CN222904813U

CN222904813U - Blow molding device

Info

Publication number: CN222904813U
Application number: CN202420653054.7U
Authority: CN
Inventors: 穆亚超; 王军星
Original assignee: Xinxiang Ruixing Packaging Materials Co ltd
Current assignee: Xinxiang Ruixing Packaging Materials Co ltd
Priority date: 2024-03-29
Filing date: 2024-03-29
Publication date: 2025-05-27
Anticipated expiration: 2034-03-29

Abstract

The utility model discloses a blow molding device, and relates to the technical field of blow molding equipment. The utility model comprises a bottom plate, containing boxes, movable rods and positioning plates, wherein two movable grooves are fixed at two long edges of the top of the bottom plate, the two movable grooves fixed at two long edges of the top of the bottom plate are symmetrical along the longitudinal center line of the top of the bottom plate, the top of the bottom plate is provided with two containing boxes which are symmetrical with each other, the top of one side of the top of each containing box, which is far away from an air outlet hole, is communicated with the movable rods, the positioning plates are arranged above the movable rods, the top ends of the movable rods are fixed with pressure plates, and the centers of the bottom end surfaces of the positioning plates are fixed with push switches. The utility model solves the problems that the surface of the blow-molded plastic is flawed after the blow-molded plastic clings to the inner wall of the mold due to the large blow-molded pressure of the blow-molding device, and the container is easy to damage in the demolding process because the container can be demolded only by pushing equipment during demolding.

Description

Blow molding device

Technical Field

The utility model belongs to the technical field related to blow molding equipment, and particularly relates to a blow molding device.

Background

Blow molding, which is mainly referred to as hollow blow molding (also called blow molding), is a method of forming a hollow article by blowing a hot melt parison closed in a mold by means of gas pressure, and is a plastic molding method that has been developed relatively rapidly. The mould that blowing was used only has female die (die), compares with injection moulding, and equipment cost is lower, and the adaptability is stronger, but the formability is good (like low stress), the product that the formable has complicated relief curve (shape), when carrying out container barrel blow molding, need large-scale forming device to carry out the cooperation blowing, but it still has following drawback in the in-service use:

1. when the blow molding device performs blow molding, in the process of blow molding, excessive pressure of blow molding can cause plastic to cling to the inner wall of a mold, and a blow molding gap is formed at the position of opening and closing the mold, so that the surface of the blow molding is defective, and the yield of products is not high enough;

2. When the blow molding device carries out blow molding, the blowing directly adopts high-pressure air to blow to carry out the design, after the design, needs to take out the mould, and at the in-process of drawing of patterns, the collection dress bucket of blowing is gomphosis completely in the blow molding device, and during the drawing of patterns, need the equipment of pushing promotes just can the drawing of patterns, causes collection dress bucket damage easily at the in-process of drawing of patterns.

Disclosure of utility model

The utility model aims to provide a blow molding device, which solves the problems that the surface of a blow molding mould is flawed after plastic clings to the inner wall of the mould due to the fact that the pressure of blow molding of the blow molding device is large, and when demoulding, the blow molding device needs to be pushed by pushing equipment to be demoulded, and a container barrel is easy to damage in the demoulding process by arranging a bottom plate, a containing box, a movable rod and a positioning plate.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a blow molding device, which comprises a bottom plate, a containing box, movable rods and a positioning plate, wherein two movable grooves are fixed at two long edges of the top of the bottom plate, the two movable grooves fixed at two long edges of the top of the bottom plate are symmetrical along the longitudinal center line of the top of the bottom plate, the top of the bottom plate is provided with two containing boxes which are symmetrical with each other, the centers of the tops and the bottoms of the containing boxes are provided with air outlets, the tops of one sides of the tops of the two containing boxes, which are far away from the air outlets, are respectively communicated with the movable rods, the positioning plate is arranged above the movable rods, a pressing plate is fixed at the top end of the movable rods, a pressing switch is fixed at the center of the bottom end surface of the positioning plate, and during operation, the movable grooves are fixed on the bottom plate through the bottom plate, the containing boxes are supported on the bottom surface of the positioning plate through the movable grooves, during shaping of a collecting barrel is provided, and during blow molding of the collecting barrel, the movable rods push the positioning plate through the movable rods, so that the pressing switch on the positioning plate is pressed down.

