TWM507844U - Welding hand tool for three dimensional printing - Google Patents

Abstract

A welding hand tool for welding a pair of wires is provided, wherein the pair of wires are used in a fused deposition modeling (FDM) process. The welding hand tool includes a clamping body and a heating module. The clamping body includes a pair of handles pivoted to each other and a pair of clamping heads disposed at ends of the handles, such that the clamping heads are opened or closed by pivoting the handles. The heating module disposed in the clamping body includes a pair of heating portions exposed out of the clamping heads, and the pair of wires are disposed and clamped by the clamping heads to be welded into a single wire by the heating portions.

Description

Three-dimensional printing welding hand tool

The novel creation is related to a hand tool, and in particular to a three-dimensional printing fusion hand tool.

With the advancement of Computer-Aided Manufacturing (CAM), the manufacturing industry has developed Rapid Prototyping (RP), which can quickly create original design ideas. Three-dimensional printing is a kind of rapid prototyping technology. It is a technique based on a digital three-dimensional model to construct a three-dimensional object by stacking and building a molten material layer by layer. The so-called fused deposition method (Fused) Deposition Modeling, FDM).

The current three-dimensional printing device usually uses a solid wire composed of a building material to be heated, and then the building material is molten, and then extruded through a printing head of a three-dimensional printing device to layer the molten building material layer by layer. The bottom layer is stacked on the base of the three-dimensional printing device to form a three-dimensional object. However, if the solid wire is used in the process of three-dimensional printing, the printing will be terminated, and the new solid wire must be replaced and reprinted, thus easily causing structural defects in the succeeding part. trap. Therefore, the user needs to estimate the required wire for the printed label before performing the three-dimensional printing, and thus is still very inconvenient in use.

The novel creation provides a three-dimensional printing fusion hand tool by heating The module can fuse separate pairs of wires together.

The novel three-dimensional printing fusion hand tool for welding a pair of wires The wire is suitable for a fused deposition modeling (FDM) three-dimensional printing process. The three-dimensional printing fusion hand tool includes a clamping body and a heating module. The clamping body includes a pair of grips pivotally coupled to each other, and a pair of collets at the ends of the grips, wherein the grips pivot relative to each other to cause the collets to open one another. The heating module is disposed in the clamping body. The heating module has a pair of heating portions that are respectively exposed from the collet. The pair of wires are adapted to be placed between the heating portions such that the collet is closed to clamp the wire, and the wire is welded to the single wire by the heating module.

In an embodiment of the present invention, the heating module includes an electric heating unit adapted to be connected to a power source, and the pair of heating portions are a pair of welding pieces respectively embedded in the pair of chucks. And the solder tab is thermally connected to the electric heating unit.

In an embodiment of the present invention, the power source is disposed in the clamping body or an external power source.

In an embodiment of the present invention, each of the chucks has a first groove, and each of the welded strips has a second groove, the first groove and the second groove are contoured, and the pair of wires are suitable The capacitor is placed in the first trench and the second trench.

In an embodiment of the novel creation, the first grooves have mutual A first segment and a second segment are separated, and the second trench is continuous between the first segment and the second segment. The pair of wires enter the second groove from the first segment and the second segment, respectively.

In an embodiment of the novel creation, the first segment and the second segment are At least one of the surfaces has a rough structure.

In an embodiment of the novel creation, a torsion spring is further disposed on the handle The pivot joint is connected to the grip, and the torsion spring constantly drives the collet to close.

Based on the above, the novel creation is provided by placing the heating module on the clamping body In order to allow a pair of separated wires to be placed between the chucks of the clamping body and clamped and fixed, the heating portions of the heating module can be heated and welded to separate the originally separated pair of wires. The wire is welded into a single wire.

In order to make the above features and advantages of the novel creation more obvious, the following The embodiments are described in detail with reference to the accompanying drawings.

100‧‧‧Three-dimensional printing welding hand tools

110‧‧‧Clamping body

112, 114‧‧‧ grip

116‧‧‧Pivot

118‧‧‧torsion spring

122, 124‧‧‧ chuck

122a, 124a‧‧‧ first trench

132, 134‧‧‧ heating department

132a, 134a‧‧‧ second trench

140‧‧‧Connecting line

150‧‧‧heating unit

160‧‧‧Circuit Control Unit

200, 300‧‧‧ wire

400‧‧‧heating module

500‧‧‧Power supply

S1‧‧‧Rough structure

V1‧‧‧ first paragraph

V2‧‧‧ second paragraph

1 is a perspective view of a three-dimensional printing splicing hand tool according to an embodiment of the present invention.

2 is a perspective view of the three-dimensional printing splicing hand tool of FIG. 1.

Figure 3 is a block diagram showing the connection of some of the components of the three-dimensional splicing hand tool of Figure 1.

1 is a perspective view of a three-dimensional printing splicing hand tool according to an embodiment of the present invention. 2 is a perspective view of the three-dimensional printing splicing hand tool of FIG. 1. Figure 3 is a block diagram showing the connection of some of the components of the three-dimensional splicing hand tool of Figure 1. Referring to FIG. 1 to FIG. 3 simultaneously, in the embodiment, the three-dimensional printing fluxing hand tool 100 is used for welding a pair of wires 200, 300, and the wires 200, 300 are suitable for fused deposition modeling. FDM) Three-dimensional printing process. As mentioned above, when the wire is exhausted in the process of three-dimensional printing, in order to avoid the change of the precision of the front and rear three-dimensional printing due to the stop of the three-dimensional printing device and the re-replacement of the wire, the novel creation is achieved by The three-dimensional printing of the hand tool 100 is used to connect the wire assembled in the three-dimensional printing device with the spare wire, so that the three-dimensional printing process can be continued without interruption, so that the aforementioned printing precision can be effectively overcome.

In the present embodiment, the three-dimensional printing fluxing hand tool 100 includes a clamping body 110 and a heating module 400 disposed in the clamping body 110, wherein the clamping body 110 includes grips 112, 114 and are disposed on the grips 112, 114. The ends of the collets 122, 124, wherein the grips 112, 114 are pivotally connected together by the pivoting member 116 and thus pivoted to each other, thereby driving the collets 122, 124 to open opposite each other. As shown in FIG. 1 and FIG. 2, the heating module 400 has a pair of heating portions 132 and 134 which are respectively exposed from the chucks 122 and 124 so that the wires 200 and 300 independent of each other are respectively placed on the chucks 122 and 124. During the interval, the user can close the wires 122, 300 by the chucks 122, 124, and then melt and join the wires 200, 300 with the heating portions 132, 134 to make the two separated wires 200 300 forms a single wire.

In addition, the clamping body 110 of the present embodiment further includes a torsion spring 118 disposed at a pivotal joint of the pair of grips 112, 114 (ie, at the pivoting member 116) and coupled to the pair of grips 112, 114. And the torsion spring 116 keeps the chucks 122, 124 closed, that is, when the handles 112, 114 are unstressed, the chucks 122, 124 are clamped to the wires 200, 300 to facilitate the user's grip. It is not necessary to use too much force when the wires 200 and 300 are used.

Please refer to FIG. 3 . In detail, the heating module 400 of the embodiment includes an electric heating unit 150 , a connecting line 140 , a circuit control unit 160 , and the foregoing heating portions 132 and 134 , wherein the connecting line 140 is electrically connected to Since the power source 500 and the electric heating unit 150 are thermally connected to the heating portions 132 and 134, the heating portions 132 and 134 are heated by electric conduction heating so that the wires 200 and 300 contacting the heating portions 132 and 134 are reached. The state of melting. The circuit control unit 160 is, for example, a push switch or any other form of switch electrically connected between the electric heating unit 150 and the connecting line 140 for controlling the electric heating unit 150 to start and stop heating the heating portions 132, 134 or Perform temperature adjustment.

In this embodiment, the heating module 400 is electrically connected by the connection line 140. The source 500 is electrically connected, that is, the power source 500 is regarded as an external power source. In another embodiment, not shown, the power source can be disposed in the clamping body 110 as its own built-in power source, that is, the three-dimensional printing welding hand tool is powered by the built-in battery technology. The source, and thus the connection line 140 can be omitted.

Referring again to FIGS. 1 and 2, the heating portions 132, 134 of the present embodiment are, for example, A pair of copper solder tabs respectively embedded in the chucks 122, 124, and the solder tabs are thermally connected to the electric heating unit 150 and in direct contact with the wires 200, 300. Furthermore, Each of the collets 122 or 124 has a first groove 122a, 124a, and each of the heating portions 132, 134 (welding piece) has a second groove 132a, 134a. Here, the first trench 124a is exemplified (the first trench 122a also has the same structure, and is omitted here). The first trench 124a of the present embodiment has the first segment V1 and the second segment separated from each other. V2, and the second trench 132a is continued between the first segment V1 and the second segment V2. Since the first groove V1 (the first segment V1 and the second segment V2) of the first groove 124a coincides with the contour of the second groove 132a, the wires 200, 300 separated from each other enter the second groove by the first segment V1 and the second segment V2, respectively. The groove 132a is smoothly accommodated in the first groove 124a and the second groove 132a.

On the other hand, please refer to Figure 1 and Figure 2 again, in order to make the wires 200, 300 The first grooves 122a, 124a of the present embodiment can be easily fixed in the first grooves 122a, 124a of the chucks 122, 124. The first grooves 122a, 124a of the present embodiment also have a roughness S1 at the surface thereof to enhance the accommodation of the wires 200, 300. The friction between the first grooves 122a, 124a and the wires 200, 300.

In addition, in an unillustrated embodiment, the heating portions 132, 134 can also A plurality of fine holes are provided to increase the exhaust effect when the molten wires 200, 300 are heated.

In summary, in the above embodiment of the present invention, by providing the heating module in the clamping body, the three-dimensional printing welding hand tool can be used to connect the wire in the FDM process, so there is no need for the wire. Depletion interrupts the process, which in turn increases the accuracy of the molded product and also avoids the time required to replace the wire.

Although the novel creation has been disclosed above by way of example, it is not intended to limit the creation of the novel, and any one of ordinary skill in the art does not deviate. Within the spirit and scope of this new creation, when a little change and refinement can be made, the scope of protection of this new creation is subject to the definition of the scope of the patent application attached.

100‧‧‧Three-dimensional printing welding hand tools

110‧‧‧Clamping body

112, 114‧‧‧ grip

116‧‧‧Pivot

118‧‧‧torsion spring

122, 124‧‧‧ chuck

124a‧‧‧first trench

132‧‧‧ heating department

132a‧‧‧Second trench

140‧‧‧Connecting line

200, 300‧‧‧ wire

V1‧‧‧ first paragraph

V2‧‧‧ second paragraph

Claims (7)

A three-dimensional printing welding hand tool for welding a pair of wires, the pair of wires being suitable for a fused deposition modeling (FDM) three-dimensional printing process, the three-dimensional printing welding hand tool comprising: a clamping body, including a pair of grips pivotally connected to each other, and a pair of collets at the ends of the pair of grips, the pair of grips pivoting relative to each other to open the pair of collets; and a heating module disposed on In the clamping body, the heating module has a pair of heating portions respectively exposed from the pair of chucks, the pair of wires being adapted to be placed between the pair of heating portions, the pair of chucks being closed to clamp the pair a wire such that the pair of wires are fused by the heating module into a single wire. The three-dimensional printing splicing hand tool according to claim 1, wherein the heating module comprises: an electric heating unit adapted to be connected to a power source, and the pair of heating portions are respectively embedded in the pair of chucks a pair of fusion splicing sheets, the pair of fusion splicing sheets being thermally connected to the electric heating unit. The three-dimensional printing fusion hand tool according to claim 2, wherein the power source is disposed in the clamping body or an external power source. The three-dimensional printing fusion hand tool of claim 2, wherein each of the chucks has a first groove, and each of the welding pieces has a second groove, the first groove and the second groove The groove profiles are uniform, and the pair of wires are adapted to be received in the first groove and the second groove. The three-dimensional printing splicing hand tool of claim 4, wherein the first groove has a first segment and a second segment separated from each other, the second groove continuing in the first segment and the Between the second segments, the pair of wires enter the second groove from the first segment and the second segment, respectively. The three-dimensional printing splicing hand tool of claim 5, wherein the surface of at least one of the first segment and the second segment has a rough structure. The three-dimensional printing fusion hand tool according to claim 1, further comprising: a torsion spring disposed at a pivotal connection of the pair of handles to be connected to the pair of handles, the torsion spring constantly driving the pair of chucks Closed.