CN112706376A - Injection mold with low space occupancy rate - Google Patents
Injection mold with low space occupancy rate Download PDFInfo
- Publication number
- CN112706376A CN112706376A CN202011568908.4A CN202011568908A CN112706376A CN 112706376 A CN112706376 A CN 112706376A CN 202011568908 A CN202011568908 A CN 202011568908A CN 112706376 A CN112706376 A CN 112706376A
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- seat
- slide block
- core
- mold
- sliding block
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- 238000002347 injection Methods 0.000 title claims abstract description 50
- 239000007924 injection Substances 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000009471 action Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C2045/338—Mould parts with combined axial and transversal movements
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold with low space occupancy rate, which comprises a movable mold and a fixed mold; a movable mold core is arranged on the movable mold, and a fixed mold core corresponding to the movable mold core is arranged on the fixed mold; the core pulling slide block mechanism is arranged on two sides of the movable mould core; the core-pulling sliding block mechanism comprises a sliding block seat, an inclined guide pillar, a sliding block insert pin and an inclined sliding block insert; the front end of the sliding block seat is provided with a locking seat, the locking seat is positioned in the fixed die, and the locking seat is fixedly connected with the fixed die; the inclined guide post penetrates through the locking seat and the sliding block seat simultaneously, and the sliding block seat is movably connected with the inclined guide post; the slide block embedding pin is horizontally and fixedly arranged on the slide block seat, and the inclined slide block embedding piece is arranged below the slide block embedding pin and is fixedly connected with the slide block seat; the head ends of the slide block insert pin and the inclined slide block insert are respectively inserted into the movable mould core. The core-pulling slide block mechanism can pull cores in multiple directions in actual use, and the injection mold provided with the core-pulling slide block mechanism is smaller in size and low in space occupancy rate.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold with low space occupancy rate.
Background
When a product is provided with an inverted buckle structure, in order to ensure that the product can be demoulded smoothly, a lateral parting and core-pulling mechanism is generally required to be designed on an injection mould, the common lateral parting and core-pulling mechanism has two modes of a sliding block seat and an inclined top, and the common sliding block seat type core-pulling mechanism and the inclined top type core-pulling mechanism can only complete core-pulling action in one direction. When the product back-off directions are inconsistent and the product structure is complex, different core-pulling mechanisms are separately adopted for core pulling, so that the volume of the injection mold is increased, and the manufacturing cost of the injection mold is increased.
It is seen that improvements and enhancements to the prior art are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an injection mold with low space occupancy rate, and aims to solve the problem that the existing core pulling mechanism can only complete core pulling action in one direction and causes the increase of the volume of the injection mold.
In order to achieve the purpose, the invention adopts the following technical scheme:
an injection mold with low space occupancy rate comprises a movable mold and a fixed mold; a movable mold core is arranged on the movable mold, and a fixed mold core corresponding to the movable mold core is arranged on the fixed mold; the core-pulling slide block mechanism is arranged on two sides of the movable mould core; the core-pulling sliding block mechanism comprises a sliding block seat, an inclined guide pillar, a sliding block insert pin and an inclined sliding block insert; the front end of the sliding block seat is provided with a locking seat, the locking seat is positioned in the fixed die, and the locking seat is fixedly connected with the fixed die; the inclined guide post penetrates through the locking seat and the sliding block seat simultaneously, and the sliding block seat is movably connected with the inclined guide post; the slide block embedding pin is horizontally and fixedly arranged on the slide block seat, and the inclined slide block embedding piece is arranged below the slide block embedding pin and is fixedly connected with the slide block seat; the head ends of the slide block insert pin and the inclined slide block insert are respectively inserted into the movable mould core.
In the injection mold with low space occupancy rate, a first inclined surface is arranged on one side of the locking seat facing the movable mold core; the sliding block seat is provided with a first step surface and a second step surface which are parallel to each other; and a second inclined plane parallel to the first inclined plane is connected between the first step plane and the second step plane.
