CN102909633B - Micro abrasive belt tool grinding device - Google Patents

Micro abrasive belt tool grinding device Download PDF

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Publication number
CN102909633B
CN102909633B CN201210468181.1A CN201210468181A CN102909633B CN 102909633 B CN102909633 B CN 102909633B CN 201210468181 A CN201210468181 A CN 201210468181A CN 102909633 B CN102909633 B CN 102909633B
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China
Prior art keywords
tension
spring
abrasive band
wheel shaft
tension wheel
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CN201210468181.1A
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CN102909633A (en
Inventor
任家隆
任近静
丁庆明
赵礼刚
管小燕
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NANTONG HUALIANG BODY-BUILT EQUIPMENT CO.,LTD.
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Jiangsu University of Science and Technology
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Abstract

The invention discloses a micro abrasive belt tool grinding device which comprises a base, a driving wheel, a driven wheel, an abrasive belt and a tension wheel system, wherein the tension wheel system comprises an inclined groove, a spring and a tension wheel arranged on the side faces of the base; the lower end of the inclined groove is connected with a tension wheel bracket; and one end of the spring is contacted with the tension wheel bracket, and the other end of the spring is connected with a guide post. The tension degree of the abrasive belt is automatically adjusted through the self weight component force of the tension wheel system and the acting force generated by the spring being compressed, and the acting force of the abrasive belt is balanced by the spring through changing the degree of extension when the acting force on the abrasive belt is changed; the vibration generated when the abrasive belt is rotated can be absorbed and reduced through the spring so that unnecessary vibration is eliminated; when the tension wheel bracket is blocked in the inclined groove, the state of the tension wheel bracket can be changed through the spring; and proper tension degree of the abrasive belt is ensured so that the surface of a machined surface is ensured.

