CN223045058U - One-time forming mold for processing baby carriage tire - Google Patents

Abstract

The utility model relates to the technical field of baby tire forming dies and discloses a one-time forming die for processing a baby tire, which comprises a fixed die and a movable die, wherein a left die cavity is formed in one surface of the fixed die, which is close to the movable die, a left hub seat is arranged in the center of the left die cavity, a forming spacer bush is sleeved outside the left hub seat, limiting convex seats are arranged at four corners of one side of the fixed die, which is close to the movable die, limiting rods are fixedly connected to the four limiting convex seats, the movable die is slidably arranged on the limiting rods, a right die cavity is formed in one side of the movable die, which is close to the fixed die, a right hub seat is arranged in the center of the right die, a bottom plate is fixedly connected to the right side of the movable die, and an electric cylinder is fixedly arranged on the right side surface of the bottom plate.

Description

One-time forming die for processing baby tire

Technical Field

The utility model relates to the technical field of baby tire forming dies, in particular to a one-time forming die for processing a baby tire.

Background

Along with the continuous improvement of people's requirement to quality of life, people are also higher and higher to the quality and the security requirement of bassinet, traditional bassinet's tire structure is complicated, need carry out production processing respectively with cover tire, inner tube and wheel hub, form after assembling each subassembly again, not only need set up many processing lines, still need set up the equipment production line, manpower, transportation and storage cost are high, when production efficiency is low, there is the inseparable problem of connection probably between the assembled parts, product quality is not ensured, there is some potential safety hazards yet, therefore the bassinet tire of traditional production technology production is replaced by integrated into one piece's injection molding tire gradually, just need one-shot forming's mould of tire can accomplish.

The tire mold comprises an upper back plate, an upper mold, a lower mold and a lower back plate, wherein a mold cavity is arranged in the lower mold, a lower hub seat is arranged in the middle of the mold cavity, a lower mold sealing ring and a vacuumizing port connected with the mold cavity are arranged on the lower mold, a vacuum pump is connected to the vacuumizing port to help remove residual gas in the mold cavity, the tire mold comprises a hub and a tire, a circular arc cavity is arranged in the hub, an inner shell is arranged in the circular arc cavity, when the tire is produced, the molded hub is firstly placed in the lower hub seat, the tire is integrally molded on the molded hub, but the prior art still has a plurality of defects, such as incapability of carrying out injection molding on the hub and the tire skin in the same mold, the need of additionally purchasing or arranging a separate mold and a production line, the production and transportation cost is improved, the color of the tire material is inconvenient to change rapidly according to requirements, the production is not flexible and rich, and the production efficiency is reduced.

Disclosure of utility model

The utility model aims to provide a one-time forming die for processing a baby tire, which aims to solve the problems in the prior art.

The one-time forming die for processing the baby tire comprises a fixed die and a movable die, wherein a left die cavity is formed in one surface of the fixed die, which is close to the movable die, a left hub seat is arranged in the center of the left die cavity, a forming spacer bush is sleeved outside the left hub seat, limiting convex seats are formed in four corners of one side of the fixed die, which is close to the movable die, limiting rods are fixedly connected to the four limiting convex seats, the movable die is slidably mounted on the limiting rods, limiting grooves are formed in four corners of one side of the movable die, which is close to the fixed die, limiting holes are formed in the four limiting grooves, a right die cavity is formed in the center of the right die cavity, a bottom plate is fixedly connected to the right side of the movable die, the bottom plate is slidably mounted on the four limiting rods, and an electric cylinder is fixedly mounted on the right side of the bottom plate.

As a further improvement to the scheme, the right end of the forming separation sleeve is provided with an annular push plate, the left end of the forming separation sleeve is provided with four sliding sheets along the circumference, and the left ends of the four sliding sheets penetrate through the fixed die and are fixed with pressing plates.

As a further improvement to the scheme, the left ends of the four limiting rods are in interference fit with the four limiting holes, and the right sides of the four limiting rods are provided with limiting sleeves.

As a further improvement to the scheme, fixed grooves are formed in four corners of the left side face of the fixed die, threaded holes are formed in the centers of the four fixed grooves, a first material injection hole and a second material injection hole are formed in the top face of the fixed die, a first water inlet and a first water outlet are formed in the front face of the fixed die, and a left water cooling pipe is arranged at a position, far away from a left die cavity, in the fixed die.

As a further improvement to the scheme, the top surface of the movable mould is provided with a vacuumizing port, the front surface of the movable mould is provided with a second water inlet and a second water outlet, and a right water cooling pipe is arranged at a position, far away from the right mould cavity, in the movable mould.

As a further improvement to the scheme, an exhaust channel is formed in the outer side of the left die cavity, and a sealing ring is arranged in the outer side of the right die cavity.

As a further improvement to the scheme, a push plate groove is formed in the outer side of the left hub seat, and bearing seats are arranged at the centers of the left hub seat and the right hub seat.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the left hub seat is sleeved with the forming separation sleeve, the right end of the forming separation sleeve is provided with the annular push plate, the left end of the forming separation sleeve is circumferentially provided with four sliding sheets, the left ends of the four sliding sheets penetrate through the fixed die and are fixedly provided with the pressing plate, the pressing plate is connected with the electric push rod and the distance sensor, and the outer side of the left hub seat is provided with the push plate groove; when the baby carrier tire is subjected to injection molding, the forming separation sleeve is matched with the mold cavity to form a hub, then the forming separation sleeve is retracted to carry out injection molding of the tire skin, the annular push plate is matched with the push plate groove to avoid defects on the surface of the tire, and the injection molding of different parts is finished by using different materials in one mold through the structure, so that the processing technology is improved, the production efficiency is improved, the components are combined more tightly through the integrated molding, the product quality is improved, and further, after the tire injection molding is finished, the annular push plate can push out the tire to help the tire to be demolded, one-time molding of the tire is finished, different technical effects are produced by the same structure in different production stages, and the tire has multiple functions under the condition of not increasing the structure.

2. According to the utility model, the first water inlet and the first water outlet are formed in the front surface of the fixed die, cooling water flows in from the first water inlet after injection molding is finished, the first water outlet flows out, the left water cooling pipe is arranged in the fixed die at a position far away from the left die cavity, the second water inlet and the second water outlet are formed in the front surface of the movable die, the right water cooling pipe is arranged in the movable die at a position far away from the right die cavity, cooling water flows in from the second water inlet and flows out from the second water outlet after injection molding is finished, the cooling time of an injection molding piece can be conveniently controlled by controlling the temperature and the flow rate of the cooling water, and the cooling time can be adjusted according to the performance of injection molding materials, so that the purposes of reducing the injection molding period and improving the production efficiency are achieved, and meanwhile, the quality of the injection molding piece can be improved due to proper cooling time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a first view of the present utility model;

FIG. 2 is a schematic perspective view of a second view of the present utility model;

FIG. 3 is a schematic perspective view of a tire of the present utility model without demolding;

FIG. 4 is a cross-sectional view of the present utility model;

FIG. 5 is a partial cross-sectional view of the present utility model;

FIG. 6 is a schematic view of the structure of the molded spacer of the present utility model.

In the drawing, 1, a fixed die, 101, a left die cavity, 102, a left hub seat, 103, a limiting convex seat, 104, a fixed groove, 105, a threaded hole, 106, a first material injection opening, 107, a second material injection opening, 108, a first water inlet, 109, a first water outlet, 110, a left water cooling pipe, 111, an exhaust ditch, 112, a push plate groove, 2, a movable die, 201, a limiting groove, 202, a limiting hole, 203, a right die cavity, 204, a right hub seat, 205, a second water inlet, 206, a second water outlet, 207, a right water cooling pipe, 208, a sealing ring, 209, a vacuumizing opening, 3, a forming blocking sleeve, 301, an annular push plate, 302, a sliding sheet, 303, a pressing plate, 401, a limiting sleeve, 4, a limiting rod, 5, a bottom plate, 6, an electric cylinder, 7 and a bearing seat are shown.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The utility model provides a bassinet tire processing is with one shot forming mould, as shown in fig. 1 through 6, including cover half 1 and movable mould 2, the left die cavity 101 has been seted up to the one side that cover half 1 is close to movable mould 2, left side die cavity 101 center has left hub seat 102, left hub seat 102 center is equipped with bearing frame 7, install the bearing on bearing frame 7 during processing, it moulds plastics again, make bearing and wheel hub combine closely to improve wheel integrality, left hub seat 102 overcoat is equipped with shaping spacer bush 3, during processing, shaping spacer bush 3 and die cavity cooperation injection moulding form wheel hub, retrieve again and carry out the injection moulding of child skin, shaping spacer bush 3 right-hand member is equipped with annular push pedal 301, after accomplishing the tire injection moulding and cooling, annular push pedal 301 is released the tire, help the tire drawing of patterns, shaping spacer bush 3 left end is equipped with four gleitbretter 302 along the circumference, four gleitbretter 302 left end is fixed with clamp plate 303 through cover half 1, the one shot forming of tire is accomplished in the flexible control shaping of shaping spacer bush 3, the left hub seat 102 outside has seted up the push pedal groove 112, during shaping spacer bush 3, annular push pedal 301 and push pedal groove 112 avoid retrieving surface flaw to appear.

