Strength testing machine for bullet-proof glass production

Abstract

The utility model discloses a strength testing machine for bulletproof glass production, which is provided with a screw rod, a movable groove and top frames, and comprises a flat plate, the top frames are movably mounted at the top of the flat plate close to four corners, the bottoms of the plurality of top frames are jointly provided with an adjusting mechanism, and the tops of the plurality of top frames are provided with bolts. The bottom ends of the bolts penetrate through the tops of the corresponding top frames and are in threaded connection with the tops of the corresponding top frames, when strength testing is conducted on bullet-proof glass of different sizes, the positions of multiple fixing measures can be adjusted, at the moment, the corresponding hand wheels can be sequentially rotated, the hand wheels drive the threaded rods to rotate, the threaded rods drive the movable blocks to move, and the movable blocks drive the top frames to move; the top frame drives the bolts, the abutting blocks and other components to move, after all the abutting blocks move to proper positions, rotation of the hand wheel is stopped, through the arrangement, the positions of the fixing measures can be adjusted, and the bullet-proof glass fixing device can be further suitable for fixing bullet-proof glass of different specifications and sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass strength test field, concretely is a kind of strength testing machine for bulletproof glass production. BACKGROUND

[0002] Bulletproof glass is a kind of composite material by glass and high-quality engineering plastics special processing, it is usually transparent material, usually including polycarbonate fiber layer is clamped in ordinary glass layer. After bulletproof glass is produced, to avoid defective goods into market, usually need to use strength testing machine to carry out strength detection.

[0003] The bulletproof glass strength testing equipment of prior art is usually fixed on the equipment when using, and the bulletproof glass is struck using steel ball, drop ball breakage test. But it still has some defects in actual use: when fixing bulletproof glass, it is difficult to adjust the position of fixing measure according to the size of bulletproof glass, and then it is difficult to be applicable to bulletproof glass of different sizes, and the applicability is poor.

[0004] Therefore, the strength testing machine for bulletproof glass production is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of strength testing machine for bulletproof glass production, to solve the technical scheme proposed in the above background art can be fixed to bulletproof glass of different sizes, convenient operation, good applicability.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of strength testing machine for bulletproof glass production, including flat plate, the top of the flat plate is movably installed with top frame near four corners, the bottom of a plurality of top frames is commonly provided with adjusting mechanism, and the top of a plurality of top frames is provided with bolt, the bottom end of bolt penetrates the top of corresponding top frame and is connected with the top of corresponding top frame by screw thread, and the bottom end of bolt is rotatably connected with pressure block, the bottom of pressure block is provided with pad, the pad is fixedly connected with the inner wall of top frame, the left and right sides of flat plate are commonly fixedly connected with fixed frame, the top of fixed frame extends to the top of flat plate, and the inner cavity of fixed frame is provided with rotating rod near top, the left and right ends of rotating rod respectively penetrate the side wall of fixed frame and are movably connected with the side wall of fixed frame, and the left and right sides of rotating rod are commonly provided with push mechanism, the outer side of rotating rod is movably installed with movable sleeve, the outer side of movable sleeve is fixedly installed with wire roller, the bottom of wire roller is fixedly connected with pull rope, and the bottom of pull rope is fixedly connected with steel ball.

[0007] Preferably, the adjustment mechanism includes four movable blocks, each of which is fixedly connected to the bottom of a corresponding top frame. Movable grooves are provided near the four corners of the plate. The bottoms of the four movable blocks are slidably connected to the inner cavities of the corresponding movable grooves. Handwheels are provided at the four outer corners of the plate. A screw is fixedly connected to one side of each handwheel. The end of the screw away from the handwheel passes through the outer wall of the plate and the movable block, and is rotatably connected to the outer wall of the plate. The screw is threadedly connected to the movable block.

[0008] Preferably, the pushing mechanism includes two gears, which are respectively fixedly connected to both ends of the rotating rod, and each of the two gears has a rack at its bottom, and each of the racks has an electric push rod fixedly connected to its bottom.

[0009] Preferably, each of the two electric push rods has a crossbar fixedly connected to its bottom, and the two crossbars are respectively fixedly connected to the left and right sides of the fixed frame near the bottom.

[0010] Preferably, the outer wall of the rotating rod is provided with an external thread, the inner wall of the movable sleeve is provided with an internal thread, and the movable sleeve is threadedly connected to the outer side of the rotating rod.

