CN111975158A

CN111975158A - Soldering bit and have its soldering tin machine work head subassembly

Info

Publication number: CN111975158A
Application number: CN202010853104.2A
Authority: CN
Inventors: 段伟波; 易晓氲; 邓立钢
Original assignee: Shenzhen Jiahongbao Technology Co ltd
Current assignee: Shenzhen Jiahongbao Technology Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2020-11-24

Abstract

The application relates to a soldering bit and have its soldering tin machine work head subassembly relates to the technical field of soldering tin machine, and the soldering bit includes pole portion and the fixed head that sets up in pole portion one end, the heat conduction contact surface has all been seted up to the both sides that the head outer wall is relative, the heat conduction contact surface is the plane, is formed with contained angle alpha between two heat conduction contact surfaces. Traditional solder iron head is circular-arc setting so that contact between traditional solder iron and the tin silk is the point contact, thereby lead to the heat conduction efficiency between traditional solder iron and the tin silk low, and the solder iron of this application passes through heat conduction contact surface and tin silk contact heat conduction, be line contact or face contact between heat conduction contact surface that the plane set up and the tin silk this moment, therefore, heat conduction area between tin silk and the solder iron has been increased so that more heats can stable transfer for the tin silk, thereby improve solder iron to thermal effective utilization.

Description

Soldering bit and have its soldering tin machine work head subassembly

Technical Field

The application relates to the technical field of soldering tin machines, in particular to a soldering bit and a working head assembly for the soldering tin machine with the soldering bit.

Background

In the electronic industry, various electronic components or materials are connected to a plate material by means of soldering. When the tin soldering machine carries out tin soldering, the soldering iron head for tin soldering is controlled to be in a certain high-temperature state, and then the tin wire is melted and attached to the corresponding position of a plate to be soldered.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the conventional solder tip and the tin wire are contacted, the heat actually generated by the soldering machine is far less than the heat obtained by the tin wire, so that the effective utilization of the heat is low.

Disclosure of Invention

In order to improve the effective utilization rate of the heat of the soldering iron tip, the application aims to provide the soldering iron tip.

The application provides a soldering bit adopts following technical scheme:

the utility model provides a soldering bit, includes pole portion and the fixed head that sets up in pole portion one end, the heat conduction contact surface has all been seted up to the both sides that the head outer wall is relative, the heat conduction contact surface is the plane, is formed with contained angle alpha between two heat conduction contact surfaces.

Through adopting above-mentioned technical scheme, traditional soldering iron head is circular-arc setting so that contact between traditional soldering iron and the tin silk is the point contact, thereby lead to the heat conduction inefficiency between traditional soldering iron and the tin silk, and the soldering iron of this application passes through heat conduction contact surface and tin silk contact heat conduction, be line contact or face contact between heat conduction contact surface that this moment is the plane setting and the tin silk, therefore, increased the heat conduction area between tin silk and the soldering iron so that more heats can stable transfer for the tin silk, thereby improve the soldering iron to thermal effective utilization ratio.

Preferably, the other end of pole portion encircles and is provided with the mount table, it is provided with at least one constant head tank to run through on the outer wall of mount table.

By adopting the technical scheme, when the soldering bit is installed, the positioning groove is used for installing and positioning the installation position of the corresponding equipment, so that the installation positioning accuracy and the installation stability of the soldering bit are improved.

Preferably, an opening at one end of the positioning groove close to the axis of the rod part is provided with an arc transition surface, and the arc transition surface protrudes towards the direction close to the axis of the rod part.

Through adopting above-mentioned technical scheme, the arc transition makes the opening edge department of constant head tank smooth to reduce constant head tank open-ended inner wall extrusion wearing and tearing in the installation, also reduce the installation wearing and tearing that the open-ended inner wall of constant head tank corresponds equipment simultaneously.

In order to improve the effective utilization rate of the soldering machine to heat, the application aims to provide a working head assembly for the soldering machine.

In a second aspect, the present application provides a work head assembly for a soldering tin machine, which adopts the following technical scheme:

the utility model provides a working head subassembly for soldering tin machine, includes shell, mount pad, heat source spare and the soldering iron of above-mentioned arbitrary one, the mount pad install in shell and one end are worn out the shell, heat source spare is located in the mount pad, soldering iron pole portion is kept away from the one end of head is located in the mount pad and with heat source spare is contradicted, the soldering iron with the one end that heat source spare was contradicted is located in the mount pad, the head of soldering iron is followed the mount pad is worn out the one end of shell is worn out.

Through adopting above-mentioned technical scheme, install the shell in soldering tin machine, the heat transfer that heat source spare produced gives the soldering iron, heat source spare self is located the calorific loss of reducing self production in the mount pad, and the conflict position of heat source spare and soldering iron also is located the mount pad, thereby reduce the calorific loss when heat source spare gives the soldering iron with heat transfer, therefore, make this work head subassembly can reduce thermal conduction loss and give the tin silk in order to guarantee thermal stability, thereby improve soldering tin machine to thermal effective utilization.

Preferably, the mounting seat comprises a fixed pipe section and a detachable pipe section detachably arranged on the fixed pipe section, the fixed pipe section is fixedly connected with the shell, the heat source piece is arranged in the fixed pipe section in a penetrating mode, the detachable pipe section is located outside the shell, the soldering bit is detachably connected with the detachable pipe section, and the end portion, abutted against the soldering bit, of the heat source piece is located in the detachable pipe section.

Through adopting above-mentioned technical scheme, can dismantle between fixed pipeline section and the dismouting pipeline section and be connected so that can break away from between heat source spare and the soldering bit to the soldering bit that is convenient for damage easily is changed.

Preferably, an anti-falling edge is arranged on the inner wall of one end, far away from the fixed pipe section, of the dismounting pipe section, and the mounting table of the soldering bit abuts against one side, close to the fixed pipe section, of the anti-falling edge.

Through adopting above-mentioned technical scheme, install the flatiron in the dismouting pipeline section after, the mount table is followed contradictory with the anticreep, then with dismouting pipeline section and flatiron, heat source spare is contradicted with the flatiron and is supported the mount table in order to press on the anticreep is followed to it is more stable to make the installation between flatiron and the mount pad.

Preferably, a positioning block is arranged on the end face of one end, extending into the disassembly and assembly pipe section, of the heat source piece, and the positioning block is clamped with the positioning groove of the soldering bit.

Through adopting above-mentioned technical scheme, when the dismouting pipeline section was installed in fixed pipeline section, the locating piece cooperated with the constant head tank in order to restrict the rotation of soldering bit to can reduce the soldering bit and take place the pivoted condition at soldering tin in-process, from this, improve this working head subassembly's job stabilization nature.

Preferably, one end of the soldering bit rod part, which is located in the dismounting pipe section, is provided with a surface expanding heat conducting groove for embedding the end part of the heat source part, and the inner wall of the surface expanding heat conducting groove is attached to the outer wall of the heat source part.

By adopting the technical scheme, the surface-expanding heat-conducting groove is attached to the outer wall of the heat source piece so as to increase the contact area between the soldering bit and the heat source piece, and therefore the heat transfer efficiency between the heat source piece and the soldering bit is improved.

Preferably, the mounting seat still includes stabilizing member, stabilizing member is located in the shell, stabilizing member with fixed pipeline section is kept away from the one end of dismouting pipeline section is connected, the mounting groove has been seted up on stabilizing member, heat source spare is kept away from the one end of soldering bit with the mounting groove joint.

Through adopting above-mentioned technical scheme, heat source spare and mounting groove joint are in order to provide interior heat source spare installation fulcrum outside the shell to make the installation of heat source spare more stable.

Preferably, the outer wall of the stabilizing part is provided with a sliding groove in a penetrating manner, the sliding groove is internally provided with a propping block and a thrust elastic part, the sliding groove is communicated with the mounting groove, the propping block is connected with the sliding groove in a sliding manner so as to prop against or separate from the outer wall of the heat source part, the thrust elastic part is located on one side of the heat source part away from the propping block, and the thrust elastic part provides the elasticity of the heat source part towards the propping block.

Through adopting above-mentioned technical scheme, the thrust elastic component promotes to support the tight heat source spare of tight piece in order to further increase the frictional force between heat source spare and the stabilizing member to make the installation of heat source spare more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the traditional soldering bit head is arranged in a circular arc shape, so that contact between the traditional soldering bit and a tin wire is point contact, and therefore heat conduction efficiency between the traditional soldering bit and the tin wire is low;

2. when the soldering bit is installed, the positioning groove is used for installing and positioning the installation position of corresponding equipment so as to improve the installation positioning accuracy and the installation stability of the soldering bit;

3. install the shell in soldering tin machine, the heat transfer that heat source spare produced is for the soldering bit, heat source spare self is located the calorific loss of reduction self production in the mount pad, and the conflict position of heat source spare and soldering bit also is located the mount pad, thereby reduce the calorific loss when heat source spare gives the soldering bit with the heat transfer, from this, make this work head subassembly can reduce thermal conduction loss and give the tin silk in order to guarantee thermal stability, thereby improve soldering tin machine to thermal effective utilization.

Drawings

FIG. 1 is a schematic view of the overall construction of an embodiment of a soldering tip of the present application;

FIG. 2 is a schematic elevational view of an exemplary embodiment of a soldering tip of the present application;

FIG. 3 is a schematic diagram of the overall construction of an embodiment of a workhead assembly of the present application;

FIG. 4 is a schematic diagram of the overall configuration of an embodiment of the tip assembly of the present application at the tip positioning slot;

FIG. 5 is an enlarged partial schematic view of portion A of FIG. 4;

FIG. 6 is a schematic view of the overall structure of the working head assembly of the present application at the stabilizer glide slot.

In the figure, 1, a soldering iron head; 11. a rod portion; 111. a surface-expanding heat-conducting groove; 12. a head portion; 121. a thermally conductive contact surface; 13. an installation table; 131. positioning a groove; 132. an arc transition surface; 2. a heat source element; 22. positioning blocks; 3. a mounting seat; 31. fixing the pipe section; 32. disassembling and assembling the pipe sections; 321. the anti-falling edge; 33. a stabilizer; 331. mounting grooves; 332. a sliding groove; 333. a propping block; 334. a thrust elastic member; 4. a housing.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a soldering bit.

Referring to fig. 1, a soldering tip includes a shaft portion 11 and a head portion 12 fixedly disposed at one end of the shaft portion 11. The rod part 11 is arranged like a cylinder, the head part 12 is arranged like a circular truncated cone to be provided with a large end and a small end, and the axis of the rod part 11 is superposed with the axis of the head part 12. The small end of the head portion 12 is distant from the shaft portion 11 with respect to the large end of the head portion 12, so that the outer wall surface of the head portion 12 is inclined outward in a direction approaching the shaft portion 11.

Heat conduction contact surface 121 is all seted up to the relative both sides of head 12 outer wall, and heat conduction contact surface 121 is the plane, and the incline direction of heat conduction contact surface 121 is the same with the incline direction of head 12 outer wall face.

Referring to fig. 2, an included angle α is formed between the two thermally conductive contact surfaces 121, and the included angle α is 25 ° to 45 °. In the present embodiment, the angle α is 33 °.

To facilitate the installation of the soldering iron tip 1, referring to fig. 1, the other end of the rod portion 11 is provided with an installation platform 13 in a surrounding manner, the installation platform 13 is arranged in a similar ring shape, and the axis of the installation platform 13 is overlapped with the axis of the rod portion 11. The outer diameter of the mounting platform 13 is larger than the diameter of the rod part 11, so that the outer wall of the mounting platform 13 protrudes from the outer wall surface of the rod part 11.

At least one positioning groove 131 is arranged on the outer wall of the mounting table 13 in a penetrating manner. The extending direction of the positioning groove 131 is perpendicular to the axial direction of the rod portion 11. When the number of the positioning grooves 131 is equal to or greater than two, all the positioning grooves 131 are equally spaced apart with the axis of the rod 11 as the central axis.

It should be noted that the end of the positioning slot 131 close to the axis of the rod 11 is provided with an arc transition surface 132, and the arc transition surface 132 protrudes toward the direction close to the axis of the rod 11. In this embodiment, the arc-shaped transition surface 132 is disposed in an arc shape, and a central angle of the arc-shaped transition surface 132 is greater than 45 ° and equal to or less than 90 °.

The implementation principle of the soldering bit 1 in the embodiment of the application is as follows: during soldering tin, soldering iron 1 is through heat conduction contact surface 121 and tin silk contact heat conduction, is the line contact or face contact for the heat conduction area between heat conduction contact surface 121 that the plane set up this moment and the tin silk in order to increase between tin silk and the soldering iron 1 so that more heats can stably transmit for tin.

The embodiment of the application also discloses a working head assembly for the soldering tin machine.

Referring to fig. 3, a work head assembly for a soldering machine includes a housing 4, a mounting base 3, a heat source 2, and the soldering iron head 1 described above. The housing 4 is adapted to be directly connected to a soldering machine to provide a mounting base for mounting the mounting base 3, the heat source element 2 and the soldering iron tip 1.

Referring to fig. 4, the mounting seat 3 includes a fixed pipe section 31, a detachable pipe section 32 provided at one end of the fixed pipe section 31, and a stabilizer 33 provided at the other end of the fixed pipe section 31. The fixed pipe section 31 is fixedly connected to the housing 4. The fixed pipe section 31 is arranged in a round pipe shape, one end of the fixed pipe section 31 is positioned in the shell 4, and one end of the fixed pipe section 31 penetrates out of the shell 4. The dismounting pipe section 32 is positioned outside the shell 4, the dismounting pipe section 32 is arranged in a circular pipe shape, and the axis of the fixed pipe section 31 coincides with the axis of the dismounting pipe section 32. The disassembly and assembly pipe section 32 is positioned outside the shell 4, and the fixed pipe section 31 is positioned between the outer wall of one end outside the shell 4 and the inner wall of the disassembly and assembly pipe section 32 and is detachably connected through threaded connection or clamping connection and other modes.

Referring to fig. 4 and 5, the soldering tip 1 is detachably connected to the detachable pipe section 32, the head 12 of the soldering tip 1 extends out from the end of the mounting block 13 extending out of the housing 4, and the end of the soldering tip 1 where the mounting block 13 is located in the detachable pipe section 32. In order to facilitate the installation of the soldering bit 1, an anti-drop edge 321 is arranged on the inner wall of one end of the dismounting pipe section 32, which is far away from the fixed pipe section 31, the anti-drop edge 321 is arranged in a circular ring shape, and the axis of the anti-drop edge 321 coincides with the axis of the dismounting pipe section 32. The mounting platform 13 of the soldering iron head 1 abuts against one side of the anti-falling edge 321 close to the fixed pipe section 31.

The heat source element 2 is an electrical heating element capable of generating heat when energized, thereby providing heat to the soldering tip 1. The heat source 2 is inserted into the fixed pipe section 31, one end of the heat source 2 is located in the stabilizer 33, and the other end of the heat source is located in the detachable pipe section 32, so that the heat source 2 is located in the mounting seat 3 as a whole. Correspondingly, the end of the shaft 11 of the soldering iron head 1 far away from the head 12 is abutted against the heat source element 2. Mount pad 3 contradicts along 321 with the anticreep, then with dismouting pipe section 32 and soldering bit 1, heat source piece 2 contradicts with soldering bit 1 in order to support the mount table 13 and press on anticreep is along 321 to it is more stable to make the installation between soldering bit 1 and the mount pad 3.

Referring to fig. 5, in order to limit the rotation of the soldering bit 1, a positioning block 22 is disposed on the end surface of the heat source 2 extending into one end of the detachable pipe section 32, and the positioning block 22 is clamped with the positioning groove 131 of the soldering bit 1.

Referring to fig. 6, in order to increase the contact area between the soldering iron tip 1 and the heat source element 2, the end of the rod portion 11 of the soldering iron tip 1 located in the detachable pipe section 32 is provided with a surface-expanding heat-conducting groove 111 in which the end of the heat source element 2 is embedded. The extended-surface heat-conducting groove 111 is arranged in a truncated cone-like shape to have a large end and a small end, and the large end of the extended-surface heat-conducting groove 111 is open and faces the heat source element 2. The inner wall of the surface-expanded heat-conducting groove 111 is bonded to the outer wall of the heat source element 2.

It is worth mentioning that compared with the traditional heat source 2 and the soldering iron tip 1, the heat conduction is carried out in the direction of the end face contact of the heat source 2, and the arrangement of the surface-expanding heat conduction groove 111 can increase the contact area by 100% -200%. In the present embodiment, the radius R of the upper bottom of the expanded-surface heat-conducting groove 111 is 1.09mm, the radius R of the lower bottom of the expanded-surface heat-conducting groove 111 is 4mm, and the groove depth h of the expanded-surface heat-conducting groove 111 is 4mm8 mm. According to a calculation formula of the side area of the circular truncated cone: s1 ═ π Rl + π Rl, wherein

The heat conducting area S1 between the soldering iron head 1 and the heat source element 2 is approximately equal to 43.3 pi through calculation. However, if the end of the rod 11 of the soldering iron 1 located in the detachable pipe section 32 has no heat-conducting slot 111, the end of the rod 11 capable of conducting heat to the heat source 2 is only a circular surface with a radius R of 8mm, and the heat-conducting area S2 between the soldering iron 1 and the heat source 2 is pi R²16 pi. In this case, the area ratio of the enlarged-area heat-transfer groove 111 can be increased (S1-S2): S2 ≈ (43.3 π -16 π):16 π ≈ 171%.

With continued reference to FIG. 6, a stabilizer 33 is positioned within the housing 4, the stabilizer 33 being connected to an end of the fixed tube section 31 remote from the removable tube section 32. One side of the stabilizing member 33 close to the fixed pipe section 31 is provided with a mounting groove 331, and one end of the heat source member 2 far away from the soldering bit 1 is clamped with the mounting groove 331.

In order to further fix the heat source element 2, at least one sliding groove 332 is arranged on the outer wall of the stabilizing element 33 in a penetrating manner, all the sliding grooves 332 are arranged in parallel, all the sliding grooves 332 are communicated with the installation groove 331, and the extending direction of all the sliding grooves 332 is perpendicular to the extending direction of the fixed pipe section 31. Each sliding groove 332 is provided with a support block 333 and a thrust elastic member 334. The abutting block 333 is slidably connected to the sliding groove 332 and moves in a direction approaching or separating from the heat source member 2, so that the abutting block 333 can abut against or separate from the outer wall of the heat source member 2. The thrust elastic member 334 is a compression spring, and the thrust elastic member 334 is located on the side of the abutting block 333 away from the heat source member 2, so that the thrust elastic member 334 provides the elastic force of the abutting block 333 toward the heat source member 2. The elastic thrust piece 334 pushes the abutting block 333 to abut against the heat source element 2 to further increase the friction force between the heat source element 2 and the stabilizing piece 33, so that the installation of the heat source element 2 is more stable

The implementation principle of soldering bit 1 and soldering tin machine work head assembly with the same in the embodiment of the application is as follows: wear to locate heat source spare 2 in fixed pipeline section 31 and the one end of heat source spare 2 stretches into mounting groove 331, and thrust elastic component 334 promotes to support tight piece 333 and supports tight heat source spare 2, then install soldering bit 1 in dismouting pipeline section 32 and install dismouting pipeline section 32 in the one end that fixed pipeline section 31 stretches out shell 4, install shell 4 in soldering tin machine again, the heat transfer that heat source spare 2 circular telegram produced is for soldering bit 1, the tin silk is contradicted with the heat conduction contact surface 121 of soldering bit 1 in order to carry out the heat conduction.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A kind of solder tip, including pole portion (11) and head (12) that sets up in one end of pole portion (11) fixedly, characterized by: heat conduction contact surface (121) have all been seted up to the both sides that the outer wall is relative of head (12), heat conduction contact surface (121) are the plane, are formed with contained angle alpha between two heat conduction contact surfaces (121).

2. A soldering tip according to claim 1, wherein: the other end of pole portion (11) encircles and is provided with mount table (13), it is provided with at least one constant head tank (131) to run through on the outer wall of mount table (13).

3. A soldering tip according to claim 2, wherein: the locating groove (131) is close to an opening at one end of the axis of the rod part (11) is provided with an arc transition surface (132), and the arc transition surface (132) protrudes towards the direction close to the axis of the rod part (11).

4. The utility model provides a soldering tin machine work head subassembly which characterized in that: the soldering iron comprises a shell (4), a mounting seat (3), a heat source piece (2) and the soldering iron head (1) as claimed in any one of claims 2 to 3, wherein the mounting seat (3) is mounted on the shell (4), one end of the mounting seat penetrates out of the shell (4), the heat source piece (2) is located in the mounting seat (3), one end, far away from the head (12), of a rod portion (11) of the soldering iron head (1) is located in the mounting seat (3) and is abutted to the heat source piece (2), one end, abutted to the heat source piece (2), of the soldering iron head (1) is located in the mounting seat (3), and the head (12) of the soldering iron head (1) penetrates out of one end, penetrating out of the shell (4), of the mounting seat (3).

5. The work head assembly for a soldering machine according to claim 4, wherein: the mounting seat (3) including fixed pipe section (31) with can dismantle set up in dismouting pipe section (32) of fixed pipe section (31), fixed pipe section (31) with shell (4) fixed connection, heat source spare (2) are worn to establish in fixed pipe section (31), dismouting pipe section (32) are located outside shell (4), soldering bit (1) with can dismantle between dismouting pipe section (32) and connect, heat source spare (2) with the tip that soldering bit (1) were contradicted is located in dismouting pipe section (32).

6. The work head assembly for a soldering machine according to claim 5, wherein: an anti-falling edge (321) is arranged on the inner wall of one end, far away from the fixed pipe section (31), of the dismounting pipe section (32), and the mounting table (13) of the soldering bit (1) abuts against one side, close to the fixed pipe section (31), of the anti-falling edge (321).

7. The work head assembly for a soldering machine according to claim 6, wherein: the heat source piece (2) stretches into the end face of one end of the dismounting pipe section (32) and is provided with a positioning block (22), and the positioning block (22) is connected with a positioning groove (131) of the soldering bit (1) in a clamping mode.

8. The work head assembly for a soldering machine according to claim 6, wherein: one end of the rod part (11) of the soldering iron head (1) positioned in the dismounting pipe section (32) is provided with a surface expanding heat conducting groove (111) for embedding the end part of the heat source piece (2), and the inner wall of the surface expanding heat conducting groove (111) is attached to the outer wall of the heat source piece (2).

9. The work head assembly for a soldering machine according to claim 5, wherein: mount pad (3) still include stabilizing member (33), stabilizing member (33) are located in shell (4), stabilizing member (33) with fixed pipeline section (31) are kept away from the one end of dismouting pipeline section (32) is connected, mounting groove (331) have been seted up on stabilizing member (33), heat source spare (2) are kept away from the one end of soldering iron (1) with mounting groove (331) joint.

10. The work head assembly for a soldering machine according to claim 9, wherein: run through on the outer wall of stabilizing member (33) and be provided with groove (332) that slides, install in groove (332) that slides and support tight piece (333) and thrust elastic component (334), slide groove (332) with mounting groove (331) intercommunication, support tight piece (333) with slide groove (332) and slide and be connected in order to support tightly or break away from the outer wall of heat source spare (2), thrust elastic component (334) are located support tight piece (333) is kept away from one side of heat source spare (2), thrust elastic component (334) provide support tight piece (333) orientation the elasticity of heat source spare (2).