CN220170792U - Rotary shakeout wear-resistant testing machine - Google Patents

Abstract

The utility model provides a rotary type shakeout wear-resistant testing machine, which relates to the technical field of shakeout wear-resistant tests and comprises a shakeout device and a driving support structure, wherein the driving support structure is connected with the shakeout device and can drive the shakeout device to rotate, a switch system for switching the shakeout test is arranged on the shakeout device, and a crank connecting rod mechanism for controlling the switch system is arranged outside the shakeout device. The utility model can automatically carry out the circulating shakeout test, saves labor cost, improves working efficiency, simultaneously prevents the test sand from jumping out and losing and sand and dust from escaping, effectively slows down the abrasion of the test sand in the conveying process, and improves the test circulation times of the test sand.

Description

Rotary shakeout wear-resistant testing machine

Technical Field

The utility model relates to the technical field of shakeout wear-resistant tests, in particular to a rotary shakeout wear-resistant test machine.

Background

The traditional shakeout abrasion-resistant testing machine has the following defects:

1. the labor consumption and the labor intensity are high: each test requires heavy test sand to be lifted into a hopper at a high position, and the test material plate is required to be repeatedly tested for tens of times;

2. complicated operation: the test sand receiving device is not closed, and each time test sand is received, the loss exists, and re-weighing or volume measurement is needed;

3. influence the laboratory environment: the test sand receiving device is not closed, the test sand can jump out when being received and fly out along with smoke dust, and a laboratory is required to be cleaned after the test;

4. the improved shakeout mill-resistant machine in the prior art has the advantages that test sand is sucked back into the funnel through air pressure, but if the air pressure is small, the test sand is difficult to be sucked back into the funnel completely, and if the air pressure is large, the test sand can be impacted with a pipeline strongly in the process of sucking back the funnel, so that sand abrasion is caused, and the test precision is influenced.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a rotary shakeout abrasion-resistant testing machine which can automatically perform a cyclic shakeout test, prevent test sand from jumping out and losing and sand and dust from escaping, effectively slow down the abrasion of the test sand in the conveying process and improve the test cycle times of the test sand.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the utility model provides a rotation type shakeout wear-resisting test machine, includes shakeout device and drive bearing structure, and drive bearing structure links to each other with the shakeout device, and drive bearing structure can drive the shakeout device rotation, is equipped with the switch system that is used for switching the shakeout test on the shakeout device to be equipped with the crank link mechanism that is used for controlling switch part outside the shakeout device.

Further, the driving support structure comprises a base and a first engine fixed on the base, and a rotating shaft of the first engine is connected with the shakeout device.

Further, the shakeout device comprises a rotary pipeline, a funnel, a guide pipe and a sand box which are sequentially communicated to form a closed structure, wherein two ends of the rotary pipeline are respectively fixedly connected with the sand box and the funnel, the guide pipe is arranged between the sand box and the funnel, a support is fixedly connected to the guide pipe, the support extends to one side of the sand box and is fixedly connected with the sand box, and a first rotating shaft which is vertically arranged with the guide pipe is fixedly connected to the support.

Further, switch system is including setting up in the shakeout switch of export under the funnel, the shakeout switch includes switch housing and along the inside baffle that removes of switch housing, and reset spring is passed through to the one end of baffle and switch housing links to each other, one side that reset spring was kept away from to the baffle is provided with the hole.

Further, the crank connecting rod mechanism comprises a second engine and a crank pin-connected with a rotating shaft of the second engine, the crank is hinged with the connecting rod through a third rotating shaft, one end of the connecting rod, far away from the crank, is hinged with the sliding block through the second rotating shaft, and the crank connecting rod mechanism further comprises a fixed guide pipe, the lower part of the fixed guide pipe is rotationally connected with the first rotating shaft, and the sliding block penetrates through the fixed guide pipe and slides along the fixed guide pipe.

