Hollow forming machine for PVC (polyvinyl chloride) plastic container

Abstract

The utility model discloses a hollow forming machine for a PVC (polyvinyl chloride) plastic container, and relates to the technical field of hollow forming machines. The PVC plastic container hollow forming machine comprises a supporting bottom plate and a movable fixing device, the movable fixing device is arranged on the supporting bottom plate and comprises a fixing plate, the fixing plate is fixedly connected to the upper surface of the supporting bottom plate, supporting plates are fixedly connected to the front surface and the rear surface of the fixing plate, and hydraulic air cylinders are fixedly connected to the upper surfaces of the supporting plates. The telescopic end of a hydraulic air cylinder slidably penetrates out of the rear surface of a fixing plate, a rectangular plate is placed into a rectangular groove, two sliding blocks are clamped into the inner walls of two sliding grooves, meanwhile, two threaded rods enter two threaded holes, two servo motors are reversely rotated, and the rectangular plate is placed in the rectangular groove. And the rectangular groove can gradually enter the inner wall of the rectangular groove under the driving of the two threaded rods, replacement of the mold plate is completed, and compared with a fixing mode that a connecting rod and a nut are used for fastening, the fixing device has the advantages of being convenient to disassemble and firmer in fixing.

Description

Technical Field

[0001] The utility model relates to the technical field of hollow molding machines, in particular to a hollow molding machine for PVC plastic containers. Background Art

[0002] A hollow molding machine for processing plastic products with publication number CN216466112U. The utility model discloses a hollow molding machine for processing plastic products, comprising a base and a sliding frame, a fixed frame is arranged on the top of the base, a transmission mechanism is installed on the outer side of the fixed frame, a screw is arranged on the inner side of the transmission mechanism, a gear is connected to the outer side of the screw, the sliding frame is arranged on the outer side of the gear, and a mounting mechanism is arranged on the side of the sliding frame, a first mold is installed on the outer side of the mounting mechanism, a second mold is arranged on the side of the first mold, a spring is arranged inside the second mold, and a guide rod is arranged on the outer side of the first mold; the utility model is provided with a first mold, and different molds can be replaced conveniently and stably for use. Adjusting and replacing different types of molds is conducive to the equipment to better meet different processing requirements, improve the overall application range of the equipment, enrich the processing types, convenient disassembly and assembly, flexible replacement and installation operations can be performed, and the installation is stable.

[0003] However, the above-mentioned hollow molding machine for processing plastic products uses connecting rods and nuts to fix the mold. During the process of fixing the mold, one worker is required to hold the mold by hand, and another worker completes the installation of the connecting rod and the nut. In addition, the tightening force of the nut needs to be repeatedly adjusted, which leads to the problem of cumbersome installation. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a PVC plastic container hollow molding machine, which can solve the problem of fixing the mold by fastening with connecting rods and nuts. When fixing the mold, one staff member is required to hold the mold by hand, and another staff member completes the installation of the connecting rod and the nut, and it is also necessary to repeatedly adjust the fastening force of the nut, resulting in cumbersome installation.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PVC plastic container hollow molding machine, comprising a supporting bottom plate, a movable fixing device, the movable fixing device is arranged on the supporting bottom plate, the movable fixing device comprises a fixing plate, the fixing plate is fixedly connected to the upper surface of the supporting bottom plate, and the front and rear surfaces of the fixing plate are fixedly connected to the supporting plate;

[0008] The upper surface of the support plate is fixedly connected with a hydraulic cylinder, the telescopic end of the hydraulic cylinder slides through the rear surface of the fixed plate, and the telescopic end of the hydraulic cylinder is fixedly connected with a mounting plate.

[0009] Preferably, the front surface of the mounting plate is fixedly connected to two guide rods, and the front ends of the two guide rods slide through the front surface of the fixing plate;

[0010] Among them, the two guide rods both play a stabilizing and supporting role in the forward and backward movement of the mounting plate.

[0011] Preferably, a rectangular groove is provided on the left side of the mounting plate, a rectangular plate is provided on the inner wall of the rectangular groove, two threaded holes are provided on the left side of the rectangular plate, and both threaded holes pass through the right side of the rectangular plate.

[0012] Preferably, the rear surface of the mounting plate is provided with two slide grooves communicating therewith, and the rear surface of the mounting plate is fixedly connected with two sliding blocks which are both adapted to the slide grooves.

[0013] Preferably, the two sliders are respectively slidably connected to the corresponding slide grooves, and the two sliders play a guiding role in the installation of the mounting plate;

[0014] Among them, two concave fixing plates are fixedly connected to the right side of the mounting plate, and the concave parts of the two concave fixing plates are fixedly connected to servo motors;

[0015] The output ends of the two servo motors are fixedly connected with threaded rods, the right ends of the two threaded rods are rotated to penetrate into the interior of the rectangular groove, and are fixedly installed with the rectangular plate through two threaded holes.

