CN114131855B - Plug forming die - Google Patents
Plug forming die Download PDFInfo
- Publication number
- CN114131855B CN114131855B CN202111420990.0A CN202111420990A CN114131855B CN 114131855 B CN114131855 B CN 114131855B CN 202111420990 A CN202111420990 A CN 202111420990A CN 114131855 B CN114131855 B CN 114131855B
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- Prior art keywords
- counterpoint
- auxiliary
- groove
- lower die
- row
- Prior art date
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- 238000001746 injection moulding Methods 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 12
- 230000006978 adaptation Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000009740 moulding (composite fabrication) Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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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
-
- 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
- B29C45/14065—Positioning or centering articles in the mould
-
- 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
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- 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
- B29C45/14639—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 for obtaining an insulating effect, e.g. for electrical components
-
- 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
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a plug forming die which comprises an upper die and a lower die, wherein a lower die core is arranged above the lower die, a lower cavity is arranged in the lower die core, two rows of injection molding jacks for inserting the ends of two rows of L-shaped terminals are arranged at the bottom of the lower cavity, the plug forming die further comprises an auxiliary aligning block and an auxiliary supporting block, the lower die core and the lower die are arranged in a split mode, the lower die is provided with a side pushing channel for pushing the lower die core from the side, a right angle aligning groove is arranged below the auxiliary aligning block, after the right angle aligning groove is placed in a first row of L-shaped terminals, the corner of the right angle aligning groove is abutted against the corner of the first row of L-shaped terminals, one end of the first row of L-shaped terminals is opposite to the injection molding jacks, the other end of the first row of L-shaped terminals is opposite to the auxiliary supporting block, a side supporting hole for inserting the ends of the first row of L-shaped terminals is arranged on the opposite side of the auxiliary supporting block to the auxiliary supporting block, and a supporting groove for supporting the other end of the second row of L-shaped terminals after the second row of L-shaped terminals is inserted into the injection molding jacks is arranged above the auxiliary supporting block. By adopting the scheme, the invention provides the plug forming die which can ensure the quality of finished products and improve the processing efficiency.
Description
Technical Field
The invention relates to the field of dies, in particular to a plug forming die.
Background
The mould is a variety of moulds and tools used for injection moulding, blow moulding, extrusion, die casting, forging and forming, smelting, stamping and other methods in industrial production to obtain the required products. The plastic mould is a mould which is formed by injecting melted materials into the mould from a glue inlet nozzle and cooling and molding the materials in a cavity.
As shown in fig. 1, the plug that needs to process includes plastic main part a, plastic main part is provided with two rows of L-shaped terminals, first row L-shaped terminal b is four, second row L-shaped terminal c is two, traditional mode of moulding plastics needs to put up six L-shaped terminals in the die cavity one by one, it is again to mould plastics, this kind of structure has certain inconvenience, on the one hand, L-shaped terminal is inside plastic main part, before moulding plastics, because L-shaped terminal does not have the support of moulding plastics main part, only rely on the plug-in of one end to be unable stable, pinpoint, lead to the finished product quality to decline, on the other hand, the efficiency of putting up is lower, the L-shaped terminal of putting up earlier in the process of putting up can not influence the L-shaped terminal of follow-up, the L-shaped terminal position of putting up earlier can also make, need readjustment, the cope can block local view again, lead to the efficiency of putting up to reduce.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the plug forming die which can ensure the quality of finished products and improve the processing efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: including last mould and lower mould, the lower mould top be provided with the lower mould benevolence, the lower mould benevolence in be provided with the lower die cavity, lower die cavity bottom be provided with two rows and supply two L shape terminal tip male jack of moulding plastics, its characterized in that: the lower die core is provided with a side pushing channel for pushing the lower die core from the side face, the auxiliary alignment block is provided with a right-angle alignment groove below, after the right-angle alignment groove is placed in the first row of L-shaped terminals, the corner of the right-angle alignment groove is abutted against the corner of the first row of L-shaped terminals, one end of the first row of L-shaped terminals is opposite to an injection molding jack, the other end of the first row of L-shaped terminals is opposite to an auxiliary support block located on the side face of the auxiliary alignment block, the side face of the auxiliary support block opposite to the auxiliary alignment block is provided with a side support hole for inserting the end part of the first row of L-shaped terminals, and a support groove for supporting the other end of the second row of L-shaped terminals after one end of the second row of L-shaped terminals is inserted into the injection molding jack is formed above the auxiliary support block.
By adopting the technical scheme, the lower die core which is separated from the lower die can be pushed in or pushed out from the side surface of the lower die, all L-shaped terminals are pushed into the lower die together after being filled into the lower die core, the visual field and operation obstruction caused by assembly by an upper die are avoided, simultaneously, the auxiliary alignment block and the auxiliary supporting block are matched, the bottoms of the auxiliary alignment block and the auxiliary supporting block are firstly arranged upwards, the first row of L-shaped terminals are arranged in all right angle alignment grooves and are inserted into side supporting holes, the auxiliary alignment block and the auxiliary supporting block are turned over after the arrangement is finished, the other end of the first row of L-shaped terminals, which is inserted into the side supporting holes, is downwards, so that a plurality of first row of L-shaped terminals can be simultaneously and orderly inserted into injection molding jacks for one time, the auxiliary alignment block is taken away after the insertion is finished, at this moment, one end of the first row of L-shaped terminals is positioned in the injection molding jack, the other end of the first row of L-shaped terminals is positioned in the side supporting hole, the stable injection molding position supported by two ends is formed, and the first row of L-shaped terminals are not easy to shift.
The invention is further provided with: the side push channel be provided with the push-in mouth that supplies the lower mould benevolence to push in and be located the locating wall of push-in mouth opposite side, the lower mould benevolence be provided with the locating hole along vertical, the last mould be provided with the reference column, the locating hole lateral wall be provided with along with the height reduction gradually to keeping away from the pressurized locating surface of the direction slope of counterpoint wall, the reference column below be provided with the extrusion locating surface parallel with pressurized locating surface, the last mould when descending extrusion locating surface extrusion pressurized counterpoint face, make the lower mould benevolence remove to vertical guide face until laminating completely.
Through adopting above-mentioned technical scheme, manual push the side push channel with the lower mould benevolence until offset with the locating wall, accomplish and just fix a position, in last mould decline in-process, insert the locating hole by the reference column and accomplish accurate location, make die cavity and core between last mould and the lower mould can accurately correspond to effectively guarantee finished product quality, also can keep constantly at the in-process of moulding plastics simultaneously.
The invention is further provided with: the side pushing channel is provided with guide rail strips at two sides of the pushing direction of the lower die core, and a correction inclined plane for guiding the lower die core to the middle is arranged at the end part of the guide rail strip close to the pushing opening.
Through adopting above-mentioned technical scheme, add the guide track piece, the lower mould benevolence width of adaptation different specifications to provide better smoothness of inserting through reducing friction, simultaneously, the correction inclined plane of the tip of cooperation guide track strip can the lower mould benevolence orientation of automatic adjustment a small amount skew, makes it right with the side push channel, thereby improves machining efficiency.
The invention is further provided with: the lower die core be provided with the lower die cavity UNICOM and put the counterpoint groove of auxiliary stay piece in the injection molding process, the counterpoint groove be located with the both sides of lower die cavity UNICOM position be provided with the vertical guide face of vertical lower die core of leading auxiliary stay piece, last mould be provided with the side briquetting, the opposite side of auxiliary stay piece relative vertical guide face be provided with the pressurized counterpoint face, the pressurized counterpoint face incline to the direction of keeping away from vertical guide face gradually along with the height reduction, the counterpoint groove be provided with the counterpoint region, side briquetting and counterpoint region position relatively, side briquetting below be provided with the extrusion counterpoint face parallel with pressurized counterpoint face, last mould descend when the extrusion counterpoint face, make auxiliary stay piece to vertical guide face remove until laminating completely, the opposite side of counterpoint region relative auxiliary stay piece be provided with the counterpoint step, side briquetting below corner and counterpoint step correspond and be provided with the sunken with counterpoint step shape looks adaptation, the counterpoint groove be provided with along being close to the orientation of side wall and remove the sand grip and move the cooperation of sand grip.
