Blow molding machine
By using a blow molding machine with a rotating and fixed ring structure, combined with an electric push rod and a cutting assembly, the problem of tube wall deformation in blow-molded parts was solved, achieving uniform cutting and rapid cooling molding, thus improving product quality.
Patent Information
- Application Number
- CN202423068492.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing blow molding machines are prone to causing deformation of the blow molded part wall when removing burrs from the tube blank, and the cutting device usually cuts unevenly in one direction.
It adopts a rotating ring and a fixed ring structure, combined with an electric push rod and a cutting assembly, to cut burrs in multiple directions and use a surrounding water pipe for rapid cooling and molding.
This achieves consistency in the length of blow-molded parts and uniformity of the tube wall, avoiding deformation, while improving product quality and cooling efficiency.
Smart Images
Figure CN223520181U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to blow molding field especially relates to a blow molding machine. BACKGROUND
[0002] Blow molding is a kind of plastic forming process, mainly used for manufacturing hollow plastic products. Blow molding process is widely used in food packaging, daily chemical products, medical treatment, chemical industry, automobile, building, electronics and other industries due to its high efficiency and flexibility. Blow molding products such as beverage bottles, cosmetic bottles, medicine packaging, automobile oil tank and so on are closely related to our daily life.
[0003] In some plastic round pipes, the middle part of the round pipe is usually expanded outward according to the need of its function, forming a cylindrical type with a diameter larger than that of two ends. In order to expand the middle part of the pipe embryo of the plastic round pipe to form the required plastic part, a blow molding machine needs to be used.
[0004] The current blow molding machine usually heats the pipe embryo during blow molding, so that the pipe embryo has strong plasticity. After blow molding is completed, the inflation mechanism leaves the pipe embryo. At this time, the pipe embryo has not been completely fixed, so the inflation mechanism will drive the outside of the pipe embryo, resulting in burr on the outside of the pipe embryo. Therefore, the pipe material on the outside of the pipe embryo needs to be cut, which can not only remove the burr, but also ensure the consistency of the length of the blow molding part. However, the current cutting device usually cuts directly in one direction, and the wall of the blow molding part is relatively thin. Therefore, cutting easily causes the deformation of the wall of the blow molding part. Therefore, a blow molding machine is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a kind of blow molding machine, to improve the problem that the current technology directly cuts in one direction and easily causes the deformation of the wall of blow molding part.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of blow molding machine, including equipment base, the equipment base top is equipped with working groove, the working groove bottom end inner wall is fixedly connected with fixed base, the fixed base top is fixedly connected with water jacket, the water jacket inside is slidably connected with pipe embryo, the fixed base top is fixedly connected with positioning plate, the positioning plate inside is rotatably connected with fixed ring, the fixed ring inside is rotatably connected with rotating ring, the rotating ring top is fixedly connected with lug, the fixed ring left side is hinged with electric push rod, the fixed ring left side is hinged with sliding seat, the sliding seat inside is slidably connected with cutting assembly, the cutting assembly is used to cut blow molding part burr, the positioning plate inside is equipped with rotating groove, the fixed ring outer periphery is fixedly connected with rotating gear, the rotating gear bottom end is engaged with driving gear, the fixed base top end is fixedly connected with power assembly, the power assembly is used to provide cutting power.
[0007] As a further description of the above technical solutions:
[0008] The inside of the water jacket is detachably connected with a forming die, the forming die is peripherally provided with a surrounding water pipe, and the two ends of the surrounding water pipe are fixedly connected with water pipe joints.
[0009] As a further description of the above technical solutions:
[0010] The inner wall of the bottom end of the working groove is provided with an inflation mechanism and a clamping mechanism, and the inflation mechanism and the clamping mechanism are located on one side of the water jacket.
[0011] As a further description of the above technical solutions:
[0012] The pipe embryo is located on the inner side of the rotating ring.
[0013] As a further description of the above technical solutions:
[0014] The rear telescopic end of the electric push rod is hinged to the left side of the protrusion through the fixing frame.
