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Baseball bat production method

A production method and technology for baseball bats, applied to rackets, sports accessories, etc., can solve problems such as low production efficiency and uneven wall thickness of bats, achieve high reuse rate, low defective product rate and scrap rate, and save production. cost effect

Active Publication Date: 2015-07-29
TONGXIANG BONNY SCI & TECH COMPOSITE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the disadvantages of uneven wall thickness and low production efficiency in the prior art, and provide a baseball bat with high production efficiency, low cost, high strength and good quality stability. Method for making baseball bat with uniform wall thickness

Method used

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Examples

Experimental program
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Embodiment 1

[0050] Such as Figure 4 Shown embodiment is a kind of manufacturing method of baseball bat, comprises the steps:

[0051] Step 100, cleaning bead mold

[0052] Send the bead mold used for bat bead molding to the furnace table, heat the bead mold to a temperature of 70°C, clean the inner surface of the mold with butanone and mold cleaning agent, and then brush the sealing agent to make the inner surface of the mold Flatten and apply release agent;

[0053] Step 200, baking the steel mandrel

[0054] In a shape that matches the shape of a baseball bat such as figure 1 Brush the white silica gel adhesive on the outer peripheral surface of the steel mandrel 1 shown, and place the steel mandrel on the stove plate of the stove for baking, and stop baking when the surface of the steel mandrel is white; figure 1 As shown, the end face area of ​​the right end of the steel mandrel is larger than the end face area of ​​the left end, the end faces of both ends of the steel mandrel ar...

Embodiment 2

[0078] In embodiment 2, such as Figure 5 As shown, the outer peripheral surface of the steel mandrel is provided with spirally arranged conical protrusions. The distance between the conical protrusions in adjacent rows is 0.25 cm, and the height of the conical protrusions is 0.29 cm. The end face area of ​​the right end of the steel mandrel is larger than the end face area of ​​the left end, the end faces of both ends of the steel mandrel are provided with an extension rod 6 extending axially along the steel mandrel, and the end of the extension rod at the right end is provided with a nut 7 . The glass fibers in Example 1 were replaced with carbon fibers.

[0079] Other structures and steps of embodiment 2 are all the same as in embodiment 1.

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Abstract

The invention discloses a baseball bat production method. According to the method, strip silicon sheets made of raw silicon materials are used as fillers, a steel core rod in the middle serves as a central support rod, the strip silicon sheets and the steel core rod are combined in a high density mode to form ball bat retaining strips through high-temperature forming of a retaining strip mold, thermal expansion of the strip silicon sheets is used for producing pressure to all layers of yarn materials to cure epoxy resin on all layers of the carbon fibers or glass fiber yarn materials. The method has the advantages of being high in repeated usage rate, capable of saving production costs, simple to form and operate, low in baseball bat coarse blank and scrap ratio, bubble-free in produced baseballs and uniform in wall thickness, high in strength and stable in quality of produced baseballs.

Description

technical field [0001] The invention relates to the technical field of sporting goods manufacturing, in particular to a method for manufacturing a baseball bat with high production efficiency, low cost, high strength, good quality stability and uniform wall thickness. Background technique [0002] The molding method adopted by traditional bats is blow molding, in which an ultra-thin plastic film tube is placed in the bat preform, and a certain wind pressure is applied to the sealing mouth when the bat preform is formed, so that the ultra-thin plastic film The tube supports the inner wall of the bat preform. [0003] There are following disadvantages in the bat forming method in the prior art: [0004] 1. When forming by air injection molding, when a certain wind pressure is applied to the ultra-thin plastic film tube, the ultra-thin plastic film tube is easy to break, causing wrinkles and air leakage in the bat. [0005] 2. When forming by air injection molding, the unstab...

Claims

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Application Information

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IPC IPC(8): A63B59/50A63B102/18
Inventor 洪硕宏
Owner TONGXIANG BONNY SCI & TECH COMPOSITE
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