CN110877266A - Special grinding and polishing device for slender workpiece with grinding and polishing frame - Google Patents
Special grinding and polishing device for slender workpiece with grinding and polishing frame Download PDFInfo
- Publication number
- CN110877266A CN110877266A CN201911134423.1A CN201911134423A CN110877266A CN 110877266 A CN110877266 A CN 110877266A CN 201911134423 A CN201911134423 A CN 201911134423A CN 110877266 A CN110877266 A CN 110877266A
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- China
- Prior art keywords
- grinding
- polishing
- pressure applying
- expansion rod
- applying expansion
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
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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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a special grinding and polishing device for a slender workpiece with a grinding and polishing frame, which comprises the grinding and polishing frame and a grinding and polishing device, wherein the grinding and polishing device is used for grinding and polishing the slender workpiece, the grinding and polishing frame is used for providing a supporting force for the slender workpiece, the grinding and polishing frame comprises a first pressure applying expansion rod, a second pressure applying expansion rod, a pressing device, an elastic supporting device, an adjustable support and a base, the adjustable support is arranged on the base, the first pressure applying expansion rod and the second pressure applying expansion rod are hinged to the adjustable support, an included angle is formed between the first pressure applying expansion rod and the second pressure applying expansion rod, the elastic supporting device is used for supporting the first pressure applying expansion rod and the second pressure applying expansion rod, and the force application directions of the pressing device to the first pressure applying expansion rod and the second pressure applying expansion rod are opposite to those of the elastic supporting device. And the turning rough machining and the grinding finish machining are realized by clamping the slender workpiece once, the time and the labor amount of secondary clamping are reduced, the repeated positioning error is avoided, the implementation is convenient and simple, the clamping and adjusting operation is easy, and the device is low in cost.
Description
Technical Field
The invention relates to the field of machining equipment, in particular to a special grinding and polishing device for a long and thin workpiece with a follow grinding frame.
Background
There are some special abrasive belt grinding heads with self-contained rotary power for lathes (for example, CN200410026653 "double grinding head high-efficiency mirror polishing device and mirror polishing process method thereof") on the market, which can be mounted on a tool post like a turning tool, so as to realize the function of a "variable grinding machine of lathe", so that after a workpiece is once clamped, after turning steps such as rough turning, semi-fine turning, fine turning and the like, precision grinding or polishing steps are performed, thereby bringing about many advantages of ① avoiding secondary clamping errors, improving processing precision, ② reducing labor intensity and labor amount, ③ saving equipment cost and occupied space of the grinding machine, ④ reducing auxiliary time and workpiece transfer time, and improving overall efficiency.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to: the special grinding and polishing device for the slender workpiece with the grinding and polishing frame is suitable for grinding and polishing the slender workpiece with poor rigidity, prevents the slender workpiece from being bent in processing, improves processing precision, and can be suitable for workpieces with different diameter models.
In order to achieve the purpose, the invention adopts the following technical scheme:
the special grinding and polishing device for the slender workpiece with the following grinding frame comprises a following grinding frame and a grinding and polishing device, wherein the grinding and polishing device is used for grinding and polishing the slender workpiece, the following grinding frame is used for providing a supporting force for the slender workpiece, the following grinding frame comprises a first pressure applying expansion rod, a second pressure applying expansion rod, a pressing device, an elastic supporting device, an adjustable support and a base, the adjustable support is mounted on the base, the first pressure applying expansion rod and the second pressure applying expansion rod are hinged to the adjustable support, an included angle is formed between the first pressure applying expansion rod and the second pressure applying expansion rod, the elastic supporting device is used for supporting the first pressure applying expansion rod and the second pressure applying expansion rod, and the force application directions of the pressing device to the first pressure applying expansion rod and the second pressure applying expansion rod are opposite to those of the elastic supporting device.
