CN206488875U - A tester for clamping force and pulling force of pen case - Google Patents

Abstract

The utility model discloses a pen cap clamping force and tension tester, including a control box and a fixed plate, the fixed plate is provided with a slideway connected to the control box, the slideway is connected with a slider, the upper end of the slider is connected with a sample pen fixture, the fixed plate is provided with a fixture matched with the sample pen fixture, the lower end of the slider is connected with a connecting block, the connecting block is connected with a driving motor connected to a controller through a screw and a guide rod, the screw is also connected with a displacement encoder, the outer side of the slideway is provided with a stroke setting adjustment mechanism parallel to the slideway, the stroke setting adjustment mechanism includes a fixed bracket and a stroke stopper and a stroke setting ring for limiting the slider arranged on the fixed bracket. The utility model has a novel structure, overcomes the error influence of traditional artificial factors through the ingenious design and coordination of structures such as motors, fixtures and slideways, the test process is stable and reliable, the clamping force and tension can be tested after the fixture is replaced, the test accuracy and precision are high, and the adaptability is strong.

Description

A tester for clamping force and pulling force of pen case

technical field

The utility model relates to the technical field of testing equipment, in particular to a tester for clamping force and pulling force of a pen case.

Background technique

At present, in the pen industry, the test of the tension of the pen cap and the clamping force of the pen clip on the pen cap have been written into the industry standard, but there are few test equipment for testing the clamping force and tension. There are many factors, the relative moving speed of the standard insert is unstable, and the measurement error is large, and because the fixture cannot be adjusted, when measuring different pen cards, the standard insert will deviate from the original central axis, resulting in low measurement accuracy. Due to the limitation of the structure , which determines that the sampling accuracy of the measured force is not high, which distorts the measurement results. In addition, the measurement accuracy of pens with different specifications is not high. Therefore, it is really necessary to research and develop a pen cover clamping force and tensile testing device that can overcome the above-mentioned shortcomings.

Utility model content

The purpose of this utility model is to provide a pen case clamping force and tension tester for the deficiencies of the prior art. The error influence, the test process is stable and reliable, the clamping force and pulling force can be tested after changing the fixture, the test accuracy and precision are high, and the adaptability is strong.

In order to achieve the above object, the technical scheme provided by the utility model is:

A pen holder clamping force and tensile tester, including a control box and a fixed plate arranged on the upper surface of the control box, the fixed plate is provided with a chute connected to the control box, and the chute is connected with a sliding block, the upper end of the slider is placed above the fixed plate and connected to the sample pen fixture, one side of the fixed plate is provided with a jig that matches the sample pen fixture, and the slider’s The lower end is placed inside the control box and connected with a connecting block. The connecting block is covered with a screw and a guide rod. One end of the screw is connected with a drive motor and a displacement encoder. The drive motor is electrically connected to a The controller placed on the inner side of the control box, the outside of the chute is provided with a stroke setting adjustment mechanism parallel to the chute, and the stroke setting adjustment mechanism includes a fixed bracket and a A stroke stopper and a stroke setting ring for limiting the slider.

Preferably, the fixture is connected to the fixed plate through the first fixing seat, and the fixture is used for inserting between the pen ball of the sample pen cap and the pen clip of the pen cap when testing the clamping force of the pen clip on the pen cap The inserting piece is parallel to the fixing plate, and a force sensor is also arranged between the inserting piece and the first fixing seat.

Preferably, the bottom of the control box is provided with leveling feet.

Preferably, the control box is provided with a control panel connected with the controller.

Preferably, the screw rod and the guide rod are connected with the control box through the second fixing seat.

Compared with the prior art, the beneficial effects of the utility model are:

The pen holder clamping force and tension tester provided by the utility model overcomes the error influence of traditional artificial factors through the ingenious design and cooperation of structures such as motors, fixtures and chutes, and the test process is stable and reliable. The size and the test object can be replaced with jigs, etc., and the clamping force and pulling force can be tested after changing the jig. It has various functions and high testing accuracy and precision. It provides an adaptable pen holder clamping force and pulling force testing instrument for the pen industry.

Below in conjunction with accompanying drawing and embodiment, the utility model is further described.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model when testing the clamping force of the pen cover;

Fig. 2 is a partial structural schematic diagram of Fig. 1;

Fig. 3 is a schematic diagram of the structure of the fixture and the jig part when testing the pulling force of the pen case of the present invention.

detailed description

A pen holder clamping force and tensile tester provided in this implementation, combined with Figure 1-3, includes a control box 1 and a fixed plate 2 arranged on the upper surface of the control box. The fixed plate is provided with a connection with the control box. The chute 3, the chute is connected with the slider 4, the upper end of the slider is placed above the fixed plate and connected with the sample pen fixture 5, and the sample pen fixture on the slider moves through the movement of the slider on the chute . One side of the fixed plate is provided with a fixture 6 that matches the fixture 5 of the sample pen 19. The fixture of the sample pen and the fixture can be replaced according to the object to be measured. When testing the clamping force of the pen cover, specific options The jigs and fixtures shown in Figure 1-2, when testing the tension of the pen cover, can specifically use the jigs and fixtures shown in Figure 3.

