CN218364100U - Quick locking device of grinding machine - Google Patents
Quick locking device of grinding machine Download PDFInfo
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- CN218364100U CN218364100U CN202222693389.5U CN202222693389U CN218364100U CN 218364100 U CN218364100 U CN 218364100U CN 202222693389 U CN202222693389 U CN 202222693389U CN 218364100 U CN218364100 U CN 218364100U
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Abstract
The utility model relates to a quick locking device of a grinding machine, which comprises an outer cylinder, a detachable fixed cylinder fixed at the opening at the upper end of the outer cylinder, a movable cylinder vertically and movably arranged in the outer cylinder in an alternating way, a cylinder vertically arranged in the movable cylinder and a locking seat fixed at the opening at the lower end of the movable cylinder; the upper end of the movable cylinder extends into the fixed cylinder, the telescopic end of the air cylinder extends upwards to the outside of the upper end of the movable cylinder and is rotatably connected inside an opening at the upper end of the fixed cylinder, and the fixed end of the air cylinder is rotatably connected inside the movable cylinder; the anti-loosening mechanism is also included; the utility model discloses a locking head on the locking seat can reciprocate voluntarily, need not staff's manual operation, and then has made things convenient for the use greatly, has effectively accelerated the speed that locking head reciprocated moreover in order to improve work efficiency, can also thoroughly avoid the locking seat because of the emergence of the phenomenon of cylinder decompression rebound in order to possess higher safety protection performance with the help of locking mechanism simultaneously.
Description
Technical Field
The utility model relates to a quick locking device of grinding machine.
Background
The grinding machine is a common device for finish machining of workpieces, the vertical double-end-face grinding machine is a grinding machine which can grind the upper end face and the lower end face of a part at the same time, so that the machining efficiency is high, and the vertical double-end-face grinding machine is very suitable for machining workpieces of mass products; when in feeding and discharging, the swing arm needs to rotate a certain angle to bring the main shaft and the upper grinding disc away from the upper part of the lower grinding disc; before grinding begins, the swing arm needs to rotate back to enable the upper grinding disc to be located right above the lower grinding disc, and in order to prevent the swing arm from shaking, the swing arm needs to be firmly fixed with the machine table through a locking device; the locking head in the existing locking device can only move up and down through manual operation of workers, when the locking head moves down to the bottom and is inserted into a positioning hole formed in the top of a machine table, locking is completed, and when unlocking is performed, the locking head is pulled up to leave the positioning hole.
SUMMERY OF THE UTILITY MODEL
To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that a quick locking device of grinding machine that has made things convenient for the use greatly and has improved work efficiency, still possesses higher safety protection performance simultaneously is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a quick locking device of a grinding machine is characterized by comprising an outer cylinder, a fixed cylinder, a movable cylinder, an air cylinder and a locking seat, wherein the fixed cylinder is detachably fixed at an opening at the upper end of the outer cylinder; the upper end of the movable cylinder extends into the fixed cylinder, the telescopic end of the air cylinder extends upwards to the outside of the upper end of the movable cylinder and is rotatably connected to the inside of an opening at the upper end of the fixed cylinder, the fixed end of the air cylinder is rotatably connected to the inside of the movable cylinder, a plurality of guide sleeves which are sequentially distributed from top to bottom are embedded in the outer cylinder, each guide sleeve is sleeved outside the movable cylinder, a plurality of guide blocks which are uniformly distributed along the circumferential direction at equal angles are embedded in each guide sleeve, an arc-shaped guide post is outwards formed on the inner wall of each guide block, and the outer wall of each arc-shaped guide post is in sliding fit with the outer wall of the movable cylinder; the locking mechanism comprises a bottom block fixed on one side of the lower end of the outer cylinder, a locking seat fixed on the bottom block, a locking rod transversely and movably inserted in the locking seat, and a positioning column vertically arranged in the movable cylinder and positioned between the air cylinder and the locking seat; the outer wall of the movable cylinder is provided with a strip-shaped cavity hole, and the inner end of the anti-loosening rod is movably inserted into the strip-shaped cavity hole; the inner end of the anti-loosening rod is outwards provided with anti-loosening teeth, and correspondingly, the outer wall of the positioning column is provided with a plurality of positioning grooves which are sequentially distributed from top to bottom and are all positioned on the inner side of the strip-shaped cavity hole; the upper end and the lower end of the positioning column respectively support against the fixed end of the cylinder and the root of the locking seat, and the end part of the locking seat downwards forms a locking head.
Preferably, locking mechanism still includes U type frame, round pin axle and spanner pole, the opening part of U type frame sets up downwards and rotatable connection is on locking seat, the outer end of locking pole stretches into at U type frame inboard, the outer end at locking pole is fixed in the horizontal interlude of round pin axle, the arc wall that a mutual symmetry set up is all seted up at the both ends of U type frame, the both ends of round pin axle are the activity respectively and are inserted in two arc walls, the top at U type frame is fixed to the spanner pole.
Preferably, the guide blocks in any one guide sleeve and the guide blocks in an adjacent guide sleeve are distributed at intervals.
Preferably, the outer wall of the movable cylinder is further provided with vertically distributed limiting grooves, correspondingly, one side of the outer cylinder is further inserted and screwed with transversely arranged limiting screws, and the threaded ends of the limiting screws penetrate through a corresponding guide sleeve and are movably inserted into the limiting grooves.
Preferably, a limiting block is further fixed on the outer wall of one side of the upper end of the movable barrel, and the limiting block is matched with an opening at the upper end of the outer barrel.
Preferably, a detachable barrel cover is further fixed at an opening at the upper end of the fixed barrel.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a locking head on the locking seat can reciprocate voluntarily, need not staff's manual operation, and then has made things convenient for the use greatly, has effectively accelerated the speed that locking head reciprocated moreover in order to improve work efficiency, can also thoroughly avoid the locking seat because of the emergence of the phenomenon of cylinder decompression rebound in order to possess higher safety protection performance with the help of locking mechanism simultaneously.
Drawings
FIG. 1 is a view showing a structure of a top side of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a structural diagram of the guide block of the present invention.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To keep the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known parts of the invention has been omitted.
As shown in fig. 1 to 3, a quick locking device of a grinding machine comprises an outer cylinder 1, a fixed cylinder 2 detachably fixed at an opening at the upper end of the outer cylinder 1, a movable cylinder 4 vertically and movably inserted into the outer cylinder 1, an air cylinder 7 vertically arranged inside the movable cylinder 4, and a locking seat 5 fixed at an opening at the lower end of the movable cylinder 4; the upper end of the movable cylinder 4 extends into the fixed cylinder 2, the telescopic end of the air cylinder 7 extends upwards to the outside of the upper end of the movable cylinder 4 and is rotatably connected into an opening at the upper end of the fixed cylinder 2, the fixed end of the air cylinder 7 is rotatably connected into the movable cylinder 4, a plurality of guide sleeves 3 which are sequentially distributed from top to bottom are embedded into the outer cylinder 1, each guide sleeve 3 is sleeved outside the movable cylinder 4, a plurality of guide blocks 8 which are uniformly distributed along the circumferential direction at equal angles are embedded into each guide sleeve 3, an arc-shaped guide column 81 is outwards formed on the inner wall of each guide block 8, and the outer wall of each arc-shaped guide column 81 is in sliding fit with the outer wall of the movable cylinder 4; the locking mechanism comprises a bottom block 10 fixed on one side of the lower end of the outer cylinder 1, a locking seat 9 fixed on the bottom block 10, a locking rod 12 transversely and movably inserted in the locking seat 9, and a positioning column 6 vertically arranged in the movable cylinder 4 and positioned between the air cylinder 7 and the locking seat 5; a strip-shaped cavity hole 41 is formed in the outer wall of the movable barrel 4, and the inner end of the anti-loosening rod 12 is movably inserted into the strip-shaped cavity hole 41; the inner end of the anti-loosening rod 12 is outwards provided with anti-loosening teeth 121, and correspondingly, the outer wall of the positioning column 6 is provided with a plurality of positioning grooves 61 which are sequentially distributed from top to bottom and are all positioned at the inner side of the strip-shaped cavity hole 41; the upper end and the lower end of the positioning column 6 are respectively tightly pressed against the fixed end of the cylinder 7 and the root of the locking seat 5, and the end of the locking seat 5 is downward to form a locking head 51.
The anti-loosening mechanism further comprises a U-shaped frame 11, a pin shaft 14 and a wrench rod 13, wherein the opening of the U-shaped frame 11 is downwards arranged and rotatably connected to the anti-loosening seat 9, the outer end of the anti-loosening rod 12 extends into the inner side of the U-shaped frame 11, the pin shaft 14 is transversely inserted and fixed at the outer end of the anti-loosening rod 12, two ends of the U-shaped frame 11 are respectively provided with an arc-shaped groove 111 which are symmetrically arranged, two ends of the pin shaft 14 are respectively movably inserted into the two arc-shaped grooves 111, and the wrench rod 13 is fixed at the top of the U-shaped frame 11.
The guide blocks 8 in any one guide sleeve 3 and the guide blocks 8 in the adjacent guide sleeve 3 are distributed at intervals.
The outer wall of the movable barrel 4 is further provided with vertically distributed limiting grooves 42, correspondingly, one side of the outer barrel 1 is further inserted and screwed with transversely arranged limiting screws 15, and the threaded ends of the limiting screws 15 penetrate through the corresponding guide sleeves 3 and are movably inserted into the limiting grooves 42.
A limiting block 16 is further fixed on the outer wall of one side of the upper end of the movable barrel 4, and the limiting block 16 is matched with the opening of the upper end of the outer barrel 1.
A detachable barrel cover 17 is also fixed at the opening at the upper end of the fixed barrel 2.
The working principle is as follows: the outer cylinder 1 is vertically arranged at the bottom of a swing arm of a grinding machine and is positioned above a machine table, after the swing arm of the grinding machine rotates to a preset position, a telescopic end of a driving cylinder 7 extends outwards, and the telescopic end of the cylinder 7 is fixed on a fixed cylinder 2 and cannot move, so that a fixed end of the cylinder 7 is pushed to move downwards according to the principle of reaction force, and a movable cylinder 4 is driven to move vertically downwards until a locking head 51 on a locking seat 5 is inserted into a locking hole at the top of the machine table, and locking is further completed to prevent the swing arm from shaking; when the swing arm of the grinding machine needs to be removed again, the telescopic end of the driving cylinder 7 contracts inwards to drive the movable cylinder 4 to vertically move upwards according to the same principle until the locking head 51 completely leaves the locking hole at the top of the machine table.
Once the cylinder 7 fails and loses pressure, the telescopic end of the cylinder 7 suddenly contracts inwards, so that the swing arm is lack of constraint when the grinding machine works; when the locking is completed, the wrench rod 13 can be held by hand and pushed towards the outer cylinder 1 if necessary, and the locking rod 12 is pushed by the pin 14 to move towards the movable cylinder 4 and extend into the strip-shaped cavity 41 until the locking tooth 121 is inserted into one of the positioning slots 61; thus, even if the movable cylinder 4 moves upward due to the pressure loss of the cylinder 7, the locking rod 12 can clamp the positioning column 6 by the mutual matching of the locking teeth 121 and the positioning groove 61, so as to prevent the movable cylinder 4 from moving upward to ensure that the locking head 51 is always inserted into the locking hole at the top of the machine.
When the movable cylinder 4 moves up and down, the outer wall of the movable cylinder 4 can slide relatively along the outer walls of the arc-shaped guide posts 81 on the plurality of guide blocks 8 on each guide sleeve 3, so that the verticality and the stability of the movable cylinder 4 during movement are effectively guaranteed.
When the lower end and the upper end of the limit groove 42 respectively abut against the thread ends of the limit screws 15, the movable cylinder 4 respectively reaches the limit positions in the upward moving process and the downward moving process, so that excessive movement of the movable cylinder 4 is effectively prevented; meanwhile, when the movable cylinder 4 moves downwards, if the limiting block 16 abuts against the opening at the upper end of the outer cylinder 1, the movable cylinder 4 also reaches the limit position in the downward movement process, and further the excessive movement of the movable cylinder 4 is prevented.
The utility model discloses a locking head 51 on the locking seat 5 can reciprocate automatically, need not staff's manual operation, and then has made things convenient for the use greatly, has effectively accelerated the speed that locking head 51 reciprocated moreover in order to improve work efficiency, can also thoroughly avoid the emergence of locking seat 5 because of the phenomenon of cylinder 7 decompression rebound in order to possess higher safety protection performance with the help of locking mechanism simultaneously.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A quick locking device of a grinding machine is characterized by comprising an outer cylinder, a fixed cylinder, a movable cylinder, an air cylinder and a locking seat, wherein the fixed cylinder is detachably fixed at an opening at the upper end of the outer cylinder; the upper end of the movable cylinder extends into the fixed cylinder, the telescopic end of the air cylinder extends upwards to the outside of the upper end of the movable cylinder and is rotatably connected to the inside of an opening at the upper end of the fixed cylinder, the fixed end of the air cylinder is rotatably connected to the inside of the movable cylinder, a plurality of guide sleeves which are sequentially distributed from top to bottom are embedded in the outer cylinder, each guide sleeve is sleeved outside the movable cylinder, a plurality of guide blocks which are uniformly distributed along the circumferential direction at equal angles are embedded in each guide sleeve, an arc-shaped guide post is outwards formed on the inner wall of each guide block, and the outer wall of each arc-shaped guide post is in sliding fit with the outer wall of the movable cylinder; the locking mechanism comprises a bottom block fixed on one side of the lower end of the outer cylinder, a locking seat fixed on the bottom block, a locking rod transversely and movably inserted in the locking seat, and a positioning column vertically arranged in the movable cylinder and positioned between the air cylinder and the locking seat; a strip-shaped cavity hole is formed in the outer wall of the movable cylinder, and the inner end of the anti-loosening rod is movably inserted into the strip-shaped cavity hole; the inner end of the anti-loosening rod is outwards provided with anti-loosening teeth, and correspondingly, the outer wall of the positioning column is provided with a plurality of positioning grooves which are sequentially distributed from top to bottom and are all positioned at the inner side of the strip-shaped cavity hole; the upper end and the lower end of the positioning column respectively prop against the fixed end of the air cylinder and the root of the locking seat, and the end part of the locking seat downwards forms a locking head.
2. The quick locking device of the grinding machine as claimed in claim 1, wherein the anti-loosening mechanism further comprises a U-shaped frame, a pin shaft and a wrench rod, the opening of the U-shaped frame is arranged downwards and rotatably connected to the anti-loosening seat, the outer end of the anti-loosening rod extends into the inner side of the U-shaped frame, the pin shaft is transversely inserted and fixed at the outer end of the anti-loosening rod, two ends of the U-shaped frame are respectively provided with an arc-shaped groove which is symmetrically arranged, two ends of the pin shaft are respectively and movably inserted into the two arc-shaped grooves, and the wrench rod is fixed at the top of the U-shaped frame.
3. The quick lock apparatus of a grinding machine as claimed in claim 1, wherein a plurality of said guide blocks of any one guide sleeve are spaced from a plurality of guide blocks of an adjacent guide sleeve.
4. The quick locking device of the grinding machine as claimed in claim 1, wherein the outer wall of the moving cylinder is further provided with vertically distributed limiting grooves, correspondingly, one side of the outer cylinder is further inserted and screwed with transversely arranged limiting screws, and the threaded ends of the limiting screws penetrate through a corresponding guide sleeve and are movably inserted into the limiting grooves.
5. The quick locking device of the grinding machine as claimed in claim 1, wherein a limiting block is further fixed on the outer wall of one side of the upper end of the movable cylinder, and the limiting block is matched with the opening of the upper end of the outer cylinder.
6. The quick locking device of the grinding machine as claimed in claim 1, wherein a detachable cover is further fixed at the opening at the upper end of the fixed cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222693389.5U CN218364100U (en) | 2022-10-13 | 2022-10-13 | Quick locking device of grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222693389.5U CN218364100U (en) | 2022-10-13 | 2022-10-13 | Quick locking device of grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218364100U true CN218364100U (en) | 2023-01-24 |
Family
ID=84929221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222693389.5U Active CN218364100U (en) | 2022-10-13 | 2022-10-13 | Quick locking device of grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218364100U (en) |
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2022
- 2022-10-13 CN CN202222693389.5U patent/CN218364100U/en active Active
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