CN108398308A - Fibre reinforced composites compress sample end face processing device and method - Google Patents

Abstract

The invention provides a device and method for treating the end surface of a fiber-reinforced composite material compression sample, and relates to the technical field of composite material performance testing equipment, including a base, a clamping mechanism, a grinding head and a driving mechanism; the clamping mechanism is located on the base, and the For the clamping and positioning of the compressed sample; the grinding head and the driving mechanism are located on the base, and the grinding head is opposite to the clamping mechanism, and the grinding surface of the grinding head is in line with the axis of the compressed sample clamped in the clamping mechanism Vertical; the driving mechanism is connected with the grinding head, and is used to drive the grinding head to grind the end face of the compressed sample. The invention can accurately locate the compression sample, and the long axis of the sample will not deviate when the two ends of the same sample are respectively positioned, and the end face of the sample is polished by grinding perpendicular to the positioning axis, which can ensure The parallelism of the two end faces and the perpendicularity between the end face and the long axis of the sample.

Description

Apparatus and method for end face treatment of fiber reinforced composite compression sample

technical field

The invention relates to the technical field of composite material performance testing equipment, in particular to a device and method for processing the end face of a fiber-reinforced composite material compression sample.

Background technique

At present, the test of fiber-reinforced composite compression specimens mostly adopts the form of end-face loading and combined end-face and shear loading. High-strength and high-modulus fiber-reinforced composite materials, and relevant standards have made clear requirements for this. The samples processed by most of the sample processing methods are difficult to meet the standard requirements. The specific performance is: the sample is cut and processed by a universal grinder. Due to the insufficient rigidity of the grinding wheel used, the deformation of the grinding wheel during the cutting process leads to cutting and grinding of the end face of the sample. The grinding surface of the sample is uneven or not perpendicular to the long axis of the sample; the sample is processed by a CNC waterjet machine. Due to the large thickness of the sample reinforcement area, there is a large deviation between the upper and lower surfaces of the sample and the distance from the water jet, resulting in the cutting end of the sample. is a top-down slope.

The information disclosed in this Background section is only intended to enhance the understanding of the general background of the present invention, and should not be considered as an acknowledgment or any form of suggestion that the information constitutes the prior art that is already known to those skilled in the art.

Contents of the invention

The purpose of the present invention is to provide a device and method for processing the end surface of a fiber reinforced composite material compression sample, which can accurately locate the compression sample, and the long axis of the sample will not deviate when the two ends of the same sample are respectively positioned Grinding the end face of the sample by grinding perpendicular to the positioning axis can ensure the parallelism of the two ends and the perpendicularity between the end face and the long axis of the sample at the same time, and ensure that the samples processed in all forms can meet the standard test requirements Requirements for parallelism and perpendicularity of the front face.

To achieve the above object, the present invention provides the following technical solutions:

In the first aspect, the present invention provides a fiber-reinforced composite compression sample end face processing device, including: a base, a clamping mechanism, a grinding head and a driving mechanism;

The clamping mechanism is located on the base and is used for clamping and positioning the compressed sample;

Both the grinding head and the driving mechanism are located on the base, and the grinding head is opposite to the clamping mechanism, and the grinding surface of the grinding head is in contact with all the objects clamped in the clamping mechanism. The axis of the compression sample is perpendicular;

The driving mechanism is in transmission connection with the grinding head, and is used to drive the grinding head to grind the end face of the compressed sample.

Further, the clamping mechanism includes a slider, and at least one clamping groove is arranged in the slider, and a device for pressing the compressed sample against one side of the clamping groove is installed in the clamping groove. The bead is used so that the end face of the compressed sample is parallel to the grinding surface of the grinding head, and the axis of the compressed sample is perpendicular to the grinding surface of the grinding head.

Further, the side of the clamping groove close to the compression sample is provided with a first positioning protrusion matching the groove on the compression sample;

The side of the bead near the compression sample is provided with a second positioning protrusion matching the groove on the compression sample.

Further, the bead and the slider are connected by a bead fastening screw, and the bead and the slider are positioned by a bead guide post, so that the extension of the bead and the clamping groove direction parallel.

