CN220278452U

CN220278452U - Self-adaptive hydraulic speed-regulating feeding device for metal band saw

Info

Publication number: CN220278452U
Application number: CN202321525385.4U
Authority: CN
Inventors: 徐荣义
Original assignee: Nanjing Xinye Machinery International Co ltd
Current assignee: Nanjing Xinye Machinery International Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-01-02
Anticipated expiration: 2033-06-15

Abstract

The utility model provides a self-adaptive hydraulic speed regulation feeding device of a metal band saw, which comprises a base, wherein a horizontal base is fixedly arranged at the top of the base, a saw frame part is arranged at the top of the horizontal base, a saw blade is assembled on the saw frame part, one end of the saw frame part is connected with the horizontal base through a rotating shaft, the saw frame part rotates around the rotating shaft, a hydraulic damper is movably arranged on one side of the saw frame part, the lower end of the hydraulic damper is movably connected with the horizontal base, and the speed of the saw frame part driving the saw blade to feed a workpiece is in direct proportion to the moving speed of the hydraulic damper. The utility model utilizes the self-adaptive hydraulic speed regulating device to control the feeding speed, can achieve the optimal cutting efficiency while ensuring the stable cutting process, does not need to manually adjust and set the cutting feeding speed, simplifies the operation process and reduces the labor intensity.

Description

Self-adaptive hydraulic speed-regulating feeding device for metal band saw

Technical Field

The utility model relates to the technical field of metal band saws, in particular to a self-adaptive hydraulic speed regulation feeding device of a metal band saw.

Background

The metal band sawing machine is safe and environment-friendly in the cutting process, does not generate high temperature and high heat in use, does not have spark and scrap iron splashing at a high speed, and has higher cutting efficiency, so that the metal band sawing machine is widely applied to the machining manufacturing industry and is most commonly used as a cutting and blanking machine for bar stocks. When the requirements on the dimensional accuracy and the surface quality are not high, the method can also be applied as final cutting process equipment.

The small and medium-sized metal band sawing machine is generally simple in structure, adopts an asynchronous or direct current motor as a power source, drives a saw belt wheel to drive a saw blade to cut, adopts manual feeding or gravity automatic feeding, and cannot adjust the feeding speed or adopts means such as a tension spring to roughly adjust the feeding speed;

the prior small and medium-sized metal band sawing machines are mostly driven by single-phase asynchronous motors, are driven by multi-stage belt pulleys, are driven by worm gears or gears, take annular endless band saw blades as sawing tools, and wind on two sawing wheels to do unidirectional continuous linear motion to saw workpieces;

when sawing, the workpiece is held in the clamping device, the saw blade arranged on the frame moves around two saw wheels, and the frame makes up-and-down linear or rotary movement to enable the saw blade to approach and pass through the workpiece to cut. When cutting and feeding, the machine frame is manually controlled to feed, or the machine frame is gravity fed, so that the feeding process is unstable and uncontrollable, and the problems of low cutting efficiency, poor cutting surface quality, clamping of a saw blade and fracture of the saw blade are often caused. The automatic control of the cutting feeding process is realized, the cutting process is stable and reliable, the cutting efficiency and the cutting surface quality are improved, and the service life of the saw blade is prolonged.

In summary, there is a need for a feeding device that can smoothly feed a cutting operation.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a self-adaptive hydraulic speed regulation feeding device for a metal band saw, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a metal band saw self-adaptation hydraulic pressure speed governing feeding device, includes the base, the top fixed mounting of base has the horizontal frame, the saw frame part is installed at the top of horizontal frame, be equipped with the saw blade on the saw frame part, the one end of saw frame part is connected with the horizontal frame through the rotation axis, the saw frame part is rotatory around the rotation axis, one side movable mounting of saw frame part has hydraulic damper, hydraulic damper lower extreme swing joint is on the horizontal frame, the saw frame part drives the saw blade to the speed that the work piece fed and hydraulic damper's removal speed is directly proportional.

Further, the hydraulic damper comprises a cylinder body, a piston rod, a rod end joint bearing, a piston, an electric control valve, an external pipeline, an upper cavity, a lower cavity and a cylinder body mounting hole, wherein the piston is arranged in the cylinder body, the space in the cylinder is divided into the upper cavity and the lower cavity by the piston, hydraulic oil is filled in the upper cavity and the lower cavity, the upper cavity and the lower cavity are connected through the external pipeline, the electric control valve is embedded in the external pipeline, the piston is connected with the piston rod, and the rod end joint bearing and the cylinder body mounting hole are arranged at the top and the bottom of the piston rod.

