CN218592677U - Automatic turnover mechanism for grinding wheel protection gland of numerical control grinding machine - Google Patents
Automatic turnover mechanism for grinding wheel protection gland of numerical control grinding machine Download PDFInfo
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- CN218592677U CN218592677U CN202222359624.5U CN202222359624U CN218592677U CN 218592677 U CN218592677 U CN 218592677U CN 202222359624 U CN202222359624 U CN 202222359624U CN 218592677 U CN218592677 U CN 218592677U
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Abstract
The utility model provides an automatic turnover mechanism of a grinding wheel protection gland of a numerical control grinding machine, which comprises a hydraulic oil cylinder rotationally arranged on a grinding frame body of the numerical control grinding machine; a supporting block is arranged on one side of the upper end part of the grinding frame body, which is far away from the grinding wheel, and a grinding wheel protection gland is rotationally connected with the upper end part of the grinding frame body through a positioning shaft on the supporting block; a cylinder rod of the hydraulic cylinder is rotatably connected with a rotary protection device arranged on one side of the grinding wheel protection gland through a single elbow joint; when the grinding wheel protection gland is closed, the grinding wheel protection gland is completely meshed with a grinding wheel spindle steel sleeve by the grinding wheel spindle steel sleeve and the grinding frame body. The utility model provides an automatic tilting mechanism of numerically control grinder emery wheel protection gland, the speed of opening and shutting is adjustable, saves hoist and mount emery wheel main shaft assistance time, alleviates workman's intensity of labour, saves time, laborsaving and safety.
Description
Technical Field
The utility model relates to a relevant technical field of numerically control grinder, concretely relates to automatic tilting mechanism of numerically control grinder emery wheel protection gland.
Background
At present, when a grinding wheel is replaced or a grinding wheel spindle is maintained on a double-support grinding wheel spindle of a domestic wide grinding wheel centerless grinding machine, a grinding wheel protection gland is required to be opened, and the opening method is realized by adopting lifting, namely, a workshop crane is adopted, a rope lifting hook is hung, a lifting ring screw screwed on an upper protection gland is hooked, and a protection cover is lifted upwards and lifted and transported to a nearby safe place. After the grinding wheel is replaced, the grinding wheel protection gland is lifted back by a travelling crane, the installation datum is well butted, and the protection gland is closed. In some workshops, a grinding wheel cantilever hoisting device is arranged beside a machine tool to hoist a protective gland. This method of opening and closing the protective gland of the grinding wheel has its limitations: 1) An auxiliary hoisting device outside the machine tool is needed; 2) The protective gland on the grinding wheel is heavy, the mounting position is high, and the lifting tool adopts a rope lifting hook, so that the lifting tool can swing and swing, and the safety is poor; 3) When the grinding wheel protection gland is closed, the installation position needs to be calibrated, so that the grinding wheel protection gland is correctly meshed with the grinding frame body.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an automatic turnover mechanism of a protective gland of a grinding wheel of a numerical control grinding machine.
In order to realize the aim, the utility model provides an automatic turnover mechanism of a grinding wheel protective gland of a numerical control grinding machine, which comprises a hydraulic oil cylinder rotationally arranged on a grinding frame body of the numerical control grinding machine; a supporting block is arranged on one side of the upper end part of the grinding frame body, which is far away from the grinding wheel, and a grinding wheel protection gland is rotationally connected with the upper end part of the grinding frame body through a positioning shaft on the supporting block; a cylinder rod of the hydraulic cylinder is rotatably connected with a rotary protection device arranged on one side of the grinding wheel protection gland through a single elbow joint; when the grinding wheel protection gland is closed, the grinding wheel protection gland is completely meshed with a grinding wheel spindle steel sleeve by the grinding wheel spindle steel sleeve and the grinding frame body.
As the preferred arrangement of the utility model, a left bracket of the oil cylinder is fixed on the mill frame body, and a right bracket of the oil cylinder is fixed on the left bracket of the oil cylinder; two ends of a middle trunnion of the hydraulic oil cylinder are respectively arranged on the left oil cylinder support and the right oil cylinder support, and the hydraulic oil cylinder rotates and swings around the middle trunnion.
As the utility model discloses an it sets up to prefer, gyration protection device is including gyration piece and fixed block, the fixed block is fixed in on the emery wheel protection gland, the gyration piece rotates with the fixed block to be connected, single elbow joint with the gyration piece rotates to be connected.
As the utility model discloses an optimal setting, gyration piece one side is provided with the interlock groove, the interlock of interlock groove the fixed block.
As the preferable arrangement of the utility model, the section of the occluded part on the fixed block is rectangular; the cross section of the occlusion groove is of a right trapezoid structure, wherein the upper bottom and the lower bottom of the right trapezoid correspond to the long sides of the rectangle, and the two waist lines of the right trapezoid correspond to the short sides of the rectangle.