Further, adjustable support is length direction along the adjustable support of horizontal setting, and closing device includes closing device body and compresses tightly thrust unit, compresses tightly thrust unit and acts on the closing device body, and the centre of closing device body is equipped with the through-hole, and the closing device body cup joints in adjustable support, and the closing device body is equipped with first splenium and second splenium of exerting pressure, and first splenium butt is exerted pressure in first compression pole, and the second splenium butt is exerted pressure in the second and is exerted pressure the telescopic pole.
Further, the pressing device body, the first pressing portion and the second pressing portion are pressing sleeves of an annular integrated structure.
Furthermore, the relative position of the adjustable support and the base is adjustable, the base is provided with a fixing device, and the fixing device is used for fixedly connecting the adjustable support and the base.
Furthermore, the fixing device is a fastening screw which penetrates through the base and abuts against the adjustable support.
Furthermore, compress tightly thrust device including set up in the compressing tightly adjusting bolt hole of base and pass the compressing tightly adjusting bolt who compresses tightly adjusting bolt hole, compress tightly adjusting bolt's one end butt in closing device body.
Furthermore, the elastic supporting device is a sheet spring, one end of the sheet spring is fixed on the first pressure applying stretching rod, and the other end of the sheet spring is fixedly connected to the second pressure applying stretching rod.
Further, the first pressure applying and stretching rod is provided with at least one first rotating device, the second pressure applying and stretching rod is also provided with at least one second rotating device, and the first rotating device and the second rotating device are abutted with the slender workpiece.
Furthermore, one end of the first pressure applying expansion rod is provided with a first bearing, one end of the second pressure applying expansion rod is provided with a second bearing, and the first bearing and the second bearing are respectively abutted against the slender workpiece.
Further, the grinding and polishing device comprises a contact wheel, a tension wheel, a driving wheel and an abrasive belt, wherein the abrasive belt is wound on the outer sides of the contact wheel, the driving wheel and the tension wheel, the driving wheel is connected with the driving device, and the abrasive belt at the contact wheel is in contact with the slender workpiece.
In summary, the present invention has the following advantages:
the angle between the first pressure applying expansion rod and the second pressure applying expansion rod of the special grinding and polishing device for the slender workpiece with the following grinding frame can be adjusted, when the diameter of the slender workpiece is different, the slender workpiece with different diameters can be adapted only by adjusting the angle between the first pressure applying expansion rod and the second pressure applying expansion rod, the elastic supporting device is matched with the pressing device, the pressure and the friction between the following grinding frame and the slender workpiece can be conveniently adjusted, the problems that the slender workpiece is blocked due to excessive pressure and friction are prevented, turning rough machining and grinding finish machining are realized by once clamping of the slender workpiece, the time and labor amount of secondary clamping are reduced, repeated positioning errors are avoided, the implementation is convenient and simple, the clamping and adjusting operation is easy, the device is low in cost, the grinding and polishing efficiency is high, and the automation degree is high.
Drawings
Fig. 1 is a general structural schematic diagram of a special grinding and polishing device for a slender workpiece with a grinding and polishing rack.
Fig. 2 is a schematic structural diagram of another angle of the special grinding and polishing device for the slender workpiece with the grinding and polishing rack.
Fig. 3 is an enlarged structural schematic diagram of the heel grinding frame of the special grinding and polishing device for the slender workpiece with the heel grinding frame.
Wherein fig. 1 to 3 include:
1-base, 2-adjustable support, 3-fastening screw, 4-slender workpiece, 5-abrasive belt, 6-triangular support, 7-driving wheel, 9-V belt, 10-motor, 11-tension wheel, 15-contact wheel, 16-rectangular key, 18-bearing plate, 19-tension adjusting screw, 20-tension shaft sleeve, 21-tension wheel shaft, 23-V belt wheel, 24-driving wheel shaft, 25-contact wheel shaft, 26-compression adjusting bolt, 27-locking nut, 28-compression sleeve, 29-first pressure compression rod, 30-first bearing, 31-second bearing, 35-second pressure compression rod, 36-sheet spring and 37-rotating shaft.
Detailed Description
The present invention will be described in further detail below.
