Threaded fastener clamping device of torsion testing machine

Abstract

The utility model relates to the technical field of thread testing, and discloses a torsion testing machine threaded fastener clamping device which comprises a workbench, a sliding rail is fixedly installed at the top of the workbench, a support is connected to the surface of the sliding rail in a sliding mode, a roller is arranged on the other side of the support, a clamping assembly is arranged in the roller, and the clamping assembly is connected with the sliding rail in a sliding mode. An auxiliary clamping assembly is arranged on one side of the roller, and the clamping assembly specifically comprises a motor fixedly installed on one side of the support; the cylinder is fixedly mounted on one side of the inner wall of the roller; the fixed blocks are uniformly and fixedly mounted on the inner wall of the roller at equal intervals; the clamping assembly is used for clamping, the air cylinder drives the conical wheel to advance, the conical wheel pushes and extends the idler wheel outwards, one end of the bow-shaped connecting rod is clamped inwards, after the air cylinder is retracted, the spring drives the other end of the bow-shaped connecting rod to rebound and contract, and therefore the effect of clamping threads is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to thread test technical field, concretely is a kind of torsion testing machine thread fastener clamping device. BACKGROUND

[0002] Torsion testing machine is a kind of equipment for testing the torsional properties of materials, widely used in industrial and mining enterprises, scientific research institutions, colleges and universities and other departments. It is mainly used for determining the mechanical properties of metal or non-metallic materials under torsion, including springs, wires, tools and various components. There are many types of torsion testing machines, including spring torsion testing machines, wire torsion testing machines and material torsion testing machines. These types differ according to their applications and the materials being tested. Spring torsion testing machines are suitable for testing the torsional angle and torque of torsional springs, volute springs and other elastic elements.

[0003] In the prior art, the chuck is used to twist the object to obtain the size of the applied torque. The fixture has a limited test range in use. Different specifications of threads may require different equipment for clamping and testing, which increases some limitations. Long-term work of the fixture can cause damage to the chuck, affecting the accuracy of later clamping.

[0004] Therefore, a torsion testing machine thread fastener clamping device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a torsion testing machine thread fastener clamping device to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a torsion testing machine thread fastener clamping device, comprising a workbench, characterized in that: a slide rail is fixedly installed on the top of the workbench, a bracket is slidably connected to the surface of the slide rail, a roller is arranged on one side of the bracket, a clamping assembly is arranged in the roller, and an auxiliary clamping assembly is arranged on one side of the roller.

[0007] Preferably, the clamping assembly specifically comprises: a motor fixedly installed on one side of the bracket; a cylinder fixedly installed on one side of the inner wall of the roller; fixed blocks fixedly installed equidistantly and uniformly on the inner wall of the roller; and fixed stakes fixedly installed equidistantly and uniformly on the inner wall of the roller.

[0008] Preferably, the output end of the motor is fixedly connected with a rotating shaft, the other end of the rotating shaft is movably penetrated through one side of the bracket and extends to the other side to be fixedly connected with the roller, the telescopic end of the cylinder is fixedly connected with a conical wheel, the top of the conical wheel is fixedly connected with a connecting rod one, a sliding groove hole is formed in the top of the roller, and the end of the connecting rod one away from the conical wheel is movably penetrated through the sliding groove hole and extends to the outside of the roller.

[0009] Preferably, the fixed block is two, the arch-shaped connecting rod is movably connected between the fixed blocks, one end of the arch-shaped connecting rod is fixedly connected with a clamping block, the other end of the arch-shaped connecting rod is movably connected with a roller, a slot hole is formed in one side of the top of the arch-shaped connecting rod, a spring support seat is fixedly installed on one side of the top of the arch-shaped connecting rod, and the spring support seat is concave.

[0010] Preferably, the fixed stake movably penetrates through the spring support seat and the slot hole and extends to the bottom of the arch-shaped connecting rod away from the inner wall of the roller, a spring is movably sleeved on the outer wall of the fixed stake, one end of the spring is fixedly connected with the inner wall of the roller, and the other end of the spring is fixedly connected with the top of the spring support seat.

[0011] Preferably, the auxiliary clamping assembly specifically comprises: a polygonal workbench arranged on one side of the roller; and support blocks fixedly installed at equal intervals on the top and the bottom of the roller.

[0012] Preferably, the support block is fixedly connected with one side of the polygonal workbench, equal and uniform slot grooves are formed in the surface of the polygonal workbench, equal and uniform slot groove seats are fixedly installed on the other side of the polygonal workbench, a sliding block one is slidably connected with the inner wall of the slot groove, a limiting block is fixedly installed on the top of the sliding block one, a movable rod is slidably connected with the inner wall of the slot groove, an arch-shaped clamping plate is fixedly connected with the top of the movable rod, a clamping rod is fixedly connected with one side of the sliding block one, and a semicircular clamping ring is fixedly connected with the end of the clamping rod away from the sliding block one.