Further, the sandbox is including having open-top's box, the box be provided with in open-top department put sand baffle slide and with put sand baffle slide sliding connection's put sand baffle, the box is inside be provided with the test board bracket, is equipped with test board fastening jig on the test board bracket, and the test board is fixed in on the test board bracket through test board fastening jig, the pipe stretches into the sandbox inside and with test board fastening jig fixed connection, be equipped with on the sandbox with put sand baffle matched with fixed baffle, fixed baffle's one end links to each other with the box, and the other end links to each other with the pipe.

Further, a sand discharging baffle plate fixing switch and a sand discharging fastening bolt are arranged on the outer side of the top opening.

Further, the bottom of the box body is provided with a sand-discharging baffle slideway, the sand-discharging baffle slideway is slidably provided with a sand-discharging baffle, and the sand-discharging baffle can be locked on the sand-discharging baffle slideway through a sand-discharging fastening bolt.

Furthermore, a layer of wear-resistant plastic is embedded in the rotary pipeline.

Further, the base is provided with a touch display, the touch display is fixed on the base, and the touch display is electrically connected with the first engine and the crank connecting rod mechanism respectively.

The utility model has the beneficial effects that:

1. work efficiency is improved: the equipment automatically operates, so that the time of manual sand receiving, repeated weighing, sand discharging and the like is saved, repeated cyclic tests can be continuously carried out, and no interval exists between each test;

2. the labor cost is saved: the work of the old shakeout testing machine such as sand receiving, repeated weighing, counting, sand discharging and the like needs at least 2-3 people, and the labor cost of the product can be reduced to 1 person;

3. simple operation, and is labor-saving and worry-saving: the automatic operation can be realized only by adjusting the time and the cycle times of each program;

4. the test precision is high: the abrasion of test sand can be reduced by the abrasion-resistant plastic on the inner wall of the rotary pipeline and the adjustable rotating speed, the whole test process is closed, the surface of the abrasion-resistant plastic on the inner wall is smooth and is not stuck with sand, and the quality of test sand grains is almost consistent in each cycle;

5. the whole test process is closed, so that the environment of a laboratory is not polluted;

6. the circulation test principle has innovation: through rotatory shakeout device, rely on natural gravity to carry sand grain from the sandbox back to the funnel in, realize full-automatic cycle test.

Drawings

FIG. 1 is a schematic structural view of a rotary shakeout abrasion-resistant tester provided by the utility model;

FIG. 2 is a schematic illustration of the switch system of the present utility model in combination with a crank mechanism;

FIG. 3 is a schematic view of a sandbox (open sanded baffle) provided by the present utility model;

FIG. 4 is a schematic view of a sandbox (sanded baffle closed state) provided by the present utility model;

FIG. 5 is a schematic view of the bottom structure of the sandbox provided by the present utility model;

FIG. 6 is a cross-sectional view of a sandbox and swivel tube provided by the present utility model;

FIG. 7 is a schematic diagram I of a shakeout apparatus provided by the present utility model;

FIG. 8 is a schematic diagram II of the shakeout apparatus provided by the present utility model;

fig. 9 is a schematic diagram III of the shakeout apparatus provided by the present utility model;

FIG. 10 is a schematic diagram IV of a shakeout apparatus provided by the present utility model;

FIG. 11 is a schematic diagram five of a shakeout apparatus provided by the present utility model;

reference numerals in the drawings of the specification include:

the device comprises a 1-rotating pipeline, a 2-crank connecting rod mechanism, a 3-touch display, a 4-first rotating shaft, a 5-rolling bearing, a 6-sandbox, a 7-base, an 8-guide pipe, a 9-first engine, a 10-support, an 11-switch system, a 12-funnel, a 13-fixed guide pipe, a 14-sliding block, a 15-second rotating shaft, a 16-connecting rod, a 17-second engine, a 18-third rotating shaft, a 19-crank, a 20-shakeout switch, a 21-reset spring, a 22-fixed baffle, a 23-test board bracket, a 24-test board, a 25-sand discharge baffle fixed switch, a 26-sand discharge baffle, a 27-test board fastening clamp, a 28-sand discharge fastening bolt, a 29-sand discharge baffle slide, a 30-sand discharge fastening bolt, a 31-sand discharge baffle slide, a 32-sand discharge baffle slide and 33-wear-resistant plastic.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In order to solve the problems in the prior art, the utility model provides a rotary shakeout wear-resistant testing machine which comprises a shakeout device and a driving support structure, wherein the driving support structure is connected with the shakeout device and can drive the shakeout device to rotate, a switch system 11 for switching the shakeout test is arranged on the shakeout device, and a crank link mechanism 2 for controlling the switch system 11 is arranged outside the shakeout device.

As shown in fig. 1, the shakeout device comprises a rotary pipeline 1, a funnel 12, a guide pipe 8 and a sand box 6 which are sequentially communicated to form a closed structure, wherein two ends of the rotary pipeline 1 are fixedly connected with the sand box 6 and the funnel 12 respectively, the guide pipe 8 is arranged between the sand box 6 and the funnel 12, a support 10 is fixedly connected to the guide pipe 8, the support 10 extends to one side of the sand box 6 and is fixedly connected with the sand box 6, a first rotating shaft 4 which is vertically arranged with the guide pipe 8 is fixedly connected to the support 10, the first rotating shaft 4 is in threaded connection with the support 10, the support 10 is in threaded connection with the guide pipe 8, the support 10 is in threaded connection with the sand box 6, the rotary pipeline 1 is welded with the sand box 6 and the funnel 12 respectively, and the switch system 11 is welded with the guide pipe 8 and the funnel 12. The first engine 9 is fixed on the base 7, the first rotating shaft 4 is fixed on the base 7 through the rolling bearing 5, the rolling bearing 5 plays roles in supporting the shakeout equipment and reducing the rotary friction resistance, and the first engine 9 can drive the first rotating shaft 4 to rotate, so that the whole shakeout device is driven to rotate.

As shown in fig. 2, the switch system 11 includes a knockout switch 20 disposed at a lower outlet of the hopper 12, the knockout switch 20 includes a switch housing and a baffle moving along an interior of the switch housing, one end of the baffle is connected to the switch housing through a return spring 21, and a hole is disposed on a side of the baffle away from the return spring 21; the crank-link mechanism 2 comprises a second engine 17, a crank 19 which is in pin joint with a rotating shaft of the second engine 17, a connecting rod 16 hinged with the crank 19 through a third rotating shaft 18, a slider 14 hinged with one end of the connecting rod 16 far away from the crank 19 through a second rotating shaft 15, and a fixed guide pipe 13 which is rotationally connected with the first rotating shaft 4 below, wherein the slider 14 passes through the fixed guide pipe 13 and slides along the fixed guide pipe 13, and the slider 14 can move back and forth along a straight line due to rotation of the crank 19. When the shakeout test starts, the second engine 17 rotates a half circle to enable the sliding block 14 to move to the leftmost side, the holes of the baffle are propped against the guide pipe 8, test sand in the hopper 12 can fall into the guide pipe 8, when the shakeout is finished, the second engine 17 continues to rotate a half circle to enable the sliding block 14 to move to the rightmost side, and due to the fact that friction force generated by the fact that no test sand is in the hopper 12 and is in contact with the baffle is generated, the shakeout switch 20 can be easily restored to the initial position by means of the reset spring 21 to block the test sand which is circulated back next time.

Further, the touch display 3 is fixed on the base 7, the touch display 3 is electrically connected with the first engine 9 and the second engine 17 respectively, the rotation time and the rotation rate of the first engine 9 can be controlled through the touch display 3, the rotation time of the second engine 17 can be controlled, and the control loop is a conventional motor control scheme.

