CN114211181A

CN114211181A - Welding tool for manufacturing power electronic components

Info

Publication number: CN114211181A
Application number: CN202111593051.6A
Authority: CN
Inventors: 孙宁博
Original assignee: Suzhou Hezetong Photoelectric Technology Co ltd
Current assignee: Suzhou Hezetong Photoelectric Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-03-22

Abstract

The invention belongs to the technical field of component manufacturing, in particular to a welding tool for manufacturing power electronic components, which comprises a following tool, a processing tool and a disassembling tool, the following tool comprises a following fixing plate and a torsion plate, an installation groove is arranged above the body of the following fixing plate, the bottom of the mounting groove is provided with a clamp, the lower end of the torsion disc extends into the inner cavity of the accompanying fixing plate and is connected with a locking gear, a locking rotating shaft is movably arranged in the inner cavity of the accompanying fixed plate, a driven gear and a locking cam are sleeved outside the locking rotating shaft, the driven gear is meshed with the locking gear, the clamp comprises a shell plate, the device drives all the driven gears by using one locking gear, under the rotation of locking gear, all driven gears can carry out synchronous rotation, and then drive the splint on all anchor clamps on the same retinue frock and press from both sides tightly the power electronic components on the anchor clamps simultaneously.

Description

Welding tool for manufacturing power electronic components

Technical Field

The invention relates to the technical field of component manufacturing, in particular to a welding tool for manufacturing power electronic components.

Background

The power electronic component is mainly an electronic component with high power in the aspects of electric energy conversion and control circuits of power equipment. Along with the development of science and technology, power electronic components moves towards the miniaturization gradually, and in traditional welding frock, a clamping can only be a power electronic components of clamping, and this output that leads to power electronic components receives the restriction, for the dismouting number of times that reduces welding frock, in the current welding frock, can a plurality of power electronic components of clamping. The existing welding tool is divided into a linear tool and a rotary tool, and the selected tool can be different along with different places.

In the rotary tool, the power electronic component is clamped on the tool, then the tool is clamped on a welding machine, in order to clamp the power electronic components, the fixture is required to be installed on the tool, one fixture corresponds to one power electronic component on the existing rotary tool, namely, the plurality of clamps are mutually independent and are difficult to clamp and loosen uniformly, which causes that the disassembly and the assembly of the power electronic components are difficult to be carried out quickly, in addition, in order to avoid overlarge clamping force of the clamps on the power electronic components, each clamp is provided with a limiting device which is also mutually independent, when one limiting device is damaged, the rotary tool needs to be disassembled and maintained, and stop device in current rotation type frock sets up in the outside for the convenience of regulation and control, and this also leads to it to appear damaging because of colliding with easily.

Disclosure of Invention

The invention aims to provide a welding tool for manufacturing power electronic components, which aims to solve the problem that a plurality of clamps in the conventional rotary tool proposed in the background art are mutually independent.

In order to achieve the purpose, the invention provides the following technical scheme: a welding tool for manufacturing power electronic components comprises a follow tool, a processing tool and a dismounting tool, wherein the follow tool comprises a follow fixing plate and a torsion disc, a mounting groove is formed in the upper portion of a body of the follow fixing plate, a clamp is installed at the bottom of the mounting groove, the lower end of the torsion disc extends into an inner cavity of the follow fixing plate and is connected with a locking gear, a locking rotating shaft is movably installed in the inner cavity of the follow fixing plate, a driven gear and a locking cam are sleeved on the outer side of the locking rotating shaft, the driven gear is meshed with the locking gear, the clamp comprises an outer shell plate, a clamping plate is movably installed on the inner side of the outer shell plate, one end, close to the locking cam, of the clamping plate is attached to the locking cam, a placing groove is formed in the lower side of the body of the locking gear, a spring column I is installed in the inner cavity of the placing groove, and a positioning groove is formed in the bottom of the inner cavity of the follow fixing plate, the first spring column is matched with the positioning groove.

Preferably, one side of the clamping plate, which is far away from the locking cam, is connected with a compression spring, and the other end of the compression spring is fixedly connected with the outer shell plate.

Preferably, the processing tool comprises a clamping fixing plate, a clamping fixing disc is movably mounted in an inner cavity of the clamping fixing plate, the following tool is matched with the clamping fixing disc, an adjusting gear is sleeved at the lower end of the outer side of the clamping fixing disc, a stepping motor is mounted in the inner cavity of the clamping fixing disc, a driving gear is sleeved on the outer side of a rotor of the stepping motor, and the driving gear is meshed with the adjusting gear.

