CN209861305U

CN209861305U - Paster reflow soldering tool with press from both sides tight structure

Info

Publication number: CN209861305U
Application number: CN201920167145.9U
Authority: CN
Inventors: 蔡香湘
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2019-12-27
Anticipated expiration: 2029-01-28

Abstract

The utility model discloses a paster reflow soldering tool with clamping structure, this tool includes base and loading tool, the detachable connection of loading tool is on the base, and loading tool includes tool body and plate loading frame, and plate loading frame sets up on the upper portion surface of tool body, and plate loading frame and outside plate cooperation, and outside plate gomphosis is in this plate loading frame; the jig also comprises an elastic clamping piece, the elastic clamping piece is embedded on the loading jig, and the elastic clamping piece is connected with the base; after the external plate is embedded on the plate loading frame, the elastic clamping piece elastically abuts against the side edge of the external plate to clamp the external plate. Compared with the prior art, the utility model discloses in the middle of, set up size and the shape that the outside plate can furthest be cooperated to the elasticity holder, correspond and compress tightly outside plate, guarantee that it does not deviate from the position at reflow soldering's in-process, and then improve reflow soldering's precision.

Description

Paster reflow soldering tool with press from both sides tight structure

Technical Field

The utility model belongs to reflow soldering tool makes the field, in particular to paster reflow soldering tool with press from both sides tight structure.

Background

Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components. In the existing process production, the PCB processing is usually carried out by using an SMT paster technology.

SMT is Surface mount Technology (Surface Mounted Technology), an acronym for Surface Mounted Technology, which is one of the most popular techniques and processes in the electronic assembly industry. The surface-mounted component without pins or short leads is mounted on the surface of a PCB or other substrates and is welded and assembled by methods such as reflow soldering, dip soldering and the like.

Reflow soldering is also called reflow soldering, soft soldering of mechanical and electrical connection between a soldering end or a pin of a surface-mounted component and a soldering pad of a printed board is realized by remelting paste soft solder pre-distributed on the soldering pad of the printed board, and when a reflow soldering method is used for processing a PCB, colloidal flux is melted and adhered to a specified position by hot airflow under certain high-temperature airflow, so that the soldering pad and a chip component are soldered.

In the process of surface mounting of a PCB by using reflow soldering equipment, the positioning of the PCB directly influences the processing precision of surface elements of the PCB, so that technicians often use a PCB fixing jig to load the PCB in the production process. For example, in patent application No. 201621172782.8, the jig for reflow soldering oven can prevent the PCB from deforming and tilting after reflow soldering. The tray comprises a tray and a limiting block, wherein the limiting block is positioned at the edge of the tray and is fixedly connected with the tray; the tray is of a solid structure, the upper surface of the tray is a flat horizontal plane, and the lower surface of the tray is provided with a rail hanging edge; the tray is made of a high temperature resistant material. The utility model discloses a reflow soldering furnace jig that crosses that provides can be used to load PCB at reflow soldering's in-process.

However, when using reflow soldering equipment to carry out surface mount device to PCB and add man-hour, because need heat the solder in the reflow soldering equipment, utilize the solder of hot melt to weld surface mount device and pad, and in the tool that provides in this utility model, its tray is solid construction, consequently in the course of working, PCB's temperature is higher, and accomplish the reflow soldering back, it is also higher to the heat dissipation requirement of tool around in the tired process of PCB, use the reflow soldering stove tool that the above-mentioned patent provided to hardly realize its heat dissipation requirement. And the limiting block in the jig is of a fixed structure, so that the application range of the jig is greatly limited in the actual use process, and the external PCB cannot be tightly buckled.

Disclosure of Invention

In order to solve the problem, the utility model aims to provide an rely on outside plate of elasticity holder self-adaptation centre gripping, make outside plate keep the location accurate at reflow soldering's in-process to improve reflow soldering precision paster reflow soldering tool.