[0011] Preferably, the bottom of the flat plate is fixedly connected to several bases, and the bases are arranged in a "U" shape.

[0012] Preferably, an anti-slip pad is fixedly connected to the bottom end of the bolt.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. By incorporating a screw, movable groove, and top frame, the position of multiple fixing measures can be adjusted during strength testing of bulletproof glass of different sizes. This is achieved by sequentially rotating the corresponding handwheels, which in turn rotate the screw, causing the movable block to move. The movable block then moves the top frame, which in turn moves the bolts, pressure blocks, and other components. Once all pressure blocks have moved to their appropriate positions, the handwheels are stopped. This configuration allows for adjustment of the fixing measures' positions, making the device suitable for fixing bulletproof glass of different specifications and sizes.

[0015] 2. By incorporating a movable sleeve, the position of the movable sleeve on the outside of the rotating rod can be adjusted through the threaded connection between the movable sleeve and the rotating rod. This allows for the conversion of the positions of components such as the bottom pull-up mechanism and the steel ball, thereby enabling the conversion of the bulletproof glass detection position and achieving better detection results.

[0016] 3、By setting has bolt, the pressure block and the non-slip pad, after the fixing measure adjustment is completed, four corners of the bulletproof glass are placed on the top of the four pad plates respectively, then a plurality of bolts are turned in sequence, the threaded connection between the bolt and the top frame is utilized to make the bolt drive the pressure block to move down, the pressure block drives the non-slip pad to move down, the bulletproof glass four corners are pressed by the cooperation of the pressure block and the non-slip pad, the fixing of the bulletproof glass is further completed, and the subsequent strength test work can be better carried out. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the external structure schematic view of the utility model;

[0018] Figure 2 It is the structure schematic view of the flat plate of the utility model;

[0019] Figure 3 It is the local section structure schematic view of the screw rod of the utility model;

[0020] Figure 4 It is the structure schematic view of the steel ball of the utility model.

[0021] In the drawing: 1, flat plate; 2, base; 3, movable groove; 4, movable block; 5, hand wheel; 6, screw rod; 7, top frame; 8, pad plate; 9, bolt; 10, pressure block; 11, non-slip pad; 12, fixing frame; 13, rotating rod; 14, gear; 15, rack; 16, electric push rod; 17, cross frame; 18, movable sleeve; 19, wire roller; 20, pull rope; 21, steel ball. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1 to 4The utility model provides a technical scheme: a strength testing machine for bulletproof glass production, including flat plate 1, the top of flat plate 1 is close to four corners and is equipped with top frame 7, the bottom of several top frames 7 is commonly provided with adjusting mechanism, the position of top frame 7 is adjusted using adjusting mechanism, and the top of several top frames 7 is provided with bolt 9, the bottom end of bolt 9 penetrates the top of corresponding top frame 7 and is connected in screw thread with the top of corresponding top frame 7, and the bottom end of bolt 9 is rotatably connected with the pressure block 10 of pressing, the bottom of pressure block 10 is provided with the backing plate 8, and the backing plate 8 is used to support the bulletproof glass to be measured, and then the bulletproof glass to be measured is pressed using the pressure block 10, the fixing of the bulletproof glass to be measured is completed, the backing plate 8 is fixedly connected with the inner wall of top frame 7, the left and right sides of flat plate 1 are commonly fixedly connected with fixed frame 12, the top of fixed frame 12 extends to the top of flat plate 1, and the inner chamber of fixed frame 12 is provided with rotating rod 13 close to the top, the left and right ends of rotating rod 13 respectively penetrate the side wall of fixed frame 12 and are movably connected with the side wall of fixed frame 12, and the left and right sides of rotating rod 13 are commonly provided with the pushing mechanism of pushing, the movable sleeve 18 of the outside of rotating rod 13 is movably installed, the wire roller 19 of the outside of movable sleeve 18 is fixedly installed, the wire roller 19 is fixedly connected with the pull rope 20 at the bottom, the pull rope 20 is fixedly connected with the steel ball 21 at the bottom, the rotating rod 13 is pushed to rotate using the pushing mechanism, the movable sleeve 18 and wire roller 19 are driven to rotate by the rotating rotating rod 13, so that the wire roller 19 is wound around the pull rope 20, and then the steel ball 21 at the bottom of pull rope 20 rises, and the strength test of the bulletproof glass to be measured is completed using the descending steel ball 21 subsequently.

