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A technology of presses and connecting rod pins, which is applied to the driving devices of presses, punching machines, and forging presses, etc., can solve the problems of heavy, time-consuming and difficult maintenance of presses.

Inactive Publication Date: 2005-11-16
BTM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such presses are often heavy and include many complex parts, making repairs difficult and time-consuming

Method used

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Examples

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Embodiment Construction

[0031] The following description of preferred embodiments is exemplary only and in no way meant to limit the scope, application or use of the invention.

[0032] Referring to Figures 1-4, the press 10 of the present invention will be described. The press 10 generally includes a press body 12 , an actuator 14 , a ram assembly 16 , and a lower tooling assembly 18 . Actuating device 14 ( figure 2 -4 shown) can make the ram assembly 16 in the retracted position ( figure 2 shown) and the extended position (shown in Figure 3) between the axial reciprocating movement. The ram assembly 16 is adapted to engage the workpiece against the lower machining assembly 18 to form the desired joint.

[0033] The press body 12 includes an actuation chamber 20, a hammer hole 21, first and second cover plates 22, 24, an upper pneumatic port 26, an upper lubricating port 27, a lower pneumatic port 28, a lower lubricating port 29, and a throat 30, and a set of holes 31 containing a pedestal patte...

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PUM

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Abstract

A press for translating a tool includes a first member, a second member and a plurality of retention members. The first member is drivingly coupled to an actuator. The first member is axially moveable between first and second positions in response to movement of the actuator. The first member includes a first end surface having a plurality of circumferentially spaced apart detents. The second member is threadably engaged with the first member. The first and second members define an assembly having a length. The retention members are positioned between the first and second members. Each retention member is biasedly engaged with one of the detents to provide resistance to relative rotation between the first and second members. The resistance to relative rotation may be overcome to adjust the length of the assembly.

Description

technical field [0001] The present invention relates to sheet metal forming apparatus and more particularly to a sheet metal forming press including a unique force generating and transmitting mechanism. Background technique [0002] In product manufacturing, it is often necessary to join several pieces of material, such as sheet metal, to form various components and subassemblies. There are a number of different ways to accomplish this connection task. For example, there is bonding, welding or cold deformation. Bonding and welding processes require the introduction of foreign materials into the assembly. Foreign materials may fail, weakening the component. In cold forming, several sheets are plastically deformed in such a way that they lock together. Depending on the thickness, strength and / or amount of materials to be joined, relatively high forces are required to accomplish this task. [0003] Conventional presses used to provide this force include in-line hydraulic p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D39/03B21J9/18B30B1/00B30B1/10B30B1/16B30B15/00
CPCB21J9/18B21D39/031B30B1/10B30B15/0088B30B1/16B21D28/002B21D28/24
Inventor E·G.·索登S·J·斯普罗特贝里
Owner BTM CORP