阅读说明：本技术 一种多边形箍边模具 (Polygonal hoop edge mold ) 是由 殷武 于 2021-11-06 设计创作，主要内容包括：本发明涉及模具技术领域,公开了一种多边形箍边模具,包括下模固定板和上模固定板,所述下模固定板底端的中心位置处安装有固定座,且固定座中嵌设有内圆插刀,所述内圆插刀顶部的外侧套设有内圆滑轨座,且内圆滑轨座的外侧套设有外圆滑轨座,所述内圆滑轨座的顶端安装有箍边内圆,所述外圆滑轨座的顶端安装有箍边外圆,所述上模固定板固定于上模座的底端,所述上模固定板底端的中心位置处嵌设有上模压盖,所述上模压盖外侧的上模固定板中嵌设有外圆插刀。本发明不仅通过多重限位、导向结构,确保合模效果精准无误,从而保障了产品的成型质量,而且方便脱料,生产效率大大提高。(The invention relates to the technical field of dies and discloses a polygonal edge-hooping die which comprises a lower die fixing plate and an upper die fixing plate, wherein a fixing seat is installed at the central position of the bottom end of the lower die fixing plate, an inner circle slotting tool is embedded in the fixing seat, an inner circle sliding rail seat is sleeved on the outer side of the top of the inner circle slotting tool, an outer circle sliding rail seat is sleeved on the outer side of the inner circle sliding rail seat, an inner circle hoop edge is installed at the top end of the inner circle sliding rail seat, an outer circle hoop edge is installed at the top end of the outer circle sliding rail seat, the upper die fixing plate is fixed at the bottom end of an upper die base, an upper die gland is embedded at the central position of the bottom end of the upper die fixing plate, and an outer circle slotting tool is embedded in the upper die fixing plate on the outer side of the upper die gland. The invention not only ensures the accurate die assembly effect through multiple limiting and guiding structures, thereby ensuring the molding quality of products, but also is convenient for stripping materials and greatly improves the production efficiency.)

1. A polygonal hoop edge die comprises a lower die fixing plate (12) and an upper die fixing plate (14), and is characterized in that a fixing seat (7) is installed at the central position of the bottom end of the lower die fixing plate (12), an inner circle slotting tool (8) is embedded in the fixing seat (7), the top end of the inner circle slotting tool (8) penetrates through the upper portion of the lower die fixing plate (12), an inner circle sliding rail seat (10) is sleeved on the outer side of the top portion of the inner circle slotting tool (8), an outer circle sliding rail seat (6) is sleeved on the outer side of the inner circle sliding rail seat (10), a hoop edge inner circle (2) is installed at the top end of the inner circle sliding rail seat (10), a hoop edge outer circle (1) is installed at the top end of the outer circle sliding rail seat (6), the hoop edge inner circle (2) and the hoop edge outer circle (1) are mutually embedded, the upper die fixing plate (14) is fixed at the bottom end of an upper die base (15), and an upper die (4) is embedded at the central position of the bottom end of the upper die fixing plate (14), and the lower edge of the upper die gland (4) is contacted with the outer circle (1) and the inner circle (2) in the hoop edge simultaneously, an outer circle slotting tool (5) is embedded in the upper die fixing plate (14) at the outer side of the upper die gland (4), and the inner side wall at the bottom of the outer circle slotting tool (5) is contacted with the outer side wall at the top of the outer circle sliding rail seat (6).

2. The polygonal hoop-edge die as claimed in claim 1, wherein the inner side wall of the hoop-edge outer circle (1), the outer side wall of the hoop-edge inner circle (2) and the inner side wall of the upper die pressing cover (4) are regular polygons and correspond to each other.

3. The polygonal hoop-edge die as claimed in claim 1, wherein the fixing rods (9) are inserted into the inner circle slotting cutter (8), and the top ends of the fixing rods (9) extend into the hoop-edge inner circle (2).

4. The polygonal hoop-edge mold according to claim 3, wherein the top of the fixed rod (9) is sleeved with the positioning movable cover (3), and the positioning movable cover (3) is movably arranged between the hoop-edge inner circle (2) and the upper mold pressing cover (4).

5. The polygonal hoop-edge mold according to claim 1, wherein the lower pad (11) is fixed on both sides of the bottom end of the lower mold fixing plate (12), and the lower pad (11) is made of rubber.

6. The polygonal hoop-edge mold according to claim 1, wherein guide assemblies (13) are arranged on two sides between the lower mold fixing plate (12) and the upper mold fixing plate (14), each guide assembly (13) comprises a guide pillar (1301) and a guide sleeve (1302), the bottom ends of the guide pillars (1301) are fixed to the top end of the lower mold fixing plate (12), the guide sleeves (1302) are embedded in the upper mold fixing plate (14), and the guide pillars (1301) and the guide sleeves (1302) are slidably nested and form a limiting structure.

Technical Field

The invention relates to the technical field of molds, in particular to a polygonal hoop-edge mold.

