CN217889776U - Linear cutting machine clamping platform - Google Patents

Abstract

The utility model relates to the technical field of linear cutting machine tools, in particular to a clamping platform of a linear cutting machine tool, which comprises a base, two slide rails and two clamping devices, wherein the two slide rails are symmetrically arranged on the base, and the two clamping devices are respectively connected with the two slide rails in a sliding way; the clamping device comprises a bridge, two clamping mechanisms and an inclining mechanism, wherein two ends of the bridge are respectively connected with two sliding rails in a sliding manner, two sliding grooves are respectively formed in the upper side and the lower side of the bridge, the two clamping mechanisms are respectively arranged in the two sliding grooves in a sliding manner, and the two clamping mechanisms are connected through the inclining mechanism; the clamping mechanism comprises a sliding block and a plurality of chucks, the sliding block is arranged in the sliding groove in a sliding mode, and the plurality of chucks are connected to one side, opposite to the other clamping device, of the sliding block through a spherical pair. The clamping mechanism clamps the workpiece with the irregular edge through the clamping mechanisms and the clamping plates; the inclination angle of the workpiece can be adjusted to carry out taper machining on the workpiece.

Description

Linear cutting machine clamping platform

Technical Field

The utility model relates to a wire cut electrical discharge machining bed technical field, especially a wire cut electrical discharge machining bed clamping platform.

Background

The numerical control linear cutting machine consists of three major parts, namely a mechanical part, an electrical part and a working fluid system, wherein the mechanical part of the linear cutting machine is a foundation, and the precision of the mechanical part directly influences the working precision of the machine tool and also influences the full play of the electrical performance. The mechanical system consists of a machine tool body, a coordinate worktable, a wire conveying mechanism, a wire frame mechanism, a taper mechanism, a lubricating system and the like, in the current market, wire cutting is to use a continuously moving thin metal wire (molybdenum wire, copper wire or alloy wire) as an electrode to carry out pulse spark discharge metal removal and cutting forming on a workpiece, and the wire cutting is mainly used for processing various workpieces with complicated shapes and fine precision.

In the prior art, when clamping a workpiece with an irregular edge, an existing linear cutting machining clamp is usually clamped and fixed through a positioning hole and a bolt; when a workpiece with a larger edge inclination angle is clamped, the upper surface and the lower surface of the workpiece can be leveled only by manually erecting the die, the time for erecting the die is long, the technical level of workers is greatly depended on, and the quality difference of the workpieces machined by different workers is large; moreover, many existing wire cutting machines are not provided with taper rods, cannot perform taper machining on workpieces, and purchasing a new piece of equipment is high in cost, and is not economical especially for enterprises with small taper machining orders.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a linear cutting machine clamping platform.

The purpose of the utility model is realized through the following technical scheme: a linear cutting machine clamping platform comprises a base, two slide rails and two clamping devices, wherein the two slide rails are symmetrically arranged on the base, and the two clamping devices are respectively connected with the two slide rails in a sliding manner;

the clamping device comprises a bridge frame, two clamping mechanisms and an inclination mechanism, wherein two ends of the bridge frame are respectively connected with two slide rails in a sliding manner, two sliding grooves are respectively formed in the upper side and the lower side of the bridge frame, the two clamping mechanisms are respectively arranged in the two sliding grooves in a sliding manner, and the two clamping mechanisms are connected through the inclination mechanism. When a workpiece is clamped, the two bridge frames are moved oppositely, the clamping mechanism clamps the workpiece, the linear cutting machine is started to cut the workpiece, the clamping mechanisms on the upper side and the lower side of the bridge frames slide in the sliding grooves through the adjusting and inclining mechanism, the length of the sliding grooves extending out of the clamping mechanism is changed, the inclination angle of the workpiece is changed, the workpiece is adjusted to be horizontal, and the workpiece clamping device is compared with the traditional mode of adjusting a dial indicator after a traditional frame die, and the efficiency is greatly improved.

