CN211221074U - Upper shaft adjustable square wood slicing saw - Google Patents

Abstract

The application relates to the technical field of square timber splitting saws, in particular to an upper shaft adjustable square timber splitting saw which comprises a rack, an upper transmission shaft and a lower transmission shaft, wherein the upper transmission shaft and the lower transmission shaft are positioned on the rack; the saw blade fixing device further comprises an eccentric sleeve rotatably arranged in the upper shaft hole and a limiting assembly used for limiting the eccentric sleeve to rotate along the axis of the upper shaft hole, and the upper transmission shaft is fixed in the eccentric hole of the eccentric sleeve and can drive the upper saw blade to rotate along the axis of the eccentric hole. By the arrangement, the upper saw blade can be suitable for square timbers of different specifications by adjusting the height of the upper saw blade, so that the upper saw blade and the lower saw blade are uniformly stressed, and the cutting efficiency of the saw blade and the utilization rate of the saw blade are improved; the cutting thickness of the saw blade is reduced, the timber outturn rate is increased, the product quality is favorably improved, and the saw blade is well protected.

Description

Upper shaft adjustable square wood slicing saw

Technical Field

The application relates to the technical field of square timber slicing saws, in particular to an upper shaft adjustable square timber slicing saw.

Background

The square wood slicing saw has the main functions of sawing square wood, processing the square wood into square pieces with multiple specifications, processing boards with various thicknesses, and has the advantages of smooth feeding, no saw blade burning, small saw path, high efficiency, high safety and the like.

The upper saw blade and the lower saw blade of the traditional square wood split saw are fixed, and the axle distance between the upper saw blade and the lower saw blade is kept fixed, so that the specification of the square wood split saw is relatively fixed, and only square wood smaller than the axle distance can be sawed. When the square wood slicing saw with the specification of 8 centimeters is used, if a square material with the specification of 8 centimeters is sawn, 4 centimeters are respectively sawn by the upper saw blade and the lower saw blade, if a square material with the specification of 6 centimeters is sawn by the square material, 4 centimeters can be sawn by the lower saw blade, and 2 centimeters can be sawn by the upper saw blade.

Therefore, how to solve the problems that the specification of the existing square wood splitting saw is relatively fixed, the upper and lower saw blades are stressed unevenly when the square wood with small specification is sawn, and the product quality is easily influenced is a key technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art to a certain extent at least, the invention aims to provide an upper shaft adjustable square timber splitting saw, which can solve the problems that the specification of the existing square timber splitting saw is relatively fixed, the stress of an upper saw blade and a lower saw blade is uneven when small-specification square timbers are sawed, and the product quality is easily influenced.

The application provides an upper shaft adjustable square timber slicing saw, which comprises a rack, an upper transmission shaft and a lower transmission shaft, wherein the upper transmission shaft and the lower transmission shaft are positioned on the rack; the saw blade fixing device is characterized by further comprising an eccentric sleeve rotatably arranged in the upper shaft hole and a limiting assembly used for limiting the eccentric sleeve to rotate along the axis of the upper shaft hole, and the upper transmission shaft is fixed in the eccentric hole of the eccentric sleeve and can drive the upper saw blade to rotate along the axis of the eccentric hole.

Preferably, the upper transmission shaft comprises a rotation shaft in transmission connection with the upper saw blade and a fixed sleeve fixed in an eccentric hole of the eccentric sleeve, and the rotation shaft is arranged in the fixed sleeve in a penetrating manner and rotates along the axis of the fixed sleeve.

Preferably, the front wall plate and the rear wall plate of the rack are correspondingly provided with the upper shaft holes, and the two eccentric sleeves are provided and respectively fixed in the two upper shaft holes.

Preferably, the limiting assembly comprises a locking disc sleeved outside the upper transmission shaft, and the eccentric sleeve and the rack are fixed with the locking disc.

Preferably, one end of the eccentric sleeve, which is far away from the rack, is provided with an annular bulge, and the annular bulge extends out of the upper shaft hole and abuts against the outer side wall of the rack.

Preferably, the eccentric sleeve and the fixed sleeve are limited by a key.

Preferably, the bond is 50 mm long.

