Laser processing protection structure

Abstract

The utility model relates to the field of laser processing, and discloses a laser processing protection structure which comprises a rack, a mounting assembly, a clamping assembly and two shielding assemblies. The mounting assembly is used for fixing a hole in the middle of the saw blade, so that the axis of the saw blade extends in the left-right direction; the clamping assembly is arranged on the rack, and the clamping assembly is used for clamping the saw blade cutter so as to prevent relative movement between the saw blade cutter and the mounting assembly; the two shielding assemblies are arranged on the machine frame, the saw blade cutter installed on the installation assembly is located between the two shielding assemblies, and the two shielding assemblies are used for shielding the left side edge and the right side edge of a machined cutting edge on the saw blade cutter and shielding a cutting edge below the machined cutting edge. According to the utility model, other non-target cutting edges can be prevented from being mistakenly processed when the target cutting edge on the saw blade is processed.

Description

Technical Field

[0001] The utility model relates to the field of laser processing, in particular to a laser processing protection structure. Background Art

[0002] When laser is used to process saw blade, the front and back angles of the saw blade need to be processed by laser. During the processing, the laser is usually emitted downward. During the laser emission process, for example, when processing the edge of the blade on the saw blade, since the laser spot focused on the blade has an area size, part of the spot may fall on the blade of the adjacent saw blade, resulting in the misprocessing of other blades. Utility Model Content

[0003] The technical problem to be solved by the utility model is to solve at least one of the technical problems mentioned above.

[0004] The solution of the utility model to solve the technical problem is:

[0005] A laser processing protection structure comprises a frame, a mounting assembly, a clamping assembly and two shielding assemblies; the mounting assembly is used to fix a hole in the middle of a saw blade so that the axis of the saw blade extends in the left-right direction; the clamping assembly is arranged on the frame, and the clamping assembly is used to clamp the saw blade to prevent relative movement between the saw blade and the mounting assembly; the two shielding assemblies are respectively arranged on the frame, and the saw blade installed on the mounting assembly is located between the two shielding assemblies, and the two shielding assemblies are used to shield the left and right edges of the processed blade on the saw blade and the blade below the processed blade.

[0006] As a further improvement of the above technical solution, the clamping assembly includes a left driving device, a right driving device, a left pressure block and a right pressure block. The left driving device is fixed on the frame, and the right driving device is fixed on the frame. The left pressure block is arranged at the movable part of the left driving device, and the right pressure block is arranged at the movable part of the right driving device. A clamping space is provided between the left pressure block and the right pressure block, and the left pressure block and the right pressure block are used to clamp the saw blade.

[0007] As a further improvement of the above technical solution, the left driving device includes a left cylinder, which is fixed on the frame and drives the left pressure block to move in the left and right directions.

[0008] As a further improvement of the above technical solution, the right driving device includes a right fixed seat, a right sliding sleeve, a right screw rod and a right guide rod, the right fixed seat is fixed on the frame, the right sliding sleeve is configured as a non-rotating body, the right sliding sleeve is provided with an internal thread, the right screw rod and the internal thread are matched and connected, the right fixed seat is provided with a first guide hole extending in the left and right directions, the first guide hole and the right sliding sleeve are concave-convexly adapted, the first guide hole and the right sliding sleeve can slide relative to each other, the right sliding sleeve is provided with a second guide hole, the right guide rod is inserted into the second guide hole, the right guide rod and the second guide hole can slide relative to each other, and the right sliding sleeve and the right guide rod are respectively fixedly connected to the right pressure block.

[0009] As a further improvement of the above technical solution, the right drive device also includes a rotating shaft, a knob, a first pulley, a second pulley, a synchronous belt and a pre-tensioning wheel. The rotating shaft extends in the left and right directions, and the rotating shaft and the frame can rotate relative to each other. The knob is fixed on the rotating shaft, the first pulley and the rotating shaft are coaxially connected, the second pulley and the right screw are coaxially connected, the first pulley and the second pulley are connected through a synchronous belt transmission, and the pre-tensioning wheel is arranged on the frame, and the pre-tensioning wheel is used to tighten the synchronous belt.

