CN217395575U

CN217395575U - Forming die of depression bar

Info

Publication number: CN217395575U
Application number: CN202221264295.XU
Authority: CN
Inventors: 张金辉; 胡方平; 林伟兵; 刘江; 胡立东
Original assignee: Ningbo Hongke Auto Parts Co ltd
Current assignee: Ningbo Hongke Auto Parts Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-09-09
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a forming die of depression bar, including cope match-plate pattern, lower bolster, the cope match-plate pattern is provided with mould benevolence, go up the mould benevolence and insert and be equipped with a plurality of mold inserts, the lower bolster is provided with lower mould benevolence, the lower mould benevolence be provided with a plurality of mold insert assorted low grooves, constitute a plurality of die cavities after a plurality of mold inserts and a plurality of low grooves make up, it is provided with the feed channel to go up the mould benevolence, the lower mould benevolence is provided with the main material and says, the both ends that the main material was said all are provided with first branch material way, the main material is said and is formed the I-shaped structure with the combination that first branch material was said. The utility model has the advantages of the design is effective, rational in infrastructure, and the main charge that is arranged in the feed channel of last mould benevolence and is arranged in lower mould benevolence says, first branch material says, second branch material says, the U-shaped material says, the rectangle feed inlet link up mutually, and it is smooth and easy to guarantee to be located the material and says that raw and other materials flow, guarantees simultaneously that the feeding runner of product keeps on the flat of step both sides after the shaping, conveniently prunes to guarantee product quality, improve work efficiency.

Description

Forming die of depression bar

Technical Field

The utility model belongs to the technical field of the injection mold and specifically relates to a forming die of depression bar is related to.

Background

As shown in figure 1, the main body of the pressure lever is of a cylindrical structure, the upper end of the main body is provided with a step 01, the two sides of the step are respectively provided with a flat surface 02, a plurality of reinforcing ribs 03 are arranged between the step and the main body, the number of the reinforcing ribs is four, and the central shafts of the main body are used as the reference and are radially distributed, when a mold is designed by an original enterprise, a feeding sprue is arranged on the side surface of the cylindrical structure, but after the pressure lever is designed and formed by adopting the scheme, the excess material on the feeding sprue can be left on the surface of the cylindrical structure, and the pressure lever can be used after being trimmed and polished subsequently, so that the operation is troublesome, and the working efficiency is reduced.

In view of the above problems, there is an urgent need to solve the problem of product forming, ensure product quality, and improve efficiency.

Disclosure of Invention

The utility model aims to solve the technical problem that a forming die of depression bar is provided, through the setting that is linked together of feed channel, main material way, first branch material way, second branch material way, U-shaped material way, rectangle feed inlet, the assurance lies in that the raw and other materials that the material was said flow smoothly, guarantees simultaneously that the feeding runner of product remains on the flat of step both sides after the shaping, conveniently prunes to guarantee product quality, improve work efficiency.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a forming die of depression bar, includes cope match-plate pattern, lower bolster, the cope match-plate pattern be provided with mould benevolence, last mould benevolence insert and be equipped with a plurality of mold inserts, the lower bolster be provided with mould benevolence down, the lower mould benevolence be provided with a plurality of low recesses of a plurality of mold insert assorted, a plurality of mold inserts constitute a plurality of die cavitys with a plurality of low recesses after the combination. The plurality of mold cavities are formed by combining the plurality of mold inserts and the plurality of lower grooves, so that when the upper mold plate and the lower mold plate are closed, a plurality of products can be formed at one time, and the improvement of the working efficiency is facilitated.

Furthermore, the upper die core is provided with a feeding channel, the lower die core is provided with a main material channel, two ends of the main material channel are respectively provided with a first material distributing channel, the main material channel and the first material distributing channel are combined to form an I-shaped structure, two ends of the first material distributing channel are respectively provided with a second material distributing channel, the second material distributing channel and the first material distributing channel are combined to form a cross structure, two ends of the second material distributing channel are respectively provided with a U-shaped material channel, the inner sides of two ends of the U-shaped material channel are provided with a rectangular feeding port communicated with the die cavity, the lower groove comprises a first groove, a bow chord surface, a second groove and four open grooves which are crossed and connected with the second groove, the four open grooves are radially and equidistantly distributed by taking the center of the second groove as a reference, the number of the bow chord surfaces is two, the two open grooves are connected with the first groove, and the rectangular feeding port is connected with the bow chord surface, the feeding channel, the main material channel, the first material distribution channel, the second material distribution channel, the U-shaped material channel and the rectangular feeding hole are communicated with the die cavity.

As a further improvement, the mold insert is provided with an upper groove, the upper groove is located the upper end of the first groove and combines with the first groove.

As a further improvement, the circumference side of the second groove is provided with a demoulding inclination which is 3 degrees.

As a further improvement, the lower die core slide to insert and be equipped with many ejector pins, the up end of ejector pin laminate mutually with the lower terminal surface of second recess, many ejector pins inside all insert and be equipped with the fixed rod, the upper end of fixed rod be located the inside of second recess.

