Laser cutting device for injection molded part

Abstract

The invention belongs to the technical field of laser cutting, and particularly relates to an injection molding part laser cutting device which comprises a cutting frame. The inner wall of the cutting frame is slidably connected with a first sliding plate through a first electric sliding block. A plurality of first connecting frames are fixedly connected to the outer wall of the first sliding plate; a plurality of mobile phone shell injection molding parts are sucked in a vacuum mode through a plurality of vacuum suction cups, a plurality of laser cutting heads are close to the mobile phone shell injection molding parts to conduct laser cutting, the effect of synchronous laser cutting on the mobile phone shell injection molding parts is achieved, and the machining efficiency of the mobile phone shell injection molding parts is improved; the output end of the servo motor drives one vacuum suction cup to rotate, the multiple mobile phone shell injection molding parts subjected to vacuum adsorption can be synchronously driven to rotate, rotary cutting of the mobile phone shell injection molding parts is facilitated, the multiple mobile phone shell injection molding parts are placed on the conveying box to be conveyed on the conveyor, and the function of automatic conveying and feeding of the multiple mobile phone shell injection molding parts is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of laser cutting, in particular to a laser cutting device for injection molded parts. Background Art

[0002] Injection molded parts are products made through the injection molding process. Injection molded parts are made by injecting molten plastic into the product mold under pressure, and then the injection molded parts are obtained after cooling and molding. The injection molded parts are then laser cut and trimmed before the finished product shape is revealed.

[0003] A Chinese patent with announcement number CN217290949U discloses a laser cutting device for removing excess handles of injection molded parts, including a frame on which a loading support platform, a finished product rotating support platform and a handle rotating support platform are sequentially arranged, a cutting avoidance channel is left between the finished product rotating support platform and the handle rotating support platform, and the loading support platform is fixed on the frame. This application improves the cutting efficiency of injection molded parts by allowing the finished product and the handle to be unloaded smoothly and quickly after cutting.

[0004] The above-mentioned injection molded parts laser cutting device can mainly realize accelerated feeding of finished products and materials, thereby improving the cutting efficiency of injection molded parts. When laser cutting mobile phone case injection molded parts, the current laser cutting device is usually used to cut a single mobile phone case injection molded part, and it is difficult to perform synchronous laser cutting of multiple mobile phone case injection molded parts at the same time, which easily affects the processing efficiency of mobile phone case injection molded parts.

[0005] To this end, the present invention provides an injection molded part laser cutting device. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problems is: the laser cutting device for injection molded parts described in the present invention comprises a cutting frame; the inner wall of the cutting frame is slidably connected to a sliding plate No. 1 through an electric slider No. 1; the outer wall of the sliding plate No. 1 is fixedly connected to a plurality of connecting frames No. 1; a connecting box is fixedly connected to the end of the connecting frame No. 1 away from the sliding plate No. 1; a vacuum pump is installed inside the connecting box; a plurality of vacuum suction cups are rotatably connected to the connecting box, and the plurality of vacuum suction cups are connected to the vacuum pump; a cutting assembly is arranged on the inner wall of the cutting frame, and the cutting assembly is used for laser cutting of injection molded parts vacuum-adsorbed by a plurality of vacuum suction cups.

[0008] Preferably, the cutting assembly includes a No. 2 sliding plate, a No. 2 connecting frame, a No. 3 electric slider and a laser cutting head; the No. 2 sliding plate is slidably connected to the inner wall of the cutting frame through the No. 2 electric slider; the No. 2 connecting frame is fixedly connected to the outer wall of the No. 2 sliding plate; a plurality of No. 3 electric sliders are slidably connected to the bottom end of the No. 2 connecting frame; and the laser cutting head is fixedly connected to the bottom end of the No. 3 electric slider.

[0009] Preferably, a servo motor is installed on the connection box, and an output end of the servo motor is fixedly connected to a vacuum suction cup; gears are fixedly connected to the outer walls of the plurality of vacuum suction cups; and chains are sleeved on the plurality of gears.

