CN104985764A - End cover type plastic part mold - Google Patents

End cover type plastic part mold Download PDF

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Publication number
CN104985764A
CN104985764A CN201510349384.2A CN201510349384A CN104985764A CN 104985764 A CN104985764 A CN 104985764A CN 201510349384 A CN201510349384 A CN 201510349384A CN 104985764 A CN104985764 A CN 104985764A
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CN
China
Prior art keywords
moving platen
plastic
oblique
mould
die
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510349384.2A
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Chinese (zh)
Inventor
王乾
徐自明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Vocational Institute of Light Industry
Original Assignee
Changzhou Vocational Institute of Light Industry
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Vocational Institute of Light Industry filed Critical Changzhou Vocational Institute of Light Industry
Priority to CN201510349384.2A priority Critical patent/CN104985764A/en
Publication of CN104985764A publication Critical patent/CN104985764A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels Runner channels or runner nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels Runner channels or runner nozzles
    • B29C45/2701Details not specific to hot or cold runner channels
    • B29C45/2708Gates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould
    • B29C45/7312Construction of heating or cooling fluid flow channels

Abstract

The invention relates to the technical field of plastic part molds, in particular to an end cover type plastic part mold. The end cover type plastic part mold comprises a forming mechanism, a pouring system, a cooling device, a side core pulling mechanism and a side parting mechanism. The forming mechanism comprises a female mold, a male mold and a side core sliding block. The side core sliding block, the female mold and the male mold are assembled to form a cavity matched with a plastic part. The pouring system is communicated with the cavity. The cooling device and the side core pulling mechanism are both arranged on the forming mechanism. The side parting mechanism is arranged below the forming mechanism. By the adoption of the end cover type plastic part mold, the mold structure is simplified, and practicality is improved.

