TW201337238A - Fixing device and peeling strength tester - Google Patents

Abstract

The present invention provides a fixing device for testing peeling strength of a printed circuit board. The fixing device includes a main body, a first support board, a second support board, a first fixing board and a second fixing board. The first support board and the second support board are in parallel arrangement. The first support board and the second support board can be fixed on the main body and is slidable relative to the body part. The first fixing board and the second fixing board are in parallel arrangement. The two opposite ends of the first fixing board and the second fixing board are separately fixed on the first support board and the second support board. The first fixing board and the second fixing board are slidable relative to the first support board and the second support board. The first fixing board and the second fixing board are used to fix two opposite side of the test sample. A peeling strength tester using the fixing device is also provided.

Description

Fixing device and peel strength test device

The present invention relates to a fixing device, and more particularly to a fixing device for testing the peel strength of a material and a peeling strength testing device using the same.

Peel strength tester is a commonly used test instrument in the field of copper clad laminates and printed circuit boards. It is used to detect the peel strength between layered materials or product layers, that is, the bonding force between layers, such as the bonding strength of copper clad copper foil to substrate. The bonding force between the conductive line and the insulating layer on the circuit board, or the bonding force of the cover film and the like to the substrate. When testing the peel strength of the sample to be tested, the sample to be tested is usually made into a rectangular shape, and the layer to be peeled off on the substrate is formed into a plurality of test strips of predetermined width spaced apart by etching or the like, and one end of the test strip is formed. Separating from the substrate by a certain length to hold the test strip to be peeled off with a peel strength detecting instrument. A typical peel strength tester includes the following components: a sample holding device, a sample holding device, a force measuring device, and a motion control device. The sample fixing device is used for clamping and fixing the sample to be tested; the sample holding device generally comprises a chuck, a connecting member connected with the chuck and a sliding rod, wherein the chuck is used for clamping the sample to be tested to be peeled off The layer, such as the test copper foil and the substrate bonding force, the chuck is used to clamp the portion of the fabricated copper foil test strip separated from the substrate, the connecting member is slidably mounted on the sliding rod and Moving along the slide bar; the force measuring device comprises a tension meter connected to the connecting member for sensing a tensile force value; the motion control device is connected to the connecting member for controlling the connecting member uniform motion. However, under normal circumstances, after the test sample is fixed on the fixture, most of the test strips on the test sample cannot be in the middle of the fixture, and the existing fixture cannot adjust the position of the test strip. All of them are facing the collet, so that the object to be peeled cannot always maintain the set angle, which affects the test accuracy.

In view of this, it is necessary to provide a fixture and a peel strength test device that can easily adjust the position of the test sample to improve the accuracy of the test.

A fixing device for fixing a sample to be tested during a peel strength test, comprising a main body portion, a first carrier member, a second carrier member, a first fixing block and a second fixing block. The body portion includes a first plate body, and the first plate body has a first surface. The first carrier includes a second plate body, and the second plate body is fixedly disposed on the first surface and slidable relative to the main body portion. The second carrier includes a third plate body, the third plate body is fixedly disposed on the first surface and disposed side by side with the first carrier member, and the third plate body is opposite to the The main body slides. Two ends of the first fixing block are respectively fixed on the first carrier and the second carrier and are slidable relative to the first carrier and the second carrier. The second fixing block is disposed in parallel with the first fixing block, and two ends of the second fixing block are respectively fixed on the first carrier and the second carrier and are opposite to the first carrier Sliding with the second carrier, and the slidable direction of the second fixing block is the same as the slidable direction of the first fixing block, wherein the first fixing block and the second fixing block are used for fixing the relative of the sample to be tested. On both sides.

A peel strength testing device includes a work table, a fixing device, a clamping device, a force measuring device and a motion control device. The fixing device is fixed to the work table, and the fixing device is used for clamping and fixing a sample to be tested. The clamping device comprises a chuck, a connecting piece connected to the chuck and a sliding rod, wherein the clamping head is used for clamping one end of the sample to be tested, and the connecting member is slidably mounted on the sliding rod And being movable along the sliding rod, the sliding rod is inclined at a predetermined angle with the fixing device, so that when the sample to be tested is peeled off, the chuck is displaced in both vertical and horizontal directions, thereby The peeling direction of the chuck to the sample to be tested is always perpendicular to the fixing device. The force measuring device includes a tension meter connected to the connecting member for sensing a tensile force value. The motion control device is coupled to the connector, the motion control device for controlling movement of the connector.

Compared with the prior art, the peeling strength testing fixture and the testing device of the present invention can move the first fixing block and the second fixing block by adjusting the first bolt and the second bolt, The position of the sample to be tested is adjusted so that each sample strip to be tested on the sample to be tested can be placed at a position opposite to the chuck during testing, thereby improving the accuracy of the test.

The peeling strength test fixing device and the testing device provided by the embodiments of the present technical solution will be further described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIG. 1 , a fixing device 10 according to a first embodiment of the present invention includes a main body portion 11 , a mounting portion 12 , a blocking portion 16 , a supporting portion 18 , and a fixing portion 19 .

