Novel demoulding device for inverted bottle
The novel demolding device for inverted bottles utilizes a reset mechanism and a push shaft to rotate the molded part and form a connecting part molding groove, solving the problem of difficult demolding of inverted bottles after injection molding and achieving stable injection molding and convenient demolding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-03-03
AI Technical Summary
Bottles with existing inverted connector designs are difficult to demold after injection molding, resulting in demolding difficulties.
A novel demolding device for inverted bottles is designed, comprising a reset mechanism, a balance plate, a first molding part, and a second molding part. The balance plate is driven to move by a push shaft, causing the molding part to rotate in the through groove of the mold cavity to form a connecting part molding groove. After injection molding is completed, the reset mechanism releases the lock, achieving convenient demolding.
It achieves stable injection molding and convenient demolding of inverted bottles, solving the problem of difficult demolding in existing technologies and improving production efficiency.
Smart Images

Figure CN223961659U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molds, and in particular to a novel demolding device for inverted bottles. Background Technology
[0002] In order to make it easier for users to hold the bottle, some existing bottle designs use not only round connectors but also inverted connectors, such as those with... Figure 5 In the bottle design shown, the outer width of the connector is wider than the inner width. This bottle design does not cause problems during injection molding, but it is difficult to demold due to the wider outer side and narrower inner side. Therefore, a new type of demolding device for inverted bottles with a simple and convenient inverted connector design is needed. Utility Model Content
[0003] The main purpose of this utility model is to provide a novel demolding device for inverted bottles with a simple and convenient inverted connector design for demolding the bottle body.
[0004] This utility model proposes a novel demolding device for inverted bottles. The mold includes a first mold body and a second mold body. The first mold body and the second mold body are respectively provided with a first inner cavity and a second inner cavity for forming the bottle. The first mold body includes a first mold body back plate and a first mold body cover plate.
[0005] The novel demolding device for the inverted bottle is disposed between the back plate of the first mold body and the cover plate of the first mold body.
[0006] The novel demolding device for inverted bottles includes a reset mechanism, a balance plate, a first molding component, a second molding component, and a push shaft. The reset mechanism is located on the rear side of the balance plate, the first molding component and the second molding component are rotatably connected to the front side of the balance plate, and the push shaft is fixedly connected to the front side of the balance plate.
[0007] An inner cavity through groove is provided in the inner cavity of the first mold body cover plate on the front side of the first mold body cover plate. The inner diameter of the inner cavity through groove gradually decreases from the outer side to the inner side. The first molded part and the second molded part are disposed in the inner cavity through groove. The first molded part and the second molded part can be spliced together on the adjacent side to form a connecting part forming groove. The first mold body cover plate is provided with a first mold body cover plate through hole for the push shaft to extend out.
[0008] Pressing the push shaft with the second mold body can drive the balance plate to move, thereby causing the first and second molded parts to extend into the inner cavity through groove and rotate closer under the action of the inner cavity through groove to form a connecting part molding groove. After injection molding is completed, the second mold body releases the pressure on the push shaft, the reset mechanism drives the balance plate to extend, the first and second molded parts extend out of the inner cavity through groove, and releases the locking of the connecting part of the bottle body, thus facilitating demolding.
[0009] Preferably, the balance plate includes a balance plate body and a rotating base. A rotating shaft is provided on the front side of the rotating base. A first connecting sleeve and a second connecting sleeve are provided on the rear side of the first molded part and the second molded part. The first connecting sleeve and the second connecting sleeve cooperate with the rotating shaft to rotatably connect the first molded part and the second molded part to the front side of the rotating base.
[0010] Preferably, both ends of the rotating shaft are fixedly connected to screws, thereby limiting the first molded part and the second molded part on the rotating shaft.
[0011] Preferably, the reset mechanism is a reset spring, and the back plate of the first mold body and the balance plate are respectively provided with a back plate reset groove and a balance plate reset groove adapted to the reset spring.
