CN2076470U

CN2076470U - Feeder for woodworking machine

Info

Publication number: CN2076470U
Application number: CN 90217498
Authority: CN
Inventors: 郑敏正
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-08-09
Filing date: 1990-08-09
Publication date: 1991-05-08

Abstract

The utility model discloses a feeder for a woodworking machine, mainly comprising a feeding group 31 and a discharging group 32; the feeding group is composed of an upper and a lower feeding rolling wheels 311, 312 and a chain wheels group 33. The discharging group 32 is composed of a movable upper and a movable lower discharging rolling wheels 321, 322 and an air cylinder 323; through the winding of the chains of the chain wheels group and the tensioning of the air cylinder, the upper and the lower feeding rolling wheels can plunge into the lumbers and pressure feed the lumbers along a mechanical platform; the upper and the lower rolling gears of the discharging group and the feeding group can move upwards and downwards along the straight, bending, or twisted double surfaces of the lumbers, and then convey the lumbers for processing. Therefore, the lumbers can obtain satisfied processing requirements, and the feeding pushing force can satisfy the processing requirements.

Description

Feeder for woodworking machine

The utility model relates to a kind of pay-off of woodworking machinery, refers to especially a kind ofly can dig splendid flat face to timber, and guarantees the pay-off of feeding.

General traditional surfacer as shown in Figure 1, board 10 is provided with pay-off 11, this pay-off 11 is by a upper roller 12 movable up and down, one is fixed in the pneumatic cylinder 15 that bottom roller 13 on the board 10 and connection be located on the rocking arm 14 of upper roller 12 constitutes, when timber 20 begins to send into planing by the planing platform 17 on the board 10, pneumatic cylinder 15 air inlets and force piston rod 16 to press down rocking arm 14; rocking arm 14 interlock upper rollers 12 move down and timber 20 is rolled into force feed; with 11 of the pay-offs of this surfacer of planing by the major impetus of upper roller 12 as force feed timber; therefore 13 of bottom rollers exist following shortcoming for fixing immovable:

One, since bottom roller 13 for fixing, it is too much that the apical margin of bottom roller 13 protrudes planing plane 17 during as installing, can cause the glacing flatness of timber 20 planing faces and the precision of thickness when then planing timber 20.As 17 one-tenth same planes of apical margin and planing platform of bottom roller 13, when then planing, bottom roller 13 can't keep tightly pressing sending with timber 20, cause the frictional force deficiency, so the feeding effect is relatively poor.

Two, when thin and crooked timber 20 before being entered planing by force feed, be subjected to the pressure of upper roller 12 and be driven plain temporarily, but after planing, recover its case of bending immediately, then the planing face of timber 20 remains not straight flexure plane.

Three, when timber is thicker and crooked, because the pressure of upper roller 12 is limited, flexure plane can't be flattened, then bottom roller 13 possibly can't keep in touch with the sweep of timber, thereby influences the effect of feeding.

Four, fix owing to bottom roller 13, when its idler wheel surface is the flank of tooth or ratchet face, because of loosening, tighten as different to some extent between the pressure of upper roller and the timber, the depth of cup that is rolled into the timber face by roller is then different, and then the bottom roller end face is wanted emersion with planing platform 17 table tops what size is difficult to determine.

The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provides a kind of and can move up and down with the flexure plane of timber, keep timber to send into planing with original shape, and can be at any time and the pay-off of the two-sided maintenance clamped condition of timber, to reach the straight and big purpose of feeding thrust of planing face.

