Rotary bolt type positioning device for shoe tree
A positioning device and bolt-type technology, applied in shoe lasts, footwear, applications, etc., can solve problems such as scrapping, low production efficiency, inconsistent size, etc., and achieve the effects of accurate positioning, high work efficiency, and simple operation.
Inactive Publication Date: 2017-09-29
DONGGUAN TIANHE ELECTROMECHANICAL DEV CO LTD
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Problems solved by technology
[0003] In the process of shoemaking, if the shoe last is not positioned accurately, there will be differences in the shape and size of the shoe, resulting in a discrepancy with the required size. In serious cases, it may be scrapped, affecting the appearance and quality of the shoe, and at the same time leading to a decrease in production efficiency. low
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Embodiment Construction
[0016] like Figure 1 to Figure 4 As shown, a rotary bolt type positioning device for a shoe last, including a shoe last 10 and a cylindrical positioning block 20; a cylindrical groove-shaped positioning driving groove 200 is formed inside the positioning block 20; a positioning pin is arranged in the positioning driving groove 200 device and rotating lifting bolt device; the middle part of the upper end surface of the last heel of the shoe last 10 is formed with a pair of front and back symmetrical cylindrical groove-shaped limiting grooves and a pair of left and right symmetrical positioning threaded holes 100; a pair of limiting grooves are arranged in a pair of positioning Between the threaded holes 100; the locating pin device comprises a pair of locating pins 24 for lifting and setting; the rotating lifting bolt device comprises a pair of locating bolts 28 for rotating and lifting; the locating bolt 28 is a threaded cylinder formed on the outer cylindrical surface; The p...
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The invention discloses a rotary bolt type positioning device for a shoe tree. The rotary bolt type positioning device comprises a shoe tree and a cylindrical positioning block. The positioning block is internally provided with a cylindrical groove-shaped positioning drive groove, and a positioning pin device and a rotary lifting bolt device are arranged in the positioning drive groove. One pair of cylindrical limiting grooves with symmetrical front and rear sides and one pair of positioning threaded holes with symmetrical left and right sides are formed in the middle of the upper end face of a heelpiece of the shoe tree, and the limiting grooves are formed between the positioning threaded holes. The positioning pin device comprises a pair of lifting positioning pins, the rotary lifting bolt device comprises a pair of positioning bolt in rotary lifting arrangement, the positioning pins can be inserted in the limiting grooves, and the positioning bolts can be in threaded connection with the positioning threaded holes when the positioning pins are inserted in the limiting grooves. The rotary bolt type positioning device has advantages of simplicity in operation, high operation efficiency, accuracy in positioning and sufficiency in de-lasting force.
Description
technical field [0001] The invention relates to the field of shoemaking machinery, in particular to a rotary bolt type positioning device for a shoe last. Background technique [0002] Shoe last is an essential tool for shoemaking. In the process of making shoes, shoe last must be used to shape. The shoe last is mainly used for shaping the upper of the shoe and as a model for fixing the midsole and upper of the shoe. When using a shoe last to make shoes, the following method is adopted: the outer surface of the shoe last is covered by the shoe upper leather that constitutes the shape of the shoe, in this state, the sole is adhered to the lower end of the shoe upper leather from the outside, and then the shoe last is pulled off; A space is formed inside the shoe that corresponds to the shape of the last, enabling the manufacture of a shoe that matches the shape of the foot. [0003] In the process of shoemaking, if the shoe last is not positioned accurately, there will be d...
Claims
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IPC IPC(8): A43D23/04
CPCA43D23/04
Inventor 赵鸿斌
Owner DONGGUAN TIANHE ELECTROMECHANICAL DEV CO LTD