CN219855005U

CN219855005U - Wood cutting machine

Info

Publication number: CN219855005U
Application number: CN202321315359.9U
Authority: CN
Inventors: 景奉国; 张波; 黄大川; 刘广凯; 景重洋
Original assignee: Shandong Jingerui Machinery Co ltd
Current assignee: Shandong Jingerui Machinery Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-10-20
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a wood cutting machine, which comprises a box body, wherein a cutting platform is connected and arranged in the box body, a threaded shaft and a guide rod are arranged above the cutting platform, two ends of the threaded shaft are rotatably connected with the side wall of the box body, one end of the threaded shaft extends out of the box body and is connected with a first motor on the outer side, a movable nut is sleeved on the threaded shaft and passes through the guide rod and is in sliding connection with the guide rod, a fixed plate is arranged on the front side and the rear side of the bottom of the movable nut, a cutter shaft is rotatably connected on the two fixed plates, one end of the cutter shaft extends out of the fixed plate and is connected with a second motor, and a plurality of saw-tooth cutting knives which can be adjusted front and back and can rotate along with the cutter shaft are sleeved on the cutter shaft from front to back; through set up a plurality of sawtooth cutting knives that can adjust from front to back on the arbor, when cutting, according to the cutting thickness that timber will cut, adjust the position of sawtooth cutting knife from front to back to the sawtooth cutting knife from left to right or from right to left one time stroke, can cut into the multichip with monoblock timber, improved work efficiency greatly.

Description

Wood cutting machine

Technical Field

The utility model belongs to the technical field of wood cutting equipment, and particularly relates to a wood cutting machine.

Background

The utility model patent with Chinese patent publication No. CN208179782U discloses a wood cutting device, which mainly comprises a box body (a), wherein an armrest (p) is arranged on one side of the box body (a), a cutting platform (b) is arranged on the lower part in the box body (a), two belt wheels (d) are rotatably connected on the left side and the right side of the inner top of the box body (a) through support columns (c), the two belt wheels (d) are connected through a belt (e), one belt wheel (d) is connected with a motor, a saw tooth cutting knife (f) is connected on the bottom surface of the belt (e) through a moving block (m), the moving block (m) is sleeved on a sliding rod (n) in the box body in a sliding mode, and springs (k) are sleeved on the two sides of the sliding rod (n).

Above-mentioned prior art scheme is through starting the motor, and the motor drives the band pulley and rotates the back to drive the belt and rotate, the belt can drive the movable block and slide on the slide bar at pivoted in-process, thereby drives sawtooth cutting knife and removes, with the timber of cutting place on cutting platform.

However, the prior art solution described above finds the following drawbacks in implementation: and (3) a step of: the belt is made of flexible materials, and in the process of driving the saw-tooth cutting knife to move, the saw-tooth cutting knife is subjected to large reverse acting force of wood, so that the belt is also subjected to large reverse pulling of the saw-tooth cutting knife, and the belt is easy to tear; and II: when cutting timber, once one-way stroke can only cut wood into two, when needs cut into the polylith with timber along a direction, needs sawtooth cutting knife to go on repeatedly many times, and in this in-process, once cut, just need to press from both sides tight location again to timber, work efficiency is lower.

Disclosure of Invention

In view of the defects and drawbacks existing in the prior art, the utility model aims to provide a wood cutting machine, which solves the problems that the wood cutting machine in the prior art drives a saw-tooth cutting knife by using a belt, the belt is made of flexible materials, and the saw-tooth cutting knife is subjected to large reverse acting force of wood in the process of driving the saw-tooth cutting knife to move, so that the belt is also subjected to large reverse pulling of the saw-tooth cutting knife, the belt is easy to tear, the wood can only be cut into two pieces by one unidirectional stroke when the wood is cut, the saw-tooth cutting knife is required to be repeatedly carried out for a plurality of times when the wood is required to be cut, and in the process, the wood is required to be clamped and positioned again once in every time of cutting, and the working efficiency is low.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a timber cutting machine, the power distribution box comprises a box body, the connection that the below passes through telescoping device liftable is equipped with cutting platform, cutting platform top is equipped with a screw thread axle, screw thread axle both ends are connected with the box lateral wall rotation, and one end stretches out the box and is connected with the first motor in outside, both sides all are equipped with a guide bar of both ends fixing on the box lateral wall around the screw thread axle, the epaxial cover of screw thread is equipped with a removal nut, the removal nut passes the guide bar and rather than sliding connection, both sides all are equipped with a fixed plate around the removal nut bottom, rotate on two fixed plates and connect a arbor, and fixed plate and second motor are connected are stretched out to arbor one end, the cover is equipped with a plurality of saw tooth cutting knives that all can adjust from front to back and can rotate along with it from front to back on the arbor.

