Ceiling hidden type microphone hole punching device

By designing a ceiling-hidden microphone hole punching device and utilizing the coordination of the lifting and moving guide rails and the punching components, efficient and precise punching is achieved, solving the problems of low production efficiency, high cost and unstable quality in the existing technology, and improving the production efficiency and quality of automotive interior parts.

CN223301858UActive Publication Date: 2025-09-05CHANGCHUN ZHENGHAI AUTOMOBILE INTERIOR TRIM PARTSCO
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Patent Information

Application Number
CN202422519478.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-09-05
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

The existing technology for producing ceiling-hidden microphone holes has low production efficiency, high cost, and poor cutting quality stability and consistency.

Method used

A punching device for hidden microphone holes in ceilings is designed. It adopts a lifting movable guide rail and a punching assembly, including an upper die structure and a lower die structure. Through the cooperation of the punching cylinder and the return spring, the pre-compression of the floating die and the puncture action of the punch are realized, completing efficient punching.

Benefits of technology

The punching accuracy and efficiency of the hidden microphone holes in the ceiling are improved, the production cost is reduced, the operation process is simplified, the product quality and competitiveness are improved, and the labor intensity of workers is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a ceiling hidden type microphone hole punching device which comprises a working table and a punching assembly, the punching assembly comprises an upper die structure arranged on one side of a lifting moving guide rail and a lower die structure arranged on the top of the working table, under pushing of a punching air cylinder, a pressing bottom plate drives a floating die to move, the floating die firstly makes contact with a product, and then the product is punched. Pre-pressing is achieved through the reset spring, then the punching air cylinder is ejected out in place, the pressing block drives the fixing base to move, the punch punctures a product, the punching purpose is achieved, the punching action is completed, after punching is completed, the upper die structure is driven by the punching air cylinder to ascend and reset, a punched ceiling is taken out, and batch production operation is completed by repeating the steps. The punching precision and efficiency of the ceiling hidden microphone hole are improved, the production requirements of automobile interior trim parts are met, the production cost is reduced, the product quality and competitiveness are improved, the operation process is simplified, and the labor intensity of workers is relieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile interior processing, in particular to a punching device for a ceiling hidden microphone hole. Background Art

[0002] With the continuous development of the automotive industry, the requirements for the aesthetics and functionality of automotive interior parts are increasing. As an important component to improve the communication quality in the cockpit, the punching accuracy and efficiency of the mounting holes of the ceiling hidden microphone have become key links in the production process. Therefore, it is of great significance to design and manufacture an efficient and precise punching device for the ceiling hidden microphone hole.

[0003] After searching, the existing ceiling hidden microphone hole adopts laser cutting technology. The specific steps are as follows:

[0004] Step 1: Place the ceiling substrate into the pressing and forming module. While pressing and forming, the forming die automatically punches out the remaining material for the microphone hole.

[0005] Step 2: Compound the formed ceiling substrate with the fabric. After compounding, take out the semi-finished product and place it in the water jet cutting module for water jet cutting to remove the excess material around and in the middle.

[0006] Step 3: Place the semi-finished product cut by the water jet onto the laser cutting fixture of the laser cutting module and secure it.

[0007] Step 4: Start the laser cutting equipment, and the robotic arm drives the laser cutting head to cut the hole of the microphone cover.

[0008] Step 5: Take out the cut product and proceed with the installation of the microphone and other accessories.

[0009] The existing technology achieves the cutting of hidden microphone holes in the ceiling by integrating multiple process methods such as pressing, water jet cutting and laser cutting. However, it has the disadvantages of low production efficiency and high production cost, and the product cutting quality stability and consistency are poor. Utility Model Content

[0010] In view of the existing patents, in order to solve the technical problems that the existing technology uses multiple process means such as integrated pressing molding, water jet cutting and laser cutting to achieve the cutting of hidden microphone holes in the ceiling, but has the shortcomings of low production efficiency and high production cost, and the stability and consistency of product cutting quality are poor, the utility model provides a punching device for hidden microphone holes in the ceiling.

[0011] The technical solution adopted by the utility model is: a ceiling hidden microphone hole punching device, comprising:

[0012] A workbench, the top of which is provided with a lifting guide rail installed by bolts;

[0013] A punching assembly, the punching assembly being installed on one side of the lifting guide rail and being used for punching a hidden microphone hole in the ceiling;

[0014] The punching assembly comprises an upper die structure installed on one side of the lifting guide rail and a lower die structure installed on the top of the workbench.