[0010] As a further improvement of the above technical solution, the mounting assembly includes a forward and backward movement device, a slider, a latch and a locking block, the forward and backward movement device is fixed on the frame, the slider is arranged on the forward and backward movement device, the forward and backward movement device drives the slider to move in the forward and backward directions, the latch is fixed on the slider, the latch extends in the left and right directions, the latch is used to be inserted into the hole in the middle of the saw blade, the locking block is arranged on the latch, and the locking block is used to clamp the saw blade.

[0011] As a further improvement of the above technical solution, the forward and backward movement device includes a hand-cranked screw rod, and the hand-cranked screw rod and the slider are connected by threaded fitting.

[0012] As a further improvement of the above technical solution, the shielding assembly includes a shielding cylinder, a push block, a first connecting rod, a second connecting rod and a shielding block, the shielding cylinder is fixed on the frame, the push block is fixed on the movable part of the shielding cylinder, the shielding cylinder drives the push block to reciprocate in the left and right directions, the first connecting rod and the push block are hinged, the second connecting rod and the first connecting rod are hinged, the second connecting rod is provided with a mounting hole that penetrates the push block in the left and right directions, the second connecting rod is provided with a slit, the depth of the slit penetrates the second connecting rod in the left and right directions, one end of the slit is connected to the mounting hole, the other end of the slit and the shielding block are provided with a mounting rod, the mounting rod is inserted into the mounting hole, the second connecting rod is made of elastic material, the slit is locked by a screw so that the width of the slit can be reduced, so that the inner diameter of the mounting hole is reduced to clamp the mounting rod, and the shielding block is used to resist the saw blade.

[0013] As a further improvement of the above technical solution, the laser processing protection structure also includes a dust suction pipe, which is fixed on the frame, and the dust suction hole of the dust suction pipe faces the saw blade.

[0014] As a further improvement of the above technical solution, a protruding block is provided on one or both of the shielding blocks in the two shielding components; when one protruding block is provided and is provided on one of the shielding blocks, the protruding block is used to be inserted between two adjacent blades on the saw blade to shield the blade below the laser-processed blade; when two protruding blocks are provided and the two protruding blocks are respectively provided on the two shielding blocks, when the two shielding blocks are against the left and right sides of the saw blade, the two protruding blocks are in contact with each other, and the two protruding blocks are inserted between two adjacent blades on the saw blade to shield the blade below the laser-processed blade.

[0015] The beneficial effects of the utility model are as follows: the saw blade can be temporarily installed on the mounting assembly. The mounting assembly is used to temporarily fix the hole in the middle of the saw blade, so that the saw blade can only rotate relative to the mounting assembly around the axis of the hole in the middle of the saw blade. The saw blade is clamped and fixed by the clamping assembly, which can limit the freedom of rotation of the saw blade relative to the mounting assembly. After the clamping assembly clamps the saw blade clamp block, and before the laser processes the blade on the saw blade, the two shielding assemblies can be used to clamp the left and right sides of the blade of the saw blade between the two shielding assemblies from the left and right directions respectively, effectively avoiding the problem of mistakenly processing other blades on the saw blade when the laser spot is focused on the edges of the blade on both sides. In addition, the two shielding assemblies also shield the blade below the processed blade to avoid the laser from mistakenly processing other blades when processing along the front and back directions.

[0016] The utility model can avoid the mistaken processing of other non-target blades when processing the target blade on the saw blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The laser processing protection structure of the utility model is installed with the saw blade after the axle measurement Figure 1 ;

[0018] Figure 2 The laser processing protection structure of the utility model is installed with the saw blade after the axle measurement Figure 2 ;

[0019] Figure 3 It is a rear front view of the frame, the right drive device and a shielding component on the right side of the utility model;

[0020] Figure 4 It is an axonometric diagram of the frame, the right drive device and a shielding component on the right side of the utility model;

[0021] Figure 5 It is a top view of the laser processing protection structure of the utility model;

[0022] Figure 6 It is an axonometric diagram of the laser processing protection structure of the utility model.

