CN211279557U

CN211279557U - Plastic mould with adjustable runner

Info

Publication number: CN211279557U
Application number: CN201922198671.4U
Authority: CN
Inventors: 叶茂茹; 黄林祥
Original assignee: Shenzhen Jindesheng Technology Co ltd
Current assignee: Shenzhen Jindesheng Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-18
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a plastic mould with adjustable flow passage, which comprises a base, a lower die holder, an upper die holder, a top seat, a thimble mechanism and an adjusting mechanism, wherein the lower die holder is fixedly arranged at the upper end of the base, the upper die holder is placed on the upper end surface of the lower die holder, the top seat is fixedly arranged on the upper end surface of the upper die holder, the thimble mechanism is fixedly arranged at the central position of the upper end surface of the base, the adjusting mechanism is arranged in the upper die holder, a first groove is arranged at the central position of the bottom surface of the lower die holder, a second groove is arranged at the central position of the upper end surface of the lower die holder, the top of the upper groove of the first groove is communicated with the bottom of the lower groove of the second groove through a channel, a fixed round block with an upper hole and a lower hole is arranged in a pouring gate of an injection mould, a movable round block which can be adjusted in a sliding way, the flow velocity of the plastic pulp cannot be uneven, and the situations of pulp flying and incomplete products cannot occur.

Description

Plastic mould with adjustable runner

Technical Field

The utility model relates to a plastic mould, in particular to plastic mould of adjustable runner belongs to plastic mould technical field.

Background

The plastic mold mainly comprises a female mold with a variable mold cavity and composed of a female mold combined substrate, a female mold component and a female mold combined clamping plate, and a male mold with a variable mold core and composed of a male mold combined substrate, a male mold component, a male mold combined clamping plate, a mold cavity cut-off component and a side cut-off combined plate. And the coordination change of the male die, the female die and the auxiliary forming system of the die. Can process series plastic parts with different shapes and sizes.

The bore can not be adjusted to traditional plastic mould's runner, and plastic mould's preparation is single, can not be according to the velocity of flow that the thick liquid was moulded in the preparation requirement adjustment of difference, has appeared the plastic mould that can adjust the runner velocity of flow in the existing market, but the runner velocity of flow regulation speed of this kind of mould is fast, causes easily that the thick liquid velocity of flow is inhomogeneous to and fly thick liquid and the incomplete condition of product to appear, need design the plastic mould of an adjustable runner to this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic mould of adjustable runner to the runner velocity of flow regulation speed of this kind of mould that provides in solving above-mentioned background art is fast, causes easily that the thick liquid velocity of flow is inhomogeneous, appears flying the problem that thick liquid and the incomplete condition of product appear.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a plastic mould of adjustable runner, includes base, die holder, upper die base, footstock, thimble mechanism and adjustment mechanism, base upper end fixed mounting has the die holder, the upper die base has been placed to the die holder up end, upper die base up end fixed mounting has the footstock, base up end central point puts fixed mounting has thimble mechanism, be provided with adjustment mechanism in the upper die base, adjustment mechanism includes fixed disk, fixed disk below is provided with the slip disk, the upper and lower terminal surface of fixed disk and slip disk all runs through the discharge orifice of seting up a plurality of specifications unanimity and counterpoint the distribution, the perpendicular fixedly connected with shifting shaft in slip disk one side.

As a preferred technical scheme of the utility model, die holder bottom surface central point puts and has seted up the first groove, die holder up end central point puts and has seted up the second groove, through the passageway intercommunication between the tank bottom under first groove upper trough top and the second groove, four spacing grooves, four have been seted up to the die holder up end the spacing groove specification is unanimous and is the rectangular array distribution each other.

As a preferred technical scheme of the utility model, the perpendicular fixed mounting of terminal surface has four spacing posts, four under the upper die base spacing post sets up with four spacing groove looks adaptations and position respectively relatively, terminal surface central point puts fixed mounting has the terrace die under the upper die base, form the die cavity between terrace die and the second groove, the runner has been seted up to the upper die base lower bottom, runner and die cavity intercommunication set up, the runner has been seted up to upper die base up end central point puts, the runner sets up with the runner intercommunication, the slot has been seted up to the inside wall of runner, the bar groove has been seted up to upper die base one side, upper die base one side is provided with the mark code, the mark code sets up the top at the bar groove.

As a preferred technical scheme of the utility model, the central point of terminal surface puts to run through and has seted up the entry about the footstock, entry and runner intercommunication set up.

As a preferred technical scheme of the utility model, thimble mechanism includes a worm gear section of thick bamboo, worm gear section of thick bamboo fixed mounting puts at base up end central point, rotate in the worm gear section of thick bamboo inner chamber and install the worm wheel, worm wheel central point puts threaded connection and has the thimble, the meshing of worm wheel one side is connected with the meshing axle, the perpendicular fixedly connected with connecting axle of meshing axle one end, connecting axle one side fixed mounting has the crank, the crank sets up in die holder one side.

As an optimal technical scheme of the utility model, slip circle piece slidable mounting is in the runner of upper die base, the shifting shaft is kept away from slip circle piece one end and is extended to the bar type inslot, the relative just looks adaptation design of slip circle piece and slot position.

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

the utility model discloses be provided with the fixed disk of trompil from top to bottom in injection mold's runner to be provided with the removal disk that can slide adjusting in the below of fixed disk, through the effective coincidence area of two disks, adjust the throughput in total discharge orifice, and then the circulation speed of the thick liquid is moulded plastics in slow regulation, can not cause and mould thick liquid velocity of flow inhomogeneous, also can not appear flying thick liquid and the incomplete condition of product.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic structural view of the thimble mechanism of the present invention;

fig. 4 is a schematic view of the mounting structure of the adjusting mechanism of the present invention.

In the figure: 1. a base; 2. a lower die holder; 3. an upper die holder; 4. a top seat; 5. a thimble mechanism; 6. an adjustment mechanism; 21. a first groove; 22. a second groove; 23. a channel; 24. a limiting groove; 31. a limiting column; 32. A male die; 33. a flow channel; 34. a gate; 35. a slot; 36. a strip-shaped groove; 37. marking codes; 41. an inlet; 51. a worm-gear cylinder; 52. a worm gear; 53. a thimble; 54. a meshing shaft; 55. a connecting shaft; 56. a crank; 61. fixing the round block; 62. sliding the round block; 63. a shifting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides a plastic mould of adjustable runner, including base 1, die holder 2,

upper die base

3, 4 thimble mechanisms 5 of footstock and

adjustment mechanism

6, 1 upper end fixed mounting of base has die holder 2, upper die base 3 has been placed to 2 up ends of die holder, 3 up ends fixed mounting of upper die base has

footstock

4, 1 up ends central point of base puts fixed mounting of thimble mechanism 5, be provided with adjustment mechanism 6 in the upper die base 3, adjustment mechanism 6 includes fixed round block 61, fixed round block 61 below is provided with slip round block 62, the upper and lower terminal surface of fixed round block 61 and slip round block 62 all runs through the discharge orifice of seting up a plurality of specifications unanimity and counterpoint the distribution, slip round block 62 one side perpendicular fixedly connected with shifting shaft 63.

Wherein, the first groove 21 has been seted up to lower bolster 2 bottom surface central point and has been put, and second groove 22 has been seted up to lower bolster 2 up end central point, and through passageway 23 intercommunication between the first groove 21 upper trough top and the second groove 22 lower trough bottom, four spacing grooves 24 have been seted up to lower bolster 2 up end, and four spacing grooves 24 specifications are unanimous and are the rectangular array distribution each other.

The lower end face of the upper die base 3 is vertically and fixedly provided with four limiting columns 31, the four limiting columns 31 are respectively matched with the four limiting grooves 24 and are arranged oppositely, the central position of the lower end face of the upper die base 3 is fixedly provided with a male die 32, a die cavity is formed between the male die 32 and the second groove 22, a runner 33 is arranged at the lower bottom of the upper die base 3, the runner 33 is communicated with the die cavity, a pouring gate 34 is arranged at the central position of the upper end face of the upper die base 3, the pouring gate 34 is communicated with the runner 33, a slot 35 is formed in the inner side wall of the pouring gate 34, a bar groove 36 is formed in one side of the upper die base 3, one side of the upper die base 3 is provided with a mark 37, the mark 37 is arranged above the bar groove 36.

Wherein, the central position of the upper and lower terminal surface of the footstock 4 is provided with an inlet 41 in a penetrating way, and the inlet 41 is communicated with the sprue 34 to ensure the smooth flow path.

Wherein, thimble mechanism 5 includes worm-gear section of thick bamboo 51, worm-gear section of thick bamboo 51 fixed mounting is put at base 1 up end central point, rotate in the worm-gear section of thick bamboo 51 inner chamber and install worm wheel 52, worm wheel 52 central point threaded connection has thimble 53, thimble 53 and runner 33 looks adaptation design, guarantee the process of moulding plastics, the die cavity is complete, worm wheel 52 one side meshing is connected with meshing axle 54, meshing axle 54 rotates the installation with worm-gear section of thick bamboo 51, guarantee meshing pivoted stability, the perpendicular fixedly connected with connecting axle 55 of meshing axle 54 one end, connecting axle 55 one side fixed mounting has crank 56, crank 56 sets up in die holder 2 one side.

The sliding round block 62 is slidably mounted in the gate 34 of the upper die holder 3, one end of the shifting shaft 63, which is far away from the sliding round block 62, extends into the strip-shaped groove 36, the sliding round block 62 is opposite to the slot 35 and is designed to be matched with the slot 35, and the strip-shaped groove 36 is designed to be matched with the shifting shaft 63.

Principle of operation

The first step is as follows: firstly, covering and buckling the upper die holder 3 and the base 1 on the lower die holder 2, respectively inserting the four limiting columns 31 into the corresponding limiting grooves 24 to finish positioning, then pouring injection molding slurry into the die cavity through the inlet 41 and the sprue 34, and entering the die cavity through the runner 33 until cooling is finished;

the second step is that: according to the flow rate of the flow channel 33 which is actually required, the toggle shaft 63 is pushed, the sliding round block 62 is further pushed, the relative position between the sliding round block 62 and the fixed round block 61 is changed, then the gap of the main flow hole is changed, and the flow speed of the injection molding slurry is slowly changed;

the third step: after cooling, the upper die base 3 and the base 1 are taken down, then the crank 56 is shaken to drive the connecting shaft 55 and the meshing shaft 54 to rotate, and further drive the worm wheel 52 to rotate, so as to drive the ejector pin 53 to rotate in the internal thread of the channel 23, and the module is ejected out through the ejector pin 53, thereby completing the injection molding operation.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The plastic mold with the adjustable flow passage comprises a base (1), a lower mold seat (2), an upper mold seat (3), a top seat (4), an ejector pin mechanism (5) and an adjusting mechanism (6), and is characterized in that the lower mold seat (2) is fixedly mounted at the upper end of the base (1), the upper mold seat (3) is placed on the upper end surface of the lower mold seat (2), the top seat (4) is fixedly mounted on the upper end surface of the upper mold seat (3), the ejector pin mechanism (5) is fixedly mounted at the central position of the upper end surface of the base (1), the adjusting mechanism (6) is arranged in the upper mold seat (3), the adjusting mechanism (6) comprises a fixed round block (61), a sliding round block (62) is arranged below the fixed round block (61), and the upper end surface and the lower end surface of the fixed round block (61) and the sliding round block (62) are both provided with flow holes which are consistent in, one side of the sliding round block (62) is vertically and fixedly connected with a shifting shaft (63).

2. The runner-adjustable plastic mold of claim 1, wherein: first groove (21) have been seted up to die holder (2) bottom surface central point and have been put, second groove (22) have been seted up to die holder (2) up end central point, communicate through passageway (23) between first groove (21) upper groove top and second groove (22) lower tank bottom, four spacing groove (24), four have been seted up to die holder (2) up end spacing groove (24) specification is unanimous and be the rectangular array distribution each other.

3. The runner-adjustable plastic mold of claim 1, wherein: four limiting columns (31) are vertically and fixedly arranged on the lower end surface of the upper die holder (3), the four limiting columns (31) are respectively matched with the four limiting grooves (24) and are oppositely arranged, a male die (32) is fixedly arranged at the center of the lower end face of the upper die holder (3), a die cavity is formed between the male die (32) and the second groove (22), a runner (33) is arranged at the lower bottom of the upper die holder (3), the runner (33) is communicated with the die cavity, a sprue (34) is arranged at the center of the upper end surface of the upper die holder (3), the sprue (34) is communicated with the runner (33), the inner side wall of the sprue (34) is provided with a slot (35), one side of the upper die holder (3) is provided with a strip-shaped groove (36), one side of the upper die holder (3) is provided with a mark (37), and the mark (37) is arranged above the bar groove (36).

4. The runner-adjustable plastic mold of claim 1, wherein: an inlet (41) is formed in the center of the upper end face and the lower end face of the top seat (4) in a penetrating mode, and the inlet (41) is communicated with the pouring gate (34).

5. The runner-adjustable plastic mold of claim 1, wherein: the thimble mechanism (5) comprises a worm wheel cylinder (51), the worm wheel cylinder (51) is fixedly installed at the center of the upper end face of the base (1), a worm wheel (52) is installed in the inner cavity of the worm wheel cylinder (51) in a rotating mode, a thimble (53) is connected to the center of the worm wheel (52) in a threaded mode, a meshing shaft (54) is connected to one side of the worm wheel (52) in a meshing mode, a connecting shaft (55) is fixedly connected to one end of the meshing shaft (54) in a perpendicular mode, a crank (56) is fixedly installed on one side of the connecting shaft (55), and the crank (56) is arranged on one side of the lower die holder (2).

6. The runner-adjustable plastic mold of claim 1, wherein: the sliding round block (62) is slidably mounted in a gate (34) of the upper die holder (3), one end, far away from the sliding round block (62), of the poking shaft (63) extends into the strip-shaped groove (36), and the sliding round block (62) is opposite to the slot (35) in position and is designed in a matched mode.