CN201012414Y

CN201012414Y - Bench saw riving knife adjusting structure

Info

Publication number: CN201012414Y
Application number: CNU2007200009872U
Authority: CN
Inventors: 刘嘉盛; 詹育峰
Original assignee: Durq Machinery Corp
Current assignee: Durq Machinery Corp
Priority date: 2007-01-29
Filing date: 2007-01-29
Publication date: 2008-01-30
Anticipated expiration: 2017-01-29

Abstract

The utility model is a riving knife adjusting structure for a table saw, and comprises a fixing plate, an adjusting part, which can be adjusted to move relative to the fixing plate, and a riving knife connected to the adjusting part. The utility model is used to adjust the position of the riving knife. In addition, at least a locking rod goes through the adjusting part and the fixing part and is bonded with a corresponding locking part to fix the riving knife after the knife position is adjusted.

Description

The chopper of breast bench is adjusted structure

Technical field

The utility model relates to breast bench, and the more detailed chopper that is meant a kind of breast bench is adjusted structure.

Background technology

Fig. 1 discloses a kind of existing breast bench 1, and it comprises a pedestal 2, a coupling assembling 3, a saw blade 4 and a chopper 5.This coupling assembling 3 must drive this chopper 5 along with the lifting of saw blade 4 synchronous shift, the effect of this chopper 5 is to prevent that machined object (as timber) is in sawing process, clamping improperly takes place in the part through saw blade 4 cuttings earlier, and the staff is produced danger.

Though the effectiveness of the security protection of providing is provided above-mentioned chopper 5, but for reaching this effectiveness, putting of chopper 5 must be positioned on the same extension line L1 with the sawing direction of saw blade 4, promptly be as shown in Figure 1, can guarantee that so machined object stably is unlikely to by sawing with chopper 5 mutual interference situations to take place, but in most cases, the assembling of chopper 5 is often accurate inadequately because of the fit dimension precision between itself and the coupling assembling 3, the direction of putting of the chopper 5 after causing assembling is failed sawing direction with saw blade 4 and is positioned at this same extension line L1 and goes up and have slightly that the beat situation produces (as shown in Figure 2), or, chopper 5 after the assembling suffers the external force collision that the situation of chopper 5 towards the dislocation of saw blade 4 side deflections also will take place accidentally, thus, the crack difficulty of the machined object after saw blade 4 cuttings can be aimed at chopper 5, cause interference situations to take place, and harm operating personnel's safety; So it is very important that the sawing direction of putting direction and saw blade 4 of chopper 5 must be positioned at same extension line.

In view of this, this case inventor thinks funiculus through detailed, and long-pending exploitation and the manufacturing experience of being engaged in saw cutting implement for many years, and generation of the present utility model is arranged eventually.

The utility model content

Main purpose of the present utility model provides a kind of chopper of breast bench and adjusts structure, adjusts chopper and saw blade contraposition to make things convenient for the user, makes the smooth and easy and safety of sawing operation.

For reaching above-mentioned purpose, the chopper of a kind of breast bench provided by the utility model is adjusted structure, comprises a fixing plate, this fixedly plate have an end plate and at least one long slot bore, this end plate has one first to face and aforementioned long slot bore; One adjustment part, be with can relative to should be fixedly the mode that moves of plate combine with fixing plate, this adjustment part has an end and at least one perforation, this end has aforementioned perforation and one second and supports face and first contact to face with this; At least one locking bar, this locking bar have the perforation that a free end passes this adjustment part and the fixing long slot bore of plate, and with corresponding locking part combination; One chopper is connected in this adjustment part.

The beneficial effects of the utility model are, the user can see through and unscrew locking bar, and after having adjusted the position of this adjustment part, screw locking bar again, make the sawing direction of putting direction and saw blade of chopper be positioned at same extension line, reach the purpose of adjusting the chopper position, the situation of having avoided jeopardizing the operator takes place.

