A harness sleeve laser cutting mechanism

Abstract

The application discloses a kind of harness sleeve laser cutting mechanisms, it is related to harness sleeve laser cutting technology, including cutting rack, and the laser cutting table of fixed installation in the top rear of cutting rack;Wherein, the inside lower left and right sides of laser cutting table are provided with laser cutting device, and laser cutting device is slid in the inside of cutting rack to realize cutting operation;The inside rear of cutting rack is provided with positioning mechanism;The rear end of the inner support sleeve is inclined plane structure to facilitate the line harness sleeve is set;The inside front of cutting rack is provided with traction mechanism, and traction mechanism contains traction jaw.The harness sleeve laser cutting mechanism, by the inner support sleeve in the inside of cutting rack, the line harness sleeve is supported inside, by traction jaw auxiliary clamping line harness sleeve moves fixed length, simultaneously, laser cutting device is sucked by smoke removal mechanism when cutting, to assist to improve cutting efficiency and cutting yield.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of laser cutting of wire harness sleeves, in particular to a laser cutting mechanism for wire harness sleeves. BACKGROUND

[0002] A wire harness sleeve is a tubular material used to wrap and protect electric wires, cables or wire harnesses, which plays a role of insulation, protection and wire arrangement. The wire harness is mainly used in automobile lines, mechanical equipment lines and the like. The wire harness sleeve is mainly used to prevent the electric wires from being damaged by abrasion, extrusion or pulling, to isolate water vapor, dust, oil stains or corrosive substances, to prolong the service life of the cables, to arrange the disordered cables, to realize orderly wiring, to improve the appearance and to reduce safety hazards. The wire harness sleeve is mainly made of flexible plastic and woven cloth. According to the required protection length of the wire harness, the wire harness sleeve needs to be cut to a fixed length by laser cutting.

[0003] The application with the publication number CN114769905B discloses a kind of optical fiber workpiece metal outer sleeve laser cutting equipment and method, including cutting part, shell part, fixed part, stop rod part and send rod part, the send rod part is placed in the inside of shell part, the fixed part is placed in the bottom of cutting part, the stop rod part is placed in the rear end of fixed part, the send rod part includes sliding assembly, drive assembly and clamping assembly, the clamping assembly is placed in sliding assembly inside, the drive assembly is placed in sliding assembly one side, the drive assembly is hinged with sliding assembly, solve the existing cutting equipment needs manual auxiliary feeding and discharging, the fixed unstable of pipe material, lead to cross section not neat, low work efficiency and other problems.

[0004] The application with the publication number CN119566565A discloses a kind of cutting device and method of hot melt woven sleeve, and the laser cutting mechanism is arranged above the pressing mechanism and the material separating mechanism, and the hot melt woven sleeve is cut close to the flat shape; the material separating mechanism is used to separate the hot melt woven sleeve after cutting. The hot melt woven sleeve is locally pressed into flat shape by the pressing mechanism, to prevent the hot melt woven sleeve from moving during laser cutting. Finally, the material separating mechanism is used to separate the material to prevent the sticking phenomenon after cutting, to ensure the product quality.

[0005] However, the laser cutting mechanism for wire harness sleeves disclosed above still has the following problems in actual use: the laser cutting assembly is used to cut the wire harness sleeve after positioning, but the wire harness sleeve mainly has non-rigid structural characteristics, and is prone to bending and mispositioning under the pressure of the equipment during cutting, so that the flatness of the cutting end face of the wire harness sleeve cannot be guaranteed. Meanwhile, the end face of the cut wire harness sleeve is melted, which is prone to sticking to the positioning assembly, affecting the discharging and subsequent cutting operation.

[0006] Therefore, the laser cutting mechanism for wire harness sleeves is proposed to solve the above problems. SUMMARY

[0007] The present application aims to provide a wiring harness sleeve laser cutting mechanism, in order to solve the existing through laser cutting components for positioning after the wiring harness sleeve cutting, but such wiring harness sleeve mainly presents non-rigid structure characteristics, in the cutting process by the device pressure and then prone to bending misplacement, unable to guarantee the flatness of the wiring harness sleeve cutting end face, at the same time, the end face of the cut wiring harness sleeve is easy to melt and stick to the positioning assembly, affecting the subsequent cutting operation.

