CN215095350U - Injection mold with replaceable mold core - Google Patents
Injection mold with replaceable mold core Download PDFInfo
- Publication number
- CN215095350U CN215095350U CN202023092148.2U CN202023092148U CN215095350U CN 215095350 U CN215095350 U CN 215095350U CN 202023092148 U CN202023092148 U CN 202023092148U CN 215095350 U CN215095350 U CN 215095350U
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- Prior art keywords
- mold core
- core
- mold
- cope match
- plate pattern
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- 238000002347 injection Methods 0.000 title claims abstract description 16
- 239000007924 injection Substances 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model provides an injection mold of removable mold core, including the cope match-plate pattern, the upper die base, the terrace die, the lower bolster, the mounting panel, the mold core, liftout structure, the cope match-plate pattern passes through guide pillar and lower bolster swing joint and forms the interval space, the lower bolster passes through the bracing piece and is connected with the mounting panel and form the interval space, the lower surface at the cope match-plate pattern is installed to the cope match-plate pattern, the lower surface at the cope match-plate pattern is installed to the terrace die, terrace die and upper die base, the runner that corresponds with the mold core is all seted up to the cope match-plate pattern, the recess of accomodating the mold core is seted up to the lower bolster, the mold core corresponds the gomphosis in the recess, a plurality of pressure pins are installed to the bottom of mold core, it accomodates the groove to have seted up a plurality of confession pressure pin male spring in the recess, each spring is accomodate the inslot and all is provided with the spring, the relative both sides of the position that the lower bolster corresponds with the mold core are provided with limit structure. The utility model has the advantages that: on the one hand, the mold core is ensured not to be displaced, and on the other hand, the mold core is convenient to replace.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to an injection mold of removable mold core.
Background
Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like. In the prior art, an injection mold applied to injection molding can be set to be a structure with a replaceable mold core in order to improve the applicability, and how the structure with the replaceable mold core ensures the injection molding precision is a technical problem which must be solved by technicians in the industry.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing an injection mold of removable mold core sets up the limit structure who corresponds with the mold core, ensures on the one hand that the mold core can not take place the displacement, and on the other hand conveniently changes the mold core.
The utility model provides an injection mold with a replaceable mold core, which comprises an upper template, an upper mold base, a male mold, a lower template, a mounting plate, a mold core and a material ejecting structure, the upper template is movably connected with the lower template through a guide post and forms an interval space, the lower template is connected with the mounting plate through a support rod and forms an interval space, the upper die holder is arranged on the lower surface of the upper die plate, the male die is arranged on the lower surface of the upper die holder, the male die, the upper die holder and the upper template are provided with gates corresponding to the die core, the lower template is provided with a groove for accommodating the die core, the mold core is correspondingly embedded in the groove, a plurality of pressing pins are installed at the bottom of the mold core, a plurality of spring accommodating grooves for the pressing pins to insert are formed in the groove, springs are arranged in the spring accommodating grooves, and limiting structures are arranged on two opposite sides of the position, corresponding to the mold core, of the lower template; the limiting structure comprises a limiting sliding block, a driving gear, a driven gear and a driving motor, wherein the driving motor is correspondingly embedded and installed in the lower template, the limiting sliding block is correspondingly and movably embedded and arranged on the lower template, convex teeth matched with the driving gear and the driven gear are arranged on two opposite sides of the limiting sliding block along the length direction of the limiting sliding block, and the driving gear and the driven gear are respectively correspondingly and rotatably installed on two opposite sides of the limiting sliding block and are in movable contact with the limiting sliding block; the power output end of the driving motor is connected with the driving gear, and when the limiting slide block is moved to be in contact with the upper surface of the mold core, the spring is in a maximum compressed state.
As a preferred scheme, a plurality of guide convex rings are convexly arranged on two opposite sides of the mold core, and convex ring abdicating grooves matched with the guide convex rings are arranged on the inner side wall of the groove; and a plurality of positioning convex columns are arranged at the positions, corresponding to the guide convex rings, of the lower surface of the upper die base, and when the male die and the die core are closed, the positioning convex columns are correspondingly inserted into the guide convex rings for limiting.
According to the preferable scheme, the ejection structure comprises a push rod, a top plate fixing plate and an ejector rod, the push rod penetrates through the mounting plate and is connected with the top plate, the top plate fixing plate is mounted on the upper surface of the top plate, one end of the ejector rod is fixedly connected with the top plate, and when the ejector rod is in the maximum jacking state, the other end of the ejector rod sequentially penetrates through the top plate fixing plate, the lower die plate and the die core and extends out of the upper surface of the inner cavity of the die core.
Preferably, a plurality of guide posts penetrating through the top plate are fixedly arranged between the mounting plate and the lower template.
Preferably, a guide sliding groove corresponding to the limiting sliding block is formed in the position, corresponding to the limiting sliding block, of the lower template.
The utility model has the advantages that: the mold core is correspondingly embedded in the groove, and the mold core is tightly pressed by the limiting structure so as to be fixed in the groove, so that the mold core is ensured not to displace; when needing to be changed, start driving motor, drive limit slide to promote limit slide to the top of keeping away from the mold core under driven gear's cooperation through the driving gear, the spring resets, can change convenient and fast with mold core jack-up.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a partially exploded view of the present invention.
