Sawing machine

Abstract

The utility model discloses a sawing machine which comprises a base, a supporting seat, a clamping device, a lifting device and a cutting device. The supporting seat is fixedly arranged on the base; the clamping device comprises a fixed clamp arm and a movable clamp arm, the fixed clamp arm is arranged on the supporting base, the movable clamp arm is slidably connected to the supporting base, the fixed clamp arm and the movable clamp arm are matched to fix a workpiece, and a plurality of auxiliary rollers are arranged on the right side of the fixed clamp arm and used for assisting the workpiece to move in the front-back direction. The lifting device comprises two guide rods, a portal frame and a first air cylinder, the guide rods are arranged on the supporting seat, the portal frame is slidably connected to the guide rods, the first air cylinder is arranged on the supporting seat, the first air cylinder is in transmission connection with the portal frame, and the first air cylinder is used for driving the portal frame to ascend and descend; the cutting device comprises two rotating wheels and a metal saw belt, the two rotating wheels are arranged on the two sides of the portal frame respectively, and the rotating wheels are rotatably arranged on the portal frame.

Description

Technical Field

[0001] This utility model relates to the field of machining, and in particular to a sawing machine. Background Technology

[0002] Metal band saws are a common type of mechanical equipment widely used in various industries, especially in the field of metal material processing.

[0003] Traditional metal band saws have a long history of difficulty in moving workpieces after cutting, especially when cutting large workpieces. Adjusting the workpiece position before each cut and moving the workpiece after each cut are time-consuming and labor-intensive. Moreover, repeated friction over a long period of time can damage the surface of the band saw, thus affecting its service life. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a sawing machine that can reduce sliding friction between the workpiece and the sawing machine, making workpiece movement easier.

[0005] A CNC metal band saw according to an embodiment of the present invention includes: a base, a support seat, a clamping device, a lifting device, and a cutting device; the support seat is fixedly mounted on the base; the clamping device includes a fixed clamping arm and a movable clamping arm, the fixed clamping arm being mounted on the support seat, and the movable clamping arm being slidably connected to the support seat, the fixed clamping arm and the movable clamping arm cooperating to fix the workpiece, and a plurality of auxiliary rollers being provided on the right side of the fixed clamping arm, the auxiliary rollers being used to assist the workpiece in moving in the front-back direction; the lifting device includes a guide rod, a gantry frame, and a first cylinder, the guide rod being provided with two The guide rod is mounted on the support base, and the gantry frame is slidably connected to the guide rod. The first cylinder is mounted on the support base and is driven by the gantry frame. The first cylinder is used to drive the gantry frame to lift and lower. The cutting device includes a rotary wheel and a metal saw blade. There are two rotary wheels, which are respectively mounted on both sides of the gantry frame. The rotary wheels are rotatably mounted on the gantry frame. The metal saw blade is wound around the two rotary wheels and rotates with the rotary wheels. The metal saw blade is configured to process workpieces.

[0006] It has at least the following beneficial effects: the fixed clamp arm and the movable clamp arm can cooperate to clamp the workpiece. An auxiliary roller is provided on the right side of the movable clamp arm. The auxiliary roller is used to reduce the friction between the workpiece and the clamping device when moving the workpiece, making the movement of the workpiece easier and saving workload while extending the service life of the saw. The gantry is controlled to rise and fall by the first cylinder, thereby driving the metal saw band to move up and down to cut the workpiece. The use of the first cylinder can not only perfectly realize the required work function, but also has the advantages of low manufacturing cost and low maintenance cost compared with hydraulic cylinder.

[0007] According to some embodiments of this utility model, a locking member is provided on the fixed clamp arm. The locking member is configured to lock the auxiliary roller to fix the auxiliary roller, or to unlock the auxiliary roller to allow the auxiliary roller to rotate freely. When it is necessary to move the workpiece, the locking member is loosened, and the auxiliary roller can rotate, which facilitates the movement and positioning of the workpiece. When the sawing machine is working, the locking member is tightened, the auxiliary roller is fixed, and the position of the workpiece is fixed, which facilitates the processing of the workpiece.

[0008] According to some embodiments of the present invention, a support roller is provided on the support base. The support roller is used to support the workpiece and assist the workpiece in moving. The support roller can effectively reduce the friction between the workpiece and the clamping device during the movement, thus facilitating the movement of the workpiece.

[0009] According to some embodiments of the present invention, the support base is provided with a chip removal device, which is used to remove the waste chips generated when cutting the workpiece. The workpiece will generate a lot of waste chips when it is being processed. The waste chips can be discharged from the clamping device in time through the chip removal device to prevent excessive accumulation of waste chips during processing and thus prevent the processing from being affected.

[0010] According to some embodiments of this utility model, a drain plate is provided on the base, and the interior of the base is hollow. Coolant flows into the interior of the base through the drain plate. The drain plate can effectively prevent coolant accumulation and facilitate cleaning.

[0011] According to some embodiments of this utility model, a second cylinder is provided on one side of the clamping device. The push rod of the second cylinder is connected to the movable clamping arm. The push rod of the second cylinder is used to drive the movable clamping arm to move closer to or away from the fixed clamping arm. The fixed clamping arm is fixedly mounted on the clamping device and does not move. The push rod of the second cylinder is used to drive the movable clamping arm to move closer to or away from the fixed clamping arm, thereby realizing the clamping and releasing of the workpiece by the clamping device.

[0012] According to some embodiments of this utility model, two shields are provided on the gantry frame. The shields are hinged to the gantry frame and are used to shield the rotating wheel. When the rotating wheel rotates at high speed, there are often certain safety hazards. The shields can prevent safety accidents from occurring to a certain extent.

[0013] According to some embodiments of this utility model, both the fixed clamp arm and the movable clamp arm are provided with reinforcing ribs, which can enhance the structural strength of the fixed clamp arm and the movable clamp arm and increase their service life.

[0014] According to some embodiments of this utility model, a drive motor is provided on the gantry frame, one of the two rotating wheels is a driving wheel and the other is a driven wheel, the output shaft of the drive motor is connected to the driving wheel, the drive motor is used to drive the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the metal saw belt, and the use of the drive motor ensures continuous power output.

[0015] According to some embodiments of this utility model, the driven wheel is slidably connected to a hydraulic cylinder mounted on the gantry frame. The piston rod of the hydraulic cylinder is connected to the driven wheel, and the piston rod of the hydraulic cylinder drives the driven wheel to move in the left and right direction. The hydraulic cylinder is used to control the tension of the metal saw band.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a schematic diagram of the structure of a saw according to an embodiment of the present utility model;

[0019] Figure 2 for Figure 1 A magnified view of a portion of A is shown;

[0020] Figure 3 for Figure 1 The top view shown;

[0021] Figure 4 for Figure 1 The rear view shown;

[0022] Icon labels:

[0023] Base 100, drain plate 110;

[0024] Support base 200, support roller 210, chip removal device 220;

[0025] Clamping device 300, fixed clamping arm 311, movable clamping arm 312, auxiliary roller 311a, locking element 311b, second cylinder 320, reinforcing rib 313;

[0026] Lifting device 400, guide rod 410, gantry frame 420, first cylinder 430, cover 421, drive motor 422, hydraulic cylinder 423;

[0027] Cutting device 500, rotary wheel 510, metal saw blade 520, drive wheel 511, driven wheel 512;

[0028] CNC box 600. Detailed Implementation

[0029] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] In the description of this utility model, the use of "first" and "second" is merely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or the order of the technical features.

[0031] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0032] Reference Figures 1 to 4This utility model discloses a saw, comprising: a base 100, a support 200, a clamping device 300, a lifting device 400, and a cutting device 500; the support 200 is fixedly mounted on the base 100; the clamping device 300 includes a fixed clamping arm 311 and a movable clamping arm, the fixed clamping arm 311 being mounted on the support 200, and the movable clamping arm being slidably connected to the support 200, the fixed clamping arm 311 and the movable clamping arm cooperating to fix the workpiece, and a plurality of auxiliary rollers 311a being provided on the right side of the fixed clamping arm 311, the auxiliary rollers 311a being used to assist the workpiece in moving in the front-back direction; the lifting device 400 includes a guide rod 410, a gantry frame 420, and a first cylinder 430, two guide rods 410 being provided, the guide rods 410 being mounted on the support 200, the gantry frame 420 being slidably connected to the guide rods 410, and the first cylinder 430 being mounted on the support 200, the first cylinder 430 being driven by the gantry frame 500. The gantry 420 is driven to rise and fall by a first cylinder 430. The cutting device 500 includes a rotary wheel 510 and a metal saw blade 520. Two rotary wheels 510 are provided, respectively located on both sides of the gantry 420. The rotary wheels 510 are rotatably mounted on the gantry 420. The metal saw blade 520 is wound around the two rotary wheels 510 and rotates with the rotary wheels 510. The metal saw blade 520 is configured to process workpieces. In this embodiment, a CNC box 600 is installed on the base 100. The CNC box 600 is electrically connected to a solenoid valve, which is connected to the first cylinder 430. The first cylinder 430 controls the rise and fall of the gantry 420. The operator can control the CNC box 600 to control the rise and fall of the gantry 420. The CNC box 600 is electrically connected to a drive motor 422 to control whether the drive wheel 511 rotates and its rotation speed.

[0033] Reference Figure 2 The auxiliary roller 311a has anti-slip texture on its surface, which can better clamp the workpiece and prevent the workpiece from slipping when it is clamped.

[0034] The fixed clamping arm 311 and the movable clamping arm 312 can be used to clamp the workpiece. An auxiliary roller 311a is provided on the right side of the movable clamping arm 312. The auxiliary roller 311a is used to reduce the friction between the workpiece and the clamping device 300 when moving the workpiece, making the movement of the workpiece easier and saving workload while extending the service life of the saw. The gantry frame 420 is controlled to rise and fall by the first cylinder 430, thereby driving the metal saw blade 520 to move up and down for cutting the workpiece. The use of the first cylinder 430 can not only perfectly realize the required work function, but also has the advantages of low manufacturing cost and low maintenance cost compared with the hydraulic cylinder 423.

[0035] In some embodiments, a locking member 311b is provided on the fixed clamp arm 311. The locking member 311b is configured to control the rotation and locking of the auxiliary roller 311a. When it is necessary to move the workpiece, the locking member 311b is loosened, and the auxiliary roller 311a can rotate, which facilitates the movement and positioning of the workpiece. The locking member 311b is composed of a knob and a lead screw. When the saw is working, the locking member 311b is tightened, and the auxiliary roller 311a is fixed, fixing the position of the workpiece and facilitating the processing of the workpiece. In other embodiments, a cylinder can be provided inside the fixed clamp arm 311. The mounting seat and push rod of the cylinder are respectively connected to the upper and lower sides of the fixed clamp arm 311. The cylinder controls the upper side to move closer to or away from the top of the auxiliary roller 311a, thereby controlling the locking and rotation of the auxiliary roller 311a.

[0036] In some embodiments, a support roller 210 is provided on the support base 200. The support roller 210 is used to support the workpiece and assist the workpiece in moving. The support roller 210 can effectively reduce the friction between the workpiece and the clamping device 300 during the movement, which facilitates the movement and positioning of the workpiece. In this embodiment, several support rollers 210 can be provided, and the several support rollers 210 can be arranged in the front-back direction.

[0037] In some embodiments, a chip removal device 220 is provided on the support base 200. The chip removal device 220 is used to remove the waste chips generated when cutting the workpiece. In this embodiment, the chip removal device 220 is a groove-shaped device provided below the workpiece. The chip removal device 220 is provided on the support base 200. When the workpiece is processed, a lot of waste chips are generated. The waste chips can be discharged from the clamping device 300 in time through the chip removal device 220 to prevent excessive accumulation of waste chips during processing and affect the processing. In other embodiments, a waste chip storage box can be provided next to the base 100. The chip removal device 220 can be directly connected to the waste chip storage box. The waste chips generated when processing the workpiece can be cleaned and stored in time, which can effectively save cleaning costs. Timely cleaning of waste chips can ensure processing accuracy.

[0038] It is understood that a drain plate 110 is provided on the base 100, and the interior of the base 100 is hollow. Coolant flows into the interior of the base 100 through the drain plate 110. The drain plate 110 can effectively prevent the accumulation of coolant and facilitate cleaning. In this embodiment, the drain plate 110 is provided with a number of drain holes, and the size of the drain holes can be changed according to the size of the waste.

[0039] It should be understood that a second cylinder 320 is provided on one side of the clamping device 300. The push rod of the second cylinder 320 is connected to the movable clamping arm 312. The push rod of the second cylinder 320 is used to drive the movable clamping arm 312 to move closer to or away from the fixed clamping arm 311. The fixed clamping arm 311 is fixedly mounted on the clamping device 300 and does not move. The push rod of the second cylinder 320 is used to drive the movable clamping arm 312 to move closer to or away from the fixed clamping arm 311, thereby realizing the clamping and releasing of the workpiece by the clamping device 300. In some other embodiments, the second cylinder 320 can also be a hydraulic cylinder 423 or other devices.

[0040] It should be noted that the gantry 420 is equipped with two shields 421, which are hinged to the gantry 420. The shields 421 are used to shield the rotating wheel 510. When the rotating wheel 510 rotates at high speed, there are often certain safety hazards. The shields 421 can prevent safety accidents to a certain extent. It is understandable that the shields 421 can also be made transparent to facilitate the operator to observe the movement of the rotating wheel 510 and detect safety hazards in time.

[0041] In some embodiments, both the fixed clamp arm 311 and the movable clamp arm 312 are provided with reinforcing ribs 313. The reinforcing ribs 313 can enhance the structural strength of the fixed clamp arm 311 and the movable clamp arm 312 and increase their service life. The number of reinforcing ribs 313 can be increased appropriately according to the thrust of the cylinder. The reinforcing ribs 313 are common technical means in the art and will not be described in detail.

