CN212947071U - Mechanism suitable for adjusting working pressure of contact wheel of belt sander - Google Patents
Mechanism suitable for adjusting working pressure of contact wheel of belt sander Download PDFInfo
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- CN212947071U CN212947071U CN202021861841.9U CN202021861841U CN212947071U CN 212947071 U CN212947071 U CN 212947071U CN 202021861841 U CN202021861841 U CN 202021861841U CN 212947071 U CN212947071 U CN 212947071U
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- contact wheel
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- belt sander
- belt
- compensation device
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Abstract
The utility model provides a mechanism suitable for adjusting the working pressure of a contact wheel of an abrasive belt machine, which comprises the contact wheel of the abrasive belt machine, a contact wheel supporting mechanism of the abrasive belt machine, a pressure sensor and a pressure compensation device; the belt sander contact wheel is connected with a belt sander contact wheel supporting mechanism, a pressure sensor is arranged on the belt sander contact wheel supporting mechanism and connected with a pressure compensation device, and the pressure compensation device comprises a linear guide rail, a sliding block actuating assembly and an air cylinder. The utility model has simple and reasonable structure, and adopts the pressure compensation device to compensate the pressure of the abrasive belt on the abrasive belt contact wheel, so that the abrasive belt contact wheel keeps balance and the polishing effect of the abrasive belt is ensured; the pressure sensor can be used for measuring the working pressure of the abrasive belt contact wheel in real time, compensation is carried out according to the measured pressure, the compensation precision is improved, and meanwhile overcompensation is avoided.
Description
Technical Field
The utility model relates to an abrasive band machine technical field specifically, relates to a mechanism suitable for adjustment of abrasive band machine contact wheel operating pressure.
Background
The unbalance of the contact wheel and the roundness error of the abrasive belt machine can cause vibration during grinding, so that the roughness of the processed surface is increased, and important measures for obtaining the processed surface with low roughness by dynamic balance of the contact wheel and excircle trimming are taken. The pressure of the abrasive belt acting on the abrasive belt contact wheel causes the abrasive belt contact wheel to lose balance, and the polishing effect of the abrasive belt can be influenced after the abrasive belt contact wheel loses balance. At present, international and domestic manufacturers adopt manual adjustment measures for pressure adjustment of the contact wheel of the belt sander, and a monitoring feedback link is not provided. Its advantages are simple structure and low cost; the pressure of the contact wheel of the belt sander is inaccurate and unstable, and the belt sander is not suitable for high-requirement precise sanding occasions and is also not suitable for the field of scientific and technical research.
Patent document CN207629789U discloses a tensioning adjustment mechanism for an abrasive belt machine, which includes an abrasive belt contact wheel, an abrasive belt driven wheel, and an abrasive belt disposed on the abrasive belt contact wheel and the abrasive belt driven wheel, wherein a main shaft of the abrasive belt contact wheel is supported by a fixing plate, a tensioning cylinder is disposed on the fixing plate, an output end of the tensioning cylinder is connected to a main shaft of the abrasive belt driven wheel through a sliding table assembly disposed on the fixing plate, and the tensioning adjustment mechanism further includes an offset adjustment mechanism for the abrasive belt driven wheel, and the offset adjustment mechanism for the abrasive belt driven wheel drives the main shaft of the abrasive belt driven wheel to rotate around a rotating shaft perpendicular to. According to the technical scheme, the abrasive belt contact wheel is subjected to tensioning adjustment and offset adjustment through the abrasive belt machine tensioning adjustment mechanism, but the balance of the abrasive belt contact wheel is difficult to guarantee only through adjustment of the tensioning mechanism when the rotating speed is high and the vibration is large.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a mechanism suitable for adjustment of abrasive band machine contact wheel operating pressure.
According to the utility model, the mechanism suitable for adjusting the working pressure of the contact wheel of the belt sander comprises the contact wheel of the belt sander, a support mechanism of the contact wheel of the belt sander, a pressure sensor and a pressure compensation device;
the belt sander contact wheel is connected with a belt sander contact wheel supporting mechanism, a pressure sensor is arranged on the belt sander contact wheel supporting mechanism, and the pressure sensor is connected with a pressure compensation device.
Preferably, the pressure compensation device comprises a linear guide rail, a slide block actuating assembly and a cylinder;
the linear guide rail is arranged on the opposite side of one side, connected with the contact wheel of the belt sander, of the contact wheel supporting mechanism of the belt sander, the sliding block actuating assembly is arranged on the linear guide rail, one end of the sliding block actuating assembly is connected with the contact wheel supporting mechanism of the belt sander, the other end of the sliding block actuating assembly is connected with the air cylinder, and the sliding block actuating assembly can slide on the linear guide rail in a reciprocating mode under the action of the air cylinder.
Preferably, the pressure compensation device further comprises a proportional pressure control valve, and the proportional pressure control valve is connected with the air cylinder.
Preferably, the pressure compensation device further comprises a controller, and the controller is connected with the pressure sensor and the proportional pressure control valve.