Further, the slider is provided with two clamping grooves arranged in parallel, each of the clamping grooves holds one of the compression samples, and the grinding head can simultaneously grind two of the Compress the end face of the specimen.

Further, the base includes a bottom plate and a first boss, a second boss, a stopper and a baffle located on the bottom plate, wherein:

The first boss and the second boss are arranged in parallel;

The baffle plate and the stopper are connected through the first boss and the second boss,

The block, the first boss, the second boss and the baffle form a groove on the bottom plate that can accommodate the slider.

Further, the clamping mechanism further includes a slider push screw connected with the baffle, and the distance between the slider and the stopper can be adjusted by the slider push screw.

Further, the driving mechanism includes a bracket, a motor and a coupling; the motor is mounted on the base through the bracket; passed to the grinding head.

Further, the base is provided with a positioning groove, and the bracket approaches or moves away from the clamping mechanism along the positioning groove through a bracket fixing screw.

In the second aspect, the present invention also provides a method for treating the end face of a fiber-reinforced composite compression sample, including:

Push the screw through the slider to adjust the position of the slider so that the slider is close to the stopper;

Adjust the position of the bracket and the motor through the positioning groove and the bracket fixing screw. After adjusting the position, tighten the bracket fixing screw to fix the position of the motor;

Push the screw through the slider to adjust the position of the slider so that the slider is close to the baffle;

Place the compression sample qualified in the width and thickness directions in the clamping groove of the slider, and align the groove on the compression sample with the first positioning protrusion;

Push the position of the bead through the bead fastening screw, so that the side of the clamping groove and the side of the bead clamp the compressed sample, and at the same time, the first positioning protrusion and the second positioning protrusion on the bead are respectively facing the grooves on both sides of the compression specimens;

Start the motor for grinding, and advance the position of the slider through the slider advancement screw until the slider is close to the stopper.

The device and method for treating the end face of a fiber reinforced composite material compression sample provided by the present invention have the following beneficial effects:

The first aspect of the present invention provides a fiber-reinforced composite material compression sample end face processing device, including: a base, a clamping mechanism, a grinding head and a driving mechanism; the clamping mechanism is located on the base, and is used for clamping and positioning the compressed sample ; Both the grinding head and the driving mechanism are located on the base, and the grinding head is opposite to the clamping mechanism, and the grinding surface of the grinding head is perpendicular to the axis of the compressed sample clamped in the clamping mechanism; the driving mechanism is connected to the grinding head , used to drive the grinding head to grind the end face of the compressed sample.

The fiber-reinforced composite material compression sample has a composite material laminate sample body and a first lower reinforcement sheet, a first upper reinforcement sheet, a second lower reinforcement sheet, and a second upper reinforcement sheet pasted on the surface of the sample body. The first upper reinforcing sheet and the first lower reinforcing sheet; the second lower reinforcing sheet and the second upper reinforcing sheet are symmetrically pasted on the surface of the sample body by adhesive glue. The two ends of the sample must be parallel to each other and perpendicular to the centerline of the long axis of the sample. Using the device for processing the end surface of the fiber reinforced composite material compression sample provided in the first aspect of the present invention, the clamping mechanism can accurately position the sample, and the long axis of the sample will not deviate when the two ends of the same sample are respectively positioned , by grinding the end face of the sample perpendicular to the positioning axis, the parallelism of the two ends and the perpendicularity of the end face to the long axis of the sample can be guaranteed at the same time.

The end face treatment method of fiber reinforced composite material compression sample provided by the second aspect of the present invention adopts the end face treatment device of fiber reinforced composite material compression sample provided by the first aspect of the present invention, so as to have the fiber reinforced composite material compression sample end face treatment device provided by the first aspect of the present invention. All the beneficial effects of the sample end processing device.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic structural view of an end face processing device for a fiber reinforced composite material compression sample provided by an embodiment of the present invention;

Fig. 2 is a schematic diagram of an exploded structure of a fiber-reinforced composite material compression sample end face processing device provided by an embodiment of the present invention;

Fig. 3 is a schematic structural view of the compression sample in the device for processing the end surface of the fiber reinforced composite material compression sample provided by the embodiment of the present invention.

Icon: 1-bottom plate; 2-first boss; 3-second boss; 4-baffle; 5-baffle fastening screw; 6-block; 7-block fastening screw; 8-first Positioning groove; 9-Second positioning groove; 10-Beat fastening screw; 11-Beat guide post; 12-Third boss; 13-Fourth boss; 14-Beat; 15-Fifth boss; 16- The sixth boss; 17-the seventh boss; 18-bracket; 19-bracket fixing screw; 20-motor; 21-motor fixing screw; 22-grinding head; 23-coupling; 24-compression sample; 25 -slider push screw; 26-eighth boss; 27-ninth boss; 28-sample body; 29-first lower reinforcement piece; 30-first upper reinforcement piece; 31-second lower reinforcement piece; 32-the second upper reinforcing piece; 33-the first end face; 34-the second end face.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 . The device and method for treating the end surface of a fiber reinforced composite material compression sample provided by an embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings.

The embodiment of the first aspect of the present invention provides a fiber-reinforced composite material compression sample end face processing device, including: a base, a clamping mechanism, a grinding head 22 and a driving mechanism;

The clamping mechanism is located on the base, and is used for clamping and positioning the compression sample 24;

Both the grinding head 22 and the driving mechanism are located on the base, and the grinding head 22 is opposite to the clamping mechanism, and the grinding surface of the grinding head 22 is perpendicular to the axis of the compressed sample 24 clamped in the clamping mechanism;

The driving mechanism is connected in transmission with the grinding head 22, and is used to drive the grinding head 22 to grind the end face of the compression sample 24.

As shown in Figure 3, the fiber-reinforced composite material compression sample has a composite material laminate sample body 28 and a first lower reinforcement sheet 29, a first upper reinforcement sheet 30, and a second lower reinforcement sheet pasted on the surface of the sample body 28. 31. The second upper reinforcing sheet 32. The first upper reinforcement sheet 30 and the first lower reinforcement sheet 29 ; the second lower reinforcement sheet 31 and the second upper reinforcement sheet 32 are symmetrically pasted on the surface of the sample body 28 by adhesive. The two ends of the sample must be parallel to each other and perpendicular to the centerline of the long axis of the sample. Using the device for processing the end surface of the fiber reinforced composite material compression sample provided in the first aspect of the present invention, the clamping mechanism can accurately position the sample, and the long axis of the sample will not deviate when the two ends of the same sample are respectively positioned , by grinding the end face of the sample perpendicular to the positioning axis, the parallelism of the two ends and the perpendicularity of the end face to the long axis of the sample can be guaranteed at the same time. In an optional solution of this embodiment, further, the base includes a bottom plate 1 and a first boss 2, a second boss 3, a stopper 6 and a baffle 4 located on the bottom plate 1, wherein:

The first boss 2 and the second boss 3 are arranged in parallel;

The baffle plate 4 and the block 6 are connected through the first boss 2 and the second boss 3,

The block 6 , the first boss 2 , the second boss 3 and the baffle 4 form a groove on the bottom plate 1 that can accommodate the slider.

In an optional solution of this embodiment, further, the clamping mechanism includes a slide block, and at least one clamping groove is arranged in the slide block, and a clamp for pressing the compressed sample 24 against the clamping groove is installed in the clamping groove. side bead 14, so that the end face of the compressed sample 24 is parallel to the grinding surface of the grinding head 22, and the axis of the compressed sample 24 is perpendicular to the grinding surface of the grinding head 22.

In an optional solution of this embodiment, further, the side of the clamping groove close to the compression sample 24 is provided with a first positioning protrusion matching the groove on the compression sample 24;

The side of the bead 14 close to the compression sample 24 is provided with a second positioning protrusion matching the groove on the compression sample 24 .

In the optional scheme of this embodiment, further, the bead 14 is connected with the slider by the bead fastening screw 10, and the bead 14 and the slider are positioned by the bead guide post 11, so that the bead 14 and the clamping The direction of extension of the grooves is parallel.

In the optional solution of this embodiment, furthermore, two clamping grooves arranged in parallel are provided on the slider, and a compressed sample 24 is clamped in each clamping groove, and the grinding head 22 can grind two samples at the same time. The end faces of the specimen 24 are compressed.