Description of drawings

Fig. 1 is the chopper and the saw blade synchronization lifting structure of existing breast bench;

Fig. 2 is the top view of Fig. 1, and disclosing chopper, not to be positioned at the extension of sawing direction of saw blade online;

Fig. 3 is the top view that the chopper of the utility model first preferred embodiment breast bench is adjusted structure;

Fig. 4 is the three-dimensional exploded view of above-mentioned first preferred embodiment;

Fig. 5 discloses the utility model chopper, and not to be positioned at the extension of sawing direction of saw blade online, and outside parallel offset;

Location drawing when Fig. 6 discloses the utility model adjustment part and pulled;

Fig. 7 discloses the utility model adjustment part and is pulled by the inboard level of past fixedly plate;

Fig. 8 discloses the utility model adjustment part and is pulled by past fixedly plate outside level;

Fig. 9 discloses the utility model chopper, and not to be positioned at the extension of sawing direction of saw blade online, and outwards be offset an angle;

Location drawing when Figure 10 discloses the utility model adjustment part and pulled;

Figure 11 discloses the utility model adjustment part and is pulled by the inboard rotation of past fixedly plate;

Figure 12 discloses the utility model adjustment part and is pulled by the outside rotation of past fixedly plate;

Figure 13 discloses the utility model alignment pin and stretches into chopper and affixed plate;

Figure 14 discloses the utility model alignment pin and stretches out chopper and affixed plate;

Figure 15 discloses the utility model chopper position and is higher than the saw blade position;

Figure 16 discloses the utility model chopper position and the saw blade position is contour;

Figure 17 discloses the end plate of above-mentioned first preferred embodiment of the utility model and another arc of keyset is provided with fit system;

Figure 18 is that the chopper of the utility model second preferred embodiment breast bench is adjusted structure;

Figure 19 discloses the end plate of above-mentioned second preferred embodiment and another arc of keyset is provided with fit system.

[primary clustering symbol description]

The chopper of 10 breast benches is adjusted structure

12 fixedly plate 13 side plates 14,14 ' end plates

141 inner concave arc surfaces, 141 ' outer convex globoidal

142 the 4th support face 143 long slot bores

15 adjustment parts, 16 affixed plate 161 locating holes

162 guide holes

17 backup plates, 171 perforations, 172 planes

18,18 ' keyset, 181 perforation

182 outer convex globoidal 182 ' inner concave arc surfaces 183

Three support face

19 choppers, 191 hole clippings, 192 guide grooves

20 locking parts, 201 screws, 202 arcwall faces

21 locking bars, 211 screw thread body portions, 212 heads

22 holders, 221 surperficial 222 open-works

223 through holes, 224 risers

225 top board 225a perforate 225b bottom surfaces

23 alignment pins, 231 head ends, 232 annular grooves

24 clasps, 25 springs, 26 guiding pieces

The chopper of 30 breast benches is adjusted structure

31 fixedly plate 32,32 ' end plate, 321 inner concave arc surfaces

321 ' outer convex globoidal

322 long slot bores

33 adjustment parts, 34 affixed plates 35,35 ' keyset

351 perforation 352 second are supported face 352 ' second and are supported face

36 locking bars, 37 locking parts

100 breast benches, 101 output shafts, 102 saw blades

103 nuts

The specific embodiment

Fig. 3 to Figure 16 is that the chopper of the utility model first preferred embodiment breast bench is adjusted structure 10, it comprises fixedly plate 12, an adjustment part 15, a chopper 19, a locking part 20, two locking bars 21, a holder 22, an alignment pin 23, a clasp 24, a spring 25 and two guiding pieces 26, wherein:

Please refer to Fig. 3, Fig. 4, fixedly plate 12 one have been bent to form a side plate 13 and an end plate 14, the motor output shaft 101 of these side plate 13 connective flatform saws 100 and parallel saw blade 102, this end plate 14 slightly had by bending one be first of inner concavity cambered surface 141 support face and be heave the shape cambered surface the 4th to face 142, other has two long slot bores 143 to run through this end plate 14.

