two pressing blocks; the clamping adjusting device comprises a fastening structure and a screw rod, one end of the screw rod is connected with the pressing block, the other end of the screw rod is in threaded connection with the fastening structure, and the height of the upper pressing block is adjusted by rotating the handle; this abrasive machine is through the structure of design casing to install the emery wheel in this casing, when using, utilize manual regulation work piece clamping device, press from both sides the work piece tight between two tight briquetting, effectively avoid handheld work piece, stop because the high rotation of emery wheel causes the injury that personnel caused, have structural design rationally, convenient to use's characteristics.
Description
Technical Field
The utility model belongs to the technical field of the abrasive machine, concretely relates to safe type abrasive machine.
Background
In factory operation, workpieces turned out by a lathe are all rough surfaces in many times, so that the surfaces of the workpieces need to be polished by a grinding machine, the surfaces of the workpieces are smooth and more attractive due to the friction action of a grinding wheel, the workpieces are more convenient and smooth to use, and meanwhile, one surface of a small workpiece can be effectively polished by the grinding machine, so that the workpiece is convenient to use in shape;
when the grinding machine works, a workpiece needing to be ground is ground by utilizing the high rotation of the grinding wheel, the traditional grinding wheel is only provided with a protective cover to protect the grinding machine, and when the grinding machine is used specifically, workers grind the workpiece by the grinding wheel which is not covered by the protective cover, so that even if the protective cover is arranged, the workers are easy to be injured due to work fatigue, hand slip and other reasons when the grinding machine is used.
Disclosure of Invention
To the defect that above-mentioned prior art exists, the utility model aims to provide a safe type abrasive machine, through the structure of design casing to install the emery wheel in this casing, when using, utilize manual regulation work piece clamping device, press from both sides the work piece and press from both sides tightly between two tight briquetting, carry out the grinding, can effectively avoid handheld work piece, stop because the high rotation of emery wheel causes the injury that the staff caused, have structural design rationally, convenient to use's characteristics.
In order to achieve the above object, the utility model adopts the following technical scheme:
a safety grinder comprises a shell, wherein the upper part of the shell is of a U-shaped structure, and a grinding device, a workpiece clamping device and a clamping adjusting device are arranged in a cavity of the U-shaped structure;
the grinding device comprises a motor, a grinding wheel and a protective cover, wherein the motor is arranged in a motor mounting groove on the shell, the grinding wheel is connected with the power output end of the motor, and the protective cover is an arc-shaped baffle arranged on the rear side of the U-shaped structure and used for blocking dust;
the workpiece clamping device comprises two pressing blocks with the same structure, and clamping insections are arranged on opposite surfaces of the two pressing blocks to clamp the workpiece;
the clamping adjusting device comprises a fastening structure and a lead screw, one end of the lead screw is connected with the pressing block, the other end of the lead screw is in threaded connection with the fastening structure, and the height of the upper pressing block is adjusted by rotating the handle.
Preferably, the fastening structure is installed on the upper side face of the U-shaped structure on the upper side of the shell and comprises an upper adjusting portion and a lower fixing portion, the lower fixing portion is a connecting plate, the upper adjusting portion is connected with the lower fixing portion through a connecting bolt, the upper adjusting portion comprises a fixed connecting portion and a rotating portion, a rotating protrusion is arranged at the lower end of the rotating portion, a rotating groove is formed in the upper end of the fixed connecting portion, the rotating protrusion is clamped in the rotating groove, a rotating handle is arranged at the tail end of the rotating portion, and the rotating portion rotates around the fixed connecting portion as a shaft under the action of the rotating handle.
Preferably, the fixed connecting part and the rotating part are both internally provided with thread grooves matched with the screw rod.
Preferably, the compressing block comprises an upper compressing block and a lower compressing block, the upper compressing block is connected with the screw rod, the lower compressing block is installed in the shell through the height adjusting assembly, and the upper compressing block and the lower compressing block are connected through the movable connecting plate.