[0008] In order to achieve the above object, the present application provides the following technical scheme: a wiring harness sleeve laser cutting mechanism, comprising a cutting rack, and a laser cutting table fixedly installed at the rear of the top surface of the cutting rack;

[0009] Among them, the inside of the laser cutting table is provided with laser cutters on the left and right sides below, and the laser cutters slide in the inside of the cutting rack to realize cutting operation;

[0010] The rear of the inside of the cutting rack is provided with a positioning mechanism, and the positioning mechanism comprises a positioning bottom plate, and the top surface of the positioning bottom plate is provided with an inner supporting sleeve;

[0011] The rear end of the inner supporting sleeve is inclined to facilitate the fitting of the wiring harness sleeve, and the lower end of the wiring harness sleeve is in an open structure;

[0012] The front of the inside of the cutting rack is provided with a traction mechanism, and the traction mechanism comprises a traction clamp jaw, and the traction clamp jaw clamps and pulls the wiring harness sleeve.

[0013] Preferably, the positioning mechanism comprises a loading bottom plate, and the loading bottom plate is installed on the top surface of the positioning bottom plate by bolts, and the lower end of the inner supporting sleeve of the positioning mechanism is installed on the top surface of the positioning loading bottom plate by bolts.

[0014] Preferably, the front end of the inner supporting sleeve of the positioning mechanism is provided with a through flat groove, and the through flat groove is fitted with the wiring harness sleeve, so that the laser cutter can completely cut and separate the wiring harness sleeve.

[0015] Preferably, the traction mechanism comprises a traction bottom plate, and the traction bottom plate is fixedly installed at the front of the inside of the cutting rack, and the top surface of the traction bottom plate is slidably installed with a traction sliding plate, and the lower end of the traction clamp jaw is fixedly installed on the top surface of the traction sliding plate, and the traction clamp jaw corresponds to the inner supporting sleeve.

[0016] Preferably, the traction mechanism comprises a traction cylinder, and the traction cylinder is fixedly installed at the lower end of the traction clamp jaw, and the extension part of the upper end of the traction cylinder is connected to the upper end of the traction clamp jaw, and the upper and lower ends of the traction clamp jaw are connected by the traction spring, and the traction cylinder is connected with the air pump.

[0017] Preferably, the traction mechanism comprises traction supports, which are fixedly installed on the front and rear sides of the rear end of the top surface of the traction base plate, and the upper ends of the traction supports extend to the left and right ends of the cutting frame, and the upper ends of the traction supports are fixedly installed with abutting inclined blocks.

[0018] Preferably, the traction mechanism comprises a blanking plate, which is slidingly installed between the positioning base plate and the traction base plate, and the outer end of the blanking plate slidingly penetrates the traction slide rod through the return spring, the traction slide rod is fixedly installed on the left and right sides inside the cutting frame, and the outer end of the blanking plate is attached to the bottom surface of the abutting inclined block for downward sliding to extrude the wiring harness sleeve after cutting.

[0019] Preferably, the top surface of the laser cutting table is provided with a smoke removal mechanism, and the smoke removal mechanism comprises negative pressure sleeves fixedly installed on the left and right sides of the top surface of the laser cutting table, the inner end of the negative pressure sleeve is slidingly installed with a sealing plug rod, the lower end of the sealing plug rod is fixedly connected to the upper end of the laser cutter, and the outer side of the laser cutter is installed with a smoke suction nozzle.

[0020] Preferably, the smoke removal mechanism comprises a filter purifier, which is fixedly installed at the rear of the top surface of the laser cutting table, and the filter purifier and the outer end of the negative pressure sleeve are mutually penetrated through the one-way exhaust hose.

[0021] Preferably, the smoke removal mechanism comprises a one-way air suction hose, and the lower end of the one-way air suction hose is connected to the upper end of the smoke suction nozzle, and the upper end of the one-way air suction hose is connected to the outer end of the negative pressure sleeve, and the negative pressure is transmitted to the smoke suction nozzle through the one-way air suction hose to suck the cutting smoke.

[0022] Compared with the prior art, the wiring harness sleeve laser cutting mechanism has the following beneficial effects: the wiring harness sleeve is supported inside by the inner support sleeve inside the cutting frame, the wiring harness sleeve is moved and fixed in length with the aid of the traction clamping jaw, and the smoke is sucked by the smoke removal mechanism during cutting, thereby assisting in improving the cutting efficiency and the cutting yield, and the specific contents are as follows:

[0023] 1. By sleeving the corresponding wiring harness sleeve outside the inner support sleeve from the rear to the front, the opening at the bottom end of the wiring harness sleeve enables it to penetrate the inner support sleeve, and the rear inclined surface structure of the inner support sleeve improves the smoothness of the sleeving when the wiring harness sleeve contacts the inner support sleeve, and the front end of the wiring harness sleeve completely covers the inner support sleeve, so as to facilitate subsequent traction and length fixing operations.

