CN211553532U - Integrated automatic lifting frame of hardness tester - Google Patents
Integrated automatic lifting frame of hardness tester Download PDFInfo
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- CN211553532U CN211553532U CN201921814421.2U CN201921814421U CN211553532U CN 211553532 U CN211553532 U CN 211553532U CN 201921814421 U CN201921814421 U CN 201921814421U CN 211553532 U CN211553532 U CN 211553532U
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Abstract
The utility model discloses a sclerometer integrated automatic lifting frame, which comprises a base, frame type frame upright posts, an automatic lifting mechanism, a control system and an overtravel protection mechanism, wherein the frame type frame upright posts which are integrated structures are fixed at the rear part of the base, and a workbench bottom plate is fixed at the front part of the base; a small synchronous belt pulley on a stepping motor in the automatic lifting mechanism is in transmission connection with a large synchronous belt pulley arranged at the top end of a ball screw through a synchronous belt; the pair of linear guide rails are fixed on the front surface of the frame type frame, and the ball screw is fixed on the inner front mounting surface of the frame type frame; the lifting body is fixedly arranged on the linear guide rail sliding block and the screw seat, and the hardometer testing head assembly is arranged on the lifting body. The utility model discloses can improve whole frame intensity, rigidity stability is good, and hardness test head assembly realizes the smooth and easy removal from top to bottom fast along linear guide is automatic, realizes test process automation, and convenient operation is swift, and the test is high-efficient accurate, has enlarged the overall dimension size and the application range of test part.
Description
Technical Field
The utility model belongs to the technical field of the sclerometer technique and specifically relates to a sclerometer integration automatic rising frame is related to.
Background
The existing hardometer frame structure mainly comprises a base, a guide support shaft, a lifting body, a lifting screw rod, a lifting hand wheel and a lifting locking handle. Three guide support shafts which are distributed in a triangular shape are fixed on the base through three shaft sleeves and a plurality of screws, a lifting screw rod is arranged between the pair of guide support shafts, a lifting body is arranged on the guide support shafts and the lifting screw rod in a sliding mode, and a lifting hand wheel and a lifting locking handle are arranged on the top and the side face of the lifting screw rod respectively. The hardness testing head assembly is arranged on the lifting body and is driven to the screw rod by rotating the lifting hand wheel, so that the lifting body is driven to move up and down. And when the equipment tests the hardness, the lifting locking handle is locked.
This structure has found some drawbacks through years of practical application:
the stand column part of the frame is composed of three supporting shafts, the diameter of each supporting shaft cannot be infinitely increased due to structural limitation, the rigidity and the stability are poor, the debugging of equipment is troublesome, and the phenomenon of blocking is easily generated in the lifting process. The stand column of the frame consisting of the three supporting shafts has poor rigidity, and the overall dimension of the tested part is limited. Because the overall structure appearance is the whole backplate by the steel sheet is made, therefore the lift process can produce the vibration, causes the equipment noise. The lifting of the hardness testing head needs to be manually controlled, so that the operation is labor-consuming and laborious, human errors are easy to occur, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an automatic rising frame of sclerometer integration is provided, it can improve whole frame intensity, and rigidity stability is good, and hardness test head assembly can realize smooth and easy removal about quick automatically along linear guide, realizes test process's whole automation, and convenient operation is swift, and the test is high-efficient accurate, has enlarged the overall dimension size and the application range of test part.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
sclerometer integration automatic rising frame, it includes base, frame stand, automatic lifting mechanism, control system, overtravel protection mechanism, wherein:
a frame type frame upright post in an integrated structure is fixed at the rear part of the base, and a workbench bottom plate is fixed at the front part of the base;
the output end of a stepping motor in the automatic lifting mechanism is provided with a small synchronous belt wheel which is in transmission connection with a large synchronous belt wheel arranged at the top end of a ball screw through a synchronous belt; the pair of linear guide rails are fixed on the front surface of the frame type stand column, the ball screw is fixed on the inner front mounting surface of the frame type stand column, and the ball screw and the pair of linear guide rails are arranged in a triangular parallel manner; the lifting body is fixed on the linear guide rail sliding block and the nut seat, the nut on the ball screw is installed on the nut seat, and the hardness testing head assembly is vertically installed on the lifting body and is positioned right above the bottom plate of the workbench.
The horizontal distance from the center of the pressure head of the hardness testing head assembly to the front end face of the upright post of the frame type frame is 160mm, and the distance from the center of the pressure head of the hardness testing head assembly to the workbench is 400 mm.
