CN217834530U - Button switch injection mold - Google Patents
Button switch injection mold Download PDFInfo
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- CN217834530U CN217834530U CN202221360891.8U CN202221360891U CN217834530U CN 217834530 U CN217834530 U CN 217834530U CN 202221360891 U CN202221360891 U CN 202221360891U CN 217834530 U CN217834530 U CN 217834530U
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Abstract
The utility model provides a button switch injection mold, which comprises a lower mold, an upper mold, at least one mold cavity, at least one lower packaging part and a pouring gate, wherein the top of the lower mold is provided with a positioning step in a sinking way; the upper die is arranged on the positioning step; at least one die cavity is respectively arranged on the upper die and used for injecting and packaging resin of the button switch; the at least one lower packaging part is respectively arranged on the lower die and corresponds to the at least one die cavity one to one; the pouring gate penetrates through the lower die along the vertical direction, is communicated with the die cavity and is used for filling resin into the die cavity; filling resin into the mold cavity through the pouring gate to realize the injection molding of the button switch; this application is convenient for mould plastics button switch, improves button switch's waterproof performance.
Description
Technical Field
The utility model belongs to the technical field of the button switch technique of moulding plastics and specifically relates to a button switch injection mold.
Background
The button switch for taking water from the fire engine is lack of a waterproof function when in use, is easy to be damaged by short circuit, can be protected by a waterproof mask, but can cause the structure of the button switch to be complicated, and can also cause the cost to be greatly improved, so that the mode of resin injection molding is adopted to coat electrical elements such as circuit boards, output lines, switches and the like, and the button switch is a good waterproof mode.
Lack the button switch injection mold that injection molding resin used among the prior art, this application designs a button switch injection mold to above-mentioned defect, the resin of being convenient for is filled.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a button switch injection mold realizes the location of the partial electric elements of button switch to make things convenient for the resin to mould plastics, reduce button switch's the degree of difficulty of moulding plastics. The utility model adopts the technical proposal that:
a button switch injection mold comprises
The top of the lower die is provided with a positioning step in a sinking way;
the upper die is arranged on the positioning step;
at least one mold cavity respectively arranged on the upper mold and used for injecting and packaging resin of the button switch;
the lower packaging parts are respectively arranged on the lower die, and the lower packaging parts correspond to the die cavities one by one; and
the pouring gate penetrates through the lower die along the vertical direction, is communicated with the die cavity and is used for filling resin into the die cavity;
wherein the lower package part comprises
The reserved platform is arranged on the positioning step, so that an accommodating space is formed on the inner side of the positioning step by the reserved platform, and the size of the reserved platform is smaller than that of the bottom of the mold cavity;
the positioning column is positioned in the accommodating space, the bottom of the positioning column is connected with the positioning step, and the top of the positioning column extends upwards along the vertical direction; and
and the riser penetrates through the lower die along the vertical direction and is communicated with the die cavity, so that the resin overflows from the riser to the die cavity.
Furthermore, the upper die comprises a first upper die and a second upper die, the bottom of the first upper die is attached to the positioning step, the bottom of the second upper die is attached to the positioning step, and the right side surface of the first upper die is attached to the left side surface of the second upper die;
the mold cavity is disposed between the first upper mold and the second upper mold.
Further, the mold cavity comprises
The first half cavity is arranged at the right lower side of the first upper die;
the second half cavity is arranged on the left lower side of the second upper die and is butted with the first half cavity to form a complete die cavity;
the first half wire harness hole is formed in the right side face of the first upper die, one end of the first half wire harness hole is communicated with the first half cavity, and the other end of the first half wire harness hole extends to the top face of the first upper die;
the second half wire harness hole is formed in the left side face of the second upper die, one end of the second half wire harness hole is communicated with the second half cavity, and the other end of the second half wire harness hole extends to the top face of the second upper die;
and the first half wire harness hole and the second half wire harness hole are butted and combined into a complete wire harness hole, and the wire harness hole is used for inserting a power transmission line.
Further, the number of the harness holes is at least one.
Furthermore, a first half-mold-closing hole is formed in the right side surface of the first upper mold and penetrates through the first upper mold in the vertical direction;
a second semi-closed die hole is formed in the left side face of the second upper die and penetrates through the second upper die in the vertical direction;
and the first half die closing hole and the second half die closing hole are butted and combined into a complete die closing hole.
Furthermore, a plurality of upper die supporting columns are arranged on the positioning step, a first positioning hole is formed in the first upper die, a second positioning hole is formed in the second upper die, and the plurality of upper die supporting columns are arranged in the first positioning hole and the second positioning hole respectively to achieve die assembly positioning of the first upper die and the second upper die.
