CN220528295U - Special SMT anchor clamps of ceramic substrate of fish tail are prevented to high repetition precision - Google Patents

Abstract

The SMT fixture special for the ceramic substrate is provided with a mounting base and a limiting placement groove, wherein the limiting placement groove is arranged on the mounting base; the spacing mounting groove is provided with and settles contact groove and spacing card and put the groove, and spacing card is put the groove and is set up in the top of settling the contact groove, and settle the inner wall protrusion of contact groove and the inner wall of spacing card and put the groove. This special SMT anchor clamps of ceramic substrate of high repetition precision scratch prevention is through carrying out the bearing with the bottom of product, can place on the automatic line of solder printing machine after assembling in batches, carries out effective spacing to the product simultaneously and fixes, forms the effective fixed to the product in printing welding to automatic conveying process. The device can realize high-precision printing of solder when in use, prevent the technical problems of substrate surface damage, heat dissipation improvement and the like, improve the production efficiency, ensure the accuracy of printing the solder and improve the quality of products.

Description

Special SMT anchor clamps of ceramic substrate of fish tail are prevented to high repetition precision

Technical Field

The utility model relates to the technical field of thick film integrated circuit processes, in particular to a high-repetition-precision scratch-proof SMT fixture special for a ceramic substrate.

Background

In the SMT process, since the product needs to print solder in batches on an automatic line of a solder printer in the SMT process, when the product needs to be provided with a special tray for auxiliary operation in the solder printing process, the solder printing precision is not high because the tray is not completely fixed in the operation process, the clamp or the tray which is usually adopted by the prior device is mainly made of plastic or aluminum substrates, the product is clamped on two sides by adopting a hinge and other modes, and the product is inevitably contacted with the clamp by adopting a two-side pressing mode, and slight touch can generate scratches on the gold surface of the substrate; so that the tray is easy to abrade the surface of the product by contacting the product; meanwhile, the tray can only be used for single-sided protection product production during operation, an effective fixing mode is not used, the alignment precision of the tray and the product is low, and the solder printing is affected, so that the solder deviation phenomenon is easily caused.

Such as in the art: 2022207616461 in an automatic SMT fixture device for FPC conversion, for example, the automatic SMT fixture device comprises a carrier conveying mechanism and a transfer mechanism, wherein a conveying mechanism for conveying products is arranged between the carrier conveying mechanism and the transfer mechanism, the carrier conveying mechanism comprises a feeding conveying line, a conveying assembly, a feeding positioning assembly and a discharging positioning assembly, the feeding positioning assembly and the discharging positioning assembly are respectively arranged at two ends of the conveying assembly, and the feeding conveying line is connected with the feeding positioning assembly;

the transfer mechanism comprises a blanking conveying line, a limiting assembly and a driving assembly, wherein the limiting assembly is in driving connection with the driving assembly, the blanking conveying line is communicated with the limiting assembly, the loading conveying line conveys a carrier loaded with a product to the loading positioning assembly, the conveying mechanism conveys the product to a new carrier on the limiting assembly and then conveys the product to the blanking positioning assembly through the blanking conveying line, and the conveying assembly conveys the carrier on the loading positioning assembly to the blanking positioning assembly to flow to the next procedure.

Further, the feeding conveying line is identical with the discharging conveying line in mechanism, the feeding conveying line comprises a conveying frame, two conveying rails are arranged on the conveying frame, conveying wheels are arranged on the conveying rails and connected through conveying belts, the conveying wheels are connected with conveying motors in a driving mode, the two conveying rails are connected through driving shafts in a driving mode, and the conveying motors are connected with the driving shafts in a driving mode.

In the use process, the bottom of the product cannot be effectively protected, and meanwhile, the product is inevitably worn and is unfavorable for subsequent processing.

Therefore, in order to overcome the defects in the prior art, it is necessary to provide a high-repetition-precision scratch-proof SMT fixture special for ceramic substrates.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the high-repetition-precision scratch-proof SMT clamp special for the ceramic substrate, which can be placed on an automatic line of a solder printing machine after being assembled in batches by supporting the bottom of the product, and meanwhile, the product is effectively limited and fixed, and the product is effectively fixed in the process of printing the solder to automatically conveying. The device can realize high-precision printing of solder when in use, prevent the technical problems of substrate surface damage, heat dissipation improvement and the like, improve the production efficiency, ensure the accuracy of printing the solder and improve the quality of products.

The above object of the present utility model is achieved by the following means.

The SMT fixture special for the ceramic substrate is provided with a mounting base and a limiting placement groove, wherein the limiting placement groove is arranged on the mounting base; the spacing mounting groove is provided with one or more sets of, and every group is located the mounting contact groove and is located the card and put the groove, and the card is put the groove and is set up in the top of mounting the contact groove, and the inner wall protrusion of mounting the contact groove and the inner wall of card is put the groove.

Preferably, the above-mentioned clamping through groove that still is provided with and is used for snatching the product, clamping through groove sets up in the mounting base, and clamping through groove communicates with each other with settling contact groove and spacing card position groove respectively.

Wherein, the clamping through groove is provided with one or more groups.

Preferably, the mounting base is provided with a limiting substrate and a mounting substrate, the limiting substrate is fixedly connected with the mounting substrate, the positioning contact groove is formed in the mounting substrate, and the limiting clamping groove is formed in the limiting substrate.

Preferably, the above-mentioned spacing mounting groove is still provided with multiunit top foot protection groove, and every group top foot protection groove evenly sets up in spacing base plate respectively, and every group top foot protection groove evenly sets up in spacing card position groove's four corners respectively, and every group top foot protection groove is linked together with spacing card position groove simultaneously.

Preferably, the mounting base is further provided with an information identification area, and the information identification area is arranged on the outer wall surface of the limiting substrate.

Wherein, the horizontal distance between the inner wall surface of the contact groove and the inner wall surface of the limit clamping groove is D, and D is more than or equal to 0.5mm and less than or equal to 5mm.

Preferably, the above-mentioned spacing mounting groove is still provided with multiunit elasticity screens subassembly, and the one end of elasticity screens subassembly is fixed in top foot protection groove, and top foot protection groove and elasticity screens subassembly one-to-one.

Preferably, the elastic clamping assembly is provided with a fixed concave table, a spring and an outer arc half-moon platform, wherein the fixed concave table is fixed in the top foot protection groove, two ends of the spring are respectively fixedly connected with the fixed concave table and the outer arc half-moon platform, and the half-moon position of the outer arc half-moon platform is matched with four corners of the limiting clamping groove.

The limiting substrate is an alumina ceramic limiting substrate, and the mounting substrate is an alumina ceramic mounting substrate; the fixed concave table is an alumina ceramic fixed concave table, and the outer arc half-moon table is an alumina ceramic outer arc half-moon table.

The utility model relates to a high-repetition-precision scratch-proof SMT fixture special for a ceramic substrate, which is provided with a mounting base and a limiting placement groove, wherein the limiting placement groove is arranged on the mounting base; the spacing mounting groove is provided with and settles contact groove and spacing card and put the groove, and spacing card is put the groove and is set up in the top of settling the contact groove, and settle the inner wall protrusion of contact groove and the inner wall of spacing card and put the groove. When the device is used, the mounting base is arranged on a product production line, meanwhile, the product is arranged in the limiting clamping groove of the limiting arrangement groove, and due to the fact that the inner wall surface of the arrangement contact groove protrudes out and is in a certain empty area with the mounting base, the product is prevented from contacting the production line at the bottom of the product, the phenomenon of wiping is caused, meanwhile, the product can be fixed and limited due to the limiting clamping groove, displacement phenomenon is prevented when the product moves on the production line, and the phenomenon of printing dislocation is caused. This special SMT anchor clamps of ceramic substrate of high repetition precision scratch prevention is through carrying out the bearing with the bottom of product, can place on the automatic line of solder printing machine after assembling in batches, carries out effective spacing to the product simultaneously and fixes, forms the effective fixed to the product in printing welding to automatic conveying process. The device can realize high-precision printing of solder when in use, prevent the technical problems of substrate surface damage, heat dissipation improvement and the like, improve the production efficiency, ensure the accuracy of printing the solder and improve the quality of products.

Drawings

The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.

Fig. 1 is a schematic structural diagram of an embodiment 1 of an SMT fixture for a ceramic substrate with high repeatability and scratch resistance.

Fig. 2 is a schematic view of the structure of a mounting base in embodiment 1 of an SMT fixture for a ceramic substrate with high repeatability and scratch resistance.

