CN215094133U

CN215094133U - Flitch saw machine

Info

Publication number: CN215094133U
Application number: CN202120806501.4U
Authority: CN
Inventors: 闻峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-10
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a flitch saw blade machine, which comprises a frame, wherein the front side of the frame is horizontally provided with a processing table, the middle part of the processing table is provided with a saw blade, a plurality of pressure rollers are arranged above the processing table, the pressure rollers are horizontally distributed along the feeding direction, the rear ends of pressure roller shafts of the pressure rollers horizontally extend to the rear side of the frame, each pressure roller shaft is provided with a connecting piece, and the connecting pieces are arranged at the rear side of the frame; one end of the connecting piece is rotationally connected with the compression roller shaft; the other ends of at least adjacent connecting pieces are rotatably connected through the same connecting shaft; the compression roller shaft is in transmission connection with one of the connecting shafts on the same connecting piece; and a pressing device is also arranged on one side of each connecting piece close to the material pressing roller. The same one end of adjacent connecting piece is passed through the connecting axle and is rotated and connect, and the compression roller axle then is connected with the connecting axle transmission, does not have the transmission between the compression roller axle and connects, therefore every compression roller axle can not influence other compression roller axles, and the structure that adjacent connecting piece interconnect is made more easily and is installed, and the structure of connecting piece is also more stable.

Description

Flitch saw machine

Technical Field

The utility model relates to a wood working equipment, in particular to flitch saw blade machine.

Background

The wood beam is commonly called as square wood, and the wood is sawed into square bars with certain specification and shape according to the actual processing requirements, and the wood bars with rectangular or square sections are mainly processed from pine, basswood, fir and other trees. It is generally used for decoration and door and window materials, template support and roof truss materials in structural construction, or can be used for various wooden furniture.

When the saw blade cuts the wood board, the wood board is easy to tilt under the action of the saw blade, and the wood board needs to be pushed to move forwards. Therefore, a material pressing roller arranged above the processing table and a material feeding roller embedded in the processing table are usually arranged on two sides of the saw blade, and the wood plate is prevented from tilting and can be stably conveyed during cutting through clamping of the material pressing roller and the material feeding roller.

The wood is not neat and uniform in curvature, surface flatness and thickness, so that the acting force of the pressure roll on the wood during working can be too tight or too loose, indentation can be generated due to too tight force, and the force can be mutually and also can be reflected to the equipment of the multi-blade saw. Too loose, the situation that the plate is scattered when being fed in the cutting process can be caused, and the cut plate is completely not qualified.

This applicant's 2019 application of 9 month 11 day utility model patent "multiple-blade saw" (notice number CN 210791315U), disclosed a multiple-blade saw, including the frame, the frame front side is equipped with the processing platform, and processing platform middle part is equipped with the saw bit, is equipped with a plurality of nip rolls in processing bench top, and the nip roll is equipped with presses the material roller, press material roller front end level to hang in processing bench top, press material roller end to pass through the connecting piece and be connected with the frame rotation, press the material roller can up-and-down motion for the processing platform, the position that is close to the front end on the connecting piece is equipped with elastic closing device. The tail ends of the pressing roll shafts are provided with a pair of pressing gears which rotate coaxially and have the same diameter, the pressing gears which are positioned on the same side of the saw blade are in transmission connection in the same direction through a plurality of chains, the pressing gears on the two sides are in transmission connection with an output shaft of the speed reducer through the chains, and the transmission directions of the pressing gears on the two sides of the saw blade are consistent. The number of the pressure rolls on two sides of the saw blade is three, the feeding rolls are arranged right below the two pressure rolls which are far away from the two sides of the saw blade and embedded in the processing table, and the height of the horizontal plane on which the top of each feeding roll is located is larger than that of the horizontal plane on which the upper surface of the processing table is located; two ends of a feeding roll shaft of the feeding roll are fixed on the rack through bearing seats, one end of the feeding roll shaft, which is positioned on the inner side of the rack, is provided with a pair of feeding gears which rotate coaxially and have the same diameter, and the rotation direction of the feeding gears is opposite to that of the pressing gears.

The compressing device of the material pressing roller disclosed by the technical scheme of the utility model can effectively ensure that the mode of fixing the material pressing roller on one side keeps stability, but still has the defects that firstly, the number of connecting pieces is too large, the structure is overstaffed, and the manufacturing cost is high; secondly, when the adjacent material pressing rollers are subjected to different acting forces, the material pressing gears at the other ends of the material pressing roller shafts also fluctuate along with the acting forces, but the material pressing gears are connected through chains, and the conditions of chain breakage or falling off often occur due to different bouncing directions.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a flitch saw machine, the structure is retrencied, and the chain can not split or drop during the use.

