CN111673620A - Integrated coarse and fine adjusting device - Google Patents
Integrated coarse and fine adjusting device Download PDFInfo
- Publication number
- CN111673620A CN111673620A CN202010616441.XA CN202010616441A CN111673620A CN 111673620 A CN111673620 A CN 111673620A CN 202010616441 A CN202010616441 A CN 202010616441A CN 111673620 A CN111673620 A CN 111673620A
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- Prior art keywords
- nut
- fine
- fine adjustment
- coarse
- screw rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a machine element adjusting device, in particular to an integrated rough and fine adjusting device which is used for realizing quick/slow movement of a machine element. The method comprises the following steps: the two ends of the screw are provided with a coarse adjustment mechanism and a fine adjustment mechanism, one end of the screw connected with the fine adjustment mechanism is fixedly connected through a fixed connecting piece, and one end of the screw connected with the coarse adjustment mechanism is connected to the machine body of the machine part; the fine adjustment mechanism and the fixed connecting piece form a fixed end, and the coarse adjustment mechanism and the machine body form a movable end together; the design concept of integrating coarse adjustment and fine adjustment is adopted to make up the defects that the original function is single and only coarse adjustment or fine adjustment can be realized, so that the machine part can be moved quickly/slowly; the requirements of high standard working conditions are met; the adjusting time of the machine tool is prolonged, the accuracy and the reliability of adjustment are guaranteed, and the normal production flow of a workshop is guaranteed.
Description
Technical Field
The invention relates to a machine element adjusting device, in particular to an integrated rough and fine adjusting device which is used for realizing quick/slow movement of a machine element.
Background
In machining, the existing machine tools, such as a flange grinder and a groove grinder, need to be roughly and finely adjusted.
The technical defects of the part adjusting device in the prior art are as follows: the adjustment form is single, the fine adjustment cannot be realized by realizing fast forward, and the quick adjustment cannot be realized by realizing the fine adjustment; the high standard working condition requirement cannot be realized.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides an integrated coarse and fine adjustment device, which can perform coarse adjustment and fine adjustment for fast/slow movement of a machine member to meet the requirements of high-standard working conditions.
In order to achieve the purpose, the invention adopts the technical scheme that: coarse and fine adjusting device of integration includes: the two ends of the screw are provided with a coarse adjustment mechanism and a fine adjustment mechanism, one end of the screw connected with the fine adjustment mechanism is fixedly connected through a fixed connecting piece, and one end of the screw connected with the coarse adjustment mechanism is connected to the machine body of the machine part;
the fine adjustment mechanism and the fixed connecting piece form a fixed end, and the coarse adjustment mechanism and the machine body form a movable end together;
the machine body is roughly adjusted by rotating the screw rod, so that the machine body can move quickly; the machine body is finely adjusted by adjusting the fine adjustment mechanism, so that the machine body moves relatively slowly;
furthermore, the coarse adjustment mechanism and the fine adjustment mechanism are respectively connected with the screw rod through threads; the coarse adjustment mechanism and the fine adjustment mechanism are arranged on the screw in a penetrating mode, a first external thread area is arranged at the joint of the screw and the coarse adjustment mechanism, and a second external thread area is arranged at the joint of the screw and the fine adjustment mechanism;
further, the coarse adjustment mechanism comprises: the inner wall of the coarse adjusting nut is provided with an internal thread matched with the first external thread; the coarse adjustment nut can move in a first thread area of the screw;
furthermore, the coarse adjusting nut is a hexagonal nut, and the outer wall of the coarse adjusting nut is of a six-sided surrounding structure;
furthermore, the end surfaces of two sides of the coarse adjustment nut are fixedly connected with the machine body; a gasket is arranged outside the coarse adjustment nut; the inner wall of the gasket is in a V-shaped structure, and the outer wall of the coarse adjustment nut is in a hexagonal structure, so that the V-shaped structure is matched with the outer wall of the coarse adjustment nut in shape;
furthermore, the gasket is arranged on the machine body and used for overcoming the rotation torque of the nut when the coarse adjustment nut rotates along with the screw rod and playing a role in fastening and positioning the coarse adjustment nut; the rough adjusting nut and the machine body are prevented from being broken;
