CN115415371A - Forklift side plate profiling mold - Google Patents

Abstract

The invention discloses a forklift side plate pressing mold, which comprises a lower mold assembly, an upper mold assembly, a stripping plate arranged on the lower mold assembly and a positioning plate arranged on the stripping plate, and the upper mold assembly includes an upper template and an upper mold core plate arranged on the upper mold plate, and the lower mold assembly includes a lower mold plate and a lower mold core plate arranged on the lower template and matched with the upper mold core plate.

Description

Forklift side panel molding die

technical field

The invention belongs to the technical field of forklift production equipment, in particular, the invention relates to a forklift side plate pressing die.

Background technique

At present, in the industrial vehicle industry, there are generally two methods for bending and forming parts. One is to use a bending machine to bend and form, and the other is to use a mold for hydraulic forming. For the more complicated forklift side panels, the bending efficiency of the bending machine is low, and the error after forming is relatively large, so it is difficult to achieve the matching accuracy of the design. Using mold hydroforming has the characteristics of high efficiency and high forming precision, but the cost of mold opening is high, and the later maintenance is inconvenient, and it is not the best choice when the product output does not reach a certain scale.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention provides a forklift side plate molding die, the purpose is to reduce costs.

In order to achieve the above object, the technical solution adopted by the present invention is: a forklift side plate molding die, including a lower mold assembly, an upper mold assembly, a stripping plate arranged on the lower mold assembly and a positioning plate arranged on the stripping plate The upper mold assembly includes an upper mold plate and an upper mold core plate arranged on the upper mold plate, and the lower mold assembly includes a lower mold plate and a lower mold core plate arranged on the lower mold plate and matched with the upper mold core plate.

There are multiple lower mold core plates, all the lower mold core plates are arranged in two rows, and the stripping plate is located between the two rows of lower mold core plates.

There are multiple upper mold core plates, and the upper mold assembly also includes upper mold reinforcing rods connected with all upper mold core plates.

The upper mold core plate includes a first upper extrusion surface, a second upper extrusion surface and a third upper extrusion surface, and the second upper extrusion surface is located between the first upper extrusion surface and the third upper extrusion surface , the first upper extrusion surface and the third upper extrusion surface are horizontal planes, and the second upper extrusion surface is an inclined plane arranged obliquely.

There are two sets of the first upper extrusion surface, the second upper extrusion surface and the third upper extrusion surface, and the two first upper extrusion surfaces and the two second upper extrusion surfaces are located on two Between the third upper extrusion surfaces, the height of the third upper extrusion surface is greater than that of the first upper extrusion surface.

The lower mold core plate includes a first lower extrusion surface opposite to the first upper extrusion surface, a second lower extrusion surface opposite to the second upper extrusion surface, and a second lower extrusion surface opposite to the third upper extrusion surface. The third lower extrusion surface opposite to the upper extrusion surface, the second lower extrusion surface is located between the first lower extrusion surface and the third lower extrusion surface, the first lower extrusion surface and the third lower extrusion surface is a horizontal plane, and the second lower extruding surface is an inclined plane arranged obliquely.

The length of the first lower pressing surface is shorter than the length of the third lower pressing surface, and the height of the third lower pressing surface is greater than that of the first lower pressing surface.

The lower mold assembly also includes lower mold reinforcing rods connected with all lower mold core plates.

The lower mold assembly also includes a limiting plate arranged on the lower template, two limiting plates are provided, the lower mold core plate and the stripping plate are located between the two limiting plates, the limiting plate A guide groove is provided on the top to allow the release plate to be embedded.

The upper mold assembly also includes a guide sleeve arranged on the upper template, and the lower mold assembly further includes a guide post arranged on the lower template, and the guide post is inserted into the guide sleeve.

The forklift side panel molding die of the present invention has the following advantages:

1. The upper and lower core boards of the mold are combined in sheet form. The processing of each core board only needs to be laser cut and polished. The processing conditions and technical requirements are relatively low, and it can be produced by itself.

2. The overall mold opening cost is greatly reduced compared with traditional molds, which can significantly reduce production costs. It is suitable for small batch production and has rigid demand for molds.

3. The mold is easy to assemble, and has a relatively simple structure while ensuring the function, and can easily realize the positioning and pressing of parts. And some key components (such as positioning plate) can be easily repaired or replaced, so the mold has the characteristics of convenient maintenance.

Description of drawings

This manual includes the following drawings, the contents shown are:

Fig. 1 is the structural representation of forklift side plate molding die of the present invention;

Fig. 2 is a structural schematic diagram of the blank placed behind the forklift side plate molding die;

Fig. 3 is a schematic view of the structure of the side plate of the forklift after forming;

Fig. 4 is the structural representation of upper mold assembly;

Fig. 5 is the structural representation of lower mold assembly;

Fig. 6 is the structural representation of upper die core plate;

Fig. 7 is the structural representation of lower mold core plate;

Fig. 8 is the structural representation of stripping template;

Marked in the figure: 1, upper template; 2, upper mold core plate; 201, first upper extrusion surface; 202, second upper extrusion surface; 203, third upper extrusion surface; 3, lower template; 4 , core plate of the lower die; 401, the first lower extrusion surface; 402, the second lower extrusion surface; 403, the third lower extrusion surface; 5, stripping plate; 6, positioning plate; 7, guide sleeve; 8, Guide column; 9. Reinforcing rod of the upper die; 10. Reinforcing rod of the lower die; 11. Limiting plate; 12. Bottom plate of the lower die; 13. Vertical plate of the lower die; 14. Blank; .

detailed description

The specific embodiment of the present invention will be described in further detail by describing the embodiments below with reference to the accompanying drawings, the purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solutions of the present invention, and contribute to its implementation.

As shown in Figures 1 to 8, the present invention provides a forklift side plate molding die, including a lower mold assembly, an upper mold assembly, a stripper plate 5 arranged on the lower mold assembly and a stripper plate 5 The upper positioning plate 6, the upper mold assembly includes the upper template 1 and the upper mold core plate 2 arranged on the upper template 1, and the lower mold assembly includes the lower template 3 and is arranged on the lower template 3 and is connected with the upper mold core plate 2 Matching lower mold core plate 4.

Specifically, as shown in Figures 1 to 4, the upper mold plate 1 is a rectangular flat plate arranged horizontally, the upper mold core plate 2 is vertically arranged, and the length direction of the upper mold core plate 2 is parallel to the length direction of the upper mold plate 1 , the thickness direction of the upper mold core plate 2 is parallel to the width direction of the upper mold plate 1, and there are multiple upper mold core plates 2, and all the upper mold core plates 2 are arranged in sequence along the width direction of the upper mold plate 1, and the adjacent two The side surfaces of the upper mold core plate 2 are attached together, and the upper mold core plate 2 is fixedly arranged on the bottom surface of the upper mold plate 1 . The upper die assembly also includes upper die reinforcing rods 9 connected with all upper die core plates 2 , the length direction of the upper die reinforcing rods 9 is parallel to the thickness direction of the upper die core plates 2 , and there are multiple upper die reinforcing rods 9 .

As shown in Fig. 1 to Fig. 3 and Fig. 5, the lower template 3 is a rectangular flat plate arranged horizontally, the lower mold core plate 4 is vertically arranged, and the length direction of the lower mold core plate 4 is parallel to the length direction of the lower template 3, The thickness direction of the lower die core plate 4 is parallel to the width direction of the lower template 3, the length direction of the upper template 1 is parallel to the length direction of the lower template 3, and the width direction of the upper template 1 is parallel to the width direction of the lower template 3. There are multiple lower mold core plates 4, and all the lower mold core plates 4 are arranged in two rows. The width direction of the two adjacent lower mold core plates 4 are arranged in sequence, and the side surfaces of two adjacent lower mold core plates 4 are attached, and the lower mold core plates 4 are fixedly arranged on the top surface of the lower formwork 3 . The lower mold assembly also includes lower mold reinforcement bars 10 connected with all lower mold core plates 4 , the length direction of the lower mold reinforcement bars 10 is parallel to the thickness direction of the lower mold core plates 4 , and there are multiple lower mold reinforcement bars 10 .

During the stamping process, the forklift side plate molding die is installed on the hydraulic press, and the upper mold core plate 2 is used to contact the blank 14 below to apply downward pressure on the blank 14. The upper mold core plate 2 and the The lower mold core plate 4 cooperates with the stripper plate 5 to extrude the blank 14 so that the blank 14 is stamped and formed into a forklift side plate.

As shown in Fig. 1 to Fig. 3, Fig. 5 and Fig. 8, the lower die assembly also includes a lower die base plate 12, a limiting plate 11 arranged on the lower die plate 3, and a position between the lower die base plate 12 and the lower die plate 3 The lower mold riser 13. Limiting plate 11 is provided with two, and limiting plate 11 is vertically arranged on the top surface of lower template 3, and two limiting plates 11 are on the same straight line parallel to the width direction of lower template 3, and lower mold core plate 4 The stripping plate 5 is located between the two limiting plates 11, and the limiting plate 11 is provided with a guide groove for the stripping plate 5 to embed. The stripping plate 5 has a rectangular structure, and the stripping plate 5 is arranged horizontally. The stripping plate 5 is located above the lower template 3. The two ends of the stripping plate 5 are respectively embedded in the guide grooves provided on the two limit plates 11. During the stamping process, , the limiting plate 11 plays a guiding role for the stripping plate 5, guides the stripping plate 5 to move linearly in the vertical direction through the limiting plate 11, ensures the stable operation of the stripping plate 5, and helps to improve the quality of the formed product.

As shown in Fig. 1 to Fig. 3 and Fig. 5, the lower mold base plate 12 is a rectangular flat plate arranged horizontally, the lower mold base plate 12 is located below the lower template 3, the lower mold vertical plate 13 is vertically arranged, and the lower mold vertical plate 13 is set Multiple, all the lower mold vertical plates 13 are arranged in sequence along the length direction of the lower mold bottom plate 12 and distributed equidistantly, the upper end of the lower mold vertical plate 13 is fixedly connected with the lower formwork 3, and the lower end of the lower mold vertical plate 13 is connected with the lower mold The bottom plate 12 is fixedly connected.

As shown in Figures 1 to 5, the upper mold assembly also includes a guide sleeve 7 arranged on the upper template 1, and the lower mold assembly also includes a guide post 8 arranged on the lower template 3, and the guide post 8 is inserted into the guide sleeve 7 , the guide post 8 is a cylinder, the axis of the guide post 8 is a vertical line, the lower end of the guide post 8 is fixedly connected with the lower template 3, the guide sleeve 7 is a cylinder with an open lower end and a hollow inside, the guide post 8 and the guide sleeve 7 The upper end of the guide post 8 is inserted into the guide sleeve 7, and the upper end of the guide sleeve 7 is fixedly connected with the upper template 1. The guide post 8 cooperates with the guide sleeve 7 to play a guiding role in the stamping process. There are multiple guide bushes 7, the number of guide pillars 8 is the same as that of the guide bushes 7, and each guide pillar 8 is arranged coaxially with one guide bush 7 respectively.

As shown in Figures 1 to 5, in this embodiment, four guide sleeves 7 are provided in total, and the four guide sleeves 7 are respectively arranged at four right-angled corners of the upper mold 1, and the four guide sleeves 7 are distributed on the upper mold Around the outside of the core plate 2, four guide pillars 8 are correspondingly arranged, and two rows of lower mold core plates 4 are distributed around the outside of the four guide pillars 8.

After the forklift side panel molding die is installed on the hydraulic press, the upper plate 1 is connected to the upper press head of the hydraulic press, and the upper press head exerts downward pressure on the upper die assembly, driving the upper die assembly to move linearly in the vertical direction . The bottom plate 12 of the lower mold is installed on the hydraulic press, and the hydraulic cylinder of the hydraulic press exerts upward pressure on the stripper plate 5. The stripper plate 5 is located above the hydraulic cylinder. During the stamping process of the blank 14, the upper mold assembly moves downward. After the stripping plate 5 is subjected to the downward pressure exerted by the upper mold assembly, the stripping plate 5 will move downward. After stamping and forming, the blank 14 is formed into a forklift side plate, and the hydraulic cylinder exerts upward pressure on the stripping plate 5 to push the stripping plate 5 to move upward, and the stripping plate 5 pushes the forklift side plate to move upward, and the formed forklift side plate The plate is lifted up, which is convenient for the operator to take the material.

As shown in Figure 5, the lower template 3 and the lower mold bottom plate 12 are each provided with an avoidance hole for the hydraulic cylinder of the hydraulic press to pass through. below.

As shown in Figures 1 to 3, the positioning plate 6 is fixedly arranged on the top surface of the stripping plate 5, the positioning plate 6 is used to position the blank 14, and the positioning plate 6 is provided with a hole for the end of the blank 14 to embed. The positioning groove, the shape of the positioning groove matches the shape of the end of the blank 14 to ensure that the position of the blank 14 is accurate, which helps to improve the quality of the product after forming.

As shown in Fig. 1 to Fig. 3, two positioning grooves are set on the positioning plate 6, and the two positioning grooves are respectively arranged on the opposite ends of the positioning plate 6, and two positioning grooves are set, so that the positioning plate 6 can simultaneously align two positioning grooves. The blanks 14 are positioned so that the mold can press and form two blanks 14 at the same time, and two forklift side plates are formed by one stamping, which helps to improve production efficiency. When placing the blanks 14 , put one end of the two blanks 14 into a positioning groove on the positioning plate 6 respectively, and place the other ends of the two blanks 14 on a row of lower core plates 4 respectively.

As shown in Fig. 4 and Fig. 6, the upper mold core plate 2 includes a first upper extrusion surface 201, a second upper extrusion surface 202 and a third upper extrusion surface 203, and the second upper extrusion surface 202 is located on the first upper extrusion surface. Between the extrusion surface 201 and the third upper extrusion surface 203, the first upper extrusion surface 201 and the third upper extrusion surface 203 are horizontal planes, the second upper extrusion surface 202 is an inclined plane arranged obliquely, and the second upper extrusion surface 202 is an inclined plane arranged obliquely. There is an included angle between the length direction of the extrusion surface 202 and the length directions of the first upper extrusion surface 201 and the third upper extrusion surface 203 and the included angle is an obtuse angle. The first upper extrusion surface 201, the second upper extrusion surface 202 and the third upper extrusion surface 203 are provided with two, and the two first upper extrusion surfaces 201 and the two second upper extrusion surfaces 202 are located on the two second upper extrusion surfaces. Between the three upper extrusion surfaces 203, two second upper extrusion surfaces 202 are distributed in a V shape, the height of the third upper extrusion surface 203 is greater than the height of the first upper extrusion surface 201, and the two first upper extrusion surfaces The surfaces 201 are at the same height, the two third upper extrusion surfaces 203 are at the same height, the two first upper extrusion surfaces 201 are arranged in sequence along the length direction of the upper mold core plate 2, and the two first upper extrusion surfaces 201 Located above the release plate 5. The upper end of each second upper pressing surface 202 is connected with one end of a third upper pressing surface 203 , and the lower end of each second upper pressing surface 202 is connected with one end of a first upper pressing surface 201 . During the stamping process, the first upper extrusion surface 201 will be in contact with the upper surface of the blank 14 and the upper surface of the positioning plate 6, and the second upper extrusion surface 202 and the third upper extrusion surface 203 will be in contact with the blank 14. contact with the upper surface. The length of the first lower extrusion surface 401 is less than the length of the third lower extrusion surface 403 , and the height of the third lower extrusion surface 403 is greater than the height of the first lower extrusion surface 401 .

