CN1069923A

CN1069923A - Belt grinding machine

Info

Publication number: CN1069923A
Application number: CN92108865A
Authority: CN
Inventors: U·迈耶
Original assignee: Farros Blatter AG
Current assignee: Farros Blatter AG
Priority date: 1991-07-31
Filing date: 1992-07-31
Publication date: 1993-03-17
Also published as: KR930702121A; CA2092994A1; EP0553311A1; JPH06502593A; WO1993002835A1

Abstract

A kind of belt grinding machine, it has the grinding band (76) through driven roller (86) and touch roll (78) operation, grinds band (76) and opens the device tensioning by band.In order to improve cooperating of touch roll (78) and surface to be ground (4), touch roll (78) has a unsteady bearing, and in addition, the both sides of touch roll (78) are provided with the guide roller (80,82) that is used for grinding band (76).

Description

Belt grinding machine

The present invention relates to a kind of belt grinding machine, it has a grinding band through driven roller and touch roll operation, and a band is opened device.

Above-mentioned this belt grinding machine is open by a lot of documents, for example CH-PS668212.This belt grinding machine more complicated, it needs special bearing and guider, so that the touch roll that adapts to surface configuration to be ground is led, so the expense costliness.

Task of the present invention is, the belt grinding machine that provides a kind of this paper to start described type, and it has simple structure and is easy to uses.

Task of the present invention is solved by following measure, and promptly touch roll is a floating support, and its both sides have the guide roller that is used to grind band.The unsteady bearing of touch roll can adapt to the shape on surface to be ground, and as the surface of corrugation rolls, the surfaces externally and internally and the similar surfaces of container, at this, guider can be simplified, but still can obtain high accuracy and high-quality surface.

The layout of grinding the unsteady bearing of band touch roll can have multiple mode.A kind of favourable layout is, the axle of touch roll is arranged in the device of longitudinally guiding, and this guider is perpendicular to work surface, and the axle both sides of touch roll are preferably by spring-loaded.Another kind of improved structure is, on piston cylinder assembly, the corresponding pressure chamber of this assembly communicates by pipeline the axle of touch roll at two-side supporting, and this layout makes the pressure of touch roll remain unchanged in all angle positions of touch roll.The particularly advantageous layout of said modules is, piston cylinder assembly is connected with a fluid pressure device and touch roll can be fed into work surface, and this makes the automatic accurate adjustment feeding of belt lapping device become possibility.Can adopt variety of way will grind the band tensioning, for example adopt idler roller or analog.A kind of simple and favourable especially layout is, grinder has a motor, it is arranged on the saddle movably and has and is used for driving the driven roller that grinds band, saddle links to each other with grinding band tensioning apparatus, thus, can obtain a kind of symmetrical structure of desirable belt lapping device, to this, under the simple scenario, the belt grinding device can be made of a mechanical spring device.

A kind of favourable structure is, grind the band tensioning apparatus and have the piston cylinder assembly that the saddle with CD-ROM drive motor concurs, this assembly is by the piston cylinder assembly acting in conjunction of fluid pressure device and touch roll, the mode of action is to work as the feeding touch roll and/or add to keep man-hour tensile force constant substantially, this makes the fine setting of belt grinding machine become possibility, thereby the roller with non-periphery can be ground with constant thrust on total length, produced a kind of belt grinding machine that adapts to various grinding conditions thus, it can realize the grinding of full accuracy.

The application's grinder also can have another kind of specially suitable structure, promptly, lapping device has an orienting device, when touch roll during to the finished surface feeding, orienting device aligns the relative work surface of touch roll, like this, just avoid touch roll to be placed on obliquely on the roller to be ground, thereby also just can not produce disadvantageous grinding vestige.

To be further described embodiments of the invention by accompanying drawing below.

Fig. 1 is the side view that is placed in the other belt grinding machine of a roller,

Fig. 2 is the vertical view of grinder shown in Figure 1,

Fig. 3 is the cutaway view along the belt grinding machine support of Fig. 4 III-III line,

Fig. 4 is the cutaway view along the belt grinding machine support of Fig. 3 IV-IV line,

Fig. 5 is the cutaway view along the belt grinding machine support that has additional protection means of Fig. 6 V-V line,

Fig. 6 is the right view of protective device shown in Figure 5,

Fig. 7 is the horizontal cross of belt lapping device shown in Figure 1.

