CN115901518B - BOPP film wearability check out test set - Google Patents

Abstract

The invention relates to the technical field of BOPP film detection, in particular to a BOPP film wear resistance detection device, comprising: a detection base plate and a fixing group, the fixing group is installed on the top of the detection base plate, and the fixing group is used to fix both ends of the film. When the invention detects the wear resistance of the film, through the rotation of the adjustment shaft on the fixed group, the full reel, the middle reel and the end reel on both sides of the cylindrical friction member are matched correspondingly, and then the tension position is detected At the same time, the wear resistance of the film provides more accurate test results for the film under various use requirements, and before the test, the surface of the film close to the cylindrical friction part is cleaned by the cleaning group to prevent the film from being cut The impurities adhered during the moving process affect the accuracy of the film abrasion resistance test results.

Description

A BOPP film wear resistance testing equipment

technical field

The invention relates to the technical field of BOPP film detection, in particular to a BOPP film wear resistance detection device.

Background technique

BOPP film is widely used in the packaging of bread, clothes, shoes and socks, as well as the cover packaging of cigarettes and books. The friction between BOPP film and machinery in the process of packaging items is easy to cause scratches. The friction between them will produce scratches. For the packaging of cigarettes, books and other covers, these scratches will greatly affect the aesthetics and easily reduce consumers' desire to buy. Therefore, the abrasion resistance of BOPP films will be tested before use.

In different use scenarios, the BOPP film is used in different positions of force, and the wear situation is also very different. However, the existing detection method for the wear resistance of BOPP film is single, and it is difficult to give the wear resistance of BOPP film when different positions are stressed. The results of the wear resistance test, and before the BOPP film is tested, the surface of the BOPP film is prone to adhere to impurities during the cutting and moving process, and these impurities will affect the accuracy of the wear resistance test of the BOPP film.

Contents of the invention

In order to solve the above problems, the present invention adopts the following technical solutions. A BOPP film wear resistance testing device includes: a detection base plate, a fixing group is installed on the top of the detection base plate, and the fixing group is used to fix the two ends of the film.

The top of the detection base plate is installed with a fixed lug plate, and the fixed lug plate is rotatably connected with a rotating shaft with a hollow structure. Disassemble the connected cylindrical friction piece, which is used to rub the film to detect the wear resistance of the film.

A cleaning group for cleaning the film is installed on the fixed ear plate.

The fixed group includes fixed plates arranged in a rectangular shape installed on the top of the detection base plate, an adjustment shaft is rotatably connected between the two fixed plates arranged along the width direction of the detection base plate, the rotation axis is located between the two adjustment shafts, and the adjustment shaft Three sets of connecting plates arranged along its circumference are installed on the side wall, each set of connecting plates is composed of two connecting plates arranged symmetrically along the axis of the adjustment axis, and the two connecting plates in each group are connected by a rotating connection The three connecting shafts on each adjustment shaft are respectively equipped with a full reel, a middle reel, and two end reels. The two end reels are arranged axially symmetrically along one of the connecting shafts. The middle reel is located at In the middle of one of the connecting shafts adjacent to the end reel, the two ends of the middle reel are located between the two end reels. Pre-fixed components are installed on the whole reel, the middle reel and the end reel, and the detection of the bottom plate The top is equipped with an electric telescopic rod symmetrically arranged along its length direction. The telescopic end of the electric telescopic rod is equipped with arc-shaped backing plates located on both sides of the rotating shaft. Any one of them can be used to fix the two ends of the film arranged along its length direction, and a locking assembly for locking the position of the connecting plate is installed on the fixing plate.

Preferably, the inner ring surface of the cylindrical friction member is equipped with uniformly arranged cutting strips, slots are opened on the rib plate, and the cutting strips go through the slots, and one of the cutting strips passes through the nut and the cutting strips after passing through the slot. The thread fits for fixing, and the rest of the inserts and the slots are plug-fitted. The top of the detection base plate is installed with a support frame symmetrically arranged along its length direction. A receiving plate that slides up and down is installed between the receiving plate and the bottom of the pull-down groove through a jacking spring. The middle part of the receiving plate is provided with a receiving groove for receiving the end of the rotating shaft away from the fixed ear plate. Two supporting frames A locking rod is installed on the end face far away from the receiving plate through a threaded fit, and the locking rod penetrates through the pull-down groove and is connected with the end of the receiving plate through a threaded fit.

