Automatic feeding and orienting device for fisheye needles

Abstract

The utility model relates to an automatic feeding and orienting device for fisheye needles. The automatic feeding and orienting device comprises a vibration disc, a discharging track is arranged at a discharging port of the vibration disc, a discharging channel is arranged on the discharging track, a discharging inclined face is arranged on the bottom face of the discharging channel, and a positioning groove for positioning needle handles of the fisheye needles is formed in one side of the discharging inclined face. The device further comprises a material receiving block located at one end of the discharging channel, an overturning driving unit for driving the material receiving block to longitudinally overturn, and a welding head for sucking the fisheye needles from the material receiving block overturned in place. The fisheye needles discharged from the vibration disc are arranged on the discharging inclined face side by side one by one, needle handles of the fisheye needles are located in the positioning grooves, fisheye parts of the fisheye needles can lie on the discharging inclined face, a positioning and orienting square hole, a guide taper hole and a positioning round hole are designed in the welding head, and angle orientation can be conducted on the fisheye needles through the structural form. The problems of ugly product appearance and difficulty in installation caused by the fact that the direction of the fisheye needle cannot be oriented at present are solved.

Description

Technical Field

[0001] The utility model relates to the technical field, and more specifically to an automatic feeding and orientation device for fisheye needles. Background Art

[0002] With the in-depth research of domestic packaging companies on power semiconductors, the fisheye PIN needle ultrasonic welding process has superior reliability, process convenience and cost advantages compared to the traditional soldering process, and is gradually welcomed by various packaging companies.

[0003] The traditional ultrasonic welding currently used cannot determine the direction of the fisheye PIN needle. The welded fisheye PIN needles have different directions, resulting in an ugly product appearance and bringing difficulties to the subsequent product assembly. To solve this problem, an automatic feeding and orientation device for fisheye needles is needed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a fisheye needle automatic feeding and orientation device in view of the above-mentioned defects of the prior art.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A fisheye needle automatic feeding and orienting device is constructed, which includes a vibrating plate, a discharge port of the vibrating plate is provided with a discharge track, a discharge channel is provided on the discharge track, a bottom surface of the discharge channel is provided with a discharge slope, and one side of the discharge slope is provided with a positioning groove for positioning the needle handle of the fisheye needle; the device also includes a receiving block located at one end of the discharge channel, a flipping drive unit that drives the receiving block to flip longitudinally, and a material taking unit that sucks the fisheye needle from the receiving block after flipping into place; a receiving groove is provided at one end of the receiving block close to the discharge channel, and the receiving groove is connected to the outer surface of the receiving block.

[0007] The fisheye needle automatic feeding and orientation device described in the utility model, wherein the material taking unit comprises a welding head, and a vacuum adsorption hole is opened on the bottom end surface of the welding head;

[0008] The vacuum adsorption hole includes a first positioning section for positioning the upper part of the needle handle of the fisheye needle, a conical guide section connected to the upper end of the first positioning section, and a second positioning section with a square cross-section connected to the upper end of the guide section for positioning and orienting the rod of the fisheye needle.

[0009] The fisheye needle automatic feeding and orientation device described in the utility model, wherein the bottom end surface of the welding head is provided with an annular tooth groove, and the vacuum adsorption hole is located at the center of the tooth groove.

[0010] The fisheye needle automatic feeding and orientation device of the utility model is characterized in that the positioning groove is arranged on a higher side of the discharge slope.

[0011] The fisheye needle automatic feeding and orienting device described in the utility model, wherein an adsorption unit for adsorbing the fisheye needle is arranged in the receiving groove.

[0012] The fisheye needle automatic feeding and orienting device described in the utility model, wherein the adsorption unit comprises an air suction hole arranged at the bottom of the material receiving trough and a suction component providing negative pressure to the air suction hole.

[0013] The utility model discloses an automatic feeding and orienting device for fisheye needles, wherein the length of the material receiving groove is smaller than the length of the fisheye needles.

[0014] The fisheye needle automatic feeding and orientation device described in the utility model, wherein the device also includes a mounting seat, and the vibration plate is arranged on the mounting seat;

[0015] The mounting seat is provided with a support seat for mounting the discharge track and a bracket for fixing the flip drive unit.

[0016] The beneficial effect of the utility model is that: by using the device of the present application, the fisheye needles after the vibrating disc discharges the material are arranged side by side on the discharge slope one by one, the needle handle of the fisheye needle is located in the positioning groove, and the fisheye part (flat shape) of the fisheye needle will lie on the discharge slope. Through this structural form, the discharge angle of the fisheye needle can be oriented, and then the fisheye needle after passing through the discharge track is received by the receiving groove on the receiving block, and is flipped to an appropriate angle by the flip driving unit, and the fisheye needle is taken away by the taking unit (such as the welding head), thereby achieving the purpose of orienting the fisheye needle, and solving the problem of ugly product appearance and difficult installation caused by the inability to orient the direction of the fisheye needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0018] Figure 1 This is a schematic diagram of the structure of the vibrating plate, discharging track, receiving block and flip driving unit of the fisheye needle automatic feeding and orienting device of the preferred embodiment of the utility model;

[0019] Figure 2 yes Figure 1 The enlarged schematic diagram at A in the middle;

[0020] Figure 3This is a schematic diagram of the structure of the material receiving block of the fisheye needle automatic feeding and orientation device of the preferred embodiment of the utility model;

[0021] Figure 4 This is a cross-sectional view of the welding head structure of the fisheye needle automatic feeding and orientation device of the preferred embodiment of the utility model;

[0022] Figure 5 yes Figure 4 Enlarged schematic diagram of point B in the middle. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be combined with the technical solution in the embodiments of the utility model for a clear and complete description. Obviously, the described embodiments are partial embodiments of the utility model, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The fisheye needle automatic feeding and orientation device of the preferred embodiment of the utility model is as follows Figure 1 As shown, it includes a vibration plate 1, a discharge port of the vibration plate 1 is provided with a discharge track 2, a discharge channel is provided on the discharge track 2, a discharge slope 20 is provided on the bottom surface of the discharge channel, and a positioning groove 200 for positioning the needle handle 30 of the fisheye needle 3 is provided on one side of the discharge slope 20; the device also includes a material receiving block 4 located at one end of the discharge channel 20, a flipping drive unit 5 (which can use existing components such as servo motors) for driving the material receiving block 4 to flip longitudinally, and a material taking unit for sucking the fisheye needle from the material receiving block 4 after flipping into place; a material receiving groove 40 is provided at one end of the material receiving block 4 close to the discharge channel, and the material receiving groove 40 is connected to the outer surface of the material receiving block 4;

[0025] By using the device of the present application, the fisheye needles 3 after the material is discharged from the vibration plate 1 are arranged side by side on the discharge slope 20 one by one, the needle handle 30 of the fisheye needle 3 is located in the positioning groove 200, and the fisheye part 31 (flat) of the fisheye needle 3 will lie on the discharge slope 20. Through this structural form, the fisheye needle 3 can be oriented at the discharge angle, and then the fisheye needle 3 after passing through the discharge track is received by the receiving groove 40 on the receiving block 4, and is flipped to a proper angle by the flip driving unit 5, and the fisheye needle is taken away by the taking unit (such as the welding head), thereby achieving the purpose of orienting the fisheye needle, solving the problem of ugly product appearance and difficult installation caused by the inability to orient the direction of the fisheye needle.

[0026] It should be noted that the inclination angle of the discharge slope 20 can be designed as needed and is not limited thereto; in order to ensure that the fisheye portion can be well attached to the discharge slope 20 during discharge, a cover plate can be provided above the discharge slope 20 to level the erected fisheye needles through the cover plate;

[0027] Preferably, the material taking unit comprises a welding head 6, and a vacuum adsorption hole 60 is provided on the bottom end surface of the welding head 6;

[0028] The vacuum adsorption hole 60 includes a first positioning section 600 for positioning the upper part of the needle handle 30 of the fisheye needle 3, a conical guide section 601 connected to the upper end of the first positioning section 600, and a second positioning section 602 with a square cross section connected to the upper end of the guide section 601 for positioning and orienting the rod portion 32 of the fisheye needle; the vacuum adsorption hole 60 adopts this structural opening design, which can ensure the accuracy when taking the fisheye needle from the material receiving block 4, and at the same time orient the fisheye needle to avoid displacement and looseness during welding; preferably, one end of the vacuum adsorption hole 60 is connected to a vacuum adsorption pipeline;

[0029] In order to better fit with the fisheye part, the square hole 603 can be set to: a single-side gap of 0.03mm with the PIN needle, and a fisheye angle of ±3.679°; of course, this parameter is only used for illustration and not for limitation.

[0030] Preferably, the bottom end face of the welding head 6 is provided with an annular tooth groove 61, and the vacuum adsorption hole 60 is located at the center of the tooth groove 61; the design of this part is used to increase the friction of the contact surface when adsorbing the fisheye needle.

[0031] Preferably, a suction unit for sucking the fish-eye needle is provided in the receiving groove 40, so as to suck and fix the fish-eye needle entering the receiving groove 40 to prevent it from loosening; the suction unit can adopt a vacuum suction method or other existing forms;

[0032] When vacuum adsorption is adopted, the adsorption unit includes an air suction hole 41 arranged at the bottom of the material receiving trough and a suction component that provides negative pressure to the air suction hole; the fisheye needle 3 is adsorbed through the air suction hole 41, which has good stability and is easy to set up.

[0033] Preferably, the length of the receiving groove 40 is smaller than the length of the fisheye needle 3 , so that a portion of the fisheye needle 3 protrudes outside the receiving groove 40 , making it convenient to remove the fisheye needle 3 .

[0034] Preferably, the device further comprises a mounting seat 7, and the vibration plate 1 is arranged on the mounting seat 7;

[0035] The mounting seat 7 is provided with a support seat 8 for mounting the discharge track and a bracket 9 for fixing the flip drive unit;

[0036] The structure is simple and easy to assemble, which can greatly reduce the difficulty of assembly and debugging;

[0037] The specific structures of the support base 8 and the bracket 9 can be set as needed and are not limited thereto.

[0038] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A fisheye needle automatic feeding and orientation device, characterized in that: It includes a vibration plate, a discharge port of the vibration plate is provided with a discharge track, a discharge channel is provided on the discharge track, a bottom surface of the discharge channel is provided with a discharge slope, and one side of the discharge slope is provided with a positioning groove for positioning the needle handle of the fisheye needle; the device also includes a receiving block located at one end of the discharge channel, a flipping drive unit that drives the receiving block to flip longitudinally, and a material taking unit that sucks the fisheye needle from the receiving block after flipping into place; a receiving groove is provided at one end of the receiving block close to the discharge channel, and the receiving groove is connected to the outer surface of the receiving block.

2. The fisheye needle automatic feeding and orientation device according to claim 1 is characterized in that: The material taking unit comprises a welding head, and a vacuum adsorption hole is provided on the bottom end surface of the welding head; The vacuum adsorption hole includes a first positioning section for positioning the upper part of the needle handle of the fisheye needle, a conical guide section connected to the upper end of the first positioning section, and a second positioning section with a square cross-section connected to the upper end of the guide section for positioning and orienting the rod of the fisheye needle.

3. The fisheye needle automatic feeding and orientation device according to claim 2 is characterized in that: The bottom end surface of the welding head is provided with an annular tooth groove, and the vacuum adsorption hole is located at the center of the tooth groove.

4. The fisheye needle automatic feeding and orientation device according to claim 1, characterized in that: The positioning groove is arranged on a higher side of the discharge slope.

5. The fisheye needle automatic feeding and orientation device according to claim 1, characterized in that: An adsorption unit for adsorbing fish-eye needles is arranged in the material receiving trough.

6. The fisheye needle automatic feeding and orientation device according to claim 5, characterized in that: The adsorption unit comprises an air suction hole arranged at the bottom of the material receiving trough and a suction component providing negative pressure to the air suction hole.

7. The fisheye needle automatic feeding and orientation device according to claim 1, characterized in that: The length of the material receiving groove is smaller than the length of the fisheye needle.

8. The fisheye needle automatic feeding and orientation device according to claim 1, characterized in that: The device also includes a mounting seat, and the vibration plate is arranged on the mounting seat; The mounting seat is provided with a support seat for mounting the discharge track and a bracket for fixing the flip drive unit.

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