Description

A kind of miniature abrasive band tool grinder device
Technical field
The present invention relates to Machining Technology field, be specifically related to a kind of miniature abrasive band tool grinder device.
Background technology
In recent years, because the requirement to machined surface quality constantly improves, with abrasive band, finished surface is carried out to the demand that flexible polishing improves surface quality increasing.Not only operating efficiency is low in traditional manual sand papering, and labour intensity is large, requires also very high to workman's operating technology; Large-scale abrasive belt grinding machine is generally the equipment for special-purpose, occupied ground is large, the convenience, portability, the flexibility deficiency that use, miniature abrasive band tool grinder has made up the above-mentioned deficiency of large-scale abrasive belt grinding machine, in little micro workpiece processing, can reduce workman's labour intensity, reduce the requirement of the technology to workman's operation, also improved the surface quality of workpiece machining surface simultaneously, improved workman's operating efficiency.Existing abrasive belt grinding machine relies on the distance regulating between driven pulley and driving wheel base to regulate the tensioning degree in abrasive band, and the shortcoming of this regulative mode is to occur could implementing large variation at machined surface quality, can not complete online; Simultaneously artificial regulating action, varies with each individual, and can not ensure the adjusting self-consistentency of the tensioning degree in abrasive band, thereby causes regulating the inconsistency of front and back work piece crudy; Meanwhile, also can be by abrasive band when the amplitude variations of power source motor the mass formation adverse influence to surface to be machined.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of miniature abrasive band tool grinder device, both solved original existence can not be in good time online the tensioning problem in adjusting abrasive band, can solve again because motor speed fluctuation causes the poor vibrative problem of system stiffness, thereby ensure the surface quality of work piece.
Technical scheme: for achieving the above object, the miniature abrasive band of one of the present invention tool grinder device, comprise base, driving wheel and driven pulley, driving wheel is connected by abrasive band with driven pulley, between described driven pulley and driving wheel, be provided with regulating wheel system, regulating wheel system comprises the skewed slot that base side is provided with, spring and regulating wheel, described skewed slot lower end is provided with tension pulley support, tension pulley support is provided with tension wheel shaft, regulating wheel is arranged on tension wheel shaft, between regulating wheel and tension wheel shaft, be provided with tension wheel shaft bearing, skewed slot upper end is provided with lead, described spring one end contacts with tension pulley support, the spring other end connects lead, the tensioning degree in abrasive band automatically adjusts by deadweight component and compressed the produced active force of spring of regulating wheel system.
As preferably, the angle α of the center line of described skewed slot and horizontal plane is 30 °~45 °, can be for the active force on balance sand band, play the effect that regulates abrasive band tensile force size.The size of angle α is according to design and calculates and obtain, comparatively suitable in the time of 30 °~45 °, for example, can be the numerical value such as 35 °, 40 °.
As preferably, described spring has two, has two for spring provides the lead of guide effect.Spring one end is connected on spring lead, and the other end acts on tension pulley support, for the active force in balance abrasive band, prevents that on the other hand tension pulley support is stuck in the skewed slot of body base on the one hand.
As preferably, described tension wheel shaft bearing is 6202 type rolling bearings.
As preferably, described tension wheel shaft two ends are equipped with screw thread, by nut, tension wheel shaft are locked on tension pulley support, and regulating wheel does gyration by tension wheel shaft bearing or the member that can bear arbitrarily this effect around tension wheel shaft.
As preferably, described lead one end is provided with screw thread, and lead is fixed on base by screw thread; Two leads are fixed on base symmetrically.
Described tension pulley support and the groove face contacting from tension pulley support should be selected different materials, to reduce coefficient of friction.Low-friction coefficient material is installed on the two sides that also can contact with body base at tension pulley support, for example: have the copper sheet material of same shape with the grooved of skewed slot, thereby reduce coefficient of friction, reduce frictional force, activity is freely in skewed slot to make tension pulley support.
Beneficial effect: miniature abrasive band of the present invention tool grinder device, by adopting the acting in conjunction of regulating wheel system deadweight component and compressed the produced active force of spring to regulate the tensioning degree in abrasive band, both utilized the tension force of spring to avoid regulating wheel stuck in skewed slot, utilize again the flexible of spring to change the tensioning degree in abrasive band and eliminate abrasive band vibration, online timely adjustment abrasive band degree of tightness, thereby the surface quality of guarantee work piece.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the D-D cutaway view of Fig. 1;
Fig. 3 is the F-F cutaway view of Fig. 1;
Fig. 4 is the top view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figures 1 to 4, the miniature abrasive band of one of the present invention tool grinder device, comprises base 1, driving wheel 16 and driven pulley 6, and base 1 is monoblock cast part, can improve the rigidity of member, driving wheel 16 is arranged on macro-axis 4, and macro-axis 4 two ends are provided with large axle bearing 3, and macro-axis 4 is arranged on base 1 by bearing base 2, driven pulley 6 is arranged on little axle 9, little axle 9 two ends are provided with little axle bearing 8, and little axle bearing 8 is arranged in the reserved axis hole of base 1, and little axle 9 ends are provided with little hubcap 7.Wherein, large axle bearing 3, little axle bearing 8 and tension wheel shaft bearing 12 are 6202 type rolling bearings or can bear arbitrarily the member of this effect.Driving wheel 16 is connected by abrasive band 5 with driven pulley 6, between driven pulley 6 and driving wheel 16, be provided with regulating wheel system, regulating wheel system comprises the skewed slot that base 1 side is provided with, spring 11, tension pulley support 13, regulating wheel 15, skewed slot is a logical skewed slot of offering in the side of body base 1, be used for installing tension pulley support 13, tension pulley support 13 is installed tension wheel shaft 14, regulating wheel 15 is arranged on tension wheel shaft 14, between regulating wheel 15 and tension wheel shaft 14, be provided with tension wheel shaft bearing 12, skewed slot upper end is provided with lead 10, spring 11 is on the space between base 1 and tension pulley support 13, spring 11 one end contact with tension pulley support 13, spring 11 other ends connect lead 10.
In the present embodiment, spring 11 has two, and lead 10 has two, and the angle α of skewed slot and horizontal plane is 30 °~45.Tension wheel shaft 14 is arranged in the axis hole on tension pulley support 13, tension wheel shaft 14 two ends are processed with screw thread, adjust tension wheel shaft 14 and lock it on tension pulley support 13 by nut 17, regulating wheel 15 is arranged on tension wheel shaft 14, between regulating wheel 15 and tension wheel shaft 14, tension wheel shaft bearing 12 is installed.Regulating wheel 15 rotates around tension wheel shaft 14 by tension wheel shaft bearing 12, and tension wheel shaft 14 is fixed on tension pulley support 13, does not do gyration.
In the present embodiment, abrasive band 5 is arranged on driving wheel 16, driven pulley 6 and regulating wheel 15, utilizes regulating wheel system deadweight component and compressed the produced active force of the spring 11 abrasive band tensioning degree that automatically adjusts.In active force on abrasive band 5 changes, change telescopic level and come the active force in balance abrasive band 5 by spring 11; The vibration producing in the time that rotate in abrasive band 5 also can be absorbed and be reduced to such an extent as to eliminate unnecessary vibration by spring 11; Stuck in skewed slot time at tension pulley support 13, also can change by spring 11 state of tension pulley support 13, ensure the suitable tensioning degree in abrasive band 5, thereby ensure the quality of surface to be machined.
Specifically, in the present invention, the acting in conjunction that is produced the component of regulating wheel system own wt and compressed the produced active force of spring 11 by the groove of skewed slot to angle, can apply certain tensile force to abrasive band 5, has so just played the regulating action to abrasive band 5 tensionings.When work, driving wheel 16 is worked under the traction of motor, passes motion to driven pulley 6 and regulating wheel 15 by abrasive band 5, drives driven pulley 6 and regulating wheel 15 to do gyration.When changing, the power on abrasive band 5 causes 5 tensile forces whens fluctuation of abrasive band, according to the principle of active force and reaction force, stressedly on regulating wheel 15 also can change, so in the time running into the fluctuation of the larger variation generation of motor speed generation or cutting force changes in grinding process, under acting in conjunction by the component of regulating wheel system own wt and compressed the produced active force of spring 11, can realize external equilibrium of forces, reduce and absorb unnecessary vibration.Lead 10 is processed with screw thread with the part that body base 1 is connected in addition, can carry out the tightness of regulating spring 11 by the length that regulates lead 10, thereby plays the effect that regulates regulating wheel system.In the course of the work, in the time that abrasive band 5 too relaxes, due to 11 thrust of spring, tightened abrasive band 5; In the time that too tighten in abrasive band 5, due to elastic force and the clamping system Action of Gravity Field of spring 11, make abrasive band 5 keep suitable elasticity.Regulating wheel system can regulate automatically according to external force size the degree of tightness in abrasive band 5, does not need artificial adjusting, carrys out balance external force according to actual stressing conditions; avoid abrasive band 5 too tensioning or abrasive band 5 too lax; protection abrasive band 5, the service life in prolongation abrasive band 5, the quality of guarantee surface to be machined.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (7)

