CN217777663U - USB CM external mold - Google Patents
USB CM external mold Download PDFInfo
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- CN217777663U CN217777663U CN202221768922.3U CN202221768922U CN217777663U CN 217777663 U CN217777663 U CN 217777663U CN 202221768922 U CN202221768922 U CN 202221768922U CN 217777663 U CN217777663 U CN 217777663U
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Abstract
The utility model provides a USB CM external mold, which comprises a mold strip, an upper mold and a lower mold matched with the upper mold; the upper die is provided with an upper die strip groove and a plurality of upper die cavities, each upper die cavity is connected with an upper injection groove, an upper injection hole is formed in the joint of the upper die cavity and the upper injection groove, the upper injection groove is connected with an upper injection port, the upper injection groove further comprises an upper injection groove initial section, and the upper injection groove is connected with the upper injection port; lower mould strip groove and a plurality of die cavity down have been seted up on the bed die, every die cavity down is connected with the silo of making a bet, and the die cavity down is provided with the hole of making a bet with the silo junction of making a bet, and the silo of making a bet is connected with the feed opening, and the silo of making a bet still includes the silo initial segment of making a bet, and the silo initial segment of making a bet is disconnected with the feed opening of making a bet. The utility model provides an among the prior art because the sizing material arrives each die cavity time on the mould and varies, lead to the uneven problem of product quality after the shaping.
Description
Technical Field
The utility model relates to a USB processing technology field, concretely relates to USB CM external mold.
Background
USB is an external bus standard for standardizing the connection and communication between a computer and external devices, and is an interface technology applied in the field of PCs. The universal serial bus (usb) is an emerging data communication mode gradually replacing other interface standards, and is jointly established by computer companies and communication companies such as Intel, compaq, digital, IBM, microsoft, NEC, and Northern Telecom in 1995, and gradually forms an industry standard. The USB bus is used as a high-speed serial bus, the application environment requirement of high-speed data transmission can be met due to the extremely high transmission speed of the USB bus, and the USB bus also has the advantages of being simple in power supply, convenient to install and configure, simple and easy in expansion port, diversified in transmission mode, good in compatibility and the like.
The USB CM outer mold is usually formed by injection molding, but the pressure for injection molding is very important in the injection molding process of USB. When the injection molding pressure is too high, the product is over-saturated, and the shrinkage rate is insufficient during cooling; when the injection pressure is too small, the cavity may be insufficiently filled, resulting in defective molded products.
In the prior art, in the process of forming the external mold of the USB CM, in order to improve the forming efficiency of the product, a plurality of mold cavities are formed on a forming mold, so as to achieve the purpose of forming a plurality of products at one time. However, the distances between the mold cavities and the material injection port are different, so that the time for the sizing material to reach the mold cavities in the same mold is different, and the quality of the molded product is uneven.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a USB CM external mold utensil for solve among the prior art because the sizing material reachs on the mould each die cavity time and varies, lead to the uneven technical problem of product quality after the shaping.
In order to achieve the above object, an embodiment of the present invention provides a USB CM external mold, which includes a mold strip, an upper mold, and a lower mold matching with the upper mold;
the upper die is provided with an upper die strip groove and a plurality of upper die cavities, each upper die cavity is connected with an upper injection groove, an upper injection hole is formed in the joint of the upper die cavity and the upper injection groove, the upper injection hole is communicated with the upper injection groove and the upper die cavity, the upper injection groove is connected with an upper injection port, the upper injection groove further comprises an upper injection groove initial section, and the upper injection groove is connected with the upper injection port;
the lower die is provided with a lower die strip groove and a plurality of lower die cavities, each lower die cavity is connected with a lower injection groove, a lower injection hole is formed in the joint of the lower die cavity and the lower injection groove, the lower injection hole is communicated with the lower injection groove and the lower die cavity, the lower injection groove is connected with a lower injection port, the lower injection groove further comprises a lower injection groove initial section, and the lower injection groove initial section is not connected with the lower injection port;
a plurality of grooves are formed in one side, close to the lower die cavity, of the die strip, a positioning sheet is arranged in each groove, and a flow channel is further formed in the die strip and communicated with the upper injection groove and the lower injection groove;
the upper die cavity is matched with the lower die cavity, and the die strip is arranged in the upper die strip groove and the lower die strip groove.
