CN216263863U

CN216263863U - Numerical control wire saw

Info

Publication number: CN216263863U
Application number: CN202123057901.9U
Authority: CN
Inventors: 郭洲
Original assignee: Gaomi Sanhua Cnc Machinery Manufacturing Co ltd
Current assignee: Gaomi Sanhua Cnc Machinery Manufacturing Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-12
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a numerical control wire saw machine, which comprises a rack, a workbench horizontally fixed on the rack, at least one group of wire saw mechanisms arranged on the rack and a tension adjusting mechanism used for adjusting the tension degree of a saw blade, wherein each wire saw mechanism comprises a wire guide wheel fixing frame longitudinally arranged, a group of wire guide wheels arranged on the wire guide wheel fixing frame and a ring-shaped saw blade arranged on the wire guide wheels; the tension adjusting mechanism comprises a lifting motor which is connected to the side wall of the frame in a sliding manner and a tension wheel which is arranged on an output shaft of the lifting motor, and the tension wheel and the wire guide wheel are positioned on the same plane and are in transmission connection with the annular saw blade; the lifting motor realizes the automatic tensioning of the annular saw blade through driving the tensioning wheel under the action of the self-gravity force, and the annular saw blade of the working position is perpendicular to the workbench. The numerical control jigsaw machine is simple in structure, convenient to operate, capable of achieving automatic adjustment of the tension degree of saw blades and high in working efficiency.

Description

Numerical control wire saw

Technical Field

The utility model relates to the technical field of numerical control mechanical equipment used in the material processing and cutting industry, in particular to a numerical control wire saw.

Background

With the increasing demand of the material processing industry for automatic processing, related numerical control mechanical equipment begins to replace the main processing position, wherein the numerical control wire saw is used as the main processing machine for cutting and is also used in production in a large amount. However, the processing of soft materials by the method can not meet the production standard of the market all the time.

At present, the common numerical control wire saw machine on the market is usually based on the traditional processing thought and mode, and has no two aspects on the theoretical basis and manual processing, and the complicated control mode is introduced to cause that the numerical control wire saw machine is difficult to understand and accept by related operators, and the operators can go on duty only through system training, thereby consuming training time and having higher cost. And, traditional numerical control scroll saw's rate of tension is adjusted either through manual work, or set up the structure comparatively complicated and need with the automatically controlled partial complex saw blade tensioning adjustment mechanism, dispose corresponding tension detector, the during operation feeds back to the controller through the testing result with tension detector to the saw blade tensile force, utilizes the controller to act on structures such as take-up pulley to adjust the tensile force of saw blade. The tension adjusting structure is complex and high in cost.

Therefore, the prior art has yet to be developed.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the utility model provides a novel numerical control jigsaw, and the tensioning adjusting mechanism of the numerical control jigsaw has the advantages of simple structure and convenient operation, and can realize automatic tensioning adjustment of saw blades.

The utility model provides the following technical scheme:

a numerical control wire saw machine comprises a frame, a workbench horizontally fixed on the frame, at least one group of wire saw mechanisms arranged on the frame and a tension adjusting mechanism for adjusting the tension degree of a saw blade, wherein each wire saw mechanism comprises a wire guide wheel fixing frame longitudinally arranged, a group of wire guide wheels arranged on the wire guide wheel fixing frame and an annular saw blade arranged on the wire guide wheels; the tension adjusting mechanism is a lifting motor which is connected to the side wall of the frame in a sliding manner and a tension wheel which is arranged on an output shaft of the lifting motor, and the tension wheel and the wire guide wheel are positioned on the same plane and are in transmission connection with the annular saw blade; the lifting motor realizes the automatic tensioning of the annular saw blade through driving the tensioning wheel under the action of the self-gravity force, and the annular saw blade of the working position is perpendicular to the workbench.

Preferably, in the numerical control jigsaw, the fixing seat of the lifting motor is symmetrically provided with a plurality of first sliding blocks, and the side face of the machine frame is provided with a first sliding rail connected with the first sliding blocks in a sliding manner.

Preferably, the numerical control jigsaw further comprises a workpiece clamping mechanism for clamping the side edge of the workpiece, the workpiece clamping mechanism is arranged on the workbench, and the workpiece clamping mechanism comprises a clamp base which is longitudinally arranged, an air cylinder which is fixed on the clamp base and a pair of clamping plates for clamping the workpiece; the clamping plates comprise fixed clamping plates which are positioned at the outer sides and fixed on the clamp base and sliding clamping plates which are positioned at the inner sides and connected with the telescopic rods of the air cylinders; and a second sliding rail is arranged on the clamp base, and a second sliding block matched with the second sliding rail is arranged at the bottom of the sliding clamping plate.

Preferably, in the numerical control jigsaw, the number of the workpiece clamping mechanisms is one, and the workpiece clamping mechanisms are used for clamping the side edges of the workpiece; or the workpiece clamping mechanisms are symmetrically arranged and are used for fixing the opposite side edges of the workpiece respectively.

Preferably, in the numerical control jigsaw, the workbench includes a horizontal platform and a processing platform slidably connected to the horizontal platform, the horizontal platform is provided with an X-axis slide rail, and the processing platform horizontally slides along the X-axis slide rail.

A Y-axis slide rail extending in the Y direction is arranged on the processing platform, and the Y-axis slide rail is provided with

The sliding connection has the anchor clamps fixed plate that is used for installing work piece fixture, and the anchor clamps fixed plate slides along Y axle slide rail.

Preferably, the numerical control jigsaw further comprises a dust removing mechanism arranged below the lower wire guide wheel below the processing position, the dust removing mechanism comprises a dust cover, a dust suction pipe connected below the dust cover, and a fan arranged in a dust suction pipe cavity, the dust cover extends upwards to cover the lower wire guide wheel below the cutting processing position, and at least the outer side of the lower portion of the wire guide wheel is covered.

Preferably, in the numerical control jigsaw, the guide wire wheel and the tension wheel are rubber wheels.

Preferably, in the numerical control jigsaw, the annular saw blade is made of a diamond wire.

Preferably, the wire saw mechanism is a plurality of wire saw mechanisms which are symmetrically arranged.

Preferably, in the numerical control jigsaw machine, the jigsaw mechanism at least comprises an upper guide wire wheel and a lower guide wire wheel which are positioned at a working position, and the tensioning wheel is arranged at the outer side of the lower guide wire wheel and used for automatically tensioning and adjusting the annular saw blade.

The numerical control scroll saw provided by the utility model has the following beneficial effects:

1. the numerical control jigsaw machine provided by the utility model is simple in structure and convenient to use, and the rubber wheels and the diamond sand wires are adopted, so that the effect of cutting soft materials is better, the range of the processing materials of the machine is expanded, and the machine is suitable for materials such as corrugated paper, plastics, graphite, jade and the like, wherein the machine is more suitable for production and processing of products such as cat scratch boards and the like, and basic equipment support is provided for such emerging industries.

2. Because the tensioning adjusting mechanism automatically controls the tensioning of the tensioning wheel to the saw blade by the dead weight of the lifting motor, the structure of the tensioning adjusting mechanism is simplified, components such as a sensor and the like are omitted, and the production cost of the jigsaw machine is reduced. The workpiece clamping mechanism adopting the side clamp not only has simpler clamping operation, but also improves the fixing stability of the workpiece.

3. As novel material cutting equipment, the numerical control jigsaw machine has the advantages of excellent effect of cutting soft materials, high working efficiency and simple operation, is beneficial to improving the production capacity of the material processing industry and realizes the modernization of production; because the dust absorption effect is good, a more friendly working environment is provided for the working personnel.

