Dust removal equipment for coating injection molded part

Abstract

The utility model belongs to the technical field of dust removal equipment, and particularly relates to dust removal equipment for coating injection molding parts, which comprises a coating machine shell and a workbench, a dust collection groove is processed on the top surface of the workbench, the dust removal equipment further comprises a dust collection mechanism, and the dust collection mechanism comprises a negative pressure box; the adapter pipe is fixed on the coating machine shell; a hard bent pipe; the vertical cylinder is fixed on the inner top surface of the coating machine shell; the mounting frame is fixed at the bottom end of a piston rod of the vertical cylinder; the dust collection cover is fixed on the mounting frame, and the dust collection cover is positioned right above the working table; one end of the flexible pipe is communicated with the adapter pipe, and the other end of the flexible pipe is communicated with the dust collection cover; impurities bonded on the workbench are sucked away through the dust suction mechanism, the firmly bonded impurities are scraped by the scraping mechanism and then are removed by the dust suction mechanism, the reliability of follow-up work is guaranteed, and the machining efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal equipment, and in particular relates to dust removal equipment for coating injection molded parts. Background Art

[0002] The surface of the injection molded parts needs to be sprayed to improve the physical and chemical properties of the workpiece surface.

[0003] At present, a vacuum coating machine is usually used to spray the molded injection molded parts. The vacuum coating machine has a workbench for placing the injection molded parts to be coated. After the vacuum coating machine is evacuated, the injection molded parts are sprayed by the spraying equipment inside the machine.

[0004] For example, in the prior art, a Chinese utility model patent with authorization announcement number CN212093043U discloses "a vacuum coating machine", which includes a machine platform, a turntable, a scraper, a lifting assembly and a protective cover; the turntable is rotatably connected to the machine platform, and the turntable is used to carry external workpieces to be processed; the lifting assembly is arranged on the machine platform, and the lifting assembly drives the scraper to move toward or away from the turntable, and the protective cover is arranged on the machine platform, and the turntable, scraper and lifting assembly are all located inside the protective cover; the protective cover is provided with a through hole, and the through hole is connected to the external vacuum pump.

[0005] Although the vacuum coating machines in the prior art, including those mentioned above, can meet general usage requirements, there is a high probability that some paint impurities will remain on the workbench after spraying is completed. If not handled in time, subsequent operations will be affected.

[0006] In order to solve the above problems, the utility model proposes a dust removal device for coating injection molded parts. Utility Model Content

[0007] In order to solve the above problems existing in the prior art, the utility model provides a dust removal device for coating injection molded parts, which has the characteristics of being easy to use and easy to clean.

[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: a dust removal device for coating injection molded parts, comprising a coating machine housing and a workbench disposed within the coating machine housing, wherein a dust collecting groove is machined on the top surface of the workbench, and further comprising a dust collection mechanism, wherein the dust collection mechanism comprises:

[0009] A negative pressure box, fixed to the top of the coating machine housing, for generating negative pressure;

[0010] A transfer tube, the transfer tube being fixed to the coating machine housing;

[0011] A hard curved pipe, one end of which is connected to the negative pressure box and the other end of which is connected to the transfer pipe;

[0012] A vertical cylinder, the vertical cylinder being fixed to the inner top surface of the coating machine housing;

[0013] a mounting bracket fixed to the bottom end of the piston rod of the vertical cylinder;

[0014] A dust collecting hood is fixed on the mounting frame and is located directly above the workbench;

[0015] A flexible tube, one end of which is connected to the transfer tube, and the other end of which is connected to the dust collecting hood.

[0016] As a preferred technical solution of the present invention, the mounting frame includes:

[0017] A first inverted L-shaped plate, the first inverted L-shaped plate being fixed to the bottom end of the piston rod of the vertical cylinder;

[0018] A second inverted L-shaped plate, the second inverted L-shaped plate being rotatably connected to the first inverted L-shaped plate, and the dust collecting cover being fixed to the second inverted L-shaped plate;

[0019] A No. 1 driving motor is fixed to the No. 1 inverted L-shaped plate and is used for driving the No. 2 inverted L-shaped plate to flip.