In the injection mold with low space occupancy rate, one side of the sliding block seat facing the movable mold core is provided with a first U-shaped groove and a second U-shaped groove which are used for clamping the sliding block insert pin, the first U-shaped groove is communicated with the second U-shaped groove, and the second U-shaped groove is positioned at the inner side of the first U-shaped groove; the inner diameter of the second U-shaped groove is larger than that of the first U-shaped groove.
In the injection mold with low space occupancy rate, the slide block seat is provided with a first dovetail groove for mounting the inclined slide block insert, and the inclined slide block insert is fixedly connected with the upper inclined surface of the first dovetail groove.
In the injection mold with low space occupancy rate, a clamping block used for clamping the inclined slide block insert is fixedly arranged on the upper inclined surface of the first dovetail groove.
In the injection mold with low space occupancy rate, the inclined slide block insert is movably connected with a guide seat; the guide seat is fixedly connected with the movable mould core.
In the injection mold with low space occupancy rate, a second dovetail groove is formed in the guide seat, and a dovetail block matched with the second dovetail groove is fixedly arranged on the inclined sliding block insert.
In the injection mold with low space occupancy rate, the guide seat is connected with a positioning rod which is horizontally inserted into the movable mold core.
In the injection mold with low space occupancy rate, two parallel limiting plates are arranged on two sides of the sliding block seat, and the limiting plates are fixedly connected with the movable mold.
In the injection mold with low space occupancy rate, the rear end of the slider seat is provided with a limit stop block for limiting the moving distance of the slider seat; and the limit stop block is fixedly arranged on the outer side of the movable die.
Has the advantages that:
the invention provides an injection mold with low space occupancy rate, wherein a core-pulling slide block mechanism capable of pulling cores in multiple directions is arranged on the injection mold, and when the mold is opened, a slide block seat of the core-pulling slide block mechanism can slide outwards along an inclined guide pillar to drive a slide block embedding needle and an inclined slide block embedding piece positioned below the slide block embedding needle to perform core-pulling action, so that the multiple-direction core pulling of the core-pulling slide block mechanism is realized. Compared with the injection mold provided with the existing core pulling mechanism, the volume of the injection mold can be reduced, the manufacturing cost of the injection mold is reduced, and the space occupancy rate of the injection mold is reduced.
Drawings
Fig. 1 is a schematic structural view of an injection mold with a low space occupancy rate according to the present invention.
Fig. 2 shows the structure of the core-pulling slider mechanism.
Fig. 3 is a schematic structural view of the slider holder.
Fig. 4 is a schematic structural view of the guide seat.
Fig. 5 is a schematic structural view of the ramping slide insert.
Description of the main element symbols:
1-moving a mould; 2-fixing the mold; 3-moving the mold core; 4-fixing the mold core;
5-core-pulling slide block mechanism; 51-slider seat; 52-oblique guide pillar; 53-slider insert pin; 54-a ramping slide insert;
6-locking seat; 7-a first U-shaped groove; 8-a second U-shaped groove; 9-a first dovetail groove; 10-a fixture block; 11-a guide seat; 12-a second dovetail slot; 13-dovetail block; 14-positioning rods; 15-limiting plate; 16-limit stop.
Detailed Description
The invention provides an injection mold with low space occupancy rate, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the present invention provides an injection mold with low space occupancy rate, wherein the injection mold comprises a moving mold 1 and a fixed mold 2; a moving die core 3 is arranged on the moving die 1, and a fixed die core 4 corresponding to the moving die core 3 is arranged on the fixed die 2; further, the core pulling device also comprises core pulling slide block mechanisms 5 arranged on two sides of the movable die core 3; the core-pulling slider mechanism 5 comprises a slider seat 51, an inclined guide post 52, a slider insert pin 53 and an inclined slider insert 54; the front end of the sliding block seat 51 is provided with a locking seat 6, the locking seat 6 is positioned in the fixed die 2, and the locking seat 6 is fixedly connected with the fixed die 2; the inclined guide post 52 penetrates through the locking seat 6 and the slider seat 51 at the same time, and the slider seat 51 is movably connected with the inclined guide post 52; the slide block insert pin 53 is horizontally and fixedly arranged on the slide block seat 51, and the inclined slide block insert 54 is arranged below the slide block insert pin 53 and fixedly connected with the slide block seat 51; the head ends of the slide insert pin 53 and the inclined slide insert 54 are inserted into the core insert 3, respectively.
