CN212636417U - Electric appliance upper cover die - Google Patents
Electric appliance upper cover die Download PDFInfo
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- CN212636417U CN212636417U CN202020823020.XU CN202020823020U CN212636417U CN 212636417 U CN212636417 U CN 212636417U CN 202020823020 U CN202020823020 U CN 202020823020U CN 212636417 U CN212636417 U CN 212636417U
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Abstract
The utility model relates to an injection mold technical field specifically is an electrical apparatus upper cover mould, including front template, back template and oblique top subassembly, the embedded back mould benevolence that is equipped with of back template runs through in the back mould benevolence and sets up the back mould and insert, and the back mould is inserted the top and is setting up the outside groove near back mould benevolence edge one side, and the oblique top subassembly is equipped with the shaping head including wearing to locate the oblique ejector pin in the back mould inlays, and the shaping head is located the outside inslot and laminates with outside inslot side. The rear template is also provided with a line position mechanism matched with the rear template insert, the line position mechanism comprises a line position seat and a line position insert, the front template is provided with a shovel base matched with the line position seat and an inclined guide rod, the edge of the rear template core is provided with a guide groove communicated with the outer edge groove, the line position insert is positioned in the guide groove, the end part of the line position insert can move to the outer edge groove, and the end part of the line position insert is provided with a mould pin which can be abutted against the forming head. The mould is convenient for demoulding and can ensure the forming quality of the upper cover of the electric appliance with a complex connecting lug structure.
Description
Technical Field
The utility model relates to an injection mold technical field specifically is an electrical apparatus upper cover mould.
Background
The electrical housing generally includes an upper cover and a bottom shell that snap together, the upper cover being connected to the bottom shell by a plurality of protruding lugs disposed at the bottom edge. In order to ensure the connection stability, although the connecting lugs only occupy a very small part of the upper cover, the structure is not simple, a plurality of inverse buckle structures even need to be arranged on some connecting lugs, the forming difficulty is high, the demoulding difficulty is high, and the existing mould is relatively poor in forming effect and demoulding effect on the upper cover of the electric appliance containing the complex connecting lug structure.
Disclosure of Invention
The utility model discloses a main objective provides the mould that can guarantee the shaping quality and be convenient for the drawing of patterns to the electrical apparatus upper cover that possesses complicated engaging lug structure.
In order to realize the above object, the utility model provides an electrical apparatus upper cover mould, including front bezel, back template and oblique top subassembly, the embedded back mould benevolence that is equipped with of back template runs through in the back mould benevolence and sets up the back mould and insert, and the back mould is inserted the top and is being close to back mould benevolence edge one side and set up the outside groove, and the oblique top subassembly is including wearing to locate the oblique ejector pin in the back mould inserts, and its special character lies in, and oblique ejector pin top is equipped with the shaping head, and the shaping head lies in the outside inslot and laminates with outside inslot side. The rear template is also provided with a line position mechanism matched with the rear template insert, the line position mechanism comprises a line position seat and a line position insert, the front template is provided with a shovel base matched with the line position seat and an inclined guide rod, the edge of the rear template core is provided with a guide groove communicated with the outer edge groove, the line position insert is positioned in the guide groove, the end part of the line position insert can move to the outer edge groove, and the end part of the line position insert is provided with a mould pin which can be abutted against the forming head.
According to the scheme, due to the fact that the structure of the connecting lug is complex and the requirement on size precision is high, an independent rear die insert is needed to be arranged for shaping the connecting lug, the rear die insert, the forming head and the slide insert can be jointly enclosed and blocked in the rear template to form a connecting lug cavity, a pin in the cavity can be used for forming a connecting hole in the connecting lug, and the forming head is matched with the outer side groove to guarantee the forming quality of the inverted buckle type structure on the inner side of the connecting lug. Because the moving directions of the inclined ejector rod and the slide mechanism are different, the whole die can ensure the smooth demoulding of the upper cover of the electric appliance by the mode of horizontally returning the slide mechanism and ejecting the inclined ejector rod. In addition, the connecting lug is allowed to be provided with the inverted buckle type structures on two sides of the die, and the slide insert is directly abutted against the forming head in a die closing state, so that position deviation is avoided, and the forming quality of the connecting lug with a complex shape is improved.