In an optional solution of this embodiment, further, the clamping mechanism further includes a slider pushing screw connected to the baffle 4 , and the distance between the slider and the stopper 6 can be adjusted by the slider pushing screw.

In the optional solution of this embodiment, further, the driving mechanism includes a bracket 18, a motor 20 and a coupling 23; the motor 20 is installed on the base through the bracket 18; The power of the motor 20 is transmitted to the grinding head 22 .

In the optional solution of this embodiment, furthermore, a positioning groove is provided on the base, and the bracket 18 approaches or moves away from the clamping mechanism along the positioning groove through the bracket fixing screw 19.

In at least one embodiment, the fiber-reinforced composite material compression sample end treatment device includes:

Bottom plate 1 has the first supporting surface for supporting bracket 18, has positioning bracket 18 first positioning groove 8 and second positioning groove 9, has supporting, fixed block 6 first end surface 33, has supported, fixed baffle plate 4 the first The two end surfaces 34 have a second supporting surface for supporting and guiding the slider, and have a first boss 2 and a second boss 3 for positioning and guiding the slider.

The slider has a third end surface for pressing against the baffle plate 4, a fourth end surface for pressing against the block 6, a third supporting surface for pressing against and guiding to the bottom plate 1, and a positioning and guiding bottom plate 1 The third boss 12 and the fourth boss 13 of the first boss 2 and the second boss 3, the third boss 12 and the fourth boss 13 have 3. The outer surface of the two bosses in contact with the inner surface has three fastening screw holes for pressing the pressing bar 14 and two guide holes for positioning the pressing bar 14. The slider has a fifth protrusion for pressing and positioning the sample. Platform 15, the fifth boss 15 has a fourth supporting surface for pressing against the clamping section of the fiber reinforced composite material compression sample, and has a sixth boss 16 and a seventh boss 17 for pressing and positioning the working section of the compression sample , with a fifth supporting surface for pressing against the side of the sample.

The bead 14 has two bead guide posts 11 matching the above-mentioned slider guide holes, has a screw end positioning hole that matches the above-mentioned slider fastening screw hole, and has a The eighth boss 26 and the ninth boss 27, which are pressed against and positioned by the corresponding compression sample working section, have a sixth support surface for pressing against the sample clamping section.

The baffle 4 has a baffle fastening screw 5 matching the second end surface 34 of the bottom plate 1 , a fifth end surface for pressing against the third end surface of the slider, and a threaded hole cooperating with the slider advancing screw 25 .

The stopper 6 has a stopper fastening screw 7 matching the first end surface 33 of the bottom plate 1 and has a sixth end surface for pressing against the fourth end surface of the slider.

The bracket 18 has a seventh supporting surface that matches the first supporting surface of the above-mentioned bottom plate 1, has a third positioning groove and a fourth positioning groove that match the first positioning groove 8 and the second positioning groove 9 of the above-mentioned bottom plate 1, and has The bracket fixing screw 19 connected to the first supporting surface of the bottom plate 1 has an eighth supporting surface against which the fixed end surface of the power supply 20 is pressed, and the eighth supporting surface has a motor fixing screw 21 connected to the end surface of the motor 20 .

The grinding head 22 has a disc grinding wheel, and the disc grinding wheel has a grinding plane parallel to the end surface of the sample and an arbor connected with the coupling 23 and perpendicular to the grinding plane.

The motor 20 has a fixed end surface of the motor 20 that matches the eighth supporting surface of the bracket 18 .

The shaft coupling 23 connects the motor 20 shaft of the motor 20 and the grinding head 22 shaft handle.

