CN218083704U - Quick-locking structure and plastic cup forming die - Google Patents
Quick-locking structure and plastic cup forming die Download PDFInfo
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- CN218083704U CN218083704U CN202221946667.7U CN202221946667U CN218083704U CN 218083704 U CN218083704 U CN 218083704U CN 202221946667 U CN202221946667 U CN 202221946667U CN 218083704 U CN218083704 U CN 218083704U
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Abstract
The utility model relates to a fast keying constructs and plastics cup forming die, fast keying constructs including the bottom of cup mold core, connects the connecting piece of bottom of cup mold core, connects the knockout pin of connecting piece and connects the bolt of knockout pin. The cup bottom mold core is provided with an upper mounting groove. The connecting piece comprises a main body part, an upper connecting part connected with the main body part and a lower connecting part connected with the main body part. The upper connecting part is inserted into the upper mounting groove, and the outer wall of the lower connecting part is provided with a clamping groove. The ejector rod is provided with a lower mounting groove. During lower connecting portion inserted mounting groove down, the lateral wall of knock-out pole was provided with the spliced eye, spliced eye and lower mounting groove intercommunication. The end part of the bolt passes through the insertion hole and is inserted into the clamping groove. The plastic cup forming die comprises an upper die, a lower die and an ejector plate. The lower die comprises a bottom plate, a lower die base connected with the bottom plate, a cup cavity die core connected with the lower die base and the quick locking structure. The utility model discloses effectively improve the dismouting efficiency of bottom of cup mold core and knockout rod, reduce plastic cup forming die's cost of manufacture.
Description
Technical Field
The utility model relates to the technical field of mold, especially, relate to a quick-lock structure and plastics cup forming die.
Background
The mould is used for obtaining various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to shape an article, the tool being made up of various parts, and different molds being made up of different parts.
The existing plastic cup forming die generally comprises an upper die and a lower die, wherein the upper die comprises an upper die holder and an extension block connected with the upper die holder, and the lower die comprises a lower die holder, a cup cavity die core connected with the lower die holder and a cup bottom rod arranged in the cup cavity die core. And the preheated plastic suction sheet is formed by stretching through the matching of the extension block and the cup cavity mold core. The cup bottoms of different cups are different, and the depths of different cups are also different, so that a plurality of cup bottom rods with different heights and different shapes need to be prepared, and the manufacturing cost of the die is increased.
Aiming at the problem, a merchant splits the cup bottom rod into a cup bottom mold core and an ejection rod, and the cup bottom mold core and the ejection rod are fixed through a quick locking structure. The cup can be round, triangular or other irregular shapes. When the shape of cup is triangle-shaped or other dysmorphism, the corresponding bottom of cup mold core has the direction, but current quick-locking structure is designed to circular cup, can not distinguish the direction fast, and the phenomenon of misloading appears easily to take place to reduce the dismouting efficiency between bottom of cup mold core and the knockout pin.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a fast-locking structure and a plastic cup forming die aiming at the problems that the existing fast-locking structure cannot quickly distinguish directions, so that the phenomenon of misloading between the cup bottom mold core and the ejector rod is easy to occur, and the dismounting efficiency between the cup bottom mold core and the ejector rod is low.
A quick-lock construction comprising:
a cup bottom mold core; the cup bottom mold core is provided with an upper mounting groove;
the connecting piece is connected with the cup bottom mold core; the connecting piece comprises a main body part, an upper connecting part connected with the main body part and a lower connecting part connected with the main body part; the upper connecting part is inserted into the upper mounting groove, and the outer wall of the lower connecting part is provided with a clamping groove;
the ejection rod is connected with the connecting piece; the ejector rod is provided with a lower mounting groove; the lower connecting part is inserted into the lower mounting groove, and the side wall of the ejector rod is provided with a plug hole which is communicated with the lower mounting groove; and
the bolt is connected with the ejection rod; the end part of the bolt passes through the inserting hole and is inserted into the clamping groove.
Above-mentioned quick-lock structure, the lateral wall of knockout rod is provided with the spliced eye, and the tip of bolt passes the spliced eye and inserts in the draw-in groove, just so enables to distinguish the direction fast between bottom of cup mold core and the knockout rod, makes fast fastening between bottom of cup mold core and the knockout rod simultaneously to effectively improve the dismouting efficiency between bottom of cup mold core and the knockout rod.