As shown in fig. 3, the sandbox 6 comprises a box body with a top opening, a sand-placing baffle slideway 29 and a sand-placing baffle 26 which is slidably connected with the sand-placing baffle slideway 29 are arranged at the top opening of the box body, a test plate bracket 23 is arranged in the box body, a test plate fastening clamp 27 is arranged on the test plate bracket 23, a test plate 24 is fixed on the test plate bracket 23 through the test plate fastening clamp 27, the conduit 8 stretches into the sandbox and is fixedly connected with the test plate fastening clamp 27, a fixed baffle 22 matched with the sand-placing baffle 26 is arranged on the sandbox, one end of the fixed baffle 22 is connected with the box body, the other end of the fixed baffle 22 is connected with the conduit 8, grooves corresponding to the positions of the fixed baffle 22 and the conduit 8 are reserved on the sand-placing baffle 26, interference with the fixed baffle 22 and the conduit 8 is avoided when the box body is closed, and test sand leakage is avoided when the box body is closed.

As shown in fig. 4, a sand discharge baffle fixing switch 25 and a sand discharge fastening bolt 28 are arranged outside the top opening, and during test, the sand discharge baffle fixing switch 25 is rotated to be lapped on the sand discharge fastening bolt 28, and the sand discharge fastening bolt 28 is fastened, so that the sand discharge baffle 26 is fixed.

As shown in fig. 5 and 6, the bottom of the box body is provided with a sand-draining baffle slideway 32, the sand-draining baffle slideway 32 is slidably provided with a sand-draining baffle 31, the sand-draining baffle 31 can be locked on the sand-draining baffle slideway 32 through a sand-draining fastening bolt 30, and after the test is finished, the sand-draining fastening bolt 30 is loosened, and the sand-draining baffle 31 is slid along the sand-draining baffle slideway 32, so that the test sand can be discharged out of the sand box 6.

Furthermore, the inner wall of the rotary pipeline 1 is embedded with a layer of wear-resistant plastic, and the wear-resistant plastic 33 has the advantages of low hardness than metal, good wear resistance and smooth surface, and reduces the abrasion and wall sticking phenomena of test sand in the rotary process.

During the test, the working flow of the rotary shakeout wear-resistant tester is as follows:

1. weighing and weighing test sand with specified mass;

2. filling sand, namely pouring the weighed test sand into a sand box 6;

3. loading a sample, fixing a test board 24 on a test board bracket 23 through a test board fastening clamp 27, and measuring the initial film thickness of a shakeout point of the test board 24;

4. the closing device, as shown in fig. 4, closes the sand screen 26 along the sand screen slide 29, rotates the sand screen fixing switch 25 on the sand screen fastening bolts 28 and fastens the sand screen fastening bolts 28;

5. the rotating shakeout device controls the rotating time and the rotating speed of the first engine 9 through the touch display 3, the shakeout device rotates 360 degrees clockwise, test sand in the sandbox 6 slides into the funnel 12 along the rotating pipeline 1 by means of natural gravity, the rotating process is shown in fig. 7-11, and a shadow area in the drawing is a test sand position;

6. the rotation time of the crank-link mechanism 2 is controlled through the touch display 3, the shakeout switch 20 is turned on, a shakeout test is started, and after all test sand falls into the sandbox 6, the shakeout switch 20 is turned off;

7. repeating the step 5 and the step 6 for a cyclic test;

8. after the circulation test is finished, opening the sandbox 6, measuring the film thickness of the shakeout point of the test board 24, and carrying out the test again according to the adjustment cycle times of the residual film thickness until the substrate at the shakeout point is exposed;

9. at the end of the test, the sand discharge damper 26 and the sand discharge damper 31 are opened, and the test plate 24 and the test sand are taken out.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The rotary shakeout wear-resistant testing machine is characterized by comprising a shakeout device and a driving support structure, wherein the driving support structure is connected with the shakeout device, the driving support structure can drive the shakeout device to rotate, a switch system (11) for switching the shakeout test is arranged on the shakeout device, and a crank connecting rod mechanism (2) for controlling the switch system (11) is arranged outside the shakeout device.