[0042] It should be noted that a drive motor 422 is installed on the gantry frame 420. One of the two rotating wheels 510 is the driving wheel 511, and the other is the driven wheel 512. The output shaft of the drive motor 422 is connected to the driving wheel 511. The drive motor 422 is used to drive the driving wheel 511 to rotate. The driving wheel 511 drives the driven wheel 512 to rotate through the metal saw blade 520. The use of the drive motor 422 ensures continuous power output.

[0043] In some embodiments, a hydraulic cylinder 423 is provided on the gantry frame 420. The piston rod of the hydraulic cylinder 423 is connected to the driven wheel 512. The piston rod of the hydraulic cylinder 423 drives the driven wheel 512 to move in the left and right direction. The hydraulic cylinder 423 is used to control the tension of the metal saw blade 520.

[0044] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0045] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A saw, characterized in that, include: Base (100); A support base (200) is fixedly mounted on the base (100); The clamping device (300) includes a fixed clamping arm (311) and a movable clamping arm (312). The fixed clamping arm (311) is disposed on the support base (200), and the movable clamping arm (312) is slidably connected to the support base (200). The fixed clamping arm (311) and the movable clamping arm (312) cooperate to fix the workpiece. A plurality of auxiliary rollers (311a) are provided on the right side of the fixed clamping arm (311). The auxiliary rollers (311a) are used to assist the workpiece in moving in the front-back direction. The lifting device (400) includes a guide rod (410), a gantry frame (420), and a first cylinder (430). Two guide rods (410) are provided and are mounted on the support base (200). The gantry frame (420) is slidably connected to the guide rods (410). The first cylinder (430) is mounted on the support base (200) and is driven by the gantry frame (420). The first cylinder (430) is used to drive the gantry frame (420) to lift. The cutting device (500) includes a rotary wheel (510) and a metal saw blade (520). There are two rotary wheels (510), which are respectively disposed on both sides of the gantry frame (420). The rotary wheels (510) are rotatably disposed on the gantry frame (420). The metal saw blade (520) is wound around the two rotary wheels (510) and rotates together with the rotary wheels (510). The metal saw blade (520) is configured to process workpieces.

2. A sawing machine according to claim 1, characterized in that, The fixed clamp arm (311) is provided with a locking member (311b), which is configured to lock the auxiliary roller (311a) to fix the auxiliary roller (311a), or to unlock the auxiliary roller (311a) to allow the auxiliary roller (311a) to rotate freely.

3. A sawing machine according to claim 1, characterized in that, The support base (200) is provided with a support roller (210), which is used to support the workpiece and assist the workpiece in moving.

4. A sawing machine according to claim 3, characterized in that, The support base (200) is provided with a chip removal device (220), which is used to remove the waste chips generated when cutting the workpiece.

5. A sawing machine according to claim 1, characterized in that, The base (100) is hollow inside, and a drain plate (110) is provided on the base (100). Coolant used when sawing workpieces flows into the base (100) through the drain plate (110).

6. A sawing machine according to claim 1, characterized in that, A second cylinder (320) is provided on one side of the clamping device (300). The push rod of the second cylinder (320) is connected to the movable clamp arm (312). The second cylinder (320) is used to drive the movable clamp arm (312) to move closer to or away from the fixed clamp arm (311).

7. A sawing machine according to claim 1, characterized in that, The gantry (420) is provided with two covers (421), which are hinged to the gantry (420) and are used to cover the rotating wheel (510).

8. A sawing machine according to claim 1, characterized in that, Both the fixed clamp arm (311) and the movable clamp arm (312) are provided with reinforcing ribs (313).

9. A sawing machine according to claim 1, characterized in that, The gantry frame (420) is equipped with a drive motor (422). One of the two rotary wheels (510) is a driving wheel (511) and the other is a driven wheel (512). The output shaft of the drive motor (422) is connected to the driving wheel (511). The drive motor (422) is used to drive the driving wheel (511) to rotate. The driving wheel (511) drives the driven wheel (512) to rotate through the metal saw blade (520).

10. A sawing machine according to claim 9, characterized in that, The driven wheel (512) is slidably connected to the gantry frame (420). A hydraulic cylinder (423) is provided on the gantry frame (420). The piston rod of the hydraulic cylinder (423) is connected to the driven wheel (512). The piston rod of the hydraulic cylinder (423) drives the driven wheel (512) to slide in the left and right direction. The hydraulic cylinder (423) is used to control the tension of the metal saw blade (520).

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