Sound-insulation vibration-stopping sheet production mold

Abstract

The utility model discloses a sound insulation and vibration stopping piece production die, and particularly relates to the technical field of sound insulation and vibration stopping pieces, the sound insulation and vibration stopping piece production die comprises a supporting seat, a lower die holder is fixedly arranged at the upper end of the supporting seat, an upper die holder is arranged right above the lower die holder, a core die cavity is formed in the upper end of the lower die holder, and limiting plates are arranged at the two ends of the interior of the core die cavity; and a supporting column is fixedly arranged in the middle of the interior of the core mold cavity, a first arc-shaped supporting plate is fixedly arranged in the middle of the upper end of the supporting column, and second arc-shaped supporting plates are symmetrically arranged on the portions, located on the two sides of the first arc-shaped supporting plate, of the supporting column. The first arc-shaped supporting plate and the second arc-shaped supporting plates can be used for supporting a product, the second arc-shaped supporting plates on the two sides can be synchronously adjusted through the arrangement of the first irregular gear, the second irregular gear and the connecting shaft, it is guaranteed that the two second arc-shaped supporting plates are always kept symmetric, and the product quality is improved. And the product supporting effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of processing sound insulation and vibration-proof sheets, in particular to a production mould for sound insulation and vibration-proof sheets. Background Art

[0002] Generally, sound insulation and vibration damping sheets are applied to the car body floor and doors, etc. They have good sound insulation and vibration prevention effects, and the assembly position is relatively convenient. However, some high-end models require the use of sound insulation and vibration damping sheets on the rear sliding column, and the parts structure is relatively complex. It is crucial to select suitable sound insulation materials. They are mainly products composited with materials such as butyl rubber and sound-absorbing cotton. There are no similar composite products in previous experience. However, they have high dimensional accuracy requirements, strict performance requirements, extremely special assembly positions, and production efficiency must be met, which leads to considerable difficulties in the development and mold manufacturing of this product. The existing sound insulation and vibration damping sheets are mainly composed of butyl rubber, sound-absorbing cotton, aluminum foil, etc. The sound-absorbing cotton is first attached to the aluminum foil butyl film, and then the composite sheet is placed in the punching mold, and the use position and sequence of each punching mold component are controlled, and then stamped by a press.

[0003] However, the existing sound insulation and vibration damping sheet stamping and molding production mold is inconvenient for people to use because the aluminum foil butyl film is easy to deform during the stamping and molding process due to the soft material of the aluminum foil butyl film. Utility Model Content

[0004] The purpose of the utility model is to provide a production mold for a sound insulation and vibration damping sheet to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A production mold for a sound insulation and vibration damping plate includes a support seat, a lower mold seat is fixedly provided on the upper end of the support seat, an upper mold seat is provided directly above the lower mold seat, a core mold cavity is opened at the upper end of the lower mold seat, limiting plates are provided at both ends of the core mold cavity, a support column is fixedly provided at the middle position of the core mold cavity, a first arc-shaped support plate is fixedly provided at the middle position of the upper end of the support column, and second arc-shaped support plates are symmetrically provided on the support column on both sides of the first arc-shaped support plate.

[0007] In a preferred embodiment, a support frame is fixedly provided on the upper end of the support seat, and a hydraulic telescopic cylinder is fixedly provided on the upper end of the support frame, the telescopic end of the hydraulic telescopic cylinder is fixedly connected to the upper mold base, guide pins are fixedly provided on both sides of the bottom end of the upper mold base, guide holes matching the guide pins are opened on the lower mold base, and a buffer rubber pad is provided on the upper surface of the lower mold base. The hydraulic telescopic cylinder can drive the upper mold base to move downward, and the upper mold base is used to press down the product, and the setting of the guide pins and guide holes can ensure the alignment of the upper mold base and the lower mold base, and the setting of the buffer rubber pad can play a protective and buffering role.

[0008] In a preferred embodiment, a T-shaped slider is fixedly provided at the bottom end of the two limit plates, and the T-shaped slider is slidably provided in a rectangular groove opened on the surface of the core mold cavity. A reduction motor is fixedly installed inside the lower mold base, and the output shaft of the reduction motor is fixedly connected with a gear. The upper and lower ends of the gear are meshed with tooth plates, and the ends of the two tooth plates away from each other are respectively fixedly connected to the two T-shaped sliders, and the rotation of the reduction motor is used to drive the gear to rotate. When the gear rotates, it can drive the two tooth plates to move, thereby driving the two T-shaped sliders and the limit plates to move synchronously.

[0009] In a preferred embodiment, the first arc support plate and the second arc support plate are both rotatably set on the telescopic rod, the telescopic rod is slidably set in the sleeve, and a first locking bolt is provided at the upper end of the sleeve. The first arc support plate and the second arc support plate can be adjusted by the telescopic rod and can be suitable for different products.

[0010] In a preferred embodiment, the sleeve at the lower end of the first arc-shaped support plate is fixedly set on the support column, one of the sleeves at the lower end of the second arc-shaped support plate is fixedly set on one side of the first irregular gear, and the second irregular gear is meshed with one side of the first irregular gear, and one end of the sleeve at the lower end of the other second arc-shaped support plate is fixedly set on the second irregular gear, and when the first irregular gear rotates, the second irregular gear can rotate, and when the second irregular gear rotates, the other sleeve and the second arc-shaped support plate can rotate, so that the two second arc-shaped support plates move synchronously.

[0011] In a preferred embodiment, the upper surfaces of the first arc-shaped support plate and the second arc-shaped support plate are both provided with flexible cotton pads, the first irregular gear is rotatably arranged on a pin shaft, and a second locking bolt for locking the pin shaft is arranged on the support column. The provision of the flexible cotton pad can protect the product, and the second locking bolt can lock and fix the pin shaft to prevent the two second arc-shaped support plates from rotating.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a first arc-shaped support plate and a second arc-shaped support plate, and the first arc-shaped support plate and the second arc-shaped support plate can be used to support products, and the first arc-shaped support plate and the second arc-shaped support plate can adjust the height through the telescopic rod, and can support different products, so that the arc-shaped support plate and the product have a better fitting effect, and the arrangement of the first irregular gear, the second irregular gear and the connecting shaft can make the second arc-shaped support plates on both sides adjust synchronously, ensuring that the two second arc-shaped support plates always maintain a symmetrical arrangement, and the product has a better supporting effect;

[0014] 2. The utility model can clamp products of different sizes by setting structures such as limit plates, reduction motors, gears, tooth plates and T-shaped sliders. When the reduction motor is running, the two limit plates can be driven by gears, tooth plates and T-shaped sliders to make the two limit plates move synchronously, so that the products can be centered when the two limit plates clamp the products, and then the arc-shaped support plate can support the products. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 Schematic diagram of the structure of aluminum foil butyl film.

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 3 It is a schematic cross-sectional structural diagram of the lower die base of the utility model.

[0019] Figure 4 It is a schematic structural diagram of two second arc-shaped support plates of the utility model.

[0020] In the figure: 1. support seat; 2. lower die seat; 3. upper die seat; 4. core mold cavity; 5. limit plate; 6. support column; 7. first arc-shaped support plate; 8. second arc-shaped support plate; 9. support frame; 10. hydraulic telescopic cylinder; 11. guide pin; 12. guide hole; 13. T-shaped slider; 14. rectangular groove; 15. reduction motor; 16. gear; 17. tooth plate; 18. telescopic rod; 19. sleeve; 20. first irregular gear; 21. second irregular gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 2-Figure 4 The utility model provides a production mold for sound insulation and vibration damping sheets, and the technical solution is as follows:

[0023] A production mold for a sound insulation and vibration damping plate includes a support seat 1, a lower mold seat 2 is fixedly provided on the upper end of the support seat 1, an upper mold seat 3 is provided directly above the lower mold seat 2, a core mold cavity 4 is opened at the upper end of the lower mold seat 2, limiting plates 5 are provided at both ends of the core mold cavity 4, a support column 6 is fixedly provided at the middle position of the inner part of the core mold cavity 4, a first arc-shaped support plate 7 is fixedly provided at the middle position of the upper end of the support column 6, and second arc-shaped support plates 8 are symmetrically provided on both sides of the first arc-shaped support plate 7 on the support column 6.

[0024] In a preferred embodiment, a support frame 9 is fixedly provided on the upper end of the support seat 1, and a hydraulic telescopic cylinder 10 is fixedly provided on the upper end of the support frame 9. The telescopic end of the hydraulic telescopic cylinder 10 is fixedly connected to the upper die seat 3, and guide pins 11 are fixedly provided on both sides of the bottom end of the upper die seat 3. A guide hole 12 matching the guide pin 11 is opened on the lower die seat 2, and a buffer rubber pad is provided on the upper surface of the lower die seat 2. When the hydraulic telescopic cylinder 10 is extended or retracted, it can drive the upper die seat 3 to stamp the product, and during stamping, the guide pin 11 can enter the guide hole 12 to play a limiting and guiding role.

[0025] In a preferred embodiment, a T-shaped slider 13 is fixedly provided at the bottom end of the two limit plates 5, and the T-shaped slider 13 is slidably provided in a rectangular groove 14 opened on the surface of the core mold cavity 4. A reduction motor 15 is fixedly installed inside the lower mold base 2, and the output shaft of the reduction motor 15 is fixedly connected with a gear 16. The upper and lower ends of the gear 16 are meshed with tooth plates 17. The ends of the two tooth plates 17 away from each other are respectively fixedly connected to the two T-shaped sliders 13, and the rotation of the reduction motor 15 drives the gear 16 to rotate. When the gear 16 rotates, it can drive the two tooth plates 17 to move, thereby driving the two T-shaped sliders 13 and the limit plates 5 to move synchronously.

[0026] In a preferred embodiment, the first arc-shaped support plate 7 and the second arc-shaped support plate 8 are both rotatably set on the telescopic rod 18, and the telescopic rod 18 is slidably set in the sleeve 19. A first locking bolt is provided at the upper end of the sleeve 19. When the telescopic rod 18 moves in the sleeve 19, it can drive the first arc-shaped support plate 7 and the second arc-shaped support plate 8 to move, so that the first arc-shaped support plate 7 and the second arc-shaped support plate 8 can support different products.

[0027] In a preferred embodiment, the sleeve 19 at the lower end of the first arc-shaped support plate 7 is fixedly set on the support column 6, and the sleeve 19 at the lower end of one of the second arc-shaped support plates 8 is fixedly set on one side of the first irregular gear 20, and the second irregular gear 21 is meshed with one side of the first irregular gear 20, and one end of the sleeve 19 at the lower end of the other second arc-shaped support plate 8 is fixedly set on the second irregular gear 21, and when the first irregular gear 20 rotates, the second irregular gear 21 can be rotated, and when the second irregular gear 21 rotates, the other sleeve 19 and the second arc-shaped support plate 8 can be rotated, so that the two second arc-shaped support plates 8 move synchronously.

[0028] In a preferred embodiment, the upper surfaces of the first arc-shaped support plate 7 and the second arc-shaped support plate 8 are both provided with flexible cotton pads, the first irregular gear 20 is rotatably set on the pin shaft, and the support column 6 is provided with a second locking bolt for locking the pin shaft. The setting of the flexible cotton pad can protect the product, and the second locking bolt can lock and fix the pin shaft to prevent the two second arc-shaped support plates from rotating.

[0029] The working principle of this utility model:

[0030] When in use, place the aluminum foil butyl film in the core mold cavity 4, and then turn on the reduction motor 15. The reduction motor 15 can drive the gear 16 to rotate. When the gear 16 rotates, the two tooth plates 17 can drive the T-shaped slider 13 to move. The T-shaped slider 13 makes the two limit plates 5 approach each other, so that the two limit plates 5 clamp the two ends of the product. After the clamping is completed, the first arc support plate 7 and the second arc support plate 8 can support the arc surface of the product. Then, place the sound-absorbing cotton on the aluminum foil butyl film, turn on the hydraulic telescopic cylinder 10, and the hydraulic telescopic cylinder 10 drives the upper mold base 3 to press down, so that the upper mold base 3 stamps the product. After the stamping is completed, the upper mold base 3 is raised, the reduction motor 15 rotates in the opposite direction, the two limit plates 5 move away from each other, the clamping limit of the product is released, and the product can be taken out; when it is necessary to adjust the height of the first arc-shaped support plate 7 and the second arc-shaped support plate 8, the first locking bolt is loosened and the position of the telescopic rod 18 is adjusted. If it is necessary to adjust the angle of the two second arc-shaped support plates 8, the second locking bolt on the outer side of the pin shaft is loosened, and the sleeve 19 at one end of the first irregular gear 20 is rotated. When the first irregular gear 20 rotates, the second irregular gear 21 can be rotated, so that the other sleeve 19 rotates synchronously, ensuring that the two second arc-shaped support plates 8 are symmetrically arranged to support the product.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A mold for producing a sound-proof and vibration-proof sheet, comprising a support seat (1), a lower mold seat (2) being fixedly arranged at the upper end of the support seat (1), and an upper mold seat (3) being arranged directly above the lower mold seat (2), characterized in that: A core mold cavity (4) is provided at the upper end of the lower mold base (2), and limit plates (5) are provided at both ends of the core mold cavity (4). A support column (6) is fixedly provided at the middle position of the core mold cavity (4), and a first arc-shaped support plate (7) is fixedly provided at the middle position of the upper end of the support column (6), and second arc-shaped support plates (8) are symmetrically provided on the support column (6) on both sides of the first arc-shaped support plate (7).

2. A sound insulation and vibration damping sheet production mold according to claim 1, characterized in that: A support frame (9) is fixedly arranged at the upper end of the support seat (1), a hydraulic telescopic cylinder (10) is fixedly arranged at the upper end of the support frame (9), the telescopic end of the hydraulic telescopic cylinder (10) is fixedly connected to the upper die seat (3), guide pins (11) are fixedly arranged on both sides of the bottom end of the upper die seat (3), a guide hole (12) matching the guide pin (11) is opened on the lower die seat (2), and a buffer rubber pad is arranged on the upper surface of the lower die seat (2).

3. A sound insulation and vibration damping sheet production mold according to claim 1, characterized in that: The bottom ends of the two limit plates (5) are fixedly provided with T-shaped sliders (13), and the T-shaped sliders (13) are slidably provided in rectangular grooves (14) provided on the surface of the core mold cavity (4). A reduction motor (15) is fixedly installed inside the lower mold base (2), and the output shaft of the reduction motor (15) is fixedly connected with a gear (16). The upper and lower ends of the gear (16) are meshed with tooth plates (17), and the ends of the two tooth plates (17) that are away from each other are fixedly connected with the two T-shaped sliders (13) respectively.

4. A sound insulation and vibration damping sheet production mold according to claim 1, characterized in that: The first arc-shaped support plate (7) and the second arc-shaped support plate (8) are both rotatably arranged on the telescopic rod (18), the telescopic rod (18) is slidably arranged in the sleeve (19), and the upper end of the sleeve (19) is provided with a first locking bolt.

5. A sound insulation and vibration damping sheet production mold according to claim 4, characterized in that: The sleeve (19) at the lower end of the first arc-shaped support plate (7) is fixedly arranged on the support column (6), the sleeve (19) at the lower end of one of the second arc-shaped support plates (8) is fixedly arranged on one side of a first irregular gear (20), a second irregular gear (21) is meshedly arranged on one side of the first irregular gear (20), and one end of the sleeve (19) at the lower end of the other second arc-shaped support plate (8) is fixedly arranged on the second irregular gear (21).

6. A sound insulation and vibration damping sheet production mold according to claim 5, characterized in that: The upper surfaces of the first arc-shaped support plate (7) and the second arc-shaped support plate (8) are both provided with flexible cotton pads, the first irregular gear (20) is rotatably arranged on a pin shaft, and the support column (6) is provided with a second locking bolt for locking the pin shaft.

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