CN110815040A - High-precision internal grinding machine electric spindle grinding wheel connecting rod - Google Patents
High-precision internal grinding machine electric spindle grinding wheel connecting rod Download PDFInfo
- Publication number
- CN110815040A CN110815040A CN201911130174.9A CN201911130174A CN110815040A CN 110815040 A CN110815040 A CN 110815040A CN 201911130174 A CN201911130174 A CN 201911130174A CN 110815040 A CN110815040 A CN 110815040A
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- China
- Prior art keywords
- connecting rod
- grinding wheel
- electric spindle
- handle
- grinding
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Classifications
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- 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
- B24B45/00—Means for securing grinding wheels on rotary arbors
Abstract
A high-precision internal grinding machine electric spindle grinding wheel connecting rod relates to the field of machining. The invention solves the problems that the existing grinding wheel connecting rod is integrated in structure, frequent in replacement, various in specification and quantity, high in vibration value and influencing the machining precision of products. The grinding wheel electric spindle comprises a connecting rod main body and a grinding wheel handle, wherein the connecting rod main body is of a circular rod-shaped structure, a connecting rod inner hole is formed in the center of the end face of one end of the connecting rod main body along the axis direction of the connecting rod main body, the other end of the connecting rod main body is matched with an inner hole of a grinding wheel electric spindle, the grinding wheel handle is of a circular rod-shaped structure, one end of the grinding wheel handle is inserted into the grinding wheel inner hole, the grinding wheel handle is connected with a grinding wheel in a bonding mode, the other end of the grinding wheel handle is inserted into. The invention is used for realizing that one specification of grinding wheel connecting rod is matched with various grinding wheel handles.
Description
Technical Field
The invention relates to the field of machining, in particular to a high-precision internal grinding machine electric spindle grinding wheel connecting rod.
Background
The requirement of the machining precision of the inner hole of the aviation bearing part is extremely strict, and the taper and the vertical difference are about 1.5 mu m. Therefore, the requirement on the grinding wheel connecting rod of the connecting piece of the grinding wheel electric spindle and the grinding wheel is extremely strict, the existing grinding wheel connecting rod is in an integrated structure, the grinding wheel is simply bonded to the grinding wheel connecting rod, the grinding wheel connecting rod with the structure needs to be prepared for a plurality of grinding wheels in practical application, and connecting rods with various specifications need to be prepared according to the size of an inner hole of the grinding wheel. The universality is poor, the replacement is frequent, the grinding wheel connecting rod needs to be replaced once when the grinding wheel is replaced once, the electric spindle can be seriously abraded, the balance can be reduced after the grinding wheel is bonded by the connecting rod in the structure, and the vibration value is high in the process of processing products, so that the precision of the processed products is directly influenced. Therefore, the structure of the grinding wheel connecting rod is urgently needed to be improved, the replacement frequency of the grinding wheel connecting rod is reduced, the cost of the grinding wheel connecting rod is reduced, and meanwhile, the precision of a processed product is improved.
In the existing grinding wheel connecting rod, as shown in fig. 4, a grinding wheel needs to be bonded to the outer diameter of the grinding wheel connecting rod by glue, if grinding wheels of various specifications are needed, a plurality of grinding wheel connecting rods are prepared, and the grinding wheel connecting rods of various specifications need to be equipped according to the required specifications. When the grinding wheels with inner holes phi 2, phi 3 and phi 4 are needed, the grinding wheel connecting rod needs three specifications, meanwhile, each grinding wheel needs to be bonded on the grinding wheel connecting rod in advance, if 20 grinding wheels need to be consumed every day, in order to ensure the safety and firmness of grinding wheel bonding, 20 grinding wheels need to be bonded on the grinding wheel connecting rod one day in advance, the workload is large, and the cost is high.
In conclusion, the existing grinding wheel connecting rod is integrated in structure, and the problems that the replacement is frequent, the specification and the quantity are various, the vibration value is high, and the machining precision of a product is influenced exist.
Disclosure of Invention
The invention provides a grinding wheel connecting rod of an electric spindle of a high-precision internal grinding machine, aiming at solving the problems that the existing grinding wheel connecting rod is integrated in structure, frequent in replacement, various in specification and quantity, high in vibration value and capable of influencing the machining precision of products.
