Cross beam clamping mechanism and gantry machining machine thereof

Abstract

The utility model relates to the technical field of machine tools, and discloses a cross beam clamping mechanism and a gantry processing machine thereof, the cross beam clamping mechanism comprises a cross beam body and a door arch structure for installation, one side of the cross beam body is provided with a clamping assembly for clamping, the clamping assembly comprises a track, a swing rod, a sliding block, a reduction gearbox and a clamping block, the track and the cross beam body are fixedly installed, and the swing rod is connected with the sliding block. Two sliding blocks which can be close to each other are arranged on one side of the rail, a rotatable swing rod is arranged on one side of each sliding block, a clamping block which can rotate and slide around the swing rod is arranged at the lower end of each swing rod, the swing rods are driven by a reduction gearbox, and the reduction gearbox pushes the swing rods to swing so that the positions of the clamping blocks can be adjusted. The clamping device has the advantages that the clamping range is further widened, the overall structure is simple, later maintenance is facilitated, and when a small workpiece is clamped, the two swing rods can be adjusted to be distributed in an inner eight-way mode so as to avoid displacement of a machining head.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool technical field especially relates to a crossbeam clamping mechanism and gantry processing machine thereof. BACKGROUND

[0002] The gantry processing machine is a kind of machining equipment, and the workpiece needs to be clamped and limited before being processed.

[0003] Through the retrieval, prior art discloses a kind of numerical control machine tool gantry processing device (publication number: CN207358573U), including base, the bottom of the base is equipped with positioning frame, the left and right sides of the top of the base are symmetrically equipped with sliding slot, the top of the sliding slot is equipped with rack, the bottom of the rack is equipped with roller, the top of the rack is equipped with crossbeam, the bottom of the crossbeam is symmetrically equipped with hydraulic cylinder, the output end of the hydraulic cylinder is connected with lifting plate, the left and right sides of the bottom of the lifting plate are symmetrically equipped with mounting plate, the guide rod and the screw rod are penetrated with moving block, the screw rod and moving block are threadedly connected, the guide rod and moving block are clearance fit, the bottom of the moving block is equipped with positioning plate, the positioning plate is equipped with positioning hole, the bottom of the positioning plate is equipped with first clamping plate and second clamping plate, the first clamping plate and second clamping plate are symmetrically arranged, the middle of the top of the base is equipped with workbench.

[0004] Prior art is to solve the clamping and limiting of workpiece, moving block is pushed by screw rod to make clamping plate clamp workpiece, limited by the physical characteristics of screw rod drive, the adjustable range of two clamping plates is limited, and it is powerless for the clamping and limiting of large workpiece, when small workpiece is clamped, the spacing of two clamping plates is small, and it will affect the movement of machining head between two clamping plates for operation.

[0005] Therefore, we propose a kind of crossbeam clamping mechanism and gantry processing machine thereof. UTILITY MODEL CONTENT

[0006] The utility model mainly solves the technical problem that the above-mentioned clamping range is limited and is easy to interfere with the displacement of machining head, and provides a kind of crossbeam clamping mechanism and gantry processing machine thereof.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a kind of crossbeam clamping mechanism, comprising:

[0008] The utility model provides a crossbeam body for the door arch structure of installation, one side of crossbeam body is equipped with the clamping assembly for clamping, the clamping assembly includes track, swing lever, sliding block, reduction gearbox and clamping block, the track is fixedly installed with crossbeam body, one side of track is provided with two mutually close sliding blocks, one side of each sliding block is provided with a rotatable swing lever, and the lower end of each swing lever is provided with a clamping block which can rotate and slip around the swing lever, and the swing lever is driven through the reduction gearbox, and two clamping blocks clamp and limit workpieces together.

[0009] As a preferred mode of the utility model, one side of the track is provided with a sliding groove matched with the sliding block, the sliding block is slidingly arranged in the sliding groove, the track is rotatably connected with a lead screw, the lead screw is threadedly connected with the two sliding blocks, and one side of the track is further fixedly provided with a motor, and the lead screw is fixedly connected with the output shaft of the motor.