[0016] Preferably, the right ends of the two sliding blocks are fixedly connected with a mold plate, and the shape of the mold on the mold plate can be determined according to actual conditions;

[0017] There are two movable fixing devices, and the two movable fixing devices are arranged in a front-to-back correspondence.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] (1) The PVC plastic container hollow molding machine places the rectangular plate into the interior of the rectangular groove, and makes the two slide blocks engage with the inner walls of the two slide grooves. At the same time, the two threaded rods will enter the interior of the two threaded holes, and the two servo motors will be reversed. Driven by the two threaded rods, the rectangular groove will gradually enter the inner wall of the rectangular groove, and the mold plate will be replaced. Compared with the fixing method using connecting rods and nuts, it has the advantages of convenient disassembly and more firm fixing.

[0021] (2) In the PVC plastic container hollow molding machine, two threaded rods drive the rectangular plate to move to the left through the inner wall of the rectangular groove via two threaded holes, and the rectangular plate drives the mold plate to move to the left via two sliders. The two sliders stabilize and guide the movement of the mold plate and the rectangular plate, thereby improving the accuracy and movement stability of the mold plate and the rectangular plate during disassembly and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the connection between the slider and the rectangular plate of the utility model;

[0025] Figure 3 This is a schematic diagram of the connection between the servo motor and the threaded rod of the utility model.

[0026] Figure numerals: 1. Support base plate; 2. Guide rod; 3. Support plate; 4. Hydraulic cylinder; 5. Mounting plate; 6. Mold plate; 7. Fixing plate; 8. Rectangular groove; 9. Threaded rod; 10. Slider; 11. Slide groove; 12. Threaded hole; 13. Rectangular plate; 14. Servo motor; 15. Concave fixing plate. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0028] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] See also Figure 1-3 The utility model provides a technical solution: a PVC plastic container hollow molding machine, comprising a supporting bottom plate 1, a movable fixing device, the movable fixing device is arranged on the supporting bottom plate 1, the movable fixing device comprises a fixing plate 7, the fixing plate 7 is fixedly connected to the upper surface of the supporting bottom plate 1, and the front and rear surfaces of the fixing plate 7 are fixedly connected with the supporting plate 3;

[0032] The upper surface of the support plate 3 is fixedly connected with a hydraulic cylinder 4 , the telescopic end of the hydraulic cylinder 4 slides through the rear surface of the fixed plate 7 , and the telescopic end of the hydraulic cylinder 4 is fixedly connected with a mounting plate 5 .

[0033] Furthermore, two guide rods 2 are fixedly connected to the front surface of the mounting plate 5, and the front ends of the two guide rods 2 are slidably passed through the front surface of the fixing plate 7;

[0034] The two guide rods 2 both play a role in stabilizing and supporting the forward and backward movement of the mounting plate 5 .

[0035] Furthermore, a rectangular groove 8 is provided on the left side of the mounting plate 5 , a rectangular plate 13 is provided on the inner wall of the rectangular groove 8 , two threaded holes 12 are provided on the left side of the rectangular plate 13 , and both threaded holes 12 pass through the right side of the rectangular plate 13 .

[0036] Furthermore, two slide grooves 11 communicating with the mounting plate 5 are formed on the rear surface thereof, and two sliding blocks 10 adapted to the slide grooves 11 are fixedly connected to the rear surface of the mounting plate 5 .

[0037] Furthermore, the two sliders 10 are respectively slidably connected to the corresponding slide grooves 11 , and the two sliders 10 play a guiding role in the installation of the mounting plate 5 .

[0038] Among them, two concave fixing plates 15 are fixedly connected to the right side of the mounting plate 5, and the concave parts of the two concave fixing plates 15 are fixedly connected to the servo motors 14;

[0039] The output ends of the two servo motors 14 are fixedly connected with threaded rods 9 , and the right ends of the two threaded rods 9 are rotated to penetrate into the rectangular groove 8 and are fixedly installed with the rectangular plate 13 through two threaded holes 12 .

[0040] Furthermore, the right ends of the two sliders 10 are fixedly connected with a mold plate 6, and the mold shape on the mold plate 6 can be determined according to actual conditions;

[0041] There are two movable fixing devices, and the two movable fixing devices are arranged in a front-to-back correspondence.

