阅读说明：本技术 一种扬声器下夹板成型模 (Lower clamping plate forming die for loudspeaker ) 是由 钱天翼 于 2021-08-09 设计创作，主要内容包括：本发明涉及一种扬声器下夹板成型模,包括可升降的上模具和与上模具适配的下模具,所述上模具安装在压模机的气动装置上,所述下模具固定安装在所述压模机的工作台上,所述扬声器下夹板成型模还包括固定件,所述固定件对称固定安装在所述下模具的两侧,所述固定件的内部中空且开口相对设置；伸缩组件,所述伸缩组件设置在所述固定件上并同活动设置在所述下模具上的抵接板连接,所述伸缩组件用于驱动所述抵接板动作,且在所述抵接板向下运动时可使置于所述下模具上的板材被固定；咬合组件,所述咬合组件与所述伸缩组件连接,所述咬合组件在外力驱动所述伸缩组件使所述抵接板上升至一定高度时将所述伸缩组件锁止,设计新颖,结构简单,实用性强。(The invention relates to a loudspeaker lower clamp plate forming die which comprises a liftable upper die and a lower die matched with the upper die, wherein the upper die is arranged on a pneumatic device of a molding press, the lower die is fixedly arranged on a workbench of the molding press, the loudspeaker lower clamp plate forming die also comprises fixing pieces, the fixing pieces are symmetrically and fixedly arranged on two sides of the lower die, and the fixing pieces are hollow and are provided with openings oppositely; the telescopic assembly is arranged on the fixing piece and is connected with the abutting plate movably arranged on the lower die, the telescopic assembly is used for driving the abutting plate to move, and the plate arranged on the lower die can be fixed when the abutting plate moves downwards; the interlock subassembly, the interlock subassembly with flexible subassembly is connected, the interlock subassembly is in the external force drive flexible subassembly makes the butt joint board rises to the take the altitude the time will flexible subassembly locking, the modern design, simple structure, the practicality is strong.)

1. The utility model provides a lower splint moulded die of speaker, includes liftable last mould (2) and with lower mould (3) of last mould (2) adaptation, go up mould (2) and install on the pneumatic means of molding press (1), lower mould (3) fixed mounting is on the workstation of molding press (1), its characterized in that, the splint moulded die of speaker still includes:

the fixing pieces (4) are symmetrically and fixedly arranged on two sides of the lower die (3), the fixing pieces (4) are hollow, and openings of the fixing pieces (4) are opposite;

the telescopic assembly is arranged on the fixing piece (4) and is connected with a butt plate movably arranged on the lower die (3), the telescopic assembly is used for driving the butt plate to move, and when the butt plate moves downwards, the plate arranged on the lower die (3) can be fixed;

the meshing assembly is connected with the telescopic assembly, and the meshing assembly drives the telescopic assembly to enable the abutting plate to ascend to a certain height under the action of external force and locks the telescopic assembly.

2. The speaker bottom plate molding die according to claim 1, wherein the telescopic assembly comprises a fixed sleeve fixedly arranged on the fixed member (4), a telescopic shaft (6) slidably arranged on the fixed sleeve through a limiting structure, an elastic swing structure connected with the telescopic shaft (6), and a guide structure arranged on the telescopic shaft (6) and connected with the elastic swing structure;

wherein, the telescopic shaft (6) is fixedly provided with a pull rod (5) at one end far away from the guide structure.

3. The forming die for the lower clamp plate of the loudspeaker according to claim 2, wherein the limiting structure comprises a limiting block (7) fixedly arranged on the telescopic shaft (6), and a limiting groove adapted to the limiting block (7) and formed on the inner wall of the fixing sleeve.

4. The molding die for the lower clamp plate of the loudspeaker according to claim 2, wherein the elastic swing component comprises a swing rod (14) rotatably arranged on the telescopic shaft (6), a torsion spring (15) connecting the swing rod (14) with the telescopic shaft (6), and a pulley which is rotatably arranged on the lower side of the swing rod (14) at equal intervals, and is in rolling connection with the edge angle of the opening of the fixing piece (4);

wherein, set up a plurality of installed parts (8) on telescopic shaft (6), swing lever (14) rotate to be installed on installed part (8), just the swing end of swing lever (14) pass through connection structure with guide structure is connected.