In one embodiment, a cooling cavity is formed between the upper connecting portion and the upper mounting groove. The arrangement of the cooling cavity can shorten the cooling time of the plastic cup, thereby effectively improving the production efficiency.
In one embodiment, the liquid inlet hole and the liquid outlet hole are arranged in the axial direction of the ejector rod and the connecting piece and are communicated with the cooling cavity.
In one embodiment, the quick locking structure further comprises an upper sealing ring, an upper sealing groove is formed in the outer side of the upper connecting portion, the upper sealing ring is installed in the upper sealing groove, and the outer wall of the upper sealing ring abuts against the inner wall of the upper installation groove. Therefore, the sealing performance of the cooling cavity can be improved, and the leakage of the cooling liquid can be effectively prevented.
In one embodiment, the quick-locking structure further includes a lower sealing ring, a lower sealing groove is disposed at an outer side of the lower connecting portion, the lower sealing ring is installed in the lower sealing groove, and an outer wall of the lower sealing ring abuts against an inner wall of the lower installation groove. This can further prevent the leakage of the coolant.
In one embodiment, the quick-locking structure further comprises a positioning column, the ejection rod is provided with a lower positioning hole, the main body part is provided with a positioning through hole, the cup bottom mold core is provided with an upper positioning hole, one end of the positioning column is inserted into the lower positioning hole, and the other end of the positioning column penetrates through the positioning through hole and is inserted into the upper positioning hole. The setting of reference column can further improve the dismouting efficiency between cup bottom mold core and the knock-out pin.
In one embodiment, the number of the inserting holes is two, and the two inserting holes are correspondingly arranged on two sides of the ejection rod; the two lower positioning holes are arranged on two sides of the ejector rod; the straight line between the two inserting holes is vertical to the straight line between the two lower positioning holes. Therefore, the phenomenon of misassembly can be effectively prevented, and the disassembly and assembly efficiency between the cup bottom mold core and the ejector rod is further improved.
In one embodiment, fixing holes are formed in the circumferential direction of the cup bottom mold core, through holes are formed in the main body portion, and the connecting piece penetrates through the through holes through bolts to be matched with the fixing holes to be fixedly connected with the cup bottom mold core. The connection between the connecting piece and the cup bottom mold core is firmer.
A plastic cup forming mold comprises
An upper die; the upper die comprises an upper die base and an extension block connected with the upper die base;
the lower die is arranged corresponding to the upper die; the lower die comprises a bottom plate, a lower die base connected with the bottom plate, a cup cavity die core arranged on the lower die base and the quick locking structure; the bottom plate is fixedly connected with a sliding rod; the bottom plate is provided with a through hole, the lower die base is provided with an installation cavity, and the cup cavity die core is detachably arranged in the installation cavity; the cup cavity mold core is provided with a cup-shaped cavity matched with the extension block; the cup cavity mold core is axially provided with a positioning groove, and the cup bottom mold core and the connecting piece are arranged in the positioning groove; and
a liftout plate connected to the lower die; the ejector plate is slidably mounted on the slide rod, and the end part of the ejector rod, far away from the cup bottom mold core, penetrates through the positioning groove and the through hole to be fixedly connected with the ejector plate.
According to the plastic cup forming die, the positioning groove is axially formed in the cup cavity die core, the cup bottom die core and the connecting piece are arranged in the positioning groove, the side wall of the ejector rod is provided with the inserting hole, and the end part of the inserting pin penetrates through the inserting hole to be inserted into the clamping groove, so that the directions of the cup bottom die core and the ejector rod can be quickly distinguished, and meanwhile, the cup bottom die core and the ejector rod are quickly fixed, so that the assembly and disassembly efficiency between the cup bottom die core and the ejector rod is effectively improved; on the other hand, the cup cavity mold core is detachably connected with the lower die base, the cup bottom mold core is detachably connected with the ejector rod, and the cup bottom mold core is detachably connected with the cup cavity mold core, so that the plastic cup forming mold can reasonably assemble the corresponding cup cavity mold core, the cup bottom mold core and the ejector rod according to the specification of a cup to be formed, and the manufacturing cost of the plastic cup forming mold can be reduced.
