CN113459395A - PIN injection molding device and method - Google Patents
PIN injection molding device and method Download PDFInfo
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- CN113459395A CN113459395A CN202110699122.4A CN202110699122A CN113459395A CN 113459395 A CN113459395 A CN 113459395A CN 202110699122 A CN202110699122 A CN 202110699122A CN 113459395 A CN113459395 A CN 113459395A
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- injection molding
- telescopic cylinder
- block
- pin
- thimble
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14549—Coating rod-like, wire-like or belt-like articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/36—Plugs, connectors, or parts thereof
Abstract
The invention discloses a PIN needle injection molding device, wherein a feeding device is arranged on one side of the injection molding device, and a thimble device is arranged in the injection molding device. In addition, the feeding device includes: the device comprises a base connecting bracket, a slide block telescopic cylinder, a feeding slide block, a discharging anti-shaking block, a conveying pipe, a connecting block, a vibration motor, a guide pillar, a spring and a storage box; the top of base linking bridge is provided with slider telescopic cylinder, slider telescopic cylinder is connected with the pay-off slider drive, an at least ejection of compact anti-shake piece sets up on base linking bridge, and each ejection of compact anti-shake piece difference swing joint is in one side of pay-off slider, evenly be provided with a plurality of conveying pipelines on each ejection of compact anti-shake piece, the one end of each conveying pipeline all inserts among the connecting block, shock motor sets up in the bottom of connecting block, be provided with a plurality of guide pillars between connecting block and the base linking bridge, each guide pillar all overlaps and has a spring, the storage box sets up on the connecting block. The invention effectively improves the efficiency of PIN injection molding production.
Description
Technical Field
The invention relates to the technical field of injection molding production processes, in particular to a PIN needle injection molding device and method.
Background
With the rapid development of electronic connectors, short, small, light and thin miniature electronic connectors have become the mainstream of electronic connector industry competition, and the single straight PIN connector female seat on the market is widely applied to connectors of automobile connectors or intelligent wearable products. The connector structures in different application fields are different, but the core components are basically consistent, and are respectively as follows: PIN needle, insulator and shell. The PIN is a core component of the connector, and electric signals between the connectors need to be transmitted by means of the PIN, so that the PIN is made of metal such as copper, silver or steel. In the current connector manufacturing process, the PIN needs to be put in during the injection molding process of the housing, so as to obtain a precise and reliable connector product. The existing PIN injection mold generally comprises an upper mold and a lower mold. The upper die is provided with an inclined guide post, and the lower die is provided with a sliding block and a mounting block for placing a PIN needle. When the mold is in a mold opening state, the PIN needles are required to be manually placed one by one in installation for the PIN needles to be placed, so that the inclined guide post drives the slide block to push the installation block of the PIN needles into the lower mold when the injection mold is closed, then the injection molding equipment automatically closes the upper mold of the injection mold, and the process of PIN needle injection molding processing is completed.
However, in the above connector processing technology, the PIN needs to be loaded by using a jig during injection molding, and since the purpose of the mounting block or the like for assisting in loading the PIN is generally achieved by the clearance fit between the parts, the PIN will have a certain inclination when entering the mold from the mounting block or the like, which is likely to damage the insert of the mold. Secondly, the PIN needles need to be manually placed into the jig one by one, so that the injection molding production efficiency of the PIN needles is low, and the expected capacity requirement cannot be met.
Disclosure of Invention
Therefore, a PIN needle injection molding device and method are needed to effectively improve the production efficiency of PIN needle injection molding.
The utility model provides a PIN needle injection moulding device, wherein material feeding unit includes: the device comprises a base connecting bracket, a slide block telescopic cylinder, a feeding slide block, a discharging anti-shaking block, a conveying pipe, a connecting block, a vibration motor, a guide pillar, a spring and a storage box; a sliding block telescopic cylinder is arranged above the base connecting support and is in driving connection with the feeding sliding block, at least one discharging anti-shaking block is arranged on the base connecting support, each discharging anti-shaking block is respectively and movably connected to one side of the feeding sliding block, a plurality of conveying pipes are uniformly arranged on each discharging anti-shaking block, one end of each conveying pipe is connected into the connecting block, a vibration motor is arranged at the bottom of the connecting block, a plurality of guide pillars are arranged between the connecting block and the base connecting support, each guide pillar is sleeved with a spring, and the storage box is arranged on the connecting block; the injection molding device comprises: the upper die, the lower die and the feed inlet; the upper die is movably connected with the lower die, and the feeding hole is formed in the lower die; the thimble device includes: the thimble telescopic cylinder, the push plate and the thimble; a push plate is arranged above the thimble telescopic cylinder, the push plate is in driving connection with the thimble telescopic cylinder, and the plurality of thimbles are arranged on the push plate; the feeding device is arranged on one side of the injection molding device, and the ejector pin device is arranged in the injection molding device.
Furthermore, the bottom of the connecting block is provided with at least one connecting rod, the upper end of each connecting rod is movably connected with the connecting block, and the lower end of each connecting rod is connected with the base connecting support.
Furthermore, the upper end of each through hole arranged on the feeding sliding block is provided with a chamfer.
Furthermore, the lower end of each through hole arranged on the discharging anti-shaking block is provided with a chamfer.
Furthermore, a box cover is arranged at the top of the storage box, and one side of the box cover is rotatably connected with the storage box.
A PIN needle injection molding method comprises the following steps:
s1: placing PIN needle materials for processing in a storage box;
s2: confirming that the vibration motor is in a working state; ensuring that the PIN needle material falls into the material conveying pipe; confirming that the slide block telescopic cylinder and the thimble telescopic cylinder are located at initial positions;
s3: starting the injection molding device; after the upper die and the lower die are closed, starting a feeding sliding block;
s4: after the feeding slide block is started, whether all PIN needle materials enter a preset position is detected; then starting a slide block telescopic cylinder;
s5: the sliding block telescopic cylinder drives the feeding sliding block filled with PIN needle materials to enter the injection molding device from the feeding port; after the sliding block telescopic cylinder extends to a preset stroke, starting the thimble telescopic cylinder;
s6: the thimble telescopic cylinder drives the push plate to push the thimble out of the PIN needle material contained in the feeding slide block to an injection molding processing area of the injection molding device; after the thimble telescopic cylinder extends out to a first preset stroke, the injection molding device starts injection molding;
s7: after the injection molding device finishes injection molding, the thimble telescopic cylinder is started again; the thimble telescopic cylinder continues to extend to a second preset stroke, so that the injection-molded PIN product is ejected out of a processing area of the injection molding device;
s8: taking the PIN needle product subjected to injection molding processing out of the injection molding device;
s9: the thimble telescopic cylinder retracts to the initial position first; the slide block telescopic cylinder retracts to the initial position again.
The full-automatic PIN injection molding machine is provided with the feeding device, the injection molding device and the thimble device, wherein the feeding device is arranged on one side of the injection molding device, and the thimble device is arranged in the injection molding device, so that the full-automatic feeding of the PIN needle can be realized, the manual feeding mode in the traditional PIN injection molding process is avoided, and the injection molding production efficiency of the PIN needle is improved. A feeding sliding block arranged in the feeding device can load a plurality of PIN needle materials at one time, the feeding sliding block can automatically enter the injection molding device from a feeding port arranged on the injection molding device under the driving of a sliding block telescopic cylinder, and then the thimble telescopic cylinder automatically drives a push plate to push the PIN needle materials placed in the feeding sliding block out to a processing area of the injection molding device. In traditional PIN needle injection moulding process, the material loading of PIN needle needs to be accomplished through specific tool through the manual work to the moulding plastics of PIN needle, because can produce certain gradient when the mould is put into to the manual work of PIN needle, damages the mold insert of mould when leading to the compound die easily. According to the invention, PIN needle materials can be automatically placed in the mould by the feeding device in a mould closing state, so that the damage of the insert is avoided, and meanwhile, the production efficiency can be effectively improved and the production cost can be reduced by the automatic feeding equipment.
Drawings
FIG. 1 is a schematic structural diagram of a PIN injection molding device of the invention;
FIG. 2 is a schematic cross-sectional structure diagram of a PIN injection molding device of the present invention;
FIG. 3 is a partial structural schematic diagram of a PIN injection molding device of the invention;
fig. 4 is a partial structural schematic diagram of a PIN injection molding device of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 4, a PIN injection molding apparatus 1 includes a feeding device 10: the device comprises a base connecting bracket 101, a slide block telescopic cylinder 102, a feeding slide block 103, a discharging anti-shaking block 104, a material conveying pipe 105, a connecting block 106, a vibration motor 107, a guide post 108, a spring 109 and a storage box 1010. The top of base linking bridge 101 is provided with slider telescopic cylinder 102, slider telescopic cylinder 102 is connected with the drive of pay-off slider 103, an at least ejection of compact anti-shake piece 104 sets up on base linking bridge 101, and each ejection of compact anti-shake piece 104 swing joint is in one side of pay-off slider 103 respectively, evenly be provided with a plurality of conveying pipelines 105 on each ejection of compact anti-shake piece 104, the one end of each conveying pipeline 105 all inserts among connecting block 106, shock motor 107 sets up in the bottom of connecting block 106, be provided with a plurality of guide pillars 108 between connecting block 106 and base linking bridge 101, each guide pillar 108 all overlaps and has a spring 109, storage box 1010 sets up on connecting block 106. The injection molding device 11 includes: an upper die 111, a lower die 112, and a feed inlet 113. The upper die 111 is movably connected with the lower die 112, and the feed inlet 113 is arranged on the lower die 112. The ejector pin device 12 includes: a thimble expansion cylinder 121, a push plate 122 and a thimble 123. A push plate 122 is arranged above the thimble stretching cylinder 121, the push plate 122 is in driving connection with the thimble stretching cylinder 121, and a plurality of thimbles 123 are arranged on the push plate 122. The feeding device 10 is disposed at one side of the injection molding device 11, and the ejector pin device 12 is disposed in the injection molding device 11. The injection device 11 is drivingly connected to an external injection device, and the upper mold 111 and the lower mold 112 are separable from and closable by the external injection device. The feeding device 10 is disposed on a side surface of the injection molding device 11, the feeding port 113 is disposed on the lower mold 112, and the feeding port 113 is located on the side surface where the feeding device 10 is disposed. The bottom of the base link bracket 101 is connected to the lower mold 112, and the top surface of the base link bracket 101 is flush with the bottom surface of the feed port 113. The slide block telescopic cylinder 102 is generally disposed at one side of the top of the base connecting bracket 101, the slide block telescopic cylinder 102 can drive the feeding slide block 103 to slide on the top of the base connecting bracket 101, and the feeding slide block 103 can enter the injection molding device 11 from the feeding port 113. The two sides of the feeding sliding block 103 can be respectively provided with a movably connected discharging anti-shaking block 104, the two sides of the feeding sliding block 103 are provided with a plurality of through holes, the discharging anti-shaking blocks 104 positioned on each side of the feeding sliding block 103 are correspondingly provided with the same number of through holes relative to the through holes arranged on the feeding sliding block 103, and each through hole arranged on each discharging anti-shaking block 104 is connected with a material conveying pipe 105. Each feed delivery pipe 105 is hollow inside, and one end of each feed delivery pipe 105 is connected to the discharge anti-shake block 104, and the other end thereof is connected to the connecting block 106. The connecting block 106 is provided with a through hole corresponding to each material conveying pipe 105, and the bottom of the storage box 1010 is provided with funnel-shaped through holes with the same number corresponding to the through holes arranged on the connecting block 106. A plurality of guide posts 108 are disposed between the connecting block 106 and the base connecting bracket 101, usually, a guide post 108 is disposed at each of four corners of the connecting block 106, an upper end of each guide post 108 is movably connected to the connecting block 106, each guide post 108 is sleeved with a spring 109, one end of each spring 109 is connected to the connecting block 106, and the other end is connected to the base connecting bracket 101. When the PIN injection molding device 1 is in an injection molding process, the vibration motor 107 disposed at the bottom of the connecting block 106 starts a vibration state, the vibration state is transmitted from the connecting block 106 to four sets of springs 109 supported at four corners of the connecting block 106, the vibration makes each spring 109 move up and down along the guide posts 108, and the up-and-down movement is transmitted to the storage box 1010 through the connecting block 106 movably connected to the upper end of each guide post 108. The above-mentioned rolling motion makes the PIN inserted in the storage box 1010 shake off into the funnel-shaped through hole at the bottom of the storage box 1010, and the PIN passes through the connecting block 106, the material conveying pipe 105, and the material discharging anti-shaking block 104 from the funnel-shaped through hole, so that each PIN can accurately fall into each through hole of the material feeding slider 103. Then the injection molding equipment drives the upper mold 111 and the lower mold 112 to be closed, the slider telescopic cylinder 102 drives the feeding slider 103 provided with a plurality of PIN needles to slide towards the feeding port 113, and after the feeding slider 103 reaches a preset position, the thimble telescopic cylinder 121 drives the push plate 122 to enable each thimble 123 to reach a first preset position, and the first preset position just enables each thimble 123 to push each PIN needle out of the feeding slider 103. Next, the injection molding device 11 starts an injection molding process, and after the injection molding is completed, the thimble retracting cylinder 121 continues to drive the push plate 122 to make each thimble 123 reach a second preset position, where the second preset position enables each thimble 123 to push the processed product out of the processing area of the lower mold 112. After the product is taken out, the thimble stretching cylinder 121 and the slider stretching cylinder 102 are both retracted to the preset initial positions. And finishing the PIN injection molding process flow.
In the above embodiment, in order to increase the stability of the magazine 1010 in the fluctuation motion, at least one connecting rod 1011 may be disposed at the bottom of the connecting block 106, the upper end of each connecting rod 1011 is movably connected to the connecting block 106, and the lower end of each connecting rod 1011 is connected to the base connecting bracket 101. Since the top end of each guide post 108 leaves a space for allowing the connecting block 106 to move freely, the free movement space causes each spring 109 to shake in an undesired horizontal direction, so that the magazine 1010 disposed above the connecting block 106 shakes excessively. Therefore, the connecting rod 1011 disposed between the connecting block 106 and the base connecting bracket 101 can increase the motion constraint of the connecting block 106 in the horizontal direction, and the free motion of the connecting block 106 in the vertical direction is retained, so as to avoid the excessive shaking of the storage box 1010 disposed above the connecting block 106.
In addition, in the above embodiment, a chamfer may be provided at the upper end of each through hole provided in the feeding slider 103, and a chamfer may be provided at the lower end of each through hole provided in the discharging anti-shake block 104. Because the PIN needles placed in the storage box 1010 in advance have unavoidable manufacturing tolerance, the PIN needles falling into the through holes formed in the feeding slide block 103 are different in length. In order to avoid interference of the relative motion between the feeding slide block 103 and the discharging anti-vibration block 104, a chamfer can be arranged at the upper end of each through hole formed in the feeding slide block 103, so that the PIN needle falling into the through hole of the feeding slide block 103 can be prevented from being interfered with the feeding slide block 103 by another PIN needle temporarily staying in the through hole formed in the discharging anti-vibration block 104 when the PIN needle is at the lower limit of the preset tolerance. In addition, can all be equipped with the chamfer at every through-hole lower extreme that ejection of compact anti-shake piece 104 set up simultaneously, so the design can avoid falling into the PIN needle in the pay-off slider 103 through-hole and be in tolerance upper limit and lead to this PIN needle and ejection of compact anti-shake piece 104 to take place to interfere.
Further, in the above embodiment, in order to add or reduce PIN materials into the storage case 1010, a case cover 1010a is disposed on the top of the storage case 1010, and one side of the case cover 1010a is rotatably connected to the storage case 1010. The lid 1010a can be rotated open or closed along the edge of the magazine 1010.
A PIN needle injection molding method using the embodiment comprises the following steps:
s1: preparing a PIN material for processing and placing the PIN material in a storage box 1010;
s2: confirming that the vibration motor 107 is in an operating state; ensuring that materials falling into the PIN needle in the material conveying pipe 105; confirming that the slide block telescopic cylinder 102 and the thimble telescopic cylinder 121 are located at initial positions;
s3: starting the injection molding device 11; after the upper die 111 and the lower die 112 are closed, the feeding slide block 103 is started;
s4: after the feeding slide block 103 is started, whether all PIN needle materials enter a preset position is detected; then the slide block telescopic cylinder 102 is started;
s5: the sliding block telescopic cylinder 102 drives the feeding sliding block 103 filled with PIN materials to enter the injection molding device 11 from the feeding hole 113; after the slider telescopic cylinder 102 extends to a preset stroke, the thimble telescopic cylinder 121 is started;
s6: the thimble telescopic cylinder 121 drives the push plate 122 to push the thimble 123 out of the PIN material contained in the feeding slide block 103 to the injection molding processing area of the injection molding device 11; after the thimble telescopic cylinder 121 extends out to a first preset stroke, the injection molding device 11 starts injection molding;
s7: after the injection molding device 11 completes the injection molding process, the thimble stretching cylinder 121 is started again; the thimble stretching cylinder 121 continues to extend to a second preset stroke, so that the injection-molded PIN product is ejected out of the processing area of the injection molding device 11;
s8: taking the PIN product subjected to injection molding processing out of the injection molding device 11;
s9: the thimble retracting cylinder 121 retracts to the initial position; the slider retraction cylinder 102 is retracted to the initial position.
In the above steps, the storage box 1010 needs to be pre-loaded with sufficient PIN material, and then the vibration motor 107 disposed at the bottom of the connection block 106 is always in a vibration working state, which can make the storage box 1010 continuously shake. The PIN needles pre-placed in the storage box 1010 are shaken off into the funnel-shaped through holes at the bottom of the storage box 1010 by the shaking, and sequentially pass through the connecting block 106, the material conveying pipe 105 and the discharging anti-shaking block 104 from the funnel-shaped through holes, so that each PIN needle accurately falls into each through hole arranged on the feeding slide block 103. At this time, the slider telescopic cylinder 102 is located at one side of the top of the base connecting bracket 101, that is, the slider telescopic cylinder 102 is located at the initial position. Then, the injection molding device drives the upper mold 111 and the lower mold 112 to close, and then the injection molding device 11 sends a signal to the slider stretching cylinder 102. The slider telescopic cylinder 102 receives the working signal and then drives the feeding slider 103 provided with the PIN needles to slide towards the feeding hole 113, until the feeding slider 103 reaches a preset position, the thimble telescopic cylinder 121 extends out to a first preset stroke. The first predetermined stroke is enough for the thimble stretching cylinder 121 to drive the push plate 122 so that each thimble 123 reaches a first predetermined position, and the first predetermined position just enables each thimble 123 to push each PIN out of the feeding slide block 103. Then, the injection molding device 11 starts an injection molding process, and after the injection molding is completed, the thimble stretching cylinder 121 continues to extend to a second preset stroke, where the second preset stroke is enough for the thimble stretching cylinder 121 to drive the push plate 122 so that each thimble 123 reaches a second preset position, and the second preset position enables each thimble 123 to push the processed product out of the processing area of the lower mold 112. After the product is taken out, the thimble stretching cylinder 121 and the slider stretching cylinder 102 are both retracted to the preset initial positions.
In summary, the injection molding machine is provided with the feeding device 10, the injection molding device 11 and the ejector PIN device 12, wherein the feeding device 10 is arranged on one side of the injection molding device 11, and the ejector PIN device 12 is arranged in the injection molding device 11, so that the full-automatic feeding of the PIN can be realized, the manual feeding mode in the traditional PIN injection molding process is avoided, and the injection molding production efficiency of the PIN is improved. The feeding slide block 103 arranged in the feeding device 10 can load a plurality of PIN materials at one time, the feeding slide block 103 can automatically enter the injection molding device 11 from the feeding hole 113 arranged in the injection molding device 11 under the driving of the slide block telescopic cylinder 102, and then the thimble telescopic cylinder 121 automatically drives the push plate 122 to push the PIN 123 out of the PIN materials placed in the feeding slide block 103 to the processing area of the injection molding device 11. The feeding slide block 103 replaces the manual feeding mode, materials can be placed in the injection molding device 11 in a die closing state, damage to a mold insert can be avoided, and production efficiency of a PIN needle injection molding process is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A PIN injection molding device, characterized in that the feeding device (10) comprises: the device comprises a base connecting support (101), a slide block telescopic cylinder (102), a feeding slide block (103), a discharging anti-shaking block (104), a conveying pipe (105), a connecting block (106), a vibrating motor (107), a guide pillar (108), a spring (109) and a storage box (1010); a sliding block telescopic cylinder (102) is arranged above the base connecting support (101), the sliding block telescopic cylinder (102) is in driving connection with the feeding sliding block (103), at least one discharging anti-shaking block (104) is arranged on the base connecting support (101), each discharging anti-shaking block (104) is movably connected to one side of the feeding sliding block (103) respectively, a plurality of conveying pipes (105) are uniformly arranged on each discharging anti-shaking block (104), one end of each conveying pipe (105) is connected into the connecting block (106), a vibration motor (107) is arranged at the bottom of the connecting block (106), a plurality of guide pillars (108) are arranged between the connecting block (106) and the base connecting support (101), each guide pillar (108) is sleeved with a spring (109), and a storage box (1010) is arranged on the connecting block (106);
the injection molding device (11) comprises: an upper die (111), a lower die (112) and a feed inlet (113); the upper die (111) is movably connected with the lower die (112), and the feed inlet (113) is arranged on the lower die (112);
the ejector pin device (12) comprises: a thimble telescopic cylinder (121), a push plate (122) and a thimble (123); a push plate (122) is arranged above the thimble telescopic cylinder (121), the push plate (122) is in driving connection with the thimble telescopic cylinder (121), and a plurality of thimbles (123) are arranged on the push plate (122);
the feeding device (10) is arranged on one side of the injection molding device (11), and the ejector pin device (12) is arranged in the injection molding device (11).
2. The PIN needle injection molding apparatus according to claim 1, wherein: the bottom of connecting block (106) is provided with at least one connecting rod (1011), the upper end swing joint connecting block (106) of each connecting rod (1011), base linking bridge (101) is connected to the lower extreme of each connecting rod (1011).
3. A PIN needle injection molding apparatus according to claim 1 or 2, wherein: the upper end of each through hole arranged on the feeding sliding block (103) is provided with a chamfer.
4. A PIN needle injection molding apparatus as claimed in claim 3, wherein: the lower end of each through hole arranged on the discharging anti-shaking block (104) is provided with a chamfer.
5. A PIN needle injection molding apparatus according to claim 1 or 2, wherein: the top of the storage box (1010) is provided with a box cover (1010 a), and one side of the box cover (1010 a) is rotatably connected with the storage box (1010).
6. A PIN needle injection molding method is characterized by comprising the following steps:
s1: preparing PIN materials for processing and placing the PIN materials in a storage box (1010);
s2: confirming that the vibration motor (107) is in a working state; ensuring that PIN materials fall into the material conveying pipe (105); confirming that the slide block telescopic cylinder (102) and the thimble telescopic cylinder (121) are located at initial positions;
s3: starting the injection molding device (11); after the upper die (111) and the lower die (112) are closed, starting the feeding slide block (103);
s4: after the feeding sliding block (103) is started, whether all PIN needle materials enter a preset position is detected; then starting a slide block telescopic cylinder (102);
s5: the sliding block telescopic cylinder (102) drives the feeding sliding block (103) filled with PIN needle materials to enter the injection molding device (11) from the feed port (113); after the sliding block telescopic cylinder (102) extends to a preset stroke, starting the thimble telescopic cylinder (121);
s6: the thimble telescopic cylinder (121) drives the push plate (122) to enable the thimble (123) to push the PIN material contained in the feeding slide block (103) out to an injection molding processing area of the injection molding device (11); after the thimble telescopic cylinder (121) extends to a first preset stroke, the injection molding device (11) starts injection molding;
s7: after the injection molding device (11) finishes injection molding processing, the thimble telescopic cylinder (121) is started again; the thimble stretching cylinder (121) continues to extend to a second preset stroke, so that the injection-molded PIN product is ejected out of a processing area of the injection molding device (11);
s8: taking the PIN needle product which is subjected to injection molding processing out of the injection molding device (11);
s9: the thimble telescopic cylinder (121) retracts to the initial position firstly; the slide block telescopic cylinder (102) retracts to the initial position again.
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| CN202110699122.4A CN113459395B (en) | 2021-06-23 | 2021-06-23 | PIN needle injection molding device |
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| EP3804946A1 (en) * | 2019-10-08 | 2021-04-14 | Lisa Dräxlmaier GmbH | Magazine device and method for feeding inserts to an injection mould |
| CN213055753U (en) * | 2020-04-09 | 2021-04-27 | 宁波昊森模塑有限公司 | Novel die structure capable of achieving automatic feeding |
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| DE19803171A1 (en) * | 1998-01-28 | 1999-07-29 | Theo Hillers Gmbh | Equipment handling injection molding inlays and products, e.g. pins to be embedded in insulant, to form plugs |
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| CN205660988U (en) * | 2016-05-19 | 2016-10-26 | 惠州市壹品科技有限公司 | Autoloader moulds plastics |
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| CN213055753U (en) * | 2020-04-09 | 2021-04-27 | 宁波昊森模塑有限公司 | Novel die structure capable of achieving automatic feeding |
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| CN113459395B (en) | 2023-05-23 |
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