Plastic mold capable of automatically demolding

Abstract

The utility model provides a plastic mould capable of automatically demoulding, which comprises a control box, a driven plate and an injection molding box, a pushing device is arranged in the control box, a telescopic opening is formed in the top of the control box in a penetrating manner, a driving plate is arranged in the telescopic opening, and a plurality of groups of mould heads are arranged at the top of the driving plate. Compared with the prior art, the plastic bottle cap injection mold has the following beneficial effects that by arranging the pushing device, the driving plate, the driven plate and the injection molding cavity, the driving plate can be pushed by the pushing device to move upwards and the driven plate is driven to move upwards, so that the mold head is upwards inserted into the injection molding cavity, and the injection molding work of a plurality of groups of plastic bottle caps can be completed at one time; in the injection molding process, the plastic bottle cap forms a group of structures opposite to the clamping grooves to be clamped with the clamping grooves, the driving plate moves downwards, so that the clamping grooves are separated from the interior of the plastic bottle cap, the plastic bottle cap is left on the upper surface of the driven plate, then demolding work can be automatically completed, the working efficiency is improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and particularly relates to a plastic mold capable of automatic demoulding. Background Art

[0002] Automatic demoulding plastic molds are specially designed to automatically remove plastic products from the mold during the plastic injection molding process. They usually have a set of demoulding mechanisms that can smoothly remove plastic products from the mold through certain movement, pushing or pressing actions after the injection molding is completed.

[0003] In the production process of plastic bottle caps, demoulding is an important production process. There will be a certain friction and adhesion between the plastic bottle caps and the mold surface, which makes the demoulding process difficult. The plastic bottle caps may get stuck in the mold and difficult to detach normally, requiring manual intervention, resulting in low production efficiency.

[0004] Secondly, manual demoulding requires special personnel to operate, which is time-consuming and labor-intensive, and reduces production efficiency. The automatic demoulding mechanism can quickly and stably remove the plastic bottle cap from the mold, saving labor costs, improving production efficiency, and avoiding the safety risks of workers when manually demoulding.

[0005] In summary, it is very necessary to set up an automatic demoulding mechanism in the process of demoulding the plastic bottle cap. Therefore, it is hoped to develop a plastic mold with a new structure to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model aims to provide a plastic mold which can be automatically demoulded.

[0007] The utility model is realized by the following technical scheme: a plastic mold capable of automatic demoulding, comprising: a control box, a driven plate and an injection molding box, a pushing device is arranged inside the control box, a telescopic opening is opened through the top of the control box, an active plate is arranged inside the telescopic opening, and a plurality of groups of mold heads are arranged on the top of the active plate;

[0008] Four groups of sliding bars of the same specifications are welded at the four corners of the top of the control box. A group of sleeves are sleeved on the outside of each group of sliding bars. A group of driven plates are welded and fixed between the four groups of sleeves. Several groups of demoulding holes of the same specifications are opened through the top of the driven plate.

[0009] A group of injection molding boxes are arranged on the top of the driven plate, a plurality of groups of feed ports are arranged on the top of the injection molding boxes, a plurality of groups of injection molding cavities are opened at the bottom of the injection molding boxes, the injection molding cavities are opposite to the feed ports and are connected through, and injection molding raw materials are arranged inside the injection molding cavities.

[0010] As a preferred embodiment, the mold heads have the same specifications and are positioned one by one with the demolding holes, a demolding agent is applied to the outside of the mold heads, and a slot is provided on the side below the top of each group of mold heads, and the slot is a wedge-shaped structure that is recessed toward the center line of the mold heads.

[0011] As a preferred embodiment, the demolding hole and the injection cavity are positioned one-to-one, the radius length of the demolding hole is greater than the radius length of the mold head and smaller than the radius length of the injection cavity, and the thickness of the driven plate is greater than the height of the sleeve.

[0012] As a preferred embodiment, the propulsion device is composed of a driving system, a propulsion system and an intelligent control system, and the propulsion device is connected to an external power source through a wire.