Through adopting above-mentioned technical scheme, because the in-process of moulding plastics, the material can produce pressure to auxiliary stay piece, for guaranteeing auxiliary stay piece stability, in last mould decline in-process, extrusion counterpoint face extrusion is pressed and is counterpoint face, makes auxiliary stay piece remove to vertical guide face until laminating completely, simultaneously, counterpoint step cooperation counterpoint is sunken, makes the side pressure piece reach can accurately be located counterpoint region after counterpoint region, in addition, removes the sand grip and removes the sunken location when not only being used for auxiliary stay piece to pack into lower mould benevolence to carry out accurate guide when receiving the extrusion of survey briquetting, guarantee the processing reliability.
The invention is further provided with: the upper die is provided with an upper pressing block, the upper pressing block is propped against the upper end face of the auxiliary supporting block when the upper die descends, the upper pressing block is provided with an extension part extending to the alignment groove, the extension part and the alignment groove form a hole-shaped structure matched with the shape of the end part of the L-shaped terminal, a spring groove is formed above the upper pressing block, and a compression spring for resetting the upper pressing block to the auxiliary supporting block is arranged in the spring groove.
Through adopting above-mentioned technical scheme, because in the injection molding process, the material can produce pressure to auxiliary stay piece, for guaranteeing auxiliary stay piece stability, so extrude auxiliary stay piece from the top by last briquetting, simultaneously, in order to avoid L shape terminal tip material shaping, so form the hole structure cladding with L shape terminal by extension and counterpoint groove group, in addition, add spring groove cooperation compression spring, compensate interval error, make the cooperation more smooth and easy, inseparable.
The invention is further provided with: still include operating handle, lower mould benevolence below be provided with the T-shaped groove, operating handle include with T-shaped groove shape looks adaptation and with the fixed T-shaped piece in T-shaped groove and extend to the lower mould outside and supply the gripping portion that the hand held, the lower mould be provided with the operation recess below being located the gripping portion.
Through adopting above-mentioned technical scheme, T-shaped groove and T shape piece cooperation constitute operating handle and the stable linkage of lower mould benevolence, and the staff of being convenient for holds the portion of gripping and pushes the lower mould benevolence to push the side and push away the passageway deepest, simultaneously, cooperation operation is sunken, increases the stretching into that can push into on the one hand, on the other hand, the hand can not collide with the lower mould lateral wall during quick operation, avoids the staff injured.
The invention is further provided with: the lower die core comprises a base plate and a die core main body fixed above the base plate, wherein the die core main body is provided with insert blocks which respectively form injection molding insertion holes, and the insert blocks are sealed at the bottom of the die core main body through the base plate.
Through adopting above-mentioned technical scheme, injection molding jack is as the position and the most wearing and tearing position of decision finished product quality core, sets up with the die core main part components of a whole that can function independently to by sealing in die core main part bottom, be convenient for change and maintenance, avoid changing whole die core because of the die core damage, reduce cost of maintenance.
The invention is further provided with: the width of the base plate is larger than that of the die core main body, and base plate bulges which are in sliding fit with the guide track strips are formed on two sides of the base plate.
By adopting the technical scheme, the width of the substrate is adjusted to be larger than that of the die core main body, and the formed substrate matched with the guide rail strip in a sliding way is convex, so that the smooth drawing and the accurate alignment are further improved.