[0010] As a preferred mode of the utility model, the swing lever is rotatably arranged on one side of the sliding block, and the reduction gearbox is fixedly arranged on one side of the sliding block through a support, and the output shaft of the reduction gearbox is fixedly connected with the swing lever.

[0011] As a preferred mode of the utility model, the clamping assembly further comprises a sliding rod, the sliding rod is slidingly connected with the swing lever, and the clamping block is arranged at the end of the sliding rod.

[0012] As a preferred mode of the utility model, the clamping assembly further comprises a lifting lug, the lifting lug is fixedly connected with the end of the sliding rod, and the clamping block is rotatably connected with the lifting lug.

[0013] As a preferred mode of the utility model, the swing lever forms a square tube, the sliding rod is matched with the swing lever and slidingly arranged in the swing lever cavity, the lifting lug is a U-shaped rod body, and the clamping block is a rectangular block, and the two sides of the clamping block are rotatably connected with the lifting lug.

[0014] A gantry machining machine comprises a machining center, the machining center is provided with all the crossbeam clamping mechanisms, and the crossbeam body is slidingly arranged above the machining center through guide rails.

[0015] Advantages

[0016] The utility model provides a crossbeam clamping mechanism and gantry machining machine thereof, and has the following advantages:

[0017] 1. The beam clamping mechanism and gantry machining machine thereof, two sliders are arranged on one side of the track, a motor drives the two sliders to move close to or away from each other, the screw is a bidirectional screw, the slider drives the corresponding swing rod to move, the two swing rods are close to each other to make the clamping block clamp the workpiece, the swing mode of the swing rod satisfies the clamping demand of the workpiece with variable size, the clamping range of the two clamping blocks is large, the application range is wide, the reduction box comprises a shell, a worm and a worm wheel are rotatably connected in the shell, an output shaft is fixedly installed at the end of the worm wheel, the output shaft is fixedly connected with the swing rod, a servo motor is also fixedly installed on the shell, the output end of the servo motor is fixedly connected with the worm, the servo motor needs to be used in cooperation with a controller, the position adjustment of the clamping block is realized by the swing of the swing rod driven by the reduction box, and the double adjustment mode is further improved, the clamping range is further improved, the overall structure is simple, maintenance and maintenance in the later period are facilitated, the two swingable swing rods can be adjusted to be distributed in an inner eight shape to avoid displacement of the machining head when small workpieces are clamped.

[0018] 2. The beam clamping mechanism and gantry machining machine thereof, the clamping block can swing around the lifting lug by the sliding of the sliding rod in the cavity of the swing rod, when the swing rod rotates by a certain angle, the height of the clamping block is adjusted by the sliding rod, and the clamping block swings around the lifting lug to adjust the included angle between the clamping block and the side wall of the workpiece, so that the clamping block can be attached to the side wall of the workpiece to ensure the clamping effect, the stability of clamping is not lost on the basis of ensuring the clamping range, and the workpiece is not easy to shake and deviate during machining. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the beam and the clamping assembly of the utility model;

[0020] Figure 2 It is a perspective view of the clamping assembly of the utility model;

[0021] Figure 3 It is an installation schematic view of the clamping block, the sliding rod and the swing rod of the utility model;

[0022] Figure 4 It is one of the overall perspective views of the utility model;

[0023] Figure 5 It is the second overall perspective view of the utility model.

[0024] Legend: 10, machining center; 20, beam body; 21, track; 22, swing rod; 23, sliding block; 24, reduction box; 25, sliding rod; 26, clamping block; 27, lifting lug. DETAILED DESCRIPTION

[0025] A beam clamping mechanism and gantry machining machine thereof, as shown in Figure 1 , Figure 2 and Figure 3As shown, comprising:

[0026] 20, the door arch structure for installation, one side of the beam body 20 is provided with a clamping assembly for clamping, the clamping assembly comprises a rail 21, a swing rod 22, a sliding block 23, a speed reducer 24 and a clamp block 26, the rail 21 is fixedly installed with the beam body 20, one side of the rail 21 is provided with two mutually approachable sliding blocks 23, one side of each sliding block 23 is provided with a rotatable swing rod 22, the lower end of each swing rod 22 is provided with a clamp block 26 which can rotate and slide around the swing rod 22, the swing rod 22 is driven through the speed reducer 24, the two clamp blocks 26 jointly clamp and limit the workpiece, a slide groove matched with the sliding block 23 is formed in one side of the rail 21, the sliding block 23 is slidably arranged in the slide groove, the rail 21 is rotatably connected with a lead screw, the lead screw is threadedly connected with the two sliding blocks 23, the rail 21 is further fixedly provided with a motor on one side, the lead screw is fixedly connected with the output shaft of the motor, the swing rod 22 is rotatably arranged on one side of the sliding block 23, the speed reducer 24 is fixedly arranged on one side of the sliding block 23 through a support, and the output shaft of the speed reducer 24 is fixedly connected with the swing rod 22;

[0027] In the scheme, the two sliding blocks 23 are arranged on one side of the rail 21, the motor drives the lead screw to drive the two sliding blocks 23 to approach or move away from each other, the lead screw is a bidirectional lead screw, the sliding block 23 drives the corresponding swing rod 22 to move, the two swing rods 22 are approached to make the clamp block 26 clamp and limit the workpiece, the swing rod 22 is swung to meet the workpiece clamping requirement of different sizes, the clamping range of the two clamp blocks 26 is large, and the application range is wide, the speed reducer 24 comprises a housing, a worm and a worm wheel are rotatably connected in the housing, an output shaft is fixedly installed at the end of the worm wheel, the output shaft is fixedly connected with the swing rod 22, a servo motor is further fixedly installed on the housing, and the output end of the servo motor is fixedly connected with the worm. The servo motor needs to be used in cooperation with a controller, the swing rod 22 is swung by the speed reducer 24 to realize the position adjustment of the clamp block 26, thereby having a double adjustment mode, further improving the clamping range, and the overall structure is simple, which is convenient for later maintenance and maintenance.

[0028] As shown in Figure 3 The clamping assembly further comprises a sliding rod 25, the sliding rod 25 is slidably connected with the swing rod 22, the clamp block 26 is installed at the end of the sliding rod 25, the clamping assembly further comprises a lifting lug 27, the lifting lug 27 is fixedly connected with the end of the sliding rod 25, the clamp block 26 is rotatably connected with the lifting lug 27, the swing rod 22 forms a square tube, the sliding rod 25 is matched with the swing rod 22 and slidably arranged in the cavity of the swing rod 22, the lifting lug 27 is a U-shaped rod body, the clamp block 26 is a rectangular block, and the two sides of the clamp block 26 are rotatably connected with the lifting lug 27. As a preferred mode, the side wall of the swing rod 22 can be provided with a push rod, the output shaft of the push rod is fixedly connected with the sliding rod 25 for realizing the pushing displacement of the sliding rod 25;

[0029] In the scheme, in order to solve the connection problem of the clamp block 26 and the swing rod 22, the clamp block 26 can swing around the lug 27 by sliding the sliding rod 25 in the cavity of the swing rod 22, and when the swing rod 22 rotates a certain angle, the height of the clamp block 26 is adjusted by the sliding rod 25, and the clamp block 26 swings around the lug 27 to adjust the angle between the clamp block 26 and the side wall of the workpiece, so that the clamp block 26 can be attached to the side wall of the workpiece to ensure the clamping effect. On the basis of ensuring the clamping range, the stability of clamping is not lost, and the workpiece is not easy to shake and deviate during machining.

[0030] As shown in Figure 4 and Figure 5 A gantry machining machine, comprising a machining center 10, the machining center 10 is provided with all the above-mentioned beam clamping mechanism, the beam body 20 is slidably arranged above the machining center 10 through the guide rail, wherein the machining center 10 is provided with a vertical column on both sides, a vertical moving part is movably arranged on the vertical column, a left-right moving part is movably arranged on the vertical moving part, and a machining head capable of swinging forward and backward is arranged at the lower end of the left-right moving part. The machining head comprises a spindle part and a tool rotating with the spindle part, and the machining head is used for machining the clamped and limited part;

[0031] By arranging the above-mentioned beam clamping mechanism, the clamping demand of workpieces with different sizes can be met, the clamping range is wide, the adjustability is strong, the clamping is stable, the overall structure is simple, and the later maintenance is easy.

