CN216067061U - Impeller cleaning tool for investment casting large sand blasting machine - Google Patents

Abstract

The application discloses an impeller cleaning tool for an investment casting large sand blasting machine, which comprises a workbench and a clamping assembly, wherein the workbench is used for bearing an impeller, the clamping assembly is connected with the workbench and comprises a clamping block and a connecting rod, an installation table is arranged on the workbench, and an installation hole is formed in the installation table; the connecting rod penetrates through the mounting hole to be matched with the mounting table, and one end of the connecting rod is fixedly connected with the clamping block; the clamping assembly further comprises a driving piece, and the driving piece is used for driving the clamping block to move towards the center of the workbench and/or away from the center of the workbench; the pressure detection piece is connected with the clamping block and used for detecting the pressure between the clamping block and the impeller and outputting corresponding signals. Through the setting of driving piece, realized the automatic centre gripping and/or reset of grip block, simplified the clearance operation greatly, be favorable to reducing intensity of labour, promote work efficiency.

Description

Impeller cleaning tool for investment casting large sand blasting machine

Technical Field

The utility model belongs to the technical field of impeller cleaning equipment, and particularly relates to an impeller cleaning tool for an investment casting large sand blasting machine.

Background

Impeller products produced by the precision casting industry are most applied to centrifugal pumps. The impeller consists of blades, a front cover plate and a rear cover plate, and is suitable for conveying clean water, solution and other cleaning liquid with low viscosity and without particles. Two methods are generally adopted for cleaning the surfaces of the products, one method is manual cleaning, the used equipment is a large sand blasting machine, an operator holds a spray gun with a sand blasting pipe in a hand, the surface residual shells and impurities of the impeller are treated, and the impeller is rotated to continue cleaning after one area is treated until the treatment is finished. In the manual cleaning process, an operator needs to continuously turn over the impeller to ensure the treatment effect, the labor intensity is high, the cleaning efficiency is low, the labor environment is poor, the safety and the health of the operator are not facilitated, and the impeller is gradually eliminated. The other type still uses the large sand blasting machine, but the clamp is designed according to the shape of the impeller, the impeller to be cleaned is fixed on the workbench of the large sand blasting machine through the clamp, the workbench can rotate, an operator can complete cleaning work only by operating equipment, and the mode greatly improves cleaning efficiency, reduces labor intensity and improves working environment. However, this method requires the fixture to be adapted to the shape of the impeller to be processed, and because the size and the outline of the impeller are different, the universality of the special fixture is poor, and the investment cost of the equipment is high.

Aiming at the problems, the prior industry adopts universal fixtures such as three-jaw/four-jaw chucks and the like to clamp and fix the impeller. During cleaning, an impeller product is placed in the middle of the chuck, the clamping jaw is continuously screwed by the cross wrench to clamp the impeller, and the whole clamping and assembling process is similar to the lathe clamping of a to-be-machined product. The problem that the clamp universality is poor is solved to a certain extent by the mode, but the locking and fixing of the impeller by the chuck still needs to be realized by continuously screwing the clamping jaws in multiple directions by a cross wrench manually, and the problems of low efficiency and long auxiliary time still exist.

It will thus be seen that the prior art is susceptible to further improvements and enhancements.

SUMMERY OF THE UTILITY MODEL

The utility model provides an impeller cleaning tool for an investment casting large sand blasting machine, which aims to solve at least one technical problem of the technical problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides an impeller cleaning tool for an investment casting large sand blasting machine, which comprises a workbench for bearing an impeller and a clamping assembly connected with the workbench, and is characterized in that the clamping assembly comprises a clamping block and a connecting rod, wherein an installation table is arranged on the workbench, and is provided with an installation hole; the connecting rod penetrates through the mounting hole to be matched with the mounting table, and one end of the connecting rod is fixedly connected with the clamping block; the clamping assembly further comprises a driving piece, and the driving piece is used for driving the clamping block to move towards the center of the workbench and/or away from the center of the workbench; the pressure detection piece is connected with the clamping block and used for detecting the pressure between the clamping block and the impeller and outputting corresponding signals.

As a preferred embodiment of the utility model, the connecting rod further comprises a positioning pin, wherein a positioning hole is formed in the connecting rod, and the positioning pin penetrates through the positioning hole to limit and fix the connecting rod on the mounting table; the clamping block is provided with a limiting part, the workbench is provided with a stopping part, and the limiting part is matched with the stopping part, so that the clamping block is limited and fixed on the workbench.