The technical scheme of the invention is as follows:
the utility model provides a high accuracy internal grinder electricity main shaft emery wheel connects pole, it includes connects pole main part 1 and emery wheel handle 2, connect pole main part 1 to be circular shaft-like structure, connect the center of pole main part 1 one end terminal surface to set up along its axis N-N direction and connect pole hole 1-1, connect the pole main part 1 other end and emery wheel electricity main shaft hole cooperation, emery wheel handle 2 is circular shaft-like structure, emery wheel handle 2 one end cartridge is downthehole in the emery wheel, adopt the mode of bonding to be connected between emery wheel handle 2 and the emery wheel 4, emery wheel handle 2 other end cartridge connects pole hole 1-1 of pole main part 1, emery wheel handle 2 with connect and adopt the detachable mode to be connected between pole main part 1.
Furthermore, the grinding wheel connecting rod further comprises a compression screw 3, a connecting rod threaded hole 1-2 matched with the compression screw 3 is formed in the outer circumference of one end of the connecting rod main body 1, the connecting rod threaded hole 1-2 is communicated with an inner hole 1-1 of the connecting rod, and when the other end of the grinding wheel handle 2 is inserted into the connecting rod inner hole 1-1 of the connecting rod main body 1, the grinding wheel handle 2 is fixedly connected with the connecting rod main body 1 through the compression screw 3.
Further, the outer diameter of one end of the grinding wheel handle 2 is d1The inner diameter of the inner hole of the grinding wheel is d2，d1≤d2。
Further, the other end of the grinding wheel handle 2 has an outer diameter d3The inner diameter of the inner hole 1-1 of the connecting rod is d4，d3＝d4。
Further, the outer diameter of the other end of the connecting rod body 1 is equal to the diameter of the inner hole of the grinding wheel electric spindle.
Furthermore, the connecting rod threaded hole 1-2 is perpendicular to the connecting rod inner hole 1-1.
Further, the extension rod body 1 is coaxially arranged with the grinding wheel shank 2.
Compared with the prior art, the invention has the following effects:
1. the grinding wheel connecting rod has the advantages of being convenient to replace grinding wheels, good in universality and simple to manufacture, the cost is low, and the cost for manufacturing the grinding wheel connecting rod in a large amount can be saved. The invention relates to a high-precision internal grinder electric spindle grinding wheel connecting rod, which is a grinding wheel connecting rod with a novel structure and high universality and is used for replacing grinding wheel connecting rods of all specifications of the existing grinder.
Drawings
FIG. 1 is a schematic structural diagram of a grinding wheel connecting rod of an electric spindle of a high-precision internal grinding machine according to the invention;
FIG. 2 is a schematic view of the mounting of the wheel shank and wheel of the present invention;
FIG. 3 is a schematic structural view of a connecting rod body of the present invention;
fig. 4 is a schematic structural diagram of a conventional grinding wheel connecting rod.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the high-precision internal grinding machine electric spindle grinding wheel connecting rod of the embodiment comprises a connecting rod main body 1 and a grinding wheel handle 2, wherein the connecting rod main body 1 is of a circular rod-shaped structure, a connecting rod inner hole 1-1 is formed in the center of the end face of one end of the connecting rod main body 1 along the axis N-N direction, the other end of the connecting rod main body 1 is matched with the grinding wheel electric spindle inner hole, the grinding wheel handle 2 is of a circular rod-shaped structure, one end of the grinding wheel handle 2 is inserted into the grinding wheel inner hole, the grinding wheel handle 2 is connected with a grinding wheel 4 in a bonding mode, the other end of the grinding wheel handle 2 is inserted into the connecting rod inner hole 1-1 of the connecting rod main body 1.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 and 3, and further includes a compression screw 3, a connecting rod threaded hole 1-2 matched with the compression screw 3 is formed in the outer circumference of one end of the connecting rod main body 1, the connecting rod threaded hole 1-2 is communicated with the connecting rod inner hole 1-1, and when the other end of the grinding wheel handle 2 is inserted into the connecting rod inner hole 1-1 of the connecting rod main body 1, the grinding wheel handle 2 is fixedly connected with the connecting rod main body 1 through the compression screw 3. So set up, adopt housing screw 3 will connect pole main part 1 and emery wheel handle 2 fixed can, be convenient for the change and the dismouting of the emery wheel handle 2 of different specifications. And connect pole main part 1 can install on emery wheel electricity main shaft always, need not to dismantle the change. Other components and connections are the same as in the first embodiment.
The compression screw 3 of the embodiment is a straight screw, so that the balance is better when the compression screw is rotated, and the compression screw 3 is screwed into the extension rod threaded hole 1-2 without exposing the surface.
The third concrete implementation mode: the present embodiment will be described with reference to fig. 2, in which the outer diameter of one end of the wheel holder 2 is d1The inner diameter of the inner hole of the grinding wheel is d2，d1≤d2. So set up, the one end cartridge of the emery wheel handle 2 of being convenient for is downthehole at the emery wheel, adopts the mode of bonding to be connected between emery wheel handle 2 and the emery wheel 4. Other compositions and connections are the same as in the first or second embodiments.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 2 and 3, in which the other end of the wheel holder 2 has an outer diameter d3The inner diameter of the inner hole 1-1 of the connecting rod is d4，d3＝d4. So set up, be convenient for the other end cartridge of emery wheel handle 2 connect pole hole 1-1 of pole main part 1 in, emery wheel handle 2 with connect and adopt the detachable mode to be connected between the pole main part 1. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 3, and the other end outer diameter (d) of the extension bar body 1 of the present embodiment5) The diameter of the grinding wheel electric spindle is equal to the diameter of the inner hole of the grinding wheel electric spindle. So set up, connect pole main part 1 and can install on emery wheel electricity main shaft always, need not to dismantle the change. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
The sixth specific implementation mode: referring to fig. 3, the extension rod screw hole 1-2 of the present embodiment is perpendicular to the extension rod inner hole 1-1. So set up, emery wheel handle 2 through housing screw 3 with connect pole main part 1 fixed connection, the dismouting of being convenient for. Other compositions and connection relationships are the same as in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: the present embodiment will be described with reference to fig. 1, and a spindle body 1 of the present embodiment is provided coaxially with a grinding wheel shank 2. So set up, can guarantee the grinding precision of emery wheel effectively. Other compositions and connection relationships are the same as in the first, second, third, fourth, fifth or sixth embodiment.
Principle of operation
The working principle of the invention is explained in conjunction with fig. 1 to 3: the grinding wheel connecting rod for the electric spindle of the high-precision internal grinding machine comprises a connecting rod main body 1 and a grinding wheel handle 2, for grinding wheels with inner holes of various specifications, only the grinding wheel handles 2 of various specifications are needed to be prepared, and the outer diameter d of one end of each grinding wheel handle 21Can be made into various sizes (can be smaller than d)2) The outer diameter d of the other end of the grinding wheel handle 23Is a fixed size and has an inner diameter d of 1-1 of the inner hole of the connecting rod4The sizes are consistent. When the grinding wheel connecting rod is used, a grinding wheel 4 is only needed to be bonded to one end of a grinding wheel handle 2, the other end of the grinding wheel handle 2 is placed into a connecting rod main body 13, the connecting rod main body 1 and the grinding wheel handle 2 are fixed through a compression screw 3, and the connecting rod main body 1 can be always installed on a grinding wheel electric spindle without being detached and replaced.
Claims (7)
1. The utility model provides a high accuracy internal grinder electricity main shaft emery wheel connects pole which characterized in that: it connects pole main part (1) and emery wheel handle (2) including connecting, it is circular shaft-like structure to connect pole main part (1), it connects pole hole (1-1) to set up along its axis (N-N) direction to connect pole main part (1) one end terminal surface center, it connects pole main part (1) other end and emery wheel electricity main shaft hole cooperation to connect pole main part (1), emery wheel handle (2) are circular shaft-like structure, emery wheel handle (2) one end cartridge is downthehole at the emery wheel, adopt the mode of bonding to be connected between emery wheel handle (2) and emery wheel (4), emery wheel handle (2) other end cartridge connects pole hole (1-1) of pole main part (1), emery wheel handle (2) and connect and adopt the detachable mode to be connected between pole main part (1).
2. The electric spindle grinding wheel connecting rod for the high-precision internal grinding machine as claimed in claim 1, wherein: the grinding wheel connecting rod is characterized by further comprising a compression screw (3), a connecting rod threaded hole (1-2) matched with the compression screw (3) is formed in the outer circumference of one end of the connecting rod main body (1), the connecting rod threaded hole (1-2) is communicated with a connecting rod inner hole (1-1), and when the other end of the grinding wheel handle (2) is inserted into the connecting rod inner hole (1-1) of the connecting rod main body (1), the grinding wheel handle (2) is fixedly connected with the connecting rod main body (1) through the compression screw (3).