[0010] Preferably, a base is fixedly connected to the bottom end of the cutting frame; and a conveyor is installed on the inner wall of the cutting frame.

[0011] Preferably, a plurality of conveying boxes are fixedly connected to the conveyor; a plurality of No. 1 placement slots and No. 2 placement slots are respectively opened on the top ends of the plurality of conveying boxes, and the plurality of No. 1 placement slots and No. 2 placement slots are arranged opposite to each other.

[0012] Preferably, a collecting groove is provided in the middle of the top end of the conveying box; the collecting groove is located between the No. 1 placement groove and the No. 2 placement groove.

[0013] Preferably, a purification box is fixedly connected to the top of the No. 1 sliding plate; a filter is fixedly connected to the inner wall of the No. 1 sliding plate, and the output end of the purification box is connected to the filter.

[0014] Preferably, the purification box has a first air guide box fixedly connected to one side away from the second sliding plate, and the purification box has a second air guide box fixedly connected to the other side close to the second sliding plate; the first air guide box and the second air guide box are connected to the purification box.

[0015] Preferably, the outer wall of the purification box is fixedly connected to a fixed plate; the inner wall of the purification box is slidably connected to a filter element holder; the end of the filter element holder close to the fixed plate is fixedly connected to a fixed frame; the inner wall of the fixed frame is fixedly connected to a No. 1 magnetic block; the inner wall of the fixed plate is fixedly connected to a No. 2 magnetic block, and the No. 1 magnetic block and the No. 2 magnetic block can be magnetically attracted when they are close to each other.

[0016] Preferably, a plurality of No. 2 scrapers are fixedly connected to the inner wall of the fixed plate and located above the filter element frame; a leakage groove is opened at the bottom end of the fixed plate; and a No. 1 scraper is fixedly connected to the inner wall of the fixed plate near the leakage groove.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The laser cutting device for injection molded parts described in the present invention vacuum absorbs multiple mobile phone shell injection molded parts through multiple vacuum suction cups, and laser cuts multiple laser cutting heads close to the multiple mobile phone shell injection molded parts, thereby achieving the effect of synchronous laser cutting of multiple mobile phone shell injection molded parts and improving the processing efficiency of mobile phone shell injection molded parts. The device is installed on multiple gears by using chains, and as the output end of the servo motor drives a vacuum suction cup to rotate, multiple vacuum-absorbed mobile phone shell injection molded parts can be synchronously driven to rotate, thereby facilitating the rotary cutting of the mobile phone shell injection molded parts. Multiple mobile phone shell injection molded parts are placed on a conveying box and conveyed on a conveyor, thereby achieving the effect of automatically conveying and loading multiple mobile phone shell injection molded parts.

[0019] 2. The laser cutting device for injection molded parts described in the present invention collects waste chips generated by laser cutting of multiple mobile phone case injection molded parts through a collection groove, thereby reducing the scattering of waste chips everywhere; utilizes a purification box to extract smoke generated by laser cutting of mobile phone case injection molded parts, thereby achieving the effect of extracting and purifying harmful gases; relies on the No. 1 air guide box to cooperate with the No. 2 air guide box to discharge the purified smoke, thereby achieving the effect of air cooling of the cut mobile phone case injection molded parts and heat dissipation of the cutting body; utilizes the filter element on the filter element holder to be detachable, thereby facilitating the cleaning and replacement of the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 is a stereogram of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the conveying box in the present invention;

[0023] Figure 3 It is a structural schematic diagram of the connection box in the present invention;

[0024] Figure 4 It is a structural schematic diagram of a No. 1 sliding plate in the present invention;

[0025] Figure 5 It is a partial structural sectional view of the purification box in the present invention.