[0042] Furthermore, when the mold plate 6 is replaced, the two servo motors 14 are first started, and the rotation direction of the two servo motors 14 moves. The two servo motors 14 drive the two threaded rods 9 to rotate. The two threaded rods 9 drive the rectangular plate 13 to move to the left through the inner wall of the rectangular groove 8 through the two threaded holes 12. The rectangular plate 13 drives the mold plate 6 to move to the left through the two sliders 10. The two sliders 10 play a stabilizing and guiding role in the movement of the mold plate 6 and the rectangular plate 13, thereby improving the accuracy and movement stability of the mold plate 6 and the rectangular plate 13 during disassembly and installation. When the rectangular plate 13 and the two threaded rods 9 are completed The rectangular plate 13 is disassembled as a whole by disengaging the rectangular groove 8 and the inner walls of the two threaded holes 12, and then the rectangular plate 13 needed is taken out as a whole, and the rectangular plate 13 is placed into the interior of the rectangular groove 8, and the two sliders 10 are engaged with the inner walls of the two slide grooves 11. At the same time, the two threaded rods 9 will enter the interior of the two threaded holes 12, and the two servo motors 14 are reversed. Driven by the two threaded rods 9, the rectangular groove 8 will gradually enter the inner wall of the rectangular groove 8, and the replacement of the mold plate 6 is completed. Compared with the fixing method using connecting rods and nuts, it has the advantages of convenient disassembly and more secure fixation. The replacement of the other mold plate 6 is the same.

[0043] Working principle: When replacing the mold plate 6, first start the two servo motors 14, the two servo motors 14 move in the direction of rotation, the two servo motors 14 drive the two threaded rods 9 to rotate, the two threaded rods 9 drive the rectangular plate 13 through the inner wall of the rectangular groove 8 to move to the left through the two threaded holes 12, the rectangular plate 13 drives the mold plate 6 to move to the left through the two sliders 10, the two sliders 10 play a stabilizing and guiding role in the movement of the mold plate 6 and the rectangular plate 13, wait until the rectangular plate 13 and the two threaded rods 9 are completely separated from the rectangular groove 8 and the two threaded holes 12 The inner wall completes the disassembly of the entire rectangular plate 13, and then the rectangular plate 13 needed is taken out as a whole, and the rectangular plate 13 is placed into the interior of the rectangular groove 8, and the two sliders 10 are engaged with the inner walls of the two slide grooves 11. At the same time, the two threaded rods 9 will enter the interior of the two threaded holes 12, and the two servo motors 14 are reversed. Under the drive of the two threaded rods 9, the rectangular groove 8 will gradually enter the inner wall of the rectangular groove 8, and the replacement of the mold plate 6 is completed. Compared with the fixing method using connecting rods and nuts, it has the advantages of convenient disassembly and more secure fixation. The same is true for the replacement of the other mold plate 6.

[0044] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A PVC plastic container blow molding machine, characterized in that: include: Supporting base plate (1); A movable fixing device, the movable fixing device is arranged on the supporting base plate (1), the movable fixing device comprises a fixing plate (7), the fixing plate (7) is fixedly connected to the upper surface of the supporting base plate (1), and the front and rear surfaces of the fixing plate (7) are fixedly connected to the supporting plate (3); The upper surface of the support plate (3) is fixedly connected to a hydraulic cylinder (4), the telescopic end of the hydraulic cylinder (4) slides through the rear surface of the fixed plate (7), and the telescopic end of the hydraulic cylinder (4) is fixedly connected to a mounting plate (5).

2. A PVC plastic container hollow molding machine according to claim 1, characterized in that: The front surface of the mounting plate (5) is fixedly connected to two guide rods (2), and the front ends of the two guide rods (2) slide through the front surface of the fixing plate (7); The two guide rods (2) both play a role in stabilizing and supporting the forward and backward movement of the mounting plate (5).

3. A PVC plastic container hollow molding machine according to claim 1, characterized in that: A rectangular groove (8) is provided on the left side of the mounting plate (5), a rectangular plate (13) is provided on the inner wall of the rectangular groove (8), two threaded holes (12) are provided on the left side of the rectangular plate (13), and both threaded holes (12) pass through the right side of the rectangular plate (13).

4. A PVC plastic container hollow molding machine according to claim 1, characterized in that: The rear surface of the mounting plate (5) is provided with two slide grooves (11) communicating therewith, and the rear surface of the mounting plate (5) is fixedly connected with two sliding blocks (10) both matching the slide grooves (11).

5. A PVC plastic container hollow molding machine according to claim 4, characterized in that: The two slide blocks (10) are respectively slidably connected to corresponding slide grooves (11), and the two slide blocks (10) play a guiding role in the installation of the installation plate (5); Wherein, two concave fixing plates (15) are fixedly connected to the right side of the mounting plate (5), and the concave parts of the two concave fixing plates (15) are fixedly connected to the servo motors (14); The output ends of the two servo motors (14) are fixedly connected to the threaded rods (9), the right ends of the two threaded rods (9) are rotated to penetrate into the interior of the rectangular groove (8), and are fixedly installed with the rectangular plate (13) through two threaded holes (12).

6. A PVC plastic container hollow molding machine according to claim 4, characterized in that: The right ends of the two sliding blocks (10) are fixedly connected with a mold plate (6), and the shape of the mold on the mold plate (6) can be determined according to actual conditions; There are two movable fixing devices, and the two movable fixing devices are arranged in a front-to-back correspondence.

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