CN113386286A - Edge covering production die - Google Patents

Abstract

The invention discloses a binding production die, which comprises two module units, wherein the two module units are overlapped; the two module units are respectively called an upper module and a lower module, a cavity is formed between the upper module and the lower module, the cavity comprises an accommodating area and a molding area, and the molding area is arranged on the peripheral edge of the accommodating area; at least one module unit is provided with an ejection mechanism, the ejection mechanism is arranged between the accommodating area and the module unit and comprises an ejection piece and an elastic structure, the ejection piece is movably connected with the module unit up and down, and the ejection piece is connected with the module unit through the elastic structure. By arranging the ejection mechanism, the ejection piece can apply outward ejection force to the glass pot cover under the action of the elastic structure during demoulding, so that demoulding is facilitated; in addition, because the elastic structure can absorb the deformation of the mold and the glass pot cover in the heating process, the ejection piece can be tightly attached to the glass pot cover to prevent the high polymer material from overflowing onto the glass pot cover.

Description

Edge covering production die

Technical Field

The invention relates to the field of plastic substance processing, in particular to a wrapping production die.

Background

With the continuous development of polymer material technology, an optimized scheme for wrapping the main body of a product by using a polymer material is provided, for example, wrapping a glass pot cover. The edge covering treatment is generally performed by die forming, however, the formed product is easily adsorbed on the die and is difficult to be released. In addition, the mold and the glass are deformed in the heating process, a gap needs to be reserved between the mold and the glass in order to prevent the glass from being damaged due to extrusion of the mold, and redundant high polymer materials overflow from the gap during molding and are attached to the glass and are difficult to remove.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a hemming production die.

The edge covering production die comprises two module units, wherein the two module units are overlapped; the two module units are respectively called an upper module and a lower module, a cavity is formed between the upper module and the lower module by taking the position of the upper module relative to the lower module as the upper part, the cavity comprises an accommodating area and a molding area, and the molding area is arranged on the peripheral edge of the accommodating area; at least one module unit is provided with an ejection mechanism, the ejection mechanism is arranged between the accommodating area and the module unit and comprises an ejection piece and an elastic structure, the ejection piece is movably connected with the module unit up and down, and the ejection piece is connected with the module unit through the elastic structure.

The edge covering production die provided by the embodiment of the invention at least has the following technical effects: when the edge covering machine is used, a main body of a product, such as a glass pot cover, can be placed in the accommodating area, and a high polymer material is filled in the forming area through compression molding, injection molding or other modes, namely the main body of the product is subjected to edge covering treatment; by arranging the ejection mechanism, the ejection piece can apply outward ejection force to the glass pot cover under the action of the elastic structure during demoulding, so that demoulding is facilitated; in addition, because the elastic structure can absorb the deformation of the mold and the glass pot cover in the heating process, the ejection piece can be tightly attached to the glass pot cover to prevent the high polymer material from overflowing onto the glass pot cover.

According to some embodiments of the present invention, the ejector has an ejector portion and a slider portion, the ejector portion is disposed between the slider portion and the accommodating area, the module unit is provided with a vertically disposed slide hole corresponding to the slider portion, and the slider portion is disposed in the slide hole. Through setting up slider portion and slide opening, slider portion plays the effect with module unit sliding connection from top to bottom, and ejecting portion can make the shape of laminating glass pot cover according to actual need, and ejecting portion plays the effect of ejecting glass pot cover.

According to some embodiments of the invention, the ejecting member is provided with a vent hole vertically penetrating through the ejecting portion and the sliding block portion, and one end of the sliding hole far away from the ejecting portion is provided with a first vent hole. When the mold is closed, air between the ejection part and the glass pot cover can flow into the sliding hole from the vent hole and then is exhausted from the first vent hole, so that the air is prevented from being extruded to a molding area.

According to some embodiments of the invention, the slide hole has a first hole section and a second hole section, the first hole section is disposed between the second hole section and the ejection portion, the second hole section has a larger hole diameter than the first hole section, the slider portion is provided with a stopper ring, the stopper ring is disposed in the second hole section, and an outer diameter of the stopper ring is larger than the hole diameter of the first hole section. The baffle ring plays a limiting role, and the ejection piece can be prevented from falling out when the upper module and the lower module are separated.

According to some embodiments of the invention, the upper module is provided with the ejection mechanism, and the ejection part provided on the upper module is referred to as an upper ejection part; the bottom of going up the module is equipped with and is annular butt edge, the bottom on butt edge with the holding region is pressed close to, the butt edge is located go up ejecting portion with between the shaping region. The bottom on butt edge can support the glass pot cover during the use, and the butt is along playing the effect of location, and simultaneously, the butt is along can also stopping macromolecular material and spilling over to the glass pot cover.