Another object of the utility model is to provide a paster reflow soldering tool with press from both sides tight structure, this tool is installed and removed the convenience, and its sound construction is reliable, is suitable for extensive popularization.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a paster reflow soldering tool with clamping structure, this tool includes base and loading tool, the detachable connection of loading tool is on the base, and loading tool includes tool body and plate loading frame, and plate loading frame sets up on the upper portion surface of tool body, and plate loading frame and outside plate cooperation, and outside plate gomphosis is in this plate loading frame; the jig also comprises an elastic clamping piece, the elastic clamping piece is embedded on the loading jig, and the elastic clamping piece is connected with the base; after the external plate is embedded on the plate loading frame, the elastic clamping piece elastically abuts against the side edge of the external plate to clamp the external plate.

The plate loading frame can roughly match the shape and size of the external plate to limit the approximate position of the external plate in the machining process, and after the external plate is correspondingly embedded in the plate loading frame, the elastic clamping piece elastically supports against the side edge of the external plate, so that the specific position of the external plate can be further pressed and fixed, the external plate is prevented from dislocation and deviation in the reflow soldering process, and the reflow soldering precision is improved.

And further, the utility model provides a reflow soldering tool when specifically using, operating personnel can break off the elasticity holder with the fingers and thumb earlier, will treat the outside plate of processing and correspond the gomphosis and put the hand after in the frame is loaded to the plate, and elasticity holder self-adaptation compresses tightly outside plate, and operating personnel will install the loading tool correspondence of outside plate again and install the base on, can begin reflow soldering. The whole device is convenient to assemble and disassemble, has a firm and reliable structure, and can be widely used in the PCB reflow soldering process.

The base comprises a substrate and two jig clamping assemblies, wherein the jig clamping assemblies are arranged in two groups, the two groups of jig clamping assemblies are connected with the substrate, and the two groups of jig clamping assemblies enclose a space for clamping a loading jig; the jig clamping assembly comprises a thruster and a thrust connecting piece, the thruster is fixed on the base plate, the thrust connecting piece is connected with the base plate in a sliding mode, and the thruster pushes the thrust connecting piece to slide.

Wherein, the thruster is one of a cylinder and a quick clamp. The cylinder or the quick clamp is used as a thruster, and the thrust connecting piece can be pushed by the quick clamp under the control of an external circuit, so that the loading jig is firmly clamped, and the position of the loading jig is kept unchanged in the reflow soldering process.

The thrust connecting piece moves the post including connecting piece body and gleitbretter, connecting piece body and base plate sliding connection, and the gleitbretter moves the post and sets up on the upper portion of connecting piece body, and gleitbretter moves post and connecting piece body fixed connection.

The loading jig also comprises a heat dissipation frame, the heat dissipation frame is arranged at the lower part of the jig body and is communicated with the plate loading frame; when the external plate is embedded in the plate loading frame, the bottom of the external plate is exposed to the external environment through the heat dissipation frame. Set up the heat dissipation frame on the tool body, not only can reduce the weight of tool body at to a great extent, more importantly, set up the heat dissipation frame in the lower part of tool body and can accomplish the reflow soldering back at outside plate, the at utmost facilitates for its heat dissipation, improves its radiating efficiency, shortens the process time of outside plate.

The elastic clamping piece comprises an elastic sliding piece bottom cover which is embedded on the jig body and fixedly connected with the jig body; the slip sheet bottom includes bottom body, removal post cross-under groove and spring storage tank, and removal post cross-under groove and spring storage tank are all seted up on the bottom body, and when loading tool was installed on the base, the slip sheet removed the post and runs through removal post cross-under groove and stretch out.

The elastic clamping piece further comprises a sliding piece and a compression spring, the sliding piece comprises a sliding piece body and a sliding groove, the sliding groove is formed in the middle of the sliding piece body, and when the loading jig is installed on the base, the sliding piece moving column is embedded and clamped into the sliding groove; the hold-down spring is arranged in the spring containing groove, and when the cooperation of outside plate was installed in the plate loading frame, hold-down spring's one end sticiss the lateral wall of spring containing groove, and its other end sticiss the rear end of gleitbretter body for the front end of gleitbretter body sticiss the side of outside plate. When installing outside plate, operating personnel breaks the gleitbretter body at first off with the fingers and thumb, makes the gleitbretter body near pressure spring, and pressure spring pressurized shortens, and outside plate gomphosis loads the frame at the plate after, and operating personnel loosens the hand, and pressure spring extends automatically, compresses tightly the side of outside plate with the gleitbretter body. The sliding piece can be guaranteed to slide along the direction of the sliding groove by utilizing the clamping between the sliding piece moving column and the sliding groove, and the sliding of the sliding piece is prevented.

The slip sheet further comprises pressing sharp teeth, the pressing sharp teeth are arranged at the front end of the slip sheet body, and the pressing sharp teeth are fixedly connected with the slip sheet body. The pressing force of the sliding piece can be improved by arranging the pressing sharp teeth, and the sliding piece is guaranteed to be firmly pressed against the external plate.

The gleitbretter is still including spring location tooth, and spring location tooth sets up the rear end at the gleitbretter body, spring location tooth and gleitbretter body fixed connection, and pressure spring cup joints on spring location tooth. The spring positioning teeth are arranged, so that the compression spring can be sleeved on the spring positioning teeth, and the compression spring is prevented from bouncing in the deformation process.

The utility model has the advantages that: compared with the prior art, the utility model discloses in the middle of, set up size and the shape that the outside plate can furthest be cooperated to the elasticity holder, correspond and compress tightly outside plate, guarantee that it does not deviate from the position at reflow soldering's in-process, and then improve reflow soldering's precision.

Drawings

Fig. 1 is a combined structure diagram of the reflow soldering jig and the external plate a of the present invention.

Fig. 2 is a schematic structural view of a base in a reflow soldering jig of the present invention.

Fig. 3 is a schematic structural view of a loading jig in a reflow soldering jig of the present invention.

Fig. 4 is a schematic structural view of the elastic clamping member in the reflow soldering jig of the present invention.

Fig. 5 is a schematic structural diagram of the slider body in the reflow soldering jig of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

referring to fig. 1-5, the present invention provides a reflow soldering jig with a clamping structure, which comprises a base 1 and a loading jig 2, wherein the loading jig 2 is detachably connected to the base 1, the loading jig 2 comprises a jig body 21 and a plate loading frame 22, the plate loading frame 22 is arranged on the upper surface of the jig body 21, the plate loading frame 22 is matched with an external plate, and the external plate is embedded in the plate loading frame 22; the jig also comprises an elastic clamping piece 3, the elastic clamping piece 3 is embedded on the loading jig 2, and the elastic clamping piece 3 is connected with the base 1; after the outer panel is fitted on the panel loading frame 22, the elastic clamping member 3 elastically abuts against the side edge of the outer panel to clamp the outer panel.

The plate loading frame 22 can roughly match the shape and size of the external plate to limit the approximate position of the external plate in the processing process, after the external plate is correspondingly embedded in the plate loading frame 22, the elastic clamping piece 3 elastically supports against the side edge of the external plate, the specific position of the external plate can be further pressed and fixed, the external plate is ensured not to be dislocated or dislocated in the reflow soldering process, and the reflow soldering precision is improved.

And further, the utility model provides a reflow soldering tool when specifically using, operating personnel can break off elastic clamping piece 3 with the fingers and thumb earlier, will treat the outside plate of processing and correspond the gomphosis and put on hand behind plate loading frame 22, and elastic clamping piece 3 self-adaptation compresses tightly outside plate, and operating personnel will install on base 1 is installed to the loading tool 2 correspondence of outside plate again, can begin reflow soldering. The whole device is convenient to assemble and disassemble, has a firm and reliable structure, and can be widely used in the PCB reflow soldering process.

The base 1 comprises a substrate 11 and jig clamping components 12, the jig clamping components 12 are arranged in two groups, the two groups of jig clamping components 12 are both connected with the substrate 11, and the two groups of jig clamping components 12 enclose a space for clamping the loading jig 2; the jig clamping assembly 12 includes a thruster 121 and a thrust connector 122, the thruster 121 is fixed on the base plate 11, the thrust connector 122 is slidably connected to the base plate 11, and the thruster 121 pushes the thrust connector 122 to slide.

In this embodiment, the thruster 121 is a cylinder. The cylinder is used as the thruster 121, and the thrust connecting piece 122 can be pushed by the cylinder under the control of an external circuit, so that the loading jig 2 is firmly clamped, and the position of the loading jig is kept unchanged in the reflow soldering process.

Thrust link 122 is including connecting piece body 1221 and gleitbretter move post 1222, connecting piece body 1221 and base plate 11 sliding connection, and gleitbretter moves post 1222 and sets up the upper portion at connecting piece body 1221, and gleitbretter moves post 1222 and connecting piece body 1221 fixed connection.

The loading jig 2 further comprises a heat dissipation frame 23, the heat dissipation frame 23 is arranged at the lower part of the jig body 21, and the heat dissipation frame 23 is communicated with the plate loading frame 22; when the external board is fitted in the board loading frame 22, the bottom of the external board is exposed to the external environment through the heat dissipation frame 23. Set up heat dissipation frame 23 on tool body 21, not only can reduce the weight of tool body 21 to a great extent, more importantly, set up heat dissipation frame 23 in the lower part of tool body 21 and can accomplish the reflow soldering back at outside plate, the at utmost facilitates for its heat dissipation, improves its radiating efficiency, shortens the process time of outside plate.

The elastic clamping piece 3 comprises an elastic sliding piece bottom cover 31, the sliding piece bottom cover 31 is embedded on the jig body 21, and the sliding piece bottom cover 21 is fixedly connected with the jig body 21; the sliding sheet bottom cover comprises a bottom cover body 311, a moving column penetrating groove 312 and a spring accommodating groove 313, the moving column penetrating groove 312 and the spring accommodating groove 313 are both arranged on the bottom cover body 311, and when the loading jig 2 is installed on the base 1, the sliding sheet moving column 1222 penetrates through the moving column penetrating groove 312 and extends out.

The elastic clamping piece 3 further comprises a sliding piece 32 and a compression spring 33, the sliding piece 32 comprises a sliding piece body 321 and a sliding groove 322, the sliding groove 322 is formed in the middle of the sliding piece body 321, and when the loading jig 2 is installed on the base 1, the sliding piece moving column 1222 is embedded into the sliding groove 322; the hold-down spring 33 is disposed in the spring receiving groove 313, and when the external board is mounted in the board loading frame 22 in a fitting manner, one end of the hold-down spring 33 presses the side wall of the spring receiving groove 313, and the other end thereof presses the rear end of the slide body 321, so that the front end of the slide body 321 presses the side edge of the external board. When installing outside plate, operating personnel breaks gleitbretter body 321 at first off with the fingers and thumb, makes gleitbretter body 321 closely lean on pressure spring 33, and pressure spring 33 pressurized shortens, and outside plate gomphosis loads frame 22 the back at the plate, and operating personnel loosens the hand, and pressure spring 33 automatic extension compresses tightly the side of outside plate with gleitbretter body 321. By engaging the sliding piece moving post 1222 with the sliding slot 322, the sliding piece can be ensured to slide along the sliding slot 322, preventing the sliding piece from slipping off.

The sliding piece 32 further comprises a pressing sharp tooth 323, the pressing sharp tooth 323 is arranged at the front end of the sliding piece body 321, and the pressing sharp tooth 323 is fixedly connected with the sliding piece body 321. The compression tines 323 can increase the compression force of the slide 32 to ensure that it firmly compresses the exterior panel.

The sliding piece 32 further includes a spring positioning tooth 324, the spring positioning tooth 324 is disposed at the rear end of the sliding piece body 321, the spring positioning tooth 324 is fixedly connected to the sliding piece body 321, and the pressing spring 33 is sleeved on the spring positioning tooth 324. The spring positioning teeth 324 are arranged, so that the pressing spring 33 can be sleeved on the spring positioning teeth 324, and the spring positioning teeth are prevented from bouncing off in the deformation process.

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

1. A paster reflow soldering jig with a clamping structure comprises a base and a loading jig, wherein the loading jig is detachably connected to the base and comprises a jig body and a plate loading frame, the plate loading frame is arranged on the upper surface of the jig body and matched with an external plate, and the external plate is embedded in the plate loading frame; the fixture is characterized by also comprising an elastic clamping piece, wherein the elastic clamping piece is embedded on the loading fixture and is connected with the base; after the outer plate is embedded on the plate loading frame, the elastic clamping piece elastically abuts against the side edge of the outer plate to clamp the outer plate.

2. The die reflow soldering jig with the clamping structure according to claim 1, wherein the base comprises a substrate and two jig clamping assemblies, the two jig clamping assemblies are arranged in two groups, the two groups of jig clamping assemblies are both connected with the substrate, and the two groups of jig clamping assemblies enclose a space for clamping the loading jig; the jig clamping assembly comprises a thruster and a thrust connecting piece, the thruster is fixed on the base plate, the thrust connecting piece is connected with the base plate in a sliding mode, and the thruster pushes the thrust connecting piece to slide.

3. The die reflow jig with clamping structure of claim 2, wherein the thruster is one of a cylinder and a quick clamp.

4. The jig for reflow soldering of patches with clamping structure as claimed in claim 3, wherein the thrust connector comprises a connector body and a sliding piece moving column, the connector body is slidably connected to the base plate, the sliding piece moving column is disposed on the upper portion of the connector body, and the sliding piece moving column is fixedly connected to the connector body.

5. The die reflow soldering jig with the clamping structure according to claim 1, wherein the loading jig further comprises a heat dissipation frame, the heat dissipation frame is arranged at the lower part of the jig body, and the heat dissipation frame is communicated with the plate loading frame; when the external plate is embedded in the plate loading frame, the bottom of the external plate is exposed to the external environment through the heat dissipation frame.

6. The jig for reflow soldering of patches with clamping structure as claimed in claim 4, wherein the elastic clamping member comprises an elastic sliding sheet bottom cover, the sliding sheet bottom cover is embedded on the jig body, and the sliding sheet bottom cover is fixedly connected with the jig body; the sliding piece bottom cover comprises a bottom cover body, a moving column penetrating groove and a spring accommodating groove, the moving column penetrating groove and the spring accommodating groove are formed in the bottom cover body, and when the loading jig is installed on the base, the sliding piece moving column penetrates through the moving column penetrating groove and extends out.

7. The jig for reflow soldering of patches with clamping structures as claimed in claim 6, wherein the elastic clamping member further comprises a sliding piece and a pressing spring, the sliding piece comprises a sliding piece body and a sliding groove, the sliding groove is opened in the middle of the sliding piece body, when the loading jig is installed on the base, the sliding piece moving column is embedded and clamped in the sliding groove; the pressing spring is arranged in the spring accommodating groove, when the external plate is installed in the plate loading frame in a matching mode, one end of the pressing spring presses the side wall of the spring accommodating groove, and the other end of the pressing spring presses the rear end of the slip sheet body, so that the front end of the slip sheet body presses the side edge of the external plate.

8. The jig for reflow soldering of patches with a clamping structure as claimed in claim 6, wherein the slide further comprises pressing sharp teeth, the pressing sharp teeth are arranged at the front end of the slide body, and the pressing sharp teeth are fixedly connected with the slide body.

9. The jig for reflow soldering of patches with clamping structure as claimed in claim 7, wherein the sliding sheet further comprises spring positioning teeth, the spring positioning teeth are disposed at the rear end of the sliding sheet body, the spring positioning teeth are fixedly connected with the sliding sheet body, and the compression spring is sleeved on the spring positioning teeth.