Technical solution of the present utility model is described as follows with embodiment in conjunction with the accompanying drawings:

Fig. 2 is a rearview of the present utility model, this figure shows, pay-off 3 is located on the board 81 of surfacer 80, pay-off is made up of a charging group 31 and a discharging group 32, the charging group is by on movable up and down, following charging roller 311,312 and chain wheel set 33 constitute, wherein chain wheel set 33 is by the first coaxial sprocket wheel 331 of enterprising material roller 311, second sprocket wheel 332 coaxial with following charging roller 312, the 4th sprocket wheel 334 of the 3rd sprocket wheel 333 and second sprocket wheel below is formed, utilize a chain 335 with these four mutual solderless wrapped connections of sprocket wheel then, hold with counterclockwise around first sprocket wheel 331 with one of chain 335 earlier, again with counterclockwise around the 4th sprocket wheel 334, again with counterclockwise around the 3rd sprocket wheel 333, more in a clockwise direction around second sprocket wheel 332, be connected with chain 335 other ends at last.Discharging group 32 is made of upper and lower discharging roller 321,322 movable up and down and pneumatic cylinder 323, pneumatic cylinder 323 forms interaction by the axle sleeve connection of connecting plate 325 and bottom discharge roller 322, with moving up and down of control bottom discharge roller 322, piston rod 324 in the pneumatic cylinder 323 protrudes upward, connect at the axle sleeve of rod end by rocking arm 326 and top discharge roller 321 and to form interaction, with moving up and down of control top discharge roller 321.At the other adjustment seat 4 that is provided with of charging group 31 sides, its first line of a couplet is provided with slide 40 and support 42, by handwheel 41 control support 42 and the enterprising material roller 311 of interlock charging group 31 and the adjustment of adjusting on the seat 4 that the discharging roller 321 on the discharging group 32 is made upper-lower position, set firmly a substrate 43 in slide 40 lower ends, then articulate portable plate 44 on the substrate, portable plate 44 is in order to fix and to support the 4th sprocket wheel 334, control element 45 links to each other the bottom of substrate 43 with portable plate 44, control element 45 is for tension chains 335 usefulness, and to make portable plate 44 be that the center swings up and down with its pivoting point 441.

The charging group of the pay-off of surfacer also can adopt the structure of discharging group, and changes into by enterprising material roller, and following charging roller and pneumatic cylinder are formed.Equally, the discharging group of the pay-off of surfacer also can adopt the structure of charging group, and changes into by the top discharge roller, and bottom discharge roller and chain wheel set are formed.

Fig. 3 is the A-A sectional drawing of Fig. 2, by the motor (not shown) with power transmission to reductor 50, output chain gear 51 through reductor drives to sprocket wheel 53 through chain 52, with the coaxial sprocket wheel 531 of

sprocket wheel

53 and 532 can with sprocket wheel 53 coaxial rotations, sprocket wheel 532 is through 534 rotations of chain 533 drive sprockets, take turns the rotation of 311 chains with first sprocket wheel 331 and last charging that sprocket wheel 534 is coaxial, second sprocket wheel 332 then, the 3rd sprocket wheel 333 and the 4th sprocket wheel 334 rotate together, sprocket wheel 531 is through 55 rotations of chain 54 drive sprockets, and make and drive sprocket wheels 56 with the coaxial sprocket wheel 551 of sprocket wheel 55 through chain 552 and rotate, sprocket wheel 56 drives coaxial with it top discharge roller 321 again and rotates.Sprocket wheel 53 is located at support 42 belows and is connect through rocking arm 60 and first sprocket wheel, 331 axle sleeves, making the axle center that first sprocket wheel 331 can sprocket wheel 53 is that fulcrum is done swing activity up and down, and be provided with a block 601 at the axle sleeve appropriate location of sprocket wheel 53, to limit the extreme position of enterprising material roller 311 bottoms.The axle sleeve of second sprocket wheel 332 connects with the axle center of being located on the carriage 83 831 through rocking arm 61, the 3rd sprocket wheel 333 is located on this axle center 831, axle center 831 is provided with block 621, to limit down the extreme position of pendulum on the charging roller 312, axle center 831 times also is provided with a spring 622 and an adjustment nut 623, can make charging roller 311 up and down through its adjustment, 312 controls press down and go up the pressure balance of pressing, in addition, sprocket wheel 55 is located at support 42 times, connect with the axle sleeve of sprocket wheel 56 through rocking arm 63, supporting sprocket wheel 56 and top discharge roller 321, and make top discharge roller 321 can do swing up and down, and the axle sleeve of bottom discharge roller 322 connects with the axle center 841 that is fixed on the carriage 84 through rocking arm 64, so that bottom discharge roller 322 is supported and the location, be provided with block 651 on the axle center 841 equally, with the extreme position of restriction bottom discharge roller 322 risings.