Background

The cup lid of a conventional disposable handy cup in the market is usually made of plastic materials such as PP, PS, PVC, etc., and is generally called a plastic cup lid. The plastic cup cover is formed by adopting a plastic injection technology, and the moving space required by demolding is limited, so that the requirement of tightly covering the cup opening of the paper cup cannot be met in use of the finished plastic cup cover, the finished plastic cup cover still has the defect that the finished plastic cup cover is easy to loosen and cause leakage of beverage after being combined with the cup opening of the paper cup, and the user has the worry of unsafe use.

In response to this situation, those skilled in the art have provided a polygonal hoop-edge mold.

Disclosure of Invention

The invention aims to provide a polygonal hoop edge die to solve the problem that the mouth of a paper cup is difficult to tightly cover when a finished molded cup cover product in the background technology is used.

In order to achieve the purpose, the invention provides the following technical scheme:

a polygonal hoop edge die comprises a lower die fixing plate and an upper die fixing plate, wherein a fixing seat is installed at the central position of the bottom end of the lower die fixing plate, an inner circular slotting tool is embedded in the fixing seat, the top end of the inner circular slotting tool penetrates through and extends to the upper side of the lower die fixing plate, an inner circular sliding rail seat is sleeved on the outer side of the top portion of the inner circular slotting tool, an outer circular sliding rail seat is sleeved on the outer side of the inner circular sliding rail seat, a hoop edge inner circle is installed at the top end of the inner circular sliding rail seat, a hoop edge outer circle is installed at the top end of the outer circular sliding rail seat, the hoop edge inner circle and the hoop edge outer circle are mutually embedded, the upper die fixing plate is fixed at the bottom end of an upper die base, an upper die pressing cover is embedded at the central position of the bottom end of the upper die fixing plate, the lower edge of the upper die pressing cover is simultaneously in contact with the hoop edge outer circle and the hoop edge outer circle, the upper die pressing plate outer circle is embedded with the slotting tool, and the inner side wall of the bottom of the excircle slotting tool is contacted with the outer side wall of the top of the excircle slide rail seat.

As a still further scheme of the invention: the inside wall of the outer circle of the hoop edge, the outside wall of the inner circle of the hoop edge and the inside wall of the upper die pressing cover are all in a regular polygon shape and correspond to each other, so that tight joint closing during die assembly is ensured.

As a still further scheme of the invention: the fixing rod is inserted into the inner circle slotting tool, and the top end of the fixing rod extends into the inner circle of the hoop edge and is used for driving the positioning movable cover to move up and down axially.

As a still further scheme of the invention: the top of the fixed rod is sleeved with a positioning movable cover, and the positioning movable cover is movably arranged between the inner circle of the hoop edge and the upper die pressing cover and used for accurately positioning the inner side of the product before the extrusion process.

As a still further scheme of the invention: the both sides of lower mould fixed plate bottom all are fixed with the lower bolster foot, and the lower bolster foot all adopts the rubber material for bed hedgehopping mould for the up-and-down motion of fixing base is not interfered.

As a still further scheme of the invention: the die comprises a lower die fixing plate, an upper die fixing plate and a lower die fixing plate, wherein guide assemblies are arranged on two sides between the lower die fixing plate and the upper die fixing plate and comprise guide pillars and guide sleeves, the bottom ends of the guide pillars are fixed at the top ends of the lower die fixing plate, the guide sleeves are embedded in the upper die fixing plate, the guide pillars are all slidably embedded with the guide sleeves to form a limiting structure, and the limiting structure is used for guiding when the upper die fixing plate and the lower die fixing plate are closed and avoiding the deviation of a die closing track.

The invention has the beneficial effects that:

1. when the die is closed, the outer circle slotting tool pushes the outer circle sliding rail seat to extrude the outer circle of the hoop edge towards the inner side, and meanwhile, the inner circle slotting tool pushes the inner circle sliding rail seat and the inner circle of the hoop edge to slide towards the outer side, so that the product is deformed and closed; when the mold is opened, the excircle slide rail seat and the hoop edge excircle run to the outer side to be separated from the outer side wall of the product, and the inner circle slide rail seat and the hoop edge inner circle run to the inner side to be separated from the inner side wall of the product, so that the material can be conveniently removed, and the production efficiency is greatly improved;

2. the inner side of the product is accurately positioned before extrusion through the positioning movable cover, the inner wall of the product is limited by driving the positioning movable cover to ascend through the fixed rod, the die closing track is prevented from inclining through the sliding limit between the guide pillar and the guide sleeve, and the die closing effect is ensured to be accurate, so that the forming quality of the product is effectively guaranteed.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic elevational cross-sectional view of the present invention;

FIG. 2 is a schematic partial top view of FIG. 1;

FIG. 3 is a schematic elevational cross-sectional view of the present invention;

fig. 4 is a partial top view of fig. 3.