As a preferred embodiment of the present invention, the mounting table further has a guide hole, the clamping assembly further includes a guide post, the guide post passes through the guide hole to be matched with the mounting table, and one end of the guide post is connected to the clamping block.

In a preferred embodiment of the present invention, the side of the clamping block facing the impeller has a clamping surface, and the shape of the clamping surface is adapted to the shape of the surface of the impeller; the pressure detection piece is connected with the clamping surface.

As a preferred embodiment of the present invention, the driving member is a driving spring, the driving spring is sleeved on the connecting rod, one end of the driving spring abuts against the clamping block, and the other end of the driving spring abuts against the mounting table.

In a preferred embodiment of the present invention, the driving member is a hydraulic device, and the hydraulic device is connected to an end of the connecting rod away from the clamping block.

As a preferred embodiment of the present invention, the hydraulic control system further comprises a controller, the controller is respectively connected with the pressure detection member and the hydraulic device, and the controller receives a signal from the pressure detection member and controls a working condition of the hydraulic device.

As a preferred embodiment of the present invention, the clamping block adopts a split structure, and includes a body and a clamping portion, and the clamping portion is provided with the clamping surface.

In a preferred embodiment of the present invention, the clamping assembly and the mounting platforms are provided in plural numbers, and the mounting platforms are uniformly arranged on the edge of the workbench along the circumferential direction.

As a preferred embodiment of the present invention, the limiting portion includes locking blocks disposed at two sides of the clamping block, and the locking blocks can move along a vertical direction relative to the clamping block; the stopping part is a clamping groove formed in the surface of the workbench, and the locking block can fall into the clamping groove to be matched with the clamping groove.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. as an optimal implementation mode of the application, automatic clamping and/or resetting of the clamping block are realized through the arrangement of the driving piece, the cleaning operation is greatly simplified, the labor intensity is favorably reduced, and the working efficiency is improved.

2. As a preferred embodiment of this application, pressure detection spare monitoring grip block and the pressure between the impeller can avoid too big damage impeller surface of pressure to be favorable to guaranteeing the surface quality of impeller.

3. As an optimal implementation mode of the application, the clamping block adopts a split type structure, so that the clamping part is convenient to replace and overhaul, the clamping surface is convenient to replace and overhaul, and the application range and the service life of the cleaning tool in the application are favorably improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of an impeller cleaning tool for an investment casting large part blasting machine according to an embodiment;

FIG. 2 is a schematic front view of an impeller cleaning tool for an investment casting large part blasting machine according to an embodiment;

FIG. 3 is a schematic diagram of an elevational, top-down view of an impeller cleaning tool for an investment casting large part sander according to one embodiment;

FIG. 4 is a schematic structural view of an impeller cleaning tool for an investment casting large-piece blasting machine according to a second embodiment;

fig. 5 is a schematic structural view of the clamping block.

Wherein the content of the first and second substances,

1, a workbench, 11 mounting tables, 111 mounting holes, 112 guide holes, 12 limiting grooves, 13 guide posts and 14 clamping grooves;

21 clamping block, 211 clamping surface, 212 body, 213 clamping part, 214 locking block, 215 locking bolt, 216 bottom block, 22 connecting rod, 221 positioning hole, 222 handle, 23 driving piece, 231 driving spring, 232 hydraulic device and 24 positioning pin.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-5, the utility model provides an impeller cleaning tool for an investment casting large-piece sand blasting machine, which comprises a workbench 1 for bearing an impeller and a clamping assembly connected with the workbench 1, wherein the clamping assembly comprises a clamping block 21 and a connecting rod 22, the workbench 1 is provided with an installation platform 11, and the installation platform is provided with an installation hole 111; the connecting rod 22 penetrates through the mounting hole 111 to be matched with the mounting table 11, and one end of the connecting rod 22 is fixedly connected with the clamping block 2; the clamping assembly further comprises a driving member 23, the driving member 23 is used for driving the clamping block 21 to move towards the center of the workbench 1 and/or away from the center of the workbench 1.