Referring to FIG. 2, the main body portion 11 includes a first plate body 111, a second plate body 112, and a third plate body 113 that are sequentially fixedly connected. The first plate body 111 and the third plate body 113 respectively The first plate body 111 is parallel to the third plate body 113 and extends in the same direction perpendicular to the second plate body 112. The second plate body 112 includes a first surface 1121 and a second surface 1122. The first surface 1121 is disposed at a middle position with a stepped groove 1123. The stepped groove 1123 has a first side 1124 connected in sequence. a first bottom surface 1125, a second side surface 1126, a second bottom surface 1127, a third side surface 1128, a third bottom surface 1129, and a fourth side surface 1130, the first side surface 1124, the second side surface 1126, the third side surface 1128, and the fourth surface The side surfaces 1130 are parallel to each other, the first bottom surface 1125 is coplanar with the third bottom surface 1129, the second bottom surface 1127 is located below the first bottom surface 1125, the first bottom surface 1125, the second side surface 1126, and the first surface The second bottom surface 1127 forms a step, and the second bottom surface 1127, the third side surface 1128 and the third bottom surface 1129 also form a step. The first bottom surface 1125 and the third bottom surface 1129 are respectively provided with two first threaded holes 1134. The second bottom surface 1127 defines a square through hole 1132. The through hole 1132 extends through the second bottom surface. The second surface 1122 and the second surface 1122 are respectively provided with two second threaded holes 1133 extending through the second bottom surface 1127 and the second surface 1122 on opposite sides of the through hole 1132.

The through hole 1132 may also be a circular hole, a polygonal hole or the like.

Referring to FIG. 3 , the mounting portion 12 includes a first pressing member 120 , a second pressing member 130 , a first carrier member 140 , and a second carrier member 150 .

The first pressing member 120 is a plate-shaped body, the first pressing member 120 has a third surface 121 and a fourth surface 122 opposite to each other, and the first pressing member 120 is provided with two first screw holes. The first screw hole 123 and the second screw hole 124 penetrate the third surface 121 and the fourth surface 122. Referring to FIG. 9 , a first bolt 1231 is respectively screwed into a first screw hole 123 and a corresponding first threaded hole 1134 , and another first bolt 1231 is respectively coupled to the other first screw hole. And the corresponding first threaded hole 1134 is screwed to fix the first pressing member 120 to the first bottom surface 1125 to make the fourth surface 122 and the first bottom surface 1125 Sticking together. The width of the first pressing member 120 in a direction perpendicular to the first side surface 1124 is greater than the width of the first bottom surface 1125, so that the first pressing member 120 is parallel to the second bottom surface 1127. The direction protrudes from the second side surface 1126, so that the fourth surface 122 and the second side surface 1126 and the second bottom surface 1127 together form a first elongated slot 125. The two second screw holes 124 are located on the groove wall of the first elongated slot 125, and the two second bolts 1241 are respectively screwed into the two second screw holes 124.

The second pressing member 130 has the same shape as the first pressing member 120, and is also a plate-shaped body. The second pressing member 130 has an opposite fifth surface 131 and a sixth surface 132. The second pressing member 130 is provided with two third screw holes 133 and two fourth screw holes 134. The third screw holes 133 and the fourth screw holes 134 both penetrate the fifth surface 131 and the sixth surface. 132. Two third bolts 1331 are respectively screwed with the two third screw holes 133 to fix the second pressing member 130 to the third bottom surface 1129, wherein the sixth surface 132 and the third bottom surface 1129 is attached, the width of the second pressing member 130 in a direction perpendicular to the fourth side surface 1130 is greater than the width of the third bottom surface 1129, so that the second pressing member 130 along the second bottom surface 1127 The parallel direction extends beyond the third side surface 1128, so that the sixth surface 132 and the third side surface 1128 and the second bottom surface 1127 together form a second elongated slot 135 (shown in FIG. 9). The two fourth screw holes 134 are located on the groove wall of the second elongated slot 135, and the two fourth bolts 1341 are screwed into the two fourth screw holes 134, respectively.

In addition, the first pressing member 120 and the second pressing member 130 may be integrally formed with the main body portion 11.

The first carrier 140 is an L-shaped body, and includes a fourth plate body 141 and a fifth plate body 142 which are perpendicular to each other. The fourth plate body 141 includes a seventh surface 1411 and an eighth surface. a surface 1412, as shown in FIGS. 9 and 2, the fourth plate 141 is received in the first elongated slot 125, and the eighth surface 1412 is attached to the second bottom surface 1127, the fourth The plate body 141 is slidable along the first elongated slot 125. The fifth plate body 142 has an opposite seventh side 1421 and an eighth side surface 1422, and a first top surface 1423 connecting the seventh side surface 1421 and the eighth side surface 1422, the seventh side surface 1421 and the eighth side surface 1422 is perpendicular to the second bottom surface 1127, and the seventh side surface 1421 is connected to the seventh surface 1411 of the fourth plate body 141. The seventh side surface 1421 is provided with a first sliding groove 1425 having a rectangular cross section extending along the extending direction of the fifth plate body 142 and penetrating through the two end faces of the fifth plate body 142. A fifth screw hole 1426 and a sixth screw hole 1427 are disposed on the first top surface 1423 of the fifth plate body 142. The fifth screw hole 1426 and the sixth screw hole 1427 are located in the fifth plate body 142. Both ends of the first carrier 140 extend in the extending direction.

