Tension testing machine

Abstract

The utility model relates to the technical field of tension testing machines, in particular to a tension testing machine which comprises a base and a controller, two guide rail frames are fixedly installed on the upper surface of the base, a fixed seat is fixedly installed on the top sides of the two guide rail frames, and sliding seats are connected to the inner sides of the two guide rail frames in a sliding mode. Adjusting devices are arranged on the sides, close to each other, of the sliding seat and the fixed seat, each adjusting device comprises two mounting seats, the two mounting seats are fixedly mounted on the sides, close to each other, of the fixed seat and the sliding seat correspondingly, and two fixing rods are fixedly connected to the inner sides of the mounting seats; the surfaces of the two fixing rods are slidably connected with moving blocks. According to the utility model, through the arrangement of the adjusting device, the flexible adjustment work of the opposite surfaces of the two pressing blocks is facilitated, so that the flexible and stable clamping work of products with cylindrical structures or planar structures is facilitated, and the stability in the tension test process of different types of products is improved to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of tension testing machines, in particular to a tension testing machine. Background Art

[0002] A tensile testing machine is a device used to test the tensile strength and ductility of materials. It tests the performance of materials under stress by applying tensile force. A tensile testing machine usually includes a fixed clamp and a movable clamp. The tensile force is applied by controlling the movable clamp to test the tensile properties of the material. Common tests in a tensile testing machine include tensile test, yield test, fracture test, etc.

[0003] The existing related technologies often have the following defects: in the process of using a tensile testing machine to perform a tensile test on a material, the traditional tensile testing machine uses a planar structure plate surface to clamp the material. When there are some cylindrical structure products, due to the small contact area between the planar structure plate surface and the cylindrical structure product, the cylindrical structure product is prone to slipping from the planar structure clamping plates during the tensile test, thereby reducing the tensile test effect of the tensile testing machine on products of different shapes.

[0004] Therefore, the utility model provides a tensile testing machine. Utility Model Content

[0005] The utility model aims to solve the shortcoming in the prior art that it is inconvenient to stably clamp and test products with different shapes and structures, and proposes a tensile testing machine.

[0006] Material toggling mechanism, its both sides respectively have the top of two support legs and are convenient to use and can be used for the lifting of the piston rod and the piston rod of two support legs, and the piston rod, when it is in the upward direction, can be used for the lifting of the piston rod and the piston rod of two support legs.

[0007] The effect achieved by the above-mentioned components is: by rotating the pressing block, the pressing block will move relative to each other with the help of the rotating rod and the moving block. After the two pressing blocks on the same mounting seat with the inclined plate on one side are rotated to a position close to each other, the cylindrical product is placed between the two pressing blocks on the side with the inclined plate. By rotating the bidirectional screw, the bidirectional screw will drive the two moving blocks to approach each other, thereby realizing the clamping of the cylindrical product. The setting of the inclined plate increases the contact surface with the side of the cylindrical product, thereby improving the stability of clamping the cylindrical product.

[0008] Preferably, a U-shaped inserting rack is slidably connected inside the pressing block, and an inserting hole is provided on the surface of the moving block, and the size of the inserting hole is matched with the size of the inserting rack.

[0009] The effect achieved by the above components is: when the plug-in rack is loosened, the plug-in rack will be inserted into the inner wall of the plug-in hole under the action of its own gravity.

[0010] Preferably, a surface of the pressing block away from the inclined plate is evenly and fixedly connected with a plurality of convex strips, and the cross section of the convex strips is triangular.

[0011] The effect achieved by the above components is that by providing the convex strips, the friction force during the relative movement between the planar structure product and the pressing block is increased, thereby facilitating the clamping and fixing of the planar structure product.

[0012] Preferably, an anti-slip pad is glued to the surface of the inclined plate.

[0013] The effect achieved by the above components is: by providing the anti-skid pad, the friction between the inclined plate and the cylindrical structure product is further increased, and the stability of the cylindrical structure product during the tensile test is further improved.