Specifically, the clamping mechanism comprises a sliding block and a plurality of chucks, the sliding block is arranged in the sliding groove in a sliding mode, and the plurality of chucks are connected to one side, opposite to the other clamping device, of the sliding block through a spherical pair. The plurality of chucks are connected with the sliding block through the spherical pair, so that the chucks have a movable range, the chucks are attached to the surface of the workpiece, the contact range of the chucks and the workpiece is large, and the chucks are firmly clamped; compared with the traditional manual mode of clamping the upper and lower die frames, the clamping speed is higher, the interference on the wiring range of the wire cutting machine is small, the clamping position does not need to be changed for many times, and time and labor are saved.

Specifically, the chuck includes splint, end bar and ball, a plurality of ball grooves have been seted up to one side of slider, splint pass through the end bar with the ball is connected, the ball rotates to be set up in the ball inslot, the slider all is connected with the fender lid in ball groove department. In the using process, the parts of the chuck are inevitably worn, the blocking cover is fixed on the sliding block through screws, and the blocking cover can be detached to take out the round ball from the ball groove after the screws are screwed off; the end rod is in threaded connection with the ball, the end rod and the ball are oppositely rotated and separated, the blocking cover can be taken down, and the clamp head part can be replaced.

Specifically, the bridge frame is provided with guide grooves on two sides of the sliding groove, bosses are fixedly arranged on two sides of the sliding block, and the bosses are arranged in the guide grooves in a sliding mode. Through boss and the cooperation of guide way on the slider, realize spacing to the slider vertical direction, avoid the clamping workpiece in-process slider to take place to become flexible.

Specifically, the tilting mechanism comprises an adjusting mechanism, a sliding barrel, an upper connecting rod and a lower connecting rod, the adjusting mechanism is connected with the sliding block in a rotating mode, a through groove communicated with sliding grooves on the upper side and the lower side of the bridge is formed in the bridge, the sliding barrel is hinged in the through groove, the upper end of the upper connecting rod is hinged to the sliding block in the sliding groove on the upper side of the bridge, the lower end of the upper connecting rod is connected with the upper end of the sliding barrel in a sliding mode, the upper end of the lower connecting rod is connected with the lower end of the sliding barrel in a sliding mode, the lower end of the lower connecting rod is hinged to the sliding block in the sliding groove on the lower side of the bridge, and the sliding block is provided with a threading opening which is communicated up and down. The sliding block on one side of the bridge frame is moved by adjusting the adjusting mechanism, and the sliding block on the other side slides in the opposite direction under the driving of the upper connecting rod, the lower connecting rod and the hinge shaft so as to adapt to the inclination angle of the appearance of the workpiece and keep the upper surface and the lower surface of the workpiece horizontal; the metal wire of the wire cutting machine penetrates through the threading port and is installed, the adjusting mechanism is adjusted, the processing surface of the workpiece is parallel to the metal wire of the wire cutting machine, the metal wire is arranged in the threading port, and the taper processing of the workpiece is achieved.

Specifically, two the slider has seted up the recess respectively in relative one side, the pin joint of going up connecting rod and slider with the pin joint of lower connecting rod and slider all sets up in the recess. The grooves are formed in the opposite surfaces of the upper sliding block and the lower sliding block, the upper connecting rod and the lower connecting rod are hinged in the grooves through the hinge shaft, the length of the upper connecting rod and the length of the lower connecting rod are prolonged, the moving range of the upper sliding block and the lower sliding block is enlarged, and therefore the adjusting range of the inclination angle of a clamped workpiece is enlarged.

Specifically, the adjusting mechanism comprises a screw rod and a convex block, the convex block is fixedly arranged in the sliding groove, one end of the screw rod is rotatably connected with the sliding block, the other end of the screw rod penetrates through the convex block and is in threaded connection with the convex block, and a hexagonal groove is formed in one end of the screw rod. Through inserting interior hexagonal spanner in the hexagonal groove, rotate interior hexagonal spanner and drive the lead screw and rotate, promote or pull the slider and slide along the spout.