The working principle of the invention is as follows:
when the moving mold and the fixed mold are not opened, the sliding block seat 51 is pressed by the locking block 6, so that the sliding block seat 51 is kept in close contact with the moving mold core 3. When the mold is opened, the slider seat 51 is not extruded by the locking block 6 any more, and the slider seat 51 slides outwards under the action of the inclined guide post 52; in the process that the slider seat 51 slides outwards, the slider insert pin 53 is driven by the slider seat 51 to slide together, so that the core pulling of the inverted cavity at the slider insert pin 53 is completed; in addition, when the slider seat 51 slides outwards along the inclined guide post 52, the inclined slider insert 54 fixed on the slider seat 51 is used for obliquely pulling the core and is pulled out from the movable mold core 3 to finish the core pulling of the back-off inner cavity at the inclined slider insert 54, so that the same core pulling slider mechanism 5 can realize the core pulling action in different directions, thereby finishing the back-off mold release in different directions; compared with the injection mold provided with the existing core pulling mechanism, the volume of the injection mold can be reduced, and the space occupancy rate of the injection mold is reduced.
Referring to fig. 1 and 2, further, a first inclined surface is disposed on a side of the locking seat 6 facing the moving die core 3; the sliding block seat 51 is provided with a first step surface and a second step surface which are parallel to each other; and a second inclined plane parallel to the first inclined plane is connected between the first step plane and the second step plane. When the moving and fixed dies are not opened, the first inclined surface and the second inclined surface are in close contact, and the locking seat 6 is arranged, so that the product can be simultaneously pressed by the locking seat 6 and the moving die core 3 in the forming process of the sliding block seat 51.
Referring to fig. 2 and 3, further, a first U-shaped groove 7 and a second U-shaped groove 8 for clamping the slider insert pin 53 are disposed on a side of the slider seat 51 facing the movable mold core 3, and the first U-shaped groove 7 is communicated with the second U-shaped groove 8. In another embodiment, the second U-shaped groove 8 is located inside the first U-shaped groove 7, and the inner diameter of the second U-shaped groove 8 is larger than the inner diameter of the first U-shaped groove 7. When the slider insert pin 53 is mounted, the tail end of the slider insert pin 53 is inserted into the second U-shaped groove 8, and the body of the slider insert pin 53 is engaged with the first U-shaped groove 7, so that the slider insert pin 53 is firmly mounted on the slider holder 51.
Referring to fig. 2 and 3, further, the slider seat 51 is provided with a first dovetail groove 9 for mounting the ramping slide insert 54, and the ramping slide insert 54 is fixedly connected with an upper inclined surface of the first dovetail groove 9. In another embodiment, the upper inclined surface of the first dovetail groove 9 is fixedly provided with a clamping block 10 for clamping the inclined slide block insert 54.
Referring to fig. 2, 4 and 5, further, the tilt slide insert 54 is movably connected to a guide base 11; the guide seat 11 is fixedly connected with the movable die core 3. In another embodiment, the guide seat 11 is provided with a second dovetail groove 12, the tilted sliding block insert 54 is fixedly provided with a dovetail block 13 matched with the second dovetail groove 12, and the guide seat 11 is connected with a positioning rod 14 horizontally inserted into the movable die core 3. During the core pulling action of the tilted sliding block insert 54, the tilted sliding block insert slides along the second dovetail groove 12 on the guide base 11, and finally the core pulling of the inverted inner cavity at the tilted sliding block insert 54 is completed.
Referring to fig. 1, two parallel limiting plates 15 are further disposed on two sides of the slider seat 51, and the limiting plates 15 are fixedly connected to the moving mold 1. During actual die sinking, slider seat 51 follows the motion of movable mould 1, and through setting up limiting plate 15, the slider seat 51 that makes along the outside gliding of oblique guide pillar 52 can accomplish spacingly with the help of limiting plate 15 all the time, the condition that appears the slope when avoiding slider seat 51 to remove.
