CN216544351U - Be used for fashioned mould of feeding bottle pottery gravity ball - Google Patents

Abstract

The application relates to the field of baby products, in particular to a mold for forming a feeding bottle ceramic gravity ball. The key points of the technical scheme are as follows: the movable mould comprises a movable mould part and a fixed mould part, wherein a movable mould groove is formed in the movable mould part, a fixed mould groove is formed in the fixed mould part, the movable mould part and the fixed mould part can be opened and closed mutually, and when the movable mould part and the fixed mould part are closed, the movable mould groove and the fixed mould groove are spliced mutually to form a forming cavity; the fixed die is provided with a fixed rod, the fixed rod is connected to the bottom of the fixed die groove, the fixed rod penetrates through the die cavity along the opening and closing direction of the movable die and the movable die, and the fixed rod is positioned in the middle of the die cavity; and a runner is arranged in the die and is respectively communicated with the die cavity and the outside of the die. This application has the fashioned function of high efficiency of realization work piece.

Description

Be used for fashioned mould of feeding bottle pottery gravity ball

Technical Field

The application relates to the field of infant products, in particular to a mold for forming a ceramic gravity ball of a feeding bottle.

Background

As a product special for infants, the infant products are mainly classified into foods, tableware, intelligence development products, furniture and electronic appliances. Among them, the feeding bottle is a typical representative of the tableware-like infant products, and almost every infant is used in the course of growth, and the design of the feeding bottle is very important for the infant.

Feeding bottles mainly comprise a bottle body, a bottle cap and a nipple, and a plurality of feeding bottles are provided with a straw and a gravity ball for the convenience of milk drinking of infants at present. Among the correlation technique, the main material of gravity ball adopts stainless steel or plastic, and the inside of gravity ball has the circulation passageway, directly splices on the feeding bottle straw during the use, and its detachable design has certain potential safety hazard when the infant uses. On the basis, the inventor manufactures the ceramic gravity ball, and the ceramic gravity ball and the silica gel soft suction pipe are integrally formed by wrapping silica gel outside the ceramic core, so that the use safety of the feeding bottle is improved.

However, in the forming process of the gravity ball, the forming step of the silica gel wrapping the ceramic core is complex, the forming of a common mold is difficult, and how to realize the efficient forming of the ceramic gravity ball is still to be improved.

SUMMERY OF THE UTILITY MODEL

In order to realize the high-efficient shaping of work piece, this application provides a mould that is used for feeding bottle pottery gravity ball shaping.

The application provides a be used for fashioned mould of feeding bottle pottery gravity ball adopts following technical scheme:

a mould for forming a ceramic gravity ball of a feeding bottle comprises a movable mould part and a fixed mould part, wherein a movable mould groove is formed in the movable mould part, a fixed mould groove is formed in the fixed mould part, the movable mould part and the fixed mould part can be opened and closed with each other, and when the movable mould part and the fixed mould part are closed, the movable mould groove and the fixed mould groove are spliced with each other to form a forming cavity; the fixed die is provided with a fixed rod, the fixed rod is connected to the bottom of the fixed die groove, the fixed rod penetrates through the die cavity along the opening and closing direction of the movable die and the movable die, and the fixed rod is positioned in the middle of the die cavity; and a runner is arranged in the die and is respectively communicated with the die cavity and the outside of the die.

By adopting the technical scheme, the ceramic core of the ceramic gravity ball is hollow in the middle, when the mold is used for injection molding of a workpiece, the ceramic core is firstly placed in the fixed mold groove on the fixed mold part, the fixed molding rod is inserted in the ceramic core, then the movable mold part is closed by the cover, and the fixed mold groove and the movable mold groove are mutually spliced to form the molding cavity. Then, silica gel is injected into the cavity from the runner, the ceramic core is wrapped by the silica gel layer to form a ceramic gravity ball under the mutual matching of the shaping rod, the ceramic core and the cavity, the runner in the ceramic gravity ball is shaped, the problem of forming of wrapping the ceramic core by the silica gel is solved through integral injection molding, and the efficient forming of the workpiece is realized under the repeated circulating opening and closing action of the fixed mold part and the movable mold part.