Preferably, a bearing is disposed between the fixed sleeve and the rotating shaft.

Preferably, the saw blade saw further comprises an upper drive used for driving the upper transmission shaft to rotate, and the upper drive and the upper saw blade are respectively in transmission connection with two ends of the upper transmission shaft and can move along with the upper transmission shaft.

Preferably, the frame is further provided with a conveying platform, a conveying wheel and a conveying pinch roller, wherein the conveying wheel is used for driving the square timber to move along the conveying platform, the conveying wheel and the conveying platform are located on the same plane, and the conveying pinch roller is arranged above the conveying platform through a lifting mechanism.

The technical scheme provided by the application can comprise the following beneficial effects:

the frame is provided with an upper shaft hole for mounting an upper transmission shaft to hold the upper transmission shaft in the upper shaft hole, and the upper transmission shaft is connected in the upper shaft hole through an eccentric sleeve. Specifically, the eccentric sleeve is rotatably connected in the upper shaft hole, and when the eccentric sleeve rotates, the eccentric hole in the eccentric sleeve rotates and is displaced in the vertical direction; the upper transmission shaft is fixed in an eccentric hole of the eccentric sleeve and can transmit in the eccentric hole, so that the upper transmission shaft can drive the upper saw blade to rotate by taking the axis of the eccentric hole as a shaft, the eccentric hole can be displaced in the vertical direction by rotating the eccentric sleeve by taking the axis of the upper shaft hole as the shaft, and the upper transmission shaft in the eccentric hole can be displaced along with the eccentric hole, so that the displacement of the upper saw blade is realized.

Because the lower saw bit passes through the lower transmission shaft to be fixed in the frame, and the position keeps fixed, change the position of saw bit in vertical direction down, alright with adjust the saw bit and lower saw bit to the distance in vertical direction, so that adjust the distance of saw bit and lower saw bit according to the specification and size of square timber, guarantee that the thickness of saw bit and the saw square timber of lower saw bit saw is unanimous, the atress of going up saw bit and lower saw bit is even, be favorable to promoting the quality of product, and play good guard effect to the saw bit.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a main cross-sectional view of the present spindle adjustable square lumber blade saw cutting 8 centimeter gauge square lumber, according to some exemplary embodiments;

FIG. 2 is a main cross-sectional view of the present spindle adjustable square lumber blade saw cutting 5 cm square lumber, according to some exemplary embodiments;

FIG. 3 is a side cross-sectional view of the present axis adjustable square lumber split blade saw shown in accordance with some exemplary embodiments;

FIG. 4 is a cross-sectional view of an upper driveshaft position shown in accordance with certain exemplary embodiments;

fig. 5 is an enlarged schematic view of the position a in fig. 4.

In the figure: 11. an upper saw blade; 12. a rotating shaft; 13. fixing a sleeve; 14. an eccentric sleeve; 15. a locking disc; 16. a key; 17. conveying the pinch roller; 21. a lower saw blade; 22. a delivery wheel; 31. a front wall panel; 32. and a rear wall panel.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus or methods consistent with aspects of the present application.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 5, the present embodiment provides an upper shaft adjustable square lumber slicing saw, including a frame, an upper transmission shaft and a lower transmission shaft, wherein the upper transmission shaft and the lower transmission shaft are both disposed on the frame and maintain a certain distance therebetween, and an upper saw blade 11 and a lower saw blade 21 are respectively disposed on the upper transmission shaft and the lower transmission shaft, the upper saw blade 11 and the lower saw blade 21 are disposed opposite to each other, and each saw blade is disposed on a same vertical plane, so that the upper and lower positions correspond to each other when the square lumber is sliced.

The frame is provided with an upper shaft hole for mounting an upper drive shaft to retain the upper drive shaft within the upper shaft hole, and the upper drive shaft is connected within the upper shaft hole by an eccentric bushing 14. Specifically, the eccentric sleeve 14 is rotatably coupled in the upper shaft hole, and when the eccentric sleeve 14 is rotated, the eccentric hole in the eccentric sleeve 14 is rotated and displaced in the vertical direction; the upper transmission shaft is fixed in an eccentric hole of the eccentric sleeve 14 and can transmit in the eccentric hole, so that the upper transmission shaft can drive the upper saw blade 11 to rotate by taking the axis of the eccentric hole as a shaft, the eccentric hole can be displaced in the vertical direction by rotating the eccentric sleeve 14 by taking the axis of the upper shaft hole as the shaft, and the upper transmission shaft in the eccentric hole can be displaced along with the eccentric hole, so that the displacement of the upper saw blade 11 is realized.

