阅读说明：本技术 可适用于异形板件的水射流机床切割夹具 (Water jet machine tool cutting clamp applicable to special-shaped plate ) 是由 李登 熊杰 巫世晶 姚致远 罗文悦 于 2021-06-07 设计创作，主要内容包括：本发明提供一种可适用于异形板件的水射流机床切割夹具,涉及水射流切割技术领域,其包括:第一导轨、第二导轨及多个夹紧装置；第一导轨和第二导轨均安装在机床的栅板上,第一导轨和第二导轨上均可移动调节的安装有至少一个夹紧装置,用于夹紧异形板件。该夹具可以对不同尺寸和形状的板件进行快速地装夹和卸取,效率高,可靠性强,适用性广。(The invention provides a water jet machine tool cutting clamp suitable for a special-shaped plate, which relates to the technical field of water jet cutting and comprises a first guide rail, a second guide rail and a plurality of clamping devices, wherein the first guide rail is connected with the second guide rail through a connecting rod; the first guide rail and the second guide rail are both arranged on a grid plate of the machine tool, and the first guide rail and the second guide rail are both movably adjusted and provided with at least one clamping device for clamping the special-shaped plate. The clamp can quickly clamp and unload plates of different sizes and shapes, and is high in efficiency, strong in reliability and wide in applicability.)

1. A water jet machine tool cutting clamp applicable to special-shaped plates is characterized by comprising a first guide rail, a second guide rail and a plurality of clamping devices; the first guide rail and the second guide rail are both arranged on a grid plate of the machine tool, and the first guide rail and the second guide rail are both movably adjusted and provided with at least one clamping device for clamping the special-shaped plate.

2. A water jet machine tool cutting jig applicable to a contour plate as set forth in claim 1, characterized in that: clamping device includes the electro-magnet, the iron plate, the extension spring, press from both sides tight casing and compress tightly the strip, press from both sides the portable regulation of tight casing and install on first guide rail or second guide rail, press from both sides the spout that the orientation extends about being equipped with in the tight casing, the electro-magnet is installed in the spout bottom, what the iron plate can reciprocate installs in the spout, the extension spring is fixed on the iron plate, compress tightly strip one end and install the pressure head, compress tightly the strip other end and be fixed with the clamping piece, compress tightly in the piece lower extreme stretches into the spout downwards and fix on the extension spring.

3. A water jet machine tool cutting jig applicable to a contour plate as set forth in claim 2, characterized in that: the iron block and the pressing piece are rotatably arranged in the chute.

4. A water jet machine tool cutting jig applicable to a contour plate as set forth in claim 3, wherein: the iron block is provided with a slide rod extending in the vertical direction, the pressing piece is fixedly provided with a connecting block, the connecting block can be sleeved on the slide rod in a vertically movable mode, and the upper end of the clamping shell is provided with a through groove for allowing the slide rod to penetrate through.

5. A water jet machine tool cutting jig applicable to a contour plate as set forth in claim 1, characterized in that: the two guide rails of the first guide rail and the second guide rail respectively comprise a base, a work supporting table and an upper slide rail, the base is fixedly installed on the grid plate, the work supporting table is fixed on the base, the upper slide rail is fixedly supported on the work supporting table, and the clamping device is installed on the upper slide rail in a sliding mode through a clamping slide block.

6. A water jet machine tool cutting jig applicable to a contour plate as set forth in claim 5, wherein: the work supporting platform is higher than the top of the upper sliding rail.

7. A water jet machine tool cutting jig applicable to a contour plate as set forth in claim 1, characterized in that: first guide rail and second guide rail are all through fixing device fixed mounting on the grid tray, and fixing device includes that the guide rail installation presss from both sides, clamp bolt and solid fixed sliding block, and the guide rail installation presss from both sides and is equipped with the double-layered groove that the appearance grid plate stretched into down, and clamp bolt installs on the guide rail installation presss from both sides for compress tightly the guide rail installation clamp and fix on the grid tray, gu fixed sliding block installs on the guide rail installation clamp and slidable mounting is on the lower slide rail of first guide rail or second guide rail.