Fig. 4 is an exploded view of the present invention.
The reference signs are: the die comprises an upper die plate 10, a male die 11, a positioning convex column 12, a guide column 13, a driven gear 14, a limiting slide block 15, convex teeth 16, a die core inner cavity 17, a die core 18, a guide convex ring 20, a pressing pin 21, a guide sliding groove 23, a groove 24, a convex ring abdicating groove 25, a lower die plate 26, a push rod 33, a top plate 32, a top plate fixing plate 29, a push rod 27, a guide column 30, a support rod 31, an installation plate 34, a driving gear 35, a driving motor 36, a spring 37, a spring accommodating groove 38 and an upper die base 39.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1-4, an injection mold with replaceable cores comprises an upper mold plate 10, an upper mold base 39, a male mold 11, and a lower mold plate 26, mounting panel 34, mold core 18, liftout structure, cope match-plate pattern 10 is through guide pillar 13 and lower bolster 26 swing joint and form the interval space, lower bolster 26 is connected and form the interval space through bracing piece 31 and mounting panel 34, upper die base 39 is installed at the lower surface of cope match-plate pattern 10, terrace die 11 is installed at the lower surface of cope match-plate pattern 39, terrace die 11 and cope match-plate pattern 39, the runner that corresponds with mold core 18 has all been seted up to cope match-plate pattern 10, lower bolster 26 has seted up the recess 24 of accomodating mold core 18, mold core 18 corresponds the gomphosis in recess 24, a plurality of pressure pins 21 are installed to the bottom of mold core 18, it accomodates groove 38 to have seted up a plurality of springs that supply pressure pin 21 to insert in the recess 24, each spring accomodates the inslot 38 and all is provided with spring 37, the relative both sides in the position that lower bolster 26 corresponds with mold core 18 are provided with limit structure. The liftout structure includes push rod 33, roof 32, roof fixed plate 29, ejector pin 27, and push rod 33 runs through mounting panel 34 and is connected with roof 32, and roof fixed plate 29 installs the upper surface at roof 32, and one end and roof 32 fixed connection of ejector pin 27, when ejector pin 27 was in the biggest jack-up state, the other end of ejector pin 27 ran through roof fixed plate 29, lower bolster 26 and mold core 18 in proper order and extended the upper surface of mold core inner chamber 17.
The limiting structure comprises a limiting slide block 15, a driving gear 35, a driven gear 14 and a driving motor 36, wherein the driving motor 36 is correspondingly embedded and installed in the lower template 26, the limiting slide block 15 is correspondingly and movably embedded and arranged on the lower template 26, convex teeth 16 meshed with the driving gear 35 and the driven gear 14 are respectively arranged on two opposite sides of the limiting slide block 15 along the length direction of the limiting slide block, and the driving gear 35 and the driven gear 14 are respectively and correspondingly and rotatably installed on two opposite sides of the limiting slide block 15 and are in movable contact with the limiting slide block 15; the power output of the drive motor 36 is connected to the drive gear 35 and the spring 37 is in a maximum compressed state when the stop block 15 is moved into contact with the upper surface of the mold core 18. The lower template 26 is provided with a guide sliding chute 23 corresponding to the limiting sliding block 15 at a position corresponding to the limiting sliding block 15.
In a normal use state, the driving motor 36 drives the driving gear 35 to drive the limiting slide block 15 to move above the mold core 18 and to be abutted against the upper surface of the mold core 18. When the mold core 18 needs to be replaced, the driving motor 36 drives the driving gear 35 to drive the limiting slide block 15 to move along the guide chute 23 in the direction away from the mold core 18 until the limiting slide block is separated from the upper side of the mold core 18, at the moment, the spring 37 returns to the maximum opening state, the mold core 18 is jacked up, and the mold core 18 is conveniently taken away by hands and another mold core is replaced.
A plurality of guide convex rings 20 are convexly arranged on the two opposite sides of the mold core 18, and convex ring abdicating grooves 25 matched with the guide convex rings 20 are arranged on the inner side wall of the groove 24; the lower surface of the upper die holder 39 is provided with a plurality of positioning convex columns 12 corresponding to the guiding convex ring 20, and when the convex die 11 and the die core 18 are assembled, the positioning convex columns 12 are correspondingly inserted into the guiding convex ring 20 for limiting. Through the cooperation structure that sets up location convex column 12 and direction bulge loop 20, the degree of accuracy when further strengthening the compound die ensures that terrace die 11 and mold core 18 can accomplish the compound die action stably, accurately, promotes the compound die precision.
Fixed being provided with many guide posts 30 that run through roof 32 between mounting panel 34 and the lower bolster 26, through setting up guide posts 30, when push rod 33 drove roof 32, roof fixed plate 29, ejector pin 27 and takes place the displacement, can stably remove under guide post 30's guide effect, ensure the degree of accuracy and the stability of ejector pin 27 to product jack-up.