Because lower saw bit 21 passes through the lower transmission shaft to be fixed in the frame, and the position keeps fixed, change saw bit 21 position in vertical direction down, alright 11 and the distance of saw bit 21 in vertical direction on the adjustable, so that adjust the distance of saw bit 11 and lower saw bit 21 according to the specification and size of square timber, guarantee that the thickness of saw bit 11 and the square timber that lower saw bit 21 saw is unanimous mutually, the atress of going up saw bit 11 and lower saw bit 21 is even, be favorable to promoting the quality of product, and play good guard effect to the saw bit.

When the eccentric sleeve 14 is positioned as shown in fig. 1, the thickness of the sawn square timber is 8 cm, the cutting amount of the upper saw blade 11 and the lower saw blade 21 is consistent and is 4 cm when the square timber is cut, and the stress of the upper saw blade 11 and the lower saw blade 21 is uniform; when the specification of the square timber to be cut is changed into 5 centimeters, the eccentric sleeve 14 is rotated by 91 degrees clockwise, so that the eccentric sleeve 14 is positioned at the position shown in figure 2, and the upper saw blade 11 is adjusted downwards by 3 centimeters in the vertical direction due to the eccentric action of the eccentric sleeve 14, so that the cutting amount of the upper saw blade 11 and the lower saw blade 21 is consistent and is 2.5 centimeters when the square timber is cut, the uniform stress of the upper saw blade 11 and the lower saw blade 21 can be ensured, and the cutting efficiency of the saw blade and the utilization rate of the saw blade are improved; the cutting thickness of the saw blade is reduced, and the outturn rate of wood is improved.

It should be noted that, the frame is provided with an inlet end and an outlet end of the square timber, and a passage for conveying the square timber is formed between the inlet end and the outlet end, here, the upper saw blade 11 is located above the lower saw blade 21, and the upper saw blade 11 is located at the upstream of the lower saw blade 21, so as to avoid the position overlapping collision of the upper saw blade 11 and the lower saw blade 21 when the position of the upper saw blade 11 is adjusted, and after the upper saw blade 11 finishes cutting the upper half square timber, the lower half square timber is cut by the lower saw blade 21, and the structure is stable and reliable.

In addition, a limit component is arranged between the rack and the eccentric sleeve 14 and is used for limiting the eccentric sleeve 14 to rotate along the upper shaft hole, when the upper saw blade 11 cuts square wood, the eccentric sleeve 14 is driven to rotate by a certain amount, and under the action of the limit component, the eccentric sleeve 14 is fixed in the upper shaft hole of the rack and cannot rotate; when the position of the upper saw blade 11 needs to be changed, the limit of the limit component is released, so that the eccentric sleeve 14 can be rotated, and the stability and the reliability of the structure are guaranteed.

It can be understood that the eccentric sleeve 14 is rotatably disposed in the upper shaft hole, specifically, the eccentric sleeve 14 and the upper shaft hole are both circular, and the outer wall of the eccentric sleeve 14 can be in sliding fit with the inner wall of the upper shaft hole, so that the eccentric sleeve 14 can rotate around the axis of the upper shaft hole.

Due to the arrangement, the height of the upper saw blade 11 can be adjusted to be suitable for square timbers of different specifications, so that the upper saw blade 11 and the lower saw blade 21 are uniformly stressed, and the cutting efficiency and the utilization rate of the saw blades are improved; the cutting thickness of the saw blade is reduced, the timber outturn rate is increased, the product quality is favorably improved, and the saw blade is well protected.

