CN2434098Y

CN2434098Y - Bits removing appts. for sand strip

Info

Publication number: CN2434098Y
Application number: CN 00245907
Authority: CN
Inventors: 李金柱
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-07-27
Filing date: 2000-07-27
Publication date: 2001-06-13
Anticipated expiration: 2010-07-27

Abstract

The utility model relates to a scrap removing device for a sand belt. The scrap removing device for a sand belt comprises a cover cap provided with an opening end, and at least one scraper arranged in the cover cap; each scraper is respectively provided with an air inlet seat and an exhaust part which is pivoted on one end of the air inlet seat and is communicated with the air inlet seat; all exhaust parts are arranged in inner space of the cover cap, and each exhaust part is also provided with at least one air hole which can jet air towards the open end of the cover cap; the cover cap is provided with an air outlet chamber which is communicated with the inner space of the cover cap, and the air outlet chamber is provided with a delivery outlet communicated with outside world. The device has high-efficiency scrap removing function, and the service life of the sand belt can be improved.

Description

The abrasive band chip removing device

The utility model relates to a kind of chip removing device, particularly relates to a kind of abrasive band chip removing device.

As shown in Figure 1, general sander 1 includes sanding group 11, one chip removal devices 12, of abrasive band revolution grinding for platform 13, one conveying devices 14 of placing wooden part 2.When this sander 1 of operation, be that the wooden part 2 that will construct earlier is positioned on the platform 13, and should send in this sander 1 by wood spare 2 by conveying device 14, relend by the sanding group 11 that is arranged in the sander 1 and impose grinding leveling operation, promptly can through chip removal device 12 discharge by grinding the wood chip that is caused the back this moment, and simultaneously, the wooden part 2 after this conveying device 14 will be ground again is output in outside the sander 1, so, can finish the operation that sanding is ground.

As previously mentioned, after the sanding group 11 in the sander 1 was used certain number of times, the wood chip that is caused by wooden part 2 construction backs can jam in the abrasive band of sanding group 11 on 111, so must often change abrasive band 11 or do the 11 debris removal work of regular abrasive band, to remove the wood chip of institute's jam, make sanding group 11 keep the sanding grinding effect of Cui.As shown in Figure 2, general abrasive band 111 debris removal operations are after earlier abrasive band 111 being dismantled, abrasive band 111 to be placed on the support 3 again, remove the wood chip of jam on abrasive band 111 with 30 sprays of manually-operated jet gun again, and finish the operation of abrasive band 111 debris removals.

But aforementioned sander 1 has shortcoming what follows on reality is used:

1. influence production efficiency:

Because the sanding group in the sander was used after certain number of times, the formed wood chip meeting in wood part construction back jam is on the face of abrasive band, so must often change the abrasive band or do regular abrasive band debris removal work, whole sander must be ranked a maintenance period in addition, stop the board running, wait to finish after the cleaning work of abrasive band, could continue to use, so can influence production efficiency.

2. debris removal efficient is poor:

Because general abrasive band debris removal work, be that the abrasive band is placed on the support, remove the wood chip of cleaning jam on the abrasive band with the manually-operated jet gun with spray again, but the operating environment of this mode is unsatisfactory, and remove in the process in abrasive band in the operation spray, the wood chip majority of kicking up still can be become scattered about on the abrasive band or on operator's the body, therefore more time must be expended and wood chip on the abrasive band could be cleared up fully, so that influence operator's job morale easily, so the efficient of general abrasive band debris removal work is relatively poor.

3. debris removal operation inconvenience:

As previously mentioned, general abrasive band debris removal operation is earlier the abrasive band to be placed on the support, remove the wood chip of cleaning jam on the abrasive band with the manually-operated jet gun with spray again, so, wood chip after spray removes is flown upward and the various places of being scattered everywhere, so, must be before the operation in this support below laying paper washer or in the cleaning works of carrying out wood chip again afterwards, therefore, cause the inconvenience of debris removal operation.

