Plate forming drawing friction performance testing machine

Abstract

The utility model discloses a sheet material forming drawing friction performance testing machine, relates to sheet material test technical field, including sheet material body, also including test mechanism and stretching mechanism, the test mechanism includes operating platform, operating platform top end both sides are equipped with hydraulic cylinder, two hydraulic cylinder output end are equipped with pressing block, and the pressing block is equipped with the stretching mechanism. The stretching mechanism comprises a first lead screw, the outer side of the first lead screw is sleeved with a fixing frame, a second lead screw is arranged on the inner wall of the top of the fixing frame, and traction plates are arranged on the outer walls of the two sides of the second lead screw. The two traction plates can clamp and pull a plate body through rotation of the second lead screw, the control hydraulic cylinder can adjust the pressure between the pressing blocks and the plate body through arrangement of the pressure sensor, and the traction plates can drive the plate body to be stretched between the pressing blocks through rotation of the first lead screw. And the friction performance of the plate body can be tested under different pressures.

Description

Technical Field

[0001] The utility model relates to the technical field of plate testing, in particular to a plate forming and drawing friction performance testing machine. Background Art

[0002] The sheet metal drawing friction performance testing machine refers to a system dedicated to sheet metal forming drawing friction testing machine. The system is composed of a mechanical system, a control system, a control software and corresponding specifications. It can realize the high-temperature drawing friction test of sheet metal forming based on three test methods: friction coefficient determination in sheet metal drawing, drawbead constraint resistance test and galvanized sheet adhesion test, and improves the load control accuracy of the testing machine.

[0003] The existing technology has the following deficiencies: due to different production requirements of plates, the friction coefficient requirements of plates are also different, making it impossible for existing plate testing machines to conveniently test the friction performance of plates under different pressures when testing plates, making the results of the friction performance test of the plates incomplete, which in turn affects the accuracy of the plate test results, and also affects the efficiency of the plate test.

[0004] The above information disclosed in this Background section is only for enhancement of understanding of the background of the present disclosure and therefore it may contain information that does not constitute the prior art that is already known to one of ordinary skill in the art. Utility Model Content

[0005] The purpose of the utility model is to provide a plate forming drawing friction performance testing machine, in which the second motor is operated to rotate the second screw rod, so that the two traction plates can stably clamp and pull plate bodies of different sizes, and at the same time, the pressure sensor can conveniently control the hydraulic cylinder to work, and the pressure between the clamping block and the plate body can be conveniently adjusted. The first motor is operated to rotate the first screw rod, so that the fixed frame can move on the top of the operating platform, and the traction plate can drive the plate body to stretch and move between the clamping blocks, and the friction performance of the plate body can be conveniently tested under different pressures to solve the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sheet forming drawing friction performance testing machine, including a sheet body, and also including:

[0007] A testing mechanism, arranged at the bottom of the plate body, for testing the friction performance of the plate body;

[0008] A stretching mechanism, arranged on the top of the testing mechanism, for stretching the plate body;

[0009] The test mechanism comprises an operating platform, and hydraulic cylinders are fixedly installed on both sides of one end of the top of the operating platform, and clamping blocks are fixedly installed on the output ends of the two hydraulic cylinders, and pressure sensors are arranged inside the clamping blocks, and the two clamping blocks are movably connected to the outer walls of both sides of one end of the plate body respectively;

[0010] The stretching mechanism includes a first screw rod, which is arranged on an inner wall of one side of the operating platform, a first motor is arranged at one end of the first screw rod, a fixing frame is threadedly sleeved on the outer side of the first screw rod, a second screw rod is arranged on the top inner wall of the fixing frame, a second motor is arranged on one side of the second screw rod, movable seats are threadedly sleeved on the outer walls of both sides of the second screw rod, traction plates are fixedly installed on the inner sides of the bottoms of the two movable seats, and the two traction plates are movably connected to the outer walls of both sides of the other end of the plate body respectively.

[0011] Preferably, the test mechanism comprises a support base, and two support bases are provided, and the tops of the two support bases are respectively fixedly connected to the two ends of the bottom of the operating platform.