In one embodiment, a cooling liquid circulation channel is arranged in the ejector plate, and the cooling cavity is communicated with the cooling liquid circulation channel through a liquid inlet hole and a liquid outlet hole. Can introduce the cooling liquid like this in order to cool off the bottom of cup in the cooling chamber, can shorten the plastics cup and cool down for a long time, effectively improve production efficiency.
Drawings
Fig. 1 is an exploded view of a quick lock structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the quick lock construction shown in FIG. 1;
FIG. 3 is another cross-sectional view of the quick lock construction shown in FIG. 1;
FIG. 4 is an assembly structure view of the lower mold and the ejector plate of the plastic cup forming mold according to one embodiment of the present invention;
fig. 5 is an exploded view of the lower die and the ejector plate of the plastic cup molding die shown in fig. 4.
The reference numbers in the figures have the meaning:
100-quick lock structure;
10-a cup bottom mold core, 11-a cup bottom, 12-a fixed part, 121-an upper mounting groove and 122-an upper positioning hole;
20-connecting piece, 21-main body part, 211-through hole, 212-positioning through hole, 22-upper connecting part, 221-upper sealing groove, 23-lower connecting part, 231-clamping groove and 232-lower sealing groove;
30-an ejector rod, 31-an inserting hole, 32-a lower positioning hole and 33-a lower mounting groove;
40-a cooling chamber;
50-liquid inlet hole;
60-liquid outlet holes;
200-lower die;
201-bottom plate, 2011-socket, 2012-caulking;
202-lower die holder, 2021-installation cavity;
203-cup cavity mold core, 2031-cup cavity;
204-a plunger;
205-a slide bar, 2051-a limit block;
300-knock out plate.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
Please refer to fig. 1 to 5, which illustrate a quick-locking structure 100 according to an embodiment of the present invention.
As shown in fig. 1, the quick-lock structure 100 includes a cup bottom mold core 10, a connector 20 connected to the cup bottom mold core 10, an ejector rod 30 connected to the cup bottom mold core 10, and a plug pin connected to the ejector rod 30. The quick-locking structure 100 can improve the efficiency of assembling and disassembling the cup bottom mold core 10 and the ejector rod 30.
As shown in fig. 1 to 3, the cup bottom mold core 10 includes a cup bottom 11 and a fixing portion 12 connected to the cup bottom 11. The fixing part 12 is provided at the lower end of the cup bottom 11. The fixing portion 12 is axially opened with an upper mounting groove 121. The fixing portion 12 is provided with a fixing hole in the circumferential direction.
As shown in fig. 1 to 3, the connector 20 includes a main body 21, an upper connecting portion 22 connecting the main body 21, and a lower connecting portion 23 connecting the main body 21. The upper connection part 22 is inserted into the upper mounting groove 121. The main body part 21 is provided with a through hole 211, and the connecting piece 20 passes through the through hole 211 through a bolt to be matched with the fixing hole to be fixedly connected with the cup bottom mold core 10. This makes the connection between the connecting member 20 and the cup bottom core 10 more secure.
As shown in fig. 1 to 3, the upper end of the ejector rod 30 is provided with a lower mounting groove 33, and the lower connection part 23 is inserted into the lower mounting groove 33. The outer wall of the lower connecting part 23 is provided with a clamping groove 231, the side wall of the ejection rod 30 is provided with an insertion hole 31, the insertion hole 31 is arranged from outside to inside in a downward inclined mode, the insertion hole 31 is communicated with the lower mounting groove 33, and the lower end of the plug pin penetrates through the insertion hole 31 and is inserted into the clamping groove 231. The number of the insertion holes 31 is two, and the two insertion holes 31 are oppositely arranged on the left side and the right side of the ejector rod 30. The pins, the insertion holes 31 and the slots 231 are in one-to-one correspondence.
As shown in fig. 1 to 3, a cooling cavity 40 is formed between the upper connecting portion 22 and the upper mounting groove 121, a liquid inlet hole 50 and a liquid outlet hole 60 are axially formed in the ejector rod 30 and the connecting member 20, and both the liquid inlet hole 50 and the liquid outlet hole 60 are communicated with the cooling cavity 40. Therefore, the cooling time of the plastic cup can be effectively shortened, and the production efficiency is effectively improved.
