CN211516348U - Welding fixture - Google Patents
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- CN211516348U CN211516348U CN201921839601.6U CN201921839601U CN211516348U CN 211516348 U CN211516348 U CN 211516348U CN 201921839601 U CN201921839601 U CN 201921839601U CN 211516348 U CN211516348 U CN 211516348U
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Abstract
The utility model relates to a welding fixture, which comprises a cooling plate and a positioning fixture detachably arranged on the cooling plate; a liquid circulation channel is arranged in the cooling plate, and the liquid circulation channel is provided with a liquid inlet and a liquid outlet; a vacuum pipeline communicated with a vacuum source is arranged in the positioning jig, and a first through hole communicated with the vacuum pipeline and used for adsorbing a product is arranged on the positioning jig. The positioning jig is designed into a detachable structure so as to be convenient to replace, and the product is fixed in a vacuum adsorption mode, so that the product is prevented from shifting during welding, and the positioning jig is convenient and quick and cannot damage the product; the positioning jig can be cooled by arranging the cooling plate, so that the product is prevented from being damaged due to overhigh temperature in the processing process, and the yield of the product is improved.
Description
Technical Field
The utility model belongs to the technical field of laser welding, especially, relate to a welding jig.
Background
The wafer is a basic material for manufacturing a semiconductor chip, and the most main raw material of a semiconductor integrated circuit is silicon, so that the wafer is a silicon wafer correspondingly; the monocrystalline silicon ingot is the initial form of the wafer, and a plurality of cylindrical silicon wafers are produced through transverse cutting, and are polished and flattened like a mirror; as chip sizes become smaller, thousands of chips can be cut out of a wafer, thereby greatly increasing manufacturing difficulty.
At present, the wafer is processed by a laser welding mode, the laser welding is used as a new welding process, the welding process has the advantages of high welding strength, high welding localization and high positioning precision, the problem of overhigh temperature can occur in the processing process, the cooling effect of the welding clamp for clamping raw materials is not ideal at present, the structure is complex, and the clamping materials are inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the welding fixture is provided for solving the problems of unsatisfactory cooling effect, complex structure and inconvenient clamping material of the existing welding fixture.
In order to solve the technical problem, an embodiment of the present invention provides a welding fixture, which includes a cooling plate and a positioning fixture detachably disposed on the cooling plate;
a liquid circulation channel is arranged in the cooling plate, and the liquid circulation channel is provided with a liquid inlet and a liquid outlet;
the positioning jig is internally provided with a vacuum pipeline communicated with a vacuum source, and the positioning jig is provided with a first through hole communicated with the vacuum pipeline and used for adsorbing a product.
Optionally, the liquid circulation channel further comprises a first plug and a second plug, and the liquid circulation channel comprises a plurality of second through holes which are communicated in a criss-cross manner;
a plurality of plug holes communicated with the second through holes are formed in the cooling plate, and the first plugs are mounted in the plug holes and extend into the second through holes to plug the second through holes; two end openings of all the second through holes are respectively used as the liquid inlet and the liquid outlet, and the other end openings are sealed by the second plugs, so that all the second through holes are communicated to form a zigzag flow channel.
Optionally, the liquid circulation channel is composed of a plurality of second through holes arranged transversely and two second through holes arranged longitudinally, and the longitudinal second through holes are communicated with the transverse second through holes;
one longitudinal second through hole between two adjacent transverse second through holes is provided with one first plug to limit the cooling liquid to flow through the first through hole, and two transverse second through holes are arranged between every two first plugs in each longitudinal second through hole.
Optionally, the vacuum pipeline includes a plurality of third through holes which are criss-cross, an opening at one end of each third through hole is communicated with the vacuum source, and openings at the other ends of the third through holes are connected with third plugs in a sealing manner; the first through hole is communicated with the third through hole.
Optionally, a first positioning groove for limiting the horizontal movement of the product is arranged on the positioning jig, and the first through hole is arranged on the bottom wall of the first positioning groove;
and the positioning jig is provided with a product positioning plate for limiting the rotation of the product.
