CN215040179U - Firm type blow molding structure of blowing down - Google Patents

Abstract

The utility model discloses a blow molding structure of blowing under firm type, including left die body, right die body and blast apparatus down, blast apparatus sets up in the die cavity bottom that left die body and right die body formed down, is provided with the piece of blowing in the die cavity, and lower blast apparatus is in the die cavity bottom and be connected with the piece of blowing, blast apparatus still is provided with sloping mechanism with the junction of blowing down, sloping mechanism is used for the reinforcement of lower blast apparatus and die cavity to be connected. The injection molding and lower blast apparatus's junction has not only set up connection structure and has connected the two, has still set up sloping block mechanism after connecting, through the sliding fit of sloping block and slider of sloping block mechanism, has realized the secondary lock to injection molding and lower blast apparatus junction, has solved the problem of the difficult fusion of pasting between blowing in-process blowing and the injection molding, also very big improvement the security performance of product.

Description

Firm type blow molding structure of blowing down

Technical Field

The utility model relates to a blow molding structure of blowing down, especially a blow molding structure of blowing down of firm type.

Background

Blow molding is a process of forming a hollow article by blowing a hot-melt parison closed in a mold with the aid of gas pressure, and is a common plastic processing method. Because the blow molding grinding tool is formed in the mold while blowing, compared with injection molding, the blow molding grinding tool has the advantages of lower equipment manufacturing cost, stronger adaptability, good forming performance, capability of forming products with complex undulating shapes and the like. In the prior art, when a blow mold commonly used is placed into an injection molding piece for molding, the connection is simple, the insufficient adhesion degree between the mold and the injection molding piece is easily caused, the injection molding piece is easily dropped, and the product quality and the production safety are reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a blow molding structure of blowing under the firm type of rethread sloping block mechanism joint in order to guarantee firm in connection after injection molding and lower blast apparatus are connected is provided with sloping block mechanism at injection molding and lower blast connection position.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a blow molding structure of blowing under firm type, includes left die body, right die body and blast apparatus down, blast apparatus sets up in the die cavity bottom that left die body and right die body formed down, is provided with the blowing piece in the die cavity, and lower blast apparatus is in the die cavity bottom and be connected with the blowing piece, blast apparatus still is provided with sloping block mechanism with the junction of blowing piece down, sloping block mechanism is used for the reinforcement of blast apparatus and die cavity down to be connected.

As an improvement of the technical scheme, the down blowing device comprises a supporting seat, an oil cylinder and a down blowing needle, the oil cylinder is arranged on the supporting seat, the down blowing needle is fixedly connected with an oil rod of the oil cylinder, and the down blowing needle is driven by the oil cylinder to move up and down.

As a further improvement of the technical scheme, an air blowing needle shell is further arranged on the outer side of the lower air blowing needle, the air blowing needle shell is arranged outside the lower air blowing needle and fixedly connected with the supporting seat, and the air blowing needle shell and the lower air blowing needle are movably arranged.

As a further improvement of the technical scheme, the inclined block mechanism comprises an air cylinder assembly and a buckling assembly, the air cylinder assembly is fixedly arranged on the supporting seat, the buckling assembly is used for buckling the lower blowing device and the blow molding piece, and the buckling assembly is driven through the air cylinder assembly.

As a further improvement of the technical scheme, the air cylinder assembly comprises an air cylinder and a connecting rod, the connecting rod is fixedly connected with an air rod of the air rod, hollow channels are arranged in the oil cylinder and the lower blowing needle, and the connecting rod penetrates through the channels to be connected with the buckling assembly.

As a further improvement of the above technical solution, the hollow channel includes a connecting rod movable channel and a lock movable channel, the lock assembly slides in the lock movable channel, the lock assembly includes an inclined block and a slider, the inclined block is fixedly connected with the connecting rod, the slider is used for locking with the blow-molded part, and the slider is arranged outside the inclined block and pushed through the inclined plane of the inclined block.

As the further improvement of the technical scheme, the sloping block is conical with inclined edge, the end with larger diameter on the sloping block is positioned at the bottom and is connected with the connecting rod, the sliding block comprises a sliding block and a clamping block, one side of the sliding block is inclined and is matched with the edge of the sloping block in a reverse direction, the clamping block is positioned at the end part, far away from the sloping block, of the sliding block, and the clamping block and the sliding block are arranged in an L shape.

The beneficial effects are that: the utility model discloses an injection molding of blow molding structure and lower blast apparatus's junction has not only set up connection structure and has connected the two, has still set up sloping block mechanism after connecting, through the sloping block of sloping block mechanism and the sliding fit of slider, has realized pasting the difficult problem of blending between blowing in-process blowing and the injection molding to the secondary lock of injection molding and lower blast apparatus junction, has solved the blowing and has also very big improvement the security performance of product.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the assembly of the present invention;

FIG. 2 is a schematic structural view of the blow-molded article of the present invention;

fig. 3 is a schematic sectional structure of the blow-molded part of the present invention.

1. A down blowing device; 11. a supporting seat; 12. an oil cylinder; 13. a down blowing needle; 14. a blow pin housing; 2. a swash block mechanism; 21. a cylinder; 22. a connecting rod; 23. a sloping block; 24. a slider; 3. blowing the plastic part; 4. a left mold body; 5. a right mold body; 6. a mold cavity.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1 and 2, a firm type downblowing blow molding structure includes a left mold body 4, a right mold body 5 and a downblowing device 1, the downblowing device 1 is disposed at the bottom of a cavity 6 formed by the left mold body 4 and the right mold body 5, a blow molding member 3 is disposed in the cavity 6, and the downblowing device 1 is disposed at the bottom of the cavity 6 and connected with the blow molding member 3. The blow molding part 3 is arranged in the cavity 6 and connected with the lower blowing device 1, the blow molding part 3 is molded through the matching of the lower blowing device 1 and the cavity 6, the structure is simple, the molding performance is good, and a product with a complex fluctuation shape can be molded. However, in the process of blowing and shaping, the blow molding part 3 is connected with the lower blowing device 1 only by a common structure, and the bonding and the fusion between the blow molding part 3 and the injection molding part are not stable enough, so that the connection part of the lower blowing device 1 and the blow molding part 3 is also provided with an inclined block mechanism 2, and the inclined block mechanism 2 is used for the reinforced connection of the lower blowing device 1 and the cavity 6. Through the cooperation of sloping block mechanism 2, realized the secondary lock to injection molding and 1 junction of lower blast apparatus, solved the problem of the difficult fusion of pasting between blowing molding 3 and the injection molding among the blowing process, also very big improvement the security performance of product.

Referring to fig. 2 and 3, the down blowing device 1 includes a supporting seat 11, an oil cylinder 12 and a down blowing needle 13, the oil cylinder 12 is disposed on the supporting seat 11, the down blowing needle 13 is fixedly connected with an oil rod of the oil cylinder 12, and the down blowing needle 13 is driven by the oil cylinder 12 to move up and down. The outer side of the lower blowing needle 13 is further provided with a blowing needle shell 14, the blowing needle shell 14 is arranged outside the lower blowing needle 13 and fixedly connected with the supporting seat 11, and the blowing needle shell 14 and the lower blowing needle 13 are movably arranged. Similar to the down-blowing structure in the prior art, the down-blowing needle 13 is driven by the oil cylinder 12 to move up and down, so that the connection and disconnection with the injection molding piece are realized. Because still be provided with sloping block mechanism 2, so the support position of supporting seat 11 is equipped with the three-layer, and the supporting seat 11 of bottommost is the bottom plate, and the bottom plate is used for fixing whole blast apparatus. While a second layer of support plates arranged on the base plate is used to mount the blowing needle housing 14, so that the blowing needle housing 14 and the blow-molded part 3 remain stable. The third layer of supporting plate is arranged on the second layer of supporting plate in a reverse direction and is used for supporting the oil cylinder 12 for driving the lower blowing needle 13 and the air cylinder 21 for driving the inclined block mechanism 2, and the third layer of supporting plate and the air cylinder are respectively fixed on two sides of the third layer of supporting plate.

The setting of sloping block mechanism 2 is mainly in order to increase the blowing and moulds 3 and be connected between 1 with lower blast apparatus, and blowing and moulding 3 and lower blast apparatus and be provided with the external connection who adopts the young screw of ripples, when strengthening this kind of outside threaded connection, set up the reverse lock connection in inside and can be more firm. Specifically, the sloping block mechanism 2 comprises an air cylinder 21 assembly and a buckling assembly, wherein the air cylinder 21 assembly is fixedly arranged on the supporting seat 11, the buckling assembly is used for buckling the lower blowing device 1 and the blow molding piece 3, and the buckling assembly is driven through the air cylinder 21 assembly. The cylinder 21 subassembly includes cylinder 21 and connecting rod 22, the gas pole fixed connection of connecting rod 22 and gas pole, oil cylinder 12 and blow down needle 13 are inside all to be provided with hollow passageway, connecting rod 22 passes hollow passageway and is connected with the lock subassembly.

Hollow passageway includes connecting rod 22 activity passageway and lock activity passageway, the lock subassembly slides in lock activity passageway and sets up, the lock subassembly includes sloping block 23 and slider 24, sloping block 23 and connecting rod 22 fixed connection, slider 24 is used for the lock with blow molding 3, slider 24 sets up in the outside of sloping block 23 and promotes through the inclined plane of sloping block 23. The sloping block 23 is the taper shape of edge slope, and the great one end of diameter is located the bottom and is connected with connecting rod 22 on the sloping block 23, slider 24 includes sliding block and fixture block, the lopsidedness setting of sliding block, and with the edge reverse cooperation of sloping block 23, the fixture block is located a side end of keeping away from sloping block 23 on the sliding block, and the fixture block is "L" shape integrative setting with the sliding block. The slide block 24 which is arranged in an inverted L shape is provided with a ninety-degree bend, so that the connection part of the blow molding piece 3 and the lower blowing needle can be clamped well.

When installing the blow molding 3 and blow down mechanism, correspond with the needle device that blows down with injection molding bottom earlier, then start the hydro-cylinder 12 on the needle device that blows down, blow the needle upward movement under the hydro-cylinder 12 drives, blow down the tip of needle and enter into in the 3 bottom openings of blow molding to be connected through the thread of ripples son screw and the needle tip that blows down. After the blowing needle is connected with the blow molding piece 3, the cylinder 21 at the bottom of the oil cylinder 12 is started, the cylinder 21 pushes the connecting rod 22 arranged in the hollow channel to move upwards, and then the sloping block 23 is pushed to move upwards in the buckled hollow channel. Because the side of the sloping block 23 is the slope form, along with the upward movement of the sloping block 23, the slider 24 placed in cooperation with the sloping block 23 also slides upward, when the slider 24 slides upward to the end part of the buckling movable channel along with the sloping block 23, the sloping block 23 continues to push upward, the overlapping width of the slider 24 and the sloping block 23 is greater than the diameter of the buckling movable channel, the end part fixture block of the slider 24 is clamped on the blowing piece 3, and the stable clamping between the blowing piece 3 and the lower blowing device 1 is formed. The sticking and dissolving degree between the blow molding part 3 and the injection molding part is increased.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (7)

1. The utility model provides a blow molding structure bloies under firm type which characterized in that: the blow molding die comprises a left die body, a right die body and a lower blowing device, wherein the lower blowing device is arranged at the bottom of a die cavity formed by the left die body and the right die body, a blow molding part is arranged in the die cavity, the lower blowing device is arranged at the bottom of the die cavity and connected with the blow molding part, an inclined block mechanism is further arranged at the joint of the lower blowing device and the blow molding part, and the inclined block mechanism is used for reinforcing and connecting the lower blowing device and the die cavity.

2. A firm downblow blow molded structure according to claim 1, wherein: the down blowing device comprises a supporting seat, an oil cylinder and a down blowing needle, the oil cylinder is arranged on the supporting seat, the down blowing needle is fixedly connected with an oil rod of the oil cylinder, and the down blowing needle moves up and down through the driving of the oil cylinder.

3. A firm downblow blow molded structure according to claim 2, wherein: the outer side of the lower blowing needle is further provided with a blowing needle shell, the blowing needle shell is arranged outside the lower blowing needle and fixedly connected with the supporting seat, and the blowing needle shell and the lower blowing needle are movably arranged.

4. A firm downblow blow molded structure according to claim 2, wherein: the inclined block mechanism comprises an air cylinder assembly and a buckling assembly, the air cylinder assembly is fixedly arranged on the supporting seat, the buckling assembly is used for buckling the lower blowing device and the blow molding piece, and the buckling assembly is driven through the air cylinder assembly.

5. A firm type downblow blow molding structure according to claim 4, characterized in that: the air cylinder assembly comprises an air cylinder and a connecting rod, the connecting rod is fixedly connected with an air rod of the air rod, hollow channels are arranged in the oil cylinder and the lower blowing needle, and the connecting rod penetrates through the hollow channels to be connected with the buckling assembly.

6. A firm type downblow blow molding structure according to claim 5, characterized in that: the hollow channel comprises a connecting rod movable channel and a lock movable channel, the lock assembly is arranged in the lock movable channel in a sliding mode, the lock assembly comprises an inclined block and a sliding block, the inclined block is fixedly connected with the connecting rod, the sliding block is used for being locked with a blow-molded part, and the sliding block is arranged on the outer side of the inclined block and is pushed through the inclined plane of the inclined block.

7. A firm type downblow blow molding structure according to claim 6, characterized in that: the sloping block is the taper shape of edge slope, and the great one end of diameter is located the bottom and is connected with the connecting rod on the sloping block, the slider includes sliding block and fixture block, the lopsidedness setting of sliding block, and with the marginal reverse cooperation of sloping block, the fixture block is located a lateral tip of keeping away from the sloping block on the sliding block, and the fixture block is "L" shape an organic whole with the sliding block and sets up.

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