[0013] As a preferred embodiment, the mold head is made of stainless steel, the height of the mold head is less than the depth of the injection cavity, and the radius length of the mold head is less than the radius length of the injection cavity. In actual use, the injection molding material gradually fills the inside of the injection molding cavity and forms a structure that fits the card slot in the space outside the card slot. After the injection molding material is cooled, a plastic bottle cap is formed. At this time, the pushing device is started again to drive the active plate to move downward, and at the same time, the plastic bottle cap is driven to move downward and disengage from the inside of the injection molding cavity through the card slot, and the active plate is continued to move downward, so that the active plate drives the driven plate to move downward. When the four sets of sleeves move to the bottom of the four sets of slide rods, the driven plate no longer moves downward. At this time, the active plate continues to move downward and disconnects the mold head from the plastic bottle cap, thereby leaving the plastic bottle cap on the upper surface of the driven plate, and then completes the automatic demolding of the plastic bottle cap. The final effect is to save manpower and material resources, reduce production costs, and avoid safety hazards caused by manual demolding by workers.

[0014] As a preferred embodiment, a back plate is provided on the top rear side of the control box, the back plate and the control box are an integrated structure, the upper front side of the back plate is welded and fixed to the back side of the injection molding box, and the injection molding box is made of stainless steel.

[0015] As a preferred embodiment, lubricating oil is applied to the outside of the slide rod, the top of the slide rod is welded and fixed to the bottom of the injection molding box, the bottom of the slide rod is welded and fixed to the top of the control box, and the slide rod is made of stainless steel. In actual use, since the mold head is provided with several groups of the same specifications, multiple groups of plastic bottle caps can be injected at one time during the injection molding process, and multiple groups of plastic bottle caps can be demolded at one time, thereby saving production costs and improving work efficiency.

[0016] After adopting the above technical scheme, the beneficial effects of the utility model are as follows: by setting a pushing device, an active plate, a driven plate and an injection cavity, the active plate can be pushed upward by the pushing device, and the mold head can be inserted upward into the demolding hole, driving the driven plate to move upward, thereby inserting the mold head upward into the injection cavity, and then the injection molding of multiple groups of plastic bottle caps can be completed at one time; by setting a card slot, during the injection molding process, the plastic bottle cap forms a group of structures opposite to the card slot and mutually engages with the card slot; after the plastic bottle cap is cooled, the pushing device is moved downward to drive the active plate and the driven plate to move downward; after the sleeve moves down to the bottom of the slide rod, the driven plate no longer moves, and the active plate continues to move downward, thereby disengaging the card slot from the inside of the plastic bottle cap and leaving the plastic bottle cap on the upper surface of the driven plate; then the demolding work can be automatically completed, and the demolding of multiple groups of plastic bottle caps can be completed at one time, thereby improving work efficiency and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 The utility model is a schematic diagram of a plastic mold capable of automatic demoulding.

[0019] Figure 2 The utility model is a schematic diagram of the internal structure of a plastic mold capable of automatic demoulding.

[0020] Figure 3 The utility model is a structural schematic diagram of a mold head and an injection cavity in a plastic mold capable of automatic demoulding.

[0021] Figure 4 The utility model is a schematic structural diagram of an injection cavity in a plastic mold capable of automatic demoulding.

[0022] In the figure, 100-control box, 110-active plate, 120-driven plate, 130-injection box, 140-mold head, 150-slide rod, 160-sleeve, 170-demolding hole, 180-feed port, 190-pushing device, 200-injection cavity, 210-injection raw material, 220-card slot. DETAILED DESCRIPTION

[0023] 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 one end of the utility model, not the whole end. Based on the embodiments of 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.

[0024] See also Figures 1 to 4 : A plastic mold capable of automatic demoulding, comprising: a control box 100, a driven plate 120 and an injection molding box 130, wherein a pushing device 190 is provided inside the control box 100, a telescopic opening is provided through the top of the control box 100, an active plate 110 is provided inside the telescopic opening, and a plurality of groups of mold heads 140 are provided on the top of the active plate 110;

[0025] Four groups of slide bars 150 of the same specifications are welded at the four corners of the top of the control box 100. A group of sleeves 160 are sleeved on the outside of each group of slide bars 150. A group of driven plates 120 are welded and fixed between the four groups of sleeves 160. A plurality of groups of demoulding holes 170 of the same specifications are opened through the top of the driven plate 120.

