High-performance engineering plastic compression impact resistance detection device convenient to adjust

Abstract

The utility model discloses a convenient-to-adjust high-performance engineering plastic compressive impact resistance detection device, which comprises a mounting seat, a counterweight adjusting mechanism and a height adjusting mechanism, and is characterized in that the upper end of the front side of the mounting seat is rotatably connected with an upper swing arm, the lower end of the interior of the upper swing arm is slidably connected with a lower swing arm, and the middle of the interior of the lower swing arm is provided with a mounting groove; the counterweight adjusting mechanism comprises counterweight blocks, limiting grooves, gears and limiting blocks, the counterweight blocks are clamped in the guide grooves, the limiting grooves are formed in the right ends of the front and rear side walls of the counterweight blocks, and the three gears are rotationally connected to the interior of the mounting groove; the convenient-to-adjust high-performance engineering plastic compressive impact resistance detection device is provided with the pendulum bob capable of being rapidly adjusted, the falling speed can be adjusted by increasing or decreasing the balancing weights and rapidly fixing the balancing weights, and the falling speed and height can be rapidly adjusted by rotating the hand wheel and moving the sample seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering plastics anti -pressure impact detection device technical field, specifically be convenient for the high -performance engineering plastics anti -pressure impact detection device of adjusting. BACKGROUND

[0002] Plastic is a kind of amorphous material, its strength is greatly influenced by impact load, in order to evaluate the quality of plastic product, need to carry out impact strength test, anti -pressure impact detection device as a kind of professional performance test equipment, it is widely used in material research and development, quality control and product improvement etc. field, the existing engineering plastics anti -pressure impact detection device is composed of pendulum, sample seat and pressure sensor, pendulum is rotatably connected to the front end of mounting seat, sample seat is arranged at the front lower end of mounting seat, pressure sensor is arranged at the inner lower end of pendulum, pendulum and sample seat are vertically adjacent, when impact detection, first, the sample is placed in the groove of sample seat, pendulum is deflected to the appropriate height, then release pendulum, pendulum falls quickly by its own gravity, then hit the sample, pressure sensor sends impact data to single-chip microcomputer, realizes the anti -pressure impact detection of engineering plastics through impact data analysis and sample cross section analysis, sometimes, the traditional engineering plastics anti -pressure impact detection device needs to adjust the falling speed and height of pendulum according to actual situation, needs to replace different pendulums, the replacement step is complicated, it is very inconvenient, therefore, we provide a kind of high -performance engineering plastics anti -pressure impact detection device of convenient adjustment. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problems of overcoming the defects of the prior art, and provides a high-performance engineering plastics anti-pressure impact detection device convenient to adjust, which is provided with a pendulum capable of being quickly adjusted, the falling speed can be adjusted by adding or reducing the counterweight blocks and quickly fixing the counterweight blocks, and the falling speed height can be quickly adjusted by rotating the hand wheel and moving the sample seat, so that the problems in the background art can be effectively solved.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of high -performance engineering plastics anti -pressure impact detection device convenient to adjust, including mounting seat, counterweight adjusting mechanism and height adjusting mechanism;

[0005] The front side upper end of mounting seat is rotatably connected with upper swing arm, the inner lower end of upper swing arm is slidably connected with lower swing arm, and the inner middle of lower swing arm is provided with mounting slot;

[0006] The counterweight adjusting mechanism includes counterweight block, limiting slot, gear and limiting block, the counterweight block is clamped in the inner of guide slot, the limiting slot is arranged in the right end of the front and rear side wall of counterweight block, the three gears are rotatably connected in the inner of mounting slot, the limiting block is arranged in the right end of gear, and the limiting block is matched and mounted with the limiting slot vertically adjacent;

[0007] Height adjustment mechanism: It is used to adjust the height of the lower arm and the sample. It is equipped with a quickly adjustable pendulum. The falling speed can be adjusted by adding or removing the counterweight and quickly fixing the counterweight. The falling speed and height can also be quickly adjusted by turning the handwheel and moving the sample holder.

[0008] Furthermore, the counterweight adjustment mechanism also includes a guide groove and a guide block. The guide groove is evenly opened in the middle of the left side of the lower swing arm, and the guide block is arranged in the middle of the front and rear sides of the left side wall of the counterweight block. The outer surface of the guide block is installed in cooperation with the inner wall of the laterally adjacent guide groove to provide guidance and limiting effects for the increase or decrease of the counterweight block, and prevent the counterweight block from moving up and down.

