CN210893848U - cutting tooling - Google Patents

Abstract

The utility model provides a cutting tool, which is used for the positioning of peeling strength test samples, and comprises a clamping module, wherein the clamping module comprises an upper die provided with a plurality of mutually parallel knife grooves, and a cutting tool provided with accommodating test samples. The lower mold of the positioning groove, and the connecting assembly connecting the upper mold and the lower mold, the connecting assembly has a rotating mechanism that enables the upper mold to be rotatably opened and closed on the lower mold, and is used to adjust the upper mold. The adjustment mechanism of the vertical distance between the upper and lower molds, the above-mentioned technical scheme makes the test sample firmly and stably clamped between the upper mold and the lower mold through the cooperation of the connecting components between the upper mold and the lower mold, which is convenient for cutting, On the other hand, the vertical distance between the upper mold and the lower mold can be adjusted, which is suitable for test samples of multiple specifications.

Description

cutting tooling

technical field

The utility model relates to the technical field of solar cells, in particular to a cutting tool used for positioning a peel strength test sample.

Background technique

At present, many materials need to do peel strength test to determine the maximum load per unit width required to separate the two adherends of the bonded part under the specified peeling conditions. Among them, the peel strength test of the back sheet and the adhesive film, the adhesive film and the glass in the photovoltaic industry materials is an important performance indicator to evaluate the quality of the back sheet and the adhesive film. Before the peel strength test, it is necessary to cut out the accurate size detection strip .

In the Chinese patent 202661306U, the processed sample is clamped by a metal plate and a plastic bottom plate connected by hinges, and a long strip for peel strength test is drawn along the parallel grooves on the metal plate.

However, the heights of the processed samples are different, and the height cannot be adjusted through the hinge connection, so that the bottom-up plastic bottom plate, the processed samples, and the metal plates cannot be positioned together with each other, and even the processed samples will be crushed.

Utility model content

In order to solve the above technical problems, the utility model proposes a cutting tool for positioning the peel strength test sample.

In order to achieve the above purpose, the technical solution provided by the present utility model is as follows: a cutting tool for positioning the peel strength test sample, the cutting tool includes a clamping module, and the clamping module includes:

The upper mold is provided with a number of parallel knife grooves;

The lower mold is provided with a positioning groove for accommodating the test sample;

The connecting assembly connects the upper mold and the lower mold, and has a rotating mechanism for the upper mold to be rotatably opened and closed on the lower mold, and an adjustment mechanism for adjusting the vertical distance between the upper mold and the lower mold. .

As a further improvement of the present invention, the adjusting mechanism includes a telescopic frame fixed on the lower mold, a shaft hole opened on the telescopic frame, and the rotating mechanism includes a rotating shaft passing through the shaft hole, The rotating shaft is fixedly connected with the upper mold.

As a further improvement of the present invention, the adjustment mechanism further includes a first micro-cylinder embedded in the lower mold to drive the telescopic frame to move, and the cutting tool further includes a connection with the first micro-cylinder Electrically connected control module.

As a further improvement of the present invention, the bottom surface of the positioning groove is further provided with a first sensor for sensing the height of the test sample, and the first sensor is electrically connected to the control module.

As a further improvement of the present invention, the rotating mechanism further includes a motor fixed on the upper die to drive the rotation shaft to rotate, and the cutting tool further includes a control module electrically connected to the motor.

As a further improvement of the present invention, the cutting tool further includes a positioning module arranged in the positioning groove, the positioning module includes at least two positioning mechanisms, and the positioning mechanism has a movable clamping block to The sides of the test sample are compressed or loosened.

As a further improvement of the present invention, the positioning mechanism further includes a second micro-cylinder, the cutting tool includes a control module electrically connected to the second micro-cylinder, and the second micro-cylinder has a The second cylinder on the outer sidewall of the lower mold, the inner sidewall of the positioning groove is provided with a channel that communicates with the outside world and is parallel to the axial direction of the second cylinder, the second micro cylinder also has a second piston rod, and One end of the second piston rod is connected to the second cylinder through the passage, and the other end is connected to the clamping block to drive the clamping block to move.

As a further improvement of the present invention, the positioning module further includes a second sensor disposed on the clamping block to sense the distance between the clamping block and the test sample, the second sensor and the control module Electrical connection; the side of the clamping block close to the test sample has a buffer pad.