By adjusting the position of the motor 20 in the first positioning groove 8 and the second positioning groove 9 of the bottom plate 1, it is ensured that the grinding plane of the grinding head 22 is perpendicular to the fourth supporting surface of the slider against the clamping section of the sample and the sixth supporting surface of the bead 14 And it is perpendicular to the fifth supporting surface of the slide block that presses against the side of the sample. To ensure the perpendicularity of the grinding plane to the long axis of the sample. The sixth boss 16 for pressing and positioning the compressed sample working section through the slide block and the eighth boss 26 for pressing and positioning the compressed sample working section through the bead 14, and the eighth boss 26 for pressing and positioning the compressed sample working section through the slide block The seventh boss 17 and the bead 14 are the ninth boss 27 for pressing and positioning the working section of the compressed sample. The above-mentioned slider is used for pressing against the fourth end face of the stopper 6 and the sixth end face of the stopper 6 to ensure the clamping of the sample The length of the segment.

The bead guide post 11 is used to ensure that the bead 14 can only make a lateral orientation displacement on the slider, and then control the distance from the eighth boss 26, the ninth boss 27 to the grinding surface of the grinding head 22 to ensure that all the samples that have undergone end-face treatment The length of the clamping section is constant and complies with standard regulations.

The foregoing embodiments of the present invention have the following advantages:

1. It can accurately locate the sample, and the accuracy of sample positioning will not be affected during processing, and it can fully ensure that the processed end face of the sample is perpendicular to the center line of the long axis of the sample.

2. The positioning position of the same type of samples has a high degree of reproducibility, that is, each time the sample is placed, the center line of the long axis of the sample can be coincident to ensure that the end face of each sample after processing is parallel.

3. After the same type of sample is processed, the length of the clamping section in the reinforced area is highly consistent.

4. It can be adjusted according to the needs or standard requirements to meet the different length requirements of the clamping section of the sample reinforcement area.

5. It can meet the end face processing requirements of fiber-reinforced composite compression specimens with different thicknesses.

6. It can process two samples at the same time.

7. The standardization of tooling is large, and the operation is simple, which can effectively reduce the influence of human operation factors on sample processing.

The embodiment of the second aspect of the present invention provides a method for treating the end face of a fiber-reinforced composite compression sample, including:

Push the screw 25 through the slider to adjust the position of the slider so that the slider is close to the stopper 6;

Adjust the position of the bracket 18 and the motor 20 through the positioning groove and the bracket fixing screw 19. After adjusting the position, tighten the bracket fixing screw 19 to fix the position of the motor 20;

Push the screw 25 through the slider to adjust the position of the slider so that the slider is close to the baffle 4;

Place the compressed sample 24 that has passed the detection of the width and thickness directions in the clamping groove of the slider, and align the groove on the compressed sample 24 with the first positioning protrusion;

Push the position of the bead 14 through the bead fastening screw 10, so that the side of the clamping groove and the side of the bead 14 clamp the compression sample 24, and at the same time, the first positioning protrusion and the second positioning protrusion on the bead 14 face the compression sample 24 respectively grooves on both sides;

Start the motor 20 for grinding, and advance the position of the slider through the slider advancing screw 25 until the slider is close to the stopper 6 .

In order to ensure that the first end surface 33 and the second end surface 34 of the fiber-reinforced composite material compression sample 24 shown in Fig. 3 are parallel to each other and perpendicular to the center line of the long axis of the sample, the grinding head 22 grinds the plane and the three points used to fix the sample position. The surface is the fourth support surface of the slider against the clamping section of the sample and the sixth support surface of the bead 14 and is perpendicular to the fifth support surface of the slider against the side of the sample. After the sample is placed, the bead fastening screw 10 is used to control the bead 14 to position the sample, and at the same time, the boss is used to control the axial position of the sample to ensure that the first end surface 33 and the second end surface 34 of the processed sample are parallel to each other and aligned with the test surface. The center line of the long axis of the sample is vertical, and the length of the reinforced area at both ends of the sample is controllable, and the length of all the processed parts can be kept the same.

The specific operation steps of the end face treatment method of the fiber reinforced composite material compression sample provided by the embodiment of the second aspect of the present invention are as follows:

1. Push the screw 25 through the slider to adjust the position of the slider so that the fourth end surface of the slider is close to the sixth end surface of the stopper 6 .