The utility model discloses a following technical scheme realizes:

the batten saw blade machine comprises a rack, wherein a processing table is horizontally arranged on the front side of the rack, a saw blade is arranged in the middle of the processing table, a plurality of material pressing rollers are arranged above the processing table and are horizontally distributed along the feeding direction, the rear ends of press roller shafts of the material pressing rollers horizontally extend to the rear side of the rack, a connecting piece is arranged on each press roller shaft, and the connecting pieces are arranged on the rear side of the rack; one end of the connecting piece is rotationally connected with the compression roller shaft; the other ends of at least adjacent connecting pieces are rotatably connected through the same connecting shaft; the compression roller shaft is in transmission connection with one of the connecting shafts on the same connecting piece; and a pressing device is also arranged on one side of each connecting piece close to the material pressing roller.

The same one end of adjacent connecting piece is passed through the connecting axle and is rotated the connection, and the compression roller axle is then connected with the connecting axle transmission, does not have the transmission between the compression roller axle and connects, therefore every compression roller axle is receiving the upwards jack-up in panel surface after, can not influence other compression roller axles, is connected between every compression roller axle and the connecting axle, owing to do circular arc motion, consequently the distance of two axles can not change, so if chain transmission connects, the length of chain does not have any influence.

The other end of the connecting piece extends to the upper part of the adjacent connecting piece and is rotationally connected with the adjacent connecting piece through a connecting shaft, and the other end of the connecting piece positioned at the end in the feeding direction is rotationally connected with the rack through a transmission shaft. Compared with the structure that one ends of all connecting pieces are rotatably connected through the same connecting shaft, the structure that the adjacent connecting pieces are connected with each other is easier to manufacture and install, and the structure of the connecting pieces is more stable.

The device is characterized by further comprising a feeding motor, a transmission shaft is in transmission connection with the feeding motor, the transmission shaft is in transmission connection with the connecting shafts in sequence, and each compression roller shaft is only in transmission connection with one of the connecting shafts on the same connecting piece.

Because the connecting piece is adjacent rotation of each other and connects, so the position of transmission shaft is all unchangeable relatively, so carry out the transmission with connecting axle and feeding motor through the transmission shaft and connect, again by the connecting axle respectively with the compression roller transmission link, so when the compression roller up-and-down motion, though take the motion of compression roller axle, but the motion of compression roller axle is independent each other, the motion of compression roller axle does not influence other compression roller axles, and between compression roller axle and the connecting axle, the distance between connecting axle and the transmission shaft can not change, so, the motion of every compression roller axle has no influence to the chain.

The rear end of the compression roller shaft is respectively provided with a compression roller gear, and the compression roller gear, the material pressing roller and the compression roller shaft rotate coaxially; three same connecting gears are respectively arranged at the same end of the connecting shaft as the rear end of the compression roller shaft, and the connecting gears and the connecting shaft rotate coaxially; two identical transmission gears are arranged at the end, identical to the rear end of the compression roller shaft, of the transmission shaft, and the transmission gears and the transmission shaft rotate coaxially; and a driving gear is arranged on a power output shaft of the feeding motor.

Furthermore, a feed roller is arranged below each pressure roller, a roller feed shaft of the feed roller is fixed on the rack through a bearing seat, and the rotation direction of the feed roller is opposite to that of the pressure rollers; the rear end of the roller conveying shaft horizontally extends to the rear side of the rack, roller conveying gears are respectively arranged at the rear end of the roller conveying shaft, and the roller conveying gears are sequentially in transmission connection.

The feed rollers are intended to grip and convey the wood more strongly.

And a tensioning gear is also arranged obliquely above the transmission shaft, the tensioning gear, the driving gear and the closest roller feeding gear are meshed through a driving chain in an inner way, and the driving gear is meshed with the driving chain in an outer way.

The tensioning gear is fixedly connected with the rack through a tensioning shaft, and the tensioning gear is rotationally connected with the tensioning shaft; two screws are vertically and upwards arranged on a tensioning shaft of the tensioning gear, two horizontal supports are arranged on the rack, and the two screws vertically and upwards penetrate through the horizontal supports respectively and are fixed on the horizontal supports through nuts.

