CN218615191U - Die for saliva cup - Google Patents

Abstract

The utility model relates to the technical field of mold, a mould for saliva cup, including last mould and lower mould, go up the first connecting plate that the mould includes separable connection, second connecting plate, third connecting plate and fourth connecting plate, the lower mould includes base, backup pad spring and thimble, second connecting plate and third connecting plate inboard are equipped with cope match-plate pattern and lower die match-plate pattern, are equipped with at least two sets of stop gear between cope match-plate pattern and the lower die match-plate pattern, and this stop gear has a plurality of evenly distributed's unsmooth joint structure on the butt plane. The utility model discloses help solving current structure because of the lower die cavity board cooperation precision is not high, lead to become die cavity small in quantity, mould unit cost is high, can't satisfy the problem of market demand.

Description

Die for saliva cup

Technical Field

The utility model relates to the technical field of molds, in particular to a mold for saliva cup.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the heated and melted plastic is injected into a mold cavity from an injection molding machine at high pressure, and a molded product is obtained after cooling and solidification.

In disease diagnosis, it is often necessary to collect saliva samples for detection. The prior saliva cup is mainly formed by injection molding by a mould. At present, saliva cup moulds in the market only have a single group of concave-convex structures due to the clamping structure between the upper cavity plate and the lower cavity plate, so that the upper cavity and the lower cavity are combined to form a common close fit precision, the size precision of the forming cavity between the mould core and the cavity is unstable, in order to reduce the risk of defective products, only a small number of forming cavities (such as 4, namely 1 mold is designed to be 4) can be arranged in a single mould, and the unit cost of the mould is high, so that the market requirements can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mould for saliva cup helps solving current structure because of the lower die cavity board cooperation precision is not high, leads to become die cavity small in quantity, and mould unit is with high costs, can't satisfy the problem of market demand.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a mould for saliva cup, including last mould and lower mould, it includes the first connecting plate of separable connection to go up the mould, the second connecting plate, third connecting plate and fourth connecting plate, the lower mould includes the base, backup pad spring and thimble, second connecting plate and third connecting plate inboard are equipped with die cavity board and lower die cavity board, it is equipped with at least two sets of stop gear to go up between die cavity board and the lower die cavity board, this stop gear has a plurality of concave-convex joint structure of evenly distributed on the butt plane, the second connecting plate, go up the die cavity board, the third connecting plate, the cavity that a plurality of groups intercommunication is equipped with to die cavity board and fourth connecting plate inside, be equipped with the mold core in the cavity, the clearance between mold core and the cavity constitutes a plurality of die cavity, the die cavity is through being located the second connecting plate, the pore on the third connecting plate with be located the mouth of moulding plastics intercommunication, the molten plastics gets into and fills the die cavity through mouth of moulding plastics and pore, the shaping after the pressurize cooling.

Furthermore, the upper cavity plate and the lower cavity plate are respectively provided with a first diversion trench and a second diversion trench at one adjacent side of the upper cavity plate and the lower cavity plate, the first diversion trench and the second diversion trench jointly form a diversion track, the diversion track is provided with a plurality of outlets, and each outlet is respectively communicated with each cavity.

Furthermore, a first groove and a second groove are arranged on the bottom surface of the upper cavity plate, the first groove is positioned at the edge of the upper cavity plate, and the second groove is positioned on one side of the cavity; the top surface of the lower cavity plate is provided with a first flange and a second flange which are respectively matched with the profiles of the first groove and the second groove, and after the upper cavity plate is abutted to the lower cavity plate, the first flange and the second flange are respectively embedded into the first groove and the second groove to form a limiting structure.

Furthermore, a first sinking groove is formed in the bottom of the second connecting plate, and the upper cavity plate is detachably inserted into the first sinking groove; the top of the third connecting plate is provided with a second sinking groove, the lower cavity plate is detachably inserted into the second sinking groove, and the total height of the upper cavity plate after being abutted against the lower cavity plate is not less than the total depth of the first sinking groove and the second sinking groove.

Compared with the prior art, the utility model discloses at least, including following advantage:

1. the utility model discloses a set up multiunit stop gear in last die cavity board and the adjacent one side of lower die cavity board for amalgamation between the two is inseparabler, and this makes the mold core after the installation, and the position of mold core in the cavity is more accurate stable, and then can set up more quantity's die cavity simultaneously on same mould, promotes injection moulding efficiency.

2. The utility model discloses to go up the die cavity board and insert the first heavy inslot of establishing on the second connecting plate, insert the second heavy inslot of establishing on the third connecting plate with lower die cavity board, second connecting plate and third connecting plate are as limit structure respectively to the concatenation between last die cavity board and the lower die cavity board provide the basis spacing, also help mould overall structure compacter, shorten the feeding route of moulding plastics, avoid half way cooling, fill defects such as not in place.

