CN203343576U

CN203343576U - Tin wire transmission device

Info

Publication number: CN203343576U
Application number: CN 201320318417
Authority: CN
Inventors: 罗艺
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-04
Filing date: 2013-06-04
Publication date: 2013-12-18
Anticipated expiration: 2023-06-04

Abstract

The utility model provides a tin wire transmission device. The tin wire transmission device comprises a transmission mechanism and at least one pair of idler wheels driven by the transmission mechanism. The rolling face of at least one idler wheel is provided with a groove in a direction equal to the peripheral direction of the idler wheel, wherein the groove is parallel to the center line of the circumference of the rolling face of the idler wheel. According to the technical scheme, when the tin wire transmission device works, the idler wheels oppositely clamp tin wires, after the idler wheels are driven by the transmission mechanism and rotate in opposite directions, the tin wires are placed into the groove, jumping of the tin wires is effectively prevented, and the transmission process can be more smooth.

Description

A kind of tin silk conveyer

Technical field

The utility model belongs to field of welding devices, relates in particular to the tin silk conveyer for welding.

Background technology

In prior art, roll and send wheel relatively to roll and passed tin feeding wire for two of the common employings of connecting gear that transmit welding consumptive material tin silk, usually for anti-skidding, send the surface of wheel to be provided with anti-slip veins rolling, but in actual transport process, the tin silk can send wheel surface play back and forth rolling, easily lose the situation of tin silk, affect the tin silk and work in welding process.

The utility model content

The purpose of this utility model is to provide a kind of tin silk conveyer, is intended to solve the problem of easily losing in prior art tin silk transport process.

The utility model is to realize like this, a kind of tin silk conveyer, comprise transmission mechanism, and driven by described transmission mechanism at least one pair of roll and send wheel, wherein at least one described rolling surface that send wheel that rolls is provided with and described groove, described groove and the described rolling surface circle center line parallel that send wheel that rolls that send the wheel circumferencial direction consistent that roll.

Preferably, V-shaped or " U " shape in described groove cross section.

Preferably, two skew walls are provided with two curved surfaces in projection or described being " U " connected in star and are provided with projection in described V-shaped groove.

Preferably, described projection is stepped extends to " V " connected in star or " U " connected in star bottom.

Preferably, described convex top is sharp-pointed horn shape.

Preferably, described groove lateral separation is provided with a plurality of breach and causes described groove top edge to form continuous dentation.

Preferably, described rolling send wheel to be put together by least three base wheels, described base wheel is divided into two relative outer base wheels and a middle base wheel, described outer base wheel edge is provided with inclined-plane or the curved surface to intermediate, inclined, described middle base wheel diameter is less than the outer surface diameter of described outer base wheel, described middle base wheel diameter and the poor 0.1mm that is less than of described outer base wheel inner surface diameter, the thickness of described middle base wheel adopts 0.05mm to arbitrary numerical value between 1mm according to the diameter of solder stick.

Preferably, inclined-plane or the curved surface of described outer base wheel are provided with projection.

Preferably, described fastening block send wheel coaxial with described rolling.

Preferably, described transmission mechanism is one group of gear, comprises driven wheel, driven gear and synchromesh gear, and described rolling send wheel coaxial with described synchromesh gear, described synchromesh gear and driven wheel or driven gear engagement.

Use technique scheme, during conveyer work provided by the utility model, send wheel relatively to clamp the tin silk described rolling, relative direction rotation after driving by transmission mechanism, described tin silk is inserted in described groove and has effectively been prevented tin silk play, and transport process is more smooth and easy.

The accompanying drawing explanation

Fig. 1 is the product stereogram that the utility model provides

Fig. 2 is the product transmission mechanism schematic diagram that the utility model provides;

Fig. 3 is that product that the utility model provides rolls and send the wheel side schematic diagram;

Fig. 4 is the enlarged diagram of A section in Fig. 3;

Fig. 5 is that rolling of providing of the utility model embodiment bis-sent the wheel schematic diagram;

Fig. 6 is that rolling of providing of the utility model embodiment bis-sent the wheel side schematic diagram;

Fig. 7 is that U-shaped groove that the utility model embodiment tri-provides rolls and send the wheel schematic diagram;

Fig. 8 is that U-shaped groove that the utility model embodiment tri-provides rolls and send the wheel decomposing schematic representation;

Fig. 9 is that v-depression that the utility model embodiment tri-provides rolls and send the wheel schematic diagram;

Figure 10 is that v-depression that the utility model embodiment tri-provides rolls and send the wheel decomposing schematic representation;

To be the solder stick that provides of the utility model embodiment tri-send wheel to contact schematic diagram with rolling to Figure 11;

To be the solder stick that provides of the utility model embodiment tri-send wheel to contact schematic diagram with rolling to Figure 12;

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

Embodiment mono-, shown in Fig. 4, the present embodiment provides a kind of tin silk conveyer, comprise transmission mechanism 10, and driven by described transmission mechanism 10 at least one pair of roll and send wheel 20, wherein at least one described rolling surface that send wheel 20 that rolls is provided with and the described groove 21 that send wheel 20 circumferencial directions consistent that rolls, described groove 21 and the described rolling surface circle center line parallel that send wheel 20 that rolls.Use technique scheme, during conveyer work provided by the utility model, send wheel 20 relatively to clamp solder stick 60 described rolling, relative direction rotation after driving by transmission mechanism 10, described solder stick 60 is inserted in described groove 21 and has effectively been prevented solder stick 60 plaies, and transport process is more smooth and easy.

V-shaped or " U " shape in described groove 21 cross sections, after inserting solder stick 60, the skew wall of described " V " shape or " U " connected in star 21 or curved surface card jail solder stick 60, contact-making surface is 2 points, after sending wheel 20 to close up, the rolling of opposite to described solder stick 60 transverse pressures, effectively prevent solder stick 60 plaies.

In order to increase the contact point of described solder stick 60 in described groove 21, interior two skew walls of described V-shaped groove 21 are provided with projection 22 or interior two curved surfaces of " U " connected in star of described being are provided with projection.

Further, described protruding 22 steppedly extend to " V " connected in star 21 or " U " connected in star bottom, can increase more contact point, make described solder stick 60 that play should not occur.

In order to increase the fixing of described protruding 22 pairs of described solder sticks 60, prevent that it from skidding and causing the phenomenon of play or distortion in transport process, described protruding 22 tops are sharp-pointed horn shape.

Described transmission mechanism 10 is one group of gear, comprise driven wheel 11, driven gear 12 and synchromesh gear 13, described rolling send wheel 20 coaxial with described synchromesh gear 13, described synchromesh gear 13 and driven wheel 11 or driven gear 12 engagements, annexation is, described rolling send wheel 20 and described synchromesh gear 13 coaxially fixing, described driven wheel 11 is located at arbitrary one synchronous gear 13 belows and is driven this synchromesh gear 13, simultaneously, described driven wheel 11 also drives the driven gear 12 that is positioned at its side, described driven gear 12 is positioned at another described synchromesh gear 13a below and drives this synchromesh gear 13a, so just can drive two synchromesh gears 13, 13a relatively rotates, and described synchromesh gear 13 coaxially carries described roll send wheel 20 also with regard to relative to and rotate, described rolling sent input solder stick 60 between wheel 20, described solder stick 60 is subject to described rolling to send wheel 20 application of forces to transmit downwards, described rolling send the projection 22 that is sharp-pointed horn shape in wheel 20 the above groove 21 firmly to fix the solder stick 60 of output downwards, cause it can't play, and a driven wheel 11 is driven described rolling to send wheel 20 designs of being rolled also to cause described rolling to send wheel 20 synchronous rollings, can not occur to roll soon while rolling and cause slowly the fracture phenomenon of obstruction transmission mechanism of solder stick 60.

Embodiment bis-, shown in Fig. 5 and Fig. 6, the present embodiment and above-described embodiment difference are, described groove 21a lateral separation is provided with a plurality of breach 23a causes described groove 21a top to form continuous dentation 22a, the edge of described breach 23a can increase solder stick 60 and the described contact point that send wheel 20 groove 21a that rolls, and makes described solder stick 60 that play should not occur.

Embodiment tri-, with reference to Fig. 7 to shown in Figure 10, the present embodiment can adopt the described groove 21 of embodiment mono-and embodiment bis-, the 21a project organization, the present embodiment send wheel 20 to propose a kind of Welded joint for described rolling, described rolling send wheel 20 to be put together by least three base wheels 30, described base wheel 30 is divided into 31 and middle base wheels 32 of two relative outer base wheels, described outer base is taken turns 31 edges and is provided with inclined-plane or the curved surface to intermediate, inclined, described middle base is taken turns the outer surface diameter that 32 diameters are less than described

outer base wheel

31, 32 diameters taken turns by described middle base and described outer base is taken turns the poor 0.1mm of being less than of 31 inner surface diameter, the thickness of described middle base wheel 32 adopts 0.05mm to arbitrary numerical value between 1mm according to the diameter of solder stick 60, because the diameter of solder stick 60 divides, different size is arranged, ordinary circumstance at 0.1mm between 2mm, and if the described diameter that rolls the middle base wheel 32 that send wheel 20 is greater than described outer base and takes turns in 31 inner surface diameter 0.1mm, formed groove 21 is actual is to form little angle (as shown in figure 11) between the inclined-plane of base plane and described outer base wheel 31 or curved surface, when the diameter solder stick 60 of maximum gauge 2mm is inserted in described groove 21, can't contact inclined-plane or the curved surface of two outer base wheels 31 simultaneously, thereby can extruded solder stick 60 parts easily occur when stressed is squeezed in little angle, cause solder stick 60 to exceed the distortion tolerance interval, be less than described outer base and take turns (shown in Figure 12) in 31 inner surface diameter 0.1mm if another situation is the described diameter that rolls the middle base wheel 32 that send wheel, formed groove 21 easily makes solder stick 60 embed or crimp occurs, so the present embodiment is taken turns 32 diameters and described outer base at described middle base and is taken turns on poor this numerical value of 31 inner surface diameter and adopt the numerical value that is less than 0.1mm, send to meet 60 pairs of described rolling of different-diameter solder stick the requirement of taking turns 20, but the present embodiment think adopt described middle base take turns 32 diameters and described outer base take turns 31 inner surface diameter identical preferably or diameter poor less better.And thickness the present embodiment of described middle base wheel 32 selects respectively 0.1mm to different size between 2mm according to the diameter difference of solder stick 60, the present embodiment need to illustrate the importance of described middle base wheel 32, described middle base wheel 32 is after solder stick 60 is inserted in described groove 21, played supporting role, cross section is that circular solder stick 60 a bit is subject to the support of described middle base wheel 32 in stressed rear its rounded bottom, both sides are subject to again the inclined-plane of described outer base wheel 31 or the support of curved surface, can avoid solder stick 60 to deform, also can guarantee smoothly that it is sent wheel 20 to carry to a direction by described rolling simultaneously, if there is no middle base wheel 32, and only by two outer base wheel 31 combinations, cross section is that circular solder stick 60 its circular contact-making surface when stressed deforms without inclined-plane or the formed angle extruding of curved surface of supporting surface support meeting base wheel 31 outside two so, cause solder stick 60 cross sections to form water-drop-shaped or date core shaped, make solder stick 60 produce adverse consequences in next step broken tin work.

Inclined-plane or the curved surface of the outer base wheel 31 that the present embodiment provides are provided with projection, described projection can be consistent with above-described embodiment one described protruding 22, also can be consistent with the described continuous dentation 22a of above-described embodiment two, described fastening block 40 send wheel 20 coaxial with described rolling, and fastening block 40 send 20 3 base wheels 30 of wheel fixing described rolling.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a tin silk conveyer, comprise transmission mechanism, and driven by described transmission mechanism at least one pair of roll and send wheel, it is characterized in that, wherein at least one described rolling surface that send wheel that rolls is provided with and described groove, described groove and the described rolling surface circle center line parallel that send wheel that rolls that send the wheel circumferencial direction consistent that roll.

2. tin silk conveyer as claimed in claim 1, is characterized in that, V-shaped or " U " shape in described groove cross section.

3. tin silk conveyer as claimed in claim 2, is characterized in that, interior two skew walls of described V-shaped groove are provided with projection or interior two curved surfaces of " U " connected in star of described being are provided with projection.

4. tin silk conveyer as claimed in claim 3, is characterized in that, described projection is stepped extends to " V " connected in star or " U " connected in star bottom.

5. tin silk conveyer as claimed in claim 4, is characterized in that, described convex top is sharp-pointed horn shape.

6. tin silk conveyer as claimed in claim 2, is characterized in that, described groove lateral separation is provided with a plurality of breach causes described groove top edge to form continuous dentation.

7. tin silk conveyer as claimed in claim 2, it is characterized in that, described rolling send wheel to be put together by least three base wheels, described base wheel is divided into two relative outer base wheels and a middle base wheel, described outer base wheel edge is provided with inclined-plane or the curved surface to intermediate, inclined, described middle base wheel diameter is less than the outer surface diameter of described outer base wheel, described middle base wheel diameter and the poor 0.1mm that is less than of described outer base wheel inner surface diameter, the thickness of described middle base wheel adopts 0.05mm to arbitrary numerical value between 1mm according to the diameter of solder stick.

8. tin silk conveyer as claimed in claim 7, is characterized in that, inclined-plane or the curved surface of described outer base wheel are provided with projection.

9. tin silk conveyer as claimed in claim 8, is characterized in that, described two outer base wheel outer surfaces are provided with the fastening block that can clamp described outer base wheel and middle base wheel, and described fastening block send wheel coaxial with described rolling.

10. as the described tin silk of claim 1-9 any one conveyer, it is characterized in that, described transmission mechanism is one group of gear, comprise driven wheel, driven gear and synchromesh gear, described rolling send wheel coaxial with described synchromesh gear, described synchromesh gear and driven wheel or driven gear engagement.