8. A water jet machine tool cutting jig applicable to a contour plate as set forth in claim 7, wherein: the bottom of the fixed sliding block is provided with a bearing installation block, a bearing is rotatably installed on the bearing installation block, and the top of the guide rail installation clamp is installed in the bearing in an interference fit manner.

9. A water jet machine tool cutting jig applicable to a contour plate as set forth in claim 1, characterized in that: the middle part of the upper sliding rail of one of the first guide rail and the second guide rail is fixedly provided with a clamping installation position, a clamping device is installed on the clamping installation position, a positioning block is arranged on the clamping installation position, and the positioning block is positioned on one side, facing the other guide rail, of the clamping device on the clamping installation position.

10. A water jet cutting jig applicable to a contour plate as set forth in claim 9, wherein: one side of the positioning block is composed of two arc surfaces.

Technical Field

The invention relates to the technical field of water jet cutting, in particular to a water jet machine tool cutting clamp suitable for special-shaped plates.

Background

The application of the water jet technology firstly originates from coal mining engineering, and is gradually approved and applied in the processing and manufacturing industry after decades of development, and the water jet technology is most widely applied in the field of cutting and processing at present. Water jet machining is a technique in which water is pressurized and flows through a nozzle having a small diameter, thereby generating high-speed jet flow to impact a workpiece material, and causing the workpiece material to undergo changes such as cracking, peeling, and destruction. The water jet machining has the unique advantages of high efficiency, no pollution, no heat influence, smooth section and the like.

Existing water jet machine tools generally place a workpiece on a grid of the machine tool, and then press the workpiece against the grid using a weight or a press head of a fixture. But the workpiece pressed by the heavy object has no positioning, the processing precision is low, and parts such as a machine tool shaft, a nozzle and the like are easy to damage in the processing process; the existing water jet machine tool clamp is difficult to adjust the position of the clamp according to the size and the shape of a plate after being installed, a special-shaped part cannot be positioned and clamped, and the existing water jet machine tool clamp is manually clamped and is low in efficiency and cannot use different clamping forces for plates with different thicknesses.

Therefore, there is a need to design a water jet cutting jig applicable to a profiled plate to overcome the above problems.

Disclosure of Invention

In order to avoid the problems, the water jet machine tool cutting clamp applicable to the special-shaped plates is provided, plates with different sizes and shapes can be rapidly clamped and unloaded, the efficiency is high, the reliability is high, and the applicability is wide.

The invention provides a water jet machine tool cutting clamp suitable for a special-shaped plate, which comprises: the device comprises a first guide rail, a second guide rail and a plurality of clamping devices; the first guide rail and the second guide rail are both arranged on a grid plate of the machine tool, and the first guide rail and the second guide rail are both movably adjusted and provided with at least one clamping device for clamping the special-shaped plate.

Preferably, clamping device includes the electro-magnet, the iron plate, the extension spring, press from both sides tight casing and compress tightly the strip, press from both sides the movable regulation of tight casing and install on first guide rail or second guide rail, press from both sides the spout that is equipped with the direction extension from top to bottom in the tight casing, the electro-magnet is installed in the spout bottom, what the iron plate can reciprocate installs in the spout, the extension spring is fixed on the iron plate, compress tightly strip one end and install the pressure head, compress tightly the strip other end and be fixed with the clamping piece, compress tightly in the piece lower extreme stretches into the spout downwards and fix on the extension spring.

Preferably, the iron block and the pressing piece are rotatably arranged in the chute.

Preferably, the iron block is provided with a slide rod extending in the vertical direction, the pressing piece is fixedly provided with a connecting block, the connecting block can be sleeved on the slide rod in a vertically movable mode, and the upper end of the clamping shell is provided with a through groove for allowing the slide rod to penetrate through.

