Injection molding device for silica gel piece

Abstract

The utility model relates to the technical field of injection molding, in particular to an injection molding device for silica gel parts, which comprises a longitudinally arranged injection molding mechanism and a mold mechanism positioned below the injection molding mechanism, and the mold mechanism comprises a first mold and a second mold which are transversely arranged; the injection molding mechanism comprises a glue injection barrel and a glue injection head mounted at the bottom of the glue injection barrel; a demolding mechanism is arranged beside the mold mechanism and comprises a demolding rod and a demolding driving part for driving the demolding rod to move; injecting the glue injection liquid into a mold so as to facilitate injection molding; and after forming is completed, the glue injection barrel with the glue injection head is lifted, after forming, the first mold and the second mold are away from each other, and the demolding mechanism works at the moment. The demolding seat is inserted between the first mold and the second mold under driving of the second demolding telescopic air cylinder, then the demolding seat is driven by the first demolding telescopic air cylinder to get close to the first mold, a product in the first mold is clamped through the clamping piece, and then the demolding seat retreats, so that the product is prevented from being adhered to the interior of the mold.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding technical field especially relates to a kind of injection molding device of silica gel part. BACKGROUND

[0002] Silica gel injection molding and plastic injection molding material are different, and silica gel injection molding uses silicone rubber as raw material, while plastic injection molding uses thermoplastic as raw material. Silicone rubber has high elasticity, high heat resistance, high transparency, chemical corrosion resistance and other properties, and the production process used in silica gel injection molding is liquid silicone injection molding. The silica gel is heated to liquid state first, and then injected into the mold for molding.

[0003] By setting shaft on both sides of the model disc, and setting motor outside one side shaft, the motor can drive the model disc to rotate, so that after the product in the mold groove is formed, the mold groove is turned over, and the formed product can be easily poured out. The main principle is to make the product fall out of the material by turning over the mold.

[0004] Since the silica gel part injection molding has certain adhesion, and the weight is relatively low, the silica gel part in the mold is not easy to fall off, which affects the subsequent silica gel part molding. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiency of prior art to provide a kind of injection molding device of silica gel part.

[0006] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0007] An injection molding device of silica gel part, comprising a vertically arranged injection molding mechanism and a mold mechanism located below the injection molding mechanism. The mold mechanism includes a first mold and a second mold arranged horizontally. The first mold and the second mold move relative to each other, and the movement path of the first mold and the second mold is the first movement direction. The injection molding mechanism includes a glue injection barrel and a glue injection head installed at the bottom of the glue injection barrel. The glue injection barrel can move in the vertical direction to approach or move away from the mold mechanism.

[0008] A demolding mechanism is provided beside the mold mechanism. The demolding mechanism includes a demolding rod aligned horizontally with the first mold and the second mold, and a demolding drive member that drives the movement of the demolding rod. The movement direction of the demolding rod is the second movement direction, which is perpendicular to the first movement direction. A demolding seat is installed at the end of the demolding rod. The demolding seat is installed with a clamping member that makes opening and closing movements. The demolding drive member includes a first demolding telescopic cylinder arranged in the first movement direction and a second demolding telescopic cylinder arranged in the second movement direction. The driving end of the first demolding telescopic cylinder is connected with the cylinder body of the second demolding telescopic cylinder, and the driving end of the second demolding telescopic cylinder is connected with the demolding rod.

[0009] Further, the injection mechanism further comprises an injection support for mounting the injection barrel, the injection support comprises a top mounting strip mounted on the top of the injection barrel and a bottom mounting strip mounted below the injection barrel, and a vertical mounting strip is arranged between the top mounting strip and the bottom mounting strip.

[0010] Further, the number of top mounting strips is two, the two top mounting strips are arranged in a gap, an injection lifting cylinder is mounted on the top between the two top mounting strips, an injection rod is mounted on the driving end of the injection lifting cylinder, and the bottom of the injection rod extends to the injection barrel and cooperates with the injection head to control the glue output of the injection head.

[0011] Further, the number of bottom mounting strips is two, a guide plate is mounted between the two bottom mounting strips, the guide plate is formed with a guide hole coaxially aligned with the injection head, and a guide sleeve inserted into the mold mechanism is mounted at the bottom of the guide hole.

[0012] Further, the mold mechanism comprises a transverse support frame, the first mold and the second mold move transversely on the top of the transverse support frame, a vertical support frame is mounted on the top of the transverse support frame, and the injection barrel moves vertically in the vertical support frame.

[0013] Further, a first vertical lifting cylinder is mounted on the top of the vertical support frame, a lifting connecting seat is mounted on the outer side wall of the vertical mounting strip, and the lifting connecting seat is connected with the driving end of the first vertical lifting cylinder.

[0014] Further, the mold mechanism further comprises a first telescopic cylinder and a second telescopic cylinder arranged along the first movement direction, the first telescopic cylinder and the second telescopic cylinder are both mounted on the transverse support frame, and the first telescopic cylinder and the second telescopic cylinder are oppositely arranged, wherein the driving end of the first telescopic cylinder is provided with a plurality of first connecting rods, and the first connecting rods are connected with the first mold, and the driving end of the second telescopic cylinder is provided with a plurality of second connecting rods, and the second connecting rods are connected with the second mold.

[0015] Further, the clamping member comprises a circular plate formed on the demolding seat, the circular plate is formed with a plurality of radially arranged movable grooves, a movable seat is slidingly mounted in the movable grooves, and the movable seat is mounted with a clamping column.

[0016] Further, the demolding mechanism further comprises a blanking seat oppositely arranged with the demolding seat, the blanking seat is connected with a blanking rod which makes telescopic movement along the first movement direction at the back of the blanking seat, and a first collecting box and a second collecting box for accommodating products are arranged below the blanking seat.

[0017] Further, the blanking seat is mounted with a supporting plate, the supporting plate is formed with a standing side plate on the side, and the standing side plate is mounted with a vision detection camera arranged transversely.

[0018] The utility model discloses beneficial effect: when injection moulding, first mould and second mould are close to each other, form the closed die state, then injection moulding mechanism works, and the glue injection barrel of installing glue injection head drops, and glue injection head inserts to the mould, and the glue injection liquid is injected to the mould to facilitate injection moulding; after forming, the glue injection barrel of having glue injection head rises, after forming, first mould and second mould are far from each other, and the demoulding mechanism works at this moment. The demoulding seat is inserted between first mould and second mould under the drive of second demoulding telescopic cylinder, then the demoulding seat is close to first mould under the drive of first demoulding telescopic cylinder, and the product in first mould is clamped through the clamping piece, then retreats, realizes demoulding, prevents product from sticking in the mould. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is structural schematic diagram of injection moulding device.

[0020] Figure 2 It is structural schematic diagram of injection moulding mechanism.

[0021] Figure 3 It is structural schematic diagram of mould mechanism and demoulding mechanism.

[0022] Figure 4 It is partial close -up view of demoulding mechanism.

[0023] The reference signs include:

[0024] 1-injection moulding mechanism,

[0025] 10-vertical support frame, 11-injection support, 12-top mounting strip, 13-bottom mounting strip,

[0026] 14-vertical mounting strip, 15-first vertical lifting cylinder, 16-lifting connecting seat,

[0027] 2-glue injection barrel,

[0028] 21-glue injection lifting cylinder, 22-glue injection rod, 23-plugging glue, 24-guide plate, 25-guide hole,

[0029] 26-guide sleeve, 27-glue injection head,

[0030] 3-mould mechanism,

[0031] 31-transverse support frame, 32-first telescopic cylinder, 33-second telescopic cylinder, 34-first connecting rod,

[0032] 35-second connecting rod, 36-first mould, 37-second mould,

[0033] 4-demoulding mechanism,

[0034] 40 - demolding driving member, 41 - first demolding telescopic cylinder, 42 - second demolding telescopic cylinder,

[0035] 43 - demolding rod, 44 - demolding seat, 45 - circular plate, 46 - movable groove, 47 - movable seat, 48 - clamping column,

[0036] 5 - blanking seat,

[0037] 51 - blanking rod, 52 - third demolding telescopic cylinder, 53 - supporting plate, 54 - side vertical plate,

[0038] 55 - visual detection camera, 56 - first collection box, 57 - second collection box. DETAILED DESCRIPTION

[0039] The utility model is described in detail below in combination with the drawings.

[0040] As Figures 1-4 shown, a kind of injection molding device of silica gel piece, including injection mechanism 1 being arranged longitudinally and the mould mechanism 3 below injection mechanism 1, mould mechanism 3 includes first mould 36 and second mould 37 being arranged transversely, relative motion between first mould 36 and second mould 37, the movement path of first mould 36 and second mould 37 is first movement direction;Injection mechanism 1 includes glue injection barrel 2 and glue injection head 27 installed at the bottom of glue injection barrel 2, glue injection barrel 2 can be motioned in vertical direction close or far from mould mechanism 3;

[0041] Specifically, mould mechanism 3 includes transverse support frame 31, first mould 36 and second mould 37 are moved transversely on the top of transverse support frame 31, mould mechanism 3 further includes first telescopic cylinder 32 and second telescopic cylinder 33 being arranged along first movement direction, first telescopic cylinder 32 and second telescopic cylinder 33 are all installed to transverse support frame 31, first telescopic cylinder 32 and second telescopic cylinder 33 are oppositely arranged, wherein the driving end of first telescopic cylinder 32 is installed with multiple first connecting rods 34, and first connecting plate is connected with first mould 36, wherein the driving end of second telescopic cylinder 33 is installed with multiple second connecting rods 35, and second connecting rod 35 is connected with second mould 37.Under the telescopic drive of first telescopic cylinder 32 and second telescopic cylinder 33, first mould 36 and second mould 37 can be close to each other or far away, and the moulding and opening are realized.

[0042] Vertical support frame 10 is installed on the top of transverse support frame 31, and glue injection barrel 2 moves vertically in vertical support frame 10.

[0043] The injection mechanism 1 further comprises an injection support 11 for mounting the glue injection barrel 2, the injection support 11 comprises a top mounting strip 12 mounted on the top of the glue injection barrel 2 and a bottom mounting strip 13 mounted below the glue injection barrel 2, and a vertical mounting strip 14 is arranged between the top mounting strip 12 and the bottom mounting strip 13. A first vertical lifting cylinder 15 is mounted on the top of the vertical support 10, a lifting connecting seat 16 is mounted on the outer side wall of the vertical mounting strip 14, and the lifting connecting seat 16 is connected with the driving end of the first vertical lifting cylinder 15. In the embodiment, under the driving of the first vertical lifting cylinder 15, the injection support 11 can move up and down in the vertical support, and the glue injection barrel 2 as a whole can move up and down to approach or move away from the mold mechanism 3.

[0044] The number of the top mounting strips 12 is two, the two top mounting strips 12 are arranged in gaps, a glue injection lifting cylinder 21 is mounted on the top between the two top mounting strips 12, a glue injection rod 22 is mounted on the driving end of the glue injection lifting cylinder 21, the bottom of the glue injection rod 22 extends to the glue injection barrel 2 and cooperates with a glue injection head 27 to control the glue output of the glue injection head 27. During glue injection, the glue injection lifting cylinder 21 drives the glue injection rod 22 to move up and down, a plug glue 23 is mounted on the bottom of the glue injection rod 22, when the glue injection rod 22 is lifted, the glue liquid in the glue injection barrel 2 can flow out from the glue injection head 27 into the mold to realize glue injection, and when the glue injection rod 22 is lowered, the plug glue 23 blocks the glue injection head 27, so that the glue liquid cannot flow out from the glue injection barrel 2.

[0045] Preferably, the number of the bottom mounting strips 13 is two, a guide plate 24 is mounted between the two bottom mounting strips 13, the guide plate 24 is formed with a guide hole 25 coaxially aligned with the glue injection head 27, and a guide sleeve 26 inserted into the mold mechanism 3 is mounted on the bottom of the guide hole 25. Under the action of the guide hole 25 and the guide sleeve 26, the glue injection head 27 is inserted into the guide sleeve 26 along the guide hole 25, which ensures that the glue liquid of the glue injection head accurately enters the mold, facilitating rapid molding.

[0046] A demolding mechanism 4 is arranged beside the mold mechanism 3, the demolding mechanism 4 comprises a demolding rod 43 transversely aligned with the first mold 36 and the second mold 37 and a demolding driving member 40 driving the demolding rod 43 to move, the movement direction of the demolding rod 43 is a second movement direction, the second movement direction is perpendicular to the first movement direction, a demolding seat 44 is mounted on the end of the demolding rod 43, and a clamping member moving in an opening and closing manner is mounted on the demolding seat 44; the demolding driving member 40 comprises a first demolding telescopic cylinder 41 arranged in the first movement direction and a second demolding telescopic cylinder 42 arranged in the second movement direction, wherein the driving end of the first demolding telescopic cylinder 41 is connected with the cylinder body of the second demolding telescopic cylinder 42, and the driving end of the second demolding telescopic cylinder 42 is connected with the demolding rod 43.

[0047] During injection molding, the first mold 36 and the second mold 37 approach each other to form a closed mold. Then, the injection mechanism 1 operates, and the injection barrel 2 equipped with the injection head 27 descends. The injection head 27 inserts into the mold, injecting the injection liquid into the mold for injection molding. After molding, the injection barrel 2 with the injection head 27 rises. After molding, the first mold 36 and the second mold 37 move away from each other, at which point the demolding mechanism 4 operates. Driven by the second demolding telescopic cylinder 42, the demolding seat 44 inserts between the first mold 36 and the second mold 37. Then, driven by the first demolding telescopic cylinder 41, the demolding seat 44 approaches the first mold 36, clamping the product inside the first mold 36 using clamping components. It then retracts, achieving demolding and preventing the product from sticking inside the mold.

[0048] Specifically, the clamping component includes a circular plate 45 formed on the demolding base 44. The circular plate 45 has multiple radially arranged movable grooves 46. Movable seats 47 are slidably installed on the movable grooves 46. Clamping pillars 48 are installed on the movable seats 47. The demolding base 44 is equipped with a finger cylinder. The finger cylinder drives the movable seats 47 to move radially along the movable grooves 46, so that the clamping pillars 48 can clamp the injection-molded product, which is convenient for demolding.

[0049] The demolding mechanism 4 also includes a feeding seat 5 arranged opposite to the demolding base 44. A feeding rod 51, which extends and retracts along a first direction of motion, is connected to the back of the feeding seat 5. A third demolding telescopic cylinder 52 is installed on the transverse support frame 31. The third demolding telescopic cylinder 52 can drive the feeding rod 51 to extend and retract laterally. A first collection box 56 and a second collection box 57 for collecting products are provided below the feeding seat 5. The first collection box 56 is for good products, and the second collection box 57 is for defective products. A support plate 53 is installed on the feeding seat 5. The support plate 53 consists of a pair of laterally aligned clamps. The clamps are opened and closed by a finger cylinder installed on the feeding seat 5. When the clamps open, the products on the support plate 53 fall off; when closed, they support the products and prevent them from falling. A raised side plate 54 is formed on the side of the support plate 53, and a laterally arranged visual inspection camera 55 is installed on the side plate 54. In this embodiment, after the demolding seat 44 of the demolding mechanism 4 clamps and demolds the product, the support plate 53 of the unloading seat 5 receives the product. After receiving, the visual inspection camera 55 of the side plate 54 takes pictures to detect the product's quality. If it is a qualified product, the third demolding telescopic cylinder 52 drives the unloading seat 5 to move vertically aligned with the first collection box 56 and drops it into the first collection box 56. If it is a defective product, the third demolding telescopic cylinder 52 drives the unloading seat 5 to move vertically aligned with the second collection box 57 and drops it into the second collection box 57.

[0050] In summary, this utility model possesses the aforementioned excellent characteristics, enabling it to achieve unprecedented efficiency in use and thus become a highly practical product.

[0051] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An injection molding apparatus for a silicone grommet comprising a longitudinal injection unit and a mold unit positioned below the injection unit, characterized by: The mold mechanism comprises a first mold and a second mold arranged transversely, the first mold and the second mold are relatively moved, and the movement path of the first mold and the second mold is a first movement direction; the injection mechanism comprises a glue injection barrel and a glue injection head mounted at the bottom of the glue injection barrel, and the glue injection barrel can move in the vertical direction to approach or move away from the mold mechanism; A demolding mechanism is arranged beside the mold mechanism, the demolding mechanism comprises a demolding rod transversely aligned with the first mold and the second mold and a demolding drive member for driving the movement of the demolding rod, the movement direction of the demolding rod is a second movement direction, the second movement direction is perpendicular to the first movement direction, a demolding seat is mounted at the end of the demolding rod, and a clamping member capable of opening and closing movement is mounted on the demolding seat; the demolding drive member comprises a first demolding telescopic cylinder arranged in the first movement direction and a second demolding telescopic cylinder arranged in the second movement direction, wherein the driving end of the first demolding telescopic cylinder is connected with the cylinder body of the second demolding telescopic cylinder, and the driving end of the second demolding telescopic cylinder is connected with the demolding rod.

2. The injection molding apparatus of a silicone article of claim 1, wherein: The injection mechanism further comprises an injection support for mounting the glue injection barrel, the injection support comprises a top mounting strip mounted at the top of the glue injection barrel and a bottom mounting strip mounted below the glue injection barrel, and a vertical mounting strip is arranged between the top mounting strip and the bottom mounting strip.

3. The injection molding apparatus of claim 2, wherein: The number of the top mounting strips is two, the two top mounting strips are arranged with a gap, and a glue injection lifting cylinder is mounted between the two top mounting strips, a glue injection rod is mounted at the driving end of the glue injection lifting cylinder, the bottom of the glue injection rod extends to the glue injection barrel and cooperates with the glue injection head to control the glue output of the glue injection head.

4. The injection molding apparatus of claim 3, wherein: The number of the bottom mounting strips is two, a guide plate is mounted between the two bottom mounting strips, the guide plate is formed with a guide hole coaxially aligned with the glue injection head, and a guide sleeve inserted into the mold mechanism is mounted at the bottom of the guide hole.

5. The injection molding apparatus of claim 4, wherein: The mold mechanism comprises a transverse support frame, the first mold and the second mold move transversely on the top of the transverse support frame, a vertical support frame is mounted on the top of the transverse support frame, and the glue injection barrel moves vertically in the vertical support frame.

6. The injection molding apparatus of claim 5, wherein: A first vertical lifting cylinder is mounted on the top of the vertical support frame, a lifting connecting seat is mounted on the outer side wall of the vertical mounting strip, and the lifting connecting seat is connected with the driving end of the first vertical lifting cylinder.

7. The injection molding apparatus of claim 6, wherein: The mold mechanism further comprises a first telescopic cylinder and a second telescopic cylinder arranged in the first movement direction, the first telescopic cylinder and the second telescopic cylinder are both mounted on the transverse support frame, and the first telescopic cylinder and the second telescopic cylinder are oppositely arranged, wherein a plurality of first connecting rods are mounted at the driving end of the first telescopic cylinder, the first connecting rods are connected with the first mold, and a plurality of second connecting rods are mounted at the driving end of the second telescopic cylinder, the second connecting rods are connected with the second mold.

8. The injection molding apparatus of claim 1, wherein: The clamping member comprises a circular plate formed on the demolding seat, the circular plate is formed with a plurality of radially arranged movable grooves, a movable seat is slidably mounted in the movable grooves, and a clamping column is mounted on the movable seat.

9. The apparatus for injection molding a silicone article of claim 8, wherein: The demolding mechanism further comprises a blanking seat oppositely arranged with the demolding seat, the blanking seat is connected with a blanking rod capable of telescopic movement in the first movement direction at the back, and a first collecting box and a second collecting box for storing products are arranged below the blanking seat.

10. The apparatus for injection molding a silicone article of claim 9, wherein: The blanking seat is provided with a supporting plate, and a vertical side plate is formed on the side of the supporting plate. The vertical side plate is provided with a transversely arranged visual detection camera.

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