CN220136841U

CN220136841U - Low-temperature impact test device

Info

Publication number: CN220136841U
Application number: CN202321712031.0U
Authority: CN
Inventors: 唐千翔; 胡敏
Original assignee: Dongguan Anci Electronic Technology Co ltd
Current assignee: Dongguan Anci Electronic Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-05
Anticipated expiration: 2033-06-30

Abstract

The utility model particularly relates to a low-temperature impact test device which comprises a workbench, wherein a hydraulic cylinder is arranged on the upper end face of the workbench, an impact measuring head is fixed at the lower end of the hydraulic cylinder through a connecting rod, a fixing plate is slidably arranged on the upper end face of the workbench, a positioning plate is arranged on the upper end face of the fixing plate, a plurality of threaded sleeves matched with each other are rotatably arranged on the inner side of the upper end face of the fixing plate at equal intervals, a first threaded rod matched with the threaded sleeves is inserted into the outer end face of the positioning plate, a driving toothed ring matched with the threads of the threaded sleeves is rotatably arranged on the upper end face of the fixing plate, a fixing frame arranged in mode is fixedly arranged on the upper end face of the workbench, the hydraulic cylinder is fixedly arranged on the upper end of the fixing frame, the diameter of the fixing plate is matched with the width of an inner cavity of the fixing frame, a limiting sliding groove is formed in the upper end face of the fixing plate, and a limiting sliding block matched with the limiting sliding groove is fixedly arranged on the lower end face of the fixing plate.

Description

Low-temperature impact test device

Technical Field

The utility model relates to the technical field of impact test equipment, in particular to a low-temperature impact test device.

Background

The low-temperature impact test of the metal piece is a main detection means for measuring the physical properties of the metal piece, the processed and molded metal piece is placed on an impact test device, and the physical properties of the metal piece are detected by applying impact force to the metal piece;

the patent document with publication number of CN213580500U in the prior art provides a detection device for low-temperature impact test of metal parts; the device firstly places a metal piece on a fixed plate, the metal piece is pressed and fixed by a pressing plate driven by an adjusting screw through rotating a hand wheel, the metal piece is driven to move by a sliding table through starting a conveying motor, the metal piece is conveyed to a punching area through the movement of the sliding plate by the conveying motor, a hydraulic cylinder is driven to act through hydraulic control, the hydraulic cylinder drives an impact measuring head to impact the metal piece through a connecting seat, the impact measuring head is electrically connected with a control system, the impact force generated by the impact measuring head is transmitted to the control system until the metal piece is broken, the low-temperature impact test of the metal piece can be completed, the whole test process is carried out under a proper low-temperature environment, the metal piece is automatically fed and fixed through manual adjustment, so that the metal piece is more convenient to feed and discharge, the impact of the equipment can be reduced through a vibration reduction seat and a vibration reduction spring which are arranged, the impact effect of the impact process is achieved, the impact operation of the equipment is more stable, and the use limitation is reduced;

although the device has more beneficial effects, the following problems still exist: when the impact measuring head impacts the metal piece downwards, the metal piece can deform, the middle of the metal piece can be sunken downwards, so that the periphery of the metal piece can be overturned upwards or contracted towards the middle, however, the device clamps and fixes the metal piece on the upper side and the lower side through the pressing plate and the fixing plate, and the deformation movement of the metal piece can be blocked, so that the test effect is deviated.

Disclosure of Invention

The present utility model is directed to a low temperature impact test apparatus for solving the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-temperature impact test device comprises a workbench, the workstation up end is equipped with the pneumatic cylinder, the pneumatic cylinder lower extreme is fixed with the impact gauge head through the connecting rod, workstation up end slidable mounting has the fixed plate, the fixed plate up end is equipped with the locating plate, a plurality of screw thread sleeve that match each other are installed in the inboard equidistant rotation of fixed plate up end, a plurality of the grafting of locating plate outer terminal surface is installed and is threaded sleeve screw thread complex first threaded rod, the fixed plate up end rotate install with a plurality of screw thread sleeve peripheral screw thread complex drive ring.

Preferably, the workstation up end is fixed with the mount that is type setting, the pneumatic cylinder is fixed in the mount upper end, just the fixed plate diameter matches with mount inner chamber width.

Preferably, the limiting sliding groove is formed in the upper end face of the workbench, a limiting sliding block in sliding fit with the limiting sliding groove is fixed on the lower end face of the fixing plate, a second threaded rod in threaded fit with the limiting sliding block is rotatably mounted in the limiting sliding groove, a motor box is fixed at the outer end of the limiting sliding groove, and the inner end face of the motor box is fixedly connected with the outer end of the second threaded rod through an output shaft of the motor box.