Preferably, the number of the cavities is provided with a plurality of, the runner includes many sprue and many subchannels, the both ends of sprue communicate respectively in the mould outside and many the one end of subchannel, many the other end of subchannel is respectively with a plurality of the cavity is linked together.

Through adopting above-mentioned technical scheme, in order to promote the production efficiency of mould, often can set up a plurality of die cavities in the mould to produce a plurality of work pieces simultaneously, it is corresponding, seted up many runners in the mould, when carrying out the silica gel injection to the work piece, silica gel is poured into the mould into by many sprue, and a plurality of die cavities are flowed into respectively to a plurality of subchannel of rethread, have realized the synchronous injection of a plurality of die cavities, and have accelerated to annotate the speed of full whole die cavities.

Preferably, the fixed mold part is provided with a sprue and a first guide groove, and the movable mold part is provided with a second guide groove; the first guide groove is circumferentially arranged along the notch of the fixed die groove, the second guide groove is circumferentially arranged along the notch of the movable die groove, and when the movable die element and the fixed die element are closed, the first guide groove and the second guide groove are mutually spliced to form a guide cavity; one end of the sprue is communicated with the runner, and the guide cavity is communicated with the other end of the sprue and the fixed die groove respectively.

By adopting the technical scheme, silica gel flows into the runner from the subchannel, flows into the guide cavity via the runner again, and flaring form runner distributes silica gel diffusion, makes silica gel get into the guide cavity from two directions that back on the back mutually, has increased into gluey area, afterwards, silica gel flows into the die cavity along the inboard circumference in guide cavity, and the distribution after making silica gel get into the die cavity is more even, and then can evenly fill up the die cavity, reduces the weld line and other surface defects of work piece, makes work piece shaping article outward appearance good.

Preferably, the fixed die further comprises a backing plate and an ejector, the backing plate is fixedly connected to one side, far away from the movable die, of the fixed die, the ejector penetrates through the fixed die and the backing plate respectively, and the ejector is in sliding fit with the fixed die and the backing plate respectively.

By adopting the technical scheme, in order to accommodate the ejection piece, the die is fixedly connected with the base plate, the ejection piece respectively penetrates through the fixed die piece and the base plate, after the workpiece in the cavity is subjected to injection molding and is cooled and shaped, the movable die piece is opened, and then the ejection piece is driven by the driving piece outside the die to move towards the direction of the fixed die groove, so that the shaped gravity ball semi-finished product is ejected out of the fixed die piece, and the demolding is completed.

Preferably, the ejector piece comprises an ejector rod, a spring and a butting piece, one end of the ejector rod penetrates into the fixed die groove, one end of the ejector rod, which is accommodated in the fixed die groove, is provided with a butting block, and the butting block is butted and limited with the bottom of the fixed die groove; the other end of the ejector rod is connected with a butting sheet, the spring is sleeved on the ejector rod, and two ends of the spring are respectively butted with the fixed die piece and the butting sheet.

Through adopting above-mentioned technical scheme, when needs ejecting to demold the work piece, the outside driving piece of mould exerts pressure to the ejector pin, makes the ejector pin move towards the direction of keeping away from the die cavity to ejecting the work piece in the die cavity. After the ejector rod ejects the workpiece, the ejector rod can automatically reset under the action of the elastic force of the spring, and at the moment, the abutting block abuts against the bottom of the fixed die groove, so that the possibility that the ejector rod is separated from the die is reduced.

Preferably, the ejecting piece further comprises a supporting bracket, the supporting bracket is fixedly connected to the abutting block and comprises a supporting column and a plurality of supporting portions, the shaping rod is fixedly connected to the supporting column, the supporting portions are arranged along the circumferential direction of the supporting column, and the supporting portions are respectively abutted to the end face of the ceramic core and the inner wall of the ceramic core circulation hole.

Through adopting above-mentioned technical scheme, because pottery gravity ball is injection moulding as an organic whole, the outside cladding of pottery core has the silica gel layer, the portion of bearing through bearing bracket circumference carries out the bearing to the pottery core here, reduce the area of contact of pottery core and butt piece, and reduce the area of contact of pottery core opening and shaping pole, make silica gel can flow into the clearance and the design between pottery core and butt piece and the shaping pole, the pottery gravity ball semi-manufactured goods after will finalizing the design and the drawing of patterns is further processed again, make the pottery core can wrap in the silica gel layer completely.

Preferably, a groove is formed in the groove wall of the bottom of the moving mold groove and is used for forming a supporting convex part on the ceramic gravity ball.

Through adopting above-mentioned technical scheme, keep away from the one side shaping of straw through the recess at ceramic gravity ball and have the support convex part, when ceramic gravity ball kept away from the one side of straw and contact with the feeding bottle inner wall, form the clearance through supporting the convex part between ceramic gravity ball and the feeding bottle inner wall, milk accessible clearance is inhaled inside circulating line, and the condition that the port that reduces ceramic gravity ball inside circulating line is blocked by the feeding bottle inner wall appears.

Preferably, the fixed mold part is provided with a flash tank, and the flash tank is communicated with the fixed mold tank.

Through adopting above-mentioned technical scheme, when carrying out the silica gel injection to the die cavity, for promoting the fashioned quality of work piece and reducing the inside bubble that appears of work piece, generally can pour into the silica gel that surpasss the saturation capacity slightly into in the mould, after the die cavity is filled up by silica gel, unnecessary silica gel can flow into the flash tank and store, treats behind the work piece design drawing of patterns, cuts off unnecessary silica gel again.

Preferably, the fixed die part is provided with an exhaust groove, and the exhaust groove is communicated with the flash tank.

By adopting the technical scheme, when the silica gel is injected into the cavity, the exhaust groove can exhaust the air in the cavity out of the mold; when the cavity is filled with the silica gel, the mold is heated by a machine outside the mold, so that the silica gel in the cavity is shaped, and the exhaust groove can exhaust hot air and other gases generated in the heating process, thereby further improving the molding quality of the workpiece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the mold is used for injection molding of a workpiece, a ceramic core is placed in a fixed mold groove on a fixed mold part, a fixed rod is inserted in the ceramic core, then the movable mold part is covered to close the mold, then silica gel is injected into a cavity from a runner, under the mutual matching of the fixed rod, the ceramic core and the cavity, a silica gel layer wraps the ceramic core to form a ceramic gravity ball, the internal runner of the ceramic gravity ball is shaped, and the problem of molding of the ceramic core wrapped by the silica gel is solved through integral injection molding;

2. when silica gel is injected into a workpiece, the silica gel is injected into the mold through the main runners and then flows into the cavities through the sub runners, so that synchronous injection of the cavities is realized, and the production efficiency of the mold is improved;

3. the ceramic core is supported by the supporting part in the circumferential direction of the supporting column, the contact area between the ceramic core and the abutting block is reduced, the shaping rod is inserted into the ceramic core to form a gap, and silica gel can flow into the gap between the ceramic core and the abutting block and between the shaping rod and be shaped.

Drawings

Fig. 1 is a schematic view showing the assembly relationship of the molds in the present application.

Fig. 2 is a partial cross-sectional view of the mold of the present application.

Fig. 3 is a schematic view of the assembled relationship of the ejector and the styling rod in the present application.

Fig. 4 is an enlarged view of a portion a in fig. 1.

Fig. 5 is an enlarged view of a portion B in fig. 2.