[0012] Preferably, the testing mechanism comprises a movable groove, wherein two movable grooves are provided, and the two movable grooves are respectively opened on the inner walls on both sides of the operating platform.

[0013] Preferably, the inner wall of one of the movable grooves is rotatably connected to the first screw rod, and the inner wall of the other movable groove is fixedly mounted with a limiting rod.

[0014] Preferably, an inner wall of a side of the bottom of the fixing frame away from the first screw rod is movably connected to an outer wall of the limiting rod, and outer walls on both sides of the bottom of the fixing frame are movably connected to inner walls of two movable grooves respectively.

[0015] Preferably, a mounting groove is provided on the top inner wall of the fixing frame, the inner wall of the mounting groove is rotatably connected to the second screw rod, and both sides of the inner wall of the mounting groove are movably connected to the top outer walls of the two movable seats respectively.

[0016] Preferably, an outer wall at one end of the operating platform is fixedly connected to the first motor, and the first motor is transmission-connected to the first screw rod via an output shaft.

[0017] Preferably, the top of one side outer wall of the fixing frame is fixedly connected to the second motor, and the second motor is transmission-connected to the second screw rod via an output shaft.

[0018] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0019] 1. The second motor is operated to rotate the second screw rod, so that the two traction plates can stably clamp and pull the plate bodies of different sizes. At the same time, the pressure sensor can conveniently control the hydraulic cylinder to work, and the pressure between the clamping block and the plate body can be conveniently adjusted. The first motor is operated to rotate the first screw rod, so that the fixed frame can move on the top of the operating platform, so that the traction plate can drive the plate body to stretch and move between the clamping blocks, so that the friction performance of the plate body can be conveniently tested under different pressures, thereby improving the efficiency of the plate test;

[0020] 2. The movement of the fixed frame can be limited by the movable groove and the limiting rod, so that the fixed frame remains stable during the movement, and the traction plate can stably stretch and pull the plate body. The installation groove can limit the movement of the movable seat, so that the two traction plates can stably clamp and pull the plate bodies of different sizes, and the device can stably test the friction performance of the plate body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 It is an exploded view of the three-dimensional structure of the test mechanism of the utility model.

[0024] Figure 3 It is an exploded view of the three-dimensional structure of the stretching mechanism of the utility model.

[0025] Figure 4 This is a working state diagram of the utility model.

[0026] Description of reference numerals:

[0027] 1. Test mechanism; 101. Support base; 102. Operating platform; 103. Hydraulic cylinder; 104. Pressing block; 105. Movable slot;

[0028] 2. Plate body;

[0029] 3. stretching mechanism; 301. first screw rod; 302. first motor; 303. fixing frame; 304. limiting rod; 305. mounting groove; 306. second screw rod; 307. second motor; 308. movable seat; 309. traction plate. DETAILED DESCRIPTION

[0030] The utility model provides Figure 1 The sheet forming and drawing friction performance testing machine shown includes a sheet body 2 and also includes:

[0031] The testing mechanism 1 is arranged at the bottom of the plate body 2 and is used to test the friction performance of the plate body 2;

[0032] The stretching mechanism 3 is arranged on the top of the testing mechanism 1 and is used for stretching the plate body 2 .

[0033] In order to facilitate the testing of the friction performance of the plate body 2, Figure 2 and Figure 4 As shown, the test mechanism 1 includes an operating platform 102, and hydraulic cylinders 103 are fixedly installed on both sides of one end of the top of the operating platform 102, and clamping blocks 104 are fixedly installed at the output ends of the two hydraulic cylinders 103. Pressure sensors are arranged inside the clamping blocks 104, and the two clamping blocks 104 are movably connected to the outer walls of both sides of one end of the plate body 2 respectively. The two hydraulic cylinders 103 work so that the two clamping blocks 104 clamp the plate body 2, and the pressure sensor can sense the size of the pressure, so that the friction performance of the plate body 2 can be conveniently tested according to different pressure sizes.