[0026] In the figure: 1. cutting frame; 11. sliding plate No. 1; 12. connecting frame No. 1; 13. connecting box; 14. vacuum suction cup; 2. sliding plate No. 2; 21. connecting frame No. 2; 22. electric slide block No. 3; 23. laser cutting head; 3. servo motor; 31. gear; 32. chain; 4. base; 41. conveyor; 5. conveying box; 51. placing slot No. 1; 52. placing slot No. 2; 6. collecting slot; 7. purification box; 71. filter screen; 8. air guide box No. 1; 81. air guide box No. 2; 9. fixing plate; 91. fixing frame; 92. filter element frame; 93. magnetic block No. 1; 94. magnetic block No. 2; 95. scraper No. 1; 96. scraper No. 2. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] like Figures 1 to 4 As shown, an injection molded part laser cutting device according to an embodiment of the present invention comprises a cutting frame 1; the inner wall of the cutting frame 1 is slidably connected to a sliding plate 11 via an electric slider; a plurality of connecting frames 12 are fixedly connected to the outer wall of the sliding plate 11; a connecting box 13 is fixedly connected to the end of the connecting frame 12 away from the sliding plate 11; a vacuum pump is installed inside the connecting box 13; a plurality of vacuum suction cups 14 are rotatably connected to the connecting box 13, and the plurality of vacuum suction cups 14 are connected to the vacuum pump; a cutting assembly is arranged on the inner wall of the cutting frame 1, and the cutting assembly is used to rotatably connect the plurality of vacuum suction cups 14 is used for laser cutting of the injection molded parts vacuum-adsorbed; when laser cutting the injection molded parts of mobile phone shells, the No. 1 electric slider on the inner wall of the cutting frame 1 slides down, and the No. 1 electric slider drives the No. 1 sliding plate 11 to slide down synchronously, and multiple mobile phone shell injection molded parts are placed on the vacuum suction cup 14, and multiple No. 1 connecting frames 12 fix the connecting box 13 at the bottom of one side of the No. 1 sliding plate 11. At this time, the vacuum pump cooperates with the multiple vacuum suction cups 14 to vacuum adsorb the multiple mobile phone shell injection molded parts, and cooperates with the cutting component to laser cut the multiple adsorbed mobile phone shell injection molded parts, which plays the role of synchronously cutting the multiple mobile phone shell injection molded parts and improves the cutting efficiency of the mobile phone shell injection molded parts.

[0029] like Figures 1 to 3As shown, the cutting assembly includes a No. 2 sliding plate 2, a No. 2 connecting frame 21, a No. 3 electric slider 22 and a laser cutting head 23; the No. 2 sliding plate 2 is slidably connected to the inner wall of the cutting frame 1 through the No. 2 electric slider; the No. 2 connecting frame 21 is fixedly connected to the outer wall of the No. 2 sliding plate 2; a plurality of No. 3 electric sliders 22 are slidably connected to the bottom end of the No. 2 connecting frame 21; the laser cutting head 23 is fixedly connected to the bottom end of the No. 3 electric slider 22; when cutting a plurality of mobile phone shell injection molded parts, the plurality of mobile phone shell injection molded parts are first vacuum adsorbed on a plurality of vacuum On the suction cup 14, the No. 1 electric slider then drives the No. 1 sliding plate 11 and the multiple mobile phone shell injection molded parts adsorbed thereon to slide up, the No. 2 electric slider drives the No. 2 sliding plate 2 to slide down, and the multiple No. 3 electric sliders 22 on the No. 2 connecting frame 21 slide synchronously therewith, the No. 2 sliding plate 2 has a built-in cutting body inside, and the output end of the cutting body is connected to the multiple laser cutting heads 23, and the multiple No. 3 electric sliders 22 respectively drive the multiple laser cutting heads 23 to perform laser cutting on the multiple mobile phone shell injection molded parts adsorbed thereon, thereby achieving the effect of synchronous laser cutting of the multiple mobile phone shell injection molded parts.