Drawings

FIG. 1 is a schematic view of a mold according to an embodiment;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic structural view of a first connecting plate, a second connecting plate, and an upper cavity plate;

FIG. 4 is a schematic structural view of a lower cavity plate;

FIG. 5 is a schematic structural view of the lower cavity plate, the third connecting plate, the fourth connecting plate, the base and the supporting plate.

The drawing is marked with: 1. an upper die; 11. a first connecting plate; 111. an injection molding port; 112. a card slot; 12. a second connecting plate; 121. a first channel; 122. a first through hole; 123. a first sink tank; 13. a third connecting plate; 131. a second sink tank; 132. a first lower cavity; 14. a fourth connecting plate; 141. a second lower cavity; 15. an upper cavity plate; 151. a second channel; 152. a first diversion trench; 153. a second perforation; 154. a first groove; 155. a second groove; 156. an upper cavity; 16. a lower cavity plate; 161. a second guiding gutter; 162. a third perforation; 163. a first flange; 164. a second flange; 2. a lower die; 21. a base; 22. a support plate; 23. a spring; 3. a mold core; 31. a first core; 32. a second core; 4. and (4) a thimble.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and fig. 2, the present embodiment discloses a mold for saliva cup, which includes an upper mold 1 and a lower mold 2, the upper mold 1 includes a first connecting plate 11, a second connecting plate 12, a third connecting plate 13, and a fourth connecting plate 14 that are detachably connected, the lower mold 2 includes a base 21, a supporting plate 22, a spring 23, and an ejector pin 4, and the lower mold 2 is mainly used for assisting a mold-releasing action, and the operation principle and the specific structure thereof are related to the prior art and will not be described herein again.

The first connecting plate 11, the second connecting plate 12, the third connecting plate 13 and the fourth connecting plate 14 are sequentially connected and combined from top to bottom by means of screws.

The central position of the first connecting plate 11 is provided with an injection molding opening 111, and the top of the injection molding opening 111 is of a taper hole structure and longitudinally penetrates through the first connecting plate 11.

With reference to fig. 2 and 3, the bottom surface of the second connecting plate 12 is provided with a first sinking groove 123 with a rectangular outline, the center of the first sinking groove 123 is provided with a first channel 121, the first channel 121 longitudinally penetrates through the second connecting plate 12, and after splicing, the top of the first channel 121 is aligned and communicated with the bottom of the injection molding opening 111.

An upper cavity plate 15 is inserted into the first sinking groove 123, and after the first sinking groove 123 is inserted, the outer side contour of the upper cavity plate 15 is tightly attached in the first sinking groove 123 to form a basic limit for the upper cavity plate 15. Go up die cavity board 15 middle part position and be equipped with second passageway 151, second passageway 151 vertically runs through last die cavity board 15, and after the concatenation, the intercommunication is aligned with first passageway 121 bottom in second passageway 151 top, it is equipped with the first guiding gutter 152 of horizontal and vertical route to go up die cavity board 15 bottom surface, first guiding gutter 152 and second passageway 151 bottom intercommunication, it still evenly is provided with 16 last die cavities 156 to go up die cavity board 15 bottom surface, first guiding gutter 152 has 16 end as the export, this export communicates with 16 last die cavities 156 respectively. The hot melt plastic is injected into the mold from the injection port 111 under high pressure, passes through the first channel 121 and the second channel 151, enters the first guide groove 152, and enters the upper cavity 156.

With reference to fig. 4 and 5, the top surface of the third connecting plate 13 is provided with a second sinking groove 131 with a rectangular contour, the lower cavity plate 16 is inserted into the second sinking groove 131, and after the second sinking groove 131 is inserted, the contour of the outer side of the lower cavity plate 16 is tightly attached to the second sinking groove 131 to form a basic limit for the lower cavity plate 16. The top surface of the lower cavity plate 16 is provided with a second guide groove 161 corresponding to the first guide groove 152, the second guide groove 161 is used for increasing the inner space of the first guide groove 152, after splicing, the first guide groove 152 and the second guide groove 161 together form a guide rail, so that hot melt plastic flows therein, and the conduction rate is improved.

The second connecting plate 12 is provided with 16 first through holes 122, the first through holes 122 longitudinally penetrate through the second connecting plate 12, the first through holes 122 are in one-to-one correspondence with the positions of the upper cavities 156, and the first through holes 122 allow the top of the mold core 3 to be assembled in a penetrating manner.

Further, a second through hole 153 is formed in the center of each upper cavity 156, the second through holes 153 are longitudinal through holes, and in the assembled state, the second through holes 153 are aligned with the first through holes 122 one by one. The lower cavity plate 16 is provided with 16 third through holes 162 having a longitudinal through hole structure, and in an assembled state, the third through holes 162 and the second through holes 153 are aligned one by one. The third connecting plate 13 is located in the second sinking groove 131, and the first lower cavities 132 with 16 longitudinal through hole structures are arranged in the second sinking groove 131, and in an assembled state, the first lower cavities 132 are aligned with the third through holes 162 one by one. The fourth connecting plate 14 is provided with 16 second lower cavities 141 with longitudinal sinking groove structures, and in an assembled state, the second lower cavities 141 are aligned with the first lower cavities 132 one by one. That is, in the assembled state, the first through hole 122, the second through hole 153, the third through hole 162, the upper cavity 156, the first lower cavity 132, and the second lower cavity 141 located on the same longitudinal axis constitute one molding cavity, and in this embodiment, 16 molding cavities are provided.

