CN105459231B - Cutting machine - Google Patents

Abstract

The invention relates to a splitting machine. The object of the present invention is to provide a splitting machine with simple structure, convenient operation and automatic processing of strips of equal width. The technical solution of the present invention is: a feeding device, a driving and pressing device, a trimming device and a planing device are sequentially installed on the mounting bracket of the splitting machine to form a straight bamboo chip transmission channel; the cutting device includes a bamboo chip traction Mechanism and n groups of splitting knife sets arranged in a straight line along the direction of the bamboo slice transmission channel, each set of splitting knife sets has two strip cutting blades symmetrically arranged on the left and right sides of the bamboo slice transmission channel; the bamboo slice traction mechanism includes a traction motor, The traction belt and n pairs of traction steel wheels, a pair of traction steel wheels are arranged corresponding to each group of slitting knife groups, and the two steel wheels of each pair of traction steel wheels are arranged respectively corresponding to the knife tips of the two blades of the slitting knife group, symmetrically arranged on the bamboo slices On the left and right sides of the transmission channel, the distance between the rims of each pair of traction steel wheels is the distance between the blades of the corresponding cutting knife group + 2H, and the traction motor drives the traction steel wheels through the traction belt; n is 1-9.

Description

Cutting machine

technical field

The invention relates to a splitting machine. Suitable for bamboo chip processing machinery.

Background technique

As a renewable resource, bamboo grows fast, matures early, and has the characteristics of high strength, good toughness, and wear resistance. Using bamboo as raw material through certain mechanical processing and gluing processes, its products can replace or partially replace wood materials. products. In the process of bamboo processing, it is often necessary to process bamboo slices into strips. At present, most of them are milled. The main disadvantages are large loss of bamboo, many cutting shavings, and low processing efficiency. Therefore, there is an urgent need for a special bamboo in the industry. (Piece) Strip cutting machine.

Contents of the invention

The technical problem to be solved by the present invention is to provide a splitting machine with simple structure, convenient operation and automatic processing of strips of equal width.

The technical solution adopted in the present invention is: a splitting machine, characterized in that it includes a mounting bracket, on which a feeding device, a driving and pressing device, a trimming device and a cutting device are sequentially installed to form a straight bamboo Chip transmission channel;

The sectioning and planing device includes a bamboo sheet traction mechanism and n groups of stripping knife groups arranged in a straight line along the direction of the bamboo sheet transmission channel,

Wherein each group of splitting knife group has two splitting blades symmetrically arranged on the left and right sides of the bamboo sheet transmission channel, the distance between the two blades of the splitting knife group away from the trimming device end is H, from the end far away from the trimming device to the other The equal difference between the two blade tips of the one-end splitting knife set increases, and the tolerance is 2H;

The bamboo strip traction mechanism includes a traction motor, a traction belt and n pairs of traction steel wheels, a pair of traction steel wheels are arranged corresponding to each group of splitting knife groups, and the two steel wheels of each pair of traction steel wheels correspond to the two blades of the stripping knife group respectively The cutter tip arrangement is symmetrically arranged on the left and right sides of the bamboo sheet transmission channel, and the distance between the rims of each pair of traction steel wheels is the distance between the corresponding cutting knife group knife tips + 2H, and the traction motor drives the traction steel wheels through the traction belt;

n takes 1-9.

The included angle a between the rake face of the strip-cutting blade and the transmission channel of bamboo slices is 10-30°, and the included angle b between the flank face of the strip-cutting blade and the transmission channel of bamboo slices is 5-10°.

The trimming device includes a trimming guide wheel set and a trimming knife, and the trimming guide wheel set includes a fixed guide wheel and a movable guide wheel respectively arranged on the left and right sides of the bamboo chip transmission channel, wherein the rotating shaft of the fixed guide wheel is fixed on the installation The bracket, the rotating shaft of the movable guide wheel is fixed to the installation bracket through the horizontal and vertical spring rods of the bamboo sheet transmission channel;

The distance between the tip of the edge trimming knife and the rim of the fixed guide wheel in the direction vertical to the transmission channel of the bamboo chips is (2n+1)H.

