Insulation ring forming device

Abstract

The utility model discloses an insulating ring forming device, which relates to the field of injection molding and comprises a first sprue bush, an upper fixing plate, a plate A, a second sprue bush, a push plate, a female mold core, a male mold core, a plate B, a first insert and a second insert, the lower end of the first insert is detachably arranged in the plate B, and the upper end of the first insert penetrates through the male mold core. The upper end of each second insert is detachably arranged on the upper fixing plate through a first sprue bush, a runner is arranged on the upper surface of the female die core, each second insert penetrates through the runner, a second forming end is arranged on the lower end face of each second insert in a protruding mode, the second forming ends are arranged in the cavity, and the first forming ends are separated from the second forming ends. Under the action of the runner on the upper surface of the female mold core, the runner is left on the upper surface of the female mold core after an injection molding part is molded and cured, a product is left on the lower side of the female mold core, and when the product is taken down from the mold core during mold opening, a glue inlet of the product is automatically disconnected, and the runner is left in the female mold core.

Description

Technical Field

[0001] The utility model relates to the field of injection molding, in particular to an insulating ring molding device. Background Art

[0002] At present, after the product gate is injection molded, the product and the nozzle material will be connected together, and the nozzle material needs to be cut off manually. At present, most plastic molding molds on the market need to be processed a second time to cut off the nozzle material. Generally, the nozzle material is trimmed manually or by machine. Manual trimming is relatively costly and inefficient. Due to manual errors, uneven trimming often occurs, affecting the appearance of the product.

[0003] When processing transparent insulating rings, due to the small outer diameter of the insulating ring and the thin product, there is little operating space when manually cutting off the gate material, which will scratch the surface of the product, making it difficult to remove the gate, and the traces left after the gate is removed are more obvious. Utility Model Content

[0004] The purpose of the utility model is to provide an insulating ring forming device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an insulating ring forming device, comprising: a first gate sleeve, an upper fixed plate, an A plate, a second gate sleeve, a push plate, a female mold core, a male mold core, a B plate, a first insert and a second insert, the upper fixed plate, the A plate, the push plate and the B plate are arranged in sequence along a straight line, the first gate sleeve is arranged at the center position of the upper fixed plate, the second gate sleeve is arranged between the A plate and the push plate, the lower end of the first gate is connected to the second gate sleeve, the female mold core and the male mold core are respectively embedded in the center position of the lower surface of the push plate and the upper surface of the B plate, the female mold core is provided with a plurality of cavities, the first insert, the second insert The first insert is arranged in one-to-one correspondence with the cavity, the lower end of the first insert is detachably arranged inside the B plate, the upper end of the first insert passes through the male mold core, the upper end surface of the first insert is convexly provided with a first molding end, the first molding end is arranged at the center position of the cavity, the upper end of the second insert is detachably arranged on the upper fixed plate through the first gate sleeve, the lower end of the second insert passes through the upper fixed plate, the A plate, the second gate sleeve and the female mold core in sequence, the upper surface of the female mold core is provided with a flow channel, each of the second inserts passes through the flow channel, the lower end surface of the second insert is convexly provided with a second molding end, the second molding end is arranged inside the cavity, and the first molding end is separated from the second molding end.

[0006] Preferably, it also includes a first electric heating rod, a second electric heating rod, a first joint and a second joint, the first electric heating rod and the second electric heating rod are respectively evenly spaced inside the male mold core and the female mold core, the first joint and the second joint are respectively arranged on the side of the B plate and the push plate, the first electric heating rod is electrically connected to the first joint, and the second electric heating rod is electrically connected to the second joint.

[0007] Preferably, a second protrusion is integrally formed on the upper end of the second insert, and the second protrusion is arranged between the first gate sleeve and the upper fixed plate. The runner is provided with a plurality of cold wells, and the cold wells correspond to the mold cavity one by one. The second insert is arranged through the center position of the cold well, and the diameter of the second insert is smaller than the diameter of the cold well. The mother mold core is provided with a through hole, and the lower end of the second insert passes through the through hole, and the second insert is clearance-matched with the through hole.

