Connector injection mold and connector injection molding machine

Abstract

The utility model relates to the technical field of molds, in particular to a connector injection mold and a connector injection molding machine. The connector injection mold comprises an upper mold and a lower mold, and the upper mold and the lower mold can be closed together; the material moving module is arranged beside the lower die and comprises a material seat, a first limiting plate arranged on the material seat and a driving wheel arranged on the material seat; materials are placed on the material base and driven by the driving wheel to move. The upper die comprises an upper die core plate, an upper die core arranged on the upper die core plate, and an upper limiting seat arranged beside the upper die core plate; the lower die comprises a lower die core plate, a lower die core arranged on the lower die core plate, and a lower limiting seat arranged beside the lower die core plate; a first channel is formed between the upper limiting base and the lower limiting base, and a material belt on materials passes through the first channel. The material moving module enables the material belt not to be cut into sections, and working procedures are saved. And the driving wheel drives the material belt to be continuously fed into the mold, so that the feeding efficiency is more coherent, and the production efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially is a kind of connector injection mould and connector injection molding machine. BACKGROUND

[0002] Connector is an indispensable component in electronic equipment, mainly used to connect two active devices, transmit current or signal.‌The inside of connector usually has glue core, terminal. When producing, copper plate is first punched out the shape of terminal in stamping die, then the die injection molding terminal and glue core together.

[0003] Connector is widely used in various electronic equipment, so the demand is very large. Some moulds on the market will cut the material belt into segments when producing, each segment of material belt has several terminals, and the terminal is loaded into injection mold by artificial or mechanical hand during injection molding. This feeding mode has the problem of low feeding efficiency, which affects production efficiency.

[0004] For example, Chinese patent application No. CN200710173062.2 discloses a small terminal continuous material belt whole embedded injection mold, characterized in that: it includes a plurality of movable plates for placing continuous material belt metal small terminals, an injection mold male die embedded in the movable plate, and an injection mold female die for mold injection molding; the small terminal continuous material belt whole embedded injection mold adopts the mode of placing continuous material belt metal small terminals on a plurality of movable plates first, then putting a movable plate into the injection mold male die, and then mold injection molding through the injection mold female die to form a product. The movable plate is ejected from the injection mold male die with the product, and another movable plate with continuous material belt metal small terminals is placed into the injection mold male die for the next injection molding to form a product. This process is repeated. The mode of placing continuous material belt metal small terminals on a plurality of movable plates first, then putting a movable plate into the injection mold male die, this design is to cut the material belt into segments, each segment of terminal has several terminals, and the terminal is loaded into injection mold by artificial or mechanical hand during injection molding, which has the problem of low feeding efficiency, affecting production efficiency.

[0005] For example, Chinese Patent Application No. CN202120656070.8 discloses an SMP connector automatic production equipment based on a six-axis manipulator, which specifically discloses that a center needle can be automatically placed into an SMP connector injection mold without manual placement, avoiding the high-temperature environment of the injection mold and eliminating safety hazards, thereby greatly improving product quality and production efficiency, realizing high-quality control of products, reducing labor loss, and greatly reducing labor costs. This design also cuts the material belt into segments, each segment having a plurality of terminals, and loads the terminals into the injection mold by manual or mechanical hand during injection molding, which has the problem of low feeding efficiency, affecting production efficiency. Utility model content

[0006] Therefore, the utility model mainly aims at the defects of the prior art, and provides a connector injection mold, which has consecutive feeding and high feeding efficiency, and helps to improve production efficiency, so as to overcome the defects of the prior art.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] The application provides a connector injection mold, which comprises an upper mold and a lower mold, the upper mold and the lower mold can be closed together; a material moving module is arranged beside the lower mold, the material moving module comprises a material seat, a first limiting plate arranged on the material seat, and a driving wheel arranged on the material seat; the material is placed on the material seat, and the driving wheel drives the material to move; the upper mold comprises an upper mold core plate, an upper mold core arranged on the upper mold core plate, and an upper limiting seat arranged beside the upper mold core plate; the lower mold comprises a lower mold core plate, a lower mold core arranged on the lower mold core plate, and a lower limiting seat arranged beside the lower mold core plate; a first channel is formed between the upper limiting seat and the lower limiting seat, and a material belt on the material passes through the first channel.

[0009] Preferably, a material belt hole is arranged on the material belt; and a protruding part is arranged on the driving wheel, which can be inserted into the material belt hole.

[0010] Preferably, a material groove is arranged on the material seat; the material is in the material groove, and the material belt is arranged on the support surface on both sides of the groove opening of the material groove; the first limiting plate is located on the upper side of the support surface and can limit the material belt.

