阅读说明：本技术 电子元件底脚弯折和切断专用设备 (Special equipment for bending and cutting off feet of electronic element ) 是由 卞绍德 于 2019-12-06 设计创作，主要内容包括：本发明公开了一种电子元件底脚弯折和切断专用设备,包括底座、驱动气缸、弯折切断复合模、底脚浮动切断装置和导向装置,驱动气缸的一端垂直固定在底座上侧板的一端上,弯折切断复合模设置在底座上侧板另一端上,包括弯折切断凹模、弯折凸模和切断凸模,弯折切断凹模下侧固定在底座上侧板的另一端上,弯折凸模设置在切断凸模的上侧,弯折凸模一端与弯折切断凹模一端形状匹配,弯折凸模和切断凸模通过导向装置导向。切断凸模一端与驱动气缸活塞杆端头固定连接,底脚浮动切断装置设置在弯折凸模中部与切断凸模另一端之间。本发明大大提高了电子元件底脚的弯折和切断质量,弯工效提高了10倍,且大大降低了劳动强度。(The invention discloses special equipment for bending and cutting off feet of an electronic component, which comprises a base, a driving cylinder, a bending and cutting-off compound die, a foot floating cutting-off device and a guiding device, wherein one end of the driving cylinder is vertically fixed on one end of an upper side plate of the base, the bending and cutting-off compound die is arranged on the other end of the upper side plate of the base and comprises a bending and cutting-off female die, a bending male die and a cutting-off male die, the lower side of the bending and cutting-off female die is fixed on the other end of the upper side plate of the base, the bending male die is arranged on the upper side of the cutting-off male die, one end of the bending male die. One end of the cutting male die is fixedly connected with the end of a piston rod of the driving cylinder, and the footing floating cutting device is arranged between the middle part of the bending male die and the other end of the cutting male die. The invention greatly improves the bending and cutting quality of the feet of the electronic element, improves the bending work efficiency by 10 times, and greatly reduces the labor intensity.)

1. The special device for bending and cutting off the footing of the electronic element is characterized by comprising a base, a driving cylinder, a bending and cutting-off compound die, a footing floating cutting-off device and a guiding device, wherein the base is in a groove shape with a downward opening, and one end of the driving cylinder is vertically fixed on one end of an upper side plate of the base through a vertical plate; the bending and cutting compound die is arranged at the other end of the side plate on the base and comprises a bending and cutting female die, a bending male die and a cutting male die, the lower side of one end of the bending and cutting female die is fixed at the other end of the side plate on the base through a female die backing plate, the bending male die is arranged at the upper side of the cutting male die, one end of the bending male die is matched with one end of the bending and cutting female die opposite to the end face in shape, and the bending male die and the cutting male die are respectively guided through guiding devices fixed at the; one end of the cutting male die is fixedly connected with the end of a piston rod of the driving cylinder, and the footing floating cutting device is arranged between the middle part of the bending male die and the other end of the cutting male die.

2. The special device for bending and cutting off the bottom foot of the electronic component as claimed in claim 1, wherein a positioning strip is arranged on the upper side of the longitudinal center of one end of the bending male die, symmetrical sunken platforms are arranged on two sides of the positioning strip, and a bending male die block extends outwards from the lower side of the longitudinal center of one end of the bending male die; a positioning groove matched with the positioning strip is arranged on the upper side of one end of the bending and cutting female die, a bending female die cavity matched with the bending male die block in shape is arranged on the lower side of one end of the bending and cutting female die, and step platforms matched with the sinking platforms are respectively arranged on the lower parts of the two transverse sides of the positioning groove; when the middle bottom foot of the electronic element is bent and formed, one end of the positioning strip is embedded into the positioning groove, and the end face of the positioning strip abuts against the bottom face of the positioning groove; the sinking platforms at two sides of one end of the bending male die extend into the lower sides of the step platforms at two sides of one end of the bending cutting female die, the outer end of the bending male die block of the bending male die extends into the bending female die cavity, and the middle bottom foot of the electronic component is bent into a Z shape with two right angles.

3. The special device for bending and cutting off feet of electronic components as claimed in claim 1, wherein the other end of the bending male die vertically extends upwards to form a positioning stop strip.

4. The special device for bending and cutting off the feet of the electronic components as claimed in claim 1, wherein the cutting-off male die is Z-shaped and comprises a cutting-off knife at the bottom, a vertical edge at the middle and a horizontal rod at the upper part, one end of the horizontal rod is fixedly connected with one end of a piston rod of a driving cylinder, and the lower side of the cutting-off knife is supported on the middle part of an upper side plate of the base through a backing plate; the lower side of the bending male die abuts against the upper side of the cutting-off tool.