2. The rotary shakeout abrasion resistance tester according to claim 1, wherein the drive support structure comprises a base (7) and a first motor (9) fixed to the base (7), the rotation axis of the first motor (9) being connected to the shakeout device.

3. The rotary shakeout abrasion-resistant testing machine according to claim 1, wherein the shakeout device comprises a rotary pipeline (1), a funnel (12), a guide pipe (8) and a sand box (6) which are sequentially communicated to form a closed structure, two ends of the rotary pipeline (1) are fixedly connected with the sand box (6) and the funnel (12) respectively, the guide pipe (8) is arranged between the sand box (6) and the funnel (12), a support (10) is fixedly connected to the guide pipe (8), the support (10) extends to one side of the sand box (6) and is fixedly connected with the sand box (6), and a first rotating shaft (4) which is vertically arranged with the guide pipe (8) is fixedly connected to the support (10).

4. A rotary shakeout abrasion-resistant tester according to claim 3, characterized in that the switch system (11) comprises a shakeout switch (20) arranged at the lower outlet of the hopper (12), the shakeout switch (20) comprises a switch housing and a baffle plate moving along the inside of the switch housing, one end of the baffle plate is connected with the switch housing through a return spring (21), and a hole is arranged on one side of the baffle plate away from the return spring (21).

5. A rotary shakeout abrasion-resistant tester according to claim 3, characterized in that the crank-link mechanism (2) comprises a second engine (17) and a crank (19) which is in pin joint with the rotating shaft of the second engine (17), the crank (19) is hinged with a connecting rod (16) through a third rotating shaft (18), one end of the connecting rod (16) far away from the crank (19) is hinged with a sliding block (14) through a second rotating shaft (15), the rotary shakeout abrasion-resistant tester further comprises a fixed guide pipe (13) which is connected with the first rotating shaft (4) in a rotating mode, and the sliding block (14) penetrates through the fixed guide pipe (13) and slides along the fixed guide pipe (13).

6. A rotary shakeout abrasion-resistant testing machine according to claim 3, wherein the sandbox (6) comprises a box body with a top opening, a sand discharge baffle slideway (29) and a sand discharge baffle (26) which is in sliding connection with the sand discharge baffle slideway (29) are arranged at the top opening of the box body, a test board bracket (23) is arranged in the box body, a test board fastening clamp (27) is arranged on the test board bracket (23), the test board (24) is fixed on the test board bracket (23) through the test board fastening clamp (27), the conduit (8) stretches into the sandbox and is fixedly connected with the test board fastening clamp (27), a fixed baffle (22) which is matched with the sand discharge baffle (26) is arranged on the sandbox, one end of the fixed baffle (22) is connected with the box body, and the other end of the fixed baffle (22) is connected with the conduit (8).

7. The rotary shakeout wear testing machine of claim 6, wherein a shakeout baffle fixed switch (25) and a shakeout fastening bolt (28) are provided outside the top opening.

8. The rotary shakeout abrasion-resistant testing machine according to claim 6, wherein a sand-discharging baffle slideway (32) is arranged at the bottom of the box body, a sand-discharging baffle (31) is arranged on the sand-discharging baffle slideway (32) in a sliding manner, and the sand-discharging baffle (31) can be locked on the sand-discharging baffle slideway (32) through sand-discharging fastening bolts (30).

9. The rotary shakeout abrasion-resistant tester as claimed in claim 6, wherein the rotary pipe (1) is internally embedded with a layer of abrasion-resistant plastic (33).

10. The rotary shakeout abrasion-resistant testing machine according to claim 2, wherein the base (7) is provided with a touch display (3), the touch display (3) is fixed on the base (7), and the touch display (3) is electrically connected with the first engine (9) and the crank link mechanism (2) respectively.