Front view when Fig. 4 planes timber for the utility model.When planing timber, must be earlier according to timber 90 thickness with charging in the handwheel adjustment, the suitable distance that top discharge roller 311,321 and planing platform are 82, pass through for the timber force feed, and make and draw the second and the

4th sprocket wheel

332 and 334 through chain 335 with coaxial first sprocket wheel 331 of enterprising material roller 311 and rise, the 4th sprocket wheel 334 drive activity utmost points 44 stretch control element 45 and go up pendulum, utilize the adjustment bolt of being located on the rocking arm 61 624 to adjust down the recessed suitable distance for planing platform 82 table tops of charging roller 312 apical margins again.When timber 90 will be gone up, one charging roller 311,312 back down and when being rolled into force feed, then first sprocket wheel 331 is because of with moving on the enterprising material roller 311, charging roller 312 upwards pushed against the bottom surface (face of promptly planing) of timber 90 under thereby drawing second sprocket wheel 332 drove, so the two-sided of timber 90 can be by last, following charging roller 311,312 clamp force feed with approximate pressure advances, finish planing by planing tool device 70 then, arrive discharging group 32 again, discharging group 32 is through pneumatic cylinder 323 air inlets, piston rod 324 is bounced back downwards and drive top discharge roller 321 and leave behind, simultaneously bottom discharge roller 322 is hung on to extreme position, after timber 90 is rolled into, can be with discharging roller 321 up and down, 322 back down, and then timber 90 can be by last, bottom discharge roller 321,322 press and transfer out.

Fig. 5 is the action schematic diagram of the utility model when planing crooked timber, when the crooked timber 91 of planing, the apical margin of following charging roller 312 need be adjusted to the maximum deflection point P a little more than crooked timber 91, after the timber 91 beginning chargings, naturally will go up, following charging roller 311,312 back down and are rolled into and feed, when timber 91 sweeps arrive charging group 31, timber 91 end face epireliefs part is pushed enterprising material roller 311 and is moved, and charging roller 312 moves up under chain wheel set 33 drives, make, following charging roller 311,312 can do up and down by the crooked cambered surface of timber 91, so timber 91 still can be planed by force feed under the assurance clamped condition, and keep sending into planing with original shape, its curved arc face can not flattened by enterprising material roller 311, and therefore the resulting planing face in planing back is straight.When timber 91 reaches discharging group 32 positions through planing, identical, 91 withered upper convex portion branches of timber make top on the top discharge roller 321 simultaneously on the bottom discharge roller 322 and move and roof pressure timber 91, and upper and lower discharging roller 321,322 can move up and down with the crooked cambered surface of timber 91, keeps the clamped condition with timber 91.So,, on the feeding effect, can guarantee to reach and promptly keep clamping and characteristic that thrust is big no matter pay-off of the present utility model 3 all can keep at charging group 31 or discharging group 32 places pressing conveying with timber two-sided.

Facing and side-looking action schematic diagram when Fig. 6 and Fig. 7 are up and down charging roller clamping distortion timber of the present utility model, shown in figure, the wheel face 30 of upper and lower roller 311,312 of the present utility model is a cambered surface, make when clamping distortion timber 92 feeds, can be by the warp surface force feed of distortion timber 92, and do not cause distortion timber 92 in the feeding process, to be driven plain, influence the glacing flatness after timber 92 is planed.