As the preferred arrangement of the utility model, the idle stroke rotation angle between the rotation block and the fixed block is-2 to 5.73 degrees.
As the utility model discloses an optimal setting the one end lower part that emery wheel was kept away from to emery wheel protection gland is provided with spacing protection and hits the piece.
As the utility model discloses an it sets up to prefer, spacing protection hits the piece and is the rubber material.
As the utility model discloses an it sets up to prefer when emery wheel protection gland and the mill frame body are closed, will through nut and thick gasket emery wheel protection gland and the locking of mill frame body.
The utility model has the advantages that:
the utility model is used for automatic upset protection gland when opening and closing emery wheel protection gland. When the grinding wheel protection gland is opened and the oil cylinder rod extends out, the rotary protection device is pushed, the grinding wheel protection gland is jacked to rotate around the positioning shaft, the stroke of the oil cylinder is completed, the protection gland is rotated to open a certain angle, and the grinding wheel spindle is convenient to hoist; when the grinding wheel protection gland is closed, the oil cylinder rod retracts, the protection gland presses the rotary protection device to rotate around the positioning shaft, the protection gland is closed with the grinding frame body, the grinding wheel protection gland is correctly meshed with the grinding frame body, and when the stroke of the oil cylinder reaches the end, the idle stroke in the rotary protection device protects the oil cylinder from being in a free state and is not subjected to external force. The utility model provides an automatic tilting mechanism of numerically control grinder emery wheel protection gland, the speed of opening and shutting is adjustable, saves hoist and mount emery wheel main shaft auxiliary time, alleviates workman's intensity of labour, saves time, laborsaving and the security is high.
Drawings
FIG. 1 is a schematic structural view of the present invention in a closed state of a grinding wheel protection gland;
FIG. 2 is a schematic structural view of the present invention in an open state of the grinding wheel protection gland;
FIG. 3 isbase:Sub>A cross-sectional view A-A of the swing protector of FIG. 1;
FIG. 4 is a cross-sectional view B-B of FIG. 4;
fig. 5 is a schematic view of the state of the rotation protection device during idle rotation.
Wherein: 1-intermediate trunnion; 2-oil cylinder right support; 3-left support of the oil cylinder; 4-grinding the frame body; 5-a hydraulic oil cylinder; 6-grinding wheel; 7-grinding wheel protection gland; 8-single elbow joint; 9-a rotation protection device; 10-a gasket; 11-a nut; 12-a support block; 13-positioning the shaft; 14-limiting protection collision block; 15-a turning block; 16-fixing block; 17-a set screw; 18-set screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, the utility model provides an automatic turnover mechanism for a grinding wheel protective gland of a numerically controlled grinding machine, which comprises a hydraulic oil cylinder 5 rotatably mounted on a grinding frame body 4 of the numerically controlled grinding machine; a supporting block 12 is arranged on one side of the upper end part of the grinding frame body 4, which is far away from the grinding wheel 6, and a grinding wheel protection gland 7 is rotatably connected through a positioning shaft 13 on the supporting block 12; a cylinder rod of the hydraulic cylinder 5 is rotatably connected with a rotary protection device 9 arranged on one side of the grinding wheel protection gland 7 through a single elbow joint 8; when the grinding wheel protection gland 7 is closed, the grinding wheel protection gland and the grinding frame body 4 are completely meshed with a steel sleeve of a grinding wheel spindle.
As a preferred arrangement of the embodiment of the present invention, further, an oil cylinder left bracket 3 is fixed on the mill frame body 4, and an oil cylinder right bracket 2 is fixed on the oil cylinder left bracket 3; the middle trunnions 1 on the two sides of the hydraulic oil cylinder 5 are respectively arranged on the oil cylinder left support 3 and the oil cylinder right support 2, and the hydraulic oil cylinder 5 rotates and swings around the middle trunnions 1.
As the utility model discloses the preferred setting of embodiment, furtherly, gyration protection device 9 includes gyration piece 15 and fixed block 16, fixed block 16 is fixed in on the emery wheel protection gland 7, gyration piece 15 rotates with fixed block 16 to be connected, single elbow joint 8 with gyration piece 15 rotates to be connected. Further, the fixed block 16 is fixed on the grinding wheel protection gland 7 through a fixing screw 17 and a positioning screw 18, wherein the fixing screw 17 simultaneously penetrates through the rotary block 15 and the fixed block 16, and the rotary block 15 can rotate around the fixing screw 17.