Preferably, the bottom of the inner cavity of the clamping fixing plate is provided with an ejection device, the body of the clamping fixing plate is provided with an avoiding hole, and the ejection device is positioned on the lower side of the avoiding hole.

Preferably, the disassembling tool comprises a disassembling fixing plate, a retreating column is arranged in an inner cavity of the disassembling fixing plate, and the retreating column corresponds to the first spring column.

Preferably, an ejection cylinder is installed at the bottom of the inner cavity of the detachable fixing plate, a supporting plate is connected above a telescopic rod of the ejection cylinder, a supporting rod is connected above the supporting plate, and an ejection plate is connected above the supporting rod.

Preferably, an ejection groove is formed in the accompanying fixing plate body, a second spring column is arranged in an inner cavity of the ejection groove and located on the lower side of the clamp, an ejection fixing plate is movably sleeved on the outer side of the supporting rod, an ejection rod is arranged above the ejection fixing plate and corresponds to the second spring column, and a thrust spring is connected between the ejection fixing plate and the supporting plate.

Preferably, No. two spring posts include the ejector pin that resets, the outside cover of ejector pin that resets is equipped with reset spring, the top of ejector pin that resets is provided with the crash pad.

Preferably, the outer side of the pallet is provided with positioning blocks, the number of the clamps is integral multiple of the number of the positioning blocks, and the positioning blocks are uniformly distributed on the outer side of the pallet.

Compared with the prior art, the invention has the beneficial effects that:

1) the device utilizes the rotation of the locking cam to push the clamping plates to clamp the power electronic components, so that the locking cam and the driven gear are connected through the locking rotating shaft in order to facilitate the simultaneous movement of the clamping plates on all the clamps on the same follow-up tool, then all the driven gears are driven through one locking gear, and all the driven gears can synchronously rotate under the rotation of the locking gear, so that the clamping plates on all the clamps on the same follow-up tool are driven to simultaneously clamp the power electronic components on the clamps;

2) this device changes the stop device in traditional rotation type frock into a spring post, sets up a spring post to locking gear simultaneously, and a spring post is located the inside of retinue frock this moment, and then can avoid external collision.

Drawings

FIG. 1 is a schematic view of a traveling tool structure according to the present invention;

FIG. 2 is a schematic sectional view of a front view of the traveling tool of the present invention;

FIG. 3 is a front view, cross-sectional structural schematic view of the clamp of the present invention;

FIG. 4 is a schematic structural view of a machining tool of the present invention;

FIG. 5 is a schematic cross-sectional view of a front view of the structural machining tool of the present invention;

FIG. 6 is a schematic structural view of a disassembling tool according to the present invention;

FIG. 7 is a front view, cross-sectional structural schematic view of the disassembly tool of the present invention;

fig. 8 is a front view of the second spring post of the present invention.

In the figure: the device comprises a following fixing plate 1, a torsion plate 2, a positioning block 3, a clamp 4, an outer shell plate 41, a compression spring 42, a clamping plate 43, a locking gear 5, a spring post 6, a driven gear 7, a locking rotating shaft 8, a locking cam 9, a spring post 10 II, a return spring 101, a return ejector rod 102, a crash pad 103, a clamping fixing plate 11, a clamping fixing plate 12, an adjusting gear 13, a driving gear 14, a stepping motor 15, an ejection device 16, an ejection rod 17, an ejection post 18, an ejection fixing plate 19, an ejection plate 20, a supporting plate 21, a supporting rod 22, a thrust spring 23 and an ejection cylinder 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-8, the present invention provides a technical solution: a welding tool for manufacturing power electronic components comprises a follow tool, a processing tool and a dismounting tool, wherein the processing tool is fixed on welding equipment in advance, before welding, the power electronic components are firstly installed on the follow tool, after the installation is finished, the follow tool is installed on the processing tool, then the power electronic components are welded by the welding equipment, after the welding is finished, the follow tool is taken out and installed on the dismounting tool, the follow tool comprises a follow fixing plate 1 and a torsion plate 2, a mounting groove is formed in the upper portion of the body of the follow fixing plate 1, clamps 4 are installed at the bottom of the mounting groove, the clamps 4 are uniformly distributed on the follow fixing plate 1 and are arranged in a circumferential mode, each clamp 4 represents a welding station, the clamps 4 are used for clamping the power electronic components, and the clamps 4 are fixed on the follow fixing plate 1 through bolts, when power electronic components with different sizes are processed, a clamp 4 with a proper size can be replaced, the lower end of a torsion disc 2 extends into the inner cavity of a follow fixing plate 1 and is connected with a locking gear 5, the torsion disc 2 is used for rotating the locking gear 5, when the torsion disc 2 is manually rotated, a handle is arranged at the upper end of the torsion disc 2, when the torsion disc 2 is mechanically rotated, a hexagonal hole is formed at the upper end of the torsion disc 2, a locking rotating shaft 8 is movably arranged in the inner cavity of the follow fixing plate 1, a driven gear 7 and a locking cam 9 are sleeved on the outer side of the locking rotating shaft 8, the driven gear 7 is meshed with the locking gear 5, the locking gear 5 is driven to rotate by rotating the torsion disc 2, the locking gear 5 drives the driven gear 7 to rotate, the driven gear 7 drives the locking rotating shaft 8 to rotate, and the locking rotating shaft 8 drives the locking cam 9 to rotate, the clamp 4 comprises an outer shell plate 41, a product fixing groove is formed in the upper side of the body of the outer shell plate 41, the size of one side, away from a clamping plate 43, of the product fixing groove is consistent with that of a power electronic component, so that the positioning is convenient, one side, close to the clamping plate 43, of the product fixing groove is larger than that of the power electronic component, so that the installation of the power electronic component is convenient, the clamping plate 43 is movably installed on the inner side of the outer shell plate 41, one end, close to a locking cam 9, of the clamping plate 43 is attached to the locking cam 9, the clamping plate 43 is driven to move towards the power electronic component through the extrusion of the locking cam 9, the power electronic component is clamped through the clamping plate 43 and the outer shell plate 41, in order to facilitate the automatic rebound of the clamping plate 43, a compression spring 42 is connected to one side, away from the locking cam 9, the other end of the compression spring 42 is fixedly connected with the outer shell plate 41, a placing groove is formed in the lower side of the body of the locking gear 5, and a first spring column 6 is installed in an inner cavity of the placing groove, the quantity of a spring post 6 is two at least, and a spring post 6 has spring and squeeze column to constitute, and the constant head tank has been seted up to the inner chamber bottom of retinue fixed plate 1, and when the standing groove was located the top of constant head tank, the spring promoted the squeeze column down, and the squeeze column gets into the constant head tank, and locking gear 5 was fixed unable rotatory this moment, and power electronic components has been fixed by the centre gripping promptly.

The processing tool comprises a clamping fixing plate 11, a clamping fixing plate 12 is movably arranged in an inner cavity of the clamping fixing plate 11, a matching groove is formed in the upper side of a body of the clamping fixing plate 12, a following tool can be clamped into the matching groove, when the weight of the following tool is heavy, the following tool is under the action of gravity, can be clamped in the matching groove, when the weight of the follow fixture is light, the follow fixture is prevented from shaking, the fixing pressing plate can be installed above the clamping fixing disc 12, the adjusting gear 13 is sleeved at the lower end of the outer side of the clamping fixing disc 12, the stepping motor 15 is installed in the inner cavity of the clamping fixing disc 12, the driving gear 14 is sleeved on the outer side of the rotor of the stepping motor 15, the driving gear 14 is meshed with the adjusting gear 13, the transmission ratio of the driving gear 14 to the adjusting gear 13 is the same as the number of the clamps 4, namely the rotor of the stepping motor 15 rotates for one circle, and the clamps 4 rotate for one welding station.

An ejection device 16 is installed at the bottom of an inner cavity of the clamping fixing plate 11, the ejection device 16 is composed of an air cylinder and a top plate, when the traveling tool needs to be taken out, the top plate is pushed to move upwards through the air cylinder, the traveling tool is ejected out, an avoiding hole is formed in the body of the clamping fixing plate 12, and the ejection device 16 is located on the lower side of the avoiding hole.

The dismounting tool comprises a dismounting fixing plate 16, the upper side of the body of the dismounting fixing plate 16 is also provided with a matching groove, the follow-up tool can be clamped into the matching groove, when the weight of the follow-up tool is heavier, the follow-up tool can be clamped into the matching groove under the action of gravity, when the weight of the follow-up tool is lighter, in order to avoid shaking of the follow-up tool, a fixed pressing plate can be installed above the dismounting fixing plate 16, an offsetting column 18 is arranged in the inner cavity of the dismounting fixing plate 16, after the follow-up tool is clamped into the matching groove of the dismounting fixing plate 16, the upper end of the offsetting column 18 and a first spring column 6 are arranged, the offsetting column 18 can push the first spring column 6 to move upwards along with the downward movement of the follow-up tool, and then the first spring column 6 is pushed into the locking gear 5, at the moment, the locking gear 5 can rotate, the torsion disc 2 rotates again, the locking gear 5 drives the driven gear 7 to rotate, driven gear 7 drives locking pivot 8 rotatory, and locking pivot 8 drives locking cam 9 rotatory, and compression spring 42 promotes splint 43 and keeps away from power electronic components and parts this moment, and then makes things convenient for taking out of power electronic components and parts.

