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A push rod and its forging process

A push rod and process technology, applied in metal processing equipment, metal chains, transportation and packaging, etc., can solve problems such as uneven force, limited hardness of push rods, broken chains, etc., to achieve increased use strength, reasonable distribution position, The effect of prolonging the service life

Active Publication Date: 2021-08-03
上海兴道锻造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One is that the handle and push head of the above-mentioned patent are misplaced, and there is uneven force on the joints between the push head and the handle and the two ends of the rod body. Long-term use may easily cause the handle and push head to break, and even cause the chain to break.
[0006] The second is that the push rods used in this type of chain are mostly made of traditional casting process or one-time die forging. The hardness of the push rod after processing is limited. It takes a long time to bear the load of objects such as trolleys, and the service life is short

Method used

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  • A push rod and its forging process
  • A push rod and its forging process
  • A push rod and its forging process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Embodiment 1: as figure 1 As shown, a push rod includes a rod body 3, a push head 1 is provided on the lower side of one end of the rod body 3, and a handle 2 is provided on the upper side corresponding to the same end of the rod body 3. The connecting line between the centers of the push head 1 and the handle head 2 is perpendicular to the axis of the rod body 3 ; the end of the rod body 3 away from the push head is provided with a mounting hole 4 . A push head reinforcing rib 5 is provided between the rod body 3 and the push head 1 , and a handle head reinforcing connecting plate 6 is provided between the rod body 3 and the handle head 2 . The outer ends of the pusher head 1 and the handle head 2 are respectively provided with a radially outward pusher head convex portion 7 and a handle head convex portion 8 . The push head reinforcing rib 5, the handle head reinforcement connecting plate 6 and the rod body 3, the push head 1, and the handle head 2 are made by multip...

Embodiment 2

[0071] Embodiment 2: as Figure 4 Shown, a kind of forging process of push rod comprises the following steps:

[0072] Step S1: Incoming material inspection, check the composition of the bar material and the outer diameter specification of the bar material; use a carbon and sulfur analyzer to test the material of the bar material to ensure that the material performance meets the requirements.

[0073] Step S2: blanking, using a cutting machine to cut sections from the bar to obtain rod-shaped blanks; step S2 blanking uses electronic scales, vernier calipers and other instruments to measure and select materials that meet the requirements, thereby improving the pass rate of push rod processing.

[0074] Step S3: heating, placing the rod-shaped blank in a heating device, so that the temperature of the rod-shaped blank is higher than the recrystallization temperature and lower than the temperature of the solidus.

[0075] Step S4: Billet making. Before processing, it is necessary...

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Abstract

The invention relates to the technical field of chain appliances, in particular to a push rod and its forging process. A push rod includes a rod body, a push head and a handle. The push head and the handle head are set on the same vertical line, and the force on the connection position between the two and the rod body is balanced, and a reinforcement structure is added to the connection between the handle head and the push head of the push rod and the rod body to share the force. The forging process of the rod body mainly includes the following steps: S1: feed inspection, S2: blanking, S3: heating, S4: billet making, S5: die forging, S6: trimming, S7: punching, S8: cleaning Shot blasting, S9: flaw detection, S10 heat treatment, S11: hardness inspection. The hardness and strength of the push rod are improved through multi-stage die forging, thereby improving the use strength and prolonging the service life of the push rod.

Description

technical field [0001] The invention relates to the technical field of chain appliances, in particular to a push rod and its forging process. Background technique [0002] Chains, mainly used for hanging conveyors, are the main transmission components in chain conveyors. There are applications in almost all industrial fields, such as: automobile factories, motorcycle factories, home appliances, furniture factories and other assembly line production lines. The push rod used by the chain is used to load objects such as trolleys. When the chain and the push rod are running, the push rod bears the impact load from objects such as the trolley. Therefore, the push rod used for the chain must be required to have very high strength. [0003] The Chinese patent with the notification number CN202414653U discloses a push rod for chains, including a rod body, a push head is provided on the lower side of one end of the rod body, a handle is provided on the corresponding upper side of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G17/38B21L9/00B21J5/00
CPCB21J5/002B21L9/00B65G17/38
Inventor 吴晓丹
Owner 上海兴道锻造有限公司
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