Description

End covers plastic part mould
Technical field
The present invention relates to plastic part mould technical field, especially a kind of end covers plastic part mould.
Background technology
Along with the development of society, the raising of human living standard, the requirement of people to plastic product is increased day by day, not only should there is the effect of requirement, also should have appearance elegant in appearance, Plastics in China goods industry is being significantly improved in recent years, thus has also driven developing rapidly of plastic part mould.End covers plastic component structure is as shown in figure 11 complicated, the edge of plastic is thinner easily to be damaged when the demoulding, it is comparatively simple that cooling water channel in traditional moulds is generally that plane formula is processed relatively, but practical effect is unsatisfactory, template loosening meeting in use causes leaks, three-dimensional cooling water channel is adopted so general, water channel is each passed through die and puts in solid plate, passed by moving platen again, by suitable for reading enter water, cooling water in the duct time gravitate free-falling, can pile up at lower end of duct and row does not go out, cause local ponding, water accumulation part causes plastic hot-spot due to cooling effect difference and burns out, plastic intensity is caused to decline, degradation, existing sprue puller has two kinds, and one is Z-shaped, and another kind is back taper, Z-shaped sprue puller coagulates when the demoulding that material hangs on sprue puller cannot Automatic-falling, and need manually to be separated, the sprue puller of back taper needs the cold slug well on moving platen to offer into up-narrow and down-wide, be difficult to processing, need special technique.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve the problem of end covers plastic difficult processing, now provides a kind of end covers plastic part mould.
The technical solution adopted for the present invention to solve the technical problems is: a kind of end covers plastic part mould, comprises shaping mechanism, running gate system, cooling device, side core-drawing mechanism and undercut mechanism;
Described shaping mechanism comprises die, punch and side core slide block, and described side core slide block, die and punch matched moulds form the die cavity matched with plastic;
Described running gate system is communicated with described die cavity, and described cooling device and side core-drawing mechanism are all arranged on described shaping mechanism, and described undercut organization establishes is in the below of described shaping mechanism.
Further, described shaping mechanism also comprises solid plate and moving platen, described die and punch are arranged between described solid plate and moving platen, described die is fixed on solid plate, described punch is fixed on moving platen, the one side that described punch is relative with die is provided with runner, the two ends of described runner all offer cast gate, the centre described punch being positioned at runner is provided with solidifying material cave, the inwall in described solidifying material cave is provided with some grooves, the groove on the inwall of solidifying material cave is utilized to catch on the solidifying material of cold burden pull-out of the inside during die sinking, to coagulate outside material launch mode by sprue puller during the demoulding, realize the full-automatic demoulding, two breach chargings can reduce the generation of weld mark.
In order to reduce the processing capacity of the gate vestiges of sprue bush, further, described running gate system comprises sprue bush, described sprue bush is communicated with die cavity with die through solid plate successively, described sprue bush is provided with taper sprue, the small end of described taper sprue is positioned at the feed end of sprue bush, taper sprue amplifies gradually towards its width on the direction of runner, when can ensure to break cast gate, break at the minimum place of taper sprue width of sprue bush, gate vestiges only need be repaiied less, decreases the following process time.
Further, described side core-drawing mechanism comprises columned Angle Pin, described Angle Pin is fixed on solid plate, described side core slide block is provided with the inclined hole matched with described Angle Pin, described Angle Pin and described inclined hole are slidably connected, and the side of described Angle Pin offers plane, and described side core skid is arranged on described moving platen, plane on Angle Pin and there is gap between inclined hole and form empty avoiding, is conducive to the slide guide of Angle Pin in inclined hole smooth and easy.
Further, described undercut mechanism comprises push rod holder, push pedal, oblique top and dynamic model base, below described moving platen, push rod holder is installed successively, push pedal and dynamic model base, between described moving platen and described push rod holder, some springs are installed, described punch is provided with the through hole matched with described oblique top, the below described moving platen being positioned at through hole is provided with inclined top hole, bottom and the described push pedal of described oblique top are slidably connected, the top of described oblique top is positioned at through hole through described inclined top hole, gap is left between the sidewall of described oblique top and inclined top hole.
In order to ensure that side core slide block is reliably extracted out and resets, further, described side core slide block is provided with T-shaped guide rail, described moving platen offers chute, the both sides described moving platen being positioned at described chute are provided with press strip, form the T-slot that described T-shaped guide rail matches between described press strip and chute, and chute processing is easy, and tradition changes special T-shaped milling cutter processing in T-slot adding man-hour requirement, waste time and energy.
Further, the top end face of described oblique top is provided with projection, side and the end face of described projection and plastic inner chamber contact, the top end contact of plastic side lower surface and described oblique top, on the top end face that the thickness L2 of the plastic side contacted with the top end face of oblique top is less than oblique top, the point of outermost is to protruding distance L, avoid oblique top in the process ejected, destroy the edge of plastic on the one hand, cause pulling or being out of shape of plastic edge, the part that another aspect top end face extends plastic edge can help oblique top to reset, it can take the lead in contacting die and reset when matched moulds, without the need to setting up release link in addition.