[0008] Preferably, the first gate sleeve includes a barrel body and a positioning ring, the positioning ring is integrally formed and arranged on the upper end of the barrel body, the second insert is projected onto the barrel body or the positioning ring along the mold opening direction, a threaded hole is opened inside the barrel body, a screw is threadedly connected to the threaded hole, and the second insert is projected onto the lower surface of the barrel body or the positioning ring along the mold opening direction.

[0009] Preferably, when the second insert is projected onto the barrel body along the mold opening direction, the upper end of the second insert passes through the outer wall of the barrel body and is arranged in the threaded hole, and the lower end of the screw abuts against the upper end of the second insert.

[0010] Preferably, when the second insert is projected onto the positioning ring along the mold opening direction, the upper end of the second insert is clamped between the positioning ring and the upper fixing plate.

[0011] Preferably, it also includes a mounting plate, which is embedded in the lower surface of the B plate, and a first protrusion is integrally formed at the lower end of the first insert, and the first protrusion is clamped between the B plate and the mounting plate.

[0012] Preferably, the first molding end and the second molding end are both cylindrical structures, 2*D<Ra-Rb, wherein the radius of the cavity is Ra, the radius of the first molding end is Rb, and the diameter of the second molding end is D.

[0013] Preferably, a groove is provided at the center of the second sprue sleeve, the lower end of the groove is connected to the runner, and the lower end of the first sprue is arranged inside the groove.

[0014] Preferably, the first insert and the second insert both include a rod body and a block body, both the rod body and the block body are cylindrical structures, the upper end of the rod body is integrally formed and arranged at the center position of the lower surface of the block body, the diameter of the rod body is smaller than the diameter of the block body, and the through hole and the lower end of the rod body gradually shrink in the direction away from the upper fixed plate.

[0015] The function of the electric heating rod is to heat the material inside the flow channel on the upper surface of the mother mold core so that it remains in a molten state when the mold is closed, so as to facilitate injection molding.

[0016] The beneficial effects of the utility model are as follows: the flow channel on the upper surface of the mother mold core will remain on the upper surface of the mother mold core after the injection molded part is molded and solidified, and the product will remain on the lower side of the mother mold core. When the product is removed from the mold core during mold opening, the product glue inlet will be automatically disconnected, and the flow channel will remain in the mother mold core. The mother mold core is heated to process subsequent products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings further illustrate the present invention, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0018] Figure 1 A cross-sectional view of an insulating ring forming device provided in one embodiment of the utility model Figure 1 ;

[0019] Figure 2 A cross-sectional view of an insulating ring forming device provided in one embodiment of the utility model Figure 2 ;

[0020] Figure 3 for Figure 2 An enlarged view of the A part in FIG.

[0021] Figure 4 A schematic diagram of the structure of a female mold core provided in one embodiment of the utility model;

[0022] Figure 5 A schematic structural diagram of the rear mold portion of an insulating ring forming device provided in one embodiment of the utility model;

[0023] Figure 6 A schematic structural diagram of the front mold portion of an insulating ring forming device provided in one embodiment of the utility model.

[0024] Figure numerals: 1: first sprue bushing; 2: upper fixing plate; 3: A plate; 4: second sprue bushing; 5: push plate; 6: female mold core; 7: male mold core; 8: B plate; 9: first insert; 10: second insert. DETAILED DESCRIPTION

[0025] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0026] It should be noted that in the present invention, unless otherwise stated, when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element at the same time. The directional words used, such as "upper, lower, left, right" generally refer to the position of the element. Figure 1 Up, down, left, and right as shown.