[0026] A group of injection molding boxes 130 are arranged on the top of the driven plate 120, and several groups of feed ports 180 are arranged on the top of the injection molding boxes 130. Several groups of injection molding cavities 200 are opened at the bottom of the injection molding boxes 130. The injection molding cavities 200 are opposite to the feed ports 180 and are connected through them. Injection molding raw materials 210 are arranged inside the injection molding cavities 200.

[0027] The mold heads 140 have the same specifications and are positioned one by one with the demoulding holes 170 . A demoulding agent is applied to the outside of the mold heads 140 . A slot 220 is provided on the side below the top of each group of mold heads 140 . The slot 220 is a wedge-shaped structure that is recessed toward the center line of the mold head 140 .

[0028] The demolding hole 170 is located opposite to the injection cavity 200 . The radius of the demolding hole 170 is greater than the radius of the mold head 140 and smaller than the radius of the injection cavity 200 . The thickness of the driven plate 120 is greater than the height of the sleeve 160 .

[0029] The pushing device 190 is composed of a driving system, a pushing system and an intelligent control system. The pushing device 190 is connected to an external power source through a wire.

[0030] The mold head 140 is made of stainless steel. The height of the mold head 140 is less than the depth of the injection cavity 200. The radius of the mold head 140 is less than the radius of the injection cavity 200. In actual use, the injection molding material 210 is gradually filled in the injection cavity 200, and a structure that fits the card slot 220 is formed in the outer space of the card slot 220. After the injection molding material 210 is cooled, a plastic bottle cap is formed. At this time, the pushing device 190 is started again to drive the active plate 110 to move downward, and at the same time, the plastic is driven through the card slot 220. The bottle cap moves downward and detaches from the injection cavity 200, and the active plate 110 continues to move downward, so that the active plate 110 drives the driven plate 120 to move downward. When the four sets of sleeves 160 move to the bottom of the four sets of slide bars 150, the driven plate 120 no longer moves downward. At this time, the active plate 110 continues to move downward and disconnects the mold head 140 from the plastic bottle cap, thereby leaving the plastic bottle cap on the upper surface of the driven plate 120, and then completing the automatic demolding of the plastic bottle cap. The final effect is to save manpower and material resources, reduce production costs, and avoid safety hazards caused by workers' manual demolding.

[0031] A back plate is provided at the top rear side of the control box 100. The back plate and the control box 100 are an integral structure. The upper front side of the back plate is welded and fixed to the back side of the injection molding box 130. The injection molding box 130 is made of stainless steel.

[0032] The outside of the slide bar 150 is coated with lubricating oil, the top of the slide bar 150 is welded and fixed to the bottom of the injection molding box 130, and the bottom of the slide bar 150 is welded and fixed to the top of the control box 100. The slide bar 150 is made of stainless steel. In actual use, since the mold head 140 is provided with several groups of the same specifications, multiple groups of plastic bottle caps can be injected at one time during the injection molding process, and multiple groups of plastic bottle caps can be demolded at one time, thereby saving production costs and improving work efficiency.

[0033] Example 1: Please refer to Figures 1 to 4 In actual use, first start the pushing device 190, and the pushing device 190 controls the driving system through the intelligent control system to drive the pushing system to push the active plate 110 upward. The active plate 110 pushes upward to make several groups of mold heads 140 inserted upward into the demoulding hole 170, and then drives the driven plate 120 to move upward. When the driven plate 120 moves upward, the four groups of sleeves 160 move upward along the four groups of slide bars 150. The outside of the slide bars 150 is coated with lubricating oil, which makes it easier for the driven plate 120 to move upward. When the active plate 110 drives the driven plate 120 to move upward to the bottom of the injection molding box 130, several groups of mold heads 140 are inserted upward into several groups of injection molding cavities 200 respectively. At this time, the top of the driven plate 120 is tightly attached to the bottom of the injection molding box 130, and then the injection molding raw materials 210 are injected into the several groups of injection molding cavities 200 through the several groups of feed ports 180.