Preferably, a first cavity and a second cavity which are mutually communicated are formed in the fixed plate and the limiting slide block, an exhaust cavity is formed in the upper end face of the first cavity, and the second cavity is arranged on the periphery of the threaded connection part of the limiting slide block and the second threaded rod.

Preferably, the outer end of the limiting chute is fixedly provided with an air inlet pipe, and a plurality of telescopic sleeves which are mutually inserted are arranged between the air inlet pipe and the second cavity.

Preferably, the locating plate outer end face is fixed with the gag lever post of pegging graft with first threaded rod, be fixed with the spring between first threaded rod and the gag lever post.

Compared with the prior art, the utility model has the beneficial effects that:

according to the low-temperature impact test device, through the threaded fit between the threaded sleeve and the first threaded rod, when the driving toothed ring is rotated, each positioning plate can be simultaneously driven to move inwards, the periphery of a metal piece can be clamped, and when the metal piece is deformed, the deformation of the metal piece cannot be influenced.

This low temperature impact test device sets up first cavity and second cavity, and cooperation intake pipe and telescopic tube can be with inside the low temperature air injection device to through the exhaust chamber, can be with low temperature air at the peripheral blowout of metalwork, reach the effect of cooling down to the metalwork.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the work table of the present utility model;

FIG. 4 is a schematic view showing the internal structure of the fixing plate of the present utility model;

FIG. 5 is a schematic view of the internal split structure at the fixing plate of the present utility model;

fig. 6 is a schematic view of the internal split structure of the first threaded rod of the present utility model.

In the figure:

1. a work table; 11. a fixing frame; 12. a hydraulic cylinder; 13. impact measuring head;

2. a motor case; 21. limiting sliding grooves; 22. a second threaded rod;

3. a fixing plate; 31. a limit sliding block; 32. a positioning plate; 33. a threaded sleeve; 34. a first threaded rod; 36. driving the toothed ring; 37. a limit rod; 38. a spring;

4. an air inlet pipe; 41. an exhaust chamber; 42. a first cavity; 43. a second cavity; 44. and (5) telescoping the sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the low-temperature impact test device comprises a workbench 1, wherein a hydraulic cylinder 12 is arranged on the upper end face of the workbench 1, an impact measuring head 13 is fixed at the lower end of the hydraulic cylinder 12 through a connecting rod, a fixing plate 3 is slidably mounted on the upper end face of the workbench 1, a positioning plate 32 is arranged on the upper end face of the fixing plate 3, a plurality of threaded sleeves 33 which are matched with each other are rotatably mounted on the inner side of the upper end face of the fixing plate 3 at equal intervals, a first threaded rod 34 which is in threaded fit with the threaded sleeves 33 is inserted and mounted on the outer end face of the positioning plate 32, and a driving toothed ring 36 which is in threaded fit with the periphery of the threaded sleeves 33 is rotatably mounted on the upper end face of the fixing plate 3.

Working principle: when the device is used, a metal piece to be tested is placed in the middle of the upper end face of the fixed plate 3, the driving toothed ring 36 is rotated at the periphery of the upper end of the fixed plate 3, a plurality of threaded sleeves 33 can be driven to rotate simultaneously through the meshing effect between the driving toothed ring 36 and each threaded sleeve 33, each positioning plate 32 can be driven to move inwards through the threaded fit between the threaded sleeve 33 and the first threaded rod 34, the metal piece can be clamped and positioned at the periphery of the metal piece, the impact measuring head 13 is driven to move downwards through the hydraulic cylinder 12, and the metal piece can be subjected to impact test.

Specifically, the upper end face of the workbench 1 is fixed with a fixing frame 11 which is -type, the hydraulic cylinder 12 is fixed at the upper end of the fixing frame 11, the diameter of the fixing plate 3 is matched with the width of the inner cavity of the fixing frame 11, the outer end face of the positioning plate 32 is fixed with a limiting rod 37 which is inserted with a first threaded rod 34, and a spring 38 is fixed between the first threaded rod 34 and the limiting rod 37.

Set up mount 11, can fix pneumatic cylinder 12, provide and strike gauge head 13 up-and-down motion space, mount 11 is type setting, and its inner chamber width matches with fixed plate 3 diameter, when fixed plate 3 moves, can avoid appearing interfering between it and the mount 11, set up gag lever post 37 and spring 38, when the laminating of its locating plate 32 and metalwork outer end, can provide the space that its rear end first threaded rod 34 continues the activity for pivoted drive ring gear 36 can continue to drive other locating plates 32 inward movement, guarantee the centre gripping effect of a plurality of locating plates 32 to the metalwork.