An ejection cylinder 24 is installed at the bottom of an inner cavity of the detachable fixing plate 16, a supporting plate 21 is connected above an expansion rod of the ejection cylinder 24, a supporting rod 22 is connected above the supporting plate 21, an ejection plate 20 is connected above the supporting rod 22, the ejection cylinder 24 can push the supporting plate 21 to move upwards, the supporting plate 21 pushes the supporting rod 22 to move upwards, the supporting rod 22 pushes the ejection plate 20 to move upwards, and then the accompanying tool is ejected out through the upward movement of the ejection plate 20.

The following fixed plate 1 body is provided with an ejection groove, a second spring column 10 is arranged in an inner cavity of the ejection groove, the second spring column 10 is positioned at the lower side of the clamp 4, and the power electronic components in the clamp 4 can be ejected by pushing the second spring column 10 to move upwards, so that an ejection component can be arranged in the disassembly tool, the ejection component needs to be aligned with the second spring column 10, in order to facilitate the power electronic components in all the clamps 4 to be ejected simultaneously, the ejection component is preferably arranged at the center of the disassembly tool, but an ejection cylinder 24 is already arranged at the center of the disassembly tool for ejecting the following tool, in order to facilitate the installation of the ejection component, the ejection component can be driven by the ejection cylinder 24, an ejection fixed plate 19 is movably sleeved at the outer side of a support rod 22, an ejection rod 17 is arranged above the ejection fixed plate 19, and the ejection rod 17 corresponds to the second spring column 10, the thrust spring 23 is connected between the ejection fixing plate 19 and the supporting plate 21, when the power electronic component needs to be ejected, the ejection cylinder 24 can push the supporting plate 21 to move upwards, the supporting plate 21 pushes the ejection fixing plate 19 to move upwards through the thrust spring 23, the fixing plate 19 pushes the ejection rod 17 to move upwards so as to eject the second spring column 10, finally, the power electronic component is ejected by the second spring column 10 moving upwards, when the follow-up tool needs to be ejected, the supporting plate 21 continues to move upwards, at the moment, the ejection fixing plate 19 moves upwards to the upper limit to be limited, and along with the extrusion of the thrust spring 23, the supporting plate 21 can also continue to move upwards so as to push the ejection plate 20 to move upwards.

Spring post 10 is equipped with reset spring 101 including the ejector pin that resets 102, the outside cover of reset ejector pin 102, in order to avoid power electronic components to be damaged by the collision of spring post 10 No. two, sets up crash pad 103 on the top of reset ejector pin 102, and the material of crash pad 103 is soft plastics.

When the retinue frock was placed and is dismantled frock and processing frock on, need the location, can be provided with locating piece 3 in the outside of retinue fixed plate 1, be provided with the constant head tank on the body of dismantling frock and processing frock, in order to avoid 3 location errors of locating piece, the quantity of processing anchor clamps 4 is the integral multiple of 3 quantity of locating piece, 3 even distributions of locating piece are in the outside of retinue fixed plate 1, as long as locating piece 3 puts into the constant head tank just can accurate location like this.

The working principle is as follows: firstly, a power electronic component is put into a clamp 4, then a torsion disc 2 is rotated, the torsion disc 2 drives a locking gear 5 to rotate, the locking gear 5 drives a driven gear 7 to rotate, the driven gear 7 drives a locking rotating shaft 8 to rotate, the locking rotating shaft 8 drives a locking cam 9 to rotate, the locking cam 9 moves towards the power electronic component through rotating an extrusion clamping plate 43, then the power electronic component is clamped through the clamping plate 43 and a shell plate 41, when the pressure applied to the power electronic component by the extrusion clamping plate 43 reaches a limit value, a spring post 6 on the locking gear 5 enters a positioning groove of a follow fixing plate 1 under the action of elastic force, at the moment, the locking gear 5 is clamped by a spring post 6 and cannot rotate, then a follow fixture corresponding to the power electronic component which is welded on a machining fixture is taken out, and the follow fixture corresponding to the power electronic component which needs to be welded is put into the machining fixture, and finally, putting the taken-out follow-up tool on a disassembling tool to perform assembling and disassembling on the power electronic component.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a welding frock for power electronic components makes, includes retinue frock, processing frock and dismantlement frock, its characterized in that: the following tool comprises a following fixing plate (1) and a torsion plate (2), a mounting groove is formed in the upper portion of a body of the following fixing plate (1), a clamp (4) is installed at the bottom of the mounting groove, the lower end of the torsion plate (2) extends into an inner cavity of the following fixing plate (1) and is connected with a locking gear (5), a locking rotating shaft (8) is movably installed in the inner cavity of the following fixing plate (1), a driven gear (7) and a locking cam (9) are sleeved on the outer side of the locking rotating shaft (8), the driven gear (7) is meshed with the locking gear (5), the clamp (4) comprises an outer shell plate (41), a clamping plate (43) is movably installed on the inner side of the outer shell plate (41), one end, close to the locking cam (9), of the clamping plate (43) is attached to the locking cam (9), a placing groove is formed in the lower side of the body of the locking gear (5), a spring column (6) is installed in an inner cavity of the placing groove, a positioning groove is formed in the bottom of an inner cavity of the accompanying fixing plate (1), and the spring column (6) is matched with the positioning groove.

2. The welding tool for manufacturing the power electronic component as claimed in claim 1, wherein the welding tool comprises: one side of the clamping plate (43) far away from the locking cam (9) is connected with a compression spring (42), and the other end of the compression spring (42) is fixedly connected with the shell plate (41).

3. The welding tool for manufacturing the power electronic component as claimed in claim 1, wherein the welding tool comprises: the processing tool comprises a clamping fixing plate (11), a clamping fixing disc (12) is movably mounted in an inner cavity of the clamping fixing plate (11), the accompanying tool is matched with the clamping fixing disc (12), an adjusting gear (13) is sleeved at the lower end of the outer side of the clamping fixing disc (12), a stepping motor (15) is mounted in the inner cavity of the clamping fixing disc (12), a driving gear (14) is sleeved on the outer side of a rotor of the stepping motor (15), and the driving gear (14) is meshed with the adjusting gear (13).

4. The welding tool for manufacturing the power electronic component as claimed in claim 3, wherein the welding tool comprises: the bottom of the inner cavity of the clamping fixing plate (11) is provided with an ejection device (16), the body of the clamping fixing plate (12) is provided with an avoiding hole, and the ejection device (16) is located on the lower side of the avoiding hole.

5. The welding tool for manufacturing the power electronic component as claimed in claim 1, wherein the welding tool comprises: the disassembly tool comprises a disassembly fixing plate (16), a retreating column (18) is arranged in an inner cavity of the disassembly fixing plate (16), and the retreating column (18) corresponds to the first spring column (6).

6. The welding tool for manufacturing the power electronic component as claimed in claim 5, wherein the welding tool comprises: an ejection cylinder (24) is installed at the bottom of an inner cavity of the disassembly fixing plate (16), a supporting plate (21) is connected above an expansion rod of the ejection cylinder (24), a supporting rod (22) is connected above the supporting plate (21), and an ejection plate (20) is connected above the supporting rod (22).

7. The welding tool for manufacturing the power electronic component as claimed in claim 6, wherein the welding tool comprises: the ejection groove has been seted up on retinue fixed plate (1) body, be provided with spring post No. two (10) in the inner chamber in ejection groove, spring post No. two (10) are located the downside of anchor clamps (4), the outside activity cover of bracing piece (22) is equipped with ejection fixed plate (19), the top of ejection fixed plate (19) is provided with ejector beam (17), ejector beam (17) are corresponding with spring post No. two (10), be connected with thrust spring (23) between ejection fixed plate (19) and backup pad (21).

8. The welding tool for manufacturing the power electronic component as claimed in claim 7, wherein the welding tool comprises: the second spring column (10) comprises a reset ejector rod (102), a reset spring (101) is sleeved on the outer side of the reset ejector rod (102), and an anti-collision pad (103) is arranged at the top end of the reset ejector rod (102).

9. The welding tool for manufacturing the power electronic component as claimed in claim 1, wherein the welding tool comprises: the outer side of the accompanying fixing plate (1) is provided with positioning blocks (3), the number of the clamps (4) is integral multiple of the number of the positioning blocks (3), and the positioning blocks (3) are uniformly distributed on the outer side of the accompanying fixing plate (1).