Referring to fig. 1 to 3, in order to improve the sealing performance of the cooling cavity 40 and prevent the leakage of the cooling liquid, the quick-locking structure 100 further includes an upper sealing ring, an upper sealing groove 221 is disposed at the outer side of the upper connecting portion 22, the upper sealing ring is installed in the upper sealing groove 221, and the outer wall of the upper sealing ring abuts against the inner wall of the upper installation groove 121.
Referring to fig. 1 to 3, in order to further prevent the coolant from leaking, the quick-locking structure 100 further includes a lower sealing ring, a lower sealing groove 232 is disposed on an outer side of the lower connecting portion 23, the lower sealing ring is installed in the lower sealing groove 232, and an outer wall of the lower sealing ring abuts against an inner wall of the lower installation groove 33.
As shown in fig. 1 to fig. 3, in order to further improve the assembling and disassembling efficiency between the cup bottom mold core 10 and the ejection rod 30, the quick-locking structure 100 further includes a positioning column, the ejection rod 30 is provided with a lower positioning hole 32, the main body portion 21 is provided with a positioning through hole 212, the fixing portion 12 is provided with an upper positioning hole 122, a lower end of the positioning column is inserted into the lower positioning hole 32, and an upper end of the positioning column passes through the positioning through hole 212 and is inserted into the upper positioning hole 122.
Referring to fig. 1 to 3, the cup bottom mold core 10 and the ejector rod 30 are not connected to each other in a staggered manner. The two lower positioning holes 32 are provided, and the two lower positioning holes 32 are correspondingly provided at both sides of the knock-out lever 30 in front and rear directions. The straight line between the two insertion holes 31 is perpendicular to the straight line between the two lower positioning holes 32.
The working principle of the quick locking structure 100 in this embodiment is as follows: during operation, the upper sealing ring is embedded in the upper sealing groove 221, the upper connecting portion 22 is inserted into the upper mounting groove 121, and the bolt is inserted through the through hole 211 to be matched with the fixing hole, so that the cup bottom mold core 10 is fixedly connected with the connecting member 20. The lower seal ring is embedded in the lower seal groove 232. The lower end of the positioning rod is inserted into the lower positioning hole 32. The lower connecting portion 23 is aligned with the lower mounting groove 33, and the upper end of the positioning rod is inserted into the upper positioning hole 122 through the positioning through hole 212. At this time, the lower connection part 23 is inserted into the lower mounting groove 33. And finally, inserting the lower end of the plug pin into the clamping groove 231 through the inserting hole 31, and fixedly connecting the cup bottom mold core 10 with the ejector rod 30.
Because the lateral wall of the knockout rod 30 is provided with the inserting hole 31, the end of the plug pin passes through the inserting hole 31 and is inserted into the clamping groove 231, so that the directions of the cup bottom mold core 10 and the knockout rod 30 can be rapidly distinguished, and meanwhile, the cup bottom mold core 10 and the knockout rod 30 can be rapidly fixed, thereby effectively improving the dismounting efficiency between the cup bottom mold core 10 and the knockout rod 30.
As shown in fig. 4, the plastic cup molding die includes an upper die (not shown), a lower die 200 disposed to correspond to the upper die in the vertical direction, and an ejector plate 300 connected to the lower die 200. The plastic cup forming mold presses the heated plastic sheet out of the plastic cup by the cooperation of the upper mold and the lower mold 200.
The upper mold (not shown) includes an upper mold base and an extension block connecting the upper mold base.
Referring to fig. 4 and 5, the lower mold 200 includes a bottom plate 201, a lower mold base 202 connected to the bottom plate 201, a cup cavity mold core 203 connected to the lower mold base 202, and the quick-lock structure 100 as described above. The lower die base 202 is arranged at the upper end of the bottom plate 201. The lower die holder 202 is provided with a mounting cavity 2021, and the cup cavity die core 203 is embedded in the mounting cavity 2021. The lower extreme of cup chamber mold core 203 is provided with the grafting piece, and bottom plate 201 is provided with slot 2011, and the grafting piece inserts in slot 2011.