further, the fine adjustment mechanism includes: the fine adjustment nut, the fine adjustment nut wrench, the first combined bearing, the second combined bearing, the bearing outer seat and the fixed connecting piece; the inner wall of the fine adjusting nut is provided with an internal thread matched with the second external thread; the fine adjustment nut can move in a second thread area of the screw; a first combined bearing and a second combined bearing are arranged between the fine adjusting nut and the bearing outer seat, and the bearing outer seat is fixed through a fixed connecting piece; the fine adjusting nut is connected with the fine adjusting nut wrench through a flat key, and a locking nut is further arranged on the fine adjusting nut close to one side of the fine adjusting nut wrench; when fine adjustment is needed, the locking nut is disassembled, the fine adjustment nut wrench is rotated, and the fine adjustment nut is driven to rotate by the fine adjustment nut wrench;
furthermore, the first combined bearing and the second combined bearing are combined bearings capable of bearing axial force and radial force; when coarse adjustment is carried out, the force generated by the rotation of the screw rod acts on the axial direction of the bearing, namely the end surface of the bearing; when fine adjustment is carried out, the fine adjustment nut rotates to generate force to act on the radial direction of the bearing, namely the cylindrical surface of the bearing; the combination bearing is arranged, so that the moving fluency of the cylindrical surface and the end surface of the bearing can be ensured;
furthermore, the thread pitch of the first thread area on the screw is larger than that of the second thread area on the screw;
when the machine body needs to be roughly adjusted, a wrench is used for rotating a screw rod between the rough adjusting mechanism and the fine adjusting mechanism; in the rotating process, at one end of the fine adjustment mechanism, the screw rod and the fine adjustment nut rotate together in the bearing outer seat through the combined bearing, and at the moment, the screw rod and the fine adjustment nut do not rotate relatively; at one end of the coarse adjustment mechanism, the screw rod is matched with the thread of the coarse adjustment nut, and the screw rod rotates to enable the screw rod and the coarse adjustment nut to rotate, so that relative displacement is generated between the coarse adjustment nut and the screw rod; the thread space of the coarse adjustment nut is large, so that the machine body can move quickly;
when the machine body needs to be finely adjusted, the fine adjusting nut is rotated in situ relative to the screw rod through threads by operating the fine adjusting nut wrench, and because the screw pitch of the front end of the screw rod and the coarse adjusting nut is large and the friction force is greater than the matching of the rear end of the screw rod and the fine adjusting nut, the screw rod cannot rotate when the fine adjusting nut is rotated, but the screw rod can drive the whole coarse adjusting mechanism to generate relative displacement relative to the fine adjusting mechanism, so that the machine body is pushed to advance; and the fine adjustment nut has a smaller thread pitch, so that the machine body can move slowly.
The invention has the beneficial effects that:
the design concept of integrating coarse adjustment and fine adjustment is adopted to make up the defects that the original function is single and only coarse adjustment or fine adjustment can be realized, so that the machine part can be moved quickly/slowly; the requirements of high standard working conditions are met; the adjusting time of the machine tool is prolonged, the accuracy and the reliability of adjustment are guaranteed, and the normal production flow of a workshop is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a nut is roughly adjusted; 2. a screw; 3. fine adjusting the nut; 4. a first combination bearing; 5. a second combination bearing; 6. finely adjusting the nut wrench; 7. The bearing comprises a machine body, 8, a fixed connecting piece, 9, a bearing outer seat, 10, a gasket, 11 and a locking nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the integrated rough and fine adjustment device includes: the two ends of the screw rod 2 are provided with a coarse adjustment mechanism and a fine adjustment mechanism, one end of the screw rod connected with the fine adjustment mechanism is fixedly connected through a fixed connecting piece 8, and one end of the screw rod 2 connected with the coarse adjustment mechanism is connected to a machine part body 7;
the fine adjustment mechanism and the fixed connecting piece 8 form a fixed end, and the coarse adjustment mechanism and the machine body 7 form a movable end together;