In one example, as shown in fig. 1, the whole workbench 1 is disc-shaped and is uniformly provided with a plurality of limiting grooves 12 along the circumferential direction, a plurality of mounting platforms 11 are arranged in the limiting grooves 12 at the edge of the disc-shaped workbench 1, and the mounting holes 111 formed in the mounting platforms 11 all face the center of the workbench 1 along the radial direction of the disc-shaped workbench 1; the clamping blocks 21 correspond to the connecting rods 22 one by one, the whole of the clamping blocks and the connecting rods 22 corresponds to the mounting table 11 one by one, one end of each connecting rod 22 is fixedly connected with the clamping block 21, and the other end of each connecting rod passes through the mounting hole 111 in the mounting table 11 to be in limit fit with the mounting table 11. The arrangement mode is simple in structure, and the centricity of the clamping block 21 in the clamping process can be guaranteed, so that the stress balance of the impeller in the clamping and cleaning process can be guaranteed, and the impeller is prevented from deviating or falling off.

Compared with the existing mode of manually locking the three-jaw/four-jaw chuck by using a cross wrench and the like, the driving piece 23 is used as a power source of the clamping block 21 in the application to drive the clamping block 21 to lock and release the impeller, so that the automatic clamping and resetting of the clamping block 21 are realized, the assembly process is greatly simplified, the labor intensity of operators is reduced, and the work efficiency of the whole cleaning process is favorably improved.

It should be noted that the above example is only one embodiment of the present application, and the structures of the table 1 and the mounting table 11 and the arrangement mode of the mounting table 11 and the like in the present application are not limited to the above example, and the table 1 may be rectangular, square, or other shapes with or without regular edges; a plurality of mount tables 11 also can be set up as the symmetry center with the center of workstation 1, and the whole structure that can be rectangular structure also can circular structure portion or other more different shapes of mount table 11, and this application does not do specifically and restricts the structure of workstation 1, mount table 11 and the mode of setting of mount table 11.

It should be noted that, in the present application, the connection mode between the mounting table 11 and the workbench 1 is also not specifically limited, and the mounting table 11 and the workbench 1 may be connected and fixed by welding, or may be fixed by other more modes such as bolt connection.

As a preferred embodiment of the present application, as shown in fig. 5, the impeller cleaning tool for investment casting large sandblasting machines in the present application is further provided with a pressure detection part (not shown in the figure), and the pressure detection part is used for detecting the pressure between the clamped surface of the impeller and the clamping block 21, so as to conveniently adjust the clamping force applied by the clamping block 21 to the impeller, thereby being beneficial to avoiding adverse effects on the surface quality of the impeller in the process of clamping the impeller by the clamping block 21, and ensuring the surface quality of the impeller.

In the mode of current artifical locking chuck jack catch, operating personnel need control the locking degree of chuck jack catch according to the experience of self to guarantee can enough press from both sides the fixed impeller and can not harm being gripped the surface by of impeller, whole clamping process needs to carry out a lot of adjustment many times, wastes time and energy and still can not be fine control the clamp force that the jack catch was applyed the impeller. And pressure measurement spare in this application has set up and has made things convenient for operating personnel to implement to master and adjust the impeller by the pressure size between clamping surface and grip block 21 to avoid grip block 21 to the too big and bad influence of surface quality production to the impeller of clamp force that the pinch roller was applyed. The whole monitoring and adjusting process is rapid and accurate, the working efficiency can be improved, and the surface quality of the impeller can be further ensured.

Further, referring to fig. 1, 2 and 4, the impeller cleaning tool for the investment casting large sand blasting machine in the present application further includes a positioning pin 24, a positioning hole 221 is formed in the connecting rod 22, and the positioning pin 24 penetrates through the positioning hole 221 to limit and fix the connecting rod 22 on the mounting table 11; the clamping block 21 is provided with a limiting part, the workbench 1 is provided with a stopping part, and the limiting part is matched with the stopping part, so that the clamping block 21 is limited and fixed on the workbench 1.

In one example, as shown in fig. 1 and 4, a plurality of positioning holes 221 are uniformly formed in the axial direction of the connecting rod 22, and after the connecting rod 22 drives the clamping block 21 to move to the right position, the positioning pin 24 passes through the positioning holes 221 and both ends of the positioning pin 24 are in limit fit with the mounting table 11, so that the movement of the connecting rod 22 and the clamping block 21 along the axial direction of the connecting rod 22 is limited. The structure is simple and practical, and the clamping block 21 is greatly convenient to clamp and fix the impeller.