[0013] Preferably, equal and uniform slot groove blocks are fixedly installed on the top of the polygonal workbench, and the other two slot groove blocks are fixedly installed on the top of the support block, a sliding block two is slidably connected with the inside of the slot groove block, a connecting block is fixedly connected with the surface of the sliding block two, and the connecting block is two, a connecting rod two is movably connected between the connecting blocks, a connecting stake is fixedly connected with one side of the sliding block two, and the end of the connecting stake away from the sliding block two is fixedly connected with the other side of the sliding block one, and a pushing rod is fixedly connected with the other side of the sliding block two, and the end of the pushing rod away from the sliding block two is fixedly connected with one end of the connecting rod one.

[0014] The utility model provides a kind of torsion testing machine screw fastener clamping device. With following beneficial effects:

[0015] (1) the utility model discloses a clamping assembly is clamped, cylinder drives conical wheel to advance, conical wheel is outward to the roller and is pressed to extend, one end of arch-shaped connecting rod is inwards and is contracted and is clamped, after cylinder recovery, spring drives the other end of arch-shaped connecting rod and is automatically rebounded and is contracted, to reach the effect of screw clamping.

[0016] (2) The utility model discloses a supplementary clamping assembly is used to supplementary clamping, reduces the damage to chuck, and the connecting rod one is driven to push through the air cylinder, and the slider no. 2 in the sliding slot block is driven to slide down by connecting rod one, and the slider no. 1 in the sliding slot seat is driven to link contraction by slider no. 2, when the slider no. 1 is inwards contraction, the limiting block on the slider no. 1 drives the arch -shaped clamping plate to link, and the slider no. 1 drives the clamping rod to be inwards clamped, thereby reach supplementary clamping, and reduce the wear and tear of chuck. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model;

[0018] Figure 2 It is drum cross section structure schematic diagram of the utility model;

[0019] Figure 3 It is supplementary clamping assembly partial structure schematic diagram of the utility model;

[0020] Figure 4 It is the enlarged structure schematic diagram in the utility model A.

[0021] In the drawing: 1 worktable, 2 slide rail, 3 support, 4 drum, 5 clamping assembly, 511 motor, 512 air cylinder, 513 conical wheel, 514 connecting rod one, 515 fixed block, 516 arch -shaped connecting rod, 517 clamping block, 518 roller, 519 spring support seat, 5111 fixed stake, 5112 spring, 6 supplementary clamping assembly, 611 polygonal worktable, 612 sliding slot, 613 sliding slot seat, 614 slider no. 1, 615 limiting block, 616 movable rod, 617 arch -shaped clamping plate, 618 clamping rod, 619 semicircle clamping ring, 6111 sliding slot block, 6112 slider no. 2, 6113 connecting block, 6114 connecting rod no. 2, 6115 connecting stake, 6116 push rod, 6117 support block. DETAILED DESCRIPTION

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

[0023] Examples of the described embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model and cannot be understood as limiting the utility model.

[0024] Embodiment 1

[0025] The preferable embodiment of the thread fastener clamping device of the torsion testing machine provided by the utility model is as shown in the figure Figures 1-4 As shown: a thread fastener clamping device of a torsion testing machine, comprising a workbench 1, characterized by: the top of the workbench 1 is fixedly installed with sliding rails 2, the surface of the sliding rails 2 is slidingly connected with a support 3, one side of the support 3 is provided with a roller 4, the inside of the roller 4 is provided with a clamping assembly 5, one side of the roller 4 is provided with an auxiliary clamping assembly 6.

[0026] The clamping assembly 5 specifically comprises: a motor 511 fixedly installed on one side of the support 3; a pneumatic cylinder 512 fixedly installed on one side of the inner wall of the roller 4; fixed blocks 515 equidistantly and uniformly fixedly installed on the inner wall of the roller 4; fixed stakes 5111 equidistantly and uniformly fixedly installed on the inner wall of the roller 4.

[0027] The output end of the motor 511 is fixedly connected with a rotating shaft, the other end of the rotating shaft is movably penetrated through one side of the support 3 and extends to the other side and is fixedly connected with the roller 4, the telescopic end of the pneumatic cylinder 512 is fixedly connected with a conical wheel 513, the top of the conical wheel 513 is fixedly connected with a connecting rod one 514, the top of the roller 4 is provided with a sliding slot hole, one end of the connecting rod one 514 away from the conical wheel 513 is movably penetrated through the sliding slot hole and extends to the outside of the roller 4.

[0028] The fixed blocks 515 are two, the fixed blocks 515 are movably connected with a bow-shaped connecting rod 516 between them, one end of the bow-shaped connecting rod 516 is fixedly connected with a clamping block 517, the other end of the bow-shaped connecting rod 516 is movably connected with a roller 518, a slot hole is formed in one side of the top of the bow-shaped connecting rod 516, a spring support seat 519 is fixedly installed on one side of the top of the bow-shaped connecting rod 516, and the spring support seat 519 is concave.