[0023] In the accompanying drawings: 1-frame, 211-hand-cranked screw, 22-slider, 23-latch, 24-locking block, 311-left cylinder, 321-right fixed seat, 322-right sliding sleeve, 323-right screw, 324-right guide rod, 325-rotating shaft, 326-knob, 327-first pulley, 328-second pulley, 329-synchronous belt, 3210-pretensioning wheel, 33-left pressure block, 34-right pressure block, 41-blocking cylinder, 42-push block, 43-first connecting rod, 44-second connecting rod, 45-blocking block, 451-protruding block, 452-mounting rod, 5-dust suction pipe, 6-saw blade. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the above briefly describes the drawings required for use in the description of the embodiments. Obviously, the drawings described are only part of the embodiments of the present invention, not all of them. Those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative work.

[0025] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships mentioned in the text do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the utility model can be combined interchangeably without conflicting with each other.

[0026] Reference Figure 1 to Figure 6 A laser processing protection structure comprises a frame 1, a mounting assembly, a clamping assembly and two shielding assemblies; the mounting assembly is used to fix the hole in the middle of the saw blade 6 so that the axis of the saw blade 6 extends in the left-right direction; the clamping assembly is arranged on the frame 1, and the clamping assembly is used to clamp the saw blade 6 to prevent relative movement between the saw blade 6 and the mounting assembly; the two shielding assemblies are respectively arranged on the frame 1, and the saw blade 6 installed on the mounting assembly is located between the two shielding assemblies, and the two shielding assemblies are used to shield the left and right edges of the processed blade on the saw blade 6 and the blade below the processed blade.

[0027] As can be seen from the above, the saw blade 6 can be temporarily installed on the mounting assembly. The mounting assembly is used to temporarily fix the hole in the middle of the saw blade 6, so that the saw blade 6 can only rotate around the axis of the hole in the middle of the saw blade 6 relative to the mounting assembly. The saw blade 6 is clamped and fixed by the clamping assembly, which can limit the freedom of rotation of the saw blade 6 relative to the mounting assembly. After the clamping assembly clamps the saw blade 6 clamp block, and before the laser processes the blade on the saw blade 6, the left and right sides of the blade of the saw blade 6 between the two shielding assemblies can be clamped from the left and right directions respectively by two shielding assemblies, effectively avoiding the problem of mistakenly processing other blades on the saw blade 6 when the laser spot is focused on the two side edges of the blade. In addition, the two shielding assemblies also shield the blade below the processed blade to avoid the laser from mistakenly processing other blades when processing along the front and back directions.

[0028] In some embodiments, the clamping assembly includes a left drive device, a right drive device, a left pressure block 33 and a right pressure block 34, the left drive device is fixed on the frame 1, the right drive device is fixed on the frame 1, the left pressure block 33 is arranged at the movable part of the left drive device, the right pressure block 34 is arranged at the movable part of the right drive device, a clamping space is arranged between the left pressure block 33 and the right pressure block 34, and the left pressure block 33 and the right pressure block 34 are used to clamp the saw blade 6. In actual use, the left drive device and the right drive device respectively drive the left pressure block 33 and the right pressure block 34 to move in the left and right directions, so that the left pressure block 33 and the right pressure block 34 can move relatively close to or away from each other, thereby determining the position of clamping the saw blade 6, or adjusting whether to clamp the saw blade 6.

[0029] In some embodiments, the left driving device includes a left cylinder 311, which is fixed to the frame 1, and drives the left pressure block 33 to move in the left-right direction. The left cylinder 311 can be used to drive the left pressure block 33 to move in the left-right direction, so that the left pressure block 33 presses the saw blade 6 on the right pressure block 34. The structure is simple and easy to set.