Preferably, the device further comprises a drag chain, and the drag chain is arranged on the contact wheel supporting mechanism of the belt sander.
According to the utility model, the mechanism suitable for adjusting the working pressure of the contact wheel of the belt sander comprises the contact wheel of the belt sander, a support mechanism of the contact wheel of the belt sander, a pressure sensor and a pressure compensation device;
the belt sander contact wheel is connected with a belt sander contact wheel supporting mechanism, a pressure sensor is arranged on the belt sander contact wheel supporting mechanism, and the pressure sensor is connected with a pressure compensation device;
the pressure compensation device comprises a linear guide rail, a sliding block actuating assembly and a cylinder;
the linear guide rail is arranged on the opposite side of one side, connected with the contact wheel of the belt sander, of the contact wheel supporting mechanism of the belt sander, a sliding block actuating assembly is arranged on the linear guide rail, one end of the sliding block actuating assembly is connected with the contact wheel supporting mechanism of the belt sander, the other end of the sliding block actuating assembly is connected with a cylinder, and the sliding block actuating assembly can slide on the linear guide rail in a reciprocating mode under the action of the cylinder;
the pressure compensation device also comprises a proportional pressure control valve, and the proportional pressure control valve is connected with the air cylinder;
the pressure compensation device also comprises a controller, and the controller is connected with the pressure sensor and the proportional pressure control valve;
the belt sander also comprises a drag chain, wherein the drag chain is arranged on a contact wheel supporting mechanism of the belt sander.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model has the advantages of simple and reasonable structure, the pressure that adopts pressure compensation arrangement to the abrasive band that the abrasive band contact wheel received compensates for abrasive band contact wheel keep balance guarantees the polishing effect on abrasive band.
2. The utility model discloses a pressure sensor can carry out real-time measurement to the operating pressure of abrasive band contact wheel, compensates according to measured pressure, has improved the compensation precision and has avoided the overcompensation simultaneously.
3. The utility model discloses a proportional pressure control valve adjusts the offset force of cylinder output, can the size of accurate adjustment offset force for abrasive band contact wheel keep balance.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the proportional pressure control valve of the present invention.
The figures show that:
01-abrasive belt 05-linear guide rail
02-abrasive belt machine contact wheel 06-cylinder
03-belt sander contact wheel supporting mechanism 07-proportional pressure control valve
04-pressure sensor 08-drag chain
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
According to the utility model, as shown in fig. 1-2, the mechanism suitable for adjusting the working pressure of the contact wheel of the belt sander comprises a belt sander contact wheel 02, a belt sander contact wheel supporting mechanism 03, a pressure sensor 04 and a pressure compensation device; the belt sander contact wheel 02 is connected with a belt sander contact wheel supporting mechanism 03, a pressure sensor 04 is arranged on the belt sander contact wheel supporting mechanism 03, and the pressure sensor 04 is connected with a pressure compensation device.
The pressure compensation device comprises a linear guide rail 05, a sliding block actuating assembly and a cylinder 06; the linear guide rail 05 is arranged on the opposite side of one side, connected with the abrasive belt machine contact wheel 02, of the abrasive belt machine contact wheel supporting mechanism 03, a sliding block actuating assembly is arranged on the linear guide rail 05, one end of the sliding block actuating assembly is connected with the abrasive belt machine contact wheel supporting mechanism 03, the other end of the sliding block actuating assembly is connected with the air cylinder 06, and the sliding block actuating assembly can slide on the linear guide rail 05 in a reciprocating mode under the action of the air cylinder 06. The pressure compensation device also comprises a proportional pressure control valve 07, and the proportional pressure control valve 07 is connected with the air cylinder 06. The pressure compensation device further comprises a controller, and the controller is connected with the pressure sensor 04 and the proportional pressure control valve 07. The drag chain 08 is arranged on the contact wheel supporting mechanism 03 of the belt sander, and the drag chain 08 has the function of preventing pipelines from being tangled when the sliding block actuating assembly pushes the contact wheel supporting mechanism 03 of the belt sander to move. Preferably, the cylinder 06 is a high precision low friction cylinder.
