CN214224806U - Bending test device - Google Patents
Bending test device Download PDFInfo
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- CN214224806U CN214224806U CN202022513499.XU CN202022513499U CN214224806U CN 214224806 U CN214224806 U CN 214224806U CN 202022513499 U CN202022513499 U CN 202022513499U CN 214224806 U CN214224806 U CN 214224806U
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Abstract
The utility model belongs to the technical field of the engineering test, in particular to bending test device. The utility model provides a bending test device, includes base, frame, linear guide, first work piece place the platform, second work piece place the platform and platform position control mechanism, wherein: platform position control mechanism includes hand wheel, bearing frame, fixation clamp and ball, frame fixed mounting be in on the base, linear guide fixed mounting be in the frame, first work piece place the platform, second work piece place the platform respectively with ball is connected, and slidable mounting be in on the linear guide. The utility model discloses a platform position adjustment mechanism adjusts the bending test operation of the adaptable different work pieces of distance between two movable work piece place the platform, device simple structure, and the operation is reliable and stable.
Description
Technical Field
The utility model belongs to the technical field of the engineering test, in particular to bending test device.
Background
The bending test of metal material is mainly used for measuring the bending strength of brittle and low-plasticity material and reflecting the deflection of plasticity index, and is carried out on a universal material machine and has two loading modes of three-point bending and four-point bending. While the brittle material generally fails with a small amount of plastic deformation in the bending test, the plastic material does not measure the bending rupture strength, but its ductility and uniform ductility and uniformity can be examined. The three-point bending test is that a specimen is placed on two supporting points with a certain distance, a downward load is applied to the specimen above the middle point of the two supporting points, and three-point bending occurs when 3 contact points of the specimen form two equal moments.
The existing bending testing machine is complex in structure, poor in running stability and reliability, seriously affects the bending testing effect, is very complex in installation and maintenance, and is used for a three-point bending test to place a specimen on two supporting points at a certain distance, workpieces of different specifications need different placement distances, and the existing bending testing machine cannot meet the requirements of workpieces of various specifications, so that the application range of the bending testing machine is greatly limited.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims at providing a bending test device, through the bending test operation of the adaptable different work pieces of distance between adjusting two movable work piece place the platform, device simple structure, the operation is reliable and stable.
The technical scheme of the utility model lies in: the utility model provides a bending test device, includes base, frame, linear guide, first work piece place the platform, second work piece place the platform and platform position control mechanism, wherein: the first workpiece placing platform comprises a first sliding block, a first supporting shaft, a first adapter plate, a first bearing with a seat, a first nut, a first sliding seat and a right nut seat; the second workpiece placing platform comprises a second sliding block, a second supporting shaft, a second adapter plate, a second bearing with a seat, a second nut, a second sliding seat and a left nut seat; the platform position adjusting mechanism comprises a hand wheel, a bearing seat, a fixing clamp and a ball screw, the bearing seat is fixedly arranged on the side face of the rack, the ball screw is arranged on the bearing seat through the bearing, the fixing clamp is arranged in an installation hole in the bearing seat, and the hand wheel is fixedly arranged at the end part of the ball screw at one end of the bearing seat; the rack is fixedly installed on the base, the linear guide rail is fixedly installed on the rack, and the first workpiece placing platform and the second workpiece placing platform are respectively connected with the ball screw and are slidably installed on the linear guide rail.
First slider with linear guide connects, first slide fixed mounting be in on the first slider, right side nut seat fixed mounting be in on the first slide bottom surface, first nut one end is installed on the nut seat of the right side, and one end is installed ball is last, first fishplate bar fixed mounting be in on the first slide, first belt seat bearing respectively fixed mounting be in first fishplate bar both ends, first supporting axle is installed on the first belt seat bearing.
The second slider with linear guide connects, the second slide fixed mounting be in on the second slider, left side nut seat fixed mounting be in on the second slide bottom surface, second nut one end is installed on the nut seat of a left side, and one end is installed ball is last, the second keysets fixed mounting be in on the second slide, the second takes a pedestal bearing fixed mounting respectively at second keysets both ends, the second back shaft is installed on the second takes a pedestal bearing.