This adjustment part 15 comprises an affixed plate 16 and the backup plate 17 that the one bending connects, and comprises the end that is made of a keyset 18:

These affixed plate 16 parallel these side plates 13, and have a locating hole 161 and two guide holes 162;

This backup plate 17 has two microscler perforations 171 and a plane 172 inner concave arc surface 141 in the face of this end plate 14;

This keyset 18 is between end plate 14 and backup plate 17, and having two microscler perforation 181 and is that second of outer convex globoidal 182 supports face, and one the 3rd support face 183, the outer convex globoidal 182 of this keyset 18 and inner concave arc surface 141 butts of this end plate 14, and the 3rd plane 172 butts to face 183 and this backup plate 17.

This chopper 19 is connected in the affixed plate 16 of this adjustment part 15, and has two hole clippings 191 and a guide groove 192, the mode that above-mentioned chopper 19 is connected in affixed plate 16 hold be set forth in after;

Respectively this locking part 20 has a plate body 20a, and be provided with two screws 201 and an arcwall face 202 in plate body 20a, this arcwall face 202 also can support face 142 with the 4th of this end plate 14 and cooperates and contact, must move with arching trajectory to face 142 along the 4th by making this locking part 20.

Respectively this locking bar 21 is a screw rod in present embodiment, it has a free end and a head 212 that a screw thread body portion 211 is constituted, after this body portion 211 passes the long slot bore 143 of corresponding perforation 171, perforation 181 and fixing plate 12 in regular turn, again with corresponding screw 201 combinations, and head 212 is tight against this backup plate 17, by adjustment part 15 firmly being incorporated into this fixedly on the plate 12, so that the sawing direction of this chopper 19 and saw blade 102 is positioned at same extension online (as shown in Figure 3).

Please cooperate Fig. 4, Figure 13, Figure 14, this holder 22 has a surface 221, an open-work 222, two through holes 223, two risers 224 and a top board 225 that is connected this two riser 224.This top board 225 has a perforate 225a to should open-work 222;

These alignment pin 23 1 ends stretch into the perforate 225a of this top board 225, the open-work 222 of holder 22, the hole clipping 191 of chopper 19 and the locating hole 161 of affixed plate 16, and other end formation one is revealed in the head end 231 of these top board 225 outsides; Between two ends of this alignment pin 23 and be provided with an annular groove 232;

This clasp 24 is that a C type is buckled in present embodiment, is to collude the annular groove 232 that is butted on this alignment pin 23, and between this top board 225 and this holder 22 surfaces 221;

This spring 25 is sheathed on this alignment pin 23, and an end this clasp 24 of conflicting, and end this top board 225 of conflicting embeds this hole clipping 191 and this locating hole 161 to provide a biasing force to impel this alignment pin 23 to keep in addition;

Respectively this guiding piece 26 passes corresponding through hole 223 and chopper 19 guide grooves 192, and two guide holes 162 that embed affixed plate 16 again with corresponding nut 103 combinations.

The chopper that more than is the present embodiment breast bench is adjusted the explanation of structure 10 each member and relevant position thereof, the adjustment mode of then narrating chopper 19 in after, being respectively adjustment chopper 19 moves horizontally and rotates relative to this saw blade 102, and adjust chopper 19 and vertically move relative to this saw blade 102, be described as follows now:

Adjusting aspect chopper 19 moves horizontally, Fig. 5 disclose chopper 19 because of external factor (as: bump) towards saw blade 102 outside parallel offsets, the workpiece that causes being sawed can't be strutted by chopper 19 swimmingly; To this, please cooperate Fig. 6 to shown in Figure 8, the user can unscrew locking bar 21 slightly, and move adjustment part 15 near fixing plates 12 (as Fig. 6, shown in Figure 7), it is online to make chopper 19 on the affixed plate 16 re-position at the extension of sawing direction of saw blade 102, after screw locking bar 21 again, in order to the sawing operation; Similarly, when as chopper 19 situation towards saw blade 102 inboard parallel offsets taking place, then the user can move adjustment part 15 away from fixing plate 12 (as Fig. 6, shown in Figure 8).