The movable guide wheel is provided with a limit device, which includes a limit rod fixed on the rotating shaft of the movable guide wheel and a limit groove fixed on the mounting bracket, and the limit rod is placed in the limit groove.

The driving and pressing device includes a lower driving wheel seat and a driving motor fixed on the mounting bracket, an upper driving wheel seat is arranged on the lower driving wheel seat, and one end of the upper driving wheel seat is rotatably fixed to the lower driving wheel seat through a horizontal rotating shaft , the other end is connected with the lower driving wheel seat through the rotation limit device; the upper driving wheel and the lower driving wheel are respectively installed on the upper driving wheel seat and the lower driving wheel seat, and the upper and lower driving wheels are respectively arranged on the upper and lower sides of the bamboo sheet transmission channel , the drive motor drives the lower drive wheel through the drive belt and the lower drive gear, the lower drive gear drives the upper drive wheel through the upper drive gear, and the upper and lower drive gears are installed on the lower drive wheel seat.

The rotation limiting device includes a limit guide rod vertically fixed on the lower drive wheel base, and a limit hole provided by the corresponding limit guide rod on the upper drive wheel base, and the limit guide rod passes through the limit hole The exposed end is covered with a spring, the lower end of the spring is supported on the upper driving wheel seat, and the upper end is supported on the limit guide rod through a gasket and a nut.

The feeding device includes a bamboo chip trough arranged along the bamboo chip transmission channel, and the bamboo chip trough is provided with a baffle plate near the end of the driving and pressing device, and a baffle plate is provided at the lower end of the baffle plate for only one piece of bamboo chip to pass through. Through the discharge port, the bottom of the bamboo chip storage tank is open, and a feeding drive device is arranged at the opening.

The feeding driving device includes a feeding driving motor and a driving chain wound on the feeding motor, and the driving chain is arranged along the bamboo sheet trough.

A feeding guide is set between the feeding device and the driving and pressing device, and the feeding guide includes two guide blocks symmetrically arranged on the left and right sides of the bamboo sheet transmission channel, and the two guide blocks are provided with a guide slope near the end of the feeding device. .

The beneficial effect of the present invention is that: the feeding driving device in the feeding device of the present invention cooperates with the discharge port to realize sequential delivery of bamboo slices one by one, multiple bamboo slices can be placed at one time, and the operation is convenient. In the present invention, the upper driving wheel seat can rotate slightly around the lower driving wheel seat, so that the upper driving wheel can move relative to the lower driving wheel, and can adapt to bamboo chips of different thicknesses. In the present invention, the distance between the knife tips of the stripping knife group of the sectioning device is gradually reduced, and with the traction steel wheel, the bamboo slices are automatically cut into several strips, and the strips are sent out from both sides of the stripping knife set.

Description of drawings

Fig. 1 is the front view of the present invention.

Figure 2 is a top view of the present invention.

Figure 3 is a side view of the present invention.

Fig. 4 is a structural schematic diagram of the pressing driving device in the present invention.

Fig. 5 is a structural schematic diagram of the sectioning device in the present invention.

detailed description

As shown in Figures 1 to 3, this embodiment is a splitting machine, including a mounting bracket 1, on which a feeding device, a driving and pressing device, a trimming device and a cutting device are installed to form a strip. The straight bamboo chip transmission channel is sequentially transmitted from the feeding device to the driving and pressing device, the trimming device and the sectioning device.

In this embodiment, the feeding device includes a bamboo chip storage tank 25 arranged along the bamboo chip transmission channel, and the bamboo chip storage tank is formed by two rows of vertically arranged steel pipes 2503 . Be provided with baffle plate 2501 near the end of driving and pressing device in the bamboo chip trough, and have the discharge port 2502 that can only pass through for a piece of bamboo chip at the lower end of this baffle plate, this discharge port is connected with the bamboo chip material. The bamboo chip position corresponding at the bottom of groove 25. There is an opening at the bottom of the bamboo chip hopper 25, and a feeding driving device is provided at the opening. The feeding driving device includes a feeding driving motor 26 and a sprocket wheel 29, and a drive chain 27 that is wound around the feeding motor output shaft and the sprocket wheel 29. The drive chain is arranged along the bamboo chip feed chute 25.