Specifically, adjustment mechanism still includes positioning mechanism, positioning mechanism includes sleeve and locating plate, the fixed setting of locating plate is in the spout, the sleeve rotates the cover and establishes on the lead screw, the fixed sand grip that is provided with on the sleeve, be provided with the scale on the sand grip, set up the through-hole that corresponds sleeve and sand grip on the locating plate, the sleeve passes through-hole and locating plate sliding connection. The relative inclination angles of the sliding blocks on the upper side and the lower side of the bridge frame can be read by observing the scales corresponding to the positioning plates; the screw rod has the baffle at telescopic both sides threaded connection and makes the sleeve can not axial displacement, and the through-hole of locating plate makes the sand grip of being imprinted with the scale towards the top all the time, convenient observation.

Specifically, a screw rod is arranged in the slide rail in a rotating mode, the screw rod is respectively in threaded connection with the two bridges, and the threaded connection directions of the two bridges and the screw rod are opposite. The two bridges move relatively by rotating the lead screw, and the two bridges move back to back by rotating the lead screw reversely, so that the clamping step is greatly simplified.

Specifically, one end of the screw rod is provided with a hand wheel. The arm of force of rotating the lead screw is prolonged through the hand wheel, the grabbing is convenient, and a worker rotates the lead screw through the hand wheel, so that the bridge is moved more conveniently and labor-saving.

The utility model has the advantages of it is following:

the utility model can adjust the inclined mechanism to make the clamping mechanisms on the upper and lower sides of the bridge frame slide in the chute, change the length of the clamping mechanism extending out of the chute, change the inclination angle of the workpiece and adjust the workpiece to the level; the plurality of chucks are connected with the sliding block through the spherical pair, so that the chucks have a movable range, the chucks are attached to the surface of a workpiece, the contact range with the workpiece is large, the clamping is firm, compared with a traditional manual mode of vertically clamping a die, the clamping speed is higher, the interference on the wiring range of the wire cutting machine is small, the clamping position does not need to be changed for many times, and time and labor are saved; the replacement of the chuck parts is realized by dismounting the blocking cover; the metal wire of the wire cutting machine is arranged at the threading opening in a penetrating mode, and the taper of the workpiece is machined.

Drawings

FIG. 1 is a top view of the clamping platform of the linear cutting machine of the present invention;

FIG. 2 is a schematic structural view of the clamping device of the present invention;

FIG. 3 is a cross-sectional view of the clamping device of the present invention;

FIG. 4 is a schematic view of the chuck structure of the present invention;

fig. 5 is a schematic structural view of the tilting mechanism of the present invention;

fig. 6 is a top view of the adjusting mechanism and the positioning mechanism of the present invention;

in the figure: 1-base, 2-slide rail, 3-clamping device, 4-bridge, 5-clamping mechanism, 6-tilting mechanism, 7-sliding groove, 8-sliding block, 9-clamping head, 10-clamping plate, 11-end rod, 12-ball, 13-ball groove, 14-hand wheel, 15-blocking cover, 16-guide groove, 17-boss, 18-adjusting mechanism, 19-sliding barrel, 20-upper connecting rod, 21-lower connecting rod, 22-through groove, 23-threading opening, 24-groove, 25-screw rod, 26-lug, 27-hexagonal groove, 28-positioning mechanism, 29-sleeve, 30-positioning plate, 31-convex strip, 32-scale, 33-through hole and 34-screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be 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. Also, 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 a … …" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The present invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1 to 6, the clamping device comprises a base 1, two slide rails 2 and two clamping devices 3, wherein the two slide rails 2 are symmetrically arranged on the base 1, and the two clamping devices 3 are respectively connected with the two slide rails 2 in a sliding manner;

the clamping device 3 comprises a bridge 4, two clamping mechanisms 5 and an inclining mechanism 6, two ends of the bridge 4 are respectively connected with the two sliding rails 2 in a sliding mode, two sliding grooves 7 are respectively formed in the upper side and the lower side of the bridge 4, the two clamping mechanisms 5 are respectively arranged in the two sliding grooves 7 in a sliding mode, and the two clamping mechanisms 5 are connected through the inclining mechanism 6.