Drawings
Fig. 1 is a perspective view of a plug;
FIG. 2 is a perspective view of an embodiment of the present invention;
FIG. 3 is a bottom perspective view of the upper die in an embodiment of the invention;
FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is a top perspective view of a lower die in an embodiment of the invention;
FIG. 6 is an enlarged view of B in FIG. 5;
FIG. 7 is a bottom perspective view of a lower mold insert according to an embodiment of the present invention;
FIG. 8 is a perspective view of an upper press block in an embodiment of the present invention;
FIG. 9 is a perspective view of an auxiliary alignment block and auxiliary support block with the bottom up in an embodiment of the present invention;
fig. 10 is a cross-sectional view of an auxiliary alignment block and an auxiliary support block in an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 2-10, the invention discloses a plug forming die, which comprises an upper die 1 and a lower die 2, wherein a lower die core 3 is arranged above the lower die 2, the upper die 1 is provided with an upper die core 6, an upper die cavity 61 is arranged in the upper die core 6, a lower die cavity 31 is arranged in the lower die core 3, two rows of injection molding jacks 311 for inserting the end parts of two rows of L-shaped terminals are arranged at the bottom of the lower die cavity 31, the plug forming die also comprises an auxiliary alignment block 4 and an auxiliary supporting block 5, the lower die core 3 and the lower die 2 are arranged in a split manner, the lower die 2 is provided with a side pushing channel 21 for pushing the lower die core 3 from the side, the auxiliary alignment block 4 is provided with a right-angle alignment groove 41 at the lower part, after the right-angle alignment groove 41 is put into the first row of L-shaped terminals b, the corner of the right-angle alignment groove 41 is propped against the corner of the first row of L-shaped terminals b, one end of the first row of L-shaped terminals b is opposite to the injection molding jacks 311, the other end of the auxiliary supporting block is opposite to an auxiliary supporting block 5 positioned on the side surface of the auxiliary aligning block 4, a side supporting hole 51 for inserting and matching the end parts of the first row of L-shaped terminals b is arranged on the side surface of the auxiliary supporting block 5 opposite to the auxiliary aligning block 4, a supporting groove 52 for inserting one end of the second row of L-shaped terminals c into the injection molding jack 311 and supporting the other end is arranged above the auxiliary supporting block 5, the lower die core 3 separated from the lower die 2 can be pushed in or pushed out from the side surface of the lower die 2, all L-shaped terminals are put into the lower die core 3 and then are pushed in the lower die 2 together, the visual field and operation obstruction caused by the upper die 1 are avoided, meanwhile, the bottom parts of the auxiliary aligning block 4 and the auxiliary supporting block 5 are upwards matched (shown in fig. 9), the first row of L-shaped terminals b are stacked in the right angle aligning grooves 41 and inserted into the side supporting hole 51, after stacking, the auxiliary alignment block 4 and the auxiliary supporting block 5 are turned over (i.e. as shown in fig. 10), so that the first row of L-shaped terminals b are inserted into the other end of the side supporting hole 51 to be downward, so that a plurality of first row of L-shaped terminals b can be simultaneously and orderly inserted into the injection molding jack 311, the auxiliary alignment block 4 is taken away after insertion, at this moment, one end of the first row of L-shaped terminals b is positioned in the injection molding jack 311, the other end of the first row of L-shaped terminals b is positioned in the side supporting hole 51 to form a stable injection molding position supported at two ends and is not easy to shift, and because the number of the second row of L-shaped terminals c is small, the end of the second row of L-shaped terminals c can be manually inserted into the injection molding jack 311, and the other end of the second row of L-shaped terminals c is supported by the supporting groove 52 above the auxiliary supporting block 5, so that the stable injection molding position can be maintained, thereby ensuring the injection molding processing of a high-quality plug to be completed through accurate L-shaped terminal positioning.
