CN104814572A - Safety shoes puncture resistance testing machine - Google Patents

Abstract

The invention relates to the technical field of test equipment, in particular to a safety shoe puncture-proof testing machine which comprises a machine body, a motor, a driving wheel, a synchronizing wheel, a screw rod nut, a sliding seat, a pressure sensor, an ejector pin, a pressing plate, an air cylinder and a clamp, wherein the motor, the driving wheel, the synchronizing wheel, the screw rod nut, the sliding seat, the pressure sensor, the ejector pin, the air cylinder and the clamp are arranged in the machine body; the air cylinder is in driving connection with the pressing plate, the pressing plate is matched with the clamp to clamp a sole sample, and the pressing plate is provided with a through hole for the thimble to penetrate through; the invention has the advantages of simple and compact structure, convenient clamping, high testing efficiency and scientific and reasonable detection result.

Description

Safety shoes puncture resistance testing machine

technical field

The invention relates to the technical field of testing equipment, in particular to a safety shoe anti-piercing testing machine.

Background technique

An important part of safety shoe testing is the anti-puncture performance test of the sole. Clamp the sole on the fixture, and use the specified thimble to pierce the sole at a specified speed to detect the force of the sole being pierced. The existing testing machine has complicated structure, long clamping time, inconvenient testing, and unscientific and reasonable testing results.

Contents of the invention

The object of the present invention is to provide an anti-piercing testing machine for safety shoes, which has a simple and compact structure, convenient clamping, high testing efficiency and scientific and reasonable testing results.

In order to achieve the above object, the present invention adopts the following technical solutions: a safety shoe anti-puncture testing machine, which includes a body and a motor installed in the body, a driving wheel, a synchronous wheel, a screw mandrel, a screw nut, a sliding seat, a pressure sensor, The thimble, the pressure plate, the cylinder and the fixture, the motor drive is connected to the driving wheel, the driving wheel is driven to connect the synchronous wheel through the belt, the synchronous wheel is connected to the screw rod, the screw nut is installed on the sliding seat, the screw rod and the screw nut are threaded, The pressure sensor is installed on the sliding seat, and the thimble is installed on the front end of the pressure sensor; the cylinder drives and connects the pressure plate, the pressure plate cooperates with the fixture to clamp the sole sample, and the pressure plate is provided with a through hole for the thimble to pass through; the body is also installed with a useful Buttons for controlling the action of the cylinder, a pressure regulating valve and a pressure gauge for adjusting the pressure of the cylinder, and a control panel for setting the test speed, the maximum piercing force value and displaying the piercing force value;

Before the test, first set the test speed and the maximum puncture force value through the control panel, then press the button to let the cylinder push the pressure plate out, put the sole sample on the fixture, and then press the button to make the pressure plate fix the sample , and the pressure of the pressure plate can be adjusted by the pressure regulating valve and the pressure gauge;

During the test, the motor drives the sliding seat and the pressure sensor to move forward through the driving wheel, belt, synchronous wheel, screw, and screw nut in turn, so that the thimble passes through the through hole of the pressure plate to pierce the sole sample; when the thimble pierces the sole test When sampling, the size of the piercing force value is directly displayed on the control panel.

The front end of the thimble is provided with not less than three barbs. When the thimble pierces the sole sample, the value of the piercing force is directly displayed on the control panel, and the motor reverses and passes through the drive wheel, The belt, synchronous wheel, screw, and screw nut drive the sliding seat and the pressure sensor to move backward, so that the barb of the thimble hooks the front of the sole sample and pulls it backward. When the thimble breaks the sample through the barb, pull The size of the breaking force value is directly displayed through the control panel.

The beneficial effects of the present invention are as follows: the anti-puncture testing machine for safety shoes described in the present invention uses a cylinder to drive and clamp the sole sample, which is convenient and reliable for clamping, convenient for adjusting the test speed, and the test force value can be directly read out, and has the advantages of simple structure. Compact, convenient clamping, high test efficiency, scientific and reasonable test results.

Description of drawings

Accompanying drawing 1 is a structural representation of the present invention.

