CN211805191U - High-precision hole site abrasive machining tool - Google Patents
High-precision hole site abrasive machining tool Download PDFInfo
- Publication number
- CN211805191U CN211805191U CN201921455663.7U CN201921455663U CN211805191U CN 211805191 U CN211805191 U CN 211805191U CN 201921455663 U CN201921455663 U CN 201921455663U CN 211805191 U CN211805191 U CN 211805191U
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- China
- Prior art keywords
- rectangular frame
- plate
- detection head
- telescopic shaft
- hole site
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- Withdrawn - After Issue
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- 238000003754 machining Methods 0.000 title claims description 17
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention provides a high-precision hole site grinding tool which is novel in structural design and can solve the problem of mounting position errors caused by replacing a grinding head, and the tool comprises a fixed seat and a high-precision high-speed vertical machining center with a main shaft, wherein the end part of the main shaft is provided with the grinding head, and the main shaft is arranged on a main shaft box; the fixing base is fixed on the side portion of a spindle box of the spindle, a cylinder is fixedly mounted at the top of the fixing base, a detection head is fixed at the end portion of a telescopic shaft of the cylinder, and the detection head can be extended downwards or retracted to the position above the spindle by the telescopic shaft of the cylinder.
Description
Technical Field
The invention relates to the technical field of vertical machining centers, in particular to a high-precision hole site grinding tool.
Background
The precision requirements of hole positions and hole sizes of certain robot parts are high, the machining equipment adopting a high-precision numerical control coordinate grinding machine is expensive, the machining efficiency is low, when the machining equipment adopting the high-precision numerical control coordinate grinding machine is traditionally adopted for machining, a grinding head on a main shaft of the robot part needs to be taken down and replaced with a detection head to detect the machined hole and the inner wall of the hole, the measurement adopted by online measurement on a vertical machining center is usually placed in a tool magazine, a tool changing instruction calls the detection head to detect during measurement, and then the tool feeding amount is adjusted according to deviation. Due to the error of secondary tool mounting, the influence on the size precision of the hole with the corresponding size precision within 5 micrometers is large; if the machined part hole is not in accordance with the requirement, the detection head is required to be taken down and replaced with the upper grinding head again for machining again, then the steps of detecting by replacing the detection head and machining by replacing the grinding head are repeated until the state of meeting the requirement is achieved, and the step of replacing the detection head and the cutter repeatedly increases the accumulated error.
In addition, the invention provides a high-precision hole site grinding tool which is economical and can meet the requirements of high-precision hole site and hole size processing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to practical requirements and provide a high-precision hole site grinding tool which is novel in structural design and can solve the problem of accumulated errors caused by replacement of a grinding head.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
designing a high-precision hole site grinding tool, which comprises a fixed seat and a high-precision high-speed vertical machining center with a main shaft, wherein the main shaft is arranged on a main shaft box, and the end part of the main shaft is provided with a grinding head; the fixing base is fixed on the side portion of a spindle box of the spindle, a cylinder is fixedly mounted at the top of the fixing base, a detection head is fixed at the end portion of a telescopic shaft of the cylinder, and the detection head can be extended downwards or retracted to the position above the spindle by the telescopic shaft of the cylinder.
The bottom of the fixed seat is provided with a rectangular frame, the end part of a telescopic shaft of the air cylinder is fixedly provided with a [ -shaped connecting plate, the top plate of the connecting plate is fixed at the end part of the telescopic shaft, the area of the lower plate of the connecting plate is smaller than that of the rectangular frame and can penetrate through the rectangular frame, and the detection head is arranged on the lower plate of the connecting plate through a detection head seat; articulated on a side of rectangular frame below have a closing plate, the closing plate area with rectangular frame open area matches and can with rectangular frame seals, fixedly connected with downwardly extending's last pull rod on the lower part board of connecting plate, it has the lower link to articulate on the expansion end inner wall of closing plate, the other end of lower link with the lower extreme of last pull rod is articulated, works as when the telescopic shaft upwards withdraws, the detection head is drawn back to the rectangular frame top, go up the pull rod and stimulate the lower link makes the closing plate seal the rectangular frame opening after around the pin joint upwards rotation.
The detection device is characterized by further comprising an outer sealing plate for sealing the telescopic shaft, the lower end of the outer sealing plate is connected with the rectangular frame, and when the rectangular frame is sealed by the sealing plate, a sealed area is formed by the area surrounded by the outer sealing plate, and the detection head is protected.
The outer side wall of the connecting plate is fixedly provided with a sliding block, the inner wall of the fixing seat is provided with a sliding rail, and the sliding block is located on the sliding rail and moves along the sliding rail.