Fig. 3 is a schematic diagram of a limit substrate structure in embodiment 1 of an SMT fixture for a ceramic substrate with high repetition accuracy and scratch resistance.

Fig. 4 is a schematic view of the structure of a mounting substrate in embodiment 1 of an SMT fixture for a ceramic substrate with high repeatability and scratch resistance according to the present utility model.

Fig. 5 is a schematic diagram of the numerical range structure between the placement contact groove and the limit clamping groove in embodiment 1 of the high-repetition precision scratch-proof ceramic substrate special SMT fixture of the present utility model.

Fig. 6 is a schematic structural diagram of an embodiment 2 of an SMT fixture for ceramic substrates with high repeatability and scratch resistance.

Fig. 7 is a schematic structural diagram of an elastic clamping component and a limiting substrate in embodiment 3 of an SMT fixture for a ceramic substrate with high repetition accuracy and scratch resistance.

Fig. 8 is a schematic diagram of the structure of an elastic clamping component in embodiment 3 of the SMT fixture for a ceramic substrate with high repetition accuracy and scratch resistance.

In fig. 1 to 8, there are:

a mounting base 100, a limit substrate 101, a mounting substrate 102, and an information identification area 103;

a limit setting groove 200, a setting contact groove 201, a limit clamping groove 202 and a top pin protection groove 203;

a clamping through groove 300,

An elastic detent assembly 400, a fixed concave table 401, a spring 402, and an outer arc half-moon table 403.

Detailed Description

The utility model will be further described with reference to the following examples.

Example 1.

As shown in fig. 1, the SMT fixture special for the ceramic substrate with high repetition precision scratch prevention is provided with a mounting base 100 and a limit placement groove 200, wherein the limit placement groove 200 is arranged on the mounting base 100; the limit positioning grooves 200 are provided with one or more groups, each group of limit positioning grooves 200 is provided with a positioning contact groove 201 and a limit clamping groove 202, the limit clamping groove 202 is arranged at the top of the positioning contact groove 201, and the inner wall surface of the positioning contact groove 201 protrudes out of the inner wall surface of the limit clamping groove 202. In this embodiment, the limit setting grooves are provided with 1 group, and may be provided with 2 groups, 3 groups, 4 groups, or the like in actual use.

When the device is used, the mounting base 100 is arranged on a product production line, meanwhile, the product is arranged in the limiting clamping groove 202 of the limiting arrangement groove 200, and the inner wall surface of the arrangement contact groove 201 protrudes out of the inner wall surface of the limiting clamping groove 202, so that a certain empty area exists between the product and the mounting base 100 when the product is arranged, the bottom of the product is prevented from contacting the production line, the phenomenon of wiping is caused, and meanwhile, the heat dissipation efficiency of the product in a solder printing stage is also improved.

Specifically, the above-mentioned clamping through groove 300 for grabbing the product is further provided, the clamping through groove 300 is disposed on the mounting base 100, and the clamping through groove 300 is respectively communicated with the positioning contact groove 201 and the limiting clamping groove 202. Through being provided with and pressing from both sides and getting logical groove 300 can place the product fast, also can press from both sides fast to the product simultaneously after the printing finishes, prevents that the product from causing unnecessary damage. It should be noted that, in the solution, the positioning slots 200 of each group are correspondingly matched with the clamping through slots 300.

Wherein, the clamping through groove 300 is provided with one or more groups. The clamping through grooves 300 are provided with 6 groups, wherein every three groups are intersected with each other, and every three groups of clamping through grooves 300 are uniformly arranged on one side of the mounting base 100. Through the arrangement, the placement of the product preprocessing stage, the implementation detection of the processing link stage and the picking of the product processing completion stage can be facilitated. The above 6 sets of gripping through grooves 300 are all provided in one set of the limit setting grooves 200 of the same set.

Specifically, as shown in fig. 2, 3 and 4, the mounting base 100 is provided with a limiting substrate 101 and a mounting substrate 102, the limiting substrate 101 is fixedly connected to the mounting substrate 102, the mounting contact groove 201 is provided on the mounting substrate 102, and the limiting clamping groove 202 is provided on the limiting substrate 101. The limiting substrate 101 and the mounting substrate 102 are fixedly connected in a fixed manner by sintering printing paste, and the printing paste can be used safely, stably and continuously in a high-temperature environment by sintering and connecting. The use is, through placing the product on mounting substrate 102, mounting substrate 102 realizes the bearing effect to the product with settling contact groove 201, prevents that the product from contacting the production line, causes the bottom face of product to wipe the flower phenomenon. Meanwhile, the limiting base plate 101 and the limiting clamping groove 202 effectively fix the periphery of the product, and movement of the product is prevented.

Specifically, as shown in fig. 3, the limiting placement groove 200 is further provided with a plurality of groups of top pin protection grooves 203, each group of top pin protection grooves 203 is uniformly disposed on the limiting substrate 101, each group of top pin protection grooves 203 is uniformly disposed at four corners of the limiting clamping groove 202, and each group of top pin protection grooves 203 is simultaneously communicated with the limiting clamping groove 202. By providing the foothold 203, four corners of the product can be prevented from being damaged during the placement stage.

Specifically, as shown in fig. 2, the mounting base 100 is further provided with an information identification area 103, where the information identification area 103 is provided with one or more groups, and the information identification area 103 is provided on an outer wall surface of the limiting substrate 101. The information identification area 103 is provided with a set in this embodiment. Through the information of the information identification area 103, the identification information can be laser engraved on the mounting base 100, so that the identification information can be still identified even after being subjected to a high-temperature furnace, a processing user can quickly identify the product, and the production and use efficiency of the product is improved.

As shown in FIG. 5, the horizontal distance between the inner wall surface of the contact groove 201 and the inner wall surface of the limit clamping groove 202 is D, and D is 0.5mm or less and 5mm or less.

The limiting substrate 101 is an alumina ceramic limiting substrate 101, and the mounting substrate 102 is an alumina ceramic mounting substrate 102. Through adopting the spacing base plate 101 of alumina ceramic and alumina ceramic mounting substrate 102 can promote the high temperature resistant corrosion-resistant function of anchor clamps for the anchor clamps can not damage because of the high temperature furnace in the processing link, promote the reuse number of times of anchor clamps, reduce the use cost of enterprise.

The SMT fixture special for the ceramic substrate is provided with a mounting base and a limiting placement groove, wherein the limiting placement groove is arranged on the mounting base; the spacing mounting groove is provided with and settles contact groove and spacing card and put the groove, spacing card is put the groove and is set up in the top of settling contact groove, and settle the internal face in contact groove protrusion and spacing card and put the groove, during the use, through placing the product on mounting substrate of mounting substrate, play the effect of bearing to the product jointly with the cooperation of settling contact groove on the mounting substrate, prevent that the product from contacting the production line operation platform and causing the phenomenon of wiping and prevent that the product from bottom overheated in the print sintering link, the spacing card that sets up simultaneously on spacing substrate put the groove with the product fixed spacing all around, prevent the removal of product on mounting substrate, the multiunit top foot protection groove that sets up on the spacing mounting groove can protect the four corners of product also can prevent that the four corners of product from being wiped or damage. This special SMT anchor clamps of ceramic substrate of high repetition precision scratch prevention can carry out effectual fixed spacing to the product, prevents the scratch of product simultaneously, ensures that the processing link of product can not appear the error, realizes that high accuracy printing solder prevents the solder deviation, also improves radiating technological problem simultaneously, can improve production efficiency, guarantees the accuracy of printing solder, promotes the quality of product.

Example 2.

The SMT fixture dedicated to the ceramic substrate with high repetition accuracy and scratch resistance is otherwise the same as that of embodiment 1, except that in this embodiment, as shown in fig. 6, the limit setting grooves are provided with 2 sets.

The placement quantity of products can be increased by arranging 2 groups of limit placement grooves, the production efficiency is improved, and the production cost of enterprises is reduced.

Example 3.

The SMT fixture specially used for the ceramic substrate with high repetition precision and scratch resistance has the same other structure as any one of embodiment 1 or embodiment 2, except that, as shown in fig. 7, the limiting and positioning groove 200 is further provided with a plurality of groups of elastic positioning components 400, one end of the elastic positioning component 400 is fixed to the top pin protecting groove 203, and the top pin protecting groove 203 corresponds to the elastic positioning components 400 one by one.

