CN105328031B - A kind of Box-Shaped Drawing test mould of length and width Parameter adjustable - Google Patents

Abstract

The invention discloses a box-shaped part drawing test mold with adjustable length and width parameters, which is composed of a base plate, a slide plate assembly, a blank holder, and a connecting plate; The surface is provided with a chute, and the lower surface of the slide plate of the slide assembly is provided with a slide rail, and each slide plate and the base plate are installed through the slide rail and the slide groove. Adjust the slide plate to the required value of the length and width parameters of the cavity according to the test requirements, and fix it through the set screw holes on the side of the base plate and the set bolts; place the blank after the adjusted box-shaped cavity die, and place the blank holder On the upper surface of the slide plate of the slide plate assembly, press the plate material and fix it through positioning pins respectively. The test mold moves the sliding plate of the sliding plate assembly according to the size requirements of the box-shaped parts, and can combine the mold cavity required for drawing box-shaped parts with different length and width parameters. It is easy to operate and has a high degree of flexibility. Manufacturing cost, shorten manufacturing cycle, improve efficiency.

Description

A deep-drawing test die for box-shaped parts with adjustable length and width parameters

technical field

The invention belongs to the technical field of sheet metal stamping and deep drawing, and in particular relates to a box-shaped drawing test die with adjustable length and width parameters.

Background technique

Box-shaped drawing dies are generally used for stamping and forming of sheet metal materials, and draw rectangular box-shaped parts of different sizes with certain rounded corners according to different needs. From the perspective of geometric shape, the rectangular box-shaped part can be divided into two straight sides with a length of L-2R and two straight sides with a width of W-2R plus four 1/4 rounded corners with a radius of R. In the patent CNIO2527806A, a mold for manufacturing box-shaped parts is disclosed. The blank-holding area of the box-shaped part is divided into eight parts according to the straight edge area and the rounded corner area, and the independent movement of each blank-holder ring part in the vertical direction is realized. Thus, the size of the blankholder area can be adjusted. The disadvantage of this forming die is: because the parameters of the deep drawing forming die are not one set, in actual production, there will be multiple sets of different length and width parameters, but the size adjustment of this die depends on the replacement of components in each part, the size The adjustment is limited to the combination of modules that have been processed, and the size adjustment range is limited. The assembly and replacement of various parts of the mold is more complicated, and the manufacturing cycle is long.

Contents of the invention

In order to avoid the deficiencies of the prior art, the present invention proposes a box-shaped part drawing test die with adjustable length and width parameters. According to the test requirements, the mold draws box-shaped parts with different length and width parameters. As long as the components of the mold are moved, the required length and width can be obtained, so as to draw box-shaped parts of different shapes to reduce mold design and manufacturing costs. , shorten the processing cycle and improve efficiency.

The technical solution adopted by the present invention to solve its technical problems is: comprising a base plate, a slide plate assembly, a blank holder, and a connecting plate, and is characterized in that the base plate is fixed on the machine tool table, and the upper surface of the base plate is provided with a first chute, a second The second chute and the fourth chute, the first chute and the fourth chute are arranged in parallel, and perpendicularly intersect with the second chute on the same plane, and a number of screw holes are evenly distributed on the side of the substrate close to the chute, and communicate with the chute;

The slider assembly includes a first slider, a second slider, a third slider, and a fourth slider. The slider assembly is located on the base plate. The upper surface of each slider is provided with a slider positioning pin hole diagonally. The two ends of the slider are respectively inclined and flat. One side is a draft slope; the structure of the first slide plate is the same as that of the second slide plate, and the bottom surface of the two slide plates has a slide rail with the same length as the slide plate in the axial direction, which are respectively connected to the first slide groove and the second slide groove on the base plate. Cooperate; the third slide is located inside the fourth slide, one side of the third slide is a draft slope, and one end of the slide is a slope to match the draft of the fourth slide; the upper surface of the fourth slide has a slide rail and a connecting plate The chute on the bottom surface cooperates, and the slide rail on the lower surface of the fourth slide plate cooperates with the fourth chute on the base plate;

There is a third chute in the axial direction on the lower surface of the connecting plate, the chute is the same length as the connecting plate, a number of screw holes are evenly distributed on one side of the connecting plate to communicate with the chute, one end of the upper surface of the connecting plate has a screw hole, and the connecting plate is connected to the first Three slides are fixedly connected.

The inclination angle θ of the draft angle of each slide is 20° to 90°.

Positioning pin holes are arranged diagonally on the upper surface of the clamping plate, the clamping plate is fixed on the slide assembly, and the positioning pin holes on the clamping plate are coaxial with the positioning pin holes of the slide plate.

Beneficial effect

The invention proposes a box-shaped part drawing test die with adjustable length and width parameters, which is used for drawing and forming box-shaped parts of different sizes in sheet metal processing. According to the size of the box-shaped part required by the test, the ratio of any length and width parameters of the box-shaped part mold can be realized by adjusting the relative position between the slide plate components.

The test mold of the present invention is composed of a base plate, a slide plate assembly, a blank holder, and a connecting plate; the base plate is fixed on the machine tool table, and the slide plate assembly is located on the upper surface of the base plate; Rails, and each slide plate is installed with the base plate through slide rails and chute slots. Adjust the slide plate to the required value of the length and width parameters of the cavity according to the test requirements, and fix it through the screw holes on the side of the base plate and the set bolts; place the sheet material after the adjusted box-shaped cavity die, and place the blank holder on the slide plate The upper surface of the slide plate of the component is pressed against the sheet metal and fixed by positioning pins respectively. The test mold moves the slide plate of the slide plate assembly according to the size requirements of the box-shaped parts, and can combine the mold cavity required for drawing box-shaped parts with different length and width parameters. It has a high degree of flexibility and is easy to operate, effectively reducing the cost of mold design and Reduce manufacturing cost, shorten manufacturing cycle, improve efficiency and quality.

Description of drawings

A box-shaped part drawing test mold with adjustable length and width parameters according to the present invention will be further described in detail in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a schematic diagram of a drawing test mold for a box-shaped part with adjustable length and width parameters according to the present invention.

Fig. 2 is an overall schematic diagram of the lower mold of the present invention.

FIG. 3 is a schematic diagram of the substrate of the present invention.

Fig. 4 is a schematic diagram of the first slide plate of the present invention.

Fig. 5 is a schematic diagram of the second slide plate of the present invention.

Fig. 6 is a schematic diagram of a third slide of the present invention.

Fig. 7 is a schematic diagram of a fourth slide of the present invention.

Figure 8 is a schematic diagram of a blank holder.

Figure 9 is a working principle diagram.

In the picture:

1. Base plate 2. First slide plate 3. Second slide plate 4. Third slide plate 5. Fourth slide plate 6. Edge plate 7. Connecting plate 8. First chute 9. Second chute 10. Third chute 11. The fourth chute 12. The first slide rail 13. The second slide rail 14. The third slide rail 15. The fourth slide rail 16. Screw hole 17. Set bolt 18. Skateboard positioning pin hole 19. Positioning pin hole 20. Locating pin

detailed description

This embodiment is a box-shaped part drawing test mold with adjustable length and width parameters.

working principle:

Referring to Figure 9, among the combined sliders, a rectangular concave shape of any size can be combined by moving the four sliders A, B, C, and D. During the movement of the slider, if the A slider is fixed at the top of the substrate, the side b ₂ of the B slider can only slide against the side a ₁ of the A slider along the x direction, that is, there is only one translation freedom degree; similarly, the side d ₁ of the D slider can only slide along the y direction against the other side a ₂ of the A slider, that is, there is only one translational degree of freedom; the C slider needs to move along the x , and move freely in the y direction to keep the side c ₁ of the C slider close to the side d ₂ of the D slider, and the side c ₂ to the side b _1. However, the C slider is not easy to fix at this time, if The C slider is connected to the D slider through the slide rail located on the D slider, so that the side c ₁ of the C slider can be attached to the side d ₂ of the D slider, and the C slider can be aligned with the D slider. Move in the x direction, and at the same time, driven by the D slider, the side c ₂ of the C slider is attached to the side b ₁ of the B slider to slide in the y direction.

The present invention will be further described now in conjunction with specific implementation examples and accompanying drawings.

Referring to Fig. 1 to Fig. 8, the box-shaped part drawing test mold with adjustable length and width parameters in this embodiment is composed of a base plate 1, a slide plate assembly, a blank holder 6, and a connecting plate 7; the base plate 1 is fixedly installed on the machine tool table , the upper surface of the substrate 1 is provided with a first chute 8, a second chute 9 and a fourth chute 11, the first chute 8 and the fourth chute 11 are arranged in parallel, and are respectively on the same plane as the second chute 9 Vertically intersecting, there are several screw holes 16 evenly distributed on the side of the base plate 1 close to the chute, and communicated with the chute.

The skateboard assembly includes a first slide plate 2, a second slide plate 3, a third slide plate 4, and a fourth slide plate 5. The slide plate assembly is installed on the base plate 1, and the upper surface of each slide plate is diagonally provided with a slide plate positioning pin hole 18, and the two ends of the slide plate are respectively Slopes and planes, one side of the skateboard is a draft slope. The first slide plate 2 has the same structure as the second slide plate 3, and the bottom surface of the first slide plate 2 and the second slide plate 3 have slide rails with the same length as the slide plate in the axial direction, and are respectively connected with the first slide groove 8 and the second slide groove on the base plate 1. 9 to match. The 3rd slide plate 4 is installed in the inside of the 4th slide plate 5, and one side of the 3rd slide plate 4 is a drafting slope, and the end face of the 3rd slide plate 4 is a slope and cooperates with the drafting slope of the 4th slide plate 5. There are slide rails on the upper surface of the fourth slide plate 5 to cooperate with the chute on the bottom surface of the connecting plate 7 , and there are slide rails on the lower surface of the fourth slide plate 5 to cooperate with the fourth slide groove 11 on the base plate 1 . There is a third chute 10 in the axial direction on the lower surface of the connecting plate 7, and the length of the chute is the same as that of the connecting plate 7; a number of screw holes 16 are evenly distributed on one side of the connecting plate 7 to communicate with the chute, and one end of the upper surface of the connecting plate 7 has two screw holes. The hole 16, the connecting plate 7 and the third sliding plate 4 are fixedly connected through screw holes and bolts. The inclination angles θ of the draft slopes of the first slide plate 2 , the second slide plate 3 , the third slide plate 4 and the fourth slide plate 5 are all 20° to 90°.

Positioning pin holes 19 are arranged diagonally on the upper surface of the clamping plate 6 , and the clamping plate 6 is fixedly mounted on the slide assembly. The positioning pin holes 19 on the clamping plate 6 are coaxial with the positioning pin holes 18 of the slide plate. The length of the clamping plate 6 is identical to the length 2 of the first slide plate, and the width and the size of the fillet portion of the clamping plate 6 are identical to the width and the size of the fillet portion on the second slide plate 3 .

The deep drawing forming process of this embodiment:

During the deep drawing process, the substrate 1 is placed on the machine tool platform and fixed, then the first slide rail 12 of the first slide plate 2 is slid into the first slide groove 8, and the second slide rail 13 of the second slide plate 3 is slided into The second slide groove 9 , the third slide rail 14 of the fourth slide plate 5 slides into the third slide groove 10 , and the fourth slide rail 15 of the fourth slide plate 5 slides into the fourth slide groove 11 . Move the first slide plate 2 and the second slide plate 3 so that the first slide plate 2 and the second slide plate 3 are close to the hypotenuses of the two slide plates, and adjust the distance between the third slide plate 4 and the first slide plate 2; the movement adjustment process ensures that the second slide plate 3 Close to the side of the third sliding plate 4, when the required length of the box-shaped piece is reached, tighten the fastening bolts 17 on the sides of the first chute 8 and the second chute 9, so that the first sliding plate 2 and the second chute Skateboard 3 is fixed in position. Move and adjust the distance between the fourth slide 5 and the second slide 3. When the required width of the box is reached, tighten the fastening bolt 17 on the side of the fourth chute 11 to fix the position of the fourth slide 5; The third slide plate 4 is in close contact with the side of the second slide plate 3, and the fixing bolts 17 on the side of the third chute 10 are tightened to fix the position of the third slide plate 4. The assembly of the deep drawing model cavity of the test mold is completed. Place the sheet metal material that needs to be drawn into the deep drawing model cavity that has been assembled and debugged, and then place the blank holder 6 that prevents the wrinkling of the sheet metal material on the first slide plate 2, the second slide plate 3, and the third slide plate in sequence. Sliding plate 4 and the top of the fourth sliding plate 5 are matched with the positioning pin hole 19 on the blank holder 6 and the positioning pin hole 18 on the sliding plate, and the positioning pin 20 is used for positioning to determine its position and limit its plane direction. move.

Claims (3)

1. a box-shaped part drawing test mold with adjustable length and width parameters, comprising base plate, slide plate assembly, blank holder, connecting plate, it is characterized in that: described base plate is fixed on the machine tool workbench, and the upper surface of base plate has The first chute, the second chute and the fourth chute, the first chute and the fourth chute are arranged in parallel, and perpendicularly intersect with the second chute respectively on the same plane, and the first chute and the second chute A number of screw holes are evenly distributed on the side of the substrate near the groove and the fourth chute, and communicate with the first chute, the second chute and the fourth chute; The slider assembly includes a first slider, a second slider, a third slider, and a fourth slider. The slider assembly is located on the base plate. The upper surface of each slider is provided with a slider positioning pin hole diagonally. The two ends of the slider are respectively inclined and flat. One side is a draft slope; the structure of the first slide plate is the same as that of the second slide plate, and the bottom surface of the two slide plates has a slide rail with the same length as the slide plate in the axial direction, which are respectively connected to the first slide groove and the second slide groove on the base plate. Cooperate; the third slide plate is located inside the fourth slide plate, one side of the third slide plate is a draft slope, and one end face of the third slide plate is a slope to match the draft slope of the fourth slide plate; the upper surface of the fourth slide plate has a slide rail and The chute on the bottom surface of the connecting plate cooperates, and the slide rail on the lower surface of the fourth sliding plate cooperates with the fourth chute on the base plate; There is a third chute in the axial direction on the lower surface of the connecting plate, the length of the third chute is the same as that of the connecting plate, a number of screw holes are evenly distributed on one side of the connecting plate to communicate with the third chute, and one end of the upper surface of the connecting plate has a screw hole, The connecting plate is fixedly connected with the third slide plate. 2. the box-shaped part drawing test die with adjustable length and width parameters according to claim 1, is characterized in that: the inclination angle θ of each slide plate draft slope is 20～90 °. 3. the adjustable box-shaped part drawing test die of length and width parameters according to claim 1, is characterized in that: the upper surface of the clamping plate is diagonally provided with positioning pin holes, and the clamping plate is fixed on the slide plate assembly , The positioning pin hole on the blank holder is coaxial with the positioning pin hole on the slide plate.