Punching equipment for plastic trim injection-molded part

Abstract

The utility model relates to the technical field of automobile part machining, and discloses plastic interior injection molding part punching equipment which comprises a machining table and clamping assemblies used for clamping and fixing a plastic part and arranged at the two ends of the top of the machining table. The drilling assembly is arranged in the middle of the top of the machining table, and the drilling assembly internally comprises a lifting rod used for lifting, a connecting disc and a drill bit arranged in the axial position of the bottom of the connecting disc and used for drilling; a coaming; a dust collection assembly; and a transmission assembly. According to the dust collection device, the dust collection assembly and the transmission assembly are arranged, the drilling position is surrounded and blocked through the surrounding plate and the protection plate at the bottom, chippings and dust are prevented from drifting in air and being inhaled by workers, and the body health of the workers is prevented from being affected, and the chippings and the dust can be sucked into the surrounding plate through wind power and static electricity and enter the collection box to be dissolved; cleaning is convenient, cleaning by workers is not needed, and the working intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile part processing, in particular to a punching device for plastic interior injection parts. Background Art

[0002] Automobile interior plastics include door inner panels, ceilings, seat storage grooves, etc. The involved functionality, safety, and engineering properties are very rich; during the assembly of automobile interior plastic parts, holes need to be punched in them to snap the plastics together for easy assembly.

[0003] When the existing punching device is in use, a large amount of debris and dust will be generated during punching. The dust is easy to disperse in the air and be inhaled by the staff, affecting the health of the staff. Moreover, the debris and dust will stay on the plastic parts and the workbench, and the staff needs to clean them after punching, increasing the labor intensity of the staff.

[0004] Therefore, we propose a punching device for plastic interior injection parts. Content of the Utility Model

[0005] The utility model mainly solves the technical problems of shielding and cleaning debris and dust during punching, and provides a punching device for plastic interior injection parts.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme. A punching device for plastic interior injection parts includes:

[0007] A processing table, and clamping components at both ends of the top of the processing table for clamping and fixing plastic parts;

[0008] A drilling component, which is arranged at the middle position of the top of the processing table. The drilling component includes a lifting rod for lifting, a connecting plate, and a drill bit arranged at the axial position of the bottom of the connecting plate for drilling;

[0009] A surrounding plate, which is annular and fixedly connected to the bottom position of the connecting plate. A protective plate for contacting the plastic parts is slidably connected to the bottom of the surrounding plate;

[0010] A dust suction component, which is arranged inside the connecting plate and the surrounding plate. The dust suction component includes an air pump, and the air pump is connected to the inner wall of the surrounding plate. The dust suction component also includes a fixed ring and a ball that generate static electricity through friction;

[0011] A transmission component, which is arranged inside the surrounding plate and driven by the air pump. The transmission component includes a transmission shaft, an impact fan blade, a transmission fan blade, and a gear ring.

[0012] Further, an L-shaped support frame is provided at the middle position of the top of the processing table. The fixed end of the lifting rod is fixedly connected to the bottom position of the L-shaped support frame. The connecting disk is arranged at the extending end of the lifting rod. The drill bit is rotationally connected to the axial position at the bottom end of the connecting disk through a motor. The enclosure plate is annular and is arranged at the bottom position of the connecting disk and outside the drill bit. A collection box is fixedly connected to the outer wall of the enclosure plate, and the collection box is communicated with the bottom of the inner wall of the enclosure plate. A dissolving liquid for dissolution is arranged inside the enclosure plate.

[0013] Further, a plurality of drive shafts arranged in a circular pattern are rotatably connected to the inner wall of the enclosure plate. A drive fan blade is fixedly connected to the bottom of the outer wall of the drive shaft. And an annular gear ring is rotatably connected to the inner wall of the enclosure plate. The gear ring meshes with the outer wall of the drive fan blade. And impact fan blades are fixedly connected to the outer wall of the drive shaft located at the air pump connection in a circular pattern.

[0014] Further, the fixing rings are fixedly connected to the outer wall of the drive shaft in a linear arrangement. A plurality of fixing plates arranged in a linear arrangement are fixedly connected to the inner wall of the enclosure plate. A rotating groove is formed in the fixing plate. A ball is rotatably connected to the inner wall of the rotating groove. The ball is rotatably connected to the inner wall of the fixing ring. The ball is made of rubber material, and a fur coating is arranged at the outer end of the fixing ring.

[0015] Further, an annular sliding groove is formed at the bottom of the enclosure plate. The protective plate is slidably connected to the inner wall of the annular sliding groove. A telescopic rod is fixedly connected to the top of the annular sliding groove. A return spring is sleeved on the outer wall of the telescopic rod. The other ends of the telescopic rod and the return spring are fixedly connected to the outer wall of the protective plate.