Further, the saw blade surrounds and is installed on the saw band wheel inside the saw frame part, the saw band wheel is connected with the rotation axis in a mounting mode, the back of the saw blade is provided with a saw blade supporting part, and the saw blade supporting part is provided with a pressure sensor.

Further, the base internally mounted has the controller, controller and pressure sensor, electric control valve electric connection between controller and pressure sensor, the electric control valve, and the flow of outside pipeline is controlled to the electric control valve, and the removal speed of piston rod controls saw blade feed rate.

Further, a contact finger screw is arranged on one side of the saw frame component, and a linkage switch component is arranged on one side of the horizontal base.

The utility model provides a self-adaptive hydraulic speed regulation feeding device for a metal band saw. Compared with the prior art, the method has the following beneficial effects:

the self-adaptive hydraulic speed regulating device is used for controlling the feeding speed, so that the optimal cutting efficiency can be achieved while the stable cutting process is ensured, the cutting feeding speed does not need to be manually adjusted and set, the operation process is simplified, and the labor intensity is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic view of the overall structure of the feeding device of the present utility model;

FIG. 2 shows a schematic view of the structure of the back view of the present utility model;

FIG. 3 is a schematic view showing the constitution of the hydraulic damper member of the present utility model;

the figure shows: 1. a base; 2. a horizontal stand; 3. a saw frame component; 31. a saw blade support member; 4. a rotation shaft; 5. a hydraulic damper component; 51. a cylinder; 52. a piston rod; 53. a knuckle bearing; 54. a piston; 55. an electric control valve; 56. external piping, 57; an upper cavity; 58. a lower cavity; 59. a cylinder mounting hole; 6. saw blade; 7. a pressure sensor; 8. a controller; 9. a chain switch part; 10. and a contact finger screw.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

In order to solve the technical problems in the background technology, the self-adaptive hydraulic speed regulation feeding device of the metal band saw is provided as follows:

the utility model provides a self-adaptive hydraulic speed regulation feeding device for a metal band saw, which is shown in the drawings and is shown in the drawings, and comprises a base 1, wherein a horizontal base 2 is fixedly arranged at the top of the base 1, a saw frame part 3 is arranged at the top of the horizontal base 2, a saw blade 6 is assembled on the saw frame part 3, one end of the saw frame part 3 is connected with the horizontal base 2 through a rotating shaft 4, the saw frame part 3 rotates around the rotating shaft 4, a hydraulic damper 5 is movably arranged at one side of the saw frame part 3, the lower end of the hydraulic damper 5 is movably connected with the horizontal base 2, and the speed of the saw frame part 3 driving the saw blade 6 to feed a workpiece is in direct proportion to the moving speed of the hydraulic damper 5.

The moving speed of the piston rod 52 of the hydraulic damper 5 is controlled by an electric regulating valve 55, a controller 8 is arranged in the base 1, a pressure sensor 7 is arranged on the saw blade supporting part 31, and the controller 8 controls the electric regulating valve 55 to work according to the measured value of the pressure sensor 7, so that the feeding speed is adaptively regulated according to the cutting pressure of the saw blade 6.

Example two

As shown in fig. 3, on the basis of the above embodiment, the present embodiment further gives the following:

in this embodiment, the hydraulic damper 5 includes a cylinder 51, a piston rod 52, a rod end joint bearing 53, a piston 54, an electric control valve 55, an external pipe 56, an upper cavity 57, a lower cavity 58 and a cylinder mounting hole 59, the piston 54 is installed in the cylinder 51, the piston 54 surrounds the upper cavity 57 and the lower cavity 58 in the cylinder space, the upper cavity 57 and the lower cavity 58 are filled with hydraulic oil, the two cavities are connected through the external pipe 56, the electric control valve 55 is embedded in the external pipe 56, the piston 54 is connected with the piston rod 52, the rod end joint bearing 53 is fixedly connected to the top of the piston rod 52, when the saw blade 6 feeds a workpiece, the saw frame member 3 drives the piston rod 52 to move, the hydraulic oil in the upper cavity 57 and the lower cavity 58 flows through the external pipe 56, the moving speed of the hydraulic oil is controlled by the electric control valve 55, the electric control valve 55 is automatically controlled by the controller 8 according to the cutting pressure, and thus the automatic adjustment of the feeding speed is realized.

Example III

As shown in fig. 1 to 3, on the basis of the above embodiment, the present embodiment further provides the following:

the saw frame part 3 is provided with the touch finger screw 10 on one side, and the horizontal frame 2 is provided with the interlocking switch part 9 on one side, and the interlocking switch 9 control power break-make, and after saw blade 6 cuts and passes through the work piece completely, touch finger screw 10 makes interlocking switch 10 action, cuts off the power, and including controller 8, electric control valve 55, main motor etc. all stop work this moment, have played the effect of saving the electric energy.