The first supporting shaft and the second supporting shaft are the same in height and in the same plane.
The first nut and the second nut are opposite in rotation direction.
And a limiting sleeve is fixedly arranged at the end part of one end of the ball screw, which is far away from the bearing seat, through a screw.
An annular clamping groove is arranged in the central hole of the bearing seat, and an elastic clamping ring for holes is arranged in the annular clamping groove.
The technical effects of the utility model reside in that: 1. the utility model adopts two movable workpiece placing platforms, the distance between the two movable workpiece placing platforms is adjusted by the platform position adjusting mechanism, the bending test operation of different workpieces can be adapted, the device has simple structure and stable and reliable operation; 2. the utility model discloses an adopt a lead screw to drive two reverse nuts, realized two movable work piece place the platform reverse motion of hand wheel simultaneous control, can realize the quick adjustment of work piece distance, convenient moving positioning.
The following will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a structure of a bending test apparatus of the present invention.
Fig. 2 is a schematic view of the bending test apparatus according to the present invention.
Fig. 3 is a sectional view of the structure a-a of the bending test apparatus of the present invention.
Fig. 4 is a structure right view schematic diagram of a bending test device of the present invention.
Reference numerals: 1-base, 2-frame, 3-linear guide rail, 4-first workpiece placing platform, 5-second workpiece placing platform, 6-hand wheel, 7-bearing, 8-fixing clamp, 9-ball screw, 10-bearing seat, 11-workpiece to be measured, 12-screw, 13-spacing sleeve, 14-annular clamping groove, 15-elastic clamping ring, 41-first sliding block, 42-first supporting shaft, 43-first adapter plate, 44-first bearing seat, 45-first nut, 46-first sliding seat, 47-right nut seat, 51-second sliding block, 52-second supporting shaft, 53-second adapter plate, 54-second bearing seat, 55-second nut, 56-second sliding seat and 57-left nut seat.
Detailed Description
Example 1
In order to overcome the problem that current bending test machine structure is complicated, bending test complex operation to different work pieces, adaptability are poor, the utility model provides a bending test device as shown in figure 1, the utility model discloses an adjust the bending test operation of the adaptable different work pieces of distance between two movable work piece place the platform, device simple structure moves reliable and stable.
As shown in fig. 1, 2 and 3, a bending test apparatus includes a base 1, a frame 2, a linear guide rail 3, a first workpiece placing platform 4, a second workpiece placing platform 5 and a platform position adjusting mechanism, wherein:
the first workpiece placing platform 4 comprises a first slide block 41, a first supporting shaft 42, a first adapter plate 43, a first belt seat bearing 44, a first nut 45, a first slide seat 46 and a right nut seat 47; the second workpiece placing platform 5 comprises a second slide block 51, a second supporting shaft 52, a second adapter plate 53, a second bearing with a seat 54, a second nut 55, a second sliding seat 56 and a left nut seat 57;
the platform position adjusting mechanism comprises a hand wheel 6, a bearing 7, a bearing seat 10, a fixing clamp 8 and a ball screw 9, the bearing seat 10 is fixedly installed on the side face of the rack 2, the ball screw 9 is installed on the bearing seat 10 through the bearing 7, the fixing clamp 8 is installed in an installation hole in the bearing seat 10, and the hand wheel 6 is fixedly installed at the end part of the ball screw 9 at one end of the bearing seat 10;
the machine frame 2 is fixedly installed on the base 1, the linear guide rail 3 is fixedly installed on the machine frame 2, and the first workpiece placing platform 4 and the second workpiece placing platform 5 are respectively connected with the ball screw 9 and slidably installed on the linear guide rail 3.
The utility model discloses utilize platform position adjustment mechanism, adopt hand wheel 6 to drive ball 9 motions to realize the slip of first work piece place the platform 4, second work piece place the platform 5 on linear guide 3, and then adjust the bending test operation of the adaptable different work pieces of distance between two movable work piece place the platform, device simple structure, the operation is reliable and stable.