1. a miniature abrasive band tool grinder device, it is characterized in that: comprise base (1), driving wheel (16) and driven pulley (6), driving wheel (16) is connected by abrasive band (5) with driven pulley (6), it is characterized in that: between described driven pulley (6) and driving wheel (16), be provided with regulating wheel system, regulating wheel system comprises the skewed slot that base (1) side is provided with, spring (11) and regulating wheel (15), described skewed slot lower end is provided with tension pulley support (13), tension pulley support (13) is provided with tension wheel shaft (14), regulating wheel (15) is arranged on tension wheel shaft (14), between regulating wheel (15) and tension wheel shaft (14), be provided with tension wheel shaft bearing (12), skewed slot upper end is provided with lead (10), described spring (11) one end contacts with tension pulley support (13), spring (11) other end connects lead (10), the tensioning degree in abrasive band (5) automatically adjusts by deadweight component and compressed the produced active force of spring of regulating wheel system.
2. the miniature abrasive band of one according to claim 1 tool grinder device, is characterized in that: the angle α of the center line of described skewed slot and horizontal plane is 30 ° ~ 45 °.
3. the miniature abrasive band of one according to claim 1 tool grinder device, is characterized in that: described spring (11) has two, has two for spring (11) provides the lead (10) of guide effect.
4. the miniature abrasive band of one according to claim 1 tool grinder device, is characterized in that: described tension wheel shaft bearing (12) is 6202 type rolling bearings.
5. the miniature abrasive band of one according to claim 1 tool grinder device, it is characterized in that: described tension wheel shaft (14) two ends are equipped with screw thread, by nut (17), tension wheel shaft (14) is locked to tension pulley support (13) upper, regulating wheel (15) does gyration by tension wheel shaft bearing (12) around tension wheel shaft (14).
6. the miniature abrasive band of one according to claim 1 tool grinder device, is characterized in that: described lead (10) one end is provided with screw thread, and two leads (10) are fixed on base (1) symmetrically by screw thread.
7. the miniature abrasive band of one according to claim 1 tool grinder device, it is characterized in that: the two sides that described tension pulley support (13) contacts with body base (1) is provided with the copper sheet material for reducing coefficient of friction, and the grooved of described copper sheet material and skewed slot has same shape.
CN201210468181.1A 2012-11-19 2012-11-19 Micro abrasive belt tool grinding device Active CN102909633B (en)