Fig. 1 and Fig. 2 are the full view of belt grinding machine, and it is arranged on for example roller of a paper machine of roller 4() device for scraping 2 next doors.Grinder comprises a support 6 that has wheel 8, and wheel 8 is placed on the scraper 10 of device for scraping 2, is in the state that has turned to from roller 4 at this device for scraping.Support 6 comprises anchor clamps 12 that have bogie wheel 14, and the bogie wheel side support is on the bearing 16 of device for scraping 2.In addition, real belt lapping device 18 is fixed on the support 6.

Anchor clamps 12 have a upper arm 20 and a underarm 22, and they intersect at the plane of wheel 8 and are fixed on the support 6, and every

arm

20,22 is provided with a two clamping element 24, and it is fixed on the

arm

20,22 by a fishbolt 26.A bar 28 that crosses above-mentioned arm is fixed on the clamping element by fishbolt 30.Bogie wheel 14 is arranged on the lower end of bar 28, and the crossing on the same level of bogie wheel 14 is in the plane of wheel 8.By clamping element 24, bar 28 not only is fixed on the

arm

20,22, and locatees in short transverse.Anchor clamps 12 are to be provided with like this, that is, make bar 28 on the centre position of support 6 between the two-wheeled 8, obtain three-point support thus, and stable especially, in addition, installation can also use belt lapping device 18 alternately to be fixed on the

end face

32 and 34 of support 6 like this.In addition, relative horizontal planes of belt grinding device 18 36 are basic to become the mirror image settings, so by the revolution of belt grinding device 18, its subsidiary buck plate 38 can be fixed on in the both ends of the

surface

32,34 of support 6 one selectively.

Fig. 3 and Fig. 4 show the detailed structure of drive unit of the wheel 8 of support 6.Support comprises a CD-ROM drive motor 40, and it is by the driving wheel 46 of a transmission device 42 and controlled clutch 44 driving cog belts 48, and cog belt 48 is through gears 50 operations, and gear 50 is fixed on the axle 52 that wheel 8 is housed.

Fig. 5 and Fig. 6 show an additional protection device 54, and its protection is at the belt grinding machine on device for scraping 2 sides, and at this, the scraper 10 of device for scraping 2 is at first substituted by a L shaped track 56 in device for scraping 2, and wheel 8 is running on track 56.Protective device 54 comprises a protection roller 58, and protection roller 58 is attached troops to a unit in wheel 8 and medial surface 60 swings that can L shaped relatively track 56, and for this reason, protection roller 58 is fixed on the swinging axle 62, and axle 62 is installed on the extending arm 64 of support 6 swingably.One rocking bar 66 is fixed on the swinging axle 62, and rocking bar 66 links to each other with a thread spindle 70 by a connection piece 68.A thread spindle 70 and a rotating sleeve pipe 72 concur, and sleeve pipe 72 has the internal thread (not shown).

Rotating sleeve pipe 72 has a wind 74 in support 6, shakes it, medial surface 60 turnover that protection roller 58 can L shaped relatively track 56 and compressing.