In addition, adjusting aspect chopper 19 horizontally rotates, Fig. 9 discloses chopper 19 and is offset a special angle towards saw blade 102 outsides, therefore causes sawing operational difficulty and inconvenience; To this, please cooperate Figure 10, Figure 11, the user can unscrew locking bar 21 slightly, multiple with adjustment part 15 inside switchings (being about to the position switching of adjustment part 15) from the past Figure 11 in the position of Figure 10, this moment, backup plate 17 extruding promotion keysets 18 moved away from side plate 13 directions along inner concave arc surface 141 courts of this end plate 14, it is online that this chopper 19 is inwardly horizontally rotated to the extension of the sawing direction of saw blade 102, and locking part 20 can support face 142 towards sliding away from side plate 13 directions along the 4th of end plate 14, and after sealed with locking bar 21 body portions 211, with adjustment part 15 and on chopper 19 be fixed in position after the switching; Similarly, be offset special angles as chopper 19 towards saw blade 102 inboards, then the user can be with adjustment part 15 outside switchings, this moment keyset 18 pushed by backup plate 17 and along the inner concave arc surface 141 of end plate 14 towards sliding near side plate 13 directions, and locking part 20 supports face 142 towards sliding near side plate 13 directions along the 4th of end plate 14, and sealed with locking bar 21 body portions 211, this chopper 19 is outwards horizontally rotated and to be fixed in the extension of sawing direction of saw blade 102 online.

Moreover, adjust chopper 19 vertical mobile aspect, Figure 15 discloses the guide groove 192 bottom conflict guiding pieces 26 of chopper 19, and alignment pin 23 is subjected to 25 effects of this spring and is maintained at the position (with reference to Figure 13) of the hole clipping 191 that stretches into chopper 19 positon of near bottom and the locating hole 161 of affixed plate 16, by chopper 19 is fixed in the position that is higher than saw blade 102 as shown in figure 15; Chopper 19 is downgraded shown in Figure 16 when being lower than the position of saw blade 102 as user's desire, then can impose the external force of this spring 25 of opposing to the head end 231 of alignment pin 23 and pull out alignment pin 23, make this alignment pin 23 withdraw from the hole clipping 191 of locating hole 161 with the chopper 19 of affixed plate 16, and drive clasp 24 compression springs 25 simultaneously, thereafter, the user moves chopper 19 downwards to its guide groove 192 top conflict guiding pieces 26, decontrol alignment pin 23 head ends 231 afterwards, then the spring 25 of aforementioned compression will promote alignment pin 23 and embed away from the hole clipping 191 of chopper 19 bottoms and the locating hole 161 of affixed plate 16, by with fixing chopper 19 adjusted positions.

From the above, this adjustment structure 10 sees through the arc setting of end plate 14 and keyset 18, and chopper 19 can be rotated by horizontal adjusting; And the plane setting that sees through keyset 18 and backup plate 17, chopper 19 can be moved by horizontal adjusting; More see through cooperating of holder 22 and alignment pin 23, make chopper 19 can by vertical adjust mobile; By this, as chopper 19 and connect the member of establishing this chopper 19 because of fit dimension precision inaccuracy or when being subjected to the external force collision that situation that chopper 19 and saw blade 102 misplace takes place accidentally, the user can see through this adjustment structure 10 and chopper 19 is adjusted to sawing direction with saw blade 102 to be positioned at same extension online, the effectiveness of carrying out and bringing into play security protection in order to the sawing operation.

Certainly; the mode that aforementioned end plate 14 supplies the outer convex globoidal 182 of keyset 18 to slide with arching trajectory with inner concave arc surface 141; can also structure shown in Figure 17 reach, promptly end plate 14 ' changes by utilizing outer convex globoidal 141 ' to supply keyset 18 ' with inner concave arc surface 182 ' displacement thereon.