[0030] like Figures 1 to 4 As shown, a servo motor 3 is installed on the connecting box 13, and the output end of the servo motor 3 is fixedly connected to a vacuum suction cup 14; the outer walls of the plurality of vacuum suction cups 14 are fixedly connected to gears 31; and chains 32 are sleeved on the plurality of gears 31; when laser cutting a plurality of mobile phone shell injection molded parts, the output end of the servo motor 3 is used to drive a vacuum suction cup 14 to rotate, and the gear 31 on the vacuum suction cup 14 rotates synchronously, and the chain 32 is sleeved on three gears 31, and the gear 31 driven to rotate by the servo motor 3 synchronously drives other gears 31 to rotate, thereby driving the mobile phone shell injection molded parts vacuum-adsorbed on the plurality of vacuum suction cups 14 to rotate synchronously, so as to facilitate laser cutting of the mobile phone shell injection molded parts.

[0031] like Figure 1 to Figure 2 As shown, a base 4 is fixedly connected to the bottom end of the cutting frame 1; a conveyor 41 is installed on the inner wall of the cutting frame 1; when laser cutting a plurality of mobile phone shell injection molded parts, the base 4 is fixed to the bottom end support of the cutting frame 1, and the plurality of mobile phone shell injection molded parts are placed on the conveyor 41, and the conveyor 41 transports the plurality of mobile phone shell injection molded parts to the cutting position, and utilizes a plurality of vacuum suction cups 14 to vacuum adsorb the transported plurality of mobile phone shell injection molded parts, so as to facilitate the subsequent laser cutting of the mobile phone shell injection molded parts, thereby playing the role of conveying and cutting the plurality of mobile phone shell injection molded parts.

[0032] A plurality of conveying boxes 5 are fixedly connected to the conveyor 41; a plurality of No. 1 placement slots 51 and No. 2 placement slots 52 are respectively provided at the top ends of the plurality of conveying boxes 5, and the plurality of No. 1 placement slots 51 and No. 2 placement slots 52 are arranged opposite to each other; when conveying a plurality of mobile phone shell injection molded parts, the plurality of conveying boxes 5 are installed on the conveyor 41, the material of the conveying boxes 5 can be flexible material, and the plurality of mobile phone shell injection molded parts are respectively inserted into the plurality of No. 1 placement slots 51, the plurality of No. 1 placement slots 51 are used to place the mobile phone shell injection molded parts that have not been laser cut, and the plurality of No. 2 placement slots 52 are used to place the mobile phone shell injection molded parts that have been laser cut, as the conveyor 41 conveys the conveying boxes 5 to the vacuum suction cup 14, the plurality of vacuum suction cups 14 respectively adsorb the mobile phone shell injection molded parts placed on the No. 1 placement slots 51, and rely on a plurality of laser cutting heads 23 to laser cut the plurality of mobile phone shell injection molded parts respectively, after the cutting is completed, the plurality of mobile phone shell injection molded parts are respectively inserted into the No. 2 placement slots 52 for placement, so as to assist in the conveying and cutting of the mobile phone shell injection molded parts.

[0033] A collecting groove 6 is provided at the middle of the top of the conveying box 5; the collecting groove 6 is located between the No. 1 placement groove 51 and the No. 2 placement groove 52; when the mobile phone shell injection molded parts are laser cut, a large amount of waste chips will be generated due to the simultaneous cutting of multiple mobile phone shell injection molded parts. The collecting groove 6 is opened at the end of the conveying box 5, and after multiple vacuum suction cups 14 adsorb multiple mobile phone shell injection molded parts and move upward, the conveyor 41 continues to drive the conveying box 5 to convey until the collecting groove 6 is transported to the bottom of the cutting position of the mobile phone shell injection molded parts. As multiple mobile phone shell injection molded parts are laser cut, the waste chips fall into the collecting groove 6 for collection, thereby collecting the waste chips from the cutting of the mobile phone shell injection molded parts.