The further scheme is that the width of the forming head is larger than that of the oblique ejector rod, the width of the outer groove is larger than that of the forming head, a first guide through hole matched with the oblique ejector rod is arranged at the bottom of the outer groove in a penetrating mode on the rear die insert, a guide groove is arranged on the inner side of the outer groove, the end face of the guide groove is flush with the side face of the first guide through hole, a convex edge portion matched with the guide groove is arranged on the first side of the forming head, a boss portion is arranged on the second side, back to the convex edge portion, of the forming head, an inner groove is arranged on the end face along the axial length of the oblique ejector rod, and gaps exist between the two sides of the boss portion and the side wall of.
It is from top to bottom visible, locate the shaping that the interior type groove of boss portion terminal surface is used for the inboard protruding muscle in middle part of engaging lug, boss portion both sides can enclose with outside groove lateral wall and keep off and constitute two outer die cavities for the shaping of the inboard marginal protruding muscle of engaging lug, locate shaping head one side and terminal surface and oblique ejector pin side flush protruding arris portion can guarantee that the engaging lug is inboard smoothly demold.
The further scheme is that an oblique jacking through hole in clearance fit with the oblique ejector rod is arranged on the rear template along the vertical direction, a containing sinking groove communicated with the oblique jacking through hole is formed in the bottom surface of the rear template, a guide block is detachably arranged in the containing sinking groove of the rear template, and a second guide through hole matched with the oblique ejector rod is formed in the guide block.
It is from top to bottom visible, the guide block of back mould bottom can cooperate the smooth and easy drawing of patterns of guide oblique top subassembly and reset with the back mould insert at back mould top, and the guide block detachable is liftoff to be set up in back template bottom, and the dismouting of being convenient for is overhauld, also makes the guide block can adopt the material that is different from back template to make simultaneously, and this durability that will help improving the mould.
The electric appliance upper cover mould further comprises a thimble fixing plate arranged below the rear mould plate, a plurality of reset mechanisms are symmetrically arranged on the thimble fixing plate, and the inclined ejector assembly further comprises an inclined ejector seat arranged on the thimble fixing plate. The bottom of the oblique ejector rod is provided with a T-shaped joint, and the top of the oblique ejector seat is provided with a T-shaped sliding groove in clearance fit with the T-shaped joint. The reset mechanism comprises a guide post and a reset spring, the lower end of the guide post is fixedly connected with the ejector pin fixing plate, the upper end of the guide post penetrates through the rear template, the reset spring is sleeved on the guide post, the upper end of the reset spring is abutted against the rear template, and the lower end of the reset spring is abutted against the ejector pin fixing plate.
Therefore, the inclined ejector seat arranged on the ejector pin fixing plate is connected with the bottom end of the inclined ejector rod and has certain mobility, and the reset mechanism which is also arranged on the ejector pin fixing plate and acts on the rear template is introduced to effectively guide the automatic reset of the inclined ejector assembly after the mold is opened.
The further scheme is that a stepped through hole matched with the reset mechanism is arranged on the rear template along the vertical direction, and the stepped through hole comprises an upper hole section matched with the upper end of the guide post and a lower hole section matched with the reset spring. The upper end of the reset spring is positioned in the lower hole section and is abutted against the step surface of the stepped through hole, the lower end of the guide post is provided with a limiting ring protrusion, and the lower part of the stepped through hole on the ejector pin fixing plate is provided with a stepped connecting hole matched with the lower end of the guide post.
Therefore, the guide post penetrates through the thimble fixing plate and is connected and limited through the matching of the limiting ring protrusion at the lower end of the guide post and the stepped connecting hole.
The further scheme is that the number of the reset mechanisms is 4, and the 4 reset mechanisms are respectively arranged at four corners of the thimble fixing plate.
Therefore, the reset mechanisms distributed at the four corners of the thimble fixing plate can effectively avoid the rear mold core at the arrangement position, and the smooth reset of the inclined top component is ensured.
The further proposal is that the slide insert is also provided with an upper edge groove on the end surface.