The shape of the second carrier 150 is the same as that of the first carrier 140, and the cooperation relationship between the second carrier 150 and the second slot 135 is also opposite to the first carrier 140 and the first slot 125. The second bearing member 150 is provided with a second sliding slot 1525 which is identical in structure and position to the first sliding slot 1425, and the top surface of the second carrier 150 is respectively provided with the same The fifth screw hole 1426 and the sixth screw hole 1427 correspond to the seventh screw hole 1526 and the eighth screw hole 1527.

The sliding design of the first carrier 140 and the second carrier 150 on the first elongated slot 125 and the second elongated slot 135 is to enable the sample to be tested to have a larger range of motion on the fixing device 10. In order to facilitate the movement of the test strip to be tested to the desired position, it is understood that the first carrier 140 and the second carrier 150 may be directly fixed to the main body portion 11, or the first The carrier 140 and the second carrier 150 are integrally formed with the main body portion 11. The above two designs do not need to provide the first pressing member 120 and the second pressing member 130.

Referring to FIG. 4 , the blocking portion 16 includes a first blocking member 160 and a second blocking member 170 .

The first blocking member 160 is a strip-shaped plate body. As shown in FIG. 9 , the two ends of the first blocking member 160 are respectively fixed on the first carrier 140 and the second carrier 150 . The two ends of the first blocking member 160 are respectively provided with a ninth screw hole 1601, and the positions of the two ninth screw holes 1601 correspond to the fifth screw hole 1426 and the seventh screw hole 1526, respectively. The five bolts 1603 respectively fix the two ends of the first blocking member 160 to the first carrier member 140 and the second carrier member 150, wherein the fifth bolt 1603 and one of the ninth screw holes 1601 and Corresponding to the fifth screw hole 1426, the other fifth bolt 1603 is screwed with the other of the ninth screw hole 1601 and the corresponding seventh screw hole 1526. Two first stoppers 1602 extend perpendicularly from the two ends of the first blocking member 160 on a side parallel to the extending direction thereof, and the two first stoppers 1602 and the first carrier 140 and One end surface of the second carrier 150 abuts to fix the first blocking member 160 to the first carrier 140 and the second carrier 150 more firmly.

The two ends of the second blocking member 170 are respectively fixed on the first carrier 140 and the second carrier 150, and have the same shape and shape as the first blocking member 160. The tenth screw hole 1701 corresponding to the ninth screw hole 1601 and the two second screw block 1702 corresponding to the first stopper 1602, the positions of the two tenth screw holes 1701 and the The six screw holes 1427 and the eighth screw holes 1527 correspond to each other, and the two eleventh bolts 1703 fix the second blocking member 170 to the first carrier member 140 and the second carrier member 150.

It can be understood that the first blocking member 1602 and the second blocking member 1702 can also be disposed. The first blocking member 160 and the second blocking member 170 can also be fixed to the first carrier member 140 and the second carrier member. On piece 150.

Referring to FIG. 5 further, the support portion 18 includes a support member 180, four sixth bolts 182, four springs 183, and a seventh bolt 184.

The support member 180 is a square plate-shaped body. The size of the support member 180 is larger than the size of the through hole 1132. The four corners of the support member 180 are provided with four eleventh screw holes 1803, as shown in FIG. 2 and 10, the tenth bolt 1804 sequentially passes through the eleventh screw hole 1803 and the second threaded hole 1133 of the main body portion 11 from the second surface 1122 side of the main body portion, and the support is The member 180 is fixed on the second surface 1122 of the main body portion 11. The support member 180 and the through hole 1132 together form a square groove (not shown), and the four corners of the support member 180 are the tenth A through hole 1801 is disposed at a position of a screw hole 1803, and a twelfth screw hole 1802 is disposed at a center of the support member 180.

It can be understood that the support member 180 can also be integrally formed with the main body portion 11 or the support member 180 can be disposed, and a square groove can be directly disposed on the first surface 1121 of the main body portion 11.

The sixth bolt 182 includes a nut 1821, a cylindrical portion 1822 connected to the nut 1821, and a screw portion 1823 connected to the cylindrical portion 1822. The cylindrical portion 1822 is received in the spring 183, and one end of the spring 183 abuts against the nut 1821. The seventh bolt 184 is screwed from the second surface 1122 side of the main body portion to the twelfth screw hole 1802.

Referring to FIGS. 6 and 7 , the fixing portion 19 includes a first fixing block 190 , a second fixing block 200 , and a third fixing block 210 .

The first fixing block 190 includes a square seventh plate body 191 and a plurality of first strip bodies 192 that are parallel with the seventh plate body 191. As shown in FIG. 2 and FIG. 9, the seventh board body 191 is received in the square slot 185, and the seventh board body 191 has a second top surface 1901 and a fourth bottom surface 1902. The bottom surface 1902 is provided with four thirteenth screw holes 1904. The positions of the four thirteenth screw holes 1904 are corresponding to the positions of the four through holes 1801 of the support member 180, and the screw portion 1823 of the sixth bolt 182. And the thirteen screw holes 1904 are screwed through the through hole 1801 from the side of the second surface 1122 of the main body portion, and the two ends of the spring 183 are respectively connected to the nut 1821 and the The support members 180 abut each other. The plurality of first strips 192 are disposed on the second top surface 1901 of the seventh plate body 191, and the extending directions of the plurality of first strips 192 are parallel to each other and are parallel to the second top In the embodiment 1901, the extending direction of the plurality of first strips 192 is parallel to one of the square seventh plates 191. Each of the two adjacent first strips 192 has a predetermined distance therebetween to form a plurality of third grooves 1903.