[0015] As a further description of the above technical solutions:
[0016] The cutting assembly comprises a sliding block, the outer periphery of the sliding block is slidingly connected in the inside of the sliding seat, the top end of the sliding block is fixedly connected with a protective sleeve, the inside of the protective sleeve is fixedly connected with a blade, and the right side of the protective sleeve is hinged to the left side of the rotating ring.
[0017] As a further description of the above technical solutions:
[0018] The power assembly comprises a motor support, the top of the motor support is fixedly connected with a rotating motor, the right side output shaft of the rotating motor is fixedly connected with a rotating shaft, the outer periphery of the rotating shaft is rotatably connected in the inside of the positioning plate, and the outer periphery of the rotating shaft is fixedly connected in the inside of the driving gear.
[0019] As a further description of the above technical solutions:
[0020] The driving gear and the rotating gear are located in the inside of the rotating groove.
[0021] As a further description of the above technical solutions:
[0022] The surrounding water pipe is arranged in the inside of the water jacket, and the inner side of the pipe embryo is clamped on both sides of the forming die.
[0023] The utility model has the advantages of the following beneficial effects:
[0024] 1. In the utility model, through setting up rotating ring, fixed ring, opening electric push rod makes cutting assembly deflects inwards, simultaneously opening rotating motor makes cutting assembly rotates around pipe embryo and cuts off redundant selvedge, in guaranteeing the consistency of blow molding length, makes the stress of pipe embryo even, is not easy to deform, improves product quality.
[0025] 2. In the utility model, through setting up water pipe, water pipe joint, after completing blow molding, through water pipe joint and connect cooling water, cooling water surrounds blow molding die and takes away the heat of blow molding die, thereby rapidly reduces blow molding piece temperature, makes blow molding piece rapid cooling and forms. DRAWINGS
[0026] Figure 1 It is an overall front view schematic diagram of the blow molding machine that the utility model proposes;
[0027] Figure 2 It is a water jacket left side schematic diagram of the blow molding machine that the utility model proposes;
[0028] Figure 3 It is a sliding seat left side section schematic diagram of the blow molding machine that the utility model proposes;
[0029] Figure 4 It is a positioning plate right side section schematic diagram of the blow molding machine that the utility model proposes;
[0030] Figure 5 It is a water jacket top surface section schematic diagram of the blow molding machine that the utility model proposes.
[0031] Legend:
[0032] 1, equipment base;2, work groove;3, inflation mechanism;4, clamping mechanism;5, water jacket;6, pipe embryo;7, fixed base;8, positioning plate;9, fixed ring;10, rotating ring;11, lug;12, electric push rod;13, sliding seat;14, sliding block;15, protective sleeve;16, blade;17, rotating groove;18, rotating gear;19, driving gear;20, rotating shaft;21, motor support;22, rotating motor;23, blow molding die;24, water pipe;25, water pipe joint. DETAILED DESCRIPTION
[0033] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0034] With reference to Figures 1-2 The utility model provides an embodiment: a blow molding machine, including the equipment base 1 of fixed support effect, equipment base 1 top is seted up with the working groove 2, the fixed base 7 of fixed connection effect is fixedly connected to working groove 2 bottom end inner wall, the water jacket 5 of fixed support effect is fixedly connected to fixed base 7 top, the pipe embryo 6 of sliding connection is connected in the water jacket 5, the inflation mechanism 3 of the pipe embryo 6 is seted up to the working groove 2 bottom end inner wall and is blown, the clamping mechanism 4 of the other end of pipe embryo 6 is seted up to the working groove 2 bottom end inner wall and is clamped, inflation mechanism 3 and clamping mechanism 4 are located at the one side of water jacket 5 respectively, after clamping mechanism 4 clamps pipe embryo 6, use inflation mechanism 3 to blow the inside of pipe embryo 6, make pipe embryo 6 inside expand into the thicker pipe, the fixed base 7 top is fixedly connected with the positioning plate 8, the positioning plate 8 is provided with two groups, and symmetrically sets up at the both sides of water jacket 5, the fixed ring 9 of rotating connection is connected in the positioning plate 8, the rotating ring 10 of rotating connection is connected in the fixed ring 9, and the inside of rotating ring 10 is located pipe embryo 6, the lug 11 is fixedly connected to the rotating ring 10 top, the electric push rod 12 is hinged to the left side of fixed ring 9, and the electric push rod 12 can open, can accurate drive the telescopic end telescopic amount, the telescopic end of electric push rod 12 rear side is hinged to the left side of lug 11 through the fixed frame, opens electric push rod 12, and the telescopic end of electric push rod 12 rear side will drive lug 11 moves back and forth.
[0035] With reference to Figures 2-4The left side of the fixed ring 9 is hingedly connected with a sliding seat 13. The sliding seat 13 is provided in three groups and is evenly distributed on the left side of the fixed ring 9. A cutting assembly is slidably connected in the sliding seat 13. The cutting assembly is used for cutting the burr of the blow molding part. The cutting assembly comprises a sliding block 14. The sliding block 14 is slidably connected to the inside of the sliding seat 13. The sliding seat 13 limits the sliding block 14 to slide up and down on the inner wall of the sliding seat 13. The top end of the sliding block 14 is fixedly connected with a protective sleeve 15. The protective sleeve 15 is fixedly connected with a blade 16 inside. The inner side of the blade 16 is in contact with the outer periphery of the parison 6. The burr on the outer periphery of the parison 6 is cut off. The right side of the protective sleeve 15 is hingedly connected to the left side of the rotating ring 10. When the rotating ring 10 and the fixed ring 9 relatively rotate, the rotating ring 10 drives the protective sleeve 15 to move close to the sliding seat 13. At this time, the sliding seat 13 drives the blade 16 to deflect towards the center of the rotating ring 10, which is convenient for contacting the outer wall of the parison 6. A rotating groove 17 is formed in the inside of the positioning plate 8. A rotating gear 18 is fixedly connected to the outer periphery of the fixed ring 9. A driving gear 19 is engaged with the bottom end of the rotating gear 18. The driving gear 19 rotates to drive the rotating gear 18 to rotate. The driving gear 19 and the rotating gear 18 are located in the inside of the rotating groove 17. A power assembly is fixedly connected to the top end of the fixed base 7. The power assembly is used for providing cutting power. The power assembly comprises a motor support 21 which plays a fixed supporting role. A rotating motor 22 is fixedly connected to the top of the motor support 21 to provide rotating power. A rotating shaft 20 is fixedly connected to the right side output shaft of the rotating motor 22. The rotating motor 22 drives the rotating shaft 20 to rotate. The rotating shaft 20 is rotatably connected to the inside of the positioning plate 8. The rotating shaft 20 is fixedly connected to the inside of the driving gear 19.
[0036] Referring to Figure 1 and Figure 5 A forming mold 23 is detachably connected to the inside of the water jacket 5. The outer periphery of the parison 6 is clamped in the inside of the forming mold 23. After the parison 6 is inflated, it will expand along the inner wall of the forming mold 23 to form a thicker pipe. The forming mold 23 is provided with a surrounding water pipe 24 around the outer periphery. The surrounding water pipe 24 surrounds the forming mold 23 for multiple turns to uniformly contact the forming mold 23. The surrounding water pipe 24 is arranged in the inside of the water jacket 5. Water pipe connectors 25 are fixedly connected to both ends of the surrounding water pipe 24. The water pipe connectors 25 can be connected to cooling water to rapidly cool and form the blow molding part.
[0037] Working principle: when the burr of the blow molding piece is wanted to be cut off quickly, the electric push rod 12 is started, the electric push rod 12 drives the lug 11 to move forward, the lug 11 drives the rotating ring 10 to rotate, the rotating ring 10 drives the protective sleeve 15 to move, the protective sleeve 15 drives the sliding block 14 to slide in the sliding seat 13, the blade 16 is deflected inward, and the outside of the blow molding piece is contacted, at this time, the rotating motor 22 is started, the rotating motor 22 drives the rotating shaft 20 to rotate, the rotating shaft 20 drives the driving gear 19 to rotate, the driving gear 19 drives the rotating gear 18 to rotate, the rotating gear 18 drives the fixed ring 9 to rotate, the fixed ring 9 drives the blade 16 to rotate, and the electric push rod 12 drives the blade 16 to deflect inward more and more, so that the burr of the blow molding piece is cut off, and the deformation of the outer side of the blow molding piece is prevented. When the blow molding is completed, the cooling water is connected through the water pipe joint 25 on one side, the cooling water is circulated through the surrounding water pipe 24 inside the forming die 23, the heat of the forming die 23 is taken away, and then the cooling water is discharged from the other end of the surrounding water pipe 24, so that the blow molding piece is cooled and formed quickly.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A blow molding machine comprising a plant base (1), characterized in that: The equipment base (1) top is provided with working groove (2), the inner wall of bottom end of working groove (2) is fixedly connected with fixed base (7), the top of fixed base (7) is fixedly connected with water jacket (5), the inside of water jacket (5) is slidably connected with pipe embryo (6), the top of fixed base (7) is fixedly connected with positioning plate (8), the inside of positioning plate (8) is rotatably connected with fixed ring (9), the inside of fixed ring (9) is rotatably connected with rotating ring (10), the top of rotating ring (10) is fixedly connected with lug (11), the left side of fixed ring (9) is hingedly connected with electric push rod (12), the left side of fixed ring (9) is hingedly connected with sliding seat (13), the inside of sliding seat (13) is slidably connected with cutting assembly, the cutting assembly is used for cutting burr of blow molding part, the inside of positioning plate (8) is provided with rotating groove (17), the periphery of fixed ring (9) is fixedly connected with rotating gear (18), the bottom end of rotating gear (18) is engaged with driving gear (19), the top end of fixed base (7) is fixedly connected with power assembly, the power assembly is used for providing cutting power.
2. A blow molding machine according to claim 1, characterized in that: The inside of water jacket (5) is detachably connected with forming mold (23), the periphery of forming mold (23) is provided with surrounding water pipe (24), both ends of surrounding water pipe (24) are fixedly connected with water pipe connector (25).
3. A blow molding machine according to claim 1, characterized in that: The bottom end inner wall of working groove (2) is provided with inflating mechanism (3), the bottom end inner wall of working groove (2) is provided with clamping mechanism (4), inflating mechanism (3) and clamping mechanism (4) are located on one side of water jacket (5) respectively.
4. A blow molding machine according to claim 1, characterized in that: The pipe embryo (6) is located inside the rotating ring (10).
5. A blow molding machine according to claim 1, wherein: The rear side telescopic end of electric push rod (12) is hingedly connected to the left side of lug (11) through a fixed frame.
6. A blow molding machine according to claim 1, wherein: The cutting assembly includes a sliding block (14), the periphery of the sliding block (14) is slidably connected inside the sliding seat (13), the top end of the sliding block (14) is fixedly connected with a protective sleeve (15), the inside of the protective sleeve (15) is fixedly connected with a blade (16), the right side of the protective sleeve (15) is hingedly connected to the left side of the rotating ring (10).
7. A blow molding machine according to claim 1, wherein: The power assembly includes a motor bracket (21), the top of the motor bracket (21) is fixedly connected with a rotating motor (22), the right side output shaft of the rotating motor (22) is fixedly connected with a rotating shaft (20), the periphery of the rotating shaft (20) is rotatably connected inside the positioning plate (8), the periphery of the rotating shaft (20) is fixedly connected inside the driving gear (19).
8. A blow molding machine according to claim 1, wherein: The driving gear (19) and rotating gear (18) are located inside the rotating groove (17).
9. A blow molding machine according to claim 2, wherein: The surrounding water pipe (24) is arranged inside the water jacket (5), and the inside of the pipe embryo (6) is clamped on both sides of the forming mold (23).