According to some embodiments of the invention, the slider part provided to the upper module is referred to as an upper slider part, and the elastic structure provided to the upper module is referred to as an upper elastic structure, the upper elastic structure being connected between the upper slider part and the upper module. Go up elastic construction and connect between last slider portion and last module, simple structure is convenient for set up.

According to some embodiments of the present invention, the top of the upper sliding block portion is provided with a plurality of first holes, the plurality of first holes are uniformly arranged along the circumferential direction of the sliding hole, the upper elastic structure includes a plurality of vertically arranged first springs, the bottoms of the first springs are arranged in the first holes, and the tops of the first springs are connected to the upper module. The upper elastic structure comprises a plurality of first springs, so that the force applied by the upper elastic structure to each position of the upper sliding block part is relatively balanced, and the upper sliding block part can stably move up and down; during assembly, the first spring can be placed in the first hole, and then the upper sliding block part is placed in the sliding hole, so that assembly is facilitated.

According to some embodiments of the present invention, the lower module is provided with the ejection mechanism, the ejection portion provided on the lower module is referred to as a lower ejection portion, the lower ejection portion has an outer edge, the molding region is disposed around the outer edge, the top of the outer edge is close to the accommodating region, the lower module is provided with a waste material cavity, the lower ejection portion is covered on the top of the waste material cavity, and the waste material cavity is provided with a second vent hole. When the glass pot cover is used for compression molding, in the mold closing process, the glass pot cover is placed on the lower ejection part and is tightly attached to the outer edge, the lower ejection part protrudes out of the lower module under the action of the lower elastic structure, redundant high polymer materials can overflow to the excess material cavity, the lower ejection part gradually moves downwards along with the approach of the upper module and the lower module until the excess material cavity is completely sealed, and the mold closing is completed; the arrangement of outer border can block that macromolecular material flows to the glass pot cover, and the effect of balanced atmospheric pressure is played in the second bleeder vent.

According to some embodiments of the present invention, the slider portion and the elastic structure provided to the lower module are respectively referred to as a lower slider portion and a lower elastic structure; the connecting piece is arranged in the excess material cavity and connected with the lower ejection part, the connecting piece is annular and sleeved outside the lower sliding block part, and the lower elastic structure is connected between the connecting piece and the lower module. Through setting up the connecting piece, on the power that lower elastic component provided can be transmitted the ejecting portion down through the connecting piece, the power transmission department between lower elastic component and the ejecting portion is comparatively close to the resistance department of drawing of patterns down, stable in structure.

According to some embodiments of the invention, a plurality of second holes are formed in the bottom of the waste material cavity, the plurality of second holes are uniformly arranged along the circumferential direction of the sliding hole, the lower elastic structure comprises a plurality of second springs which are vertically arranged, the bottoms of the second springs are arranged in the second holes, and the tops of the second springs are connected with the connecting piece. The lower elastic structure applies more balanced force to all positions of the connecting piece; during assembly, the second spring can be placed in the second hole firstly, and then the connecting piece is placed in the residual material cavity, so that assembly is facilitated.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic sectional view of a front view of a hemming production mold according to an embodiment of the present invention;

FIG. 2 is an exploded view of a hemming mold according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view of region a in fig. 1.

In the drawings:

100-a lower slider portion; 110-a vent; 120-baffle ring; 200-lower module; 300-a connector; 310-a second vent; 320-a second spring; 330-a second aperture; 400-lower ejection part; 410-outer edge; 500-glass pot cover; 510-a molding area; 600-top ejection; 700-upper module; 710-an abutment edge; 720-air holes are arranged; 800-an upper slider part; 810-a first spring; 830-first hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

A hemming production mold according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.

The edge covering production die comprises two module units, wherein the two module units are overlapped; the two module units are respectively called an upper module 700 and a lower module 200, the position of the upper module 700 relative to the lower module 200 is upward, a cavity is formed between the upper module 700 and the lower module 200, the cavity comprises a containing area and a forming area 510, and the forming area 510 is arranged on the peripheral edge of the containing area; at least one module unit is provided with an ejection mechanism, the ejection mechanism is arranged between the accommodating area and the module unit and comprises an ejection piece and an elastic structure, the ejection piece is movably connected with the module unit up and down, and the ejection piece is connected with the module unit through the elastic structure.