The working principle and the using flow of the utility model are as follows:

before operation:

the band sawing machine is stably placed at a proper operation position through the base 1, then the saw frame component 3 is lifted, a workpiece is installed at the flat tongs of the horizontal base 2 and positioned and clamped, a power supply is started to start the machine, and then the saw frame component 3 is released for operation;

the operation is as follows:

the saw frame component 3 drives the saw blade 6 to feed towards a workpiece, the measured pressure is very small before the saw blade is not contacted with the workpiece, the controller 8 controls the electric regulating valve 55 to increase the flow according to the pressure, the moving speed of the piston rod 52 is accelerated, after the saw blade 6 is contacted with the workpiece to start cutting, the pressure sensor 7 measures the back supporting force of the saw blade to be increased, the controller 7 controls the electric regulating valve 55 to reduce the flow according to the pressure change, the moving speed of the piston rod 52 is reduced, the back supporting force of the saw blade 6 is reduced, and the balance between the feeding speed and the back supporting force of the saw blade 6 is obtained through the program control of the controller 8, so that the cutting is stably carried out;

when the cutting load becomes large, the back supporting force of the saw blade 6 becomes large, the controller 8 controls the automatic feeding speed reduction, and when the cutting load becomes small, the controller 8 controls the automatic feeding speed increase, and the optimal cutting efficiency is obtained through self-adaptive adjustment.

When the cutting is completed, after the saw blade 6 completely passes through the workpiece, the contact finger screw 10 at one side of the saw frame component 3 makes the interlocking switch of the lock switch component 9 act, and the power supply is cut off, so that the electric saw frame component has the function of saving electric energy by stopping the work of the controller 8, the electric control valve 55, the main motor and the like.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Self-adaptive hydraulic speed regulation feeding device for metal band saw, and is characterized in that: including base (1), the top fixed mounting of base (1) has horizontal frame (2), saw frame part (3) are installed at the top of horizontal frame (2), be equipped with saw blade (6) on saw frame part (3), the one end of saw frame part (3) is connected with horizontal frame (2) through rotation axis (4), saw frame part (3) is rotatory around rotation axis (4), one side movable mounting of saw frame part (3) has hydraulic damper (5), hydraulic damper (5) lower extreme swing joint is on horizontal frame (2), saw frame part (3) drive saw blade (6) to the speed of moving of work piece feeding and hydraulic damper (5) are in direct proportion.

2. The metal band saw self-adaptive hydraulic speed regulation feeding device according to claim 1, wherein: the hydraulic damper (5) comprises a cylinder body (51), a piston rod (52), a rod end joint bearing (53), a piston (54), an electric control valve (55), an external pipeline (56), an upper cavity (57), a lower cavity (58) and a cylinder body mounting hole (59), wherein the piston (54) is arranged in the cylinder body (51), a cylinder inner space is divided into the upper cavity (57) and the lower cavity (58) by the piston (54), hydraulic oil is filled in the upper cavity (57) and the lower cavity (58), the upper cavity (57) and the lower cavity (58) are connected through the external pipeline (56), the electric control valve (55) is embedded in the external pipeline (56), the piston (54) is connected with the piston rod (52), and the rod end joint bearing (53) and the cylinder body mounting hole (59) are arranged at the top and the bottom of the piston rod (52).

3. The metal band saw self-adaptive hydraulic speed regulation feeding device according to claim 1, wherein: the saw blade (6) is arranged on a saw belt wheel in the saw frame component (3) in a surrounding mode, the saw belt wheel is connected with the rotating shaft (4) in a mounting mode, the back portion of the saw blade (6) is provided with a saw blade supporting component (31), and the saw blade supporting component (31) is provided with a pressure sensor (7).

4. The metal band saw self-adaptive hydraulic speed regulation feeding device according to claim 1, wherein: the base (1) internally mounted has controller (8), controller (8) and pressure sensor (7), electric control valve (55) electric connection, electric control valve (55) control the flow of outside pipeline (56) between controller (8) and pressure sensor (7), electric control valve (55), and the travel speed of piston rod (52) controls saw blade (6) feed rate.

5. The metal band saw self-adaptive hydraulic speed regulation feeding device according to claim 1, wherein: one side of the saw frame component (3) is provided with a contact finger screw (10), and one side of the horizontal base (2) is provided with a chain switch component (9).