Metal oxide semiconductor (MOS) tube bending jig
By designing MOS pipe bending fixtures that integrate bending machines, pneumatic compression structures and fixture seats, the problem of insufficient bending of MOS pipe pins in the existing technology is solved, and high-precision automated bending and convenient equipment operation are achieved.
Patent Information
- Application Number
- CN202421055314.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The lack of suitable fixtures in the prior art for automated bending of MOS tube pins, resulting in insufficient manual bending and lack of effective positioning and compression structures for machine bending.
A MOS tube bending fixture integrating bending machine, pneumatic compression structure and fixture seat is designed. The end of the MOS tube is pressed by a pneumatic compression structure, and the pins in the positioning groove are bent by a servo motor driving the rotating disc. After completion, the MOS tube is sucked out by a negative pressure suction head.
High-precision automatic bending of MOS tube pins is realized, which avoids the inaccuracy of manual operation and prevents the MOS tube from being stuck in the positioning slot through the use of negative pressure suction heads.
Smart Images
Figure CN222653937U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of MOS tube processing, in particular to a MOS tube bending jig. Background Art
[0002] MOS is the abbreviation of MOSFET. MOSFET metal-oxide semiconductor field effect transistor, referred to as metal oxide semiconductor field effect transistor, MOS tube is used in motor controllers in various ways, and the requirements for PCB coordination and overall design are getting higher and higher. The MOS tube pins currently supplied on the market are mainly straight pins. In actual use, the three groups of pins of the MOS tube need to be bent. The traditional method uses manual bending, and the accuracy of manual bending is difficult to grasp. When the MOS tube pins are bent by a machine, there is no suitable jig to position the MOS tube. Based on this, the utility model proposes a MOS tube bending jig, which integrates a bending machine, a pneumatic clamping structure and a jig seat. When used, the end of the MOS tube is placed in the first positioning groove of the jig seat, and the pin part of the MOS tube is placed in the second positioning groove of the bending seat. Then, the end of the MOS tube is pressed by the pneumatic clamping structure with guide positioning. At this time, the servo motor in the machine compartment drives the rotating disk to rotate and bends the pin in the second positioning groove. After the processing is completed, the negative pressure suction head absorbs the MOS tube out of the first positioning groove to prevent the MOS tube from being stuck in the positioning groove and being inconvenient to take out. Utility Model Content
[0003] The purpose of the utility model is to provide a MOS tube bending jig to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a MOS tube bending jig, comprising a base, a bending machine, a pneumatic clamping structure and a jig seat, wherein the jig seat is arranged on the front side of the bending machine, and a positioning groove for positioning the end of the MOS tube is provided on the jig seat; the base and the bending machine are connected up and down, and a pneumatic clamping structure is installed on the front end face of the base, and the pneumatic clamping structure includes a cylinder, a guide rod, a guide seat, a negative pressure bin and a pressure rod, wherein two groups of guide rods are provided and their mirror images are fixed on the front side of the base, and a slidable guide seat is provided on the two groups of guide rods; the piston rod end of the cylinder is connected to the negative pressure bin, the negative pressure bin is fixed on the front side of the guide seat, and a pressure rod is installed at the lower end of the negative pressure bin, and the pressure rod can move downward when the cylinder is started and press the end of the MOS tube on the jig seat.
[0005] Preferably, the bending machine includes a machine chamber, a servo motor installed inside the machine chamber, a bearing cover integrally formed at the front end of the machine chamber, and a rotating disk connected to the shaft end of the servo motor and rotatable relative to the bearing cover.
[0006] Preferably, a bending seat is integrally formed at the front end of the rotating disk, and a positioning groove 2 corresponding to the positioning groove 1 on the fixture seat is provided at the upper end of the bending seat.
[0007] Preferably, the second positioning groove is a pin positioning groove, and the rotating disk can rotate with the servo motor when the pressure rod presses the end of the MOS tube to bend the pin in the second positioning groove.
[0008] Preferably, a negative pressure suction head is provided on one side of the end of the pressure rod close to the pin groove, and the negative pressure suction head can be connected to the negative pressure bin through a pipeline. The negative pressure suction head can absorb the MOS tube out of the positioning groove after the MOS tube pin is bent.
[0009] Compared with the prior art, the beneficial effects of the utility model are:
[0010] The jig of the utility model integrates a bending machine, a pneumatic clamping structure and a jig seat. When in use, the end of the MOS tube is placed in the first positioning groove of the jig seat, and the pin part of the MOS tube is placed in the second positioning groove of the bending seat. Then, the end of the MOS tube is pressed by the pneumatic clamping structure with guided positioning. At this time, the servo motor in the machine bin drives the rotating disk to rotate and bends the pin in the second positioning groove. After the processing is completed, the negative pressure suction head absorbs the MOS tube out of the first positioning groove to avoid the MOS tube being stuck in the positioning groove and being inconvenient to take out. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of the utility model;
[0012] Figure 2 For this utility model Figure 1 A magnified view of the local structure.