[0012] Preferably, the first molded part is provided with a first molded part connector molding groove, and the second molded part is provided with a second molded part connector molding groove. The first molded part connector molding groove and the second molded part connector molding groove are assembled to form the connector molding groove, and a molding protrusion is provided on the inner side of the first molded part connector molding groove.
[0013] Preferably, there are two drive shafts, which are respectively located on both sides of the front end of the balance plate.
[0014] The beneficial effects of this novel inverted bottle demolding device are as follows:
[0015] 1. By setting a retractable inverted bottle demolding device, the inverted bottle demolding device can retract to facilitate injection molding when the first mold body and the second mold body are closed, and extend and release the locking of the connecting parts after the first mold body and the second mold body are separated, thereby facilitating demolding.
[0016] 2. By setting two push shafts to drive the new type of demolding device for inverted bottles, the movement can be made more stable during the movement. Attached Figure Description
[0017] Figure 1This is a diagram showing the usage state of the novel inverted bottle demolding device of this utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the first mold body of the novel inverted bottle demolding device of this utility model;
[0019] Figure 3 This is a perspective view of the novel inverted bottle demolding device of this utility model;
[0020] Figure 4 This is a disassembly diagram of the novel inverted bottle demolding device of this utility model;
[0021] Figure 5 This is a schematic diagram of the bottle body of the novel inverted bottle demolding device of this utility model;
[0022] Labels in the diagram: 1. First mold body, 2. Second mold body, 3. Bottle body, 11. Back plate of first mold body, 12. Cover plate of first mold body, 13. New type of demolding device for inverted bottles, 14. Inner cavity of first mold body, 21. Inner cavity of second mold body, 31. Connector, 131. Balance plate body, 132. Reset spring, 133. Push shaft, 134. Rotating seat, 135. First molding part, 136. Second molding part, 1341. Rotating shaft, 1351. First connecting sleeve, 1352. Molding groove of first molding part connector, 1353. Molding protrusion, 1361. Second connecting sleeve, 1362. Molding groove of second molding part connector.
[0023] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0024] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
[0025] Reference Figures 1 to 5 An embodiment of the novel inverted bottle demolding device of this utility model is presented:
[0026] A novel demolding device 13 for inverted bottles includes a reset mechanism, a balance plate, a first molding component 135, a second molding component 136, and a push shaft 133.
[0027] The mold includes a first mold body 1 and a second mold body 2. The inner sides of the first mold body 1 and the second mold body 2 are respectively provided with a first body inner cavity 14 and a second body inner cavity 21 for forming the bottle body 3. The first mold body 1 includes a first mold body back plate 11 and a first mold body cover plate 12. The novel demolding device 13 for inverted bottles is disposed between the first mold body back plate 11 and the first mold body cover plate 12.
[0028] The balance plate includes a balance plate body 131 and a rotating base 134. A rotating shaft 1341 is provided on the front side of the rotating base 134. A first connecting sleeve 1351 and a second connecting sleeve 1361 are provided on the rear side of the first molded part 135 and the second molded part 136. The first connecting sleeve 1351 and the second connecting sleeve 1361 cooperate with the rotating shaft 1341 to rotatably connect the first molded part 135 and the second molded part 136 to the front side of the rotating base 134. The two ends of the rotating shaft 1341 are fixedly connected to screws, thereby limiting the first molded part 135 and the second molded part 136 on the rotating shaft 1341. The first molded part 135 is provided with a first molded part connector molding groove 1352, and the second molded part 136 is provided with a second molded part connector molding groove 1362. The first molded part connector molding groove 1352 and the second molded part connector molding groove 1362 are combined to form a connector molding groove. A molding protrusion is provided on the inner side of the first molded part connector molding groove 1352, and the connector 31 can be blow molded through the connector molding groove.
[0029] The reset mechanism is a reset spring 132, which is located on the rear side of the balance plate body 131. The back plate 11 of the first mold body and the balance plate body 131 are respectively provided with a back plate reset groove and a balance plate reset groove that are adapted to the reset spring 132. There are two push shafts 133, which are respectively located on both sides of the front end of the balance plate body 131.