In the scheme, a base 1 is fixedly installed on a workbench of a linear cutting machine through bolts, the base 1 does not interfere with the wire moving range of the linear cutting machine, two sliding rails 2 are welded on the base 1, the two sliding rails 2 are made to be horizontal to the workbench of the linear cutting machine through leveling the base 1, and the levelness of a clamped workpiece is ensured; clamping mechanism 5 is fixed in spout 7 by tilt mechanism 6, so can not slide along spout 7 when receiving other external forces, during the clamping work piece, two crane span structure 4 of opposite direction movement, make clamping mechanism 5 live the work piece centre gripping, start the wire cut electrical discharge machining bed and cut the work piece, make clamping mechanism 5 of crane span structure 4 upper and lower both sides slide in spout 7 through adjustment tilt mechanism 6, change the length that clamping mechanism 5 stretches out spout 7 outward, make the inclination of work piece change, with the adjustment to the level of work piece, compare the mode of beating the percentage table adjustment behind traditional frame mould, efficiency promotes greatly.

Further, the clamping mechanism 5 comprises a sliding block 8 and a plurality of chucks 9, the sliding block 8 is arranged in the sliding groove 7 in a sliding mode, and the plurality of chucks 9 are connected to one side, opposite to the other clamping device 3, of the sliding block 8 through a spherical pair. In the scheme, the sliding block 8 is fixed in the sliding groove 7 by the tilting mechanism 6, so that the sliding block cannot slide along the sliding groove 7 when being subjected to other external forces, when an irregular workpiece is clamped, the traditional mode of clamping the workpiece by the upper and lower die carriers blocks the wiring range of the wire cutting machine to a great extent, and the die carriers and the die releases are required for processing one workpiece for multiple times, which wastes time and labor; the plurality of chucks 9 are connected with the sliding block 8 through the spherical pair, so that the chucks 9 have a movable range, after the chucks 9 are contacted with the workpiece, the chucks 9 rotate along the spherical pair until the chucks are attached to the surface of the workpiece, the contact range of the chucks 9 and the workpiece is large, and the clamping is firm; compare centre gripping mode about traditional manual frame mould, this scheme centre gripping is fast, and it is little to walk the line scope interference to wire cutting machine, need not to change clamping position many times, labour saving and time saving.

Further, the chuck 9 includes a clamping plate 10, an end rod 11 and a ball 12, a plurality of ball grooves 13 have been seted up to one side of slider 8, clamping plate 10 passes through end rod 11 with ball 12 is connected, ball 12 slides and sets up in ball groove 13, slider 8 all is connected with fender lid 15 in ball groove 13 department. In the scheme, the clamping plate 10 is welded with the end rod 11 to ensure the strength, when a workpiece is clamped, the clamping plate 10 is in contact with the workpiece, the end rod 11 drives the clamping plate to slide the spherical ball 12 in the spherical groove 13, and meanwhile, the cooperation of the spherical ball 12 and the spherical groove 13 limits the moving range of the clamping plate 10, so that the workpiece is clamped between the clamping plates 10 while the appearance of the clamp is adapted; in the using process, the parts of the chuck 9 are inevitably worn, the blocking cover 15 is fixed on the sliding block 8 through screws, and the blocking cover 15 can be detached to take the round ball 12 out of the ball groove 13 after the screws are screwed off; for convenience of replacement, the end rod 11 and the round ball 12 are in threaded connection, when the chuck 9 is installed, the clamping plate 10 is limited and cannot rotate, so that the loosening probability of the end rod 11 and the round ball 12 is small, after the chuck 9 is taken out, the end rod 11 and the round ball 12 can be easily separated, the blocking cover 15 is taken down, and a new part is replaced.

