Brush manufacturing machine
A technology for manufacturing machines and brushes, applied in the direction of brushes, brush bodies, household components, etc., can solve the problems of unusable brushes, achieve low cost, simple operation or transportation, and reduce manufacturing costs
Active Publication Date: 2012-09-05
ZAHORANSKY AG
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AI Technical Summary
Problems solved by technology
[0002] In the manufacture of brushes in which the bristles are not stuffed into the brush body, but in the region of the brush body the bundles of bristles are injection molded around the brush body and fixed in this way on the brush body, there is the problem that during the injection molding of the brush body due to the high The injection pressure passes through the individual fibers of the bristle bundles or the liquid plastic material at the edge of the bristle bundles is subjected to high pressure, and this excess plastic material is then visible on the brush surface and the brush is therefore unusable
These boxes are therefore an important cost factor for such brush making machines
Method used
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Embodiment Construction
[0030] according to figure 1 The brush production machine designated as a whole by 1 has a filling device 2 comprising a bristle supply 3 , a beam splitter 4 and a filling tool 5 as assembly means for an assembly box 6 . After the assembly box 6 is completely equipped with a plurality of bristle bundles 7, the assembly box 6 is sent to a transfer position (arrow Pf1), in which each bristle bundle 7 is transferred to another box 9 by means of a transfer device 8 . The box 9 can have a smaller hole diameter for the bristle bundles 7 so that the bristle bundles 7 are compacted during transfer. The transfer device 8 has a plurality of pins 10 for inserting into a plurality of passage holes of the assembly box 6 . Utilize these pins 10 that bristle bundle 7 is pushed in the channel hole 27 of box 9 from the channel hole of assembly box 6 ( figure 2 , 3 ). After the transfer of the bristle bundles 7 into the cassette 9, the assembly cassette 6 is brought back in front of the f...
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A brush manufacturing machine (1) has a first injection-molding machine (18) for the region-by-region injection molding of material around the bristle bundles (7) held in cartridges (9) and for forming a bristle carrier (19) connecting the bristle bundles (7) and also a second injection-molding machine (24) in which the bristle carrier (19) can be inserted and material can be injection molded around this carrier for forming a brush body (25) or partial brush body. The first injection-molding machine (18) is constructed for forming a thin-walled plate as a bristle carrier (19) and has a shorter cycle time than the second injection-molding machine (24). At least the second injection-molding machine (24) is constructed as a multi-compartment injection-molding machine and has a multiple of the number of mold cavities of the first injection-molding machine (18).
Description
technical field [0001] The present invention relates to a brush making machine. Background technique [0002] In the manufacture of brushes in which the bristles are not stuffed into the brush body, but in the region of the brush body the bundles of bristles are injection molded around the brush body and fixed in this way on the brush body, there is the problem that during the injection molding of the brush body due to the high The injection pressure is subjected to high pressure through the individual fibers of the bristle bundles or the liquid plastic material at the edges of the bristle bundles, and this excess plastic material is then visible on the brush surface and the brush is therefore unusable. [0003] Various devices and methods are known for solving such problems, for example, the possibility exists of welding the bristle bundles on their fixed sides, simultaneously connecting the individual fibers to each other and thickening the welded ends. [0004] A method ...
Claims
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IPC IPC(8): A46D3/04A46D3/00B29C45/14
CPCB29C45/14385B29L2031/425B29C45/0084A46D3/04B29C45/1671B29C2045/14393
Inventor W·埃布纳
Owner ZAHORANSKY AG