For example, as shown in fig. 1, both the upper module 700 and the lower module 200 are provided with the ejector mechanism, but of course, if the product is not vertically symmetrical and is generally attracted to the upper module 700 at the time of mold release, the ejector mechanism may be provided only to the upper module 700, and if the product is generally attracted to the lower module 200 at the time of mold release, the ejector mechanism may be provided only to the lower module 200. The bottom surface of the upper module 700 is provided with a first groove which is concave upwards, the top surface of the lower module 200 is provided with a second groove which is concave downwards, the first groove and the second groove are combined to form a cavity, the ejection mechanism arranged on the upper module 700 is arranged on the upper side of the cavity and can eject the glass pot cover 500 downwards, and the ejection mechanism arranged on the lower module 200 is arranged on the lower side of the cavity and can eject the glass pot cover 500 upwards; the ejection piece and the module unit can be movably connected up and down through the structure of the sliding rail and the sliding rod, the structure of the sliding hole and the sliding rod or other suitable structures, and the elastic structure can be a spiral spring, a butterfly spring, an elastic sheet or other suitable components.

When the glass pot cover is used, a main body of a product, such as the glass pot cover 500, can be placed in the accommodating area, and a high polymer material is filled in the forming area 510 through compression molding, injection molding or other modes, namely the main body of the product is subjected to edge covering treatment; by arranging the ejection mechanism, the ejection piece can apply an outward ejection force to the glass pot cover 500 under the action of the elastic structure during demoulding, so that demoulding is facilitated; in addition, because the elastic structure can absorb the deformation of the mold and the glass pot cover 500 in the heating process, the ejection piece can be tightly attached to the glass pot cover 500, and the high polymer material is prevented from overflowing onto the glass pot cover 500.

In some embodiments of the present invention, the ejector has an ejector part and a slider part, the ejector part is disposed between the slider part and the accommodating area, the module unit is provided with a vertically disposed slide hole corresponding to the slider part, and the slider part is disposed in the slide hole. By arranging the sliding block part and the sliding hole, the sliding block part and the sliding hole can be in clearance fit, the sliding block part can stably move up and down in the sliding hole, and the elastic structure can be connected between the sliding block part and the module unit and also can be connected between the ejection part and the module unit; the sliding block part and the ejection part can be integrated or two independent components, the sliding block part and the ejection part can be components of the same material or components of two different materials, the sliding block part is connected with the module unit in a vertical sliding mode, the ejection part is used for ejecting the glass pot cover 500, the ejection part can be made into a shape fitting the glass pot cover 500 by selecting a material with low rigidity according to actual requirements, and the sliding block part can be made of a material with high rigidity so that the vertical sliding precision is high; referring to fig. 2, the ejection portion may be shaped as a circular disk.

In some embodiments of the present invention, the ejecting member is provided with a vent hole 110 vertically penetrating through the ejecting portion and the sliding block portion, and one end of the sliding hole far away from the ejecting portion is provided with a first vent hole. When the mold is closed, air between the ejection part and the glass pot cover 500 can flow into the sliding hole from the vent hole 110 and then is exhausted from the first vent hole, so that the air is prevented from being extruded to the molding area 510; referring to fig. 2, the upper module 700 may be composed of a middle module and an upper module covering the top of the middle module, a first vent hole formed on the upper module 700 is referred to as an upper vent hole 720, a groove is formed on the top of the middle module, and the upper module covers the groove to form the upper vent hole 720; of course, the upper module 700 may also be a unitary member.

In some embodiments of the present invention, the sliding hole has a first hole 830 section and a second hole 330 section, the first hole 830 section is disposed between the second hole 330 section and the ejection portion, the aperture of the second hole 330 section is larger than the aperture of the first hole 830 section, the slider portion is provided with a baffle ring 120, the baffle ring 120 is disposed in the second hole 330 section, and the outer diameter of the baffle ring 120 is larger than the aperture of the first hole 830 section. The retainer ring 120 and the slider portion may be an integral member, and the retainer ring 120 plays a role of limiting, and can prevent the ejector from falling out when the upper module 700 and the lower module 200 are separated.

In some embodiments of the present invention, the upper module 700 is provided with an ejection mechanism, and an ejection part provided in the upper module 700 is referred to as an upper ejection part 600; the bottom of the upper module 700 is provided with an annular abutting edge 710, the bottom of the abutting edge 710 is close to the accommodating area, and the abutting edge 710 is arranged between the upper ejection part 600 and the molding area 510. Referring to fig. 3, when in use, the bottom of the abutting edge 710 can abut against the glass pot cover 500, the abutting edge 710 plays a role in positioning, and meanwhile, the abutting edge 710 can also prevent the high polymer material from overflowing onto the glass pot cover 500. The abutment rim 710 and the upper module 700 may be a unitary member.