4. grinding effect is poor:

As previously mentioned, when wooden part grinds construction in sander, the wood chip that it caused little by little jam on the face of the abrasive band of sanding group, but because of can't often changing the abrasive band or must when the sanding group turns round, carrying out debris removal work to the abrasive band, to keep the original grinding effect in abrasive band, so its grinding effect is poor.

5. the abrasive band is shorter service life:

Owing to can't often change the abrasive band, or often debris removal work is carried out in the abrasive band, after making that then the abrasive band is crossed for a long time service time, the wood chip of jam on the abrasive band be easy-clear not, and wood chip is hoarded in a large number on the abrasive band, and then lower the frictional force in abrasive band so that lose its original grinding effect, so the service life in abrasive band is shorter.

The purpose of this utility model is to provide a kind of high efficiency debris removal function that has, and reduces the service time and the number of times of sander, and operation is convenient, and prolongs the abrasive band abrasive band chip removing device in service life.

For achieving the above object, the utility model provides a kind of abrasive band chip removing device, it is characterized in that:

This abrasive band chip removing device comprises a cover cap with openend, and be arranged at least one scaper in this cover cap, each scaper all has into the gas seat, and one be articulated in into gas seat one end and with this and go into the exhaust part that the gas seat is communicated with, this exhaust part all is arranged in the inner space of aforementioned cover cap, and also offer on each exhaust part at least one can be towards the jet pore of the openend of cover cap, aforementioned cover cap has a discharge chamber that is communicated with the cover cap inner space, and this discharge chamber has a delivery outlet that is in communication with the outside.

Described abrasive band chip removing device is characterized in that:

The wall of the discharge chamber of this cover cap offers most through holes, and this through hole is communicated with the inner space of cover cap.

Described abrasive band chip removing device is characterized in that:

The pore of the exhaust part of this scaper is positioned on the two side ends of exhaust part, and the jet direction of two pores that should separate is opposite, and the jet angle of this pore all is the acute angle state with exhaust part.

After having adopted said structure, abrasive band of the present utility model chip removing device has effect as described below:

1. can enhance productivity:

Because when abrasive band of the present utility model chip removing device is used for the debris removal operation of sander, can remove the wood chip debris removal operation of jam on the abrasive band synchronously, so do not need often to change the abrasive band or do regular abrasive band debris removal work, therefore can reduce the service time and the number of times of sander, and then enhance productivity.

2. have high efficiency debris removal function:

Owing to all offer the opposite pore of outgassing direction on each exhaust part both ends of the surface of these scapers, and the jet angle of these pores all is the acute angle state with exhaust part, when making that the gases at high pressure of exhaust part ejection are oblique and being sprayed onto the abrasive band, the reaction force that it caused can promote exhaust part and rotate at a high speed, and make each scaper all have powerful debris removal function and large-area debris removal scope, and then can reach high efficiency debris removal effect.

3. the debris removal operation is convenient:

As previously mentioned, when spray removes jam behind the wood chip on the abrasive band, the wood chip of kicking up in cover cap can be via the through hole of discharge chamber, flow in the discharge chamber, relend by the exhausting assembly on the delivery outlet that is arranged in this discharge chamber wood chip is extracted out outside the sander, can finish the debris removal operation, so when it is used in the debris removal operation of sander, do not need as abrasive band debris removal work the same, the abrasive band must be placed on the support, manually to spray and environment arround influencing and worker's mood, so debris removal operation of the present utility model is more more convenient except that wood chip.

4. can improve the grinding effect of sanding group:

Abrasive band of the present utility model chip removing device, carrying out wooden part when grinding construction, can implement jet debris removal operation to the abrasive band synchronously, so because of the wood chip of constructing and being caused, can jam on the surface in abrasive band, therefore can keep the original friction function in abrasive band for a long time, make sanding group in the sander can keep the grinding state of Cui for a long time, so can improve the grinding effect of sanding group.