As shown in FIGS. 5 and 7 , the lower mold core plate 4 includes a first lower extrusion surface 401 opposite to the first upper extrusion surface 201 and a second lower extrusion surface opposite to the second upper extrusion surface 202. surface 402 and the third lower extrusion surface 403 opposite to the third upper extrusion surface 203, the second lower extrusion surface 402 is located between the first lower extrusion surface 401 and the third lower extrusion surface 403, the first The lower extrusion surface 401 and the third lower extrusion surface 403 are horizontal planes, the second lower extrusion surface 402 is an inclined plane arranged obliquely, the length direction of the second lower extrusion surface 402 is the same as that of the first lower extrusion surface 401 and the second The length directions of the three lower pressing surfaces 403 have an included angle and the included angles are obtuse angles, and the length direction of the second lower pressing surface 402 is parallel to the length direction of the second upper pressing surface 202 . The first lower extrusion surface 401, the second lower extrusion surface 402 and the third lower extrusion surface 403 are provided with one, the height of the third lower extrusion surface 403 is greater than the height of the first lower extrusion surface 401, and the second lower extrusion surface 403 The upper end of the pressing surface 402 is connected to one end of the third lower pressing surface 403 , and the lower end of the second lower pressing surface 402 is connected to one end of the first lower pressing surface 401 . During the stamping process, the first lower pressing surface 401 , the second lower pressing surface 402 and the third lower pressing surface 403 are in contact with the lower surface of the blank 14 and the upper surface of the positioning plate 6 . During the pressing down process of the upper mold assembly, when the upper mold core plate 2 contacts the blank 14, the first upper extrusion surface 201 cooperates with the first lower extrusion surface 401 and the stripping plate 5 to clamp the first part of the blank 14. A part, the second upper extrusion surface 202 cooperates with the second lower extrusion surface 402 and the release plate 5 to clamp the second part of the blank 14, the third upper extrusion surface 203 and the third lower extrusion surface 403 and The stripping plate 5 cooperates to clamp the third part of the blank 14; after the upper mold assembly continues to press down, the blank 14 will be bent and deformed to form a forklift side plate.

The present invention has been exemplarily described above with reference to the accompanying drawings. Apparently, the specific implementation of the present invention is not limited by the above methods. As long as various insubstantial improvements are made using the method concept and technical solution of the present invention; or without improvement, the above-mentioned concept and technical solution of the present invention are directly applied to other occasions, all within the protection scope of the present invention within.

Claims (10)

1. Fork truck curb plate die mould, its characterized in that: the upper die assembly comprises an upper die plate and an upper die core plate arranged on the upper die plate, and the lower die assembly comprises a lower die plate and a lower die core plate arranged on the lower die plate and matched with the upper die core plate.

2. The forklift side panel compression mold of claim 1, wherein: the lower die core plates are arranged in a plurality of rows, and the stripper plate is positioned between the two rows of lower die core plates.

3. The forklift side panel compression mold of claim 1, wherein: the upper die core plates are arranged in a plurality of numbers, and the upper die assembly further comprises upper die reinforcing rods connected with all the upper die core plates.

4. The forklift side plate profiling mold according to any one of claims 1 to 3, wherein: the upper die core plate comprises a first upper extrusion surface, a second upper extrusion surface and a third upper extrusion surface, the second upper extrusion surface is positioned between the first upper extrusion surface and the third upper extrusion surface, the first upper extrusion surface and the third upper extrusion surface are horizontal planes, and the second upper extrusion surface is an inclined plane which is obliquely arranged.

5. The forklift side plate profiling mold of claim 4, wherein: the two first upper extrusion surfaces and the two second upper extrusion surfaces are located between the two third upper extrusion surfaces, and the height of each third upper extrusion surface is larger than that of each first upper extrusion surface.

6. The forklift side profiling mold as recited in claim 4, wherein: the lower die core plate comprises a first lower extrusion surface, a second lower extrusion surface and a third lower extrusion surface, wherein the first lower extrusion surface is opposite to the first upper extrusion surface, the second lower extrusion surface is opposite to the second upper extrusion surface, the third lower extrusion surface is opposite to the third upper extrusion surface, the second lower extrusion surface is positioned between the first lower extrusion surface and the third lower extrusion surface, the first lower extrusion surface and the third lower extrusion surface are horizontal planes, and the second lower extrusion surface is an inclined plane.

7. The forklift side panel compression mold of claim 6, wherein: the length of the first lower extrusion surface is smaller than that of the third lower extrusion surface, and the height of the third lower extrusion surface is larger than that of the first lower extrusion surface.

8. The forklift side plate profiling mold according to any one of claims 1 to 7, wherein: the lower die assembly also comprises lower die reinforcing rods connected with all lower die core plates.

9. The forklift side plate profiling mold according to any one of claims 1 to 8, wherein: the lower die assembly further comprises two limiting plates arranged on the lower die plate, the lower die core plate and the stripper plate are located between the two limiting plates, and the limiting plates are provided with guide grooves for embedding the stripper plate.

10. The forklift side plate profiling mold according to any one of claims 1 to 9, wherein: the upper die assembly further comprises a guide sleeve arranged on the upper die plate, the lower die assembly further comprises a guide pillar arranged on the lower die plate, and the guide pillar is inserted into the guide sleeve.

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