The four sixth bolts 182 of the support member 180 are used to support the first fixing block 190 to equalize the force of the first fixing block 190, and the four springs 183 are used to buffer the first fixing. Block 190 is subjected to an external force. It can be understood that the four sixth bolts 182 and the four springs 183 may not be provided.

The two ends of the second fixing block 200 are slidably disposed on the first carrier 140 and the second carrier 150, and the second fixing block 200 is located at the first blocking member 160 and Between the second blocking members 170. The second fixing block 200 includes an eighth plate body 201 , two first limiting portions 202 , and a plurality of second strips 203 .

The eighth plate body 201 includes a ninth surface 2011 and a tenth surface 2012. The four ends of the eighth plate body 201 are provided with two fourteenth screw holes 2016, and the fourteenth screw holes 2016 are penetrated. The ninth surface 2011 and the tenth surface 2012, the two eighth bolts 2017 are respectively screwed with the two fourteenth screw holes 2016.

The two first limiting portions 202 extend perpendicularly from the tenth surface 2012 of the eighth plate body 201, and the two first limiting portions 202 are respectively located at the two of the eighth plate bodies 201. The end is located outside the position of the fourteenth screw hole 2016. For example, the first limiting portion 202 is an L-shaped body, which includes a vertically connected ninth plate body 2021 and a tenth plate body 2022. The ninth plate body 2011 is perpendicularly connected to the eighth plate body 201, the tenth plate body 2022 is parallel to the eighth plate body 201, the tenth plate body 2022, the ninth plate body 2021 and the eighth plate body 201 Forming a fourth recess 204, as shown in FIGS. 3 and 9, the fourth recess 204 is in phase with the first chute 1425 of the first carrier 140, that is, the tenth plate 2022 It is accommodated in the first sliding slot 1425 and slidable along the first sliding slot 1425. Similar to the first limiting portion 202, the other first limiting portion 202 is misaligned with the second sliding slot 1525 of the second carrier 150 to be slidable along the second sliding slot 1525.

The plurality of second strips 203 are respectively disposed on the tenth surface 2012 of the eighth plate 201 and the extending directions are parallel to each other, and the plurality of second strips 203 are located in the two fourteenth Between the screw holes 2016, the extending directions of the plurality of second strips 203 are parallel to the ninth plate body 2021. The number and position of the second strips 203 respectively correspond to the third recesses 1903 of the first fixing block 190, and can be accommodated in the third recess 1903, and can be along The third groove 1903 slides, and the length of the second strip 203 in the extending direction thereof is smaller than the length of the first strip 192.

The two first limiting portions 202 and the plurality of second strips 203 are located on the same side of the tenth surface 2012, and the two first limiting portions 202 and the tenth surface 2012 The contact length and the contact length of the plurality of second strips 203 and the tenth surface 2012 are the same and smaller than the width of the third surface such that the opposite side of the tenth surface 2012 is opposite Forming a strip-shaped first strip-shaped crimping portion 2013, the first strip-shaped crimping portion 2013 facing away from the first blocking member 160, the first strip-shaped pressing portion 2013 for pressing the sample to be tested .

The two ends of the third fixing block 210 are slidably disposed on the first carrier 140 and the second carrier 150, and are located at the second fixing block 200 and the second blocking member 170. between. The third fixing block 210 includes an eleventh plate body 211 , a second limiting portion 212 (the same position and structure as the first limiting portion 202 of the second fixing block 200 ), and a plurality of third strip bodies 213 . . The width L2 of the second strip-shaped pressing portion 2113 formed on the third fixing block 210 in a direction parallel to the extending direction of the plurality of third strip-shaped bodies 213 is larger than the second fixing block. The third fixed block 210 is identical to the second fixed block 200 except for the width L1 of the first strip-shaped pressing portion 2013 on the 200. As shown in FIG. 3 and FIG. 9 , the third fixing block 210 passes through the two second limiting portions 212 and the first carrier 140 , the first sliding slot 1425 of the second carrier 150 , and the second sliding slot 1525 . Match. The third fixing block 210 is provided with two fifteenth screw holes 2116 penetrating at positions corresponding to the fourteenth screw holes 2016 of the second fixing block 200, and the two ninth bolts 2117 are respectively associated with the two The fifteenth screw hole 2116 is screwed. The third strip 213 is received in the third groove 1903 of the first fixing block 190 and is slidable along the third groove 1903 for the plurality of second strips In the extending direction of 203, that is, in the sliding direction, the length of the third strip 213 is smaller than the length of the first strip 192, and the second strip 203 and the third strip 213 The length is less than the length of the first strip 192.

The first blocking member 160 and the second blocking member 170 are restricted to prevent the second fixing block 200 and the third fixing block 210 from sliding out of the first carrier 140 and the second carrier 150. It is understood that the first blocking member 160 and the second blocking member 170 may not be provided; the first strip 192 cooperates with the second strip 203 and the third strip 213 to make the first fixing The block 190 is better pressed with the second fixed block 200 and the third fixed block 210. It can be understood that the first strip body 192, the second strip body 203 and the third strip body 213 are not provided. The width L2 of the second strip-shaped pressing portion 2113 may be designed to be equal to the width L1 of the first strip-shaped pressing portion 2013.