[0030] In some embodiments, the right driving device includes a right fixed seat 321, a right sliding sleeve 322, a right screw rod 323 and a right guide rod 324, the right fixed seat 321 is fixed on the frame 1, the right sliding sleeve 322 is set as a non-rotating body, the right sliding sleeve 322 is provided with an internal thread, the right screw rod 323 and the internal thread are matched and connected, the right fixed seat 321 is provided with a first guide hole extending in the left and right directions, the first guide hole and the right sliding sleeve 322 are matched in a concave-convex manner, the first guide hole and the right sliding sleeve 322 can slide relative to each other, the right sliding sleeve 322 is provided with a second guide hole, the right guide rod 324 is inserted in the second guide hole, the right guide rod 324 and the second guide hole can slide relative to each other, and the right sliding sleeve 322 and the right guide rod 324 are respectively fixedly connected to the right pressure block 34. When in use, the right screw rod 323 rotates, and the right screw rod 323 and the right sleeve 322 are threadedly matched. At the same time, since the right sleeve 322 is a non-rotating body, the freedom of rotation of the right sleeve 322 is limited, so that the right sleeve 322 moves linearly along the length direction of the right screw rod 323. The right guide rod 324 is provided to further improve the stability of the right pressure block 34 moving in the left and right directions.

[0031] In some embodiments, the right drive device further includes a rotating shaft 325, a knob 326, a first pulley 327, a second pulley 328, a synchronous belt 329 and a pre-tensioning wheel 3210, the rotating shaft 325 extends in the left-right direction, the rotating shaft 325 and the frame 1 can rotate relatively, the knob 326 is fixed on the rotating shaft 325, the first pulley 327 and the rotating shaft 325 are coaxially connected, the second pulley 328 and the right screw rod 323 are coaxially connected, the first pulley 327 and the second pulley 328 are connected by a synchronous belt 329, and the pre-tensioning wheel 3210 is arranged on the frame 1, and the pre-tensioning wheel 3210 is used to press the synchronous belt 329. When in use, the operator can rotate the knob 326, and the right screw rod 323 can be driven to rotate under the transmission action of the first pulley 327, the second pulley 328, the synchronous belt 329 and the rotating shaft 325.

[0032] In some embodiments, the mounting assembly includes a forward and backward motion device, a slider 22, a latch 23 and a locking block 24, wherein the forward and backward motion device is fixed to the frame 1, the slider 22 is disposed on the forward and backward motion device, the forward and backward motion device drives the slider 22 to move in the forward and backward direction, the latch 23 is fixed to the slider 22, the latch 23 extends in the left and right direction, the latch 23 is used to be inserted into the hole in the middle of the saw blade 6, the locking block 24 is disposed on the latch 23, and the locking block 24 is used to clamp the saw blade 6. When in use, the operator can put the hole in the middle of the saw blade on the latch 23, and tighten the locking block 24 through the threaded cooperation of the locking block 24 and the latch 23, so that the saw blade 6 is clamped between the locking block 24 and the slider 22.

[0033] In some embodiments, the forward and backward motion device includes a hand-cranked screw 211, and the hand-cranked screw 211 and the slider 22 are connected by threaded engagement. When in use, the position of the slider 22 along the forward and backward direction is adjusted by the hand-cranked screw 211, thereby adjusting the position of the saw blade 6 clamped by the clamping assembly. Preferably, the clamping assembly is used to clamp the edge of the saw blade 6 to ensure that the saw blade 6 is clamped stably.

[0034] In some embodiments, the shielding assembly includes a shielding cylinder 41, a push block 42, a first connecting rod 43, a second connecting rod 44 and a shielding block 45, wherein the shielding cylinder 41 is fixed to the frame 1, the push block 42 is fixed to the movable part of the shielding cylinder 41, the shielding cylinder 41 drives the push block 42 to reciprocate in the left and right directions, the first connecting rod 43 is hinged to the push block 42, the second connecting rod 44 is hinged to the first connecting rod 43, and the second connecting rod 44 is provided with a The second connecting rod 44 is provided with a slit, the depth of which penetrates the second connecting rod 44 in the left-right direction, one end of the slit is connected to the mounting hole, the other end of the slit and the shielding block 45 are provided with a mounting rod 452, the mounting rod 452 is inserted in the mounting hole, the second connecting rod 44 is made of elastic material, the slit is tightened by screws so that the width of the slit can be reduced, so that the inner diameter of the mounting hole is reduced to clamp the mounting rod 452, and the shielding block 45 is used to resist the saw blade 6. The first connecting rod 43 and the second connecting rod 44 are hinged, and there is a certain friction force in the hinge between the first connecting rod 43 and the second connecting rod 44. After the relative position of the first connecting rod 43 and the second connecting rod 44 is manually adjusted, the relative position of the two can be maintained by relying on the friction force. Similarly, the first connecting rod 43 and the push block 42 are hinged. Since there is a certain friction between the first connecting rod 43 and the push block 42, after the relative position between the first connecting rod 43 and the push block 42 is manually adjusted, the relative position between the two can be maintained by relying on the friction.