In this embodiment, the upper transmission shaft includes a rotation shaft 12 and a fixing sleeve 13, wherein the rotation shaft 12 is in transmission connection with the upper saw blade 11 and is used for driving the upper saw blade 11 to rotate; fixed cover 13 fixed connection is in eccentric cover 14's eccentric orfice to be used for bearing axis of rotation 12, moreover, axis of rotation 12 rotationally wears to establish in fixed cover 13, and can drive saw bit 11 and rotate with the axis of fixed cover 13, like this, under the effect of accepting of fixed cover 13, axis of rotation 12 is fixed in eccentric cover 14's eccentric orfice indirectly, is favorable to strengthening the steadiness and the reliability that axis of rotation 12 and eccentric orfice are connected, guarantees the stability of structure function.

The frame has preceding wallboard 31 and back wallboard 32, has all seted up above-mentioned upper shaft hole on preceding wallboard 31 and back wallboard 32, moreover, all is provided with eccentric bushing 14 in two upper shaft holes to through eccentric bushing 14 with last transmission shaft and upper shaft hole connection, correspondingly, spacing subassembly also can be provided with two sets ofly, be used for spacing two eccentric bushings 14 respectively. Like this, support the transmission shaft simultaneously on preceding wallboard 31 and back wallboard 32, be favorable to strengthening the connection steadiness of transmission shaft and frame, guarantee transmission efficiency.

In some preferred solutions, bearings are provided between the rotating shaft 12 and the fixed sleeve 13, so as to promote the compactness of the rotation of the rotating shaft 12 with respect to the fixed sleeve 13, reduce the friction between the fixed sleeve 13 and the rotating shaft 12, and promote the service life.

Furthermore, the position between the eccentric sleeve 14 and the fixed sleeve 13 is limited by a key 16, wherein the key 16 is a key in mechanical transmission and is mainly used for circumferential fixation between a shaft and a part on the shaft to transmit torque, so that relative rotation between the eccentric sleeve 14 and the fixed sleeve 13 is avoided. Specifically, a key groove is formed at a corresponding position between the eccentric hole of the eccentric sleeve 14 and the fixed sleeve 13, and the key 16 is inserted between the two key grooves, so that the eccentric sleeve 14 drives the fixed sleeve 13 to rotate.

Wherein, the key 16 is set to be 50 mm, and the key length is close to the axial length of the eccentric sleeve 14, which is beneficial to improving the stability of connection.

In some embodiments, the limiting assembly comprises a locking disc 15, the locking disc 15 is in a ring shape and is sleeved outside the upper transmission shaft, and the locking disc 15 is located outside the frame and is fixed with the eccentric sleeve 14 and the frame respectively, so that the connection stability of the eccentric sleeve 14 and the frame is enhanced. Specifically, the end face of the eccentric sleeve 14 is fixedly connected by screws around the inner ring of the locking disk 15, and the frame is fixedly connected by screws around the outer ring of the locking disk 15, so that when the eccentric sleeve 14 is rotated, the screws on the inner ring of the locking disk 15 can be detached, and the screws on the outer ring of the locking disk 15 can also be detached, so that the operation is simple and convenient, and the disassembly and assembly are easy.

Wherein, the outside of eccentric cover 14 is provided with annular bulge, and this annular bulge is located the one end of keeping away from the frame on the eccentric cover 14, and, the bellied external diameter of annular is greater than the internal diameter in last shaft hole to make eccentric cover 14 stretch into in the shaft hole, and annular bulge is located outside the last shaft hole, and offsets with the lateral wall of frame, and like this, annular bulge had both been favorable to being connected with locking dish 15, is convenient for again press from both sides annular bulge between frame and locking dish 15, strengthens the tight type of connection.

In this embodiment, this side wood split saw with adjustable axle is still including last drive, should go up the drive and be used for driving transmission shaft transmission, and drive the rotation of saw bit 11, moreover, go up drive and last saw bit 11 transmission connection respectively at the both ends of last transmission shaft to make and go up drive and the drive displacement down of last drive shaft of saw bit 11 homoenergetic, like this, when last transmission shaft displacement, go up the drive and displace simultaneously, be favorable to reducing drive transform structure, reduce the loss, promote work efficiency. In particular, the upper drive may be provided as a motor.