5. The forming die for the lower clamp plate of the loudspeaker according to claim 1, wherein the guiding structure comprises a fixed shaft (16) fixedly mounted on the mounting member (8), an extending member (17) slidably disposed on the fixed shaft (16) and having a hollow interior, and one end of the extending member (17) far away from the fixed shaft (16) is fixedly connected with the abutting plate;

the extension piece (17) is connected to the swing lever (14) by the connecting structure.

6. A molding die for a lower clamp plate of a loudspeaker according to claim 5, wherein the connecting assembly comprises a through groove (18) opened at the swinging end of the swinging rod (14), and a guide rod adapted to the through groove (18) and fixedly connected to the extending member (17).

7. The forming die for the lower clamp plate of the loudspeaker according to claim 1, wherein the engaging component comprises an elastic structure fixedly connected with the mounting part (8) and a caulking groove arranged on the inner wall of the fixing part (4), the caulking groove is matched with the elastic structure, and an unlocking rod (13) is movably arranged in the caulking groove.

8. The forming die for the lower clamp plate of the loudspeaker according to claim 7, wherein the elastic structure comprises a spring sleeve (9) fixedly mounted on the mounting member (8), a spring (10) arranged in the spring sleeve (9), and a support rod (11) with one end inserted into the spring sleeve (9) and connected with the spring (10), the other end of the support rod (11) is rotatably provided with a guide wheel (12), and the guide wheel (12) is in rolling connection with the inner wall of the fixing member (4) and is matched with the caulking groove.

Technical Field

The invention relates to the field of loudspeaker production, in particular to a lower clamp plate forming die for a loudspeaker.

Background

And the forming die is a forming die. Moulds made in proportion according to the shape and structure of the object are used for pressing or pouring materials into tools with certain shapes, and are generally used for plastic processing. Pressing the periphery of the prefabricated plastic sheet on the periphery of the mold, heating to soften the plastic sheet, and vacuumizing the side close to the mold or filling compressed air into the reverse side to make the plastic sheet close to the mold; cooling and shaping to obtain the product. The plastic plate is added into a preheated feeding chamber, then pressure is applied to a compression column, the plastic is melted at high temperature and high pressure and enters a cavity through a pouring system of a die to be gradually hardened and formed, the forming method is called as die-casting forming, and the used die is called as a die-casting forming die.

In the production process of the lower loudspeaker clamping plate, the forming die technology is also needed to be used, but the structure of the lower loudspeaker clamping plate is small, so that the phenomenon of plate displacement is easy to occur in production, the produced lower loudspeaker clamping plate cannot meet the use requirements, and great waste is caused.

Disclosure of Invention

The invention aims to provide a lower clamping plate forming die for a loudspeaker, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a loudspeaker lower plate forming die comprises a liftable upper die and a lower die matched with the upper die, wherein the upper die is installed on a pneumatic device of a molding press, and the lower die is fixedly installed on a workbench of the molding press and further comprises:

the fixing pieces are symmetrically and fixedly arranged on two sides of the lower die, the fixing pieces are hollow inside, and openings of the fixing pieces are opposite;

the telescopic assembly is arranged on the fixing piece and is connected with the abutting plate movably arranged on the lower die, the telescopic assembly is used for driving the abutting plate to move, and the plate arranged on the lower die can be fixed when the abutting plate moves downwards;

the meshing assembly is connected with the telescopic assembly, and the meshing assembly drives the telescopic assembly to enable the abutting plate to ascend to a certain height under the action of external force and locks the telescopic assembly.

As a further scheme of the invention: the telescopic assembly comprises a fixed sleeve fixedly arranged on the fixed piece, a telescopic shaft arranged on the fixed sleeve in a sliding manner through a limiting structure, an elastic swinging structure connected with the telescopic shaft, and a guide structure arranged on the telescopic shaft and connected with the elastic swinging structure;

wherein, the telescopic shaft is far away from one end of the guide structure and is fixedly provided with a pull rod.

As a still further scheme of the invention: the limiting structure comprises a limiting block fixedly arranged on the telescopic shaft, and a limiting groove matched with the limiting block and formed in the inner wall of the fixing sleeve.

