CN103287804B - Automatic feeding device and method for low-temperature test samples - Google Patents

Abstract

The present invention discloses an automatic feeding device and feeding method for low-temperature test samples, which improves the accuracy and reliability of low-temperature testing, improves work efficiency and saves labor. The present invention comprises a machine base, a digital impact tester is provided on one side of the machine base, a low-temperature box is provided on the other side of the machine base, a transmission mechanism is provided between the low-temperature box and the digital impact tester, a bracket seat is provided at each end of the transmission mechanism, a connecting rod is provided between the two bracket seats, and a sliding seat is provided on the connecting rod. The present invention shortens the exposure time of the test sample to normal temperature, so that the position of the test sample installed on the impact tester is accurate.

Description

An automatic feeding device and feeding method for low temperature test samples

technical field

The invention relates to an impact testing machine, in particular to a positioning device and method in the low-temperature automatic feeding process of the punch impact testing machine.

Background technique

When the existing punch impact testing machine does the low temperature test, it usually adopts a manual method, that is, the test sample after freezing is taken out from the low temperature box with the test sample fixture, placed on the test stand, and then the impact test is performed. This method is labor-intensive for batch tests, and the time it takes to manually take test samples and send them to the test socket is difficult to guarantee, and the consistency of the placement accuracy is poor, resulting in inaccurate test data.

Contents of the invention

The purpose of the present invention is to solve the deficiencies in the prior art, provide an automatic feeding device and feeding method for low-temperature test samples, improve the accuracy and reliability of low-temperature testing, improve the automation of the test process, and improve Improve work efficiency and save labor.

In order to achieve the above purpose, the present invention discloses an automatic feeding device for low temperature test samples, which is realized through the following technical solutions:

An automatic feeding device for low-temperature test samples, including an organic base, a digital impact testing machine is installed on one side of the base, a low-temperature box is installed on the other side of the machine base, and a transmission is provided between the low-temperature box and the digital impact testing machine. Mechanism, the transmission mechanism is located in the middle of the machine base, a support seat is provided at both ends of the transmission mechanism, a connecting rod is provided between the two support seats, a sliding seat is provided on the connecting rod, a second cylinder is arranged in the sliding seat, and the second cylinder A support is provided at the end of the piston rod, one end of the support is connected to the second cylinder, the other end of the support is provided with a clamp, the clamp is connected to the first cylinder, a sliding mechanism is provided between the two support seats, and the sliding seat is connected to the sliding mechanism.

In some of the embodiments, the sliding seat is provided with a through sliding hole, and the sliding hole of the sliding seat is sleeved on the connecting rod.

In some of these embodiments, a discharge seat is provided on the side of the low temperature box close to the transmission mechanism, a test seat is provided on the side of the digital impact testing machine close to the transmission mechanism, a punch is provided on the digital impact testing machine, and the punch is located at the test above the seat.

In some of these embodiments, the sliding mechanism is a double-acting cylinder, the cylindrical cylinder of the double-acting cylinder is arranged between the two bracket seats, the cylindrical cylinder is parallel to the connecting rod, and the piston rod of the double-acting cylinder of the sliding mechanism is connected slider.

In some of the embodiments, the sliding mechanism is a screw sliding mechanism, the screw of the screw sliding mechanism is arranged between two support seats, the screw is parallel to the connecting rod, and the sliding seat is provided with a screw hole matching the screw.

A kind of feeding method of automatic feeding device for low temperature test sample, its method is as follows:

The test samples frozen in the low temperature box are pushed to the discharge seat;

The sliding mechanism moves the slide seat to the discharge seat, and the second cylinder in the slide seat lowers the support, and drives the fixture down through the support, so that the fixture on the support reaches the sample to be tested on the discharge seat, and the first cylinder works to push the fixture Clamp the test sample, and then the second cylinder works to lift the test sample;

The sliding mechanism starts to move the sliding seat on the connecting rod, and drives the test sample to reach the top of the test seat;

The second cylinder drives the test sample down, the first cylinder works to release the test sample, and the frozen test sample is moved to the test seat of the digital impact testing machine by the transmission mechanism;

The punch on the digital impact testing machine hits the test sample, and the test sample automatically completes the notch impact test of the punch in turn to obtain the test data when the test sample is impacted.

The invention automates the low-temperature test process, saves labor costs, improves work efficiency, shortens the time for test samples to be exposed to normal temperature, and makes the position of test samples installed on the impact testing machine accurate; Each test sample can be tested automatically in sequence, which improves work efficiency and saves labor.

Description of drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic diagram of a conveying mechanism according to an embodiment of the present invention.

Fig. 3 is an enlarged view of part I in Fig. 1 .