As shown in FIG. 4 , the driving and pressing device includes a driving wheel mounting seat and a driving motor 14 fixed on the mounting bracket 1 . The driving wheel mounting base is divided into an upper driving wheel seat 13 and a lower driving wheel seat 12 up and down, wherein the lower driving wheel seat 12 is fixed on the mounting bracket 1, the upper driving wheel seat 13 is arranged above the lower driving wheel seat 12, and the upper driving wheel seat 13 One end is rotatably fixed to the lower driving wheel base 12 through a horizontally arranged rotating shaft 15, and the other end is connected to the lower driving wheel base 12 through a rotation limiting device. In this example, the rotation limiting device includes a limit guide rod 21 vertically fixed on the lower drive wheel base 12, and a limit hole 1301 provided by the corresponding limit guide rod 21 on the upper drive wheel base 13, and the limit guide rod 21 It passes through the limit hole 1301 and exposes upwards, and a spring 22 is set at the exposed end. The lower end of the spring is supported on the upper driving wheel seat 13, and the upper end is supported on the limit guide rod 21 through a gasket and a nut. The limit hole 1301 is slightly larger than the limit. The diameter of the guide rod 21 is small, so that the upper drive wheel seat 13 can rotate slightly around the rotating shaft 15.

In the present embodiment, an upper driving wheel 16 and a lower driving wheel 17 are respectively installed on the upper driving wheel seat 13 and the lower driving wheel seat 12, and the upper and lower driving wheels are respectively arranged at the upper and lower positions of the bamboo chip transmission passage. Driving motor 14 drives lower driving wheel 17 through driving belt 20 and lower driving gear 19, and lower driving gear 19 drives upper driving wheel 16 through upper driving gear 18, and upper driving gear 18 and lower driving gear 19 are all installed in lower driving wheel seat 12 superior. In this example, the upper drive wheel 16 surface is polyurethane to ensure sufficient friction; the lower drive wheel 17 is a steel wheel to ensure the positional accuracy of the bamboo chips.

Trimming device comprises trimming guide wheel group and trimming knife 6 among this example. Wherein the trimming guide wheel group comprises fixed guide wheels 7 and movable guide wheels 8 symmetrically arranged on the left and right sides of the bamboo sheet transmission channel, the rotating shaft of the fixed guide wheel 7 is fixed on the mounting bracket 1, and the rotating shaft of the movable guide wheel 8 passes through the horizontal and vertical bamboo sheets. The spring bar 9 of transmission channel is fixed on mounting bracket 1, so movable guide wheel 8 can move along the vertical bamboo sheet transmission channel. In order to limit the range of motion of the movable guide wheel 8, a limiter is set on the movable guide wheel 8 in this example. Positioning groove 11, the limiting rod 10 is placed in the limiting groove 11. In this example, the trimming knife 6 is installed on the same side of the movable guide wheel 8 and is located at the end of the movable guide wheel near the sectioning device, and the trimming knife 6 is fixed on the mounting bracket 1 through the knife holder.

The sectioning and planing device in this embodiment includes a bamboo sheet traction mechanism and 8 groups of stripping knife groups arranged in a straight line along the direction of the bamboo sheet transmission channel. Each group of stripping knife sets has two stripping blades 2 symmetrically arranged on the left and right sides of the bamboo sheet transmission channel. It is H, and the equal difference between the distance between the two blade tips of the strip cutting knife set increases from the end far away from the edge trimming device to the end close to the edge trimming device, and the tolerance is 2H.