Referring to fig. 1, further, a limit stopper 16 for limiting a moving distance of the slider seat 51 is disposed at a rear end of the slider seat 51; the limit stop 16 is fixedly arranged on the outer side of the movable mold 1. When the slider seat 51 slides outwards along the inclined guide post 52, the slider seat 51 has a certain distance of offset in the horizontal outwards direction, and the situation that the slider seat 51 is difficult to reset because the slider seat 51 is prevented from being separated from the moving die 1 by arranging the limit stop 16 is generated.
In summary, the invention provides an injection mold with a low space occupancy rate, wherein a core-pulling slider mechanism capable of pulling cores in multiple directions is arranged on the injection mold, and when the mold is opened, a slider seat of the core-pulling slider mechanism can slide outwards along an inclined guide pillar to drive a slider insert pin and an inclined slider insert located below the slider insert pin to perform core-pulling action, so that the multiple directions core-pulling of the core-pulling slider mechanism are realized. Compared with the injection mold provided with the existing core pulling mechanism, the volume of the injection mold can be reduced, the manufacturing cost of the injection mold is reduced, and the space occupancy rate of the injection mold is reduced.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. An injection mold with low space occupancy rate comprises a movable mold and a fixed mold; a movable mold core is arranged on the movable mold, and a fixed mold core corresponding to the movable mold core is arranged on the fixed mold; the core pulling mechanism is characterized by further comprising core pulling slide block mechanisms arranged on two sides of the movable mold core; the core-pulling sliding block mechanism comprises a sliding block seat, an inclined guide pillar, a sliding block insert pin and an inclined sliding block insert; the front end of the sliding block seat is provided with a locking seat, the locking seat is positioned in the fixed die, and the locking seat is fixedly connected with the fixed die; the inclined guide post penetrates through the locking seat and the sliding block seat simultaneously, and the sliding block seat is movably connected with the inclined guide post; the slide block embedding pin is horizontally and fixedly arranged on the slide block seat, and the inclined slide block embedding piece is arranged below the slide block embedding pin and is fixedly connected with the slide block seat; the head ends of the slide block insert pin and the inclined slide block insert are respectively inserted into the movable mould core.
2. The injection mold with low space occupancy according to claim 1, wherein a first inclined surface is arranged on one side of the locking seat facing the movable mold core; the sliding block seat is provided with a first step surface and a second step surface which are parallel to each other; and a second inclined plane parallel to the first inclined plane is connected between the first step plane and the second step plane.
3. The injection mold with the low space occupancy rate as claimed in claim 1, wherein a first U-shaped groove and a second U-shaped groove for clamping the insert pin of the slide block are formed in one side of the slide block seat facing the movable mold core, the first U-shaped groove is communicated with the second U-shaped groove, and the second U-shaped groove is located inside the first U-shaped groove; the inner diameter of the second U-shaped groove is larger than that of the first U-shaped groove.
4. The injection mold with low space occupancy according to claim 1, wherein the slide block seat is provided with a first dovetail groove for mounting a ramping slide block insert, and the ramping slide block insert is fixedly connected with an upper inclined surface of the first dovetail groove.
5. The injection mold with the low space occupancy rate according to claim 4, wherein a clamping block for clamping the inclined slide block insert is fixedly arranged on the upper inclined surface of the first dovetail groove.
6. The injection mold with low space occupancy according to claim 1, wherein the tilt slide insert is movably connected with a guide seat; the guide seat is fixedly connected with the movable mould core.
7. The injection mold with the low space occupancy rate according to claim 6, wherein a second dovetail groove is formed on the guide seat, and a dovetail block matched with the second dovetail groove is fixedly arranged on the inclined slide block insert.
8. The injection mold with low space occupancy according to claim 6, wherein the guide seat is connected with a positioning rod for horizontally inserting the movable mold core.
