CN104400605A - Swinging arm type handheld grinding machine - Google Patents
Swinging arm type handheld grinding machine Download PDFInfo
- Publication number
- CN104400605A CN104400605A CN201410591777.XA CN201410591777A CN104400605A CN 104400605 A CN104400605 A CN 104400605A CN 201410591777 A CN201410591777 A CN 201410591777A CN 104400605 A CN104400605 A CN 104400605A
- Authority
- CN
- China
- Prior art keywords
- swing arm
- grinding
- bar
- sand paper
- swinging arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
- B24B27/04—Grinding machines or devices in which the grinding tool is supported on a swinging arm
-
- 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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
Abstract
The invention relates to a swinging arm type handheld grinding machine. The swinging arm type handheld grinding machine comprises a handheld part, wherein a switch is arranged at the rear end of the handheld part, a motor is arranged at the middle part of the handheld part, a driving bevel gear sleeves a shaft of the motor, a driven bevel gear is arranged at the front end of the handheld part, a disc part is arranged above the driven bevel gear, a turntable sleeves a shaft of the driven bevel gear, a short column is arranged on the turntable, a swinging arm is arranged at the front end of the disc part in a hinged manner, a strip-shaped hole I is formed in the rear part of the swinging arm, a grinding paper clamp rod is arranged at the upper end of the swinging arm, a longitudinal trapezoidal groove is formed in the upper end face of the grinding paper clamp rod, and a trapezoidal strip is arranged in the trapezoidal groove; a locating notch is formed in each of the left and right sides of the lower end of the trapezoidal strip. According to the swinging arm type handheld grinding machine, the moving form of the grinding paper clamp rod is of swing-grinding, grinding paper can be clamped in the grinding paper clamp rod, so as to carry out grinding, and the grinding paper is in full contact with a workpiece to be ground, so that the grinding area is larger, the grinding paper is convenient to replace, the work efficiency is increased, and the protection on the workpiece to be ground with curve texture is better.
Description
Technical field
The present invention relates to grinding apparatus technical field, specifically the hand-held sander of a kind of swing arm.
Background technology
Iron rust is a kind of henna material, is easy to come off, and after one block of iron gets rusty completely, volume can swell 8 times.If iron rust removes not in time, because spongiform iron rust especially easily absorbs moisture, the iron in iron rust also just gets rusty faster.
In the industrial production, iron rust is more common, the raw metal piled up or melter product are after a period of time shelves, because steam in factory is comparatively large, metal is as easy as rolling off a log there is phenomenon of getting rusty, and the raw metal got rusty or melter product affect the Forming Quality of product, waste raw material, in order to remove rusty stain in time, people commonly use sand paper and polish, or the electric grinding machine that service efficiency is higher.
Existing sander mostly is electric angle grinder, due to reasons in structure, needs inclination certain angle when this sanding machine uses, buffed surface is little, for the veined structure of surperficial tool, this sanding machine is difficult to deeply polish along texture, and is easily polished by texture when doing the polishing machine polishing of turnover motion.
When adopting sand paper to polish, buffed surface is comparatively large, and sand paper is different from bistrique, and bistrique contains metal handle, and the making of bistrique requires high, and cost is high, and sand paper manufacture is simple, and cost is lower.
In order to lower-cost sand paper can be utilized better, and play the advantages such as sand papering area is large, and meet the requirement of polishing of band veined equipment, people need one that sand paper can be utilized to polish along curve texture, can not the sanding apparatus of structure of woolly grain.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the hand-held sander of a kind of swing arm.
The present invention solves its technical problem and realizes by the following technical solutions:
The hand-held sander of a kind of swing arm, comprise Handheld Division, rear end, described Handheld Division is provided with switch, motor is provided with in the middle part of Handheld Division, on the axle of described motor, cover has initiatively conical gear, and front end, Handheld Division is provided with the driven bevel gear coordinated with active conical gear, is provided with the round plate be connected with Handheld Division above described driven bevel gear, on the axle of driven bevel gear, cover has rotating disk, and described rotating disk is positioned at round plate.
Described rotating disk is provided with and rotating disk out-of-alignment short column, described round plate front end is provided with swing arm by hinged mode, the rear portion of described swing arm is provided with a bar hole, a described bar hole is enclosed within short column, the length of a bar hole be short column to rotating disk wheelbase from twice, when short column rotates on rotating disk, the length of a bar hole and short column diameter circumferentially identical.