the machine body 7 is roughly adjusted by rotating the screw rod 2, so that the machine body 7 can move quickly; the machine body 7 is finely adjusted by adjusting the fine adjustment mechanism, so that the machine body 7 can relatively move at a low speed;
further, the coarse adjustment mechanism and the fine adjustment mechanism are respectively connected with the screw rod 2 through threads; the coarse adjustment mechanism and the fine adjustment mechanism are arranged on the screw rod 2 in a penetrating mode, a first external thread area is arranged at the joint of the screw rod 2 and the coarse adjustment mechanism, and a second external thread area is arranged at the joint of the screw rod 2 and the fine adjustment mechanism;
further, the coarse adjustment mechanism comprises: the inner wall of the coarse adjustment nut 1 is provided with an internal thread matched with the first external thread; the coarse adjustment nut 1 can move in a first thread area of the screw;
further, the coarse adjustment nut 1 is a hexagonal nut, and the outer wall of the coarse adjustment nut is of a six-sided surrounding structure;
furthermore, the end surfaces of two sides of the coarse adjustment nut 1 are fixedly connected with the machine body 7; a gasket 10 is arranged outside the coarse adjustment nut 1; the inner wall of the gasket 10 is in a V-shaped structure, and the outer wall of the coarse adjustment nut 1 is in a hexagonal structure, so that the V-shaped structure is matched with the outer wall of the coarse adjustment nut 1 in shape;
further, the gasket 10 is arranged on the machine body 7, and the gasket 10 is arranged to overcome the rotation torque of the coarse adjustment nut 1 when the coarse adjustment nut 1 rotates along with the screw rod 2, so as to fasten and position the coarse adjustment nut 1; the rough adjusting nut 1 and the machine body 7 are prevented from being broken;
further, the fine adjustment mechanism includes: the fine adjustment nut 3, the fine adjustment nut wrench 6, the first combined bearing 4, the second combined bearing 5, the bearing outer seat 9 and the fixed connecting piece 8; the inner wall of the fine adjusting nut 3 is provided with an internal thread matched with the second external thread; the fine adjustment nut 3 can move in the second thread area of the screw 2; a first combined bearing 4 and a second combined bearing 5 are arranged between the fine adjusting nut 3 and the bearing outer seat 9, and the bearing outer seat 9 is fixed through a fixed connecting piece 8; the fine adjusting nut 3 is connected with the fine adjusting nut wrench 6 through a flat key, and a locking nut 11 is further arranged on the fine adjusting nut 3 close to one side of the fine adjusting nut wrench 6; when fine adjustment is needed, the locking nut 11 is disassembled, the fine adjustment nut wrench 6 is rotated, and the fine adjustment nut 3 is driven to rotate through the fine adjustment nut wrench 6;
further, the thread pitch of the first thread area on the screw rod 2 is larger than that of the second thread area on the screw rod 2;
when the machine body 7 is roughly adjusted, a wrench is used for rotating the screw rod 2 between the rough adjusting mechanism and the fine adjusting mechanism; in the rotating process, at one end of the fine adjustment mechanism, the screw rod 2 and the fine adjustment nut 3 rotate in the bearing outer seat 8 through the combined bearing, and at the moment, the screw rod 2 and the fine adjustment nut 3 do not rotate relatively; at one end of the coarse adjustment mechanism, the screw rod 2 is matched with the thread of the coarse adjustment nut 1, and the screw rod 2 rotates to enable the screw rod 2 and the coarse adjustment nut 1 to rotate, so that relative displacement is generated between the coarse adjustment nut 1 and the screw rod 2; the thread pitch of the coarse adjustment nut 1 is large, so that the machine body 7 can move quickly;
when the machine body 7 is finely adjusted, the fine adjusting nut 3 is rotated in situ relative to the screw rod 2 through threads by operating the fine adjusting nut wrench 6, and because the screw pitch of the front end of the screw rod 2 and the coarse adjusting nut 1 is large and the friction force is greater than the matching of the rear end of the screw rod 2 and the fine adjusting nut 3, when the fine adjusting nut 3 is rotated, the screw rod 2 cannot rotate, but the screw rod 2 can drive the whole coarse adjusting mechanism to generate relative displacement relative to the fine adjusting mechanism, so that the machine body 7 is pushed to advance; and the fine adjusting nut 3 has a smaller pitch, so that the machine body 7 can move slowly.
Claims (9)
1. Coarse and fine adjusting device of integration, its characterized in that includes: the two ends of the screw rod are provided with a coarse adjustment mechanism and a fine adjustment mechanism, one end of the screw rod connected with the fine adjustment mechanism is fixedly connected through a fixed connecting piece, and one end of the screw rod connected with the coarse adjustment mechanism is connected to the machine body of the machine part.
