CN208290359U - Water purifier water guide box cover die - Google Patents

Water purifier water guide box cover die Download PDF

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Publication number
CN208290359U
CN208290359U CN201820577982.4U CN201820577982U CN208290359U CN 208290359 U CN208290359 U CN 208290359U CN 201820577982 U CN201820577982 U CN 201820577982U CN 208290359 U CN208290359 U CN 208290359U
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CN
China
Prior art keywords
gear
core
box cover
block
fixed
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.)
Expired - Fee Related
Application number
CN201820577982.4U
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Chinese (zh)
Inventor
林受学
林志平
刘义升
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.)
Taizhou Huangyan Daelong Mold Co Ltd
Original Assignee
Taizhou Huangyan Daelong Mold Co Ltd
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.)
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Publication date
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Priority to CN201820577982.4U priority Critical patent/CN208290359U/en
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Publication of CN208290359U publication Critical patent/CN208290359U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of water purifier water guide box cover dies, it is related to injection mold technology, including upper die and lower die, the mo(u)ld bottom half core for shaped article bottom surface is provided in the lower die, driving mechanism is provided in the lower die, by the Loose core block of driving mechanism driving sliding, the inner mold core for forming via hole is fixed in the Loose core block, the outside core for forming thread hole is arranged with outside the inner mold core, the outside core can be rotated around the axis of inner mold core, hydraulic motor is fixed in the lower die, the output end of the hydraulic motor is coaxially fixed with transmission shaft, first gear is coaxially fixed on the transmission shaft, second gear is coaxially fixed on the outside core, the first gear is for driving second gear to rotate.This water purifier water guide box cover die inner mold core during core pulling does not generate rotation, and the hole wall of via hole is not easy to be scratched, and precise structure, threaded hole are hardly damaged, and the Forming Quality of product is high.

Description

Water purifier water guide box cover die
Technical field
The utility model relates to injection mold technology, in particular to a kind of water purifier water guide box cover die.
Background technique
Injection mold is generally made of upper die and lower die, and when upper die and lower die combine, liquid plastics enter through injection hole The mold cavity that upper die and lower die surround, after plastics cooled and solidified, die sinking is completed in upper die and lower die separation, then demoulding mechanism Start the separation that product and mold are completed in movement.
As shown in Figure 1, a kind of water purifier water guide cover, side wall offers interconnected threaded hole 10 and via hole 101, spiral shell Pit 10 and general realized by screw thread core pulling mechanism of via hole 101 form and demould, and side core is for forming thread hole simultaneously 10 and via hole 101, but side core, during screwing out from product, side core is easy to scratch the hole wall of via hole 101.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of water purifier water guide box cover die, It is not easy to scratch the hole wall of via hole during core pulling.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of water purifier water guide cover Mold, including upper die and lower die are provided with the mo(u)ld bottom half core for shaped article bottom surface in the lower die, are provided in the lower die Driving mechanism drives the Loose core block slided by driving mechanism, and the inner mold core for forming via hole is fixed in the Loose core block, The outside core for forming thread hole is arranged with outside the inner mold core, the outside core can be rotated around the axis of inner mold core, described Hydraulic motor is fixed in lower die, the output end of the hydraulic motor is coaxially fixed with transmission shaft, coaxially consolidates on the transmission shaft Surely there is first gear, second gear is coaxially fixed on the outside core, the first gear is for driving second gear to rotate.
Through the above technical solutions, after product is cooled and shaped between upper die and lower die, upper die and lower die separation, it is laggard Row core pulling process;Hydraulic motor drives first gear rotation by transmission shaft, and first gear drives second gear rotation, the second tooth Wheel drives outside core rotation to screw out outside core from product, while driving mechanism drives Loose core block mobile, by inner mold core It is extracted out out of via hole.During core pulling, since inner mold core does not generate rotation, then inner mold core is not easy during extraction The hole wall of via hole is scratched.
Preferably, the driving mechanism include the worm screw being coaxially fixed on transmission shaft, the teeth portion that is fixed in Loose core block, The worm screw engages with teeth portion, the axial velocity phase that the mobile speed of the worm drive teeth portion is screwed out from product with outside core Together.
Through the above technical solutions, transmission shaft passes through worm screw, the biography of teeth portion during outside core is screwed out from product Movement driving Loose core block synchronizing moving, the movement speed of Loose core block is identical as the axial velocity that outside core is screwed out from product, Then outside core act on threaded hole axial force it is smaller, the threaded hole of product is hardly damaged;On the other hand, hydraulic motor is driving Driving Loose core block is moved while outside core rotates, and reduces the input cost of driving source.
Preferably, the transmission shaft includes the first axle being connected with hydraulic motor, to be connected with first gear and worm screw Two axis, the first axle is towards being fixed with several convex blocks on the end face of the second axis, and second axis is towards on the end face of first axle Offer several grooves, several convex blocks are inserted into correspondingly in several grooves, the side wall of the convex block and groove there are Running clearance is provided with elastic component in the running clearance, when the first axle drives Loose core block mobile to the direction of core pulling, The elastic component is compressed.
Through the above technical solutions, hydraulic motor drives first axle to rotate when screw thread core pulling process starts, first axle passes through Convex block squeezes elastic component, and elastic component is gradually crushed, and the counter-force of elastic component acts on the second axis by the cell wall of groove, then and second The torque of axis is gradually increased.When elastic component is compressed into certain thickness, the torque of the second axis, which reaches, drives outside core rotation When critical value, the second axis rotates, and outside core rotation is then driven to carry out screw thread core pulling process.Due to driving outside core to rotate Torque be gradually increased, then outside core and product are adhered power when gradually core pulling can be overcome to originate, and reduce product because of unexpected stress Excessive and impaired probability.
Preferably, during the elastic component includes the first plate being fixed in recess sidewall, is connected with the end of the first plate Between plate, second plate fixed away from the end of the first plate with intermediate plate, the fixed shape of first plate, intermediate plate and the second plate three It is at Z-shape.
Through the above technical solutions, elastic component can be bent by sheet metal, the elastic force section of Z-shape elastic component compared with Greatly, and convenient for manufacture.
Preferably, rotation is provided with intermediate gear in the Loose core block, and the intermediate gear includes two co-axially fixed Denticle, the intermediate gear are engaged with first gear and second gear respectively by two denticles.
Through the above technical solutions, intermediate gear is used to adjust the transmission ratio of first gear and second gear, to make outer Type core is rotated with speed appropriate, can prevent threaded hole from damaging to a certain extent.