[0035] In actual use, the saw blade 6 is arranged between the two shielding blocks 45, and the two left and right shielding components are arranged in mirror images of each other.

[0036] In some embodiments, the laser processing protection structure further includes a dust suction pipe 5, the dust suction pipe 5 is fixed on the frame 1, and the dust suction hole of the dust suction pipe 5 faces the saw blade 6. The dust suction hole of the dust suction pipe 5 faces the saw blade 6 means that the dust suction hole of the dust suction pipe 5 faces the saw blade 6 installed on the mounting assembly. In actual use, the dust suction hole is set below the shielding assembly, and during the laser processing, the debris generated by the laser processing is sucked away through the dust suction hole.

[0037] In some embodiments, a protruding block 451 is provided on one or both of the shielding blocks 45 of the two shielding assemblies; when one protruding block 451 is provided and is provided on one of the shielding blocks 45, the protruding block 451 is used to be inserted between two adjacent blades on the saw blade 6 to shield the blade below the blade processed by the laser; when two protruding blocks 451 are provided and the two protruding blocks 451 are respectively provided on the two shielding blocks 45, when both shielding blocks 45 are against the left and right sides of the saw blade 6, the two protruding blocks 451 are in contact with each other, and both protruding blocks 451 are inserted between two adjacent blades on the saw blade 6 to shield the blade below the blade processed by the laser. By providing the protruding block 451, the lower part of the front edge of the blade is shielded to prevent the laser from mistakenly processing the lower blade when processing the front edge.

[0038] The preferred implementation modes of the present invention are specifically described above, but the present invention is not limited to the described embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A laser processing protection structure, comprising a frame (1), characterized in that: Also includes: A mounting assembly, the mounting assembly being used to fix the hole in the middle of the saw blade (6) so that the axis of the saw blade (6) extends in the left-right direction; A clamping assembly, the clamping assembly being arranged on the frame (1), the clamping assembly being used to clamp the saw blade (6) so as to prevent relative movement between the saw blade (6) and the mounting assembly; Two shielding assemblies, the two shielding assemblies are respectively arranged on the frame (1), the saw blade (6) installed on the installation assembly is located between the two shielding assemblies, and the two shielding assemblies are used to shield the left and right edges of the processed blade on the saw blade (6) and to shield the blade below the processed blade.

2. The laser processing protection structure according to claim 1, characterized in that: The clamping assembly comprises a left driving device, a right driving device, a left pressure block (33) and a right pressure block (34); the left driving device is fixed on the frame (1); the right driving device is fixed on the frame (1); the left pressure block (33) is arranged on the movable part of the left driving device; the right pressure block (34) is arranged on the movable part of the right driving device; a clamping space is provided between the left pressure block (33) and the right pressure block (34); the left pressure block (33) and the right pressure block (34) are used to clamp the saw blade (6).

3. The laser processing protection structure according to claim 2, characterized in that: The left driving device comprises a left cylinder (311), wherein the left cylinder (311) is fixed on the frame (1), and the left cylinder (311) drives the left pressing block (33) to move in the left-right direction.

4. The laser processing protection structure according to claim 2, characterized in that: The right driving device comprises a right fixed seat (321), a right sliding sleeve (322), a right screw rod (323) and a right guide rod (324); the right fixed seat (321) is fixed on the frame (1); the right sliding sleeve (322) is set as a non-rotating body; an internal thread is arranged in the right sliding sleeve (322); the right screw rod (323) and the internal thread are connected in a matching manner; a first guide hole extending in the left-right direction is provided on the right fixed seat (321); the first guide hole and the right sliding sleeve (322) are concave-convexly matched; the first guide hole and the right sliding sleeve (322) can slide relative to each other; a second guide hole is provided on the right sliding sleeve (322); the right guide rod (324) is inserted into the second guide hole; the right guide rod (324) and the second guide hole can slide relative to each other; the right sliding sleeve (322) and the right guide rod (324) are respectively fixedly connected to the right pressing block (34).