Furthermore, the lower packaging part also comprises a reserved channel, the reserved channel extends along the vertical direction, one end of the reserved channel is connected with the accommodating space, and the other end of the reserved channel extends to the bottom surface of the lower die.
Furthermore, the top surface of the positioning step sinks to be provided with a notch, and one end of the notch extends to the side surface of the lower die.
Further, when the number of the cavities is at least two, a flow passage is provided between adjacent two cavities to effect filling of the respective cavities with the resin.
Further, flow channel is the logical groove that sets up mould left surface on the second, the both ends that lead to the groove communicate two adjacent second respectively half chambeies, and the bottom that leads to the groove extends to mould bottom surface on the second.
The utility model has the advantages that:
1. the mounting position of the upper die is positioned by utilizing the positioning step on the lower die, a circle of gap is formed at the bottom of the resin after injection molding by the reserved platform in the lower packaging part, and the sealing ring can be mounted in the gap without additional processing procedures;
2. the positioning column is matched with a circuit board on the button switch and a through hole on the switch gland, and the switch gland and the circuit board are sequentially sleeved on the positioning column, so that the injection molding positioning is convenient, and the deviation of parts is avoided;
3. the accommodating space is matched with the switch gland, so that the outer surface of the switch gland can be positioned, the positioning effect is improved under the combined action of the accommodating space and the positioning column, and the stability of the button switch structure after injection molding is improved;
4. the wiring harness is convenient to install in a mode of combining the first upper die and the second upper die;
5. the upper die support is used for positioning the first upper die and the second upper die, so that the positions of the first upper die and the second upper die are convenient to fix, the injection molding efficiency is improved, and resin leakage is reduced;
6. the opening is convenient for the opening of the first upper die and the second upper die.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a view from a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 2.
Fig. 4 is a sectional view taken along line C-C in fig. 2.
Fig. 5 is a top view of the lower mold of the present invention.
Fig. 6 is a front sectional view of the lower mold of the present invention.
Fig. 7 is a left side view of the first upper die of the present invention.
Fig. 8 is a top view of fig. 7.
Fig. 9 is a right side view of the second upper die of the present invention.
Fig. 10 is a top view of fig. 9.
In the figure: 1-lower die, 2-first upper die, 3-second upper die, 101-positioning step, 102-lower packaging part, 1021-reserved platform, 1022-accommodating space, 1023-positioning column, 1024-riser, 1025-reserved channel, 103-upper die support column, 104-sprue, 105-gap, 201-first half cavity, 202-first half harness hole, 203-first half die hole, 204-first positioning hole, 301-second half cavity, 302-second half harness hole, 303-second half die hole, 304-second positioning hole, 305-through groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-4, the utility model provides a button switch injection mold, which comprises a lower mold 1, an upper mold, at least one mold cavity, at least one lower packaging part 102 and a gate 104, wherein a positioning step 101 is arranged at the top of the lower mold 1 in a sinking manner; the upper die is arranged on the positioning step 101; at least one die cavity is respectively arranged on the upper die and used for injecting and packaging resin of the button switch; at least one lower packaging part 102 is respectively arranged on the lower die 1, and the at least one lower packaging part 102 corresponds to the at least one die cavity one by one; a gate 104 penetrates through the lower die 1 along the vertical direction, and the gate 104 is communicated with the die cavity and used for filling resin into the die cavity; resin is filled into the die cavity through the sprue 104 to realize the injection molding of the button switch;
wherein, the lower packaging part 102 comprises a reserved platform 1021, a positioning column 1023 and a riser 1024; the reserved platform 1021 is arranged on the positioning step 101, so that the reserved platform 1021 forms an accommodating space 1022 on the inner side of the positioning step 101, and the size of the reserved platform 1021 is smaller than that of the bottom of the mold cavity; the resin after injection forms a circle of gaps at the reserved platform 1021, and the sealing ring can be installed in the gaps without additional processing procedures; the shape of the reserved platform 1021 is consistent with that of the sealing ring, and the reserved platform 1021 corresponding to the round or square sealing ring can be selected; the positioning column 1023 is positioned in the accommodating space 1022, the bottom of the positioning column 1023 is connected with the positioning step 101, and the top of the positioning column 1023 extends upwards along the vertical direction; when the switch pressing cover is used, the switch pressing cover is firstly placed into the containing space 1022, so that the round hole in the switch pressing cover penetrates through the positioning column 1023, meanwhile, the outer surface of the switch pressing cover is attached to the inner surface of the reserved platform 1021, the switch is placed into the groove in the top of the switch pressing cover, the circuit board is covered, the positioning column 1023 penetrates through the round hole in the circuit board, and the circuit board is positioned; a riser 1024 penetrates through the lower die 1 along the vertical direction, and the riser 1024 is communicated with the die cavity so that the resin overflows from the riser 1024 to the die cavity; the resin enters the die cavity from the bottom of the lower die 1 and is discharged out of the die cavity from the bottom of the lower die 1, and the resin enters and exits from the same side, so that the resin can be observed and cleaned conveniently.
In the application, the upper dies comprise a first upper die 2 and a second upper die 3, the bottom of the first upper die 2 is attached to the positioning step 101, the bottom of the second upper die 3 is attached to the positioning step 101, and the right side surface of the first upper die 2 is attached to the left side surface of the second upper die 3; the mould cavity is arranged between the first upper mould 2 and the second upper mould 3.
In the present application, the mold cavity comprises a first half cavity 201, a second half cavity 301, a first half beam hole 202, a second half beam hole 302; the first half cavity 201 is arranged at the lower right side of the first upper die 2; the second half cavity 301 is arranged on the left lower side of the second upper die 3 and is butted with the first half cavity 201 to form a complete die cavity; the first half harness hole 202 is arranged on the right side surface of the first upper die 2, one end of the first half harness hole is communicated with the first half cavity 201, and the other end of the first half harness hole extends to the top surface of the first upper die 2; the second half wire harness hole 302 is arranged on the left side surface of the second upper die 3, one end of the second half wire harness hole is communicated with the second half cavity 301, and the other end of the second half wire harness hole extends to the top surface of the second upper die 3; the first half-wire harness hole 202 and the second half-wire harness hole 302 are butted and combined to form a complete wire harness hole, and the wire harness hole is used for penetrating a power transmission line; because the end of the power transmission line far away from the circuit board is connected with the plug, the power transmission line cannot pass through a complete wire harness hole after being connected with the circuit board, and the problem that the power transmission line cannot be installed and injected can be effectively avoided by separately arranging the first half wire harness hole 202 and the second half wire harness hole 302 on the first upper die 2 and the second upper die 3; and first half cavity 201 and second half cavity 2301 are provided to mate with first half harness aperture 202 and second half harness aperture 302.
In some embodiments, the number of the harness apertures is at least one; when a plurality of relay circuits are connected in parallel on the circuit board, the number of the wire harness holes is multiple, and the relay circuits connected in parallel can be conveniently controlled to work by the same button switch.
In the present application, in order to facilitate the mold clamping of the first upper mold 2 and the second upper mold 3, a first half mold clamping hole 203 is formed in the right side surface of the first upper mold 2, and the first half mold clamping hole 203 penetrates through the first upper mold 2 in the vertical direction; a second half-mold hole 303 is formed in the left side surface of the second upper mold 3, and the second half-mold hole 303 penetrates through the second upper mold 3 in the vertical direction; the first half die assembly hole 203 and the second half die assembly hole 303 are combined into a complete die assembly hole in an abutting mode.
In the present application, a plurality of upper mold supports 103 are disposed on the positioning step 101, a first positioning hole 204 is disposed on the first upper mold 2, a second positioning hole 304 is disposed on the second upper mold 3, and the plurality of upper mold supports 103 are disposed in the first positioning hole 204 and the second positioning hole 304, respectively, so as to realize mold closing positioning of the first upper mold 2 and the second upper mold 3; specifically, the number of the first positioning holes 204 is two and is respectively connected to two upper mold supports 103, and the number of the second positioning holes 304 is one and is connected to one upper mold support 103.
As an embodiment of the present application, the lower packaging part 102 further includes a reserved channel 1025, the reserved channel 1025 extends in a vertical direction, one end of the reserved channel 1025 is connected to the accommodating space 1022, and the other end of the reserved channel extends to the bottom surface of the lower mold 1; the reservation channel 1025 is convenient for install the soft stopper to the switch gland in the later stage, realizes the control to the switch through pressing the soft stopper.
In order to facilitate the demoulding of the first upper die 2 and the second upper die 3, a notch 105 is formed in the top surface of the positioning step 101 in a sinking manner, and one end of the notch 105 extends to the side surface of the lower die 1; specifically, two pairs of the notches 105 are provided, and are respectively and correspondingly arranged at the left edge and the right edge of the positioning step 101.
As an embodiment of the present application, when the number of the cavities is at least two, a flow channel is provided between two adjacent cavities to achieve filling of the respective cavities with resin; specifically, the flow channel is a through groove 305 disposed on the left side surface of the second upper mold 3, two ends of the through groove 305 are respectively communicated with two adjacent second half cavities 301, and the bottom of the through groove 305 extends to the bottom surface of the second upper mold 3.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a button switch injection mold which characterized in that: comprises that
The top of the lower die (1) is provided with a positioning step (101) in a sinking way;
the upper die is arranged on the positioning step (101);
at least one mold cavity respectively arranged on the upper mold and used for injecting and packaging resin of the button switch;
the lower packaging parts (102) are respectively arranged on the lower die (1), and the lower packaging parts (102) correspond to the die cavities one by one; and
the pouring gate (104) penetrates through the lower die (1) along the vertical direction, and the pouring gate (104) is communicated with the die cavity and used for filling resin into the die cavity;
wherein the lower package part (102) comprises
The reserved platform (1021) is arranged on the positioning step (101) so that the reserved platform (1021) forms an accommodating space (1022) on the inner side of the positioning step (101), and the size of the reserved platform (1021) is smaller than that of the bottom of the mold cavity;
the positioning column (1023) is positioned in the accommodating space (1022), the bottom of the positioning column (1023) is connected with the positioning step (101), and the top of the positioning column extends upwards along the vertical direction; and
and the riser (1024) penetrates through the lower die (1) along the vertical direction, and the riser (1024) is communicated with the die cavity so that the resin overflows from the riser (1024) to the die cavity.
2. The push button switch injection mold according to claim 1, wherein:
the upper dies comprise a first upper die (2) and a second upper die (3), the bottom of the first upper die (2) is attached to the positioning step (101), the bottom of the second upper die (3) is attached to the positioning step (101), and the right side surface of the first upper die (2) is attached to the left side surface of the second upper die (3);
the mould cavity is arranged between the first upper mould (2) and the second upper mould (3).
3. The push button switch injection mold according to claim 2, characterized in that: the mold cavity comprises
A first half cavity (201) arranged at the right lower side of the first upper die (2);
the second half cavity (301) is arranged at the left lower side of the second upper die (3) and is butted with the first half cavity (201) to form a complete die cavity;
the first half wiring harness hole (202) is formed in the right side face of the first upper die (2), one end of the first half wiring harness hole is communicated with the first half cavity (201), and the other end of the first half wiring harness hole extends to the top face of the first upper die (2);
the second half wire harness hole (302) is formed in the left side face of the second upper die (3), one end of the second half wire harness hole is communicated with the second half cavity (301), and the other end of the second half wire harness hole extends to the top face of the second upper die (3);
the first half wire harness hole (202) and the second half wire harness hole (302) are butted and combined to form a complete wire harness hole, and the wire harness hole is used for penetrating a transmission line.
4. The push button switch injection mold of claim 3, wherein: the number of the harness holes is at least one.
5. The push button switch injection mold of claim 2, wherein: a first half die closing hole (203) is formed in the right side surface of the first upper die (2), and the first half die closing hole (203) penetrates through the first upper die (2) in the vertical direction;
a second half-mold-closing hole (303) is formed in the left side face of the second upper mold (3), and the second half-mold-closing hole (303) penetrates through the second upper mold (3) in the vertical direction;
and the first half die closing hole (203) and the second half die closing hole (303) are butted and combined into a complete die closing hole.
6. The push button switch injection mold according to any one of claims 2 to 5, wherein: the die-closing positioning device is characterized in that a plurality of upper die supporting columns (103) are arranged on the positioning step (101), a first positioning hole (204) is formed in the first upper die (2), a second positioning hole (304) is formed in the second upper die (3), and the plurality of upper die supporting columns (103) are respectively arranged in the first positioning hole (204) and the second positioning hole (304) so as to realize die-closing positioning of the first upper die (2) and the second upper die (3).
7. The push button switch injection mold according to any one of claims 2 to 5, wherein: the lower packaging part (102) further comprises a reserved channel (1025), the reserved channel (1025) extends in the vertical direction, one end of the reserved channel (1025) is connected to the accommodating space (1022), and the other end of the reserved channel extends to the bottom surface of the lower die (1).
8. The push button switch injection mold according to any one of claims 1 to 5, wherein: the top surface of the positioning step (101) sinks to be provided with a notch (105), and one end of the notch (105) extends to the side surface of the lower die (1).
9. The push button switch injection mold according to any one of claims 3 to 5, wherein: when the number of the die cavities is at least two, a flow channel is arranged between two adjacent die cavities so as to fill each die cavity with resin.
10. The push button switch injection mold of claim 9, wherein: the flow channel is a through groove (305) arranged on the left side surface of the second upper die (3), two ends of the through groove (305) are respectively communicated with two adjacent second half cavities (301), and the bottom of the through groove (305) extends to the bottom surface of the second upper die (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221360891.8U CN217834530U (en) | 2022-06-01 | 2022-06-01 | Button switch injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221360891.8U CN217834530U (en) | 2022-06-01 | 2022-06-01 | Button switch injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217834530U true CN217834530U (en) | 2022-11-18 |
Family
ID=84022174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221360891.8U Active CN217834530U (en) | 2022-06-01 | 2022-06-01 | Button switch injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217834530U (en) |
-
2022
- 2022-06-01 CN CN202221360891.8U patent/CN217834530U/en active Active
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