CN207240002U - A kind of automobile horn mesh mould processing clamping plate and fixture - Google Patents

Abstract

The utility model discloses a splint and a fixture for processing horn mesh molds for vehicles. The splint for processing horn mesh molds for vehicles includes a main board, and a reference ball head and a fixing hole are arranged on the mounting surface of the main board. During processing, A connecting piece is used to fix the insert on the main board through the fixing hole, and the machining datum is set by the reference ball head to process the insert. The vehicle horn mesh mold processing fixture includes an upper splint, a lower splint and a guide device, the upper splint and the lower splint are movably connected through the guide device, and the upper splint and the lower splint are both The above-mentioned vehicle horn mesh mold processing splint. The utility model has simple structure, is easy to process, can effectively improve the processing accuracy and processing efficiency of the horn mesh for vehicles, and has good application prospects.

Description

A splint and fixture for processing horn mesh molds for vehicles

technical field

The utility model relates to the technical field of mechanical processing, in particular to a splint and a fixture for processing a horn mesh die for a vehicle.

Background technique

At present, most of the existing automotive horn mesh molds are divided into front and rear mold processing, and almost all horn mesh molds are processed by CNC (Computer numerical control machine tool) first and then EDM (Electrical Discharge Machining). spark machining). In the prior art, as shown in Fig. 1 and Fig. 2, the processing method adopted by the traditional vehicle horn mesh mold insert 20 is: the outer contour of the insert 20 and the reference groove 221 of the back 22 are processed by four-sided centering Then, the reference groove 221 is used as the processing reference of the mesh 211, and the mesh 211 on the front side 21 of the insert 20 is CNC and EDMed. After the processing is completed, the inserts 20 are respectively installed on the front and rear molds, and installed on the research and matching machine for research and matching.

In the existing technical solution, the two inserts 20 of the front and rear molds are respectively processed using their own reference grooves 221 . Under different datum systems, it is difficult to guarantee the consistency of precision of the two inserts 20 . Moreover, the prior art scheme uses the plane of the reference groove 221 as a reference, but the length of the reference groove 221 is often short, so it is difficult to ensure that the plane is straightened during meter calibration, and if it is not straight, it will have a great influence on the accuracy. The speaker meshes processed by the existing speaker mesh molds are often observed to have dislocations before and after the meshes (as shown in Figure 3), which is contrary to the development direction of high-quality automobiles.

Utility model content

The purpose of the utility model is to provide a vehicle horn mesh mold processing splint and fixture which is simple in structure, easy to process, and can effectively improve the machining accuracy of the vehicle horn mesh.

The utility model provides a splint for vehicle horn mesh mold processing, which includes a main board. A reference ball head and a fixing hole are arranged on the installation surface of the main board. During processing, the insert is fixed on the on the main board, and process the insert by setting the machining datum through the datum ball head.

Further, the reference ball head includes a main reference ball head and a secondary reference ball head.

Further, the primary reference ball head and the secondary reference ball head are respectively arranged along the X direction and the Y direction of the installation surface.

Further, the main board is further provided with a positioning hole, and a positioning pin is installed on the positioning hole, and the insert is positioned on the mounting surface through the positioning pin.

Further, the positioning pin is in interference fit with the insert.

Further, the main board is provided with three fixing holes, and the fixing holes are arranged in a triangle.

The utility model also provides a tool for processing horn mesh molds for vehicles, which includes an upper splint, a lower splint and a guide device, the upper splint and the lower splint are movably connected through the guide device, and the upper splint and the The following splints are all the above-mentioned splints processed by the vehicle horn mesh mold.

Further, the guide device includes a guide post and a guide sleeve.

Further, the upper splint and the lower splint are provided with mounting holes, the guide sleeve and the guide post are installed in the mounting holes of the upper splint and the lower splint respectively, and the guide sleeve Cooperating with the guide post enables the upper splint and the lower splint to be flexibly connected and guided.

Further, the matching accuracy of the guide post and the guide sleeve is no greater than 0.03mm.

The vehicle horn mesh mold processing splint of the utility model is provided with a reference ball head and a fixing hole on the main board. During processing, the insert is fixed on the main board through the fixing hole with a connecting piece, and the processing reference is set through the reference ball head. The insert is processed. The front and rear molds of the car horn mesh are processed using the same reference system, which effectively improves the processing accuracy and processing efficiency of the car horn mesh. And the utility model also provides a kind of vehicle horn mesh processing fixture, adopts above-mentioned vehicle horn mesh mold processing splint as upper and lower splint, by connecting the upper and lower splints to the guide post and guide sleeve, the front and rear molds can be researched and matched (replacing Special research and matching machine), which improves the processing efficiency of the automotive speaker mesh mold and saves processing costs.