Preferably, the cleaning group includes a symmetrically arranged L-shaped frame installed on both sides of the fixed ear plate. The opposite surface of the L-shaped frame and the support frame is jointly installed with a top support column that slides up and down, and there is a connection between the two top support columns. A receiving box that slides along its axial direction, and a cleaning cotton wiping board is installed on the receiving box.

Preferably, the pre-fixed assembly includes telescopic grooves provided on the full reel, the middle reel, and the two end reels, an L-shaped pull plate is slidably connected to the telescopic groove, and the opposite surfaces of the L-shaped pull plate and the telescopic groove are A magnet is installed, and the magnetism of the two magnets is opposite. A return spring is connected between the end face of the L-shaped pull plate away from the magnet and the telescopic groove. The ends of the film are crimped in place.

Preferably, the locking assembly includes a support bar installed on the end surface of the fixed plate close to the rotating shaft, a sliding groove is provided on the end surface of the support bar close to the adjustment shaft, and a post is slidably connected in the sliding groove, and the lower end surface of the support bar is provided with There is a mounting groove, and a guide wheel is rotatably connected in the mounting groove. A rope is installed at the bottom of the post. The rope passes through the installation groove and then bypasses the guide wheel. The bottoms of the two ropes arranged along the width direction of the detection bottom plate are connected by a pressure plate, and four guide plates arranged in a matrix are installed on the top of the detection bottom plate, and the pressure plate is connected with two guide plates arranged along the width direction of the detection bottom plate , and slide up and down along the guide plate, one end of the pressure plate runs through the guide plate, the pressure plate and the guide plate are connected by a compression spring, and the connecting plate is provided with a jack for plugging and matching with the post.

Preferably, a guide box located directly below the cylindrical friction member is installed on the detection base plate through a support block, and a cleaning brush roller for cleaning the outer side wall of the cylindrical friction member is rotatably connected to the guide box.

Preferably, a fixing base is installed on the end of the support bar away from the fixing plate, and a stopper is installed on the end surface of the fixing base close to the adjustment shaft through a torsion spring rod.

Preferably, the end of the rib plate away from the rotating shaft is rollingly connected with a ball.

The beneficial effects of the present invention are: 1. A kind of BOPP film wear resistance testing equipment designed by the present invention, when carrying out wear resistance test to film, through the rotation of the adjusting shaft on the fixed group, make the cylinder friction part two The full reel on the side, the middle reel and the end reel are correspondingly matched to detect the wear resistance of the film when the tension position is different, providing more accurate detection results for the film under various use requirements, and before the detection , the surface of the film close to the cylindrical friction part is cleaned by the cleaning group to prevent the impurities adhered to the film during the cutting and moving process from affecting the accuracy of the film wear resistance detection.

2. In the present invention, after the film is inserted between the full reel/middle reel/end reel, the arc-shaped pressure plate is released, and the arc-shaped pressure plate and the L-shaped pull plate are attracted by the magnetic force of the magnet and the elastic reset action of the return spring. The side wall of the full reel/middle reel/end reel is close until the end of the film is clamped and fixed, and then the connecting shaft is rotated to wind and tighten the end of the film along its length direction, and the film is tensioned The convenience at the time of fixing is high.

3. The reversing shaft in the present invention drives the cleaning brush roller to rotate through the meshing between the two gears, and then cleans up the film debris adhering to the outer wall of the cylindrical friction member to prevent the debris from affecting the friction of the cylindrical friction member. The abrasion effect of the film.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a schematic diagram of the first three-dimensional structure of the present invention.

Fig. 2 is an enlarged view of A in Fig. 1 of the present invention.

Fig. 3 is a structural schematic diagram of the fixing seat and the stopper of the present invention.

Fig. 4 is a schematic diagram of a second three-dimensional structure of the present invention.

Figure 5 is a top view of the present invention.

Fig. 6 is a B-B sectional view of Fig. 5 of the present invention.

Fig. 7 is an enlarged view of D in Fig. 6 of the present invention.