2. According to the type and size of the sample required by the standard, adjust the position of the motor 20 through the positioning groove and the bracket fixing screw 19, so that the distance between the grinding plane of the grinding head 22 and the left edge of the sixth boss 16 is the same as the fiber reinforced composite material compression sample required by the standard The length of the reinforced area is consistent, and it is necessary to ensure that the grinding plane of the grinding head 22 and the three surfaces used to fix the position of the sample are the fourth support surface of the slider against the clamping section of the sample and the sixth support surface of the bead 14 and are perpendicular to the support surface. The fifth supporting surface of the slide block on the side of the compression sample is vertical. After adjusting the position, tighten the bracket fixing screw 19 of the bracket 18 and the bottom plate 1 to fix the position of the motor 20 .

3. Push the screw 25 through the slider to adjust the position of the slider so that the third end surface of the slider is close to the fifth end surface of the baffle plate 4 .

4. Place the fiber-reinforced composite material compression sample that has passed the inspection in the width and thickness directions on the fifth support surface of the slider, and align the middle working section of the sample with the sixth boss 16 or the seventh boss 17 .

5. Advance the position of the bead 14 through the bead fastening screw 10, so that the fourth support surface of the slider against the clamping section of the sample and the sixth support surface of the bead 14 clamp the sample clamping section, and at the same time the slider and the bead 14 are on the The sixth boss 16, the seventh boss 17, the eighth boss 26, and the ninth boss 27 are facing the middle working section of the sample. Complete the fastening and positioning of the sample.

6. Start the motor 20 for grinding, and slowly advance the position of the slider through the slider pushing screw 25 until the fourth end surface of the slider is close to the sixth end surface of the stopper 6 . Finish the grinding of the end face of this sample.

7. Refer to step 5 to remove the sample.

8. Repeat steps 1-7 to complete the processing of the other end of the sample.

9. The end faces of two samples can be processed at the same time as required.

The fiber-reinforced composite compression performance test piece has a composite material laminate sample body 28 and a first lower reinforcement sheet 29, a first upper reinforcement sheet 30, a second lower reinforcement sheet 31, and a second upper reinforcement sheet pasted on the surface of the sample body 28. Reinforcing sheet 32 . The first upper reinforcement sheet 30 and the first lower reinforcement sheet 29 ; the second lower reinforcement sheet 31 and the second upper reinforcement sheet 32 are symmetrically pasted on the surface of the sample body 28 by adhesive. The exposed part of the sample body 28 between the first lower reinforcing sheet 29 and the second lower reinforcing sheet 31 , and between the first upper reinforcing sheet 30 and the second upper reinforcing sheet 32 must meet relevant requirements. As shown in Figure 3, the left and right sides of the sample are mirror-symmetrical to the midline, the top and bottom of the sample are mirror-symmetrical to the mid-section of the sample body 28, and the first end surface 33 and the second end surface 34 must be parallel to each other and perpendicular to the long axis centerline of the sample.

In summary, it can be seen that the parallelism between the first end surface 33 and the second end surface 34 of the specimen and the perpendicularity between the two end surfaces and the centerline of the long axis of the specimen can be greatly improved after processing the composite material compression specimen. By adjusting the position of the motor 20, the follow-up processing of samples with different clamping lengths can be satisfied. The fourth support surface of the slider in the clamping section of the compression sample and the sixth support surface of the bead 14 are perpendicular to the fifth support surface of the slider on the side of the compression sample and the three surfaces of the sample to ensure that the area is large enough. In this way, it prevents the sample from shaking during the processing and affects the processing accuracy. The widths of the sixth boss 16 and the seventh boss 17 are given by relevant standards (GB/T5258, ISO14126). The distance between the edge of the sixth boss 16 and the seventh boss 17 and the grinding plane of the grinding head 22 is given by relevant standards (GB/T5258, ISO14126), and is used to accurately locate the length of the reinforced area of the compression sample 24 .

The method for treating the end face of a fiber reinforced composite material compression sample provided in the embodiment of the second aspect of the present invention adopts the end face processing device for a fiber reinforced composite material compression sample provided in the embodiment of the first aspect of the present invention, thereby having the advantages of the first aspect of the present invention All beneficial effects of the fiber reinforced composite material compression sample end face treatment device provided in the embodiment.

