Injection blowing bottle preform pulling-out device with core rod locking structure

Abstract

The utility model relates to the technical field of bottle preform blow molding, and discloses an injection blow molding bottle preform pulling-out device with a core rod locking structure. The injection blowing bottle preform pulling-out device with the core rod locking structure comprises a connecting frame, a limiting pipe is fixedly installed above the connecting frame, a connecting shaft is installed in the center of the connecting frame in a penetrating and inserting mode, a spring is installed on the outer side of the connecting shaft in a penetrating and inserting mode, a movable frame is fixedly installed at the bottom end of the connecting shaft, and the movable frame is fixedly connected with the core rod locking structure. A connecting block is fixedly installed at the top end of the connecting shaft, a limiting shaft is installed on the axis of the connecting block in a penetrating mode, the transmission rod and the connecting ring form rotating connection, the bottom end of the transmission rod can move towards the outer side when the handle rotates towards the inner side, the transmission rod rotates with the axis of the connecting ring as the reference, and the top end of the transmission rod moves towards the inner side. And the distance between the limiting blocks fixedly mounted at the top end of the transmission rod can be reduced along with the inward rotation of the handle, so that the core rod is clamped by the rubber pad on the inner side, and the position of the core rod is limited when the bottle preform is pulled out.

Description

TECHNICAL FIELD

[0001] The utility model relates to bottle embryo blow molding technical field, concretely is a kind of injection blow bottle embryo pulling device with core rod locking structure. BACKGROUND

[0002] Bottle blank is formed by injection molding under specific temperature and pressure, which is filled into gun mold of mold, and is formed under the working condition of injection molding machine. After injection molding, it is semi-finished product as intermediate body, and then becomes terminal product through blow molding.

[0003] The existing can refer to the announcement No. CN207772394U of Chinese utility model patent, which discloses a pulling mechanism, which comprises a cylinder, a fixed seat, a tension spring, a pull rod, a heating chain, a bottle embryo, a clamping jaw, a base and a lifting rod, the cylinder is fixed on the upper end of the fixed seat, the lower end of the cylinder is fixed with the lifting rod, the lower end of the lifting rod passes through the fixed seat and extends to the lower side of the fixed seat, the lower end of the lifting rod is fixed with the pull rod, the lower end of the pull rod is fixed with the heating chain, the lower end of the heating chain is provided with the bottle embryo, the lower side of the bottle embryo is provided with the clamping jaw, the clamping jaw is fixed on the upper end of the base, the pull rod is fixed with the tension spring, the cylinder is fixedly connected with the pull rod through the lifting rod, and the utility model has reliable action and good self-lubricating performance.

[0004] The bottle produced by the existing plastic injection blow hollow forming machine is bottle embryo, which is not easy to be pulled off, and needs to be pulled off by hook, which is very laborious and easy to damage the core rod, which is very inconvenient. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the defects of the prior art, the utility model provides a kind of injection blow bottle embryo pulling device with core rod locking structure, with the advantages of avoiding damaging core rod and facilitating taking down bottle embryo, to solve the above technical problems.

[0007] (II) technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a kind of injection blow bottle embryo pulling-out device with mandrel locking structure, comprising: connecting frame, the upper portion of the connecting frame is fixedly installed with limit tube, the center of the connecting frame is inserted and installed with connecting shaft, the outside of the connecting shaft is inserted and installed with spring, the bottom end of the connecting shaft is fixedly installed with movable frame, the top end of the connecting shaft is fixedly installed with connecting block, the shaft center of the connecting block is inserted and installed with limit shaft, the upper portion of the limit shaft is movably installed with clamp, the inside of the connecting frame is fixedly installed with adapter shaft, the outside of the adapter shaft is movably installed with handle, the inside of the handle is movably installed with connecting rod, the top end of the handle is fixedly installed with transmission shaft, the upper portion of the transmission shaft is movably installed with transmission rod, the center of the transmission rod is movably installed with connecting ring, the top end of the transmission rod is fixedly installed with limit block, the inside of the limit block is fixedly installed with rubber pad;The limit tube can limit the rotation angle of clamp.

[0009] As a preferred technical scheme of the utility model, the center of the connecting frame is provided with cylindrical aperture structure embedded with the connecting shaft, the limit tube is trumpet-shaped, and the top end of the connecting shaft is provided with disc-shaped protruding structure;The connecting shaft can drive the clamp to move downward.

[0010] As a preferred technical scheme of the utility model, the connecting shaft and the connecting frame form sliding connection, the top end of the spring is fixedly connected with the bottom end of the connecting frame, and the bottom end is fixedly connected with the movable frame;The spring can facilitate the reset of the connecting shaft.

[0011] As a preferred technical scheme of the utility model, the connecting block is symmetrically installed on the front and rear two sides of the top end of the connecting shaft based on the center of the connecting shaft, the limit shaft and the connecting block form fixed connection, the clamp and the limit shaft form rotary connection, the clamp is half tubular structure, and the inner wall of the clamp is provided with half annular protrusion;The connecting block can limit the position of the limit shaft.

[0012] As a preferred technical scheme of the utility model, the handle is symmetrically installed on the left and right two sides of the connecting frame through the adapter shaft, and the handle and the adapter shaft form rotary connection;The handle can drive the transmission rod to rotate.

[0013] As a preferred technical scheme of the utility model, one end of the connecting rod and the handle form rotary connection, and the other end and the movable frame form rotary connection;The connecting rod can drive the movable frame to rotate by the handle.

[0014] As a preferred technical scheme of the utility model, the transmission rod is symmetrically installed on the top end of the left and right two handles through the transmission shaft, and the transmission rod and the transmission shaft form rotary connection, and the transmission rod and the connecting ring form rotary connection;The transmission rod can drive the limit block to move.

[0015] Compared with the prior art, the injection-blowing bottle blank pulling-out device with the mandrel locking structure has the following beneficial effects:

[0016] 1、The transmission rod is installed on the top of the left and right handles in mirror image symmetry through the transmission shaft, and rotationally connected between the transmission rod and the transmission shaft and between the transmission rod and the connecting ring, the bottom end of the transmission rod moves outward when the handle rotates inward, rotates around the axis of the connecting ring, and the top end moves inward, the distance between the limiting blocks fixedly installed on the top end of the transmission rod decreases when the handle rotates inward, so that the rubber pad on the inner side clamps the mandrel, thereby limiting the position of the mandrel when the bottle blank is pulled out.

[0017] 2、The fixture is rotationally connected between the fixture and the limiting shaft, the fixture is a one-half tubular structure, the inner wall of the fixture is provided with a one-half annular protrusion, the limiting shaft is fixedly connected with the connecting block, the connecting block is installed on the front and rear sides of the top end of the connecting shaft in mirror image symmetry around the center of the connecting shaft, the fixture is installed above the connecting shaft in mirror image symmetry through the connecting shaft, when the handle rotates outward, the movable frame is driven by the connecting rod to move upward, the fixture is lifted, and the fixture rotates around the axis of the limiting shaft when located above the connecting frame, so as to wrap the bottle blank, then the handle is rotated inward, the fixture is driven by the connecting shaft to move downward, clamps the bottle blank, the protruding structure on the inner side of the fixture can limit the relative position of the bottle blank and the fixture, then the handle is continuously rotated inward, the upper limiting block drives the rubber pad to clamp the mandrel, the fixture continues to move downward to pull out the bottle blank from below the mandrel, this way can conveniently take down the bottle blank, and the mandrel is not scratched. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a connecting frame cross section structure schematic view of the utility model;

[0020] Figure 3 It is a handle installation structure schematic view of the utility model;

[0021] Figure 4 It is a transmission rod installation structure schematic view of the utility model;

[0022] Wherein: 1, connecting frame; 11, limiting pipe; 12, connecting shaft; 13, spring; 14, movable frame; 15, connecting block; 16, limiting shaft; 17, clamp; 18, adapter shaft; 19, handle; 110, connecting rod; 111, transmission shaft; 112, transmission rod; 113, connecting ring; 114, limiting block; 115, rubber pad. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0024] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Please refer to Figure 1 - Figure 4In this embodiment, a bottle blank pulling device with a mandrel locking structure comprises a connecting frame 1, a limiting tube 11 is fixedly installed above the connecting frame 1, a connecting shaft 12 is inserted and installed in the center of the connecting frame 1, a spring 13 is inserted and installed outside the connecting shaft 12, a movable frame 14 is fixedly installed at the bottom end of the connecting shaft 12, a connecting block 15 is fixedly installed at the top end of the connecting shaft 12, a limiting shaft 16 is inserted and installed at the shaft center of the connecting block 15, a clamp 17 is movably installed above the limiting shaft 16, a switching shaft 18 is fixedly installed inside the connecting frame 1, a handle 19 is movably installed outside the switching shaft 18, a connecting rod 110 is movably installed inside the handle 19, a transmission shaft 111 is fixedly installed at the top end of the handle 19, a transmission rod 112 is movably installed above the transmission shaft 111, a connecting ring 113 is movably installed at the center of the transmission rod 112, a limiting block 114 is fixedly installed at the top end of the transmission rod 112, and a rubber pad 115 is fixedly installed inside the limiting block 114.

[0027] The center of the connecting frame 1 is provided with a cylindrical opening structure matched with the connecting shaft 12, the limiting tube 11 is trumpet-shaped, the top end of the connecting shaft 12 is provided with a disc-shaped protruding structure, the connecting shaft 12 and the connecting frame 1 are in sliding connection, the top end of the spring 13 is fixedly connected with the bottom end of the connecting frame 1, the bottom end is fixedly connected with the movable frame 14, the connecting block 15 is installed on the front and rear sides of the top end of the connecting shaft 12 in front and rear mirror image symmetry with the center of the connecting shaft 12 as the reference, the limiting shaft 16 and the connecting block 15 are in fixed connection, the clamp 17 and the limiting shaft 16 are in rotary connection, the clamp 17 is a half tubular structure, the inner wall of the clamp 17 is provided with a half annular protrusion, the handle 19 is symmetrically installed on the left and right sides of the connecting frame 1 through the switching shaft 18, the handle 19 and the switching shaft 18 are in rotary connection, one end of the connecting rod 110 and the handle 19 are in rotary connection, the other end and the movable frame 14 are in rotary connection, the transmission rod 112 is symmetrically installed on the top end of the left and right handle 19 in left and right mirror image through the transmission shaft 111, and the transmission rod 112 and the transmission shaft 111 are in rotary connection, the transmission rod 112 and the connecting ring 113 are in rotary connection.

[0028] Specifically, the connecting frame 1 can limit the position of the clamp 17, the limiting tube 11 can limit the rotation angle of the clamp 17, the connecting shaft 12 can drive the clamp 17 to move downward, the spring 13 can facilitate the resetting of the connecting shaft 12, the movable frame 14 can drive the connecting shaft 12 to move, the connecting block 15 can limit the position of the limiting shaft 16, the limiting shaft 16 can facilitate the rotation of the clamp 17, the clamp 17 can clamp the bottle embryo, the adapter shaft 18 can facilitate the rotation of the handle 19, the handle 19 can drive the transmission rod 112 to rotate, the connecting rod 110 can make the handle 19 drive the movable frame 14 to rotate, the transmission shaft 111 can facilitate the connecting rod 110 to drive the transmission rod 112 to rotate, the transmission rod 112 can drive the limiting block 114 to move, the connecting ring 113 can limit the rotation angle of the transmission rod 112, the limiting block 114 can limit the position of the rubber pad 115, and the rubber pad 115 can protect the mandrel.

[0029] In use, the transmission rod 112 is installed on the top end of the left and right handles 19 in mirror image symmetry, and the transmission rod 112 and the transmission shaft 111 are rotationally connected, the transmission rod 112 and the connecting ring 113 are rotationally connected, the bottom end of the transmission rod 112 moves outward when the handle 19 rotates inward, and the top end moves inward with the axis of the connecting ring 113 as the reference, the distance between the limiting blocks 114 fixedly installed on the top end of the transmission rod 112 decreases when the handle 19 rotates inward, so that the rubber pad 115 on the inner side clamps the mandrel, thereby limiting the position of the mandrel when the bottle embryo is pulled out, the clamp 17 and the limiting shaft 16 are rotationally connected, the clamp 17 is a one-half tubular structure, the inner wall of the clamp 17 is provided with a one-half annular protrusion, the limiting shaft 16 and the connecting block 15 are fixedly connected, the connecting block 15 is installed on the top end of the connecting shaft 12 in front and back mirror image symmetry with the center of the connecting shaft 12 as the reference, the clamp 17 is installed above the connecting shaft 12 in front and back mirror image symmetry through the connecting shaft 12, when the handle 19 rotates outward, the movable frame 14 can be driven by the connecting rod 110 to move upward, lifting the clamp 17, the clamp 17 can rotate with the axis of the limiting shaft 16 as the reference when it is above the connecting frame 1, so as to wrap the bottle embryo, then the handle 19 is rotated inward, the clamp 17 moves downward under the driving of the connecting shaft 12, clamping the bottle embryo, the protrusion structure on the inner side of the clamp 17 can limit the relative position of the bottle embryo and the clamp 17, then the limiting block 114 above drives the rubber pad 115 to clamp the mandrel as the handle 19 continues to rotate inward, the clamp 17 continues to move downward to pull out the bottle embryo from below the mandrel, which can facilitate the removal of the bottle embryo without scratching the mandrel.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for pulling out injection blown bottle preforms with a mandrel locking structure, characterized in that, Include: The connecting frame (1), the upper fixed installation of the connecting frame (1) is equipped with the limiting pipe (11), the center of the connecting frame (1) is inserted and installed with the connecting shaft (12), the outer side of the connecting shaft (12) is inserted and installed with the spring (13), the bottom end of the connecting shaft (12) is fixedly installed with the movable frame (14), the top end of the connecting shaft (12) is fixedly installed with the connecting block (15), the shaft center of the connecting block (15) is inserted and installed with the limiting shaft (16), the upper movable installation of the limiting shaft (16) is equipped with the clamp (17), the inside of the connecting frame (1) is fixedly installed with the adapter shaft (18), the outer side of the adapter shaft (18) is movably installed with the handle (19), the inside of the handle (19) is movably installed with the connecting rod (110), the top end of the handle (19) is fixedly installed with the transmission shaft (111), the upper movable installation of the transmission shaft (111) is equipped with the transmission rod (112), the center of the transmission rod (112) is movably installed with the connecting ring (113), the top end of the transmission rod (112) is fixedly installed with the limiting block (114), the inner side of the limiting block (114) is fixedly installed with the rubber pad (115).

2. The injection blow bottle embryo pulling-out device with a mandrel locking structure according to claim 1, characterized in that: The center of the connecting frame (1) is provided with a cylindrical aperture structure matched with the connecting shaft (12), the limiting pipe (11) is trumpet-shaped, and the top end of the connecting shaft (12) is provided with a disc-shaped protruding structure.

3. The injection blow bottle embryo pulling-out device with a mandrel locking structure according to claim 1, characterized in that: The connecting shaft (12) and the connecting frame (1) form a sliding connection, the top end of the spring (13) is fixedly connected with the bottom end of the connecting frame (1), and the bottom end is fixedly connected with the movable frame (14).

4. The injection blow bottle embryo pulling-out device with a mandrel locking structure according to claim 1, characterized in that: The connecting block (15) is symmetrically installed on the front and rear sides of the top end of the connecting shaft (12) based on the center of the connecting shaft (12), the limiting shaft (16) and the connecting block (15) form a fixed connection, the clamp (17) and the limiting shaft (16) form a rotating connection, the clamp (17) is a half tubular structure, and the inner wall of the clamp (17) is provided with a half annular protrusion.

5. The injection blow bottle embryo pulling-out device with a mandrel locking structure according to claim 1, characterized in that: The handle (19) is symmetrically installed on the left and right sides of the connecting frame (1) through the adapter shaft (18), and the handle (19) and the adapter shaft (18) form a rotating connection.

6. The injection blow bottle embryo pulling-out device with a mandrel locking structure according to claim 1, characterized in that: One end of the connecting rod (110) and the handle (19) form a rotating connection, and the other end and the movable frame (14) form a rotating connection.

7. The injection blow bottle embryo pulling-out device with a mandrel locking structure according to claim 1, characterized in that: The transmission rod (112) is symmetrically installed on the top of the left and right handles (19) through the transmission shaft (111), and the transmission rod (112) and the transmission shaft (111) are rotationally connected, and the transmission rod (112) and the connecting ring (113) are rotationally connected.

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