Automobile sound box shell assembling and air tightness testing equipment
By integrating the design of positioning, downward pressure detection and side-push assembly, the difficulties of installing the iron mesh assembly of the car speaker shell and the problem of separate airtightness testing are solved, efficient assembly and airtightness testing are achieved, and the sealing and production efficiency of the product are ensured.
Patent Information
- Application Number
- CN202422655636.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-31
AI Technical Summary
In the prior art, the iron mesh assembly of the car speaker housing is difficult to automatically install in place, and the assembly and air tightness testing need to be performed separately, resulting in low efficiency.
A car speaker shell assembly and airtightness testing equipment is designed, which integrates a positioning component, a downward pressure detection component and a side push-install component to achieve multi-purpose use. The accuracy of airtightness testing is ensured by the design of sealing blocks and sealing cotton, and the push-install block and the protrusion groove are used to synchronously apply pressure to ensure that the iron mesh component is installed in place.
It achieves efficient assembly and air tightness testing of car speaker housings, improves production efficiency, ensures sealing, and avoids product pressure loss.
Smart Images
Figure CN223426158U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of assembly, particularly to an automobile sound box shell assembly and air tightness testing equipment. BACKGROUND
[0002] The automobile sound box shell as shown in the figure comprises a sound box shell 01 and a wire mesh assembly 02, wherein the wire mesh assembly 02 is welded in advance by a wire mesh and a grid, and the wire mesh assembly 02 needs to be assembled to the side end opening of the sound box shell 01. Figure 1 Since the wire mesh assembly is a complex special-shaped part, most of them are currently installed manually, and it is difficult to push them into place.
[0003] The upper end of the sound box shell is also provided with a cavity, and the air tightness of the cavity needs to be detected before use. Currently, product assembly and air tightness detection are carried out by different equipment, and the product needs to be repeatedly transported and positioned, so the assembly and detection efficiency is low.
[0004] Based on the above defects and deficiencies, it is necessary to improve the existing technology and design an automobile sound box shell assembly and air tightness testing equipment. UTILITY MODEL CONTENTS
[0005] The utility model mainly solves the technical problem of providing an automobile sound box shell assembly and air tightness testing equipment, which is multi-purpose, can detect the air tightness while assembling the automobile sound box shell product, has high production efficiency, ensures the sealing property, and can prevent the product from being damaged by pressure.
[0006] To solve the above technical problems, one technical scheme of the utility model is to provide an automobile sound box shell assembly and air tightness testing equipment, which comprises a rack, a base, a positioning assembly, a lower pressing detection assembly and a side pushing assembly, the base is installed on the workbench of the rack, the positioning assembly for profiling positioning the sound box shell is installed on the base, the lower pressing detection assembly for pressing the sound box shell is arranged in butt joint above the positioning assembly, and the side pushing assembly for pressing the wire mesh assembly is arranged in butt joint at the side end of the positioning assembly.
[0007] Preferably, a sealing groove is formed in the lower end of the sealing block, and a protruding part is arranged on the upper end of the sealing cotton and matched with the sealing groove, the protruding part is inserted into the sealing groove, which can prevent gas from leaking from the connection between the sealing block and the sealing cotton, and has a sealing effect.
[0008] Preferably, the side pushing assembly includes a transfer frame, a linear slide rail, a pushing block, a thrust cylinder and an elastic member. The transfer frame is slidably installed on the base through the linear slide rail. The transfer frame is provided with a pushing block on the side of the opening facing the side end of the speaker shell. The base is provided with a thrust cylinder for driving the transfer frame to move toward the speaker shell. The outer end of the pushing block is provided with a protrusion for supporting the iron mesh and a groove for supporting the grille. During the pushing process, pressure is synchronously applied to each area of the iron mesh assembly through the protrusion and the groove to ensure that the iron mesh assembly is assembled in place. The outer end of the pushing block is also provided with a circle of elastic members to prevent pressure damage to the product.
[0009] Preferably, the side pushing assembly further comprises a position-limiting buffer, which is mounted on the base via a bracket, and is opposite to the transfer rack.
[0010] Preferably, the positioning assembly includes a profiling block and a supporting cylinder, and several of the profiling blocks are placed around the speaker shell. The inner side of the profiling block is provided with an arc surface for profiling and supporting the speaker shell for positioning. A supporting cylinder is installed on the side end of one of the profiling blocks, and the supporting cylinder is opposite to the horizontally protruding end of the speaker shell.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] A downward pressure detection component and a side push assembly are respectively provided above and on the side of the positioning component to press down on the sealing product to test its air tightness. At the same time, the downward pressure can be used as an auxiliary force. The side push assembly pushes the pre-installed iron mesh component into place, realizing dual-purposes of one machine.