Further, guide grooves 16 are formed in the two sides of the sliding groove 7 of the bridge 4, bosses 17 are fixedly arranged on the two sides of the sliding block 8, and the bosses 17 are slidably arranged in the guide grooves 16. In this scheme, slider 8 is when the centre gripping work piece, because the atress is not only along 7 directions of spout, so through boss 17 and the cooperation of guide way 16 on the slider 8, realize spacing to the slider 8 vertical direction, avoid centre gripping work piece in-process slider 8 to take place to become flexible.

Further, the tilting mechanism 6 comprises an adjusting mechanism 18, a sliding barrel 19, an upper connecting rod 20 and a lower connecting rod 21, the adjusting mechanism 18 is rotatably connected with one of the sliding blocks 8, a through groove 22 communicating the sliding grooves 7 on the upper side and the lower side of the bridge is formed in the bridge 4, the sliding barrel 19 is hinged in the through groove 22, the upper end of the upper connecting rod 20 is hinged to the sliding block 8 in the sliding groove 7 on the upper side of the bridge 4, the lower end of the upper connecting rod 20 is slidably connected with the upper end of the sliding barrel 19, the upper end of the lower connecting rod 21 is slidably connected with the lower end of the sliding barrel 19, the lower end of the lower connecting rod 21 is hinged to the sliding block 8 in the sliding groove 7 on the lower side of the bridge 4, and the sliding block 8 is provided with a threading opening 23 which is through up and down. In the scheme, the sliding cylinder 19 is hinged in the through groove 22 through hinge shafts on two sides, the upper connecting rod 20, the lower connecting rod 21 and the hinge shafts are always in a straight line and jointly form a connecting rod with variable length, the adjusting mechanism 18 is adjusted to enable the sliding block 8 on one side to move, and the sliding block 8 on the other side slides in the opposite direction under the driving of the upper connecting rod 20, the lower connecting rod 21 and the hinge shafts to adapt to the inclined angle of the appearance of a workpiece, so that the upper surface and the lower surface of the workpiece are kept horizontal, and compared with the case that only one side sliding block 8 is moved, the inclined angle formed by the upper chuck 9 and the lower chuck 9 is larger, and the workpiece with larger inclined angle can be clamped; when the workpiece needs to be subjected to taper machining, a metal wire of the wire cutting machine penetrates through the threading opening 23 and is installed, the adjusting mechanism 18 is adjusted, the machining surface of the workpiece is made to be parallel to the metal wire of the wire cutting machine, the wire cutting machine tool is started, the metal wire is wired in the threading opening 23, and taper machining of the workpiece is achieved.

Furthermore, two sliders 8 are respectively provided with a groove 24 at opposite sides, and a hinge point of the upper connecting rod 20 and the slider 8 and a hinge point of the lower connecting rod 21 and the slider 8 are both arranged in the groove 24. In the scheme, due to the limitation of the thickness of the workpiece, the distance between the upper sliding block 8 and the lower sliding block 8 cannot be too large, and the lengths of the upper connecting rod 20, the lower connecting rod 21 and the sliding barrel 19 limit the moving range of the upper sliding block 8 and the lower sliding block 8, so that the opposite surfaces of the upper sliding block 8 and the lower sliding block 8 are provided with the grooves 24, the upper connecting rod 21 and the lower connecting rod 21 are hinged in the grooves 24 through the hinge shafts, the length of the upper connecting rod 21 and the lower connecting rod 21 is prolonged, the moving range of the upper sliding block 8 and the lower sliding block 8 is enlarged, and the adjusting range of the inclination angle of the clamped workpiece is enlarged.

