Machining die for BMC material power box base

By setting upper and lower hot water channels in the BMC material power box base processing mold, high temperature is maintained in the molding cavity, which solves the problems of deformation and shrinkage caused by slow molding speed and improves the yield of power box bases.

CN223820998UActive Publication Date: 2026-01-23FOSHAN SHUNDE LICHANG HARDWARE ELECTRONIC COMPOSITE MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423306952.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-23
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing BMC material power boxes suffer from slow curing speed, low product yield, and are prone to deformation and shrinkage cavities because the molding cavity cannot maintain a relatively high temperature during processing.

Method used

A processing mold for a power supply box holder made of BMC material was designed, which includes an upper mold base and a lower mold base. An upper hot water channel and a lower hot water channel are provided between the two. Heat is transferred to the molding cavity through the hot water channel to maintain the high temperature inside the molding cavity and ensure rapid curing.

Benefits of technology

This accelerated the molding efficiency of the power supply box, avoided deformation and shrinkage, and improved the yield rate of production.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223820998U_ABST
    Figure CN223820998U_ABST
Patent Text Reader

Abstract

The utility model relates to a processing die for a BMC (bulk molding compound) material power supply box seat, which comprises an upper die seat and a lower die seat, an upper die core and a lower die core are respectively arranged on the upper die seat and the lower die seat, and the upper die seat and the lower die seat are connected and matched to form a forming cavity corresponding to the shape of the power supply box seat between the upper die core and the lower die core. An upper hot water channel is formed in the position, corresponding to the position adjacent to the upper mold core, in the upper mold base, a lower hot water channel is formed in the position, corresponding to the position adjacent to the lower mold core, in the lower mold base, and the upper hot water channel and the lower hot water channel conduct heat transfer with the forming cavity through the upper mold core and the lower mold core correspondingly. And a relatively high temperature can be maintained in the forming cavity, so that the forming efficiency of the power supply box seat is improved, the phenomena of deformation, shrinkage and the like caused by low forming speed are avoided, and the yield of the production of the power supply box seat is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power box production equipment, specifically relates to a processing mould of BMC material power box seat. BACKGROUND

[0002] BMC material, the abbreviation of Bulk Molding Compound, is a kind of semi-dry method manufacturing glass fibre reinforced thermosetting product moulding intermediate material.

[0003] In order to improve the high temperature resistance of power box, make product more safe, BMC material power box appears on the market, and BMC material is different from general injection material, BMC material needs to be solidified quickly by high temperature in the process of forming, and the existing BMC material power box cannot be solidified quickly in the processing process due to the fact that the temperature in the forming cavity cannot be kept relatively high, so that the yield of product is relatively low.

[0004] Therefore, further improvement is required. INVENTION CONTENTS

[0005] The utility model discloses a processing mould of BMC material power box seat, which overcomes the shortcomings of the prior art, speeds up the solidification of power box seat in the forming cavity, avoids deformation and shrinkage and other phenomena caused by slow forming speed, and improves the yield of power box seat production.

[0006] The utility model discloses a processing mould of BMC material power box seat, which overcomes the shortcomings of the prior art, speeds up the solidification of power box seat in the forming cavity, avoids deformation and shrinkage and other phenomena caused by slow forming speed, and improves the yield of power box seat production.

[0007] A processing mould of BMC material power box seat, including upper die seat and lower die seat, upper die seat and lower die seat are equipped with upper die core and lower die core respectively, upper die seat and lower die seat are connected and cooperate to form the forming cavity corresponding to the shape of power box seat between upper die core and lower die core, upper hot water passage is arranged in upper die seat corresponding to the position adjacent to upper die core, lower hot water passage is arranged in lower die seat corresponding to the position adjacent to lower die core, and upper hot water passage and lower hot water passage are respectively connected with forming cavity through upper die core and lower die core and heat transfer.

[0008] As a specific scheme, the upper die seat and the lower die seat are connected and cooperated to form a plurality of forming cavities corresponding to the shape of the power box seat, and the upper die seat and the lower die seat are separated to open each forming cavity outward.

[0009] As a specific scheme, the upper die seat is connected with a shunt block, the upper die seat is provided with a shunt block mounting cavity corresponding to the shunt block, the shunt block is embedded in the shunt block mounting cavity, the shunt block is provided with a feeding port and a water flow channel, and the water flow channel is respectively communicated with the feeding port and the forming cavity.

[0010] As a specific scheme, the flow distribution block is provided with an intermediate hot water channel, the upper hot water channel comprises a plurality of upper through grooves penetrating through the front and rear ends of the upper mold base, adjacent upper through grooves are sequentially connected in a head-to-tail manner through external pipelines to form a circuitous upper hot water channel, the intermediate hot water channel is in communication with the upper hot water channel, and the intermediate hot water channel is arranged in the flow distribution block at a position corresponding to the position adjacent to the feeding end of the forming cavity.