The bamboo strip traction mechanism includes 8 pairs of traction steel wheels 5, which are arranged in one-to-one correspondence with the cutting knife group. The two traction steel wheels 5 of each pair are symmetrically arranged on the left and right sides of the bamboo strip transmission channel, and the traction steel wheels 5 are arranged on the corresponding The distance between the rims of each pair of traction steel wheels 5 is the distance between the tip of the corresponding stripping knife set + 2H, and the common center between the 2 knife tips of the stripping blades and the 5 pairs of traction steel wheels The vertical distance h of the lines is less than 4mm. Be positioned at the traction steel wheel 5 on the same side of the bamboo sheet transmission channel in the present embodiment to be provided with a traction motor 3, a traction belt 4 and some tensioning pulleys, the traction motor 3 drives the traction steel wheel 5 through the traction belt 4.

In the present embodiment, the distance between the tip of the trimming knife 6 and the rim of the fixed guide wheel 7 in the vertical direction of the bamboo chip transmission channel is 17H. The included angle a between the rake face of the splitting blade 2 and the trimming knife 6 and the transmission channel of the bamboo slices is 10-30°, and the included angle b between the flank face of the splitting blade 2 and the transmission channel of the bamboo slices is 5-10° .

In order to facilitate the bamboo chips output by the feeding device to accurately enter the driving and pressing device, in this example, a feeding guide device is set between the feeding device and the driving and pressing device. Two guide blocks 28 on the left and right of the sheet transmission channel, the guide blocks 28 are fixed on the mounting bracket 1, and the two guide blocks are provided with a guide slope 2801 near the end of the feeding device. Enter between the two guide blocks 28.

The specific working principle of the present embodiment is as follows: the feeding driving device of the feeding device in the present embodiment is located below the bamboo chip trough 25 and is in contact with the bottom end surface of the bamboo chip in the bamboo chip trough 25 . When the feeding driving device was in operation, it drove the lowermost bamboo chips to be sent out from the discharge opening 2502 of the bamboo chip hopper 25 . The bamboo slices enter the driving and pressing device after passing through the feeding guide device, and the driving and pressing device presses the bamboo slices up and down and then pushes them to the trimming device. After the bamboo chip enters the trimming device, it is pressed horizontally by the trimming guide wheel group, and then the super-wide part of the bamboo chip is cut off by the trimming knife 6, so that the bamboo chip reaches the standard size. The bamboo slices enter the cutting and planing device after the edge trimming device. Under the continuous action of the traction steel wheel 5 and the splitting knife group, the bamboo slices are cut into 17 strips with a width of H. Under the traction of the traction steel wheel 5, the bamboo slices Bamboo slices of width H are cut from both sides of the bamboo slices every time the slices pass through a set of splitting knife sets.

Claims (8)

1. a kind of bamboo strip splitting machine, it is characterised in that：Including mounting bracket (1), be sequentially installed with mounting bracket (1) feed device, Driving and pressing device, edge-neatening apparatus and plane device is cutd open, form straight bamboo chip transmission channel；

The plane device that cuts open cuts open thin bamboo strip knife including bamboo chip haulage gear and n groups along the bamboo chip transmission channel direction straight line Group,

Wherein every group is cutd open thin bamboo strip knife group and has what two panels was symmetrically arranged in bamboo chip transmission channel or so to cut open thin bamboo strip blade (2), cuts open thin bamboo strip blade Point of a knife towards edge-neatening apparatus, away from edge-neatening apparatus end cut open the blade point of a knife of thin bamboo strip knife group two between spacing be H, by away from edge-neatening apparatus Hold to the other end cut open the blade point of a knife of thin bamboo strip knife group two between spacing equal difference increase, tolerance is 2H；

The bamboo chip haulage gear includes traction electric machine (3), leash (4) and n to traction steel wheel (5), and every group of correspondence cuts open thin bamboo strip knife A pair of traction steel wheels (5) of group arrangement, two steel wheels of each pair traction steel wheel (5) correspond to the point of a knife cloth for cuing open the blade of thin bamboo strip knife group two respectively Put, be symmetrically arranged in spacing between bamboo chip transmission channel or so, each pair traction steel wheel (5) wheel rim and cut open thin bamboo strip knife group point of a knife to be corresponding Spacing+2H, the traction electric machine (3) drives traction steel wheel (5) through leash (4)；

