CN203579348U

CN203579348U - Grinding mechanism of wall grinding machine

Info

Publication number: CN203579348U
Application number: CN201320692251.1U
Authority: CN
Inventors: 解潘忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-05
Filing date: 2013-11-05
Publication date: 2014-05-07
Anticipated expiration: 2023-11-05

Abstract

The utility model discloses a grinding mechanism of a wall grinding machine. The grinding mechanism of the wall grinding machine comprises a fixing base, a rectangular grinding disc, a movable plate and a transmission shaft. The fixing base is provided with a rectangular groove. The rectangular grinding disc is arranged inside the rectangular groove of the fixing base, and the area of the rectangular grinding disc is smaller than that of the rectangular groove. The movable plate is fixed to one side face of the rectangular grinding disc and provided with a transmission groove. The extending direction of the transmission groove is substantially parallel to the length direction of the rectangular grinding disc. The transmission shaft is arranged inside the fixing base and provided with an eccentric shaft part. The eccentric shaft part is embedded into the transmission groove of the movable plate. Therefore, when the transmission shaft begins to rotate, the eccentric shaft part of the transmission shaft can drive the movable plate to act by means of pushing the wall of the transmission groove of the movable plate, so that the rectangular grinding disc vibrates in the front-back direction inside the rectangular groove along with the action of the movable plate.

Description

The grinding mechanism of wall grinding machine

Technical field

The utility model relates to the grinding mechanism of wall grinding machine technical field, particularly a kind of wall grinding machine.

Background technology

In the process of interior decoration; for paint can be attached to equably on metope; workmen can first use a wall grinding machine to grind metope conventionally, until after metope is ground to and has enough flatness, just can start metope to carry out follow-up painter's work.

With regard to the structure of conventional wall grinding machine, mainly, by the lasting vibrations of circular millstone direction all around, metope is reached to grinding effect, but when workmen moves to the position in close corner by circular millstone, circular millstone is easy to the metope adjacent with other and produces collision, so, not only may cause damage to the structure of circular millstone, simultaneously also can the grinding uniformity of related impact to each metope.Therefore, the structure of conventional wall grinding machine has the necessity of improvement really.

Utility model content

Main purpose of the present utility model is to provide a kind of grinding mechanism of wall grinding machine, and it can really stretch into place, corner and grind, and in process of lapping, can effectively avoid bumping between other metopes and damage.

In order to reach above-mentioned main purpose, grinding mechanism of the present utility model comprises a holder, a rectangle mill, a portable plate, and a power transmission shaft.This holder has a rectangular recess; This rectangle mill is positioned at the rectangular recess of this holder, and the area of this rectangle mill is less than the area of this rectangular recess; This portable plate is fixed on a side of this rectangle mill and has a driving groove, and the bearing of trend of this driving groove is parallel in fact the length direction of this rectangle mill; This power transmission shaft is located at rotationally in this holder and is had an eccentric axial portion, and this eccentric axial portion is embedded in the driving groove of this portable plate.

By above-mentioned design, when this power transmission shaft is when rotating, the eccentric axial portion of this power transmission shaft can be by promoting this portable plate the cell wall of driving groove force this portable plate to move around along the bearing of trend of this driving groove, so can synchronously drive this rectangle mill in this rectangular recess, to produce the vibrations of fore-and-aft direction.

Accompanying drawing explanation

Fig. 1 is three-dimensional combination figure of the present utility model;

Fig. 2 is three-dimensional exploded view of the present utility model;

Fig. 3 is assembled sectional view of the present utility model;

Fig. 4 is partial bottom view of the present utility model, the state that main show events plate not yet moves;

Fig. 5 is analogous to Fig. 4, the state that main show events plate moves backward;

Fig. 6 is analogous to Fig. 4, the state that main show events plate moves forward;

Fig. 7 is analogous to Fig. 1, mainly shows the stereogram of another kind of use state of the present utility model.