Fig. 8 is a sectional view along line C-C of Fig. 5 of the present invention.

Fig. 9 is an enlarged view of E in Fig. 8 of the present invention.

In the figure: 1. Detection bottom plate; 10. Guide slide box; 11. Cleaning brush roller; 2. Fixed group; 20. Fixed plate; 21. Adjusting shaft; 22. Connecting plate; 23. Connecting shaft; 25, middle reel; 26, end reel; 27, pre-fixed assembly; 270, L-shaped pull plate; 271, magnet; 272, return spring; 273, arc pressure plate; 28, electric telescopic rod; 29, 201, support bar; 202, sliding groove; 203, inserting column; 204, guide wheel; 205, rope; 206, push spring; 207, pressure plate; 208, guide plate; 209, jack; 210, fixed seat; 211, block; 3, film; 4, fixed ear plate; 5, rotating shaft; 6, rib plate; 60, ball; 72, receiving plate; 73, jacking spring; 74, locking lever; 8, cleaning group; 80, L-shaped frame; 81, top support column; 82, receiving box;

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

Referring to Fig. 1, Fig. 4, Fig. 5 and Fig. 6, a kind of BOPP film abrasion resistance detection equipment comprises: detection bottom plate 1, and the top of detection bottom plate 1 is equipped with fixed group 2, and fixed group 2 is used for the two sides of film 3 end fixed.

A fixed ear plate 4 is installed on the top of the detection base plate 1, and a rotating shaft 5 with a hollow structure is rotatably connected to the fixed ear plate 4. The outer wall of the rotating shaft 5 is equipped with uniformly arranged ribs 6, and the rotating shaft 5 is sleeved There is a cylindrical friction member 7 detachably connected to the inner wall and the rib plate 6 , and the cylindrical friction member 7 is used to rub the film 3 to detect the wear resistance of the film 3 .

A cleaning group 8 for cleaning the film 3 is installed on the fixed ear plate 4 .

Referring to Fig. 1, Fig. 4, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the fixed group 2 includes a rectangular fixed plate 20 installed on the top of the detection base plate 1, and two fixed plates arranged along the width direction of the detection base plate 1. Between the two fixed plates 20, an adjustment shaft 21 is rotatably connected, and the rotation shaft 5 is located between the two adjustment shafts 21. The side walls of the adjustment shaft 21 are equipped with three groups of connecting plates 22 arranged along its circumference, and each group of connecting plates 22 is composed of two connecting plates 22 arranged axially symmetrically along the adjusting shaft 21, and connecting shafts 23 are rotatably connected between the two connecting plates 22 in each group, and the three connecting shafts 23 on each adjusting shaft 21 are respectively A full reel 24, a middle reel 25, and two end reels 26 are sleeved. The two end reels 26 are axially symmetrically arranged along one of the connecting shafts 23, and the middle reel 25 is located adjacent to the end reel 26. In the middle of one of the connecting shafts 23, the two ends of the middle reel 25 are located between the two end reels 26, the full reel 24, the middle reel 25 and the end reels 26 are all provided with a pre-fixed assembly 27, and the detection base plate 1 The top of the top is equipped with an electric telescopic rod 28 symmetrically arranged along its length direction, and the telescopic end of the electric telescopic rod 28 is equipped with an arc-shaped backing plate 29 positioned at both sides of the rotating shaft 5, and the arc-shaped backing plate 29 is connected with the full reel 24, the middle Cooperating with any one of the reel 25 and the end reel 26, both ends of the film 3 can be fixed, and the fixing plate 20 is equipped with a locking assembly for locking the position of the connecting plate 22 .