Clearance fit has mold core 3 in the shaping intracavity, mold core 3 includes interconnect's first core 31 and second core 32, first core 31 top has the cap body, the equipment back, this cap body is located between first connecting plate 11 and the second connecting plate 12, be equipped with the draw-in groove 112 that is used for holding this cap body of joint on the first connecting plate 11 bottom surface, the locking of first connecting plate 11 and second connecting plate 12 makes mold core 3 keep the unmovable assembled state, and first perforation 122, second perforation 153 and third perforation 162 butt are on the surface of first core 31, carry out multiple spacing fixedly on vertical, and then guarantee mold core 3's mounted position stability.

Further, two sets of limiting mechanisms are arranged between the upper cavity plate 15 and the lower cavity plate 16, and each limiting mechanism is provided with a plurality of concave-convex clamping structures which are uniformly distributed on the abutting plane. This makes the butt face area increase between last die cavity board 15 and the lower die cavity board 16, and the connection between the two is inseparabler stable, and this makes the mold core after the installation, and the position of mold core in the cavity is more accurate stable, and then can set up more quantity of die cavities simultaneously on same mould, promotes injection moulding efficiency.

Specifically, a first groove 154 and a second groove 155 are arranged on the bottom surface of the upper cavity plate 15, the first groove 154 is located at the edge of the upper cavity plate 15, and the second groove 155 is located on one side of the second through hole 153; the top surface of the lower cavity plate 16 is provided with a first flange 163 and a second flange 164 which are matched with the profiles of the first groove 154 and the second groove 155 respectively, and after the upper cavity plate 15 and the lower cavity plate 16 are abutted, the first flange 163 and the second flange 164 are embedded into the first groove 154 and the second groove 155 respectively to form a limiting structure.

It should be noted that the total height of the upper cavity plate 15 and the lower cavity plate 16 after abutting is not less than the total depth of the first sinking groove 123 and the second sinking groove 131, so as to ensure that the upper cavity plate 15 and the lower cavity plate 16 can abut closely after assembling.

In the specific implementation process, hot-melt plastic is injected into the mold through the injection port 111 under high pressure, enters the molding cavity along the first channel 121, the second channel 151 and the guide rail, is molded after pressure maintaining and cooling, and is opened to take out the material, so that a finished saliva cup product is obtained.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (4)

1. The utility model provides a mould for saliva cup, including last mould and lower mould, it includes the first connecting plate of separable connection to go up the mould, the second connecting plate, third connecting plate and fourth connecting plate, the lower mould includes the base, backup pad spring and thimble, a serial communication port, second connecting plate and third connecting plate inboard are equipped with cope match-plate pattern board and lower die cavity board, be equipped with two sets of stop gear at least between cope match-plate pattern board and the lower die cavity board, this stop gear has the unsmooth joint structure of a plurality of evenly distributed on the butt plane, the second connecting plate, the cope match-plate pattern board, the third connecting plate, cavity that lower die cavity board and fourth connecting plate are inside to be equipped with a plurality of groups intercommunication, be equipped with the mold core in the cavity, the clearance between mold core and the cavity constitutes a plurality of die cavity, the die cavity is through being located the second connecting plate, pore on the third connecting plate with be located the mouth of moulding plastics intercommunication, molten plastics get into and fill the die cavity through mouth and pore, the shaping after the pressurize cooling.

2. A mould for spittle cups according to claim 1, wherein the upper and lower cavity plates are provided with first and second guide grooves on adjacent sides thereof, respectively, the first and second guide grooves together forming a guide rail, the guide rail being provided with a plurality of outlets, each outlet being in communication with a respective cavity.

3. A die for saliva cups as claimed in claim 1, wherein the bottom of the upper cavity plate is provided with a first groove and a second groove, the first groove is at the edge of the upper cavity plate, the second groove is at one side of the cavity; the top surface of the lower cavity plate is provided with a first flange and a second flange which are respectively matched with the profiles of the first groove and the second groove, and after the upper cavity plate is abutted against the lower cavity plate, the first flange and the second flange are respectively embedded into the first groove and the second groove to form a limiting structure.

4. A mould for spittle cups according to claim 1, wherein the bottom of the second connecting plate is provided with a first sunken groove, and the upper cavity plate is detachably inserted in the first sunken groove; the top of the third connecting plate is provided with a second sinking groove, the lower cavity plate is detachably inserted in the second sinking groove, and the total height of the upper cavity plate after being abutted against the lower cavity plate is not less than the total depth of the first sinking groove and the second sinking groove.

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