[0013] The protrusion is inserted into the sealing groove to prevent gas from leaking from the connection between the sealing block and the sealing cotton, achieving a sealing effect and ensuring the accuracy of the airtightness test;
[0014] The sealing cotton is made of elastic material to prevent the sealing block from pressing down and damaging the product;
[0015] During the pushing and installing process, pressure is applied to each area of the iron mesh component simultaneously through the protrusions and grooves to ensure that the iron mesh component is assembled in place, the pushing and installing effect is good, and the iron mesh component will not be deformed due to large local forces. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural diagram of the car speaker shell.
[0017] Figure 2 The figure is a structural diagram of a car speaker shell assembly and air tightness testing device.
[0018] Figure 3 This is a partial structural diagram of the downward pressure detection component of a car speaker shell assembly and airtightness testing equipment.
[0019] Figure 4 This is a schematic diagram of the side push assembly structure of a car speaker shell assembly and air tightness testing equipment.
[0020] Among them, 01, speaker shell, 02, iron mesh assembly, 1, rack, 2, base, 3, positioning assembly, 31, profiling block, 32, support cylinder, 4, downward pressure detection assembly, 41, detection bracket, 42, downward pressure cylinder, 43, sealing block, 430, sealing groove, 44, sealing cotton, 440, protrusion, 5, side pushing assembly, 51, transfer rack, 52, linear slide rail, 53, pushing block, 54, thrust cylinder, 55, elastic part, 56, limit buffer. DETAILED DESCRIPTION
[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.
[0022] See also Figures 1 to 4 , the embodiments of the present utility model include:
[0023] A car speaker shell assembly and airtightness testing device includes a frame 1, a base 2, a positioning component 3, a downward pressure detection component 4 and a side pushing component 5. The base 2 is installed on the workbench of the frame 1, and the positioning component 3 for contour positioning of the speaker shell 01 is installed on the base 2. The downward pressure detection component 4 for pressing down the speaker shell 01 is docked above the positioning component 3. The side end of the positioning component 3 is docked with a side pushing component 5 for pressing the iron mesh component 02.
[0024] The positioning assembly 3 includes a profiling block 31 and a supporting cylinder 32. Several profiling blocks 31 are placed around the speaker shell 01. The inner side of the profiling block 31 is provided with an arc surface for profiling and supporting the speaker shell 01 for positioning. A supporting cylinder 32 is installed on the side end of one of the profiling blocks 31, and the supporting cylinder 32 is opposite to the horizontally protruding end of the speaker shell 01.
[0025] The downward pressure detection component 4 includes a detection bracket 41, a downward pressure cylinder 42 installed on the top plate of the detection bracket 41, a sealing block 43 driven to move up and down by the downward pressure cylinder 42, and a sealing cotton 44 installed at the lower end of the sealing block 43. The sealing block 43 and the sealing cotton 44 are provided with a detection through hole 40 that communicates with the cavity of the speaker shell 01. The detection through hole 40 is connected to the airtightness detector through the trachea. The sealing cotton 44 is made of elastic material to prevent the sealing block 43 from pressing down and damaging the product. A circle of sealing grooves 430 is provided at the lower end of the sealing block 43, and a protrusion 440 that cooperates with the sealing groove 430 is provided at the upper end of the sealing cotton 44. The protrusion 440 is inserted into the sealing groove 430, which can prevent gas from leaking from the connection between the sealing block 43 and the sealing cotton 44, thereby achieving a sealing effect.
[0026] The side pushing assembly 5 includes a transfer rack 51, a linear slide 52, a pushing block 53, a thrust cylinder 54, an elastic member 55 and a limit buffer 56. The transfer rack 51 is slidably installed on the base 2 through the linear slide 52. The transfer rack 51 is installed with a pushing block 53 on the side of the opening facing the side end of the speaker shell 01. The base 2 is installed with a thrust cylinder 54 for driving the transfer rack 51 to move toward the speaker shell 01. The outer end of the pushing block 53 is provided with a protrusion 531 for supporting the iron mesh and a groove 532 for supporting the grille. During the pushing process, pressure is synchronously applied to various areas of the iron mesh assembly 02 through the protrusion 531 and the groove 532 to ensure that the iron mesh assembly 02 is assembled in place. The outer end of the pushing block 53 is also installed with a circle of elastic members 55 to prevent damage to the product. The limit buffer 56 is installed on the base 2 through a bracket, and the limit buffer 56 is opposite to the transfer rack 51.