The special workbench is arranged on the workbench bottom plate, and the V-shaped groove is formed in the special workbench.
The ball screw adopts a high-precision double-nut structure, and an upper bearing seat and a lower bearing seat at two ends of the ball screw adopt angular contact bearings which are installed face to face and are locked by a back cap; the upper bearing block and the lower bearing block are respectively fixed on the inner front mounting surface of the frame type stand column through upper bearing block fixing screws and lower bearing block fixing screws.
The stepping motor is arranged on a stepping motor fixing plate, and a stepping motor shaft is supported by a small synchronous belt for auxiliary support.
The lifting body is designed into a closed integrated rigid structure.
The nut seat is arranged on the rear end face of the lifting body and is fixed at a position by a screw fixed by the nut seat.
And the ball screw and the leakage part are provided with a flexible shield and a rigid shield.
The overtravel protection mechanism comprises a travel switch and a travel switch contact which are arranged in a frame type rack stand column cavity, and overtravel protection is realized through the cooperation of the travel switch contact and the travel switch.
An upper computer in the control system is arranged on a hardness testing head assembly, an electrical appliance mounting plate is arranged in a frame type rack upright post cavity, and a stepping motor driver, a switching power supply, an integrated circuit board and a transformer are arranged on the electrical appliance mounting plate.
Compared with the prior art, the utility model, have following advantage and positive effect:
the integrated frame type stand column is adopted to replace three support shafts of the original machine type, so that the strength of the whole machine frame is improved, the whole stability is good, and the rigidity is high. The flexible protective cover and the plurality of rigid protective covers are adopted, so that the appearance is attractive, the use is safe, and no vibration or noise exists. A specially-made workbench is additionally arranged and specially prepared for testing an industrial gas cylinder, so that the application range is widened.
The horizontal distance from the center of the hardness testing head to the machine wall and the testing height can be flexibly changed, and the overall dimension of the tested part is enlarged. The horizontal distance from the center of a pressure head of the hardness testing head assembly to the front end face of the upright post of the frame type frame is 160mm, the distance from the center of the pressure head of the hardness testing head assembly to the workbench is 400mm, and the maximum height of a part which can be tested by the upright post of the frame type frame can reach 400 mm.
The hardness testing head assembly is driven by a stepping motor, and is driven by a synchronous belt and a ball screw, so that the hardness testing head assembly can move up and down smoothly and quickly along a linear guide rail, and the automation of lifting action is realized. The stepping motor drives the ball screw, replaces the original hand wheel rotating to enable the lifting body to move up and down, and realizes the automation of the testing process. And a high-precision linear guide rail is adopted, so that the bearing capacity is high and the guidance quality is high. And a travel switch is installed to realize overtravel protection.
In a word, the whole machine of the utility model has simple structure, good rigidity and stability, accurate, rapid and smooth transmission and positioning, and no vibration and noise; the debugging equipment is convenient, fast, efficient and accurate, labor-saving and labor-saving in operation, manual operation errors are avoided, the maximum test size and the use range of the part are enlarged, and the test precision and the test efficiency of the part are improved.
Drawings
FIG. 1 is a general view of a structure of an integrated automatic lifting frame of a hardness tester;
FIG. 2 is a general view of a durometer integrated auto-lift chassis assembled into a durometer;
FIG. 3 is a structural view of a vertical column of a frame type frame;
fig. 4 is a diagram showing the structure of the control system.
The notation in fig. 1-4:
the device comprises a base 1, a workbench bottom plate 2, a special workbench 3, a back cap 4, an angular contact bearing 5, a lower bearing seat 6, a lifting body 7, a hardness testing head assembly 8, a ball screw 9, a screw seat 10, a travel switch contact 11, a linear guide rail 12, an electrical appliance mounting plate 13, a travel switch 14, an upper bearing seat 15, a large synchronous pulley 16, a synchronous belt 17, a small synchronous belt support 18, a small synchronous pulley 19, a stepping motor 20, a frame type frame upright post 21, a rigid shield 22, a flexible shield 23, a stepping motor fixing plate 24, an upper bearing seat fixing screw 25, a screw seat fixing screw 26, a lower bearing seat fixing screw 27, a stepping motor driver 28, a switching power supply 29, an integrated circuit board 30 and a transformer 31.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-4, the utility model discloses a base, frame stand, automatic lifting mechanism, control system, over travel protection mechanism, wherein:
a frame type frame upright post 21 is fixed at the rear part of the base 1, a workbench bottom plate 2 is fixed at the front part of the base 1, and a workbench or a special workbench 3 is arranged on the workbench bottom plate 2.
The base 1 adopts the casting process, increases the natural aging time, and the structure is more stable. The base bears 2T at the maximum. The specially-made workbench 3 is additionally arranged, the V-shaped groove is formed in the specially-made workbench 3 and is specially prepared for testing industrial gas cylinders, and the application range is widened.
The frame type stand column 21 adopts an integrated frame type structure, and is subjected to stress relief annealing and shaping treatment so as to fully ensure the rigidity and the use stability of the frame. The frame type rack upright post 21 is fixed on the base 1 by high-strength bolts and cylindrical pins, the distance between the center of a pressure head of the hardness testing head assembly 8 and the working surface of the workbench or a special workbench is 400mm, the horizontal distance between the center of the pressure head of the hardness testing head assembly 8 and the front end surface of the frame type rack upright post 21 is 160mm, the maximum height of a testing part can reach 400mm, and the requirement of hardness testing of small and medium-sized parts can be met.
A hardness testing head assembly 8 is correspondingly arranged right above the workbench or the special workbench 3, and the hardness testing head assembly 8 is vertically arranged at the front end of the lifting body 7.
The lifting body 7 in the automatic lifting mechanism is designed into a closed integrated rigid structure and is subjected to stress relief annealing, aging treatment and the like. The lifting body 7 is installed on a linear guide rail slide block and a nut seat 10, a pair of linear guide rails 12 are fixed on the front face of a frame type frame upright post 21, a nut on the nut seat 10 and a ball screw 9 form threaded connection fit, and the nut seat 10 is installed on the rear end face of the lifting body 7 and is fixed by a nut seat fixing screw 26. The ball screw 9 can drive the lifting body 7 to move linearly up and down along the linear guide rail 12 through the nut, the nut seat 10 and the linear guide rail slide block.
The upper end and the lower end of a ball screw 9 in the automatic lifting mechanism are respectively provided with an upper bearing seat 15, a lower bearing seat 6 and an angular contact bearing 5 and are locked by a back cap 4, and the upper bearing seat 15 and the lower bearing seat 6 are respectively fixed on an inner front mounting surface of a frame type frame upright post 21 by an upper bearing seat fixing screw 25 and a lower bearing seat fixing screw 27. The ball screw 9 adopts a high-precision double-nut structure, and the control of the advance and return clearance is ensured in a minimum range. The bearing blocks 15 and the lower bearing blocks 6 on the two ends adopt the angular contact bearings 5 which are installed face to face, so that the whole set of lead screw has strong transmission rigidity and accurate and reliable positioning.
A stepping motor 20 in the automatic lifting mechanism is arranged on a stepping motor fixing plate 24, a small synchronous belt wheel 19 is arranged at the output end of the stepping motor 20, and a large synchronous belt wheel 16 is arranged at the top end of a ball screw 9 and is in transmission connection with the small synchronous belt wheel 19 through a synchronous belt 17. The stepper motor shaft is supported by a small timing belt support 18 to prevent the stepper motor shaft from being bent under force.
The stepping motor 20 drives the ball screw 9 to rotate through the large synchronous pulley 16, the synchronous belt 17 and the small synchronous pulley 19, and transmits the rotation to the nut seat 10 fixed on the lifting body 7 through a nut on the ball screw, so as to drive the lifting body 7 and the hardness testing assembly 8 to move linearly up and down along the linear guide rail 12.
The overtravel protection mechanism is characterized in that a travel switch 14 and a travel switch contact 11 are installed in a cavity of a frame type frame upright post 21, and overtravel protection is realized through the cooperation of the travel switch contact 11 and the travel switch 14.
An upper computer in the control system is arranged on the hardness testing head assembly, an electrical appliance mounting plate 13 is arranged in a cavity of a frame type frame upright post 21, and a stepping motor driver 28, a switching power supply 29, an integrated circuit board 30, a transformer 31 and the like are arranged on the electrical appliance mounting plate 13. The ball screw 9 and the leakage part are provided with the flexible protective cover 23 and the rigid protective cover 22, and the flexible protective cover 23 and the rigid protective cover 22 protect the ball screw, so that the whole appearance is attractive and elegant, and the use is safe.
The utility model discloses a theory of operation is: reference is made to fig. 1-4.