[0034] like Figures 1 to 5 As shown, a purification box 7 is fixedly connected to the top of the No. 1 sliding plate 11; a filter screen 71 is fixedly connected to the inner wall of the No. 1 sliding plate 11, and the output end of the purification box 7 is connected to the filter screen 71; when cutting multiple mobile phone shell injection-molded parts, since the laser cutting of multiple mobile phone shell injection-molded parts is likely to generate a large amount of smoke, the purification box 7 is fixed to the top of the No. 1 sliding plate 11, and during the laser cutting of multiple mobile phone shell injection-molded parts, the purification box 7 extracts the smoke generated by the laser cutting through the filter screen 71, and cooperates with the filter screen 71 to preliminarily filter the extracted smoke, and the smoke enters the interior of the purification box 7 and is purified and filtered again, thereby reducing the diffusion of harmful gases during the laser cutting of the mobile phone shell injection-molded parts.

[0035] like Figures 1 to 4As shown, the purification box 7 is fixedly connected to a No. 1 air guide box 8 on one side away from the No. 2 sliding plate 2, and the purification box 7 is fixedly connected to a No. 2 air guide box 81 on the other side close to the No. 2 sliding plate 2; the No. 1 air guide box 8 and the No. 2 air guide box 81 are connected to the purification box 7; when the smoke generated by laser cutting is purified, the purification box 7 extracts the smoke generated by the laser cutting of the mobile phone shell injection molded parts for purification, and the purified smoke is then discharged from the outlets on both sides of the purification box 7, and cooperates with the No. 1 air guide box 8 and the No. 2 air guide box 81 to guide the purified smoke. The smoke blown out from the No. 1 air guide box 8 can cool the mobile phone shell injection molded parts that have been cut and transported, and the smoke blown out from the No. 2 air guide box 81 can dissipate heat for the cutting body installed at the No. 2 sliding plate 2, thereby utilizing the purified smoke.

[0036] like Figures 1 to 5 As shown, the outer wall of the purification box 7 is fixedly connected with a fixing plate 9; the inner wall of the purification box 7 is slidably connected with a filter holder 92; the end of the filter holder 92 close to the fixing plate 9 is fixedly connected with a fixing frame 91; the inner wall of the fixing frame 91 is fixedly connected with a No. 1 magnetic block 93; the inner wall of the fixing plate 9 is fixedly connected with a No. 2 magnetic block 94, and the No. 1 magnetic block 93 and the No. 2 magnetic block 94 are close to each other and can be magnetically attracted; when the purification box 7 extracts the smoke generated by the laser cutting of the injection molded parts of the mobile phone shell for purification, the filter net 71 is used to perform preliminary filtration on the smoke, Subsequently, the flue gas enters the interior of the purification box 7 and is carefully filtered by the filter element installed on the filter element holder 92. The filter element holder 92 is equipped with a variety of filter elements that can effectively filter the flue gas. When a large amount of impurities are attached to the filter element, the filter element holder 92 is pulled out of the purification box 7 and the fixing plate 9 by hand, and the filter element on the filter element holder 92 is replaced and reinserted. After the fixing frame 91 is inserted into the fixing plate 9, the filter element can be fixed to the interior of the purification box 7 for use by magnetic attraction of the No. 1 magnetic block 93 and the No. 2 magnetic block 94.

[0037] A plurality of No. 2 scrapers 96 are fixedly connected to the inner wall of the fixed plate 9 and located above the filter element frame 92; a leakage groove is opened at the bottom end of the fixed plate 9; a No. 1 scraper 95 is fixedly connected to the inner wall of the fixed plate 9 near the leakage groove; when cleaning the filter element on the filter element frame 92, the fixed frame 91 can be held to pull the filter element frame 92 outward, and the filter element frame 92 is scraped by the No. 2 scraper 96 and the No. 1 scraper 95 during the process of being pulled outward and sliding, and the No. 2 scraper 96 cooperates with the No. 1 scraper 95 to scrape off the impurities on the filter element, and then the impurities fall out from the leakage groove, and then the filter element is pushed back into the interior of the purification box 7 for installation, so as to achieve the effect of cleaning and reusing the filter element.