Example 2
In addition to embodiment 1, in this embodiment, it is preferable that the first slider 41 is connected to the linear guide 3, the first slide block 46 is fixedly attached to the first slider 41, the right nut holder 47 is fixedly attached to a bottom surface of the first slide block 46, one end of the first nut 45 is attached to the right nut holder 47, the other end is attached to the ball screw 9, the first adapter plate 43 is fixedly attached to the first slide block 46, the first holder bearings 44 are fixedly attached to both ends of the first adapter plate 43, and the first support shaft 42 is attached to the first holder bearing 44.
The second slider 51 is connected to the linear guide rail 3, the second slider 51 is fixedly mounted on the second slider 51, the left nut seat 57 is fixedly mounted on the bottom surface of the second slider 56, one end of the second nut 55 is mounted on the left nut seat 57, the other end of the second nut is mounted on the ball screw 9, the second adapter plate 53 is fixedly mounted on the second slider 56, the second seated bearings 54 are respectively fixedly mounted at two ends of the second adapter plate 53, and the second support shaft 52 is mounted on the second seated bearing 54.
In practical use, the hand wheel 6 is rotated to drive the ball screw 9 to rotate, the ball screw 9 drives the first nut 45 and the second nut 55 to synchronously and reversely move, so that the first sliding seat 46 is driven to move rightwards along the linear guide rail 3, and simultaneously the second sliding seat 56 is driven to synchronously move leftwards along the linear guide rail 3, so that the distance between the first support shaft 42 mounted on the first sliding seat 46 and the second support shaft 52 mounted on the second sliding seat 56 is adjusted;
preferably, the first support shaft 42 is substantially the same height as, and in the same plane as, the second support shaft 52.
In practical use, the first supporting shaft 42 and the second supporting shaft 52 have the same height and are in the same plane, so that the workpiece 11 to be measured is ensured to be in a horizontal position during a bending test.
Preferably, the first nut 45 and the second nut 55 are rotated in opposite directions.
In practical use, the first nut 45 and the second nut 55 have opposite rotation directions, so that when the hand wheel 6 pushes the ball screw 9 to move, the two movable workpiece placing platforms can be controlled to move reversely at the same time, the workpiece distance can be quickly adjusted, and the movement and the positioning are convenient.
Preferably, a limiting sleeve 13 is fixedly mounted at one end of the ball screw 9 far away from the bearing seat 10 through a screw 12.
In practical use, the end part of one end of the ball screw 9, which is far away from the bearing seat 10, is fixedly provided with the limiting sleeve 13 through the screw 12, so that the movement range of the ball screw 9 is effectively limited, and the ball screw 9 is prevented from being damaged.
Preferably, an annular clamping groove 14 is arranged in a central hole of the bearing seat 10, and an elastic clamping ring 15 for holes is arranged in the annular clamping groove 14.
In practical use, an annular clamping groove 14 is arranged in a central hole of the bearing seat 10, and an elastic clamping ring 15 for holes is arranged in the annular clamping groove 14, so that the stable movement of the bearing 7 is effectively ensured, and the normal work of the ball screw 9 is ensured.
A bending test device comprises the following specific use processes:
s1: mounting a workpiece to be tested;
placing the workpiece 11 to be measured on the first support shaft 42 of the first workpiece placing platform 4 and the second support shaft 52 of the second workpiece placing platform 5;
s2: adjusting the position of the platform;
the hand wheel 6 is rotated to drive the ball screw 9 to rotate, the ball screw 9 drives the first nut 45 and the second nut 55 to synchronously and reversely move, so that the first sliding seat 46 is driven to move rightwards along the linear guide rail 3, and simultaneously, the second sliding seat 56 is driven to synchronously move leftwards along the linear guide rail 3, so that the distance between the first support shaft 42 arranged on the first sliding seat 46 and the second support shaft 52 arranged on the second sliding seat 56 is adjusted;
s3: locking the platform position;
after the adjustment is completed, the fixing clamp 8 is locked, the ball screw 9 is fixed and cannot rotate, and the first workpiece placing platform 4 and the second workpiece placing platform 5 cannot move, so that the distance between the first supporting shaft 42 and the second supporting shaft 52 can be locked.
