Punch forming device

Abstract

A punch forming device comprises a bottom plate, a plurality of supporting rods are installed on the bottom plate, an upper plate is installed at the upper ends of the supporting rods, a hydraulic cylinder is installed on the upper plate, a lower pressing plate is arranged at the movable end of the hydraulic cylinder, a plurality of guide rods are arranged on the lower pressing plate and penetrate through the upper plate, and a plurality of punching strips, punching blocks and punching round rods are arranged on the lower wall of the lower pressing plate. The stamping strips are used for stamping forming of the dividing holes, the stamping blocks are used for stamping forming of the interval holes, and the stamping round rods are used for stamping forming of the positioning holes. A plurality of spring pins are arranged on the lower pressing plate in a penetrating mode, the lower ends of the spring pins are sleeved with springs, the springs are located at the lower end of the lower pressing plate, positioning plates are arranged at the lower ends of part of the spring pins, and positioning pressing blocks are arranged at the lower ends of the other part of the spring pins. And the copper strip is prevented from moving along the length direction to influence the punch forming quality. And the positioning plates play a role in positioning the two sides of the copper strip so as to prevent the positions of the segmentation holes from deviating.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping and forming, in particular to a stamping and forming device. Background Art

[0002] like Figure 4 The figure shows a structure diagram of a plate after stamping, which is a long strip structure, and is provided with spacing holes 10 in an array at equal intervals, and a plurality of split holes 12 are provided between each two adjacent spacing holes 10, and a plurality of pins 11 are formed by the split holes 12, and a positioning hole 13 is provided between two adjacent spacing holes 10. This stamping structure is used for forming pins on the housing of an electrical connector, and the stamping device currently used lacks necessary constraints on the copper strip during forming, which causes the position of the pins 11 to be offset, thereby affecting the quality of the housing. Utility Model Content

[0003] The utility model provides a stamping and forming device to solve the above-mentioned deficiencies of the prior art, solves the problem of inaccurate positioning during stamping and forming, and has strong practicability.

[0004] In order to achieve the purpose of this utility model, the following technologies are proposed:

[0005] A stamping forming device comprises a base plate, a plurality of support rods are installed on the base plate, an upper plate is installed on the upper ends of the support rods, a hydraulic cylinder is installed on the upper plate, a lower pressure plate is provided at the movable end of the hydraulic cylinder, a plurality of guide rods are provided on the lower pressure plate, the guide rods pass through the upper plate, a plurality of stamping strips, stamping blocks and stamping round rods are provided on the lower wall of the lower pressure plate, the stamping strips are used for stamping forming of dividing holes, the stamping blocks are used for stamping forming of spacing holes, and the stamping round rods are used for stamping forming of positioning holes.

[0006] The lower pressing plate is provided with a plurality of spring pins, and the lower end of the spring pins is provided with a spring, and the spring is located at the lower end of the lower pressing plate. The lower end of some of the spring pins is provided with a positioning plate, and the lower end of another part of the spring pins is provided with a positioning block. During the stamping process, the positioning block plays a role in positioning the copper strip to prevent the copper strip from moving along its length direction and affecting the quality of stamping. The positioning plate plays a role in positioning the two sides of the copper strip to prevent the position of the split hole from being offset.

[0007] A pair of support blocks are installed on the bottom plate, a stamping pad is provided at the upper end of the support block, a groove is provided on the upper wall of the stamping pad, a first stamping hole matching the shape of the stamping block is provided at the bottom of the groove, a plurality of second stamping holes matching the shape of the stamping strip are provided at the bottom of the groove, a punching hole matching the shape of the stamped round rod is provided at the bottom of the groove, and the first stamping hole, the second stamping hole and the punching hole are arranged in the vacant position at the lower end of the stamping pad to facilitate the removal of waste after stamping.

[0008] Furthermore, one end of the stamping strip is a first rectangular block, a second rectangular block is provided on one side of the first rectangular block, the width of the second rectangular block is smaller than the width of the first rectangular block, and the junction between the first rectangular block and the second rectangular block is a slope, so that the outer shape structure of the dividing hole can be matched through this setting.

[0009] Furthermore, one end of the punching block is a third rectangular block, a fourth rectangular block is provided on one side of the third rectangular block, and the width of the third rectangular block is greater than the width of the fourth rectangular block. This arrangement is used to match the outer shape structure of the spacing hole.

[0010] Furthermore, a positioning groove is formed on the inner wall of the positioning plate, and an inclined wall is formed on the inner wall of the lower end of the positioning groove. The positioning groove acts on both sides of the copper strip to constrain the copper strip to avoid position deviation during stamping.

[0011] Furthermore, a plurality of slots are provided on both sides of the stamping pad, and the positioning plates are inserted into the slots.

[0012] The advantages of the above technical solution are:

[0013] The utility model can restrain the copper strip during stamping and forming to ensure the stamping and forming quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0015] Figure 1 The three-dimensional structure of one embodiment is shown Figure 1 .

[0016] Figure 2 The three-dimensional structure of one embodiment is shown Figure 2 .

[0017] Figure 3 The three-dimensional structure of one embodiment is shown Figure 3 .

[0018] Figure 4 The structural diagram of the sheet after stamping is shown. DETAILED DESCRIPTION

[0019] like Figure 1~Figure 4As shown, a stamping forming device includes a base plate 1, on which a plurality of support rods 3 are installed, on which an upper plate 4 is installed at the upper end of the support rods 3, on which a hydraulic cylinder 40 is installed, and on which a lower pressing plate 41 is provided at the movable end of the hydraulic cylinder 40, on which a plurality of guide rods 42 are provided, which pass through the upper plate 4, and on which a plurality of stamping strips 66, a stamping block 65 and a stamping round rod are provided at the lower wall of the lower pressing plate 41. One end of the stamping strip 66 is a first rectangular block, on one side of the first rectangular block is a second rectangular block, the width of the second rectangular block is smaller than the width of the first rectangular block, and the junction between the first rectangular block and the second rectangular block is an inclined surface. One end of the stamping block 65 is a third rectangular block, on one side of the third rectangular block is a fourth rectangular block, the width of the third rectangular block is larger than the width of the fourth rectangular block.

[0020] A plurality of spring pins 60 are provided on the lower pressing plate 41, and a spring 62 is sleeved on the lower end of the spring pin 60. The spring 62 is located at the lower end of the lower pressing plate 41. A positioning plate 63 is provided at the lower end of some of the spring pins 60, and a positioning block 61 is provided at the lower end of another part of the spring pins 60. A positioning groove 64 is provided on the inner wall of the positioning plate 63, and an inclined wall is formed on the inner wall of the lower end of the positioning groove 64.

[0021] A pair of support blocks 55 are installed on the base plate 1, and a stamping pad 5 is provided at the upper end of the support block 55. A plurality of notches 51 are provided on both sides of the stamping pad 5, and a positioning plate 63 passes through the notch 51. A groove 50 is provided on the upper wall of the stamping pad 5, and a first stamping hole 52 matching the shape of the stamping block 65 is provided at the bottom of the groove 50, a plurality of second stamping holes 53 matching the shape of the stamping strip 66 are provided at the bottom of the groove 50, and a punching hole 54 matching the shape of the stamped round rod is provided at the bottom of the groove 50.

[0022] When the present embodiment is in operation, the copper strip is passed through the groove 50, and one end of the copper strip is clamped and restrained by the stepping conveying mechanism.

[0023] Then, the hydraulic cylinder 40 is started, and driven by the hydraulic cylinder 40 , the positioning block 61 and the positioning plate 63 are first contacted with the upper wall of the copper strip, and the copper strip is positioned by the positioning block 61 and the positioning plate 63 .

[0024] Then, driven by the hydraulic cylinder 40, the stamping strip 66, the stamping block 65 and the stamping round rod move downward, and at the same time the spring 62 is compressed, and finally the stamping strip 66, the stamping block 65 and the stamping round rod complete the forming of the dividing hole 12, the spacing hole 10 and the positioning hole 13.

[0025] Then the hydraulic cylinder 40 drives the punching strip 66, the punching block 65 and the punching round rod to move upward, and causes the positioning pressing block 61 to act on the copper strip, and then the copper strip is conveyed forward by the conveying mechanism.

[0026] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and their equivalents, the utility model is also intended to include these modifications and variations.

Claims

1. A stamping forming device, characterized in that: The invention comprises a bottom plate (1), a plurality of support rods (3) are mounted on the bottom plate (1), an upper plate (4) is mounted on the upper ends of the support rods (3), a hydraulic cylinder (40) is mounted on the upper plate (4), a lower pressing plate (41) is provided at the movable end of the hydraulic cylinder (40), a plurality of guide rods (42) are provided on the lower pressing plate (41), the guide rods (42) are passed through the upper plate (4), and a plurality of stamping strips (66), stamping blocks (65) and stamping round rods are provided on the lower wall of the lower pressing plate (41); A plurality of spring pins (60) are provided on the lower pressing plate (41), and a spring (62) is sleeved on the lower end of the spring pin (60). The spring (62) is located at the lower end of the lower pressing plate (41), wherein a positioning plate (63) is provided at the lower end of a portion of the spring pins (60), and a positioning pressing block (61) is provided at the lower end of another portion of the spring pins (60); A pair of support blocks (55) are mounted on the bottom plate (1); a punching pad (5) is provided at the upper end of the support block (55); a groove (50) is provided on the upper wall of the punching pad (5); a first punching hole (52) matching the shape of the punching block (65) is provided at the bottom of the groove (50); a plurality of second punching holes (53) matching the shape of the punching strip (66) are provided at the bottom of the groove (50); and a punching hole (54) matching the shape of the punched round rod is provided at the bottom of the groove (50).

2. The stamping forming device according to claim 1, characterized in that: One end of the stamping strip (66) is a first rectangular block, a second rectangular block is provided on one side of the first rectangular block, the width of the second rectangular block is smaller than the width of the first rectangular block, and the junction between the first rectangular block and the second rectangular block is an inclined surface.

3. The stamping forming device according to claim 1, characterized in that: One end of the punching block (65) is a third rectangular block, one side of the third rectangular block is provided with a fourth rectangular block, and the width of the third rectangular block is greater than the width of the fourth rectangular block.

4. The stamping forming device according to claim 1, characterized in that: The inner wall of the positioning plate (63) is provided with a positioning groove (64), and the inner wall at the lower end of the positioning groove (64) is formed with an inclined wall.

5. The stamping forming device according to claim 1, characterized in that: A plurality of notches (51) are provided on both sides of the punching pad (5), and the positioning plates (63) are inserted into the notches (51).

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