Optionally, the fixture further comprises an auxiliary adsorption assembly, the auxiliary adsorption assembly comprises a fixture pressing plate, a fixed block and an elbow, the fixture pressing plate is slidably arranged on the cooling plate, and a first elastic piece used for abutting the fixture pressing plate against the positioning fixture is arranged between the fixture pressing plate and the fixed block;
the jig pressing plate is provided with a fourth through hole, and the elbow is arranged on the jig pressing plate; the vacuum source is communicated with the elbow, the elbow is communicated with the fourth through hole, and the fourth through hole is communicated with the vacuum pipeline.
Optionally, a first guide groove is formed in the positioning jig, and an auxiliary pressing assembly for pressing the product is slidably arranged in the first guide groove;
the auxiliary pressing assembly comprises a pre-pressing block, a second elastic piece and a pre-pressing pull rod;
the pre-pressing block is arranged in the first guide groove in a sliding manner;
the second elastic piece is arranged between the pre-pressing block and the inner wall of the first guide groove and used for pushing the pre-pressing block to the position above a product to press the product tightly;
the prepressing pull rod is arranged on the prepressing block and used for pulling the prepressing block away from the product.
Optionally, the auxiliary pressing assembly further comprises a pre-pressing clamping block provided with a clamping groove, and the pre-pressing clamping block is arranged on the positioning jig and located above the pre-pressing block;
an avoidance groove is formed in the pre-pressing block, a pre-pressing clamping rod is arranged on the pre-pressing pull rod, the pre-pressing pull rod is rotatably connected to the pre-pressing block, and the pre-pressing clamping rod extends out of the avoidance groove and is clamped into the clamping groove;
after the prepressing pull rod is pulled to a preset position, the prepressing pull rod is rotated, and the prepressing clamping rod can be clamped at different positions of the clamping groove, so that the prepressing block is in a state of pressing the product or a state of keeping away from the product.
Optionally, magnet mounting holes are formed in the cooling plate and the positioning jig, and magnets are arranged in the magnet mounting holes.
Optionally, a second positioning groove is formed in the positioning jig, and a jig positioning block matched with the second positioning groove is formed in the cooling plate.
The embodiment of the utility model provides a welding fixture, simple structure, easy dismounting, through designing the positioning jig into detachable structure in order to make things convenient for the change of positioning jig, fix the product through adopting the mode of vacuum adsorption, guarantee that the product can not shift when welding, convenient and fast and can not harm the product; can cool down positioning jig through setting up the cooling plate, guarantee that the product can not damage because of the high temperature at the in-process of processing, improve the yield of product, when cooling off, the coolant liquid flows into and flows out by the liquid outlet along liquid circulation channel from the inlet, takes away the heat, realizes the cooling, and the coolant liquid can wait to the temperature to reduce back cyclic utilization simultaneously, improves economic benefits.
Drawings
Fig. 1 is an exploded view of a welding jig according to an embodiment of the present invention;
fig. 2 is a front view of a welding fixture according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
fig. 5 is a cross-sectional view of another cooling plate according to an embodiment of the present invention;
FIG. 6 is a top view of the welding fixture of FIG. 2;
fig. 7 is a schematic structural view of the positioning fixture in fig. 1.
The reference numerals in the specification are as follows:
1. a cooling plate; 11. a liquid circulation channel; 111. a second through hole; 12. a liquid inlet; 13. a liquid outlet;
2. positioning a jig; 21. a vacuum line; 211. a third through hole; 22. a first through hole; 23. a first positioning groove; 24. a second positioning groove; 25. accommodating grooves; 26. a first guide groove;
3. a plug hole;
4. an auxiliary adsorption component; 41. a jig pressing plate; 411. a connecting portion; 42. a fixed block; 421. a second guide groove; 43. bending the pipe; 44. a fourth via hole; 45. a gasket;
5. a jig positioning block;
6. a product positioning plate;
7. a jig handle;
8. a tin slag receiving cup;
9. an auxiliary compression assembly; 91. pre-briquetting; 911. an avoidance groove; 92. a second elastic member; 93. pre-pressing the pull rod; 931. pre-pressing the clamping rod; 94. pre-pressing the clamping block; 941. a clamping groove;
10. a vacuum chuck;
20. a vacuum generator;
30. magnet mounting hole.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 7, an embodiment of the present invention provides a welding fixture, which includes a cooling plate 1 and a positioning fixture 2 detachably disposed on the cooling plate 1;
a liquid circulation channel 11 is arranged in the cooling plate 1, and the liquid circulation channel 11 is provided with a liquid inlet 12 and a liquid outlet 13;
a vacuum pipeline 21 communicated with a vacuum source (not shown) is arranged in the positioning jig 2, and a first through hole 22 communicated with the vacuum pipeline 21 and used for adsorbing a product is arranged on the positioning jig 2.