As a further improvement of the present invention, the distance between any adjacent sipes is 10mm; the cross-section of the sipes is an inverted trapezoid, and the width of the upper side of the sipe is 1mm, and the width of the lower side is 0.5 mm mm.

As a further improvement of the present invention, the bottom surface of the positioning groove is provided with a one-to-one scribed groove corresponding to the knife groove, and the depth of each of the scribed grooves is 5 mm to 10 mm; the bottom surface of the positioning groove also has at least two A vacuum suction groove is set between two adjacent scribe grooves.

The beneficial effects of the present utility model are: the cutting tool of the present utility model, through the cooperation of the connecting components between the upper die and the lower die, on the one hand, makes the test sample firmly and stably clamped between the upper die and the lower die, It is convenient for cutting, and on the other hand, the vertical distance between the upper mold and the lower mold can be adjusted, which is suitable for test samples of multiple specifications.

Description of drawings

The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the attached image:

Fig. 1 is the schematic diagram of the cutting tool of the present utility model;

Fig. 2 is a schematic view of enlarged structure at A place in Fig. 1;

Fig. 3 is the enlarged structural schematic diagram at B in Fig. 1;

Fig. 4 is the rear view of the utility model when the upper mold is closed on the lower mold;

Fig. 5 is the top view of the upper mold in the utility model;

Figure 6 is a cross-sectional view along the line A-A' in Figure 4;

Among them, 100——cutting tool, 1——upper die, 11——knife groove, 2——lower die, 21——positioning groove, 22——slotting groove, 23——vacuum suction groove, 24——the first One sensor, 3—connection assembly, 31—adjustment mechanism, 311—telescopic frame, 312—first micro cylinder, 3121—first cylinder block, 3122—first piston rod, 313—shaft hole , 32 - rotating mechanism, 321 - rotating shaft, 4 - positioning mechanism, 41 - clamping block, 42 - second micro cylinder, 421 - second cylinder block, 422 - second piston rod, 43 - second sensor, 44 - cushion.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

As shown in FIGS. 1 to 6 , a cutting tool 100 of the present invention is shown. The cutting tool 100 includes a clamping module for holding the test sample, a positioning module for fixing the position of the test sample, and the The control module in which the clamping module and the positioning module are both electrically connected can realize the positioning of the peel strength test sample.

In the specific embodiment of the new use model, the cutting device is suitable for but not limited to the peel strength test between EVA and the back sheet, the peel strength test between EVA and glass, the chemical name of EVA is ethylene/vinyl acetate copolymer, It plays the role of bonding and positioning each raw material when the component is packaged.

The clamping module includes an upper mold 1, a lower mold 2, and a connecting assembly 3 connecting the upper mold 1 and the lower mold 2. As shown in FIG. 2 and FIG. 4, the connecting assembly 3 has an adjustment for matching settings. The mechanism 31 and the rotating mechanism 32 can make the upper mold 1 rotatably open and close on the lower mold 2 and be fixed on the lower mold 2 , and can adjust the vertical distance between the upper mold 1 and the lower mold 2 .

The adjustment mechanism 31 includes a telescopic frame 311 fixed on the lower mold 2, so that the vertical distance between the upper mold 1 and the lower mold 2 can be adjusted. The shaft hole 313 on the telescopic frame 311, the rotating mechanism 32 includes a rotating shaft 321 passing through the shaft hole 313, the rotating shaft 321 is fixedly connected with the upper mold 1, so that the upper mold 1 can be rotatably opened and closed The lower mold 2 is used to clamp the test sample when the upper mold 1 and the lower mold 2 are closed.

Further, the adjustment mechanism 31 further includes a first micro cylinder 312 embedded in the lower mold 2 to drive the telescopic frame 311 to move, and the control module is electrically connected to the first micro cylinder 312 , to control the start and stop of the first micro cylinder 312 to control the movement of the telescopic frame 311 .

Specifically, as shown in FIG. 3 , the first micro cylinder 312 includes a first cylinder block 3121 embedded in the lower mold 2 , and a first piston rod 3122 connected to the first cylinder block 3121 . The side of the first piston rod 3122 away from the first cylinder 3121 is connected to the telescopic frame 311, and the movement of the first piston rod 3122 drives the telescopic frame 311 to move, so that the upper mold can be automatically adjusted 1 and the vertical distance between the lower mold 2, to avoid the test sample being crushed or self-displacement.