Further, the two short sides of bottom plate top department all is fixed with the pneumatic cylinder, two the pneumatic cylinder is symmetrical each other, all swing joint has the piston rod in the pneumatic cylinder, every the one end that the pneumatic cylinder was kept away from to the piston rod all is fixed with the fixed block, and the bottom plate passes through the pneumatic cylinder drive piston rod motion, and when the piston rod moved, the box motion was held in the promotion of fixed block.

Further, the bottom of the accommodating box is symmetrically fixed with supporting bars along the transverse center line, the supporting bars are movably connected in the movable groove, the top of the fixing block is fixed at the bottom of the accommodating box, and the accommodating box is movably connected in the movable groove through the supporting bars, so that the accommodating box is stably arranged on the bottom plate when the accommodating box works.

Further, two one sides of holding the case and keeping away from each other are all fixed with miniature air pump, miniature air pump's input fixedly connected with intake pipe, miniature air pump's output and holding the case intercommunication, hold the case and pass through miniature air pump during operation, inhale the back with the air through the intake pipe and compress and carry in holding the case.

Further, the edge of one side that holds the case surface and be close to each other all is fixed with the closed frame, the bottom of closed frame is the opening setting, two the closed frame centre that holds case top and be close to one side each other all is fixed with the limited film-making, the restriction piece link up and holds the case top and fix, and the bottom of restriction frame and the interior top parallel and level that holds the case, hold the case and seal between case and two holding cases through closed frame.

Further, the movable hole is correspondingly formed in the top of the accommodating box and the position of the movable rod, the movable rod is movably connected in the movable hole, the connecting rods are fixed on the bottom end face of the positioning plate on the outer side of the pressing plate in an annular array, the bottom ends of all the connecting rods are fixed on the top of the accommodating box, and the accommodating box is movably connected with the movable rod through the movable hole.

The utility model has the following beneficial effects:

1. the utility model solves the problem that the surface of the plastic is flawed after the plastic is tightly attached to the inner wall of a mould due to the fact that the pressure of the plastic blowing device is large, and starts the blowing equipment, the blowing equipment blows air into container blanks, the air in the container blanks is increased until the container is fully blown into the container, in the process, the air in the container is discharged through an air outlet hole, when the container works, the pressing plate is pushed to rise in the rising process of the movable rod, the pressing switch on the bottom end of the positioning plate is extruded, the miniature air pump and the hydraulic cylinder are started, the piston rod is driven to retract into the pressing switch after the hydraulic cylinder is pressed down, the two container blanks are driven to be separated from each other, and the container is immediately demoulded after the blow molding is completed, so that the occurrence of surface blemishes is reduced.

2. According to the utility model, the bottom plate, the accommodating box, the movable rod and the positioning disc are arranged, so that the problem that the container barrel is damaged easily in the demolding process because the container barrel needs to be pushed by pushing equipment when the blow molding device is demolded is solved, and the miniature air pump is started to press air into the accommodating box after the pressing switch is pressed down in the demolding process, so that the molded container barrel in the accommodating box is demolded, and the integrity of the blow molded container barrel is better ensured because the container barrel is demolded without pushing equipment by high-pressure air during demolding.

Drawings

FIG. 1 is a perspective view of an assembled structure of a blow molding apparatus;

FIG. 2 is a perspective view of a base plate structure;

FIG. 3 is a perspective view of the structure of the containing box;

FIG. 4 is a perspective view of a movable rod structure;

fig. 5 is a perspective view of the structure of the positioning plate.