[0020] As a preferred technical solution of the present invention, the negative pressure box includes:

[0021] A box body, the box body being fixed to the top end of the coating machine housing;

[0022] a porous plate fixed in the box body, used to separate the internal space of the box body into a main negative pressure chamber and a dust collecting chamber, one end of the hard elbow is connected to the dust collecting chamber;

[0023] A negative pressure fan is fixed to the top of the box body, and an air inlet of the negative pressure fan is connected to the main negative pressure chamber via an air duct.

[0024] As a preferred technical solution of the present invention, the negative pressure box further includes:

[0025] A dust box is installed in the dust collecting chamber by pulling out, and a disassembly opening for the dust box to pass through is processed at the end of the box body;

[0026] A single-opening door is hinged at the end of the disassembly and assembly port.

[0027] As a preferred technical solution of the utility model, it also includes:

[0028] a first fixing block, the first fixing block being fixed to a free end of the single-opening door;

[0029] a second fixing block, the second fixing block being fixed to the outer wall of the box body, and having a threaded hole processed thereon;

[0030] A manual bolt is inserted through the first fixing block and then screwed into the threaded hole through a threaded engagement method.

[0031] As a preferred technical solution of the utility model, it also includes:

[0032] A rubber sealing ring is bonded and fixed to the outer wall of the single-opening door, and when the single-opening door is in a closed state, the rubber sealing ring is squeezed by the box body.

[0033] As a preferred technical solution of the present invention, the outer wall of the dust collecting box abuts against the inner wall of the dust collecting chamber.

[0034] As a preferred technical solution of the utility model, a scraping mechanism is also included, and the scraping mechanism includes:

[0035] A second drive motor, the second drive motor being fixed in the coating machine housing near the workbench;

[0036] The scraper is fixed on the output shaft of the second driving motor, and the bottom end of the scraper is at the same height as the top surface of the workbench.

[0037] Compared with the prior art, the beneficial effects of the present invention are:

[0038] In the utility model, the dust suction mechanism is provided to suck away the impurities adhered to the workbench, and the impurities adhered more firmly are scraped off by the scraping mechanism and then removed by the dust suction mechanism, thereby ensuring the reliability of subsequent work and being conducive to improving processing efficiency.

[0039] Other additional advantages and beneficial effects of the present invention will be partially given in the following description, and partially become obvious from the following description, or be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0041] Figure 1 It is a structural diagram of the utility model;

[0042] Figure 2This is a schematic diagram of the axonometric structure of the dust collection mechanism in the present invention;

[0043] Figure 3 This is a schematic diagram of the partial cross-sectional structure of the negative pressure box in the present utility model;

[0044] Figure 4 For this utility model Figure 2 A in the figure shows the enlarged structural diagram;

[0045] Figure 5 For this utility model Figure 3 The enlarged structural diagram at B in FIG.

[0046] In the figure: 1. Coating machine housing; 2. Workbench; 201. Dust collecting trough; 3. Dust suction mechanism; 31. Negative pressure box; 311. Box body; 3111. Disassembly and assembly port; 312. Perforated plate; 313. Main negative pressure chamber; 314. Dust collecting chamber; 315. Negative pressure fan; 316. Air duct; 317. Dust collecting box; 318. Single door; 3181. First fixing block; 3182. Rubber sealing ring; 319. Second fixing block; 3191. Threaded hole; 320. Manual bolt; 32. Transfer pipe; 33. Hard elbow; 34. Vertical cylinder; 35. Mounting frame; 351. No. 1 inverted L-shaped plate; 352. No. 2 inverted L-shaped plate; 353. No. 1 driving motor; 36. Dust collecting hood; 37. Flexible tube; 4. Scraping mechanism; 401. No. 2 driving motor; 402. Scraper. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0048] See also Figure 1-Figure 5 The utility model provides the following technical solutions: a dust removal device for coating injection molded parts, comprising a coating machine housing 1 and a workbench 2 arranged in the coating machine housing 1, a dust collecting groove 201 being processed on the top surface of the workbench 2, and a dust suction mechanism 3, and the dust suction mechanism 3 includes: a negative pressure box 31, a transfer tube 32, a hard bent pipe 33, a vertical cylinder 34, a mounting frame 35, a dust collecting hood 36 and a flexible tube 37.