[0034] In order to facilitate the stretching and movement of the plate body 2, so as to test the friction performance of the plate body 2, as shown in FIG. Figure 3 and Figure 4 As shown, the stretching mechanism 3 includes a first screw rod 301, which is arranged on an inner wall of one side of the operating platform 102, a first motor 302 is arranged at one end of the first screw rod 301, a fixing frame 303 is threadedly sleeved on the outer side of the first screw rod 301, a second screw rod 306 is arranged on the top inner wall of the fixing frame 303, a second motor 307 is arranged on one side of the second screw rod 306, both side outer walls of the second screw rod 306 are threadedly sleeved with movable seats 308, and traction plates 309 are fixedly installed on the inner sides of the bottoms of the two movable seats 308, and the two traction plates 309 are respectively movably connected to the outer walls of both sides of the other end of the plate body 2, and the second motor 307 is operated to make the second screw rod 306 rotate, so that the distance between the two movable seats 308 can be adjusted, so that the two traction plates 309 can clamp and stretch plate bodies 2 of different sizes, and then the traction plates 309 can drive the plate body 2 to stretch through the operation of the first motor 302.

[0035] In order to keep the device stable during operation, Figure 2 and Figure 4As shown, the test mechanism 1 includes a support base 101, and two support bases 101 are provided. The tops of the two support bases 101 are respectively fixedly connected to the two ends of the bottom of the operating platform 102. The operating platform 102 can be supported and fixed by the two support bases 101, so that the device remains stable during operation.

[0036] In order to keep the fixing frame 303 stable during the movement, so that it can stably stretch the plate body 2, such as Figure 2-4 As shown, the test mechanism 1 includes a movable groove 105, and two movable grooves 105 are provided. The two movable grooves 105 are respectively opened on the inner walls on both sides of the operating platform 102, wherein the inner wall of one movable groove 105 is rotatably connected to the first screw rod 301, and the inner wall of the other movable groove 105 is fixedly installed with a limiting rod 304, and the inner wall of the bottom of the fixed frame 303 on one side away from the first screw rod 301 is movably connected to the outer wall of the limiting rod 304, and the outer walls on both sides of the bottom of the fixed frame 303 are movably connected to the inner walls of the two movable grooves 105 respectively, and the movable groove 105 and the limiting rod 304 can limit the movement of the fixed frame 303, so that the fixed frame 303 remains stable during the movement.

[0037] In order to keep the traction plate 309 stable during the movement, Figure 3 and Figure 4 As shown, a mounting groove 305 is provided on the top inner wall of the fixed frame 303, and the inner wall of the mounting groove 305 is rotatably connected to the second screw rod 306. Both sides of the inner wall of the mounting groove 305 are movably connected to the top outer walls of the two movable seats 308 respectively. The mounting groove 305 can limit the movement of the movable seat 308, so that the two traction plates 309 can stably clamp and pull the plate body 2.

[0038] In order to provide power for the movement of the fixed frame 303, as Figure 4 As shown, the outer wall of one end of the operating platform 102 is fixedly connected to the first motor 302, and the first motor 302 is connected to the first screw rod 301 through an output shaft transmission connection. The operating platform 102 can install and fix the first motor 302. The operation of the first motor 302 can drive the first screw rod 301 to rotate, and further provide power for the movement of the fixed frame 303.

[0039] In order to provide power for the adjustment of the traction plate 309, as Figure 3 and Figure 4 As shown, the top of the outer wall of one side of the fixed frame 303 is fixedly connected to the second motor 307, and the second motor 307 is connected to the second screw rod 306 through an output shaft transmission. The fixed frame 303 can install and fix the second motor 307. The operation of the second motor 307 causes the second screw rod 306 to rotate, thereby providing power for adjusting the distance between the two traction plates 309.