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103363045A (en) * 2013-07-25 2013-10-23 上海长园电子材料有限公司 Tensioning wheel and transmission
CN104070436A (en) * 2014-07-16 2014-10-01 李立武 Polisher
CN105345627B (en) * 2015-11-09 2017-10-13 成都金科达铝业有限公司 Surface of aluminum plate processing unit (plant)
CN109202642A (en) * 2018-09-30 2019-01-15 王森 Multifunctional hole-drilling polishing all-in-one machine
CN109590862A (en) * 2018-11-16 2019-04-09 肇庆学院 A kind of flexible polishing belt sander
CN109759954B (en) * 2019-03-19 2024-04-26 王承辉 Polishing dynamics controlling means and contain device's automatic polishing equipment
CN111644950B (en) * 2020-06-12 2022-04-29 高邮市仁和机械配件厂 Abrasive belt machine belt wheel device convenient to adjustment abrasive paper area rate of tension
CN111958425B (en) * 2020-08-14 2023-03-07 重庆大学 Multi-contact profile abrasive belt grinding device

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CN2690112Y (en) * 2003-11-19 2005-04-06 张明亮 Abrasive band polishing and grinder head
CN101181780A (en) * 2007-12-20 2008-05-21 陈美青 Tensioning device of polishing machine
CN202894947U (en) * 2012-11-19 2013-04-24 江苏科技大学 Minitype sanding belt tool grinding device

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JP2001191242A (en) * 1999-12-28 2001-07-17 Kawasaki Heavy Ind Ltd Belt type polishing tool
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Publication number Priority date Publication date Assignee Title
CN2690112Y (en) * 2003-11-19 2005-04-06 张明亮 Abrasive band polishing and grinder head
CN101181780A (en) * 2007-12-20 2008-05-21 陈美青 Tensioning device of polishing machine
CN202894947U (en) * 2012-11-19 2013-04-24 江苏科技大学 Minitype sanding belt tool grinding device

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Address after: 212003 Zhenjiang City, Jiangsu province dream Creek Road, No. 2

Applicant after: JIANGSU University OF SCIENCE AND TECHNOLOGY

Address before: 212003, 2, Mengxi Road, Zhenjiang, Jiangsu, Nanjing

Applicant before: Jiangsu University of Science and Technology

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Effective date of registration: 20180208

Address after: 226432 Rudong County, Nantong City, Jiangsu

Patentee after: NANTONG HUALIANG BODY-BUILT EQUIPMENT CO.,LTD.

Address before: 212003 Zhenjiang City, Jiangsu province dream Creek Road, No. 2

Patentee before: Jiangsu University of Science and Technology

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Denomination of invention: A micro abrasive belt tool grinding device

Effective date of registration: 20220630

Granted publication date: 20141022

Pledgee: Rudong sub branch of Bank of China Ltd.

Pledgor: NANTONG HUALIANG BODY-BUILT EQUIPMENT CO.,LTD.

Registration number: Y2022980009668

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