Preferably, the first guide rail and the second guide rail both comprise a base, a work supporting table and an upper slide rail, the base is fixedly installed on the grid plate, the work supporting table is fixed on the base, the upper slide rail is fixedly supported on the work supporting table, and the clamping device is installed on the upper slide rail in a sliding mode through a clamping slide block.

Preferably, the work support table is higher than the top of the upper slide rail.

Preferably, first guide rail and second guide rail are all through fixing device fixed mounting on the grid tray, and fixing device includes guide rail installation clamp, housing bolt and fixed sliding block, and the guide rail installation clamp is equipped with the double-layered groove that the appearance grid plate stretched into down, and housing bolt installs on the guide rail installation clamp for compress tightly the guide rail installation clamp and fix on the grid tray, and fixed sliding block installs on the guide rail installation clamp and slidable mounting is on the lower slide rail of first guide rail or second guide rail.

Preferably, the bottom of the fixed sliding block is provided with a bearing mounting block, a bearing is rotatably mounted on the bearing mounting block, and the top of the guide rail mounting clamp is mounted in the bearing in an interference fit manner.

Preferably, a clamping installation position is fixed in the middle of the upper sliding rail of one of the first guide rail and the second guide rail, a clamping device is installed on the clamping installation position, a positioning block is arranged on the clamping installation position, and the positioning block is located on one side, facing the other guide rail, of the clamping device on the clamping installation position.

Preferably, one side on which the positioning block is positioned is composed of two arc surfaces.

Compared with the prior art, the invention has the following beneficial effects:

1. the adjustable fixing device is arranged on the water jet machine tool with grid plates in any shapes, and the original structure of the machine tool does not need to be changed;

2. the invention has the pressure head with adjustable position, height and angle, and can clamp plates with different shapes, sizes and thicknesses;

3. the invention has different clamping force to plates with different thicknesses, thus preventing the surface of the thin plate from being crushed;

4. the invention is provided with the positioning block and is clamped by adopting the multi-pressure head combined electromagnet, so that the positioning and clamping are stable and reliable, and the clamping and the taking-off can be rapidly carried out.

Drawings

Fig. 1 is a schematic structural diagram of a water jet machine tool cutting clamp applicable to a profiled sheet according to a preferred embodiment of the invention;

FIG. 2 is a schematic structural view of a first guide rail according to a preferred embodiment of the present invention;

FIG. 3 is a bottom view of the first track of a preferred embodiment of the present invention;

FIG. 4 is a schematic structural view of a fixing device according to a preferred embodiment of the present invention;

FIG. 5 is a schematic structural view of a clamping device according to a preferred embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a positioning block according to a preferred embodiment of the present invention;

FIG. 7 is a schematic structural view of a hold down strip in accordance with a preferred embodiment of the present invention;

FIG. 8 is a schematic structural view of a clamping shoe according to a preferred embodiment of the present invention;

FIG. 9 is a schematic structural view of a clamp housing according to a preferred embodiment of the present invention;

FIG. 10 is a schematic view of the rail mounting clip of a preferred embodiment of the present invention;

FIG. 11 is a schematic structural view of a bearing mounting block of a preferred embodiment of the present invention;

detailed description of the embodiments reference is made to the accompanying drawings in which:

1. the grid plate is arranged on the upper surface of the frame,

2a, a first guide rail, 2b, a second guide rail, 21, a base, 22, a work support table, 23, an upper slide rail, 24, a lower slide rail,

3. the clamping device 31, the electromagnet 32, the iron block 33, the tension spring 34, the clamping shell 35, the pressing strip 351, the pressure head 352, the pressing piece 353, the connecting block 36, the sliding groove 37, the sliding rod 38, the through groove 39 and the clamping slide block,

4. fixing device 41, guide rail mounting clamp 42, hold-down bolt 43, fixing slide block 44, clamp groove 45, bearing mounting block 46 and bearing,

5. the mounting position is clamped tightly, and the mounting position is clamped,

6. a positioning block is arranged on the base plate,

7. a profiled plate.