Please refer to FIG. 8 . In this embodiment, the sample to be tested 30 includes a rectangular sheet substrate 310 and two strip test strips 311 attached to the substrate. The substrate 310 is made of polycrystalline material. The amine resin, the test strip 311 is made of a copper foil, which is bonded to the substrate by a pure glue, and the length of the substrate 310 is different from the distance between the first carrier 140 and the second carrier 150. Similarly, the two test strips 311 are parallel to each other and have a certain interval, and the two test strips 311 have a certain distance from the substrate 310 in the width direction, and the lengths of the two test strips 311 are The length of the substrate 310 is the same, and one end of the two test strips 311 in the longitudinal direction is separated from the substrate 310, that is, lifted up to form a pull end 312. Of course, the sample to be tested 30 may also include one or more than two test strips 311, and the material of the substrate 310 and the test strip 311 may be other materials.

Referring to FIG. 9 , when the sample to be tested 30 is fixed by using the fixing device 10 , the fourth plate body 141 of the first carrier 140 is first adjusted to be in a suitable position in the extending direction of the first elongated slot 125 . Then, the two second bolts 1241 are respectively passed through the two second screw holes 124, and the two second bolts 1241 are tightened to press the fourth plate body 141 toward the second bottom surface 1127. Thereby, the fourth plate body 141 is pressed into the first elongated slot 125 to fix the first carrier 140; in the same way, the second carrier 150 is replaced by two fourth bolts 1341 Fixed; the sample to be tested 30 is placed on the first top surface 1423 of the first carrier 140 and the second carrier 150; the second fixing block 200 and the third fixing block 210 are slid to make the to-be-tested The two ends of the sample 30 in the width direction are respectively placed under the first strip-shaped pressing portion 2013 of the second fixing block 200 and the second strip-shaped pressing portion 2113 of the third fixing block 210, and one of the two The test strip 311 resides at a predetermined position between the second fixed block 200 and the third fixed block 210 to pull it Force test, and determine that the test strip 311 is not pressed, preferably the test strip 311 is placed in the middle of the first fixed block 190, in order to make the test strip 311 in the middle position, another test strip 311 can be placed under the second strip-shaped pressing portion 2113 of the third fixing block 210; the two eighth bolts 2017 are screwed into the two four-fourth screw holes 2016 to lock the first The second fixing block 200 is fixed on the first carrier 140 and the second carrier 150, and the third fixing block 210 is also fixed on the first carrier 140 and the second carrier 150; The seventh bolt 184 passes through the twelfth screw hole 1802 and has its end portion attached to the fourth bottom surface 1902 of the seventh plate body 191, and continues to tighten the seventh bolt 184 to push the first bolt a seven-plate body 191, and the first strip-shaped body 192 is pressed against the first strip-shaped pressing portion 2013 and the second pressing portion 2112, so that the sample to be tested 30 is pressed and fixed. Between the first strip-shaped pressing portion 2013 and the second strip-shaped pressing portion 2113 and the first fixing block 190, wherein the four sixth bolts 182 The spring 183 is compressed so as always to support the first fixing block 190, and a buffer capable of fixing the first block 190 by outside forces.

When the position of the sample to be tested 30 is adjusted such that the other test strip 311 of the sample to be tested 30 is located at a predetermined position, the seventh bolt 184 can be loosened, and then the other test strip 311 of the sample to be tested 30 is moved. Preferably, the position is the same as the position of the measurement of the previous test strip 311, that is, the test strip 311 is placed at the middle of the first fixed block 190, and then the seventh bolt 184 is locked; The eighth bolt 2017 and the ninth bolt 2117 can be loosened, and then the second fixing block 200 and the third fixing block 210 are moved to make the sample 30 to be tested to a predetermined position, and then the eighth bolt is locked. 2017 and the ninth bolt 2117; the second bolt 1241 and the fourth bolt 1341 are also loosened, so that the first carrier 140 and the second carrier 150 can be in the first elongated slot 125 and the second Sliding in the slot 135, adjusting the position of the first carrier 140 and the second carrier 150 to the other test strip 311 of the sample 30 to be tested to a predetermined position, and then locking the second bolt 1241 and the fourth a bolt 1341 to fix the first carrier 140 and the second carrier 150; While adjusting the position of the test sample 30 of two or three of the above-described three methods.

Referring to Figure 11, a second embodiment of the present invention provides a peel strength testing device 40. The peel strength testing device 40 includes the above-described fixing device 10, a clamping device 410, a force measuring device 420, a motion control device 430, and a table 440. The first plate body 111 and the third plate body 113 of the fixing device 10 are respectively fixed on the table 440, and the fixing device 10 is used for clamping and fixing the sample 30 to be tested. The clamping device 410 includes a collet 411, a connecting member 412 connected to the collet 411, and a sliding rod 413 for clamping the pulling end 312 of the sample 30 to be tested, and is used for The test strip 311 is separated from the substrate 310 by a force, and the chuck 411 is disposed perpendicular to the second plate 112 of the fixing device 10 such that the chuck 411 is perpendicular to the sample to be tested 30. Therefore, the sample to be tested is balanced by force, the connecting member 412 is slidably mounted on the sliding rod 413 and movable along the sliding rod 413, and the sliding rod 413 is inclined, and the fixing device is The second plate 112 of 10 is at an angle of 45 degrees, so that when the sample to be tested is peeled off, the chuck 411 is displaced in both the vertical and horizontal directions, so that the chuck 411 is always in contact with the test piece. Sample 30 remains vertical. The force measuring device 420 includes a tension meter 421 connected to the connecting member 412 for sensing a tensile force value. The motion control device 430 is connected to the connecting member 412, and the motion control device 430 can control the connecting member 412 to move at a constant speed, so that the force of the test strip 311 of the sample to be tested 30 is uniform. Of course, the angle of the sliding bar 413 and the second plate 112 of the fixing device 10 may also be other inclined angles. In addition, the sliding bar 413 and the fixing device 10 can also be disposed perpendicularly. At this time, the fixing device 10 can be slidably mounted on the working table 440, wherein the sliding direction is the pulling end of the sample to be tested. The direction of motion in the horizontal direction.