The side pushing channel 21 is provided with a pushing inlet 211 for pushing the lower die core 3 and a positioning wall 212 positioned at the other side of the pushing inlet 211, the lower die core 3 is vertically provided with a positioning hole 32, the upper die 1 is provided with a positioning column 11, the side wall of the positioning hole 32 is provided with a pressed positioning surface 321 which is gradually inclined along with the height reduction and far away from the direction of the positioning wall, the lower part of the positioning column 11 is provided with an extrusion positioning surface 111 parallel to the pressed positioning surface 321, the extrusion positioning surface 111 extrudes the pressed positioning surface when the upper die 1 descends, so that the lower die core 3 moves towards the vertical guiding surface until being completely attached, the lower die core 3 is manually pushed into the side pushing channel 21 until being propped against the positioning wall 212, initial positioning is finished, and in the descending process of the upper die 1, the positioning column 11 is inserted into the positioning hole 32 to finish accurate positioning, so that a cavity and a core between the upper die 1 and the lower die 2 can be accurately corresponding, thereby the quality of a finished product can be effectively ensured, and meanwhile, the product can be continuously maintained in the injection molding process.
The two sides of the side pushing channel 21, which are opposite to the pushing direction of the lower die core 3, are respectively provided with a guide rail strip 213, the end part of the guide rail strip 213, which is close to the pushing inlet 211, is provided with a correction inclined plane 2131 for guiding the lower die core 3 to the middle, a guide rail block is additionally arranged to adapt to the widths of the lower die cores 3 with different specifications, and better insertion smoothness is provided by reducing friction, meanwhile, the correction inclined plane 2131, which is matched with the end part of the guide rail strip 213, can automatically adjust the orientation of the lower die core 3 with a small amount of offset, and is opposite to the side pushing channel 21, so that the processing efficiency is improved.
The lower die core 3 is provided with an alignment groove 33 which is communicated with the lower die cavity 31 and is used for placing the auxiliary supporting block 5 in the injection molding process, two sides of the alignment groove 33, which are positioned at the communication position with the lower die cavity 31, are respectively provided with a vertical guide surface 331 for guiding the auxiliary supporting block 5 to vertically put into the lower die core 3, the upper die 1 is provided with a side pressing block 12, the other side of the auxiliary supporting block 5 opposite to the vertical guide surface 331 is provided with a pressed alignment surface 53, the pressed alignment surface 53 gradually inclines towards the direction away from the vertical guide surface 331 along with the height reduction, the alignment groove 33 is provided with an alignment area 332, the side pressing block 12 is opposite to the alignment area 332, an extrusion alignment surface 121 parallel to the pressed alignment surface 53 is arranged below the side pressing block 12, the extrusion alignment surface 121 extrudes the pressed alignment surface 53 when the upper die 1 descends, so that the auxiliary supporting block 5 moves to the vertical guide surface 331 until the auxiliary supporting block 5 is completely attached, the other side of the alignment area 332 opposite to the auxiliary supporting block 5 is provided with an alignment step 333, the lower corner of the side pressure block 12 is correspondingly provided with an alignment recess 122 matched with the alignment step 333 in shape, the alignment groove 33 is provided with a moving raised line 334 along the direction close to the positioning wall 212, the bottom of the auxiliary support block 5 is provided with a moving recess 54 in sliding fit with the moving raised line 334, because in the injection molding process, materials can generate pressure on the auxiliary support block 5, in order to ensure the stability of the auxiliary support block 5, in the descending process of the upper die 1, the alignment surface 121 is pressed to press the pressed alignment surface 53, so that the auxiliary support block 5 moves to the vertical guide surface 331 until the auxiliary support block is completely fit, meanwhile, the alignment step 333 is matched with the alignment recess 122, so that the side pressure block 12 can be accurately positioned in the alignment region 332 after reaching the alignment region 332, in addition, the moving raised line 334 and the moving recess 54 are not only used for positioning when the auxiliary support block 5 is loaded into the lower die core 3, and accurately guide the test block when the test block is extruded, so that the processing reliability is ensured.
The upper die 1 is provided with an upper pressing block 13, the upper pressing block 13 is propped against the upper end face of the auxiliary supporting block 5 when the upper die 1 descends, the upper pressing block 13 is provided with an extension part 131 extending to an alignment groove 33, the extension part 131 and the alignment groove 33 form a hole-shaped structure matched with the shape of the end part of the L-shaped terminal, a spring groove 132 is arranged above the upper pressing block 13, a compression spring 133 for resetting the upper pressing block 13 to the auxiliary supporting block 5 is arranged in the spring groove 132, and in the injection molding process, materials can generate pressure on the auxiliary supporting block 5 to ensure the stability of the auxiliary supporting block 5, so the auxiliary supporting block 5 is extruded from the upper pressing block 13 from the upper side, meanwhile, in order to avoid the formation of the end part material of the L-shaped terminal, the L-shaped terminal is coated by the extension part 131 and the alignment groove 33, in addition, the spring groove 132 is matched with the compression spring 133 to compensate for the space error, so that the matching is smoother and tighter.
Still include operating handle 34, lower mould benevolence 3 below is provided with T-shaped groove 35, operating handle 34 includes with T-shaped groove 35 shape looks adaptation and with T-shaped groove 35 fixed T-shaped piece 341 and extends to the outside of lower mould 2 and supply the gripping portion 342 that the hand held, lower mould 2 is located the gripping portion 342 below and is provided with operation recess 22, T-shaped groove 35 cooperates with T-shaped piece 341 and constitutes operating handle 34 and the stable linkage of lower mould benevolence 3, the staff of being convenient for holds gripping portion 342 and pushes into the side push channel 21 deepest with lower mould benevolence 3, simultaneously, cooperation operation recess 22, on the one hand increases the stretching into that can push into, on the other hand can not collide with lower mould 2 lateral wall during fast operation, avoid the staff injured.
The lower die core 3 comprises a base plate 36 and a die core main body 37 fixed above the base plate 36, the die core main body 37 is provided with inserts 371 respectively forming injection molding jacks 311, the inserts 371 are sealed at the bottom of the die core main body 37 by the base plate 36, the injection molding jacks 311 are used as the most core position and the most abrasion position for determining the quality of a finished product, are arranged separately from the die core main body 37 and are sealed at the bottom of the die core main body 37, so that the replacement and the maintenance are convenient, the whole die core is prevented from being replaced due to the damage of the die core, and the maintenance cost is reduced.
The width of the substrate 36 is larger than that of the die core main body 37, substrate protrusions 361 which are in sliding fit with the guide rail strips 213 are formed on two sides of the substrate, and the width of the substrate is adjusted to be larger than that of the die core main body, so that the formed substrate protrusions which are in sliding fit with the guide rail strips are further improved in drawing smoothness and accurate alignment.
Claims (7)
1. The utility model provides a plug forming die, includes mould and lower mould, the lower mould top be provided with the lower mould benevolence, the lower mould benevolence in be provided with the lower die cavity, lower die cavity bottom be provided with two rows and supply two L shape terminal tip male jack of moulding plastics, its characterized in that: the lower die core is provided with a side pushing channel for pushing the lower die core from the side face, the auxiliary alignment block is provided with a right-angle alignment groove below, after the right-angle alignment groove is placed in the first row of L-shaped terminals, the corner of the right-angle alignment groove is abutted against the corner of the first row of L-shaped terminals, one end of the first row of L-shaped terminals is opposite to an injection molding jack, the other end of the first row of L-shaped terminals is opposite to an auxiliary support block positioned on the side face of the auxiliary alignment block, the side face of the auxiliary support block opposite to the auxiliary alignment block is provided with a side support hole for inserting the end part of the first row of L-shaped terminals, and a support groove for supporting the other end of the second row of L-shaped terminals after one end of the second row of L-shaped terminals is inserted into the injection molding jack is arranged above the auxiliary support block;
the upper die is provided with an upper pressing block, the upper pressing block is propped against the upper end face of the auxiliary supporting block when the upper die descends, the upper pressing block is provided with an extension part extending to the alignment groove, the extension part and the alignment groove form a hole-shaped structure matched with the shape of the end part of the L-shaped terminal, a spring groove is formed above the upper pressing block, and a compression spring for resetting the upper pressing block to the auxiliary supporting block is arranged in the spring groove.
2. The plug molding die according to claim 1, wherein: the side push channel be provided with the push-in mouth that supplies the lower mould benevolence to push in and be located the locating wall of push-in mouth opposite side, the lower mould benevolence be provided with the locating hole along vertical, the last mould be provided with the reference column, the locating hole lateral wall be provided with along with the height reduction gradually to keeping away from the pressurized locating surface of the direction slope of counterpoint wall, the reference column below be provided with the extrusion locating surface parallel with pressurized locating surface, the last mould when descending extrusion locating surface extrusion pressurized counterpoint face, make the lower mould benevolence remove to vertical guide face until laminating completely.
3. The plug molding die according to claim 2, wherein: the side pushing channel is provided with guide rail strips at two sides of the pushing direction of the lower die core, and a correction inclined plane for guiding the lower die core to the middle is arranged at the end part of the guide rail strip close to the pushing opening.
4. The plug molding die according to claim 1, wherein: the lower die core be provided with the lower die cavity UNICOM and put the counterpoint groove of auxiliary stay piece in the injection molding process, the counterpoint groove be located with the both sides of lower die cavity UNICOM position be provided with the vertical guide face of vertical lower die core of leading auxiliary stay piece, last mould be provided with the side briquetting, the opposite side of auxiliary stay piece relative vertical guide face be provided with the pressurized counterpoint face, the pressurized counterpoint face incline to the direction of keeping away from vertical guide face gradually along with the height reduction, the counterpoint groove be provided with the counterpoint region, side briquetting and counterpoint region position relatively, side briquetting below be provided with the extrusion counterpoint face parallel with pressurized counterpoint face, last mould descend when the extrusion counterpoint face, make auxiliary stay piece to vertical guide face remove until laminating completely, the opposite side of counterpoint region relative auxiliary stay piece be provided with the counterpoint step, side briquetting below corner and counterpoint step correspond and be provided with the sunken with counterpoint step shape looks adaptation, the counterpoint groove be provided with along being close to the orientation of side wall and remove the sand grip and move the cooperation of sand grip.
5. The plug molding die according to claim 1, wherein: still include operating handle, lower mould benevolence below be provided with the T-shaped groove, operating handle include with T-shaped groove shape looks adaptation and with the fixed T-shaped piece in T-shaped groove and extend to the lower mould outside and supply the gripping portion that the hand held, the lower mould be provided with the operation recess below being located the gripping portion.
6. A plug forming die according to claim 3, wherein: the lower die core comprises a base plate and a die core main body fixed above the base plate, wherein the die core main body is provided with inserts respectively forming injection molding jacks, and the inserts are sealed at the bottom of the die core main body by the base plate.
7. The plug molding die according to claim 6, wherein: the width of the base plate is larger than that of the die core main body, and base plate bulges which are in sliding fit with the guide track strips are formed on two sides of the base plate.
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| CN202111420990.0A CN114131855B (en) | 2021-11-26 | 2021-11-26 | Plug forming die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111420990.0A CN114131855B (en) | 2021-11-26 | 2021-11-26 | Plug forming die |
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| CN114131855A CN114131855A (en) | 2022-03-04 |
| CN114131855B true CN114131855B (en) | 2023-11-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115447077A (en) * | 2022-09-09 | 2022-12-09 | 上海交通大学 | Wax mould with replaceable mould core |
| CN115782082A (en) * | 2022-11-30 | 2023-03-14 | 立讯精密组件(昆山)有限公司 | Bullet piece mechanism and injection mold |
| CN118061458A (en) * | 2024-04-07 | 2024-05-24 | 东莞晋原电子有限公司 | Power plug injection molding die |
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|---|---|
| CN114131855A (en) | 2022-03-04 |
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