5. prolong the service life in abrasive band:

As previously mentioned, because when abrasive band of the present utility model chip removing device is used in the debris removal operation of sander, can carry out abrasive band debris removal operation simultaneously, and can not cause because of the abrasive band of a specified duration excessively service time, and make the wood chip jam that the not problem of easy-clear consequently be arranged on the abrasive band, so abrasive band of the present utility model chip removing device can prolong the service life in abrasive band.

Below by Cui embodiment and accompanying drawing abrasive band of the present utility model chip removing device is elaborated.

Fig. 1 is the user mode generalized section of general sander.

Fig. 2 is general abrasive band debris removal operation chart.

Fig. 3 is the side cross-sectional schematic of the utility model than Cui embodiment.

Fig. 4 is the utility model is used in sander debris removal operation than Cui embodiment a schematic diagram.

Fig. 5 is the front-view schematic diagram of the utility model preferred embodiment.

As shown in Figure 3, the abrasive band chip removing device 4 of present embodiment includes a cover cap 41 with openend, and be arranged at least one scaper 42 in this cover cap 41, each scaper 42 all has into gas seat 421, and one be articulated in into gas seat 421 1 ends and the exhaust part 422 that is communicated with it, and make these exhaust parts 422 all be arranged in the inner space of aforementioned cover cap 41, and also offer on each exhaust part 422 at least one can be towards the jet pore 423 of the openend of cover cap 41, moreover, aforesaid cover cap 41 has a discharge chamber 43 that can be communicated with its inner space, this discharge chamber 43 has a delivery outlet that can be in communication with the outside 44 again, and the wall of the discharge chamber 43 of this cover cap 41 offers most through holes 431, and make these through holes 431 be communicated with the inner space of cover cap 41, in addition, the pore 423 of the exhaust part 422 of aforementioned scaper 42 is positioned on the two side ends of exhaust part 422, and make the jet direction of two pores 423 of this separation opposite, and the jet angle of these pores 423 all is the acute angle state with exhaust part 422, when using abrasive band of the present utility model chip removing device 4 in the sanding operation, be that the first gas seat 421 of going into these scapers 42 all is arranged on the air supply source 45, so that the jet source of these scapers 42 to be provided, be matched with simultaneously and be equipped with an exhausting assembly 46 on the delivery outlet 44, detaching grinding the wood chip that is caused the back.

As Fig. 4, shown in 5, the abrasive band fine bagasse separator 4 of present embodiment is used in the sander 5 and when a wooden part 6 implemented the debris removal operations, abrasive band 51 one sides of the openend of this cover cap 41 in grinding revolution, be hubbed at the pore 423 of the exhaust part 422 on the scaper 42 this moment, just can be jet outside the openend of cover cap 41, as shown in Figure 5, the outgassing direction of the pore 423 on these exhaust part 422 both ends of the surface is opposite, and the jet angle of these pores 423 all is the acute angle state with exhaust part 422, make gas oblique being sprayed onto on the abrasive band 51 simultaneously of pore 423 ejection at exhaust part 422 two ends, and the reaction force that it caused can promote this exhaust part 422 rotation at a high speed, make each scaper 42 all have larger area debris removal scope, and can spray fast except that the wood chip of jam on abrasive band 51, and make the wood chip of kicking up in cover cap 41 can be via the through hole 431 of discharge chamber 43, flow in the discharge chamber 43, relend by the exhausting assembly 46 on the delivery outlet 44 that is arranged in discharge chamber 43 wood chip is extracted out outside sander 5, can reach the function of jet debris removal therefrom, when making abrasive band of the present utility model fine bagasse separator 4 be used for the debris removal operation of sander 5, do not need cleaning is pulled down in abrasive band 51, can when sander 5 operation, carry out the debris removal operation in abrasive band 51 synchronously, and then can reach high efficiency debris removal function and improve service life in abrasive band 51.

Claims

1 one kinds of abrasive band chip removing devices is characterized in that:

2 abrasive band according to claim 1 chip removing devices is characterized in that:

3 abrasive band according to claim 1 chip removing devices is characterized in that: