CN203957300U - Dumbbell injection mold - Google Patents
Dumbbell injection mold Download PDFInfo
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- CN203957300U CN203957300U CN201420418127.0U CN201420418127U CN203957300U CN 203957300 U CN203957300 U CN 203957300U CN 201420418127 U CN201420418127 U CN 201420418127U CN 203957300 U CN203957300 U CN 203957300U
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- dumbbell
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- injection mold
- injection
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Abstract
The utility model discloses a kind of dumbbell injection mold for injection mo(u)lding dumbbell head external coating, comprise top clamping plate, solid plate, moving platen, gripper shoe, cushion block and Bottom clamp plate; Solid plate and moving platen are provided with the die cavity of the outer surface plan shape of accommodating dumbbell head to be covered, inner surface and clad, which is provided with cast gate; Moving platen is made up of moving platen body and slide block, is provided with the dumbbell bar locating hole with dumbbell bar close-fitting between moving platen body and slide block; Moving platen and gripper shoe are provided with opening and are positioned at the dumbbell bar mounting groove on slide block disassembly direction.In the utility model, the clad in dumbbell head outside adopts the directly TPU material of injection moulding, within 2～5 minutes, gets final product injection mo(u)lding clad, and process time is short, and production efficiency is high; The cost of TPU only has 8,000/ton, can reuse, and adopts the PU material of cost 2.4 ten thousand/ton, not reproducible utilization with respect to clad, and the cost of product can reduce by 5,000/ton, and production cost is low.
Description
Technical field
The utility model relates to a kind of dumbbell injection mold, relates in particular to a kind of clad injection mold of monoblock type dumbbell.
Background technology
Dumbbell is a kind of auxiliary appliance of weight lifting and exercise, due to easy to use, take up an area littlely, be more and more subject to the favor of vast fitness enthusiasts.Dumbbell has one handle, is arranged with a dumbbell head in these handle two ends, when use, to be hold by one hand handle, reaches the object of motion or weight training by motion arm muscle repeatedly.Dumbbell head adopts cast iron manufacture mostly, while directly contact with ground, it is the damage of avoiding causing ground or base plate, the dumbbell head peripheral hardware clad of being everlasting, the disclosed a kind of dumbbell with synthetic resin external coating of a kind of dumbbell as disclosed in Chinese utility model patent CN201832333U and Chinese utility model patent 91225974.4, all be coated with one deck synthetic resin at the outer surface of dumbbell head, described synthetic resin is polyvinyl chloride, polyethylene, polypropylene, polyurethane, neoprene or butadiene acrylonitrile rubber.That wherein, the use of the clad of dumbbell head is maximum is polyurethane (PU).
Polyurethane (PU) Chinese polyurethanes by name, due to its needs simple modification formula, just can obtain the physical properties such as different density, elasticity, rigidity, at present instead of glass fiber heat preservation material, timber, traditional rubber etc. in a large number.But the more difficult tune of the Shooting Technique of PU, because its injection moulding window is smaller, if temperature is too high, mobility can be very good; If temperature is too low, possibility short shot again, so regulate to get up to waste time and energy.At present, dumbbell producer is in dumbbell head outside when coated PU layer, adopts cast or directly to the mode of clogging PU sheet in encapsulation die more, need to use hydraulic press 150～200 DEG C, hot pressing 10～30min could moulding when 63～200MPa, molding time is long, and production efficiency is low.And the cost approximately 2.4 ten thousand of polyurethane (PU)/ton, polyurethane (PU) waste material of generation can not reuse again, so the clad of dumbbell head adopts the cost of polyurethane very high.
TPU(Thermoplastic polyurethanes) name is called TPUE rubber.Mainly contain dividing of polyester-type and polyether-type, its hardness range is wide, wear-resisting, oil resistant, transparent, good springiness, be used widely in fields such as commodity, sports goods, toy, ornament materials, halogen-free flameproof TPU can also replace flexible PVC to meet the environmental requirement in more and more fields.The hardness range of TPU is wide: by changing the proportioning of TPU each reactive component, can obtain the product of different hardness, and along with the increase of hardness, its product still keeps good elasticity and wearability; Mechanical strength is high: bearing capacity, impact resistance and the damping performance of TPU goods are outstanding; Good processability, can adopt the processing method of common thermoplastic to process, as injection moulding, extrude, calendering etc.And, the cost of TPU approximately 8,000/ton, the TPU waste material of generation also can reuse.
For the foregoing reasons, be necessary to consider to adopt the clad of TPU as dumbbell head, meeting wear-resisting, the damping of clad, avoid scratch or the prerequisite of the performance such as furniture or other equipment of damaging under, shorten process time, enhance productivity, reduce production costs.But at present have no and use TPU material as dumbbell head clad at dumbbell production field, therefore also not relevant mould and moulding process can be used for reference.
Summary of the invention
The utility model object is in order to address the above problem, and a kind of dumbbell injection mold is provided, and shortens process time, enhances productivity, reduces production costs.
For achieving the above object, the technical solution adopted in the utility model is: a kind of dumbbell injection mold, described dumbbell comprises dumbbell bar, is fixedly arranged on the dumbbell head at these dumbbell bar two ends, for comprising at the described injection mold of described dumbbell head outer surface injection mo(u)lding clad the top clamping plate, guiding parts, solid plate, moving platen, gripper shoe, cushion block and the Bottom clamp plate that set gradually;
One end of described guiding parts is fixedly connected with top clamping plate, and the other end and solid plate and moving platen are slidably connected;
Between described solid plate and moving platen, be provided with clamping mechanism;
Described solid plate and moving platen are provided with the die cavity of the outer surface plan shape of inner surface and clad, and described die cavity is provided with cast gate;
Wherein described in one, dumbbell head is dumbbell head to be covered, is placed in described die cavity;
Described moving platen is made up of moving platen body and slide block, and the die cavity on described moving platen is divided equally on described moving platen body and slide block, and between described moving platen body and slide block, is provided with and the dumbbell bar locating hole of described dumbbell bar close-fitting;
Described moving platen and gripper shoe are provided with opening and are positioned at the dumbbell bar mounting groove on described slide block disassembly direction.
Wherein, in the space that described gripper shoe, cushion block and Bottom clamp plate are enclosed to form, be provided with limiting component, described in another, dumbbell head is arranged in this limiting component, and the mouth that snaps in of described limiting component is positioned on the disassembly direction of described slide block.
Preferably, described limiting component comprises 3～6 claws, is divided into non-card porch, and the pawl end of described claw is positioned at the side in the face of dumbbell bar of described dumbbell head, and the tail end of described claw is fixedly connected with Bottom clamp plate.
Wherein, described clamping mechanism is formed by the groove grafting of being located at the projection on described slide block and be located at accordingly on described solid plate.
Wherein, between described top clamping plate and solid plate, be provided with runner ejection plate.
Further, described injection mold is injection mold with double parting surfaces, and described solid plate comprises the cope match-plate pattern and the intermediate plate that are fixedly connected with, and the die cavity on described solid plate is divided on cope match-plate pattern and intermediate plate, and the die cavity of described cope match-plate pattern is provided with cast gate.
Above-mentioned dumbbell also comprises cooling system with injection mold, comprises the circulating cooling water channel of being located in described solid plate and moving platen and is located at described solid plate and the circulating cooling water pipe in moving platen outside.
Wherein, on the inner surface of described die cavity, be carved with LOGO shape chamber, can in forming covered layer, directly form the LOGO of dumbbell in clad outside.
Utilize above-mentioned injection mold, the technique of the clad in injection mo(u)lding dumbbell head outside comprises the steps:
(101) under injection mold die opening state, dumbbell is installed, dumbbell bar snaps in and locates by dumbbell bar locating hole through the opening of dumbbell bar mounting groove, and dumbbell head to be covered is positioned at the side in the face of intermediate plate of moving platen, and another dumbbell head snaps in limiting component through snapping in mouth;
(102) assembling slide block is on moving platen body;
(103) start injection machine, matched moulds, the guide post of guiding parts is pulled and is inserted in moving platen through cover half, and the projection on slide block is inserted in intermediate plate upper groove and is realized locked mode;
(104) TPU slurries flow in die cavity through cast gate, injection pressure 30～110MPa, and 180～240 DEG C of injection temperatures, after 2～5 minutes, injection moulding completes;
(105) die sinking, cope match-plate pattern separates with runner ejection plate, and cope match-plate pattern is fixedly connected with intermediate plate, and moving platen separates with intermediate plate, on automatic moulding plate body, pulls down slide block;
(106) after cooling 3～5 minutes, dumbbell is taken off on injection mold to the clad injection mo(u)lding of one of them dumbbell head of dumbbell;
(107) repeating step (101)～(106), the clad injection mo(u)lding of another dumbbell head of dumbbell, so far completes the injection mo(u)lding of the dumbbell head clad of whole dumbbell.
The technique of molding integral dumbbell also comprises the following step being positioned at before above-mentioned injection molding process:
(201) produce respectively dumbbell head and dumbbell bar, formula dumbbell is then welded into a whole a dumbbell bar and 2 dumbbell heads;
(202) injection mold is mounted on injection machine;
(203) configuration injection grade TPU slurries, heating, it is stand-by to be placed on the barrel of injection machine;
Be positioned at the following step after above-mentioned injection molding process:
(301) overlap of pruning clad;
(302) dumbbell finished product packing.
Wherein, in described step (203), TPU slurries are formed by the common reactive polymeric of component of following weight portion: 40～60 parts of '-diphenylmethane diisocyanates, 30～50 parts of toluene di-isocyanate(TDI)s, 5～10 parts of PEPAs, 2～5 parts of chain extenders, 0～5 part of reinforcing agent, 3～8 parts of flexibilizer, 0～5 part of mill base;
TPU slurries are heated to 150～200 DEG C.
Because technique scheme is used, the advantage that the utility model compared with prior art has is:
In the utility model, the clad in dumbbell head outside adopts the directly TPU material of injection moulding, utilizes injection machine and injection mold at the outside of dumbbell head injection mo(u)lding clad, and 2～5 minutes plastic, and process time is short, enhances productivity; The cost of TPU only has 8,000/ton, and can reuse, and adopts the PU material of cost 2.4 ten thousand/ton, not reproducible utilization with respect to clad, and the cost of product can reduce by 5,000/ton, and production cost is low, and waste material can reuse, energy-saving and emission-reduction.
Brief description of the drawings
Fig. 1 is the structural representation of dumbbell in the utility model embodiment mono-;
Fig. 2 is the front view of the utility model embodiment mono-;
Fig. 3 is the cutaway view of putting into A-A along the line after dumbbell in Fig. 2;
Fig. 4 be in embodiment mono-injection moulding complete after structural representation when injection mold die sinking.
Description of reference numerals:
1, dumbbell; 10, dumbbell bar; 11, dumbbell head; 12, clad;
2, injection mold; 20, top clamping plate; 21, guide post; 22, runner ejection plate; 23, cope match-plate pattern; 230, cast gate; 24, intermediate plate; 240, groove; 25, moving platen; 250, moving platen body; 251, slide block; 252, dumbbell bar locating hole; 253, projection; 254, dumbbell bar mounting groove; 26, gripper shoe; 27, cushion block; 28, Bottom clamp plate; 280, claw; 29, die cavity.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment mono-: as shown in Figure 1, dumbbell 1 is a kind of conventional body-building apparatus, comprises dumbbell bar 10, is fixedly arranged on the dumbbell head 11 at these dumbbell bar 10 two ends.As shown in Figure 2 and Figure 3, the utility model provides a kind of injection mold 2 for dumbbell for the outer surface injection mo(u)lding clad 12 at described dumbbell head 11, for injection mold with double parting surfaces, comprise the top clamping plate 20, guiding parts, runner ejection plate 22, solid plate, moving platen 25, gripper shoe 26, cushion block 27 and the Bottom clamp plate 28 that set gradually, wherein, solid plate comprises the cope match-plate pattern 23 and the intermediate plate 24 that are fixedly connected with.
As shown in Figure 4, described guiding parts comprises that being located at cover half for 4 pulls interior fairlead and be slidedly arranged on 4 guide posts 21 in fairlead, one end of described guide post 21 is fixedly connected with top clamping plate 20, the other end and solid plate and moving platen 25 are slidably connected, when injection mould closing, guide post 21, through cope match-plate pattern 23 and intermediate plate 24, inserts moving platen 25.
Described solid plate and moving platen 25 are provided with the die cavity 29 of the outer surface plan shape of inner surface and clad 12, and the die cavity on described solid plate is divided on cope match-plate pattern 23 and intermediate plate 24, and the die cavity of described cope match-plate pattern 23 is provided with cast gate 230.
Wherein described in one, dumbbell head 11 is dumbbell head to be covered, is placed in described die cavity 29.
Described moving platen 25 is made up of moving platen body 250 and slide block 251, die cavity on described moving platen 25 is divided equally on described moving platen body 250 and slide block 251, and between described moving platen body 250 and slide block 251, is provided with and the dumbbell bar locating hole 252 of described dumbbell bar 10 close-fittings.
Between described solid plate and moving platen 25, be provided with clamping mechanism, formed by groove 240 grafting of being located at the projection 253 on described slide block 251 and be located at accordingly on described intermediate plate 24.
Described moving platen 25 and gripper shoe 26 are provided with opening and are positioned at the dumbbell bar mounting groove 254 on described slide block 251 disassembly directions.
In the space that described gripper shoe 26, cushion block 27 and Bottom clamp plate 28 are enclosed to form, be provided with limiting component, described in another, dumbbell head 11 is arranged in this limiting component, and the mouth that snaps in of described limiting component is positioned on the disassembly direction of described slide block 251.
In the present embodiment, described limiting component comprises 6 claws 280, is divided into non-card porch, and the pawl end of described claw 280 is positioned at the side in the face of dumbbell bar 10 of described dumbbell head 11, and the tail end of described claw 280 is fixedly connected with Bottom clamp plate 28.
Described injection mold 2 also comprises cooling system, comprises the circulating cooling water channel of being located in described solid plate and moving platen and is located at described solid plate and the circulating cooling water pipe in moving platen outside.
Above-mentioned injection mold is for the clad in the dumbbell head outside of injection mo(u)lding monoblock type dumbbell, after outside difference injection mo(u)lding clad for dumbbell head, the Split dumbbell being fixedly connected with dumbbell bar again, also after above-mentioned injection mold slightly can being made an amendment, use, needing the structure of amendment is mainly the location of dumbbell head to be covered in die cavity.For multi-form dumbbell, injection mold is made corresponding amendment, all belongs to protection domain of the present utility model.
Utilize above-mentioned injection mold, the technique of the clad in injection mo(u)lding dumbbell head outside comprises the steps:
(101) under injection mold die opening state, dumbbell is installed, dumbbell bar snaps in and locates by dumbbell bar locating hole through the opening of dumbbell bar mounting groove, and dumbbell head to be covered is positioned at the side in the face of intermediate plate of moving platen, and another dumbbell head snaps in limiting component through snapping in mouth;
(102) assembling slide block is on moving platen body;
(103) start injection machine, matched moulds, the guide post of guiding parts is pulled and is inserted in moving platen through cover half, and the projection on slide block is inserted in intermediate plate upper groove and is realized locked mode;
(104) TPU slurries flow in die cavity through cast gate, injection pressure 30MPa, and 180 DEG C of injection temperatures, after 2 minutes, injection moulding completes;
(105) die sinking, cope match-plate pattern separates with runner ejection plate, and cope match-plate pattern is fixedly connected with intermediate plate, and moving platen separates with intermediate plate, on automatic moulding plate body, pulls down slide block;
(106) after cooling 3 minutes, dumbbell is taken off on injection mold to the clad injection mo(u)lding of one of them dumbbell head of dumbbell;
(107) repeating step (101)～(106), the clad injection mo(u)lding of another dumbbell head of dumbbell, so far completes the injection mo(u)lding of the dumbbell head clad of whole dumbbell.
The moulding process of above-mentioned monoblock type dumbbell also comprises the following step being positioned at before described injection molding process:
(201) produce respectively dumbbell head and dumbbell bar, formula dumbbell is then welded into a whole a dumbbell bar and 2 dumbbell heads;
(202) injection mold is mounted on injection machine;
(203) configuration injection grade TPU slurries, the common reactive polymeric of component by following weight portion forms: 40 parts of '-diphenylmethane diisocyanates, 50 parts of toluene di-isocyanate(TDI)s, 5 parts of PEPAs, 2 parts of chain extenders, 3 parts of flexibilizer, are then heated to TPU slurries 150 DEG C of barrels that are placed on injection machine stand-by;
Be positioned at the following step after described injection molding process:
(301) overlap of pruning clad;
(302) dumbbell finished product packing.
Embodiment bis-: the dumbbell that the present embodiment provides is basic identical with structure and the embodiment mono-of injection mold, difference is: at the inner surface of die cavity, especially the die cavity bottom surface of cope match-plate pattern and moving platen engraving LOGO shape chamber, can be in injection mo(u)lding clad the LOGO of one-body molded product.
Utilize above-mentioned injection mold, the technique of the clad in injection mo(u)lding dumbbell head outside comprises the steps:
(101) under injection mold die opening state, in the LOGO of solid plate and moving platen shape chamber, put into LOGO font or LOGO slurries, then dumbbell is installed, dumbbell bar snaps in and locates by dumbbell bar locating hole through the opening of dumbbell bar mounting groove, dumbbell head to be covered is positioned at the side in the face of intermediate plate of moving platen, and another dumbbell head snaps in limiting component through snapping in mouth;
(102) assembling slide block is on moving platen body;
(103) start injection machine, matched moulds, the guide post of guiding parts is pulled and is inserted in moving platen through cover half, and the projection on slide block is inserted in intermediate plate upper groove and is realized locked mode;
(104) TPU slurries flow in die cavity through cast gate, injection pressure 80MPa, and 200 DEG C of injection temperatures, after 3 minutes, injection moulding completes;
(105) die sinking, cope match-plate pattern separates with runner ejection plate, and cope match-plate pattern is fixedly connected with intermediate plate, and moving platen separates with intermediate plate, on automatic moulding plate body, pulls down slide block;
(106) after cooling 4 minutes, dumbbell is taken off on injection mold to the clad injection mo(u)lding of one of them dumbbell head of dumbbell;
(107) repeating step (101)～(106), the clad injection mo(u)lding of another dumbbell head of dumbbell, so far completes the injection mo(u)lding of the dumbbell head clad of whole dumbbell.
The moulding process of above-mentioned monoblock type dumbbell also comprises the following step being positioned at before described injection molding process:
(201) produce respectively dumbbell head and dumbbell bar, formula dumbbell is then welded into a whole a dumbbell bar and 2 dumbbell heads;
(202) injection mold is mounted on injection machine;
(203) configuration injection grade TPU slurries, the common reactive polymeric of component by following weight portion forms: 50 parts of '-diphenylmethane diisocyanates, 30 parts of toluene di-isocyanate(TDI)s, 8 parts of PEPAs, 3 parts of chain extenders, 2 parts of reinforcing agents, 4 parts of flexibilizer, 3 parts of mill bases, are then heated to TPU slurries 170 DEG C of barrels that are placed on injection machine stand-by;
Be positioned at the following step after described injection molding process:
(301) overlap of pruning clad;
(302) dumbbell finished product packing.
Embodiment tri-: the dumbbell that the present embodiment provides is identical with embodiment mono-by the structure of injection mold.
Utilize above-mentioned injection mold, the technique of the clad in injection mo(u)lding dumbbell head outside comprises the steps:
(101) under injection mold die opening state, dumbbell is installed, dumbbell bar snaps in and locates by dumbbell bar locating hole through the opening of dumbbell bar mounting groove, and dumbbell head to be covered is positioned at the side in the face of intermediate plate of moving platen, and another dumbbell head snaps in limiting component through snapping in mouth;
(102) assembling slide block is on moving platen body;
(103) start injection machine, matched moulds, the guide post of guiding parts is pulled and is inserted in moving platen through cover half, and the projection on slide block is inserted in intermediate plate upper groove and is realized locked mode;
(104) TPU slurries flow in die cavity through cast gate, injection pressure 110MPa, and 240 DEG C of injection temperatures, after 5 minutes, injection moulding completes;
(105) die sinking, cope match-plate pattern separates with runner ejection plate, and cope match-plate pattern is fixedly connected with intermediate plate, and moving platen separates with intermediate plate, on automatic moulding plate body, pulls down slide block;
(106) after cooling 5 minutes, dumbbell is taken off on injection mold to the clad injection mo(u)lding of one of them dumbbell head of dumbbell;
(107) repeating step (101)～(106), the clad injection mo(u)lding of another dumbbell head of dumbbell, so far completes the injection mo(u)lding of the dumbbell head clad of whole dumbbell.
The moulding process of above-mentioned monoblock type dumbbell also comprises the following step being positioned at before described injection molding process:
(201) produce respectively dumbbell head and dumbbell bar, formula dumbbell is then welded into a whole a dumbbell bar and 2 dumbbell heads;
(202) injection mold is mounted on injection machine;
(203) configuration injection grade TPU slurries, the common reactive polymeric of component by following weight portion forms: 60 parts of '-diphenylmethane diisocyanates, 30 parts of toluene di-isocyanate(TDI)s, 5 parts of PEPAs, 2 parts of chain extenders, 1 part of reinforcing agent, 1 part of flexibilizer, 1 part of mill base, is then heated to TPU slurries 200 DEG C of barrels that are placed on injection machine stand-by;
Be positioned at the following step after described injection molding process:
(301) overlap of pruning clad;
(302) dumbbell finished product packing.
In the utility model, the clad in dumbbell head outside adopts the directly TPU material of injection moulding, utilizes injection machine and injection mold at the outside of dumbbell head injection mo(u)lding clad, and 2～5 minutes plastic, and process time is short, enhances productivity; The cost of TPU only has 8,000/ton, and can reuse, and adopts the PU material of cost 2.4 ten thousand/ton, not reproducible utilization with respect to clad, and the cost of product can reduce by 5,000/ton, and production cost is low, and waste material can reuse, energy-saving and emission-reduction.
The above is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvement or replacement, these improvement or replacement also should be considered as protection domain of the present utility model.
Claims (8)
1. a dumbbell injection mold, it is characterized in that, described dumbbell comprises dumbbell bar, is fixedly arranged on the dumbbell head at these dumbbell bar two ends, for comprising at the described injection mold of described dumbbell head outer surface injection mo(u)lding clad the top clamping plate, guiding parts, solid plate, moving platen, gripper shoe, cushion block and the Bottom clamp plate that set gradually;
One end of described guiding parts is fixedly connected with top clamping plate, and the other end and solid plate and moving platen are slidably connected;
Between described solid plate and moving platen, be provided with clamping mechanism;
Described solid plate and moving platen are provided with the die cavity of the outer surface plan shape of inner surface and clad, and described die cavity is provided with cast gate;
Wherein described in one, dumbbell head is dumbbell head to be covered, is placed in described die cavity;
Described moving platen is made up of moving platen body and slide block, and the die cavity on described moving platen is divided equally on described moving platen body and slide block, and between described moving platen body and slide block, is provided with and the dumbbell bar locating hole of described dumbbell bar close-fitting;
Described moving platen and gripper shoe are provided with opening and are positioned at the dumbbell bar mounting groove on described slide block disassembly direction.
2. dumbbell injection mold according to claim 1, it is characterized in that, in the space that described gripper shoe, cushion block and Bottom clamp plate are enclosed to form, be provided with limiting component, described in another, dumbbell head is arranged in this limiting component, and the mouth that snaps in of described limiting component is positioned on the disassembly direction of described slide block.
3. dumbbell injection mold according to claim 2, it is characterized in that, described limiting component comprises 3～6 claws, is divided into non-card porch, the pawl end of described claw is positioned at the side in the face of dumbbell bar of described dumbbell head, and the tail end of described claw is fixedly connected with Bottom clamp plate.
4. dumbbell injection mold according to claim 1, is characterized in that, described clamping mechanism is formed by the groove grafting of being located at the projection on described slide block and be located at accordingly on described solid plate.
5. dumbbell injection mold according to claim 1, is characterized in that, between described top clamping plate and solid plate, is provided with runner ejection plate.
6. according to the dumbbell injection mold described in any one in claim 1,4 or 5, it is characterized in that, described injection mold is injection mold with double parting surfaces, described solid plate comprises the cope match-plate pattern and the intermediate plate that are fixedly connected with, die cavity on described solid plate is divided on cope match-plate pattern and intermediate plate, and the die cavity of described cope match-plate pattern is provided with cast gate.
7. dumbbell injection mold according to claim 1, it is characterized in that, described injection mold also comprises cooling system, comprises the circulating cooling water channel of being located in described solid plate and moving platen and is located at described solid plate and the circulating cooling water pipe in moving platen outside.
8. dumbbell injection mold according to claim 1, is characterized in that, is carved with LOGO shape chamber on the inner surface of described die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420418127.0U CN203957300U (en) | 2014-07-28 | 2014-07-28 | Dumbbell injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420418127.0U CN203957300U (en) | 2014-07-28 | 2014-07-28 | Dumbbell injection mold |
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| CN203957300U true CN203957300U (en) | 2014-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129045A (en) * | 2014-07-28 | 2014-11-05 | 南通宝鹏健身器材科技有限公司 | Injection mold for dumbbell and dumbbell molding technology |
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2014
- 2014-07-28 CN CN201420418127.0U patent/CN203957300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129045A (en) * | 2014-07-28 | 2014-11-05 | 南通宝鹏健身器材科技有限公司 | Injection mold for dumbbell and dumbbell molding technology |
| CN104129045B (en) * | 2014-07-28 | 2016-08-17 | 南通宝鹏健身器材科技有限公司 | Dumbbell injection mold and dumbbell moulding process |
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