The middle parts of the two sides of the sliding rail are inwards sunken to form a groove, a sliding groove is formed in the sliding block, protruding blocks extending in opposite directions are arranged at the end parts of the two side walls of the sliding groove, the protruding blocks are matched with the groove, and when the sliding block is buckled on the sliding rail through the sliding groove, the protruding blocks are located in the groove and limit the sliding block on the sliding rail.
The invention has the beneficial effects that:
the high-precision hole site grinding tool is implemented by adopting a high-precision high-speed vertical machining center, a grinding head at the end part of a main shaft of the high-precision high-speed vertical machining center can grind holes, a detection head at the side part of the high-precision high-speed vertical machining center can stretch out and detect the hole sites after machining, the grinding head is not needed during detection, and then the high-precision high-speed vertical machining center automatically adjusts the grinding feeding amount according to the detection deviation of the detection head, so that the error of installing a cutter is reduced.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the slider and the slide rail of the present invention after being engaged;
fig. 4 is a schematic structural diagram of the use state of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example 1: a high-precision hole site grinding tool is shown in figures 1 to 4.
The high-precision high-speed vertical machining center comprises a fixed seat 3 and a high-precision high-speed vertical machining center with a main shaft 17, wherein a grinding head for grinding a hole is arranged at the end part of the main shaft 17; the spindle is arranged on a spindle box (see fig. 1), the fixed seat 3 is fixed on the side portion of a spindle box 16 of a spindle 17, the top of the fixed seat 3 is fixedly provided with a cylinder 1, the end portion of a telescopic shaft 10 of the cylinder 1 is fixed with a detection head 7, and the detection head 7 can be extended downwards or retracted to the upper portion of the spindle 17 by the telescopic shaft 10 of the cylinder.
Specifically, the bottom of the fixed seat 3 is provided with a rectangular frame 4, the end part of a telescopic shaft 10 of the cylinder 1 is fixed with a [ -shaped connecting plate 11, the top plate of the connecting plate 11 is fixed at the end part of the telescopic shaft 10, the area of a lower plate 14 of the connecting plate is smaller than that of the rectangular frame 4 and can pass through the rectangular frame 4, and the detection head 7 is mounted on the lower plate 14 of the connecting plate through a detection head seat 5 (the detection head seat 5 is in the prior art); a closing plate 9 is hinged to one side edge of the lower portion of the rectangular frame 4, the area of the closing plate 9 is matched with the opening area of the rectangular frame 4, and the rectangular frame 4 can be closed.
Further, an upper pull rod 6 extending downwards is fixedly connected to a lower plate 14 of the connecting plate, a lower pull rod 8 is hinged to the inner wall of the movable end of the closing plate 9, the other end of the lower pull rod 8 is hinged to the lower end of the upper pull rod 6, when the telescopic shaft 10 retracts upwards, the detection head 7 is pulled back to the position above the rectangular frame 4, and the upper pull rod 6 upwards pulls the lower pull rod 8 to enable the closing plate 9 to rotate upwards around a hinged point and then close the opening of the rectangular frame.
Further, the detection device also comprises an outer sealing plate 2 for sealing the telescopic shaft 10, the lower end of the outer sealing plate 2 is connected with the rectangular frame 4, and when the rectangular frame 4 is sealed by the sealing plate 9, the region surrounded by the outer sealing plate 2 forms a sealed region and protects the detection head 7.
Further, be fixed with slider 12 on the lateral wall of connecting plate 11, install slide rail 13 on the inner wall of fixing base 3, slider 12 is located slide rail 13 is gone up and is followed the slide rail and removed, specifically, the inside sunken recess that constitutes in the middle part of the both sides of slide rail 13, be equipped with the spout on slider 12, the tip of spout both sides wall is equipped with lug 15 that extends in opposite directions, the lug with the recess matches, works as the slider passes through the spout and detains when on the slide rail, the lug is located in the recess and with the slider restriction is in on the slide rail.
The high-precision hole site grinding tool has the following specific implementation process:
as shown in fig. 4, the fixed seat is fixed on the side of the main spindle box 16, and when the grinding head at the end of the main spindle 17 of the high-precision high-speed vertical machining center grinds the hole 19 of the workpiece 18 below, the telescopic shaft of the cylinder 1 is in a retraction state, at this time, the closing door is closed, the detection head is located in the sealed area enclosed by the outer closing plate and the closing plate, and at this time, the detection head is protected from being polluted by cutting fluid and cutting chips.