[0034] The injection molding material 210 is gradually filled in the injection molding cavity 200, and a structure that fits with the card slot 220 is formed in the outer space of the card slot 220. After the injection molding material 210 is cooled, a plastic bottle cap is formed. At this time, the pushing device 190 is started again to drive the pushing device 190 to move down, and at the same time, the plastic bottle cap is driven to move down and detach from the injection molding cavity 200 through the card slot 220, and the active plate 110 is continued to move down, so that the active plate 110 drives the driven plate 120 to move down. When the four sets of sleeves 160 move to the bottom of the four sets of slide bars 150, the driven plate 120 no longer moves down. At this time, the active plate 110 continues to move down and disconnects the mold head 140 from the plastic bottle cap, thereby leaving the plastic bottle cap on the upper surface of the driven plate 120, and then completing the automatic demolding of the plastic bottle cap. The final effect is to save manpower and material resources, reduce production costs, and avoid safety hazards caused by manual demolding by workers.

[0035] Example 2: Please refer to Figures 1 to 4 Since the mold head 140 is provided with several groups of the same specifications, multiple groups of plastic bottle caps can be injected at one time during the injection molding process, and multiple groups of plastic bottle caps can be demoulded at one time, thereby saving production costs and improving work efficiency.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic mold capable of automatic demoulding, comprising: A control box (100), a driven plate (120) and an injection molding box (130), characterized in that: a pushing device (190) is provided inside the control box (100), a telescopic opening is provided through the top of the control box (100), an active plate (110) is provided inside the telescopic opening, and a plurality of groups of mold heads (140) are provided on the top of the active plate (110); Four groups of sliding bars (150) of the same specifications are welded at the four corners of the top of the control box (100), a group of sleeves (160) are sleeved on the outside of each group of sliding bars (150), a group of driven plates (120) are welded and fixed between the four groups of sleeves (160), and a plurality of groups of demoulding holes (170) of the same specifications are opened through the top of the driven plate (120); A group of injection molding boxes (130) are arranged on the top of the driven plate (120), a plurality of groups of feed ports (180) are arranged on the top of the injection molding boxes (130), a plurality of groups of injection molding cavities (200) are opened on the bottom of the injection molding boxes (130), the injection molding cavities (200) are positioned opposite to the feed ports (180) and are connected through them, and injection molding raw materials (210) are arranged inside the injection molding cavities (200).

2. The plastic mold capable of automatic demoulding according to claim 1, characterized in that: The mold heads (140) have the same specifications and are positioned one-to-one with the demoulding holes (170). A slot (220) is provided on the side below the top of each group of mold heads (140). The slot (220) is a wedge-shaped structure that is recessed toward the center line of the mold head (140).

3. The plastic mold capable of automatic demoulding according to claim 1, characterized in that: The demoulding holes (170) are positioned one-to-one with the injection cavity (200); the radius length of the demoulding holes (170) is greater than the radius length of the mold head (140) and less than the radius length of the injection cavity (200); and the thickness of the driven plate (120) is greater than the height of the sleeve (160).

4. The plastic mold capable of automatic demoulding according to claim 1, characterized in that: The pushing device (190) is composed of a driving system, a pushing system and an intelligent control system, and the pushing device (190) is connected to an external power source via a wire.

5. The plastic mold capable of automatic demoulding according to claim 2, characterized in that: The mold head (140) is made of stainless steel, the height of the mold head (140) is less than the depth of the injection cavity (200), and the radius length of the mold head (140) is less than the radius length of the injection cavity (200).

6. The plastic mold capable of automatic demoulding according to claim 1, characterized in that: A back plate is provided on the rear side of the top of the control box (100); the back plate and the control box (100) are an integrated structure; the upper front side of the back plate is welded and fixed to the back side of the injection molding box (130); the injection molding box (130) is made of stainless steel.

7. The plastic mold capable of automatic demoulding according to claim 1, characterized in that: The outer side of the slide bar (150) is coated with lubricating oil, the top of the slide bar (150) is welded and fixed to the bottom of the injection molding box (130), the bottom of the slide bar (150) is welded and fixed to the top of the control box (100), and the slide bar (150) is made of stainless steel.

Images