The tensioning gear is used for adjusting the tensioning degree of the chain and realizing the turning function of the transmission gear, namely the transmission gear is meshed with the driving chain to realize the opposite rotation directions of the material pressing roller and the material feeding roller so as to form clamping conveying. The function of tensioning is also easy to realize, only the height of the tensioning shaft on the horizontal support is required to be tensioned.

Furthermore, the two saw blades are respectively in transmission connection through an electric saw motor.

Furthermore, the pressing device comprises a straight rod which is vertically upward and a compression spring which is sleeved on the straight rod, the bottom of the straight rod is rotatably connected with the connecting piece, the top of the straight rod penetrates out of the top of the rack, the top of the compression spring is abutted against the lower surface of the top of the rack, and the bottom of the compression spring is fixedly connected with the bottom of the straight rod.

The three material pressing rollers are respectively arranged on two sides of the saw blade, wherein the side located in the feeding direction is provided with the two material pressing rollers.

Drawings

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

Fig. 2 is a rear view of the present invention.

Fig. 3 is a first combination state diagram of the connector of the present invention.

Fig. 4 is a second combined state diagram of the connecting member of the present invention.

Fig. 5 is the structural schematic diagram of the tensioning shaft of the present invention.

Fig. 6 is a schematic view of the link transmission mode of the present invention.

Detailed Description

As shown in fig. 1, the utility model discloses a frame 100, frame 100 front side level are equipped with processing platform 101, and the middle part of processing platform 101 is equipped with saw bit 102, are equipped with a plurality of nip rolls 103 above processing platform 101, and nip roll 103 is along feed direction horizontal distribution. The table 101 is used to place wood and push the wood to the saw blade 102 for cutting.

The function of the nip roll 103 is to prevent the wood from warping or changing position due to the bending of the wood during cutting and the force of the saw blade during cutting during conveying.

In this embodiment, in order to reduce manual wood pushing, a feeding roller 108 is further arranged below each of the nip rollers 103, the rotation direction of the feeding roller 108 is opposite to the rotation direction of the nip rollers 103, the feeding roller 108 is embedded in the processing table 101, and the height of the horizontal plane where the top of the feeding roller 108 is located is slightly higher than the height of the horizontal plane where the upper surface of the processing table 101 is located. The top of the feed roll 108 is fed forward with the bottom of the nip roll 103 sandwiching the wood.

In the present embodiment, three nip rolls 103 are provided, one on each side of the saw blade 102, and two nip rolls 103 are provided on the side in the feeding direction. Correspondingly, three feed rollers 109 are provided, and are correspondingly provided below the nip roller 103.

As shown in fig. 2 to 4, the rear end of the platen roller shaft 104 of the nip roller 103 extends horizontally to the rear side of the frame 100, and a connecting member 200 is provided on each platen roller shaft 104. The connecting member 200 is disposed at the rear side of the frame 100, as shown in fig. 3 and 4, the connecting member 200 is plate-shaped, one end of the connecting member 200 is rotatably connected to the press roller shafts 104, and each press roller shaft 104 is connected to the connecting member 200 through a pair of bearing seats 121.

As shown in fig. 2, the rear end of the feed roller shaft 109 extends horizontally to the rear side of the frame 100, and the feed roller shaft 109 of the feed roller 108 is fixed to the frame 100 through a bearing housing 110. The rear ends of the roller feeding shafts 109 are respectively provided with roller feeding gears 111, and the roller feeding gears 111 are sequentially in transmission connection.

At least the other ends of the adjacent connecting pieces 200 are rotatably connected with each other through the same connecting shaft 201 between the connecting pieces 200. For example, the other ends of the connecting members 200 may be rotatably connected by the same rotating shaft; alternatively, as shown in fig. 2, the other end of the connecting member 200 in this embodiment extends to the upper side of the adjacent connecting member 200 and is rotatably connected with the adjacent connecting member 200 through a connecting shaft 201, and the other end of the connecting member 200 at the end in the feeding direction is rotatably connected with the rack 100 through a transmission shaft 105.

The compression roller shafts 104 are rotatably fixed on each connecting piece 200 and are respectively in transmission connection with one connecting shaft 201 on the same connecting piece 200.

As shown in fig. 2, from the feeding direction, one end of the first connecting member 200 is rotatably connected to the frame 100 through the transmission shaft 105, the second connecting member 200 is rotatably connected to the upper surface of the middle portion of the first connecting member 200 through the connecting shaft 201, and the third connecting member 200 is rotatably connected to the upper surface of the middle portion of the second connecting member 200 through the connecting shaft 201. The connecting shaft 201 on the middle parts of the first connecting piece 200 and the second connecting piece 200 are in transmission connection.