[0024] 2. The traction slide plate above the traction base plate drives the traction clamping jaw to slide backward, and the upper and lower sides of the rear end of the traction clamping jaw move to the inner and outer sides of the front end of the traction sleeve, respectively. Then the air pump outside the cutting frame operates, and the pressure is transmitted to the inside of the traction cylinder, and the upper end of the traction cylinder is in contact with the upper end of the traction clamping jaw, so that the upper and lower sides of the rear end of the traction clamping jaw are combined, and the contacted wire harness sleeve is clamped. Then the traction slide plate drives the traction clamping jaw and the clamped wire harness sleeve to slide forward synchronously, so as to determine the required cutting length of the wire harness sleeve.

[0025] 3. The laser cutter inside the laser cutting table slides synchronously to the inside, and drives the sealing plug rod to slide to the inner end of the negative pressure sleeve, so as to increase the cavity of the negative pressure sleeve to make it in a negative pressure state. Then the negative pressure of the negative pressure sleeve is transmitted to the inside of the smoke suction nozzle through the one-way air suction hose, to assist in sucking the smoke generated during the movement cutting of the laser cutter.

[0026] Further, when the cutting operation is completed, the laser cutter moves outward to reset, and drives the sealing plug rod to extrude the smoke inside the negative pressure sleeve, which is transported to the inside of the filter purifier through the one-way air exhaust hose for purification and filtration.

[0027] Further, the laser cutter emits a vertical downward laser beam, which penetrates through the penetrating flat groove at the front end of the inner support sleeve inside the wire harness sleeve, to cut the wire harness sleeve. The lower open wire harness sleeve is not blocked by the inner support sleeve, avoiding incomplete cutting and affecting separation.

[0028] 4. The wire harness sleeve after cutting is separated by the expansion of the traction clamping jaw. Part of the wire harness sleeve is adhered to the traction clamping jaw, and when moving backward, it is extruded by the abutting inclined block below the traction support, so that the blanking press plate slides downward and then abuts against the unseparated wire harness sleeve, thereby assisting the mutual separation of the wire harness sleeve and the traction clamping jaw.

[0029] Further, when the traction clamping jaw is clamped and pulled again, the blanking press plate is still driven to slide downward and abut again, and the abutted wire harness sleeve is limited by the traction clamping jaw, thereby assisting in detecting the firmness of the clamped wire harness sleeve, so as to avoid misalignment affecting cutting. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0031] Figure 2 It is a schematic diagram of the structure after the traction slide plate slides;

[0032] Figure 3 It is a schematic diagram of the structure of the wire harness sleeve installation;

[0033] Figure 4 For the present application Figure 3 Enlarged structural diagram of A in the present application;

[0034] Figure 5 For the present application

[0035] Figure 6 For the present application

[0036] Figure 7 For the present application Figure 6 Enlarged structural diagram of B in the present application;

[0037] Figure 8 For the present application

[0038] Figure 9 For the present application Figure 8 Enlarged structural diagram of C in the present application;

[0039] Figure 10 For the present application

[0040] Figure 11 For the present application Figure 10 Enlarged structural diagram of D in the present application.

[0041] In the figure: 1, cutting frame; 2, laser cutting table; 3, laser cutter; 4, positioning bottom plate; 5, inner support sleeve; 6, wire harness sleeve; 7, traction clamping jaw; 8, loading bottom plate; 9, through flat groove; 10, traction bottom plate; 11, traction sliding plate; 12, traction cylinder; 13, traction spring; 14, traction support; 15, abutting inclined block; 16, blanking press plate; 17, reset spring; 18, traction sliding rod; 19, negative pressure sleeve; 20, sealing plug rod; 21, flue gas suction nozzle; 22, filter purifier; 23, one-way exhaust hose; 24, one-way suction hose; 25, air pump. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0043] Please refer to Figures 1-11 The present application provides the following technical solutions:

[0044] Embodiment 1: In order to solve the problems existing in the existing wire harness sleeve 6 during laser cutting, the technical scheme is disclosed as follows. A wire harness sleeve laser cutting mechanism is provided with a positioning mechanism at the rear of the inside of a cutting rack 1, and the positioning mechanism comprises a positioning bottom plate 4, and the top surface of the positioning bottom plate 4 is provided with an inner support sleeve 5; the rear end of the inner support sleeve 5 is in a bevel structure to facilitate the sleeving of the wire harness sleeve 6, and the lower end of the wire harness sleeve 6 is in an open structure; the positioning mechanism comprises a loading bottom plate 8, and the loading bottom plate 8 is installed on the top surface of the positioning bottom plate 4 by bolts, and the lower end of the inner support sleeve 5 comprised by the positioning mechanism is installed on the top surface of the loading bottom plate 8 by bolts at equal distances; the front end of the inner support sleeve 5 comprised by the positioning mechanism is provided with a through flat groove 9, and the through flat groove 9 is sleeved by the wire harness sleeve 6 to facilitate the complete cutting and separation of the wire harness sleeve 6 by a laser cutter 3.

[0045] As shown in Figures 6-7 , when the wire harness sleeve 6 needs to be cut, first, the end of the wire harness sleeve 6 is inserted into the outer wall of the inner support sleeve 5 above the inside of the cutting rack 1, and the lower end of the wire harness sleeve 6 is in an open structure to facilitate the contact with the bevel structure at the rear end of the inner support sleeve 5, and then the wire harness sleeve 6 is sleeved on the outer wall of the inner support sleeve 5, and the open lower end of the wire harness sleeve 6 can slide on the outer wall of the inner support sleeve 5, and then the front end of the wire harness sleeve 6 extends to the outside of the front end of the inner support sleeve 5, and the through flat groove 9 is wrapped to facilitate subsequent laser cutting.

[0046] Embodiment 2: In order to solve the problems existing in the existing wire harness sleeve 6 during laser cutting, the technical scheme is disclosed as follows. A cutting rack 1 is provided with a traction mechanism at the front of the inside, and the traction mechanism comprises a traction clamp jaw 7, and the traction clamp jaw 7 clamps and pulls the wire harness sleeve 6; the traction mechanism comprises a traction bottom plate 10, and the traction bottom plate 10 is fixedly installed at the front of the inside of the cutting rack 1, and the top surface of the traction bottom plate 10 is slidably installed with a traction sliding plate 11, and the lower end of the traction clamp jaw 7 is fixedly installed on the top surface of the traction sliding plate 11, and the traction clamp jaw 7 corresponds to the inner support sleeve 5 one by one.

[0047] The traction mechanism comprises a traction cylinder 12, and the traction cylinder 12 is fixedly installed at the lower end of the traction clamp jaw 7, and the extension part at the upper end of the traction cylinder 12 is connected to the upper end of the traction clamp jaw 7, and the upper and lower ends of the traction clamp jaw 7 are connected to each other through a traction spring 13, and the traction cylinder 12 is connected with a gas pump 25.

[0048] As shown in Figures 8-9As shown, the traction slide plate 11 inside the cutting frame 1 is installed above the traction base plate 10. The screw inside the traction base plate 10 drives the threaded traction slide plate 11 to slide backward. The traction slide plate 11 drives the traction jaws 7 above to move towards the front end of the wire harness sleeve 6. After the rear end of the traction jaws 7 is inserted into the wire harness sleeve 6, the air pump 25 above the cutting frame 1 supplies air to the traction cylinder 12 to drive the upper and lower ends of the traction jaws 7 to close together and clamp the front end of the wire harness sleeve 6. Then, the traction slide plate 11 drives the traction jaws 7 and the clamped wire harness sleeve 6 to slide forward, thereby driving the wire harness sleeve 6 to the required cutting length. At the same time, the traction jaws 7 position the wire harness sleeve 6 to prevent misalignment and bending during the cutting process.

[0049] Example 3: To solve the problems existing in the laser cutting of the wire harness sleeve 6, this example discloses the following technical solution, including a cutting frame 1 and a laser cutting table 2 fixedly installed behind the top surface of the cutting frame 1; wherein, laser cutters 3 are provided on both the lower left and right sides of the inside of the laser cutting table 2, and the laser cutters 3 slide inside the cutting frame 1 to perform cutting operations; a smoke removal mechanism is provided on the top surface of the laser cutting table 2, and the smoke removal mechanism includes a negative pressure sleeve 19 fixedly installed on the left and right sides of the top surface of the laser cutting table 2, and a sealing plug rod 20 is slidably installed on the inner end of the negative pressure sleeve 19, and the lower end of the sealing plug rod 20 is fixedly connected to the upper end of the laser cutter 3, and a smoke extraction nozzle 21 is sleeved on the outer side of the laser cutter 3.