[0013] In the figure: 1. base; 2. bending machine; 201. machine compartment; 202. bearing cover; 203. rotating disk; 204. bending seat; 3. fixture seat; 4. cylinder; 5. guide rod; 6. guide seat; 7. negative pressure compartment; 8. pressure rod; 9. negative pressure suction head. DETAILED DESCRIPTION
[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0015] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0016] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0017] See also Figure 1-2 The utility model provides a technical solution: a MOS tube bending jig, comprising a base 1, a bending machine 2, a pneumatic clamping structure and a jig seat 3, wherein the jig seat 3 is arranged on the front side of the bending machine 2, and a positioning groove 1 for positioning the end of the MOS tube is provided on the jig seat 3; the base 1 and the bending machine 2 are connected up and down, and a pneumatic clamping structure is installed on the front end face of the base 1, and the pneumatic clamping structure includes a cylinder 4, a guide rod 5, a guide seat 6, a negative pressure bin 7 and a pressure rod 8, wherein the guide rod 5 is provided with two groups and its mirror image is fixed on the front side of the base 1, and a slidable guide seat 6 is provided on the two groups of guide rods 5; the piston rod end of the cylinder 4 is connected to the negative pressure bin 7, the negative pressure bin 7 is fixed on the front side of the guide seat 6, and a pressure rod 8 is installed at the lower end of the negative pressure bin 7, and the pressure rod 8 can move downward when the cylinder 4 is started and press the end of the MOS tube on the jig seat 3.
[0018] In this embodiment, the bending machine 2 includes a machine chamber 201, a servo motor installed inside the machine chamber 201, a bearing cover 202 integrally formed at the front end of the machine chamber 201, and a rotating disk 203 connected to the shaft end of the servo motor and rotatable relative to the bearing cover 202.
[0019] In this embodiment, a bending seat 204 is integrally formed at the front end of the rotating disk 203 , and a second positioning groove corresponding to the first positioning groove on the fixture seat 3 is provided at the upper end of the bending seat 204 .
[0020] In this embodiment, the second positioning groove is a pin positioning groove, and the rotating disk 203 can rotate with the servo motor when the pressing rod 8 presses the end of the MOS tube to bend the pin in the second positioning groove.
[0021] In this embodiment, a negative pressure suction head 9 is provided on one side of the end of the pressure rod 8 close to the pin groove, and the negative pressure suction head 9 can be connected to the negative pressure chamber 7 through a pipeline. The negative pressure suction head 9 can absorb the MOS tube out of the positioning groove after the MOS tube pin is bent.
[0022] In this embodiment, the above-mentioned fixture integrates a bending machine 2, a pneumatic clamping structure and a fixture seat 3. When in use, the end of the MOS tube is placed in the positioning groove 1 of the fixture seat 3, and the pin part of the MOS tube is placed in the positioning groove 2 of the bending seat 204. Then, the end of the MOS tube is pressed by using the pneumatic clamping structure with guided positioning. At this time, the servo motor in the machine compartment 201 drives the rotating disk 203 to rotate and bends the pin in the positioning groove 2. After the processing is completed, the negative pressure suction head 9 absorbs the MOS tube out of the positioning groove 1 to prevent the MOS tube from being stuck in the positioning groove and being inconvenient to take out.
[0023] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A MOS tube bending jig, characterized in that: The invention comprises a base (1), a bending machine (2), a pneumatic clamping structure and a fixture seat (3), wherein the fixture seat (3) is arranged on the front side of the bending machine (2), and a positioning groove for locating the end of the MOS tube is arranged on the fixture seat (3); the base (1) and the bending machine (2) are connected to each other up and down, and the pneumatic clamping structure is installed on the front end surface of the base (1), and the pneumatic clamping structure comprises a cylinder (4), a guide rod (5), a guide seat (6), and a negative pressure chamber (7). and a pressure rod (8), wherein two groups of guide rods (5) are provided and their mirror images are fixed on the front side of the base (1), and a slidable guide seat (6) is provided on the two groups of guide rods (5); the piston rod end of the cylinder (4) is connected to the negative pressure chamber (7), the negative pressure chamber (7) is fixed on the front side of the guide seat (6), and a pressure rod (8) is installed at the lower end of the negative pressure chamber (7), and the pressure rod (8) can descend when the cylinder (4) is started and press the end head of the MOS tube on the fixture seat (3).
2. The MOS tube bending jig according to claim 1, characterized in that: The bending machine (2) comprises a machine chamber (201), a servo motor installed inside the machine chamber (201), a bearing cover (202) integrally formed at the front end of the machine chamber (201), and a rotating disk (203) connected to the shaft end of the servo motor and rotatable relative to the bearing cover (202).
3. The MOS tube bending jig according to claim 2, characterized in that: The front end of the rotating disk (203) is integrally formed with a bending seat (204), and the upper end of the bending seat (204) is provided with a second positioning groove corresponding to the first positioning groove on the fixture seat (3).
4. The MOS tube bending jig according to claim 3, characterized in that: The second positioning groove is a pin positioning groove, and the rotating disk (203) can rotate with the servo motor when the pressing rod (8) presses the end of the MOS tube to bend the pin in the second positioning groove.
5. The MOS tube bending jig according to claim 1, characterized in that: A negative pressure suction head (9) is arranged on one side of the end of the pressure rod (8) close to the pin groove, and the negative pressure suction head (9) can be connected to the negative pressure bin (7) through a pipeline. The negative pressure suction head (9) can absorb the MOS tube out of the positioning groove after the MOS tube pin is bent.