It is worth to say that the upper end surface of the workbench 1 is provided with a limiting sliding groove 21, the lower end surface of the fixed plate 3 is fixed with a limiting sliding block 31 which is in sliding fit with the limiting sliding groove 21, the limiting sliding groove 21 is rotationally provided with a second threaded rod 22 which is in threaded fit with the limiting sliding block 31, the outer end of the limiting sliding groove 21 is fixed with a motor box 2, and the inner end surface of the motor box 2 is fixedly connected with the outer end of the second threaded rod 22 through an output shaft of the motor box 2.

When adjusting the metalwork to the impact gauge head 13 lower extreme, start the inside motor of motor case 2, through its output shaft, can drive second threaded rod 22 rotation, the sliding fit between rethread spacing slider 31 and the spacing spout 21 for pivoted second threaded rod 22 can be through its with spacing slider 31 between screw-thread fit, drive fixed plate 3 slides in workstation 1 upper end, reaches the effect of adjusting the metalwork to impact gauge head 13 lower extreme.

It is noted that a first cavity 42 and a second cavity 43 which are mutually communicated are formed in the fixed plate 3 and the limiting slide block 31, the upper end face of the first cavity 42 is provided with a gas exhaust cavity 41, the second cavity 43 is arranged on the periphery of the threaded connection part of the limiting slide block 31 and the second threaded rod 22, the outer end of the limiting slide groove 21 is fixedly provided with a gas inlet pipe 4, and a plurality of telescopic sleeves 44 which are mutually inserted are arranged between the gas inlet pipe 4 and the second cavity 43.

When the fixed plate 3 moves, through the plug-in cooperation between a plurality of telescopic tubes 44, the air inlet pipe 4 and the second cavity 43 are always communicated with each other, when the metal piece is cooled, the outer end of the air inlet pipe 4 is connected with external refrigeration equipment, the manufactured low-temperature air can be injected into the first cavity 42 and the second cavity 43 through the air inlet pipe 4 and the external refrigeration equipment, the low-temperature air can be discharged out of the periphery of the metal piece through the exhaust cavity 41 at the upper end of the fixed plate 3, and the effect of cooling the metal piece is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The low-temperature impact test device comprises a workbench (1), and is characterized in that: the utility model discloses a workbench, including workstation (1), connecting rod, locating plate (3), locating plate (32), screw sleeve (33) that a plurality of mutual matches are installed in equidistant rotation of locating plate (3) up end, a plurality of first threaded rod (34) with screw sleeve (33) screw thread complex are pegged graft to locating plate (32) outer terminal surface, fixed plate (3) up end rotation install with a plurality of screw sleeve (33) peripheral screw thread complex drive ring (36).

2. The low temperature impact test apparatus according to claim 1, wherein: the workbench is characterized in that a fixing frame (11) arranged in a mode is fixed on the upper end face of the workbench (1), the hydraulic cylinder (12) is fixed at the upper end of the fixing frame (11), and the diameter of the fixing plate (3) is matched with the width of an inner cavity of the fixing frame (11).

3. The low temperature impact test apparatus according to claim 1, wherein: limiting sliding grooves (21) are formed in the upper end face of the workbench (1), limiting sliding blocks (31) which are in sliding fit with the limiting sliding grooves (21) are fixed on the lower end face of the fixing plate (3), second threaded rods (22) which are in threaded fit with the limiting sliding blocks (31) are rotatably mounted in the limiting sliding grooves (21), motor boxes (2) are fixed at the outer ends of the limiting sliding grooves (21), and the inner end faces of the motor boxes (2) are fixedly connected with the outer ends of the second threaded rods (22) through output shafts of the motor boxes.

4. A low temperature impact test apparatus according to claim 3, wherein: a first cavity (42) and a second cavity (43) which are mutually communicated are formed in the fixed plate (3) and the limiting slide block (31), an exhaust cavity (41) is formed in the upper end face of the first cavity (42), and the second cavity (43) is arranged on the periphery of the threaded connection part of the limiting slide block (31) and the second threaded rod (22).

5. The low temperature impact test apparatus according to claim 4, wherein: the outer end of the limiting chute (21) is fixedly provided with an air inlet pipe (4), and a plurality of telescopic sleeves (44) which are mutually inserted are arranged between the air inlet pipe (4) and the second cavity (43).

6. The low temperature impact test apparatus according to claim 1, wherein: the outer end face of the positioning plate (32) is fixed with a limiting rod (37) which is inserted with a first threaded rod (34), and a spring (38) is fixed between the first threaded rod (34) and the limiting rod (37).