TWI819967B - Linkage demoulding mechanism of helmet mold - Google Patents

Abstract

A linkage demoulding mechanism for a helmet mold, including a male mold, a female mold, a slider linkage mechanism located between the male mold and the female mold, and a mold opening handle; the slider linkage mechanism includes a right slider, a left slider, a rear slider Block and slider guide bracket, the mother mold has a corresponding mold cavity relative to the slider linkage mechanism; wherein, the left slider and the right slider are symmetrically installed at both corners of the rear slider and are movably combined with the rear slider hinge hinge; A fixed seat protrudes backward from the rear slider, which is fixed and combined with the mold opening handle and the movable combined slider guide bracket respectively.

Description

Linkage demoulding mechanism of helmet mold

The present invention relates to molds for manufacturing sports helmets, and in particular provides a slider linkage mechanism to facilitate the demoulding of the finished product after injection molding from the mother mold.

It is known that the mold of a sports helmet includes a male mold, a female mold and a plurality of individually independent sliders of different sizes. When demoulding, the sliders must be taken out one by one to leave the product, and then the sliders must be hung back to the female mold one by one. In the above process, the action of peeling off the sliders one by one and hanging them back one by one requires a lot of labor intensity. The sliders are easily damaged during the process, and a larger work surface is also required.

The main purpose of the present invention is to integrate most of the conventional independent slide blocks into a dynamic linkage mechanism. Pulling the mold opening handle outward can drive the slide block linkage mechanism and the product to separate from the mother mold. After taking out the product, the mold opening handle can be Push inward to reset the slider linkage mechanism and hang it back to the mother mold. Manual operation with relatively low labor intensity has the effect of reducing equipment construction costs, improving operational convenience, improving working hours and processes, and increasing manufacturing productivity.

The reason is that the present invention provides a linkage demoulding mechanism for a helmet mold, which includes a male mold, a female mold, a slider linkage mechanism located between the male mold and the female mold, and a mold opening handle; the slider linkage mechanism includes a right slider, The left slider, the rear slider and the slider guide bracket, the mother mold has a corresponding mold cavity relative to the slider linkage mechanism; wherein, the left slider and the right slider are symmetrically installed at both corners of the rear slider and are combined with the rear slider. The hinge is movablely combined; the rear slider protrudes backward with a fixed seat, which fixes and combines the mold opening handle and the movable combined slider guide bracket respectively.

According to the above structural characteristics, the left slider and the right slider are combined with fork-type rotating hinges and fork-type hinge bases at both corners of the rear slider, and guide pins are used to connect the long holes of the rotating hinges and the hinge base in series. round hole.

According to the above structural features, the left slider and the right slider move from the outer dead center of the elongated hole to the inner dead center with the guide pin as the fulcrum. Along with the movement stroke, the left and right sliders open outwards.

According to the above structural characteristics, the rotating hinge is provided with an elbow; the hinge base is provided with a stopper; when the guide pin moves to the dead center position inside the elongated hole, the elbow hits the stopper so that the left slider and the right slider Can no longer be turned outwards.

According to the above structural features, the rear slider protrudes backwards with a fixed seat, which includes a transverse fixing plate and a longitudinal fixing lug. The transverse fixing plate is fixed with a fixing hole and the mold opening handle, and the longitudinal fixing lug is fixed with a connecting rod. The mother mold is connected to the fork-type slider guide bracket in the mold cavity behind the rear slider; the connecting rod is connected in series with the connecting holes of the longitudinal fixing ears and the slider guide groove of the fork-type slider guide bracket, so that the rear slider can be connected to the connecting rod. The fulcrum moves in the upper and lower dead center stroke of the slider guide groove.

During operation, pull the mold opening handle manually like opening a drawer, and the rear slider will move from the bottom dead center position of the slider guide groove to the top dead center position with the connecting rod as the fulcrum. Due to the fork hinge base of the rear slider It is fitted with the fork-type rotating hinges of the left and right slide blocks. Therefore, the left and right slide blocks will move upward together with the rear slide block. The left and right slide blocks and the rear slide block will take the product away from the mother mold, and then the left slide block will be manually moved The slider and the right slider are opened to both sides. Since the left slider and the right slider are connected in series with the rotating hinge and the hinge base with the guide pin, the left slider and the right slider can use the guide pin as a fulcrum. Open outwards and the product is separated from the left and right sliders. After the product is taken out, pull the left and right slides to reset them, push back the mold opening handle like closing a drawer, and hang the slider linkage mechanism back to the mother mold.

