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Clamping and positioning device and positioning method for flexible riving knife

A positioning device and clamping technology, used in metal processing equipment, welding equipment, manufacturing tools, etc., can solve problems such as errors, and achieve the effects of good processing quality, reasonable structural design, and easy implementation.

Active Publication Date: 2022-02-11
SONGSHAN LAKE MATERIALS LAB +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, the force generated in machining will also lead to the above errors

Method used

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  • Clamping and positioning device and positioning method for flexible riving knife
  • Clamping and positioning device and positioning method for flexible riving knife
  • Clamping and positioning device and positioning method for flexible riving knife

Examples

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Embodiment

[0035] Embodiment: This embodiment takes clamping and processing of a riving knife as an example for illustration, and does not mean that it is limited to clamping and processing a riving knife. Those skilled in the art can apply analogy to other small needle-shaped workpieces.

[0036] see Figure 1-Figure 11 , a clamping and positioning device for a flexible riving knife provided in this embodiment, which includes a clamp base 1 , a wedge-shaped positioning block 2 and a pre-tightened elastic pressing assembly 3 .

[0037] There are a plurality of longitudinal slots 11 arranged side by side on the clamp base 1. In this embodiment, the number of the longitudinal slots 11 is preferably eight. In other embodiments, the number of the longitudinal slots 11 is also It can be six, seven or other numbers.

[0038] The longitudinal slots 11 are provided with a plurality of sub-chutes 111 arranged in a step shape. In this embodiment, considering factors such as the accumulation of ma...

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Abstract

The invention discloses a clamping and positioning device and a positioning method for a flexible riving knife, which comprises a clamp base, a wedge-shaped positioning block and a pre-tightened elastic pressing component, and a plurality of longitudinal slots are arranged side by side on the clamp base. The longitudinal slots are provided with a plurality of sub-chutes arranged in a stepped shape, and the wedge-shaped positioning block is located in the sub-chutes and is tensioned by a pre-tightening elastic pressing component. The technical solution provided by the invention can quickly clamp and position small needle-shaped workpieces such as riving knives, and the clamping stability is good. For the processing of workpieces of the same specification and model, no secondary adjustment is required, which greatly improves the processing efficiency and effectively guarantees each The consistency and stability of the relative spatial attitude and position between the workpieces, the batch clamping processing quality is good, especially suitable for automatic production lines, to achieve the continuity of automatic processing, in addition, it has a wide range of applications, and can meet various specifications and types of workpieces. Clip requirements, conducive to widespread application.

Description

technical field [0001] The invention relates to the technical field of clamping and positioning of a riving knife, in particular to a clamping and positioning device and a positioning method for a flexible riving knife. Background technique [0002] In IC packaging, the connection between the chip and the lead frame (substrate) provides a circuit connection for the distribution of power and signals. At present, more than 90% of the connection methods are still wire bonding. "Wire bonding" is similar to a high-tech sewing machine that uses extremely thin wires to sew one chip to another chip or substrate. The ceramic rivet is the device responsible for discharging and "drawing" the metal material. [0003] In order to increase the service life of the rivet, the main material of the rivet is tungsten carbide, titanium carbide and alumina ceramics, etc., which improves the ability of the rivet head to maintain the surface roughness and ensures the bonding force of the rivet. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/382B23K26/70
CPCB23K26/382B23K26/702
Inventor 赵卫王海龙郭亚文朱建海
Owner SONGSHAN LAKE MATERIALS LAB
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