[0029] One end of the fixed stake 5111 away from the inner wall of the roller 4 is movably penetrated through the spring support seat 519 and the slot hole and extends to the bottom of the bow-shaped connecting rod 516, a spring 5112 is movably sleeved on the outer wall of the fixed stake 5111, one end of the spring 5112 is fixedly connected with the inner wall of the roller 4, and the other end of the spring 5112 is fixedly connected with the top of the spring support seat 519.

[0030] In this example, clamping is carried out through the clamping assembly 5, the conical wheel 513 is pushed forward under the drive of the pneumatic cylinder 512, the roller 518 is extended and outwardly pressed by the conical wheel 513, one end of the bow-shaped connecting rod 516 is inwardly retracted and clamped, after the pneumatic cylinder 512 is retracted, the other end of the bow-shaped connecting rod 516 is retracted and rebounded under the drive of the spring 5112, so that the clamping of the thread is realized.

[0031] Example 2

[0032] On the basis of the embodiment 1, the preferable embodiment of the thread fastener clamping device of the torsion testing machine provided by the utility model is as shown in the figure Figures 1-4 As shown: the auxiliary clamping assembly 6 specifically comprises: a polygonal workbench 611 arranged on one side of the roller 4; and support blocks 6117 fixedly installed equidistantly on the top and bottom of the roller 4.

[0033] The support blocks 6117 are fixedly connected with one side of the polygonal workbench 611, equidistantly uniform grooves 612 are formed in the surface of the polygonal workbench 611, groove seats 613 are fixedly installed equidistantly and uniformly on the other side of the polygonal workbench 611, sliding blocks one 614 are slidably connected to the inner wall of the groove seat 613, limit blocks 615 are fixedly installed on the top of the sliding blocks one 614, movable rods 616 are slidably connected to the inner wall of the grooves 612, arch-shaped clamping plates 617 are fixedly connected to the top of the movable rods 616, clamping rods 618 are fixedly connected to one side of the sliding blocks one 614, and semicircular clamping rings 619 are fixedly connected to the end of the clamping rods 618 away from the sliding blocks one 614.

[0034] Equidistantly fixedly installed on the top of the polygonal workbench 611 are groove blocks 6111, and the other two groove blocks 6111 are fixedly installed on the top of the support blocks 6117, sliding blocks two 6112 are slidably connected to the interior of the groove blocks 6111, connecting blocks 6113 are fixedly connected to the surface of the sliding blocks two 6112, and there are two connecting blocks 6113, connecting rods two 6114 are movably connected between the connecting blocks 6113, connecting stakes 6115 are fixedly connected to one side of the sliding blocks two 6112, and the end of the connecting stakes 6115 away from the sliding blocks two 6112 is fixedly connected with the other side of the sliding blocks one 614, and push rods 6116 are fixedly connected to the other side of the sliding blocks two 6112, and the end of the push rods 6116 away from the sliding blocks two 6112 is fixedly connected with one end of the connecting rods one 514.

[0035] In this example, auxiliary clamping is performed through the auxiliary clamping assembly 6, the damage to the chuck is reduced, the connecting rods one 514 are driven by the air cylinder 512 to push, the sliding blocks two 6112 in the groove blocks 6111 are driven by the connecting rods one 514 to slide downward, the sliding blocks one 614 in the groove seats 613 are driven by the sliding blocks two 6112 to shrink in linkage, when the sliding blocks one 614 shrink inward, the limit blocks 615 on the sliding blocks one 614 drive the arch-shaped clamping plates 617 to shrink in linkage, so that the sliding blocks one 614 drive the clamping rods 618 to clamp inward, thereby reducing the damage to the chuck.

[0036] Working principle: first, through the clamping assembly 5 to carry on the clamping, cylinder 512 drives the conical wheel 513 to advance, the conical wheel 513 to the roller 518 is extended to the outside and is pressed, the one end of the arch-shaped connecting rod 516 is inwards and is contracted and is clamped, after the cylinder 512 is recovered, the spring 5112 drives the other end of the arch-shaped connecting rod 516 to carry out the rebound contraction, reduce the damage to the chuck, then through the auxiliary clamping assembly 6 to carry out the auxiliary clamping, reduce the damage to the chuck, through the cylinder 512 drives connecting rod one 514 to carry out the push, connecting rod one 514 drives the slider two 6112 in the sliding groove block 6111 to slide down, the slider two 6112 promotes the slider one 614 in the sliding groove seat 613 to carry out the linkage contraction, when the slider one 614 is inwards and is contracted, the limiting block 615 on the slider one 614 drives the arch-shaped clamping plate 617 to carry out the linkage, makes the slider one 614 drive the clamping rod 618 inwards and clamps advantageously disperses the effect of force, thereby realizes the clamping of the thread and the effect of reducing the wear and tear.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have been described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A torsion testing machine threaded fastener clamping device comprising a worktable (1), characterised in that: The top of the workbench (1) is fixedly installed with a sliding rail (2), the surface of the sliding rail (2) is slidably connected with a support (3), one side of the support (3) is provided with a roller (4), the inside of the roller (4) is provided with a clamping assembly (5), one side of the roller (4) is provided with an auxiliary clamping assembly (6).