Description of reference numerals: 1. a movable module; 11. a movable mould groove; 12. positioning a groove; 13. a second guide groove; 14. a groove; 2. fixing a module; 21. a fixed die cavity; 22. connecting holes; 221. an abutment section; 222. a push-out section; 23. a gate; 24. a first guide groove; 25. a flash tank; 26. an exhaust groove; 3. a cavity; 4. a base plate; 41. a housing hole; 5. ejecting the part; 51. a butting block; 52. ejecting the rod; 53. a spring; 54. abutting the sheet; 55. a support bracket; 551. a support pillar; 5511. inserting grooves; 552. a bearing part; 5521. a first bearing arm; 5522. a second support arm; 6. a sizing rod; 7. a flow channel; 71. a main flow passage; 72. a shunt channel; 8. a guide chamber.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a mould for forming a ceramic gravity ball of a feeding bottle. Referring to fig. 1, the mold includes a movable mold member 1 and a fixed mold member 2. The movable mold part 1 and the fixed mold part 2 are both plate-shaped, the movable mold part 1 and the fixed mold part 2 are respectively and fixedly installed on the injection machine, wherein the movable mold part 1 is just opposite to the fixed mold part 2, and under the driving action of the injection machine, the movable mold part 1 and the fixed mold part 2 can be mutually far away from each other or mutually close and abut against each other, so that the mutual opening and closing action of the movable mold part 1 and the fixed mold part 2 is realized.

When the movable mould part 1 and the fixed mould part 2 are closed, the movable mould part can be positioned through a plurality of pins and then fixed by a plurality of screws, so that the assembly precision of the mould is improved. In addition, the ceramic gravity ball workpiece comprises a ceramic core and a silica gel layer, the silica gel layer wraps the ceramic core, the ceramic core is cylindrical, a circulation hole is formed in the middle of the ceramic core, and the circulation hole penetrates through one side of two end faces of the ceramic core.

Referring to fig. 2, in order to mold the ceramic gravity ball workpiece, a moving mold groove 11 recessed from outside to inside is formed in a side surface of the moving mold part 1 close to the fixed mold part 2, a fixed mold groove 21 recessed from outside to inside is formed in a side surface of the fixed mold part 2 close to the moving mold part 1, and the moving mold groove 11 and the fixed mold groove 21 can be molded by means of copper electrode machining. When the movable mould part 1 and the fixed mould part 2 are mutually assembled, the movable mould groove 11 and the fixed mould groove 21 are mutually assembled to form a cavity 3, and the shape of the cavity 3 is matched with the shape of a workpiece.

In order to improve the production efficiency of the mold, the number of the cavities 3 can be set to be multiple, and because the volume of the ceramic gravity ball workpiece is small, in this embodiment, the number of the cavities 3 is sixty, wherein every ten cavities 3 are in one group and are arranged at intervals to be in a circle shape, and the six groups of cavities 3 are adjacently arranged and are surrounded to form a ring shape, so that the silica gel is conveniently and subsequently and intensively injected into the cavities 3. Correspondingly, the number and arrangement of the movable mold cavities 11 and the fixed mold cavities 21 are consistent with those of the mold cavities 3, and the movable mold cavities 11 correspond to the fixed mold cavities 21 one by one, so that a plurality of mold cavities 3 can be formed when the movable mold part 1 and the fixed mold part 2 are mutually assembled, and the plurality of mold cavities 3 are used for curing and molding a plurality of workpieces.

Because the workpiece is shaped in the cavity 3, in order to block the opening of the fixed die cavity 21 far away from the cavity 3 and facilitate the demoulding of the workpiece, the die further comprises a backing plate 4 and an ejector 5. The backing plate 4 is fixedly connected to one side of the fixed module 2 far away from the movable module 1 in a screw connection mode. The backing plate 4 is provided with an accommodating hole 41 in a penetrating manner, the notch of the accommodating hole 41 is circular, the accommodating hole 41 and the fixed die cavity 21 are coaxially arranged, and one end of the accommodating hole 41 is communicated with the outside of the die; the fixed mold 2 is provided with a connecting hole 22, two ends of the connecting hole 22 are respectively communicated with the fixed mold cavity 21 and the accommodating hole 41, the connecting hole 22 comprises an abutting section 221 and an ejecting section 222, the abutting section 221 is close to the fixed mold cavity 21, the ejecting section 222 is close to the accommodating hole 41, and the outer edge profile of the abutting section 221 is larger than that of the ejecting section 222.

Therefore, the ejector 5 sequentially penetrates through the connecting hole 22 on the fixed mold part 2 and the containing hole 41 on the backing plate 4, one end of the ejector 5 is positioned in the abutting section 221, the other end of the ejector 5 is positioned in the containing hole 41, and the ejector 5 is respectively matched with the fixed mold part 2 and the backing plate 4 in a sliding mode to eject a workpiece in the cavity 3.

Referring to fig. 2 and 3, the ejector 5 performs an ejecting function, and the ejector 5 includes an abutting block 51, an ejector rod 52, and a spring 53. The abutting block 51 is in a circular truncated cone shape, the shape and the size of the abutting block 51 are matched with those of the abutting section 221, the ejector rod 52 is in a cylindrical rod shape, the shape and the size of the ejector rod 52 are matched with those of the ejector section 222, and the abutting block 51 and the ejector rod 52 are integrally formed.

Since the ejector 5 sequentially penetrates through the fixed mold part 2 and the backing plate 4, the abutting block 51 is accommodated in the abutting section 221, one side of the abutting block 51 far away from the ejector rod 52 just blocks the bottom of the fixed mold cavity 21, and one side of the abutting block 51 close to the ejector rod 52 abuts against the groove wall of the abutting section 221, so that the ejector 5 is limited; one end of the ejector rod 52 close to the abutting block 51 is accommodated in the ejector section 222, the other end of the ejector rod is accommodated in the accommodating hole 41, the spring 53 is sleeved at the position of the ejector rod 52 in the accommodating hole 41, one end of the ejector rod 52 far away from the abutting block 51 is fixedly connected with the abutting sheet 54 through a screw, one end of the spring 53 abuts against the fixed die part 2, and the other end of the spring 53 abuts against the abutting sheet 54.

After the workpiece is formed in the cavity 3 and cooled, demolding is required, at this time, the module 1 is started, and the ejector rod 52 is pressed by a driving part outside the mold, so that the ejector rod 52 moves towards a direction away from the base plate 4 to eject the workpiece in the fixed mold cavity 21. After the workpiece is demolded, the driving member outside the mold stops applying pressure to the ejector rod 52 and disengages from the ejector rod 52, and the ejector rod 52 can automatically return under the elastic force of the spring 53.

Referring to fig. 3, since the ceramic gravity ball has a flow channel inside, in order to coat the ceramic core in the silica gel ball, the ejector 5 further includes a support bracket 55, and the support bracket 55 is integrally formed on the side of the abutting block 51 away from the ejector rod 52. In order to reduce the contact area between the ceramic core and the abutment block 51 and the internal flow channel of the formed workpiece, the support bracket 55 includes support columns 551 and support portions 552, the support portions 552 are disposed along the circumferential direction of the support columns 551, in this embodiment, four support portions 552 are disposed, and the four support portions 552 are fixed at intervals in the circumferential direction of the support columns 551.

The supporting portion 552 includes a first supporting arm 5521 and a second supporting arm 5522, the first supporting arm 5521 is fixedly connected to the end surface of the supporting block 51, the second supporting arm 5522 is fixedly connected to the outer wall of the supporting column 551, one end of the first supporting arm 5521 is connected to one end of the second supporting arm 5522, and the first supporting arm 5521 and the second supporting arm 5522 are L-shaped.

The ceramic core is vertically sleeved on the supporting part 552 of the supporting bracket 55, wherein the first supporting arm 5521 is abutted with the end face of the ceramic core to form a gap, and the second supporting arm 5522 is abutted with the inner wall of the circulation hole in the ceramic core to form a gap, so that the silica gel can flow into the gap between the ceramic core and the abutting block 51.

In order to form a flow pipeline inside a workpiece, a shaping rod 6 is arranged on the fixed module 2, the shaping rod 6 is in a cylindrical rod shape, an insertion groove 5511 is concavely arranged on one side, away from the abutting block 51, of the supporting column 551 from outside to inside, the ceramic core is sleeved on the supporting bracket 55, the shaping rod 6 is inserted into a flow hole of the ceramic core, and one end of the shaping rod 6 is fixedly inserted into the insertion groove 5511. Here, the inner wall of the bottom of the moving mold 11 is provided with a positioning groove 12, the positioning groove 12 is matched with the shaping rod 6 and is opposite to the positioning groove 12, when the moving mold part 1 and the fixed mold part 2 are closed, one end of the shaping rod 6 far away from the supporting bracket 55 is inserted into the positioning groove 12 to further position the shaping rod 6, and therefore the deviation of the shaping rod 6 in the workpiece forming process is reduced.

The shaping rod 6 is inserted into the ceramic core through hole, the diameter size of the shaping rod 6 is smaller than that of the through hole, so that a gap between the shaping rod 6 and the through hole is formed, in addition, a gap is formed between the through hole and the support column 551 through the second support arm 5522, silica gel sequentially flows into the gaps and is heated and shaped, the silica gel wraps the ceramic core, and after demolding, the ceramic gravity ball of the molded internal through pipeline is obtained.

Referring back to fig. 1 and 2, in order to inject silicone gel into the cavity 3 to mold a workpiece, a plurality of sets of runners 7 are formed in the mold, and each set of runners 7 includes a main runner 71 and a plurality of branch runners 72. In order to correspond to the positions and the number of the cavities 3, in the present embodiment, six sets of runners 7 are provided, wherein each main runner 71 is respectively communicated with ten branch runners 72, each branch runner 72 is respectively communicated with one cavity 3, the main runner 71 can be formed by drilling, and the branch runners 72 can be formed by milling.

Specifically, the main runner 71 is arranged on the movable mold part 1 in a penetrating manner, one end of the main runner 71 is opened at one side of the movable mold part 1, which is far away from the fixed mold part 2, and is communicated with the outside of the mold, and the other end of the main runner 71 is in a necking shape, wherein the end of the main runner 71 in the necking shape is defined as a necking end; the branch channels 72 are arranged on one side of the fixed mould part 2 close to the movable mould part 1, the necking ends of the main channels 71 are simultaneously communicated with one ends of the branch channels 72, and the other ends of the branch channels 72 are communicated with the mould cavity 3.

Therefore, fluid silica gel can be injected into the mold through the main runners 71 and then is distributed into the cavities 3 through the sub runners 72, the requirement that the cavities 3 are filled with the fluid silica gel simultaneously is met, the speed of filling all the cavities 3 is increased by the necking end, and in order to shape the fluid silica gel in the cavities 3, heating devices can be additionally arranged at the movable mold part 1 and the fixed mold part 2, so that the fluid silica gel is molded in a thermosetting mode to form workpieces.

In daily use, one side of the ceramic gravity ball is connected with a suction pipe, and a circulation pipeline inside the ceramic gravity ball is communicated with a circulation pipeline inside the suction pipe, so that a child can suck milk in the feeding bottle. In the process of using the milk bottle by an infant, the situation that one side of the ceramic gravity ball, which is far away from the suction pipe, is contacted with the inner wall of the milk bottle can occur, so that the liquid inlet end of the internal circulation pipeline of the ceramic gravity ball is sealed by the inner wall of the milk bottle, and the infant is difficult to absorb milk.

In order to reduce the situation that the infant is difficult to suck the milk, a supporting convex part is convexly arranged on one side of the ceramic gravity ball, which is far away from the suction pipe, and the supporting convex part and the workpiece are integrally formed. Correspondingly, a groove 14 which is sunken from outside to inside is formed in the groove wall at the bottom of the movable mold groove 11 opposite to the opening, and the fluid silica gel flows into the groove 14 to be subjected to thermosetting molding to form the supporting convex part. When one side of the ceramic gravity ball, which is far away from the suction pipe, is in contact with the inner wall of the feeding bottle, the ceramic gravity ball and the inner wall of the feeding bottle are supported through the supporting convex part to form a gap, and milk can be sucked into an internal circulation pipeline of the ceramic gravity ball suction pipe through the gap, so that a child can drink the milk conveniently.

Referring to fig. 4 and 5, in order to reduce surface defects of the workpiece molded product, a gate 23 and a first guide groove 24 are formed at one side of the fixed mold part 2 close to the movable mold part 1. The two ends of the gate 23 are respectively communicated with one end of the runner 72 close to the cavity 3 and the first guide groove 24, the gate 23 is in a flaring shape, and the opening of the gate 23 is gradually enlarged from one end close to the runner 72 to one end close to the first guide groove 24, so that the glue inlet area can be increased; the first guide groove 24 is provided circumferentially along the notch of the fixed mold cavity 21 and forms a closed loop, and the inside of the first guide groove 24 communicates with the fixed mold cavity 21.

Correspondingly, a second guide groove 13 is formed on one side of the movable mould part 1 close to the fixed mould part 2, the second guide groove 13 is circumferentially arranged along the notch of the movable mould groove 11 and forms a closed loop, and the inner side of the second guide groove 13 is communicated with the movable mould groove 11. When the movable mold member 1 and the fixed mold member 2 are closed, the first guide groove 24 and the second guide groove 13 are engaged with each other to form the guide chamber 8, and the guide chamber 8 communicates with the gate 23 and the cavity 3, respectively.

Here, fluid silica gel flows into runner 23 from subchannel 72, flaring form runner 23 distributes fluid silica gel diffusion, make fluid silica gel flow into guide chamber 8 from two directions that carry on the back mutually, guide chamber 8 is filled up by fluid silica gel, because runner 7 continues to pour into fluid silica gel constantly, fluid silica gel flows into die cavity 3 along the inboard circumference in guide chamber 8, make the distribution and the flow of fluid silica gel in die cavity 3 comparatively even, reduce the production of bubble, and reduce the production of work piece surface weld line, the shaping effect of work piece shaping article has been promoted.

In order to reduce the occurrence of bubbles in the workpiece, a flash groove 25 which is concave from outside to inside is formed in one side of the fixed mold part 2 close to the movable mold part 1, and the flash groove 25 is communicated with one end of the first guide groove 24 far away from the gate 23. When the cavity 3 is filled with the fluid silica gel, the redundant fluid silica gel can flow into the first guide groove 24 and the flash groove 25 for storage, and after the workpiece is shaped and demoulded, the redundant silica gel is cut off, so that the quality of workpiece forming is improved.

The fixed mold part 2 is also provided with an exhaust groove 26 on one side surface close to the movable mold part 1, when the movable mold part 1 and the fixed mold part 2 are mutually closed, a parting surface is formed between the movable mold part 1 and the fixed mold part 2, and the exhaust groove 26 is respectively communicated with the flash groove 25 and the parting surface so as to exhaust hot air and other gases in the mold. In addition, when the fluid silica gel is injected into the cavity 3, the air discharge groove 26 can discharge the air in the cavity 3, and the condition that air bubbles appear in the sizing workpiece is further reduced. In other embodiments, the vent channel 26 may also be in direct communication with the flash channel 25 and the exterior of the mold to vent the gases within the mold.

The implementation principle of the mold for forming the ceramic gravity ball of the feeding bottle in the embodiment of the application is as follows: because the ceramic core of the ceramic gravity ball is provided with a through hole in the middle, when the mold is used for injection molding of a workpiece, the ceramic core is firstly sleeved on the supporting bracket 55 in the fixed mold groove 21, then the shaping rod 6 is inserted for molding the internal through pipeline of the ceramic gravity ball, then the movable mold 1 is closed, and the fixed mold groove 21 and the movable mold groove 11 are spliced with each other to form the cavity 3. Silica gel is injected into the cavity 3 from the runner 7, and under the mutual matching of the shaping rod 6, the ceramic core and the bearing bracket 55, the ceramic core is wrapped in the silica gel ball to form a ceramic gravity ball semi-finished product for further processing and forming in the following. Therefore, the problem that the silica gel wrapped ceramic core is difficult to mold is solved through integral injection molding, and efficient molding of workpieces is realized under the repeated circulating opening and closing action of the fixed mold part 2 and the movable mold part 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a mould for feeding bottle pottery gravity ball shaping, includes movable mould piece (1) and decides mould piece (2), its characterized in that:

a movable mould groove (11) is formed in the movable mould part (1), a fixed mould groove (21) is formed in the fixed mould part (2), the movable mould part (1) and the fixed mould part (2) can be mutually opened and closed, and when the movable mould part (1) and the fixed mould part (2) are closed, the movable mould groove (11) and the fixed mould groove (21) are mutually spliced to form a mould cavity (3);

the fixed die part (2) is provided with a fixed rod (6), the fixed rod (6) is connected to the bottom of the fixed die groove (21), the fixed rod (6) penetrates through the die cavity (3) along the opening and closing direction of the movable die part (1) and the movable die part (1), and the fixed rod (6) is positioned in the middle of the die cavity (3);

a runner (7) is arranged in the die, and the runner (7) is respectively communicated with the die cavity (3) and the outside of the die.

2. The mold for forming the ceramic gravity ball of the feeding bottle as claimed in claim 1, wherein: the quantity of die cavity (3) is provided with a plurality ofly, runner (7) are including many sprue (71) and many subchannel (72), the both ends of sprue (71) communicate respectively in the mould outside and many the one end of subchannel (72), many the other end of subchannel (72) is respectively with a plurality of die cavity (3) are linked together.

3. The mold for forming the ceramic gravity ball of the feeding bottle as claimed in claim 2, wherein: a sprue (23) and a first guide groove (24) are formed in the fixed die part (2), and a second guide groove (13) is formed in the movable die part (1); the first guide groove (24) is arranged along the notch circumference of the fixed die cavity (21), the second guide groove (13) is arranged along the notch circumference of the movable die cavity (11), and when the movable die piece (1) and the fixed die piece (2) are closed, the first guide groove (24) and the second guide groove (13) are spliced with each other to form a guide cavity (8); one end of the sprue (23) is communicated with the runner (72), and the guide cavity (8) is respectively communicated with the other end of the sprue (23) and the fixed die cavity (21).

4. The mold for forming the ceramic gravity ball of the feeding bottle as claimed in claim 1, wherein: still include backing plate (4) and liftout (5), backing plate (4) fixed connection in decide module (2) and keep away from move one side of module (1), liftout (5) run through respectively decide module (2) and backing plate (4), liftout (5) respectively with decide module (2) and backing plate (4) cooperation of sliding.

5. The mold for forming the ceramic gravity ball of the feeding bottle as claimed in claim 4, wherein: the ejector piece (5) comprises an ejector rod (52), a spring (53) and a butting piece (54), one end of the ejector rod (52) penetrates into the fixed die groove (21), one end, accommodated in the fixed die groove (21), of the ejector rod (52) is provided with a butting block (51), and the butting block (51) is butted and limited with the bottom of the fixed die groove (21); the other end of the ejector rod (52) is connected with a butting piece (54), the spring (53) is sleeved on the ejector rod (52), and two ends of the spring (53) are respectively butted with the fixed module (2) and the butting piece (54).

6. The mold for forming the ceramic gravity ball of the feeding bottle as claimed in claim 5, wherein: the ejection piece (5) further comprises a supporting bracket (55), the supporting bracket (55) is fixedly connected to the abutting block (51), the supporting bracket (55) comprises a supporting column (551) and a plurality of supporting parts (552), the shaping rod (6) is fixedly connected to the supporting column (551), the supporting parts (552) are circumferentially arranged along the supporting column (551), and the supporting parts (552) are respectively abutted to the end face of the ceramic core and the inner wall of the ceramic core through hole.

7. The mold for forming the ceramic gravity ball of the feeding bottle as claimed in claim 1, wherein: a groove (14) is formed in the groove wall at the bottom of the movable die groove (11), and the groove (14) is used for forming a supporting convex part on the ceramic gravity ball.

8. The mold for forming the ceramic gravity ball of the feeding bottle as claimed in claim 1, wherein: the fixed die piece (2) is provided with a flash groove (25), and the flash groove (25) is communicated with the fixed die groove (21).

9. The mold for forming the ceramic gravity ball of the feeding bottle as claimed in claim 8, wherein: the fixed module (2) is provided with an exhaust groove (26), and the exhaust groove (26) is communicated with the flash groove (25).

Images