[0049] Further, by Figure 1 and Figure 2As shown, in this embodiment, the negative pressure box 31 is fixed to the top of the coating machine housing 1 for generating negative pressure, the transfer tube 32 is fixed to the coating machine housing 1, one end of the hard elbow 33 is connected to the negative pressure box 31, and the other end is connected to the transfer tube 32, the vertical cylinder 34 is fixed to the inner top surface of the coating machine housing 1, the mounting bracket 35 is fixed to the bottom end of the piston rod of the vertical cylinder 34, the dust hood 36 is fixed on the mounting bracket 35, and the dust hood 36 is located just above the workbench 2, and one end of the flexible tube 37 is connected to the bottom end of the flexible tube 37. The transfer pipe 32 is connected to the dust hood 36 at the other end. After adopting the above scheme, when in use, first start the vertical cylinder 34 to drive the dust hood 36 to move down, so that the dust hood 36 is close to the workbench 2, and then start the negative pressure box 31 to generate negative pressure in the negative pressure box 31, and use the dust hood 36 to suck impurities on the workbench 2. After cleaning, the negative pressure box 31 stops, and the vertical cylinder 34 is started again to drive the dust hood 36 to move up and reset, and finally the injection molded part is placed on the workbench 2 for coating operation.

[0050] It should be noted that since the working principle of the vacuum coating machine is an existing technology that has been fully disclosed on the market, it will not be described in detail in this article.

[0051] Preferably, by Figure 1 、 Figure 2 and Figure 4 As shown, in this embodiment, the mounting frame 35 includes: a No. 1 inverted L-shaped plate 351, a No. 2 inverted L-shaped plate 352 and a No. 1 drive motor 353. The No. 1 inverted L-shaped plate 351 is fixed to the bottom end of the piston rod of the vertical cylinder 34, the No. 2 inverted L-shaped plate 352 is rotatably connected to the No. 1 inverted L-shaped plate 351, the dust hood 36 is fixed on the No. 2 inverted L-shaped plate 352, and the No. 1 drive motor 353 is fixed on the No. 1 inverted L-shaped plate 351, and is used to drive the No. 2 inverted L-shaped plate 352 to flip. After adopting the above scheme, when in use, the No. 1 drive motor 353 can be started to drive the No. 2 inverted L-shaped plate 352 to flip, which is used to adjust the inclination angle of the dust hood 36.

[0052] Optionally, by Figure 1-Figure 3 As shown, in this embodiment, the negative pressure box 31 includes: a box body 311, a porous plate 312 and a negative pressure fan 315. The box body 311 is fixed to the top of the coating machine housing 1, and the porous plate 312 is fixed in the box body 311, which is used to divide the internal space of the box body 311 into a main negative pressure chamber 313 and a dust collecting chamber 314. One end of the hard bent pipe 33 is connected to the dust collecting chamber 314, and the negative pressure fan 315 is fixed to the top of the box body 311, and the air inlet of the negative pressure fan 315 is connected to the main negative pressure chamber 313 through the induced draft pipe 316. After adopting the above scheme, when in use, the negative pressure fan 315 is started, and the negative pressure fan 315 uses the induced draft pipe 316 to suck the air in the main negative pressure chamber 313, so that negative pressure is generated in the box body 311, and the impurities on the workbench 2 are sucked into the dust collecting hood 36, and then enter the dust collecting chamber 314 along the flexible pipe 37.

[0053] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, the negative pressure box 31 also includes: a dust box 317 and a single-opening door 318. The dust box 317 is installed in the dust chamber 314 by pulling and sliding, and a disassembly and assembly port 3111 for the dust box 317 to pass through is processed at the end of the box body 311. The single-opening door 318 is hinged at the end of the disassembly and assembly port 3111. After adopting the above scheme, when in use, impurities entering the dust chamber 314 will fall into the dust box 317 for collection. Later, the single-opening door 318 is opened and the dust box 317 is pulled out for cleaning.