The operating principle of the present embodiment is: the lower template 26, the mounting plate 34, the mold core 18 and the material ejecting structure move towards the upper template 10 until the mold core 18 and the male mold 11 are closed, so that the mold closing action is completed, and the injection molding material enters the mold core inner cavity 17 through a sprue; after the injection operation is completed, the mold is cooled to a set time, the lower mold plate 26, the mounting plate 34, the mold core 18 and the ejector structure move to a set distance in the direction away from the upper mold plate 10, the push rod 33 drives the top plate 32, the top plate fixing plate 29 and the ejector rod 27 to move to a set distance in the direction towards the mold core 18 until the ejector rod 27 ejects a product in the mold core 18, the product is taken away, and the push rod 33 drives the top plate 32, the top plate fixing plate 29 and the ejector rod 27 to reset to the initial position to prepare for the next ejection operation. The operation is repeated in this manner.
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 (5)
1. The utility model provides an injection mold of removable mold core, includes cope match-plate pattern (10), upper die base (39), terrace die (11), lower bolster (26), mounting panel (34), mold core (18), liftout structure, cope match-plate pattern (10) through guide pillar (13) with lower bolster (26) swing joint and form the interval space, lower bolster (26) through bracing piece (31) with mounting panel (34) are connected and form the interval space, upper die base (39) are installed the lower surface of cope match-plate pattern (10), terrace die (11) are installed the lower surface of cope match-plate pattern (39), terrace die (11) with the runner that corresponds with mold core (18) has all been seted up to upper die base (39), cope match-plate pattern (10), its characterized in that: the lower template (26) is provided with a groove (24) for accommodating the mold core (18), the mold core (18) is correspondingly embedded in the groove (24), the bottom of the mold core (18) is provided with a plurality of pressing pins (21), the groove (24) is internally provided with a plurality of spring accommodating grooves (38) for the pressing pins (21) to be inserted, each spring accommodating groove (38) is internally provided with a spring (37), and two opposite sides of the position of the lower template (26) corresponding to the mold core (18) are provided with limiting structures; the limiting structure comprises a limiting slide block (15), a driving gear (35), a driven gear (14) and a driving motor (36), the driving motor (36) is correspondingly embedded and installed in the lower template (26), the limiting slide block (15) is correspondingly and movably embedded and arranged on the lower template (26), convex teeth (16) meshed with the driving gear (35) and the driven gear (14) are arranged on two opposite sides of the limiting slide block (15) along the length direction of the limiting slide block, and the driving gear (35) and the driven gear (14) are respectively and correspondingly rotatably installed on two opposite sides of the limiting slide block (15) and are in movable contact with the limiting slide block (15); the power output end of the driving motor (36) is connected with the driving gear (35), and when the limiting slide block (15) is moved to be in contact with the upper surface of the mold core (18), the spring (37) is in the maximum compressed state.
2. The core-replaceable injection mold of claim 1, wherein: a plurality of guide convex rings (20) are convexly arranged on two opposite sides of the mold core (18), and convex ring abdicating grooves (25) matched with the guide convex rings (20) are arranged on the inner side wall of the groove (24); and a plurality of positioning convex columns (12) are arranged at the positions, corresponding to the guide convex ring (20), of the lower surface of the upper die base (39), and when the convex die (11) and the die core (18) are closed, the positioning convex columns (12) are correspondingly inserted into the guide convex ring (20) for limiting.
3. The core-replaceable injection mold of claim 1, wherein: the liftout structure includes push rod (33), roof (32), roof fixed plate (29), ejector pin (27), push rod (33) run through mounting panel (34) with roof (32) are connected, roof fixed plate (29) are installed the upper surface of roof (32), the one end of ejector pin (27) with roof (32) fixed connection, work as when ejector pin (27) are in the biggest jack-up state, the other end of ejector pin (27) runs through in proper order roof fixed plate (29), lower bolster (26) and mold core (18) and extend the upper surface of mold core inner chamber (17).
4. The core-replaceable injection mold of claim 3, wherein: a plurality of guide columns (30) penetrating through the top plate (32) are fixedly arranged between the mounting plate (34) and the lower template (26).
5. The core-replaceable injection mold of claim 1, wherein: and a guide sliding groove (23) corresponding to the limiting sliding block (15) is formed in the position, corresponding to the limiting sliding block (15), of the lower template (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023092148.2U CN215095350U (en) | 2020-12-21 | 2020-12-21 | Injection mold with replaceable mold core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023092148.2U CN215095350U (en) | 2020-12-21 | 2020-12-21 | Injection mold with replaceable mold core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215095350U true CN215095350U (en) | 2021-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023092148.2U Expired - Fee Related CN215095350U (en) | 2020-12-21 | 2020-12-21 | Injection mold with replaceable mold core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215095350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023201796A1 (en) * | 2022-04-22 | 2023-10-26 | 深圳技术大学 | Combined mold apparatus based on 3d printing |
-
2020
- 2020-12-21 CN CN202023092148.2U patent/CN215095350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023201796A1 (en) * | 2022-04-22 | 2023-10-26 | 深圳技术大学 | Combined mold apparatus based on 3d printing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |