WO2014194472A1

WO2014194472A1 - Synchronizing gear transmission mechanism for soldering machine

Info

Publication number: WO2014194472A1
Application number: PCT/CN2013/076720
Authority: WO
Inventors: 罗艺
Original assignee: Luo Yi
Priority date: 2013-06-04
Filing date: 2013-06-04
Publication date: 2014-12-11

Abstract

A synchronizing gear transmission mechanism for a soldering machine. The transmission mechanism is a set of gears, and comprises a driving gear (11), a driven gear (12), and a pair of synchronizing gears (13, 13a). The two synchronizing gears (13, 13a) are respectively meshed with the driving gear (11) and the driven gear (12). By virtue of a design whereby the driving gear (11) drives the rolling wheel (20) and/or the solder-piercing feed wheels (70) on the pair of synchronizing gears (13, 13a) to roll, the phenomenon of asynchronous rolling in the prior art is avoided, and the phenomenon of solder wire being broken and a transmission mechanism being blocked because of fast rolling on one side and slow rolling on the other side does not occur.

Description

Synchronous gear transmission mechanism of soldering machine

Technical field

The utility model belongs to the field of welding equipment, in particular to a tin wire conveying and breaking device for welding.

Background technique

In the prior art, the conveying mechanism for conveying the welding consumable tin wire usually uses two rolling wheels to roll relative to each other to transmit the tin wire, but in the actual conveying process, the inconsistent rolling speed of the rolling wheel may cause the bending solder wire to be blocked. The soldering wire transmission channel causes the soldering machine to malfunction. In addition, the broken tinting wheel also has a mismatch with the rolling speed of the opposite rolling wheel during the process of breaking the tin, thereby causing a blocked solder wire transmission channel during the tin breaking process.

technical problem

The purpose of the utility model is to provide a synchronous gear transmission mechanism of a soldering machine, which aims to solve In the prior art, the problem that the rolling wheel and the broken tin wheel of the solder wire conveying mechanism are not synchronized.

Technical solution

The utility model is realized by the synchronous gear transmission mechanism of the soldering machine, wherein the transmission mechanism is a set of gears, including a driving gear, a driven gear and a pair of synchronous gears, and the two synchronous gears respectively and the driving The gear and the driven gear mesh.

Preferably, the synchronizing gear has a coaxial scroll wheel that is capable of transmitting a solder wire, the scroll wheels being opposed.

Preferably, the surface of the rolling wheel is provided with a groove for preventing the solder wire from being swayed, and the solder wire is transported in the groove after being clamped by the two rolling wheels.

Preferably, the recess is provided with a protrusion for further fixing the surface of the solder wire.

Preferably, any one of the two synchronizing gears has a broken tin wheel coaxial with the same, and the other synchronizing gear has a rolling wheel.

Preferably, the surface of the rolling wheel is provided with a groove for preventing the solder wire from swaying, and the blade of the breaking wheel is opposite to the center line of the groove.

Preferably, the breaker wheel is formed by a combination of two pinch wheels and a blade that clamps the blade from both sides, the blade being rounded with a serrated blade edge.

Preferably, the two synchronizing gears have a broken tin wheel that is coaxial therewith, and the broken tin wheel is opposite.

Preferably, the breaker wheel is composed of two pincers and a blade having a slope or a curved surface inclined toward the blade.

Preferably, the outer surface of the pinch wheel has a larger diameter than the blade, the inner diameter of the pinch wheel is smaller than the diameter of the blade, and the difference between the diameter of the inner surface of the pinch wheel and the diameter of the blade is smaller than the diameter of the solder wire.

Beneficial effect

According to the above technical solution, the connection mechanism of the transport mechanism provided by the present invention is that the synchronous gear can coaxially fix the rolling wheel and/or the broken tin wheel, and the driving gear is disposed on any one of the synchronous gears. Driving the synchronizing gear below or above, while the driving gear also drives a driven gear located beside it, the driven gear is located below the other synchronizing gear and drives the synchronizing gear, so that two driving The synchronous gear rotates relative to each other, and the rolling wheel and/or the broken cutter wheel coaxially carried by the synchronous gear rotates relative to each other, and a solder wire is input between the rolling wheel and/or the broken cutter wheel, and the solder wire The scrolling wheel and/or the tinning wheel are forced downwardly by the force of the rolling wheel and/or the tinning wheel, and the driving gear drives the rolling wheel and/or the wheel to roll. The asynchronous rolling in the prior art is avoided. The phenomenon does not occur when the scrolling is fast and the rolling is slow, causing the solder wire to break and block the transport mechanism.

DRAWINGS

Figure 1 is a schematic view of the product provided by the utility model

2 is a schematic view of a product of a double rolling wheel conveying solder wire provided by the utility model;

Figure 3 is a side view of a scroll wheel having a groove provided by the present invention;

4 is a schematic view of a product provided by Embodiment 2 of the present invention;

Figure 5 is a schematic view of the product provided in the third embodiment of the present invention.

Embodiments of the invention

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

Embodiment 1 Referring to FIG. 1, the embodiment provides a synchronous gear transmission mechanism of a soldering machine. The transmission mechanism is a set of gears including a drive gear 11, a driven gear 12 and a pair of

synchronous gears

13, 13a. The two synchronizing

gears

13, 13a mesh with the drive gear 11 and the driven gear 12, respectively. According to the above technical solution, the connection mechanism of the transport mechanism provided by the present invention is that the synchronizing

gears

13, 13a can coaxially fix the rolling wheel 20 and/or the broken tin wheel 70, and the driving gear 11 is set at any The synchronizing

gears

13, 13a are driven below or above the synchronizing

gears

13, 13a, while the driving gear 11 also drives a driven gear 12 located beside it, the driven gear 12 being located at the other of the synchronizing

gears

13,13a below or above, and driving the synchronizing

gears

13, 13a, so that the two synchronizing

gears

13, 13a can be driven to rotate relative to each other, and the synchronizing

gears

13, 13a are coaxially carried by the rolling wheels 20 and/or broken tin The cutter wheel 70 is also rotated relative to each other, and a solder wire 60 is input between the scroll wheel 20 and/or the breaker wheel 70, and the solder wire 60 is biased by the scroll wheel 20 and/or the broken cutter wheel 70. The downward transmission or the breaking of the tin, the driving gear 11 driving the rolling wheel 20 and/or the breaking knife wheel 7 to roll the design avoids the phenomenon of asynchronous rolling in the prior art, and does not occur while scrolling while scrolling Slowly, the solder wire 60 is broken to block the transmission mechanism.

Specifically, referring to FIG. 2 and FIG. 3, the synchronizing gear has a coaxial rolling wheel 20 that can transmit a solder wire, and the rolling wheel 20 is oppositely transferred to the solder wire 60, and the surface of the rolling wheel 20 A groove 21 is formed to prevent the solder wire from being swayed. The solder wire 60 is clamped by the two rolling wheels 20 and then transported in the groove 21, and the rolling wheel 20 is relatively clamped to the solder wire 60. After the driving mechanism is driven to rotate in the opposite direction, the solder wire 60 is placed in the groove 21 to effectively prevent the solder wire 60 from swaying, and the conveying process is smoother.

In order to increase the contact point of the solder wire 60 in the recess 21, the recess 21 is provided with a protrusion 22 for further fixing the surface of the solder wire.

Embodiment 2, with reference to FIG. 1, the difference between this embodiment and the first embodiment is that any one of the two synchronizing

gears

13, 13a has a broken tin wheel 70 coaxial with the same, and the other The synchronizing gear has a rolling, 20, at this time, the broken tin wheel 70 and the rolling wheel 20 constitute a broken tin device, and in the synchronous transmission design, the broken tin wheel 70 is in the solder The rolling speed on the surface of the wire 60 coincides with the rolling speed of the opposite rolling wheel 20 on the solder wire 60, thereby preventing the solder wire 60 from bending and blocking the conveying path.

Referring to FIG. 3 and FIG. 4, further, in order to prevent the solder wire 60 from being laterally swayed on the surface of the rolling wheel, the surface of the rolling wheel 20 is provided with a groove 21 for preventing the solder wire 60 from swaying. The blade of the broken cutter wheel 70 faces the center line of the groove 21, and a part of the solder wire 60 is incorporated into the groove 21 to form an effective positioning to prevent the solder wire 60 from horizontally swaying.

In the prior art, there is a separate blade for breaking tin, but the problem with such a blade is that the thin blade is insufficient in rigidity and easily deformed or broken, and if the blade is thickened, it is shrunk to a sharp blade at the blade edge. The manufacturing process is cumbersome and costly. The technical solution provided in this embodiment is that, as shown in FIG. 4, the broken cutter wheel 70 is composed of two clamping wheels 72 and a blade 71, and the clamping wheel 72 is from two sides. The blade 71 is clamped, the diameter of the pinch wheel 72 is smaller than the diameter of the blade 71, and the difference in diameter between the blade 71 and the pinch wheel 72 is smaller than the diameter of the solder wire 60, and the blade 71 is The circular shape has a serrated blade edge, and the rigidity of the blade 71 is improved by the clamping wheel 72, which is convenient to manufacture and convenient for replacement and assembly.

Embodiment 3, the present embodiment is different from the above embodiment with reference to FIG. 5, in that the two

synchronous gears

13, 13a have a broken tin wheel 70a coaxial with the same, and the broken tin wheel 70a is opposite. The solder wire 60 is placed between the blade ends of the tin-breaking wheel 70a, and the tin-breaking wheel 70a is used to break the tin. Preferably, the chip-breaking wheel 70a is composed of two pinch wheels 72a and one. The blade 71a is combined, and the edge of the pinch wheel 72a has a slope or a curved surface inclined toward the blade 71a, so that the solder wire 60 is caught in the groove 21a formed by the inclined surface or the curved surface, the pin wheel 72a The outer surface diameter is larger than the diameter of the blade 71a, the inner surface diameter of the pinch wheel 72a is smaller than the diameter of the blade 71a, and the difference between the inner surface diameter of the pinch wheel 72a and the diameter of the blade 71a is smaller than the diameter of the solder wire 60. The end portion of the broken tin wheel 70a is formed into a "W" shape.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention. The scope of protection of utility models.

Claims

A synchronous gear transmission mechanism of a soldering machine, characterized in that the transmission mechanism is a set of gears, including a driving gear, a driven gear and a pair of synchronous gears, and the two synchronous gears respectively and the driving gear and the driven gear Gear meshing.
A synchronizing gear transmission mechanism for a soldering machine according to claim 1, wherein said synchronizing gear has a coaxial rolling wheel for transmitting a solder wire, said rolling wheels being opposed.
A synchronous gear transmission mechanism for a soldering machine according to claim 2, wherein said rolling wheel surface is provided with a groove for preventing the solder wire from being swayed, and said solder wire is held by said two rolling wheels Transfer in the groove.
A synchronous gear transmission mechanism for a soldering machine according to claim 3, wherein said recess is provided with a projection for further fixing said solder wire surface.
A synchronous gear transmission mechanism for a soldering machine according to claim 1, wherein any one of said two synchronizing gears has a shredder wheel coaxial with it, and the other synchronizing gear has a rolling wheel.
The synchronous gear transmission mechanism of a soldering machine according to claim 5, wherein the surface of the rolling wheel is provided with a groove for preventing the solder wire from being swayed, and the blade of the broken blade is facing the groove. Center line.
A synchronous gear transmission mechanism for a soldering machine according to claim 6, wherein said broken cutter wheel is formed by combining two pinch wheels and a blade, said pinch wheel clamping said blade from both sides, said The blade is round and has a serrated blade on the edge.
A synchronous gear transmission mechanism for a soldering machine according to claim 1, wherein said two synchronizing gears have a broken tin wheel that is coaxial therewith, and said broken tin wheel is opposite
A synchronous gear transmission mechanism for a soldering machine according to claim 8, wherein said breaker wheel is formed by combining two pinch wheels and one blade, said pinch edge having a slope inclined toward said blade Or surface.
A synchronous gear transmission mechanism for a soldering machine according to claim 9, wherein a diameter of an outer surface of the pinch wheel is larger than that of the blade, and a diameter of an inner surface of the pinch wheel is smaller than a diameter of the blade, and an inner surface of the pinch wheel The difference between the diameter and the diameter of the blade is less than the diameter of the solder wire.