3. The electric spindle grinding wheel connecting rod for the high-precision internal grinding machine as claimed in claim 1, wherein: one end of the grinding wheel handle (2) has an external diameter d1The inner diameter of the inner hole of the grinding wheel is d2，d1≤d2。
4. The electric spindle grinding wheel connecting rod for the high-precision internal grinding machine as claimed in claim 3, wherein: the other end of the grinding wheel handle (2) has an external diameter d3The inner diameter of the inner hole (1-1) of the connecting rod is d4，d3＝d4。
5. The electric spindle grinding wheel connecting rod for the high-precision internal grinding machine as claimed in claim 4, wherein: the other end of the connecting rod body (1) has an outer diameter (d)5) The diameter of the grinding wheel electric spindle is equal to the diameter of the inner hole of the grinding wheel electric spindle.
6. The electric spindle grinding wheel connecting rod for the high-precision internal grinding machine as claimed in claim 5, wherein: the connecting rod threaded hole (1-2) is vertical to the connecting rod inner hole (1-1).
7. The electric spindle grinding wheel connecting rod for the high-precision internal grinding machine as claimed in claim 1, 2, 3, 4 or 5, wherein: the connecting rod main body (1) and the grinding wheel handle (2) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130174.9A CN110815040A (en) | 2019-11-18 | 2019-11-18 | High-precision internal grinding machine electric spindle grinding wheel connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130174.9A CN110815040A (en) | 2019-11-18 | 2019-11-18 | High-precision internal grinding machine electric spindle grinding wheel connecting rod |
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| Publication Number | Publication Date |
|---|---|
| CN110815040A true CN110815040A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911130174.9A Pending CN110815040A (en) | 2019-11-18 | 2019-11-18 | High-precision internal grinding machine electric spindle grinding wheel connecting rod |
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| CN (1) | CN110815040A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809466A (en) * | 2021-01-07 | 2021-05-18 | 中国航发哈尔滨轴承有限公司 | Tool and method applied to grinding of inner surface of aviation bearing with large major diameter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0839404A (en) * | 1994-07-22 | 1996-02-13 | Koyo Mach Ind Co Ltd | Internal grinding method of deep hole for work |
| CN105479328A (en) * | 2015-12-27 | 2016-04-13 | 无锡市灵通铸造有限公司 | Electric grinder used for processing casting |
| CN207757353U (en) * | 2017-11-17 | 2018-08-24 | 李毅宏 | A kind of numeral-controlled internal grinder |
| CN207824605U (en) * | 2017-12-18 | 2018-09-07 | 江苏润弛太阳能材料科技有限公司 | A kind of solar energy quartz crucible processing and manufacturing grinding device |
| CN208575671U (en) * | 2018-07-17 | 2019-03-05 | 洛阳高度医疗器械有限公司 | A kind of novel metal porcelain artificial tooth metal is interior to be preced with milling apparatus |
| CN110026897A (en) * | 2019-05-13 | 2019-07-19 | 成都凯天电子股份有限公司 | It is mounted directly the internal grinding knife bar of grinding wheel |
| CN209364387U (en) * | 2018-12-18 | 2019-09-10 | 东莞市金太阳精密技术有限责任公司 | A kind of clamp assembly of quick-replaceable bistrique |
-
2019
- 2019-11-18 CN CN201911130174.9A patent/CN110815040A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0839404A (en) * | 1994-07-22 | 1996-02-13 | Koyo Mach Ind Co Ltd | Internal grinding method of deep hole for work |
| CN105479328A (en) * | 2015-12-27 | 2016-04-13 | 无锡市灵通铸造有限公司 | Electric grinder used for processing casting |
| CN207757353U (en) * | 2017-11-17 | 2018-08-24 | 李毅宏 | A kind of numeral-controlled internal grinder |
| CN207824605U (en) * | 2017-12-18 | 2018-09-07 | 江苏润弛太阳能材料科技有限公司 | A kind of solar energy quartz crucible processing and manufacturing grinding device |
| CN208575671U (en) * | 2018-07-17 | 2019-03-05 | 洛阳高度医疗器械有限公司 | A kind of novel metal porcelain artificial tooth metal is interior to be preced with milling apparatus |
| CN209364387U (en) * | 2018-12-18 | 2019-09-10 | 东莞市金太阳精密技术有限责任公司 | A kind of clamp assembly of quick-replaceable bistrique |
| CN110026897A (en) * | 2019-05-13 | 2019-07-19 | 成都凯天电子股份有限公司 | It is mounted directly the internal grinding knife bar of grinding wheel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809466A (en) * | 2021-01-07 | 2021-05-18 | 中国航发哈尔滨轴承有限公司 | Tool and method applied to grinding of inner surface of aviation bearing with large major diameter |
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Application publication date: 20200221 |