CN211164319U

CN211164319U - Integral lifting and pressing mechanism for horizontal sawing machine

Info

Publication number: CN211164319U
Application number: CN201921974991.8U
Authority: CN
Inventors: 纪书林
Original assignee: Qingdao Xinhuilai Machinery Manufacturing Co ltd
Current assignee: Qingdao Xinhuilai Machinery Manufacturing Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-04
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a wholly go up and down hold-down mechanism for horizontal sawing machine, including mount, movable support, linear drive mechanism, guiding mechanism and a plurality of pinch rolls, the mount is N shape frame construction, and its lower extreme both sides can link to each other with the frame of sawing machine is fixed. The movable support is positioned at the inner side of the fixed frame, the linear driving mechanism is arranged at the top of the fixed frame, and the movable end of the linear driving mechanism drives the movable support to integrally ascend or descend. The two guide mechanisms are symmetrically arranged outside two sides of the movable support, and the movable support vertically and linearly moves relative to the fixed frame through the guide mechanisms. The plurality of pressing rollers are sequentially arranged at intervals along the feeding direction of the horizontal sawing machine, each pressing roller is horizontally arranged, and two ends of each pressing roller are movably connected with two sides of the lower part of the movable support respectively. The utility model discloses it is rational in infrastructure, replace the manual work and press the plank, save labour laborsaving, degree of automation is high, saves the cost of labor, avoids appearing the situation of pressing from both sides the saw, improves production efficiency and security.

Description

Integral lifting and pressing mechanism for horizontal sawing machine

Technical Field

The utility model relates to a wood working machine technical field, concretely relates to a wholly go up and down hold-down mechanism for horizontal sawing machine.

Background

The horizontal sawing machine is used for dividing a wood board into two wood boards in the thickness direction of the wood board, the wood board is horizontally placed on the conveying belt to enter the saw blade, the saw blade is used for horizontally dividing the wood board, the wood board needs to be compressed on the surface of the conveying belt in the production process, the wood board is prevented from sliding on the conveying belt when the saw blade is used for dividing the wood board, the cut wood board is unqualified, and the dangerous condition is caused in the machining process. The existing production mode is that the wood board is pressed manually, the manual operation wastes time and labor, the labor intensity is high, potential safety hazards can exist due to fatigue, and the wood board is in the working environment for a long time to cause adverse effects on health. The compressing device which is also arranged on the advanced horizontal sawing machine compresses the upper surface of the wood board, and the existing compressing device has the defects of uneven overall stress, transverse motion along with the conveying of the wood board, saw clamping, saw blade damage and wood waste. Therefore, the prior art is in need of further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the prior art, the utility model aims to provide a whole lifting and pressing mechanism for horizontal sawing machine, which solves the problems that the manual pressing of the wood plate in the production process is time-consuming and labor-consuming, the automation degree is low, the production cost is high, and the uneven stress of the wood plate leads to the clamping of the saw.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the integral lifting and pressing mechanism for the horizontal sawing machine comprises a fixed frame, a movable support, a linear driving mechanism, a guide mechanism and a plurality of pressing rollers, wherein the fixed frame is of an N-shaped frame structure, and two sides of the lower end of the fixed frame can be fixedly connected with a rack of the sawing machine.

The movable support is positioned at the inner side of the fixed frame, the linear driving mechanism is arranged at the top of the fixed frame, and the movable end of the linear driving mechanism drives the movable support to integrally ascend or descend.

The two guide mechanisms are symmetrically arranged outside two sides of the movable support, and the movable support vertically and linearly moves relative to the fixed frame through the guide mechanisms.

The plurality of pressing rollers are sequentially arranged at intervals along the feeding direction of the horizontal sawing machine, each pressing roller is horizontally arranged, and two ends of each pressing roller are movably connected with two sides of the lower part of the movable support respectively.

Preferably, the fixing frame comprises a left side plate and a right side plate, the left side plate and the right side plate are vertically arranged in parallel relatively, and the upper ends of the left side plate and the right side plate are fixedly connected through a top plate.

And the outer side of the lower end of each side plate is respectively fixed with a mounting seat, and the fixing frame is connected with a rack bolt of the sawing machine through the two mounting seats.

Preferably, the linear driving mechanism comprises two cylinders, the two cylinders are symmetrically and fixedly installed at the top of the fixing frame, and the telescopic ends of the two cylinders are respectively hinged with the left side and the right side of the movable support.

Preferably, the movable support comprises a left vertical plate and a right vertical plate, the left vertical plate and the right vertical plate are vertically arranged in parallel relatively, at least two cross beams are arranged between the left vertical plate and the right vertical plate in parallel, and two ends of each cross beam are fixedly connected with the left vertical plate and the right vertical plate respectively.

Preferably, each guide mechanism comprises two spur racks arranged on the inner side wall of the fixed frame, and the two spur racks are vertically arranged in parallel and oppositely.

One side of each spur rack is respectively provided with two gears which are oppositely arranged at the upper part and the lower part, and each gear is arranged on the outer side wall of the movable bracket through a gear seat.

Preferably, the two gears above one side of the movable support are fixedly connected with the two corresponding gears above the other side of the movable support through a connecting shaft respectively.