[0011] As a specific scheme, the lower hot water channel comprises a plurality of lower through grooves penetrating through the front and rear ends of the lower mold base, adjacent lower through grooves are sequentially connected in a head-to-tail manner through external pipelines to form a circuitous lower hot water channel.

[0012] As a specific scheme, the lower hot water channel and the upper hot water channel can be in communication with each other through external pipelines.

[0013] As a specific scheme, the lower mold base is provided with a water cutting seat below, the water cutting seat is connected with a water cutting knife, the water cutting knife sequentially penetrates through the lower mold base and the lower mold core in a upward direction and extends to the feeding end position of the forming cavity, and the water cutting seat can drive the water cutting knife to move upward relative to the lower mold base.

[0014] As a specific scheme, a demolding seat is arranged between the lower mold base and the water cutting seat, a plurality of demolding columns are arranged on the demolding seat, the demolding columns sequentially penetrate through the lower mold base and the lower mold core in a upward direction and extend to the bottom of the forming cavity, the demolding columns can drive the demolding columns to move upward relative to the lower mold base, and the water cutting knife penetrates through the demolding columns in a vertical direction.

[0015] The utility model discloses the beneficial effects are:

[0016] Through the arrangement of the upper hot water channel and the lower hot water channel, the temperature in the forming cavity can be maintained relatively high, so that the efficiency of power box seat forming is accelerated, the deformation and shrinkage hole phenomenon caused by slow forming speed is avoided, and the yield of power box seat production is improved. DRAWINGS

[0017] Figure 1 The cross section of the embodiment of the utility model is shown Figure One .

[0018] Figure 2 The cross section of the embodiment of the utility model is shown Figure Two .

[0019] Figure 3 The cross section of the embodiment of the utility model is shown Figure Three .

[0020] Figure 4 The cross section of the embodiment of the utility model is shown Figure Four . CONCRETE EMBODIMENT

[0021] The utility model is further described below in combination with the drawings and examples.

[0022] Referring to Figures 1-4 The processing die of the BMC material power supply box seat comprises an upper die seat 1 and a lower die seat 2, upper die cores 3 and lower die cores 4 are respectively arranged on the upper die seat 1 and the lower die seat 2, the upper die seat 1 and the lower die seat 2 are connected and matched to form forming cavities 5 corresponding to the shape of the power supply box seat between the upper die cores 3 and the lower die cores 4, the upper die seat 1 is provided with an upper hot water channel 11 at a position corresponding to the position adjacent to the upper die core 3, the lower die seat 2 is provided with a lower hot water channel 21 at a position corresponding to the position adjacent to the lower die core 4, the upper hot water channel 11 and the lower hot water channel 21 respectively transfer heat to the forming cavities 5 through the upper die cores 3 and the lower die cores 4, the upper hot water channel 11 and the lower hot water channel 21 are arranged to maintain a relatively high temperature in the forming cavities 5, thereby accelerating the forming efficiency of the power supply box seat, avoiding deformation and shrinkage due to slow forming speed, and improving the yield of the power supply box seat production.

[0023] Further, the upper die seat 1 and the lower die seat 2 are connected and matched to form a plurality of forming cavities 5 corresponding to the shape of the power supply box seat between the upper die cores 3 and the lower die cores 4, and the upper die seat 1 and the lower die seat 2 are separated to enable each forming cavity 5 to open outward, so that multiple power supply box seats can be processed simultaneously each time the mold is closed, thereby improving the production efficiency.

[0024] Further, the upper die seat 1 is connected with a flow distribution block 6, the upper die seat 1 is provided with a flow distribution block mounting cavity corresponding to the flow distribution block 6, the flow distribution block 6 is embedded in the flow distribution block mounting cavity, the flow distribution block 6 is provided with a material injection port 63 and a water flow channel 61, the water flow channel 61 is in communication with the material injection port 63 and the forming cavities 5 respectively, and the flow distribution block can play a role in distributing the processing raw materials, so that the processing raw materials can be smoothly distributed into the forming cavities 5.

[0025] Further, the flow distribution block 6 is provided with an intermediate hot water channel 62, the upper hot water channel 11 comprises a plurality of upper through grooves penetrating through the front and rear ends of the upper die seat 1, adjacent upper through grooves are sequentially connected in head-tail mode through external pipelines to form a circuitous upper hot water channel 11, the intermediate hot water channel 62 is in communication with the upper hot water channel 11, and the intermediate hot water channel 62 is arranged in the flow distribution block 6 at a position corresponding to the position adjacent to the feeding end of the forming cavities 5, so that hot water entering the flow distribution block 6 can make the feeding end of the forming cavities 5 have a relatively high temperature, thereby making the feeding end of the forming cavities 5 have a relatively high temperature and a faster solidification speed, and a long water gap will not occur.

[0026] Further, the lower hot water channel 21 comprises a plurality of lower through grooves penetrating through the front and rear ends of the lower die seat 2, adjacent lower through grooves are sequentially connected in head-tail mode through external pipelines to form a circuitous lower hot water channel 21.

[0027] Further, the lower hot water channel 21 and the upper hot water channel 11 can be communicated with each other through an external pipeline, without the need of additionally setting multiple water supply systems, so that the upper hot water channel 11 and the lower hot water channel 21 can share the same water supply system.

[0028] Further, the lower die seat 2 is provided with a water cutting seat 7, the water cutting seat 7 is connected with a water cutting knife 71, the water cutting knife 71 sequentially penetrates the lower die seat 2 and the lower die core 4 upwards and extends to the feeding end position of the forming cavity 5, the water cutting seat 7 can drive the water cutting knife 71 to move upwards relative to the lower die seat 2, so that the influence of the water cutting knife on the product can be reduced.

[0029] Further, the lower die seat 2 is provided with a water cutting seat 7, the water cutting seat 7 is connected with a water cutting knife 71, the water cutting knife 71 sequentially penetrates the lower die seat 2 and the lower die core 4 upwards and extends to the feeding end position of the forming cavity 5, the water cutting seat 7 can drive the water cutting knife 71 to move upwards relative to the lower die seat 2, so that the influence of the water cutting knife on the product can be reduced.

[0030] The above embodiments are only preferred schemes of the present application, and the present application can have other embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present application, and these equivalent modifications or substitutions are included in the scope of the present application.

Claims

1. A processing mold for a power supply box holder made of BMC material, comprising an upper mold base (1) and a lower mold base (2), wherein an upper mold core (3) and a lower mold core (4) are respectively provided on the upper mold base (1) and the lower mold base (2), and the upper mold base (1) and the lower mold base (2) are connected and cooperated to form a molding cavity (5) between the upper mold core (3) and the lower mold core (4) corresponding to the shape of the power supply box holder, characterized in that, The upper mold base (1) is provided with an upper hot water channel (11) at a position adjacent to the upper mold core (3), and the lower mold base (2) is provided with a lower hot water channel (21) at a position adjacent to the lower mold core (4). The upper hot water channel (11) and the lower hot water channel (21) are respectively connected to the molding cavity (5) through the upper mold core (3) and the lower mold core (4).

2. The processing mold for the BMC material power supply box holder according to claim 1, characterized in that: The connection and cooperation between the upper mold base (1) and the lower mold base (2) can form a plurality of molding cavities (5) corresponding to the shape of the power box base between the upper mold core (3) and the lower mold core (4). The separation of the upper mold base (1) and the lower mold base (2) can allow each molding cavity (5) to open outward.

3. The processing mold for the BMC material power supply box holder according to claim 1, characterized in that: The upper mold base (1) is connected to a flow divider block (6). The upper mold base (1) is provided with a flow divider block mounting cavity corresponding to the flow divider block (6). The flow divider block (6) is embedded in the flow divider block mounting cavity. The flow divider block (6) is provided with an injection port (63) and a water flow channel (61). The water flow channel (61) is connected to the injection port (63) and the molding cavity (5) respectively.

4. The processing mold for the BMC material power supply box holder according to claim 3, characterized in that: The diversion block (6) is provided with an intermediate hot water channel (62). The upper hot water channel (11) includes several upper through slots that penetrate the front and rear ends of the upper mold base (1). Adjacent upper through slots are connected end to end by external pipes to form a meandering upper hot water channel (11). The intermediate hot water channel (62) is connected to the upper hot water channel (11). The intermediate hot water channel (62) is located in the diversion block (6) at a position adjacent to the feed end of the molding cavity (5).

5. The processing mold for the BMC material power supply box holder according to claim 3, characterized in that: The lower hot water channel (21) includes several lower through slots that penetrate the front and rear ends of the lower mold base (2). Adjacent lower through slots are connected end to end by external pipes to form a meandering lower hot water channel (21).

6. The processing mold for the BMC material power supply box holder according to claim 5, characterized in that: The lower hot water channel (21) and the upper hot water channel (11) can be connected to each other through an external pipeline.

7. The processing mold for the BMC material power supply box holder according to any one of claims 1-6, characterized in that: The lower mold base (2) is provided with a sprue holder (7), and the sprue holder (7) is connected to a sprue cutter (71). The sprue cutter (71) passes through the lower mold base (2) and the lower mold core (4) in sequence and extends to the feeding end of the molding cavity (5). The sprue holder (7) can drive the sprue cutter (71) to move upward relative to the lower mold base (2).

8. The processing mold for the BMC material power supply box holder according to claim 7, characterized in that: A demolding seat (8) is provided between the lower mold base (2) and the sprue holder (7). The demolding seat (8) is provided with a plurality of demolding pillars (81). The demolding pillars (81) pass through the lower mold base (2) and the lower mold core (4) in sequence and extend to the bottom of the molding cavity (5). The demolding pillars (81) can drive the demolding pillars (81) to move upward relative to the lower mold base (2). The sprue cutter (71) passes through the demolding pillars (81) vertically.