Forming device for sound box cone

Abstract

The utility model discloses a forming device for a sound box cone, which comprises a bottom plate and a vertical plate arranged on the bottom plate, the vertical plate is connected with a movable plate through an adjusting mechanism, the lower end of the movable plate is provided with an upper template, the bottom plate is provided with a template box under the upper template, the template box is provided with a lower template, and the lower template is provided with a demoulding plate. A cavity is formed in the template box, a ball screw is horizontally arranged in the cavity, a wedge-shaped block is arranged on the ball screw in a sliding mode, a demolding rod in sliding fit with the wedge-shaped block is arranged at one end of the demolding plate, a motor is arranged at one end of the ball screw, a supporting piece is rotationally arranged on the portion, located outside the template box, of the bottom plate, and the supporting piece is sleeved with a pushing rod. The pushing rod is located between the movable plate and the lower die plate, the supporting piece is driven to drive the pushing rod to rotate by a certain angle around the central axis of the supporting piece, the height size of the wedge-shaped block is larger than the depth size of the lower die plate, in the prior art, people still need to stretch into the wedge-shaped block for taking, and people do not need to stretch into the wedge-shaped block for taking.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper basin forming equipment technical field, in particular to a kind of forming device for speaker paper basin. BACKGROUND

[0002] Paper basin, also known as sound basin, is an important component of loudspeaker. In the loudspeaker, the voice coil will produce vibration in the magnetic field after connecting the audio signal, and the vibration of the voice coil drives the vibration of the paper basin, thereby transmitting sound through the air. The paper basin is generally made into a conical shape to achieve good sound production effect.

[0003] The Chinese utility model with publication number CN212367528U discloses an efficient speaker paper basin forming machine, which comprises a bottom plate, vertical plates are fixedly connected to the upper ends of the left and right sides of the bottom plate, a movable plate is slidably connected between the two vertical plates, an upper die plate is fixedly connected to the lower end of the movable plate, an adjusting mechanism is arranged in each of the two vertical plates to adjust the movable plate, a lower die plate is fixedly connected to the upper end of the bottom plate, and a demolding mechanism is arranged in the lower die plate. The demolding mechanism in the lower die plate can separate the paper basin from the lower die plate after the paper basin is formed, thereby reducing the risk of burns to the operator. In combination with the adjusting mechanism, the raw materials placed in the lower die plate can be subjected to die casting operation.

[0004] However, the demolding plate has limited pushing height, and the sound basin separated from the lower die plate is still located in the lower die plate, which needs to be manually taken out by personnel, resulting in large labor intensity and certain safety hazards. UTILITY MODEL CONTENT

[0005] The utility model aims to overcome the shortcomings of the prior art and provide a forming device for speaker paper basin.

[0006] The above technical purpose of the utility model is achieved by the following technical scheme: a forming device for speaker paper basin, which comprises a bottom plate and a vertical plate arranged thereon, an adjustable plate is connected to the vertical plate through an adjusting mechanism, an upper die plate is arranged at the lower end of the movable plate, a die plate box is arranged directly below the upper die plate on the bottom plate, a lower die plate is arranged on the die plate box, and a demolding plate is arranged at the lower die plate. A cavity is arranged in the die plate box, a ball screw is horizontally arranged in the cavity, a wedge-shaped block is slidably arranged on the ball screw, a demolding rod is arranged at one end of the demolding plate and slidably connected with the wedge-shaped block, a motor is arranged at one end of the ball screw, a support is rotatably arranged on the bottom plate outside the die plate box, a pushing rod is sleeved on the support and located between the movable plate and the lower die plate, the support can drive the pushing rod to rotate around the central axis of the support by a certain angle, and the height of the wedge-shaped block is greater than the depth of the lower die plate.

[0007] As preferred, the template box is provided with a through hole at one end away from the motor, the ball screw is provided with an extension rod at one end, the extension rod is located outside the template box through the through hole, a bevel gear one is sleeved at one end of the extension rod outside the template box, and the support is provided with a bevel gear two engaged with the bevel gear one.

[0008] As preferred, the extension rod and the ball screw are respectively provided with a magnetic attraction and cooperation electromagnetic suction block one and a magnetic attraction and cooperation magnetic suction block one at one end close to each other, the through hole is provided with an electromagnetic suction block two, and the extension rod is provided with a magnetic attraction and cooperation magnetic suction block two at one end inside the through hole.

[0009] As preferred, the support comprises a bottom rod and a top rod slidingly arranged on the bottom rod, the push rod is sleeved on the top rod, the top rod is provided with an extension spring connected with the bottom rod, the template box outer wall is provided with a support plate, and the bottom rod is connected with the bevel gear two through the support plate at one end.

[0010] As preferred, the movable plate is provided with an expansion plate at opposite two ends of the lower side, and two groups of expansion plates are respectively provided with a supporting plate at one side close to each other, and the supporting plate is rotationally connected with the expansion plate through a rotating rod.

[0011] As preferred, the rotating rod is sleeved with a torsional spring, one end of the torsional spring is connected with the outer wall of the supporting plate, and the other end is connected with the expansion plate.

[0012] The utility model discloses a beneficial effect: through setting the wedge of height size greater than the depth size of lower mould plate, under the drive of ball screw, can be driven by the paper basin in lower mould plate from the demoulding plate completely separate out lower mould plate, rotates push rod to push the paper basin on the demoulding plate and push out the right below movable plate, compared with prior art, without personnel manual access to lower mould plate and take the paper basin, reduce certain security hidden danger, set up extension rod at one end of ball screw simultaneously, through the meshing transmission of bevel gear one on the extension rod and bevel gear two on the bottom rod, the top rod slidingly arranged on the bottom rod is connected with the push rod, can not need personnel manual to drive push rod rotation, reduce certain labor intensity of personnel. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is structural schematic diagram for showing part mechanism on bottom plate in an embodiment of the utility model;

[0014] Figure 2 It is the close -up drawing of part A in the middle; Figure 1

[0015] Figure 3 It is sectional view for showing part mechanism on bottom plate in an embodiment of the utility model;

[0016] Figure 4 It is the close -up drawing of part A in the middle; Figure 3 ​Enlarged view of part B;

[0017] Figure 5 It is the schematic view of part structure of the expansion board for separate display in one embodiment of the utility model.

[0018] Reference signs: 1, bottom plate; 2, vertical plate; 3, movable plate; 4, upper mold plate; 5, mold plate box; 6, lower mold plate; 7, demolding plate; 8, cavity; 9, ball screw; 10, wedge block; 11, demolding rod; 12, motor; 13, push rod; 14, through hole; 15, extension rod; 16, bevel gear one; 17, bevel gear two; 18, electromagnetic suction block one; 19, magnetically attracted block one; 20, magnetically attracted block two; 21, electromagnetic suction block two; 22, ejector rod; 23, bottom rod; 24, extension spring; 25, support plate; 26, expansion board; 27, support plate; 28, rotating rod; 29, torsional spring. DETAILED DESCRIPTION

[0019] The following described only is the preferred embodiment of the utility model, the protection scope is not only limited to this embodiment, the technical scheme under the idea of the utility model of belonging to the utility model should belong to the protection scope of the utility model, it should be pointed out simultaneously to the ordinary skill in the art for this technical field, under the premise of not departing from the principle of the utility model, a number of improvements and refinements, these improvements and refinements also should be considered the protection scope of the utility model.

[0020] It should be noted that, in this paper, such as first and second, such as "connecting plate one, connecting plate two" and other relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations.

[0021] The orientation words mentioned in the embodiment, such as "up, down, left, right" and so on, are only used to cooperate with various drawings to enable the person skilled in the art to understand the relationship between various features or parts.

[0022] In the embodiment, unless otherwise specifically defined and limited, the terms "connection", "fixation" and the like should be broadly understood, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited, the person skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0023] For example, Figures 1 to 5As shown, a kind of forming device for speaker paper bowl, including bottom plate 1 and the vertical plate 2 of its two ends, the movable plate 3 is slidably connected on vertical plate 2 by adjusting mechanism, in the present embodiment, adjusting structure adopts the technical equipment that the person skilled in the art of this field is commonly used, its purpose is, for driving movable plate 3 reciprocating along the length direction of vertical plate 2, the upper end of movable plate 3 is provided with upper die plate 4, the upper side of bottom plate 1 is located in the directly below of upper die plate 4 and is provided with die plate box 5, die plate box 5 is provided with lower die plate 6 opposite to upper die plate 4, lower die plate 6 is provided with stripping plate 7 inside, the lower end of die plate box 5 is internally provided with cavity 8, ball screw 9 is horizontally provided in cavity 8, and motor 12 is provided with ball screw 9 one end is connected at one end of die plate box 5 outside, in the present embodiment, motor 12 and ball screw 9 are connected by shaft coupling (not shown in drawing), ball screw 9 is slidably provided with wedge block 10, stripping plate 7 downside is provided with stripping rod 11 and wedge block 10 slidingly cooperates, in the present embodiment, stripping rod 11 is composed of rod body and the ball (not indicated in drawing) of its lower end, the outer wall of ball is in contact with the outer wall of wedge block 10, the height size of wedge block 10 is greater than the depth size of lower die plate 6, its purpose is, indirectly push lower die plate 6 by stripping plate 7 to move out of lower die plate 6.

[0024] The support is provided on the bottom plate 1 outside the die plate box 5, and the support plate 25 is provided on the outer wall of the die plate box 5. The support includes the bottom rod 23 and the top rod 22 slidably disposed thereon. The push rod 13 is sleeved on the upper end of the top rod 22. The top rod 22 is connected to the upper end of the bottom rod 23 through the extension spring 24. When the top rod 22 is pressed, it slides downward, and when it is not pressed, it automatically resets and moves upward. The position of the push rod 13 is located between the movable plate 3 and the lower die plate 6. The bottom end of the bottom rod 23 passes through the support plate 25 and is sleeved with the bevel gear two 17. A through hole 14 is formed in the die plate box 5 away from the motor 12. The inner diameter of the through hole 14 is smaller than the diameter of the ball screw 9. The extension rod 15 is provided at the end of the ball screw 9 away from the motor 12. The extension rod 15 passes through the through hole 14 and is located outside the die plate box 5. The bevel gear one 16 is sleeved with the bevel gear two 17 at one end of the extension rod 15 outside the die plate box 5. The electromagnet block one 18 and the magnetically attracted block one 19 are respectively provided at the ends of the extension rod 15 and the ball screw 9. The electromagnet block two 21 is provided on the inner wall of the through hole 14. The magnetically attracted block two 20 is provided at the end of the extension rod 15 inside the through hole 14 and magnetically attracts the electromagnet block two 21. When the ball screw 9 rotates, the power supply of the electromagnet block one 18 and the electromagnet block two 21 can be controlled by the control system to control whether the extension rod 15 rotates synchronously with the ball screw 9.

[0025] The lower side of the movable plate 3 is provided with two extension plates 26 at the opposite ends, and each of the two extension plates 26 is provided with a support plate 27 at the side close to each other, the lower end of the support plate 27 is rotationally connected with the extension plate 26 through a rotating rod 28, a torsional spring 29 is sleeved on the outer wall of the rotating rod 28, one end of the torsional spring 29 is connected with the outer wall of the support plate 27, and the other end of the torsional spring 29 is connected with the extension plate 26, and in the embodiment, the torsional force of the torsional spring 29 can drive the front end of the support plate 27 to be attached to the outer wall of the paper basin, and it should be noted that the upper end of the conventional paper basin is provided with a basin rim, and the support plate 27 can better support the paper basin through the basin rim.

[0026] When the paper basin needs to be taken, the upper die plate 4 of the lower die plate 6 is first pressed downward and is driven to move upward, at the same time, the personnel control the electromagnetic suction block two 21 to be electrified, the electromagnetic suction block one 18 is de-energized, the motor 12 is started, the ball screw 9 starts to rotate, the wedge-shaped block 10 is driven to slide along the length direction, the demolding rod 11 is pushed to move upward, the demolding plate 7 is driven by the demolding rod 11, the demolding plate 7 pushes the paper basin in the lower die plate 6 upward, at this time, the movable plate 3 and the paper basin are simultaneously moved upward, when the lower end of the demolding rod 11 is located at the highest end of the wedge-shaped block 10, the motor 12 stops, the paper basin synchronously stops moving upward, the movable plate 3 continues to move upward, until the paper basin is located between the upper die plate 4 and the lower die plate 6, in the moving process, the two sets of support plates 27 are respectively driven by the torsional spring 29, the upper end of the support plate 27 is attached to the outer wall of the paper basin, and the basin rim can further play a supporting role, then the control system controls the electromagnetic suction block two 21 to be de-energized, the electromagnetic suction block one 18 is electrified, so that the electromagnetic suction block one 18 is magnetically attracted to the magnetically attracted block one 19, the motor 12 is restarted, the wedge-shaped block 10 continues to move forward, the lower end of the demolding rod 11 slides on the smooth upper surface of the wedge-shaped block 10, the extension rod 15 is driven by the rotation of the ball screw 9, the bevel gear one 16 and the bevel gear two 17 are meshed and driven, the pushing rod 13 is synchronously rotated, the front end of the pushing rod 13 moves between the upper die plate 4 and the demolding plate 7, the paper basin on the demolding plate 7 is moved, when the paper basin is driven to separate from the demolding plate 7, the paper basin is still supported by the support plate 27, so as to avoid falling, until the front end of the paper basin is pushed out of the range of the lower end of the movable plate 3, the personnel can take the paper basin without stretching into the inside, after the pushing is completed, the motor 12 starts to reverse, so that the pushing rod 13 is reset, then the electromagnetic suction block one 18 is de-energized again, the electromagnetic suction block two 21 is electrified again, the wedge-shaped block 10 starts to move back, so that the lower end of the demolding rod 11 slides on the inclined surface, the demolding plate 7 gradually moves downward vertically and returns to the lower die plate 6.

[0027] The above embodiment is a description of the present application, not a limitation of the present application, and any simple transformation of the present application belongs to the protection scope of the present application.

Claims

1. A molding device for a speaker cone, comprising a base plate (1) and a vertical plate (2) thereon, wherein a movable plate (3) is connected to the vertical plate (2) via an adjustment mechanism, an upper template (4) is provided at the lower end of the movable plate (3), a template box (5) is provided on the base plate (1) directly below the upper template (4), a lower template (6) is provided on the template box (5), a demolding template (7) is provided at the lower template (6), a cavity (8) is provided inside the template box (5), a ball screw (9) is horizontally arranged inside the cavity (8), a wedge block (10) is slidably arranged on the ball screw (9), and a demolding rod (11) is provided at one end of the demolding template (7) and slides with the wedge block (10). Its features are, A motor (12) is provided at one end of the ball screw (9), and a support is rotatably provided on the base plate (1) outside the template box (5). A push rod (13) is sleeved on the support, and the push rod (13) is located between the movable plate (3) and the lower template (6). The support member, when driven, can cause the push rod (13) to rotate a certain angle around the central axis of the support member; The height dimension of the wedge block (10) is greater than the depth dimension of the lower template (6).

2. The forming device for a speaker cone according to claim 1, characterized in that, The template box (5) has a through hole (14) at the end away from the motor (12). One end of the ball screw (9) is provided with an extension rod (15). One end of the extension rod (15) is located outside the template box (5) through the through hole (14). A bevel gear (16) is sleeved on the end of the extension rod (15) located outside the template box (5). A bevel gear (17) that meshes with the bevel gear (16) is provided on the support.

3. The forming device for a speaker cone according to claim 2, characterized in that, The extension rod (15) and the ball screw (9) are respectively provided with an electromagnetic suction block 1 (18) and a magnetically attracted block 1 (19) at their respective ends. An electromagnetic suction block 2 (21) is provided on the inner wall of the through hole (14). The extension rod (15) located inside the through hole (14) is provided with a magnetically attracted block 2 (20) that magnetically attracts the electromagnetic suction block 2 (21).

4. The forming device for a speaker cone according to claim 2, characterized in that, The support includes a bottom rod (23) and a top rod (22) slidably mounted on the bottom rod (23). The push rod (13) is sleeved on the top rod (22). A telescopic spring (24) is provided on the top rod (22) and connected to the bottom rod (23). A support plate (25) is provided on the outer wall of the template box (5). One end of the bottom rod (23) passes through the support plate (25) and is connected to the second bevel gear (17).

5. The forming device for a speaker cone according to claim 1, characterized in that, The movable plate (3) has expansion plates (26) at opposite ends on its lower side. Each of the two sets of expansion plates (26) has a support plate (27) on the side closest to each other. The support plate (27) is rotatably connected to the expansion plate (26) through a rotating rod (28).

6. The forming device for a speaker cone according to claim 5, characterized in that, The outer wall of the rotating rod (28) is fitted with a torsion spring (29), one end of which is connected to the outer wall of the support plate (27), and the other end is connected to the extension plate (26).

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