[symbol description]

10 wall grinding machine 12 support bars

14 bi-directional movable joint 16 sweep-up pipes

18 grinding pad 20 grinding mechanisms

30 holder 32 protecting covers

322 socket part 324 rectangular recess

326 hollow slots 34 pedestals

342 rectangle ring wall 36 first fixtures

40 rectangle mills 42 are bored a hole

50 portable plate 52 second fixtures

54 roller 56 driving grooves

58 arc-shaped depression portion 60 power transmission shafts

62 first axle part 622 rectangle axial regions

624 drive hole 64 second axle parts

642 rectangle axis hole 644 eccentric axial portion

66 clutch shaft bearing 68 second bearings

The specific embodiment

For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is described in further detail.

Refer to Fig. 1, the wall grinding machine 10 shown in figure comprises a support bar 12, and the front end of support bar 12 is provided with a two-way active joint 14, and in addition, support bar 12 connects with a sweep-up pipe 16 simultaneously.Referring again to the 2nd and 3 figure, grinding mechanism 20 of the present utility model comprises a holder 30, a rectangle mill 40, a portable plate 50, and a power transmission shaft 60.

Holder 30 has a protecting cover 32 and a pedestal 34.The end face of protecting cover 32 has the socket part 322 being socketed for sweep-up pipe 16, and the bottom surface of protecting cover 32 has a rectangular recess 324, and in addition, protecting cover 32 has a hollow slots 326, and hollow slots 326 runs through the top, two sides, the end of protecting cover 32 and is interconnected with rectangular recess 324.Pedestal 34 is fixed in bi-directional movable joint 14 and by four the first fixtures 36 (screw as shown in the figure), is locked on the end face of protecting cover 32, after installation, the hollow slots of protecting cover 32 326 can be covered, moreover, the bottom surface of pedestal 34 has a rectangle ring wall 342, and rectangle ring wall 342 is embedded in hollow slots 326 and sticks in the cell wall of hollow slots 326.

Rectangle mill 40 has multiple perforation 42 that matrix is arranged that are, when mounted, rectangle mill 40 is placed in the rectangular recess 324 of protecting cover 32 and has the area (as shown in Figure 3) that is less than rectangular recess 324, makes the rectangle mill 40 can be in the interior movement of rectangular recess 324.In addition, the bottom surface of rectangle mill 40 fixes with adhesive means and a grinding pad 18.

As shown in the 2nd to 4 figure, portable plate 50 is locked on the end face of rectangle mill 40 by four the second fixtures 52 (screw as shown in the figure), after installation can by 342 of the rectangle ring walls of pedestal 34 round, each the second fixture 52 is arranged with a roller 54, and each roller 54 can be connected to rectangle ring wall 342 by moving of portable plate 50.In addition, portable plate 50 has a driving groove 56 that runs through top, two sides, the end, and the bearing of trend of driving groove 56 is parallel in fact the length direction of rectangle mill 40, and the cell wall of driving groove 56 is provided with two arc-shaped depression portion 58 that are mirror symmetry.

Power transmission shaft 60 has one first axle part 62 and one second axle part 64, and first,

second axle part

62,64 is respectively by a clutch shaft bearing 66 and one second bearing 68 and be located at rotationally in the pedestal 34 of holder 30.The bottom of the first axle part 62 has a rectangle axial region 622, the top of the second axle part 64 has a rectangle axis hole 642, the rectangle axis hole 642 of the second axle part 64 is for rectangle axial region 622 clampings of the first axle part 62, make first, the

second axle part

62, 64 link together and can synchronously rotate, in addition, the top of the first axle part 62 has a drive hole 624, drive hole 624 wears fixing for a cable wire (not shown), the bottom of the second axle part 64 has an eccentric axial portion 644, eccentric axial portion 644 is embedded in the driving groove 56 of portable plate 50 and stretches in one of them perforation 42 of rectangle mill 40 via the hollow slots 326 of protecting cover 32.

From the above, when cable wire is subject to the driving of a motor (not shown) and drives power transmission shaft 60 to rotate, one of them arc-shaped depression portion 58 of the driving groove 56 of the first ejection portable plate 50 of eccentric axial portion 644 meeting of power transmission shaft 60, as shown in Figure 5, force portable plate 50 to move (that is moving towards the left of drawing) along the length direction of driving groove 56 backward, then when the another one arc-shaped depression portion 58 of the driving groove 56 of the eccentric axial portion 644 ejection portable plates 50 of power transmission shaft 60, as shown in Figure 6, portable plate 50 can move along the length direction of driving groove 56 the right-hand movement of drawing (that is towards) forward, hence one can see that, the lower meeting that continues to rotate at power transmission shaft 60 synchronously drives portable plate 50 front and back to move around, portable plate 50 now can drive the vibrations of coupled rectangle mill 40 at the interior generation fore-and-aft direction of rectangular recess 324, allow the grinding pad 18 that is cemented at rectangle mill 40 carry out milled processed to metope.