By above-mentioned explanation, the advantage that the utlity model has is:

One, when chain 335 through the tension of the 4th sprocket wheel 334, enterprising material roller 311 is left behind when falling, can make down simultaneously on the charging roller 312 and move, form upper and lower charging roller 311,312 and can clamp timber 90 with approximate equal pressure the two-sided of timber 90, and move up and down and compress feeding with timber 90 two-sided, in addition, chain 335 also has the drive effect of charging roller 312 rotations down, and because first sprocket wheel 331 and the 4th sprocket wheel 334 all are loaded on same the adjustments seat 4, therefore adjustment 4 adjusts the unlikely length that influences chain 335 up and down.

Two, charging roller 311,312 all can be up and down up and down, when force feed timber, can move up and down along with two-sided straight or crooked of timber or distortion, with keep with timber two-sided press conveying, make planing after, can obtain the splendid planing face of glacing flatness.

Three, since timber in the feeding process, its two-sided force feed that all is subjected to charging up and down and discharging roller, when the crooked timber of planing, can not form common surfacer and can't make feeding not closely and the little shortcoming of thrust with the bottom roller state of keeping in touch because of timber planing face.

Four, bottom discharge roller 322 is movable, can keep clamping timber with top discharge roller 321, and can transfer face automatically.The bottom discharge roller can use iron, can not use frictional force strong and resilient plastic cement or rubber are made, can be when planing line plate or garden rod etc., and unlikely with the timber compressive strain.Again under long-time the use,, still can adjust its position at any time though bottom discharge roller 322 produces fair wear and tears when its external diameter is diminished.

Six, pay-off of the present utility model can be assemblied in general woodworking machinery use as the grafting machine, the feeding of sander etc., and more traditional mode is simple, better effects if.

Below be the description of the drawings:

Fig. 1 is the pay-off front view of normal wood construction machinery.

Fig. 2 is the rearview of pay-off of the present utility model.

Fig. 3 is the A-A sectional drawing of Fig. 2.

Fig. 4 is the front elevational schematic of pay-off of the present utility model.

Fig. 5 is the action schematic diagram of the utility model at the crooked timber of planing.

When being up and down charging roller clamping distortion timber of the present utility model, Fig. 6 faces the action schematic diagram.

Side-looking action schematic diagram when Fig. 7 is a up and down charging roller clamping distortion timber of the present utility model.

Claims

1, a kind of pay-off of woodworking machinery, constitute by charging group 31 and discharging group 32 and it is characterized in that described charging group 31 is by enterprising material roller 311, following charging roller 312 and chain wheel set 33 constitute chain wheel set 33 wherein by the first coaxial sprocket wheel 331 of enterprising material roller 311, form with the 4th sprocket wheel 334 of coaxial second sprocket wheel 332, the 3rd sprocket wheel 333 and the 3rd sprocket wheel below of following charging roller 312, chain 335 is with these four mutual solderless wrapped connections of sprocket wheel; The discharging group constitutes pneumatic cylinder 323 by 32 by upper and lower discharging roller 321,322 movable up and down and pneumatic cylinder 323 and connects by the axle sleeve of connecting plate 325 with bottom discharge roller 322, piston rod 324 in the pneumatic cylinder protrudes upward, and connects by the axle sleeve of rocking arm 326 with top discharge roller 321 at rod end; Have one to adjust seat 4, frame is on board 81, and its first line of a couplet is provided with slide 40 and support 42, adjusts seat 4 and is provided with handwheel 41, sets firmly a substrate 43 in slide 40 lower ends, then articulates portable plate 44 on the substrate, and control element 45 links to each other the bottom of substrate 43 with portable plate 44.

2, pay-off according to claim 1 is characterized in that the wheel face 30 of the roller of charging up and down of charging group 31 is a cambered surface.

3, pay-off according to claim 1 is characterized in that charging group 31 also can adopt the structure of discharging group 32, forms and change into by enterprising material roller, following charging roller and pneumatic cylinder.

4, pay-off according to claim 1 is characterized in that discharging group 32 also can adopt the structure of charging group 31, forms and change into by top discharge roller, bottom discharge roller and chain wheel set.