When the peel strength testing device 40 is used, the position of the sample to be tested 30 is adjusted according to the above method, so that one test strip 311 of the sample to be tested 30 faces the chuck 411, and the chuck 411 is used to clamp the sample. Measuring the pulling end 312 of one of the test strips of the sample 30, adjusting the motion control device 430 to move the collet 411 at a uniform speed to peel off the test strip 311 of the sample to be tested 30, and obtaining the sample to be tested by the dynamometer 421 The peel strength between the test strip 311 of 30 and the substrate 310. The position of the sample to be tested 30 is adjusted by using the method of adjusting the position of the sample to be tested 30 as described in the first embodiment, and the peeling strength of the other parts to be tested of the sample to be tested 30 is continuously obtained.

Compared with the prior art, the peel strength testing fixture 10 and the peel strength testing device 40 of the present technical solution can be matched by the cooperation between the first fixing block 190, the second fixing block 200, and the third fixing block 210. The sample 30 is pressed and fixed; the position of the sample to be tested 30 can be moved by moving the sample to be tested 30 after the first fixed block 190 is loosened, or the sample to be tested is adjusted by moving the second fixed block 200 and the third fixed block 210. 30 positions, or sliding the first carrier 140 and the second carrier 150 to adjust the position of the sample to be tested 30, or the above method is performed simultaneously, and adjusting the position of the sample to be tested, for each test strip 311 During the test, it is ensured that each of the test strips 311 to be tested is located at a position opposite to the collet, which improves the accuracy of the test; the first fixing block 190 passes through the third recess 1903 and the second fixed block 200 and The second strip 203 and the third strip 213 of the third fixing block 210 are matched, so that the first fixing block 190 and the second fixing block 200 and the third fixing block 210 are better pressed; In the present invention, the width of the second strip-shaped pressing portion 2113 is greater than The width of the first strip-shaped pressing portion 2013 can be placed under the second strip-shaped pressing portion 2113 on one side of the width of the substrate 310 in the two sides of the test strip 311 to be tested. One of the narrow sides is placed under the first strip-shaped pressing portion 2013, so that the two sides of the test strip 311 to be tested are more uniformly stressed during the measurement, thereby further improving the test accuracy.

However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

10. . . Fixtures

11. . . Main body

111. . . First plate

112. . . Second plate

113. . . Third plate

1121. . . First surface

1122. . . Second surface

1123. . . Step slot

1124. . . First side

1125. . . First bottom

1126. . . Second side

1127. . . Second bottom

1128. . . Third side

1129. . . Third bottom

1130. . . Fourth side

1132. . . Through hole

1133. . . Second threaded hole

1134. . . First threaded hole

12. . . Installation department

120. . . First crimping piece

121. . . Third surface

122. . . Fourth surface

123. . . First screw hole

1231. . . First bolt

124. . . Second screw hole

1241. . . Second bolt

125. . . First narrow slot

130. . . Second pressing piece

131. . . Fifth surface

132. . . Sixth surface

133. . . Third screw hole

1331. . . Third bolt

134. . . Fourth screw hole

1341. . . Fourth bolt

135. . . Second narrow slot

140. . . First carrier

141. . . Fourth plate

1411. . . Seventh surface

1412. . . Eighth surface

142. . . Fifth plate

1421. . . Seventh side

1422. . . Eighth side

1423. . . First top surface

1425. . . First chute

1426. . . Fifth screw hole

1427. . . Sixth screw hole

150. . . Second carrier

1525. . . Second chute

1526. . . Seven screw hole

1527. . . Eight screw hole

16. . . Blocking

160. . . First stop

1601. . . Ninth screw hole

1602. . . First stop

1603. . . Fifth bolt

170. . . Second blocking member

1701. . . Tenth screw hole

1702. . . Second stop

1703. . . Eleventh bolt

18. . . Support

180. . . supporting item

181. . . Sixth plate

1801. . . Through hole

1803. . . Eleventh screw hole

1802. . . Twelfth screw hole

1804. . . Tenth bolt

182. . . Sixth bolt

1821. . . Nut

1822. . . Column

1823. . . Screw section

183. . . spring

184. . . Seventh bolt

190. . . First fixed block

191. . . Seventh plate

192. . . First strip

1901. . . Second top surface

1902. . . Fourth bottom

1903. . . Third groove

200. . . Second fixed block

201. . . Eighth plate

202. . . First limit

2011. . . Ninth surface

2012. . . Tenth surface

2016. . . Fourteenth screw hole

2017. . . Eighth bolt

2021. . . Ninth plate

2022. . . Tenth plate

204. . . Fourth groove

203. . . Second strip

2013. . . First piece of pressing

210. . . Third fixed block

211. . . Eleventh plate

212. . . Second limit

213. . . Third strip

2113. . . Second strip pressing

2116. . . Fifteenth screw hole

2117. . . Ninth bolt

30. . . Sample to be tested

310. . . Substrate

311. . . Test strip

312. . . Pull end

40. . . Peel strength tester

410. . . Clamping device

411. . . Chuck

412. . . Connector

413. . . Slider

420. . . Force measuring device

421. . . Rally meter

430. . . Motion control device

440. . . Workbench

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view showing a fixing device for peel strength test of the present invention.