S4: performing a bending test;
after the platform is locked, a pressure head of the compression tester is started to vertically press the workpiece downwards, so that the workpiece bending test operation is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (7)
1. A bending test device is characterized in that: including base (1), frame (2), linear guide (3), first work piece place the platform (4), second work piece place the platform (5) and platform position control mechanism, wherein:
the first workpiece placing platform (4) comprises a first sliding block (41), a first supporting shaft (42), a first connecting plate (43), a first bearing with a seat (44), a first nut (45), a first sliding seat (46) and a right nut seat (47); the second workpiece placing platform (5) comprises a second sliding block (51), a second supporting shaft (52), a second adapter plate (53), a second bearing with a seat (54), a second nut (55), a second sliding seat (56) and a left nut seat (57);
the platform position adjusting mechanism comprises a hand wheel (6), a bearing (7), a bearing seat (10), a fixing clamp (8) and a ball screw (9), the bearing seat (10) is fixedly installed on the side face of the rack (2), the ball screw (9) is installed on the bearing seat (10) through the bearing (7), the fixing clamp (8) is installed in an installation hole in the bearing seat (10), and the hand wheel (6) is fixedly installed at the end part of the ball screw (9) at one end of the bearing seat (10);
frame (2) fixed mounting be in on base (1), linear guide (3) fixed mounting be in on frame (2), first work piece place the platform (4), second work piece place the platform (5) respectively with ball (9) are connected, and slidable mounting be in on linear guide (3).
2. A bending test apparatus according to claim 1, wherein: the first sliding block (41) is connected with the linear guide rail (3), the first sliding seat (46) is fixedly installed on the first sliding block (41), the right nut seat (47) is fixedly installed on the bottom surface of the first sliding seat (46), one end of a first nut (45) is installed on the right nut seat (47), one end of the first nut is installed on the ball screw (9), the first adapter plate (43) is fixedly installed on the first sliding seat (46), first seated bearings (44) are respectively fixedly installed at two ends of the first adapter plate (43), and the first supporting shaft (42) is installed on the first seated bearing (44).
3. A bending test apparatus according to claim 1, wherein: the second sliding block (51) is connected with the linear guide rail (3), the second sliding seat (56) is fixedly installed on the second sliding block (51), the left nut seat (57) is fixedly installed on the bottom surface of the second sliding seat (56), one end of a second nut (55) is installed on the left nut seat (57), one end of the second nut is installed on the ball screw (9), the second adapter plate (53) is fixedly installed on the second sliding seat (56), the second seated bearings (54) are respectively fixedly installed at two ends of the second adapter plate (53), and the second support shaft (52) is installed on the second seated bearing (54).
4. A bending test apparatus according to claim 1, wherein: the first support shaft (42) and the second support shaft (52) are identical in height and in the same plane.
5. A bending test apparatus according to claim 1, wherein: the first nut (45) and the second nut (55) are opposite in rotation direction.
6. A bending test apparatus according to claim 1, wherein: and a limiting sleeve (13) is fixedly arranged at the end part of one end of the ball screw (9), which is far away from the bearing seat (10), through a screw (12).
7. A bending test apparatus according to claim 1, wherein: an annular clamping groove (14) is arranged in a central hole of the bearing seat (10), and an elastic clamping ring (15) for holes is arranged in the annular clamping groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022513499.XU CN214224806U (en) | 2020-11-04 | 2020-11-04 | Bending test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022513499.XU CN214224806U (en) | 2020-11-04 | 2020-11-04 | Bending test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214224806U true CN214224806U (en) | 2021-09-17 |
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ID=77696175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022513499.XU Active CN214224806U (en) | 2020-11-04 | 2020-11-04 | Bending test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214224806U (en) |
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2020
- 2020-11-04 CN CN202022513499.XU patent/CN214224806U/en active Active
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