[0014] Preferably, the surfaces of the sliding seat and the fixed seat are both provided with a driving rotation structure, and the driving rotation structure includes four limiting rods which are fixedly connected to the surface of the fixed seat or the sliding seat in groups of two, and the other end of the limiting rod is rotatably connected to a support bar, and the surface of the support bar is evenly and fixedly connected with a plurality of barbed hooks.

[0015] The effect achieved by the above components is that the staff can quickly hook the flat structure product on the barbed hook to conduct the tensile test, and the two rows of barbed hooks are rotated to the side away from each other to facilitate the test of some thicker products.

[0016] Preferably, a side wall of the limiting rod is slidably connected with a clamping block, and the clamping block is a "U"-shaped structure.

[0017] The effect achieved by the above components is that the clamping block is clamped on the side wall of the support bar, so as to fix the position of the support bar after rotation.

[0018] Preferably, a baffle is fixedly connected to the side wall of the limiting rod, a spring is sleeved on the surface of the limiting rod, and two ends of the spring are respectively fixedly connected to the clamping block and the baffle.

[0019] The effect achieved by the above components is that the clamping block is clamped on the side wall of the support bar by the elastic force of the spring on the baffle.

[0020] In summary:

[0021] 1. In the utility model, by providing an adjustment device, the flexible adjustment of the relative surfaces between the two pressing blocks is facilitated, thereby facilitating the flexible and stable clamping of cylindrical or planar structure products, and to a certain extent improving the stability during the tensile test of different types of products.

[0022] 2. In the utility model, by providing a driving and rotating structure, the rows of barbed hooks are flexibly rotated, which facilitates the tensile testing of some thinner products and further improves the performance of the tensile testing machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the sliding seat in the utility model;

[0025] Figure 3 For the utility model Figure 2 A magnified image of point A;

[0026] Figure 4 For the utility model Figure 2 Enlarged view of point B.

[0027] Legend: 1. Base; 2. Guide rail frame; 3. Fixed seat; 4. Sliding seat; 5. Adjustment device; 501. Mounting seat; 502. Bidirectional screw; 503. Fixed rod; 504. Moving block; 505. Plug-in rack; 506. Anti-slip pad; 507. Pressing block; 508. Rotating rod; 509. Inclined plate; 510. Plug-in hole; 511. Raised strip; 6. Driving structure; 61. Limiting rod; 62. Support bar; 63. Barbed hook; 64. Baffle; 65. Spring; 66. Block; 7. Controller. DETAILED DESCRIPTION

[0028] Reference Figure 1As shown, the utility model provides a technical solution: a tensile testing machine, including a base 1 and a controller 7, two guide rail frames 2 are fixedly installed on the upper surface of the base 1, fixed seats 3 are fixedly installed on the top sides of the two guide rail frames 2, sliding seats 4 are slidably connected to the inner sides of the two guide rail frames 2, and adjustment devices 5 are provided on the sides where the sliding seats 4 and the fixed seats 3 are close to each other, and driving structures 6 are provided on the surfaces of the sliding seats 4 and the fixed seats 3.

[0029] The specific configuration and function of the adjustment device 5 and the driving structure 6 will be described in detail below.

[0030] Reference Figure 1-Figure 3 As shown, in this embodiment: the adjustment device 5 includes two mounting seats 501, and the two mounting seats 501 are respectively fixedly mounted on the side where the fixed seat 3 and the sliding seat 4 are close to each other, and the inner side of the mounting seat 501 is fixedly connected with two fixed rods 503, and the surfaces of the two fixed rods 503 are slidably connected with moving blocks 504, and the upper surface of the moving block 504 is fixedly connected with a rotating rod 508, and the upper end of the rotating rod 508 is fixedly connected with a pressing block 507, and the surface of the pressing block 507 is fixedly connected with two inclined plates 509, and the inside of the mounting seat 501 is rotatably connected with a bidirectional screw 502, and the bidirectional screw 502 is threadedly connected to the moving block 504, and the two sides of the bidirectional screw 502 are provided with threads in opposite directions. By rotating the pressing block 507, the pressing block 507 will move relative to the moving block 504 with the help of the rotating rod 508. After rotating the two pressing blocks 507 on the same mounting seat 501 with the inclined plate 509 on one side to a position close to each other, the cylindrical product is placed between the two pressing blocks 507 on the side with the inclined plate 509. By rotating the bidirectional screw 502, the bidirectional screw 502 will drive the two moving blocks 504 to approach each other, thereby achieving the clamping of the cylindrical product. The setting of the inclined plate 509 increases the contact surface with the side of the cylindrical product, thereby improving the stability of clamping the cylindrical product. The inside of the pressing block 507 is slidably connected with a "U"-shaped plug-in frame 505. The surface of the moving block 504 is provided with a plug-in hole 510, and the size of the plug-in hole 510 matches the size of the plug-in frame 505. When the plug-in frame 505 is released, the plug-in frame 505 will be inserted into the inner wall of the plug-in hole 510 under the action of its own gravity.