As shown in fig. 1, four corners of one side of a fixed die 1, which is close to a movable die 2, are respectively provided with a limiting boss 103, limiting rods 4 are fixedly connected to the four limiting bosses 103, the left ends of the four limiting rods 4 are respectively in interference fit with four limiting holes 202, the interference fit means that the tolerance zone of the holes is under the tolerance zone of a shaft, the holes are expanded and deformed by using elasticity of materials to be sleeved on the shaft, and the fixed die is characterized by simple structure, good centering performance and high bearing capacity, the movable die 2 is slidably mounted on the limiting rods 4, limiting sleeves 401 are respectively mounted on the right sides of the four limiting rods 4, and the limiting sleeves 401 prevent the stop die 2 from sliding out of the limiting rods 4 so as to avoid damage to the die.

As shown in fig. 2 and fig. 4, four corners of one side of the movable mold 2, which is close to the fixed mold 1, are respectively provided with a limiting groove 201, four limiting grooves 201 are respectively provided with limiting holes 202, the limiting grooves 201 are matched with limiting convex seats 103, the dislocation of the movable mold 2 is prevented from affecting the injection molding quality, a right mold cavity 203 is provided on one side of the movable mold 2, which is close to the fixed mold 1, the center of the right mold cavity 203 is provided with a right hub seat 204, the center of the right hub seat 204 is provided with a bearing seat 7, the right side of the movable mold 2 is fixedly connected with a bottom plate 5, the main function of the bottom plate is to provide enough rigidity and stability, protect the movable mold 2, prevent the movable mold 2 from being deformed under stress during mold assembly, affect the injection molding quality, the bottom plate 5 is slidably mounted on four limiting rods 4, an electric cylinder 6 is fixedly mounted on the right side surface of the bottom plate 5, the electric cylinder 6 pushes the bottom plate 5 to complete mold assembly, and the bottom plate 5 is retracted after the injection molding is completed and the tire finished product is conveniently taken out after cooling.

As shown in fig. 1 to 4, four corners of the left side surface of the fixed mold 1 are respectively provided with a fixing groove 104, the centers of the four fixing grooves 104 are respectively provided with a threaded hole 105, the fixing grooves 104 and the threaded holes 105 are convenient for stably fixing the fixed mold 1 on an injection molding die clamping mechanism, the outer side of a right mold cavity is provided with an exhaust groove 111, when injection molding is performed, the exhaust groove 111 is convenient for exhausting air in the mold cavity, the injection molding quality is prevented from being influenced by air in the cavity, the top surface of the fixed mold 1 is provided with a first material injection port 106 and a second material injection port 107, the first material injection port 106 is communicated with the inside of the molding separation sleeve 3, and the injection molding is performed to form a hub.

As shown in fig. 2, a sealing ring 208 is arranged on the outer side of the left die cavity, the sealing ring 208 helps to isolate the die cavity from the outside when the die is closed, molten injection molding materials are prevented from overflowing, a vacuumizing port 209 is formed in the top surface of the movable die 2, the vacuumizing port 209 is connected with a vacuumizing machine, and the air bubbles in the formed tire are reduced while the injection molding is performed, so that the quality of the injection molded tire is improved

In the working process of embodiment 1, the left side of the fixed die 1 is fixed on an injection molding machine, a bearing is placed on a bearing seat 7, a movable die 2 is pushed leftwards through an electric cylinder 6, the fixed die 1 and the movable die 2 are clamped to form a complete injection molding cavity, then a molding blocking sleeve 3 is pushed rightwards to be matched with the movable die 2 to form a hub injection molding cavity, hub molding materials are injected into the cavity from a first material injection port 106, simultaneously a vacuumizing machine is used for exhausting outwards, after injection molding is completed, the molding blocking sleeve 3 is pulled leftwards, an annular push plate 301 is matched with a push plate groove 112, a tire skin injection molding material is injected into the cavity through a second material injection port 107, simultaneously the vacuumizing machine is used for exhausting outwards, after the tire skin is molded completely, the movable die 2 is pulled rightwards through the electric cylinder 6, the mold is opened, simultaneously the molding blocking sleeve is pushed rightwards, and the tire after the injection molding is completed is demolded.

Example 2

Embodiment 2 on the basis of embodiment 1, as shown in fig. 1 to 3, the front of the fixed mold 1 is provided with a first water inlet 108 and a first water outlet 109, cooling water flows in from the first water inlet 108 after injection molding is completed, the first water outlet 109 flows out, a left water cooling pipe 110 is arranged at a position, far away from the left mold cavity 101, in the fixed mold 1, a second water inlet 205 and a second water outlet 206 are arranged at the front of the movable mold 2, a right water cooling pipe 207 is arranged at a position, far away from the right mold cavity 203, in the movable mold 2, cooling water flows in from the second water inlet 205 after injection molding is completed, the second water outlet 206 flows out, heat of an injection molded part is rapidly taken away to complete cooling, the quality of an injection molded tire is improved, and the production efficiency is improved.

When embodiment 2 works, after the first injection molding is completed and the hub is formed, cooling water enters the left water cooling pipe 110 from the first water inlet 108, is discharged 1 from the first water outlet 109, takes away the heat of the fixed mold 1, enters the right water cooling pipe 207 from the second water inlet 205, is discharged from the second water outlet 206, takes away the heat of the movable mold 2, and enables the hub to be rapidly cooled and molded, and likewise, after the injection molding of the tire skin is completed, cooling water is introduced to assist in rapid cooling and molding of the injection molded tire, and the shrinkage rate of the injection molded part can be effectively reduced by rapidly taking away the heat of the injection molded part through water cooling, so that the molding period is shortened.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A one-time forming die for processing a baby carrier tire comprises a fixed die (1) and a movable die (2), and is characterized in that the fixed die (1) is close to a left die cavity (101) formed in one side of the movable die (2), a left hub seat (102) is arranged in the center of the left die cavity (101), a forming isolation sleeve (3) is sleeved outside the left hub seat (102), the fixed die (1) is close to four corners on one side of the movable die (2) and is provided with limiting convex seats (103), four limiting convex seats (103) are fixedly connected with limiting rods (4), the movable die (2) is slidably mounted on the limiting rods (4), the movable die (2) is close to four corners on one side of the fixed die (1) and is provided with limiting grooves (201), limiting holes (202) are formed in the four limiting grooves (201), a right die cavity (203) is formed in one side of the movable die (2) close to the fixed die (1), a right hub seat (204) is arranged in the center of the right die cavity (203), and the movable die (2) is fixedly connected with a right base plate (5), and the right base plate (5) is fixedly mounted on the right base plate (5).

2. The one-time forming die for processing the baby tire according to claim 1, wherein an annular push plate (301) is arranged at the right end of the forming blocking sleeve (3), four sliding sheets (302) are circumferentially arranged at the left end of the forming blocking sleeve (3), and a pressing plate (303) is fixed at the left end of each sliding sheet (302) through the fixed die (1).

3. The one-time forming die for processing the baby tire according to claim 1, wherein the left ends of the four limiting rods (4) are in interference fit with the four limiting holes (202), and limiting sleeves (401) are arranged on the right sides of the four limiting rods (4).

4. The one-time forming die for processing the baby tire according to claim 1, wherein fixing grooves (104) are formed in four corners of the left side face of the fixed die (1), threaded holes (105) are formed in the centers of the four fixing grooves (104), a first material injection port (106) and a second material injection port (107) are formed in the top face of the fixed die (1), a first water inlet (108) and a first water outlet (109) are formed in the front face of the fixed die (1), and a left water cooling pipe (110) is arranged in a position, far away from a left die cavity (101), in the fixed die (1).

5. The one-time forming die for processing the baby tire according to claim 1, wherein the top surface of the movable die (2) is provided with a vacuumizing port (209), the front surface of the movable die (2) is provided with a second water inlet (205) and a second water outlet (206), and a right water cooling pipe (207) is arranged at a position, far away from a right die cavity (203), in the movable die (2).

6. The one-time molding die for processing baby tire according to claim 1, wherein the left cavity (101) is provided with an exhaust channel (111) at the outer side, and the right cavity (203) is provided with a sealing ring (208) at the outer side.

7. The one-time forming die for processing the baby tire according to claim 1, wherein a push plate groove (112) is formed in the outer side of the left hub seat (102), and bearing seats (7) are arranged in the centers of the left hub seat (102) and the right hub seat (204).