Specifically, as shown in fig. 8, the elastic clamping assembly 400 is provided with a fixed concave table 401, a spring 402 and an outer arc half-moon table 403, the fixed concave table 401 is fixed in the top-foot protection slot 203, two ends of the spring 402 are respectively fixedly connected with the fixed concave table 401 and the outer arc half-moon table 403, and the half-moon position of the outer arc half-moon table 403 is matched with four corners of the limit clamping slot 202.

Wherein, the fixed concave stage 401 is an alumina ceramic fixed concave stage 401, and the outer arc half-moon stage 403 is an alumina ceramic outer arc half-moon stage 403.

Can carry out further fixed to the product through setting up elasticity screens subassembly, simultaneously because elasticity screens subassembly when using, the outer arc half platform of elasticity screens subassembly supports the four corners of product, can prevent the removal of product, also guarantees can not lead to the fact wearing and tearing to the four corners of product, the fixed limiting displacement of product.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. The utility model provides a special SMT anchor clamps of ceramic substrate of high repetition precision scratch prevention which characterized in that: the device is provided with a mounting base and a limiting placement groove, wherein the limiting placement groove is arranged on the mounting base; the limiting and positioning grooves are formed in one or more groups, each group of limiting and positioning groove is provided with a positioning contact groove and a limiting and clamping groove, the limiting and clamping groove is formed in the top of the positioning contact groove, and the inner wall surface of the positioning contact groove protrudes out of the inner wall surface of the limiting and clamping groove.

2. The high-repetition-precision scratch-resistant ceramic substrate special SMT fixture of claim 1, wherein: the clamping through groove is used for grabbing products, is arranged on the mounting base, and is communicated with the placing contact groove and the limiting clamping groove respectively.

3. The high-repetition-precision scratch-resistant ceramic substrate special SMT fixture of claim 2, wherein: the clamping through grooves are provided with one or more groups.

4. The high-repetition-precision scratch-resistant ceramic substrate special SMT fixture of claim 3, wherein: the mounting base is provided with a limiting substrate and a mounting substrate, the limiting substrate is fixedly connected with the mounting substrate, the arrangement contact groove is formed in the mounting substrate, and the limiting clamping groove is formed in the limiting substrate.

5. The high-repetition-precision scratch-resistant ceramic substrate special SMT fixture of claim 4, wherein: the limiting and arranging groove is further provided with a plurality of groups of top pin protection grooves, each group of top pin protection grooves are respectively and uniformly arranged in the limiting substrate, each group of top pin protection grooves are respectively and uniformly arranged in four corners of the limiting clamping groove, and meanwhile, each group of top pin protection grooves are communicated with the limiting clamping groove.

6. The high-repetition-precision scratch-resistant ceramic substrate special SMT fixture of claim 5, wherein: the mounting base is also provided with an information identification area, and the information identification area is arranged on the outer wall surface of the limiting substrate.

7. The high-repetition-precision scratch-resistant ceramic substrate special SMT fixture of claim 6, wherein: and D is more than or equal to 0.5mm and less than or equal to 5mm, wherein the horizontal distance between the inner wall surface of the placement contact groove and the inner wall surface of the limit clamping groove is D.

8. The high-repetition-precision scratch-resistant ceramic substrate special SMT fixture of claim 7, wherein: the limiting and positioning groove is further provided with a plurality of groups of elastic clamping components, one end of each elastic clamping component is fixed to the corresponding top pin protecting groove, and the top pin protecting grooves correspond to the elastic clamping components one by one.

9. The high-repetition-precision scratch-resistant ceramic substrate special SMT fixture of claim 8, wherein: the elastic clamping component is provided with a fixed concave table, a spring and an outer arc half-moon platform, the fixed concave table is fixed in the top foot protection groove, two ends of the spring are respectively fixedly connected with the fixed concave table and the outer arc half-moon platform, and the half-moon position of the outer arc half-moon platform is matched with four corners of the limiting clamping groove.

10. The high-repetition-precision scratch-resistant ceramic substrate special SMT fixture of claim 9, wherein: the limiting substrate is an alumina ceramic limiting substrate, and the mounting substrate is an alumina ceramic mounting substrate; the fixed concave table is an alumina ceramic fixed concave table, and the outer arc half-moon table is an alumina ceramic outer arc half-moon table.