[0031] The surface of the pressing block 507 away from the inclined plate 509 is evenly fixedly connected with a plurality of convex strips 511, and the cross section of the convex strips 511 is triangular. By providing the convex strips 511, the friction force during the relative movement between the planar structure product and the pressing block 507 is increased, and the clamping and fixing work of the planar structure product is facilitated. The surface of the inclined plate 509 is glued with an anti-skid pad 506. By providing the anti-skid pad 506, the friction force between the inclined plate 509 and the cylindrical structure product is further increased, and the stability of the cylindrical structure product during the tensile test is further improved.

[0032] Reference Figure 1-Figure 2 and Figure 4 As shown, specifically, the driving structure 6 includes four limiting rods 61 which are fixedly connected to the surface of the fixed seat 3 or the sliding seat 4 in groups of two, and the other end of the limiting rod 61 is rotatably connected to a support bar 62, and the surface of the support bar 62 is evenly fixedly connected with a plurality of barbed hooks 63. The staff can quickly hook the flat structure product on the barbed hooks 63 to test the tension, and rotating the two rows of barbed hooks 63 to the side away from each other is to facilitate the test of some thicker products.

[0033] The side wall of the limit rod 61 is slidably connected with a block 66, which is a "U"-shaped structure. The block 66 is stuck on the side wall of the support bar 62, which can fix the position of the support bar 62 after rotation. The side wall of the limit rod 61 is fixedly connected with a baffle 64, and the surface of the limit rod 61 is covered with a spring 65, and the two ends of the spring 65 are respectively fixedly connected to the block 66 and the baffle 64. The block 66 will be stuck on the side wall of the support bar 62 by the elastic force of the spring 65 on the baffle 64.

[0034] Working principle: when it is necessary to test the tension of a cylindrical product, pull the plug-in frame 505 inside the pressure block 507. When the plug-in frame 505 is pulled out from the inner side of the insertion hole 510, the pressure block 507 can be rotated. The pressure block 507 will move relative to the moving block 504 with the help of the rotating rod 508. After the two pressure blocks 507 on the same mounting seat 501 are rotated on one side with the inclined plate 509 to a position close to each other, the plug-in frame 505 is released. The plug-in frame 505 will be subjected to its own gravity. By inserting the inner wall of the insertion hole 510, the fixing work of the rotating pressure block 507 can be realized, and the twisting of the pressure block 507 during use is avoided. At this time, the cylindrical product is placed between the two pressure blocks 507 on the side with the inclined plate 509, and the bidirectional screw 502 is rotated. The bidirectional screw 502 will drive the two moving blocks 504 to approach each other, so that the cylindrical product can be clamped. The setting of the inclined plate 509 increases the contact with the side of the cylindrical product. The surface is formed by the flat plate 509, thereby improving the stability of clamping the cylindrical structure product. By setting the anti-skid pad 506, the friction between the inclined plate 509 and the cylindrical structure product is further increased, and the stability of the cylindrical structure product during the tensile test is further improved. The product is fixedly connected between the fixed seat 3 and the sliding seat 4, and the tensile test of the product can be realized while moving the sliding seat 4. The side of the two pressing blocks 507 with the plane structure is rotated to the side close to each other, so as to realize the normal tensile test of the plane structure product. By setting the convex strip 511, the friction between the plane structure product and the pressing block 507 during the relative movement is increased, which is convenient for clamping and fixing the plane structure product. By setting the adjustment device 5, the flexible adjustment of the relative surfaces between the two pressing blocks 507 is facilitated, thereby facilitating the flexible and stable clamping of the cylindrical structure or plane structure product, and to a certain extent, the stability of the tensile test of different types of products is improved.