Drawings

FIG. 1 is a schematic side view of the numerically controlled jigsaw of the present invention;

FIG. 2 is a schematic view of the tension adjustment mechanism;

FIG. 3 is a schematic view of the overall structure of the workpiece holding mechanism;

FIG. 4 is a schematic top view of the numerically controlled jigsaw;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is a schematic side view of the dust removing mechanism;

fig. 7 is a schematic top view of the dust removing mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "vertical," "horizontal," "left," "right," "up," "down," "inner," "outer," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1 and 4, the present embodiment provides a numerical control wire saw machine including a frame, a table 1 horizontally fixed on the frame, at least one set of wire saw mechanisms provided on the frame, and a tension adjusting mechanism for adjusting the tension of a saw blade. The workbench is a numerical control workbench.

As shown in fig. 1, the jigsaw mechanism includes a wire guide wheel holder 2 disposed in a longitudinal direction, a set of wire guide wheels 31 disposed on the wire guide wheel holder, and a ring-shaped saw blade 32 mounted on the wire guide wheels.

As shown in fig. 1, 2 and 5, the tension adjusting mechanism comprises a lifting motor 41 slidably connected to the side wall of the frame and a tension wheel 42 disposed on the output shaft of the lifting motor, the tension wheel 42 is located on the same plane as the wire guide wheel and is in transmission connection with the circular saw blade. When the automatic tensioning device works, the lifting motor 41 drives the connected tensioning wheel to tightly press the annular saw blade under the action of the self-gravity force, so that the tensioning adjustment of the annular saw blade is automatically realized.

Optionally, the fixing seat of the lifting motor 41 is symmetrically provided with a plurality of first sliding blocks 44, and the side surface of the rack is provided with a first sliding rail 43 slidably connected with the first sliding blocks. In this embodiment, four first sliding blocks 44 (two sets of first sliding blocks) are symmetrically disposed on the fixing base of the lifting motor 41, and two first sliding rails 43 longitudinally disposed and slidably connected with the two sets of first sliding blocks are disposed on the side surface of the rack. In other embodiments, the number of the first sliding blocks and the first sliding rails can be reasonably adjusted.

The tensioning adjusting mechanism is simple in structure and convenient to use, the tensioning adjusting mechanism does not need to be additionally controlled, and the self gravity (as a counterweight structure) of the motor serving as the driving mechanism is utilized to automatically tension the annular saw blade. Meanwhile, the lifting motor is used as a driving mechanism to drive the annular saw blade to move at a high speed through the tension wheel, so that the normal cutting function of the annular saw blade is realized.

In this embodiment, the circular saw blade 32 in the working position is perpendicular to the horizontally disposed table 1. Thus, the numerical controlled jigsaw is a vertical type structure.

As shown in fig. 1, the jigsaw mechanism includes at least an upper guide roller 31a and a lower guide roller 31b located at an operating position, and a tension roller 42 is provided outside the lower guide roller for automatically adjusting tension of the circular saw blade.

In this embodiment, in the single wire saw mechanism, 3 wire guide rollers (including the upper wire guide roller 31a and the lower wire guide roller 31b) at four corners of the quadrangle and 1 tension roller are provided outside the lower wire guide roller 31 b.

In other embodiments, besides the upper wire guiding wheel 31a and the lower wire guiding wheel 31b, one or more other wire guiding wheels may be added at corresponding positions according to actual needs, and such modified technical solutions are also within the protection scope of the present invention.

Preferably, the wire saw mechanism is a plurality of wire saw mechanisms which are symmetrically arranged. In this embodiment, the two wire saw mechanisms are symmetrically arranged, so that two cutting work positions are distributed in the middle of the device.

In this embodiment, the guide wheel and the tension wheel are rubber wheels, and the annular saw blade is made of a diamond wire. The wire saw is arranged to have better soft material cutting effect, enlarge the range of equipment processing materials, be applicable to materials such as corrugated paper, plastics, graphite and jade, effectively prolong the service life of a wire guide wheel, a tension wheel and a silk thread, and reduce the maintenance cost.