As shown in fig. 4 and 5, the lower mold 200 further includes a plug 204, a side wall of the plug is provided with a side groove, the bottom plate 201 is provided with a groove 2012, the plug 204 is inserted into the groove 2012, and the plug 204 is inserted into the side groove. Therefore, the cup cavity die core 203 and the lower die holder 202 can be detachably connected through the matching of the inserted rod 204, the caulking groove 2012 and the side groove, and the corresponding cup cavity die core 203 can be conveniently replaced according to different products.
Referring to fig. 4 and 5, a positioning groove is axially formed in the cup cavity mold core 203, the positioning groove penetrates through the cup cavity mold core 203, and the cup bottom mold core 10 and the connecting piece 20 are disposed in the positioning groove. The upper end of the cup cavity mold core 203 is provided with a cup cavity 2031 matched with the extension block.
As shown in fig. 4 and 5, the knock-out plate 300 is provided at the lower end of the bottom plate 201. The bottom plate 201 is fixedly connected with a slide bar 205, and a limit block 2051 is fixedly arranged at the lower end of the slide bar 205. The ejector plate 300 is provided with a sliding hole, a bearing is fixedly clamped in the sliding hole, and the bearing is sleeved outside the sliding rod 205, so that the ejector plate 300 is slidably mounted on the sliding rod 205.
As shown in fig. 4 and 5, the bottom plate 201 is provided with a through hole, the through hole is communicated with the positioning groove, and the lower end of the ejector rod 30 passes through the positioning groove and the through hole to be fixedly connected with the ejector plate 300.
Referring to fig. 4 and 5, a cooling fluid circulation channel is disposed in the ejection plate 300, a fluid inlet and a fluid outlet are disposed on the ejection plate 300, and an external cooling fluid storage tank is communicated with the cooling fluid circulation channel through the fluid inlet and the fluid outlet. The cooling chamber 40 is in communication with the coolant circulation channel via inlet and outlet openings 50 and 60. Therefore, the cooling liquid can be introduced into the cooling cavity 40 to cool the cup bottom, the cooling time of the plastic cup can be shortened, and the production efficiency is effectively improved.
The working principle of the plastic cup forming die in the embodiment is as follows: when the plastic cup demolding device works, a heated plastic sheet is placed between an upper die and a lower die 200, the upper die moves downwards to be matched with the lower die 200, a stretching block on the upper die supports a plastic sheet into a cup-shaped cavity 2031, then the plastic sheet is attached to the inner wall of the cup-shaped cavity 2031 in a blow molding mode, the plastic sheet enters a cooling cavity 40 through a cooling circulation channel and a liquid inlet hole 50 through cooling liquid to cool and mold the plastic cup, then the upper die and the lower die 200 are separated to be opened, an ejection plate 300 moves upwards, an ejection rod 30 drives a cup bottom die core 10 to move upwards, the molded plastic cup is ejected out of the lower die 200, and demolding of the plastic cup and the lower die 200 is realized.
Above-mentioned plastic cup forming die, cup chamber mold core 203 axial is provided with the constant head tank, bottom of cup mold core 10 and connecting piece 20 locate in the constant head tank, and the lateral wall of ejector rod 30 is provided with spliced eye 31, the tip of bolt passes spliced eye 31 and inserts in draw-in groove 231, just so enable to distinguish the direction fast between bottom of cup mold core 10 and the ejector rod 30, make simultaneously between bottom of cup mold core 10 and the ejector rod 30 quick fixed, thereby effectively improve the dismouting efficiency between bottom of cup mold core and the ejector rod.