It is thus clear that stable lock is mainly realized through the echelonment structure that sets up the superpose at the edge between current electrical apparatus upper cover and drain pan, still need introduce multistage ladder side structure for improving connection stability sometimes, and the engaging lug has a constant plane poor again with the lower edge of electrical apparatus upper cover, can guarantee the stable shaping of above-mentioned multistage ladder side structure through inserting the upper groove at the line position terminal surface and introducing.
Drawings
Fig. 1 is a structural diagram of an embodiment of the upper cover mold of the electric appliance of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is an enlarged structural view at C in fig. 3.
Fig. 5 is a sectional view B-B of fig. 2.
Fig. 6 is a view of fig. 2 with the upper die removed.
Fig. 7 is a first view structural diagram of an electrical appliance upper cover product corresponding to the embodiment of the electrical appliance upper cover mold of the present invention.
Fig. 8 is a second view structure diagram of the electrical appliance upper cover product corresponding to the embodiment of the electrical appliance upper cover mold of the present invention.
Fig. 9 is a matching structure diagram of the rear mold insert, the oblique mandril and the slide insert in the embodiment of the upper cover mold of the electric appliance.
Fig. 10 is a structural diagram of a rear die insert in an embodiment of the upper cover die of the present invention.
Fig. 11 is a structural diagram of the slide insert in the embodiment of the upper cover mold of the electric appliance of the present invention.
Fig. 12 is a first view structural diagram of the lifter assembly in the embodiment of the electrical appliance upper cover mold of the present invention.
Fig. 13 is a second view structure diagram of the lifter assembly in the embodiment of the upper cover mold of the electric appliance of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 13, the utility model provides an electrical apparatus upper cover mould includes front bezel 1, back template 2 and oblique top subassembly 3, the embedded back mould benevolence 4 that is equipped with of back template 2, runs through in the back mould benevolence 4 and sets up back mould and insert 5, the back mould is inserted 5 tops and is setting up outside groove 51 being close to 4 marginal one sides of back mould benevolence, oblique top subassembly 3 includes the oblique ejector pin 31 of inserting 5 in wearing to locate the back mould, oblique ejector pin 31 top is equipped with forming head 32, forming head 32 is located outside groove 51 and laminates with outside inslot 51 inboard. The rear template 2 is further provided with a slide mechanism 6 matched with the rear template insert 5, the slide mechanism 6 comprises a slide seat 61 and a slide insert 62, the front template 1 is provided with a shovel base 11 and an inclined guide rod 12 matched with the slide seat 61, the edge of the rear template core 4 is provided with a guide groove 41 communicated with the outer groove 51, the slide insert 62 is positioned in the guide groove 41, the end part of the slide insert 62 can move into the outer groove 51, and the end part of the slide insert 62 is provided with a mould pin 63 capable of being abutted against the forming head 32.
The engaging lug 91 is usually all set up protruding muscle 92 in the local region of inboard for guaranteeing structural strength, still need set up connecting hole 93 on some engaging lugs 91 in addition, connecting hole 93 and protruding muscle 92 belong to back-off class structure with, but inside inconvenient the setting up of product inboard of back mould benevolence 4 go a position mechanism, consequently can't realize the shaping of these two kinds of back-off class structures simultaneously through a forming mechanism.
Because the structure of the connecting lug 91 is complex and the requirement on the dimensional accuracy is high, an independent rear die insert 5 is necessary to shape the connecting lug, the rear die insert 5, the forming head 32 and the slide insert 62 can be jointly enclosed and blocked in the rear template 2 to form a connecting lug cavity, a pin 63 in the cavity can be used for forming a connecting hole in the connecting lug, and the forming head 32 is matched with the outer edge groove 51 to ensure the forming quality of the inner side reverse buckle type structure of the connecting lug. Because the movement directions of the oblique ejector rod 31 and the slide mechanism 6 are different, the smooth demoulding of the upper cover of the electric appliance can be ensured by the mode that the slide mechanism 6 horizontally retreats and the oblique ejector rod 31 ejects. In addition, the die allows the connecting lug to be provided with reverse buckling structures on two sides, and the slide insert 62 is directly abutted against the forming head 32 in a die assembly state, so that position deviation is avoided, and the forming quality of the connecting lug with a complex shape is improved.