[0015] Furthermore, the upper mold structure includes a cylinder connecting plate fixedly mounted on one side of the slider of the lifting guide rail, a punching cylinder installed on the top of the cylinder connecting plate by bolts, and a clamping base plate fixedly mounted on the output shaft of the punching cylinder.

[0016] Furthermore, the upper mold structure also includes a floating mold welded to the bottom of the clamping base plate through a reset spring, a pressure block fixedly installed at the bottom of the clamping base plate, a fixing seat fixedly installed at the bottom of the pressure block, and a punch installed at the bottom of the fixing seat.

[0017] Furthermore, a through hole is provided at the bottom of the clamping base plate, a guide column is fixedly welded to the top of the floating mold, the guide column cooperates with the through hole, the reset spring is sleeved on the outside of the guide column, the floating mold is provided with a pre-stressing hole, and the pressure block and the fixed seat both cooperate with the pre-stressing hole.

[0018] Furthermore, the lower mold structure includes a contoured base mounted on the top of the workbench and a microphone punching base mounted on the top of the contoured base.

[0019] Furthermore, a punching hole is provided on the top of the contoured base, an insert is installed on the inner side wall of the punching hole, and the microphone punching base is installed on the top of the insert and cooperates with the punch.

[0020] The beneficial effects of the utility model are:

[0021] Driven by the punching cylinder, the pressing base plate drives the floating die to move. The floating die first contacts the product and is pre-compressed by the reset spring. Then the punching cylinder pushes it into place, the pressure block drives the fixed seat to move, and the punch pierces the product to achieve the punching purpose and complete the punching action. After the punching is completed, the upper die structure rises and resets under the drive of the punching cylinder, and the punched ceiling is taken out. This reciprocating process completes the batch production operation, improves the punching accuracy and efficiency of the hidden microphone hole in the ceiling, meets the production needs of automotive interior parts, reduces production costs, improves product quality and competitiveness, simplifies the operation process, and reduces the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the upper mold structure of the utility model;

[0024] Figure 3 It is a three-dimensional structural diagram of the lower mold structure of the utility model.

[0025] The following are marked in the figure:

[0026] 1. Workbench;

[0027] 2. Lifting and moving guide rails;

[0028] 3. Punching assembly; 301. Upper die structure; 3011. Cylinder connecting plate; 3012. Punching cylinder; 3013. Pressing base plate; 3014. Return spring; 3015. Floating die; 3016. Press block; 3017. Fixing seat; 3018. Punch; 302. Lower die structure; 3021. Profiling base; 3022. Microphone punching base;

[0029] 4. Guide column. DETAILED DESCRIPTION

[0030] In the description of the present invention, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0031] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0032] The following is combined with Figure 1-3 The utility model is further described.

[0033] In order to solve the problems existing in the background technology, this application proposes the following technical solutions:

[0034] A device for punching a hidden microphone hole in a ceiling, comprising: a workbench 1 and a punching assembly 3;

[0035] A lifting guide rail 2 is installed on the top of the workbench 1 through bolts.

[0036] like Figure 1-3 As shown, the punching assembly 3 is installed on one side of the lifting and moving guide rail 2, and the punching assembly 3 is used to punch the hidden microphone hole in the ceiling.

[0037] The punching assembly 3 includes an upper mold structure 301 installed on one side of the lifting and moving guide rail 2 and a lower mold structure 302 installed on the top of the workbench 1. The upper mold structure 301 includes a cylinder connecting plate 3011 fixedly installed on one side of the slider of the lifting and moving guide rail 2, a punching cylinder 3012 installed on the top of the cylinder connecting plate 3011 by bolts, and a clamping base plate 3013 fixedly installed on the output shaft of the punching cylinder 3012. The upper mold structure 301 also includes a floating mold 3015 welded to the bottom of the clamping base plate 3013 by a reset spring 3014, a pressure block 3016 fixedly installed at the bottom of the pressure base plate 3013, a fixing seat 3017 fixedly installed at the bottom of the pressure block 3016, and a punch 3018 installed at the bottom of the fixing seat 3017.