Accompanying drawing 2 is the internal structure schematic diagram of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings: as shown in Figure 1 and Figure 2, the anti-piercing testing machine for safety shoes of the present invention includes a body and a motor 2 installed in the body, a driving wheel 1, a synchronous Wheel 3, screw mandrel 4, screw nut 5, sliding seat 6, pressure sensor 7, thimble 8, pressure plate 9, cylinder 11 and fixture 10, the motor 2 drives and connects the driving wheel 1, and the driving wheel 1 is connected synchronously through a belt drive The wheel 3 and the synchronous wheel 3 are connected to the screw 4, the screw nut 5 is installed on the sliding seat 6, the screw 4 and the screw nut 5 are threaded, the pressure sensor 7 is installed on the sliding seat 6, and the thimble 8 is installed on the pressure sensor 7 The front end; the cylinder 11 is driven to connect the pressure plate 9, the pressure plate 9 cooperates with the clamp 10 to clamp the sole sample, the pressure plate 9 is provided with a through hole for the thimble 8 to pass through; the body is also equipped with a device for controlling the action of the cylinder 11 A button 14, a pressure regulating valve 12 and a pressure gauge 13 for adjusting the pressure of the cylinder 11, and a control panel 15 for setting the test speed, the maximum piercing force value and displaying the piercing force value.

Before the test, first set the test speed and the maximum puncture force value through the control panel 15, then press the button 14 to let the cylinder 11 eject the pressure plate 9, put the sole sample on the fixture 10, and then press the button 14, Make the pressure plate 9 fix the sample, and the pressure of the pressure plate 9 can be adjusted by the pressure regulating valve 12 and the pressure gauge 13; during the test, the motor 2 passes through the driving wheel 1, the belt, the synchronous wheel 3, the screw mandrel 4, and the screw mandrel in turn. The nut 5 drives the sliding seat 6 and the pressure sensor 7 to move forward, so that the thimble 8 passes through the through hole of the pressure plate 9 to pierce the sole sample; display.

As a preferred embodiment, the anti-piercing testing machine for safety shoes of the present invention can also be used for the anti-pull test of the sole sample. The front end of the thimble 8 is provided with no less than three barbs to facilitate anti-pull Hook the front of the sole sample at the same time, when the thimble 8 pierces the sole sample, after the size of the piercing force value is directly displayed through the control panel 15, the motor 2 reverses and passes through the driving wheel 1, the belt, the synchronous wheel 3, The screw 4 and the screw nut 5 drive the sliding seat 6 and the pressure sensor 7 to move backward, so that the barb of the thimble 8 hooks the front of the sole sample and pulls it backward. When the thimble 8 breaks the sample of the sole through the barb, The value of the tearing force is directly displayed through the control panel 15, which meets special testing requirements.

The above is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims (2)

1. safety shoe is anti-pierces through testing machine, it is characterized in that: it comprises body and is installed on the motor (2) in body, driving wheel (1), synchronizing wheel (3), screw mandrel (4), feed screw nut (5), sliding seat (6), pressure sensor (7), thimble (8), pressing plate (9), cylinder (11) and fixture (10), described motor (2) drives and connects driving wheel (1), driving wheel (1) connects synchronizing wheel (3) by belt drives, synchronizing wheel (3) connection wire rod (4), described feed screw nut (5) is installed on sliding seat (6), screw mandrel (4) is threaded with feed screw nut (5), pressure sensor (7) is installed on sliding seat (6), thimble (8) is installed on pressure sensor (7) front end, described cylinder (11) drives and connects described pressing plate (9), and pressing plate (9) coordinates sandwiched sole sample with fixture (10), and pressing plate (9) offers the through hole passed for thimble (8), described body is also provided with the button (14) for control cylinder (11) action, the pressure regulator valve (12) for adjusting cylinders (11) pressure and Pressure gauge (13), and for setting test speed, maximumly piercing through the control panel (15) that force value is pierced through in force value and display,

Before test, first by control panel (15) setting test speed with maximumly pierce through force value, then cylinder (11) is allowed to be ejected by pressing plate (9) by button press (14), sole sample is put on fixture (10), button press (14) again, sample is fixed by pressing plate (9), and the pressure size of the pressing plate (9) regulated by pressure regulator valve (12) and Pressure gauge (13);

During test, motor (2) drives the reach of sliding seat (6), pressure sensor (7) through driving wheel (1), belt, synchronizing wheel (3), screw mandrel (4), feed screw nut (5) successively, makes thimble (8) stab sole sample through the through hole of pressing plate (9); When thimble (8) transpierce shoe bottom sample, the size piercing through force value is directly shown by control panel (15).

2. safety shoe according to claim 1 is anti-pierces through testing machine, it is characterized in that: the front end of described thimble (8) is provided with the hangnail that quantity is no less than three, when thimble (8) transpierce shoe bottom sample, after the size piercing through force value is directly shown by control panel (15), motor (2) reversion is also successively through driving wheel (1), belt, synchronizing wheel (3), screw mandrel (4), feed screw nut (5) drives sliding seat (6), pressure sensor moves after (7), the hangnail of thimble (8) is made to hook the front of sole sample also toward post-tensioning, after thimble (8) pulls open sole sample by hangnail, the size of pulling open force value is directly shown by control panel (15).