Detailed Description

The technical scheme of the invention is clear and completely described in the following with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 11, the present embodiment provides a water jet machine tool cutting jig applicable to a profiled sheet, including: a first guide rail 2a, a second guide rail 2b, and a plurality of clamping devices 3; the first guide rail 2a and the second guide rail 2b are arranged on a grid plate 1 of the machine tool in parallel, and at least one clamping device 3 is movably adjusted on the first guide rail 2a and the second guide rail 2b and used for clamping a special-shaped plate 7.

As shown in fig. 1 to 3, the first guide rail 2a and the second guide rail 2b both include a base 21, a work support platform 22 and an upper slide rail 23, the base 21 is fixedly mounted on the grid plate 1, the work support platform 22 is fixed on the base 21, and the upper slide rail 23 is fixedly supported on the work support platform.

The bases 21 are distributed at two ends of the work supporting platform 22, the length of each base is greater than the interval of the grid plates 1, the bases are used for supporting the work supporting platform 22 and the upper sliding rail 23, and the length of each base is greater than the interval of the grid plates 1 to form reliable support; the work support platform 22 is higher than the top of the upper slide rail 23, and can prevent the special-shaped plate 7 from damaging the upper slide rail 23 while supporting and placing the special-shaped plate 7.

As shown in fig. 1 to 4, 10 and 11, the first rail 2a and the second rail 2b are fixedly mounted on the grid plate 1 by the fixing device 4. Fixing device 4 includes guide rail installation clamp 41, clamp bolt 42 and fixed sliding block 43, and guide rail installation clamp 41 is equipped with down and holds the double-layered groove 44 that grid tray 1 stretched into, and clamp bolt 42 installs on guide rail installation clamp 41 for compress tightly the guide rail installation clamp 41 and fix on grid tray 1, and clamp bolt 42 cooperates with the screw hole on the guide rail installation clamp 41, compresses tightly grid tray 1 in guide rail installation clamp 41, and clamp bolt 42 screws up the back and forms the auto-lock.

The fixed slider 43 is mounted on the rail mounting clip 41 and slidably mounted on the lower rail 24 of the first rail 2a or the second rail 2b, and is driven by the fixed slider 43 to move on the lower rail 24 of the rails. The guide rails are typically positioned along the axis of travel of the machine so that when the grid 1 is curved, the fixed slide 43 can be moved to enable the rail mounting clips 41 to be adjusted to the appropriate position for securing the guide rails.

The bottom of the fixed sliding block 43 is provided with a bearing 46 mounting block 45, a bearing 46 is rotatably arranged on the bearing 46 mounting block 45, and the top of the guide rail mounting clamp 41 is arranged in the bearing 46 in an interference fit manner. The bearings 46 are arranged in the bearing 46 mounting blocks 45, and the guide rail mounting clamps 41 are arranged in the bearings 46, so that the angles of the guide rail mounting clamps 41 can be changed to adapt to different grid plate 1 directions.

In this embodiment, the bases 21 of the first rail 2a and the second rail 2b are also fixed to the grid plate 1 by the rail mounting clips 41 and the pressing bolts 42, so that they can be fixed and mounted more preferably.

As shown in fig. 1, 5 to 9, the clamping device 3 includes an electromagnet 31, an iron block 32, a tension spring 33, a clamp housing 34, and a pressing bar 35. The bottom of the clamping shell 34 is fixed on a clamping slide block 39, the clamping slide block 39 is slidably mounted on the upper slide rail 23 of the first guide rail 2a or the second guide rail 2b, a slide groove 36 extending in the up-down direction is arranged in the clamping shell 34, the electromagnet 31 is mounted at the bottom of the slide groove 36, the iron block 32 can be mounted in the slide groove 36 in the up-down direction, the tension spring 33 is fixed on the iron block 32, a pressing head 351 is mounted at one end of a pressing strip 35, a pressing piece 352 is fixed at the other end of the pressing strip 35, and the lower end of the pressing piece 352 extends downwards into the slide groove 36 and is fixed on the tension spring 33.