In order to prevent local ponding, cause water accumulation part cooling effect poor, further, described cooling device comprises multichannel cooling water channel, and cooling water channel described in every road is successively through described moving platen, punch, solid plate and die, and the water inlet of described cooling water channel is arranged on moving platen, the delivery port of described cooling water channel is arranged on solid plate, cooling water successively to be risen discharge by lower end, there is not long-pending water problem, obtains better cooling effect.
Further, described solidifying material cave is provided with the sprue puller matched with it, and described sprue puller is fixed on push rod holder.
Offset on moving platen to prevent press strip, further, described press strip is provided with locating piece, described moving platen is provided with the locating slot matched with described locating piece, described locating piece snaps in described locating slot, press strip is because locating piece snaps onto in locating slot on moving platen, and press strip can not offset on moving platen, ensure that the slip of side core slide block on moving platen.
The invention has the beneficial effects as follows: end covers plastic part mould of the present invention catches on the solidifying material of cold burden pull-out of the inside by the groove on the inwall of solidifying material cave, when realizing the demoulding, plastic and running gate system coagulate automatically being separated of material and mould; By sprue bush being provided with taper sprue, realize breaking at cast gate place when plastic and cast gate are broken, gate vestiges only need be repaiied less and even do not repaiied; By forming the T-slot matched with T-shaped guide rail between press strip and chute, make moving platen only need milling tool, conveniently repair a die grinding, simplified processing process, and ensure the reliability that press strip uses; By plane is offered in the side of Angle Pin, make to there is gap between the plane on Angle Pin and inclined hole, be conducive to the steadily reliable of Angle Pin slide guide; By by the inclined top hole side of being processed into straight hole, reserving the displacement space of oblique top when moving, greatly simplifying mould structure, reduce difficulty of processing; By the water inlet of cooling water channel being arranged on the below of delivery port, avoiding the ponding in cooling water channel, obtaining better cooling effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is end covers plastic part mould most preferred embodiment schematic diagram of the present invention;
Fig. 2 is the close-up schematic view of A in Fig. 1;
Fig. 3 is that in end covers plastic part mould most preferred embodiment of the present invention, side core slide block is connected schematic three dimensional views with moving platen;
Fig. 4 is the close-up schematic view of C in Fig. 3;
Undercut mechanism three-dimensional structure schematic diagram in Fig. 5 end covers plastic part mould of the present invention most preferred embodiment;
Fig. 6 is the close-up schematic view of B in Fig. 5;
Fig. 7 is the three-dimensional structure schematic diagram of oblique top in end covers plastic part mould most preferred embodiment of the present invention;
Fig. 8 is sprue bush three-dimensional structure schematic diagram in end covers plastic part mould most preferred embodiment of the present invention;
Fig. 9 be in Fig. 8 D-D to sectional view;
Figure 10 is cooling device water inlet and delivery port schematic diagram in end covers plastic part mould most preferred embodiment of the present invention;
Figure 11 is end covers plastic component structure schematic diagram.
Figure 12 is the left view of oblique top in end covers plastic part mould of the present invention;
Figure 13 is the top view of oblique top in end covers plastic part mould of the present invention;
Figure 14 is the schematic diagram that the top end face of oblique top in end covers plastic part mould of the present invention contacts with plastic side.
In figure: 1, die, 2, punch, 3, side core slide block, 4, die cavity, 5, solid plate, 6, moving platen, 7, runner, 8, breach, 9, solidifying material cave, 10, groove, 11, sprue bush, 12, taper sprue, 13, Angle Pin, 14, inclined hole, 15, plane, 16, push rod holder, 17, push pedal, 18, oblique top, 19, dynamic model base, 20, spring, 21, through hole, 22, inclined top hole, 23, chute, 24, press strip, 25, protruding, 26, the top end face of oblique top, 27, water inlet, 28, delivery port, 29, sprue puller, 30, locating piece, L, on the top end face of oblique top, the point of outermost is to protruding distance, L1, the thickness of the plastic side contacted with the top end face of oblique top.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment 1
An end covers plastic part mould as shown in Figure 1, comprises shaping mechanism, running gate system, cooling device, side core-drawing mechanism and undercut mechanism;
Described shaping mechanism comprises die 1, punch 2 and side core slide block 3, and the 2-in-1 mould of described side core slide block 3, die 1 and punch forms the die cavity 4 matched with plastic;
Described running gate system is communicated with described die cavity 4, and described cooling device and side core-drawing mechanism are all arranged on described shaping mechanism, and described undercut organization establishes is in the below of described shaping mechanism.
As Fig. 2, shown in 5 and 6, described shaping mechanism also comprises solid plate 5 and moving platen 6, described die 1 and punch 2 are arranged between described solid plate 5 and moving platen 6, described die 1 is fixed on solid plate 5, described punch 2 is fixed on moving platen 6, the one side that described punch 2 is relative with die 1 is provided with runner 7, the two ends of described runner 7 all offer breach 8, the centre described punch 2 being positioned at runner 7 is provided with solidifying material cave 9, the inwall in described solidifying material cave 9 is provided with some grooves 10, the groove 10 on the inwall of solidifying material cave 9 is utilized to catch on the solidifying material of cold burden pull-out of the inside during die sinking, to coagulate outside material launch mode by sprue puller 29 during the demoulding, realize the full-automatic demoulding, the charging of two breach 8 can reduce the generation of weld mark.
As shown in FIG. 8 and 9, described running gate system comprises sprue bush 11, described sprue bush 11 is communicated with die cavity 4 with die 1 through solid plate 5 successively, described sprue bush 11 is provided with taper sprue 12, and the small end of described taper sprue 12 is positioned at the feed end of sprue bush 11, and taper sprue 12 amplifies gradually towards its width on the direction of runner 7, when can ensure to break cast gate, break at the minimum place of taper sprue 12 width of sprue bush 11, gate vestiges only need be repaiied less, decreases the following process time.
As shown in Figure 3, described side core-drawing mechanism comprises columned Angle Pin 13, described Angle Pin 13 is fixed on solid plate 5, described side core slide block 3 is provided with the inclined hole 14 matched with described Angle Pin 13, described Angle Pin 13 is slidably connected with described inclined hole 14, the side of described Angle Pin 13 offers plane 15, described side core slide block 3 is slidably mounted on described moving platen 6, plane 15 on Angle Pin 13 and there is gap between inclined hole 14 and form empty avoiding, is conducive to the slide guide of Angle Pin 13 in inclined hole 14 smooth and easy.
As described in figures 1 and 5, described undercut mechanism comprises push rod holder 16, push pedal 17, oblique top 18 and dynamic model base 19, below described moving platen 6, push rod holder 16 is installed successively, push pedal 17 and dynamic model base 19, between described moving platen 6 and described push rod holder 16, some springs 20 are installed, described punch 2 is provided with the through hole 21 matched with described oblique top 18, the below described moving platen 6 being positioned at through hole 21 is provided with inclined top hole 22, bottom and the described push pedal 17 of described oblique top 18 are slidably connected, the top of described oblique top 18 is positioned at through hole 21 through described inclined top hole 22, gap is left between the sidewall of described oblique top 18 and inclined top hole 22, because oblique top 18 face tilts, if the hole that will process inclination on moving platen 6 coordinates with it, difficulty of processing is higher, adding man-hour can the side's of being processed into straight hole, size is larger than oblique top 18 diameter, the displacement space of reserved oblique top 18 when moving, enormously simplify processing technology.
Shown in figure Fig. 3, described side core slide block 3 is provided with T-shaped guide rail, described moving platen 6 offers chute 23, the both sides described moving platen 6 being positioned at described chute 23 are provided with press strip 24, the T-slot that described T-shaped guide rail matches is formed between described press strip 24 and chute 23, chute 23 is processed easy, and tradition changes special T-shaped milling cutter processing in T-slot adding man-hour requirement, wastes time and energy.
As Fig. 1, 5, 7, 12, shown in 13 and 14, the top end face 26 of described oblique top is provided with protruding 25, described protruding 25 contact with the side of plastic inner chamber and end face, plastic side lower surface contacts with the top end face 26 of described oblique top, the distance L of the point of outermost to protruding 25 on the top end face 26 that the thickness L2 of the plastic side contacted with the top end face 26 of oblique top is less than oblique top, avoid oblique top 18 in the process ejected, destroy the edge of plastic on the one hand, cause pulling or being out of shape of plastic edge, the part that on the other hand the top end face 26 of oblique top extends plastic edge can help oblique top 18 to reset, it can take the lead in contacting die 1 and reset when matched moulds, without the need to setting up release link in addition.
As shown in figs. 1 and 10, described cooling device comprises multichannel cooling water channel, cooling water channel described in every road is successively through described moving platen 6, punch 2, solid plate 5 and die 1, the water inlet 27 of described cooling water channel is arranged on moving platen 6, the delivery port 28 of described cooling water channel is arranged on solid plate 5, cooling water successively to be risen discharge by lower end, there is not long-pending water problem, obtains better cooling effect.
As shown in Figure 1, described solidifying material cave 9 is provided with the sprue puller 29 matched with it, and described sprue puller 29 is fixed on push rod holder 1.
As shown in Figures 3 and 4, described press strip 24 is provided with locating piece 30, described moving platen 6 is provided with the locating slot matched with described locating piece 30, described locating piece 30 snaps in described locating slot, press strip 24 on moving platen 6 because locating piece 30 snaps onto in locating slot, press strip 24 can not offset on moving platen 6, ensure that the slip of side core slide block 3 on moving platen 6.
Operation principle:
Caught on the solidifying material of cold burden pull-out of the inside by the groove 10 on the inwall of solidifying material cave 9, when realizing the demoulding, plastic and running gate system coagulate automatically being separated of material and mould; By sprue bush 11 is provided with taper sprue 12, realize breaking near cast gate place when plastic and cast gate are broken, gate vestiges only need be repaiied less and even do not repaiied; By forming the T-slot matched with T-shaped guide rail between press strip 24 and chute 23, make moving platen 6 only need milling tool, conveniently repair a die grinding, simplified processing process, and ensure the reliability that press strip 24 uses; Side by Angle Pin 13 is offered plane 15, make to there is gap between the plane 15 on Angle Pin 13 and inclined hole 14, be conducive to the steadily reliable of Angle Pin 13 slide guide; By by inclined top hole 22 side of being processed into straight hole, reserving the displacement space of oblique top 18 when moving, greatly simplifying mould structure, reduce difficulty of processing; By the water inlet of cooling water channel being arranged on the below of delivery port 28, avoiding the ponding in cooling water channel, obtaining better cooling effect.
Above-mentioned is enlightenment according to desirable embodiment of the present invention, and by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.

Claims (10)

1. an end covers plastic part mould, is characterized in that: comprise shaping mechanism, running gate system, cooling device, side core-drawing mechanism and undercut mechanism;
Described shaping mechanism comprises die (1), punch (2) and side core slide block (3), and described side core slide block (3), die (1) and punch (2) matched moulds form the die cavity (4) matched with plastic;
Described running gate system is communicated with described die cavity (4), and described cooling device and side core-drawing mechanism are all arranged on described shaping mechanism, and described undercut organization establishes is in the below of described shaping mechanism.
2. end covers plastic part mould according to claim 1, it is characterized in that: described shaping mechanism also comprises solid plate (5) and moving platen (6), described die (1) and punch (2) are arranged between described solid plate (5) and moving platen (6), described die (1) is fixed on solid plate (5), described punch (2) is fixed on moving platen (6), the one side that described punch (2) is relative with die (1) is provided with runner (7), the two ends of described runner (7) all offer breach (8), the centre described punch (2) being positioned at runner (7) is provided with solidifying material cave (9), the inwall of described solidifying material cave (9) is provided with some grooves (10).
3. end covers plastic part mould according to claim 2, it is characterized in that: described running gate system comprises sprue bush (11), described sprue bush (11) is communicated with die cavity (4) with die (1) through solid plate (5) successively, described sprue bush (11) is provided with taper sprue (12), the small end of described taper sprue (12) is positioned at the feed end of sprue bush (11).
4. end covers plastic part mould according to claim 3, it is characterized in that: described side core-drawing mechanism comprises columned Angle Pin (13), described Angle Pin (13) is fixed on solid plate (5), described side core slide block (3) is provided with the inclined hole (14) matched with described Angle Pin (13), described Angle Pin (13) and described inclined hole (14) are slidably connected, the side of described Angle Pin (13) offers plane (15), described side core slide block (3) is slidably mounted on described moving platen (6).
5. end covers plastic part mould according to claim 4, it is characterized in that: described undercut mechanism comprises push rod holder (16), push pedal (17), oblique top (18) and dynamic model base (19), push rod holder (16) is installed successively in described moving platen (6) below, push pedal (17) and dynamic model base (19), some springs (20) are installed between described moving platen (6) and described push rod holder (16), described punch (2) is provided with the through hole (21) matched with described oblique top (18), the below described moving platen (6) being positioned at through hole (21) is provided with inclined top hole (22), bottom and the described push pedal (17) of described oblique top (18) are slidably connected, the top of described oblique top (18) is positioned at through hole (21) through described inclined top hole (22), gap is left between the sidewall of described oblique top (18) and inclined top hole (22).
6. end covers plastic part mould according to claim 4, it is characterized in that: described side core slide block (3) is provided with T-shaped guide rail, described moving platen (6) offers chute (23), the both sides described moving platen (6) being positioned at described chute (23) are provided with press strip (24), form the T-slot that described T-shaped guide rail matches between described press strip (24) and chute (23).
7. end covers plastic part mould according to claim 5, it is characterized in that: the top end face (26) of described oblique top is provided with projection (25), side and the end face of described projection (25) and plastic inner chamber contact, plastic side lower surface contacts with the top end face (26) of described oblique top, and the thickness of the plastic side contacted with the top end face (26) of oblique top is less than the distance of point to protruding (25) of the upper outermost of top end face (26) of oblique top.
8. end covers plastic part mould according to claim 2, it is characterized in that: described cooling device comprises multichannel cooling water channel, cooling water channel described in every road is successively through described moving platen (6), punch (2), solid plate (5) and die (1), the water inlet (27) of described cooling water channel is arranged on moving platen (6), and the delivery port (28) of described cooling water channel is arranged on solid plate (5).
9. end covers plastic part mould according to claim 5, it is characterized in that: described solidifying material cave (9) is provided with the sprue puller (29) matched with it, and described sprue puller (29) is fixed on push rod holder (16).
10. end covers plastic part mould according to claim 6, it is characterized in that: described press strip (24) is provided with locating piece (30), described moving platen (6) is provided with the locating slot matched with described locating piece (30), described locating piece (30) snaps in described locating slot.
CN201510349384.2A 2015-06-23 2015-06-23 End cover type plastic part mold Pending CN104985764A (en)

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Application Number Priority Date Filing Date Title
CN201510349384.2A CN104985764A (en) 2015-06-23 2015-06-23 End cover type plastic part mold

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Application Number Priority Date Filing Date Title
CN201510349384.2A CN104985764A (en) 2015-06-23 2015-06-23 End cover type plastic part mold

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Publication Number Publication Date
CN104985764A true CN104985764A (en) 2015-10-21

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN106827415A (en) * 2017-01-03 2017-06-13 福州大学 A kind of use reversing bar controls the hydraulic core_pulling die device of hydraulic cylinder

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CN204295961U (en) * 2014-11-26 2015-04-29 安徽同丰橡塑工业有限公司 A kind of spot pouring mouth turns sidegated injection mold
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Publication number Priority date Publication date Assignee Title
CN106827415A (en) * 2017-01-03 2017-06-13 福州大学 A kind of use reversing bar controls the hydraulic core_pulling die device of hydraulic cylinder

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