Injection molding device with combined splitter plate

Abstract

The utility model discloses an injection molding device with a combined spreader plate, which is characterized in that a first spreader plate is arranged at the lower end of a fixed plate, a first runner hole and a first runner groove communicated with the first runner hole are arranged on the first spreader plate, the first runner hole is communicated with a glue injection nozzle, a second spreader plate is arranged at the upper end of a front mold plate, and a second runner groove communicated with the first runner hole is arranged on the second spreader plate. A second runner groove and a second runner hole communicated with the second runner groove are formed in the upper end of the second splitter plate, a hot nozzle is arranged in the front mold plate, and the connecting piece is arranged on the front mold plate and the fixing plate to connect the front mold plate and the fixing plate so that the second splitter plate and the first splitter plate can abut against each other to form an inner runner. The first splitter plate and the second splitter plate are respectively arranged on the fixed plate and the front mold plate, and after the fixed plate and the front mold plate are separated, the first runner groove and the second runner groove are respectively exposed on the first splitter plate and the second splitter plate, so that an inner runner of the splitter plate is convenient to clean, and material accumulation and blockage can be avoided; the cleaning efficiency and cleaning effect of the runner system are improved, and the injection molding quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding device technical field, especially, it relates to a kind of injection molding device with combined flow distributor. BACKGROUND

[0002] In the hot runner system of mould, flow distributor is generally integrated structure, it is installed on the front mould and other components of mould, for the material delivered by glue nozzle is respectively delivered to each hot nozzle through its inner runner.When more color injection molding needs to replace injection material, or due to the accumulation of injection material in flow distributor causes inner runner blockage (especially the material delivered is thermosetting material more easily solidified in hot runner system), the above conditions need to clean the inner runner of flow distributor, but for integrated structure flow distributor, its cleaning is relatively complex.

[0003] In the prior art, such as the hot runner flow distributor for precise mould injection of application number 202323416820.2, it discloses the second air slot and the first air slot arranged on the upper flow distributor and the lower flow distributor, the upper flow distributor and the lower flow distributor are fixedly connected through corresponding connecting structures to form its inner runner, and such as the hot runner flow distributor for precise mould injection of application number 202321276155.9, it adopts similar structure for disassembly of flow distributor. However, the above prior art sets corresponding connecting structure on flow distributor, on the one hand, it leads to relatively complex structure of flow distributor, on the other hand, when cleaning the inner runner of flow distributor, it needs to have the action and process of disassembling flow distributor on the basis of disassembling front mould, which leads to relatively complex cleaning process and relatively low cleaning efficiency. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of injection molding devices with combined flow distributor, first flow distributor and second flow distributor are respectively arranged on fixed plate and front mould plate, after fixed plate and front mould plate are separated, first flow distributor and second flow distributor can be separated to expose first runner groove and second runner groove respectively, it is convenient to clean the inner runner of flow distributor, can avoid material accumulation blockage, improve the cleaning efficiency and cleaning effect of runner system, ensure injection quality.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows: a kind of injection molding device with combined flow distributor, comprising:

[0006] Fixed plate, its lower end is equipped with first flow distributor, the first flow distributor is equipped with first runner hole, and lower end is equipped with first runner groove being communicated with the first runner hole, the first runner hole is communicated with glue nozzle on the fixed plate,

[0007] A front template, an upper end of which is provided with a second flow distribution plate, an upper end of the second flow distribution plate is provided with a second flow channel groove, and is provided with a second flow channel hole in communication with the second flow channel groove, and the front template is provided with a hot nozzle in communication with the second flow channel hole,

[0008] A connecting piece, which is arranged on the front template and the fixed plate to connect them so that the second flow distribution plate is in abutment with the first flow distribution plate to communicate the second flow channel groove and the first flow channel groove,

[0009] A front die, which is arranged on the front template.

[0010] As a further optimization, the connecting piece includes a locking bolt, which passes through the fixed plate and extends into the front template, and the fixed plate and the front template are fixedly connected by a plurality of bolts.

[0011] As a further optimization, the connecting piece further includes connecting rods, one end of at least two connecting rods is locked to the opposite two side walls of the front template, and the other end is locked to the opposite two side walls of the fixed plate.

[0012] As a further optimization, the first flow distribution plate is locked to the fixed plate, and the second flow distribution plate is locked to the front template, so that rapid assembly can be achieved.

[0013] As a further optimization, the fixed plate and / or the front template is provided with a positioning column, and the first flow distribution plate and / or the second flow distribution plate is provided with a positioning groove, and the positioning column is embedded in the positioning groove.

[0014] As a further optimization, an upper end of the front template is provided with a recess, and the first flow distribution plate and the second flow distribution plate are both embedded in the recess.

[0015] As a further optimization, the front template is provided with a guide column, and the fixed plate is provided with a guide hole, and the guide column is embedded in the guide hole, so that accurate alignment can be achieved when the fixed plate and the front template are installed, and accurate butt joint of the first flow distribution plate and the second flow distribution plate is ensured.

[0016] As a further optimization, the fixed plate and the front template are provided with a guide sleeve in communication.

[0017] As a further optimization, the front template includes an upper layer plate and a lower layer plate which are locked to each other, the second flow distribution plate and the hot nozzle are both arranged on the upper layer plate, the hot nozzle passes through the lower layer plate, and the front die is arranged on the side of the lower layer plate away from the upper layer plate.

[0018] As further optimization, the lower end face of the first flow distribution plate or the upper end face of the second flow distribution plate is provided with an annular groove, and a sealing ring is arranged in the annular groove, so that the sealing performance of the interior is improved, and material flow leakage is avoided.

[0019] As further optimization, heating wires are arranged on the glue injection nozzle, the first flow distribution plate, the second flow distribution plate and the hot nozzle, so that the material can be subjected to heat preservation treatment, the flowability of the material is improved, and the material is prevented from solidifying and blocking the flow channel system.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] 1. The originally integrated flow distribution plate is arranged as a first flow distribution plate and a second flow distribution plate, the first flow distribution plate and the second flow distribution plate form an inner flow channel after abutting against each other, and the first flow distribution plate and the second flow distribution plate are arranged on the fixed plate and the front template respectively, so that the first flow channel groove and the second flow channel groove are exposed after the fixed plate and the front template are separated, the inner flow channel of the flow distribution plate can be cleaned, material accumulation and blockage are avoided, the cleaning efficiency and the cleaning effect of the flow channel system are improved, and the injection molding quality is ensured.

[0022] 2. The fixed plate provided with the first flow distribution plate and the front template provided with the second flow distribution plate are fixedly connected through the connecting piece, stable connection can be realized, and the fixed plate and the front template can be easily separated, so that the fixed plate and the front template can be conveniently disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model is a structural diagram.

[0024] Figure 2 The utility model is a bottom perspective view structural diagram.

[0025] Figure 3 The utility model is a sectional view.

[0026] Figure 4 The utility model is a structure diagram with the first flow distribution plate arranged on the fixed plate.

[0027] Figure 5 The utility model is a structure diagram with the second flow distribution plate arranged on the front template. DETAILED DESCRIPTION

[0028] The following is a specific embodiment of the utility model and a further description of the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0029] The injection molding device with combined flow distribution plate comprises a fixed plate 10, a front mold plate 20, a connecting piece 30 and a front mold core 40, the lower end of the fixed plate 10 is provided with a first flow distribution plate 11, the first flow distribution plate 11 can be locked at the lower end of the fixed plate 10 through a first bolt 12, the first flow distribution plate 11 is provided with a first flow channel hole 111, and the lower end (the end away from the fixed plate 10) is provided with a first flow channel groove 112 which is communicated with the first flow channel hole 111, the first flow channel hole 111 is communicated with a glue injection nozzle 100 on the fixed plate 10, the upper end of the front mold plate 20 is provided with a second flow distribution plate 21, the second flow distribution plate 21 can be locked on the front mold plate 20 through a second bolt 22, the upper end of the front mold plate 20 is provided with the second flow distribution plate 21, the upper end (the end away from the front mold plate 20) of the second flow distribution plate 21 is provided with a second flow channel groove 211, and the second flow channel groove 211 is provided with a second flow channel hole 212 which is communicated with the second flow channel groove 211, the front mold plate 20 is provided with a hot nozzle 200 which is communicated with the second flow channel hole 212, the connecting piece 30 is arranged on the front mold plate 20 and the fixed plate 10 to fix and connect the two, so that the second flow distribution plate 21 is abutted with the first flow distribution plate 11 to communicate the second flow channel groove 211 and the first flow channel groove 112 to form an inner flow channel, and the front mold core 40 is arranged on the front mold plate 20 to form a molding cavity together with a rear mold core on an external rear mold plate.

[0030] The injection molding device and the rear mold plate (rear mold core) are used in cooperation to form a complete injection mold, and a product is injection molded in the molding cavity formed by the two after abutting against each other. In the utility model, the flow distribution plate for material from the glue injection nozzle 100 into the plurality of hot nozzles 200 after distribution is composed of two separable plate bodies, that is, the first flow distribution plate 11 and the second flow distribution plate 21 form an inner flow channel after abutting against each other, and each plate body is formed with a part of the inner flow channel, that is, the first flow channel groove 112 and the second flow channel groove 211, when the fixed plate 10 and the front mold plate 20 are fixed and connected, the communicated first flow channel groove 112 and the second flow channel groove 211 form a complete inner flow channel which is connected in series with the glue injection nozzle 100 and the hot nozzle 200 to form a flow channel system, so that the injection molding device and the rear mold plate (rear mold core) are used in cooperation for injection molding, when a blockage condition occurs in the flow distribution plate, for example, material is accumulated at the corner of the inner flow channel, the fixed plate 10 and the front mold plate 20 can be separated, in this process, the fixed plate 10 drives the first flow distribution plate 11 to separate from the second flow distribution plate 21 on the front mold plate 20, so that the first flow channel groove 112 and the second flow channel groove 211 are exposed respectively, and each flow channel groove, the first flow channel hole 111 and the second flow channel hole 212 can be cleaned, and the above operation can open the flow channel system on the injection molding machine to clean the material in the flow channel, the utility model simplifies the cleaning process through the split structure of the flow distribution plate, and improves the cleaning efficiency and effect of the flow channel system. Moreover, the first flow distribution plate 11 and the second flow distribution plate 21 are respectively installed on the fixed plate 10 and the front mold plate 20 in the form of locking, so that convenient installation can be realized.

[0031] Preferably, the connecting member 30 comprises a locking bolt 31, which extends into the front mold plate 20 from one side of the fixed plate 10 to connect the two to form an injection molding device. The fixed plate 10 and the front mold plate 20 can be conveniently disassembled by locking, so as to realize abutting or disengaging of the first flow distribution plate 11 and the second flow distribution plate 21.

[0032] Further, the connecting member 30 further comprises a connecting rod 321, preferably one end of the two connecting rods 321 is locked to the opposite two side walls of the front mold plate 20 through a third bolt 322, and the other end is locked to the opposite two side walls of the fixed plate 10 through a fourth bolt 323. In addition, a waist hole 3210 can be provided on the connecting rod 321, so that the connecting rod 321 can move relative to the fourth bolt 323 through the waist hole 3210, to ensure that the fixed plate 10 and the front mold plate 20 are tightly and firmly connected at the respective side positions. Preferably, the two connecting rods 321 are respectively arranged at diagonally opposite positions of the injection molding device.

[0033] The fixed plate 10 and the front mold plate 20 are provided with positioning columns, and the first flow distribution plate 11 and the second flow distribution plate 21 are provided with positioning grooves. The positioning columns are embedded in the positioning grooves. For example, a pair of first positioning columns 14 are arranged at the lower end of the fixed plate 10, and a pair of first positioning grooves 110 are arranged on the first flow distribution plate 11. The pair of first positioning grooves 110 are respectively embedded in the pair of first positioning columns 14, so as to ensure the accurate position of the first flow distribution plate 11, i.e. to ensure that the first flow channel hole 111 can be accurately aligned with the glue nozzle 100. Moreover, after the position of the first flow distribution plate 11 is limited by the first positioning column 14, it is also convenient to perform the locking action of the first bolt 12.

[0034] The upper end of the front mold plate 20 is provided with a recess 210, and the first flow distribution plate 11 and the second flow distribution plate 21 are embedded in the recess 210. The existence of the recess 210 forms a space for the first flow distribution plate 11 and the second flow distribution plate 21, so as to ensure that the positions of the first flow distribution plate 11 and the second flow distribution plate 21 do not occupy the overall space of the injection molding device, and the injection molding device can be more compact.

[0035] In addition, a guide column 23 is arranged on the front mold plate 20, and a guide hole 13 is arranged on the fixed plate 10. The guide column 23 is embedded in the guide hole 13. During the assembly of the fixed plate 10 and the front mold plate 20, the cooperation of the guide hole 13 and the guide column 23 can ensure the accurate position of the fixed plate 10 and the front mold plate 20, so as to ensure the accurate butt joint of the first flow distribution plate 11 and the second flow distribution plate 21, and the accurate alignment of the first flow channel groove 112 and the second flow channel groove 211.

[0036] The first guide sleeve 101 is arranged on the fixed plate 10, and the second guide sleeve 201 is arranged on the front mold plate 20 and can be communicated with the first guide sleeve 101, so that the position is ensured to be accurate during the whole injection molding device is connected with the rear mold plate (the front mold core 40 is connected with the rear mold core to form a molding cavity).

[0037] The front mold plate 20 comprises an upper layer plate 2a and a lower layer plate 2b which are locked with each other, the second flow distribution plate 21 and the hot nozzle 200 are arranged on the upper layer plate 1a, the hot nozzle 200 passes through the lower layer plate 2b, and the front mold core 40 is arranged on the side of the lower layer plate 2b which is away from the upper layer plate 2a. Specifically, the upper layer plate 2a and the lower layer plate 2b are locked by the locking member 2c which passes through the lower layer plate 2b from one side of the lower layer plate 21 and extends into the upper layer plate 2a, so that the front mold plate 20 can be conveniently disassembled and assembled, and the hot nozzle 200 and other components can be conveniently replaced and maintained.

[0038] Preferably, the annular groove 213 is arranged on the upper end surface of the second flow distribution plate 21, and the sealing ring is arranged in the annular groove 213. When the first flow distribution plate 11 and the second flow distribution plate 21 abut, the sealing ring can improve the sealing performance of the outer side wall of the first flow channel groove 112 and the second flow channel groove 211, so that the material is prevented from leaking out of the flow distribution plate.

[0039] In addition, the glue injection nozzle 100, the first flow distribution plate 11, the second flow distribution plate 21 and the hot nozzle 200 are all provided with heating wires. For example, the first heating wire 50 is arranged on the side of the first flow distribution plate 11 which is away from the first flow channel groove 112, and the second heating wire is arranged on the side of the second flow distribution plate 21 which is away from the second flow channel groove 211, so that the material in the flow distribution plate can be collectively heated and prevented from solidifying, and the flowability of the material is ensured.

[0040] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without departing from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. An injection molding apparatus having a combined diverging plate, characterized by, The utility model relates to a front mold plate and fixed plate connecting structure, comprising: a fixed plate, which is provided with a first shunt plate at the lower end, the first shunt plate is provided with a first flow hole, and the lower end is provided with a first flow channel slot in communication with the first flow hole, the first flow hole is in communication with a glue injection nozzle on the fixed plate, a front mold plate, which is provided with a second shunt plate at the upper end, the upper end of the second shunt plate is provided with a second flow channel slot, and the second shunt plate is provided with a second flow hole in communication with the second flow channel slot, the front mold plate is provided with a hot nozzle in communication with the second flow hole, a connecting piece, which is arranged on the front mold plate and the fixed plate to connect the two, so that the second shunt plate is in abutment with the first shunt plate to communicate the second flow channel slot and the first flow channel slot, a front mold core, which is arranged on the front mold plate.

2. The injection molding apparatus having a combined diverging plate according to claim 1, characterized by, The connecting piece comprises a locking bolt, which penetrates the fixed plate and extends into the front mold plate.

3. The injection molding apparatus having a combined diverging plate according to claim 2, characterized by, The connecting piece further comprises connecting rods, one end of at least two connecting rods is locked to the opposite two side walls of the front mold plate, and the other end is locked to the opposite two side walls of the fixed plate.

4. The injection molding apparatus having a combined diverging plate according to claim 1, wherein, The first shunt plate is locked to the fixed plate, and the second shunt plate is locked to the front mold plate.

5. The injection molding apparatus having a combination-type flow divider plate according to claim 1, characterized by, The fixed plate and / or the front mold plate is provided with a positioning column, the first shunt plate and / or the second shunt plate is provided with a positioning slot, and the positioning column is embedded in the positioning slot.

6. The injection molding apparatus having a combination diverging plate according to claim 1, wherein The upper end of the front mold plate is provided with a recess, and the first shunt plate and the second shunt plate are embedded in the recess.

7. The injection molding apparatus having a combination-type flow divider plate according to claim 1, characterized by, The front mold plate is provided with a guide column, the fixed plate is provided with a guide hole, and the guide column is embedded in the guide hole.

8. The injection molding apparatus having a combination diverging plate according to claim 1, wherein The fixed plate and the front mold plate are provided with a guide sleeve in communication.

9. An injection molding apparatus having a combined diverging plate according to any one of claims 1 to 8, characterized in that, The front mold plate comprises an upper layer plate and a lower layer plate locked to each other, the second shunt plate and the hot nozzle are arranged on the upper layer plate, the hot nozzle penetrates the lower layer plate, and the front mold core is arranged on the side of the lower layer plate away from the upper layer plate.

10. The injection molding apparatus having a combination diverging plate according to claim 1, wherein, The lower end surface of the first shunt plate or the upper end surface of the second shunt plate is provided with an annular groove, and the annular groove is provided with a sealing ring.

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