As shown in FIG. 1 , the bottom surface of the positioning groove 21 is further provided with a first sensor 24 for sensing the height of the test sample. The first sensor 24 is electrically connected to the control module. After sensing the height of the placed test sample, a signal is sent to the control module, thereby controlling the first piston rod 3122 of the first micro cylinder 312 to drive the telescopic frame 311 to move, and to adjust the upper mold 1 and the lower The vertical spacing of the molds 2 makes the upper mold 1 and the lower mold 2 completely clamp the test sample.

The rotating mechanism 32 also includes a motor fixed on the upper mold 1 to drive the rotation shaft 321 to rotate. The control module is electrically connected to the motor to control the upper mold 1 to automatically rotate and open and close. The lower mold 2.

In the specific embodiment of the present invention, the upper mold 1 is provided with a number of parallel knife grooves 11. Specifically, the distance between any adjacent knife grooves 11 is 10 mm, so that the detection of the cutting test sample can be obtained. The bar width is uniform.

Preferably, as shown in FIG. 5 and FIG. 6 , the cross section of the kerf 11 is an inverted trapezoid, and the width of the upper side of the kerf 11 is 1 mm, and the width of the lower side is 0.5 mm, so as to guide the cutting process. Therefore, the size of the test strip obtained by cutting is more accurate.

The lower mold 2 is provided with a positioning groove 21 for accommodating the test sample, and the bottom surface of the positioning groove 21 is provided with a one-to-one correspondence with the cutting grooves 11. The depth of each of the cutting grooves 22 is 5mm~5mm. 10mm, to ensure that the test sample can be scratched through when cutting.

Further, the bottom surface of the positioning groove 21 also has at least two vacuum suction grooves 23 arranged between two adjacent scribe grooves 22 for adsorbing the test sample so that it is not easy to loosen. The suction slot 23 is electrically connected to absorb the test sample when it needs to be absorbed.

As shown in FIG. 1 and FIG. 3 , the positioning module is set in the positioning groove 21 and includes at least two positioning mechanisms 4 , and the positioning mechanisms 4 have movable clamping blocks 41 to press the side of the test sample. Tighten or loosen, so as to achieve firm and stable positioning of the test sample, which is more convenient for cutting.

Preferably, as shown in FIG. 3 , the side of the clamping block 41 close to the test sample has a buffer pad 44 to prevent damage to the test sample during the clamping and positioning process and ensure the accuracy of the peel strength test results.

In a specific embodiment of the present invention, as shown in FIG. 3 , the positioning mechanism 4 further includes a second micro cylinder 42 , and the control module is electrically connected with the second micro cylinder 42 to control the clamping The block 41 is moved to compress or loosen the test sample. Here, in the selection of the micro cylinder, the cylinder diameter can be selected in the range of 30mm to 60mm, and the stroke corresponds to the range of 140mm to 160mm, so it is suitable for test samples of various sizes. .

Specifically, the second micro cylinder 42 has a second cylinder block 421 fixed on the outer side wall of the lower mold 2 , and the inner side wall of the positioning groove 21 is provided with a connection to the outside and parallel to the second cylinder block 421 An axial channel, the second micro cylinder 42 also has a second piston rod 422, and one end of the second piston rod 422 is connected to the second cylinder 421 through the channel, and the other end is connected to the The clamping block 41 drives the clamping block 41 to move through the movement of the second piston rod 422 , so as to realize the clamping or loosening of the test sample by the clamping block 41 .

As shown in FIG. 3 , the positioning module further includes a second sensor 43 arranged on the clamping block 41 to sense the distance between the clamping block 41 and the test sample. The second sensor 43 is connected to the The control module is electrically connected, and when the clamping block 41 is driven by the second piston rod 422 of the second micro cylinder 42 to move towards the test sample to exactly fit with it, the first sensor 24 sends a signal to the test sample. The control module is used to control the second piston rod 422 of the second micro cylinder 42 to stop moving to maintain the state of clamping the test sample, so that the test sample is positioned.