[0009] Furthermore, the counterweight adjustment mechanism also includes a rack plate and a screw rod 1, the rack plate is slidably connected to the inner front side of the mounting slot, the three gears are all meshed with a rack plate, the screw rod 1 is rotatably connected to the middle of the inner front side of the lower swing arm, the lower end of the outer surface of the screw rod 1 is threadedly connected to the inner middle of the rack plate, and the upper end of the screw rod 1 is provided with a knob to provide a driving effect for the movement of the limit block.

[0010] Furthermore, the height adjustment mechanism includes a second screw rod and a handwheel. The second screw rod is rotatably connected to the middle of the inner part of the upper swing arm. The lower end of the outer surface of the second screw rod is threadedly connected to the middle part of the inner upper end of the lower swing arm. The handwheel is arranged at the upper end of the second screw rod to provide a driving effect for the height adjustment work.

[0011] Furthermore, the height adjustment mechanism also includes bolt holes and sample seats. The bolt holes are evenly opened in the middle of the lower end of the front side of the mounting seat, and the sample seats are set at the inner front end of the bolt holes through bolts, providing a basis for the adjustment of the sample seats.

[0012] Furthermore, it also includes a pressure sensor, which is arranged in the middle of the lower end of the lower arm. The pressure sensor is bidirectionally electrically connected to the single-chip microcomputer to facilitate the collection of impact data.

[0013] Furthermore, it also includes a limiting column, which is arranged on the front side of the upper end of the mounting seat. The upper swing arm is installed in conjunction with the limiting column to provide a limiting effect for the height of the pendulum.

[0014] Furthermore, it also includes a single chip microcomputer, which is placed on the right side of the mounting seat. The input end of the single chip microcomputer is electrically connected to an external power supply to provide a control effect for the collection of impact data.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the high-performance engineering plastic compressive impact detection device that is easy to adjust has the following advantages:

[0016] 1、Rotary knob drive screw rotation makes rack plate movement, through the rack and pinion gear meshing makes the limit block deflection, so as to fix and release the counterweight block, facilitate the increase and decrease of counterweight block, through changing the weight of pendulum to adjust the falling speed of pendulum, very convenient.

[0017] 2、Through the bolt can quickly fix the sample seat in different height bolt hole, through rotating hand wheel drive screw two rotation to realize the adjustment of lower swing arm height, so as to realize the adjustment of pendulum height. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model structural schematic diagram is shown in the figure;

[0019] Figure 2 The utility model counterweight adjusting mechanism and height adjusting mechanism section structure schematic diagram is shown in the figure;

[0020] Figure 3 The utility model counterweight adjusting mechanism section structure schematic diagram is shown in the figure;

[0021] Figure 4 The utility model counterweight adjusting mechanism structure schematic diagram is shown in the figure;

[0022] Figure 5 The utility model gear and rack plate structure schematic diagram is shown in the figure.

[0023] In the figure: 1 mounting seat, 2 upper swing arm, 3 lower swing arm, 4 counterweight adjusting mechanism, 41 guide groove, 42 guide block, 43 counterweight block, 44 limit groove, 45 gear, 46 limit block, 47 rack plate, 48 screw one, 5 height adjusting mechanism, 51 screw two, 52 hand wheel, 53 bolt hole, 54 sample seat, 6 pressure sensor, 7 limit column, 8 installation groove, 9 single-chip microcomputer. DETAILED DESCRIPTION

[0024] 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, 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 fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5 The embodiment provides a kind of technical solutions: a kind of high-performance engineering plastic pressure impact detection device of convenient adjustment, including mounting seat 1, counterweight adjusting mechanism 4 and height adjusting mechanism 5;

[0026] Mounting base 1: The upper end of its front side is rotatably connected to the upper swing arm 2. The lower end inside the upper swing arm 2 is slidably connected to the lower swing arm 3. The upper swing arm 2 and the lower swing arm 3 together form a pendulum bob. An installation groove 8 is formed in the middle inside the lower swing arm 3. It further includes a pressure sensor 6. The pressure sensor 6 is arranged in the middle of the lower end inside the lower swing arm 3. The pressure sensor 6 is electrically connected to the single-chip microcomputer 9 bidirectionally, which is convenient for collecting impact data. It further includes a limit post 7. The limit post 7 is arranged on the front side of the upper end of the mounting base 1. The upper swing arm 2 is installed in cooperation with the limit post 7 to provide a limiting effect on the height of the pendulum bob. It further includes a single-chip microcomputer 9. The single-chip microcomputer 9 is placed on the right side of the mounting base 1. The input end of the single-chip microcomputer 9 is electrically connected to an external power supply to provide a control effect for the collection of impact data;