[0032] The working principle of the utility model is: two sliding blocks 23 are arranged on one side of the track 21, a motor drives the two sliding blocks 23 to move close to or away from each other, the lead screw is a bidirectional lead screw, the sliding block 23 drives the corresponding swing rod 22 to move, the two swing rods 22 are close to each other to make the clamp block 26 clamp and limit the workpiece, the reduction box 24 comprises a shell, a worm and a worm wheel are rotatably connected in the shell, an output shaft is fixedly installed at the end of the worm wheel, the output shaft is fixedly connected with the swing rod 22, the shell further fixedly installs a servo motor, the output end of the servo motor is fixedly connected with the worm, the servo motor needs to be used in cooperation with a controller, the position of the clamp block 26 is adjusted by driving the swing rod 22 to swing through the reduction box 24, a push rod can be installed on the side wall of the swing rod 22, the output shaft of the push rod is fixedly connected with the sliding rod 25 and is used for realizing the pushing displacement of the sliding rod 25, the sliding rod 25 slides in the cavity of the swing rod 22, and the clamp block 26 can swing around the lug 27. When the swing rod 22 rotates a certain angle, the height of the clamp block 26 is adjusted by the sliding rod 25, and the clamp block 26 swings around the lug 27 to adjust the angle between the clamp block 26 and the side wall of the workpiece, so that the clamp block 26 can be attached to the side wall of the workpiece, and the two clamp blocks 26 jointly clamp and limit the workpiece.

[0033] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A beam clamping mechanism, characterized in that, include: A crossbeam body (20) is used for the installation of an arch structure. A clamping assembly for clamping is provided on one side of the crossbeam body (20). The clamping assembly includes a track (21), a swing rod (22), a slider (23), a reduction gearbox (24), and a clamping block (26). The track (21) is fixedly installed with the crossbeam body (20). Two sliders (23) that can approach each other are provided on one side of the track (21). A rotatable swing rod (22) is provided on one side of each slider (23). A clamping block (26) that can rotate and slide around the swing rod (22) is provided at the lower end of each swing rod (22). The swing rod (22) is driven by the reduction gearbox (24). The two clamping blocks (26) together clamp and limit the workpiece.

2. The beam clamping mechanism according to claim 1, characterized in that: A groove for adapting to the slider (23) is provided on one side of the track (21). The slider (23) is slidably disposed in the groove. A lead screw is rotatably connected to the track (21). The lead screw is threadedly connected to the two sliders (23). A motor is also fixedly provided on one side of the track (21). The lead screw is fixedly connected to the output shaft of the motor.

3. The beam clamping mechanism according to claim 1, characterized in that: The swing arm (22) is rotatably mounted on one side of the slider (23), and the gearbox (24) is fixedly mounted on one side of the slider (23) by a bracket. The output shaft of the gearbox (24) is fixedly connected to the swing arm (22).

4. The beam clamping mechanism according to claim 1, characterized in that: The clamping assembly also includes a sliding rod (25), which is slidably connected to a swing rod (22), and a clamping block (26) is installed at the end of the sliding rod (25).

5. The beam clamping mechanism according to claim 4, characterized in that: The clamping assembly also includes a lug (27), which is fixedly connected to the end of the sliding rod (25), and the clamping block (26) is rotatably connected to the lug (27).

6. The beam clamping mechanism according to claim 5, characterized in that: The swing rod (22) is formed into a square tube. The sliding rod (25) is adapted to the swing rod (22) and is slidably disposed in the cavity of the swing rod (22). The lug (27) is a U-shaped rod body. The clamping block (26) is a rectangular block. The two sides of the clamping block (26) are rotatably connected to the lug (27).

7. A gantry machining center, comprising a machining center (10), characterized in that: The machining center (10) is provided with a beam clamping mechanism as described in any one of claims 1-6, and the beam body (20) is slidably disposed above the machining center (10) via a guide rail.

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