Metal part strength testing tool

Abstract

The utility model belongs to the technical field of impact strength testing, and discloses a metal part strength testing tool which comprises a supporting table, a supporting frame is fixed to the upper end of the left side of the supporting table, a positioning seat is fixed below the supporting frame, a rotating disc is rotationally connected to the lower end of the positioning seat, and a first connecting rod is fixed to the lower end of the rotating disc. A second connecting rod sleeves the lower end of the first connecting rod, a detection hammer is fixed to the lower end of the second connecting rod, a limiting sliding groove is formed in the upper end of the right side of the supporting table, a clamping plate is connected to the upper end of the limiting sliding groove, and a two-way threaded rod is arranged in the limiting sliding groove. According to the metal part strength test tool, the detection hammer capable of rotating and swinging is arranged, the detection hammer can collide with the detection workpiece under the swinging of natural gravity, so that a relatively large impact force is provided, the structural strength of the metal part is detected, and the metal part is prevented from falling off during impact detection in cooperation with the clamping structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to impact strength test technical field, concretely is a kind of metal parts strength test tooling. BACKGROUND

[0002] Impact strength test equipment is usually used to detect the structural strength or physical strength of workpiece, and the detection workpiece is impacted by swing detection hammer when swinging to fall, so as to detect the strength of workpiece, but there are still some problems in the use of existing impact strength test equipment.

[0003] The existing part impact strength detection equipment such as Chinese patent application No. CN210347359U, the impact strength detection equipment includes table body, impact platform located on the table body, positioning assembly located on both sides of the impact platform and impact assembly located above the impact platform;Among them: the impact position of the impact platform is provided with curved convex, the curved convex is provided with blanking runner on both sides;The positioning assembly includes positioning oil cylinder and positioning block located on the piston rod end of the positioning oil cylinder, the positioning block is provided with clamping groove;The impact assembly includes impact cylinder and punch located on the piston rod end of the impact cylinder, the punch and the impact position of the impact platform are on the same straight line;But the existing part impact strength detection device uses cylinder to control when using, the detection effect is not ideal, it is not convenient to provide the instantaneous impact force required for detection, and the adjustment operation of cylinder to impact strength is also inconvenient.

[0004] Therefore, we propose a kind of metal parts strength test tooling to solve the problems raised in the above. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of metal parts strength test tooling to solve the problem of not being convenient to carry out instantaneous impact when using the existing part impact strength detection device raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of metal parts strength test tooling, including support table:

[0007] The support frame is fixed on the left side upper end of the support table, and the positioning seat is fixed below the support frame, and the rotating disc is rotatably connected to the lower end of the positioning seat, the first connecting rod is fixed to the lower end of the rotating disc, and the second connecting rod is externally sleeved to the lower end of the first connecting rod, and the detection hammer is fixed to the lower end of the second connecting rod;

[0008] The limiting sliding slot is opened on the right side upper end of the support table, and the clamping plate is connected to the upper end of the limiting sliding slot, the bidirectional screw rod is arranged in the limiting sliding slot, and the bidirectional screw rod penetrates the lower end of the clamping plate;

[0009] The upper end of the support frame is provided with an electric push rod, and the lower end of the electric push rod is connected with a movable block.

[0010] Preferably, the rotating disc is rotationally connected with the positioning seat, and the first connecting rod is slidingly connected with the second connecting rod.

[0011] Preferably, equidistant positioning holes are formed in the middle of the first connecting rod, the upper end of the second connecting rod is connected with a positioning bolt, the positioning bolt extends into the second connecting rod, and the positioning bolt is threadedly connected with the positioning holes.

[0012] By the cooperation of the first connecting rod and the second connecting rod, the detection hammer can be connected, and when the first connecting rod and the second connecting rod rotate around the rotating disc, the detection hammer can be driven to hammer the part to be detected, so that the strength of the part to be detected can be detected, and the height of the detection hammer can be adjusted by connecting the positioning bolt with different positioning holes, so that the detection position can be changed.

[0013] Preferably, the upper end of the limiting block is designed in a "T" shape, and the limiting block is slidingly connected with the movable block, the movable block is internally provided with a return spring, and the upper and lower ends of the return spring are respectively connected with the inner wall of the movable block and the limiting block.

[0014] By the design of the return spring, the limiting block can be pushed to move downward, and when the limiting block extends to the inner wall of the limiting slot, the rotation of the rotating disc can be limited.

[0015] Preferably, the lower end of the limiting block is designed in an inclined surface on the left side, and the limiting slots are annularly arranged around the center point of the rotating disc.

[0016] By the design of the limiting block with the inclined surface at the lower end, when the rotating disc rotates clockwise, the limiting block can be continuously pressed to shrink upward, and the rotation of the rotating disc will not be limited, and when the rotating disc stops rotating, the limiting block can extend into the limiting slot again to limit the rotation of the rotating disc.

[0017] Preferably, the clamping plates are mirror-imaged distributed on the front and rear sides of the support table, and the clamping plates are designed in an "L" shape, the opposite sides of the upper ends of the two groups of clamping plates are connected with anti-skid strips, the anti-skid strips are equidistantly arranged, the lower ends of the clamping plates are slidingly connected with the limiting sliding grooves, the lower ends of the clamping plates are threadedly connected with the bidirectional threaded rods, the front ends of the bidirectional threaded rods extend to the outside of the front end of the support table, and the front ends of the bidirectional threaded rods are connected with a crank handle.

[0018] Adopting the technical scheme, the workpiece to be detected can be clamped and fixed through the two sets of clamping plates, the rotating handle can be operated to drive the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the two sets of clamping plates to move in opposite directions to complete clamping, and the design of the plurality of anti-skid strips can improve the stability of clamping.

[0019] Compared with the prior art, the metal part strength test tool has the advantages that:

[0020] 1. The rotatable and swingable detection hammer can impact the detection workpiece under the swing of natural gravity, thereby providing a large impact force, and the structure strength of the metal part is detected, and the clamping structure is matched to avoid the falling of the metal part during impact detection.

[0021] 2. The detection hammer can be manually lifted before detection, and the angle of the detection hammer can be positioned after being lifted, the limiting structure can be directly controlled to rise by the electric push rod during detection, the rotation of the detection hammer is released, the detection hammer naturally swings and falls to complete impact detection, the height of the detection hammer can be adjusted, and the detection position is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the utility model;

[0023] Figure 2 It is a support frame and positioning seat structure schematic view of the utility model;

[0024] Figure 3 It is a clamping plate limiting sliding groove strip structure schematic view of the utility model;

[0025] Figure 4 It is a clamping plate and anti-skid strip structure schematic view of the utility model;

[0026] Figure 5 It is a second connecting rod and detection hammer structure schematic view of the utility model;

[0027] Figure 6 It is a turntable and limiting groove structure schematic view of the utility model.

[0028] In the figure: 1, support table; 2, support frame; 3, positioning seat; 4, turntable; 5, first connecting rod; 6, second connecting rod; 7, detection hammer; 8, positioning hole; 9, positioning bolt; 10, limiting sliding groove; 11, clamping plate; 12, anti-skid strip; 13, bidirectional threaded rod; 14, handle; 15, electric push rod; 16, movable block; 17, limiting block; 18, return spring; 19, limiting groove. DETAILED DESCRIPTION

[0029] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor are within the scope of protection of the present utility model.

[0030] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of metal part strength test tool, including support table 1, support table 1 left side upper end is fixed with support frame 2, and support frame 2 below is fixed with positioning seat 3, and positioning seat 3 lower end is rotatably connected with carousel 4, carousel 4 lower end is fixed with first connecting rod 5, and first connecting rod 5 lower end is externally equipped with second connecting rod 6, and second connecting rod 6 lower end is fixed with detection hammer 7;Carousel 4 is rotatably connected with positioning seat 3, first connecting rod 5 is slidably connected with second connecting rod 6;First connecting rod 5 middle part equidistant array is provided with positioning hole 8, and second connecting rod 6 upper end is connected with positioning bolt 9, and positioning bolt 9 extends to second connecting rod 6 interior, and positioning bolt 9 is screwedly connected with positioning hole 8;By the cooperation of support table 1 and support frame 2, impact detection structure is supported, carousel 4 is installed using positioning seat 3, and carousel 4 is connected with detection hammer 7 using first connecting rod 5 and second connecting rod 6, when manually lifting first connecting rod 5, second connecting rod 6 and detection hammer 7, it can make natural swing and fall and collide with metal part to complete detection, and because the cooperation of positioning bolt 9 and positioning hole 8 between first connecting rod 5 and second connecting rod 6 is completed connection, the height adjustment of detection hammer 7 can be completed by the connection of positioning bolt 9 and the positioning hole 8 of different positions, so as to detect different positions.

[0031] The upper end of the support frame 2 is provided with an electric push rod 15, and the lower end of the electric push rod 15 is connected with a movable block 16, the inside of the movable block 16 is provided with a limiting block 17, the outer wall of the rotating disc 4 is provided with a limiting groove 19, and the lower end of the movable block 16 extends to the inside of the limiting groove 19 through the movable block 16; the lower end left side of the limiting block 17 is designed as an inclined surface, the limiting grooves 19 are arranged in an annular array around the center point of the rotating disc 4; the upper end of the limiting block 17 is designed as a “T” shaped structure, and the limiting block 17 is slidably connected with the movable block 16, the inside of the movable block 16 is provided with a return spring 18, and the upper and lower ends of the return spring 18 are connected with the inner wall of the movable block 16 and the limiting block 17 respectively; the electric push rod 15 can drive the movable block 16 and the limiting block 17 installed inside to move up and down synchronously, when the movable block 16 moves downward, the return spring 18 can drive the limiting block 17 to extend to the inside of the limiting groove 19, because the left side of the limiting block 17 is an inclined surface, when the detection hammer 7 is manually lifted, the rotating disc 4 rotates and continuously presses the limiting block 17 to shrink upward, when the detection hammer 7 is lifted to a proper angle, the return spring 18 drives the limiting block 17 to engage with the limiting groove 19 again, so as to fix the angle of the detection hammer 7, when the person moves away, the electric push rod 15 drives the movable block 16 and the limiting block 17 to move upward, so as to release the restriction on the rotation of the rotating disc 4, so that the detection hammer 7 can normally swing and fall to complete the impact.