The compression roller shafts 104 on the first and second connecting pieces 200 are respectively in transmission connection with a connecting shaft 201 on the middle part of the connecting piece 200, and the third connecting piece 200 is in transmission connection with the connecting shaft 201 on the other end of the connecting piece 200 because the third connecting piece is the last connecting piece, namely, the compression roller shafts 104 on the second connecting piece 200 are in transmission connection with the same connecting shaft 201. Of course, a connecting shaft may be further disposed on the middle portion of the third connecting member 200, and the connecting shaft may be in transmission connection with the connecting shaft on the middle portion of the second connecting member, and then the pressure roller shaft on the third connecting member may be in transmission connection with the connecting shaft.

Specifically, as shown in fig. 3, a transmission shaft 105 connected to the frame 100 is fixed to the frame 100 through a bearing housing 105 ', a pair of bearing housings 121 are provided at one end of each of the connection members 200 for connecting the compression roller shaft 104, and a pair of bearing housings 201 ' are provided at the other end of each of the connection members 200, and a pair of bearing housings 200 ' are provided at least on the middle portions of the first two connection members 200.

The bearing seats 201 'of the first connector 200 are provided between the bearing seats 105', and the drive shaft 105 passes through the bearing seats 201 'and the bearing seats 105'.

The bearing housing 121 of the second connecting member 200 is disposed between the bearing housings 200 'on the middle portion of the first connecting member 200, and the connecting shaft 201 passes through the bearing housing 121 and the bearing housing 200'.

The bearing housing 121 of the third connecting member 200 is disposed between the bearing housings 200 'on the middle portion of the second connecting member 200, and the connecting shaft 201 passes through the bearing housing 121 and the bearing housing 200'.

The press roll shaft 104 is in transmission connection with the connecting shaft 201, and the press roll shafts 104 are not connected with each other any more, so that when the press roll shaft 104 moves up and down along with the pressure roll 103, the press roll shaft 104 and the connecting shaft 201 move simultaneously on the same connecting piece 200, and therefore, chain tightness change caused by mutual displacement of the two press roll shafts 104 in the prior art is avoided.

As shown in fig. 2, the utility model discloses still include feeding motor 300, the power source of drive pinch rolls 103 promptly, feeding motor 300 is gear motor, if independent motor, need be equipped with the speed reducer and reduce output speed and increase output torque.

The transmission shaft 105 is in transmission connection with the feeding motor 300, the transmission shaft 105 is in transmission connection with the connecting shafts 201 in turn, and as described above, each of the press roller shafts 104 is in transmission connection with only one of the connecting shafts 201 on the same connecting member 200.

In the present embodiment, the whole transmission is a chain transmission, and as shown in fig. 3 and fig. 6, a pressure roller gear 106 is provided at the rear end of the pressure roller shaft 104, and the pressure roller gear 106, the pressure roller 103 and the pressure roller shaft 104 rotate coaxially.

Three same connecting gears 202 are respectively arranged at the same end of the connecting shaft 201 as the rear end of the compression roller shaft 104, and the connecting gears 202 and the connecting shaft 201 rotate coaxially; two identical transmission gears 107 are arranged at the same end of the transmission shaft 105 as the rear end of the compression roller shaft 104, and the transmission gears 107 and the transmission shaft 105 rotate coaxially.

A driving gear 302 is arranged on a power output shaft 301 of the feeding motor 300.

The feed roller 109 can be independently provided with a driving motor, but in order to realize synchronous transmission and simplify the structure, in the embodiment, the feed roller 109 is also driven by the feed motor 300, and the power output shaft 301 of the feed motor 300 is in transmission connection with the transmission shaft 105.

As shown in fig. 2, a tension gear 112 is further provided obliquely above the drive shaft 105, the tension gear 112 and the drive gear 302 are in mesh with the closest roller feed gear 111 via the drive chain 113, and the transmission gear 107 is in mesh with the drive chain 113.

The tension gear 112 is fixedly connected with the frame 100 through a tension shaft 114, and the tension gear 112 is rotatably connected with the tension shaft 114. Referring to fig. 2 and 5, two screws 115 are vertically and upwardly disposed on the tensioning shaft 114 of the tensioning gear 112, two horizontal brackets 116 are disposed on the frame 100, and the two screws 115 respectively vertically and upwardly penetrate through the horizontal brackets 116 and are fixed on the horizontal brackets 116 through nuts 117.