Fig. 1, Fig. 2 and Fig. 7 show in detail belt grinding device 18.Grinding with 76 touch rolls 78 through a floating support, be fixed on driven rollers 86 operations that 80,82 and one of the guide rollers of roller 78 both sides are driven by CD-ROM drive motor 84, CD-ROM drive motor 84 is arranged on the saddle 88, saddle 88 is installed in the shell 94, has also comprised the unsteady bearing 90 of touch roll 78 in the shell 94.Band tensioning apparatus 94 is used for tensioning and grinds band, and the saddle 88 of it and CD-ROM drive motor 84 concurs and touch roll 78 reverse tensioning driven rollers 86.Band tensioning apparatus 94 has a piston cylinder assembly 96, and assembly 96 links to each other with a fluid pressure apparatus 102 through pipeline 98,100.The unsteady bearing 90 of touch roll 78 is included in the longitudinal guide of settling in the shell 92 104,106 that is used for axle 108, is being rotatably mounted touch roll 78 on axle 108.Longitudinal guide 104,106 stretches on the direction vertical with work surface, in other words along the circumferentially extending of roller 4.In guider 104,106, axle 108 is bearing on the piston cylinder assembly 110,112 flexibly.The pressure chamber of two piston cylinder assemblies is interconnected through pipeline 114,116, and in addition, piston cylinder assembly 110,112 links to each other with fluid pressure device 102 by pipeline 118,120.Piston cylinder assembly 110,112 also is used for simultaneously to work surface (roller 4) feeding touch roll.At touch roll 78 to the work surface feeding with when leaning against this surface, for avoiding touch roll only to reach the grinding that produces pair roller 4 thus by top roll 4 on one side, an orienting device 122 is used for aligning of touch roll, orienting device 122 is included in the screw 124(with wear-resisting contact-making surface 126 that settles touch roll 78 both sides and has only drawn one), contact surface 126 grinds relatively and is no more than 0.1 millimeter after the operating position of being with is leaned on.Screw 124 is fixed on a backplate 128 that is used for unsteady bearing 90, and bearing 90 links to each other with the axle 108 of touch roll.If touch roll 78 asymmetric feedings, in two screws 124 will contact with roller 4 and touch roll 78 will be guided to the position that opposed roller 4 aligns substantially so.

Through fluid pressure device 102(gas pressure device preferably) being adjusted in this and and do not do further expression the belt lapping device.At first with 76 certain tensile forces, touch roll 78 is bearing on the corresponding piston cylinder assembly 110,112 by axle 108 piston cylinder assembly 96 to grinding, produces essential reaction force in piston cylinder assembly 110,112.If touch roll 78 advances to work surface (roller 4) by means of piston cylinder assembly 110,112, the then amount withdrawal of piston cylinder assembly 96 to determine makes the band tensile force protection of adjusting constant.During grinding, the effect of

guide roller

80,82 is to make the grinding band on the touch roll 78 keep stable, particularly when according to the shape touch roll 78 of work surface owing to its unsteady bearing 90 occupies one when departing from the position of an angle by home position.By unsteady bearing 90, touch roll 78 can be with the alteration of form position of work surface.Thus, needn't adopt special measure can finish grind a surface, particularly repair a surface.The effect of fluid pressure device 102 is, in the straight-line guidance of belt grinding device, changes the touch roll of position with the bellows-shaped of work surface, and its pressure remains constant.

Claims

1, a kind of belt grinding machine, it has a grinding band (76) and a band tensioning apparatus (96) through driven roller (86) and touch roll (78) operation, it is characterized in that touch roll (78) is a floating support.And has the guide roller (80,82) that is used for grinding band (76) in both sides.

2, according to the described grinder of claim 1, it is characterized in that, the axle (108) of touch roll (78) is arranged on longitudinal guide (104,106) in, longitudinal guide (104,106) perpendicular to work surface (4), the axle (108) of touch roll (78) in both sides preferably by elastic bearing.

According to the described grinder of claim 2, it is characterized in that 3, on piston cylinder assembly (110,112), the corresponding pressure chamber of assembly (110,112) links to each other by pipeline (114,116) axle (108) of touch roll (78) at two-side supporting.

According to the described grinder of claim 3, it is characterized in that 4, piston cylinder assembly (110,112) is connected with a fluid pressure device (102), and touch roll (78) can be fed on the work surface (4).

5, according to the described grinder of one of claim 1-4, it is characterized in that, it has a CD-ROM drive motor (84), motor (84) is arranged on movably on the saddle (88), and have to be used for driving and grind the driven roller (86) of being with (76), saddle (88) links to each other with the band tensioning apparatus.

6, according to claim 4 and 5 described grinders, it is characterized in that, band tensioning apparatus (94) has the piston cylinder assembly (96) that the saddle (88) with CD-ROM drive motor (84) concurs, assembly (96) is by the piston cylinder assembly (110 of fluid pressure device (102) with touch roll (78), 112) like this acting in conjunction is promptly when the feeding touch roll and/or add and keep man-hour tensile force constant basically.

7, according to described grinder one of among the claim 1-6, it is characterized in that, lapping device (18) has an orienting device (122), when touch roll (78) to the surface during (4) feeding, orienting device (122) makes touch roll (78) align towards work surface (4).