Further, as shown in fig. 1 and 4, the mounting platform 11 further has a guide hole 112, the clamping assembly further includes a guide post 13, the guide post 13 passes through the guide hole 112 to be matched with the mounting platform 11, and one end of the guide post 13 is connected to the clamping block 21.

The guide columns 13 and the guide holes 112 enable the motion process of the clamping block 21 to be more stable, the motion track to be more fixed, the stability of clamping and fixing the impeller is improved, and meanwhile the clamping block 21 and the impeller are matched with each other in a positioning mode by the clamping portion 213. In a preferred example, with continued reference to fig. 1 and 4, there are two guide holes 112 and two guide posts 13; the guide holes 112 are provided on both sides of the mounting hole 111 in the vertical direction, and the guide posts 13 are also provided on both sides of the link 22 in the vertical direction. Compared with the arrangement of only one guide hole 112 and one guide post 13, the arrangement in the above example can ensure the structural stability of the guide post 13 and the stability of the guide function.

Of course, the arrangement of the guide holes 112 and the guide holes 112 in the present application is not limited to the above example, and there may be more guide holes 112, and the plurality of guide holes 112 are uniformly arranged around the mounting hole 111 with the mounting hole 111 as the center; the number of the guide posts 13 can be more, and a plurality of guide posts 13 are arranged around the connecting rod 22; alternatively, another guide mechanism such as a guide bush may be provided on the table 1, but the present application is not limited thereto.

Further, as shown in fig. 1, the side of the holding block facing the impeller has a clamping surface 211, and the shape of the clamping surface 211 is adapted to the shape of the surface of the impeller; the pressure detecting member is connected to the holding surface 211. The shape of the clamping surface 211 is matched with that of the impeller surface, so that the contact area between the clamping block 21 and the impeller is favorably increased, the stress balance of the impeller surface is favorably realized, the clamping effect is improved, the damage of the impeller surface is further avoided, and the quality of the impeller surface is ensured.

It should be noted that the present application is not limited to the type, structure and arrangement of the driving member 23, and any one of the following embodiments may be adopted:

the first implementation mode comprises the following steps: the driving member 23 is a driving spring 231.

In one example, referring to fig. 1, 2 and 3, the driving spring 231 is sleeved on the connecting rod 22, one end of the driving spring 231 abuts against the clamping block 21, and the other end of the driving spring 231 abuts against the mounting table 11. In the initial state of not clamping the impeller, the clamping block 21 is positioned at the center of the workbench 1 under the action of the elastic force of the spring; when the impeller is required to be clamped, firstly, the connecting rod 22 is pulled through the handle 222 arranged on the connecting rod 22, the clamping block 21 is driven to be away from the center of the workbench 1 along the radial direction, then the positioning pin 24 is inserted into the positioning hole 221, and the clamping block 21 and the connecting rod 22 are limited and fixed, so that an assembly space is reserved for the impeller; after the impeller is placed on the table 1, the positioning pin 24 is removed, and the clamping block 21 is moved toward the center of the table 1 in the radial direction by the elastic force of the driving spring 231 and clamps the impeller.

The driving structure in the embodiment is simple and practical, the operation is simple,

the second embodiment: the drive 23 is a hydraulic device 232.

In one example, the hydraulic device 232 shown with reference to fig. 4 comprises a hydraulic cylinder, the piston rod of which is connected to the end of the connecting rod 22 remote from the clamping block 21. The hydraulic cylinder drives the connecting rod 22 to drive the clamping block 21 to move along the radial direction, and the impeller is clamped or released. Compared with the first embodiment, the present embodiment is more efficient and stable in the manner of driving the clamping block 21 by the hydraulic cylinder.

Of course, the impeller cleaning tool for investment casting large-sized sand blasting machine in the present application may also combine the technical solutions described in the first and second embodiments, and use the driving spring 231 and the positioning pin 24 as the assistance of hydraulic driving, thereby further improving the stability of the whole driving structure, and being capable of mutually backing up, and avoiding the occurrence of situations such as the impeller falling and being damaged or hurting people when the hydraulic cylinder or the driving spring 231 fails.

As a preferred example of the present embodiment, as shown in fig. 1, the present invention further includes a controller (not shown), the controller is respectively connected to the pressure detecting element and the hydraulic device 232, and the controller receives a signal from the pressure detecting element and controls the operating condition of the hydraulic device 232. The automation degree of the whole equipment is further improved by arranging the controller, the reaction speed is higher, the action control is more accurate, and the working efficiency is further improved.