Between the adjusting shaft 21 and the rotating shaft 5 is a film 3 locking station. The end of the rotating shaft 5 penetrates the fixed ear plate 4 and is connected to the external drive motor that drives it to rotate. When the two adjusting shafts 21 are manually driven to rotate The full reel 24, the middle reel 25, and the end reel 26 are switched to perform wear resistance testing when tensioning different positions at both ends of the film 3, expanding the comparison range of the film 3 wear resistance. The specific detection process is as follows :

During the overall inspection: when the two full reels 24 are rotated to the locking positions of the two films 3, the two ends of the film 3 are fixed by the pre-fixed assembly 27 on the full reels 24, and then the two full reels are rotated together with the full reels. 24 is connected to the rotating disk at the upper end of the connecting shaft 23, the rotating disk drives the full reel 24 to rotate, the two ends of the film 3 are neatly tensioned under the winding action of the two full reels 24, and then the electric telescopic rod 28 drives the arc The abutment plate 29 moves upward to press the film 3 against the full reel 24, and at the same time, the full reel 24 is pressed against the position to prevent the connecting shaft 23 from driving the full reel 24 and the film 3 to rotate during the wear resistance test. The movement affects the wear resistance detection of the film 3, and then the rotating shaft 5 drives the cylindrical friction member 7 to rotate to rub the fixed film 3, because the two ends of the film 3 arranged along its length direction are evenly tensioned and fixed, Therefore, the wear of the film 3 by the cylindrical friction member 7 is in a uniform state. After rotating the set number of times, confirm whether the film 3 is damaged. If there is damage, the wear resistance of the film 3 is not up to the standard. Abrasion resistance up to standard.

During edge detection: drive the two adjustment shafts 21 to rotate by turning the rotating disk on the two adjustment shafts 21, rotate the connecting shaft 23 connected with the end reel 26 on the adjustment shaft 21 to the locking position of the film 3, and then pass the lock The tightening assembly locks and fixes the connecting plate 22, and then fixes the four end corners of the film 3 through the pre-fixed assembly 27 on the four end reels 26, and then rotates the connecting shaft 23 connected to the end reel 26, and the connecting shaft 23 drives the end reel 26 to rotate to tighten the film 3, and then the electric telescopic rod 28 pushes the arc-shaped support plate 29 to move upwards, pressing the film 3 against the end reel 26, and also restricts the rotation of the end reel 26. At this time, the two sides of the film 3 arranged axially along the cylindrical friction member 7 are in a tensioned state, while the middle part of the film 3 is in a suspended state, so that during the friction process of the cylindrical friction member 7 rotating against the film 3, it is possible to detect The abrasion resistance of the film 3 when the four corners of the film 3 are tensioned.

When detecting the middle part: drive the connecting shaft 23 connected with the middle reel 25 to rotate to the film 3 locking station, and lock the position of the middle reel 25 through the locking assembly, and then pass the pre-fixed assembly on the middle reel 25 27 pre-fix the middle parts of the two ends of the film 3 arranged along its length direction, and wind the two ends of the film 3, and limit the rotation of the centering reel 25 through the arc-shaped support plate 29, so that the film 3 The middle part is in a tensioned state, and the four end corners are in a suspended state, and then the cylindrical friction member 7 is rotated to rub the film 3, and the wear resistance of the middle parts of the two ends arranged along the length direction of the film 3 is tested when the film 3 is tightened.

In the above detection process, after the pre-fixing component 27 fixes the two ends of the film 3 arranged along its length direction, the end surface of the film 3 close to the cylindrical friction member 7 is cleaned by the cleaning group 8 to prevent the film 3 from sticking. The attached impurities affect the accuracy of the wear resistance detection of the thin film 3 .

After the pre-fixing assembly 27 fixes the two ends of the film 3 arranged along its length direction, the external drive slider connected to the end of the top support column 81 drives the two top support columns 81 to move upwards, and the middle part of the film 3 groove is lifted up. , so that the middle part of the film 3 is in a horizontal state, and then the external guide electric slider connected with the receiving box 82 drives the receiving box 82 and the cleaning cotton wiper 83 to move along the top support column 81, and the cleaning cotton wiper 83 is in the process of moving Clean the surface of the film 3 in contact with the cylindrical friction member 7 in order to prevent the impurities adhering to the film 3 in the process of cutting or moving, which will affect the accuracy of the wear resistance detection of the film 3 .