In some embodiments of the present invention, a slider part provided to the upper module 700 is referred to as an upper slider part 800, and an elastic structure provided to the upper module 700 is referred to as an upper elastic structure, which is connected between the upper slider part 800 and the upper module 700. Referring to fig. 1, a convex edge may be disposed at the top of the upper ejection part 600, an insertion groove is disposed at a position of the upper slider part 800 corresponding to the convex edge, and the convex edge is inserted into the insertion groove, so that the upper ejection part 600 is fixedly mounted on the upper slider part 800; because the abutting edge 710 is arranged, the abutting edge 710 can block the high polymer material from flowing to the upper sliding block part 800, the upper sliding block part 800 and the forming area 510 are not required to be provided with a cavity for accommodating the high polymer material overflowing, the diameter of the upper sliding block part 800 can be set to be larger, the resistance of demolding is at the forming cavity, the force transmission part between the upper sliding block part 800 and the upper ejection part 600 is closer to the resistance of demolding, the structure is stable, the upper elastic structure is connected between the upper sliding block part 800 and the upper mold block 700, the structure is simple, and the arrangement is convenient.

In some embodiments of the present invention, the top of the upper sliding block part 800 is provided with a plurality of first holes 830, the plurality of first holes 830 are uniformly arranged along the circumference of the sliding hole, the upper elastic structure comprises a plurality of vertically arranged first springs 810, the bottom of the first springs 810 is arranged in the first holes 830, and the top of the first springs 810 is connected with the upper module 700. Both ends of the first spring 810 can be respectively and fixedly connected with the upper sliding block part 800 and the upper module 700, and if the upper sliding block part 800 is provided with the baffle ring 120, both ends of the first spring 810 can be respectively abutted against the upper sliding block part 800 and the upper module 700; the upper elastic structure includes a plurality of first springs 810, so that the force applied by the upper elastic structure to each position of the upper slider part 800 is relatively balanced, and the upper slider part 800 can move up and down stably; during assembly, the first spring 810 can be placed in the first hole 830, and then the upper sliding block part 800 can be placed in the sliding hole, so that assembly is facilitated.

In some embodiments of the present invention, the lower module 200 is provided with an ejection mechanism, the ejection portion provided on the lower module 200 is referred to as a lower ejection portion 400, the lower ejection portion 400 has an outer edge 410, the molding region 510 is disposed around the outer edge 410, the top of the outer edge 410 is close to the receiving region, the lower module 200 is provided with a residue cavity, the lower ejection portion 400 is covered on the top of the residue cavity, and the residue cavity is provided with the second vent 310. The lower ejection part 400 is disc-shaped, the outer edge 410 is slightly higher than the main body of the lower ejection part 400, and the excess material cavity is annular and is sleeved outside the lower sliding block part 100; thus, when the glass pot cover is used for compression molding, in the mold closing process, the glass pot cover 500 is placed on the lower ejection part 400 and is tightly attached to the outer edge 410, the lower ejection part 400 protrudes out of the lower module 200 under the action of the lower elastic structure, redundant high polymer materials can overflow to the excess material cavity, the lower ejection part 400 gradually moves downwards along with the approaching of the upper module 700 and the lower module 200 until the excess material cavity is completely sealed, and the mold closing is completed; the outer edge 410 is disposed to block the polymer material from flowing onto the glass pot cover 500, and the second air holes 310 have a function of balancing air pressure.

In some embodiments of the present invention, the slider portion and the elastic structure provided in the lower module 200 are respectively referred to as a lower slider portion 100 and a lower elastic structure; the connecting piece 300 is arranged in the excess material cavity, the connecting piece 300 is connected with the lower ejection part 400, the connecting piece 300 is annular, the connecting piece 300 is sleeved outside the lower sliding block part 100, and the lower elastic structure is connected between the connecting piece 300 and the lower module 200. Because the remainder cavity is arranged, the diameter of the lower sliding block part 100 is smaller, the demoulding resistance is at the forming cavity, if the lower elastic component is arranged at the lower sliding block part 100, the force transmission part between the lower elastic component and the lower ejection part 400 is far away from the demoulding resistance, and the structure is unstable; by arranging the connecting piece 300, the force provided by the lower elastic component can be transmitted to the lower ejection part 400 through the connecting piece 300, and the force transmission position between the lower elastic component and the lower ejection part 400 is closer to the demoulding resistance position, so that the structure is stable; the first air hole formed in the lower module 200 is called a lower air hole, and the lower slider portion 100 does not need to be provided with a lower elastic member, and the bottom of the sliding hole formed in the lower module 200 can be opened, and the opened position is the lower air hole.