Preferably, the intermediate gear is coaxially fixed with wheel shaft, and position of the wheel shaft in Loose core block is along first gear It is adjustable with the line direction of second gear, the locking mechanism for locking wheel shaft position is provided in the Loose core block.
Through the above technical solutions, people is adjustable the installation site of wheel shaft and is fixed with locking mechanism, to adjust wheel shaft At a distance between first gear, to be adapted to the intermediate gear of different size, and three gears is made to keep engagement, to meet tune The needs of examination or change screw thread core pulling speed.
Preferably, the locking mechanism includes the clamping block being sheathed on wheel shaft, and the clamping block can be rotated around wheel shaft, institute It states in Loose core block and offers multiple clamping grooves for clamping block insertion, the card along the line direction of first gear and second gear Access slot limits clamping block.
Through the above technical solutions, clamping groove is used to be embedded in clamping block and be locked after Loose core block splits into two halves, due to The quantity of clamping groove is more, then clamping block can be fixed in different positions, so that wheel shaft is fixed on different location;Wheel shaft Fixed to be fixed by bolt or other manually-operated components of needs, installation is firm and convenient for disassembly and assembly.
Preferably, the clamping groove continuous arrangement toothing.
Through the above technical solutions, zigzag clamping groove is used to be embedded in for the corresponding position of clamping block, zigzag card Access slot can be set to higher density, then can be more for the fixed position of clamping block, selected convenient for the position of wheel shaft.
Preferably, the Loose core block is positioning surface away from the side wall of mo(u)ld bottom half core, is provided with locating piece in the upper mold, works as institute When stating upper mold together in lower die, the locating piece and positioning surface offset Loose core block being limited in scheduled shaping position.
Through the above technical solutions, upper mold is together in lower die, and locating piece is just when Loose core block is located at scheduled shaping position It offsets with positioning surface, to prevent Loose core block from generating movement in injection molding, improves the Forming Quality of product.
In conclusion the utility model having the beneficial effect that in contrast to the prior art
1, inner mold core does not generate rotation during core pulling, and the hole wall of via hole is not easy to be scratched;
2, pass through and driving mechanism is set, outside core Loose core block synchronizing moving during being screwed out from product, product Threaded hole is hardly damaged;
3, by setting elastic component, the power that outside core is acted on when starting core pulling is gradually increased, and reduces product because suddenly The excessive and impaired probability of stress;
4, the position-adjustable of wheel shaft and intermediate gear facilitates people to adjust the transmission ratio of first gear and second gear;
5, by setting positioning surface and locating piece, the Forming Quality of product is improved.
Detailed description of the invention
Fig. 1 is a kind of existing schematic diagram of water purifier water guide cover, the structure of main prominent threaded hole and via hole;
Fig. 2 is the partial sectional view of water purifier water guide box cover die in embodiment, mainly protrudes the internal structure of this mold;
Fig. 3 is the partial perspective view of this mold, mainly protrudes each gear and driving mechanism;
Fig. 4 is the explosive view of locking mechanism, the structure of main prominent clamping block and clamping groove;
Fig. 5 is the explosive view of transmission shaft, the structure of main prominent first axle and the second axis;
Fig. 6 is enlarged drawing at the A of Fig. 5, the structure of main prominent elastic component.
Appended drawing reference: 10, threaded hole;101, via hole;1, upper mold;2, lower die;21, mo(u)ld bottom half core;3, driving mechanism;4, it takes out Pellet;41, inner mold core;42, outside core;421, thread forming portion;43, positioning surface;11, locating piece;52, second gear;531, Wheel shaft;53, intermediate gear;6, hydraulic motor;7, transmission shaft;51, first gear;8, locking mechanism;81, clamping block;82, it is clamped Slot;71, first axle;72, the second axis;711, convex block;721, groove;74, running clearance;73, elastic component;731, the first plate; 732, intermediate plate;733, the second plate;31, worm screw;32, teeth portion.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.
As shown in Fig. 2, a kind of water purifier water guide box cover die, including upper mold 1 and lower die 2, it is provided in lower die 2 for forming The mo(u)ld bottom half core 21 of product bottom surface is provided with driving mechanism 3 in lower die 2, by the Loose core block 4 of the driving sliding of driving mechanism 3, Loose core block It is fixed with the inner mold core 41 for forming via hole 101 in 4, outside core 42 is arranged with outside inner mold core 41, outside core 42 includes using In the thread forming portion 421 in forming thread hole 10.
As shown in Figures 2 and 3, the glide direction of Loose core block 4 is consistent with the direction that inner mold core 41 detaches product, Loose core block 4 Side wall away from mo(u)ld bottom half core 21 is the positioning surface 43 being obliquely installed, the inclined direction of positioning surface 43 are as follows: along away from mo(u)ld bottom half core 21 Direction, positioning surface 43 extend obliquely downward.Towards locating piece 11 is provided on the end face of lower die 2, locating piece 11 is located to be taken out upper mold 1 The top of pellet 4, when Loose core block 4 is located at scheduled shaping position, upper mold 1 together in lower die 2, locating piece 11 just with positioning surface 43 It offsets, to prevent Loose core block 4 from generating movement in injection molding, improves the Forming Quality of product.
Second gear 52 is coaxially fixed on outside core 42, outside core 42 and second gear 52 can be around the axis of inner mold core 41 Rotation.Rotation is provided with wheel shaft 531 in Loose core block 4, intermediate gear 53 is coaxially fixed on wheel shaft 531, intermediate gear 53 includes The two coaxial fixations and different denticle of diameter, intermediate gear 53 are located at the lower section of second gear 52 and nibble with second gear 52 It closes.It is fixed with hydraulic motor 6 on the lateral wall of lower die 2, the output end of hydraulic motor 6 towards lower die 2 and is coaxially fixed with transmission Axis 7 is coaxially fixed with first gear 51 on transmission shaft 7, and first gear 51 is engaged with intermediate gear 53, and first gear 51, The denticle that two gears 52 are engaged in intermediate gear 53 is different.When hydraulic motor 6 operates, hydraulic motor 6 is driven by transmission shaft 7 First gear 51 rotates, and first gear 51 drives second gear 52 to rotate by the engagement of intermediate gear 53, second gear The 52 drive rotations of outside core 42 from product so that screw out thread forming portion 421.Intermediate gear 53 is for adjusting first gear 51 and second gear 52 transmission ratio, thus make outside core 42 with speed appropriate rotation, screw thread can be prevented to a certain extent Hole 10 is damaged.
As shown in Figure 3 and Figure 4, position of the wheel shaft 531 in Loose core block 4 is adjustable, is provided in Loose core block 4 for locking wheel The locking mechanism 8 of 531 position of axis.Locking mechanism 8 includes the clamping block 81 for being sheathed on 531 both ends of wheel shaft, and wheel shaft 531 can lock Rotation, the both ends of 81 horizontal direction of clamping block are pointed in block 81.Along first gear 51 and second gear 52 in Loose core block 4 Line direction offers multiple clamping grooves 82,82 continuous arrangement toothing of clamping groove, and zigzag cell wall is used for for locking The sharp end of block 81 is embedded in.When wheel shaft 531 is installed, the position for the clamping groove 82 that people can select clamping block 81 to be embedded in, to adjust Wheel shaft 531 between first gear 51 at a distance from, to be adapted to the intermediate gear 53 of different size, and nibble three gears holdings It closes, thus meet the needs of debugging or change screw thread core pulling speed, it is more convenient.
As shown in Figure 5 and Figure 6, transmission shaft 7 includes that the first axle 71 being connected with hydraulic motor 6 and first gear 51 are connected The second axis 72, first axle 71 and the second axis 72 can be separated from each other.First axle 71 is towards being fixed with two on the end face of the second axis 72 A convex block 711, two convex blocks 711 are distributed about the axisymmetrical of first axle 71;Second axis 72 is towards on the end face of first axle 71 Open up there are two groove 721, two convex blocks 711 be inserted intos in two grooves 721 respectively, the side wall of convex block 711 and groove 721 there are Running clearance 74.Elastic component 73 is provided in running clearance 74, elastic component 73 is bent by sheet metal, and elastic component 73 includes solid Due in 721 one side wall of groove the first plate 731, be connected with the end of the first plate 731 intermediate plate 732, with intermediate plate 732 carry on the back The second plate 733 that end from the first plate 731 is connected, elastic component 73 are Z-shaped along the radial cross sectional shape of transmission shaft 7.When first When axis 71 drives Loose core block 4 mobile to the direction of core pulling, elastic component 73 is compressed.
When screw thread core pulling process starts, hydraulic motor 6 drives first axle 71 to rotate, and first axle 71 is squeezed by convex block 711 Elastic component 73, elastic component 73 are gradually crushed, and the counter-force of elastic component 73 acts on the second axis 72 by the cell wall of groove 721, then The torque of second axis 72 is gradually increased.When elastic component 73 is compressed into certain thickness, the torque of the second axis 72, which reaches, to be driven outside The critical value that type core 42 rotates, the second axis 72 rotate, and the rotation of outside core 42 is then driven to carry out screw thread core pulling process.Due to The torque for driving outside core 42 to rotate is gradually increased, then thread forming portion 421 and product is glutinous when gradually core pulling can be overcome to originate Lian Li reduces the probability that product is damaged because unexpected stress is excessive.
As shown in Figures 2 and 3, driving mechanism 3 includes the worm screw 31 being coaxially fixed on the second axis 72, is fixed on Loose core block The length direction of the teeth portion 32 of 4 bottom surfaces, teeth portion 32 is identical as the glide direction of Loose core block 4, and worm screw 31 engages with teeth portion 32.Worm screw 31 and teeth portion 32 transmission ratio it is default are as follows: the axis that the speed and outside core 42 that worm screw 31 drives teeth portion 32 mobile are screwed out from product It is identical to speed.In this way, during thread forming portion 421 is screwed out from product, outside core 42 is synchronous to be produced to leaving The directions of product is mobile, then thread forming portion 421 act on threaded hole 10 axial force it is smaller, the threaded hole 10 of product not rapid wear It is bad;On the other hand, the driving Loose core block 4 while driving outside core 42 to rotate of hydraulic motor 6 is moved, and reduces driving source Input cost.
The course of work of this mold is as follows: after product cooling and shaping, upper mold 1 and lower die 2 are separated, and carry out core pulling work later Sequence.Hydraulic motor 6 drives the rotation of outside core 42, Loose core block 4 mobile simultaneously, then thread forming portion 421 is screwed out out of threaded hole 10, Inner mold core 41 is extracted out out of via hole 101.Since inner mold core 41 does not generate rotation, then inner mold core 41 is not easy during extraction The hole wall of via hole 101 is scratched.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention It encloses, the protection scope of the utility model is determined by the attached claims.

Claims (9)

1. a kind of water purifier water guide box cover die, including upper mold (1) and lower die (2), it is provided on the lower die (2) and is produced for forming The mo(u)ld bottom half core (21) of product bottom surface, it is characterized in that: being provided with driving mechanism (3) in the lower die (2), being driven by driving mechanism (3) The Loose core block (4) of sliding, the interior inner mold core (41) being fixed with for forming via hole (101) of the Loose core block (4), the inner mold The outside core (42) for forming thread hole (10) is arranged with outside core (41), the outside core (42) can be around the axis of inner mold core (41) Line rotates, and is fixed with hydraulic motor (6) on the lower die (2), the output end of the hydraulic motor (6) is coaxially fixed with transmission shaft (7), it is coaxially fixed with first gear (51) on the transmission shaft (7), is coaxially fixed with second gear on the outside core (42) (52), the first gear (51) is for driving second gear (52) to rotate.
2. water purifier water guide box cover die according to claim 1, it is characterized in that: the driving mechanism (3) includes coaxial solid Due to the worm screw (31) on transmission shaft (7), the teeth portion (32) that is fixed on Loose core block (4), the worm screw (31) and teeth portion (32) Engagement, the axial velocity phase that the mobile speed of worm screw (31) driving teeth portion (32) is screwed out from product with outside core (42) Together.
3. water purifier water guide box cover die according to claim 2, it is characterized in that: the transmission shaft (7) includes and hydraulic horse The first axle (71) being connected up to (6), the second axis (72) being connected with first gear (51) and worm screw (31), the first axle (71) It is fixed with several convex blocks (711) on towards the end face of the second axis (72), end face of second axis (72) towards first axle (71) On offer several grooves (721), several convex blocks (711) are inserted into correspondingly in several grooves (721), the convex block (711) with the side wall of groove (721) there are running clearance (74), the running clearance (74) is interior to be provided with elastic component (73), when When the first axle (71) drives Loose core block (4) mobile to the direction of core pulling, the elastic component (73) is compressed.
4. water purifier water guide box cover die according to claim 3, it is characterized in that: the elastic component (73) is recessed including being fixed on The first plate (731) on slot (721) side wall, the intermediate plate (732) being connected with the end of the first plate (731), with intermediate plate (732) Second plate (733) fixed away from the end of the first plate (731), first plate (731), intermediate plate (732) and the second plate (733) three's fixation is formed Z-shaped.
5. water purifier water guide box cover die according to claim 1, it is characterized in that: rotation is provided in the Loose core block (4) Intermediate gear (53), the intermediate gear (53) include two co-axially fixed denticles, and the intermediate gear (53) passes through two Denticle is engaged with first gear (51) and second gear (52) respectively.
6. water purifier water guide box cover die according to claim 5, it is characterized in that: the intermediate gear (53) is coaxially fixed with Wheel shaft (531), line of position of the wheel shaft (531) in Loose core block (4) along first gear (51) and second gear (52) Direction is adjustable, and the locking mechanism (8) for locking wheel shaft (531) position is provided in the Loose core block (4).
7. water purifier water guide box cover die according to claim 6, it is characterized in that: the locking mechanism (8) includes being sheathed on Clamping block (81) on wheel shaft (531), the clamping block (81) can rotate around wheel shaft (531), along first in the Loose core block (4) The line direction of gear (51) and second gear (52) offers multiple clamping grooves (82) for clamping block (81) insertion, the card Access slot (82) limits clamping block (81).
8. water purifier water guide box cover die according to claim 7, it is characterized in that: the clamping groove (82) continuous arrangement is at saw Tooth form.
9. water purifier water guide box cover die according to claim 1, it is characterized in that: the Loose core block (4) deviates from mo(u)ld bottom half core (21) side wall is positioning surface (43), locating piece (11) is provided on the upper mold (1), when the upper mold (1) is together in lower die (2) When, the locating piece (11) and positioning surface (43) offset Loose core block (4) being limited in scheduled shaping position.
CN201820577982.4U 2018-04-21 2018-04-21 Water purifier water guide box cover die Expired - Fee Related CN208290359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820577982.4U CN208290359U (en) 2018-04-21 2018-04-21 Water purifier water guide box cover die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820577982.4U CN208290359U (en) 2018-04-21 2018-04-21 Water purifier water guide box cover die

Publications (1)

Publication Number Publication Date
CN208290359U true CN208290359U (en) 2018-12-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820577982.4U Expired - Fee Related CN208290359U (en) 2018-04-21 2018-04-21 Water purifier water guide box cover die

Country Status (1)

Country Link
CN (1) CN208290359U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108437362A (en) * 2018-04-21 2018-08-24 台州市黄岩达意隆模具有限公司 Water purifier water guide box cover die

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108437362A (en) * 2018-04-21 2018-08-24 台州市黄岩达意隆模具有限公司 Water purifier water guide box cover die
CN108437362B (en) * 2018-04-21 2024-02-02 台州市黄岩得奕隆模具有限公司 Water guide cover mould of water purifier

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Granted publication date: 20181228

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