Referring to Fig. 4, Fig. 5 and Fig. 6, the inner ring surface of the cylindrical friction member 7 is equipped with plug strips 70 evenly arranged, and slots are opened on the rib plate 6, and the plug strips 70 pass through the slots, and one of the plug strips After the strip 70 penetrates the slot, a nut is fixed by a threaded fit, and the rest of the insert strips 70 and the slot are inserted and matched, so as to facilitate the disassembly of the cylindrical friction member 7, and the top of the detection base plate 1 is installed with a The support frame 71 arranged symmetrically in the direction, the opposite surface of the two support frames 71 is provided with a drop-down groove, and a receiving plate 72 sliding up and down is installed between the two drop-down grooves, and the bottom of the receiving plate 72 and the drop-down groove is lifted The spring 73 is connected, and the middle part of the receiving plate 72 is provided with a receiving groove for receiving the end of the rotating shaft 5 away from the fixed ear plate 4, and the end faces of the two support frames 71 away from the receiving plate 72 are installed with a locking rod 74 through threaded fit. , the locking rod 74 passes through the pull-down groove and is connected with the end of the receiving plate 72 through threaded fit.

When the cylindrical friction member 7 needs to be replaced or repaired, the locking rod 74 is disengaged from the receiving plate 72 by rotating the locking lever 74, and then the receiving plate 72 is pressed down, the jacking spring 73 shrinks, and then the nut is removed from the insertion strip. Take off on 70, then move cylinder friction piece 7, just cylinder friction piece 7 can be taken off and replaced.

Referring to Fig. 1, Fig. 2, Fig. 4 and Fig. 6, the cleaning group 8 includes a symmetrically arranged L-shaped frame 80 installed on both sides of the fixed ear plate 4, and the upper and lower sides of the L-shaped frame 80 and the opposite surface of the support frame 71 are jointly installed. Sliding top support pillars 81, between the two top support pillars 81 are connected a receiving box 82 sliding along its axial direction, and a cleaning cotton wiping plate 83 is installed on the receiving box 82.

Referring to Fig. 6, the end of the rib plate 6 away from the rotating shaft 5 is rollingly connected with a ball 60. When the cylindrical friction piece 7 is replaced, the ball 60 is used to reduce the friction between the inner wall of the cylindrical friction piece 7 and the rib plate 6. The frictional force facilitates the movement of the cylindrical friction member 7.

Referring to Fig. 7, the pre-fixed assembly 27 includes telescopic grooves provided by the full reel 24, the middle reel 25 and the two end reels 26, and an L-shaped pull plate 270 is slidably connected in the telescopic groove, and the L-shaped pull plate 270 Magnets 271 are installed on the opposite surface of the telescopic groove, and the magnetism of the two magnets 271 is opposite. A return spring 272 is connected between the end face of the L-shaped pull plate 270 away from the magnet 271 and the telescopic groove, and the L-shaped pull plate 270 is far away from the telescopic groove. An arc-shaped pressing plate 273 is installed at one end thereof, and the arc-shaped pressing plate 273 is used to compress and fix the end of the film 3 .

When pre-fixing the film 3, pull the arc buckle installed on the side of the arc-shaped pressing plate 273 away from the rotating shaft 5, so that the arc-shaped pressing plate 273 drives the magnet 271 on the L-shaped pulling plate 270 and the magnet 271 in the telescopic groove disengaged, while the return spring 272 is squeezed and shrunk, then the end of the film 3 is inserted between the arc pressure plate 273 and the full reel 24/middle reel 25/end reel 26, and then the arc buckle is released to make the arc The shape pressing plate 273 and the L-shaped pulling plate 270 are close to the side wall of the full reel 24/middle reel 25/end reel 26 under the magnetic force adsorption of the magnet 271 and the elastic reset effect of the return spring 272, until the end of the film 3 Clamp and fix, and then rotate the connecting shaft 23 to wind and tighten the end of the film 3, thereby improving the convenience of the fastening timing of the three films.

4, FIG. 5, FIG. 6, FIG. 8 and FIG. 9, the locking assembly includes a support bar 201 installed on the end surface of the fixed plate 20 close to the rotating shaft 5, and the end surface of the support bar 201 close to the adjustment shaft 21 is provided with a slip Groove 202, slidingly connected with inserting column 203 in sliding groove 202, the lower end surface of support bar 201 is provided with installation groove, and guide wheel 204 is connected with rotation in the installation groove, rope 205 is installed on the bottom of inserting column 203, and rope 205 runs through installation After the groove, the guide wheel 204 is bypassed, and a push spring 206 sleeved on the rope 205 is installed between the post 203 and the support bar 201. The bottoms of the two ropes 205 arranged along the width direction of the detection base plate 1 pass through the pressure plate 207. connection, four guide plates 208 arranged in a matrix are installed on the top of the detection base 1, and the pressure plate 207 is connected with two guide plates 208 arranged along the width direction of the detection base 1, and slides up and down along the guide plates 208, and the pressure plate 207 One end of them runs through the guide plate 208, and the pressure plate 207 and the guide plate 208 are connected by a compression spring. The connecting plate 22 is provided with a socket 209 which is plugged and matched with the post 203.

Step on the pressing plate 207 with the artificial foot, so that the pressing plate 207 pulls the insertion post 203 to move in the sliding groove 202 through the rope 205, and the insertion post 203 breaks away from the jack 209 that is inserted therewith. , and then rotate the adjustment shaft 21 to adjust the position of the full reel 24/middle reel 25/end reel 26, when the corresponding full reel 24/middle reel 25/end reel 26 rotates until the film 3 is locked During the working position, the pressing plate 207 is released, and the pressing plate 207 moves upward under the elastic force of the compression spring, and the inserting post 203 pushes the inserting post 203 to be inserted into the corresponding jack 209 under the elastic reset action of the push-inserting spring 206, so that the corresponding The corresponding connecting plate 22 is locked.

Referring to Fig. 1, Fig. 3 and Fig. 5, the end of the support bar 201 away from the fixed plate 20 is equipped with a fixed seat 210, and the end surface of the fixed seat 210 close to the adjustment shaft 21 is equipped with a stopper 211 through a torsion spring rod, and the adjustment shaft 21 is adjusted. When rotating and adjusting, the stopper 211 can carry out positioning to the connecting plate 22, so that the insertion post 203 can be accurately inserted in the insertion hole 209, and when the adjustment shaft 21 continues to rotate, the connecting plate 22 can squeeze the stopper 211, so that the stopper The block 211 rotates, and when the connecting plate 22 no longer squeezes the block 211, the block 211 resets under the elastic force of the torsion spring.

Referring to Fig. 4 and Fig. 6, a guide box 10 located directly below the cylindrical friction member 7 is installed on the detection base plate 1 through a support block, and the guide box 10 is rotatably connected to clean the outer wall of the cylindrical friction member 7 The cleaning brush roller 11 of the cleaning brush roller 11 is connected with a reversing shaft in rotation on the fixed ear plate 4, and one end of the cleaning brush roller 11 runs through the fixed ear plate 4, and gears are fixedly set on the cleaning brush roller 11 and the reversing shaft. Two gears engage and drive, the reversing shaft and the rotating shaft 5 are connected through a belt drive, the rotating shaft 5 drives the reversing shaft to rotate through the belt during the rotation, and the reversing shaft drives the cleaning brush roller 11 through the meshing between the two gears Rotate, the cleaning brush roller 11 rotates to clean up the film debris adhering to the outer wall of the cylindrical friction member 7, and the debris slides down along the guide box 10 and is discharged.

During the specific work, during the overall inspection: when the two full reels 24 rotate to the two film 3 locking stations, the two ends of the film 3 are fixed by the pre-fixed assembly 27 on the full reels 24, and then rotate the two The rotating disk at the upper end of the connecting shaft 23 connected with the full reel 24, the rotating disk drives the full reel 24 to rotate, and the two ends of the film 3 are neatly tensioned under the winding action of the two full reels 24, and then the electric telescopic rod 28 drives the arc-shaped support plate 29 to move upwards to press the film 3 on the full reel 24, and also to limit the rotation of the full reel 24 to prevent the connecting shaft 23 from driving the full reel during the wear resistance test. 24 and the film 3 are rotated and moved to affect the wear resistance detection of the film 3, and then the rotating shaft 5 drives the cylindrical friction member 7 to rotate to rub the fixed film 3, because the two ends of the film 3 arranged along its length Obtain uniform tension and fixation, so the wear of the film 3 by the cylindrical friction member 7 is in a uniform state. After turning the set number of turns, confirm whether the film 3 is damaged. If there is damage, the wear resistance of the film 3 is not up to the standard. If If no breakage occurs, the abrasion resistance of the film 3 is up to the standard.

During edge detection: drive the two adjustment shafts 21 to rotate by turning the rotating disk on the two adjustment shafts 21, rotate the connecting shaft 23 connected with the end reel 26 on the adjustment shaft 21 to the locking position of the film 3, and then pass the lock The tightening assembly locks and fixes the connecting plate 22, and then fixes the four end corners of the two ends of the film 3 through the pre-fixed assembly 27 on the four end reels 26, and then rotates the connecting shaft 23 connected to the end reels 26 to connect The shaft 23 drives the end reel 26 to rotate to tighten the film 3, and then the electric telescopic rod 28 pushes the arc-shaped support plate 29 to move upward, pressing the film 3 against the end reel 26, and at the same time, the end reel 26 rotates. Position limit, at this time, the film 3 is in a tensioned state along the two sides of the axial arrangement of the cylindrical friction member 7, and the middle part of the film 3 is in a suspended state, so that during the friction process of the cylindrical friction member 7 rotating against the film 3, it can The abrasion resistance of the film 3 is detected when the four corners of the film 3 are tensioned.

When detecting the middle part: Repeat the above steps, turn the connecting shaft 23 that drives the middle reel 25 to the film 3 locking station, and lock the position of the middle reel 25 through the locking assembly, and then pass the middle reel 25. The pre-fixing assembly 27 pre-fixes the middle part of the two ends of the film 3 arranged along its length direction, winds the two ends of the film 3, and limits the rotation of the middle drum 25 through the arc-shaped contact plate 29, so that The middle part of the film 3 is in a tensioned state, and the four end corners are in a suspended state, and then the cylindrical friction member 7 is rotated to rub against the film 3, and when the middle parts of the two ends of the film 3 arranged along its length direction are tensioned, the film 3 abrasion resistance.