Description of drawings

Fig. 1 is the front perspective view of the vehicle horn mesh mold insert of the prior art;

Fig. 2 is the rear perspective view of the vehicle horn mesh mold insert of the prior art;

Fig. 3 is a schematic diagram of the misalignment of the mesh of the vehicle horn in the prior art;

Fig. 4 is the schematic diagram of the vehicle horn mesh mold processing splint of the present utility model;

Fig. 5 is the schematic diagram of the upper (lower) splint mounting insert of the vehicle horn mesh mold processing fixture of the present utility model;

Fig. 6 is a schematic diagram of the vehicle horn mesh mold processing jig of the present invention without an upper splint;

Fig. 7 is the schematic diagram of the vehicle horn mesh mold processing fixture of the utility model;

Among them, 10, splint; 10a, upper splint; 10b, lower splint; 10c, installation hole; 11, main board; 110, installation surface; 111, fixing hole; 112, positioning hole; 12, reference ball head; 13, positioning pin ; 20, insert; 21, front; 211, mesh; 22, back; 221, reference groove;

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

As shown in FIG. 4 , the vehicle horn mesh mold processing splint 10 of the present invention includes a main board 11 , and the mounting surface 110 of the main board 11 is provided with a reference ball head 12 , a fixing hole 111 and a positioning hole 112 . Specifically, along the X direction and the Y direction on the mounting surface 110 of the main board 11, a reference ball head 12 is respectively provided, that is, the two reference ball heads 12 are vertically distributed on the mounting surface 110, and the two reference ball heads 12 The main datum ball head 12 and the auxiliary datum ball head 12 respectively. When processing the insert 20, one of the datum ball head 12 is used as the main datum for processing, and the other datum ball head 12 is used as the auxiliary datum for checking the accuracy and accuracy of the machine tool. The accuracy of the master datum, and for adjusting the machine tool and the master datum. At the same time, the point-touch number of the reference ball head is used to avoid the face-to-face contact number of the facet, which is prone to slight inclination, which affects the accuracy of the reference, and the use of the point-touch number can accurately find the ball of the reference ball head 12. Using the heart as a benchmark can effectively improve the accuracy of the benchmark.

Specifically, three fixing holes 111 are provided on the mounting surface 110 of the main board 11 , during processing, the insert 20 is fixedly installed on the mounting surface 110 of the main board 11 through the fixing holes 111 by bolts or screws or other connectors. The three fixing holes 111 are distributed in a triangular shape, which can improve the installation stability of the insert 20 . The mounting surface 110 of the main board 11 is provided with two positioning holes 112, the positioning pins 13 are installed on the positioning holes 112, the insert 20 and the positioning pin 13 are interference fit so that the insert 20 is positioned on the main board 11. on the mounting surface 110.

When adopting the automotive horn mesh mold processing splint 10 of the present utility model to process, the splint 10 is connected to the machine tool (not shown) by screws or clips, and the positioning pin 13 is installed on the main board 11, and the insert 20 is connected to the main board 11. The positioning pin 13 cooperates to realize the positioning, the insert 20 is locked by screws or bolts, and the reference ball head 12 is used as the reference number to complete the CNC and EDM processing of the front and rear mold inserts 20.

The vehicle horn mesh mold processing splint 10 of the present utility model adopts the reference ball head 12 with higher precision as a reference instead of the reference groove 221 arranged on the back side 22 of the insert 20, reducing the number of machining references on the back side 22 of the insert 20. The groove 221 process, and the inserts 20 processed by the front and rear molds of the vehicle horn mesh are processed under the same reference system, which effectively ensures the matching accuracy of the two inserts 20 of the front and rear molds.

Furthermore, the utility model also provides a tool 30 for processing a horn mesh mold for a vehicle, which includes an upper splint 10 a , a lower splint 10 b and a guide device 31 . Specifically, both the upper splint 10a and the lower splint 10b are the above-mentioned splints 10 processed by the vehicle horn mesh mold. Further, four mounting holes 10c are evenly provided at the four corners of the upper clamping plate 10a and the lower clamping plate 10b. Specifically, the guide device 31 includes a guide post 311 and a guide sleeve 312. The guide sleeve 312 and the guide post 311 are respectively installed in the installation holes 10c of the upper clamping plate 10a and the lower clamping plate 10b. Through the cooperation of the guide sleeve 312 and the guide post 311, the upper The clamping plate 10a and the lower clamping plate 10b realize flexible connection and guiding functions. Preferably, the matching accuracy of the guide post 311 and the guide sleeve 312 is no greater than 0.03 mm.