As shown in fig. 1 to 4, a pressing device is further disposed on each connecting member 200 near the nip roll 103. The pressing device comprises a straight rod 119 and a compression spring 120, wherein the straight rod 119 is vertically upward, the compression spring 120 is sleeved on the straight rod 119, the bottom of the straight rod 119 is rotatably connected with the connecting piece 200, the top of the straight rod 119 penetrates out of the top of the rack 100, the top of the compression spring 120 is abutted to the lower surface of the top of the rack 100, and the bottom of the compression spring 120 is fixedly connected with the bottom of the straight rod 119.

As shown in fig. 1 and 2, in the present embodiment, two saw blades 102 are provided, and are respectively in transmission connection with an electric saw motor 118. The drive shaft of the saw blade 102 is fixed to the frame 100 through a bearing sleeve 122, and the ends of the bearing sleeve 122 are respectively provided with a pulley 123, and each pulley is independently and drivingly connected to the electric saw motor 118.

Claims

1. A batten saw blade machine comprises a frame, a processing table is horizontally arranged on the front side of the frame, a saw blade is arranged in the middle of the processing table, a plurality of material pressing rollers are arranged above the processing table and are horizontally distributed along the feeding direction, the rear ends of the material pressing rollers horizontally extend to the rear side of the frame,

each press roll shaft is provided with a connecting piece, and the connecting pieces are arranged on the rear side of the rack;

one end of the connecting piece is rotationally connected with the compression roller shaft;

the other ends of at least adjacent connecting pieces are rotatably connected through the same connecting shaft;

the compression roller shaft is in transmission connection with one of the connecting shafts on the same connecting piece;

and a pressing device is also arranged on one side of each connecting piece close to the material pressing roller.

2. A flitch saw machine according to claim 1, wherein the other end of the connecting piece extends above the adjacent connecting piece and is rotatably connected therewith by a connecting shaft, and the other end of the connecting piece at the end in the feeding direction is rotatably connected with the frame by a transmission shaft.

3. The flitch saw blade machine of claim 2, further comprising a feeding motor, wherein the transmission shaft is in transmission link with the feeding motor, the transmission shaft is in transmission link with the connecting shafts in turn, and each of the pressure roller shafts is in transmission link with only one of the connecting shafts on the same connecting member.

4. The flitch sawing machine according to claim 3, wherein a compression roller gear is respectively provided at the rear end of the compression roller shaft, and the compression roller gear, the nip roller and the compression roller shaft rotate coaxially; three same connecting gears are respectively arranged at the same end of the connecting shaft as the rear end of the compression roller shaft, and the connecting gears and the connecting shaft rotate coaxially; two identical transmission gears are arranged at the end, identical to the rear end of the compression roller shaft, of the transmission shaft, and the transmission gears and the transmission shaft rotate coaxially; and a driving gear is arranged on a power output shaft of the feeding motor.

5. The flitch saw blade machine according to claim 4, wherein a feed roller is arranged below each nip roller, a feed roller shaft of the feed roller is fixed on the frame through a bearing seat, and the rotation direction of the feed roller is opposite to that of the nip roller; the rear end of the roller conveying shaft horizontally extends to the rear side of the rack, roller conveying gears are respectively arranged at the rear end of the roller conveying shaft, and the roller conveying gears are sequentially in transmission connection.

6. A flitch sawing machine according to claim 5, characterized in that a tensioning gear is further arranged obliquely above the transmission shaft, the tensioning gear, the driving gear and the nearest roller feeding gear are meshed in a driving chain, and the driving gear is meshed outside the driving chain.

7. The flitch sawing machine according to claim 6, wherein the tensioning gear is fixedly connected with the frame through a tensioning shaft, and the tensioning gear is rotatably connected with the tensioning shaft; two screws are vertically and upwards arranged on a tensioning shaft of the tensioning gear, two horizontal supports are arranged on the rack, and the two screws vertically and upwards penetrate through the horizontal supports respectively and are fixed on the horizontal supports through nuts.

8. The flitch saw machine of claim 1, wherein two saw blades are provided and are in transmission connection with each other through an electric saw motor.

9. The wood-cutting machine as claimed in claim 1, wherein the compressing device comprises a straight rod vertically upwards and a compression spring sleeved on the straight rod, the bottom of the straight rod is rotatably connected with the connecting piece, the top of the straight rod penetrates out of the top of the frame, the top of the compression spring is abutted against the lower surface of the top of the frame, and the bottom of the compression spring is fixedly connected with the bottom of the straight rod.

10. A flitch saw blade machine according to claim 1, wherein three nip rolls are provided, one on each side of the saw blade, wherein two nip rolls are provided on the side in the feeding direction.