[0011] Preferably, the driving wheel protrudes from the inner side wall of the material groove; the structure of the protruding part is conical and can extend into the avoiding groove on the first limiting plate.

[0012] Preferably, the material moving module is arranged on the feeding side and the discharging side of the lower mold, a plurality of upper mold cores are arranged on the upper mold core plate, and a plurality of lower mold cores are arranged on the lower mold core plate.

[0013] Preferably, at least two of the driving wheels are arranged on a driving shaft, the driving shaft is connected with an output end of the servo motor, and the number of rows of the upper mold core and the lower mold core matches the number of the driving wheels.

[0014] Preferably, the lower mold further comprises a lower mold base and a ejector seat arranged on the lower mold base, and a ejector pin is arranged on the ejector seat and can be ejected from the lower mold core.

[0015] Preferably, a spring rod and a first guide rod are arranged between the lower mold base and the lower mold core plate, and the lower mold core plate can move back and forth under the action of the spring rod and the first guide rod.

[0016] Preferably, the upper mold further comprises a nozzle plate, a injection nozzle arranged on the nozzle plate, and a runner plate connected with the injection nozzle, and a plurality of branch runners are arranged on the runner plate, and each branch runner is connected with a corresponding upper mold core.

[0017] The application provides a connector injection molding machine, comprising the connector injection molding mold.

[0018] Compared with the prior art, the material moving module saves the process without needing to cut the material belt. The driving wheel of the material moving module can drive the material belt to advance, and then continuously feed the terminal into the mold. The feeding efficiency is more continuous, and the production efficiency is improved.

[0019] When the material moving module works, the connector is placed on the material seat, the first limiting plate limits the material belt, the driving wheel drives the material belt to advance, and then the terminal is continuously fed into the mold for injection molding. The feeding mode is more simple and continuous, the waiting time for feeding is shortened, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the overall schematic diagram of the embodiment of the utility model.

[0021] Figure 2 is the top view schematic diagram of the embodiment of the utility model.

[0022] Figure 3 is the partial structure schematic diagram of the embodiment of the utility model. Figure 2 is the B_B schematic diagram of the embodiment of the utility model.

[0023] Figure 4 is the E_E schematic diagram of the embodiment of the utility model. Figure 2

[0024] Figure 5 is the partial structure schematic diagram of the embodiment of the utility model. ​

[0025] Figure 6 This is a schematic diagram of material entering the mold according to an embodiment of the present invention.

[0026] Figure 7 This is an embodiment of the present utility model. Figure 5 A diagram showing the view from below.

[0027] Figure 8 This is a schematic diagram of the upper and lower mold cores in an embodiment of this utility model.

[0028] Figure 9 This is a schematic diagram of a material transfer module according to an embodiment of the present invention.

[0029] Explanation of reference numerals in the attached diagram:

[0030] 10. Connector; 11. Strip; 12. Strip hole; 20. Upper mold; 21. Upper mold core plate; 22. Upper mold core; 23. Upper limit seat; 24. Sprue plate; 25. Runner plate; 26. Injection nozzle; 30. Lower mold; 31. Lower mold core plate; 32. Lower mold core; 33. Lower limit seat; 34. First channel; 35. Lower mold base; 36. Ejector pin seat; 37. Spring rod; 38. First guide rod; 40. Material transfer module; 41. Material seat; 42. Material groove; 43. Support surface; 44. First limit plate; 45. Clearance groove; 46. Drive shaft; 47. Drive wheel; 48. Protrusion. Detailed Implementation

[0031] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0032] Please refer to Figures 1 to 9 As shown, it illustrates the specific structure of a preferred embodiment of the present invention, which is a connector injection mold.

[0033] The material transfer module 40 can continuously feed the connector into the injection mold, shortening the material loading waiting time and improving loading efficiency, which helps to improve production efficiency. At the same time, with the material transfer module 40 installed, the material strip 11 does not need to be cut, reducing the number of processes and reducing costs.

[0034] The application provides a connector 10 injection mold, which comprises an upper mold 20 and a lower mold 30, the upper mold 20 and the lower mold 30 can be closed together; a material moving module 40 is arranged beside the lower mold 30, the material moving module 40 comprises a material seat 41, a first limiting plate 44 arranged on the material seat 41, and a driving wheel 47 arranged on the material seat 41; the material is placed on the material seat 41, and the driving wheel 47 drives the material to move; the upper mold 20 comprises an upper mold core plate 21, an upper mold core 22 arranged on the upper mold core plate 21, and an upper limiting seat 23 arranged beside the upper mold core plate 21; the lower mold 30 comprises a lower mold core plate 31, a lower mold core 32 arranged on the lower mold core plate 31, and a lower limiting seat 33 arranged beside the lower mold core plate 31; a first channel 34 is formed between the upper limiting seat 23 and the lower limiting seat 33, and a material belt 11 on the material passes through the first channel 34. The injection mold in the embodiment can be used for injection molding a terminal and a tongue plate together, can be used for injection molding a semi-finished product (terminal+tongue plate) and a base together, and can be used for injection molding a terminal and an insulating rubber core (base+tongue plate) together. The semi-finished product (terminal+tongue plate) and the base are injection molded together in the drawing. When the upper mold 20 and the lower mold 30 are closed together, the upper mold core 22 and the lower mold core 32 are closed together, injection material is injected into a cavity formed between the upper mold core 22 and the lower mold core 32 from an injection port, a cooling port is arranged on the injection material, and the base wraps the tongue plate and the terminal. The upper mold 20 and the lower mold 30 are opened, a ejector pin lifts the product in the cavity, the material moving module 40 drives the material belt 11 to advance, so that new material enters the injection mold, and then injection is performed. When the material belt 11 passes through the first channel 34, the inner bottom wall of the first channel 34 supports the bottom surface of the material belt 11, so that the material belt 11 can slide in the first channel 34 and will not be bent. The material refers to the connector 10.

[0035] The working principle of the material moving module 40 is as follows: the material belt 11 is placed on the material seat 41, the first limiting plate 44 is arranged on the upper side of the material belt 11 and limits the material belt 11. The driving wheel 47 drives the material belt 11 to enter the first channel 34 formed between the upper limiting seat 23 and the lower limiting seat 33, and then the terminal enters the cavity, and then the injection mold is closed and injection is started. The material moving module 40 enables the material belt 11 to be continuously and continuously input into the mold without being cut, the material belt 11 can be in a roll or a strip shape, and this material loading mode is high in efficiency, low in cost, and helps to improve production efficiency. In addition, the material moving module 40 can be matched with multiple molds, for example, a punching mold for punching terminals, a first injection mold (terminal+tongue plate), and a second injection mold (base+semi-finished product), which helps to closely connect various processes.

[0036] Preferably, the material belt 11 is provided with a material belt hole 12; the driving wheel 47 is provided with a protrusion 48 which can be inserted into the material belt hole 12. The driving wheel 47 can be driven to rotate by a servo motor. When the driving wheel 47 presses on the material belt 11, the protrusion 48 is inserted into the material belt hole 12, and the rotation of the driving wheel 47 can drive the material belt 11 to advance, so that the terminals can enter the cavity. The protrusion 48 and the material belt hole 12 are precisely matched, which can well control the number of semi-finished products entering the injection mold each time.

[0037] Preferably, the material seat 41 is provided with a material groove 42; the connector 10 is in the material groove 42, and the material belt 11 is placed on the support surface 43 on both sides of the groove of the material groove 42; the first limiting plate 44 is located on the upper side of the support surface 43 and can limit the material belt 11.

[0038] Preferably, the driving wheel 47 protrudes from the inner side wall of the material groove 42; the structure of the protrusion 48 is conical and can extend into the avoiding groove 45 on the first limiting plate 44.

[0039] Preferably, the feeding side and the discharging side of the lower mold 30 are both provided with the material moving mold set 40, the upper mold core plate 21 is provided with a plurality of upper mold cores 22, and the lower mold core plate 31 is provided with a plurality of lower mold cores 32. The two groups of material moving mold sets 40 move synchronously and drive the material belt 11 to advance at the same time, which can help demolding and avoid material jamming.

[0040] Preferably, at least two driving wheels 47 are arranged on the driving shaft 46, the driving shaft 46 is connected with the output end of the servo motor, and the number of rows of upper mold cores 22 and lower mold cores 32 matches the number of driving wheels 47. The servo motor drives the driving shaft 46 to rotate, and the driving wheels 47 rotate synchronously. There are two driving wheels 47 in the embodiment, which can drive two groups of material belts 11 to advance at the same time. There are two rows of upper mold cores 22 and lower mold cores 32, so the injection mold can successively inject a plurality of terminals and can produce in large quantities.

[0041] Preferably, the lower mold 30 further comprises a lower mold seat 35 and a ejector pin seat 36 arranged on the lower mold seat 35; the ejector pin seat 36 is provided with an ejector pin which can be ejected from the lower mold core 32. The ejector pin seat 36 can drive the ejector pin to move up and down. When the ejector pin moves upward, the ejector pin is ejected from the lower mold core 32, so that the product can come out of the cavity and facilitate demolding.

[0042] Preferably, the lower die base 35 and the lower die core plate 31 are provided with a spring rod 37 and a first guide rod 38; the lower die core plate 31 can move back and forth in the spring rod 37 and the first guide rod 38. When the mold is opened, the lower die core plate 31 and the lower die core 32 are driven downward by the compressor platform, the spring rod 37 is compressed, the lower die core plate 31 moves downward a certain distance in the first guide rod 38, the ejector pin is ejected from the cavity, which facilitates demolding. When the lower die core plate 31 moves downward, the material belt 11 will be supported by the inner bottom wall of the first channel 34, and the material belt 11 will not be bent.

[0043] Preferably, the upper die 20 further comprises a nozzle plate 24, a material injection nozzle 26 arranged on the nozzle plate 24, and a runner plate 25 connected with the material injection nozzle 26; the runner plate 25 is provided with a plurality of branch runners, each of which is connected with a corresponding upper die core 22. The main runner communicates with the branch runners, and the branch runners correspond to a cavity, so that the mold can complete the injection molding of multiple products at a time, and the working efficiency is very high.

[0044] The application provides a connector 10 injection molding machine, which comprises the connector 10 injection mold.

[0045] In summary, the design of the utility model focuses on the fact that the material moving module 40 enables the material belt 11 to be cut without being segmented, thereby saving processes and costs. The driving wheel 47 of the material moving module 40 can drive the material belt 11 to advance, and the terminals are continuously fed into the injection mold. This feeding mode is very coherent, the process is more coherent, and the production efficiency is improved.

[0046] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above, it is not intended to limit the utility model. Any person skilled in the art can make some changes or modifications to the above-mentioned technical content without departing from the scope of the utility model technical solution, and any simplification, modification, equivalent change and modification of the above-mentioned embodiment without departing from the scope of the utility model technical solution are still within the scope of the utility model technical solution.

Claims

1. A connector injection mold comprising an upper mold and a lower mold, the upper mold and the lower mold being closable together; characterized in that: The material moving module is arranged beside the lower mold, and includes a material seat, a first limiting plate arranged on the material seat, and a driving wheel arranged on the material seat; the material is placed on the material seat, and the driving wheel drives the material to move; The upper mold includes an upper mold core plate, an upper mold core arranged on the upper mold core plate, and an upper limiting seat arranged beside the upper mold core plate; The lower mold includes a lower mold core plate, a lower mold core arranged on the lower mold core plate, and a lower limiting seat arranged beside the lower mold core plate; a first channel is formed between the upper limiting seat and the lower limiting seat, and a material belt on the material passes through the first channel.

2. The connector injection mold of claim 1, wherein: A material belt hole is arranged on the material belt; a protruding part is arranged on the driving wheel, and the protruding part can be inserted into the material belt hole.

3. A connector injection mold according to claim 2, characterized in that: A material groove is arranged on the material seat; the material is in the material groove, and the material belt is arranged on the support surface on both sides of the groove of the material groove; the first limiting plate is located on the upper side of the support surface, and can limit the material belt.

4. The connector injection mold of claim 3, wherein: The driving wheel protrudes from the inner side wall of the material groove; the structure of the protruding part is conical, and can extend into the avoiding groove on the first limiting plate.

5. The connector injection mold of claim 1, wherein: The material moving module is arranged on the feeding side and the discharging side of the lower mold; a plurality of upper mold cores are arranged on the upper mold core plate, and a plurality of lower mold cores are arranged on the lower mold core plate.

6. A connector injection mold according to any one of claims 1-5, characterized in that: At least two driving wheels are arranged on a driving shaft, the driving shaft is connected with the output end of a servo motor, and the number of rows of upper mold cores and lower mold cores matches the number of driving wheels.

7. The connector injection mold of claim 1, wherein: The lower mold further includes a lower mold seat and a ejector pin seat arranged on the lower mold seat; an ejector pin is arranged on the ejector pin seat, and the ejector pin can be ejected from the lower mold core.

8. The connector injection mold of claim 7, wherein: A spring rod and a first guide rod are arranged between the lower mold seat and the lower mold core plate; the lower mold core plate can move back and forth under the action of the spring rod and the first guide rod.

9. The connector injection mold of claim 1, wherein: The upper mold further includes a water gap plate, a material injection nozzle arranged on the water gap plate, and a flow channel plate connected with the material injection nozzle; a plurality of branch flow channels are arranged on the flow channel plate, and each branch flow channel is connected with a corresponding upper mold core.

10. A connector injection molding machine characterized by: The connector injection mold includes any one of claims 1-9; the connector injection mold is arranged on a machine table.

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