In the above detection process, after the pre-fixing assembly 27 fixes the two ends of the film 3 arranged along its length direction, the end surface of the film 3 close to the cylindrical friction member 7 is cleaned by the cleaning group 8 to prevent the film 3 from sticking The impurities affect the accuracy of the wear resistance detection of the film 3.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. a kind of BOPP film wear resistance detection equipment, comprising: detection base plate (1), it is characterized in that, the top of detection base plate (1) is equipped with fixed group (2), and fixed group (2) is used for film (3) ) are fixed at both ends; A fixed ear plate (4) is installed on the top of the detection base plate (1), and a rotating shaft (5) with a hollow structure is rotatably connected to the fixed ear plate (4). The outer wall of the rotating shaft (5) is equipped with evenly arranged The rib plate (6), the rotating shaft (5) is provided with a cylindrical friction member (7) detachably connected to the inner wall and the rib plate (6), and the cylindrical friction member (7) is used to carry out Abrasion resistance of the friction detection film (3); A cleaning group (8) for cleaning the film (3) is installed on the fixed ear plate (4); The fixed group (2) includes a rectangular fixed plate (20) installed on the top of the detection base plate (1), and two fixed plates (20) arranged along the width direction of the detection base plate (1) are rotatably connected with The adjustment shaft (21), the rotation shaft (5) is located between the two adjustment shafts (21), the side wall of the adjustment shaft (21) is equipped with three groups of connecting plates (22) arranged along its circumference, and each group is connected The plate (22) is made up of two connecting plates (22) arranged symmetrically along the axis of the adjustment shaft (21), and a connecting shaft (23) is connected between the two connecting plates (22) in each group. Three connecting shafts (23) on the shaft (21) are respectively sleeved with a full reel (24), a middle reel (25), two end reels (26), and the two end reels (26) along the One of the connecting shafts (23) is axially symmetrically arranged, the middle drum (25) is located in the middle of one of the connecting shafts (23) adjacent to the end drum (26), and the two ends of the middle drum (25) are located at two Between the end reels (26), the full reel (24), the middle reel (25) and the end reel (26) are all provided with a pre-fixed component (27), and the top of the detection base plate (1) is installed with a The electric telescopic link (28) that its length direction is arranged symmetrically, the telescoping end of electric telescopic link (28) is equipped with the arc that is positioned at the rotating shaft (5) both sides arc back plate (29), and arc back plate (29) is connected with full body. Any one of the reel (24), the middle reel (25) and the end reel (26) can cooperate to fix the two ends of the film (3) arranged along its length direction, and the fixed plate (20) A locking assembly that locks the position of the connecting plate (22) is installed on the top. 2. A BOPP film wear resistance detection device according to claim 1, characterized in that: the locking assembly includes a support bar (201) installed on the end face of the fixed plate (20) close to the rotating shaft (5), supporting The end surface of the bar (201) close to the adjustment shaft (21) is provided with a sliding groove (202), and a post (203) is slidably connected to the sliding groove (202), and the lower end surface of the support bar (201) is provided with a mounting groove. A guide wheel (204) is rotatably connected in the installation groove, and a rope (205) is installed at the bottom of the post (203). A push spring (206) sleeved on the rope (205) is installed between (201), and the bottoms of the two ropes (205) arranged along the width direction of the detection base plate (1) are connected by a pressing plate (207), Four guide plates (208) arranged in a matrix are installed on the top of the detection base plate (1), and the pressure plate (207) is connected with the two guide plates (208) arranged along the width direction of the detection base plate (1). The guide plate (208) slides up and down, and one end of the pressing plate (207) runs through the guide plate (208). The post (203) is plugged into the mating socket (209). 3. according to the described a kind of BOPP film wear resistance detection equipment of claim 1, it is characterized in that: the inner ring surface of described cylinder friction member (7) is equipped with evenly arranged cutting strips (70), rib plate ( 6) There are slots on the top, and the insertion strips (70) run through the slots, and one of the insertion strips (70) is threaded through the slots to install nuts, and the top of the detection base plate (1) is installed with symmetrical Arranged bracing frame (71), the opposite surface of two bracing frames (71) is provided with drop-down groove, is jointly installed with the receiving plate (72) that slides up and down between two drop-down grooves, the receiving plate (72) and the drop-down groove The bottoms are connected by jacking springs (73), and the middle part of the receiving plate (72) is provided with a receiving groove for receiving the end of the rotating shaft (5) away from the fixed ear plate (4), and the two supporting frames (71) are far away from the The end face of receiving plate (72) is equipped with locking rod (74) by the mode of screw fit, and locking rod (74) is connected with the end of receiving plate (72) by the mode of screw fitting after running through the pull-down groove. 4. A kind of BOPP film abrasion resistance detection equipment according to claim 3, is characterized in that: described cleaning group (8) comprises the symmetrically arranged L-shaped frame (80) that fixed ear plate (4) both sides are installed, The opposite surface of the L-shaped frame (80) and the support frame (71) is jointly installed with a top support column (81) that slides up and down, and a receiving box (82) that slides along its axial direction is connected between the two top support columns (81). ), a cleaning cotton wiping plate (83) is installed on the receiving box (82). 5. A BOPP film wear resistance testing device according to claim 1, characterized in that: the pre-fixed assembly (27) includes a full reel (24), a middle reel (25) and two end reels (26) the telescopic slots that are all offered, the telescopic slots are slidably connected with L-shaped pull plates (270), and the opposite faces of the L-shaped pull plates (270) and the telescopic slots are equipped with magnets (271), two magnets (271) The magnetism of L-shaped pull plate (270) is connected with return spring (272) between the end face far away from magnet (271) and the telescopic groove, and the end of L-shaped pull plate (270) away from the telescopic groove is equipped with an arc-shaped pressing plate ( 273), the arc-shaped pressing plate (273) is used to compress and fix the end of the film (3). 6. A kind of BOPP film abrasion resistance detection equipment according to claim 1, is characterized in that: the guide box ( 10), a cleaning brush roller (11) that cleans the outer sidewall of the cylinder friction member (7) is rotatably connected in the guide box (10). 7. A BOPP film wear resistance detection device according to claim 2, characterized in that: the end of the support bar (201) away from the fixed plate (20) is equipped with a fixed seat (210), the fixed seat (210) A stopper (211) is installed near the end face of the adjustment shaft (21) through a torsion spring rod. 8. A BOPP film wear resistance testing device according to claim 1, characterized in that: the end of the rib (6) away from the rotating shaft (5) is rollingly connected with a ball (60).

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