9. The injection mold with low space occupancy according to claim 1, wherein two parallel limiting plates are arranged on two sides of the slider seat, and the limiting plates are fixedly connected with the movable mold.
10. The injection mold with low space occupancy according to claim 1, wherein a limit stopper for limiting a moving distance of the slider holder is provided at a rear end of the slider holder; and the limit stop block is fixedly arranged on the outer side of the movable die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568908.4A CN112706376A (en) | 2020-12-25 | 2020-12-25 | Injection mold with low space occupancy rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568908.4A CN112706376A (en) | 2020-12-25 | 2020-12-25 | Injection mold with low space occupancy rate |
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| Publication Number | Publication Date |
|---|---|
| CN112706376A true CN112706376A (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011568908.4A Pending CN112706376A (en) | 2020-12-25 | 2020-12-25 | Injection mold with low space occupancy rate |
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| CN (1) | CN112706376A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145532A (en) * | 2011-03-21 | 2011-08-10 | 慈溪天龙电子有限公司 | Slide block demolding mechanism with function of coring twice |
| CN205651613U (en) * | 2016-05-09 | 2016-10-19 | 牟维军 | Multi -direction mold machine of loosing core constructs |
| CN108422628A (en) * | 2018-05-03 | 2018-08-21 | 浙江台州美多模具有限公司 | Double angle oblique top sliding blocks integrate interlocking core drawing mechanism |
| CN108454034A (en) * | 2018-05-03 | 2018-08-28 | 浙江台州美多模具有限公司 | The curved pin secondary core-pulling mechanism of refrigerator doorframe injection mold |
| CN209466609U (en) * | 2019-01-24 | 2019-10-08 | 东莞秦汉汽车模具技术有限公司 | A kind of mold with side action sliders |
| CN110370565A (en) * | 2019-07-23 | 2019-10-25 | 宁波奥克斯电气股份有限公司 | It is a kind of to mix oblique pulling mechanism and injection mold |
| CN210283091U (en) * | 2019-07-04 | 2020-04-10 | 宁波奥克斯电气股份有限公司 | Lateral core-pulling mechanism and injection mold |
| CN211941899U (en) * | 2019-12-31 | 2020-11-17 | 昆山市研通模具有限公司 | Multi-direction demoulding structure of loosing core |
| CN214111317U (en) * | 2020-12-25 | 2021-09-03 | 佛山职业技术学院 | Injection mold with low space occupancy rate |
-
2020
- 2020-12-25 CN CN202011568908.4A patent/CN112706376A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145532A (en) * | 2011-03-21 | 2011-08-10 | 慈溪天龙电子有限公司 | Slide block demolding mechanism with function of coring twice |
| CN205651613U (en) * | 2016-05-09 | 2016-10-19 | 牟维军 | Multi -direction mold machine of loosing core constructs |
| CN108422628A (en) * | 2018-05-03 | 2018-08-21 | 浙江台州美多模具有限公司 | Double angle oblique top sliding blocks integrate interlocking core drawing mechanism |
| CN108454034A (en) * | 2018-05-03 | 2018-08-28 | 浙江台州美多模具有限公司 | The curved pin secondary core-pulling mechanism of refrigerator doorframe injection mold |
| CN209466609U (en) * | 2019-01-24 | 2019-10-08 | 东莞秦汉汽车模具技术有限公司 | A kind of mold with side action sliders |
| CN210283091U (en) * | 2019-07-04 | 2020-04-10 | 宁波奥克斯电气股份有限公司 | Lateral core-pulling mechanism and injection mold |
| CN110370565A (en) * | 2019-07-23 | 2019-10-25 | 宁波奥克斯电气股份有限公司 | It is a kind of to mix oblique pulling mechanism and injection mold |
| CN211941899U (en) * | 2019-12-31 | 2020-11-17 | 昆山市研通模具有限公司 | Multi-direction demoulding structure of loosing core |
| CN214111317U (en) * | 2020-12-25 | 2021-09-03 | 佛山职业技术学院 | Injection mold with low space occupancy rate |
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