The upper end of described swing arm is provided with sand paper folder rod, and be provided with longitudinal dovetail groove in the upper surface of described sand paper folder rod, coordinate in described dovetail groove and be provided with trapezoidal bar, the lower end of described trapezoidal bar is each side provided with a positioning recess.
The rear end of described sand paper folder rod is provided with a shoulder hole, a spring is provided with in described shoulder hole, button is connected with in spring, the left and right sides, described button upper end is all connected with rotor by hinged mode, described rotor and button junction are equipped with No. two bar holes, the middle part of rotor is all connected on the inwall of dovetail groove rear end by hinged mode, the other end of rotor is equipped with No. three bar holes, described No. three bar holes are all connected with locating dowel by hinged mode, and the left and right sides, top of described locating dowel is equipped with limited block.
The upper rear end of described dovetail groove is provided with and allows material mouth, when trapezoidal bar inserts in dovetail groove, insert in positioning recess to make locating dowel, need that positioning recess is extended and be sitting at the position directly over locating dowel, setting allows after material mouth, the material at positioning recess rear deeply can being allowed in material recess, providing sufficient headspace for being extended by positioning recess directly over locating dowel.
After described button is pressed completely, described locating dowel will be received to limited block completely.
The distance that described limited block upper surface presss from both sides excellent upper surface to sand paper is greater than the distance of positioning recess bottom surface to trapezoidal bar upper surface, ensure positioning recess extend allow material mouth within time, do not produce with limited block and interfere.
Described allowing expects that mouth is rectangular recess, the rear end of described trapezoidal bar is provided with a step coordinated with rectangular recess, described step is positioned at directly over button, and for ensureing that step inserts in rectangular recess, the height of step must be greater than the distance of limited block upper surface to dovetail groove lower surface.
The invention has the beneficial effects as follows: sand paper folder rod motion form of the present invention is for swinging polishing; can polish by sandwiched sand paper in sand paper folder rod, sand paper contacts be polished workpiece completely, and polishing area is larger; polishing raw material use cost is low; be provided with in sand paper folder rod and dismantle by manipulation button, and the trapezoidal bar of convenient disassembly, be convenient for changing sand paper; improve operating efficiency; compared with disc type bistrique, polishing lines is arc shaped, to have curve texture to be polished workpiece protectiveness better.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is stereogram of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is right view of the present invention;
Fig. 4 is the internal structure schematic diagram of sand paper of the present invention folder rod;
Fig. 5 is the sectional view of Fig. 4 along A-A;
Fig. 6 is the three-dimensional view of trapezoidal bar of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figures 1 to 6, the hand-held sander of a kind of swing arm, comprise Handheld Division 1, see Fig. 3, rear end, described Handheld Division 1 is provided with switch 2, motor 3 is provided with in the middle part of Handheld Division 1, on the axle of described motor 3, cover has initiatively conical gear 4, and front end, Handheld Division 1 is provided with the driven bevel gear 5 coordinated with active conical gear 4, is provided with the round plate 6 be connected with Handheld Division 1 above described driven bevel gear 5, on the axle of driven bevel gear 5, cover has rotating disk 7, and described rotating disk 7 is positioned at round plate 6.
Described rotating disk 7 is provided with and rotating disk 7 out-of-alignment short column 8, as shown in Figure 2, described round plate 6 front end is provided with swing arm 9 by hinged mode, the rear portion of described swing arm 9 is provided with a bar hole 24, a described bar hole 24 is enclosed within short column 8, the length of a bar hole 24 be short column 8 to rotating disk 7 wheelbase from twice, when short column 8 rotates on rotating disk 7, the length of a bar hole 24 and short column 8 diameter circumferentially identical.
The upper end of described swing arm 9 is provided with sand paper folder rod 10, and be provided with longitudinal dovetail groove 11 in the upper surface of described sand paper folder rod 10, coordinate in described dovetail groove 11 and be provided with trapezoidal bar 12, see Fig. 6, the lower end of described trapezoidal bar 12 is each side provided with a positioning recess 13.
