Special clamping device for slidably positioning and pneumatically clamping feed dog to machine top surface

A pneumatic clamping and feeding dog technology, applied in the direction of metal processing equipment, positioning devices, metal processing machinery parts, etc., can solve the problems of increased production cost, low processing accuracy, poor product quality, etc., to reduce waste and improve production Efficiency, fast positioning effect

Inactive Publication Date: 2016-07-27
TIANJIN JINLAI PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the positioning point is fixed, but the size of the blank of the workpiece is different, it cannot be completely fitted to the positioning point, resulting in low machining accuracy, poor product quality, and high scrap rate, which increases the production cost of the enterprise.

Method used

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  • Special clamping device for slidably positioning and pneumatically clamping feed dog to machine top surface
  • Special clamping device for slidably positioning and pneumatically clamping feed dog to machine top surface
  • Special clamping device for slidably positioning and pneumatically clamping feed dog to machine top surface

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Embodiment Construction

[0015] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be noted that the embodiments are illustrative, not restrictive, and cannot limit the protection scope of the present invention.

[0016] Disclosed is a special clamping device for sliding positioning of feed dogs and pneumatic clamping for processing, including a bottom plate 7, a vertical plate 8, a clamping cylinder 9, a fastening pressure plate 2, an installation block 3 and a positioning plate 1. The vertical plate is installed on the bottom plate, and a mounting block is slidably installed on the upper part of the front of the vertical plate. 10 is connected with the slider.

[0017] A groove 12 for placing the workpiece 11 is formed on the upper end surface of the mounting block, and a side slot 13 communicating with the groove is formed on the outer side wall of the mounting block. A positioning plate positioned above the mounting ...

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Abstract

The present invention relates to a special clamping device for slidably positioning and pneumatically clamping a feed dog to machine a top surface. A vertical plate is installed on a base plate. An installing block is slidably installed at an upper portion of the front side of the vertical plate. A groove for disposing a workpiece is formed in an upper end surface of the installing block. A side groove communicated with the groove is formed in an outer side wall of the installing block. A positioning plate positioned over the installing block is installed at an upper end portion of the vertical plate. A workpiece positioning groove is formed in the positioning plate. A clamping cylinder is installed at the back side of the vertical plate. A piston rod of the clamping cylinder passes through the vertical plate and is connected with a fastening pressing plate. The fastening pressing plate is positioned at an outer side of the installing block. An upper end of the fastening pressing plate is inserted into the side groove formed in the outer side wall of the installing block. The special clamping device is suitable for positioning and machining a blank workpiece, the blank workpiece can be positioned accurately, machining precision and product qualified rate can be increased, and raw material waste can be reduced. In addition, positioning speed of the device is fast, and production efficiency can be improved after the device is used.

Description

technical field [0001] The invention relates to a clamping device used in the technical field of industrial sewing machine production, in particular to a special clamping device for sliding positioning of cloth feeding teeth and pneumatic clamping for processing the top. Background technique [0002] At present, when milling and flattening the top (end face) of the feed dog of an industrial sewing machine, the workpiece is fixed by manual clamping. Since the positioning point is fixed, but the size of the blank of the workpiece is different, it cannot be completely fitted to the positioning point, resulting in low processing accuracy, poor product quality, and high scrap rate, which increases the production cost of the enterprise. Contents of the invention [0003] The purpose of the present invention is to make up for the deficiencies of the prior art, and to provide a special clamping device with good positioning and clamping effect for the sliding positioning of the fee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/08
Inventor 张涛王金鹏李绍功崔超崔越崔建涛崔德怀崔振永
Owner TIANJIN JINLAI PRECISION MACHINERY
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