CN212666605U

CN212666605U - Dumbbell full-buckle die

Info

Publication number: CN212666605U
Application number: CN202021280116.2U
Authority: CN
Inventors: 许建华; 葛云; 郭志兵; 李亚青
Original assignee: Jiangsu Baihai Environmental Protection Technology Group Co ltd
Current assignee: Jiangsu Baihai New Materials Co.,Ltd.
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-09
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a dumbbell full-buckling mould, including the runner cover, the bed die, go up mould and bushing type thimble, it locates the top of bed die and can reciprocate for the bed die to go up the mould, the bushing type thimble includes a thimble and an department section of thick bamboo, the department section of thick bamboo cover is located the thimble and can reciprocates for the thimble, the bed die is located to the thimble, an department section of thick bamboo is used for ejecting dumbbell to detain entirely, the bed die includes the lower profiled sheeting, the lower profiled sheeting includes the profiled sheeting body, the runner and the passageway of watering of annotating, the passageway of watering of annotating includes first sprue and second sprue of annotating, the passageway of watering of annotating is used for intercommunication subchannel and die cavity, the runner cover is located the top that the discharge gate of mould and runner cover. This dumbbell detains mould entirely can just accomplish the cutting of runner through the design of pouring the passageway for the dumbbell detains the drawing of patterns entirely, runner separation department outward appearance uniformity is guaranteed in the automation of runner separation, has solved the problem that traditional manual work separates the runner technology and can't guarantee that runner separation department outward appearance is unanimous.

Description

Dumbbell full-buckle die

Technical Field

The utility model relates to a technical field of mould, concretely relates to dumbbell is mould of detaining entirely.

Background

The dumbbell full button is a plastic product in the rainwater storage module and is formed by hot pressing through a die. In the existing dumbbell full-buckling mold, generally, a stub bar is connected with a product through a sprue after the dumbbell is fully buckled in injection molding, a worker needs to trim the sprue, the labor intensity is high, and the sprue is not attractive in trimming. In the existing injection mold technology, the dumbbell is fully buckled, manual demoulding is mostly adopted, and the product can be taken out only with great force due to strong adhesive force of the dumbbell fully buckled on the mold.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dumbbell is mould of detaining entirely solves one or more among the above-mentioned prior art problem.

The utility model discloses a dumbbell full-buckling mould, including runner cover, bed die, top die and bushing type thimble, the top die is located the top of bed die and can reciprocate relative to the bed die, bushing type thimble includes thimble and department's section of thick bamboo, department's section of thick bamboo cover is located the thimble and can reciprocate relative to the thimble, the thimble is located the bed die, department's section of thick bamboo is used for ejecting dumbbell full-buckling, the bed die includes lower forming plate, lower forming plate includes forming plate body, runner and pours the passageway into, the forming plate body is equipped with a plurality of die cavities, the runner includes sprue, secondary runner and subchannel, the sprue communicates with the secondary runner, the secondary runner communicates with the subchannel, the pouring passageway includes first pouring gate and second pouring gate, the pouring passageway is used for communicating the subchannel with the die cavity, the first sprue is located the subchannel and with the distance at subchannel top is not more than 1mm, the second sprue is located the die cavity and with the distance at die cavity top is not more than 1mm, the runner cover is located go up the mould just the discharge gate of runner cover is located the top of sprue.

In some embodiments, the upper die comprises an upper die cover plate and an upper forming plate, the upper forming plate is provided with a plurality of positioning holes, positioning sleeves are arranged in the positioning holes, the lower die further comprises a lower die cover plate, die pins, an ejector retainer plate and an ejector pin cover plate, the lower die cover plate, the die pins and the lower forming plate are fixedly connected, the ejector pin plate is arranged above the lower die cover plate, the ejector pin cover plate is arranged above the ejector pin plate and fixedly connected with the ejector pin plate, the ejector pins are fixed on the lower die cover plate and sequentially penetrate through the ejector pin plate, the ejector pin cover plate and the lower forming plate, the top of the ejector pins is inserted into the positioning sleeves, the ejector sleeve is fixed on the ejector pin plate and sequentially penetrates through the ejector pin cover plate, and the top of the ejector sleeve.

In some embodiments, the ejector pin is cylindrical, the ejector pin base is arranged at the bottom of the ejector pin, the ejector pin base is fixedly connected with the lower die cover plate, the ejector sleeve is of a hollow cylindrical structure, the inner diameter of the ejector sleeve is equal to the outer diameter of the ejector pin, the height of the ejector sleeve is smaller than that of the ejector pin, an annular bulge is arranged on the outer wall of the bottom of the ejector sleeve, and the annular bulge of the ejector sleeve is abutted to the ejector plate.

In some embodiments, the ejector pin plate further comprises four reset rods, the lower forming plate is of a rectangular structure, four corners of the lower forming plate are provided with reset rod holes, the bottom of each reset rod is fixed on the ejector pin plate, the top of each reset rod is inserted into the corresponding reset rod hole, and the reset rods correspond to the reset rod holes one to one.

In some embodiments, the mold further includes four guide posts, the upper molding plate has four guide holes, the guide posts penetrate through the lower molding plate and are fixedly connected to the lower molding plate, tops of the guide posts are inserted into the guide holes, and the guide posts are in one-to-one correspondence with the guide holes.

In some embodiments, the material pulling device further comprises a plurality of material pulling hooks, the bottom of each material pulling hook is fixed to the ejector plate, a plurality of material pulling hook holes are formed in the secondary flow channel, the top of each material pulling hook is arranged in each material pulling hook hole, and the material pulling hook holes correspond to the material pulling hooks one to one.

In some embodiments, a plurality of cooling water holes are transversely arranged in the lower forming plate.

In some embodiments, the main runner is transversely disposed on the molding plate body and located below the sprue bush, a plurality of secondary runners are disposed on two sides of the main runner and communicated with the secondary runners, sub-runners are disposed on two sides of each secondary runner and communicated with the sub-runners, and the sub-runners are in one-to-one correspondence with the cavities.

In some embodiments, the secondary flow channels are arranged perpendicular to the primary flow channels, and the sub-flow channels are arranged perpendicular to the secondary flow channels.

In some embodiments, every two adjacent cavities are connected through a connecting groove, and two protrusions are arranged in the connecting groove.

Has the advantages that:

the utility model provides a dumbbell detains mould entirely can be through the design of pouring the passageway for the cutting of runner has just been accomplished to dumbbell detain when the drawing of patterns entirely, and the runner separation department outward appearance uniformity is guaranteed in the automation of runner separation, has solved the problem that traditional manual separation runner technology can't guarantee that runner separation department outward appearance is unanimous.

And the design of bushing type thimble, simple structure has just realized the automation of dumbbell full-button drawing of patterns technology, and convenient operation safety has greatly improved the finished product qualification rate.

Drawings

Fig. 1 is a schematic structural view of a dumbbell full buckle mold according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a dumbbell full-buckle mold according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a dumbbell full-buckle mold according to an embodiment of the present invention;

fig. 4 is a schematic partial structural view of a dumbbell full buckle mold according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a dumbbell full-buckle mold forming plate according to an embodiment of the present invention;

fig. 6 is a schematic view of a partial structure of a dumbbell full-buckle mold forming plate according to an embodiment of the present invention;

fig. 7 is a schematic view of a partial structure of a dumbbell full-buckle mold according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a sleeve-type ejector rod of a full-buckle mold for dumbbells according to an embodiment of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4:

the dumbbell full-buckling die comprises a sprue bush 10, a lower die, an upper die and a sleeve type thimble 40, wherein the upper die is arranged above the lower die and can move up and down relative to the lower die, the upper die comprises an upper die cover plate 21 and an upper forming plate 22, the upper die cover plate 21 and the upper forming plate 22 are fixedly connected through bolts, the upper forming plate 22 is provided with a plurality of positioning holes 23, positioning sleeves 24 are arranged in the positioning holes 23, the lower die comprises a lower forming plate 31, a lower die cover plate 33, a die pin 32, a thimble plate 35 and a thimble cover plate 34, the lower die cover plate 33, the die pin 32 and the lower forming plate 31 are fixedly connected through bolts, the thimble plate 35 is arranged above the thimble plate 35 and is fixedly connected with the thimble plate 35 through bolts;

the bushing-type thimble 40 includes a thimble 41 and an ejector sleeve 42, the ejector sleeve 42 is sleeved on the thimble and can move up and down relative to the thimble 41, the thimble 41 is fixed on the lower mold cover plate 33 and sequentially penetrates through the thimble plate 35, the thimble cover plate 34 and the lower forming plate 31, the top of the thimble 41 is inserted into the positioning sleeve 24, the ejector sleeve 42 is fixed on the thimble plate 35 and sequentially penetrates through the thimble cover plate 34, and the top of the ejector sleeve 42 is located in the cavity 311;

among them, as shown in fig. 5 and 6:

the lower molding plate 31 comprises a molding plate body 310, a runner and an injection channel, wherein the molding plate body 310 is provided with a plurality of cavities 311, the runner comprises a main runner 312, a secondary runner 313 and a sub-runner 314, the main runner 312 is communicated with the secondary runner 313, the secondary runner 313 is communicated with the sub-runner 314, the injection channel comprises a first injection gate 51 and a second injection gate 52, the injection channel is used for communicating the sub-runner 314 with the cavities 311, the first injection gate 51 is positioned on the sub-runner 314, the distance between the first injection gate and the top of the sub-runner 314 is not more than 1mm, the second injection gate 52 is positioned on the cavities 311, the distance between the second injection gate and the top of the cavities 311 is not more than 1mm, the sprue bush 10 is arranged on the upper mold, and the discharge hole of the sprue bush 10 is positioned above the main runner 312.

Specifically, the main runner 312 is transversely disposed on the molding plate body 310 and located below the sprue bush 10, a plurality of secondary runners 313 are disposed on two sides of the main runner 312 and are all communicated with the secondary runners 313, a branch runner 314 is disposed on two sides of each secondary runner 313 and is all communicated with the branch runner 314, and the branch runners 314 are in one-to-one correspondence with the cavities 311.

Further, the secondary flow channel 313 is disposed perpendicular to the main flow channel 312, and the sub-flow channel 314 is disposed perpendicular to the secondary flow channel 313.

Furthermore, every two adjacent cavities 311 are connected by a connecting groove 91, and two protrusions 92 are arranged in the connecting groove 91. With such design, the obtained dumbbell is easy to buckle

Further, a plurality of cooling water holes 318 are transversely formed in the lower molding plate 31, and the cooling water holes 318 are used for externally connecting cooling water.

As shown in fig. 8:

specifically, thimble 41 is cylindric, thimble 41 bottom is equipped with thimble base 411, thimble base 411 with lower mould apron 33 fixed connection, department's section of thick bamboo 42 is hollow tubular structure, department's section of thick bamboo 42 internal diameter equals thimble 41's external diameter, department's section of thick bamboo 42 highly is less than thimble 41's height, the outer wall of department's section of thick bamboo 42 bottom is equipped with annular arch 421, department's section of thick bamboo 42 annular arch 421 with thimble board 35 butt.

As shown in fig. 7:

further, still include four release links 60, lower profiled sheeting 31 is the rectangle structure, four angles of lower profiled sheeting 31 all are equipped with release link hole 315, the bottom of release link 60 is fixed in thimble board 35, the top of release link 60 peg graft in release link hole 315, release link 60 with release link hole 315 one-to-one.

Further, the mold also includes four guide posts 70, the upper molding plate 22 has four guide holes 316, the guide posts 70 penetrate through the lower molding plate 31 and are fixedly connected with the lower molding plate 31, the tops of the guide posts 70 are inserted into the guide holes 316, and the guide posts 70 correspond to the guide holes 316 one to one. Upper and lower forming

plates

22 and 31 move up and down along guide posts 70.

Further, still include a plurality of material pulling hooks 80, material pulling hook 80 bottom is fixed in thimble board 35, be equipped with a plurality of material pulling hook holes 317 in the runner, material pulling hook 80 top is located in material pulling hook hole 317, material pulling hook hole 317 with material pulling hook 80 one-to-one. Wherein, the material pulling hook 80 is used for assisting in ejecting the full button of the dumbbell.

The working principle is as follows:

when the dumbbell full-buckle die is used for injection molding, the molten material enters the main runner from the sprue bush and respectively carries out corresponding cavities through the secondary runner and the sub-runner;

after injection molding, the upper mold forming plate moves upwards, the ejector sleeve of the sleeve type thimble upwards buckles the dumbbell completely under the driving of the thimble plate to be ejected, and at the moment, because the distance between the first sprue and the second sprue of the pouring channel and the top is not more than 1mm, the sprue of the dumbbell completely buckles can be automatically cut when the dumbbell completely buckles the demolding.

Therefore, the dumbbell full-buckle mold can cut the sprue through the design of the pouring channel, the appearance consistency of the sprue separation part is guaranteed through the automation of sprue separation, and the problem that the appearance consistency of the sprue separation part cannot be guaranteed through the traditional manual sprue separation process is solved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept, and these should also be considered as within the protection scope of the present invention.

Claims

1. The dumbbell full-buckling mold is characterized by comprising a sprue bush (10), a lower mold, an upper mold and a sleeve-type thimble (40), wherein the upper mold is arranged above the lower mold and can move up and down relative to the lower mold, the sleeve-type thimble (40) comprises a thimble (41) and an ejector sleeve (42), the ejector sleeve (42) is sleeved on the thimble and can move up and down relative to the thimble (41), the thimble (41) is arranged on the lower mold, the ejector sleeve (42) is used for ejecting the dumbbell full buckle, the lower mold comprises a lower molding plate (31), the lower molding plate (31) comprises a molding plate body (310), a runner and an injection-pouring channel, the molding plate body (310) is provided with a plurality of cavities (311), the runner comprises a main runner (312), a secondary runner (313) and a branch runner (314), and the main runner (312) is communicated with the secondary runner (313), the secondary runner (313) is communicated with the sub-runner (314), the pouring channel comprises a first pouring gate (51) and a second pouring gate (52), the pouring channel is used for communicating the sub-runner (314) with the cavity (311), the first pouring gate (51) is located on the sub-runner (314) and is not more than 1mm away from the top of the sub-runner (314), the second pouring gate (52) is located on the cavity (311) and is not more than 1mm away from the top of the cavity (311), the sprue bush (10) is arranged on the upper die, and a discharge hole of the sprue bush (10) is located above the main runner (312).

2. The dumbbell full-buckling mold according to claim 1, wherein the upper mold comprises an upper mold cover plate (21) and an upper mold plate (22), the upper mold plate (22) is provided with a plurality of positioning holes (23), positioning sleeves (24) are arranged in the positioning holes (23), the lower mold further comprises a lower mold cover plate (33), mold legs (32), an ejector pin plate (35) and an ejector pin cover plate (34), the lower mold cover plate (33), the mold legs (32) and the lower mold plate (31) are fixedly connected, the ejector pin plate (35) is arranged above the lower mold cover plate (33), the ejector pin cover plate (34) is arranged above the ejector pin plate (35) and is fixedly connected with the ejector pin plate (35), the ejector pins (41) are fixed on the lower mold cover plate (33) and sequentially penetrate through the ejector pin plate (35), the ejector pin cover plate (34) and the lower mold plate (31), the top of the ejector pin (41) is inserted into the positioning sleeve (24), the ejector sleeve (42) is fixed on the ejector plate (35) and sequentially penetrates through the ejector cover plate (34), and the top of the ejector sleeve (42) is located in the cavity (311).

3. The dumbbell full buckling die according to claim 2, characterized in that the ejector pins (41) are cylindrical, an ejector pin base (411) is arranged at the bottom of the ejector pins (41), the ejector pin base (411) is fixedly connected with the lower die cover plate (33), the ejector sleeve (42) is of a hollow cylindrical structure, the inner diameter of the ejector sleeve (42) is equal to the outer diameter of the ejector pins (41), the height of the ejector sleeve (42) is smaller than that of the ejector pins (41), an annular protrusion (421) is arranged on the outer wall of the bottom of the ejector sleeve (42), and the annular protrusion (421) of the ejector sleeve (42) abuts against the ejector pin plate (35).

4. The dumbbell full buckling die according to claim 2, characterized in that the dumbbell full buckling die further comprises four reset rods (60), the lower forming plate (31) is of a rectangular structure, reset rod holes (315) are formed in four corners of the lower forming plate (31), the bottoms of the reset rods (60) are fixed to the ejector plate (35), the tops of the reset rods (60) are inserted into the reset rod holes (315), and the reset rods (60) correspond to the reset rod holes (315) in a one-to-one manner.

5. The dumbbell full buckling die according to claim 2, characterized in that the dumbbell full buckling die further comprises four guide posts (70), the upper forming plate (22) is provided with four guide holes (316), the guide posts (70) penetrate through the lower forming plate (31) and are fixedly connected with the lower forming plate (31), the tops of the guide posts (70) are inserted into the guide holes (316), and the guide posts (70) correspond to the guide holes (316) one by one.

6. The dumbbell full-buckling die according to claim 2, characterized by further comprising a plurality of pulling hooks (80), wherein the bottom of each pulling hook (80) is fixed to the ejector plate (35), a plurality of pulling hook holes (317) are formed in the runner, the top of each pulling hook (80) is arranged in each pulling hook hole (317), and the pulling hook holes (317) are in one-to-one correspondence with the pulling hooks (80).

7. The dumbbell full-buckle mold according to claim 1, wherein a plurality of cooling water holes (318) are transversely formed in the lower forming plate (31).

8. The dumbbell full-buckling mold according to claim 1, wherein the main runner (312) is transversely arranged on the forming plate body (310) and located below the sprue bush (10), a plurality of secondary runners (313) are arranged on two sides of the main runner (312) and are communicated with the secondary runners (313), a sub-runner (314) is arranged on two sides of each secondary runner (313) and is communicated with the sub-runner (314), and the sub-runners (314) correspond to the cavities (311) one by one.

9. The dumbbell full buckle mold according to claim 7, wherein the secondary runner (313) is vertically disposed with the primary runner (312), and the sub-runner (314) is vertically disposed with the secondary runner (313).

10. The dumbbell full buckle mold according to claim 1, wherein every two adjacent cavities (311) are connected by a connecting groove (91), and two protrusions (92) are arranged in the connecting groove (91).