[0027] Counterweight adjustment mechanism 4: It includes a counterweight block 43, a limit groove 44, a gear 45 and a limit block 46. The counterweight blocks 43 are all clamped inside the guide groove 41. The counterweight block 43 is a U-shaped block. The limit grooves 44 are all formed in the right ends of the front and rear side walls of the counterweight block 43. The three gears 45 are all rotatably connected inside the installation groove 8. The limit blocks 46 are all arranged on the right ends of the gears 45. The limit blocks 46 are all installed in cooperation with the longitudinally adjacent limit grooves 44. The counterweight adjustment mechanism 4 further includes a guide groove 41 and a guide block 42. The guide grooves 41 are evenly formed in the middle of the left side of the lower swing arm 3. The guide blocks 42 are arranged in the middle of the front and rear sides of the left side wall of the counterweight block 43. The outer surfaces of the guide blocks 42 are all installed in cooperation with the inner walls of the transversely adjacent guide grooves 41 to provide guidance and limitation for the increase and decrease of the counterweight block 43 and prevent the counterweight block 43 from moving up and down. The counterweight adjustment mechanism 4 further includes a rack plate 47 and a first lead screw 48. The rack plate 47 is slidably connected inside the front side of the installation groove 8. The three gears 45 are all meshed with a rack plate 47. The first lead screw 48 is rotatably connected to the middle of the front side inside the lower swing arm 3. The lower end of the outer surface of the first lead screw 48 is threadedly connected to the middle inside the rack plate 47. A knob is arranged at the upper end of the first lead screw 48 to provide a driving effect for the movement of the limit block 46;

[0028] Height adjustment mechanism 5: It is used for adjusting the height of the lower swing arm 3 and the specimen. The height adjustment mechanism 5 includes a second lead screw 51 and a handwheel 52. The second lead screw 51 is rotatably connected to the middle inside the upper swing arm 2. The lower end of the outer surface of the second lead screw 51 is threadedly connected to the middle of the upper end inside the lower swing arm 3. The handwheel 52 is arranged at the upper end of the second lead screw 51 to provide a driving effect for the height adjustment work. The height adjustment mechanism 5 further includes bolt holes 53 and specimen seats 54. The bolt holes 53 are evenly formed in the middle of the lower front side of the mounting base 1. The specimen seats 54 are all arranged inside the front ends of the bolt holes 53 through bolts. A groove is formed in the middle of the specimen seat 54 to facilitate the placement of the specimen and provide a basis for the adjustment of the specimen seat 54. There is a pendulum bob that can be quickly adjusted. The falling speed can be adjusted by increasing or decreasing the counterweight block 43 and quickly fixing the counterweight block 43. The falling speed height can also be quickly adjusted by rotating the handwheel 52 and moving the specimen seat 54.

[0029] The working principle of the high-performance engineering plastic compression impact detection device convenient to adjust is as follows: when the engineering plastic compression impact detection is performed, the adjustment work is performed according to the actual situation, the falling speed is first adjusted, the weight of the pendulum bob is changed by increasing or decreasing the counterweight 43, the greater the weight, the greater the falling speed, and vice versa, the knob is reversed, the lead screw one 48 is driven to rotate, with the rotation of the lead screw one 48, the rack plate 47 moves downward, because the rack plate 47 is engaged with the gear 45, so with the movement of the rack plate 47, the gear 45 also rotates, the limit block 46 is deflected, until the limit block 46 is in a vertical state, at this time, the limit block 46 leaves the inside of the limit groove 44, at this time, the counterweight 43 loses the fixing effect, then the counterweight 43 can be increased or decreased at will, when the counterweight 43 is increased, the guide block 42 in the counterweight 43 needs to be aligned with the guide groove 41, so that the guide block 42 is located in the guide groove 41, preventing the counterweight 43 from moving up and down, then the knob is turned forward, the rack plate 47 moves upward, the limit block 46 is deflected through the engagement of the rack plate 47 and the gear 45, the limit block 46 is located in the limit groove 44 again, limiting the counterweight 43, preventing the counterweight 43 from moving left and right, then the height is adjusted, the bolt is rotated to detach the sample seat 54, then the sample seat 54 is moved upward to the front side of the appropriate bolt hole 53, and then the sample seat 54 is fixed through the bolt, then the hand wheel 52 is rotated, when the hand wheel 52 is turned forward, the lead screw two 51 rotates, the lower swing arm 3 moves upward, when the hand wheel 52 is reversed, the lead screw two 51 rotates, the lower swing arm 3 moves downward, until the lower swing arm 3 moves to the position where the pressure sensor 6 is aligned with the groove of the sample seat 54, at this time, the adjustment work is completed, then the sample is placed in the groove in the middle of the sample seat 54, the pendulum bob is moved, until the outer surface of the upper swing arm 2 contacts the limit column 7, then the pendulum bob is released, the pendulum bob deflects downward to impact the sample, when the impact occurs, the single-chip microcomputer 9 controls the pressure sensor 6 to work, the pressure sensor 6 collects impact data, and then sends an electric signal to the single-chip microcomputer 9, the single-chip microcomputer 9 displays the data after processing, and the impact detection result of the sample is obtained through the analysis of the data and the sample cross section.