Preferably, the compression roller is a circular roller with an equal cross section, two sides of the compression roller are respectively provided with a roller shaft coaxial with the compression roller, the outer side of each roller shaft is provided with a shaft sleeve, the shaft sleeves are positioned in the vertical guide grooves formed in the corresponding sides of the movable supports, and the shaft sleeves are in sliding fit with the inner walls of the vertical guide grooves.

And the part of each roll shaft extending out of the outer side of the movable support is provided with a bearing seat, and the top of each bearing seat is connected with a positioning plate on the outer side wall of the movable support through an adjusting screw rod.

The upper end of the adjusting screw rod penetrates out of the positioning plate and is provided with a locking bolt, and a spring is arranged on the adjusting screw rod and is positioned between the bearing seat and the positioning plate.

Preferably, the outer wall of each pressing roller is provided with a roller sleeve made of polyurethane material, and the surface of the roller sleeve is provided with a spiral groove.

By adopting the technical scheme, the utility model discloses a beneficial technological effect is: the utility model discloses rational in infrastructure, replace the manual work and press the plank, it is laborsaving to save labour, reduces intensity of labour, and degree of automation is high, saves the cost of labor, and in the use, the position that each pinch roller compressed tightly the plank is unchangeable for the position of saw blade, and the stability in use is good, and the plank atress is even, avoids appearing the situation of pressing from both sides the saw, guarantees that production goes on in succession, improves the security of production efficiency and operation.

Drawings

Fig. 1 is a schematic view of the structural principle of the integral lifting and pressing mechanism for the horizontal sawing machine of the present invention.

Fig. 2 is a schematic sectional view of the whole lifting and pressing mechanism for the horizontal sawing machine of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

with reference to fig. 1 and 2, an integral lifting and pressing mechanism for a horizontal sawing machine is located above a conveying belt of the horizontal sawing machine, a saw blade saws a wood board located on the conveying belt in the conveying process of the wood board on the conveying belt, and the pressing mechanism provides uniform vertical pressure for the wood board. The integral lifting and pressing mechanism for the horizontal sawing machine comprises a fixed frame 1, a movable support 2, a linear driving mechanism 3, a guide mechanism 4 and three pressing rollers 5, wherein the fixed frame 1 is of an N-shaped frame structure, and two sides of the lower end of the fixed frame can be fixedly connected with a rack of the sawing machine. The fixing frame 1 comprises a left side plate 11 and a right side plate 12, the left side plate 11 and the right side plate 12 are vertically arranged in parallel relatively, and the upper ends of the left side plate 11 and the right side plate 12 are fixedly connected through a top plate 13. The outer sides of the lower ends of the left side plate 11 and the right side plate 12 are respectively and fixedly provided with a mounting seat 14, and the fixed frame 1 is connected with a frame bolt of the sawing machine through the two mounting seats 14.

The movable support 2 is located the inboard of mount 1, and movable support 2 includes left riser 21 and right riser 22, and left riser 21 and right riser 22 symmetrical arrangement have the left and right sides in mount 1, and left riser 21 and the vertical relative parallel arrangement of right riser 22, parallel arrangement have two crossbeams 23 between left riser 21 and the right riser 22, and the both ends of each crossbeam 23 are fixed mutually with left riser 21 and right riser 22 respectively and are linked into a rigid structure frame. The linear driving mechanism 3 is arranged at the top of the fixed frame 1, and the movable end of the linear driving mechanism 3 is connected with the upper end of the movable support 2 and can drive the movable support 2 to ascend or descend integrally.

The linear driving mechanism 3 comprises two cylinders 31, the two cylinders 31 are symmetrically and fixedly installed at the top of the fixed frame 1, and the telescopic ends of the two cylinders 31 are vertically downward and hinged with the left side and the right side of the movable support 2 respectively. The photoelectric switches are respectively arranged on two sides of the conveying belt, when a wood board enters the position right below the lifting and pressing mechanism along with the conveying belt, the photoelectric switches send signals to an electric control system of the horizontal sawing machine, the electric control system sends instructions to the air cylinder 31, and the telescopic end of the air cylinder 31 drives the movable support 2 to move downwards after receiving the instructions.

The two guide mechanisms 4 are symmetrically arranged outside two sides of the movable support 2 and are positioned on the inner side of the fixed frame 1, and the movable support 2 vertically and linearly moves relative to the fixed frame 1 through the guide mechanisms 4 on two sides of the movable support. The guide mechanism 4 comprises two spur racks 41 arranged on the inner side wall of the fixed frame 1, the two spur racks 41 are vertically arranged in parallel and oppositely, and tooth grooves of the two spur racks 41 are positioned on one opposite side. One side of each straight rack 41 is provided with two gears 42 which are oppositely arranged at the upper part and the lower part, each gear 42 is arranged on the outer side wall of the movable bracket 2 through a gear seat 43, the four gears 42 at the same side are positioned between the two straight racks 41 at the side, and each gear 42 is meshed with the adjacent straight rack 41.