The device and method for treating the end surface of the fiber reinforced composite material compression sample of the present invention have been described above, but the present invention is not limited to the above-mentioned specific embodiments, and various modifications or changes are possible as long as they do not depart from the scope of the claims. change. The present invention includes various modifications and changes within the scope of the claims.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (10)

1. A fiber-reinforced composite material compression sample end face processing device, characterized in that, comprising: a base, a clamping mechanism, a grinding head and a driving mechanism; The clamping mechanism is located on the base and is used for clamping and positioning the compressed sample; Both the grinding head and the driving mechanism are located on the base, and the grinding head is opposite to the clamping mechanism, and the grinding surface of the grinding head is in contact with all the objects clamped in the clamping mechanism. The axis of the compression sample is perpendicular; The driving mechanism is in transmission connection with the grinding head, and is used to drive the grinding head to grind the end face of the compressed sample. 2. The device for processing the end face of a fiber reinforced composite material compression sample according to claim 1, wherein the clamping mechanism comprises a slide block, and at least one clamping groove is arranged in the slide block, and the clamping mechanism A bead for pressing the compressed sample against one side of the clamping groove is installed in the groove, so that the end face of the compressed sample is parallel to the grinding surface of the grinding head, and the compressed sample The axis is perpendicular to the grinding surface of the grinding head. 3. The device for processing the end face of a fiber-reinforced composite material compression sample according to claim 2, wherein the side of the clamping groove close to the compression sample is provided with a groove matching the upper groove of the compression sample. first positioning protrusion; The side of the bead near the compression sample is provided with a second positioning protrusion matching the groove on the compression sample. 4. The device for processing the end face of a fiber reinforced composite material compression sample according to claim 2, wherein the bead is connected to the slide block by a bead fastening screw, and the bead is connected to the slide block The bead guide posts are positioned between them, so that the bead is parallel to the extending direction of the clamping groove. 5. The device for processing the end face of a fiber-reinforced composite material compression sample according to claim 2, wherein the slide block is provided with two clamping grooves arranged in parallel, each of the clamping grooves One compression sample is clamped, and the grinding head can simultaneously grind the end surfaces of two compression samples. 6. The device for processing the end face of a fiber reinforced composite material compression sample according to claim 2, wherein the base comprises a bottom plate and a first boss, a second boss, a stopper and a stopper located on the bottom plate board, where: The first boss and the second boss are arranged in parallel; The baffle plate and the stopper are connected through the first boss and the second boss, The block, the first boss, the second boss and the baffle form a groove on the bottom plate that can accommodate the slider. 7. The device for processing the end face of a fiber reinforced composite material compression sample according to claim 6, wherein the clamping mechanism further comprises a slider pushing screw connected with the baffle, and the screw is pushed by the slider The distance between the slider and the stopper can be adjusted. 8. The fiber reinforced composite material compression sample end face processing device according to claim 1, characterized in that, the drive mechanism comprises a bracket, a motor and a shaft coupling; the motor is mounted on the base through the bracket ; The coupling is connected with the motor in transmission, and is used to transmit the power of the motor to the grinding head. 9. The device for processing the end face of a fiber reinforced composite material compression sample according to claim 8, wherein a positioning groove is provided on the base, and the bracket approaches or moves away from the positioning groove along the positioning groove through a bracket fixing screw. clamping mechanism. 10. A method for treating the end face of a fiber-reinforced composite compression sample, characterized in that it comprises: Push the screw through the slider to adjust the position of the slider so that the slider is close to the stopper; Adjust the position of the bracket and the motor through the positioning groove and the bracket fixing screw. After adjusting the position, tighten the bracket fixing screw to fix the position of the motor; Push the screw through the slider to adjust the position of the slider so that the slider is close to the baffle; Place the compression sample qualified in the width and thickness directions in the clamping groove of the slider, and align the groove on the compression sample with the first positioning protrusion; Push the position of the bead through the bead fastening screw, so that the side of the clamping groove and the side of the bead clamp the compressed sample, and at the same time, the first positioning protrusion and the second positioning protrusion on the bead are respectively facing the grooves on both sides of the compression specimens; Start the motor for grinding, and advance the position of the slider through the slider advancement screw until the slider is close to the stopper.