[0050] The smoke removal mechanism includes a filter purifier 22, which is fixedly installed behind the top surface of the laser cutting table 2. The filter purifier 22 and the outer end of the negative pressure sleeve 19 are interconnected through a one-way exhaust hose 23. The smoke removal mechanism also includes a one-way suction hose 24, the lower end of which is connected to the upper end of the smoke suction nozzle 21, and the upper end of which is connected to the inner part of the outer end of the negative pressure sleeve 19. The negative pressure is transmitted through the one-way suction hose 24 to the smoke suction nozzle 21 to draw in the cut smoke.

[0051] like Figures 3-5 As shown, when laser cutting is performed on the wire harness sleeve 6, the laser cutters 3 on the left and right sides inside the laser cutting table 2 work and slide towards the center simultaneously, thereby sending the laser beam downward to the outer wall of the wire harness sleeve 6, penetrating the through groove 9 at the front end of the inner support sleeve 5 inside the wire harness sleeve 6, and cutting the wire harness sleeve 6.

[0052] Further, the laser cutter 3 moves the fixedly connected sealing plug rod 20 to the inner end during movement, and the sealing plug rod 20 inside the negative pressure sleeve 19 increases the cavity space, at this time the cavity space is in a negative pressure state, and air is sucked from the through-connected one-way air suction hose 24 and the smoke suction nozzle 21, the smoke suction nozzle 21 corresponds to the end of the cut lower wire harness sleeve 6, and the smoke generated during cutting is sucked, so as to avoid affecting the working environment.

[0053] Further, after the laser cutter 3 completes the cutting operation, it drives the sealing plug rod 20 to slide to the outer end, so that the smoke in the negative pressure sleeve 19 is transported to the filter purifier 22 through the through-connected one-way exhaust hose 23, and the smoke generated by laser cutting is filtered and purified.

[0054] In order to solve the problem of the existing wire harness sleeve 6 during laser cutting, the traction mechanism includes a traction bracket 14, and the traction bracket 14 is fixedly installed on the front and rear sides of the top surface of the traction base plate 10 at the rear end, and the upper end of the traction bracket 14 extends to the left and right ends of the cutting rack 1, and the upper end of the traction bracket 14 is fixedly installed with a resisting inclined block 15.

[0055] As shown in Figures 10-11 When the wire harness sleeve 6 is cut, the front wire harness sleeve 6 is originally clamped by the traction clamping jaw 7, and after cutting, the traction clamping jaw 7 is loosened to assist in releasing the wire harness sleeve 6, so that the wire harness sleeve 6 after cutting falls into the cutting rack 1 to complete the discharging, and part of the fuse wire harness sleeve 6 cannot be separated from the traction clamping jaw 7.

[0056] At this time, the traction clamping jaw 7 and the unseparated wire harness sleeve 6 are moved backward by the traction sliding plate 11, and the traction bracket 14 at the rear end is driven by the traction sliding plate 11 to move, and the resisting inclined block 15 at the lower end of the traction bracket 14 is in contact with the discharging pressure plate 16, so that the discharging pressure plate 16 presses the reset spring 17 to descend along the traction sliding rod 18, and the discharging pressure plate 16 is in contact with the wire harness sleeve 6 after cutting to separate the traction clamping jaw 7 from each other, thereby assisting discharging, and the traction clamping jaw 7 slides forward after clamping the wire harness sleeve 6, at this time, the discharging pressure plate 16 still slides downward to contact the clamped wire harness sleeve 6 to detect the clamping stability, so as to avoid the wire harness sleeve 6 from loosening and affecting the laser cutting operation.