As a still further scheme of the invention: the elastic swinging assembly comprises a swinging rod rotatably arranged on the telescopic shaft, a torsion spring connected with the swinging rod and the telescopic shaft, and a pulley which is rotatably arranged on the lower side of the swinging rod at equal intervals, and the pulley is in rolling connection with an edge angle of the opening of the fixing piece;

the telescopic shaft is provided with a plurality of mounting pieces, the swinging rod is rotatably mounted on the mounting pieces, and the swinging end of the swinging rod is connected with the guide structure through a connecting structure.

As a still further scheme of the invention: the guide structure comprises a fixed shaft fixedly mounted on the mounting piece and an extension piece which is arranged on the fixed shaft in a sliding mode and is hollow inside, and one end, far away from the fixed shaft, of the extension piece is fixedly connected with the abutting plate;

the extension member is connected to the swing lever through the connecting structure.

As a still further scheme of the invention: coupling assembling including seting up logical groove of swinging arms swing end, with lead to groove adaptation and with extension fixed connection's guide arm.

As a still further scheme of the invention: the meshing assembly comprises an elastic structure fixedly connected with the mounting part and an embedding groove formed in the inner wall of the mounting part, the embedding groove is matched with the elastic structure, and an unlocking rod is movably arranged in the embedding groove.

As a still further scheme of the invention: the elastic structure comprises a spring sleeve fixedly mounted on the mounting piece, a spring arranged in the spring sleeve, and a supporting rod, wherein one end of the supporting rod is inserted into the spring sleeve and connected with the spring, the other end of the supporting rod is rotatably provided with a guide wheel, and the guide wheel is in rolling connection with the inner wall of the mounting piece and is matched with the caulking groove.

Compared with the prior art, the invention has the beneficial effects that:

because current film pressing machine does not have the function of fixing panel when producing, so through setting up the motion of flexible subassembly drive butt joint board, fix panel for panel is added man-hour again, can not take place the aversion phenomenon, improves the quality of product, sets up the interlock subassembly simultaneously, makes more convenient when needs change panel, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a molding die for a lower clamping plate of a loudspeaker.

Fig. 2 is a schematic view illustrating a connection relationship between the fixing member and the abutting plate in an embodiment of a molding die for a lower clamping plate of a speaker.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 3.

In the figure: 1-molding press, 2-upper mold, 3-lower mold, 4-fixing piece, 5-pull rod, 6-telescopic shaft, 7-limiting block, 8-fixing piece, 9-spring sleeve, 10-spring, 11-supporting rod, 12-guide wheel, 13-unlocking rod, 14-oscillating rod, 15-torsion spring, 16-fixing shaft, 17-extending shaft and 18-through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 4, in an embodiment of the present invention, a lower clamp plate forming mold for a speaker includes an upper mold 2 capable of being lifted and lowered and a lower mold 3 adapted to the upper mold 2, the upper mold 2 is mounted on a pneumatic device of a molding press 1, the lower mold 3 is fixedly mounted on a workbench of the molding press 1, and the lower clamp plate forming mold for the speaker further includes:

the fixing pieces 4 are symmetrically and fixedly arranged on two sides of the lower die 3, and the fixing pieces 4 are hollow and are provided with openings opposite to each other;

the telescopic assembly is arranged on the fixing piece 4 and is connected with the abutting plate movably arranged on the lower die 3, the telescopic assembly is used for driving the abutting plate to move, and the plate arranged on the lower die 3 can be fixed when the abutting plate moves downwards;

the meshing assembly is connected with the telescopic assembly, and the meshing assembly drives the telescopic assembly to enable the abutting plate to ascend to a certain height under the action of external force and locks the telescopic assembly.

In the embodiment of the invention, when the plate clamping device is used, the abutting plate is driven to ascend by pulling the telescopic assembly, when the abutting plate ascends to a certain height, the meshing assembly is triggered to lock the telescopic assembly, at the moment, the plate is manually replaced, a new plate is placed on the lower die 3, the position of the new plate is adjusted, the meshing assembly is separated from the locked state, then the telescopic assembly pops up, and the abutting plate is driven to fix the plate on the lower die 3.

Wherein, the lower part of the opening of the fixing piece 4 is smoothly arranged.