When manufacturing the fixture 30, the upper clamping plate 10a and the lower clamping plate 10b are processed together under the same reference system to ensure the unity of the positioning hole 112 on the main board 11 and the installation point of the reference ball head 12, and the reference ball head 12 is installed in the main board 11, The mounting hole 10c is machined based on the reference ball head 12 . The upper splint 10a and the lower splint 10b of the vehicle horn mesh mold processing jig 30 of the utility model are processed together, and the benchmarks of the two splints 10a, 10b are consistent. Through the reference ball head 12 fixed on the main board 11 of the fixture 30, the contours and mesh processing procedures of the front and rear mold inserts 20 all apply the same reference, which is greatly improved compared with the traditional processing of each insert 20 according to its own reference. The matching accuracy of the two inserts 20 is improved.

When using the vehicle horn mesh mold processing fixture 30 of the present utility model to process, the front mold insert 20 and the rear mold insert 20 are respectively processed on the upper clamping plate 10a and the lower clamping plate 10b, and then guide posts are installed on the lower clamping plate 10b 311, install the guide sleeve 312 on the upper splint 10a, and finally put the upper splint 10a connected with the front mold insert 20 into the guide post 311, so as to realize the research and matching of the front and rear mold inserts 20.

The use of the vehicle horn mesh mold processing fixture 30 of the present utility model for processing has the following advantages:

(1) The front and rear mold inserts 20 are processed using the same reference system, which effectively ensures the matching accuracy of the two inserts 20 and greatly reduces the risk of misalignment;

(2) The automotive horn mesh mold processing fixture 30 is used as a universal fixture, which is suitable for processing various types of horn mesh mold inserts 20, which can save the cost of new fixtures;

(3) The process of machining the reference groove 221 on the back surface 22 of the traditional insert 20 is reduced, and the corresponding costs of machine tools, fixtures, and labor are saved.

(4) Through the guide post 311 and the guide sleeve 312, the research and matching of the front and rear mold inserts 20 can be realized without using a research and matching machine, and at the same time, it is convenient for personnel to detect the research and matching effect.

The above are only preferred embodiments of the present utility model, and it should be pointed out that for those of ordinary skill in the art, without departing from the technical principles of the present utility model, some improvements and replacements can also be made. These improvements and replacements It should also be regarded as the protection scope of the present utility model.

Claims (10)

1. A kind of 1. automobile horn mesh mould processing clamping plate (10), it is characterised in that including mainboard (11), the mainboard (11) Mounting surface (110) is equipped with benchmark bulb (12) and mounting hole (111), during processing, passes through the mounting hole using connector (111) mold insert (20) is fixed on the mainboard (11), and machining benchmark is set to described by the benchmark bulb (12) Mold insert (20) is processed.
2. 2. automobile horn mesh mould processing clamping plate (10) as claimed in claim 1, it is characterised in that the benchmark bulb (12) primary standard bulb (12) and secondary standard bulb (12) are included.
3. 3. automobile horn mesh mould processing clamping plate (10) as claimed in claim 2, it is characterised in that the primary standard bulb (12) arranged respectively along the X of the mounting surface (110) to Y-direction with the secondary standard bulb (12).
4. 4. automobile horn mesh mould processing clamping plate (10) as claimed in claim 1, it is characterised in that on the mainboard (11) Location hole (112) is also equipped with, positioning pin (13) is installed on the location hole (112), by the positioning pin (13) by institute Mold insert (20) is stated to be positioned on the mounting surface (110).
5. 5. automobile horn mesh mould processing clamping plate (10) as claimed in claim 4, it is characterised in that the positioning pin (13) It is interference fitted with the mold insert (20).
6. 6. automobile horn mesh mould processing clamping plate (10) as claimed in claim 1, it is characterised in that on the mainboard (11) Equipped with 3 mounting holes (111), the mounting hole (111) is triangularly arranged.
7. 7. a kind of automobile horn mesh mould clamp for machining (30), it is characterised in that including upper clamp plate (10a), lower clamp plate (10b) With guider (31), the upper clamp plate (10a) and the lower clamp plate (10b) pass through the guider (31) carry out activity company Connect, the upper clamp plate (10a) and the lower clamp plate (10b) are claim 1-6 any one of them automobile horn mesh moulds Tool processing clamping plate (10).
8. 8. automobile horn mesh mould clamp for machining (30) as claimed in claim 7, it is characterised in that the guider (31) guide post (311) and guide sleeve (312) are included.
9. 9. automobile horn mesh mould clamp for machining (30) as claimed in claim 8, it is characterised in that the upper clamp plate Mounting hole (10c) is equipped with (10a) and the lower clamp plate (10b), the guide sleeve (312) and the guide post (311) are pacified respectively In the mounting hole (10c) of the upper clamp plate (10a) and the lower clamp plate (10b), by the guide sleeve (312) and described lead The cooperation of column (311) makes the upper clamp plate (10a) and the lower clamp plate (10b) realize flexible connection and guiding role.
10. 10. automobile horn mesh mould clamp for machining (30) as claimed in claim 9, it is characterised in that the guide post (311) It is not more than 0.03 millimeter with the fit precision of the guide sleeve (312).