Fig. 2 is a schematic view showing the main body portion of the fixing device for peel strength test of the present invention.

Fig. 3 is a schematic view showing the mounting portion of the fixing device for peel strength test of the present invention.

Fig. 4 is a view showing the barrier portion of the fixing device for peel strength test of the present invention.

Fig. 5 is a schematic view showing a support portion of a fixing device for peel strength test of the present invention.

Fig. 6 is a schematic view showing a fixing portion of a fixing device for peel strength test of the present invention.

Fig. 7 is a reverse view showing the fixing portion of the peeling strength test fixture of the present invention.

Fig. 8 is a schematic view of a sample to be tested for peel strength test of the present invention.

Fig. 9 is a schematic view showing the frontal assembly of the peeling strength test fixture of the present invention.

Fig. 10 is a schematic view showing the back side combination of the fixing device for peel strength test of the present invention.

Figure 11 is a schematic illustration of the peel strength test apparatus of the present invention.

10. . . Fixtures

111. . . First plate

112. . . Second plate

113. . . Third plate

1121. . . First surface

1122. . . Second surface

1127. . . Second bottom

120. . . First crimping piece

125. . . First narrow slot

130. . . Second pressing piece

135. . . Second narrow slot

140. . . First carrier

150. . . Second carrier

160. . . First stop

170. . . Second blocking member

182. . . Sixth bolt

184. . . Seventh bolt

190. . . First fixed block

200. . . Second fixed block

210. . . Third fixed block

30. . . Sample to be tested

310. . . Substrate

311. . . Test strip

Claims (12)