[0024] Please refer to Figure 2 and Figure 3 Adjusting mechanism includes four movable blocks 4, four movable blocks 4 are fixedly connected with the bottom of corresponding top frame 7 respectively, flat plate 1 is close to four corners and is equipped with movable groove 3, the bottom of four movable blocks 4 is slidably connected in the inner chamber of corresponding movable groove 3 respectively, the four corners of flat plate 1 outside are provided with hand wheel 5, one side of hand wheel 5 is fixedly connected with screw rod 6, one end of screw rod 6 away from hand wheel 5 penetrates the outer wall of flat plate 1 and movable block 4 and is rotatably connected with the outer wall of flat plate 1, and screw rod 6 is connected in screw thread with movable block 4, the movable block 4 is driven to move horizontally by rotating hand wheel 5 to drive screw rod 6 to rotate, the movable block 4 is driven to move horizontally by screw rod 6 to drive top frame 7 to move horizontally, and the fixing of bulletproof glass of different specifications, sizes can be realized by adjusting the position of multiple top frames 7.

[0025] Please refer to Figure 1 and Figure 4The pushing mechanism includes two gears 14, which are fixedly connected to both ends of the rotating rod 13. Each gear 14 has a rack 15 at its bottom, and each rack 15 has an electric push rod 16 fixedly connected to its bottom. The electric push rod 16 drives the rack 15 to move, and the rack 15 drives the gear 14 to rotate. The two gears 14 together drive the rotating rod 13 to rotate. The rotation of the rotating rod 13 drives the steel ball 21 to move upward. When the rack 15 disengages from the gear 14, the steel ball 21 returns to its original position under its own weight, causing the pull rope 20 to disengage from the roller 19. This allows for repeated testing of bulletproof glass.

[0026] Please see Figure 1 Both electric push rods 16 are fixedly connected to the bottom of a crossbeam 17. The two crossbeams 17 are fixedly connected to the left and right sides of the fixed frame 12 near the bottom. This arrangement achieves the fixation between the electric push rod 16 and the outer wall of the fixed frame 12, improving the stability of the electric push rod 16 during subsequent operation.

[0027] Please see Figure 1 and Figure 4 The outer wall of the rotating rod 13 is provided with an external thread, and the inner wall of the movable sleeve 18 is provided with an internal thread. The movable sleeve 18 is threaded to the outside of the rotating rod 13. This setting allows for the adjustment of the position of the movable sleeve 18, and further allows for the adjustment of the position of components such as the steel ball 21, enabling strength testing of different positions of the bulletproof glass.

[0028] Please see Figure 2 and Figure 3 The bottom of the tablet 1 is fixedly connected to several bases 2, which are arranged in a "U" shape. The arrangement of multiple bases 2 can support the entire device.

[0029] Please see Figure 3 and Figure 4 The bottom of bolt 9 is fixedly connected to an anti-slip pad 11. The anti-slip pad 11 increases the friction between the bottom of the pressure block 10 and the top of the bulletproof glass to be tested, thereby improving the fixing effect.