Preferably, the upper end lateral wall of last compact heap lower extreme lateral wall and lower compact heap on all the symmetry be provided with the joint bolt, the screw rod part of joint bolt passes the joint groove of setting on the swing joint board, and with joint groove sliding connection, installs the swing joint board at the both sides limit of last compact heap and lower compact heap.
Preferably, the height adjusting assembly is a hydraulic system consisting of four hydraulic cylinders and hydraulic pipes, the hydraulic cylinders are connected through the hydraulic pipes, and the opening and closing of the hydraulic pipes are controlled through a hydraulic control switch.
The utility model has the advantages that: the utility model discloses a safe type abrasive machine compares with prior art, the utility model discloses an improvement part lies in:
(1) the utility model discloses a safety grinder, which comprises a shell, wherein the upper part of the shell is in a U-shaped structure, a grinding device, a workpiece clamping device and a clamping adjusting device are arranged in a cavity of the U-shaped structure, and when the safety grinder is used, a workpiece can be placed on a pressing block and pressed tightly by using auxiliary tongs, so that the workpiece can be prevented from being held by a worker for grinding, and the injury of the worker caused by the high rotation of a grinding wheel is avoided;
(2) meanwhile, the clamping and adjusting device is further included, when the clamping and adjusting device is used, workers can manually rotate the handle to achieve up-adjustment or down-adjustment of the upper pressing block and achieve pressing and loosening of workpieces, and the movable connecting plates are arranged on the two side walls of the upper pressing block and the lower pressing block in a supporting mode, so that the workpieces can be effectively prevented from flying out under the action of friction force of the grinding wheel in the grinding process, the workers are protected, and accidents are reduced;
(3) when carrying out the work piece centre gripping, can utilize the height-adjusting part to adjust down the height of compact piece according to the work piece size of difference to and the angle that needs the grinding, be convenient for carry out accurate grinding to the time, in order to reach the grinding requirement of design, have structural design reasonable, convenient to use's characteristics.
Drawings
Fig. 1 is a sectional view of the side view angle of the safety grinder.
Fig. 2 is the sectional view of the main viewing angle of the safety grinding machine.
Fig. 3 is a schematic structural view of the fastening structure of the present invention.
Fig. 4 is a cross-sectional view of the fastening structure a of the present invention.
Fig. 5 is a schematic structural view of the movable connecting plate of the present invention.
Fig. 6 is a front view of the pressing block of the present invention.
Wherein: 1. the grinding wheel comprises a shell, 2. a motor, 3. a grinding wheel, 4. a protective cover, 5. a fastening structure, 51. a fixed connecting part, 511. a rotating groove, 52. a rotating part, 521. a rotating bulge, 522. a rotating handle, 6. a connecting bolt, 7. a screw rod, 8. a pressing block, 81. an upper pressing block, 82. a lower pressing block, 83. a movable connecting plate, 84. a clamping bolt, 85. a clamping groove, 86. a clamping insection, 9. a workpiece, 10. a hydraulic cylinder, 11. a hydraulic control switch and 12. a motor control switch.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.
Referring to the attached figures 1-6, the safety grinder comprises a shell 1, wherein the upper part of the shell 1 is of a U-shaped structure, and a grinding device, a workpiece clamping device and a clamping adjusting device are arranged in a cavity of the U-shaped structure; the grinding device comprises a motor 2, a grinding wheel 3 and a protective cover 4, wherein the motor 2 is arranged in a motor mounting groove on a shell 1, the opening and closing of the motor 2 are controlled through a motor control switch 12, the grinding wheel 3 is connected with a power output end of the motor 2, the motor 2 provides rotating power of the grinding wheel 3, the protective cover 4 is an arc-shaped baffle plate arranged on the rear side of a U-shaped structure, and dust generated in the grinding process is blocked by the protective cover 4; the workpiece clamping device comprises two pressing blocks 8 with the same structure, and clamping insections 86 are arranged on the opposite surfaces of the two pressing blocks 8 to clamp the workpiece 9, so that the workpiece 9 is prevented from moving due to the friction force of the grinding wheel 3 in the grinding process, and the grinding position and the grinding degree cannot meet the design requirements; the clamping adjusting device comprises a fastening structure 5 and a screw rod 7, one end of the screw rod 7 is connected with a pressing block, the other end of the screw rod is in threaded connection with the fastening structure 5, the height of the upper pressing block is adjusted by rotating a handle, and pressing and loosening of a workpiece 9 are achieved.