An upper computer is arranged on the hardness testing head assembly, the upper computer controls the forward and reverse rotation of the stepping motor through a stepping motor driver, and the lifting of the lifting body is realized through synchronous belt transmission and ball screw transmission.
The tested part is arranged on a workbench of the fixed base, and an operator sets a series of test parameters according to requirements. The test switch is started, the stepping motor is started, the ball screw is driven to rotate through the large and small synchronous belt pulleys, the ball screw rotates according to a set program, and the lifting body is driven to move up and down linearly along the linear guide rail. The hardness testing head assembly reaches a preset position along with the lifting body. The hardness testing head assembly automatically completes hardness testing according to the requirements of a hardness testing method. After the test is finished, the stepping motor is started reversely, and the lifting body and the hardness testing head assembly automatically return to the initial position.
Claims (10)
1. An automatic lifting frame integrated with a hardness tester is characterized in that,
including base, frame stand, automatic lifting mechanism, control system, over-travel protection mechanism, wherein:
a frame type frame upright post in an integrated structure is fixed at the rear part of the base, and a workbench bottom plate is fixed at the front part of the base;
the output end of a stepping motor in the automatic lifting mechanism is provided with a small synchronous belt wheel which is in transmission connection with a large synchronous belt wheel arranged at the top end of a ball screw through a synchronous belt; the pair of linear guide rails are fixed on the front surface of the frame type stand column, the ball screw is fixed on the inner front mounting surface of the frame type stand column, and the ball screw and the pair of linear guide rails are arranged in a triangular parallel manner; the lifting body is fixed on the linear guide rail sliding block and the nut seat, the nut on the ball screw is installed on the nut seat, and the hardness testing head assembly is vertically installed on the lifting body and is positioned right above the bottom plate of the workbench.
2. The durometer integrated automatic lifting frame according to claim 1, wherein the horizontal distance from the center of the indenter of the hardness testing head assembly to the front end face of the upright post of the frame type frame is 160mm, and the distance from the center of the indenter of the hardness testing head assembly to the working table is 400 mm.
3. The durometer integrated automatic lifting frame according to claim 2, wherein the bottom plate of the workbench is provided with the workbench, and the workbench is provided with a V-shaped groove.
4. The sclerometer-integrated automatic lifting frame according to claim 3, wherein the ball screw adopts a high-precision double-nut structure, and an upper bearing seat and a lower bearing seat at two ends of the ball screw adopt face-to-face installation angular contact bearings and are locked by a back cap; the upper bearing block and the lower bearing block are respectively fixed on the inner front mounting surface of the frame type stand column through upper bearing block fixing screws and lower bearing block fixing screws.
5. The sclerometer-integrated automatic lifting frame according to claim 4, wherein the stepper motor is mounted on a stepper motor fixing plate, and a stepper motor shaft is supported by a small synchronous belt for auxiliary support.
6. The durometer integrated auto-lift chassis of claim 5, wherein the lift body is designed as a closed integrated rigid structure.
7. The durometer integrated automatic lifting frame according to claim 6, wherein the nut base is installed on the rear end face of the lifting body and fixed by a screw fixed by the nut base.
8. The durometer integrated auto-lift stand of any of claims 1 to 7, wherein the ball screw and the leak portion are provided with a flexible shield and a rigid shield.
9. The durometer integrated automatic lifting frame according to claim 8, wherein the overtravel protection mechanism comprises a travel switch and a travel switch contact which are arranged in a frame type frame upright post cavity, and the overtravel protection is realized by matching the travel switch contact with the travel switch.
10. The durometer integrated automatic lifting frame according to claim 9, wherein the upper computer in the control system is arranged on the hardness testing head assembly, the electrical appliance mounting plate is arranged in the upright post cavity of the frame type frame, and the stepping motor driver, the switching power supply, the integrated circuit board and the transformer are mounted on the electrical appliance mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921814421.2U CN211553532U (en) | 2019-10-28 | 2019-10-28 | Integrated automatic lifting frame of hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921814421.2U CN211553532U (en) | 2019-10-28 | 2019-10-28 | Integrated automatic lifting frame of hardness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211553532U true CN211553532U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921814421.2U Active CN211553532U (en) | 2019-10-28 | 2019-10-28 | Integrated automatic lifting frame of hardness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211553532U (en) |
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2019
- 2019-10-28 CN CN201921814421.2U patent/CN211553532U/en active Active
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