It is also contemplated that forming head 32 may further include a circular groove for engaging the end of pin 63 to enhance engagement with slide insert 62. The upper cover 9 of the electric appliance in the embodiment is an upper cover of a fire-fighting signal collector, and comprises two connecting lugs 91, each connecting lug 91 is provided with a connecting hole 93, a convex rib 92 is locally arranged on the inner side of each connecting lug 91, and a corresponding upper cover die of the electric appliance comprises two sets of inclined top assemblies 3, a slide mechanism 6 and two rear die inserts 5. The two connecting lugs 91 are not symmetrically arranged, the corresponding side structures of the upper cover 9 of the electric appliance on the two connecting lugs 91 are slightly different, but the structures of the corresponding areas of the two connecting lugs 91 are completely the same, and in addition, a front mold core 13 is also arranged in the front mold 1.
The width of the forming head 32 is greater than that of the inclined ejector rod 31, the width of the outer edge groove 51 is greater than that of the forming head 32, a first guide through hole 52 matched with the inclined ejector rod 31 is arranged at the bottom of the outer edge groove 51 in a penetrating mode on the rear die insert 5, a guide groove 53 is arranged on the inner side of the outer edge groove 51, the end face of the guide groove 53 is flush with the side face of the first guide through hole 52, a convex edge portion 321 matched with the guide groove 53 is arranged on the first side of the forming head 32, a boss portion 322 is arranged on the second side, back to the convex edge portion 321, of the forming head 32, an inner groove 323 is arranged on the end face of the boss portion 322 along the axial direction length of the inclined ejector rod 31, and gaps exist between the two.
The inner groove 323 arranged on the end face of the boss part 322 is used for forming the middle convex rib 92 on the inner side of the connecting lug, two sides of the boss part 322 can be enclosed with the side wall of the outer groove 51 to form two outer cavities for forming the convex rib 92 on the inner side edge of the connecting lug, and the convex rib part 321 arranged on one side of the forming head 32 and with the end face flush with the side face of the inclined ejector rod 31 can ensure smooth demoulding of the inner side of the connecting lug.
The rear template 2 is provided with an inclined top through hole 21 in clearance fit with the inclined top rod 31 along the vertical direction, the bottom surface of the rear template 2 is provided with an accommodating sinking groove 22 communicated with the inclined top through hole 21, the rear template 2 is detachably provided with a guide block 23 in the accommodating sinking groove 22, and the guide block 23 is provided with a second guide through hole 231 matched with the inclined top rod 31.
The guide block 23 of back mould bottom can cooperate the smooth and easy drawing of patterns of guide oblique top subassembly 3 and reset with the back mould insert 5 at back mould top, and guide block 23 detachable liftoff sets up in the back template bottom, and the dismouting of being convenient for is overhauld, also makes guide block 23 can adopt the material that is different from back template 2 to make simultaneously, for example can adopt comparatively wear-resisting nevertheless the higher bronze material preparation guide block 23 of cost relatively, and this will help improving the durability of mould. In the embodiment, the guide block 23 is connected to the rear mold 2 by bolting.
The electric appliance upper cover die further comprises a thimble fixing plate 7 arranged below the rear die plate 2, a plurality of reset mechanisms 8 are symmetrically arranged on the thimble fixing plate 7, and the inclined top component 3 further comprises an inclined top seat 33 arranged on the thimble fixing plate 7. The bottom end of the inclined ejector rod 31 is provided with a T-shaped joint 34, and the top of the inclined ejector seat 33 is provided with a T-shaped sliding groove 331 in clearance fit with the T-shaped joint 34. The reset mechanism 8 comprises a guide post 81 and a reset spring 82, the lower end of the guide post 81 is fixedly connected with the thimble fixing plate 7, the upper end of the guide post 81 penetrates through the rear template 2, the reset spring 82 is sleeved on the guide post 81, the upper end of the reset spring 82 is abutted against the rear template 2, and the lower end of the reset spring 82 is abutted against the thimble fixing plate 7.