Reference numerals:

1. The device comprises a bottom plate, 101, a movable groove, 102, a hydraulic cylinder, 103, a piston rod, 104, a fixed block, 2, a containing box, 201, an air outlet hole, 202, a movable hole, 203, a limiting piece, 204, a sealing frame, 205, a micro air pump, 206, an air inlet pipe, 207, a supporting bar, 3, a movable rod, 301, a pressure plate, 4, a positioning plate, 401, a connecting rod, 402 and a pressing switch.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the utility model is a blow molding device, which comprises a bottom plate 1, a containing box 2, a movable rod 3 and a positioning plate 4, wherein two movable grooves 101 are fixed on two long sides of the top of the bottom plate 1, when the bottom plate 1 works, the containing box 2, the movable rod 3 and the positioning plate 4 are supported on the bottom plate 1, the two movable grooves 101 fixed on two long sides of the top of the bottom plate 1 are symmetrical along the longitudinal center line of the top of the bottom plate 1, a supporting bar 207 is movably connected through the movable grooves 101, the supporting stability of the containing box 2 is increased, two mutually symmetrical containing boxes 2 are arranged on the top of the bottom plate 1, the containing boxes 2 are used for shaping of the IBC plastic container for blow molding, air outlet holes 201 are formed in the top center and the bottom center of the containing boxes 2, the holding box 2 is through venthole 201 at blow molding's in-process, will hold the air in the case 2 and discharge, two hold the case 2 tops and keep away from venthole 201 one side top all link up swing joint and have movable rod 3, the top of movable rod 3 is provided with positioning disk 4, the top of movable rod 3 is fixed with pressure disk 301, positioning disk 4's bottom face central authorities are fixed with push switch 402, movable rod 3 is when receiving the fashioned blowing effect of IBC plastics integrated barrel, the container bucket in the shaping promotes movable rod 3 and rises, at the in-process that movable rod 3 risees, promote pressure disk 301 and rise, press the push switch 402 on the 4 bottom of positioning disk, start miniature air pump 205 and pneumatic cylinder 102, pneumatic cylinder 102 is pushed down at push switch 402 back, drive piston rod 103 is retracted wherein, drive two holding cases 2 keep away from each other.

As shown in fig. 1 and 2, two short sides of the top of the base plate 1 are both fixed with hydraulic cylinders 102, the two hydraulic cylinders 102 are symmetrical to each other, piston rods 103 are movably connected in the hydraulic cylinders 102, one end of each piston rod 103 far away from the hydraulic cylinder 102 is fixed with a fixed block 104, the base plate 1 drives the piston rods 103 to move through the hydraulic cylinders 102, drives the fixed blocks 104 to move, and drives the accommodating box 2 to move through the fixed blocks 104.

As shown in fig. 1-3, support bars 207 are symmetrically fixed at the bottom of the accommodating box 2 along a transverse center line, the support bars 207 are movably connected in the movable groove 101, the top of the fixing block 104 is fixed at the bottom of the accommodating box 2, and the accommodating box 2 is movably connected in the movable groove 101 through the support bars 207, so that the stability of movement of the accommodating box 2 is improved.

As shown in fig. 1 and 3, two accommodating boxes 2 are fixed with a micro air pump 205 on one side far away from each other, an input end of the micro air pump 205 is fixedly communicated with an air inlet pipe 206, an output end of the micro air pump 205 is communicated with the accommodating boxes 2, and when the accommodating boxes 2 work, air is sucked into the accommodating boxes 2 through the air inlet pipe 206 and compressed, and is blown into the accommodating boxes 2, so that when the accommodating boxes 2 work, a container barrel after blow molding begins to be demolded.

As shown in fig. 1 and 3, the edge of one side of the surface of the accommodating box 2, which is close to each other, is fixed with a sealing frame 204, the bottom of the sealing frame 204 is in an opening arrangement, a limiting piece 203 is fixed in the middle of the sealing frame 204, which is close to one side of the top of the two accommodating boxes 2, the limiting piece 203 penetrates through the top of the accommodating box 2 to be fixed, the bottom of the limiting frame is flush with the inner top of the accommodating box 2, the sealing performance of the gap between the two accommodating boxes 2 is further increased when the accommodating boxes 2 are combined through the sealing frame 204, and the limiting of the blow molding opening during the blowing of the packaging barrel is provided after the limiting pieces 203 at the tops of the two accommodating boxes 2 are combined with each other.