In the figure: 1. the outer circle of the hoop edge; 2. the inner circle of the hoop edge; 3. positioning the movable cover; 4. an upper die gland; 5. inserting a cutter on the excircle; 6. an outer circular slide rail seat; 7. a fixed seat; 8. an inner circle slotting tool; 9. fixing the rod; 10. an inner circular slide rail seat; 11. a lower foot pad; 12. a lower die fixing plate; 13. a guide assembly; 1301. a guide post; 1302. a guide sleeve; 14. an upper die fixing plate; 15. an upper die holder.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and with reference to fig. 1 to 4, the embodiment of the present invention is as follows:

a polygonal hoop-edge mold, in fig. 1 and 3: the device comprises a lower die fixing plate 12 and an upper die fixing plate 14, wherein a fixing seat 7 is installed at the central position of the bottom end of the lower die fixing plate 12, an inner circle slotting tool 8 is embedded in the fixing seat 7, the top end of the inner circle slotting tool 8 penetrates and extends to the upper side of the lower die fixing plate 12, an inner circle sliding rail seat 10 is sleeved on the outer side of the top of the inner circle slotting tool 8, an outer circle sliding rail seat 6 is sleeved on the outer side of the inner circle sliding rail seat 10, a hoop edge inner circle 2 is installed at the top end of the inner circle sliding rail seat 10, a hoop edge outer circle 1 is installed at the top end of the outer circle sliding rail seat 6, the hoop edge inner circle 2 is embedded with the hoop edge outer circle 1, the upper die fixing plate 14 is fixed at the bottom end of an upper die base 15, an upper die gland 4 is embedded at the central position of the bottom end of the upper die fixing plate 14, the lower edge of the upper die gland 4 is simultaneously contacted with the hoop edge outer circle 1 and the hoop edge 2, and the upper die 4 is embedded with an outer circle slotting tool 5 in the upper die fixing plate 14 outside the upper die gland 4, and the inner side wall at the bottom of the excircle slotting tool 5 is contacted with the outer side wall at the top of the excircle slide rail seat 6.

In fig. 1, 2 and 4: the inner side wall of the hoop edge outer circle 1, the outer side wall of the hoop edge inner circle 2 and the inner side wall of the upper die gland 4 are all in regular polygons and correspond to each other, so that tight thread joint is ensured during die assembly; a fixed rod 9 is inserted into the inner circle slotting tool 8, and the top end of the fixed rod 9 extends into the hoop edge inner circle 2 to drive the positioning movable cover 3 to move up and down axially; the top of the fixed rod 9 is sleeved with a positioning movable cover 3, and the positioning movable cover 3 is movably arranged between the hoop edge inner circle 2 and the upper die gland 4 and used for accurately positioning the inner side of a product before the extrusion process

In fig. 1, 2 and 4: both sides of the bottom end of the lower die fixing plate 12 are fixed with lower pad feet 11, and the lower pad feet 11 are made of rubber materials and used for raising the die, so that the up-and-down movement of the fixing seat 7 is not interfered; both sides between lower mould fixed plate 12 and the last mould fixed plate 14 all are provided with guide assembly 13, and guide assembly 13 all includes guide pillar 1301 and guide pin bushing 1302, and the bottom of guide pillar 1301 all is fixed in the top of lower mould fixed plate 12, and guide pin bushing 1302 all inlays the inside of locating last mould fixed plate 14, and guide pillar 1301 all slips nested and constitutes limit structure with guide pin bushing 1302 for play the guide effect when the compound die from top to bottom, avoid the compound die orbit incline.

The working principle of the invention is as follows: firstly, an upper die holder 15 is erected on a machine tool, an upper die fixing plate 14 and an excircle slotting tool 5 are fixed together, then a lower die fixing plate 12 is placed right below the upper die fixing plate, and two lower foot pads 11 are used for raising, so that the vertical movement of a fixing seat 7 is prevented from being influenced;

then, a product to be processed is placed on the positioning movable cover 3, the product is ensured to be centered, then the upper die base 15 is controlled to move downwards until the upper die gland 4 contacts and fixes the product, the outer circle slotting tool 5 pushes the outer circle sliding rail base 6 to enable the hoop edge outer circle 1 to be extruded towards the inner side along with continuous pressing, meanwhile, the lower side air cylinder pushes the inner circle slotting tool 8 to ascend to push the inner circle sliding rail base 10 and the hoop edge inner circle 2 to slide towards the outer side, and the fixed rod 9 also drives the positioning movable cover 3 to ascend synchronously to play a role in limiting the inner wall of the product, so that the product is deformed and closed up;

when the die is opened, the upper die base 15 integrally rises, and the excircle slide rail base 6 and the hoop edge excircle 1 run outwards to be separated from the outer side wall of the product; meanwhile, the inner circle slotting tool 8 and the fixed rod 9 also synchronously descend, so that the inner circle sliding rail seat 10 and the hoop edge inner circle 2 run inwards to be separated from the inner side wall of a product, the material is conveniently taken off, and the production efficiency is greatly improved;

in addition, in the opening and closing process of the upper die and the lower die, the two guide pillars 1301 at the top end of the lower die fixing plate 12 and the two guide sleeves 1302 in the upper die fixing plate 14 slide and limit to guide the lifting track, so that the deflection of the die closing track is avoided, the die closing effect is accurate and correct, the forming quality of a product is effectively guaranteed, a finished product of the molding cup cover made by the die can be tightly covered with the cup opening of a paper cup when the finished product is used, and the finished product cannot be easily loosened to cause leakage of beverage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.