[0027] When the utility model is working, an automobile speaker shell assembly and air tightness testing equipment is manually pre-installed on the side end opening of the speaker shell 01, and the semi-finished product is placed on the positioning assembly 3 to position the product. The downward pressure cylinder 42 of the downward pressure detection assembly 4 drives the sealing block 43 to move downward to seal the cavity of the speaker shell 01, and the air tightness is tested by an external air tightness detector. At the same time, the side pushing assembly 5 works, and the thrust cylinder 54 drives the pushing block 53 to move toward the product. During the pushing process, pressure is synchronously applied to various areas of the iron mesh assembly 02 through the protrusion 531 and the groove 532 to ensure that the iron mesh assembly 02 is assembled in place. After the iron mesh assembly 02 is pushed into place, the limit buffer 56 limits the stroke.
[0028] The utility model discloses an automobile speaker shell assembly and air tightness testing device, which has multiple uses and can test the air tightness while assembling the automobile speaker shell product. It has high production efficiency, ensures the sealing, and can prevent the product from being damaged by pressure.
[0029] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A car speaker housing assembly and airtightness testing device, characterized by: The invention comprises a frame (1), a base (2), a positioning component (3), a downward pressure detection component (4) and a side pushing component (5); the base (2) is installed on the workbench of the frame (1); the positioning component (3) for profiling and positioning the speaker housing (01) is installed on the base (2); the downward pressure detection component (4) for pressing down the speaker housing (01) is docked on the upper side of the positioning component (3); the side end of the positioning component (3) is docked with the side pushing component (5) for pressing the iron mesh component (02); The pressure detection assembly (4) comprises a detection bracket (41), a downward pressure cylinder (42) installed on the top plate of the detection bracket (41), a sealing block (43) driven to move up and down by the downward pressure cylinder (42), and a sealing cotton (44) installed at the lower end of the sealing block (43); a detection through hole (40) communicating with the cavity of the speaker housing (01) is opened on the sealing block (43) and the sealing cotton (44); the detection through hole (40) is connected to an airtightness detector through an air pipe; and the sealing cotton (44) is made of elastic material.
2. The car speaker housing assembly and airtightness testing equipment according to claim 1, characterized in that: The lower end of the sealing block (43) is provided with a circle of sealing grooves (430), and the upper end of the sealing cotton (44) is provided with a protrusion (440) that matches the sealing grooves (430), and the protrusion (440) is inserted into the sealing grooves (430).
3. The car speaker housing assembly and airtightness testing equipment according to claim 1, characterized in that: The side pushing assembly (5) comprises a moving frame (51), a linear slide rail (52), a pushing block (53), a thrust cylinder (54) and an elastic member (55). The moving frame (51) is slidably mounted on the base (2) via the linear slide rail (52). The moving frame (51) is provided with a pushing block (53) on the side opening facing the side end of the speaker housing (01). The base (2) is provided with a thrust cylinder (54) for driving the moving frame (51) to move toward the speaker housing (01). The outer end of the pushing block (53) is provided with a convex block (531) for supporting the iron mesh and a groove (532) for supporting the grille. The outer end of the pushing block (53) is also provided with a circle of elastic members (55) for preventing the product from being damaged by pressure.
4. The car speaker housing assembly and airtightness testing equipment according to claim 3, characterized in that: The side pushing assembly (5) further comprises a position-limiting buffer (56), which is mounted on the base (2) via a bracket, and the position-limiting buffer (56) is opposite to the transfer rack (51).
5. The car speaker housing assembly and airtightness testing equipment according to claim 1, characterized in that: The positioning assembly (3) comprises a profiling block (31) and a supporting cylinder (32). A plurality of the profiling blocks (31) are placed around the speaker housing (01). The inner side surfaces of the profiling blocks (31) are provided with arc-shaped surfaces for profiling and supporting the speaker housing (01). The supporting cylinder (32) is installed at the side end of one of the profiling blocks (31), and the supporting cylinder (32) is opposite to the horizontally protruding end of the speaker housing (01).