Figure 18 discloses the chopper of the utility model second preferred embodiment breast bench and adjusts structure 30, and itself and above-mentioned first preferred embodiment have roughly the same structure, promptly comprises fixedly plate 31, an adjustment part 33, two locking bars 36 and a locking part 37.Fixedly plate 31 has an end plate 32 equally, it is that first of inner concave arc surface 321 supports face and two long slot bores 322 that this end plate 32 also has one, difference is in: this adjustment part 33 and is bent to form the plate body of an affixed plate 34 and a keyset 35 for one, and this keyset 35 is the keyset 18 and backup plate 17 the two one-body molded person of being made of above-mentioned first preferred embodiment; Again, the keyset 35 of present embodiment has two perforation 351 and 1 second and supports face 352, second to support face 352 be the outer convex globoidal that cooperates with this inner concave arc surface 321 for this, can chopper can be rotated by horizontal adjusting through the arc setting of end plate 32 and keyset 35 equally by this.

In addition, Figure 19 discloses end plate 32 ' and supports face 352 ' (is inner concave arc surface in this) in the mode that arching trajectory moves with its outer convex globoidal 321 ' for second of keyset 35 ', and the end plate 32 and the pass of the slip between the keyset 35 that also can reach aforementioned second preferred embodiment are.

The above only is several preferable possible embodiments of the present utility model, changes so use the equivalent structure that the utility model specification and claim do such as, ought to be included in the claim of the present utility model.

Claims

1. the chopper of a breast bench is adjusted structure, it is characterized in that comprising:

One fixing plate has an end plate and at least one long slot bore, and this end plate has one first and supports face, and this at least one long slot bore runs through this end plate;

One adjustment part, be with can relative to should be fixedly the mode that moves of plate combine with fixing plate, this adjustment part has an end and at least one perforation, this end has one second to be supported face and first contacts to face with this, this at least one perforation runs through this end;

At least one locking bar has a free end and passes the perforation of this adjustment part and be somebody's turn to do the fixedly long slot bore of plate;

At least one locking part is the free end that is incorporated into this locking bar; And

One chopper is connected in this adjustment part.

2. the chopper of breast bench is adjusted structure according to claim 1, it is characterized in that: this adjustment part comprises a keyset and interconnective one an affixed plate and a backup plate, this keyset constitutes the end of this adjustment part and forms this in a side and second support face, a relative side forms one the 3rd and supports face, this at least one perforation runs through this keyset, this backup plate pastes to the 3rd and supports face and have at least one perforation, the free end of this locking bar passes behind this at least one perforation, this at least one perforation and this at least one long slot bore affixed with this locking part in regular turn, and this affixed plate and this chopper are affixed.

3. the chopper of breast bench is adjusted structure according to claim 1, it is characterized in that: this adjustment part comprises interconnective one an affixed plate and a keyset, this keyset constitutes the end of this adjustment part and forms this in a side and second support face, this at least one perforation runs through this keyset, the free end of this locking bar passes behind this at least one perforation and this at least one long slot bore affixed with this locking part in regular turn, and this affixed plate and this chopper are affixed.

4. adjust structure as the chopper of breast bench as described in claim 2 or 3, it is characterized in that: this fixedly plate end plate first to support face be inner concave arc surface, it is the outer convex globoidal that cooperates with this inner concave arc surface that second of this keyset supports face.

5. adjust structure as the chopper of breast bench as described in claim 2 or 3, it is characterized in that: this locking part has a plate body and is provided with at least one screw in this plate body, this plate body one side forms an arcwall face, should be fixedly the end plate of plate form one the 4th and cooperate with the arcwall face of this plate body in this first another side of supporting face relatively to face, this locking bar is the screw that a screw rod and its free end screw in this locking part.

6. adjust structure as the chopper of breast bench as described in claim 2 or 3, it is characterized in that: comprise an alignment pin, this chopper has at least one hole clipping, and this adjustment part has a locating hole, this alignment pin passes this at least one hole clipping and this locating hole, makes this chopper be fixed in the affixed plate of this adjustment part.

7. adjust structure as the chopper of breast bench as described in the claim 6, it is characterized in that: comprise a holder, a clasp and a spring, this holder is fixed in this chopper, and have one with the be separated by top board of a preset distance of this chopper, this top board has a perforate, this alignment pin one end stretches into the perforate of this top board, the hole clipping of this chopper and the locating hole of this affixed plate in regular turn, this clasp is fixed in this alignment pin and between this top board and this chopper, and this spring housing is located at this alignment pin and between this top board and this clasp.