As an optimal arrangement of the embodiment of the present invention, further, the rotation block 15 is provided with an engagement groove on one side, and the engagement groove engages with the fixing block 16. The section of the occluded part on the fixed block 16 is rectangular; the cross section of the occlusion groove is of a right trapezoid structure, wherein the upper bottom and the lower bottom of the right trapezoid correspond to the long sides of the rectangle, and the two waist lines of the right trapezoid correspond to the short sides of the rectangle. Furthermore, due to the rectangular structure of the meshing groove and the rectangular structure of the meshed part, a free-running rotation angle of-2 degrees to 5.73 degrees can be formed between the rotation block 15 and the fixed block 16. When the oil cylinder stroke reaches the end, the idle stroke in the rotary protection device protects the oil cylinder from being in a free state and is free from external force.
As the preferred setting of the embodiment of the present invention, further, the lower part of the end of the grinding wheel protection gland 7 away from the grinding wheel 6 is provided with a limit protection bump 14. Further, the limiting protection bump 14 is made of rubber. The limiting protection collision block 14 prevents the hydraulic oil cylinder 5 from being broken down or damaged, or prevents the gravity center of the grinding wheel protection gland 7 from rushing over the positioning shaft 13 when the parts are machined in error, the limiting protection collision block 14 can realize the buffer between the grinding wheel protection gland 7 and the grinding frame body 4 under the condition, and can limit the rotation angle of the grinding wheel protection gland 7 and protect the safety of a machine tool or an operator.
As the preferred setting of the embodiment of the utility model provides a, furtherly when emery wheel protection gland 7 and the mill frame body 4 are closed, will through nut 11 and gasket 10 emery wheel protection gland 7 and the locking of mill frame body 4.
The utility model provides an automatic tilting mechanism of numerically control grinder emery wheel protection gland opens and closes two kinds of action flows as follows respectively:
1. opening the grinding wheel protection gland to act:
1) An operator unscrews the nut 11 between the grinding wheel protection gland 7 and the grinding frame body 4 (two nuts are arranged on two sides of the grinding wheel protection gland 7), and takes down the nut 11 and the thick washer 10;
2) Starting the hydraulic oil cylinder 5, feeding oil into the hydraulic oil cylinder 5, and extending an oil cylinder rod;
3) The hydraulic oil cylinder 5 pushes the rotary protection device 9 to drive the grinding wheel protection gland 7 to rotate around the positioning shaft 13, and meanwhile, the hydraulic oil cylinder 5 rotationally swings around the middle trunnion 1 of the hydraulic oil cylinder 5;
4) When the stroke of the hydraulic oil cylinder 5 is finished, the gravity center of the grinding wheel protection gland 7 stays between the positioning shaft 13 and the rotary protection device 9, and the hydraulic oil cylinder 5 pushes against the grinding wheel protection gland 7 without allowing the gland to fall down;
5) The limit protection collision block 14 plays a role in preventing, protecting and preventing collision. The limiting protection collision block 14 prevents the hydraulic oil cylinder 5 from being broken down or damaged, or prevents the gravity center of the grinding wheel protection gland 7 from rushing over the positioning shaft 13 when parts are machined in error, and the limiting protection collision block 14 is clamped between the grinding wheel protection gland 7 and the grinding frame body 4 to realize buffering, and meanwhile, the rotation angle of the grinding wheel protection gland 7 is limited, and the safety of a machine tool or an operator is protected.
2. Closing the grinding wheel protection gland:
1) After the grinding wheel is replaced, the main shaft is placed back to the grinding frame body 4, the operator operates the hydraulic oil cylinder 5 again, the hydraulic oil cylinder 5 returns oil, and the cylinder rod retracts;
2) The grinding wheel protection gland 7 rotates around the positioning shaft 13, slowly falls back, and is finally pressed on the grinding frame body 4;
3) The oil cylinder rod continues to retract, the rotation protection device 9 releases the idle stroke rotation angle, the hydraulic oil cylinder 5 is in a free state when the stroke is finished, and the oil cylinder rod does not bear external force. The idle rotation angle of the rotation protection device is-2 to 5.73 degrees;
4) The nut 11 and the gasket 10 are replaced, and the nut 11 between the grinding wheel protection gland 7 and the grinding wheel frame body 4 is screwed down.
The grinding wheel protection gland 7 is opened and closed to rotate around the positioning shaft 13, so that the positions of the grinding wheel protection gland 7 are consistent when the grinding wheel protection gland 7 is opened and closed, and the grinding wheel protection gland 7 is correctly meshed with the grinding frame body 4 for the grinding wheel spindle steel sleeve after being closed.