As Fig. 4, shown in Fig. 5, the rear end of described sand paper folder rod 10 is provided with a shoulder hole 14, a spring 15 is provided with in described shoulder hole 14, button 16 is connected with in spring 15, the left and right sides, described button 16 upper end is all connected with rotor 17 by hinged mode, described rotor 17 is equipped with No. two bar holes 18 with button 16 junction, the middle part of rotor 17 is all connected on the inwall of dovetail groove 11 rear end by hinged mode, the other end of rotor 17 is equipped with No. three bar holes 19, described No. three bar holes 19 are all connected with locating dowel 20 by hinged mode, the left and right sides, top of described locating dowel 20 is equipped with limited block 21.
The upper rear end of described dovetail groove 11 is provided with to allow expects mouth 22, when trapezoidal bar 12 inserts in dovetail groove 11, insert in positioning recess 13 to make locating dowel 20, need to make positioning recess 13 extend the position be sitting at directly over locating dowel 20, setting allows after material mouth 22, the material at positioning recess 13 rear deeply can being allowed in material recess, providing sufficient headspace for being extended by positioning recess 13 directly over locating dowel 20.
After described button 16 is pressed completely, described locating dowel 20 will be received completely to limited block less than 21, avoid locating dowel 20 to interfere the insertion of dovetail groove 11.
Described limited block 21 upper surface is greater than the distance of positioning recess 13 bottom surface to trapezoidal bar 12 upper surface to the distance of excellent 10 upper surfaces of sand paper folder, ensure positioning recess 13 extend allow expect within mouth 22 time, do not produce with limited block 21 and interfere.
The described material mouth 22 that allows is for rectangular recess, the rear end of described trapezoidal bar 12 is provided with a step coordinated with rectangular recess 23, described step 23 is positioned at directly over button 16, for ensureing that step 23 inserts in rectangular recess, the height of step 23 must be greater than the distance of limited block 21 upper surface to dovetail groove 11 lower surface.
Use step is as follows: be first wrapped in by sand paper on sand paper folder rod, the two edges of sand paper are placed in dovetail groove, then press the button, button lower end moves up inside rotor, the rotor pin joint that sheet and sand paper presss from both sides rod that all rotates rotates, locating dowel is mentioned, afterwards trapezoidal bar is put into dovetail groove, the dual-side of sand paper is pressed in dovetail groove, trapezoidal bar is pushed into dovetail groove inner side, expect in mouth until described step is stuck in allow, positioning recess moves to directly over locating dowel, last release button, button resets under the action of the spring, pull down inside rotor, rotor by locating dowel upwardly, be stuck in positioning recess, thus trapezoidal bar is fixed, prevent trapezoidal bar from deviating from the swing process of sand paper folder rod.
After starting motor, short column rotates, and drive swing arm to swing, short column slides in a bar hole simultaneously, after sand paper is polished totally on sand paper folder rod, closes swap switch, presses the button, pulled out by trapezoidal bar, the sand paper more renewed.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. the hand-held sander of swing arm, comprise Handheld Division, rear end, described Handheld Division is provided with switch, be provided with motor in the middle part of Handheld Division, on the axle of described motor, cover has initiatively conical gear, and front end, Handheld Division is provided with the driven bevel gear coordinated with active conical gear, the round plate be connected with Handheld Division is provided with above described driven bevel gear, on the axle of driven bevel gear, cover has rotating disk, and described rotating disk is positioned at round plate, it is characterized in that:
Described rotating disk is provided with and rotating disk out-of-alignment short column, described round plate front end is provided with swing arm by hinged mode, the rear portion of described swing arm is provided with a bar hole, and a described bar hole is enclosed within short column, the length of a bar hole be short column to rotating disk wheelbase from twice;
The upper end of described swing arm is provided with sand paper folder rod, is provided with longitudinal dovetail groove, is provided with trapezoidal bar in described dovetail groove in the upper surface of described sand paper folder rod;
The lower end of described trapezoidal bar is each side provided with a positioning recess;
The rear end of described sand paper folder rod is provided with a shoulder hole, a spring is provided with in described shoulder hole, button is connected with in spring, the left and right sides, described button upper end is all connected with rotor by hinged mode, described rotor and button junction are equipped with No. two bar holes, the middle part of rotor is all connected on the inwall of dovetail groove rear end by hinged mode, the other end of rotor is equipped with No. three bar holes, described No. three bar holes are all connected with locating dowel by hinged mode, and the left and right sides, top of described locating dowel is equipped with limited block.