[0038] Working process: when laser cutting the injection-molded parts of mobile phone shells, the No. 1 electric slider on the inner wall of the cutting frame 1 slides down, and the No. 1 electric slider drives the No. 1 sliding plate 11 to slide down synchronously, and multiple injection-molded parts of mobile phone shells are placed on the vacuum suction cups 14. Multiple No. 1 connecting frames 12 fix the connecting box 13 on the lower side of the No. 1 sliding plate 11. At this time, the vacuum pump cooperates with the multiple vacuum suction cups 14 to vacuum adsorb the multiple injection-molded parts of mobile phone shells, and cooperates with the cutting component to laser cut the multiple adsorbed injection-molded parts of mobile phone shells, which plays the role of synchronously cutting the multiple injection-molded parts of mobile phone shells and improves the cutting efficiency of the injection-molded parts of mobile phone shells; when cutting multiple injection-molded parts of mobile phone shells, first vacuum adsorb the multiple injection-molded parts of mobile phone shells on the multiple vacuum suction cups 14, and then the No. 1 electric slider drives the No. 1 sliding plate 11 and the adsorbed multiple injection-molded parts of mobile phone shells to slide up, and the No. 2 electric slider drives the No. 2 sliding plate 2 slides down, and the multiple No. 3 electric sliders 22 on the No. 2 connecting frame 21 slide synchronously therewith. A cutting body is built-in inside the No. 2 sliding plate 2, and the output end of the cutting body is connected to multiple laser cutting heads 23. The multiple No. 3 electric sliders 22 respectively drive the multiple laser cutting heads 23 to laser cut the multiple mobile phone shell injection molded parts adsorbed, thereby playing the role of synchronous laser cutting of multiple mobile phone shell injection molded parts; when laser cutting multiple mobile phone shell injection molded parts, the output end of the servo motor 3 is used to drive a vacuum suction cup 14 to rotate, and the gear 31 on the vacuum suction cup 14 rotates synchronously, relying on the chain 32 sleeved on the three gears 31, the gear 31 driven by the servo motor 3 to rotate synchronously drives other gears 31 to rotate, thereby driving the vacuum adsorbed mobile phone shell injection molded parts on the multiple vacuum suction cups 14 to rotate synchronously, so as to facilitate laser cutting of the mobile phone shell injection molded parts;

[0039] When laser cutting multiple mobile phone shell injection molded parts, the base 4 is fixed to the bottom end support of the cutting frame 1, and the multiple mobile phone shell injection molded parts are placed on the conveyor 41. The conveyor 41 transports the multiple mobile phone shell injection molded parts to the cutting position, and uses multiple vacuum suction cups 14 to vacuum adsorb the multiple mobile phone shell injection molded parts to facilitate the subsequent laser cutting of the mobile phone shell injection molded parts, thereby playing the role of conveying and cutting the multiple mobile phone shell injection molded parts; when conveying multiple mobile phone shell injection molded parts, multiple conveying boxes 5 are installed on the conveyor 41. The material of the conveying box 5 can be flexible material. Multiple mobile phone shell injection molded parts are respectively inserted into multiple No. 1 placement grooves 51. Multiple No. 1 placement grooves 51 are used to place mobile phone shell injection molded parts that have not been laser cut, and multiple No. 2 placement grooves 52 are used to place mobile phone shell injection molded parts that have been laser cut. As the conveyor 41 transports the conveying box 5 to the vacuum suction At the plate 14, a plurality of vacuum suction cups 14 respectively adsorb the mobile phone shell injection molded parts placed on the No. 1 placement groove 51, and rely on a plurality of laser cutting heads 23 to laser cut the plurality of mobile phone shell injection molded parts respectively. After the cutting is completed, the plurality of mobile phone shell injection molded parts are respectively inserted into the No. 2 placement groove 52 for placement, which plays a role in assisting the conveying and cutting of the mobile phone shell injection molded parts; when the mobile phone shell injection molded parts are laser cut, a large amount of waste chips will be generated due to the synchronous cutting of the plurality of mobile phone shell injection molded parts. A collection groove 6 is opened at the end of the conveying box 5, and after the plurality of vacuum suction cups 14 adsorb the plurality of mobile phone shell injection molded parts and move upward, the conveyor 41 continues to drive the conveying box 5 to convey until the collection groove 6 is conveyed to the bottom of the cutting position of the mobile phone shell injection molded parts. As the plurality of mobile phone shell injection molded parts are laser cut, the waste chips fall into the collection groove 6 for collection, which plays a role in collecting the waste chips from the cutting of the mobile phone shell injection molded parts;