Wherein, the lower end of the slide block is placed inside the control box and is connected with a connecting block 7, the connecting block is covered with a screw rod 20 and a guide rod 8, the screw rod is connected with the control box through the second holder 9, and one end of the screw rod Connected with a drive motor 10 and a displacement encoder 22, the displacement encoder is used to sense the displacement signal, the drive motor is electrically connected to a controller 11 placed inside the control box, and the drive motor drives the screw to move so that the screw Drive the connecting block to move, and then drive the slider connected with the connecting block to move, so that the fixture 5 on the slider is away from or close to the jig 6 on the fixed plate, and part of the test work is completed. Wherein, the outside of the chute is provided with a stroke setting adjustment mechanism parallel to the chute, and the stroke setting adjustment mechanism includes a fixed bracket 12 and a stroke stopper 13 and a stroke stopper 13 arranged on the fixed bracket for limiting the slider. Setting ring 14; wherein, the bottom of the control box is provided with horizontal adjustment legs 17; the control box is provided with a control panel 18 connected to the controller; the jig is connected with the fixed plate through the first fixed seat 15, on the test pen cover When the clamping force of the pen holder is higher, the jig is an insertion piece 16 used to insert between the pen ball of the sample pen holder and the pen holder of the pen holder, and the insertion piece is set parallel to the fixed plate, and the movement of the slider drives the movement of the insertion piece, and the insertion piece A force sensor 21 is also provided between the sheet 16 and the first fixing seat 15 . When testing the tensile force of the pen cover, the structure of the sample pen holder 5 and the jig 6 should be replaced with the structure shown in Figure 3, and the other parts are exactly the same as the parts for testing the clamping force of the pen clip on the pen cover, so it is no longer cumbersome here .

The use process of the pen holder clamping force and pull force tester of this embodiment may include but not limited to:

(1) Test of the clamping force of the pen clip on the pen cap:

S1: Prepare the sample of the pen case and clip to be tested, turn on the power switch, connect the power, and insert the insert piece attached to the fixture between the pen case and the clip bead to a depth of (10±1)mm.

S2: Start the test button on the control panel, the motor moves and drives the sample fixture on the slider to move towards the fixture through the screw rod. When the sample fixture moves to a suitable position, adjust the height of the insert on the fixture so that It is on the same plane as the pen clamp on the pen cover, and then clamp the pen cover tightly.

S3: Select the required test speed and test mode according to the requirements of the test standard, and then press the test button to start the test. When the machine starts to run, the clip of the pen case will slowly detach from the insert, and the maximum force value measured at the same time is the pen. Clamping force.

(2) Tensile test of pen case:

S1: Prepare the sample, that is, a complete pen with a pen holder and a pen cover, and replace the jig and fixture used in the test of the clamping force of the pen clip with the one used to test the tension of the pen cover, as shown in Figure 3. .

S2: Turn on the power of the machine, turn on the power switch, and lock the pen cap and pen holder. There are two types of pen caps, the inner spring type and the locking type. For the locking type, directly insert the pen holder into the pen case by hand and lock it. , the method of inserting the inner spring type is to put the pen cover gently on the pen holder first, and put the pen cover on the fixed jig, move the clamp on the slider to the position close to the pen cover, and rotate the clamp on the slider to make the pen cover Insert into barrel and lock.

S3: After the pen case and the pen holder are locked, insert the part of the pen holder into the jig and lock it, insert the part of the pen case into the sample fixture on the slider and lock it, select the required test speed and test according to the standard requirements mode, press the test button to start the test, when the machine is running, the maximum force value measured when the pen cover is separated from the pen holder is the pulling force of the pen cover.

After the test is completed, remove the sample, and repeat the above steps if other samples need to be tested; if the test is over, turn off the power of the machine.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model.

Claims (5)

1. a kind of pen cover clamping force and tensile tester, it is characterized in that, comprise control box body and be located at the fixed plate of control box body upper surface, described fixed plate is provided with the chute that is connected with control box body, so The chute is connected with a slider, the upper end of the slider is placed above the fixed plate and connected to the sample pen fixture, and one side end of the fixed plate is provided with a jig that matches the sample pen fixture , the lower end of the slider is placed inside the control box and connected to a connecting block, the connecting block is covered with a screw and a guide rod, one end of the screw is connected to a drive motor and a displacement encoder, the The driving motor is connected with a controller placed on one side of the control box, and the outside of the chute is provided with a stroke setting adjustment mechanism parallel to the chute, and the stroke setting adjustment mechanism includes a fixed bracket and a A stroke stopper and a stroke setting ring for limiting the slider on the fixed bracket. 2. The pen holder clamping force and tension tester as claimed in claim 1, wherein the fixture is connected with the fixed plate through the first fixing seat, and when the pen holder clamping force on the test pen cover is tested, the The jig is an insertion piece for inserting between the pen ball of the sample pen holder and the pen holder of the pen holder, and the insertion piece is parallel to the fixing plate, and a force sensor is also arranged between the insertion piece and the first fixing seat. 3. The tester for clamping force and pulling force of a pen cover according to claim 1, wherein the bottom of the control box is provided with horizontal adjustment feet. 4. The tester for clamping force and pulling force of a pen cover according to claim 1, wherein a control panel connected with the controller is provided on the control box. 5. The tester for clamping force and tensile force of a pen case according to claim 1, characterized in that, both the screw rod and the guide rod are connected to the control box through the second fixing seat.