As an embodiment of the present invention, the telescopic assembly includes a fixed sleeve fixedly disposed on the fixed member 4, a telescopic shaft 6 slidably disposed on the fixed sleeve through a limiting structure, an elastic swing structure connected to the telescopic shaft 6, and a guide structure mounted on the telescopic shaft 6 and connected to the elastic swing structure;

wherein, the telescopic shaft 6 is fixedly provided with a pull rod 5 at one end far away from the guide structure.

The limiting structure comprises a limiting block 7 fixedly arranged on the telescopic shaft 6, and a limiting groove matched with the limiting block 7 and formed in the inner wall of the fixing sleeve.

Through setting up stopper 7 and spacing groove, prevent in the course of the work that telescopic shaft 6 takes place to rotate, and drive the butt plate and take place to rotate, make it not just to bed die 3.

The elastic swinging assembly comprises a swinging rod 14 rotatably arranged on the telescopic shaft 6, a torsion spring 15 connected with the swinging rod 14 and the telescopic shaft 6, and a pulley wheel rotatably arranged on the lower side of the swinging rod 14 at equal intervals, wherein the pulley wheel is in rolling connection with an edge angle of an opening of the fixing piece 4;

a plurality of mounting pieces 8 are arranged on the telescopic shaft 6, the swinging rod 14 is rotatably mounted on the mounting pieces 8, and the swinging end of the swinging rod 14 is connected with the guide structure through a connecting structure;

when the meshing component releases the locking state, the elastic potential energy stored in the torsion spring 15 is released and acts on the fixing piece 4 through the swinging rod 14, so that the telescopic shaft 6 moves towards the plate, the swinging rod 14 is in rolling connection with the fixing piece 4, when the telescopic shaft 6 moves towards the plate, the included angle between the swinging rod 14 and the telescopic shaft 6 is increased, the connecting structure drives the guide structure to act, the butt plate moves downwards, and the plate is fixed.

Further, the friction force between the swing lever 14 and the fixed member 4 is reduced by providing the pulley, the swing lever 14 is prevented from being deformed by long-time friction with the fixed member 4, and the reaction time of the torsion spring 15 is faster when the engaging member is in the contact locking state.

The guide structure comprises a fixed shaft 16 fixedly arranged on the mounting piece 8, and an extension piece 17 which is arranged on the fixed shaft 16 in a sliding manner and is hollow inside, wherein one end of the extension piece 17 far away from the fixed shaft 16 is fixedly connected with the abutting plate;

the extension piece 17 is connected with the swing lever 14 through the connecting structure;

the connecting assembly comprises a through groove 18 arranged at the swinging end of the swinging rod 14 and a guide rod matched with the through groove 18 and fixedly connected with the extending piece 17.

When the swing rod 14 swings downwards, the guide rod drives the extension piece 17 to move downwards so as to drive the abutting plate to move downwards, and the plate is fixed.

As an embodiment of the present invention, the engaging component includes an elastic structure fixedly connected to the mounting member 8, and a caulking groove disposed on an inner wall of the fixing member 4, the caulking groove is adapted to the elastic structure, and an unlocking rod 13 is movably disposed in the caulking groove;

the elastic structure comprises a spring sleeve 9 fixedly mounted on the mounting part 8, a spring 10 arranged in the spring sleeve 9, and a support rod 11 with one end inserted into the spring sleeve 9 and connected with the spring 10, the other end of the support rod 11 is rotatably provided with a guide wheel 12, and the guide wheel 12 is in rolling connection with the inner wall of the mounting part 4 and is matched with the caulking groove.

In the embodiment of the invention, when the fixing state of the plate needs to be released, the pull rod 5 is manually pulled to enable the telescopic shaft 6 to move towards the direction away from the abutting plate, at the moment, the included angle between the swing rod 14 and the telescopic shaft 6 becomes smaller, the torsion spring 15 is compressed, the abutting plate rises simultaneously, when the abutting plate rises to a certain height, the guide wheel 12 is just matched with the caulking groove, the spring 10 releases elastic potential energy to fix the position of the telescopic shaft 6, and when the fixing state needs to be released, the guide wheel 12 is separated from the caulking groove by pressing the unlocking rod 13.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.