Wherein, be provided with conveying platform, delivery wheel 22 in the frame and carry pinch roller 17, conveying platform is used for bearing the weight of the square timber, and conveying wheel 22 and carry pinch roller 17 to be used for driving the square timber along conveying platform displacement, by the direction displacement of entrance point to exit end promptly, and in addition, conveying wheel 22 is located the coplanar with conveying platform, carries pinch roller 17 to pass through elevating system and sets up in conveying platform top to make the square timber carry between conveying wheel 22 and transport pinch roller 17. Under elevating system's effect, carry pinch roller 17 and can compress tightly the transport with the square timber, promoted the stability of carrying, and can be consistent with the cutting specification of last saw bit 11 with the position looks adaptation of last saw bit. Specifically, the lifting structure may be configured as an existing structure such as a hydraulic cylinder, a screw nut structure, or the like.

Of course, the upper shaft adjustable square wood slicing saw can adopt full-automatic multi-roller conveying, is simple to operate, uniform in speed, stable and smooth in conveying, high in wood processing precision, smooth in surface, free of secondary thicknessing processing, and capable of saving wood processing cost.

It should be noted that the terms "horizontal", "vertical", "up" and "down" are used when the upper-axis adjustable square lumber slicing saw is in the laying state as shown in fig. 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. The upper shaft adjustable square timber slicing saw is characterized by comprising a rack, an upper transmission shaft and a lower transmission shaft, wherein the upper transmission shaft and the lower transmission shaft are positioned on the rack, an upper saw blade (11) and a lower saw blade (21) for cutting square timber are oppositely arranged on the upper transmission shaft and the lower transmission shaft, and an upper shaft hole for fixing the upper transmission shaft is formed in the rack; the saw blade fixing device is characterized by further comprising an eccentric sleeve (14) which is rotatably arranged in the upper shaft hole and a limiting assembly which is used for limiting the eccentric sleeve (14) to rotate along the axis of the upper shaft hole, and the upper transmission shaft is fixed in the eccentric hole of the eccentric sleeve (14) and can drive the upper saw blade (11) to rotate along the axis of the eccentric hole.

2. The upper-axis adjustable square lumber splitting saw of claim 1, wherein the upper transmission shaft comprises a rotation shaft (12) in transmission connection with the upper saw blade (11) and a fixed sleeve (13) fixed in an eccentric hole of the eccentric sleeve (14), and the rotation shaft (12) is arranged in the fixed sleeve (13) in a penetrating way and rotates along the axis of the fixed sleeve (13).

3. The upper-axis adjustable square lumber splitting saw of claim 2, wherein the front wall panel (31) and the rear wall panel (32) of the frame are correspondingly provided with the upper axial holes, and the eccentric sleeve (14) is provided with two and respectively fixed in the two upper axial holes.

4. The upper-shaft adjustable square lumber splitting saw of claim 1, wherein the limiting component comprises a locking disc (15) sleeved outside the upper transmission shaft, and the eccentric sleeve (14) and the frame are fixed with the locking disc (15).

5. The upper-axis adjustable square lumber jigsaw according to claim 4, wherein the end of the eccentric sleeve (14) away from the frame is provided with an annular protrusion, which extends out of the upper axial hole and abuts against the outer side wall of the frame.

6. The upper-axis adjustable square lumber jigsaw according to claim 2, wherein the eccentric bushing (14) and the fixed bushing (13) are restrained by a key (16).

7. The upper-axis adjustable square lumber jigsaw of claim 6, wherein the key (16) is 50 mm long.

8. The upper-axis adjustable square lumber jigsaw according to claim 2, wherein a bearing is provided between the fixed sleeve (13) and the rotating shaft (12).

9. The upper-shaft adjustable square lumber splitting saw of claim 1, further comprising an upper drive for driving the upper transmission shaft to rotate, wherein the upper drive and the upper saw blade (11) are respectively connected to two ends of the upper transmission shaft in a transmission manner and can move along with the upper transmission shaft.

10. The upper-shaft adjustable square timber splitting saw as claimed in claim 1, wherein a conveying platform, a conveying wheel (22) for driving the square timber to move along the conveying platform and a conveying pinch roller (17) are further arranged on the machine frame, the conveying wheel (22) and the conveying platform are located on the same plane, and the conveying pinch roller (17) is arranged above the conveying platform through a lifting mechanism.

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