A fixture for fixing a sample to be tested during peel strength testing, including:
a main body portion, the main body portion includes a first plate body, and the first plate body has a first surface;
a first carrier, the first carrier includes a second plate, the second plate is fixedly disposed on the first surface and slidable relative to the main body;
a second carrier, the second carrier includes a third plate, the third plate is fixedly disposed on the first surface and disposed side by side with the first carrier, the third plate The body is slidable relative to the body portion;
a first fixing block, wherein two ends of the first fixing block are respectively fixed to the first carrier and the second carrier and are slidable relative to the first carrier and the second carrier; a second fixing block, the second fixing block is disposed in parallel with the first fixing block, and two ends of the second fixing block are respectively fixed on the first carrier and the second carrier and are opposite to the The first carrier and the second carrier slide, and the slidable direction of the second fixing block is the same as the slidable direction of the first fixing block, and the first fixing block and the second fixing block are used for fixing Measure the opposite sides of the sample. The fixing device of claim 1, wherein the second plate body has a first side perpendicular to the first surface, and the first side surface is provided with a first sliding groove, The third board has a second side opposite to the first side, and the second side is provided with a second sliding slot, the first fixing block includes a fourth board and is connected to the first board Two first limiting portions of the two ends of the four plates, the two first limiting portions are respectively partially received in the first sliding slot and the second sliding slot, and The first chute and the second chute slide. The fixing device of claim 2, wherein the second fixing block comprises a fifth plate body and two second limiting portions connected to both end portions of the fifth plate body, The two second limiting portions are respectively received in the first sliding slot and the second sliding slot, and are slidable along the first sliding slot and the second sliding slot. The two ends of the five plates may be respectively fixed to the first carrier and the second carrier. The fixing device of claim 1, wherein the first surface of the main body portion is provided with a first groove, and the first groove is located at the first carrier and the second carrier a third fixing block is disposed in the first groove and located between the first fixing block and the second fixing block and the main body portion, and a first screw is disposed at a center of the first groove a hole, a bolt is screwed into the first screw hole from the other side away from the first surface, the bolt is used to apply force to the third fixing block to fix the third fixing block Pressing with the first fixed block and the second fixed block. The fixing device of claim 4, wherein a plurality of second through holes are disposed around the first groove; and a plurality of second screw holes are disposed on the third fixed block, a plurality of second screw holes corresponding to the plurality of second through hole positions; the fixing device further includes a plurality of first bolts and a plurality of springs, the first bolts comprising a nut and a cylinder connected to the nut And a screw portion connected to the column, each of the column portions being sequentially disposed from the other side of the main body portion opposite to the first surface to the corresponding spring and the corresponding second portion In the through hole, one end of the spring abuts against the nut, the other end abuts against the main body portion, and the screw portion is screwed into the second screw hole. The fixing device of claim 4, wherein the first surface of the main body portion is provided with a first through hole, and the first through hole is located at the first carrier and the second carrier The fixing device further includes a plate-shaped support member, the support member is disposed on a second surface of the main body portion opposite to the first surface, and the support member and the first through hole are formed a first groove. The fixing device of claim 3, wherein the fourth plate body comprises a third surface, and the two first limiting portions respectively extend perpendicularly from opposite ends of the third surface, each Each of the first limiting portions is an L-shaped body, and includes a sixth plate body and a seventh plate body that are vertically connected, wherein the sixth plate body is perpendicularly connected to the fourth plate body, and the seventh plate body Parallel to the fourth plate body, the seventh plates of the two first limiting portions are respectively received in the first sliding slot and the second sliding slot and along the first sliding slot And sliding the second sliding slot; the fifth plate body includes a fourth surface, and the two second limiting portions respectively extend perpendicularly from opposite ends of the fourth surface, each of the two second The limiting portion is an L-shaped body, and includes an eighth plate body and a ninth plate body that are vertically connected, the eighth plate body is perpendicularly connected to the fifth plate body, and the ninth plate body and the fifth plate are vertically connected The ninth plate bodies of the two second limiting portions are respectively received in the first sliding slot and the second sliding slot, and are along the first sliding slot and the second sliding Slide. The fixing device of claim 7, wherein the third surface of the fourth plate body vertically extends a plurality of first strips, the plurality of first strips being parallel to each other Forming a plurality of second grooves between the plurality of first strips; a plurality of second strips extending perpendicularly on the fourth surface of the fifth plate, the plurality of second strips The number and the position are the same as the number and position of the plurality of first strips, and a plurality of third grooves are formed between the plurality of second strips; and the third fixed block is provided with a plurality of a third strip, the number and position of the plurality of third strips are the same as the number and position of the second grooves, and the plurality of third strips are accommodated in the second recess In the groove and the third groove, the first strip and the second strip may slide relative to the third strip. The fixing device of claim 8, wherein the two first limiting portions and the plurality of first strips are located on the same side of the third surface of the fourth plate body, And the contact length of the two first limiting portions with the third surface and the contact length of the plurality of first strips and the third surface are the same and smaller than the width of the third surface, thereby Forming a first pressing portion of the strip on the other side of the third surface, the first pressing portion for pressing one side of the sample to be tested; the two second limiting portions and the a plurality of second strips are located on the same side of the fourth surface of the fifth plate body, and a contact length of the two second limiting portions with the fourth surface and the plurality of second strips The contact length of the shape with the fourth surface is the same and smaller than the width of the third surface, so that the other side of the fourth surface forms a strip-shaped second pressing portion, and the second pressing portion Opposite the first pressing portion, the second pressing portion is for pressing the opposite side of the sample to be tested, in the plurality of first The width of the first pressing portion is smaller than the width of the second pressing portion in the extending direction of the strip. The fixing device of claim 1, wherein the fixing device further comprises a first blocking member and a second blocking member, wherein the two ends of the first blocking member are respectively fixed to the first carrier member And the second carrier member is respectively fixed on the first carrier member and the second carrier member, and the first blocking member is disposed in parallel with the second blocking member. The first fixing block and the second fixing block are disposed between the first blocking member and the second blocking member, and the first blocking member and the second blocking member are configured to block the first fixing block And the second fixing block slides out of the first sliding slot and the second sliding slot. The fixing device of claim 1, wherein a stepped groove is disposed at an intermediate position of the first surface, and an inner surface of the stepped groove includes a first side, a first bottom surface, and a second a side surface, a second bottom surface, a third side surface, a third bottom surface, and a fourth side surface, wherein the first bottom surface is coplanar with the third bottom surface, and the second bottom surface is located below the first bottom surface, a bottom surface, a second side surface and a second bottom surface form a step, wherein the second bottom surface, the third side surface and the third bottom surface also form a step; the fixing device further comprises a first pressing member and a second pressing member The first pressing member is fixed on the first bottom surface, and a width of the first pressing member in a direction perpendicular to the first side surface is greater than a width of the first bottom surface, thereby making the first The pressing member protrudes from the second side surface in a direction parallel to the second bottom surface, so that the first pressing member and the second side surface and the second bottom surface together form a first elongated slot. The second pressing member is fixed on the third bottom surface, and the second pressing The width of the workpiece in a direction perpendicular to the fourth side surface is greater than the width of the third bottom surface, so that the second pressing member protrudes in a direction parallel to the second bottom surface to protrude from the third side surface, The second pressing member and the third side surface and the second bottom surface together form a second elongated slot; the first carrier further includes a sixth board vertically connected to the first board The sixth plate body is received in the first elongated slot, the sixth plate body is fixed in the first elongated slot and slidable along the first elongated slot; the second carrier And a seventh plate body vertically connected to the second plate body, wherein the seventh plate body is received in the first elongated slot, and the seventh plate body is fixed in the second elongated slot and It is slidable along the first elongated slot. A peel strength testing device comprising a work bench;
A fixing device according to any one of claims 1 to 11, wherein the fixing device is fixed to the table, and the fixing device is for clamping and fixing a sample to be tested;
a clamping device comprising a collet, a connecting member connected to the collet, and a sliding bar for holding one end of the sample to be tested, the connecting member being slidably mounted on The slide bar is movable along the slide bar, and the slide bar is inclined at a predetermined angle with the fixing device, so that when the sample to be tested is peeled off, the chuck is vertically and horizontally Displacement such that the direction of peeling of the collet to the sample to be tested is always perpendicular to the fixture;
a force measuring device, the force measuring device comprising a tension meter, the tension meter being connected to the connecting member for sensing a tensile force value;
A motion control device is coupled to the connector, the motion control device for controlling movement of the connector.