[0040] The specific implementation method is as follows: when the friction performance test is performed on the plate body 2, the plate body 2 is placed on the top of the operating platform 102, and then the second motor 307 is operated to rotate the second screw rod 306. The threaded squares on both sides of the second screw rod 306 are opposite, so that the two movable seats 308 can move along the inner wall of the installation groove 305 on the outside thereof, and then the distance between the two traction plates 309 can be adjusted, so that the two traction plates 309 can clamp and fix the outer wall of one end of the plate body 2, and at the same time, the two hydraulic cylinders 103 are operated to make the two clamping blocks 104 clamp the outer wall of the other end of the plate body 2, and the pressure sensor inside the clamping block 104 can facilitate the staff to control the pressure of the clamping block 104 The force is adjusted, and then the first motor 302 works to make the first screw rod 301 rotate, so that the fixed frame 303 can move on the outside of the first screw rod 301 along the outer wall of the limiting rod 304 and the inner wall of the movable groove 105, so that the two traction plates 309 can drive the plate body 2 to stretch between the clamping blocks 104. By changing the pressure of the clamping blocks 104, the friction performance of the plate body 2 under different pressures can be conveniently tested, thereby making the friction performance test of the plate body 2 more convenient and improving the test efficiency of the plate body 2. This embodiment specifically solves the problem that the device in the prior art cannot conveniently test the friction performance of the plate under different pressures, which will affect the efficiency of the plate test.

[0041] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A sheet forming and drawing friction performance testing machine, comprising a sheet body (2), characterized in that: Also includes: A testing mechanism (1) is arranged at the bottom of the plate body (2) and is used to test the friction performance of the plate body (2); A stretching mechanism (3) is arranged on the top of the testing mechanism (1) and is used to stretch the plate body (2); The test mechanism (1) comprises an operating platform (102), hydraulic cylinders (103) are fixedly installed on both sides of one end of the top of the operating platform (102), and clamping blocks (104) are fixedly installed on the output ends of the two hydraulic cylinders (103), and pressure sensors are arranged inside the clamping blocks (104). The two clamping blocks (104) are movably connected to the outer walls of both sides of one end of the plate body (2) respectively; The stretching mechanism (3) comprises a first screw rod (301), the first screw rod (301) is arranged on an inner wall of one side of the operating platform (102), a first motor (302) is arranged at one end of the first screw rod (301), a fixing frame (303) is threadedly sleeved on the outer side of the first screw rod (301), a second screw rod (306) is arranged on the top inner wall of the fixing frame (303), a second motor (307) is arranged on one side of the second screw rod (306), movable seats (308) are threadedly sleeved on the outer walls of both sides of the second screw rod (306), and traction plates (309) are fixedly installed on the inner sides of the bottoms of the two movable seats (308), and the two traction plates (309) are respectively movably connected to the outer walls of both sides of the other end of the plate body (2).

2. A sheet forming and drawing friction performance testing machine according to claim 1, characterized in that: The test mechanism (1) comprises a support base (101), two of which are provided, and the tops of the two support bases (101) are respectively fixedly connected to the two ends of the bottom of the operating platform (102).

3. A sheet forming and drawing friction performance testing machine according to claim 1, characterized in that: The test mechanism (1) comprises a movable groove (105), wherein two movable grooves (105) are provided, and the two movable grooves (105) are respectively opened on the inner walls on both sides of the operating platform (102).

4. A sheet forming and drawing friction performance testing machine according to claim 3, characterized in that: The inner wall of one of the movable grooves (105) is rotatably connected to the first screw rod (301), and the inner wall of the other movable groove (105) is fixedly mounted with a limiting rod (304).

5. A sheet forming and drawing friction performance testing machine according to claim 4, characterized in that: The inner wall of one side of the bottom of the fixing frame (303) away from the first screw rod (301) is movably connected to the outer wall of the limiting rod (304), and the outer walls on both sides of the bottom of the fixing frame (303) are movably connected to the inner walls of the two movable grooves (105) respectively.

6. A sheet forming and drawing friction performance testing machine according to claim 1, characterized in that: The top inner wall of the fixed frame (303) is provided with a mounting groove (305), the inner wall of the mounting groove (305) is rotatably connected to the second screw rod (306), and the two sides of the inner wall of the mounting groove (305) are movably connected to the top outer walls of the two movable seats (308) respectively.

7. The sheet forming and drawing friction performance testing machine according to claim 1, characterized in that: An outer wall at one end of the operating platform (102) is fixedly connected to the first motor (302), and the first motor (302) is transmission-connected to the first screw rod (301) via an output shaft.

8. The sheet forming and drawing friction performance testing machine according to claim 1, characterized in that: The top of one side outer wall of the fixing frame (303) is fixedly connected to the second motor (307), and the second motor (307) is connected to the second screw rod (306) through an output shaft.

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