[0032] The right upper end of the support table 1 is provided with a limiting sliding groove 10, and the upper end of the limiting sliding groove 10 is connected with a clamping plate 11, the inside of the limiting sliding groove 10 is provided with a bidirectional threaded rod 13, and the lower end of the clamping plate 11 penetrates through the bidirectional threaded rod 13; the clamping plates 11 are mirror imaged distributed on the front and back sides of the support table 1, and the clamping plate 11 is designed as an “L” shaped structure, the opposite sides of the upper ends of the two groups of clamping plates 11 are connected with anti-skid strips 12, and the anti-skid strips 12 are equidistantly arranged in an array, the lower end of the clamping plate 11 is slidably connected with the limiting sliding groove 10, and the lower end of the clamping plate 11 is threadedly connected with the bidirectional threaded rod 13, the front end of the bidirectional threaded rod 13 extends to the outside of the front end of the support table 1, and the front end of the bidirectional threaded rod 13 is connected with a rocking handle 14, the rocking handle 14 is manually rotated to drive the bidirectional threaded rod 13 to rotate, and the bidirectional threaded rod 13 rotates to drive the two groups of clamping plates 11 to move in opposite directions, the limiting sliding groove 10 cooperates with the clamping plate 11 to improve the activity stability of the clamping plate 11, and clamps the workpiece to be detected, and the arrayed anti-skid strips 12 can improve the reliability of clamping.

[0033] Thus a series of work is completed, and the contents not described in detail in the specification belong to the prior art known by the professional technical personnel.

[0034] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A strength testing fixture for metal parts, comprising a support platform (1), characterized in that: The support platform (1) has a support frame (2) fixed on the upper left side, and a positioning seat (3) is fixed below the support frame (2). The lower end of the positioning seat (3) is rotatably connected to a turntable (4). The lower end of the turntable (4) is fixed with a first connecting rod (5), and a second connecting rod (6) is sleeved on the lower end of the first connecting rod (5). The lower end of the second connecting rod (6) is fixed with a detection hammer (7). The upper right side of the support platform (1) is provided with a limiting slide groove (10), and the upper end of the limiting slide groove (10) is connected to a clamping plate (11). The limiting slide groove (10) is provided with a bidirectional threaded rod (13), and the bidirectional threaded rod (13) passes through the lower end of the clamping plate (11). An electric push rod (15) is installed on the upper end of the support frame (2), and a movable block (16) is connected to the lower end of the electric push rod (15). A limit block (17) is provided inside the movable block (16), and a limit groove (19) is opened on the outer wall of the turntable (4). The lower end of the movable block (16) extends through the movable block (16) into the limit groove (19).

2. The metal part strength testing fixture according to claim 1, characterized in that: The turntable (4) is rotatably connected to the positioning seat (3), and the first connecting rod (5) is slidably connected to the second connecting rod (6).

3. The metal part strength testing fixture according to claim 2, characterized in that: The first connecting rod (5) has equidistant array of positioning holes (8) in the middle. The upper end of the second connecting rod (6) is connected to a positioning bolt (9), which extends into the interior of the second connecting rod (6) and is threadedly connected to the positioning hole (8).

4. The metal part strength testing fixture according to claim 1, characterized in that: The upper end of the limiting block (17) is designed with a "T" shape, and the limiting block (17) is slidably connected to the movable block (16). The movable block (16) is provided with a reset spring (18), and the upper and lower ends of the reset spring (18) are respectively connected to the inner wall of the movable block (16) and the limiting block (17).

5. The metal part strength testing fixture according to claim 4, characterized in that: The lower left side of the limiting block (17) is designed with an inclined surface, and the limiting grooves (19) are arranged in a ring array with the center point of the turntable (4) as the axis.

6. The metal part strength testing fixture according to claim 1, characterized in that: The clamping plates (11) are mirrored on the front and rear sides of the support platform (1), and the clamping plates (11) are designed in an "L" shape. The upper ends of the two sets of clamping plates (11) are connected to anti-slip strips (12) on opposite sides, and the anti-slip strips (12) are distributed in an equidistant array. The lower end of the clamping plate (11) is slidably connected to the limiting slide groove (10), and the lower end of the clamping plate (11) is threadedly connected to the bidirectional threaded rod (13). The front end of the bidirectional threaded rod (13) extends to the outside of the front end of the support platform (1), and the front end of the bidirectional threaded rod (13) is connected to a crank handle (14).

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