Preferably, the fastening structure 5 is mounted on the upper side surface of the U-shaped structure on the upper side of the housing 1, and includes an upper adjusting portion and a lower fixing portion, the lower fixing portion is a connecting plate 54, the upper adjusting portion is connected with the lower fixing portion through a connecting bolt 6, the upper adjusting portion includes a fixed connecting portion 51 and a rotating portion 52, a rotating protrusion 521 is disposed at the lower end of the rotating portion 51, a rotating groove 511 is disposed at the upper end of the fixed connecting portion 51, the rotating protrusion 521 is engaged with the rotating groove 511, and a rotating handle 522 is disposed at the tail end of the rotating portion 52, under the action of the rotating handle 522, the rotating protrusion 521 rotates in the rotating groove 511, the rotating portion 52 rotates around the fixed connecting portion 51, and through the engagement force between the threaded groove 53 disposed inside the rotating portion 52 and the screw rod 7, the screw rod 7 is driven to ascend or descend, so as to clamp and loosen the.
Preferably, in order to make the rotating handle 522 move up or down along with the screw rod 7 during the rotation process, the fixed connecting part 51 and the rotating part 52 are both provided with a thread groove 53 for cooperating with the screw rod 7.
Preferably, the pressing block 8 comprises an upper pressing block 81 and a lower pressing block 82, the upper pressing block 81 is connected with the tail end of the screw rod 7, the lower pressing block 82 is installed in the shell 1 through a height adjusting assembly, and the upper pressing block 81 and the lower pressing block 82 are connected through a movable connecting plate 83; clamping bolts 84 are symmetrically arranged on the side wall of the lower end of the upper pressing block 81 and the side wall of the upper end of the lower pressing block 82, screw rod portions of the clamping bolts 84 penetrate through clamping grooves 85 formed in the movable connecting plate 83 and are connected with the clamping grooves 85 in a sliding mode, the movable connecting plate 83 is installed on two side edges of the upper pressing block 81 and the lower pressing block 82, the clamping bolts 84 arranged on the side wall of the lower end of the upper pressing block 81 slide upwards along the clamping grooves 85 during adjustment, and a workpiece 9 is conveniently clamped between the upper pressing block 81 and the lower pressing block 82; meanwhile, the clamping bolt 84 simply slides in the clamping groove 85, so that clamping cannot be caused during adjustment, the use is convenient, and the designed movable connecting plate 83 can effectively prevent the workpiece 9 from flying out under the action of the friction force of the grinding wheel 3 in the grinding process, so that workers are protected, and accidents are reduced.
Preferably, the height adjusting assembly is a hydraulic system consisting of four hydraulic cylinders 10 and hydraulic pipes, the hydraulic cylinders 10 are connected through the hydraulic pipes, the opening and closing of the hydraulic pipes are controlled through the hydraulic control switch 11, the height of the lower pressing block can be adjusted by the height adjusting assembly according to different sizes of workpieces and required grinding angles when the height adjusting assembly is used, accurate grinding is conveniently carried out on time, the designed grinding requirements are met, and the height adjusting assembly has the advantages of being reasonable in structural design and convenient to use.
