PU concave groove forming mechanism

Abstract

The utility model relates to the technical field of automobile sunroofs, and discloses a PU (polyurethane) concave groove forming mechanism, which comprises a rotating mechanism, a transmission mechanism, a U-shaped groove, a U-shaped groove and a U-shaped groove, the upper end of the slewing mechanism is hinged to the sliding block at an interval relative to the rotating mechanism, and the lower end is hinged to the side wall of the mold; the upper end of the transmission mechanism is fixedly connected with the rotating mechanism, the middle part is hinged with the mold, and the lower end is hinged with the driving mechanism; the driving mechanism comprises a telescopic driving device and a supporting seat fixedly arranged below the mold, the lower end of the telescopic driving device is hinged to the supporting seat, and the telescopic end of the telescopic driving device is hinged to the transmission mechanism. And the product quality defect caused by vertical forced separation at the joint is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile sunroof, specifically a kind of PU concave groove forming mechanism. BACKGROUND

[0002] In the production process of automobile sunroof glass PU edge covering, there is a crucial process, that is, the forming of "concave" groove, and the forming quality of "concave" groove is relatively high, so the action, stretching angle and demolding angle of "convex" die are required to be very accurate.

[0003] The existing "convex" forming die is manually pulled open, and the action and process are uncontrollable, the demolding angle is poor, and the final product is prone to defects, resulting in product scrap. For mold cleaning, there are also many adverse factors, because the manually pulled open angle is small, cleaning is difficult, and the spraying of demolding agent is also very uneven, which affects product production.

[0004] As disclosed in the publication No. CN208558129U, a PU sunroof edge covering die includes an upper die plate, a lower die plate, a movable die plate assembly, a glass, a first sealant, a second sealant, a third sealant and a reinforcing rib, the movable die plate assembly is arranged around the upper die plate and the lower die plate, and forms a cavity with the upper die plate and the lower die plate, the cavity is centrally provided with a glass to be edge covered; a sixth groove, a convex strip of the movable die plate assembly and the upper die plate jointly form a communicating injection cavity, but in the scheme, the separation mode between the movable die plate assembly and the sunroof glass edge covering is uncertain, and it cannot be ensured that the concave groove of the PU edge covering will not be damaged during demolding, therefore, a PU concave groove forming mechanism is provided. UTILITY MODEL CONTENTS

[0005] To solve the problems in the above background art, the utility model provides the following technical scheme: a PU concave groove forming mechanism, comprising:

[0006] A rotating mechanism is hinged to the slider at its upper end and fixed to the transmission mechanism at its lower end;

[0007] A rotary mechanism is hinged to the slider at its upper end with a spacing relative to the rotating mechanism, and is hinged to the die side wall at its lower end;

[0008] A transmission mechanism is fixed to the rotating mechanism at its upper end, hinged to the die at its middle part, and hinged to the driving mechanism at its lower end;

[0009] A driving mechanism includes a telescopic driving device and a support seat fixed below the die, the telescopic driving device is hinged to the support seat at its lower end and hinged to the transmission mechanism at its telescopic end.

[0010] Further, the rotating mechanism includes two rotating arms symmetrically arranged on both sides of the die, the rotating arms are hinged to the slider at their upper ends and fixed to the transmission mechanism at their lower ends.

[0011] Further, the rotating mechanism comprises two rotating arms symmetrically arranged on two sides of the mold, the rotating arms and the rotating arms are correspondingly arranged in pairs, the upper end of the rotating arm is hinged to the slider with a spacing relative to the rotating arm, and the lower end is hinged to the side wall of the mold.

[0012] Further, the transmission mechanism comprises a first connecting rod and two second connecting rods hinged to the mold on two sides respectively, the middle part of the first connecting rod is hinged to the driving device through a rotating shaft, the upper end of each of the two second connecting rods is fixedly connected with the corresponding rotating arm on the same side, and the lower end is fixedly connected with the first connecting rod.

[0013] Further, the corresponding second connecting rod and rotating arm are integrally formed.

[0014] Further, the bottom of the telescopic driving device is fixedly connected with a base, and the lower end of the base is hinged to the upper end of the supporting seat.

[0015] Further, the upper end of the supporting seat is provided with two symmetrically arranged ear plates, and the lower end of the base can be inserted between the two ear plates and hinged to the ear plates through a rotating shaft.

[0016] Further, the telescopic driving device is an oil cylinder.

[0017] Further, the slider is provided with a module with a "convex" cross section.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] 1. When demolding, the slider can be separated from the automobile sunroof glass PU edge through the rotating and rotating movement mode, so that the vertical strong demolding at the connecting part is avoided, and product quality defects are caused.

[0020] 2. The demolding action is driven by the driving mechanism, the action transmission is accurate, the movement can be carried out according to the preset trajectory, and the stability of the demolding effect is ensured. DRAWINGS

[0021] The drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present application;

[0023] Figure 2 It is a schematic diagram of the front view structure of the production state of the present application;

[0024] Figure 3This is a front view structural diagram of the entire utility model in the mold-open state;

[0025] Figure 4 This is a cross-sectional schematic diagram of the slider and the product position in the production state of this utility model;

[0026] In the diagram: 1. First link; 2. Second link; 3. Rotating arm; 4. Slider; 6. Rotating arm; 7. Rotating shaft; 8. Telescopic drive device; 9. Base; 10. Support seat. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0028] Depend on Figures 1-4 This utility model discloses a PU groove forming mechanism, comprising:

[0029] The rotating mechanism has its upper end hinged to the slider 4 and its lower end fixed to the transmission mechanism.

[0030] The rotary mechanism has its upper end hinged to the slider 4 at a distance from the rotating mechanism, and its lower end hinged to the mold side wall.

[0031] The transmission mechanism is fixed to the rotating mechanism at its upper end, hinged to the mold in the middle, and hinged to the drive mechanism at its lower end.

[0032] The drive mechanism includes a telescopic drive device 8 and a support seat 10 fixedly installed below the mold. The lower end of the telescopic drive device 8 is hinged to the support seat 10, and the telescopic end is hinged to the transmission mechanism.

[0033] In this embodiment, the rotating mechanism includes two rotating arms 3 symmetrically arranged on both sides of the mold. The upper end of the rotating arm 3 is hinged to the slider 4 through a shaft pin F, and the lower end is fixedly connected to the transmission mechanism.

[0034] The rotary mechanism includes two rotary arms 6 symmetrically arranged on both sides of the mold. The rotating arm 3 and the rotary arm 6 are arranged in pairs corresponding to each other. The upper end of the rotary arm 6 is hinged to the slider 4 with a gap relative to the rotating arm 3, and the lower end is hinged to the side wall of the mold. The rotary arm 6 is connected to the slider 4 by a shaft pin E, and the rotary arm 6 is connected to the mold by a shaft pin D.

[0035] The transmission mechanism comprises a first connecting rod 1 and two second connecting rods 2 respectively hinged on both sides of the mold, the middle part of the first connecting rod 1 is hinged to the driving device through a rotating shaft 7, the upper ends of the two second connecting rods 2 are respectively fixed to corresponding rotating arms 3 on the same side, the lower ends are fixed to the first connecting rod 1, and the second connecting rod 2 is connected with the mold through a shaft pin C.

[0036] The corresponding second connecting rod 2 and rotating arm 3 are integrally formed, and the action transmission is more accurate and reliable.

[0037] The bottom of the telescopic driving device 8 is fixedly connected with a base 9, and the lower end of the base 9 is hinged to the upper end of a supporting seat 10.

[0038] The upper end of the supporting seat 10 has two symmetrically arranged ear plates, and the lower end of the base 9 can be inserted between the two ear plates and hinged to the ear plates through a rotating shaft.

[0039] The telescopic driving device 8 is an oil cylinder.

[0040] The slider 4 is provided with a module with a "convex" cross section.

[0041] The rotating arm is used to separate the mechanism and the PU, so that the mechanism can rotate along the separation direction and avoid damaging the product

[0042] Working principle: when demolding, the opening action of the slider 4 is carried out under the action of the telescopic driving device 8, the telescopic end of the telescopic driving device 8 is retracted to generate a downward pulling force, which acts on the first connecting rod 1 through the rotating shaft 7 and realizes lever action through the second connecting rod 2, so as to drive the rotating arm 3 to rotate upward around the shaft pin C with the shaft pin C as the fulcrum, and then the slider 4 is lifted upward with the shaft pin F as the force point, in the process of lifting the slider 4 upward, the slider 4 can rotate around the shaft pin D at the shaft pin E between the slider 4 and the rotating arm 6, so as to form a pulling back action, realizing the rotation process of the slider 4 around the shaft pin C based on the connection line of the shaft pin F and the shaft pin E as the reference, and then the angle between the slider 4 and the product PU can be accurately controlled, so that the slider 4 can rotate along the separation direction and avoid damaging the product by vertical strong separation; in the production process, the closing action of the slider 4 is realized by the upward pushing force of the telescopic driving device 8, and the closing action of the slider 4 is realized by the upward pushing force of the telescopic driving device 8.

[0043] The closing action of the slider is realized by the upward pushing force of the oil cylinder driving connecting rod.

[0044] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0045] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A PU concave letter groove forming mechanism characterized by comprising: The utility model relates to a mould rotating mechanism, which comprises a rotating mechanism, a rotary mechanism, a transmission mechanism and a driving mechanism. The upper end of the rotating mechanism is hinged to the sliding block (4), and the lower end is fixedly connected to the transmission mechanism. The upper end of the rotary mechanism is hinged to the sliding block (4) with a spacing relative to the rotating mechanism, and the lower end is hinged to the side wall of the mould. The upper end of the transmission mechanism is fixedly connected to the rotating mechanism, the middle part is hinged to the mould, and the lower end is hinged to the driving mechanism. The driving mechanism comprises a telescopic driving device (8) and a support base (10) fixedly arranged below the mould.

2. The PU concave letter groove forming mechanism according to claim 1, characterized in that: The lower end of the telescopic driving device (8) is hinged to the support base (10), and the telescopic end is hinged to the transmission mechanism.

3. The PU concave letter slot forming mechanism according to claim 2, characterized in that: The rotating mechanism comprises two rotating arms (3) symmetrically arranged on both sides of the mould.

4. The PU concave letter slot forming mechanism according to claim 3, characterized in that: The upper end of the rotating arm (3) is hinged to the sliding block (4), and the lower end is fixedly connected to the transmission mechanism.

5. The PU concave letter slot forming mechanism according to claim 4, characterized in that: The rotary mechanism comprises two rotary arms (6) symmetrically arranged on both sides of the mould.

6. The PU concave letter slot forming mechanism according to any one of claims 1 to 5, characterized in that: The rotating arm (3) and the rotary arm (6) are correspondingly arranged in pairs.

7. The PU concave letter slot forming mechanism according to claim 6, characterized in that: The upper end of the rotary arm (6) is hinged to the sliding block (4) with a spacing relative to the rotating arm (3), and the lower end is hinged to the side wall of the mould.

8. The PU concave letter slot forming mechanism according to claim 7, characterized in that: The transmission mechanism comprises a first connecting rod (1) and two second connecting rods (2) hinged on both sides of the mould.

9. The PU concave letter slot forming mechanism according to claim 1, characterized in that: The upper end of each second connecting rod (2) is fixedly connected to the corresponding rotating arm (3) on the same side, and the lower end is fixedly connected to the first connecting rod (1). The corresponding second connecting rod (2) and rotating arm (3) are integrally formed. The bottom of the telescopic driving device (8) is fixedly connected to a base (9), and the lower end of the base (9) is hinged to the upper end of the support base (10). The upper end of the support base (10) has two symmetrically arranged ear plates. The lower end of the base (9) can be inserted between the two ear plates and hinged to the ear plates through a rotating shaft. The telescopic driving device (8) is an oil cylinder. The sliding block (4) is provided with a module with a "convex" cross section.

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