2. The integrated rough and fine adjustment device according to claim 1, wherein: the fine adjustment mechanism and the fixed connecting piece form a fixed end, and the coarse adjustment mechanism and the machine body form a movable end together.
3. The integrated rough and fine adjustment device according to claim 1, wherein: the coarse adjustment mechanism and the fine adjustment mechanism are respectively connected with the screw rod through threads; the coarse adjustment mechanism and the fine adjustment mechanism are arranged on the screw in a penetrating mode, a first external thread area is arranged at the joint of the screw and the coarse adjustment mechanism, and a second external thread area is arranged at the joint of the screw and the fine adjustment mechanism.
4. The integrated rough and fine adjustment device according to claim 3, wherein: the coarse adjustment mechanism comprises: the inner wall of the coarse adjusting nut is provided with an internal thread matched with the first external thread; the coarse adjustment nut is movable within the first threaded region of the screw.
5. The integrated rough and fine adjustment device according to claim 4, wherein: the coarse adjustment nut is a hexagonal nut, and the outer wall of the coarse adjustment nut is of a six-face surrounding structure.
6. The integrated rough and fine adjustment device according to claim 1, wherein: furthermore, the end surfaces of two sides of the coarse adjustment nut are fixedly connected with the machine body; a gasket is arranged outside the coarse adjustment nut; the shape of the inner wall of the gasket is a V-shaped structure, and the V-shaped structure is matched with the shape of the outer wall of the coarse adjustment nut.
7. The integrated rough and fine adjustment device according to claim 3, wherein: the fine adjustment mechanism comprises: the fine adjustment nut, the fine adjustment nut wrench, the first combined bearing, the second combined bearing, the bearing outer seat and the fixed connecting piece; the inner wall of the fine adjusting nut is provided with an internal thread matched with the second external thread; the fine adjustment nut can move in a second thread area of the screw; a first combined bearing and a second combined bearing are arranged between the fine adjusting nut and the bearing outer seat, and the bearing outer seat is fixed through a fixed connecting piece; the fine adjustment nut is connected with the fine adjustment nut wrench through a flat key, and a locking nut is further arranged on the fine adjustment nut close to one side of the fine adjustment nut wrench.
8. The integrated rough and fine adjustment device according to claim 3, wherein: the pitch of the first threaded region on the screw is greater than the pitch of the second threaded region on the screw.
9. The integrated rough and fine adjustment device according to any one of claims 1 to 8, wherein: when the machine body needs to be roughly adjusted, a wrench is used for rotating a screw rod between the rough adjusting mechanism and the fine adjusting mechanism; in the rotating process, at one end of the fine adjustment mechanism, the screw rod and the fine adjustment nut rotate together in the bearing outer seat through the combined bearing, and at the moment, the screw rod and the fine adjustment nut do not rotate relatively; at one end of the coarse adjustment mechanism, the screw rod is matched with the thread of the coarse adjustment nut, and the screw rod rotates to enable the screw rod and the coarse adjustment nut to rotate, so that relative displacement is generated between the coarse adjustment nut and the screw rod; the thread space of the coarse adjustment nut is large, so that the machine body can move quickly;
when the machine body needs to be finely adjusted, the fine adjusting nut is rotated in situ relative to the screw rod through threads by operating the fine adjusting nut wrench, and because the screw pitch of the front end of the screw rod and the coarse adjusting nut is large and the friction force is greater than the matching of the rear end of the screw rod and the fine adjusting nut, the screw rod cannot rotate when the fine adjusting nut is rotated, but the screw rod can drive the whole coarse adjusting mechanism to generate relative displacement relative to the fine adjusting mechanism, so that the machine body is pushed to advance; and the fine adjustment nut has a smaller thread pitch, so that the machine body can move slowly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010616441.XA CN111673620A (en) | 2020-06-30 | 2020-06-30 | Integrated coarse and fine adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010616441.XA CN111673620A (en) | 2020-06-30 | 2020-06-30 | Integrated coarse and fine adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111673620A true CN111673620A (en) | 2020-09-18 |
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ID=72456897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010616441.XA Pending CN111673620A (en) | 2020-06-30 | 2020-06-30 | Integrated coarse and fine adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111673620A (en) |
-
2020
- 2020-06-30 CN CN202010616441.XA patent/CN111673620A/en active Pending
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