[0027] like Figure 1-Figure 6 As shown in, an insulating ring forming device provided by an embodiment of the utility model includes: a first gate sleeve 1, an upper fixed plate 2, an A plate 3, a second gate sleeve 4, a push plate 5, a female mold core 6, a male mold core 7, a B plate 8, a first insert 9 and a second insert 10, the upper fixed plate 2, the A plate 3, the push plate 5 and the B plate 8 are arranged in sequence along a straight line, the first gate sleeve 1 is arranged at the center position of the upper fixed plate 2, the second gate sleeve 4 is arranged between the A plate 3 and the push plate 5, the lower end of the first gate is connected to the second gate sleeve 4, the female mold core 6 and the male mold core 7 are respectively embedded in the center position of the lower surface of the push plate 5 and the upper surface of the B plate 8, the female mold core 6 is provided with a plurality of cavities, the first insert 9, the second insert 1 0 is arranged in one-to-one correspondence with the cavity, the lower end of the first insert 9 is detachably arranged inside the B plate 8, the upper end of the first insert 9 passes through the male mold core 7, the upper end surface of the first insert 9 is convexly provided with a first molding end, and the first molding end is arranged at the center position of the cavity, the upper end of the second insert 10 is detachably arranged on the upper fixed plate 2 through the first gate sleeve 1, the lower end of the second insert 10 passes through the upper fixed plate 2, the A plate 3, the second gate sleeve 4 and the female mold core 6 in sequence, the upper surface of the female mold core 6 is provided with a flow channel, each of the second inserts 10 passes through the flow channel, the lower end surface of the second insert 10 is convexly provided with a second molding end, the second molding end is arranged inside the cavity, and the first molding end is separated from the second molding end.

[0028] An insulating ring forming device also includes a first electric heating rod, a second electric heating rod, a first joint and a second joint. The first electric heating rod and the second electric heating rod are evenly spaced inside the male mold core 7 and the female mold core 6, respectively. The first joint and the second joint are respectively arranged on the side of the B plate 8 and the push plate 5. The first electric heating rod is electrically connected to the first joint, and the second electric heating rod is electrically connected to the second joint.

[0029] The second insert 10 has a second protrusion integrally formed on the upper end, and the second protrusion is arranged between the first gate sleeve 1 and the upper fixed plate 2. The runner is provided with a plurality of cold wells, and the cold wells correspond to the mold cavities one by one. The second insert 10 is arranged through the center of the cold well. The diameter of the second insert 10 is smaller than the diameter of the cold well. The mother mold core 6 has a through hole, and the lower end of the second insert 10 passes through the through hole, and the second insert 10 is gap-matched with the through hole.

[0030] The first gate sleeve 1 includes a barrel body and a positioning ring, the positioning ring is integrally formed and arranged on the upper end of the barrel body, the second insert 10 is projected onto the barrel body or the positioning ring along the mold opening direction, a threaded hole is opened inside the barrel body, the threaded hole is threaded with a screw, and the second insert 10 is projected onto the lower surface of the barrel body or the positioning ring along the mold opening direction.

[0031] When the second insert 10 is projected onto the barrel body along the mold opening direction, the upper end of the second insert 10 penetrates through the outer wall of the barrel body and is disposed in the threaded hole, and the lower end of the screw abuts against the upper end of the second insert 10 .

[0032] When the second insert 10 is projected onto the positioning ring along the mold opening direction, the upper end of the second insert 10 is clamped between the positioning ring and the upper fixing plate 2 .

[0033] It also includes a mounting plate, which is embedded in the lower surface of the B plate 8. The lower end of the first insert 9 is integrally formed with a first protrusion, and the first protrusion is clamped between the B plate 8 and the mounting plate.

[0034] The first molding end and the second molding end are both cylindrical structures, 2*D<Ra-Rb, wherein the radius of the cavity is Ra, the radius of the first molding end is Rb, and the diameter of the second molding end is D.

[0035] A groove is provided at the center of the second sprue sleeve 4 , the lower end of the groove is connected to the runner, and the lower end of the first sprue is arranged inside the groove.

[0036] The first insert 9 and the second insert 10 both include a rod body and a block body, both of which are cylindrical structures, the upper end of the rod body is integrally formed and arranged at the center position of the lower surface of the block body, the diameter of the rod body is smaller than the diameter of the block body, and the through hole and the lower end of the rod body gradually shrink in the direction away from the upper fixed plate 2.

[0037] In one embodiment, the rod body includes a first rod, a second rod and a third rod, and two ends of the second rod are respectively threadedly connected to the first rod and the third rod.

[0038] The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, which should be considered as the scope of this specification.