As shown in fig. 1, 3, 4 and 5, the top of the accommodating box 2 is correspondingly provided with a movable hole 202 at the position of the movable rod 3, the movable rod 3 is movably connected in the movable hole 202, the connecting rods 401 are fixed on the bottom end surface of the positioning disc 4 outside the pressure plate 301 in a ring array, the bottom ends of all the connecting rods 401 are fixed at the top of the accommodating box 2, the accommodating box 2 is movably connected with the movable rod 3 through the movable hole 202, and the positioning disc 4 is fixed at the top of the accommodating box 2 through the bottom ends of the connecting rods 401, so that the positioning disc 4 is fixed at the top of the accommodating box 2.

The method comprises the specific working principle that when the method works, firstly, blanks during blow molding are placed on the output end mounting equipment of blow molding equipment, so that blanks of a packaging barrel are arranged between two containing boxes 2, then, a hydraulic cylinder 102 is started again, the hydraulic cylinder 102 drives a piston rod 103 to move, the two containing boxes 2 are driven to move together, blow molding equipment is started, the blow molding equipment blows air into the packaging barrel blanks, the air in the packaging barrel blanks is increased until the packaging barrel is blown into the containing boxes 2, in the process, the air in the containing boxes 2 is discharged through an air outlet hole 201, meanwhile, when the movable rod 3 is subjected to blow molding of IBC plastic packaging barrel molding, the movable rod 3 is pushed to ascend, in the process of ascending of the movable rod 3, a pressing switch 402 on the bottom end of a pressing positioning disc 4 is pushed to drive the piston rod 103 to retract into the pressing switch 402, and the two containing boxes 2 are driven to be far away from each other, and the packaging barrel is completed.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The blow molding device comprises a bottom plate (1), a containing box (2), a movable rod (3) and a positioning disc (4), and is characterized in that two movable grooves (101) are fixed at two long sides of the top of the bottom plate (1), two movable grooves (101) fixed at two long sides of the top of the bottom plate (1) are symmetrical along the longitudinal center line of the top of the bottom plate (1), two containing boxes (2) symmetrical with each other are arranged at the top of the bottom plate (1), air outlet holes (201) are formed in the center of the top of the containing box (2) and the center of the bottom, two movable rods (3) are connected at the top of one side, far away from the air outlet holes (201), of the top of the containing box (2), the positioning disc (4) is arranged above the movable rods (3), a pressing disc (301) is fixed at the top of the movable rods (3), and a pressing switch (402) is fixed at the center of the bottom surface of the positioning disc (4).

2. A blow molding device according to claim 1, wherein the two short sides of the top of the bottom plate (1) are both fixed with hydraulic cylinders (102), the two hydraulic cylinders (102) are symmetrical to each other, piston rods (103) are movably connected in the hydraulic cylinders (102), and a fixing block (104) is fixed at one end of each piston rod (103) far away from the hydraulic cylinder (102).

3. A blow molding apparatus according to claim 2, wherein the bottom of the container (2) is symmetrically fixed with a supporting bar (207) along a transverse center line, the supporting bar (207) is movably connected in the movable tank (101), and the top of the fixing block (104) is fixed at the bottom of the container (2).

4. A blow molding device according to claim 1, wherein the two accommodating boxes (2) are fixed with micro air pumps (205) at the sides far away from each other, the input ends of the micro air pumps (205) are fixedly communicated with air inlet pipes (206), and the output ends of the micro air pumps (205) are communicated with the accommodating boxes (2).

5. A blow molding device according to claim 1, wherein the edges of the sides of the container (2) close to each other are fixed with a sealing frame (204), the bottoms of the sealing frames (204) are arranged in an opening manner, limiting sheets (203) are fixed between the sealing frames (204) of the sides of the tops of the two container (2) close to each other, the limiting sheets (203) penetrate through the top of the container (2) and are fixed, and the bottoms of the limiting frames are flush with the inner top of the container (2).

6. A blow molding device according to claim 1, wherein the top of the accommodating box (2) is provided with a movable hole (202) corresponding to the position of the movable rod (3), the movable rod (3) is movably connected in the movable hole (202), the bottom end face of the positioning disc (4) at the outer side of the pressure disc (301) is fixedly provided with a connecting rod (401) in an annular array, and the bottom ends of all the connecting rods (401) are fixed at the top of the accommodating box (2).