As a further improvement of the utility model, the cutter shaft comprises a thread section arranged between two fixing plates and an optical axis section which is arranged at two ends of the thread section and is rotationally connected with the fixing plates, one side of the thread section is provided with a sliding groove along the axial direction of the thread section, an inner hole of the saw-tooth cutter is provided with a sliding block which is in sliding fit with the sliding groove, and the thread section is provided with a fastening nut which is in threaded fit with the thread shaft at the front side and the rear side of each saw-tooth cutter.

As a further improvement of the utility model, a shield which can cover the upper half part of the saw tooth cutter is detachably arranged between the two fixing plates.

As a further improvement of the utility model, the shield is connected with the fixed plate through bolts.

As a further improvement of the utility model, a slot which can be used for embedding the bottom of the wood is arranged below the threaded shaft on the cutting platform.

As a further improvement of the utility model, the telescopic device is an electric push rod or a pneumatic push rod.

Compared with the prior art, the utility model has the following advantages:

1. the screw shaft and the guide rod are rotatably arranged in the box body, the moving block connected with the saw-tooth cutter is sleeved on the screw shaft and the guide rod, and when the motor drives the screw shaft to rotate, the moving block moves left and right under the limit of the guide rod, so that the saw-tooth cutter is driven to move left and right, and the problem that a belt is easy to tear due to the fact that the belt is used for driving the saw-tooth cutter to move in the prior art is avoided because the rigidity of the screw shaft is not deformed; in addition, the cutting platform is connected with the box body in a lifting manner through the telescopic device, so that the relative height between the cutting platform and the saw tooth cutting knife can be adjusted up and down, and the adjustment is more flexible and convenient;

in addition, a plurality of saw-tooth cutting knives capable of being adjusted back and forth are arranged on the cutter shaft, and when in cutting, the positions of the saw-tooth cutting knives are adjusted back and forth according to the cutting thickness of wood to be cut, so that the saw-tooth cutting knives can cut the whole wood into a plurality of pieces through one stroke from left to right or from right to left, and the working efficiency is greatly improved.

2. Through setting up the arbor into screw thread section and optical axis section, set up the spout on the screw thread section, set up on the sawtooth cutting knife with spout sliding fit's slider to the sawtooth cutting knife can slide around on the screw thread section, with the front and back position of regulation sawtooth cutting knife, in addition, all be equipped with one with screw thread shaft screw thread complex fastening nut in the front and back both sides of every sawtooth cutting knife on the screw thread section, after adjusting the position of sawtooth cutting knife, through twisting the nut for the nut pastes on the sawtooth cutting knife for press from both sides tight fixed sawtooth cutting knife, adjust simply reliably.

3. Through the detachable guard shield that sets up between two fixed plates to can cover the saw-tooth cutting knife first half, avoid when the cutting, the saw-dust splashes, and can avoid personnel to touch the injury that the saw-tooth cutting knife caused relatively to a certain extent, in addition, the guard shield can be dismantled with the fixed plate and be connected, with the guard shield dismantlement back, make things convenient for the change and the regulation of saw-tooth cutting knife.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic diagram of a first embodiment of the present utility model;

FIG. 3 is a schematic diagram of a second embodiment of the present utility model (without a shield);

fig. 4 is a schematic structural view of a cutter shaft;

in the figure: 1. a case; 2. a cutting platform; 3. a telescoping device; 4. a threaded shaft; 5. a first motor; 6. a guide rod; 7. moving the nut; 8. a fixing plate; 9. a cutter shaft; 91. a threaded section; 92. an optical axis section; 10. a second motor; 11. saw tooth cutter; 12. a shield; 13. slotting; 14. a fastening nut; 15. and a sliding groove.

Detailed Description

The utility model is described in further detail below with reference to fig. 2-4. For the sake of clarity, only the structures related to the utility model are shown in the drawings.

For convenience of description, the coordinate system is defined as shown in fig. 2, and the left-right direction is a transverse direction, the front-rear direction is a longitudinal direction, and the up-down direction is a vertical direction.

The embodiment of the utility model discloses a wood cutting machine. Referring to fig. 2 and 3, a wood cutting machine comprises a box body 1, a cutting platform 2 is arranged at the lower part in the box body 1, a slot 13 capable of embedding the bottom of the wood is arranged below a threaded shaft 4 on the cutting platform 2, the cutting platform 2 is connected with the box body 1 in a lifting manner through two telescopic devices 3, and the telescopic devices 3 can be electric push rods or pneumatic push rods. A threaded shaft 4 is arranged above the cutting platform 2, two ends of the threaded shaft 4 are rotationally connected with the side wall of the box body 1, one end of the threaded shaft extends out of the box body 1 and is connected with a first motor 5 on the outer side, guide rods 6 with two ends fixed on the side wall of the box body 1 are respectively arranged on the front side and the rear side of the threaded shaft 4, a movable nut 7 is sleeved on the threaded shaft 4, the movable nut 7 penetrates through the guide rods 6 and is in sliding connection with the guide rods, a fixed plate 8 is respectively arranged on the front side and the rear side of the bottom of the movable nut 7, a cutter shaft 9 is rotationally connected on the two fixed plates 8, one end of the cutter shaft 9 extends out of the fixed plate 8 and is connected with a second motor 10, and a plurality of saw-tooth cutting knives 11 which can be adjusted front and rear and can rotate along with the cutter shaft 9 are sleeved on the cutter shaft from front to rear.

As shown in fig. 4, the cutter shaft 9 includes a threaded section 91 disposed between two fixing plates 8 and optical axis sections 92 rotatably connected to the fixing plates 8 at both ends of the threaded section 91, one side of the threaded section 91 is provided with a sliding slot 15 along the axial direction thereof, as shown in fig. 3, an inner hole of the saw blade cutter 11 is provided with a sliding block (not shown in the drawing) slidably engaged with the sliding slot 15, and both front and rear sides of each saw blade cutter 11 on the threaded section 91 are provided with a fastening nut 14 threadably engaged with the threaded shaft 4; through the above-mentioned setting to sawtooth cutting knife 11 can slide back and forth on screw thread section 91 to adjust sawtooth cutting knife 11's front and back position, in addition, all be equipped with one on screw thread section 91 in every sawtooth cutting knife 11 front and back both sides with screw thread shaft 4 screw-fit's fastening nut 14, after adjusting sawtooth cutting knife 11's position, through twisting the nut, make the nut paste on sawtooth cutting knife 11, be used for pressing from both sides tight fixed sawtooth cutting knife 11, adjust simply reliably.

In addition, as shown in fig. 2, a shield 12 capable of covering the upper half part of the saw-tooth cutter 11 is detachably arranged between the two fixing plates 8 through bolts, so that the upper half part of the saw-tooth cutter 11 can be covered, the saw dust is prevented from splashing when cutting, the damage caused by touching the saw-tooth cutter 11 by personnel can be relatively avoided to a certain extent, in addition, the shield 12 is detachably connected with the fixing plates 8, and the replacement and adjustment of the saw-tooth cutter 11 are facilitated after the shield 12 is detached.