[0054] Preferably, by Figure 1-Figure 3 、 Figure 5 As shown, in this embodiment, it also includes: a first fixing block 3181, a second fixing block 319 and a manual bolt 320. The first fixing block 3181 is fixed to the free end of the single-opening door 318, and the second fixing block 319 is fixed to the outer wall of the box body 311, and a threaded hole 3191 is processed on the second fixing block 319. The manual bolt 320 passes through the first fixing block 3181 and is screwed into the threaded hole 3191 by threaded engagement. After adopting the above scheme, when in use, after the single-opening door 318 is closed, the manual bolt 320 is tightened to ensure the stability of the single-opening door 318 after closing.

[0055] Preferably, by Figure 1-Figure 3 、 Figure 5 As shown, in this embodiment, it also includes: a rubber sealing ring 3182, which is bonded and fixed to the outer wall of the single-opening door 318. When the single-opening door 318 is in a closed state, the rubber sealing ring 3182 is squeezed together with the box body 311 to ensure the sealing of the single-opening door 318 after it is closed.

[0056] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, the outer wall of the dust box 317 is against the inner wall of the dust collecting chamber 314. After adopting the above solution, the stability of the installation of the dust box 317 can be further improved, and the dust box 317 can be prevented from shaking or moving.

[0057] Preferably, by Figure 1As shown, in this embodiment, a scraping mechanism 4 is also included, and the scraping mechanism 4 includes: a No. 2 drive motor 401 and a scraper 402. The No. 2 drive motor 401 is fixed in the coating machine housing 1 at a position close to the workbench 2, and the scraper 402 is fixed on the output shaft of the No. 2 drive motor 401, and the bottom end of the scraper 402 is at the same height as the top surface of the workbench 2. After adopting the above scheme, when in use, if the impurities on the workbench 2 are firmly bonded, the No. 2 drive motor 401 is started to drive the scraper 402 to rotate. The scraper 402 will scrape off the impurities on the workbench 2 during the rotation, and the impurities will enter the dust collecting tank 201, making it convenient to use the dust collecting hood 36 to suck the impurities.

[0058] It should be noted that the negative pressure fan 315, the vertical cylinder 34, the No. 1 drive motor 353 and the No. 2 drive motor 401 are all conventional commercially available equipment with built-in power switches. Those skilled in the art can make conventional selections according to usage needs. Their working principles are common knowledge known to those skilled in the art and have been fully disclosed by the existing technology, so they will not be elaborated on in this article.

[0059] The circuit connection involved in the present invention is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0060] Components not described in detail herein are prior art.

[0061] Working principle and use process of the utility model: When using the dust removal equipment of the utility model, the vertical cylinder 34 is first started to drive the dust collecting hood 36 to move downward, so that the dust collecting hood 36 is close to the workbench 2, and then the negative pressure fan 315 is started. The negative pressure fan 315 uses the air duct 316 to suck the air in the main negative pressure chamber 313, so that a negative pressure is generated in the box body 311. The impurities on the workbench 2 are sucked into the dust collecting hood 36 and then enter the dust collecting chamber 314 along the flexible tube 37;

[0062] In addition, if the impurities on the workbench 2 are firmly bonded, the second drive motor 401 is started to drive the scraper 402 to rotate. The scraper 402 will scrape off the impurities on the workbench 2 during the rotation process, and the impurities will enter the dust collecting trough 201, making it convenient to use the dust collecting hood 36 to suck the impurities into the dust collecting chamber 314.

[0063] The impurities that enter the dust collection chamber 314 will fall into the dust collection box 317 for collection. Later, the single door 318 is opened and the dust collection box 317 is pulled out for cleaning.

[0064] After cleaning is completed, the negative pressure fan 315 stops, and the vertical cylinder 34 is started again to drive the dust collecting cover 36 to move upward and reset, and finally the injection molded part is placed on the workbench 2 for coating operation;

[0065] The utility model uses the dust suction mechanism 3 to suck away impurities adhered to the workbench 2. Impurities that are adhered more firmly are scraped off by the scraping mechanism 4 and then removed by the dust suction mechanism 3, which ensures the reliability of subsequent work and is conducive to improving processing efficiency.