2. the hand-held sander of a kind of swing arm according to claim 1, is characterized in that: the upper rear end of described dovetail groove is provided with and allows material mouth.
3. the hand-held sander of a kind of swing arm according to claim 2, is characterized in that: after described button is pressed completely, and described locating dowel will be received to limited block completely.
4. the hand-held sander of a kind of swing arm according to claim 3, is characterized in that: the distance that described limited block upper surface presss from both sides excellent upper surface to sand paper is greater than the distance of positioning recess bottom surface to trapezoidal bar upper surface.
5. the hand-held sander of a kind of swing arm according to claim 4, it is characterized in that: described in allow material mouth be rectangular recess, the rear end of described trapezoidal bar is provided with a step coordinated with rectangular recess, described step is positioned at directly over button, and the height of step is greater than the distance of limited block upper surface to dovetail groove lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591777.XA CN104400605A (en) | 2014-10-28 | 2014-10-28 | Swinging arm type handheld grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591777.XA CN104400605A (en) | 2014-10-28 | 2014-10-28 | Swinging arm type handheld grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104400605A true CN104400605A (en) | 2015-03-11 |
Family
ID=52638304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410591777.XA Pending CN104400605A (en) | 2014-10-28 | 2014-10-28 | Swinging arm type handheld grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104400605A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563272A (en) * | 2015-12-25 | 2016-05-11 | 东华大学 | Grinding mechanism for heat insulating layer of rocket engine shell |
| CN106181701A (en) * | 2016-08-31 | 2016-12-07 | 山东豪迈机械制造有限公司 | Surface grinding device |
| CN108788306A (en) * | 2018-06-19 | 2018-11-13 | 苏州富士特金属薄板制品有限公司 | Multidirectional combined file |
| CN112108973A (en) * | 2020-09-11 | 2020-12-22 | 东台市强圣精密铸造有限公司 | Dual-motor handheld grinding machine for processing and detecting forged pieces |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB604651A (en) * | 1945-12-10 | 1948-07-07 | Lilian Kathleen Percival | Improvements in holders for abrasive cloths, polishing cloths and the like |
| US5902176A (en) * | 1997-10-07 | 1999-05-11 | Chen; Kun-You | Clamping device for a sanding tool |
| CN102310352A (en) * | 2010-07-05 | 2012-01-11 | 创科电动工具科技有限公司 | Sander |
| CN202742182U (en) * | 2012-06-19 | 2013-02-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Small-sized sanding machine |
-
2014
- 2014-10-28 CN CN201410591777.XA patent/CN104400605A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB604651A (en) * | 1945-12-10 | 1948-07-07 | Lilian Kathleen Percival | Improvements in holders for abrasive cloths, polishing cloths and the like |
| US5902176A (en) * | 1997-10-07 | 1999-05-11 | Chen; Kun-You | Clamping device for a sanding tool |
| CN102310352A (en) * | 2010-07-05 | 2012-01-11 | 创科电动工具科技有限公司 | Sander |
| CN202742182U (en) * | 2012-06-19 | 2013-02-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Small-sized sanding machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563272A (en) * | 2015-12-25 | 2016-05-11 | 东华大学 | Grinding mechanism for heat insulating layer of rocket engine shell |
| CN105563272B (en) * | 2015-12-25 | 2018-04-20 | 东华大学 | A kind of rocket engine cast heat insulation layer workpiece polishing mechanism |
| CN106181701A (en) * | 2016-08-31 | 2016-12-07 | 山东豪迈机械制造有限公司 | Surface grinding device |
| CN106181701B (en) * | 2016-08-31 | 2019-10-11 | 山东豪迈机械制造有限公司 | Surface grinding device |
| CN108788306A (en) * | 2018-06-19 | 2018-11-13 | 苏州富士特金属薄板制品有限公司 | Multidirectional combined file |
| CN112108973A (en) * | 2020-09-11 | 2020-12-22 | 东台市强圣精密铸造有限公司 | Dual-motor handheld grinding machine for processing and detecting forged pieces |
| CN112108973B (en) * | 2020-09-11 | 2022-08-16 | 东台市强圣精密铸造有限公司 | A handheld polisher for cast forging processing detects |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |
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| WD01 | Invention patent application deemed withdrawn after publication |