Specifically, when positioning the cut test sample, the upper mold 1 is rotated and opened so that the test sample is placed in the positioning groove 21, and the second micro cylinder 42 drives the clamping block 41 to the test sample. Positioning is carried out, the vacuum suction groove 23 adsorbs the test sample, and then the first micro cylinder 312 drives the telescopic frame 311 to adjust the vertical distance between the upper mold 1 and the lower mold 2, and the upper mold 1 is rotated and closed so that the test sample is Clamping is fixed, and the operator can use a utility knife or other cutting tool to cut along the knife groove 11 to realize the cutting of the test sample.

Through the control cooperation between the control module, the clamping module and the positioning module, the positioning and clamping operations of the test sample are simpler and more accurate, thereby facilitating more accurate cutting.

To sum up, the cutting tool 100 of the present invention, through the mutual cooperation between the clamping module, the positioning module and the control module, on the one hand, makes the test sample firmly and stably clamped to the upper mold 1 and the lower mold 2 It is convenient for cutting, and on the other hand, the vertical distance between the upper mold 1 and the lower mold 2 can be adjusted, which is suitable for test samples of multiple specifications.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the present utility model, several modifications and improvements can be made. It belongs to the protection scope of the present invention.

Claims (10)

1. The utility model provides a cut frock for peel strength test sample's location, its characterized in that, cut the frock and include the centre gripping module, the centre gripping module includes:

the upper die is provided with a plurality of cutter grooves which are parallel to each other;

the lower die is provided with a positioning groove for accommodating a test sample;

and the connecting assembly is connected with the upper die and the lower die and is provided with a rotating mechanism for enabling the upper die to be rotatably opened and closed and fixed on the lower die and an adjusting mechanism for adjusting the vertical distance between the upper die and the lower die.

2. The cutting tool according to claim 1, wherein the adjusting mechanism comprises a telescopic frame fixed on the lower die and a shaft hole formed in the telescopic frame, the rotating mechanism comprises a rotating shaft penetrating through the shaft hole, and the rotating shaft is fixedly connected with the upper die.

3. The cutting tool according to claim 2, wherein the adjusting mechanism further comprises a first micro cylinder embedded in the lower die for driving the expansion bracket to move, and the cutting tool further comprises a control module electrically connected with the first micro cylinder.

4. The cutting tool according to claim 3, wherein a first sensor for sensing the height of the test sample is further arranged on the bottom surface of the positioning groove, and the first sensor is electrically connected with the control module.

5. The cutting tool according to claim 2, wherein the rotating mechanism further comprises a motor fixed on the upper die and used for driving the rotating shaft to rotate, and the cutting tool further comprises a control module electrically connected with the motor.

6. The cutting tool according to claim 1, further comprising a positioning module disposed in the positioning slot, the positioning module comprising at least two positioning mechanisms having movable clamping blocks to compress or release the sides of the test sample.

7. The cutting tool according to claim 6, wherein the positioning mechanism further comprises a second micro cylinder, the cutting tool comprises a control module electrically connected with the second micro cylinder, the second micro cylinder is provided with a second cylinder body fixed on the outer side wall of the lower die, a channel communicated with the outside and parallel to the axial direction of the second cylinder body is formed in the inner side wall of the positioning groove, the second micro cylinder is further provided with a second piston rod, one end of the second piston rod penetrates through the channel to be connected to the second cylinder body, and the other end of the second piston rod is connected to the clamping block to drive the clamping block to move.

8. The cutting tool according to claim 7, wherein the positioning module further comprises a second sensor arranged on the clamping block to sense the distance between the clamping block and the test sample, and the second sensor is electrically connected with the control module; the clamping block is provided with a buffer pad on one side close to the test sample.

9. The cutting tool according to claim 1, wherein the distance between any two adjacent cutter grooves is 10 mm; the cross section of the cutter groove is in an inverted trapezoid shape, the width of the upper side of the cutter groove is 1mm, and the width of the lower side of the cutter groove is 0.5 mm.

10. The cutting tool according to claim 1, wherein the bottom surface of the positioning groove is provided with scribing grooves corresponding to the cutter grooves one by one, and the depth of each scribing groove is 5 mm-10 mm; the bottom surface of the positioning groove is also provided with at least two vacuum suction grooves arranged between two adjacent scratching grooves.

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