[0016] Further, a plurality of first dust suction holes arranged in a circular pattern are formed at the inner ring of the enclosure plate. The first dust suction holes are communicated with the inner wall of the enclosure plate.

[0017] Further, a plurality of second dust suction holes arranged in a circular pattern are formed at the inner ring of the enclosure plate. The second dust suction holes are slots with both ends of the cross section being arc-shaped and having a structure that is smaller inside and larger outside.

[0018] Further, a scraper is arranged at one end of the rotating groove on the fixing plate. The scraper is annular and is located at one end of the fixing plate close to the fixing ring.

[0019] Beneficial effects

[0020] The utility model provides a punching device for plastic interior injection molded parts. It has the following beneficial effects:

[0021] (1). For the punching device for plastic interior injection molded parts, through the arranged dust suction component and transmission component, the drilling area is enclosed by the enclosure plate and the protective plate at the bottom, avoiding the scattering of debris and dust in the air and being inhaled by the staff, which affects the health of the staff. And it can inhale the debris and dust into the enclosure plate and into the collection box for dissolution through wind force and static electricity, which is convenient for cleaning, without the need for the staff to clean, reducing the work intensity.

[0022] (2) The punching device for plastic interior injection-molded parts can, when debris passes through the second dust suction hole, reduce the frictional force between the two through its arc surface, as both contacts are smooth curved surfaces, thus preventing the debris from getting stuck in the second dust suction hole and affecting the dust suction effect. In addition, the structure with a smaller inner part and a larger outer part can prevent the debris and dust from overflowing from the enclosure and affecting the cleaning effect.

[0023] (3) The punching device for plastic interior injection-molded parts can, when the ball rotates, scrape the outer wall of the ball through the scraper to scrape off the debris and dust adsorbed on it, thus preventing the accumulation of debris and dust on the ball and affecting the adsorption effect. Description of the Drawings

[0024] Figure 1 is the front view of the present utility model;

[0025] Figure 2 is the cross-sectional view of the enclosure of the present utility model;

[0026] Figure 3 is the present utility model Figure 2 enlarged view of part A;

[0027] Figure 4 is the present utility model Figure 2 enlarged view of part B;

[0028] Figure 5 is the partial cross-sectional view of the enclosure in the second embodiment of the present utility model;

[0029] Figure 6 is the cross-sectional view of the fixing plate and the ball in the third embodiment of the present utility model.

[0030] Legend: 1. Processing table; 2. Clamping assembly; 3. L-shaped support frame; 4. Lifting rod; 5. Connection disk; 6. Enclosure; 7. Drill bit; 8. Protective plate; 9. Air pump; 10. Collection box; 11. Transmission shaft; 12. Impact fan blade; 13. Transmission fan blade; 14. Gear ring; 15. First dust suction hole; 16. Fixed ring; 17. Fixed plate; 18. Ball; 19. Expansion rod; 20. Return spring; 21. Second dust suction hole; 22. Scraper. Detailed Embodiments

[0031] Embodiment 1: A punching device for plastic interior injection-molded parts, as Figure 1 and Figure 2 shown, includes

[0032] a processing table 1, and a clamping assembly 2 at both ends of the top of the processing table 1 for clamping and fixing plastic parts;

[0033] The drilling assembly is arranged at the middle position on the top of the processing table 1. The drilling assembly includes a lifting rod 4 for lifting, a connecting plate 5, and a drill bit 7 for drilling arranged at the axial position at the bottom of the connecting plate 5;

[0034] The enclosure plate 6 is annular and fixedly connected to the bottom position of the connecting plate 5. A protective plate 8 for contacting the plastic part is slidably connected to the bottom of the enclosure plate 6;

[0035] The dust suction assembly is arranged inside the connecting plate 5 and the enclosure plate 6. The dust suction assembly includes an air pump 9, and the air pump 9 is connected to the inner wall of the enclosure plate 6. The dust suction assembly also includes a fixing ring 16 and a ball 18 that generate static electricity through friction;

[0036] The transmission assembly is arranged inside the enclosure plate 6 and is driven by the air pump 9. The transmission assembly includes a transmission shaft 11, an impact fan blade 12, a transmission fan blade 13, and a gear ring 14.

[0037] As Figure 2 、 Figure 3 and Figure 4 shown, an L-shaped support frame 3 is arranged at the middle position on the top of the processing table 1. The fixed end of the lifting rod 4 is fixedly connected to the bottom position of the L-shaped support frame 3. The connecting plate 5 is arranged at the extended end of the lifting rod 4. The drill bit 7 is rotationally connected to the axial position at the bottom end of the connecting plate 5 through a motor. The enclosure plate 6 is annular and is arranged at the bottom position of the connecting plate 5 and outside the drill bit 7. A collection box 10 is fixedly connected to the outer wall of the enclosure plate 6, and the collection box 10 is connected to the bottom of the inner wall of the enclosure plate 6. A dissolving liquid for dissolution is arranged inside the enclosure plate 6.

