CN219727024U - Injection mold for plastic component of water purifier - Google Patents

Abstract

The utility model discloses an injection mold of a plastic component of a water purifier, which comprises an upper mold and a lower mold, wherein the upper mold and the lower mold enclose at least one injection molding accommodating cavity; the first side forming assembly comprises a first side forming die; the first side forming die comprises first forming heads which are symmetrically arranged; a second side forming assembly including a second side forming die; the second side forming die comprises second forming heads which are symmetrically arranged; the first side forming assembly and the second side forming assembly are respectively arranged at the side of the injection molding cavity, and in the process that the upper die moves back and forth to the lower die, the first side forming die and the second side forming die are driven to synchronously move in or out of the injection molding cavity, after the upper die and the lower die are mutually pressed, the first forming head and the second forming head enter the injection molding accommodating cavity, and the recess and the groove of the water purifier plastic assembly are formed.

Description

Injection mold for plastic component of water purifier

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold for a plastic component of a water purifier.

Background

As shown in fig. 10-12, the plastic component 40 for water purifier is produced by injection molding, which comprises a cylindrical body 41, wherein a circular boss 42 extending radially to the cylindrical surface of the cylindrical body 41 is arranged in the middle of the cylindrical body 41, a notch is arranged on the boss 42, two recesses 43 are arranged on the cylindrical body 41 at the notch, and symmetrically arranged grooves 411 are arranged near the lower end of the cylindrical body 41. The plastic component 40 of the water purifier needs to be integrally injection molded, for the traditional injection mold, a split structure is often adopted, the upper mold and the lower mold enclose an injection molding accommodating cavity, the structural characteristics of the columnar body 41 and the boss 42 are easy to obtain, but the molding of the recess 43 and the groove 411 becomes difficult; for this reason, it is necessary to develop an injection mold capable of solving the molding problem of the recess 43 and the groove 411.

Disclosure of Invention

The utility model aims to provide an injection mold for a plastic component of a water purifier, which solves the problem of integral injection molding of a concave and a groove.

In order to solve the technical problems, the aim of the utility model is realized as follows:

an injection mold for a plastic component of a water purifier, an upper mold and a lower mold, wherein the upper mold and the lower mold enclose at least one injection molding accommodating cavity; and also comprises

A first side forming assembly including a first side forming die; the first side forming die comprises first forming heads which are symmetrically arranged;

a second side forming assembly including a second side forming die; the second side forming die comprises second forming heads which are symmetrically arranged;

the first side forming assembly and the second side forming assembly are respectively arranged at the side of the injection molding accommodating cavity, and the first side forming die and the second side forming die are driven to synchronously move into or out of the injection molding accommodating cavity in the process that the upper die moves to the lower die in a reciprocating manner.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the first side forming assembly comprises a first upper guide block and a first lower guide block; the first upper guide block is fixedly arranged on an upper die of the injection die; the first lower guide block is movably arranged on a lower die of the injection die; the first lower guide block is positioned below the first upper guide block, and a first upper guide inclined plane and a first lower guide inclined plane are respectively arranged on opposite sides of the first upper guide block and the first lower guide block; the first side forming die is fixedly arranged on the first lower guide block and is away from the side where the first lower guide inclined plane is located.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the first reset assembly drives the first lower guide block to return to the initial position after the external force applied to the first lower guide block is eliminated.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the first reset component comprises a first pressure spring; and when the first lower guide block receives the acting force of the first upper guide block and moves towards the direction of the injection molding accommodating cavity, the first pressure spring is compressed.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the injection molding device comprises an injection molding accommodating cavity, a first guide assembly, a second guide assembly and a first guide assembly, wherein the first guide assembly comprises a first guide rod and a first guide hole formed in the first lower guide block, the first guide rod is positioned right above the first guide hole, the first guide rod is fixedly arranged on the upper mold, and the upper end of the first guide rod is inclined towards the side where the injection molding accommodating cavity is located; the upper die drives the first upper guide block to move downwards and drives the first guide rod to move downwards synchronously, so that the lower end of the first guide rod is inserted into the first guide hole.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the second side forming assembly comprises a second upper guide block and a second lower guide block; the second upper guide block is fixedly arranged on an upper die of the injection die; the second lower guide block is movably arranged on a lower die of the injection die; the second lower guide block is positioned below the second upper guide block, and a second upper guide inclined plane and a second lower guide inclined plane are respectively arranged on opposite sides of the second upper guide block and the second lower guide block; the second side forming die is fixedly arranged on the second lower guide block and is away from the side where the second lower guide inclined plane is located.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the second reset assembly drives the second lower guide block to return to the initial position after the external force acting on the second lower guide block is eliminated.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the second guide assembly comprises a second guide rod and a second guide hole formed in the second lower guide block, the second guide rod is located right above the second guide hole, the second guide rod is fixedly arranged on the upper die, and the upper end of the second guide rod is inclined to the side where the injection molding accommodating cavity is located; the upper die drives the second upper guide block to move downwards and drives the second guide rod to move downwards synchronously, so that the lower end of the second guide rod is inserted into the second guide hole.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the second forming head is detachably and fixedly arranged on the second lower guide block.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the two sides of the second upper guide block are symmetrically provided with second upper guide inclined planes; the second lower guide block is symmetrically arranged on the side where the second upper guide inclined plane is located, and the first lower guide inclined plane can be in contact with the second upper guide inclined plane.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects: through the setting of first side shaping subassembly and second shaping subassembly, after the mutual pressfitting of upper and lower mould for first shaping head and second shaping head enter into the holding intracavity of moulding plastics, realize water purifier plastic component's recess and take shape, and when upper and lower mould is opened, make first shaping head and second shaping head shift out from the holding intracavity of moulding plastics, thereby do benefit to water purifier plastic component and shift out from the holding intracavity drawing of patterns of moulding plastics.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front elevational view of the overall structure of the present utility model;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of the distribution of the first side forming assemblies and the second side forming assemblies;

FIG. 5 is a schematic perspective view of a first side forming assembly and a second side forming assembly;

FIG. 6 is a top view of the first side forming assembly and the second side forming assembly;

FIG. 7 is a sectional view B-B in FIG. 6;

FIG. 8 is a schematic perspective view of a second side molding assembly according to the second embodiment;

FIG. 9 is a schematic view showing the internal structure of a second side molding assembly according to the second embodiment;

FIG. 10 is a perspective view of the plastic component of the water purifier;

FIG. 11 is another perspective view of the plastic component structure of the water purifier;

fig. 12 is a schematic diagram of a groove structure of a plastic component of the water purifier.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the examples given, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of the utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Example 1

Referring to fig. 10-12, a specific structure of a plastic component 40 of a water purifier is shown, which comprises a cylindrical body 41, a whole-ring boss 42 extending radially to the cylindrical surface of the cylindrical body 41 is arranged in the middle of the cylindrical body 41, a notch is arranged on the boss 42, two concave recesses 43 are arranged on the cylindrical body 41 at the notch, and symmetrical grooves 411 are arranged near the lower end of the cylindrical body 41.

1-9, an injection mold for a plastic component of a water purifier is disclosed, wherein an upper mold 11 and a lower mold 12 enclose at least one injection molding accommodating cavity a; it should be noted that, the technician performs an adaptive design on the upper and lower molds according to the upper and lower surface features of the plastic component of the water purifier, so that the upper and lower molds form an injection molding accommodating cavity a after being buckled, so that the upper and lower surfaces of the injection molding accommodating cavity a can be obtained during the injection molding process, and meanwhile, the injection molding device also comprises a necessary injection molding fluid channel, such as an injection molding interface 14 shown in fig. 1-2, and the injection molding fluid channel inside the mold is communicated through the injection molding interface 14, so that injection molding fluid can enter the injection molding accommodating cavity a; of course, the injection molding machine also comprises a necessary cooling component, such as a cooling medium interface 13 shown in fig. 1-2, and cooling water is introduced into the mold through the cooling medium interface 13, so that after injection molding is finished, the mold is rapidly cooled, and the injection molding piece is cooled and shaped. The first side forming assembly 20 and the second side forming assembly 30 are respectively disposed at sides of the injection molding accommodating cavity a, and drive the first side forming mold 24 and the second side forming mold 34 to synchronously move in or out of the injection molding accommodating cavity a in the process that the upper mold 11 reciprocates towards the lower mold 12.