The utility model discloses a solve the problem that USB production efficiency is low, it is the same with the quantity of last die cavity and lower die cavity preferably in the quantity of recess, and the position one-to-one.
Preferably, the upper die is provided with a plurality of positioning pieces.
Preferably, the lower die is provided with a plurality of positioning holes, and the positioning piece is embedded into the positioning holes.
Preferably, the upper die and the lower die are both provided with a plurality of wire grooves, and each wire groove is connected with the die cavity.
Preferably, the upper die and the lower die are both provided with a placing cavity.
Preferably, a plurality of water cooling holes are formed in the upper die and the lower die, and each water cooling hole is located in the front surface and the rear surface of the upper die and the rear surface of the lower die.
To sum up, the beneficial effects of the utility model are that:
1. the utility model discloses an all seted up the die cavity on last mould and the bed die, mould strip groove and notes silo, it communicates with each other with the sprue to annotate the silo, the last initial section of annotating in the silo communicates with each other with last sprue simultaneously, the initial section of the silo of making a bet in the silo does not meet with lower sprue, thereby make the sizing material in the sprue flow out the back from the sprue, the flow space of sizing material in the initial section of annotating the silo is less than the flow space in the silo of annotating that the sprue other end is connected, and then make under the same injection pressure, the sizing material velocity of flow in the silo of annotating is greater than the sizing material velocity of flow in the initial section of annotating the silo, with the speed unanimity of feeding in guaranteeing a plurality of die cavities, and the quality of fashioned product can not appear the uneven problem because of the distance of die cavity and sprue in each die cavity.
2. The utility model discloses a die cavity on the mould is provided with the notes hole of gluing with the junction of notes silo, and the notes hole all communicates with each other with notes silo and die cavity. The glue injection holes are arranged to reduce and furl the feeding points of the products, so that the feeding point traces on the appearance of the products are as small as possible, and the quality of the formed products is guaranteed.
3. The utility model discloses an upper die is last to be provided with a plurality of setting elements, has seted up a plurality of locating holes on the bed die to in the setting element embedding locating hole. Be equipped with the locating hole and the setting element be convenient for go up the mould and the cooperation of being connected between the bed die for the contact between last mould and the bed die is more compact not hard up, thereby has increased the fashioned stability of product, has reduced the defective rate of product.
Drawings
Fig. 1 is a top view of a lower mold according to an embodiment of the present invention;
fig. 2 is a top view of an upper mold in an embodiment of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2 according to an embodiment of the present invention;
FIG. 4 is a top view of a die strip in an embodiment of the present invention;
FIG. 5 is a front view of a die strip in an embodiment of the present invention;
fig. 6 is a schematic diagram of a USB CM interface according to an embodiment of the present invention;
fig. 7 is a schematic view of a groove and a spacer according to an embodiment of the present invention.
Wherein, 1-an upper die, 2-a lower die, 3-a die strip, 4-an upper die strip groove, 5-an upper die cavity, 6-an upper injection groove, 7-an upper injection hole, 8-an upper injection port, 9-an upper injection groove initial section, 10-a lower die strip groove, 11-lower die cavity, 12-lower feed groove, 13-lower feed opening, 14-lower feed groove initial section, 15-groove, 16-positioning piece, 17-flow channel, 18-positioning piece, 19-positioning hole, 20-wire material groove and 21-placing cavity.
Detailed Description
The utility model provides a USB CM external mold utensil is applicable to the shaping of USB3.0 CM interface, and it includes mould strip 3, goes up mould 1 and with 1 matched with bed die 2 of last mould. The die bars 3 are fixed in the die bar grooves of the upper die 1 and the lower die 2, respectively, described below.
Go up silo 6 intercommunication and have last sprue 8, go up silo 6 and still include silo initial segment 9 of annotating, go up silo initial segment 9 and be located the one end that last sprue 8 kept away from last mould groove 4 to go up silo 6 and last sprue 8 and be linked together.
Lower mould strip groove 10 and a plurality of die cavity 11 down have been seted up on the lower mould 2, every die cavity 11 is connected with lower silo 12, and lower die cavity 11 is provided with down the jiao dong hole with lower silo 12 junction, it all communicates with each other with lower silo 12 and lower die cavity 11 to make the jiao dong hole, lower silo 12 communicates there is lower feed opening 13, lower silo 12 still includes lower silo initial segment 14, lower silo initial segment 14 is located lower feed opening 13 and keeps away from the one end in lower mould strip groove 10, and lower silo initial segment 14 is disconnected from lower feed opening 13.
Go up last injection groove initial segment 9 in the injection groove 6 and be connected with last sprue 8, the injection groove initial segment 14 that makes a bet in the injection groove 12 does not meet with lower sprue 13, the feed rate of the balanced die cavity of aim at that sets up like this to avoid each die cavity problem that the feeding is inhomogeneous to appear. After the upper die 2 and the lower die 1 are assembled, the rubber material in the feeding port can be divided into two parts to enter the die cavity, wherein one part of the rubber material flows through the runner 17 on the die strip 3 and then enters the die cavity, and the flowing path of the rubber material is larger than that of the other part of the rubber material which directly enters the die cavity through the feeding groove, so that the problem of uneven feeding can occur; go up last injection groove initial segment 9 in the injection groove 6 and be connected with last sprue 8, when the first segment 14 of the lower injection groove in the lower injection groove 12 does not meet with lower sprue 13, the circulation space of sizing material in the first segment of injection groove is less than the circulation space in the injection groove, and then make under the same injection pressure, the sizing material velocity of flow in the injection groove is greater than the sizing material velocity of flow in the first segment of injection groove, in order to guarantee the speed unanimity of feeding in a plurality of die cavitys, and then make the quality of fashioned product can not appear uneven problem because of the die cavity is unequal with the distance of sprue in a plurality of die cavities.
The upper die cavity 5 is matched with the lower die cavity 11, and the die strip 3 is arranged in the upper die strip groove 4 and the lower die strip groove 10. A plurality of grooves 15 are formed in one side, close to the lower die cavity 11, of the die strip 3, the number of the grooves 15 is the same as that of the upper die cavity 5 and that of the lower die cavity 11, and the positions of the grooves correspond to those of the lower die cavity 11 one by one. Each groove 15 is provided with a positioning piece 16, and when a product is formed, the rubber enters a space between each groove 15 and each positioning piece 16. The mould strip 3 is also provided with a runner 17, the runner 17 is communicated with the upper injection groove 6 and the lower injection groove 12, and the lower injection groove 12 is matched with the upper injection groove 6 and the runner 17 together to finish the molding of materials from the injection port to the mould cavity. The material for product molding enters the mold through the material injection port, flows along the initial section of the material injection groove, the material injection groove and the flow passage 17, and reaches the mold cavity to complete the product molding. The lower injection chute 12 cooperates with the upper injection chute 6 and the runner 17 for completing the molding material from the injection port to the mold cavity.
The upper mould 1 is provided with a plurality of positioning elements 18. The lower die 2 is provided with a plurality of positioning holes 19, and the positioning members 18 are embedded in the positioning holes 19. The positioning holes 19 and the positioning pieces 18 are arranged, so that the upper die 1 and the lower die 2 are connected and matched conveniently, the upper die 1 and the lower die 2 are contacted more compactly and are not loosened, the stability of product forming is improved, and the reject ratio of products is reduced.
All seted up a plurality of water-cooling holes on last mould 1 and the bed die 2, every water-cooling hole all is located the front and back surface of last mould 1 and bed die 2. All seted up a plurality of wire rod grooves 20 on last mould 1 and the bed die 2, every wire rod groove 20 is connected with the die cavity, and wire rod groove 20 is arranged in being connected fixedly between wire rod and the USB CM interface of product forming process. The upper die 1 and the lower die 2 are both provided with a placing cavity 21, and the placing cavity 21 is used for placing wires, so that the wires cannot be damaged when the dies are closed.
The working principle and the process are as follows: fixing the mould strip 3 in the lower mould strip groove 10 of the lower mould 2, moving the upper mould 1 to complete the mould closing of the upper mould 1 and the lower mould 2, ensuring the mutual matching among the mould strip 3, the upper mould 1 and the lower mould 2, injecting the material for product forming into the mould through the injection port, and enabling the rubber material in the mould to flow into the mould cavity through the initial section of the injection groove, the injection groove and the flow channel 17, thereby completing the product forming.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (7)
1. The utility model provides a USB CM external mold utensil which characterized in that: comprises a mould strip, an upper mould and a lower mould matched with the upper mould;
the upper die is provided with an upper die strip groove and a plurality of upper die cavities, each upper die cavity is connected with an upper injection groove, an upper injection hole is formed in the joint of the upper die cavity and the upper injection groove, the upper injection hole is communicated with the upper injection groove and the upper die cavity, the upper injection groove is connected with an upper injection port, the upper injection groove further comprises an upper injection groove initial section, and the upper injection groove is connected with the upper injection port;
the lower die is provided with a lower die strip groove and a plurality of lower die cavities, each lower die cavity is connected with a lower injection groove, a lower injection hole is formed in the joint of the lower die cavity and the lower injection groove, the lower injection hole is communicated with the lower injection groove and the lower die cavity, the lower injection groove is connected with a lower injection port, the lower injection groove further comprises a lower injection groove initial section, and the lower injection groove initial section is not connected with the lower injection port;
a plurality of grooves are formed in one side, close to the lower die cavity, of each die strip, a positioning sheet is arranged in each groove, a runner is further arranged on each die strip, and the runners are communicated with the upper injection groove and the lower injection groove;
the upper die cavity is matched with the lower die cavity, and the die strip is arranged in the upper die strip groove and the lower die strip groove.
2. The USB CM outer mold according to claim 1, wherein: the number of the grooves is the same as that of the upper die cavity and the lower die cavity, and the grooves correspond to the upper die cavity and the lower die cavity in position one to one.
3. The USB CM overmold of claim 1, wherein: the upper die is provided with a plurality of positioning pieces.
4. The USB CM overmold of claim 3, wherein: a plurality of positioning holes are formed in the lower die, and the positioning pieces are embedded into the positioning holes.
5. The USB CM overmold of claim 1, wherein: and the upper die and the lower die are both provided with a plurality of wire grooves, and each wire groove is connected with the die cavity.
6. The USB CM overmold of claim 1, wherein: the upper die and the lower die are both provided with placing cavities.
7. The USB CM overmold of claim 1, wherein: a plurality of water cooling holes are formed in the upper die and the lower die, and each water cooling hole is located in the front surface and the rear surface of the upper die and the lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221768922.3U CN217777663U (en) | 2022-07-08 | 2022-07-08 | USB CM external mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221768922.3U CN217777663U (en) | 2022-07-08 | 2022-07-08 | USB CM external mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217777663U true CN217777663U (en) | 2022-11-11 |
Family
ID=83938281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221768922.3U Active CN217777663U (en) | 2022-07-08 | 2022-07-08 | USB CM external mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217777663U (en) |
-
2022
- 2022-07-08 CN CN202221768922.3U patent/CN217777663U/en active Active
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