[0030] An inner cavity through groove is provided in the inner cavity 14 of the first body on the front side of the first mold body cover plate 12. The inner diameter of the inner cavity through groove gradually decreases from the outer side to the inner side. The first molding part 135 and the second molding part 136 are disposed in the inner cavity through groove. The first mold body cover plate 12 is provided with a first mold body cover plate through hole for the push shaft 133 to extend out.
[0031] During use, the first mold body 1 and the second mold body 2 are closed. At this time, the second mold body 2 drives the balance plate to move by pressing the push shaft 133, thereby causing the first molding part 135 and the second molding part 136 to retract into the inner cavity through groove. Under the action of the inner wall of the inner cavity through groove, they rotate and approach to form the connecting part molding groove. After the bottle body 3 is formed by injection molding, the first mold body 1 and the second mold body 2 are separated. At this time, the second mold body 2 releases the pressure on the push shaft 133, the return spring 132 drives the balance plate to extend, the first molding part 135 and the second molding part 136 extend from the inner cavity through groove, and release the lock on the connecting part 31 of the bottle body 3, thereby facilitating demolding.
[0032] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.
Claims
1. A novel demolding device for inverted bottles, The mold includes a first mold body and a second mold body. The first mold body and the second mold body are respectively provided with a first inner cavity and a second inner cavity for forming the bottle. The first mold body includes a first mold body back plate and a first mold body cover plate. Its features are, The novel demolding device for the inverted bottle is disposed between the back plate of the first mold body and the cover plate of the first mold body. The novel demolding device for inverted bottles includes a reset mechanism, a balance plate, a first molding component, a second molding component, and a push shaft. The reset mechanism is located on the rear side of the balance plate, the first molding component and the second molding component are rotatably connected to the front side of the balance plate, and the push shaft is fixedly connected to the front side of the balance plate. An inner cavity through groove is provided in the inner cavity of the first mold body cover plate on the front side of the first mold body cover plate. The inner diameter of the inner cavity through groove gradually decreases from the outer side to the inner side. The first molded part and the second molded part are disposed in the inner cavity through groove. The first molded part and the second molded part can be spliced together on the adjacent side to form a connecting part forming groove. The first mold body cover plate is provided with a first mold body cover plate through hole for the push shaft to extend out. Pressing the push shaft with the second mold body can drive the balance plate to move, thereby causing the first and second molded parts to extend into the inner cavity through groove and rotate closer under the action of the inner cavity through groove to form a connecting part molding groove. After injection molding is completed, the second mold body releases the pressure on the push shaft, the reset mechanism drives the balance plate to extend, the first and second molded parts extend out of the inner cavity through groove, and releases the locking of the connecting part of the bottle body, thus facilitating demolding.
2. The novel demolding device for inverted bottles according to claim 1, characterized in that, The balance plate includes a balance plate body and a rotating base. A rotating shaft is provided on the front side of the rotating base. A first connecting sleeve and a second connecting sleeve are provided on the rear side of the first molded part and the second molded part. The first connecting sleeve and the second connecting sleeve cooperate with the rotating shaft to rotatably connect the first molded part and the second molded part to the front side of the rotating base.
3. The novel demolding device for inverted bottles according to claim 2, characterized in that, The two ends of the rotating shaft are fixedly connected to screws, thereby limiting the first molded part and the second molded part on the rotating shaft.
4. The novel demolding device for inverted bottles according to claim 1, characterized in that, The reset mechanism is a reset spring. The back plate of the first mold body and the balance plate are respectively provided with a back plate reset groove and a balance plate reset groove that are adapted to the reset spring.
5. The novel demolding device for inverted bottles according to claim 1, characterized in that, The first molded part is provided with a first molded part connector molding groove, and the second molded part is provided with a second molded part connector molding groove. The first molded part connector molding groove and the second molded part connector molding groove are assembled to form the connector molding groove. A molding protrusion is provided on the inner side of the first molded part connector molding groove.
6. The novel demolding device for inverted bottles according to claim 1, characterized in that, There are two drive shafts, which are respectively located on both sides of the front end of the balance plate.