The description of the reference numbers is as follows:

Transmission mechanism 100, bracket seat 102, connecting rod 104, sliding seat 105, first cylinder 106, second cylinder 107, sliding mechanism 108, bracket 109, machine base 200, low temperature box 202, digital impact testing machine 204, punch 205 , discharge seat 206, test seat 207.

detailed description

In order to further understand the features, technical means, specific objectives and functions achieved by the present invention, and to analyze the advantages and spirit of the present invention, a further understanding of the present invention can be obtained through the following detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments.

One side of the support 200 of the present invention is provided with a digital impact testing machine 204, the digital impact testing machine 204 is provided with a punch 205, and the punch 205 is used to punch the test sample to obtain the test data when the test sample is impacted. The other side of 200 is provided with a low-temperature box 202 , and a transmission mechanism 100 is provided between the low-temperature box 202 and the digital impact testing machine 204 , and the transmission mechanism 100 is located in the middle of the machine base 200 .

A discharge seat 206 is provided on the side of the low temperature box 202 close to the transmission mechanism 100, and the test samples frozen in the low temperature box 202 are pushed onto the discharge seat 206, and a test sample is provided on the side of the digital impact testing machine 204 close to the transmission mechanism 100. Seat 207, the test sample is moved to the test seat 207 of the digital impact testing machine 204 by the transmission mechanism 100, the punch 205 is located directly above the test seat 207, and receives the impact of the notch of the punch 205, the transmission mechanism 100 (automatic feeding device) Used in combination with the low temperature box 202, the test samples frozen by the low temperature box 202 can be accurately and quickly moved to the digital impact testing machine 204 for impact testing. The time for the test sample to be exposed to normal temperature is shortened, and the position of the test sample installed on the digital impact testing machine 204 is more accurate than manual placement, eliminating the influence of human factors, thereby making the impact test data more accurate.

The two ends of the transmission mechanism 100 are respectively provided with a bracket seat 102, and a connecting rod 104 is arranged between the two bracket seats 102. The sliding hole is set on the connecting rod 104, and the sliding seat 105 is provided with a vertical second cylinder 107, and the end of the piston rod of the second cylinder 107 is provided with a horizontal support 109, and the second cylinder 107 is used for lifting the support 109 up and down. One end of 109 is connected to the second cylinder 107, the other end of the bracket 109 is connected to the first cylinder 106, the first cylinder 106 is connected to the fixture, and the first cylinder 106 pushes the fixture for clamping the test sample; a sliding mechanism is provided between the two bracket seats 102 108 , the sliding seat 105 is connected with the sliding mechanism 108 .

Specifically, the sliding seat 105 is nested on the sliding mechanism 108, and the sliding mechanism 108 moves the sliding seat 105 to reach the discharge seat 206, and the second cylinder 107 drives the first cylinder 106 to descend through the support 109, so that the gripper reaches the discharge seat 206. The two sides of the sample to be tested, at this time, the first cylinder 106 works, and the push fixture is used to clamp the test sample, and then the second cylinder 107 works to lift the test sample, and then the sliding mechanism 108 is started, so that the slide seat 105 is on the connecting rod. Move up to drive the test sample to reach the top of the test seat 207;

The second cylinder 107 drives the test sample down, the first cylinder 106 works to loosen the test sample, and the test sample is placed on the test seat 207; the combination of the automatic feeding device (transmission mechanism 100) and the low temperature box 202, the automatic feeding device The frozen test samples are moved to the test seat 207 of the digital impact testing machine 204, and several test samples can be frozen and impacted in batches, and the test samples are automatically tested in turn, which improves work efficiency and saves labor.

The feeding method of the automatic feeding device of the present invention is as follows:

The test sample frozen in the low temperature box 202 is pushed onto the discharge seat 206;

The sliding mechanism 108 moves the sliding seat 105 to the discharge seat 206, and the second cylinder 107 in the slide seat 105 lowers the support 109, and the support 109 drives the clamp to descend, so that the clamp on the support 109 reaches the sample to be tested on the discharge seat 206 Beside, the first cylinder 106 works to push the clamp to clamp the test sample, and then the second cylinder 107 works to lift the test sample;

The sliding mechanism 108 is started, so that the sliding seat 105 moves on the connecting rod 104, and drives the test sample to reach the top of the test seat 207;

The second cylinder 107 drives the test sample to descend, the first cylinder 106 works to loosen the test sample, and the frozen test sample is moved to the test seat 207 of the digital impact testing machine 204 by the transmission mechanism 100;

The punch 205 on the digital impact testing machine 204 hits the test sample, and the test sample automatically completes the notch impact test of the punch 205 in turn, and the test data when the test sample is impacted is obtained.