[0057] Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified, or some of the technical features can be replaced by equivalent features, by those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wiring harness sleeve laser cutting mechanism, comprising a cutting frame (1), and a laser cutting table (2) fixedly installed at the back of the top surface of the cutting frame (1); wherein The left and right sides of the inside of the laser cutting table (2) are provided with laser cutters (3), and the laser cutters (3) slide in the inside of the cutting frame (1) to realize cutting work; It is characterized in that it further comprises: The inside of the cutting frame (1) is provided with a positioning mechanism at the back, and the positioning mechanism comprises a positioning bottom plate (4), and the top surface of the positioning bottom plate (4) is provided with an inner supporting sleeve (5); The rear end of the inner supporting sleeve (5) is inclined to facilitate the sleeving of the wiring harness sleeve (6), and the lower end of the wiring harness sleeve (6) is in an open structure; The inside of the cutting frame (1) is provided with a traction mechanism at the front, and the traction mechanism comprises a traction clamp jaw (7), and the traction clamp jaw (7) clamps and pulls the wiring harness sleeve (6); The traction mechanism comprises a traction bottom plate (10), which is fixedly installed at the front of the inside of the cutting frame (1), and the top surface of the traction bottom plate (10) is slidably installed with a traction sliding plate (11), and the lower end of the traction clamp jaw (7) is fixedly installed on the top surface of the traction sliding plate (11), and the traction clamp jaw (7) corresponds to the inner supporting sleeve (5) one by one; The traction mechanism comprises a traction support (14), which is fixedly installed on the front and back of the top surface of the rear end of the traction bottom plate (10), and the upper end of the traction support (14) extends to the left and right ends of the cutting frame (1), and the upper end of the traction support (14) is fixedly installed with a resisting inclined block (15); The traction mechanism comprises a blanking press plate (16), which is slidably installed between the positioning bottom plate (4) and the traction bottom plate (10), and the outer end of the blanking press plate (16) is slidably penetrated through the traction sliding rod (18) by the reset spring (17), and the traction sliding rod (18) is fixedly installed on the left and right sides of the inside of the cutting frame (1), and the outer end of the blanking press plate (16) is connected to the bottom surface of the resisting inclined block (15), for sliding downward after cutting to extrude the wiring harness sleeve (6).

2. A harness sleeve laser cutting mechanism according to claim 1, characterized by: The positioning mechanism comprises a loading bottom plate (8), which is installed on the top surface of the positioning bottom plate (4) by bolts, and the lower end of the inner supporting sleeve (5) of the positioning mechanism is installed on the top surface of the loading bottom plate (8) by bolts at equal distances.

3. A harness sleeve laser cutting mechanism according to claim 2, characterized by: The front end of the inner supporting sleeve (5) of the positioning mechanism is provided with a through flat groove (9), and the through flat groove (9) is sleeved with the wiring harness sleeve (6) so that the laser cutter (3) can completely cut and separate the wiring harness sleeve (6).

4. A harness sleeve laser cutting mechanism according to claim 1, characterized by: The traction mechanism comprises a traction cylinder (12), which is fixedly installed at the lower end of the traction clamp jaw (7), and the upper end of the traction cylinder (12) is connected to the upper end of the traction clamp jaw (7), and the upper and lower ends of the traction clamp jaw (7) are connected to each other by the traction spring (13), and the traction cylinder (12) is connected with the air pump (25).

5. A harness sleeve laser cutting mechanism according to claim 1, characterized by: The top surface of the laser cutting table (2) is provided with a smoke removing mechanism, and the smoke removing mechanism comprises negative pressure sleeves (19) fixedly installed on the left and right sides of the top surface of the laser cutting table (2), the inner end of the negative pressure sleeve (19) is slidably installed with a sealing plug rod (20), the lower end of the sealing plug rod (20) is fixedly connected to the upper end of the laser cutting device (3), and the outer side of the laser cutting device (3) is sleeved with a smoke suction nozzle (21).

6. A harness sleeve laser cutting mechanism according to claim 5, characterized by: The smoke removing mechanism comprises a filter purifier (22), and the filter purifier (22) is fixedly installed on the top surface of the laser cutting table (2) at the back, and the filter purifier (22) and the outer end of the negative pressure sleeve (19) are mutually penetrated through a one-way exhaust hose (23).

7. A harness sleeve laser cutting mechanism according to claim 6, characterized by: The smoke removing mechanism comprises a one-way air suction hose (24), the lower end of the one-way air suction hose (24) is connected to the upper end of the smoke suction nozzle (21), and the upper end of the one-way air suction hose (24) is connected to the outer end of the negative pressure sleeve (19), and the negative pressure is transmitted to the smoke suction nozzle (21) through the one-way air suction hose (24) to suck the cutting smoke.

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