The implementation principle of the utility model is as follows: before cutting, according to the size requirement of the cut wood, the fastening nuts 14 are rotated and adjusted, then the front and back positions of each saw tooth cutter 11 are adjusted successively, the saw tooth cutters are fixed by the fastening nuts 14, the wood is placed and positioned on the cutting platform 2, then the telescopic device 3 is adjusted to adjust the height of the cutting platform 2 up and down, then the first motor 5 and the second motor 10 are started, the second motor 10 drives the cutter shaft 9 and the saw tooth cutters 11 to rotate so as to cut the wood, the first motor 5 drives the threaded shaft 4 to rotate, and when the threaded shaft 4 rotates, the moving block is driven to move left and right under the limit of the guide shaft, and the moving block is driven to move left and right by the movement of the moving block, so that the cutting of the wood is completed in the length direction.

According to the utility model, the threaded shaft 4 and the guide rod 6 are rotationally arranged in the box body 1, the moving block connected with the saw tooth cutter 11 is sleeved on the threaded shaft 4 and the guide rod 6, and when the motor drives the threaded shaft 4 to rotate, the moving block moves left and right under the limit of the guide rod, so that the saw tooth cutter 11 is driven to move left and right, and the problem that the belt is easy to tear due to the fact that the rigidity of the threaded shaft 4 is not deformed is solved, so that the saw tooth cutter 11 is more stable in use, and the problem that the belt is easy to tear due to the fact that the belt is used for driving the saw tooth cutter 11 to move in the prior art is avoided; in addition, the cutting platform 2 is connected with the box body 1 in a lifting manner through the telescopic device 3, so that the relative height between the cutting platform 2 and the saw tooth cutting knife 11 can be adjusted up and down, and the adjustment is more flexible and convenient;

in addition, a plurality of saw tooth cutters 11 capable of being adjusted back and forth are arranged on the cutter shaft 9, and when in cutting, the positions of the saw tooth cutters 11 are adjusted back and forth according to the cutting thickness of wood to be cut, so that the saw tooth cutters 11 can cut the whole wood into a plurality of pieces from left to right or from right to left in one stroke, and the working efficiency is greatly improved.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. It should be understood that the detailed description is presented for purposes of understanding only and is not intended to limit the utility model to all other embodiments that may be obtained by one skilled in the art without making any inventive effort.

Claims

1. The utility model provides a timber cutting machine, includes the box, and the below is equipped with cutting platform, its characterized in that in the box: the cutting platform is connected with the box through telescoping device liftable, the cutting platform top is equipped with a screw thread axle, screw thread axle both ends are connected with the box lateral wall rotation, and one end stretches out the box and is connected with the first motor in outside, both sides all are equipped with a guide bar that both ends are fixed on the box lateral wall around the screw thread axle, the epaxial cover of screw thread is equipped with a removal nut, the removal nut passes the guide bar and rather than sliding connection, both sides all are equipped with a fixed plate around the removal nut bottom, rotate on two fixed plates and connect a arbor, and arbor one end stretches out the fixed plate and is connected with the second motor, cover is equipped with a plurality of saw-tooth cutting knives that all can adjust from front to back and rotate along with it from the front to back on the arbor.

2. A wood cutting machine according to claim 1, wherein: the cutter shaft comprises a thread section arranged between two fixing plates and an optical axis section which is arranged at two ends of the thread section and is rotationally connected with the fixing plates, a sliding groove is formed in one side of the thread section along the axial direction of the thread section, a sliding block which is in sliding fit with the sliding groove is arranged on an inner hole of the saw-tooth cutting knife, and a fastening nut which is in threaded fit with the thread shaft is arranged on the front side and the rear side of each saw-tooth cutting knife on the thread section.

3. A wood cutting machine according to claim 2, wherein: a protective cover capable of covering the upper half part of the saw tooth cutter is detachably arranged between the two fixing plates.

4. A wood cutting machine according to claim 3, wherein: the shield is connected with the fixed plate through bolts.

5. A wood cutting machine according to any one of claims 1-4, wherein: the cutting platform is provided with a slot which can be used for embedding the bottom of the wood under the threaded shaft.

6. A wood cutting machine according to any one of claims 1-4, wherein: the telescopic device is an electric push rod or a pneumatic push rod.