But it should be added that at this; in the eccentric axial portion 644 of power transmission shaft 60, drive in the process that portable plate 50 moves forward and backward; the rectangle ring wall 342 of understanding some and pedestal 34 in the middle of those rollers 54 produces touching slightly; be used for guaranteeing that portable plate 50 can only move forward and backward and cannot move left and right on the one hand; that is the moving direction of restraint plate 50, allow on the other hand portable plate 50 by the rolling of roller 54, carry out the smoothness of lifting mobile.

In sum, the rectangle mill 40 that grinding mechanism 20 of the present utility model is used can not have restriction in shape as existing circular millstone, and can really stretch into place, corner, grind, in process of lapping, pass through the clamping relation between the eccentric axial portion 644 of power transmission shaft 60 and the driving groove 56 of portable plate 50 simultaneously, make rectangle mill 40 can do along with portable plate 50 vibrations of fore-and-aft direction, so can effectively reduce the chance that rectangle mill 40 bumps in process of lapping and between other metopes, to reach the purpose of this utility model.In addition, grinding mechanism 20 of the present utility model has different occupation modes, as shown in Figure 7, for example holder 30 can be installed together with rectangle mill 40 and portable plate 50 90 modes of spending of rotating take power transmission shaft 60 as axle center, make rectangle mill 40 can drive grinding pad 18 to do the vibrations of left and right directions, to meet different user demands.

Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a grinding mechanism for wall grinding machine, comprising:

One holder, has a rectangular recess;

One rectangle mill, is located in the rectangular recess of this holder, and the area of this rectangle mill is less than the area of this rectangular recess;

One portable plate, is fixed on a side of this rectangle mill and has a driving groove, and the bearing of trend of this driving groove is parallel to the length direction of this rectangle mill; And

One power transmission shaft, is located at rotationally in this holder and has an eccentric axial portion, and this eccentric axial portion is embedded in the driving groove of this portable plate.

2. the grinding mechanism of wall grinding machine as claimed in claim 1, is characterized in that, the cell wall of the driving groove of this portable plate is provided with two arc-shaped depression portion that are mirror symmetry.

3. the grinding mechanism of wall grinding machine as claimed in claim 1, is characterized in that, this holder has a protecting cover and a pedestal, and this protecting cover has the hollow slots of this rectangular recess of connection, and this pedestal is fixed on a side of this protecting cover and covers this hollow slots; This power transmission shaft is located in this pedestal rotationally and the eccentric axial portion of this power transmission shaft is embedded in the driving groove of this portable plate via the hollow slots of this protecting cover.

4. the grinding mechanism of wall grinding machine as claimed in claim 3, is characterized in that, the pedestal of this holder has a rectangle ring wall, and this rectangle ring wall sticks in the cell wall of the hollow slots of this protecting cover and is centered around this portable plate around.

5. the grinding mechanism of wall grinding machine as claimed in claim 4, it is characterized in that, this portable plate is fixed on this rectangle mill by least two fixtures, and respectively this fixture is arranged with a roller, and respectively this roller can touch by moving of this portable plate the rectangle ring wall of this pedestal.

6. the grinding mechanism of wall grinding machine as claimed in claim 1, it is characterized in that, this power transmission shaft has one first axle part and one second axle part, one end of this first axle part has a rectangle axial region, one end of this second axle part has a rectangle axis hole, this rectangle axis hole is for the rectangle axial region clamping of this first axle part, and the other end of this second axle part has this eccentric axial portion.

7. the grinding mechanism of wall grinding machine as claimed in claim 1, is characterized in that, this rectangle mill has multiple perforation, and the eccentric axial portion of this power transmission shaft stretches in wherein this perforation.