Meanwhile, the iron block 32 and the pressing member 352 are rotatably mounted in the sliding groove 36, a sliding rod 37 extending in the vertical direction is arranged on the iron block 32, a connecting block 353 is fixed on the pressing member 352, the connecting block 353 can be sleeved on the sliding rod 37 in an up-and-down moving manner, and a through groove 38 for allowing the sliding rod 37 to pass through is arranged at the upper end of the clamping shell 34. The connecting block 353 is arranged in the clamping shell 34 and connected with the tension spring 33, two holes are distributed on the connecting block 353 and in clearance fit with the sliding rod 37, and under the action of the tension spring 33, the connecting block 353 can drive the whole pressing strip 35 to be pressed downwards, so that the pressing head 351 is pressed on a workpiece.

When the electromagnet 31 is powered off, the pressing bar 35, the iron block 32, the tension spring 33 and the sliding rod 37 can lift up and down or horizontally rotate together in the sliding groove 36 of the clamping shell 34, the clamping shell 34 is connected with the clamping slide block 39 through a bolt, the clamping slide block 39 is installed on the upper sliding rail 23 of the guide rail, and the pressure head 351 can be adjusted to a position required to be clamped by moving the clamping slide block 39 and rotating the pressing bar 35. When the electromagnet 31 is electrified, the iron block 32 is tightly sucked and fixed, the iron block 32 cannot rotate due to the friction force generated by pressing the middle contact surface, the iron block 32 cannot rotate, and the pressing strip 35 cannot rotate at the moment due to the existence of the sliding rod 37; the tension spring 33 is arranged between the pressing strip 35 and the iron block 32 to transmit acting force, so that the pressing strip 35 presses the workpiece, and the force generated by the tension spring 33 is increased along with the increase of the stretched length, so that the pressing force generated by the clamping device 3 is larger for thicker plates.

As shown in fig. 1, a clamping installation site 5 is fixed in the middle of the upper sliding rail 23 of the first guiding rail 2a, and a clamping housing 34 of one clamping device 3 is directly installed on the clamping installation site 5 and is immovable; the other two are arranged on the clamping slide block 39 and can be driven by the clamping slide block 39 to move on the upper slide rail 23; two clamping devices 3 on the second guide rail 2b are both installed on the sliding block, and when a common strip-shaped plate is processed, the two clamping devices 3 on the second guide rail 2b cannot block the plate.

Meanwhile, a positioning block 6 is arranged on the clamping installation position 5, and the positioning block 6 is positioned on one side, facing the other guide rail, of the clamping device 3 on the clamping installation position 5. One side of the positioning block 6 is composed of two arc surfaces which can be contacted in a tangent mode to position the arc surfaces and the planes of the workpieces, and the positioning block can be installed on the shell of the clamping device 3 through screws.

During actual use, aiming at different types of water jet machine tool grids, the position and the angle of the fixing device 4 are firstly adjusted, the guide rail is fixed on the grid plate 1 of the machine tool by using the compression bolt 42, then a workpiece is placed on a workpiece supporting platform of the guide rail, the position of each clamping device 3 is respectively adjusted, the compression strip 35 of each clamping device 3 is placed on the workpiece, the electromagnet 31 is electrified after the workpiece is positioned by using the positioning block 6, the electromagnet 31 tightly sucks the iron block 32, the pressure head 351 of the compression strip 35 clamps the workpiece by using the tension spring 33 to transfer acting force, after machining is completed, the electromagnet 31 is powered off, the pressure head 351 is removed, and the workpiece is taken down. The invention can quickly clamp and unload plates with different sizes and shapes, and has high efficiency, strong reliability and wide applicability.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.