Claims

1. An insulating ring forming device, characterized in that: include: The first gate sleeve, the upper fixed plate, the A plate, the second gate sleeve, the push plate, the female mold core, the male mold core, the B plate, the first insert and the second insert, the upper fixed plate, the A plate, the push plate and the B plate are arranged in sequence along a straight line, the first gate sleeve is arranged at the center position of the upper fixed plate, the second gate sleeve is arranged between the A plate and the push plate, the lower end of the first gate is connected to the second gate sleeve, the female mold core and the male mold core are respectively embedded in the center position of the lower surface of the push plate and the upper surface of the B plate, the female mold core is provided with a plurality of cavities, the first insert, the second insert and the cavity are arranged one by one, the lower end of the first insert It is detachably arranged inside the B plate, the upper end of the first insert passes through the male mold core, the upper end surface of the first insert is convexly provided with a first molding end, the first molding end is arranged at the center position of the cavity, the upper end of the second insert is detachably arranged on the upper fixed plate through the first gate sleeve, the lower end of the second insert passes through the upper fixed plate, the A plate, the second gate sleeve and the female mold core in sequence, the upper surface of the female mold core is provided with a flow channel, each of the second inserts passes through the flow channel, the lower end surface of the second insert is convexly provided with a second molding end, the second molding end is arranged inside the cavity, and the first molding end is separated from the second molding end.

2. The insulating ring forming device according to claim 1, characterized in that: It also includes a first electric heating rod, a second electric heating rod, a first joint and a second joint. The first electric heating rod and the second electric heating rod are evenly spaced inside the male mold core and the female mold core, respectively. The first joint and the second joint are respectively arranged on the side of the B plate and the push plate. The first electric heating rod is electrically connected to the first joint, and the second electric heating rod is electrically connected to the second joint.

3. The insulating ring forming device according to claim 1, characterized in that: The upper end of the second insert is integrally formed with a second protrusion, the second protrusion is arranged between the first gate sleeve and the upper fixed plate, the runner is provided with a plurality of cold material wells, the cold material wells correspond to the mold cavity one by one, the second insert is penetrated and arranged at the center position of the cold material well, the diameter of the second insert is smaller than the diameter of the cold material well, the mother mold core is provided with a through hole, the lower end of the second insert penetrates the through hole, and the second insert is gap-matched with the through hole.

4. The insulating ring forming device according to claim 1, characterized in that: The first gate sleeve includes a barrel body and a positioning ring, the positioning ring is integrally formed and arranged on the upper end of the barrel body, the second insert is projected onto the barrel body or the positioning ring along the mold opening direction, a threaded hole is opened inside the barrel body, a screw is threadedly connected to the threaded hole, and the second insert is projected onto the lower surface of the barrel body or the positioning ring along the mold opening direction.

5. The insulating ring forming device according to claim 4, characterized in that: When the second insert is projected onto the barrel body along the mold opening direction, the upper end of the second insert passes through the outer wall of the barrel body and is arranged in the threaded hole, and the lower end of the screw abuts against the upper end of the second insert.

6. The insulating ring forming device according to claim 4, characterized in that: When the second insert is projected onto the positioning ring along the mold opening direction, the upper end of the second insert is clamped between the positioning ring and the upper fixing plate.

7. The insulating ring forming device according to claim 1, characterized in that: It also includes a mounting plate, which is embedded in the lower surface of the B plate. The lower end of the first insert is integrally formed with a first protrusion, and the first protrusion is clamped between the B plate and the mounting plate.

8. The insulating ring forming device according to claim 1, characterized in that: The first molding end and the second molding end are both cylindrical structures, 2*D<Ra-Rb, wherein the radius of the cavity is Ra, the radius of the first molding end is Rb, and the diameter of the second molding end is D.

9. The insulating ring forming device according to claim 1, characterized in that: A groove is provided at the center of the second sprue sleeve, the lower end of the groove is connected to the runner, and the lower end of the first sprue is arranged inside the groove.

10. The insulating ring forming device according to claim 3, characterized in that: The first insert and the second insert both include a rod body and a block body, both of which are cylindrical structures, the upper end of the rod body is integrally formed and arranged at the center position of the lower surface of the block body, the diameter of the rod body is smaller than the diameter of the block body, and the through hole and the lower end of the rod body gradually shrink in the direction away from the upper fixed plate.

Images