[0040] When cutting multiple mobile phone shell injection molded parts, since laser cutting of multiple mobile phone shell injection molded parts is prone to generate a large amount of flue gas, the purification box 7 is fixed on the top of the No. 1 sliding plate 11. During the laser cutting of multiple mobile phone shell injection molded parts, the purification box 7 extracts the flue gas generated by the laser cutting through the filter 71, and cooperates with the filter 71 to preliminarily filter the extracted flue gas. After the flue gas enters the interior of the purification box 7, it is purified and filtered again, thereby reducing the diffusion of harmful gases during the laser cutting of the mobile phone shell injection molded parts; when purifying the flue gas generated by laser cutting, the purification box 7 extracts the flue gas generated by the laser cutting of the mobile phone shell injection molded parts for purification, and the purified flue gas is then discharged from the outlets on both sides of the purification box 7, and cooperates with the No. 1 air guide box 8 and the No. 2 air guide box 81 to guide the purified flue gas. The flue gas blown out from the No. 1 air guide box 8 can air-cool the mobile phone shell injection molded parts that have been cut and transported, and the flue gas blown out from the No. 2 air guide box 81 can dissipate heat to the cutting body installed at the No. 2 sliding plate 2, thereby utilizing the purified flue gas;

[0041] When the purification box 7 extracts the smoke generated by the laser cutting of the mobile phone shell injection molding parts, the filter screen 71 is used to perform preliminary filtration on the smoke, and then the smoke enters the interior of the purification box 7 and is carefully filtered by the filter element installed on the filter element frame 92. The filter element frame 92 is equipped with a variety of filter elements that can effectively filter the smoke. When a large amount of impurities are attached to the filter element, the hand-pulling fixed frame 91 drives the filter element frame 92 to be pulled out of the purification box 7 and the fixed plate 9, and the filter element on the filter element frame 92 can be replaced and reinserted. The fixed frame 91 is inserted into the fixed plate 9. After that, the filter element can be fixed inside the purification box 7 for use by relying on the magnetic attraction of the No. 1 magnetic block 93 and the No. 2 magnetic block 94; when the filter element on the filter element frame 92 is cleaned, the fixing frame 91 can be held to pull the filter element frame 92 outward, and the filter element frame 92 is scraped by the No. 2 scraper 96 and the No. 1 scraper 95 during the process of being pulled outward, and the No. 2 scraper 96 cooperates with the No. 1 scraper 95 to scrape off the impurities on the filter element, and then the impurities fall out from the leakage groove, and then the filter element is pushed back into the purification box 7 for installation, so as to achieve the effect of cleaning and reusing the filter element.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A laser cutting device for injection molded parts, characterized in that: The invention comprises a cutting frame (1); the inner wall of the cutting frame (1) is slidably connected to a sliding plate (11) via an electric slider; the outer wall of the sliding plate (11) is fixedly connected to a plurality of connecting frames (12); a connecting box (13) is fixedly connected to one end of the connecting frame (12) away from the sliding plate (11); a vacuum pump is installed inside the connecting box (13); a plurality of vacuum suction cups (14) are rotatably connected to the connecting box (13), and the plurality of vacuum suction cups (14) are connected to the vacuum pump; a cutting assembly is arranged on the inner wall of the cutting frame (1), and the cutting assembly is used for laser cutting of injection molded parts vacuum-absorbed by the plurality of vacuum suction cups (14).