N takes 1~9；

The driving and pressing device include lower driving wheel seat (12) and the motor (14) being fixed in mounting bracket (1), Driving wheel seat (13) is set on lower driving wheel seat (12), and upper driving wheel seat (13) one end is rotatably solid through horizontal rotating shaft (15) Due to lower driving wheel seat (12), the other end is connected through rotating limit device with lower driving wheel seat；It is described it is upper driving wheel seat (13) and Driving wheel (16) and lower driving wheel (17) are respectively mounted on lower driving wheel seat (12), upper and lower driving wheel is respectively arranged in bamboo chip Above and below transmission channel, the motor (14) drives lower driving wheel (17) through drive belt (20) and lower drive gear (19), under Drive gear (19) is mounted on lower driving wheel seat through driving wheel (16) in upper drive gear (18) drive, upper and lower drive gear (12) on；

The rotating limit device includes the spacing guide rod (21) being fixed on vertically on lower driving wheel seat (12), and upper driving wheel The spacing hole (1301) that the spacing guide rod (21) of correspondence opens up on seat (13), the spacing guide rod (21) is revealed through spacing hole (1301) Go out, bared end pocketed springs (22), the lower spring end is supported in driving wheel seat (13), and upper end is through pad and nut support in limit Position guide rod (21).

2. bamboo strip splitting machine according to claim 1, it is characterised in that：The rake face for cuing open thin bamboo strip blade (2) is transmitted with bamboo chip The angle a of passage is 10~30 °, and it is 5~10 ° to cut open the rear knife face of thin bamboo strip blade (2) with the angle b of bamboo chip transmission channel.

3. bamboo strip splitting machine according to claim 1, it is characterised in that：The edge-neatening apparatus includes deburring guide wheel group and edge iron (6), the deburring guide wheel group includes being respectively arranged the stator ring (7) and movable guide wheel (8) in bamboo chip transmission channel or so, its Mounting bracket (1) is fixed in the rotating shaft of middle stator ring (7), and the rotating shaft of movable guide wheel (8) is transmitted through horizontally and vertically bamboo chip leads to The spring lever (9) in road is fixed on mounting bracket (1)；The edge iron (6) is installed on movable guide wheel (8) homonymy and led positioned at activity The close of wheel cuts open plane device end.

4. bamboo strip splitting machine according to claim 3, it is characterised in that：Edge iron (6) point of a knife and stator ring (7) wheel rim Spacing on vertical bamboo chip transmission channel direction is (2n+1) H.

5. the bamboo strip splitting machine according to claim 3 or 4, it is characterised in that：The movable guide wheel (8) is provided with stopping means, limit Position device includes the gag lever post (10) being fixed in movable guide wheel (8) rotating shaft and the stopper slot being fixed in mounting bracket (1) (11), gag lever post (10) is placed in stopper slot (11).

6. bamboo strip splitting machine according to claim 1, it is characterised in that：The feed device includes arranging along bamboo chip transmission channel Bamboo chip put hopper (25), the bamboo chip puts hopper and is provided with baffle plate (2501) close to driving and pressing device end, and holds under the baffle The discharging opening (2502) for being only available for a piece of bamboo chip to pass through is provided with, the bamboo chip puts hopper (25) bottom opening, and is set at opening Put feeding driving device.

7. bamboo strip splitting machine according to claim 6, it is characterised in that：The feeding driving device includes feeding motor (26) and the drive chain (27) that is around on feeding motor, the drive chain is put hopper (25) along bamboo chip and arranged.

8. bamboo strip splitting machine according to claim 1, it is characterised in that：Set between the feed device and driving and pressing device Feed guide device is put, the feed guide device includes being symmetrically arranged in two pieces of guide pads (28) of bamboo chip transmission channel or so, On two guide pads guiding surface (2801) is provided with close to feed device end.