Specifically, the first side forming assembly 20 includes a first upper guide block 21, a first lower guide block 22, and a first side forming die 24; the first side molding die 24 includes symmetrically arranged first molding heads 241; the first upper guide block 21 is fixedly arranged on the upper die 11 of the injection die; the first lower guide block 22 is movably arranged on the lower die 12 of the injection die; the first lower guide block 22 is located below the first upper guide block 21, and the first upper guide block 21 and the first lower guide block 22 are provided with a first upper guide slope 211 and a first lower guide slope 221 at opposite sides thereof, respectively; the first side forming die 24 is fixedly arranged on the first lower guide block 22 and is away from the side of the first lower guide inclined surface 221. The specific working principle is as follows: the upper mold 11 is driven by the injection molding machine to move downwards together with the upper first upper guide block 21, and the first upper guide inclined surface 211 of the first upper guide block is contacted with the first lower guide inclined surface 221 on the first lower guide block 22, so that the first side molding mold 24 is driven to enter the injection molding accommodating cavity a through the guiding of the inclined surface, and then the structural characteristics of the concave 43 are formed in the injection molding process, so that the concave 42 of the injection molding part is molded. Considering that when the injection molding is finished and the demolding is finished, the injection molding is required to be taken out from the openings of the upper die and the lower die along the die opening direction, but if the first molding head 241 cannot timely withdraw the injection molding accommodating cavity a, the problem that the injection molding piece cannot be taken out can be caused, but if a set of pneumatic, electric and other actuating mechanisms are additionally arranged to drive the first molding head 241 to move out, the control complexity is increased, and the die cost is increased; for this reason, the present embodiment preferably further includes a first reset component 25, where the first reset component 25 drives the first lower guide block 22 to return to the initial position after the external force applied to the first lower guide block 22 is removed. Preferably, the first reset assembly 25 comprises a first compression spring; specifically, the first lower guide block 22 is provided with a concave hole for receiving the first pressure spring, the first pressure spring is only partially embedded into the concave hole, and is partially exposed out of the concave hole, the end of the first pressure spring contacts with the lower die core 15 in the lower die 12, and the lower die core 15 is fixed in the lower die 12, so that when the first lower guide block 22 drives the first side forming die 24 to move into the injection molding accommodating cavity a, the first pressure spring is compressed. Therefore, when the upper die and the lower die are opened, the first upper guide block 21 moves upwards to release the restriction on the first lower guide block 22, the first pressure spring starts to stretch from a compressed state, and the first lower guide block 22 is pushed to the outside of the injection molding accommodating cavity a through elastic force, so that the injection molding part is rapidly demolded. In addition, the injection molding device further comprises a first guide assembly, wherein the first guide assembly comprises a first guide rod 23 and a first guide hole 222 formed in the first lower guide block 22, the first guide rod 23 is positioned right above the first guide hole 222, the first guide rod 23 is fixedly arranged on the upper die 11, and the upper end of the first guide rod is inclined towards the side where the injection molding accommodating cavity a is located; the upper die 11 drives the first upper guide block 21 to move downward, and drives the first guide rod 23 to move downward synchronously, so that the lower end of the first guide rod 23 is inserted into the first guide hole 222. Specifically, the first guide rod 23 is inserted into the first guide hole 222 before the first upper guide slope 211 contacts with the first lower guide slope 221, so as to guide the first lower guide block 22, thereby enabling the first upper guide slope 211 to contact with the first upper guide slope 221 more smoothly and enabling the first lower guide block 22 to move more smoothly. Further preferably, the lower end of the first guide rod 23 remains inserted into the first guide hole 222 when the upper die 11 and the lower die 12 are separated to the maximum position. And preferably the lower end surface of the first guide rod 23 is spherical. Through setting up first guide arm 23 and remain all the time in first guide hole 222, the injection molding shaping of each size range of adaptation that this structure can be better is processed for first side forming die can be quick, smooth and easy response, avoids leading unsmoothly to lead to the jam problem.

The second side forming assembly 30 includes a second upper guide block 31, a second lower guide block 32, and a second side forming die 34, the second side forming die 34 including symmetrically disposed second forming heads 341; specifically, the second side molding assembly 30 includes a second upper guide block 31 and a second lower guide block 32; the second upper guide block 31 is fixedly arranged on the upper die 11 of the injection die; the second lower guide block 32 is movably arranged on the lower die 12 of the injection die; the second lower guide block 32 is located below the second upper guide block 31, and the second upper guide block 31 and the second lower guide block 32 are provided with a second upper guide slope 311 and a second lower guide slope 321 at opposite sides thereof, respectively; the second side forming mold 34 is fixedly arranged on the second lower guide block 32 and is away from the side of the second lower guide inclined surface 321. Further, the second reset assembly 35 is further included, and the second reset assembly 35 drives the second lower guide block 32 to return to the initial position after the external force acting on the second lower guide block 32 is eliminated. Of course, the injection molding device further comprises a second guide assembly, which comprises a second guide rod 33 and a second guide hole 322 arranged on the second lower guide block 32, wherein the second guide rod 33 is positioned right above the second guide hole 322, the second guide rod 33 is fixedly arranged on the upper die 11, and the upper end of the second guide rod is inclined to the side where the injection molding accommodating cavity a is positioned; the upper mold 11 drives the second upper guide block 31 to move down, and drives the second guide rod 33 to move down synchronously, so that the lower end of the second guide rod 33 is inserted into the second guide hole 322. The specific operation principle is the same as that of the first side molding assembly 30, and will not be described here again. Further, as shown in fig. 8, in this embodiment, it is preferable that a clamping groove is formed at a connection end of the second lower guide block 32 and the second molding head 341, and the second molding head 341 is detachably fixed in the clamping groove of the second lower guide block 32 through a bolt.

Of course, it should be noted that the first lower guide block 22 and the second lower guide block 32 are each provided with a guide rail assembly necessary to keep the first lower guide block 22 and the second lower guide block 32 capable of reciprocating only in the horizontal direction. For example, in fig. 5, a boss 223 extends out of the edge of the first lower guide block 22, a chute (not shown in the drawing) is arranged at the bottom, a limiting block 26 is arranged above the boss 223, the upper surface of the boss 223 is in sliding contact with the lower surface of the limiting block 26, a fixed guide block (not shown in the drawing) is received in the chute, and the fixed guide block is in sliding contact with the chute, so that the degree of freedom that the first lower guide block 22 can only horizontally reciprocate in one direction is realized through the arrangement of the limiting block and the fixed guide block, the forming precision is ensured, and the running stability is improved.

Example two

The die is internally provided with 8 injection molding accommodating cavities a. Referring to fig. 3-4 in detail, there is shown a schematic view of the distribution positions of the first side molding assembly 20 and the second side molding assembly 30 inside the mold, wherein each two adjacent first side molding assemblies 20 and second side molding assemblies 30 correspond to one injection molding accommodating cavity a; in order to save space, in this embodiment, the second upper guide inclined surfaces 311 'are preferably symmetrically disposed on both sides of the second upper guide blocks 31' in the adjacent two second side forming assemblies 30; the second lower guide block 32 is symmetrically disposed on the side of the second upper guide inclined surface 311', and the second lower guide inclined surface 321 may contact with the second upper guide inclined surface 311', so that the two second side forming assemblies share one second upper guide block 31'. Thereby, the structure is simplified and the volume of the die is reduced.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. An injection mold for a plastic component of a water purifier, which comprises an upper mold (11) and a lower mold (12), wherein the upper mold (11) and the lower mold (12) enclose at least one injection molding accommodating cavity (a); the method is characterized in that: and also comprises

A first side forming assembly (20) including a first side forming die (24); the first side forming die (24) comprises first forming heads (241) which are symmetrically arranged;

a second side forming assembly (30) comprising a second side forming die (34); the second side forming die (34) comprises second forming heads (341) which are symmetrically arranged;

the first side forming assembly (20) and the second side forming assembly (30) are respectively arranged at the side of the injection molding accommodating cavity (a), and the first side forming die (24) and the second side forming die (34) are driven to synchronously move in or out of the injection molding accommodating cavity (a) in the process that the upper die (11) moves to the lower die (12) in a reciprocating manner.

2. The water purifier plastic component injection mold of claim 1, wherein: the first side forming assembly (20) comprises a first upper guide block (21) and a first lower guide block (22); the first upper guide block (21) is fixedly arranged on an upper die (11) of the injection die; the first lower guide block (22) is movably arranged on a lower die (12) of the injection die; the first lower guide block (22) is positioned below the first upper guide block (21), and the first upper guide block (21) and the first lower guide block (22) are respectively provided with a first upper guide inclined plane (211) and a first lower guide inclined plane (221) at opposite sides thereof; the first side forming die (24) is fixedly arranged on the first lower guide block (22) and is away from the side where the first lower guide inclined plane (221) is located.

3. The water purifier plastic component injection mold of claim 2, wherein: the device further comprises a first reset component (25), wherein the first reset component (25) drives the first lower guide block (22) to return to the initial position after the external force applied to the first lower guide block (22) is eliminated.

4. A water purifier plastic component injection mold as recited in claim 3, wherein: the first reset assembly (25) comprises a first compression spring; when the first lower guide block (22) receives the acting force of the first upper guide block (21) and moves towards the direction of the injection molding accommodating cavity (a), the first pressure spring is compressed.

5. The water purifier plastic component injection mold of claim 2, wherein: the injection molding device further comprises a first guide assembly, wherein the first guide assembly comprises a first guide rod (23) and a first guide hole (222) formed in the first lower guide block (22), the first guide rod (23) is positioned right above the first guide hole (222), the first guide rod (23) is fixedly arranged on the upper die (11) and the upper end of the first guide rod is inclined towards the side where the injection molding accommodating cavity (a) is located; the upper die (11) drives the first upper guide block (21) to move downwards and drives the first guide rod (23) to move downwards synchronously, so that the lower end of the first guide rod (23) is inserted into the first guide hole (222).

6. The water purifier plastic component injection mold of claim 1, wherein: the second side forming assembly (30) comprises a second upper guide block (31) and a second lower guide block (32); the second upper guide block (31) is fixedly arranged on an upper die (11) of the injection die; the second lower guide block (32) is movably arranged on a lower die (12) of the injection die; the second lower guide block (32) is positioned below the second upper guide block (31), and the second upper guide block (31) and the second lower guide block (32) are respectively provided with a second upper guide inclined plane (311) and a second lower guide inclined plane (321) at opposite sides thereof; the second side forming die (34) is fixedly arranged on the second lower guide block (32) and is away from the side where the second lower guide inclined plane (321) is located.

7. The water purifier plastic component injection mold of claim 6, wherein: the device further comprises a second reset assembly (35), wherein the second reset assembly (35) drives the second lower guide block (32) to return to the initial position after external force acting on the second lower guide block (32) is eliminated.

8. The water purifier plastic component injection mold of claim 7, wherein: the second guide assembly comprises a second guide rod (33) and a second guide hole (322) formed in the second lower guide block (32), the second guide rod (33) is positioned right above the second guide hole (322), the second guide rod (33) is fixedly arranged on the upper die (11) and the upper end of the second guide rod is inclined towards the side where the injection molding accommodating cavity (a) is located; the upper die (11) drives the second upper guide block (31) to move downwards and drives the second guide rod (33) to move downwards synchronously, so that the lower end of the second guide rod (33) is inserted into the second guide hole (322).

9. The water purifier plastic component injection mold of claim 8, wherein: the second forming head (341) is detachably and fixedly arranged on the second lower guide block (32).

10. The water purifier plastic component injection mold of claim 6, wherein: the two sides of the second upper guide block (31) are symmetrically provided with second upper guide inclined planes (311); the second lower guide block (32) is symmetrically arranged on the side where the second upper guide inclined plane (311) is located, and the second lower guide inclined plane (321) can be in contact with the second upper guide inclined plane (311).