Specifically, when the welding jig is used, the cooling plate 1 is fixed to a device (not shown) by a fixing member such as a bolt.
The embodiment of the utility model provides a welding fixture, simple structure, easy dismounting, through designing positioning jig 2 into detachable structure in order to make things convenient for positioning jig 2's change, fix the product through adopting the mode of vacuum adsorption, guarantee that the product can not shift when welding, convenient and fast and can not harm the product; can cool down positioning jig 2 through setting up cooling plate 1, guarantee that the product can not damage because of the high temperature at the in-process of processing, improve the yield of product, when cooling down, the coolant liquid flows into and flows out by liquid outlet 13 along liquid circulation channel 11 from the inlet, takes away the heat, realizes the cooling, and the coolant liquid can wait to the temperature and reduce back cyclic utilization, improves economic benefits simultaneously.
In an embodiment, as shown in fig. 1, 4 and 5, the welding jig further includes a first plug (not shown) and a second plug (not shown), the liquid circulation channel 11 includes a plurality of second through holes 111 in criss-cross communication;
a plurality of plug holes 3 communicated with the second through holes 111 are formed in the cooling plate 1, and the first plugs are mounted in the plug holes 3 and extend into the second through holes 111 to plug the second through holes 111; two end openings of all the second through holes 111 are respectively used as a liquid inlet 12 and a liquid outlet 13, and the other end openings are sealed by second plugs, so that all the second through holes 111 are communicated to form a zigzag flow channel. By providing the liquid circulation passage 11 as a meandering flow path, the cooling area is facilitated to be increased to enhance the cooling effect.
In one embodiment, as shown in fig. 1, 4 and 5, the liquid circulation passage 11 is composed of a plurality of second through holes 111 arranged transversely and two second through holes 111 arranged longitudinally, and the second through holes 111 arranged longitudinally are communicated with the second through holes 111 arranged transversely;
one of the longitudinal second through holes 111 between two adjacent transverse second through holes 111 is provided with a first choke plug to limit the cooling liquid to flow therethrough, and two transverse second through holes 111 are spaced between every two first choke plugs in each longitudinal second through hole. The mode that the plurality of second through holes 111 which are communicated in a criss-cross mode form the liquid circulation channel 11 facilitates machining of the liquid circulation channel 11, the first plugs are arranged to block the cooling liquid flowing through the second through holes 111, the cooling liquid is blocked into an approximate S shape, the cooling liquid can flow through all corners of the liquid circulation channel 11, the cooling liquid can uniformly spread over the cooling plate 1, and cooling efficiency is improved.
Specifically, as shown in fig. 4, the liquid circulation channel 11 is composed of six transverse (X direction in the figure) second through holes 111 and two longitudinal (Y direction in the figure) second through holes 111, the two longitudinal second through holes 111 connect the six transverse second through holes 111, and the positions a1, b1, c1, d1 and e1 are positions where first plugs are arranged to plug the second through holes 111, so that when the cooling liquid flows in from the liquid inlet 12 and flows out from the liquid outlet 13, approximately "S" shaped routing can be formed, and the direction of the arrow in the figure is the flow direction of the cooling liquid.
Alternatively, as shown in fig. 5, the liquid circulation channel 11 is composed of six transverse (X direction in the figure) second through holes 111 and two longitudinal (Y direction in the figure) second through holes 111, the two longitudinal second through holes 111 connect the six transverse second through holes 111, and the positions a2, b2, c2, d2 and e2 are positions where first plugs are arranged to plug the second through holes 111, so that when the cooling liquid flows in from the liquid inlet 12 and flows out from the liquid outlet 13, approximately "S" shaped tracks can be formed, and the direction of the arrows in the figure is the flow direction of the cooling liquid.
It should be understood that the position of the first plug is not limited to the above two positions, as long as the flow direction of the cooling liquid can be changed into the S-shaped routing.
In an embodiment, as shown in fig. 3 and 7, the vacuum pipeline 21 includes a plurality of third through holes 211 that are criss-cross, one end of one of the third through holes 211 is communicated with a vacuum source (not shown), and the hole sites of the remaining third through holes 211 are all connected with third plugs (not shown) in a sealing manner; the first through hole 22 communicates with the third through hole 211. A negative pressure is generated in the third through hole 211 by the vacuum source, so that the first through hole 22 communicated with the third through hole 211 generates an adsorption force, thereby adsorbing and fixing the product. The vacuum pipeline 21 is formed by the plurality of third through holes 211 which are communicated in a criss-cross mode, so that the vacuum pipeline 21 can be conveniently machined, redundant hole positions are sealed through third plugs (not shown), air leakage is prevented, and the first through holes 22 can have adsorption force through negative pressure.
Specifically, as shown in fig. 3 and 7, the vacuum pipeline 21 is composed of a transverse (X direction in the figure) third through hole 211 and three longitudinal (Y direction in the figure) third through holes 211, one transverse third through hole 211 connects the three longitudinal third through holes 211, five first through holes 22 respectively connected with the third through holes 211 are arranged on the positioning jig 2, wherein the connecting line of the four first through holes 22 forms a square, the remaining one first through hole 22 is located at the center of the square, at this time, the transverse third through hole 211 and the longitudinal third through hole 211 located in the middle of the remaining two longitudinal third through holes 211 are exactly used as the central axis of the square, and the first through hole 22 located at the center of the square is connected with the intersection of the two third through holes 211 as the central axis. It should be understood that the arrangement of the vacuum line 21 and the first through hole 22 is not limited to one, and it is preferable that the product is more firmly adsorbed.
In an embodiment, as shown in fig. 1 and 7, the positioning fixture 2 is provided with a first positioning groove 23 for positioning the product to move horizontally, and the first through hole 22 is provided on the bottom wall of the first positioning groove 23. Make more convenient and the position of placing more accurate when placing the product through setting up first constant head tank 23, the shape of first constant head tank 23 is designed according to the concrete shape of product.
Preferably, as shown in fig. 1, the welding jig further includes a vacuum chuck 10, the vacuum chuck 10 is correspondingly disposed in the first through hole 22, and a suction portion of the vacuum chuck 10 protrudes out of the first through hole 22 to suck the product. The vacuum chuck 10 can make the product more stable when being adsorbed and fixed on the positioning jig 2.
In an embodiment, as shown in fig. 1, the positioning fixture 2 is provided with a product positioning plate 6 for limiting the rotation of the product. Through setting up product locating plate 6, can tentatively fix a position the product to make things convenient for the product to place and fix on positioning jig 2. Specifically, the product itself has the location breach, and the shape of product locating plate 6 designs according to the location breach of product, and when the product was placed on positioning jig 2, the location breach and the cooperation of product locating plate 6 of product were tentatively fixed a position.
In an embodiment, as shown in fig. 1 and 3, the cooling device further includes an auxiliary adsorption component 4, the auxiliary adsorption component 4 includes a jig pressing plate 41, a fixing block 42 and an elbow 43, the jig pressing plate 41 is slidably disposed on the cooling plate 1, and a first elastic member (not shown) for abutting the jig pressing plate 41 against the positioning jig 2 is disposed between the jig pressing plate 41 and the fixing block 42;
a fourth through hole 44 is arranged on the jig pressing plate 41, and the elbow 43 is arranged on the jig pressing plate 41; a vacuum source (not shown) is in communication with the elbow 43, the elbow 43 is in communication with the fourth through-hole 44, and the fourth through-hole 44 is in communication with the vacuum line 21. When the positioning jig 2 is fixed on the cooling plate 1, the jig pressing plate 41 abuts against the positioning jig 2 due to the effect of the first elastic member, so that the fourth through hole 44 is communicated with the vacuum pipeline 21, the vacuum source is communicated with the first through hole 22, and the vacuum pipeline 21 can be in a negative pressure state as long as the vacuum source provides negative pressure, so that the first through hole 22 generates adsorption force. Through setting up supplementary adsorption component 4, can need not be with the trachea lug connection of switch-on vacuum source on positioning jig 2, but through supplementary adsorption component 4 indirect with vacuum source and vacuum line 21 intercommunication for practice thrift when installing and removing positioning jig 2 the step of dismantling with positioning jig 2 lug connection's trachea, make things convenient for installing and removing of positioning jig 2.