In order to improve the clamping stability of the jig saw machine to the workpiece and avoid the problem that the workpiece is easy to loosen due to the imperfect clamping mode and the processing safety and the product quality are seriously influenced, the following structure is improved:

as shown in fig. 3 and 4, the numerical control jigsaw is provided with a workpiece clamping mechanism 5 for clamping the side edge of a workpiece, the workpiece clamping mechanism is arranged on a workbench 1, and the workpiece clamping mechanism comprises a clamp base 51 (vertical to the workbench) which is longitudinally arranged, an air cylinder 52 fixed on the clamp base and a pair of clamping plates for clamping the workpiece 8; the clamp plates include a fixed clamp plate 54 fixed to the base of the clamp at the outside and a sliding clamp plate 53 connected to the telescopic rod of the cylinder at the inside. The clamp base is provided with a second slide rail 55, and the bottom of the sliding clamp plate is provided with a second slide block matched with the second slide rail 55. Under the driving of the cylinder 52, the sliding clamp plate 53 horizontally slides to be gathered with the fixed clamp plate to clamp the workpiece, and is separated from the fixed clamp plate to release the fixation of the workpiece.

Preferably, the thickness of the clamping plate is not less than that of the workpiece, so that the contact area of the clamping plate and the workpiece is increased, and the clamping stability is improved.

In this embodiment, the second slide rails 55 are two and respectively extend along two long sides of the fixture base 51, and in other embodiments, the number of the second slide rails and the number of the second slide blocks can be changed.

In this embodiment, the number of the workpiece clamping mechanisms 5 is one, and the workpiece clamping mechanisms are used for fixing one side of a workpiece, so that the other side of the workpiece can be flexibly processed. In other embodiments, the two workpiece clamping mechanisms 5 may be symmetrically arranged and respectively fixed on two sides of the workpiece 8; the structure is suitable for heavier workpieces, and can further improve the clamping stability of the workpieces.

As shown in fig. 4, the workbench 1 is a numerical control workbench, and the main body thereof includes a horizontal platform 10 and a processing platform 11 slidably connected to the horizontal platform, the horizontal platform is provided with an X-axis slide rail 12, and the processing platform 11 horizontally slides along the X-axis slide rail.

The machining platform 11 is provided with a Y-axis slide rail 13 extending in the Y direction, the Y-axis slide rail 13 is connected with a fixture fixing plate 7 used for installing the workpiece clamping mechanism 5 in a sliding mode, and the fixture fixing plate 7 slides along the Y-axis slide rail. Preferably, the bottom of the clamping fixing plate is further provided with a horizontal support plate for supporting the workpiece, so as to prevent the workpiece from shifting up and down (not shown in the figure).

From the perspective of environmental protection, the existing numerical control wire saw easily causes a large amount of dust, not only causes adverse effects on the health of workers, but also causes certain air pollution. Therefore, the following improvements can be made on the basis of the foregoing:

as shown in fig. 6 and 7, the numerical control jigsaw further includes a dust removing mechanism 6 disposed below the lower wire guide wheel 31b below the processing station J, the dust removing mechanism includes a dust cover 61, a dust suction pipe connected below the dust cover, and a fan 62 disposed in a dust suction pipe cavity, and the dust cover 61 extends upward to cover the lower wire guide wheel below the cutting processing station. The lower part of the dust collection pipe can be connected with a connected dust collection box for collecting dust and broken powder generated in the process of absorbing and processing by the dust removal mechanism.

In this embodiment, the dust cover 61 preferably covers at least the outer side of the lower portion of the wire guide wheel, so that the dust-proof effect of the dust-removing mechanism is improved, the size of the dust cover is effectively reduced, and the production cost of the device is reduced. In other embodiments, in order to achieve a better dust suction effect, the specification of the dust cover can be enlarged to cover the lower wire guide wheel 31b as much as possible, so that the effective dust suction area is enlarged.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.

It should be understood that the technical solutions and concepts of the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.