The inclined ejector seat 33 arranged on the ejector pin fixing plate 7 is connected with the bottom end of the inclined ejector rod 31 and has certain mobility, and the reset mechanism 8 which is also arranged on the ejector pin fixing plate 7 and acts on the rear template 2 is introduced to effectively guide the automatic reset of the inclined ejector component 3 after the mold is opened.
The rear template 2 is provided with a stepped through hole 24 matched with the reset mechanism 8 along the vertical direction, and the stepped through hole 24 comprises an upper hole section 241 matched with the guide post 81 and a lower hole section 242 matched with the reset spring 82. The upper end of the return spring 82 is located in the lower hole section 242 and abuts against the step surface of the stepped through hole 24, the guide post 81 is provided with a limiting ring protrusion 811 at the lower end, and a stepped connecting hole 71 matched with the lower end of the guide post 81 is arranged below the stepped through hole 24 on the thimble fixing plate 7.
The stepped through hole 24 is introduced to enhance the matching between the rear mold plate 2 and the return spring 82 and the guide post 81, the guide post 81 is inserted into the thimble fixing plate 7 and is connected and limited by the matching between the limiting ring protrusion 811 at the lower end of the guide post and the stepped connecting hole 71, because the thimble base plate 10 is usually disposed below the thimble fixing plate in the mold, the thimble base plate 10 can stably support the thimble fixing plate 7 and the guide post 81, and the thimble fixing plate 7 and the guide post 81 are kept from moving relatively.
In the embodiment, the thimble fixing plate 7 is fixedly connected with the thimble base plate 10 through bolts, the thimble fixing plate 7 is provided with a positioning hole 72 matched with the lower end of the inclined top seat 33, the inclined top seat 33 is directly connected with the thimble base plate 10 through bolts to be connected with the thimble fixing plate 7 and the thimble base plate 10 into a whole, and when the front mold 1 is removed and the slide mechanism 6 is retracted, the three parts are integrally ejected to realize product demolding.
The quantity of canceling release mechanical system 8 is 4, and 7 four corners punishment on the thimble fixed plate are located to 4 canceling release mechanical systems 8 branch, and the canceling release mechanical system who distributes in 7 four corners punishment on the thimble fixed plate can effectively avoid back mould benevolence 4 on setting up the position to guarantee to push up smooth and easy the reseing of subassembly 3 to one side.
The slide insert 62 is further provided with an upper groove 64 on the end face, stable buckling is mainly realized between the existing electric appliance upper cover 9 and the bottom shell by arranging a stackable stepped side structure on the edge, sometimes a multi-stage stepped side structure needs to be introduced for improving connection stability, the connecting lug 91 needs to have a fixed surface difference with the lower edge of the side of the electric appliance upper cover 9, and stable forming of the multi-stage stepped side structure can be guaranteed by introducing the upper groove 64 into the end face of the slide insert 62. In practice, the upper groove 64 may be configured as a stepped groove for a particular appliance cover product.
Claims (7)
1. The utility model provides an electrical apparatus upper cover mould, includes front bezel, back template and oblique top subassembly, the embedded back mould benevolence that is equipped with of back template, run through in the back mould benevolence and set up the back mould and insert, the back mould is inserted the top and is being close to back mould benevolence edge one side sets up the outside groove, oblique top subassembly is including wearing to locate oblique ejector pin in the back mould inserts, its characterized in that:
the forming device comprises an oblique ejector rod, a rear die plate, a rear die insert, a forming head, a front die plate, a rear die insert, a shovel base, an oblique guide rod, a forming head, a guide groove, a line position insert and a shaping pin, wherein the forming head is arranged at the top end of the oblique ejector rod, the forming head is located in the outer side groove and is attached to the inner side of the outer side groove, the line position mechanism matched with the rear die insert is further arranged on the rear die plate and comprises a line position base and a line position insert, the shovel base and the oblique guide rod are matched with the line position base, the edge of the rear die insert is provided with the guide groove communicated with the outer side groove, the line position insert is located in the guide groove, the end portion.
2. The appliance cover mold as claimed in claim 1, wherein:
the width of shaping head is greater than the width of oblique ejector pin, the width in outer groove is greater than the width of shaping head, back mould is inserted go up outer groove bottom run through set up with the first guiding hole of oblique ejector pin complex, outer inslot side is equipped with the guide way, the terminal surface of guide way with the side of first guiding hole flushes, the first side of shaping head be equipped with the protruding arris portion of guide way complex, the shaping head dorsad the second side of protruding arris portion sets up boss portion, boss portion follows on the terminal surface the axial length of going through of oblique ejector pin sets up the inner groove, boss portion both sides all with there is the clearance in outer groove lateral wall.
3. The appliance cover mold as claimed in claim 1, wherein:
the rear template is provided with an oblique jacking hole in clearance fit with the oblique ejector rod along the vertical direction, the bottom surface of the rear template is provided with a containing sinking groove communicated with the oblique jacking hole, the rear template is detachably provided with a guide block in the containing sinking groove, and the guide block is provided with a second guide through hole matched with the oblique ejector rod.
4. The appliance cover mold as claimed in claim 1, wherein:
the ejector pin fixing plate is arranged below the rear template, a plurality of reset mechanisms are symmetrically arranged on the ejector pin fixing plate, the inclined ejection assembly further comprises an inclined ejection seat arranged on the ejector pin fixing plate, a T-shaped joint is arranged at the bottom end of the inclined ejection rod, a T-shaped sliding groove in clearance fit with the T-shaped joint is formed in the top of the inclined ejection seat, the reset mechanisms comprise guide posts and reset springs, the lower ends of the guide posts are fixedly connected with the ejector pin fixing plate, the upper ends of the guide posts penetrate through the rear template, the reset springs are sleeved on the guide posts, the upper ends of the reset springs are abutted to the rear template, and the lower ends of the reset springs are abutted to the ejector pin fixing plate.
5. The appliance cover mold as claimed in claim 4, wherein:
the rear template is provided with a stepped through hole matched with the reset mechanism along the vertical direction, the stepped through hole comprises an upper hole section matched with the guide post and a lower hole section matched with the reset spring, the upper end of the reset spring is positioned in the lower hole section and abutted against a stepped surface of the stepped through hole, the guide post is provided with a limiting ring at the lower end and is convex, and the thimble fixing plate is provided with a stepped connecting hole matched with the lower end of the guide post below the stepped through hole.
6. The appliance cover mold as claimed in claim 4, wherein:
the number of the reset mechanisms is 4, and the reset mechanisms are arranged at four corners of the thimble fixing plate.
7. The appliance cover mold as claimed in any one of claims 1 to 6, wherein:
the slide insert is also provided with an upper edge groove on the end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020823020.XU CN212636417U (en) | 2020-05-15 | 2020-05-15 | Electric appliance upper cover die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020823020.XU CN212636417U (en) | 2020-05-15 | 2020-05-15 | Electric appliance upper cover die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212636417U true CN212636417U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020823020.XU Active CN212636417U (en) | 2020-05-15 | 2020-05-15 | Electric appliance upper cover die |
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| Country | Link |
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| CN (1) | CN212636417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556309A (en) * | 2022-09-16 | 2023-01-03 | 温州意华接插件股份有限公司 | Barb plastic part mold and demolding method thereof |
-
2020
- 2020-05-15 CN CN202020823020.XU patent/CN212636417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556309A (en) * | 2022-09-16 | 2023-01-03 | 温州意华接插件股份有限公司 | Barb plastic part mold and demolding method thereof |
| CN115556309B (en) * | 2022-09-16 | 2024-04-09 | 温州意华接插件股份有限公司 | Barb plastic part mold and demolding method thereof |
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Effective date of registration: 20210611 Address after: 1st floor, No.3, Jiangong 3rd Street, South District, Zhongshan City, Guangdong Province 528400 Patentee after: Zhongshan Songfu plastic mould Co.,Ltd. Address before: 1 / F, No.2 Hongda Road, Nanping Science and Technology Industrial Park, Zhuhai, Guangdong 519000 Patentee before: ZHUHAI SONGFU PLASTIC MOLD Co.,Ltd. |