5. The special device for bending and cutting off the feet of the electronic components as claimed in claim 1, wherein the floating cutting-off device of the feet comprises a pressure spring and a screw rod, one end of the screw rod penetrates through the vertical edge of the cutting-off male die and is screwed into the other end of the bending male die, two ends of the pressure spring sleeved on the screw rod respectively abut against the end surface of the other end of the bending male die and the inner side surface of the vertical edge of the cutting-off male die, and a limit nut is screwed on the end head of the other end of the.

6. The special device for bending and cutting off the feet of the electronic components as claimed in claim 1, wherein the guiding device comprises an upper guiding strip and symmetrically arranged lower guiding strips, the upper guiding strip is door-shaped, the lower guiding strip is right-angled, the upper part of the bending male die is embedded into a groove of the upper guiding strip, and two ends of the upper guiding strip are respectively fixed on one end of the corresponding lower guiding strip facing the bending cutting female die through upper fixing screws; two sides of the cutting male die are respectively embedded into the corresponding lower guide strips, and two ends of the lower guide strips positioned on the upper side of the base plate are respectively fixed on the middle part of the upper side plate of the base through lower fixing screws.

7. The special device for bending and cutting off the feet of the electronic components as claimed in claim 1, wherein a blanking window is arranged on the other end of the upper side plate of the base, and the blanking window is positioned on the lower side of the adjacent end of the bending and cutting-off female die and the cutting-off male die.

Technical Field

The invention relates to a forming device of an electronic element foot, in particular to a special device for completing bending and cutting off of the electronic element foot at one time, belonging to the technical field of electronic device manufacturing.

Background

Some electronic component feet need to be bent and cut before being soldered to a circuit board. The crystal 10 for a certain type of power supply box, as shown in figures 1 and 2, has a total of 3 feet, the central foot 101 being required to be bent into a Z-shape with two right angles and then cut off together with the two lateral feet 102. The existing processing procedures for bending and cutting off the feet of the electronic element are as follows: the middle foot 101 was manually bent twice at 90 ° using tweezers, and then 3 feet were cut together using a cutting die mounted on a punch press. This method of processing suffers from the following drawbacks: two 90 ° bends of the middle foot 101 take 8 seconds, the cutting of 3 feet takes 3 seconds, for a total of 11 seconds. The bending angle and span quality are uneven due to two times of manual bending at 90 degrees, and the time consumption is long. The cutting length is also controlled by the feeling of operators, which increases the processing cost and affects the subsequent circuit board assembly quality.

Disclosure of Invention

The invention aims to provide special equipment for bending and cutting off electronic element feet, which improves the quality and the work efficiency of bending and cutting off the electronic element feet.

The invention is realized by the following technical scheme:

a special device for bending and cutting off feet of an electronic element comprises a base, a driving cylinder, a bending and cutting-off compound die, a foot floating cutting-off device and a guide device, wherein the base is in a groove shape with a downward opening, and one end of the driving cylinder is vertically fixed on one end of an upper side plate of the base through a vertical plate; the bending and cutting compound die is arranged at the other end of the side plate on the base and comprises a bending and cutting female die, a bending male die and a cutting male die, the lower side of one end of the bending and cutting female die is fixed at the other end of the side plate on the base through a female die backing plate, the bending male die is arranged at the upper side of the cutting male die, one end of the bending male die is matched with one end of the bending and cutting female die opposite to the end surface in shape, and the bending male die and the cutting male die are respectively guided by guiding devices fixed at the upper side and; one end of the cutting male die is fixedly connected with the end of a piston rod of the driving cylinder, and the footing floating cutting device is arranged between the middle part of the bending male die and the other end of the cutting male die.

The object of the invention can be further achieved by the following technical measures:

furthermore, a positioning strip is arranged on the upper side of the longitudinal center of one end of the bending male die, symmetrical sinking platforms are arranged on two sides of the positioning strip, and a bending male die block extends outwards from the lower side of the longitudinal center of one end of the bending male die; a positioning groove matched with the positioning strip is arranged on the upper side of one end of the bending and cutting female die, a bending female die cavity matched with the bending male die block in shape is arranged on the lower side of one end of the bending and cutting female die, and step platforms matched with the sinking platforms are respectively arranged on the lower parts of the two transverse sides of the positioning groove; when the middle bottom foot of the electronic element is bent and formed, one end of the positioning strip is embedded into the positioning groove, and the end face of the positioning strip abuts against the bottom face of the positioning groove; the sinking platforms at two sides of one end of the bending male die extend into the lower sides of the step platforms at two sides of one end of the bending cutting female die, the outer end of the bending male die block of the bending male die extends into the bending female die cavity, and the middle bottom foot of the electronic component is bent into a Z shape with two right angles. And a positioning stop strip vertically extends upwards from the other end of the bending male die.

Furthermore, the cutting male die is Z-shaped and comprises a cutting knife at the bottom, a vertical edge in the middle and a horizontal rod at the upper part, one end of the horizontal rod is fixedly connected with one end of a piston rod of the driving cylinder, and the lower side of the cutting knife is supported on the middle part of an upper side plate of the base through a backing plate; the lower side of the bending male die abuts against the upper side of the cutting-off tool.

Furthermore, the floating foot cutting device comprises a pressure spring and a screw rod, one end of the screw rod penetrates through the vertical edge of the cutting male die and is screwed into the other end of the bending male die, two ends of the pressure spring sleeved on the screw rod respectively abut against the end face of the other end of the bending male die and the inner side face of the vertical edge of the cutting male die, and a limit nut is screwed on the end head of the other end of the screw rod.

Furthermore, the guide device comprises an upper guide strip and lower guide strips which are symmetrically arranged, the upper guide strip is door-shaped, the lower guide strip is right-angle-shaped, the upper part of the bending male die is embedded into a groove of the upper guide strip, and two ends of the upper guide strip are respectively fixed on one end of the corresponding lower guide strip, which faces the bending cutting female die, through upper fixing screws; two sides of the cutting male die are respectively embedded into the corresponding lower guide strips, and two ends of the lower guide strips positioned on the upper side of the base plate are respectively fixed on the middle part of the upper side plate of the base through lower fixing screws.

Furthermore, a blanking window is arranged at the other end of the upper side plate of the base and is positioned at the lower side of the adjacent end of the bending cutting female die and the cutting male die.

The invention has compact structure, adopts a composite structure that the bending male die is arranged at the upper side of the cutting male die, and firstly utilizes the elastic force of the pressure spring of the footing floating cutting device to push the bending male die to move in the primary stroke of the forward movement of the piston rod of the driving cylinder so as to finish the two 90-degree bending of the middle footing of the electronic element. When the piston rod of the driving cylinder continues to move forward and the pressure spring continues to be pressed, the bending male die is in a static state, and the cutting male die moves to cut off 3 feet of the electronic element. The invention greatly improves the bending and cutting quality of the feet of the electronic element, shortens the bending and cutting working hours from 11 seconds to 1 second, improves the working efficiency by 10 times, and greatly reduces the labor intensity.

Advantages and features of the present invention will be illustrated and explained by the following non-restrictive description of preferred embodiments thereof, given by way of example only with reference to the accompanying drawings.

Drawings

FIG. 1 is an enlarged front view of an electronic component;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a front view of the initial state of the present invention;

FIG. 4 is a front view of the present invention illustrating bending of the feet of the electronic component;

fig. 5 is a bottom view of fig. 4, with the bending of the feet of the electronic component completed;

fig. 6 is a bottom view of fig. 4, with the cutting of the feet of the electronic component completed;

FIG. 7 is an enlarged sectional view A-A of FIG. 4;

FIG. 8 is an enlarged perspective view of the bending punch;

fig. 9 is an enlarged perspective view of the bending and cutting die.

Detailed Description

The invention will be further explained with reference to the drawings and the embodiments of the bending and cutting of the crystal foot.

As shown in fig. 3 to 7, the present embodiment includes a base 1, a driving cylinder 2, a bending and cutting compound die 3, a footing floating cutting device 4 and a guiding device 5, the base 1 is in a groove shape with a downward opening, and includes a base upper side plate 11 and side plates 12 fixed below two sides of the base upper side plate 11, and the right end of the driving cylinder 2 is vertically fixed on the right end of the base upper side plate 11 through a vertical plate 22. The bending and cutting compound die 3 is arranged at the left end of the upper side plate 11 of the base and comprises a bending and cutting female die 31, a bending male die 32 and a cutting male die 33, the lower side of the left end of the bending and cutting female die 31 is fixed at the left end of the upper side plate 11 of the base through a female die backing plate 311, the bending male die 32 is arranged at the upper side of the cutting male die 33, and the left end of the bending male die 32 is matched with the right end of the cutting female die 31 with the end face opposite in.

As shown in fig. 8, a positioning strip 321 is disposed on the upper side of the longitudinal center of the left end of the bending male die 32, two sides of the positioning strip 321 are provided with symmetrical sinking platforms 322, and a bending male die block 323 extends outwards from the lower side of the longitudinal center of the left end of the bending male die 32. As shown in fig. 9, a positioning groove 312 matched with the positioning bar 321 is provided on the upper side of the right end of the bending and cutting die 31, a bending die cavity 313 matched with the bending male die block 323 in shape is provided on the lower side of the right end of the bending and cutting die 31, and a step 314 matched with the sinking platform 322 is provided on the lower part of each of the two lateral sides of the positioning groove 312. A positioning stop strip 324 extends vertically upwards from the right end of the bending male die 32 to limit the left movement of the bending male die 32.