In the first embodiment, the sliding mechanism 108 adopts a double-acting cylinder (the third cylinder), which alternately supplies air from both sides of the piston, so that the piston makes a linear reciprocating motion in the cylindrical cylinder barrel, and the cylindrical cylinder barrel of the cylinder cylinder is arranged on two brackets. Between the seats 102, the cylindrical barrel of the cylinder is parallel to the connecting rod 104, and the piston rod of the sliding mechanism 108 is connected to the sliding seat 105. Movement between seats 102.

In another embodiment, the sliding mechanism 108 adopts a screw sliding mechanism, the screw is arranged between the two bracket seats 102, driven by a motor to rotate, the screw is parallel to the connecting rod 104, and the sliding seat 105 is provided with a screw hole matching the screw, Through the rotation of the screw, push the sliding seat 105 to move back and forth along the screw, so that the sliding seat 105 moves between the two support seats 102; push out the frozen test sample from the cryogenic box 202 to the discharge seat 206, and automatically load the The device (transmission mechanism 100) moves to the test seat 207 of the digital impact testing machine 204, and the test samples frozen in the low temperature box 202 are quickly subjected to the impact test to make the test data more accurate.

The low temperature box 202 freezes the test sample, pushes out the frozen test sample from the low temperature box 202, and the transfer mechanism 100 (automatic feeding device) moves the frozen test sample to the digital impact testing machine 204, and the first cylinder of the transfer mechanism 100 106 pushing fixture is used for clamping test sample, and the second air cylinder 107 of transmission mechanism 100 is used for lifting test sample up and down, and sliding mechanism 108 (third air cylinder, screw sliding mechanism) is used for moving test sample back and forth on connecting rod 104.

In the present invention, through the combined use of the automatic feeding device and the low temperature box 202, the test samples frozen by the low temperature box 202 can be accurately and quickly moved to the digital impact testing machine 204 for impact testing; Time, so that the position of the test sample installed on the impact testing machine is accurate; several test samples can be frozen and impacted in batches, and the test samples are automatically tested in turn, which improves work efficiency and saves labor.

The above-mentioned embodiments only express some implementations of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims (4)

1. a low-temperature test sample automatic charging device, comprise: support, one side of described support is provided with numerical digit shock machine, an other side of described support is provided with cryogenic box, it is characterized in that, between described cryogenic box and numerical digit shock machine, be provided with connecting gear, described connecting gear is positioned at support middle part, the two ends of described connecting gear are respectively provided with a carrier base, between two stands seat, be provided with connecting rod, described connecting rod is provided with slide, in described slide, be provided with the second cylinder, described the second cylinder piston boom end is provided with support, one end of described support connects the second cylinder, the other end of described support is provided with fixture, described fixture connects the first cylinder, between two stands seat, be provided with slide mechanism, described slide connects slide mechanism,

Described slide is provided with the slide opening running through, and the slide opening of described slide is nested with on described connecting rod;

On described cryogenic box, be provided with discharging seat near described connecting gear one side, on described numerical digit shock machine, be provided with test bench near described connecting gear one side, described numerical digit shock machine is provided with drift, and described drift is positioned at described test bench top.

2. a kind of low-temperature test sample automatic charging device according to claim 1, it is characterized in that, described slide mechanism is double-acting cylinder, the tubular cylinder barrel of described double-acting cylinder is located between two stands seat, described tubular cylinder barrel is parallel with described connecting rod, and the piston rod of described slide mechanism double-acting cylinder connects described slide.

3. a kind of low-temperature test sample automatic charging device according to claim 1, it is characterized in that, described slide mechanism is screw rod slide mechanism, the screw rod of described screw rod slide mechanism is located between two stands seat, described screw rod is parallel with described connecting rod, and described slide is provided with the screw mating with screw rod.

4. claim 1, to the charging method of the low-temperature test sample described in claim 3 any one with automatic charging device, is characterized in that:

Test sample after freezing in cryogenic box is pushed on discharging seat;

Slide mechanism moving sliding base arrives on discharging seat, the second cylinder decline support in slide, drive fixture to decline by support, fixture on support is arrived by the sample to be tested on discharging seat, the first cylinder operation, push clamp test sample, then the second cylinder operation, promotes test sample;

Slide mechanism starts, and slide is moved on connecting rod, drives test sample to arrive test bench top;

The second cylinder drives test sample to decline, and the first cylinder operation is unclamped test sample, and the test sample after freezing is transmitted on the test bench that mechanism moves to numerical digit shock machine;

Test sample is pounded in the punching of drift on numerical digit shock machine, and test sample completes the recess shock-testing of accepting drift successively automatically, the test data when obtaining testing sample and being hit.