As shown in fig. 1 to 3, the special polishing and grinding device for an elongated workpiece with a polishing and grinding frame comprises a polishing and grinding frame and a polishing and grinding device, the polishing and grinding device is used for polishing and grinding the elongated workpiece 4, the polishing and grinding frame is used for providing a supporting force for the elongated workpiece 4, the polishing and grinding frame comprises a first pressure applying expansion rod 29, a second pressure applying expansion rod 35, a pressing device, an elastic supporting device, an adjustable bracket 2 and a base 1, the adjustable bracket 2 is mounted on the base 1, the first pressure applying expansion rod 29 and the second pressure applying expansion rod 35 are hinged to the adjustable bracket 2, an included angle is formed between the first pressure applying expansion rod 29 and the second pressure applying expansion rod 35, the elastic supporting device is used for supporting the first pressure applying expansion rod 29 and the second pressure applying expansion rod 35, and the force applying directions of the pressing device to the first pressure applying expansion rod 29 and the second pressure applying expansion rod 35 are opposite to the elastic supporting device. The angle between the first pressure applying stretching rod 29 and the second pressure applying stretching rod 35 of the special grinding and polishing device for the slender workpiece 4 with the grinding and polishing frame can be adjusted, when the diameter of the slender workpiece 4 is different, the slender workpiece 4 with different diameters can be adapted only by adjusting the angle between the first pressure applying stretching rod 29 and the second pressure applying stretching rod 35, the elastic supporting device is matched with the pressing device, the pressure and the friction between the grinding and polishing frame and the slender workpiece 4 can be conveniently adjusted, the problem that the slender workpiece 4 is clamped due to overlarge pressure and friction is prevented, the slender workpiece 4 is turned roughly and ground and finely machined by clamping once, the time and the labor amount of secondary clamping are reduced, repeated positioning errors are avoided, the implementation is convenient and simple, the clamping and adjusting operation is easy, the device is low in cost, the grinding and polishing efficiency is high, and the automation degree is high.
The pressing device body, the first pressing part and the second pressing part are a pressing sleeve 28 of an annular integrated structure. The compression sleeve 28 is sleeved on the first pressure applying expansion rod 29 and the second pressure applying expansion rod 35, and the first pressure applying expansion rod 29 and the second pressure applying expansion rod 35 can be pressed no matter how the compression sleeve 28 rotates, so that the reliability is better.
The relative position of adjustable support 2 and base 1 is adjustable, and base 1 is equipped with fixing device, and fixing device is used for fixed connection adjustable support 2 and base 1.
The fixing device is a fastening screw 3, and the fastening screw 3 passes through the base 1 and abuts against the adjustable bracket 2.
The pressing thrust device comprises a pressing adjusting bolt hole arranged on the base 1 and a pressing adjusting bolt 26 penetrating through the pressing adjusting bolt hole, and one end of the pressing adjusting bolt 26 is abutted to the pressing device body.
The elastic supporting device is a leaf spring 36, one end of the leaf spring 36 is fixed on the first pressure applying stretching rod 29, and the other end of the leaf spring 36 is fixedly connected to the second pressure applying stretching rod 35.
The first pressure-exerting telescopic rod 29 is provided with at least one first rotation means and the second pressure-exerting telescopic rod 35 is also provided with at least one second rotation means, the first and second rotation means being in abutment with the elongated workpiece 4.
The first pressure applying and tensioning rod 29 is provided at one end thereof with a first bearing 30, the second pressure applying and tensioning rod 35 is provided at one end thereof with a second bearing 31, and the first bearing 30 and the second bearing 31 are respectively abutted against the elongated workpiece 4.
The grinding and polishing device comprises a contact wheel 15, a tension wheel 11, a driving wheel 7 and an abrasive belt 5, wherein the abrasive belt 5 is wound outside the contact wheel 15, the driving wheel 7 and the tension wheel 11, the driving wheel 7 is connected with a driving device, the driving device is a motor 10, and the abrasive belt 5 at the contact wheel 15 is in contact with the elongated workpiece 4.