The utility model discloses a theory of operation and working process do:
(1) firstly, a workpiece 9 is placed between an upper pressing block 81 and a lower pressing block 82 according to the design requirements of a drawing, the position of the workpiece 9 is finely adjusted, the adjustment distance of the lower pressing block 82 to be adjusted is measured, then the workpiece 9 is taken out, and the height of the lower pressing block 82 is adjusted by a height adjusting assembly to enable the height to meet the grinding requirements;
(2) after the height of the lower pressing block 82 is adjusted, the workpiece 9 is placed between the upper pressing block 81 and the lower pressing block 82 again, and the position of the upper pressing block 81 is adjusted downwards by rotating the rotating handle 522, so that the workpiece 9 is pressed on the lower pressing block 82 by the upper pressing block 81;
(3) the motor control switch 12 is pressed down, the motor 2 is started to work, the grinding wheel 3 is driven to grind the workpiece 9, when one surface is ground to meet the design requirement, the upper pressing block 81 is adjusted upwards, the workpiece 9 is loosened, the steps are repeated, another position of the workpiece 9 is ground again until the requirement is met, and the motor control switch 12 is turned off.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a safe type abrasive machine which characterized in that: the grinding machine comprises a shell (1), wherein the upper part of the shell (1) is of a U-shaped structure, and a grinding device, a workpiece clamping device and a clamping adjusting device are arranged in a cavity of the U-shaped structure;
the grinding device comprises a motor (2), a grinding wheel (3) and a protective cover (4), wherein the motor (2) is arranged in a motor mounting groove on the shell (1), the grinding wheel (3) is connected with a power output end of the motor (2), and the protective cover (4) is an arc-shaped baffle arranged on the rear side of the U-shaped structure and used for blocking dust;
the workpiece clamping device comprises two pressing blocks (8) with the same structure, and clamping insections (86) are arranged on opposite surfaces of the two pressing blocks to clamp the workpiece (9); the clamping adjusting device comprises a fastening structure (5) and a screw rod (7), one end of the screw rod (7) is connected with the pressing block, the other end of the screw rod is in threaded connection with the fastening structure (5), and the height of the upper pressing block is adjusted by rotating the handle.
2. The safety grinder of claim 1, wherein: fastening structure (5) install on the last side of casing (1) upside U-shaped structure, including upper portion regulating part and lower part fixed part, the lower part fixed part is connecting plate (54), upper portion regulating part passes through connecting bolt (6) with the lower part fixed part and is connected, upper portion regulating part includes fixed connection portion (51) and rotation portion (52), the lower extreme of rotation portion (52) is provided with rotates arch (521), fixed connection portion (51) upper end is provided with rotation groove (511), it is in rotation groove (511) to rotate arch (521) block, and be provided with rotation handle (522) at the tail end of rotation portion (52), under the effect of rotation handle (522), rotation portion (52) use fixed connection portion (51) to rotate as the axle.
3. The safety grinder of claim 2, wherein: the fixed connecting part (51) and the rotating part (52) are internally provided with thread grooves (53) matched with the screw rod (7).
4. The safety grinder of claim 1, wherein: the pressing block (8) comprises an upper pressing block (81) and a lower pressing block (82), the upper pressing block (81) is connected with the screw rod (7), the lower pressing block (82) is installed in the shell (1) through a height adjusting assembly, and the upper pressing block (81) is connected with the lower pressing block (82) through a movable connecting plate (83).
5. The safety grinder of claim 4, wherein: the upper end lateral wall of going up compact heap (81) lower extreme lateral wall and lower compact heap (82) on all the symmetry be provided with joint bolt (84), the screw rod part of joint bolt (84) passes joint groove (85) of setting on swing joint board (83), and with joint groove (85) sliding connection, install swing joint board (83) at the both sides limit of last compact heap (81) and lower compact heap (82).
6. The safety grinder of claim 4, wherein: the height adjusting assembly is a hydraulic system consisting of four hydraulic cylinders (10) and hydraulic pipes, the hydraulic cylinders (10) are connected through the hydraulic pipes, and the opening and closing of the hydraulic pipes are controlled through a hydraulic control switch (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022156930.XU CN213438823U (en) | 2020-09-27 | 2020-09-27 | Safe type abrasive machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022156930.XU CN213438823U (en) | 2020-09-27 | 2020-09-27 | Safe type abrasive machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213438823U true CN213438823U (en) | 2021-06-15 |
Family
ID=76282241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022156930.XU Expired - Fee Related CN213438823U (en) | 2020-09-27 | 2020-09-27 | Safe type abrasive machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213438823U (en) |
-
2020
- 2020-09-27 CN CN202022156930.XU patent/CN213438823U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |