Forming mold of blow molding machine

Abstract

The utility model discloses a blow molding machine forming mold which comprises a base plate, an injection molding head and a blow molding pipe, a driving motor is fixedly installed in the middle of the upper portion of the base plate through bolts, supporting legs are fixedly connected to the left side and the right side of the upper portion of the base plate, and protective frames are fixedly connected to the upper ends of the supporting legs; the end of an output shaft of the driving motor is fixedly connected with a driving rod, the upper end of the driving rod is rotationally connected to the protection frame, a gear is fixedly installed on the outer side of the driving rod, and meanwhile the front side and the rear side of the gear are in engaged connection with racks. The rack is slidably arranged on the inner side of the driving rod, one end of the rack is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with mold bodies, and meanwhile the two mold bodies are located below the injection molding head. According to the forming mold of the blow molding machine, the two sets of racks are arranged on the inner sides of the supporting legs in a sliding mode, so that the racks can drive the two sets of mold bodies to be separated through the connecting rods, and subsequent taking of blow molding parts is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of blow molding machines, in particular to a forming mold for a blow molding machine. Background Art

[0002] Blow molding is a rapidly developing plastic processing method. In the blow molding machine, a tubular plastic parison obtained by extrusion or injection molding of thermoplastic resin is placed in a split mold while hot. After the mold is closed, compressed air is immediately introduced into the parison to inflate the plastic parison and make it cling to the inner wall of the mold. After cooling and demolding, various hollow products are obtained.

[0003] Publication No. "CN219133208U" is a blow molding machine mold that is easy to demould, including two fixed tables, a blow molding cylinder is arranged opposite to the fixed table, the blow molding cylinder is connected to the mold, and a connecting plate is symmetrically arranged on the mold, a clamping cylinder is arranged opposite to the connecting plate, and the clamping cylinder is connected to the clamping plate, and a laser sensor is arranged on one of the connecting plates, and the laser sensor is located above the clamping plate; the device can realize the rapid demoulding of the blow molding part by clamping the scraps of the blow molding part, and the blow molding part itself will not be directly acted on during the demoulding process, avoiding the problem of directly driving the top plate to eject the blow molding part in the prior art, causing the surface deformation of the blow molding part;

[0004] The mold opening process of the mold generally uses two sets of driving parts to drive the two sets of molds to open and close respectively, and the device uses two sets of blow molding cylinders for blow molding, and then clamps the blow molded parts through the clamping cylinder. Therefore, the device uses too many energy parts, which is not conducive to reducing the production cost of blow molding parts. Therefore, we proposed that the blow molding machine molding mold can solve the above problems well. Utility Model Content

[0005] The purpose of the utility model is to provide a blow molding machine forming mold to solve the problem raised by the above background technology that the mold opening process on the market is generally driven by two sets of driving parts to open and close the two sets of molds respectively, and the device performs blow molding through two sets of blow molding cylinders, and then clamps the blow molded parts through clamping cylinders. Therefore, the device uses too many energy parts, which is not conducive to reducing the production cost of blow molded parts.

[0006] To achieve the above object, the utility model provides the following technical solutions: a blow molding machine forming mold, comprising a base plate, an injection molding head and a blow molding tube, a driving motor is fixedly installed in the middle of the upper part of the base plate by bolts, and support legs are fixedly connected to the left and right sides of the upper part of the base plate, and a protective frame is fixedly connected to the upper end of the support leg;

[0007] It also includes: the output shaft end of the driving motor is fixedly connected to a driving rod, and the upper end of the driving rod is rotatably connected to the inner side of the protective frame, and a gear is fixedly installed on the outer side of the driving rod, and the front and rear sides of the gear are meshed and connected with racks;

[0008] The rack is slidably arranged inside the driving rod, one end of the rack is fixedly connected to a connecting rod, and one end of the connecting rod is fixedly connected to a mold body, and both sets of mold bodies are located below the injection head.

[0009] Preferably, the lower end of the blow molding tube is fixedly connected to the protective frame, and the upper end of the blow molding tube is arranged inside the two sets of mold bodies, and a tubular embryo is sleeved on the outside of the blow molding tube. The tubular embryo can be discharged through the injection molding head, and blow molding ports are opened at equal intervals above the blow molding tube.

[0010] Preferably, a clamping motor is fixedly installed on the right inner wall of the protective frame by bolts, and the mold body is slidably connected to the top of the protective frame, and the output shaft end of the clamping motor is fixedly connected to a screw rod, while the left end of the screw rod is rotatably connected to the inner wall of the protective frame.

[0011] Preferably, a clamping plate is threadedly connected to the outer side of the screw rod, and the clamping plate is slidably arranged on the inner side of the protective frame, and a fixing plate is fixedly installed on the inner side of the middle part of the protective frame.

[0012] Preferably, the lower end of the tubular embryo is arranged between the clamping plate and the fixing plate, and the tubular embryo can be clamped by the cooperation of the two groups of clamping plates and the fixing plate.

[0013] Preferably, a limiting rod is fixedly installed on the front side of the protective frame, and a pressing plate is slidably connected to the outer side of the limiting rod, and a cutting blade is fixedly installed on the upper end of the pressing plate.

[0014] Preferably, a slot for inserting a cutting blade is provided on the front side of the protective frame, and a spring is sleeved on the outer side of the limiting rod, and the spring can be compressed by a pressure plate.

[0015] Compared with the prior art, the beneficial effect of the utility model is that the blow molding machine molding mold is set by two sets of racks sliding on the inner side of the support legs, so that the racks can drive the two sets of mold bodies to separate through the connecting rod, so as to facilitate the subsequent removal of the blow molded parts. The specific contents are as follows:

[0016] (1) A gear is provided, and the drive motor is turned on so that the drive motor drives the gear 4 to rotate through the drive rod. The rotation of the gear will drive the connecting rod fixedly connected at its end to move through the two sets of racks. The movement of the connecting rod will drive the two sets of mold bodies to separate. At this time, the blow-molded parts can be quickly taken out, which is very convenient;

[0017] (2) A clamping plate is provided, and the clamping motor is turned on, so that the clamping motor drives the screw rod to rotate inside the protective frame. Since the screw rod and the clamping plate are threadedly connected, the screw rod will drive the two sets of clamping plates to move relative to each other. The two sets of clamping plates cooperate with the fixed plate to clamp the tubular embryo, which is beneficial to the stability of the subsequent blow molding of the tubular embryo;

[0018] (3) A cutting blade is provided to press the pressing plate so that the pressing plate slides outside the limiting rod. The movement of the pressing plate drives the cutting blade to be inserted into the protective frame. The lower end of the tubular embryo can be cut off by the cutting blade, so as to facilitate the production of blow molded parts and their subsequent removal;

[0019] (4) A blow molding tube is provided, and air flow is input into the blow molding tube through an external fan. Through the through hole opened on the blow molding tube, the tubular embryo can be attached to the inner side of the mold body under the action of the air flow, thereby completing the blow molding of the tubular embryo. At the same time, the air blowing through the blow molding tube can quickly cool the blow molded part;

[0020] (5) A spring is provided. When the pressure plate drives the cutting blade to move, the pressure plate will compress the spring. When the cutting blade completes cutting of the blow molding machine, the spring's reset action will cause the cutting blade to move in the reverse direction, thereby facilitating the reuse of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front section structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the moving structure of the mold body of the utility model;

[0023] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 4 This is a schematic diagram of the movable structure of the clamping plate of the utility model;

[0025] Figure 5 This is a schematic diagram of the front view structure of the utility model;

[0026] Figure 6 For this utility model Figure 5 The enlarged structural diagram at B in the middle;

[0027] Figure 7 This is a schematic diagram of the upper section structure of the limit rod of the utility model;

[0028] Figure 8 It is a schematic diagram of the top-sectional structure of the rack of the utility model.

[0029] In the figure: 1. Base plate; 2. Drive motor; 3. Drive rod; 4. Gear; 5. Rack; 6. Connecting rod; 7. Mold body; 8. Injection head; 9. Tubular embryo; 10. Blow molding tube; 11. Support leg; 12. Protective frame; 13. Clamping motor; 14. Screw rod; 15. Clamping plate; 16. Fixed plate; 17. Cutting disc; 18. Press plate; 19. Limit rod; 20. Spring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Embodiment 1: Solve the problem that the tubular embryo 9 cannot be clamped, please refer to Figure 1-Figure 8 The utility model provides a technical solution: a blow molding machine forming mold, including a base plate 1, an injection head 8 and a blow molding tube 10, a driving motor 2 is fixedly installed on the upper middle part of the base plate 1 by bolts, and support legs 11 are fixedly connected to the left and right sides of the upper part of the base plate 1, and a protective frame 12 is fixedly connected to the upper end of the support leg 11;

[0032] It also includes: the output shaft end of the driving motor 2 is fixedly connected to the driving rod 3, and the upper end of the driving rod 3 is rotatably connected to the protective frame 12, and a gear 4 is fixedly installed on the outside of the driving rod 3, and the front and rear sides of the gear 4 are meshed with racks 5; the rack 5 is slidably arranged on the inside of the driving rod 3, and one end of the rack 5 is fixedly connected to the connecting rod 6, and one end of the connecting rod 6 is fixedly connected to the mold body 7, and the two groups of mold bodies 7 are located below the injection molding head 8; the lower end of the blow molding tube 10 is fixedly connected to the protective frame 12, and the upper end of the blow molding tube 10 is arranged on the inner side of the two groups of mold bodies 7, and the outer side of the blow molding tube 10 is sleeved with a tubular embryo 9, and the tubular embryo 9 can be discharged through the injection molding head 8 , and the blow molding ports are opened at equal intervals above the blow molding tube 10; a clamping motor 13 is fixedly installed on the inner wall of the right side of the protective frame 12 by bolts, and the mold body 7 is slidably connected to the top of the protective frame 12, and the output shaft end of the clamping motor 13 is fixedly connected to a screw rod 14, and the left end of the screw rod 14 is rotatably connected to the inner wall of the protective frame 12; a clamping plate 15 is threadedly connected to the outer side of the screw rod 14, and the clamping plate 15 is slidably arranged on the inner side of the protective frame 12, and a fixing plate 16 is fixedly installed on the inner side of the middle part of the protective frame 12; the lower end of the tubular embryo 9 is arranged between the clamping plate 15 and the fixing plate 16, and the tubular embryo 9 can be clamped by the cooperation of two groups of clamping plates 15 and the fixing plate 16;

[0033] First, the tubular embryo 9 is discharged to the outside of the blow molding tube 10 through the injection molding head 8. At this time, the tubular embryo 9 will be located between the two sets of mold bodies 7, and the lower end of the tubular embryo 9 will be located between the two sets of clamping plates 15 and the fixed plate 16. At this time, the clamping motor 13 can be controlled to open, so that the output shaft end of the clamping motor 13 drives the screw rod 14 to rotate inside the protective frame 12. Since the screw rod 14 and the clamping plate 15 are threadedly connected, the screw rod 14 will drive the two sets of clamping plates 15 to move relative to each other. The tubular embryo 9 can be clamped by the cooperation of the two sets of clamping plates 15 and the fixed plate 16, which is beneficial to the stability of the subsequent blow molding of the tubular embryo 9;

[0034] Embodiment 2: In this embodiment, if Figure 1-Figure 4 As shown, based on the first embodiment, a structure in which the cutting blade 17 cuts off the lower end of the tubular embryo 9 is also disclosed, and the specific contents are as follows;

[0035] A limit rod 19 is fixedly installed on the front side of the protection frame 12, and a pressure plate 18 is slidably connected to the outer side of the limit rod 19, and a cutting blade 17 is fixedly installed on the upper end of the pressure plate 18; a slot for inserting the cutting blade 17 is opened on the front side of the protection frame 12, and a spring 20 is sleeved on the outer side of the limit rod 19, and the spring 20 can be compressed by the pressure plate 18;

[0036] The blow molding tube 10 is controlled to be opened, and the tubular embryo 9 can be attached to the inner side of the mold body 7 through the through hole opened on the blow molding tube 10, so as to complete the blow molding of the tubular embryo 9. When the tubular embryo 9 is cooled, the pressing plate 18 is manually pressed to make the pressing plate 18 slide outside the limit rod 19. At the same time, the pressing plate 18 will compress the spring 20. The movement of the pressing plate 18 will drive the cutting blade 17 to be inserted into the protective frame 12. The lower end of the tubular embryo 9 can be cut off by the cutting blade 17, so as to facilitate the production of blow molded parts and the subsequent removal thereof.

[0037] Embodiment 3: In this embodiment, if Figure 1-Figure 6 As shown, based on the second embodiment, a structure in which the connecting rod 6 drives the two sets of mold bodies 7 to separate is also disclosed, and its specific contents are as follows;

[0038] The driving motor 2 is controlled to be turned on so that the output shaft end of the driving motor 2 drives the driving rod 3 to rotate on the inner side below the protective frame 12. The rotation of the driving rod 3 will drive the gear 4 fixedly installed on its outer side to rotate. The rotation of the gear 4 will drive the two sets of racks 5 to move oppositely through the meshing connection. The movement of the rack 5 will drive the connecting rod 6 fixedly connected at its end to move. The movement of the connecting rod 6 will drive the two sets of mold bodies 7 to separate. At this time, the blow-molded parts can be quickly taken out, which is very convenient. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A blow molding machine forming mold, comprising a base plate (1), an injection molding head (8) and a blow molding tube (10), wherein a drive motor (2) is fixedly mounted on the upper middle portion of the base plate (1) by means of bolts, and support legs (11) are fixedly connected to both left and right sides of the upper portion of the base plate (1), and a protective frame (12) is fixedly connected to the upper end of the support leg (11); It is characterized in that Also includes: The output shaft end of the driving motor (2) is fixedly connected to a driving rod (3), and the upper end of the driving rod (3) is rotatably connected to the inner side of the protection frame (12), and a gear (4) is fixedly installed on the outer side of the driving rod (3), and the front and rear sides of the gear (4) are meshedly connected to racks (5); The rack (5) is slidably arranged inside the driving rod (3), and one end of the rack (5) is fixedly connected to a connecting rod (6), and one end of the connecting rod (6) is fixedly connected to a mold body (7), and both sets of mold bodies (7) are located below the injection head (8).

2. A blow molding machine forming mold according to claim 1, characterized in that: The lower end of the blow molding tube (10) is fixedly connected to the protective frame (12), and the upper end of the blow molding tube (10) is arranged on the inner side of the two sets of mold bodies (7), and a tubular embryo (9) is sleeved on the outer side of the blow molding tube (10), and the tubular embryo (9) can be discharged through the injection molding head (8), and blow molding ports are opened at equal intervals above the blow molding tube (10).

3. A blow molding machine forming mold according to claim 2, characterized in that: A clamping motor (13) is fixedly mounted on the right inner wall of the protection frame (12) by means of bolts, and a mold body (7) is slidably connected to the top of the protection frame (12), and a screw rod (14) is fixedly connected to the end of the output shaft of the clamping motor (13), while the left end of the screw rod (14) is rotatably connected to the inner wall of the protection frame (12).

4. A blow molding machine forming mold according to claim 3, characterized in that: The outer side of the screw rod (14) is threadedly connected with a clamping plate (15), and the clamping plate (15) is slidably arranged on the inner side of the protection frame (12), and a fixing plate (16) is fixedly installed on the inner side of the middle part of the protection frame (12).

5. A blow molding machine forming mold according to claim 4, characterized in that: The lower end of the tubular embryo (9) is arranged between the clamping plate (15) and the fixing plate (16), and the tubular embryo (9) can be clamped by the cooperation of the two sets of clamping plates (15) and the fixing plate (16).

6. A blow molding machine forming mold according to claim 5, characterized in that: A limiting rod (19) is fixedly mounted on the front side of the protection frame (12), a pressing plate (18) is slidably connected to the outside of the limiting rod (19), and a cutting blade (17) is fixedly mounted on the upper end of the pressing plate (18).

7. A blow molding machine forming mold according to claim 6, characterized in that: The front side of the protection frame (12) is provided with a slot for inserting the cutting blade (17), and the outer side of the limiting rod (19) is sleeved with a spring (20), and the spring (20) can be compressed by the pressing plate (18).

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