Specifically, fig. 3 is a structural diagram of a specially designed heel grinding carriage, and a rolling contact mode is adopted to replace a simple sliding contact mode. The inner hole of the compression sleeve 28 is in clearance fit with the adjustable support 2, the compression adjusting bolt 26 is screwed down, the locking nut 27 is matched, the compression sleeve 28 moves towards the workpiece 4, so that the first pressing expansion rod 29 and the second pressing expansion rod 35 are compressed, the sheet spring 36 is also compressed, and two ends of the sheet spring 36 are respectively fixed on the inner side surfaces of the first pressing expansion rod 29 and the second pressing expansion rod 35. The first pressure expansion bar 29 and the second pressure expansion bar 35 are rotatable about a rotation shaft 37, and the other ends transmit pressing force to the workpiece through the first bearing 30 and the second bearing 31 to apply pressing force to the surface of the workpiece.
With reference to fig. 1 and 2, the sanding belt 5 to the contact wheel axle 25 constitutes a sanding head. The power and motion transmission routes are as follows: the movement and power of the motor 10 is transmitted to the triangle belt wheel 23 and the driving wheel shaft 24 through the triangle belt 9 and then transmitted to the driving wheel 7 through the rectangle key 16. Tightening adjusting screw 19 is turned and tensioning sleeve 20 is pulled, so that tensioning axle 21 is moved outwards and sanding belt 5 can be tensioned. Under the condition that the abrasive belt 5 is tensioned, the driving wheel 7 is transmitted to the contact wheel 15 of the empty sleeve and the tension wheel 11 of the empty sleeve through the abrasive belt 5, so that the abrasive belt 5 is ensured to run well, and the grinding and polishing work is carried out on the surface of a workpiece. The abrasive belt grinding head formed by the abrasive belt 5, the contact wheel 15, the tension wheel 11 and the driving wheel 7 is arranged in a triangular shape, and the contact wheel 15, the tension wheel 11 and the driving wheel 7 are arranged on the triangular support 6, so that the grinding head is compact in structure, namely the abrasive belt 5 is long in circumference and small in overall space size.
The triangular bracket 6 and the motor 10 are firmly connected with the base 1 through bolts. The triangular belt wheel 23 and the driving wheel 7 are connected with a driving wheel shaft 24 through a rectangular key 16 and a nut, and the driving wheel shaft 24 is connected with the triangular support 6 through a bearing. The contact wheel 15 and the contact wheel shaft 25, and the tension wheel 11 and the tension wheel shaft 21 are connected in an empty way through bearings. The contact wheel shaft 25 is fixedly connected with the triangular bracket 6 through a nut. The tensioning wheel shaft 21 is fixedly connected with the triangular support 6 through a nut, but when the nut is loosened, the axis position of the tensioning wheel shaft can be movably adjusted through the bearing plate 18, the tensioning adjusting screw 19 and the tensioning shaft sleeve 20 to achieve the purpose of tensioning the abrasive belt 5, the deviation of the abrasive belt 5 can be corrected and adjusted through different adjustment of the two tensioning adjusting screws 19, and after the tensioning and the deviation are adjusted, the nut is screwed finally.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The special grinding and polishing device for the slender workpiece with the grinding and polishing frame is characterized in that: the grinding and polishing device is used for grinding and polishing slender workpieces, the grinding and polishing frame is used for providing a supporting force for the slender workpieces, the grinding and polishing frame comprises a first pressure applying expansion rod, a second pressure applying expansion rod, a pressing device, an elastic supporting device, an adjustable support and a base, the adjustable support is mounted on the base, the first pressure applying expansion rod and the second pressure applying expansion rod are hinged to the adjustable support, an included angle is formed between the first pressure applying expansion rod and the second pressure applying expansion rod, the elastic supporting device is used for supporting the first pressure applying expansion rod and the second pressure applying expansion rod, and the force application directions of the pressing device to the first pressure applying expansion rod and the second pressure applying expansion rod are opposite to those of the elastic supporting device.