[0038] A plurality of transmission shafts 11 arranged in a circumferential arrangement are rotatably connected to the inner wall of the enclosure plate 6. A transmission fan blade 13 is fixedly connected to the bottom of the outer wall of the transmission shaft 11. An annular gear ring 14 is rotatably connected to the inner wall of the enclosure plate 6, and the gear ring 14 meshes with the outer wall of the transmission fan blade 13. The impact fan blades 12 are fixedly connected to the outer wall of the transmission shaft 11 located at the connection position of the air pump 9 in a circumferential arrangement.

[0039] The fixing rings 16 are fixedly connected to the outer wall of the transmission shaft 11 in a linear arrangement. A plurality of fixing plates 17 arranged in a linear arrangement are fixedly connected to the inner wall of the enclosure plate 6. A rotating groove is opened in the fixing plate 17. The ball 18 is rotatably connected to the inner wall of the rotating groove, and the ball 18 is rotatably connected to the inner wall of the fixing ring 16. The ball 18 is made of rubber material, and a fur coating is arranged at the outer end of the fixing ring 16.

[0040] An annular sliding groove is opened at the bottom of the enclosure plate 6. The protective plate 8 is slidably connected to the inner wall of the annular sliding groove. A telescopic rod 19 is fixedly connected to the top of the annular sliding groove. A return spring 20 is sleeved on the outer wall of the telescopic rod 19. The other ends of the telescopic rod 19 and the return spring 20 are fixedly connected to the outer wall of the protective plate 8.

[0041] A plurality of first dust suction holes 15 arranged in a circle are formed at the inner ring of the baffle 6, and the first dust suction holes 15 communicate with the inner wall of the baffle 6.

[0042] In summary, through the arranged dust suction assembly and transmission assembly, the baffle 6 and the bottom protection plate 8 are used to surround the drilling area, preventing debris and dust from spreading in the air and being inhaled by the staff, which affects the health of the staff. Moreover, the debris and dust can be inhaled into the baffle 6 and enter the collection box 10 for dissolution through wind force and static electricity, which is convenient for cleaning, eliminating the need for the staff to clean and reducing the work intensity.

[0043] Embodiment 2: On the basis of Embodiment 1, referring to Figure 5 , a plurality of second dust suction holes 21 arranged in a circle are formed at the inner ring of the baffle 6. The second dust suction holes 21 are notch-shaped with both ends of the cross-section being arc-shaped and having a structure with a smaller inner diameter and a larger outer diameter.

[0044] Through the arranged second dust suction holes 21, when the debris passes through the second dust suction holes 21, the arc surface can be used. The contact surfaces between them are all smooth curved surfaces, reducing the friction between them and preventing the debris from getting stuck in the second dust suction holes 21, which affects the dust suction effect. In addition, the structure with a smaller inner diameter and a larger outer diameter prevents the debris and dust from overflowing from the baffle 6, which affects the cleaning effect.

[0045] Embodiment 3: On the basis of Embodiment 1, referring to Figure 6 , a scraper 22 is provided at one end of the rotating groove on the fixing plate 17. The scraper 22 is annular and is located at one end of the fixing plate 17 close to the fixed ring 16.

[0046] Through the arranged scraper 22, when the ball 18 rotates, the outer wall of the ball 18 can be scraped by the scraper 22, scraping off the debris and dust adsorbed on it, preventing the accumulation of debris and dust on the ball 18, which affects the adsorption effect.

[0047] Working principle of the utility model: When drilling is required, the plastic part is clamped and fixed by the clamping assembly 2. At this time, the connecting plate 5 is driven to descend by the lifting rod 4, and then the drill bit 7 can be driven by the motor to drill the plastic part. At this time, the protective plate 8 at the bottom of the surrounding plate 6 contacts the top of the plastic part, and squeezes the telescopic rod 19 and the return spring 20 at the top, driving the protective plate 8 to slide in the annular chute to enclose the drilling area of the plastic part. At this time, the air pump 9 is turned on, and the air pump 9 can suck the drilled debris through the surrounding plate 6 and the first dust suction holes 15 thereon, and suck it into the surrounding plate 6, and enter the collection box 10 through the bottom of the surrounding plate 6 for dissolution. At this time, the wind generated at the air pump 9 impacts the impact fan blade 12, and the impact fan blade 12 is impacted and can drive the transmission fan blade 13 to rotate through the transmission shaft 11, and then drive the gear ring 14 to rotate. The rotation of the gear ring 14 can drive a plurality of transmission fan blades 13 to rotate, and then drive the fixed ring 16 to rotate through the transmission shaft 11, so as to drive the ball 18 to rotate in the fixed ring 16, generating static electricity, and further attracting the debris and dust by the static electricity.