Further, the adjusting mechanism 18 comprises a screw rod 25 and a convex block 26, the convex block 26 is fixedly arranged in the sliding groove 7, one end of the screw rod 25 is rotatably connected with the sliding block 8, the other end of the screw rod passes through the convex block 26 and is in threaded connection with the convex block 26, and one end of the screw rod 25 is provided with a hexagonal groove 27. In the scheme, the bump 26 is welded in the sliding chute 7, when the clamping angle is adjusted, the inner hexagonal wrench is inserted into the hexagonal groove 27, the inner hexagonal wrench is rotated to drive the screw rod 25 to rotate, the length of the screw rod 25 between the bump 26 and the sliding block 8 is changed due to the threaded connection of the bump 26 and the screw rod 25, and the screw rod 25 pushes the sliding block 8 to slide along the sliding chute 7; and the inner hexagonal wrench is rotated reversely, and the screw rod 25 pulls the sliding block 8 to slide reversely along the sliding groove 7.

Further, adjustment mechanism 18 still includes positioning mechanism 28, positioning mechanism 28 includes sleeve 29 and locating plate 30, locating plate 30 is fixed to be set up in spout 7, sleeve 29 rotates the cover and establishes on the lead screw 25, the fixed sand grip 31 that is provided with on the sleeve 29, be provided with scale 32 on the sand grip 31, set up the through-hole 33 that corresponds sleeve 29 and sand grip 31 on the locating plate 30, sleeve 29 passes through-hole 33 and locating plate 30 sliding connection. In the scheme, the inclination angle formed by the upper slide block 8 and the lower slide block 8 is difficult to measure, in order to visually observe the real-time inclination angle, the inclination angle corresponding to the axial displacement of the screw rod 25 is imprinted on the convex strip 31 of the sleeve 29, and the scale 32 line at the edge of the positioning plate 30, which is just opposite to the convex strip 31, is the current inclination angle; the screw rod 25 is in threaded connection with the baffle plates on two sides of the sleeve 29, so that the sleeve 29 cannot axially displace, and the raised strips 31 printed with scales 32 are always upward through the through holes 33 of the positioning plate 30, so that the observation is convenient.

Further, a screw rod 34 is rotatably arranged in one of the slide rails 2, the screw rod 34 is respectively in threaded connection with the two bridges 4, and the threaded connection directions of the two bridges 4 and the screw rod 34 are opposite. In this scheme, threaded hole is all seted up to two crane span structure 4, and the screw thread opposite direction of 4 screw holes of two crane span structures, crane span structure 4 passes through screw hole and 34 threaded connection of lead screw, during the clamping work piece, make two crane span structure 4 relative movement through rotating lead screw 34, reverse rotation lead screw 34 makes two crane span structure 4 move back to back mutually, and the stroke of removal is unanimous, the tight step of clamp has been simplified greatly, after 5 subtend clamping object of clamping mechanism, continue to screw up lead screw 34 along former direction, increase the pretightning force, make the wire-electrode cutting lathe at the during operation, lead screw 34 can not become flexible.

Further, one end of the lead screw 34 is provided with a hand wheel 14. In this scheme, in order to guarantee the clamping precision and prevent not hard up, so the less lead screw 34 of pitch that adopts, because the crane span structure 4 is longer relatively at the stroke of clamping work piece, just need lead screw 34 rotatory multiturn just can move crane span structure 4 in place, so set up hand wheel 14 in the one end of lead screw 34, hand wheel 14 has prolonged the arm of force that rotates lead screw 34 and is convenient for the gripping, and the workman rotates lead screw 34 through hand wheel 14, makes to remove crane span structure 4 convenient laborsaving more.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.

Claims (10)

1. The utility model provides a linear cutting machine clamping platform which characterized in that: the clamping device comprises a base (1), two sliding rails (2) and two clamping devices (3), wherein the two sliding rails (2) are symmetrically arranged on the base (1), and the two clamping devices (3) are respectively connected with the two sliding rails (2) in a sliding manner;

the clamping device (3) comprises a bridge (4), two clamping mechanisms (5) and an inclining mechanism (6), wherein two ends of the bridge (4) are respectively connected with two sliding rails (2) in a sliding manner, two sliding grooves (7) are respectively formed in the upper side and the lower side of the bridge (4), the two clamping mechanisms (5) are respectively arranged in the two sliding grooves (7) in a sliding manner, and the two clamping mechanisms (5) are connected through the inclining mechanism (6).