As a further improvement, the ejector pin be provided with the push pedal that can promote its removal, the push pedal be located the below of lower bolster, the push pedal around both sides all be provided with the backup pad, the fixed mounting panel that is provided with down of lower extreme of backup pad.

As a further improvement of the utility model, the fixed rod is inserted in the ejector rod and connected with the lower mounting plate through the positioning sheet, the positioning sheet and the lower mounting plate pass through bolt fixed connection.

As a further improvement, the push pedal include first push pedal, second push pedal, first push pedal and second push pedal fixed connection, the lower extreme of ejector pin be provided with the boss, boss fixed connection between first push pedal and second push pedal.

As a further improvement, the upper end of the upper template is fixedly provided with an upper mounting plate, and the upper mounting plate is provided with a filling port communicated with the feeding channel.

Compared with the prior art, the utility model has the advantages of the design is effective, rational in infrastructure, and the main material that is arranged in the feed channel of upper die benevolence and is arranged in lower die benevolence says, first branch material way, second branch material way, U-shaped material way, rectangle feed inlet link up mutually, and it is smooth and easy to guarantee to be arranged in the raw and other materials flow of material way, guarantees simultaneously that the feeding runner of product remains on the flat face of step both sides after the shaping, conveniently prunes to guarantee product quality, improve work efficiency. The molten raw materials sequentially flow into the die cavity from the feeding channel positioned in the upper die core, the main material channel, the first material distribution channel, the second material distribution channel, the U-shaped material channel and the rectangular feeding hole positioned in the lower die core, so that the smooth flowing of the raw materials is ensured, and the filling of the die cavity with the raw materials is facilitated; rectangular feeding article are connected with the bowstring face in the lower groove, that is to say when raw and other materials got into the die cavity, just get into from bowstring face here, indicate that the feeding runner of raw and other materials can remain on the bowstring face, make things convenient for subsequent pruning to handle, the bowstring face be used for the flat face of shaping, first recess is used for the shaping step, the second recess is used for the shaping the utility model discloses a major structure, four open slots that link to each other with the second recess, the strengthening rib between shaping step and the main part, above structural design is reasonable effective, can guarantee the smooth shaping and the drawing of patterns of product to solve the follow-up pruning problem of mentioning in the background art, be favorable to guaranteeing the quality and improve work efficiency.

Drawings

FIG. 1 is a schematic structural view of a compression bar;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the lower mold core;

FIG. 4 is a schematic view of the insert structure;

fig. 5 is a schematic cross-sectional view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 5: a compression bar forming die comprises an upper die plate 2 and a lower die plate 6, wherein the upper die plate 2 is provided with an upper die core 3, the upper die core 3 is inserted with a plurality of insert parts 4, the lower die plate 6 is provided with a lower die core 5, the lower die core 5 is provided with a plurality of lower grooves 12 matched with the insert parts 4, the insert parts 4 and the lower grooves 12 are combined to form a plurality of die cavities, the upper die core 3 is provided with a feeding channel 30, the lower die core 5 is provided with a main material channel 50, two ends of the main material channel 50 are both provided with a first material distribution channel 51, the main material channel 50 and the first material distribution channel 51 are combined to form an I-shaped structure, two ends of the first material distribution channel 51 are both provided with a second material distribution channel 52, the second material distribution channel 52 and the first material distribution channel 51 are combined to form a cross-shaped structure, two ends of the second material distribution channel 52 are both provided with a U-shaped material channel 53, the inner sides of two ends of the U-shaped material channel 53 are provided with rectangular feed inlets 54 communicated with the die cavities, through the arrangement of the material channels, the molten raw materials can be ensured to finally flow into the die cavity from the rectangular feed inlets 54 at the two sides, so that the speed of filling the die cavity with the raw materials is increased, and the efficiency is improved; the lower groove 12 comprises a first groove 120, a bowstring surface 121, a second groove 122 and four open grooves 123 crossed and connected with the second groove 122, the four open grooves 123 are radially and equidistantly distributed by taking the center of the second groove 122 as a reference, the four open grooves 123 are used for forming reinforcing ribs 03 in products, the number of the bowstring surfaces 121 is two, the two open grooves are connected with the first groove 120, the rectangular feed port 54 is connected with the bowstring surface 121, and the feed channel 30, the main channel 50, the first distribution channel 51, the second distribution channel 52, the U-shaped channel 53 and the rectangular feed port 54 are communicated with a mold cavity. The rectangular feed inlet is connected with the bowstring surface, and the fact that the feed gate can be remained on the bowstring surface after a product is molded and demoulded is shown, so that the follow-up trimming treatment is facilitated, and the working efficiency is improved.

The insert 4 is provided with an upper groove 40, and the upper groove 40 is located at the upper end of the first groove 120 and combined with the first groove 120. Above structural design is reasonable, when upper groove 40 and first recess 120 combination, can be used to shaping step 01, is favorable to the smooth drawing of patterns of product.

The circumferential side of the second groove 122 is provided with a draft angle of 3 degrees. Through the setting of drawing of patterns inclination, guarantee that the product can demould smoothly.

A plurality of ejector rods 7 are slidably inserted into the lower die core 5, the upper end surfaces of the ejector rods 7 are attached to the lower end surface of the second groove 122, fixed rods 8 are inserted into the ejector rods 7, and the upper ends of the fixed rods 8 are located in the second groove 122. The fixed rod 8 positioned inside the ejector rod 7 is used for forming the internal structure of a product, the fixed rod 8 is matched and connected with the ejector rod 7, the lower groove 12 in the die cavity is guaranteed to be in a sealing state, product forming is facilitated, and waste edges cannot be generated.

The ejector rod 7 is provided with a push plate 11 capable of pushing the ejector rod to move, the push plate 11 is located below the lower template 6, supporting plates 9 are arranged on the front side and the rear side of the push plate 11, and a lower mounting plate 10 is fixedly arranged at the lower end of each supporting plate 9. When a user wants to demold after the product is molded, the push plate 11 drives the ejector rod 7 to move upwards, so that the product can be ejected out of the die cavity, the smooth demolding of the product is ensured, the supporting plate 9 is used for supporting the upward and downward movement of the push plate 11, the push plate 11 is ensured to have a movable space, and the lower mounting plate 10 facilitates the mounting of a die and equipment.

The fixed rod 8 is inserted in the top rod 7 and connected with the lower mounting plate 10 through a positioning piece 13, and the positioning piece 13 is fixedly connected with the lower mounting plate 10 through a bolt 14. Due to the structural design, the positioning sheet 13 can be stably connected to the lower mounting plate 10 without shaking, and the stability of the product quality is facilitated.

The push plate 11 comprises a first push plate 111 and a second push plate 112, the first push plate 111 is fixedly connected with the second push plate 112, the lower end of the top rod 7 is provided with a boss 70, and the boss 70 is fixedly connected between the first push plate 111 and the second push plate 112. The first push plate 111 and the second push plate 112 are combined and connected with the fixed boss 70, so that the ejector rod 7 is driven to move up and down, the stable and effective movement of the ejector rod 7 is ensured, and the smooth demolding of the product under the pushing of the ejector rod 7 is ensured.

The upper end of the upper template 2 is fixedly provided with an upper mounting plate 1, and the upper mounting plate 1 is provided with a feeding port 15 communicated with the feeding channel 30. The upper mounting plate 1 facilitates mounting of a mold and equipment, and molten raw materials can enter the feeding channel 30 through the injection port 15, then sequentially pass through the main material channel 50, the first material distribution channel 51, the second material distribution channel 52, the U-shaped material channel 53 and the rectangular feed port 54 and then flow into a mold cavity for molding products.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A compression bar forming die comprises an upper die plate and a lower die plate, wherein the upper die plate is provided with an upper die core, a plurality of insert pieces are inserted into the upper die core, the lower die plate is provided with a lower die core, the lower die core is provided with a plurality of lower grooves matched with the insert pieces, and the insert pieces and the lower grooves are combined to form a plurality of die cavities. The lower groove comprises a first groove, a bow chord surface, a second groove and four open grooves which are crossed and connected with the second groove, the four open grooves are radially and equidistantly distributed by taking the center of the second groove as a reference, the number of the bow chord surfaces is two and is connected with the first groove, the rectangular feed inlet is connected with the bow chord surface, and the feed channel, the main material channel, the first material distribution channel, the second material distribution channel, the U-shaped material channel and the rectangular feed inlet are communicated with the die cavity.

2. A molding die for a plunger according to claim 1, wherein said insert is provided with an upper recess at an upper end of the first recess and combined with the first recess.

3. The molding die for a compression bar according to claim 1, wherein the circumferential side of the second groove is provided with a mold release slope, and the mold release slope is 3 degrees.

4. The forming die for the compression bar according to claim 1, wherein a plurality of ejector rods are slidably inserted into the lower die core, the upper end surfaces of the ejector rods are attached to the lower end surface of the second groove, fixed bars are inserted into the plurality of ejector rods, and the upper ends of the fixed bars are located inside the second groove.

5. The forming die of the compression bar according to claim 4, wherein the ejector rod is provided with a push plate capable of pushing the ejector rod to move, the push plate is positioned below the lower template, the front side and the rear side of the push plate are respectively provided with a support plate, and the lower end of the support plate is fixedly provided with a lower mounting plate.

6. The forming die of the compression bar according to claim 5, wherein the fixed bar is inserted into the top bar and connected with the lower mounting plate through a positioning plate, and the positioning plate is fixedly connected with the lower mounting plate through a bolt.

7. The forming mold of a compression bar according to claim 5, wherein the push plate comprises a first push plate and a second push plate, the first push plate is fixedly connected with the second push plate, the lower end of the top rod is provided with a boss, and the boss is fixedly connected between the first push plate and the second push plate.

8. The forming mold of the compression bar according to claim 1, wherein an upper mounting plate is fixedly arranged at the upper end of the upper template, and the upper mounting plate is provided with a filling opening communicated with the feeding channel.