An object of the utility model is to provide a hardware structure, based on the utility model discloses a further improvement helps realizing following function:
when the belt sander works, the grinding force F directly acts on an abrasive belt 01, then the grinding force F is transmitted to the pressure sensor 04 through the belt sander contact wheel 02 and the belt sander contact wheel supporting mechanism 03, the pressure sensor 04 transmits pressure information measured in real time to the controller, the controller knows the working pressure of the belt sander contact wheel 02 from the pressure information, and in order to ensure that the belt sander contact wheel 02 normally works, the thrust generated by the air cylinder 06 is adopted to balance the working pressure of the belt sander contact wheel 02. When the pressure of the contact wheel 02 of the belt sander needs to be set or adjusted, a numerical value can be set in the controller, then the proportional pressure control valve 07 outputs an initial corresponding pressure to drive the air cylinder 06 to compensate the working pressure of the contact wheel 02 of the belt sander according to the calculation result of the controller, the working pressure of the contact wheel 02 of the belt sander can be correspondingly changed after compensation, the change result can be measured by the pressure sensor 04 and then transmitted to the controller, the controller can be compared with the set pressure after receiving the pressure data of the pressure sensor 04, if the pressure data has a deviation, the adjustment direction and the amplitude are calculated again and sent to the proportional pressure control valve 07, the driving pressure of the air cylinder 06 is adjusted, closed-loop adjustment control is formed, accurate adjustment of the working pressure of the contact wheel 02 of the belt sander can be finally achieved, and dynamic stability can be kept. By adopting the force measuring structure of the pressure sensor 04, the problem that the working pressure of the contact wheel 02 of the belt sander can be measured and monitored is solved; by adopting the proportional pressure control valve 07 and the high-precision low-friction cylinder 06, the problem of low working pressure control precision of the contact wheel 02 of the belt sander is solved; by adopting the closed-loop control system, the control problem of the working pressure of the contact wheel 02 of the belt sander is solved, and the real-time stability of pressure control is realized.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (6)
1. A mechanism suitable for adjusting the working pressure of a contact wheel of an abrasive belt machine is characterized by comprising a contact wheel (02) of the abrasive belt machine, a contact wheel supporting mechanism (03) of the abrasive belt machine, a pressure sensor (04) and a pressure compensation device;
the belt sander contact wheel (02) is connected with a belt sander contact wheel supporting mechanism (03), a pressure sensor (04) is arranged on the belt sander contact wheel supporting mechanism (03), and the pressure sensor (04) is connected with a pressure compensation device.
2. The mechanism suitable for the adjustment of the working pressure of the contact wheel of the belt sander as set forth in claim 1, wherein the pressure compensation device comprises a linear guide rail (05), a slider actuating assembly and a cylinder (06);
the linear guide rail (05) is arranged on the opposite side of one side, connected with the belt sander contact wheel (02), of the belt sander contact wheel supporting mechanism (03), a slider actuating assembly is arranged on the linear guide rail (05), one end of the slider actuating assembly is connected with the belt sander contact wheel supporting mechanism (03), the other end of the slider actuating assembly is connected with the air cylinder (06), and the slider actuating assembly can slide on the linear guide rail (05) in a reciprocating mode under the action of the air cylinder (06).
3. The mechanism suitable for adjusting the working pressure of the contact wheel of the belt sander as set forth in claim 2, wherein the pressure compensation device further comprises a proportional pressure control valve (07), and the proportional pressure control valve (07) is connected with the cylinder (06).
4. The mechanism for regulating the working pressure of the contact wheel of the belt sander as set forth in claim 3, wherein the pressure compensation device further comprises a controller, and the controller is connected with the pressure sensor (04) and the proportional pressure control valve (07).
5. The mechanism suitable for adjusting the working pressure of the contact wheel of the belt sander as recited in claim 1, further comprising a drag chain (08), wherein the drag chain (08) is arranged on the support mechanism (03) of the contact wheel of the belt sander.
6. A mechanism suitable for adjusting the working pressure of a contact wheel of an abrasive belt machine is characterized by comprising a contact wheel (02) of the abrasive belt machine, a contact wheel supporting mechanism (03) of the abrasive belt machine, a pressure sensor (04) and a pressure compensation device;
the belt sander contact wheel (02) is connected with a belt sander contact wheel supporting mechanism (03), a pressure sensor (04) is arranged on the belt sander contact wheel supporting mechanism (03), and the pressure sensor (04) is connected with a pressure compensation device;
the pressure compensation device comprises a linear guide rail (05), a sliding block actuating assembly and a cylinder (06);
the linear guide rail (05) is arranged on the opposite side of one side, connected with the belt sander contact wheel (02), of the belt sander contact wheel supporting mechanism (03), a slider actuating assembly is arranged on the linear guide rail (05), one end of the slider actuating assembly is connected with the belt sander contact wheel supporting mechanism (03), the other end of the slider actuating assembly is connected with an air cylinder (06), and the slider actuating assembly can slide on the linear guide rail (05) in a reciprocating mode under the action of the air cylinder (06);
the pressure compensation device further comprises a proportional pressure control valve (07), and the proportional pressure control valve (07) is connected with the air cylinder (06);
the pressure compensation device further comprises a controller, and the controller is connected with the pressure sensor (04) and the proportional pressure control valve (07);
the belt sander further comprises a drag chain (08), wherein the drag chain (08) is arranged on a contact wheel supporting mechanism (03) of the belt sander.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021861841.9U CN212947071U (en) | 2020-08-31 | 2020-08-31 | Mechanism suitable for adjusting working pressure of contact wheel of belt sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021861841.9U CN212947071U (en) | 2020-08-31 | 2020-08-31 | Mechanism suitable for adjusting working pressure of contact wheel of belt sander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212947071U true CN212947071U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021861841.9U Active CN212947071U (en) | 2020-08-31 | 2020-08-31 | Mechanism suitable for adjusting working pressure of contact wheel of belt sander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212947071U (en) |
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2020
- 2020-08-31 CN CN202021861841.9U patent/CN212947071U/en active Active
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