[0066] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A dust removal device for coating injection molded parts, comprising a coating machine housing (1) and a workbench (2) arranged in the coating machine housing (1), wherein a dust collecting groove (201) is processed on the top surface of the workbench (2), characterized in that: It also includes a dust suction mechanism (3), and the dust suction mechanism (3) includes: A negative pressure box (31), the negative pressure box (31) is fixed to the top of the coating machine housing (1) and is used to generate negative pressure; A transfer tube (32), the transfer tube (32) being fixed on the coating machine housing (1); A hard curved pipe (33), one end of which is connected to the negative pressure box (31) and the other end of which is connected to the transfer pipe (32); A vertical cylinder (34), the vertical cylinder (34) being fixed to the inner top surface of the coating machine housing (1); A mounting frame (35), wherein the mounting frame (35) is fixed to the bottom end of the piston rod of the vertical cylinder (34); A dust collecting hood (36), the dust collecting hood (36) is fixed on the mounting frame (35), and the dust collecting hood (36) is located directly above the workbench (2); A flexible tube (37), one end of the flexible tube (37) is connected to the transfer tube (32), and the other end is connected to the dust collecting hood (36).

2. The dust removal equipment for coating injection molded parts according to claim 1, characterized in that: The mounting frame (35) comprises: A first inverted L-shaped plate (351), the first inverted L-shaped plate (351) being fixed to the bottom end of the piston rod of the vertical cylinder (34); A second inverted L-shaped plate (352), the second inverted L-shaped plate (352) is rotatably connected to the first inverted L-shaped plate (351), and the dust collecting cover (36) is fixed on the second inverted L-shaped plate (352); A number one driving motor (353) is fixed on the number one inverted L-shaped plate (351) and is used to drive the number two inverted L-shaped plate (352) to flip.

3. The dust removal equipment for coating injection molded parts according to claim 1, characterized in that: The negative pressure box (31) comprises: A box body (311), the box body (311) is fixed to the top end of the coating machine housing (1); a porous plate (312), the porous plate (312) being fixed in the box (311) and being used to separate the internal space of the box (311) into a main negative pressure chamber (313) and a dust collecting chamber (314); one end of the hard curved pipe (33) being connected to the dust collecting chamber (314); A negative pressure fan (315) is fixed to the top of the box (311), and an air inlet of the negative pressure fan (315) is connected to the main negative pressure chamber (313) via an air duct (316).

4. The dust removal equipment for coating injection molded parts according to claim 3, characterized in that: The negative pressure box (31) further comprises: A dust collecting box (317), the dust collecting box (317) is installed in the dust collecting chamber (314) by pulling, and a disassembly opening (3111) for the dust collecting box (317) to pass through is processed at the end of the box body (311); A single-opening door (318) is hinged to the end of the disassembly and assembly port (3111).

5. The dust removal equipment for coating injection molded parts according to claim 4, characterized in that: Also includes: a first fixing block (3181), the first fixing block (3181) being fixed to the free end of the single-opening door (318); A second fixing block (319), the second fixing block (319) is fixed to the outer wall of the box body (311), and a threaded hole (3191) is processed on the second fixing block (319); A manual bolt (320), wherein the manual bolt (320) passes through the first fixing block (3181) and is screwed into the threaded hole (3191) by screwing.

6. The dust removal equipment for coating injection molded parts according to claim 5, characterized in that: Also includes: A rubber sealing ring (3182) is bonded and fixed to the outer wall of the single-opening door (318). When the single-opening door (318) is in a closed state, the rubber sealing ring (3182) is squeezed by the box body (311).

7. The dust removal equipment for coating injection molded parts according to claim 4, characterized in that: The outer wall of the dust collecting box (317) abuts against the inner wall of the dust collecting chamber (314).

8. The dust removal equipment for coating injection molded parts according to claim 1, characterized in that: The invention also includes a scraping mechanism (4), and the scraping mechanism (4) includes: A second drive motor (401), the second drive motor (401) being fixed in the coating machine housing (1) at a position close to the workbench (2); A scraper (402) is fixed on the output shaft of the second drive motor (401), and the bottom end of the scraper (402) is at the same height as the top surface of the workbench (2).

Images