Claims

1. A numerical control wire saw machine is characterized by comprising a rack, a workbench (1) horizontally fixed on the rack, at least one group of wire saw mechanisms arranged on the rack and a tension adjusting mechanism used for adjusting the tension degree of a saw blade, wherein each wire saw mechanism comprises a wire guide wheel fixing frame (2) longitudinally arranged, a group of wire guide wheels (31) arranged on the wire guide wheel fixing frame and a ring-shaped saw blade (32) arranged on the wire guide wheels; the tensioning adjusting mechanism comprises a lifting motor (41) which is connected to the side wall of the machine frame in a sliding mode and a tensioning wheel (42) which is arranged on an output shaft of the lifting motor, and the tensioning wheel and the wire guide wheel are located on the same plane and are in transmission connection with the annular saw blade; the lifting motor realizes the automatic tensioning of the annular saw blade by driving the tensioning wheel under the action of the self-gravity force, and the annular saw blade (32) of the working position is perpendicular to the workbench (1).

2. The numerical control jigsaw machine according to claim 1, wherein the fixed seat of the lifting motor (41) is symmetrically provided with a plurality of first sliding blocks (44), and the side surface of the machine frame is provided with a first sliding rail (43) connected with the first sliding blocks in a sliding manner.

3. The numerical control jigsaw machine according to claim 1, further comprising a workpiece holding mechanism (5) for holding a side edge of a workpiece, the workpiece holding mechanism being provided on the table (1), the workpiece holding mechanism being composed of a clamp base (51) provided in a longitudinal direction, a cylinder (52) fixed to the clamp base, and a pair of clamp plates for holding the workpiece; the clamping plates comprise a fixed clamping plate (54) which is positioned at the outer side and fixed on the clamp base and a sliding clamping plate (53) which is positioned at the inner side and connected with the telescopic rod of the air cylinder; and a second sliding rail (55) is arranged on the clamp base, and a second sliding block matched with the second sliding rail is arranged at the bottom of the sliding clamping plate.

4. The numerically controlled jigsaw machine according to claim 3, characterised in that the number of said work holding means (5) is one; or the workpiece clamping mechanisms (5) are symmetrically arranged and are used for fixing the opposite side edges of the workpiece (8) respectively.

5. The numerical control jigsaw machine according to claim 3 or 4, characterised in that the table (1) comprises a horizontal platform (10) and a machining platform (11) slidably connected to the horizontal platform, the horizontal platform is provided with X-axis slide rails (12), and the machining platform (11) slides horizontally along the X-axis slide rails;

the Y-axis slide rail (13) extending in the Y direction is arranged on the machining platform (11), the Y-axis slide rail (13) is connected with a clamp fixing plate (7) used for installing the workpiece clamping mechanism (5) in a sliding mode, and the clamp fixing plate (7) slides along the Y-axis slide rail.

6. The numerical control jigsaw machine according to claim 5, further comprising a dust removing mechanism (6) disposed below the lower wire guide wheel below the machining position (J), wherein the dust removing mechanism comprises a dust cover (61), a dust suction pipe connected below the dust cover, and a fan (62) disposed in a dust suction pipe cavity, the dust cover (61) extends upward to cover the lower wire guide wheel below the machining position (J), and at least covers the outer side of the lower portion of the wire guide wheel.

7. The numerically controlled jigsaw according to any of the claims 1 to 4, wherein the ring saw blade (32) is made of diamond wire.

8. The digitally controlled jigsaw of claim 7, wherein the guide wire wheel and tension wheel are rubber wheels.

9. The digitally controlled wire saw machine according to any one of claims 1 to 4 wherein said wire saw mechanism is plural and symmetrically disposed.

10. Numerical control jigsaw according to claim 5, characterised in that said jigsaw mechanism comprises at least an upper guide wheel (31a) and a lower guide wheel (31b) in the working position, the tensioning wheel (42) being arranged outside the lower guide wheel.