5. The laser processing protection structure according to claim 4, characterized in that: The right driving device further comprises a rotating shaft (325), a knob (326), a first pulley (327), a second pulley (328), a synchronous belt (329) and a pre-tensioning wheel (3210); the rotating shaft (325) extends in the left-right direction; the rotating shaft (325) and the frame (1) can rotate relative to each other; the knob (326) is fixed on the rotating shaft (325); the first pulley (327) and the rotating shaft (325) are coaxially connected in transmission; the second pulley (328) and the right screw rod (323) are coaxially connected in transmission; the first pulley (327) and the second pulley (328) are connected in transmission via a synchronous belt (329); the pre-tensioning wheel (3210) is arranged on the frame (1); and the pre-tensioning wheel (3210) is used for pressing the synchronous belt (329).

6. The laser processing protection structure according to claim 1, characterized in that: The mounting assembly comprises a forward and backward movement device, a slider (22), a latch (23) and a locking block (24); the forward and backward movement device is fixed on the frame (1); the slider (22) is arranged on the forward and backward movement device; the forward and backward movement device drives the slider (22) to move in the forward and backward direction; the latch (23) is fixed on the slider (22); the latch (23) extends in the left and right direction; the latch (23) is used to be inserted into a hole in the middle of the saw blade (6); the locking block (24) is arranged on the latch (23); the locking block (24) is used to clamp the saw blade (6).

7. The laser processing protection structure according to claim 6, characterized in that: The forward and backward motion device comprises a hand-cranked screw rod (211), and the hand-cranked screw rod (211) and the sliding block (22) are connected via threaded engagement.

8. The laser processing protection structure according to claim 1, characterized in that: Each of the shielding components comprises a shielding cylinder (41), a push block (42), a first connecting rod (43), a second connecting rod (44) and a shielding block (45); the shielding cylinder (41) is fixed on the frame (1); the push block (42) is fixed on the movable part of the shielding cylinder (41); the shielding cylinder (41) drives the push block (42) to reciprocate in the left-right direction; the first connecting rod (43) and the push block (42) are hingedly connected; the second connecting rod (44) and the first connecting rod (43) are hingedly connected; a first connecting rod (43) and a second connecting rod (44) are provided on the second connecting rod (44) and penetrate the push block in the left-right direction; (42), a slit is provided on the second connecting rod (44), the depth of the slit passes through the second connecting rod (44) in the left-right direction, one end of the slit is connected to the mounting hole, and the other end of the slit and the blocking block (45) are provided with a mounting rod (452), the mounting rod (452) is inserted into the mounting hole, the second connecting rod (44) is made of elastic material, the slit is locked by screws so that the width of the slit can be reduced, so that the inner diameter of the mounting hole is reduced to clamp the mounting rod (452), and the blocking block (45) is used to resist the saw blade (6).

9. The laser processing protection structure according to claim 1, characterized in that: The laser processing protection structure also includes a dust suction pipe (5), wherein the dust suction pipe (5) is fixed on the frame (1), and the dust suction hole of the dust suction pipe (5) faces the saw blade (6).

10. The laser processing protection structure according to claim 8, characterized in that: A protruding block (451) is provided on one or both of the shielding blocks (45) of the two shielding assemblies; when one protruding block (451) is provided and is provided on one of the shielding blocks (45), the protruding block (451) is used to be inserted between two adjacent blades on the saw blade (6) to shield the blade below the blade processed by the laser; when two protruding blocks (451) are provided and the two protruding blocks (451) are respectively provided on the two shielding blocks (45), when the two shielding blocks (45) are both against the left and right side surfaces of the saw blade (6), the two protruding blocks (451) are in contact with each other, and the two protruding blocks (451) are both inserted between two adjacent blades on the saw blade (6) to shield the blade below the blade processed by the laser.

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