2. A threaded fastener clamping device for a torsion testing machine according to claim 1, characterized in that: The clamping assembly (5) specifically includes: A motor (511) is fixedly installed on one side of the support (3); A cylinder (512) is fixedly installed on the inner wall of the roller (4); Fixed blocks (515) are fixedly installed on the inner wall of the roller (4) at equal intervals; Fixed stakes (5111) are fixedly installed on the inner wall of the roller (4) at equal intervals.

3. A threaded fastener clamping device for a torsion testing machine according to claim 2, wherein: The output end of the motor (511) is fixedly connected with a rotating shaft, the other end of the rotating shaft is movably penetrated through one side of the support (3) and extends to the other side and is fixedly connected with the roller (4), the telescopic end of the cylinder (512) is fixedly connected with a conical wheel (513), the top of the conical wheel (513) is fixedly connected with a connecting rod (514), the top of the roller (4) is provided with a sliding groove hole, one end of the connecting rod (514) away from the conical wheel (513) is movably penetrated through the sliding groove hole and extends to the outside of the roller (4).

4. A threaded fastener clamping device for a torsion testing machine according to claim 2 wherein: The two fixed blocks (515) are movably connected with a bow-shaped connecting rod (516) between them, one end of the bow-shaped connecting rod (516) is fixedly connected with a clamping block (517), the other end of the bow-shaped connecting rod (516) is movably connected with a roller (518), a groove is formed in the top side of the bow-shaped connecting rod (516), a spring support seat (519) is fixedly installed on the top side of the bow-shaped connecting rod (516), and the spring support seat (519) is concave.

5. A threaded fastener clamping device for a torsion testing machine according to claim 2 wherein: One end of the fixed stake (5111) away from the inner wall of the roller (4) is movably penetrated through the spring support seat (519) and the groove and extends to the bottom of the bow-shaped connecting rod (516), a spring (5112) is movably arranged on the outer wall of the fixed stake (5111), one end of the spring (5112) is fixedly connected with the inner wall of the roller (4), and the other end of the spring (5112) is fixedly connected with the top of the spring support seat (519).

6. A threaded fastener clamping device for a torsion testing machine according to claim 1 wherein: The auxiliary clamping assembly (6) specifically includes: A polygonal workbench (611) is arranged on one side of the roller (4); Supporting blocks (6117) are fixedly installed on the top and bottom of the roller (4) at equal intervals.

7. A threaded fastener clamping device for a torsion testing machine according to claim 6 wherein: The support block (6117) is fixedly connected with one side of the polygonal workbench (611), the surface of the polygonal workbench (611) is uniformly and equidistantly provided with the sliding groove (612), the other side of the polygonal workbench (611) is uniformly and equidistantly fixedly provided with the sliding groove seat (613), the inner wall of the sliding groove seat (613) is slidably connected with the sliding block one (614), the top of the sliding block one (614) is fixedly provided with the limiting block (615), the inner wall of the sliding groove (612) is slidably connected with the movable rod (616), the top of the movable rod (616) is fixedly connected with the arch-shaped clamping plate (617), one side of the sliding block one (614) is fixedly connected with the clamping rod (618), and one end, away from the sliding block one (614), of the clamping rod (618) is fixedly connected with the semicircular clamping ring (619).

8. A threaded fastener clamping device for a torsion testing machine according to claim 6 wherein: The top of the polygonal workbench (611) is equidistantly and fixedly provided with the sliding groove block (6111), and the other two sliding groove blocks (6111) are fixedly installed on the top of the support block (6117), the inside of the sliding groove block (6111) is slidably connected with the sliding block two (6112), the surface of the sliding block two (6112) is fixedly connected with the connecting block (6113), and the connecting block (6113) is two, the connecting block (6113) is movably connected with the connecting rod two (6114) between the connecting blocks (6113), one side of the sliding block two (6112) is fixedly connected with the connecting stake (6115), one end, away from the sliding block two (6112), of the connecting stake (6115) is fixedly connected with the other side of the sliding block one (614), the other side of the sliding block two (6112) is fixedly provided with the pushing rod (6116), and one end, away from the sliding block two (6112), of the pushing rod (6116) is fixedly connected with one end of the connecting rod one (514).

Images