To sum up, the utility model is used for open and close automatic upset protection gland when emery wheel protection gland. When the grinding wheel protection gland is opened and the oil cylinder rod extends out, the rotary protection device is pushed, the grinding wheel protection gland is jacked to rotate around the positioning shaft, the stroke of the oil cylinder is completed, the protection gland is rotated to open a certain angle, and the grinding wheel spindle is convenient to hoist; when the grinding wheel protection gland is closed, the oil cylinder rod retracts, the protection gland presses the rotary protection device to rotate around the positioning shaft, the protection gland is closed with the grinding frame body, the grinding wheel protection gland is correctly meshed with the grinding frame body, and when the stroke of the oil cylinder reaches the end, the idle stroke in the rotary protection device protects the oil cylinder from being in a free state and is not subjected to external force. The utility model provides an automatic tilting mechanism of numerically control grinder emery wheel protection gland, the speed of opening and shutting is adjustable, saves hoist and mount emery wheel main shaft assistance time, alleviates workman's intensity of labour, saves time, laborsaving and safety.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
Claims (9)
1. An automatic turnover mechanism for a grinding wheel protection gland of a numerically controlled grinding machine is characterized by comprising a hydraulic oil cylinder which is rotatably arranged on a grinding frame body of the numerically controlled grinding machine; a supporting block is arranged on one side of the upper end part of the grinding frame body, which is far away from the grinding wheel, and a grinding wheel protection gland is rotationally connected with the upper end part of the grinding frame body through a positioning shaft on the supporting block; a cylinder rod of the hydraulic cylinder is rotatably connected with a rotary protection device arranged on one side of the grinding wheel protection gland through a single elbow joint; when the grinding wheel protection gland is closed, the grinding wheel protection gland is completely meshed with a grinding wheel spindle steel sleeve by the grinding wheel spindle steel sleeve and the grinding frame body.
2. The automatic turnover mechanism for the protective gland of the grinding wheel of the numerical control grinding machine as claimed in claim 1, wherein a left oil cylinder bracket is fixed on the grinding frame body, and a right oil cylinder bracket is fixed on the left oil cylinder bracket; two ends of a middle trunnion of the hydraulic oil cylinder are respectively arranged on the left oil cylinder support and the right oil cylinder support, and the hydraulic oil cylinder rotates and swings around the middle trunnion.
3. The automatic turnover mechanism for the grinding wheel protection gland of the numerically controlled grinding machine as claimed in claim 1, wherein the rotation protection device comprises a rotation block and a fixed block, the fixed block is fixed on the grinding wheel protection gland, the rotation block is rotatably connected with the fixed block, and the single elbow joint is rotatably connected with the rotation block.
4. The automatic turnover mechanism for the grinding wheel protective gland of the numerical control grinding machine as claimed in claim 3, wherein a meshing groove is formed in one side of the rotary block, and the meshing groove is meshed with the fixed block.
5. The automatic turnover mechanism for the grinding wheel protective gland of the numerical control grinding machine as claimed in claim 4, wherein the section of the occluded part on the fixed block is rectangular; the section of the occlusion groove is of a right trapezoid structure, wherein the upper bottom and the lower bottom of the right trapezoid correspond to the long sides of the rectangle, and the two waist lines of the right trapezoid correspond to the short sides of the rectangle.
6. The automatic turnover mechanism for the grinding wheel protective gland of the numerical control grinding machine as claimed in claim 5, wherein a lost motion rotation angle between the rotation block and the fixed block is-2 ° to 5.73 °.
7. The automatic turnover mechanism for the grinding wheel protection gland of the numerical control grinding machine as claimed in claim 1, wherein a limiting protection collision block is arranged at the lower part of one end of the grinding wheel protection gland, which is far away from a grinding wheel.
8. The automatic turnover mechanism for the protective gland of the grinding wheel of the numerical control grinding machine as claimed in claim 7, wherein the limiting protective collision block is made of rubber.
9. The automatic turnover mechanism for the grinding wheel protection gland of the numerically controlled grinding machine as claimed in claim 1, wherein when the grinding wheel protection gland is closed with the grinding frame body, the grinding wheel protection gland is locked with the grinding frame body through a nut and a gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222359624.5U CN218592677U (en) | 2022-09-06 | 2022-09-06 | Automatic turnover mechanism for grinding wheel protection gland of numerical control grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222359624.5U CN218592677U (en) | 2022-09-06 | 2022-09-06 | Automatic turnover mechanism for grinding wheel protection gland of numerical control grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218592677U true CN218592677U (en) | 2023-03-10 |
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ID=85398167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222359624.5U Active CN218592677U (en) | 2022-09-06 | 2022-09-06 | Automatic turnover mechanism for grinding wheel protection gland of numerical control grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218592677U (en) |
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2022
- 2022-09-06 CN CN202222359624.5U patent/CN218592677U/en active Active
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