Two gears 42 above one side of the movable support 2 are respectively fixedly connected with two corresponding gears 42 above the other side of the movable support through a connecting shaft 44, and when the air cylinder 31 drives the movable support 2 to move vertically, the connecting shaft 44 can ensure that the gears 42 at two sides of the movable support 2 rotate synchronously, so that the transverse movement of the movable support 2 in the movement process is avoided, and the movement stability of the movable support 2 is improved.

The three pressing rollers 5 are sequentially arranged at the bottom of the movable support 2 at intervals along the feeding direction of the horizontal sawing machine, each pressing roller 5 is horizontally arranged, and two ends of each pressing roller are movably connected with two sides of the lower part of the movable support 2 respectively. The compression rollers 5 are circular rollers with equal sections, a roller sleeve made of polyurethane materials is arranged on the outer wall of each compression roller 5, and a spiral groove is formed in the surface of the roller sleeve. The two sides of the pressing roller 5 are respectively provided with a roller shaft 51 which is coaxial with the pressing roller, the outer side of each roller shaft 51 is provided with a shaft sleeve, the shaft sleeves are positioned in the vertical guide grooves formed in the corresponding sides of the movable supports 2, and the shaft sleeves are in sliding fit with the inner walls of the vertical guide grooves.

The part of each roller shaft 51 extending out of the movable bracket 2 is provided with a bearing seat 55, and the top of each bearing seat 55 is connected with a positioning plate 53 on the outer side wall of the movable bracket 2 through an adjusting screw 52. The upper end of the adjusting screw 52 penetrates out of the positioning plate 53 and is provided with a locking bolt, a spring 54 is sleeved outside the adjusting screw 52, and the spring 54 is positioned between the bearing seat 55 and the positioning plate 53. In the working process, the pressing rollers 5 move downwards along with the movable support 2, the three pressing rollers 5 uniformly press the upper surface of the wood plate moving on the conveying belt, the pressing rollers 5 are subjected to the reaction force of the wood plate, when the pressing force is too large, the pressing rollers 5 can move upwards relative to the movable support 2, and the pressing force of the pressing rollers 5 on the wood plate is adjusted through the springs 54.

The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. The integral lifting and pressing mechanism for the horizontal sawing machine is characterized by comprising a fixed frame, a movable support, a linear driving mechanism, a guide mechanism and a plurality of pressing rollers, wherein the fixed frame is of an N-shaped frame structure, and two sides of the lower end of the fixed frame can be fixedly connected with a rack of the sawing machine;

the movable support is positioned at the inner side of the fixed frame, the linear driving mechanism is arranged at the top of the fixed frame, and the movable end of the linear driving mechanism drives the movable support to integrally ascend or descend;

the two guide mechanisms are symmetrically arranged outside the two sides of the movable support, and the movable support vertically and linearly moves relative to the fixed frame through the guide mechanisms;

2. The integral lifting and pressing mechanism for the horizontal sawing machine as claimed in claim 1, wherein the fixing frame comprises a left side plate and a right side plate, the left side plate and the right side plate are vertically arranged in parallel relatively, and the upper ends of the left side plate and the right side plate are fixedly connected through a top plate;

3. The integral lifting and pressing mechanism for the horizontal sawing machine as claimed in claim 1, wherein the linear driving mechanism comprises two cylinders, the two cylinders are symmetrically and fixedly installed on the top of the fixed frame, and the telescopic ends of the two cylinders are respectively hinged with the left side and the right side of the movable support.

4. The integral lifting and pressing mechanism for the horizontal sawing machine according to claim 1, wherein the movable support comprises a left vertical plate and a right vertical plate, the left vertical plate and the right vertical plate are vertically arranged in parallel, at least two cross beams are arranged between the left vertical plate and the right vertical plate in parallel, and two ends of each cross beam are respectively fixedly connected with the left vertical plate and the right vertical plate.

5. The integral lifting and pressing mechanism for the horizontal sawing machine as claimed in claim 1, wherein each guide mechanism comprises two spur racks arranged on the inner side wall of the fixed frame, and the two spur racks are vertically arranged in parallel and oppositely;

6. The integral lifting and pressing mechanism for the horizontal sawing machine as claimed in claim 5, wherein the two gears at one side of the movable support above are respectively and fixedly connected with the two corresponding gears at the other side above through a connecting shaft.

7. The integral lifting and pressing mechanism for the horizontal sawing machine is characterized in that the pressing roller is a round roller with a uniform cross section, a roller shaft coaxial with the pressing roller is arranged on each of two sides of the pressing roller, a shaft sleeve is arranged on the outer side of each roller shaft, the shaft sleeves are positioned in vertical guide grooves formed in corresponding sides of the movable support, and the shaft sleeves are in sliding fit with the inner walls of the vertical guide grooves;

a bearing seat is arranged at the part of each roll shaft, which extends out of the outer side of the movable support, and the top of each bearing seat is connected with a positioning plate on the outer side wall of the movable support through an adjusting screw rod;

8. The integral lifting and pressing mechanism for the horizontal sawing machine as claimed in claim 1, wherein a roller sleeve made of polyurethane material is provided on the outer wall of each pressing roller, and a spiral groove is provided on the surface of the roller sleeve.