1:Male model

2:Mother mold

21:Mold cavity

31:Right slider

311: Rotating hinge

3111: long hole

3112:elbow

32:Left slider

321: Rotating hinge

3211: long hole

3212:elbow

33:Rear slider

331: hinge base

3311: round hole

3312: Stopper

332: Horizontal fixed plate

3321:Fixing hole

333: Longitudinal fixed ears

3331:Connection hole

34:Slider guide bracket

341: Slider guide groove

3411:Bottom dead center

3412:Top dead center

35: Guide pin

36:Connecting rod

4: Mold opening handle

5:Product

Figure 1 is a three-dimensional exploded view of the present invention; Figure 2 is a three-dimensional exploded view of the present invention from another angle; Figure 3 is a schematic diagram of the assembly of the present invention; Figure 4 is a schematic diagram of the rear slider of the present invention located at the bottom dead center of the slider guide groove. ; Figure 5 is a schematic view of the rear slider of the present invention located at the lower dead center position of the slider guide groove from another angle; Figure 6 is a schematic view of the rear slider of the present invention located at the upper dead center position of the slider guide groove; and Figure 7 is a view of the present invention Schematic diagram of the rear slider located at the upper dead center position of the slider guide groove from another angle.

In order to make the above-mentioned purpose, effect and characteristics of the present invention more obvious and easy to understand, the preferred embodiments are described in detail as follows: Please refer to Figures 1 to 7, the present invention is a linkage demoulding mechanism of a helmet mold, including a male mold 1 , female mold 2, a slider linkage mechanism and a mold opening handle 4 located between the male mold 1 and the female mold 2. The slider linkage mechanism includes a right slider 31, a left slider 32, a rear slider 33 and a slider guide bracket. 34. The mother mold 2 has corresponding mold cavities 21 relative to the outer shapes of the right slider 31, the left slider 32, the rear slider 33 and the slider guide bracket 34.

The right slider 31 and the left slider 32 are symmetrically installed at the two corners of the rear slider 33. The fork-type rotating hinges 311 and 321 below the right slider 31 and the left slider 32 protrude from the two corners of the rear slider 33 to the rear side. The fork hinge base 331 is fitted, and the guide pin 35 is connected in series with the long holes 3111, 3211 of the rotating hinges 311, 321 and the round hole 3311 of the hinge base, so that the right slider 31 and the left slider 32 can be guided in this way. The latch 35 serves as the fulcrum and moves from the outer dead center of the elongated holes 3111 and 3211 to the inner dead center. the right slider 31 and the left slider 32 open outward until the inner dead center of the long holes 3111 and 3211, the rotating hinge elbows 3112 and 3212 resist the hinge base stop 3312, the right slider 31 and the left slider 31 Block 32 can no longer be folded outwards.

The rear slider 33 protrudes backwards with a transverse fixing plate 332 and downward longitudinal fixing ears 333. The transverse fixing plate 332 is provided with two fixing holes 3321 for fixing with the mold opening handle 4. The longitudinal fixing ears 333 are connected by two thick middle portions. A connecting rod 36 with a thin end similar to a rolling pin is connected to a fork-type slider guide bracket 34. The fork-type slider guide bracket 34 is fixedly arranged in the mold cavity 21 behind the rear slider 33 of the mother mold 2. The connecting rod 36 The connecting hole 3331 of the longitudinal fixing ear 333 and the slider guide groove 341 of the fork-type slider guide bracket 34 are connected in series, so that the rear slider 33 uses the connecting rod 36 as the fulcrum at the bottom dead center 3411 and the top dead center of the slider guide groove 341 3412 moves during the trip.

When the mold opening handle 4 is pulled manually like opening a drawer, the rear slider 33 will move from the bottom dead center 3411 of the slider guide groove 341 to the top dead center 3412 with the connecting rod 36 as the fulcrum. Due to the fork hinge of the rear slider 33 The base 331 is fitted with the rotating hinges 321 and 311 of the left and right slide blocks 32 and 31. Therefore, the left and right slide blocks 32 and 31 will move upward together with the rear slide block 33. The left and right slide blocks 32 and 31 are in contact with the rear slide block 33. The three of them take the product 5 away from the mother mold 2 together, and then manually pull the left and right sliders 32 and 31 to both sides. Since the left and right sliders 32 and 31 are connected in series with the rotating hinges 321 and 311 and the hinge with the guide pin 35, The base 331, therefore, the left and right slide blocks 32, 31 can be turned outwards with the guide pin 35 as a fulcrum, and the product 5 can be separated from the left and right slide blocks 32, 31. After the product is taken out, pull the left and right sliders 32 and 31 to reset, push back the mold opening handle like closing a drawer, and hang the slider linkage mechanism back to the mother mold.

To sum up, the demoulding process of the present invention can be easily completed through the following four steps: 1. Detach the male mold; 2. Pull the mold opening handle to detach the slider linkage mechanism and the product from the female mold together; 3. Move to both sides Open the left and right sliders; 4. Take out the product.

It is known that for most sliders, the action of peeling off the sliders one by one and hanging them back one by one during demolding is very labor-intensive. The sliders are easily bruised during the process, and a larger work surface is also required. The present invention integrates most of the conventional independent slide blocks into a linkage mechanism, and the mold opening handle is like pulling out the drawer. Pulling outward like a drawer can drive the slider linkage mechanism and the product to separate from the mother mold. After taking out the product, pull the left and right sliders to reset, push back the mold opening handle and hang the slider linkage mechanism back to the mother mold. The invention is operated by manpower with relatively low labor intensity, and has the effects of reducing equipment construction costs, improving operational convenience, improving working hours and processes, and increasing manufacturing productivity.

The technical content and technical features of the present invention have been disclosed as above. However, those skilled in the art may still make various substitutions and modifications based on the disclosure of the present invention without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should not be limited to what is disclosed in the embodiments, but should include various substitutions and modifications that do not deviate from the present invention, and are covered by the following patent application scope.

1:Male model

2:Mother mold

21:Mold cavity

31:Right slider

32:Left slider

33:Rear slider

34:Slider guide bracket

35: Guide pin

36:Connecting rod

4: Mold opening handle

5:Product

Claims (5)

A linkage demoulding mechanism for a helmet mold, including a male mold, a female mold, a slider linkage mechanism located between the male mold and the female mold, and a mold opening handle; the slider linkage mechanism includes a right slider, a left slider, a rear slider Block and slider guide bracket, the mother mold has a corresponding mold cavity relative to the slider linkage mechanism; wherein, the left slider and the right slider are symmetrically installed at both corners of the rear slider and are movably combined with the rear slider hinge hinge; A fixed seat protrudes backward from the rear slider, which is fixed and combined with the mold opening handle and the movable combined slider guide bracket respectively. As for the linked demoulding mechanism of the helmet mold described in claim 1, the left slider and the right slider are combined with fork-type hinge bases at both corners of the rear slider by fork-type rotating hinges, and are rotated in series with guide pins. Elongated hole for hinge and round hole for hinge base. As in the linked ejection mechanism of the helmet mold described in claim 2, the left slider and the right slider use the guide pin as a fulcrum to move from the outer dead center of the long hole to the inner dead center. With the movement stroke, the left slider and the right slider move The block flips outwards. As in claim 2, the linked demoulding mechanism of the helmet mold, the rotating hinge is provided with an elbow; the hinge base is provided with a stopper; when the guide pin moves to the dead center position inside the long hole, the elbow touches the stopper The left slider and the right slider can no longer be opened outwards. As for the linked release mechanism of the helmet mold described in claim 1, the rear slider protrudes rearward with a fixed seat, and the fixed seat includes a transverse fixing plate and a longitudinal fixing ear. The transverse fixing plate is fixed with a fixing hole and the mold opening handle. The longitudinal fixing ear is connected with a connecting rod and a fork-type slider guide bracket fixed in the mold cavity behind the rear slider opposite to the mother mold. Connection; the connecting rod is connected in series with the connecting hole of the longitudinal fixed ear and the slider guide groove of the fork-type slider guide bracket, so that the rear slider can move in the upper and lower dead center stroke of the slider guide groove with the connecting rod as the fulcrum.

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