In some embodiments of the present invention, the bottom of the waste material cavity is provided with a plurality of second holes 330, the plurality of second holes 330 are uniformly arranged along the circumference of the sliding hole, the lower elastic structure comprises a plurality of second springs 320 vertically arranged, the bottom of the second springs 320 is arranged in the second holes 330, and the top of the second springs 320 is connected with the connecting member 300. Both ends of the second spring 320 may be respectively and fixedly connected to the connecting member 300 and the lower module 200, and if the lower slider portion 100 is provided with the stopper ring 120, both ends of the second spring 320 may be respectively abutted to the connecting member 300 and the lower module 200; the lower elastic structure comprises a plurality of second springs 320, so that the force applied by the lower elastic structure to each position of the connecting member 300 is relatively balanced; during assembly, the second spring 320 can be placed in the second hole 330, and then the connecting piece 300 is placed in the waste material cavity, so that assembly is facilitated; the second vent 310 can be disposed at the bottom of the second hole 330.

While the preferred embodiments of the present invention have been described in detail, it should be understood that the invention is not limited to those precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined in the appended claims.

Claims (10)

1. The utility model provides a production mould bordures which characterized in that: the device comprises two module units which are overlapped; the two module units are respectively called an upper module and a lower module, a cavity is formed between the upper module and the lower module by taking the position of the upper module relative to the lower module as the upper part, the cavity comprises an accommodating area and a molding area, and the molding area is arranged on the peripheral edge of the accommodating area; at least one module unit is provided with an ejection mechanism, the ejection mechanism is arranged between the accommodating area and the module unit and comprises an ejection piece and an elastic structure, the ejection piece is movably connected with the module unit up and down, and the ejection piece is connected with the module unit through the elastic structure.

2. A hemming production die according to claim 1 wherein: the ejection piece is provided with an ejection part and a sliding block part, the ejection part is arranged between the sliding block part and the containing area, the module unit is provided with a vertically arranged sliding hole corresponding to the sliding block part, and the sliding block part is arranged in the sliding hole.

3. A hemming production die according to claim 2 wherein: the ejection part is provided with a vent hole which vertically penetrates through the ejection part and the sliding block part, and one end of the sliding hole, which is far away from the ejection part, is provided with a first vent hole.

4. A hemming production die according to claim 2 wherein: the slide hole is provided with a first hole section and a second hole section, the first hole section is arranged between the second hole section and the ejection part, the aperture of the second hole section is larger than that of the first hole section, the slide block part is provided with a baffle ring, the baffle ring is arranged in the second hole section, and the outer diameter of the baffle ring is larger than that of the first hole section.

5. Hemming production die according to any of claims 2 to 4, characterised in that: the upper module is provided with the ejection mechanism, and the ejection part arranged on the upper module is called an upper ejection part; the bottom of going up the module is equipped with and is annular butt edge, the bottom on butt edge with the holding region is pressed close to, the butt edge is located go up ejecting portion with between the shaping region.

6. A hemming production die according to claim 5 wherein: the sliding block part arranged on the upper module is called an upper sliding block part, the elastic structure arranged on the upper module is called an upper elastic structure, and the upper elastic structure is connected between the upper sliding block part and the upper module.

7. A hemming production die according to claim 6 wherein: the top of upper sliding block portion is equipped with a plurality of first holes, and is a plurality of first hole is followed the circumference of slide opening evenly sets up, it includes the first spring of a plurality of vertical settings to go up the elastic construction, the bottom of first spring is located in the first hole, the top of first spring with go up the module connection.

8. Hemming production die according to any of claims 2 to 4, characterised in that: the lower module is provided with the ejection mechanism, the ejection part of the lower module is called as a lower ejection part, the lower ejection part is provided with an outer edge, the forming area is arranged around the periphery of the outer edge, the top of the outer edge is close to the containing area, the lower module is internally provided with a waste material cavity, the lower ejection part is covered on the top of the waste material cavity, and the waste material cavity is provided with a second air hole.

9. A hemming production die according to claim 8 wherein: the sliding block part and the elastic structure which are arranged on the lower module are respectively called as a lower sliding block part and a lower elastic structure; the connecting piece is arranged in the excess material cavity and connected with the lower ejection part, the connecting piece is annular and sleeved outside the lower sliding block part, and the lower elastic structure is connected between the connecting piece and the lower module.

10. A hemming production die according to claim 9 wherein: the bottom in surplus material chamber is equipped with a plurality of second holes, and is a plurality of the second hole is followed the circumference of slide opening evenly sets up, down the elastic construction includes the second spring of a plurality of vertical settings, the bottom of second spring is located in the second hole, the top of second spring with the connecting piece is connected.

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