CN214872315U

CN214872315U - Caster processing die

Info

Publication number: CN214872315U
Application number: CN202120562431.2U
Authority: CN
Inventors: 蔡达伟
Original assignee: Guangzhou Bosen Plastic Products Co ltd
Current assignee: Guangzhou Bosen Plastic Products Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-11-26
Anticipated expiration: 2031-03-18

Abstract

The utility model relates to the field of mechanical equipment, especially, relate to a truckle mold processing, truckle mold processing is through promoting the height at the mouth of a river is higher than the die cavity, and the mouth of a river with link to each other through a direction mould between the die cavity, can make the raw materials follow be 360 cyclic annular injecting glue when the mouth of a river gets into the die cavity, promote injecting glue speed and machining efficiency, and the raw materials gas pocket that injects into in the die cavity is less, and density is more even, and the bearing capacity is more stable, effectively solves present traditional truckle mold processing and has injecting glue speed slowly, and the inside gas pocket of truckle is great when processing the truckle, leads to truckle bearing capacity unstable, the inhomogeneous defect of density.

Description

Caster processing die

Technical Field

The utility model relates to a mould manufacturing field especially relates to a truckle mold processing.

Background

With the continuous development of science and technology, equipment is also more and more multi-functional and high in utilization rate, and the truckle becomes indispensable part. The caster is widely applied to mechanical equipment, electronic equipment, medical equipment, engineering decoration, furniture, logistics equipment, storage, turnover vehicles, cases, workshops, production lines, large supermarkets and other industries and various fields, the development of the caster is more specialized, and the bearing capacity and the stability required by the caster are more excellent. The production and processing of present truckle adopt the mould to mould plastics to accomplish mostly, through the mouth of a river of calling in three or more trades, the injecting glue mouth of product promptly, carries out the injecting glue in to the mould, obtains the truckle of accomplishing processing after the cooling drawing of patterns, and processing is simple easy operation, but above-mentioned processing method still has injecting glue speed slow, and the inside gas pocket of truckle is great when processing the truckle, leads to the truckle atress unstable, the inhomogeneous problem of density.

SUMMERY OF THE UTILITY MODEL

The utility model aims to remedy prior art's defect, provide a truckle mold processing to solve present traditional truckle mold processing and have the injecting glue speed slow, the inside gas pocket of truckle is great during processing the truckle, leads to truckle bearing capacity unstability, the inhomogeneous defect of density.

Specifically, the technical scheme of the utility model is that:

a kind of caster processing mould, the said caster processing mould includes a roof, a front die carrier, a back die carrier and a supporting seat, include a front mold core and a back mold core in said front die carrier and said back die carrier separately; the supporting structure is characterized in that a plurality of positioning guide columns are arranged between the top plate and the supporting seat, the positioning guide columns penetrate through the front die frame and the rear die frame, the supporting seat is connected with the rear die frame, a die cavity is formed at the contact position of the front die core and the rear die core, an intermediate plate is arranged between the front die frame and the top plate, an injection molding channel is arranged in the top plate, a cooling water channel and a distributing channel are arranged in the intermediate plate, the distributing channel is connected with a water gap in the front die frame, the height of the water gap is increased to be higher than that of the die cavity, and the water gap is connected with the die cavity through a guide die.

Furthermore, the material distributing channel comprises a material distributing hopper and a material distributing groove, the material distributing groove is connected with the water gap through a material guiding nozzle, and the material distributing channel and the material guiding nozzle uniformly distribute the raw materials flowing into the injection molding channel to the position of the water gap.

Furthermore, the section of the inner part of the guide die is in a conical shape, so that 360-degree annular glue injection can be realized when the raw materials are from the water gap to the die cavity, and the glue injection speed and the processing efficiency are improved.

Furthermore, a plurality of exhaust holes are formed in the die surfaces of the front die core and the rear die core, and the exhaust holes can exhaust air in the die cavity when the die cavity is filled with glue, so that the quality of the caster wheel during die cavity forming is ensured.

Furthermore, a plurality of sizing plates penetrate through the space between the front die frame and the rear die frame, and the sizing plates are encircled into a circumference shape and used for sizing the caster.

Furthermore, a material pulling rod is arranged between the rear die carrier and the supporting seat and used for ejecting the caster wheel out after the caster wheel is cooled and formed, and demolding is facilitated.

Furthermore, a positioning guide sleeve matched with the positioning guide column is arranged outside the positioning guide column and used for ensuring that the front mold core and the rear mold core can be accurately aligned when being closed.

The beneficial effects of the utility model are that, the utility model discloses a promote the height at mouth of a river is higher than the die cavity, and the mouth of a river with link to each other through a direction mould between the die cavity, can make the raw materials follow be 360 cyclic annular injecting glue when the mouth of a river gets into the die cavity, promote injecting glue speed and machining efficiency, and the raw materials gas pocket that just pours into in the die cavity into is less, and density is more even, and the bearing capacity is more stable, and it is slow effectively to solve present traditional truckle mold processing to have the injecting glue speed, and the inside gas pocket of truckle is great when processing the truckle, leads to truckle bearing capacity unstable, the inhomogeneous defect of density.

Drawings

Fig. 1 is a schematic structural view of a caster machining mold according to a first embodiment.

Fig. 2 is a sectional view of the caster machining mold according to the first embodiment taken along the center of the mold core.

Fig. 3 is a schematic structural view of the distributing chute provided in the first embodiment.

Fig. 4 is a top view of the rear mold core provided in the first embodiment.

In the figure: 1. the injection molding machine comprises a top plate, 2 parts of a front mold frame, 3 parts of a rear mold frame, 4 parts of a supporting seat, 5 parts of a middle plate, 6 parts of a front mold core, 7 parts of a rear mold core, 8 parts of a positioning guide post, 9 parts of a distribution hopper, 10 parts of an injection molding channel, 11 parts of a guide nozzle, 12 parts of a cooling water channel, 13 parts of a water gap, 14 parts of a guide mold, 15 parts of a material pulling rod, 16 parts of a material distribution groove, 17 parts of an exhaust hole and 18 parts of a shaping plate.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present embodiment provides a caster processing mold, which includes a top plate 1, a front mold frame 2, a rear mold frame 3, and a supporting seat 4, wherein the front mold frame 3 and the rear mold frame 4 respectively include a front mold core 6 and a rear mold core 7 therein; the mold comprises a top plate 1, a supporting seat 4, a plurality of positioning guide pillars 8, a plurality of middle plates 5, a plurality of injection molding channels 10, a cooling water channel 12 and a material distributing channel, wherein the plurality of positioning guide pillars 8 are arranged between the top plate 1 and the supporting seat 4, the positioning guide pillars 8 penetrate through a front mold frame 2 and a rear mold frame 3, the supporting seat 4 is connected with the rear mold frame 3, a mold cavity is formed at the contact position of the front mold core 6 and the rear mold core 7, the middle plate 5 is arranged between the front mold frame 2 and the top plate 1, the injection molding channel 10 is arranged in the top plate 1, the middle plate 5 comprises the cooling water channel 12 and the material distributing channel, the material distributing channel is connected with a water gap 13 in the front mold frame 2, the height of the water gap 13 is higher than that of the mold cavity, and the water gap 13 is connected with the mold cavity through a guide mold 14.

In this embodiment, when the caster machining of the mold is started, an operator adds a molten plastic material from the injection channel 10 to the top plate 1, the material enters the distribution hopper 9 in the distribution channel and then moves along the distribution groove 16 to the material guide nozzle 11, the material enters the water gap 13 through the material guide nozzle 11, the material is injected into the mold cavity formed by contacting the front mold core 6 with the rear mold core 7 in a 360-degree annular shape from the guide mold 14, and simultaneously, the air in the mold cavity is discharged through a plurality of exhaust holes 17 on the mold surfaces of the front mold core 6 and the rear mold core 7, so that the caster is prevented from generating air holes due to the air in the mold cavity during molding of the mold cavity, the quality of the caster during molding of the mold cavity is improved, and after the material completely fills the mold cavity, the operator introduces cooling water into the cooling water channel 12 to cool and mold the molten plastic material in the mold cavity, and finally, after the stripping of the front die carrier 2 and the rear die carrier 3 is finished, the material pulling rod 15 ejects the caster, and the processing of the caster is finished.

Preferably, a plurality of shaping plates penetrate through the space between the front mold frame 2 and the rear mold frame 3, and the shaping plates are encircled into a circle and used for shaping the caster; and a positioning guide sleeve matched with the positioning guide pillar 8 is arranged outside the positioning guide pillar 8 and used for ensuring that the front mold core 6 and the rear mold core 7 can be accurately aligned when being closed.

The utility model discloses can promote injecting glue speed and machining efficiency, and the raw materials gas pocket that pours into in the die cavity into is less, and density is more even, and the bearing capacity is more stable, effectively solves present traditional truckle mold processing and has injecting glue speed slow, and the inside gas pocket of truckle is great during processing the truckle, leads to truckle bearing capacity unstable, and the defect of density inhomogeneous is fit for the injection-molded machining who is used for the truckle.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

1. A kind of caster processing mould, the said caster processing mould includes a roof, a front die carrier, a back die carrier and a supporting seat, include a front mold core and a back mold core in said front die carrier and said back die carrier separately; the mold is characterized in that a plurality of positioning guide columns are arranged between the top plate and the supporting seat, the positioning guide columns penetrate through the front mold frame and the rear mold frame, the supporting seat is connected with the rear mold frame, a mold cavity is formed at the contact position of the front mold core and the rear mold core, an intermediate plate is arranged between the front mold frame and the top plate, an injection molding channel is arranged in the top plate, a cooling water channel and a distributing channel are arranged in the intermediate plate, the distributing channel is connected with a water gap in the front mold frame, the height of the water gap is improved to be higher than that of the mold cavity, and the water gap is connected with the mold cavity through a guide mold.

2. The mold for processing the caster of claim 1, wherein said material distribution channel comprises a material distribution funnel and a material distribution groove, and said material distribution groove is connected to said nozzle through a material guiding nozzle.

3. The mold for processing a caster according to claim 1, wherein the guide mold has a conical inner cross-section.

4. The mold for machining the caster of claim 1, wherein the front mold core and the rear mold core have a plurality of air vents on the mold surface.

5. The caster wheel processing mold according to claim 1, wherein a plurality of sizing plates are inserted between the front mold frame and the rear mold frame, and the sizing plates are circumferentially arranged.

6. The caster wheel processing mold as claimed in claim 1, wherein a material pulling rod is disposed between the rear mold frame and the supporting base.

7. The mold for processing the caster of claim 1, wherein a positioning guide sleeve is disposed outside the positioning guide post for cooperating with the positioning guide post.