2. The laser cutting device for injection molded parts according to claim 1, characterized in that: The cutting assembly comprises a No. 2 sliding plate (2), a No. 2 connecting frame (21), a No. 3 electric slider (22) and a laser cutting head (23); the No. 2 sliding plate (2) is slidably connected to the inner wall of the cutting frame (1) via the No. 2 electric slider; the No. 2 connecting frame (21) is fixedly connected to the outer wall of the No. 2 sliding plate (2); a plurality of No. 3 electric sliders (22) are slidably connected to the bottom end of the No. 2 connecting frame (21); and the laser cutting head (23) is fixedly connected to the bottom end of the No. 3 electric slider (22).

3. The laser cutting device for injection molded parts according to claim 1, characterized in that: A servo motor (3) is installed on the connection box (13), and the output end of the servo motor (3) is fixedly connected to a vacuum suction cup (14); a plurality of gears (31) are fixedly connected to the outer walls of the vacuum suction cups (14); and a chain (32) is sleeved on the plurality of gears (31).

4. The laser cutting device for injection molded parts according to claim 1, characterized in that: The bottom end of the cutting frame (1) is fixedly connected to a base (4); and a conveyor (41) is installed on the inner wall of the cutting frame (1).

5. The laser cutting device for injection molded parts according to claim 4, characterized in that: A plurality of conveying boxes (5) are fixedly connected to the conveyor (41); a plurality of No. 1 placement slots (51) and No. 2 placement slots (52) are respectively provided at the top ends of the plurality of conveying boxes (5), and the plurality of No. 1 placement slots (51) and No. 2 placement slots (52) are arranged opposite to each other.

6. The laser cutting device for injection molded parts according to claim 5, characterized in that: A collecting groove (6) is provided in the middle of the top end of the conveying box (5); the collecting groove (6) is located between the No. 1 placement groove (51) and the No. 2 placement groove (52).

7. The laser cutting device for injection molded parts according to claim 2, characterized in that: The top end of the first sliding plate (11) is fixedly connected to a purification box (7); the inner wall of the first sliding plate (11) is fixedly connected to a filter screen (71), and the output end of the purification box (7) is connected to the filter screen (71).

8. The laser cutting device for injection molded parts according to claim 7, characterized in that: A first air guide box (8) is fixedly connected to one side of the purification box (7) away from the second sliding plate (2), and a second air guide box (81) is fixedly connected to the other side of the purification box (7) close to the second sliding plate (2); the first air guide box (8) and the second air guide box (81) are in communication with the purification box (7).

9. The laser cutting device for injection molded parts according to claim 7, characterized in that: The outer wall of the purification box (7) is fixedly connected to a fixing plate (9); the inner wall of the purification box (7) is slidably connected to a filter holder (92); one end of the filter holder (92) close to the fixing plate (9) is fixedly connected to a fixing frame (91); the inner wall of the fixing frame (91) is fixedly connected to a first magnetic block (93); the inner wall of the fixing plate (9) is fixedly connected to a second magnetic block (94), and the first magnetic block (93) and the second magnetic block (94) can be magnetically attracted when they are close to each other.

10. The laser cutting device for injection molded parts according to claim 9, characterized in that: A plurality of No. 2 scrapers (96) are fixedly connected to the inner wall of the fixed plate (9) and located above the filter element frame (92); a drain groove is provided at the bottom end of the fixed plate (9); and a No. 1 scraper (95) is fixedly connected to the inner wall of the fixed plate (9) near the drain groove.

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