2. The special grinding and polishing device for the slender workpiece with the grinding and polishing rack according to claim 1, characterized in that: the adjustable support is length direction along the adjustable support of horizontal setting, and closing device includes closing device body and compresses tightly thrust unit, compresses tightly thrust unit and acts on the closing device body, and the centre of closing device body is equipped with the through-hole, and the closing device body cup joints in adjustable support, and the closing device body is equipped with first splenium and second splenium of exerting pressure, and first splenium butt is exerted pressure in first application of pressure stretch-draw pole, and second splenium butt is exerted pressure in the second and is expanded-draw pole.
3. The special grinding and polishing device for the slender workpiece with the grinding and polishing rack as claimed in claim 2, characterized in that: the pressing device body, the first pressing part and the second pressing part are pressing sleeves of an annular integrated structure.
4. The special grinding and polishing device for the slender workpiece with the grinding and polishing rack as claimed in claim 2, characterized in that: the relative position of the adjustable support and the base is adjustable, the base is provided with a fixing device, and the fixing device is used for fixedly connecting the adjustable support and the base.
5. The special grinding and polishing device for the slender workpiece with the grinding and polishing rack as claimed in claim 4, wherein: the fixing device is a fixing screw which penetrates through the base and abuts against the adjustable support.
6. The special grinding and polishing device for the slender workpiece with the grinding and polishing rack as claimed in claim 2, characterized in that: the pressing thrust device comprises a pressing adjusting bolt hole arranged on the base and a pressing adjusting bolt penetrating through the pressing adjusting bolt hole, and one end of the pressing adjusting bolt is abutted to the pressing device body.
7. The special grinding and polishing device for the slender workpiece with the grinding and polishing rack according to claim 1, characterized in that: the elastic supporting device is a sheet spring, one end of the sheet spring is fixed on the first pressure applying expansion rod, and the other end of the sheet spring is fixedly connected with the second pressure applying expansion rod.
8. The special grinding and polishing device for the slender workpiece with the grinding and polishing rack according to claim 1, characterized in that: the first pressure-applying stretching rod is provided with at least one first rotating device, the second pressure-applying stretching rod is also provided with at least one second rotating device, and the first rotating device and the second rotating device are abutted with the slender workpiece.
9. The special grinding and polishing device for the slender workpiece with the grinding and polishing rack as claimed in claim 8, wherein: one end of the first pressure applying expansion rod is provided with a first bearing, one end of the second pressure applying expansion rod is provided with a second bearing, and the first bearing and the second bearing are respectively abutted against the slender workpiece.
10. The special grinding and polishing device for the slender workpiece with the grinding and polishing rack according to claim 1, characterized in that: the grinding and polishing device comprises a contact wheel, a tension wheel, a driving wheel and an abrasive belt, wherein the abrasive belt is wound on the outer sides of the contact wheel, the driving wheel and the tension wheel, the driving wheel is connected with the driving device, and the abrasive belt at the position of the contact wheel is in contact with the slender workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911134423.1A CN110877266A (en) | 2019-11-19 | 2019-11-19 | Special grinding and polishing device for slender workpiece with grinding and polishing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911134423.1A CN110877266A (en) | 2019-11-19 | 2019-11-19 | Special grinding and polishing device for slender workpiece with grinding and polishing frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110877266A true CN110877266A (en) | 2020-03-13 |
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ID=69729876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911134423.1A Withdrawn CN110877266A (en) | 2019-11-19 | 2019-11-19 | Special grinding and polishing device for slender workpiece with grinding and polishing frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110877266A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454066A (en) * | 2021-10-21 | 2022-05-10 | 北京机科国创轻量化科学研究院有限公司 | Grinding equipment for removing attachments on surface of ceramic roller |
-
2019
- 2019-11-19 CN CN201911134423.1A patent/CN110877266A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454066A (en) * | 2021-10-21 | 2022-05-10 | 北京机科国创轻量化科学研究院有限公司 | Grinding equipment for removing attachments on surface of ceramic roller |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200313 |
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| WW01 | Invention patent application withdrawn after publication |