As shown in fig. 5 and 6, the cutting punch 33 is Z-shaped, and includes a bottom cutting blade 331, a middle vertical edge 332 and an upper horizontal rod 333, the right end of the horizontal rod 333 is fixedly connected to the left end of the piston rod 21 of the driving cylinder, and the lower side of the cutting blade 331 is supported on the middle portion of the upper side plate 11 of the base through a backing plate 334. The underside of the bending punch 32 abuts against the upper side of the cutting knife 331.

The foot floating cutting device 4 is arranged between the middle part of the bending convex die 32 and the other end of the cutting convex die 33 and comprises a pressure spring 41 and a screw rod 42, the left end of the screw rod 42 penetrates through the vertical edge 332 of the cutting convex die 33 and then is screwed into the right end of the bending convex die 32, two ends of the pressure spring 41 sleeved on the screw rod 42 respectively abut against the end surface of the right end of the bending convex die 32 and the inner side surface of the vertical edge 332 of the cutting convex die 33, and a limit nut 43 is screwed on the end head of the right end of the screw rod 42 to limit the. The foot floating cutting device 4 enables bending and cutting of the feet of the electronic components to be carried out in two steps, so that two actions of bending and cutting can be continuously carried out in one stroke of the piston rod 21 of the driving cylinder, and the working efficiency of the invention is remarkably improved.

As shown in fig. 7, the guide device 5 includes an upper guide strip 51 and a lower guide strip 52 symmetrically disposed, the upper guide strip 51 is door-shaped, and the lower guide strip 52 is right-angled. The upper part of the bending punch 32 is embedded into the groove of the upper guide strip 51, and both ends of the upper guide strip 51 are respectively fixed on one end of the corresponding lower guide strip 52 facing the bending cutting die 31 through upper fixing screws 511. Both sides of the cutting knife 331 of the cutting punch 33 are respectively embedded into the corresponding lower guide strips 52, and both ends of the lower guide strips 52 positioned on the upper side of the backing plate 334 are respectively fixed on the middle part of the base upper side plate 11 through lower fixing screws 521. The upper guide strip 51 and the lower guide strips 52 which are symmetrically arranged respectively guide the bending male die 32 and the cutting male die 33 which is positioned below the bending male die, so that the bending and cutting accuracy of the middle bottom and the two side bottoms of the electronic component is improved.

As shown in fig. 3 to 6, a blanking window 111 is provided at the left end of the upper side plate 11 of the base, and the blanking window 111 is located at the lower side of the adjacent end of the bending cutting female die 31 and the cutting male die 32, so that the cut waste material can be conveniently dropped into the waste material box in the base 1.

When the electronic component cutting device works, the moving process of the bending convex die 32 and the cutting convex die 33 is divided into two steps, the first step is to bend the middle bottom leg of the electronic component, the second step is to cut off the 3 bottom legs of the electronic component, and the two steps are continuously carried out. When the piston rod 21 of the driving cylinder drives the cutting male die 33 to move left, the vertical edge 332 of the cutting male die 33 moves left to press the compression spring 41, the reset elastic force of the compression spring 41 pushes the bending male die 32 on the upper side of the cutting male die 33 to move left, so that the left end of the positioning strip 321 of the bending male die 32 is embedded into the positioning groove 312 of the bending cutting female die 31, the left end surface of the positioning strip 321 abuts against the bottom surface of the positioning groove 312, and the bending male die 32 stops moving. At this time, the sinking platforms 322 at the two sides of the left end of the bending male die 32 extend into the lower sides of the step platforms 314 at the two sides of the right end of the bending cutting female die 31, the outer end of the bending male die block 322 of the bending male die 32 is pressed into the bending female die cavity 313 of the bending cutting female die 31, the middle bottom foot of the electronic component is bent into a Z shape with two right angles, and two 90-degree bending of the middle bottom foot of the electronic component is completed at one time. The cutting male die 33 at the lower side of the bending male die 32 continues to move left under the pushing of the piston rod 21 of the driving cylinder, the pressure spring 41 continues to be pressed, and the bending male die 32 cannot move left because the positioning strip 321 is limited by the bending cutting female die 31; and the cutting punch 33 on the lower side of the bending punch 32 can move left continuously, thereby completing the cutting of 3 feet of the electronic component. Because the bending male die 32 and the cutting male die 33 below the bending male die are in floating connection through the pressure spring 41, the bending male die 32 and the cutting male die 33 move left together, then the bending male die 32 is not moved, and the cutting male die 33 continues to move left, two steps of actions of bending the bottom foot of the electronic component and then cutting the bottom foot of the electronic component are realized, and the bending and cutting quality and the working efficiency of the invention are obviously improved.

In addition to the above embodiments, the present invention may have other embodiments, and any technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the claims of the present patent.