Preferably, the fixed block 42 is fixed on the cooling plate 1, the jig pressing plate 41 is provided with the connecting portion 411, the fixed block 42 is provided with the second guide groove 421 matched with the connecting portion 411, and the connecting portion 411 extends into the second guide groove 421, so that the jig pressing plate 41 is abutted to the process of tightly positioning the jig 2 by the first elastic member more stably.
Preferably, the positioning jig 2 is provided with a holding groove 25 engaged with the jig pressing plate 41, the end opening of the vacuum pipeline 21 for communicating with the vacuum source is located in the holding groove 25, when the positioning jig 2 is fixed on the cooling plate 1, the jig pressing plate 41 is partially accommodated in the holding groove 25, and the fourth through hole 44 is communicated with the vacuum pipeline 21. Through setting up holding tank 25, both made things convenient for fourth through hole 44 and vacuum line 21 intercommunication, also be favorable to improving the leakproofness between tool pressure strip 41 and the positioning jig 2.
In one embodiment, as shown in FIG. 1, the vacuum source is a vacuum generator 20, and the vacuum generator 20 is in communication with the vacuum line 21 via a gas line (not shown) and provides a negative pressure to the vacuum line 21. The vacuum generator 20 is an existing vacuum component, has the advantages of high efficiency, cleanness, economy, small size and the like, and is favorable for improving the compactness and the simplicity of the overall structure of the welding fixture.
Of course, a vacuum pump may be selected to provide the vacuum line 21 with negative pressure.
In an embodiment, as shown in fig. 6, the auxiliary absorption assembly 4 further includes a sealing pad 45, and the sealing pad 45 is disposed between the jig pressing plate 41 and the positioning jig 2. The sealing performance between the jig pressing plate 41 and the positioning jig 2 is improved, so that the adsorption effect of the first through hole 22 is improved.
In an embodiment, as shown in fig. 1, 6 and 7, a first guide groove 26 is provided on the positioning fixture 2, and an auxiliary pressing assembly 9 for pressing a product is slidably provided in the first guide groove 26;
the auxiliary pressing assembly 9 comprises a prepressing block 91, a second elastic piece 92 and a prepressing pull rod 93;
the pre-pressing block 91 is slidably arranged in the first guide groove 26;
the second elastic piece 92 is arranged between the pre-pressing block 91 and the inner wall of the first guide groove 26 and used for pushing the pre-pressing block 91 to the upper side of the product to press the product tightly;
the pre-pressing pull rod 93 is arranged on the pre-pressing block 91 and used for pulling the pre-pressing block 91 away from the product.
When the second elastic member 92 pushes the pre-pressing block 91 to the upper side of the product, the pre-pressing block can pre-press the product, and when the product does not need to be pressed, the pre-pressing pull rod 93 can be pulled to move the pre-pressing block 91 in the direction away from the product so as to loosen the product. Through setting up supplementary subassembly 9 that compresses tightly can fix the product in advance, prevent that the product from rocking, guarantee that positioning jig 2 can adsorb the product more smoothly.
In an embodiment, as shown in fig. 1, 6 and 7, the auxiliary pressing assembly 9 further includes a pre-pressing blocking block 94 having a blocking groove 941, and the pre-pressing blocking block 94 is disposed on the positioning fixture 2 and above the pre-pressing block 91;
be equipped with on prebake 91 and dodge groove 911, be equipped with on the pre-compaction pull rod 93 and pre-press screens pole 931, pre-compaction pull rod 93 rotates to be connected on prebake 91, and pre-compaction screens pole 931 stretches out and dodges groove 911 and the card advances screens groove 941:
after the pre-pressing pull rod 93 is pulled to a preset position, the pre-pressing pull rod 93 is rotated, the pre-pressing clamping rod 931 can be clamped at different positions of the clamping groove 941, and the pre-pressing block 91 is in a state of pressing a product or a state of being far away from the product. The pre-pressing block 91 can be operated more conveniently by arranging the clamping groove 941 and the pre-pressing clamping rod 931.
Specifically, the clamping groove 941 is "L" shaped, so that the clamping groove 941 has a first clamping surface and a second clamping surface, the distance from the product to the second clamping surface is longer than the distance from the product to the first clamping surface, when the product is not pre-pressed, the pre-pressing clamping rod 931 is clamped on the second clamping surface, at this time, the pre-pressing block 91 is in a state far away from the product and makes the second elastic member 92 in a deformed state, when the product is to be pre-pressed, the pre-pressing pull rod 93 is rotated to make the pre-pressing clamping rod 931 leave the second clamping surface, at this time, under the effect of the elastic force of the second elastic member 92, the pre-pressing clamping rod 931 is clamped on the first clamping surface along the track of the clamping groove 941, and the pre-pressing block 91 is moved to the top of the product under the guidance of the first guide groove 26 and pre-presses the product.
In one embodiment, as shown in fig. 1, magnet mounting holes 30 are provided on the cooling plate 1 and the positioning jig 2, and magnets (not shown) are provided in the magnet mounting holes 30. When installing positioning jig 2 on cooling plate 1, magnet on cooling plate 1 and the magnet on positioning jig 2 attract each other for the laminating is inseparable between positioning jig 2 and the cooling plate 1, has improved refrigerated effect.
In an embodiment, as shown in fig. 1 and 7, the positioning fixture 2 is provided with a second positioning groove 24, and the cooling plate 1 is provided with a fixture positioning block 5 engaged with the second positioning groove 24. Through setting up second constant head tank 24 and tool locating piece 5, can make things convenient for positioning jig 2 to install on cooling plate 1.
In one embodiment, as shown in fig. 1, the positioning jig 2 is provided with a jig handle 7 to facilitate taking the positioning jig 2 during assembling and disassembling.
In one embodiment, as shown in fig. 1, the solder cup 8 is further included for receiving solder dross. The tin dross is conveniently collected and treated during welding, and the working efficiency is improved. Specifically, the tin slag receiving cup 8 is fixed on the cooling plate 1 through a fixing frame, and the arrangement position of the fixing frame is not limited, so that tin slag can be conveniently collected.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A welding fixture is characterized by comprising a cooling plate and a positioning fixture detachably arranged on the cooling plate;
a liquid circulation channel is arranged in the cooling plate, and the liquid circulation channel is provided with a liquid inlet and a liquid outlet;
the positioning jig is internally provided with a vacuum pipeline communicated with a vacuum source, and the positioning jig is provided with a first through hole communicated with the vacuum pipeline and used for adsorbing a product.
2. The welding fixture of claim 1, further comprising a first plug and a second plug, wherein the liquid circulation channel comprises a plurality of second through holes in criss-cross communication;
a plurality of plug holes communicated with the second through holes are formed in the cooling plate, and the first plugs are mounted in the plug holes and extend into the second through holes to plug the second through holes; two end openings of all the second through holes are respectively used as the liquid inlet and the liquid outlet, and the other end openings are sealed by the second plugs, so that all the second through holes are communicated to form a zigzag flow channel.
3. The welding jig of claim 2, wherein the liquid circulation passage is constituted by a plurality of the second through holes arranged in the transverse direction and two of the second through holes arranged in the longitudinal direction, the second through holes in the longitudinal direction communicating with the second through holes in the transverse direction;
one longitudinal second through hole between two adjacent transverse second through holes is provided with one first plug to limit the cooling liquid to flow through the first through hole, and two transverse second through holes are arranged between every two first plugs in each longitudinal second through hole.
4. The welding fixture of claim 1, wherein the vacuum pipeline comprises a plurality of third through holes which are criss-cross, one end opening of each third through hole is communicated with the vacuum source, and the other end openings are connected with third plugs in a sealing mode; the first through hole is communicated with the third through hole.
5. The welding fixture of claim 1, wherein the positioning fixture is provided with a first positioning groove for limiting horizontal movement of the product, and the first through hole is formed in a bottom wall of the first positioning groove;
and the positioning jig is provided with a product positioning plate for limiting the rotation of the product.
6. The welding fixture of claim 1, further comprising an auxiliary adsorption component, wherein the auxiliary adsorption component comprises a fixture pressing plate, a fixed block and an elbow, the fixture pressing plate is slidably disposed on the cooling plate, and a first elastic member for abutting the fixture pressing plate against the positioning fixture is disposed between the fixture pressing plate and the fixed block;
the jig pressing plate is provided with a fourth through hole, and the elbow is arranged on the jig pressing plate; the vacuum source is communicated with the elbow, the elbow is communicated with the fourth through hole, and the fourth through hole is communicated with the vacuum pipeline.
7. The welding fixture of claim 1, wherein the positioning fixture is provided with a first guide groove, and an auxiliary pressing assembly for pressing the product is slidably arranged in the first guide groove;
the auxiliary pressing assembly comprises a pre-pressing block, a second elastic piece and a pre-pressing pull rod;
the pre-pressing block is arranged in the first guide groove in a sliding manner;
the second elastic piece is arranged between the pre-pressing block and the inner wall of the first guide groove and used for pushing the pre-pressing block to the position above a product to press the product tightly;
the prepressing pull rod is arranged on the prepressing block and used for pulling the prepressing block away from the product.
8. The welding fixture of claim 7, wherein the auxiliary pressing assembly further comprises a pre-pressing block with a blocking groove, and the pre-pressing block is arranged on the positioning fixture and above the pre-pressing block;
an avoidance groove is formed in the pre-pressing block, a pre-pressing clamping rod is arranged on the pre-pressing pull rod, the pre-pressing pull rod is rotatably connected to the pre-pressing block, and the pre-pressing clamping rod extends out of the avoidance groove and is clamped into the clamping groove;
after the prepressing pull rod is pulled to a preset position, the prepressing pull rod is rotated, and the prepressing clamping rod can be clamped at different positions of the clamping groove, so that the prepressing block is in a state of pressing the product or a state of keeping away from the product.
9. The welding fixture of claim 1, wherein the cooling plate and the positioning fixture are provided with magnet mounting holes, and magnets are disposed in the magnet mounting holes.
10. The welding fixture of claim 1, wherein the positioning fixture is provided with a second positioning groove, and the cooling plate is provided with a fixture positioning block engaged with the second positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839601.6U CN211516348U (en) | 2019-10-29 | 2019-10-29 | Welding fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839601.6U CN211516348U (en) | 2019-10-29 | 2019-10-29 | Welding fixture |
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| CN211516348U true CN211516348U (en) | 2020-09-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113182743A (en) * | 2021-06-16 | 2021-07-30 | 三门技师学院 | Nuclear fuel assembly grillwork welding jig |
| CN113465424A (en) * | 2021-07-19 | 2021-10-01 | 无锡讯昀精密机械有限公司 | Automatic liquid injection and vacuum-pumping equipment |
| CN114473273A (en) * | 2022-03-14 | 2022-05-13 | 二重（德阳）重型装备有限公司 | Liquid cooling support tool for plug-in type connecting pipe and anti-deformation method for reactor core measuring pipe |
| CN115502505A (en) * | 2022-10-28 | 2022-12-23 | 恒烁半导体(合肥)股份有限公司 | MCU chip welding set |
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2019
- 2019-10-29 CN CN201921839601.6U patent/CN211516348U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182743A (en) * | 2021-06-16 | 2021-07-30 | 三门技师学院 | Nuclear fuel assembly grillwork welding jig |
| CN113465424A (en) * | 2021-07-19 | 2021-10-01 | 无锡讯昀精密机械有限公司 | Automatic liquid injection and vacuum-pumping equipment |
| CN113465424B (en) * | 2021-07-19 | 2023-02-28 | 无锡讯昀精密机械有限公司 | Automatic liquid injection and vacuum-pumping equipment |
| CN114473273A (en) * | 2022-03-14 | 2022-05-13 | 二重（德阳）重型装备有限公司 | Liquid cooling support tool for plug-in type connecting pipe and anti-deformation method for reactor core measuring pipe |
| CN114473273B (en) * | 2022-03-14 | 2023-01-20 | 二重（德阳）重型装备有限公司 | Liquid cooling support tool for plug-in type connecting pipe and anti-deformation method for reactor core measuring pipe |
| CN115502505A (en) * | 2022-10-28 | 2022-12-23 | 恒烁半导体(合肥)股份有限公司 | MCU chip welding set |
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