When online detection is needed during grinding, a telescopic shaft of an air cylinder 1 extends out, at the moment, a sliding block moves on a sliding rail, an upper rod moves downwards and pushes a lower rod, the lower rod pushes a sealing plate away, a detection head is pushed out from a rectangular frame, then, a high-precision high-speed vertical machining center executes detection actions according to an internal program, during detection, the position of a main shaft moves and enables the detection head to adjust the position and extend downwards to the hole for hole position and size in-place measurement (the process is a common technology of the high-precision high-speed vertical machining center), and after the measurement is finished, the telescopic shaft of the air cylinder 1 retracts and the detection head is restored to the initial position; then the high-precision high-speed vertical machining center calls detection data of the detection head, calculates hole positions and hole sizes according to a numerical control program, controls the feed amount of the grinding head to perform machining again, and finally realizes on-site detection and machining of high-precision holes; therefore, the traditional step of replacing the detection head and the grinding head is not needed in the implementation process of the invention, and the problem of accumulative error caused by tool changing is solved.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (5)
1. A high-precision hole site abrasive machining tool comprises a fixed seat and a high-precision high-speed vertical machining center with a main shaft, wherein a grinding head is mounted at the end part of the main shaft, and the main shaft is mounted on a main shaft box; the method is characterized in that: the fixing base is fixed on the side portion of a spindle box of the spindle, a cylinder is fixedly mounted at the top of the fixing base, a detection head is fixed at the end portion of a telescopic shaft of the cylinder, and the detection head can be extended downwards or retracted to the position above the spindle by the telescopic shaft of the cylinder.
2. The high accuracy hole site abrasive machining frock of claim 1 characterized in that: the bottom of the fixed seat is provided with a rectangular frame, the end part of a telescopic shaft of the air cylinder is fixedly provided with a [ -shaped connecting plate, the top plate of the connecting plate is fixed at the end part of the telescopic shaft, the area of the lower plate of the connecting plate is smaller than that of the rectangular frame and can penetrate through the rectangular frame, and the detection head is arranged on the lower plate of the connecting plate through a detection head seat; articulated on a side of rectangular frame below have a closing plate, the closing plate area with rectangular frame open area matches and can with rectangular frame seals, fixedly connected with downwardly extending's last pull rod on the lower part board of connecting plate, it has the lower link to articulate on the expansion end inner wall of closing plate, the other end of lower link with the lower extreme of last pull rod is articulated, works as when the telescopic shaft upwards withdraws, the detection head is drawn back to the rectangular frame top, go up the pull rod and stimulate the lower link makes the closing plate seal the rectangular frame opening after around the pin joint upwards rotation.
3. The high accuracy hole site abrasive machining frock of claim 2 characterized in that: the detection device is characterized by further comprising an outer sealing plate for sealing the telescopic shaft, the lower end of the outer sealing plate is connected with the rectangular frame, and when the rectangular frame is sealed by the sealing plate, a sealed area is formed by the area surrounded by the outer sealing plate, and the detection head is protected.
4. The high accuracy hole site abrasive machining frock of claim 3 characterized in that: the outer side wall of the connecting plate is fixedly provided with a sliding block, the inner wall of the fixing seat is provided with a sliding rail, and the sliding block is located on the sliding rail and moves along the sliding rail.
5. The high accuracy hole site abrasive machining frock of claim 4 characterized in that: the middle parts of the two sides of the sliding rail are inwards sunken to form a groove, a sliding groove is formed in the sliding block, protruding blocks extending in opposite directions are arranged at the end parts of the two side walls of the sliding groove, the protruding blocks are matched with the groove, and when the sliding block is buckled on the sliding rail through the sliding groove, the protruding blocks are located in the groove and limit the sliding block on the sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921455663.7U CN211805191U (en) | 2019-09-04 | 2019-09-04 | High-precision hole site abrasive machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921455663.7U CN211805191U (en) | 2019-09-04 | 2019-09-04 | High-precision hole site abrasive machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211805191U true CN211805191U (en) | 2020-10-30 |
Family
ID=72994702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921455663.7U Withdrawn - After Issue CN211805191U (en) | 2019-09-04 | 2019-09-04 | High-precision hole site abrasive machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211805191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524338A (en) * | 2019-09-04 | 2019-12-03 | 江西佳时特精密机械有限责任公司 | High-precision hole location grinding tooling |
| CN113500407A (en) * | 2021-08-17 | 2021-10-15 | 广东豪特曼智能机器有限公司 | Cell-phone center mills and grinds all-in-one with automatic positioning function |
-
2019
- 2019-09-04 CN CN201921455663.7U patent/CN211805191U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524338A (en) * | 2019-09-04 | 2019-12-03 | 江西佳时特精密机械有限责任公司 | High-precision hole location grinding tooling |
| CN110524338B (en) * | 2019-09-04 | 2024-04-30 | 江西佳时特精密机械有限责任公司 | High-precision hole site grinding tool |
| CN113500407A (en) * | 2021-08-17 | 2021-10-15 | 广东豪特曼智能机器有限公司 | Cell-phone center mills and grinds all-in-one with automatic positioning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201030 Effective date of abandoning: 20240430 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201030 Effective date of abandoning: 20240430 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |