CN112590136B - Precise mold for chip shell - Google Patents
Precise mold for chip shell Download PDFInfo
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- CN112590136B CN112590136B CN202011545802.2A CN202011545802A CN112590136B CN 112590136 B CN112590136 B CN 112590136B CN 202011545802 A CN202011545802 A CN 202011545802A CN 112590136 B CN112590136 B CN 112590136B
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- 230000007246 mechanism Effects 0.000 claims abstract description 102
- 238000001816 cooling Methods 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000010354 integration Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the field of dies, in particular to a precision die for a chip shell, which comprises a top plate, an upper die, a lower die and a base which are sequentially connected through guide pillars from top to bottom, wherein a first inclined core-pulling mechanism and a second inclined core-pulling mechanism are respectively arranged on the left side and the right side of the upper die; the invention realizes the integration of a plurality of inclined core-pulling and horizontal core-pulling and back-shovel mechanisms, solves the problems of huge mold structure and unreasonable arrangement of each mechanism, and has good market application value.
Description
Technical Field
The invention relates to the field of dies, in particular to a precision die for a chip shell.
Background
The injection mold is a common mold in the field of product manufacturing, and the common structure of the injection mold comprises a two-plate mold, a three-plate mold, an I-shaped mold and a straight body mold. In the production of injection molding products, the step of core pulling is involved in many times, and the core pulling modes are different, wherein one mode is the inclined hole core pulling. In the existing market, inclined holes of products are continuously diversified, when multi-directional inclined hole parts are subjected to injection molding, if a buckle is arranged in a machined part, a backhoe is also needed, the whole mold is huge in structure, and the structural requirement is difficult to meet particularly when small-size workpieces are machined; the arrangement of the back hoe and the inclined guide post of the sliding block interfere with each other for a long time, so that a plastic product generates flash, the eccentric wall thickness of the size is uneven, the plastic product is limited by a core-pulling angle and a core-pulling structure, the defects of incomplete core-pulling, damage caused by incomplete resetting, difficulty in controlling the production precision and the like are easily caused, and an ideal qualified product cannot be obtained; in order to solve the problem, the application provides a plurality of inclined core pulling and horizontal core pulling and back-shovel mechanism integrated dies, and the problems that the die structure is large and the layout of each mechanism is unreasonable are solved perfectly.
Disclosure of Invention
In view of the disadvantages of the prior art, the present invention is directed to a precision mold for chip housing, which solves the problems of the prior art. In order to achieve the purpose, the invention adopts the following technical scheme: a precision mold for a chip shell comprises a top plate, an upper mold, a lower mold and a base which are connected in sequence through guide pillars from top to bottom, wherein a first inclined core-pulling mechanism and a second inclined core-pulling mechanism are respectively arranged on the left side and the right side of the upper mold, an upper mold core is arranged on the lower portion of the upper mold, a lower mold core is arranged on the upper portion of the lower mold, the upper mold core and the lower mold core are buckled with each other, a cavity is formed in the middle of the upper mold, a third inclined core-pulling mechanism is arranged on the left side of the base, the front end of the first inclined core-pulling mechanism extends into the cavity from the left side of the top of the upper mold core and is respectively in sliding connection with the upper mold and the upper mold core, the front end of the second inclined core-pulling mechanism extends into the cavity from the right side of the top of the upper mold and is in sliding connection with the upper mold and the lower mold core, a first cooling mechanism and a second cooling mechanism are respectively arranged on the front side of the upper mold and the front side of the lower mold, a back shovel mechanism is arranged on the front side of the upper mold and the front side of the lower mold, and the front and back of the lower mold;
the second inclined core pulling mechanism comprises a second oil cylinder seat, a second core pulling oil cylinder, a second sliding block, a positioning block, a second inclined core pulling rod and a third inclined core pulling rod, the left end of the second oil cylinder seat is embedded into the right end of the upper die, a second sliding groove is horizontally formed in the second oil cylinder seat, the second sliding block is arranged in the second sliding groove in a sliding mode, the right end of the second oil cylinder seat is horizontally provided with the second core pulling oil cylinder, the working end of the second core pulling oil cylinder is connected with the right end of the second sliding block, the left end of the second sliding block is provided with an inclined surface, a second inclined sliding groove and a third inclined sliding groove which are parallel to each other are formed in the inclined surface, the second inclined sliding groove is connected with the top end of the second inclined core pulling rod in a sliding mode, the third inclined sliding groove is connected with the top end of the third inclined core pulling rod in a sliding mode, the positioning block is arranged at the left end of the bottom of the second sliding block, and the third inclined core pulling rod is connected with the right side of the upper die core pulling rod in a sliding mode.
Preferably, first mechanism of loosing core to one side includes that first hydro-cylinder, first hydro-cylinder seat, first slider, the first pole of loosing core to one side, embedding of first hydro-cylinder seat right-hand member go up the mould left end, the level is provided with first spout in the first hydro-cylinder seat, it is provided with to slide in the first spout first slider, the left end level of first hydro-cylinder seat is provided with the first hydro-cylinder of loosing core, the first work end of loosing core is connected the left end of first slider, the right-hand member of first slider is provided with first oblique spout, sliding connection in the first oblique spout the upper end of first pole is pulled to one side, the bottom sliding connection of first pole is pulled to one side the top left side of last mold core.
Preferably, the third inclined core pulling mechanism comprises a sliding seat, a sliding rod, a third sliding block and a fourth inclined core pulling rod, the top of the sliding rod is fixed at the left end of the bottom of the upper die, the sliding seat is horizontally arranged at the left end of the upper surface of the base, the third sliding block is arranged in the sliding seat in a sliding mode, the lower portion of the sliding rod penetrates through and is connected with the third sliding block in a sliding mode, a fourth inclined sliding groove is formed in the right end of the third sliding block, the bottom end of the fourth inclined core pulling rod is connected with the fourth inclined sliding groove in a sliding mode, and the top end of the fourth inclined core pulling rod is connected with the lower die core in a sliding mode.
Preferably, the third inclined core pulling mechanism further comprises a first limiting block and a second limiting block, the first limiting block is arranged on the left side face of the base corresponding to the bottom of the sliding rod, and the second limiting block is arranged on the left side face of the lower die corresponding to the third sliding block.
Preferably, the backhoe mechanism comprises a fourth slider and a fifth slider, the top end of the fourth slider is mounted at the right end of the lower surface of the upper die, the rear end of the fifth slider is connected with the front end of the fourth slider in a sliding manner, the front end of the fifth slider is connected with the upper die core in a sliding manner, and a backhoe block is arranged at the front end of the fifth slider.
Preferably, the horizontal core pulling mechanism comprises a fixed plate, two fourth sliding rods, two horizontal sliding blocks and two fourth sliding seats, the fixed plate is arranged on the front side and the rear side of the middle portion of the upper surface of the upper die respectively, the four sliding seats are arranged on the front side and the rear side of the upper surface of the lower die respectively, the upper surfaces of the four sliding seats are horizontally provided with four sliding grooves respectively, the four sliding grooves are internally provided with the horizontal sliding blocks and the two horizontal sliding blocks in a sliding mode respectively, the upper surfaces of the horizontal sliding blocks are provided with inclined sliding holes which penetrate through the horizontal sliding blocks from top to bottom respectively, the four sliding rods are provided with two fourth sliding blocks, the four sliding blocks penetrate through the fourth sliding blocks from top to bottom from inside to outside in an inclined mode respectively, the top ends of the four sliding blocks are connected with the bottom surface of the fixed plate respectively, and the bottom ends of the four sliding blocks are connected with the horizontal sliding blocks in a sliding mode respectively.
Preferably, the middle of the base is provided with an ejection mechanism, the ejection mechanism comprises four guide shafts, a movable plate, guide shafts and ejector pins, the four guide shafts are respectively and vertically arranged between the lower die and the base, the movable plate is horizontally arranged and respectively and slidably connected with the four guide shafts, the upper surface of the movable plate is vertically provided with a plurality of ejector pins, and the top ends of the ejector pins are respectively penetrated through and slidably connected with the lower die and the lower die core.
Preferably, the first inclined core pulling mechanism further comprises a core pulling locking block, a locking block sliding groove which penetrates through the first sliding block from top to bottom is formed in the middle of the upper surface of the first sliding block, a locking block positioning groove is formed in the front end of the first oil cylinder base, the core pulling locking block penetrates through the locking block sliding groove, and the bottom end of the core pulling locking block is located in the locking block positioning groove and is respectively connected with the first sliding block and the first oil cylinder base in a sliding mode.
Preferably, first cooling body includes cooling joint, cooling tube, cooling joint sets up the leading flank of last mould, be provided with water inlet and delivery port on the cooling joint, cooling tube's one end is connected the water inlet, the other end is connected the delivery port, the middle part intercommunication go up the mould with go up inside the mold core.
Preferably, the second cooling mechanism is arranged on the front side surface of the lower die and communicated with the lower die and the interior of the lower die core, and the second cooling mechanism and the first cooling mechanism have the same structure.
Compared with the prior art, the integrated core-pulling and backhoe has the beneficial effects that by adopting the scheme, the integrated core-pulling and backhoe has a simple structure, is convenient to use, realizes the integration of a plurality of inclined core-pulling and horizontal core-pulling and backhoe mechanisms, perfectly solves the problems of huge mold structure and unreasonable arrangement of each mechanism, and has good market application value.
Drawings
FIG. 1 is a schematic view of a general assembly structure of one embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the embodiment of FIG. 1;
FIG. 3 is a schematic structural diagram of a second diagonal core-pulling mechanism according to the embodiment of FIG. 1;
FIG. 4 is a schematic structural diagram of a first diagonal core-pulling mechanism according to the embodiment of FIG. 1;
FIG. 5 is a schematic structural diagram of a third diagonal core-pulling mechanism according to the embodiment of FIG. 1;
FIG. 6 is a schematic structural view of the backhoe mechanism of the embodiment of FIG. 1 of the present invention;
FIG. 7 is a schematic view of a horizontal core pulling structure of the embodiment in FIG. 1 of the present invention;
FIG. 8 is a schematic view of the ejection mechanism of the embodiment of FIG. 1 according to the present invention;
FIG. 9 is a schematic view of the first cooling mechanism and the second cooling mechanism of the embodiment of FIG. 1;
FIG. 10 is a schematic view of the positioning runner and positioning runner of the embodiment of FIG. 1 according to the present invention;
the figures above show: the core pulling mechanism comprises a top plate 1, an upper die 2, a lower die 3, a base 4, a guide pillar 5, a first inclined core pulling mechanism 6, a second inclined core pulling mechanism 7, an upper die core 8, a lower die core 9, a third inclined core pulling mechanism 10, a first cooling mechanism 11, a second cooling mechanism 12, a backhoe mechanism 13, a horizontal core pulling mechanism 14, a second cylinder base 20, a second core pulling cylinder 21, a second slider 22, a positioning block 23, a second inclined core pulling rod 24, a third inclined core pulling rod 25, a second chute 26, a second inclined chute 27, a third inclined chute 28, a first core pulling cylinder 30, a first cylinder base 31, a first slider 32, a first inclined core pulling rod 33, a first chute 34, a first inclined chute 35, a sliding base 40, a sliding rod 41, a third slider 42, a fourth inclined core pulling rod 43, a fourth inclined chute 44, a first limiting block 45, a second limiting block 46, a fourth slider 50, a fifth slider 51, a backhoe block 52, a fixing plate 60, a fourth slider 61, a horizontal slider 62, a fourth sliding base 43, a fourth inclined core pulling rod 43, a fourth inclined sliding chute 44, a fourth inclined sliding slot 44, a first limiting block locking slot 80, a positioning block locking mechanism, a spring positioning groove 80, a cooling block positioning groove 80, a cooling channel locking mechanism, a cooling channel 80, a cooling channel locking groove 81, a cooling channel opening and a cooling channel joint 80, a cooling channel joint 93, a cooling channel 80, a cooling channel opening and a cooling channel 80, a cooling channel joint groove 71, a thimble inlet port and a thimble inlet port 80.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" 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. As used herein, the terms "vertical," "horizontal," "left," "right," "front," "back," and the like are used for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 10, an embodiment of the present invention is a precision mold for a chip shell, which includes a top plate 1, an upper mold 2, a lower mold 3, and a base 4 connected in sequence by a guide pillar 5 from top to bottom, wherein a first inclined core-pulling mechanism 6 and a second inclined core-pulling mechanism 7 are respectively disposed on the left and right sides of the upper mold 2, an upper mold core 8 is disposed on the lower portion of the upper mold 2, a lower mold core 9 is disposed on the upper portion of the lower mold 3, the upper mold core 8 and the lower mold core 9 are fastened to each other to form a cavity in the middle, a third inclined core-pulling mechanism 10 is disposed on the left side of the base 4, the front end of the first inclined core-pulling mechanism 6 extends into the cavity from the left side of the top of the upper mold core 8 and is slidably connected to the upper mold 2 and the upper mold core 8, the front end of the second inclined core-pulling mechanism 7 extends into the cavity from the right side of the top of the upper mold core 8 and is slidably connected to the upper mold 2 and the upper mold core 2, the lower mold core-pulling mechanism 10 is horizontally connected to the left side of the upper mold core 2, the lower mold core-pulling mechanism and the lower mold core-pulling mechanism 12, and the upper mold core-pulling mechanism is disposed on the front side of the lower mold core-back side of the upper mold 2 and the lower mold core-side of the upper mold 3, and lower mold core-cooling mechanism 12;
the second inclined core pulling mechanism 7 comprises a second oil cylinder base 20, a second core pulling oil cylinder 21, a second sliding block 22, a positioning block 23, a second inclined core pulling rod 24 and a third inclined core pulling rod 25, the left end of the second oil cylinder base 20 is embedded into the right end of the upper die 2, a second sliding groove 26 is horizontally formed in the second oil cylinder base 20, the second sliding block 22 is arranged in the second sliding groove 26 in a sliding mode, the right end of the second oil cylinder base 20 is horizontally arranged with the second core pulling oil cylinder 21, the working end of the second core pulling oil cylinder 21 is connected with the right end of the second sliding block 22, the left end of the second sliding block 22 is provided with an inclined plane, a second inclined sliding groove 27 and a third inclined sliding groove 28 which are parallel to each other are formed in the inclined plane, the second inclined sliding groove 27 is connected with the top end of the second inclined core pulling rod 24 in a sliding mode, the third inclined sliding groove 28 is connected with the top end of the third inclined core pulling rod 25 in a sliding mode, the positioning block 23 is arranged at the left end of the bottom of the second sliding groove 22, and the front end of the front side of the positioning block 23 are connected with the top end of the mold core pulling rod 8 in a sliding mode.
Preferably, first mechanism 6 of loosing core to one side includes first hydro-cylinder 30, first hydro-cylinder seat 31, first slider 32, the first pole 33 of loosing core to one side, first hydro-cylinder seat 31 right-hand member embedding go up the 2 left ends of mould, the level is provided with first spout 34 in the first hydro-cylinder seat 31, it is provided with to slide in first spout 34 first slider 32, the left end level of first hydro-cylinder seat 31 is provided with first hydro-cylinder 30 of loosing core, the work end of first hydro-cylinder 30 of loosing core is connected the left end of first slider 32, the right-hand member of first slider 32 is provided with first oblique spout 35, sliding connection in first oblique spout 35 the upper end of first pole 33 of loosing core to one side, the bottom sliding connection of first oblique pole 33 of loosing core goes up the top left side of mold core 8.
Preferably, the third inclined core pulling mechanism 10 includes a sliding base 40, a sliding rod 41, a third sliding block 42, and a fourth inclined core pulling rod 43, the top of the sliding rod 41 is fixed at the left end of the bottom of the upper die 2, the sliding base 40 is horizontally disposed at the left end of the upper surface of the base 4, the third sliding block 42 is slidably disposed in the sliding base 40, the lower portion of the sliding rod 41 penetrates through and is slidably connected to the third sliding block 42, a fourth inclined sliding groove 44 is disposed at the right end of the third sliding block 42, the bottom end of the fourth inclined core pulling rod 43 is slidably connected to the fourth inclined sliding groove 44, and the top end of the fourth inclined core pulling rod 43 is slidably connected to the lower die core 9.
Preferably, the third inclined core pulling mechanism 10 further includes a first limiting block 45 and a second limiting block 46, the first limiting block 45 is disposed on the left side surface of the base 4 corresponding to the bottom of the sliding rod 41, and the second limiting block 46 is disposed on the left side surface of the lower die 3 corresponding to the third sliding block 42.
Preferably, the backhoe mechanism 13 comprises a fourth slider 50 and a fifth slider 51, the top end of the fourth slider 50 is installed at the right end of the lower surface of the upper die 2, the rear end of the fifth slider 51 is slidably connected with the front end of the fourth slider 50, the front end of the fifth slider 51 is slidably connected with the upper die core 8, a backhoe block 52 is arranged at the front end of the fifth slider 51, and the backhoe mechanism is used for facilitating demoulding when a buckle is arranged in a machined part.
Preferably, the horizontal core pulling mechanism 14 includes a fixing plate 60, four sliding blocks 61, two horizontal sliding blocks 62 and four sliding seats 63, the fixing plate 60 is disposed on the front side and the rear side of the middle portion of the upper surface of the upper die 2, the four sliding seats 63 are disposed on the front side and the rear side of the upper surface of the lower die 3, the four sliding seats 63 are horizontally disposed on the upper surfaces of the four sliding seats 64, four sliding grooves 64 are slidably disposed in the four sliding grooves 64, the horizontal sliding blocks 62 are slidably disposed in the four sliding grooves, two horizontal sliding blocks 62 are disposed on the upper surfaces of the four sliding blocks 62, inclined sliding holes 65 are formed through the four sliding blocks 61, the four sliding blocks 61 obliquely penetrate through the upper die 2 from top to bottom and from inside to outside, the top ends of the four sliding blocks are connected with the bottom surface of the fixing plate 60, and the bottom ends of the four sliding blocks are slidably connected with the two horizontal sliding blocks 62 through the two inclined sliding holes 65.
Preferably, the horizontal core pulling mechanism 14 further includes two limiting posts 66, and the two limiting posts 66 are respectively disposed at one end of the outer side of the two fourth sliding grooves 64.
Preferably, an ejection mechanism 70 is disposed in the middle of the base 4, the ejection mechanism 70 includes four guide shafts 72, four movable plates 71, the four guide shafts 72 are vertically disposed between the lower mold 3 and the base 4, the movable plate 71 is horizontally disposed and slidably connected to the four guide shafts 72, the plurality of ejector pins 73 are vertically disposed on the upper surface of the movable plate 71, and the top ends of the plurality of ejector pins 73 penetrate through and slidably connected to the lower mold 3 and the lower mold core 9, respectively. The movable plate 71 moves upward along the guide shaft 72, and the ejector pins 73 eject the injection-molded product.
Preferably, four guide shafts 72 above the movable plate 71 are respectively sleeved with springs 74.
Preferably, the first inclined core pulling mechanism 6 further includes a core pulling lock block 80, a lock block sliding groove 81 which penetrates through the first slide block 32 from top to bottom is formed in the middle of the upper surface of the first slide block, a lock block positioning groove 82 is formed in the front end of the first cylinder base 31, the core pulling lock block 80 penetrates through the lock block sliding groove 81, and the bottom end of the core pulling lock block is located in the lock block positioning groove 82 and is connected with the first slide block 32 and the first cylinder base 31 in a sliding manner.
Preferably, the first cooling mechanism 11 includes a cooling joint 90 and a cooling pipeline 91, the cooling joint 90 is disposed on the front side surface of the upper die 2, the cooling joint 90 is provided with a water inlet 92 and a water outlet 93, one end of the cooling pipeline 91 is connected to the water inlet 92, the other end of the cooling pipeline 91 is connected to the water outlet 93, and the middle portion of the cooling pipeline is communicated with the interior of the upper die 2 and the upper die core 8.
Preferably, the second cooling mechanism 12 is disposed on a front side surface of the lower mold 3 and communicates the lower mold 3 with the interior of the lower mold core 9, and the second cooling mechanism 12 and the first cooling mechanism 11 have the same structure.
Preferably, the upper surface of the top plate 1 is provided with a glue inlet 95, the bottom of the glue inlet 95 is provided with a glue inlet pipe 96, and the glue inlet pipe 96 sequentially penetrates through the top plate 1, the upper die 2 and the upper die core 8 and is communicated with the die cavity.
Preferably, the left side and the right side of the lower die 3 are respectively and vertically provided with a positioning sliding groove 97, the left side and the right side of the top plate 1 correspond to the two positioning sliding grooves 97 and are respectively and vertically provided with a positioning sliding strip 98, and the positioning sliding strips 98 are respectively and slidably connected with the positioning sliding grooves 97.
The working principle is as follows: in the injection mold with the multiple inclined core-pulling mechanisms in the embodiment, during mold closing, the left and right positioning slide strips of the top plate are combined towards the middle along the two positioning slide grooves, the first core-pulling oil cylinder of the first inclined core-pulling mechanism is pushed inwards, the first core-pulling oil cylinder pushes the first sliding block to move inwards along the first slide groove of the first oil cylinder seat, the first sliding block penetrates through the upper mold and the upper mold core, and the first inclined core-pulling rod moves downwards along the first inclined slide groove and reaches the left side of the top in the cavity; a second core pulling oil cylinder of a second inclined core pulling mechanism pushes a second sliding block to move inwards along a second sliding groove of a second oil cylinder seat, a second inclined pulling rod and a third inclined pulling rod respectively penetrate through an upper die and an upper die core, the second inclined pulling rod moves downwards along the second inclined sliding groove at the front end of the second sliding block, the top end of the second inclined pulling rod reaches the cavity, the third inclined pulling rod moves downwards along the third inclined sliding groove at the front end of the second sliding block, the upper end of the third inclined pulling rod abuts against a positioning block, and the bottom end of the third inclined pulling rod reaches the right side of the top in the cavity; a sliding rod of the third core pulling mechanism moves downwards along the sliding seat, the sliding seat moves forwards, a fourth inclined pulling rod penetrates through the lower die and the lower die core, the bottom end of the fourth inclined pulling rod moves upwards along a fourth inclined sliding groove, and the top end of the fourth inclined pulling rod reaches the left side of the bottom of the die cavity; the back shovel mechanism is driven by the upper die to move downwards, and when the fourth sliding block moves downwards, the fifth sliding block moves forwards to reach the right side in the cavity; two fourth sliding rods of the horizontal core pulling mechanism form a splayed shape, the two fourth sliding rods are driven by the upper die to move downwards, the two fourth sliding rods respectively drive the two horizontal sliding blocks to move inwards along the two fourth sliding seats, the front ends of the two horizontal sliding blocks respectively reach the front end and the rear end of the interior of the cavity, the core pulling locking block is inserted into the locking block sliding groove, the bottom end of the core pulling locking block reaches the locking block positioning groove at the front end of the first oil cylinder seat, and the die assembly is completed; and (3) injecting plastic from the plastic inlet, allowing the plastic to enter the cavity along the plastic inlet pipeline, cooling by the first cooling mechanism and the second cooling mechanism, and opening the mold after injection molding, wherein the motion modes of the mechanisms are opposite to those of mold closing.
The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A precision mold for a chip shell is characterized by comprising a top plate, an upper mold, a lower mold and a base which are sequentially connected through guide pillars from top to bottom, wherein a first inclined core-pulling mechanism and a second inclined core-pulling mechanism are respectively arranged on the left side and the right side of the upper mold, an upper mold core is arranged on the lower portion of the upper mold, a lower mold core is arranged on the upper portion of the lower mold, the upper mold core and the lower mold core are mutually buckled, a cavity is formed in the middle of the upper mold core, a third inclined core-pulling mechanism is arranged on the left side of the base, the front end of the first inclined core-pulling mechanism extends into the cavity from the left side of the top of the upper mold core and is respectively in sliding connection with the upper mold and the upper mold core, the front end of the second inclined core-pulling mechanism extends into the cavity from the right side of the top of the upper mold core and is in sliding connection with the upper mold core and the lower mold core, the front end of the third inclined core-pulling mechanism extends into the cavity from the left side of the bottom of the lower mold core and is in sliding connection with the lower mold and the lower mold core, a first cooling mechanism and a second cooling mechanism are respectively arranged on the front side of the upper mold and the lower mold, a back shovel mechanism, and a back shovel mechanism are respectively arranged on the top of the upper mold;
the second inclined core pulling mechanism comprises a second oil cylinder seat, a second core pulling oil cylinder, a second sliding block, a positioning block, a second inclined pulling rod and a third inclined pulling rod, the left end of the second oil cylinder seat is embedded into the right end of the upper die, a second sliding groove is horizontally arranged in the second oil cylinder seat, the second sliding block is arranged in the second sliding groove in a sliding mode, the right end of the second oil cylinder seat is horizontally provided with the second core pulling oil cylinder, the working end of the second core pulling oil cylinder is connected with the right end of the second sliding block, the left end of the second sliding block is provided with an inclined surface, a second inclined sliding groove and a third inclined sliding groove which are parallel to each other are arranged on the inclined surface, the second inclined sliding groove is internally and slidably connected with the top end of the second inclined pulling rod, the third inclined sliding groove is slidably connected with the top end of the third inclined pulling rod, the positioning block is arranged at the left end of the bottom of the second sliding block, the third inclined pulling rod is slidably connected with the right side of the top of the upper die core;
the first inclined core pulling mechanism comprises a first core pulling oil cylinder, a first oil cylinder seat, a first sliding block and a first inclined pulling rod, the right end of the first oil cylinder seat is embedded into the left end of the upper die, a first sliding groove is horizontally arranged in the first oil cylinder seat, the first sliding block is arranged in the first sliding groove in a sliding mode, the first core pulling oil cylinder is horizontally arranged at the left end of the first oil cylinder seat, the working end of the first core pulling oil cylinder is connected with the left end of the first sliding block, a first inclined sliding groove is arranged at the right end of the first sliding block, the first inclined sliding groove is connected with the upper end of the first inclined pulling rod in a sliding mode, and the bottom end of the first inclined pulling rod is connected with the left side of the top of the upper die core in a sliding mode;
the third inclined core pulling mechanism comprises a sliding seat, a sliding rod, a third sliding block and a fourth inclined core pulling rod, wherein the top of the sliding rod is fixed at the left end of the bottom of the upper die, the sliding seat is horizontally arranged at the left end of the upper surface of the base, the third sliding block is arranged in the sliding seat in a sliding manner, the lower part of the sliding rod penetrates through and is connected with the third sliding block in a sliding manner, a fourth inclined sliding groove is arranged at the right end of the third sliding block, the bottom end of the fourth inclined core pulling rod is connected with the fourth inclined sliding groove in a sliding manner, and the top end of the fourth inclined core pulling rod is connected with the lower die core in a sliding manner;
the backhoe mechanism comprises a fourth sliding block and a fifth sliding block, the top end of the fourth sliding block is installed at the right end of the lower surface of the upper die, the rear end of the fifth sliding block is connected with the front end of the fourth sliding block in a sliding mode, the front end of the fifth sliding block is connected with the upper die core in a sliding mode, and the front end of the fifth sliding block is provided with a backhoe block;
the horizontal core pulling mechanism comprises two fixed plates, two fourth sliding rods, two horizontal sliding blocks and two fourth sliding seats, the two fixed plates are respectively arranged on the front side and the rear side of the middle part of the upper surface of the upper die, the two fourth sliding seats are respectively arranged on the front end and the rear end of the upper surface of the lower die, the upper surfaces of the two fourth sliding seats are respectively horizontally provided with a fourth sliding chute, the horizontal sliding blocks are respectively arranged in the two fourth sliding chutes in a sliding manner, the upper surfaces of the two horizontal sliding blocks are respectively provided with inclined sliding holes which penetrate through the upper surface and the lower surface, the two fourth sliding rods respectively penetrate through the upper die from top to bottom from inside to outside in an inclined manner, the top ends of the four sliding rods are respectively connected with the bottom surfaces of the two fixed plates, and the bottom ends of the four sliding rods are respectively connected with the two horizontal sliding blocks in a sliding manner through the two inclined sliding holes;
the first inclined core pulling mechanism further comprises a core pulling locking block, a locking block sliding groove which penetrates through the first sliding block from top to bottom is formed in the middle of the upper surface of the first sliding block, a locking block positioning groove is formed in the front end of the first oil cylinder base, the core pulling locking block penetrates through the locking block sliding groove, and the bottom end of the core pulling locking block is located in the locking block positioning groove and is respectively connected with the first sliding block and the first oil cylinder base in a sliding mode.
2. The precision mold for the chip shell according to claim 1, wherein the third diagonal core-pulling mechanism further comprises a first limiting block and a second limiting block, the first limiting block is disposed on the left side surface of the base corresponding to the bottom of the slide bar, and the second limiting block is disposed on the left side surface of the lower mold corresponding to the third slide block.
3. The precision mold for chip housings according to claim 1, wherein an ejection mechanism is disposed in the middle of the base, the ejection mechanism comprises four guide shafts, a movable plate, and four ejector pins, the four guide shafts are vertically disposed between the lower mold and the base, the movable plate is horizontally disposed and slidably connected to the four guide shafts, the ejector pins are vertically disposed on the upper surface of the movable plate, and the top ends of the ejector pins penetrate through and slidably connect to the lower mold and the lower mold core, respectively.
4. The precision mold for the chip shell according to claim 1, wherein the first cooling mechanism comprises a cooling joint and a cooling pipeline, the cooling joint is arranged on the front side surface of the upper mold, the cooling joint is provided with a water inlet and a water outlet, one end of the cooling pipeline is connected with the water inlet, the other end of the cooling pipeline is connected with the water outlet, and the middle part of the cooling pipeline is communicated with the interior of the upper mold and the interior of the upper mold core.
5. The precision mold for chip housings according to claim 4, wherein the second cooling mechanism is provided at a front side surface of the lower mold and communicates with the lower mold and the inside of the lower core, and the second cooling mechanism is identical in structure to the first cooling mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011545802.2A CN112590136B (en) | 2020-12-23 | 2020-12-23 | Precise mold for chip shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011545802.2A CN112590136B (en) | 2020-12-23 | 2020-12-23 | Precise mold for chip shell |
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| CN112590136B true CN112590136B (en) | 2022-11-25 |
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| CN210026135U (en) * | 2019-04-17 | 2020-02-07 | 浙江创元模具科技有限公司 | Double-slider core-pulling mechanism of gap bridge bending injection mold |
| CN110757745B (en) * | 2019-12-30 | 2020-04-03 | 慈溪市盛艺模具有限公司 | Secondary ejection core-pulling structure of spoiler support mold |
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Effective date of registration: 20221103 Address after: No. 588, Shenyang South Road, torch hi tech Industrial Development Zone, Weihai City, Shandong Province, 264200 Applicant after: Tianxin Precision Engineering Technology (Weihai) Co.,Ltd. Address before: 518000 201, office building 1, Huayi longpingshan industrial plant, south of Huaide South Road, Zhukeng community, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN HESTER TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A precision mold for chip casings Effective date of registration: 20231221 Granted publication date: 20221125 Pledgee: China Construction Bank Corporation Weihai high tech sub branch Pledgor: Tianxin Precision Engineering Technology (Weihai) Co.,Ltd. Registration number: Y2023980073255 |
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