[0030] It is worth noting that the single-chip microcomputer 9 disclosed in the above embodiment is an STM8S207C8T6 single-chip microcomputer, and the pressure sensor 6 is an L2030 pressure sensor, and the single-chip microcomputer 9 controls the pressure sensor 6 to work by using a method commonly used in the prior art.

[0031] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion obtained by using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A high performance engineering plastic compression impact detection device for ease of adjustment, characterized by: It includes mounting seat (1), counterweight adjusting mechanism (4) and height adjusting mechanism (5); The mounting seat (1) is provided with the upper swing arm (2) on the front upper end, and the lower swing arm (3) is slidably connected to the inner lower end of the upper swing arm (2), and the mounting groove (8) is formed in the inner middle of the lower swing arm (3); The counterweight adjusting mechanism (4) includes counterweight blocks (43), limiting grooves (44), gears (45) and limiting blocks (46), the counterweight blocks (43) are clamped in the inner guide grooves (41), the limiting grooves (44) are formed on the right ends of the front and rear side walls of the counterweight blocks (43), the three gears (45) are rotatably connected to the inner mounting groove (8), the limiting blocks (46) are arranged on the right ends of the gears (45), and the limiting blocks (46) are arranged on the right ends of the gears (45). The height adjusting mechanism (5) is used for adjusting the height of the lower swing arm (3) and the sample.

2. The high performance engineering plastic compression impact detection device of claim 1, wherein: It also includes a single-chip microcomputer (9) placed on the right side of the mounting seat (1), and the input end of the single-chip microcomputer (9) is electrically connected with an external power supply.

3. The high performance engineering plastic compression impact detection device of claim 1, wherein: The counterweight adjusting mechanism (4) further includes guide grooves (41) and guide blocks (42), the guide grooves (41) are evenly formed on the left middle part of the lower swing arm (3), and the guide blocks (42) are arranged on the front and rear middle parts of the left side walls of the counterweight blocks (43).

4. The high performance engineering plastic compression impact detection device of claim 1, wherein: The counterweight adjusting mechanism (4) further includes a rack plate (47) and a lead screw (48), the rack plate (47) is slidably connected to the inner front side of the mounting groove (8), the three gears (45) are meshingly connected with one rack plate (47), the lead screw (48) is rotatably connected to the inner front middle part of the lower swing arm (3), the outer surface lower end of the lead screw (48) is threadedly connected with the inner middle part of the rack plate (47), and the upper end of the lead screw (48) is provided with a knob.

5. The high performance engineering plastic compression impact detection device of claim 1, wherein: The height adjusting mechanism (5) includes a lead screw (51) and a hand wheel (52), the lead screw (51) is rotatably connected to the inner middle part of the upper swing arm (2), the outer surface lower end of the lead screw (51) is threadedly connected with the inner upper middle part of the lower swing arm (3), and the hand wheel (52) is arranged on the upper end of the lead screw (51).

6. The high performance engineering plastic compression impact detection device of claim 1, wherein: The height adjusting mechanism (5) further includes bolt holes (53) and sample seats (54), the bolt holes (53) are evenly formed on the front lower end middle part of the mounting seat (1), and the sample seats (54) are arranged in the inner front ends of the bolt holes (53) through bolts.

7. The high performance engineering plastic compression impact detection device of claim 2, wherein: It also includes a pressure sensor (6) arranged on the inner lower middle part of the lower swing arm (3), and the pressure sensor (6) is bidirectionally electrically connected with the single-chip microcomputer (9).

8. The high performance engineering plastic compression impact detection device of claim 1, wherein: It also includes a limiting column (7) arranged on the upper front side of the mounting seat (1), and the upper swing arm (2) is arranged in the limiting column (7).

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