[0038] Furthermore, a through hole is provided at the bottom of the clamping base plate 3013, and a guide column 4 is fixedly welded on the top of the floating mold 3015. The guide column 4 cooperates with the through hole, and the reset spring 3014 is sleeved on the outside of the guide column 4. The floating mold 3015 has a pre-stressing hole, and the pressure block 3016 and the fixed seat 3017 both cooperate with the pre-stressing hole. The floating mold 3015 is ejected by the punching cylinder 3012, and the floating mold 3015 first contacts the product, and pre-tightening is achieved by the reset spring 3014. Then the punching cylinder 3012 is ejected into place, and the punch 3018 pierces the product to achieve the punching purpose.

[0039] Furthermore, the lower mold structure 302 includes a contoured base 3021 mounted on the top of the workbench 1 and a microphone punching base 3022 mounted on the top of the contoured base 3021 .

[0040] Furthermore, a punching hole is opened on the top of the contoured base 3021, an insert is installed on the inner wall of the punching hole, and the microphone punching base 3022 is installed on the top of the insert and cooperates with the punch 3018.

[0041] Working principle: When in use, the ceiling to be punched is placed on the lower mold of the punching device. The profile of the lower mold is consistent with the product. The product is accurately positioned by the profile and the positioning pins. The upper mold structure 301 is moved by the lifting and moving guide rail 2. Under the push of the punching cylinder 3012, the pressing bottom plate 3013 drives the floating mold 3015 to move. The floating mold 3015 first contacts the product and is pre-pressed by the reset spring 3014. Then the punching cylinder 3012 is pushed out into place, the pressure block 3016 drives the fixed seat 3017 to move, and the punch 3018 pierces the product to achieve the punching purpose and complete the punching action. After the punching is completed, the upper mold structure 301 rises and resets under the drive of the punching cylinder 3012, and the punched ceiling is taken out. This reciprocating process completes the batch production operation, improves the punching accuracy and efficiency of the hidden microphone hole in the ceiling, meets the production needs of automotive interior parts, reduces production costs, improves product quality and competitiveness, simplifies the operation process, and reduces the labor intensity of workers.

[0042] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology. It will not be described in detail here. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0043] While the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A punching device for a hidden microphone hole in a ceiling, characterized in that: include: A workbench (1), wherein a lifting guide rail (2) is mounted on the top of the workbench (1) via bolts; A punching assembly (3), the punching assembly (3) being installed on one side of the lifting guide rail (2), and the punching assembly (3) being used for punching a hidden microphone hole in the ceiling; The punching assembly (3) comprises an upper die structure (301) installed on one side of the lifting guide rail (2) and a lower die structure (302) installed on the top of the workbench (1).

2. The punching device for a hidden microphone hole in a ceiling according to claim 1, characterized in that: The upper die structure (301) comprises a cylinder connecting plate (3011) fixedly mounted on one side of a slider of the lifting guide rail (2), a punching cylinder (3012) mounted on the top of the cylinder connecting plate (3011) by bolts, and a pressing base plate (3013) fixedly mounted on the output shaft of the punching cylinder (3012).

3. The punching device for a hidden microphone hole in a ceiling according to claim 2, characterized in that: The upper mold structure (301) further comprises a floating mold (3015) welded to the bottom of the pressing base plate (3013) via a return spring (3014), a pressing block (3016) fixedly mounted on the bottom of the pressing base plate (3013), a fixing seat (3017) fixedly mounted on the bottom of the pressing block (3016), and a punch (3018) mounted on the bottom of the fixing seat (3017).

4. The punching device for a hidden microphone hole in a ceiling according to claim 3, characterized in that: A through hole is provided at the bottom of the clamping base plate (3013), a guide column (4) is fixedly welded to the top of the floating mold (3015), the guide column (4) cooperates with the through hole, the reset spring (3014) is sleeved on the outside of the guide column (4), the floating mold (3015) is provided with a pre-pressing hole, and the pressing block (3016) and the fixing seat (3017) both cooperate with the pre-pressing hole.

5. The punching device for a hidden microphone hole in a ceiling according to claim 3, characterized in that: The lower mold structure (302) comprises a contoured base (3021) mounted on the top of the workbench (1) and a microphone punching base (3022) mounted on the top of the contoured base (3021).

6. The punching device for a hidden microphone hole in a ceiling according to claim 5, characterized in that: A punching hole is provided on the top of the contoured base (3021), an insert is mounted on the inner side wall of the punching hole, and the microphone punching base (3022) is mounted on the top of the insert and cooperates with the punch (3018).