[0030] Working principle: when the application is used, first, two electric push rods 16 are synchronously driven, so that the two electric push rods 16 push two racks 15 upwards respectively, the two racks 15 push two gears 14 to rotate respectively, the two gears 14 drive a rotating rod 13 to rotate together, the rotating rod 13 drives a movable sleeve 18 to rotate, the movable sleeve 18 drives a wire roller 19 to rotate, at this time, the wire roller 19 winds a bottom pull rope 20 outside itself, and makes a steel ball 21 slowly rise, after the steel ball 21 moves away from the flat plate 1, the two electric push rods 16 are turned off, then the positions of a plurality of abutting blocks 10 and the like are adjusted according to the specifications and sizes of the bulletproof glass to be tested, at this time, a plurality of hand wheels 5 can be rotated in sequence, so that the hand wheels 5 drive the screw rods 6 to rotate, the screw rods 6 drive the movable blocks 4 to move, the movable blocks 4 drive the top frames 7 to move, the top frames 7 drive the bolts 9, the abutting blocks 10 and the like to move, after all the abutting blocks 10 move to the appropriate positions, the hand wheels 5 are stopped, at this time, the four corners of the bulletproof glass are placed on the top of the four base plates 8 respectively, then the bolts 9 are rotated in sequence, the bolts 9 drive the abutting blocks 10 to move downwards by the threaded connection between the bolts 9 and the top frames 7, the abutting blocks 10 drive the non-slip pads 11 to move downwards, the abutting blocks 10 and the non-slip pads 11 are matched to realize the abutting and pressing of the four corners of the bulletproof glass, and the fixing of the bulletproof glass is further completed, at this time, the two electric push rods 16 can be driven again to drive the racks 15 to move upwards, after the two racks 15 are separated from the corresponding gears 14 respectively, the pull rope 20 is spread outside the wire roller 19 under the action of the gravity of the steel ball 21, and at this time, the steel ball 21 rapidly descends to knock the top surface of the bulletproof glass to be tested, and the strength test work is completed, when other positions of the bulletproof glass need to be tested, the position of the movable sleeve 18 can be adjusted by the threaded connection between the movable sleeve 18 and the rotating rod 13 to further adjust the positions of the bottom pull rope 20 and the steel ball 21, after the steel ball 21 moves to other positions, the above operation is repeated to test the strength of the bulletproof glass again, through the above operation, the strength of the bulletproof glass at different positions can be tested, and more accurate data can be obtained.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A strength testing machine for the production of bulletproof glass comprising a flat plate (1), characterized in that: The top of the flat plate (1) is movably provided with a top frame (7) near the four corners, the bottom of the top frame (7) is provided with an adjusting mechanism, and the top of the top frame (7) is provided with a bolt (9), the bottom end of the bolt (9) penetrates through the top of the corresponding top frame (7) and is in threaded connection with the top of the corresponding top frame (7), and the bottom end of the bolt (9) is rotatably connected with a pressing block (10), the bottom of the pressing block (10) is provided with a backing plate (8), the backing plate (8) is fixedly connected with the inner wall of the top frame (7), the left and right sides of the flat plate (1) are fixedly connected with a fixed frame (12), the top of the fixed frame (12) extends to the top of the flat plate (1), and the inner cavity of the fixed frame (12) is provided with a rotating rod (13) near the top, the left and right ends of the rotating rod (13) penetrate through the side wall of the fixed frame (12) and are movably connected with the side wall of the fixed frame (12), and the left and right sides of the rotating rod (13) are provided with a pushing mechanism, the outer side of the rotating rod (13) is movably provided with a movable sleeve (18), the outer side of the movable sleeve (18) is fixedly provided with a wire roller (19), the bottom of the wire roller (19) is fixedly connected with a pull rope (20), and the bottom of the pull rope (20) is fixedly connected with a steel ball (21).

2. The strength testing machine for the production of bulletproof glass according to claim 1, characterized in that: The adjusting mechanism comprises four movable blocks (4), the movable blocks (4) are fixedly connected with the bottom of the corresponding top frame (7), the flat plate (1) is provided with a movable groove (3) near the four corners, the bottom of the movable block (4) is slidably connected in the inner cavity of the corresponding movable groove (3), the outer side of the flat plate (1) is provided with a hand wheel (5) near the four corners, one side of the hand wheel (5) is fixedly connected with a screw rod (6), one end of the screw rod (6) away from the hand wheel (5) penetrates through the outer wall of the flat plate (1) and the movable block (4) and is rotatably connected with the outer wall of the flat plate (1), and the screw rod (6) is in threaded connection with the movable block (4).

3. The strength testing machine for the production of bulletproof glass according to claim 1, characterized in that: The pushing mechanism comprises two gears (14), the gears (14) are fixedly connected at the two ends of the rotating rod (13), and the bottom of the gear (14) is provided with a rack (15), and the bottom of the rack (15) is fixedly connected with an electric push rod (16).

4. The strength testing machine for the production of bulletproof glass according to claim 3, characterized in that: The bottom of the electric push rod (16) is fixedly connected with a horizontal frame (17), and the horizontal frame (17) is fixedly connected near the bottom of the left and right sides of the fixed frame (12).

5. The strength testing machine for the production of bulletproof glass according to claim 1, characterized in that: The outer wall of the rotating rod (13) is provided with external threads, the inner wall of the movable sleeve (18) is provided with internal threads, and the movable sleeve (18) is in threaded connection with the outer side of the rotating rod (13).

6. The strength testing machine for the production of bulletproof glass according to claim 1, characterized in that: The bottom of the flat plate (1) is fixedly connected with a plurality of bases (2), and the base (2) is provided in a "back" shape.

7. The strength testing machine for the production of bulletproof glass according to claim 1, characterized in that: The bottom end of the bolt (9) is fixedly connected with an anti-skid pad (11).

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