[0035] When it is necessary to perform tension test on some products with thinner structures, the block 66 can be pressed down. At this time, the support bar 62 can be freed from the restraint of the block 66, and the two support bars 62 are rotated to the side close to each other, and the block 66 is released. The block 66 will be clamped on the side wall of the support bar 62 by the elastic force of the spring 65 on the baffle 64, so that the position of the support bar 62 after rotation can be fixed. At this time, a row of closely arranged barbed hooks 63 can be formed, and the staff can quickly hook the products with planar structures on the barbed hooks 63 for tension test. Rotating the two rows of barbed hooks 63 to the side away from each other is to facilitate the test of some thicker products. By setting the driving structure 6 and the flexible rotation of the rows of barbed hooks 63, the tension test of some thinner products is facilitated, and the performance of the tension testing machine is further improved.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A tensile testing machine, comprising a base (1) and a controller (7), characterized in that: Two guide rail frames (2) are fixedly mounted on the upper surface of the base (1); a fixed seat (3) is fixedly mounted on the top side of the two guide rail frames (2); a sliding seat (4) is slidably connected to the inner side of the two guide rail frames (2); an adjustment device (5) is provided on the side where the sliding seat (4) and the fixed seat (3) are close to each other; the adjustment device (5) comprises two mounting seats (501); the two mounting seats (501) are respectively fixedly mounted on the side where the fixed seat (3) and the sliding seat (4) are close to each other; and the inner side of the mounting seat (501) is fixedly connected to two fixed seats. Rod (503), the surfaces of the two fixed rods (503) are slidably connected with a moving block (504), the upper surface of the moving block (504) is fixedly connected with a rotating rod (508), the upper end of the rotating rod (508) is fixedly connected with a pressing block (507), the surface of the pressing block (507) is fixedly connected with two inclined plates (509), the interior of the mounting seat (501) is rotatably connected with a bidirectional screw (502), the bidirectional screw (502) and the moving block (504) are threadedly connected, and threads in opposite directions are provided on both sides of the bidirectional screw (502).

2. A tensile testing machine according to claim 1, characterized in that: The interior of the pressing block (507) is slidably connected to a U-shaped inserting frame (505), and a plug hole (510) is provided on the surface of the moving block (504). The size of the plug hole (510) is matched with the size of the inserting frame (505).

3. A tensile testing machine according to claim 1, characterized in that: A plurality of convex strips (511) are evenly and fixedly connected to the surface of the pressing block (507) away from the inclined plate (509), and the cross section of the convex strips (511) is triangular.

4. A tensile testing machine according to claim 1, characterized in that: The surface of the inclined plate (509) is glued with an anti-skid pad (506).

5. A tensile testing machine according to claim 1, characterized in that: The surfaces of the sliding seat (4) and the fixed seat (3) are both provided with a driving rotation structure (6), and the driving rotation structure (6) comprises four limiting rods (61) which are fixedly connected to the surface of the fixed seat (3) or the sliding seat (4) in groups of two, and the other end of the limiting rod (61) is rotatably connected to a support bar (62), and the surface of the support bar (62) is evenly and fixedly connected with a plurality of barbed hooks (63).

6. A tensile testing machine according to claim 5, characterized in that: A clamping block (66) is slidably connected to the side wall of the limiting rod (61), and the clamping block (66) is a "U"-shaped structure.

7. A tensile testing machine according to claim 6, characterized in that: A baffle (64) is fixedly connected to the side wall of the limiting rod (61), a spring (65) is sleeved on the surface of the limiting rod (61), and two ends of the spring (65) are respectively fixedly connected to a clamping block (66) and the baffle (64).

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