[0048] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection claimed by the utility model is defined by the appended claims and their equivalents.

Claims

1. A punching device for plastic interior injection molded parts, characterized in that, Including: A processing table (1), and clamping assemblies (2) at both ends of the top of the processing table (1) for clamping and fixing plastic parts; A drilling assembly, which is arranged at the middle position of the top of the processing table (1). The drilling assembly includes a lifting rod (4) for lifting, a connecting plate (5), and a drill bit (7) arranged at the axial position of the bottom of the connecting plate (5) for drilling; A surrounding plate (6), which is annular and fixedly connected to the bottom position of the connecting plate (5). A protective plate (8) for contacting the plastic part is slidably connected to the bottom of the surrounding plate (6); A dust suction assembly, which is arranged inside the connecting plate (5) and the surrounding plate (6). The dust suction assembly includes an air pump (9), and the air pump (9) is connected to the inner wall of the surrounding plate (6). The dust suction assembly also includes a fixed ring (16) and a ball (18) that generate static electricity through friction; A transmission assembly, which is arranged inside the surrounding plate (6) and is driven by the air pump (9). The transmission assembly includes a transmission shaft (11), an impact fan blade (12), a transmission fan blade (13), and a gear ring (14).

2. The punching device for plastic interior injection molded parts according to claim 1, wherein: An L-shaped support frame (3) is arranged at the middle position of the top of the processing table (1). The fixed end of the lifting rod (4) is fixedly connected to the bottom position of the L-shaped support frame (3). The connecting plate (5) is arranged at the extended end of the lifting rod (4). The drill bit (7) is rotationally connected to the axial position of the bottom end of the connecting plate (5) through a motor. The surrounding plate (6) is annular and is arranged at the bottom position of the connecting plate (5) and outside the drill bit (7). A collection box (10) is fixedly connected to the outer wall of the surrounding plate (6), and the collection box (10) is connected to the bottom of the inner wall of the surrounding plate (6). A dissolving liquid for dissolution is arranged inside the surrounding plate (6).

3. The plastic interior injection molded part punching device according to claim 2, characterized in that: A plurality of transmission shafts (11) arranged in a circular arrangement are rotationally connected to the inner wall of the surrounding plate (6). A transmission fan blade (13) is fixedly connected to the bottom of the outer wall of the transmission shaft (11). An annular gear ring (14) is rotationally connected to the inner wall of the surrounding plate (6), and the gear ring (14) meshes with the outer wall of the transmission fan blade (13). Impact fan blades (12) are fixedly connected to the outer wall of the transmission shafts (11) located at the air pump (9) connection in a circular arrangement.

4. The plastic interior injection molded part punching device according to claim 3, characterized in that: The fixed rings (16) are fixedly connected to the outer wall of the transmission shafts (11) in a linear arrangement. A plurality of fixing plates (17) arranged in a linear arrangement are fixedly connected to the inner wall of the surrounding plate (6). A rotating groove is formed in the fixing plate (17). The ball (18) is rotationally connected to the inner wall of the rotating groove, and the ball (18) is rotationally connected to the inner wall of the fixed ring (16). The ball (18) is made of rubber, and a fur coating is arranged at the outer end of the fixed ring (16).

5. The punching device for plastic interior injection molded parts according to claim 1, characterized in that: An annular sliding groove is formed at the bottom of the surrounding plate (6), and the protective plate (8) is slidably connected to the inner wall of the annular sliding groove. A telescopic rod (19) is fixedly connected to the top of the annular sliding groove, and a return spring (20) is sleeved on the outer wall of the telescopic rod (19). The other ends of the telescopic rod (19) and the return spring (20) are fixedly connected to the outer wall of the protective plate (8).

6. The punching device for plastic interior injection-molded parts according to claim 1, characterized in that: A plurality of first dust suction holes (15) arranged in a circular arrangement are formed at the inner ring of the surrounding plate (6), and the first dust suction holes (15) are connected to the inner wall of the surrounding plate (6).

7. The punching device for plastic interior injection molded parts according to claim 1, characterized in that: A plurality of second dust suction holes (21) arranged in a circular pattern are formed in the inner ring of the surrounding plate (6). The second dust suction holes (21) are notch openings with arc-shaped cross-sections at both ends and have a structure with a smaller inner diameter and a larger outer diameter.

8. The plastic interior injection molding part punching device according to claim 4, characterized in that: A scraper (22) is provided at one end of the rotating groove on the fixing plate (17). The scraper (22) is annular and is located at one end of the fixing plate (17) close to the fixing ring (16).

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