2. The clamping platform of the linear cutting machine as set forth in claim 1, characterized in that: the clamping mechanism (5) comprises a sliding block (8) and a plurality of chucks (9), the sliding block (8) is arranged in the sliding groove (7) in a sliding mode, and the chucks (9) are connected to one side, opposite to the other clamping device (3), of the sliding block (8) through a spherical pair.

3. The clamping platform of the linear cutting machine as claimed in claim 2, characterized in that: chuck (9) are including splint (10), end pole (11) and ball (12), a plurality of ball grooves (13) have been seted up to one side of slider (8), splint (10) pass through end pole (11) with ball (12) are connected, ball (12) rotate and set up in ball groove (13), slider (8) all are connected with fender lid (15) in ball groove (13) department.

4. The clamping platform of the linear cutting machine as claimed in claim 2, characterized in that: guide grooves (16) are formed in the two sides of the sliding groove (7) of the bridge (4), bosses (17) are fixedly arranged on the two sides of the sliding block (8), and the bosses (17) are arranged in the guide grooves (16) in a sliding mode.

5. The clamping platform of the linear cutting machine as claimed in claim 2, characterized in that: the inclined mechanism (6) comprises an adjusting mechanism (18), a sliding barrel (19), an upper connecting rod (20) and a lower connecting rod (21), the adjusting mechanism (18) is connected with a sliding block (8) in a rotating mode, a through groove (22) communicated with sliding grooves (7) on the upper side and the lower side of the bridge frame is formed in the bridge frame (4), the sliding barrel (19) is hinged in the through groove (22), the upper end of the upper connecting rod (20) is hinged to the sliding block (8) in the sliding groove (7) on the upper side of the bridge frame (4), the lower end of the upper connecting rod (20) is connected with the upper end of the sliding barrel (19) in a sliding mode, the upper end of the lower connecting rod (21) is connected with the lower end of the sliding barrel (19) in a sliding mode, the lower end of the lower connecting rod (21) is hinged to the sliding block (8) in the sliding groove (7) on the lower side of the bridge frame (4), and a threading opening (23) which is communicated up and down is formed in the sliding block (8).

6. The clamping platform of the linear cutting machine as set forth in claim 5, characterized in that: two slider (8) have seted up recess (24) respectively in relative one side, the pin joint of going up connecting rod (20) and slider (8) and the pin joint of lower connecting rod (21) and slider (8) all set up in recess (24).

7. The clamping platform of the linear cutting machine as set forth in claim 5, characterized in that: the adjusting mechanism (18) comprises a screw rod (25) and a convex block (26), the convex block (26) is fixedly arranged in the sliding groove (7), one end of the screw rod (25) is rotatably connected with the sliding block (8), the other end of the screw rod penetrates through the convex block (26) and is in threaded connection with the convex block (26), and one end of the screw rod (25) is provided with a hexagonal groove (27).

8. The clamping platform of the linear cutting machine as set forth in claim 7, characterized in that: adjustment mechanism (18) still include positioning mechanism (28), positioning mechanism (28) include sleeve (29) and locating plate (30), fixed the setting in spout (7) of locating plate (30), sleeve (29) rotate the cover and establish on lead screw (25), the fixed sand grip (31) that is provided with on sleeve (29), be provided with scale (32) on sand grip (31), set up through-hole (33) that correspond sleeve (29) and sand grip (31) on locating plate (30), sleeve (29) are through-hole (33) and locating plate (30) sliding connection.

9. The clamping platform of the linear cutting machine as set forth in claim 1, characterized in that: a lead screw (34) is arranged in the slide rail (2) in a rotating mode, the lead screw (34) is in threaded connection with the two bridges (4) respectively, and the threaded connection directions of the two bridges (4) and the lead screw (34) are opposite.

10. The clamping platform of the linear cutting machine as set forth in claim 9, characterized in that: and a hand wheel (14) is arranged at one end of the lead screw (34).

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