On the other hand, the cup cavity mold core 203 is detachably connected with the lower mold base 202, the cup bottom mold core 10 is detachably connected with the ejector rod 30, and the cup bottom mold core 10 is detachably connected with the cup cavity mold core 203, so that the plastic cup forming mold can reasonably assemble the corresponding cup cavity mold core 203, the cup bottom mold core 10 and the ejector rod 30 according to the specification of a cup to be formed, and the manufacturing cost of the plastic cup forming mold can be reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A quick-lock construction, comprising:
a cup bottom mold core; the cup bottom mold core is provided with an upper mounting groove;
the connecting piece is connected with the cup bottom mold core; the connecting piece comprises a main body part, an upper connecting part connected with the main body part and a lower connecting part connected with the main body part; the upper connecting part is inserted into the upper mounting groove, and the outer wall of the lower connecting part is provided with a clamping groove;
the ejection rod is connected with the connecting piece; the ejector rod is provided with a lower mounting groove; the lower connecting part is inserted into the lower mounting groove, and the side wall of the ejection rod is provided with an inserting hole which is communicated with the lower mounting groove; and
the bolt is connected with the ejection rod; the end part of the bolt penetrates through the inserting hole to be inserted into the clamping groove.
2. The quick-lock structure according to claim 1, wherein a cooling cavity is formed between the upper connecting portion and the upper mounting groove.
3. The quick-locking structure according to claim 2, wherein the ejector rod and the connecting member are axially provided with a liquid inlet hole and a liquid outlet hole, and the liquid inlet hole and the liquid outlet hole are both communicated with the cooling cavity.
4. The quick locking structure according to claim 3, further comprising an upper sealing ring, wherein an upper sealing groove is formed in the outer side of the upper connecting portion, the upper sealing ring is installed in the upper sealing groove, and the outer wall of the upper sealing ring abuts against the inner wall of the upper installation groove.
5. The quick locking structure according to claim 4, further comprising a lower sealing ring, wherein a lower sealing groove is formed in the outer side of the lower connecting portion, the lower sealing ring is installed in the lower sealing groove, and the outer wall of the lower sealing ring abuts against the inner wall of the lower installation groove.
6. The quick-locking structure as claimed in claim 1, further comprising a positioning post, wherein the ejection rod is provided with a lower positioning hole, the main body part is provided with a positioning through hole, the cup bottom mold core is provided with an upper positioning hole, one end of the positioning post is inserted into the lower positioning hole, and the other end of the positioning post is inserted into the upper positioning hole through the positioning through hole.
7. The quick-locking structure according to claim 6, wherein the number of the insertion holes is two, and the two insertion holes are correspondingly arranged on two sides of the ejector rod; the two lower positioning holes are arranged on two sides of the ejector rod; the straight line between the two inserting holes is vertical to the straight line between the two lower positioning holes.
8. The quick-locking structure as claimed in claim 1, wherein the cup bottom mold core is circumferentially provided with a fixing hole, the main body portion is provided with a through hole, and the connecting member is fixedly connected with the cup bottom mold core by passing a bolt through the through hole to match with the fixing hole.
9. A plastic cup forming die is characterized by comprising
An upper die; the upper die comprises an upper die base and an extension block connected with the upper die base;
the lower die is arranged corresponding to the upper die; the lower die comprises a bottom plate, a lower die base connected with the bottom plate, a cup cavity die core arranged on the lower die base, and the quick locking structure as claimed in any one of claims 1 to 8; the bottom plate is fixedly connected with a sliding rod; the bottom plate is provided with a through hole, the lower die base is provided with an installation cavity, and the cup cavity die core is detachably arranged in the installation cavity; the cup cavity mold core is provided with a cup-shaped cavity matched with the extension block; the cup cavity mold core is axially provided with a positioning groove, and the cup bottom mold core and the connecting piece are arranged in the positioning groove; and
the ejection plate is connected with the lower die; the ejector plate is slidably mounted on the slide rod, and the end part of the ejector rod, which is far away from the cup bottom mold core, penetrates through the positioning groove and the through hole and is fixedly connected with the ejector plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221946667.7U CN218083704U (en) | 2022-07-27 | 2022-07-27 | Quick-locking structure and plastic cup forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221946667.7U CN218083704U (en) | 2022-07-27 | 2022-07-27 | Quick-locking structure and plastic cup forming die |
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| Publication Number | Publication Date |
|---|---|
| CN218083704U true CN218083704U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221946667.7U Active CN218083704U (en) | 2022-07-27 | 2022-07-27 | Quick-locking structure and plastic cup forming die |
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| CN (1) | CN218083704U (en) |
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- 2022-07-27 CN CN202221946667.7U patent/CN218083704U/en active Active
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