As a preferred embodiment of the present application, referring to fig. 5, the clamping block 21 in the present application may adopt a split structure, and includes a body 212 and a clamping portion 213, and a clamping surface 211 is disposed on the clamping portion 213. This kind of mode of setting makes things convenient for the maintenance and the change of clamping face 211, only need to change the realization adaptation that clamping face 211 just can be fine to the impeller that has different form surfaces, further promotes the application scope of investment casting impeller clearance frock for the major possession sand blasting machine in this application.

The structure of the limiting portion and the stopping portion is not particularly limited in the present application, and in a preferred example, as shown in fig. 1 and 4, the limiting portion is a locking block 214 disposed at two sides of the clamping block 21, and the locking block 214 can move in a vertical direction relative to the clamping block 21; the stopping part is a clamping groove 14 arranged on the surface of the workbench 1, and the locking block 214 can fall into the clamping groove 14 to be matched with the clamping groove 14. Specifically, as shown in fig. 1, the locking block 214 includes a bottom block 216 and a locking bolt 215 disposed on the top of the bottom block 216, the clamping block 21 is provided with mounting holes 111 having internal threads on both sides thereof, the locking bolt 215 has external threads, and the locking bolt 215 is engaged with the mounting holes 111. When the clamping block 21 needs to be limited and fixed, the locking bolt 215 is rotated to enable the bottom block 216 to fall into the clamping groove 14, so that the bottom of the bottom block 216 is in contact with the bottom of the clamping groove 14 and is locked through the locking bolt 215. As a preferred embodiment of the present application, and with continued reference to FIG. 4, the bottom and side walls of the pockets 14 may also be roughened, as may the bottom and side walls of the bottom block 216.

The method can be realized by adopting or referring to the prior art in places which are not described in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. An impeller cleaning tool for an investment casting large-piece sand blasting machine comprises a workbench and a clamping assembly, wherein the workbench is used for bearing an impeller, the clamping assembly is connected with the workbench, the impeller cleaning tool is characterized in that the clamping assembly comprises a clamping block and a connecting rod, an installation table is arranged on the workbench, and an installation hole is formed in the installation table; the connecting rod penetrates through the mounting hole to be matched with the mounting table, and one end of the connecting rod is fixedly connected with the clamping block; the clamping assembly further comprises a driving piece, and the driving piece is used for driving the clamping block to move towards the center of the workbench and/or away from the center of the workbench;

the pressure detection piece is connected with the clamping block and used for detecting the pressure between the clamping block and the impeller and outputting corresponding signals.

2. The impeller cleaning tool for the investment casting large-piece sand blasting machine according to claim 1, further comprising a positioning pin, wherein a positioning hole is formed in the connecting rod, and the positioning pin penetrates through the positioning hole to limit and fix the connecting rod on the mounting table; the clamping block is provided with a limiting part, the workbench is provided with a stopping part, and the limiting part is matched with the stopping part, so that the clamping block is limited and fixed on the workbench.

3. The impeller cleaning tool for an investment casting large piece blasting machine according to claim 2, wherein the mounting table is further provided with a guide hole, the clamping assembly further comprises a guide post, the guide post penetrates through the guide hole to be matched with the mounting table, and one end of the guide post is connected with the clamping block.

4. The impeller cleaning tool for an investment casting large piece blasting machine according to claim 3, wherein the side of the clamping block facing the impeller is provided with a clamping surface, and the shape of the clamping surface is adapted to the shape of the surface of the impeller; the pressure detection piece is connected with the clamping surface.

5. The impeller cleaning tool for an investment casting large piece blasting machine according to claim 4, wherein the driving member is a driving spring, the driving spring is sleeved on the connecting rod, one end of the driving spring abuts against the clamping block, and the other end of the driving spring abuts against the mounting table.

6. The impeller cleaning tool for an investment casting large grit blaster of claim 4 wherein said drive member is a hydraulic device connected to an end of said link remote from said clamp block.

7. The impeller cleaning tool for an investment casting large sand blasting machine according to claim 6, further comprising a controller, wherein the controller is respectively connected with the pressure detecting member and the hydraulic device, and the controller receives signals from the pressure detecting member and controls the working condition of the hydraulic device.

8. The impeller cleaning tool for an investment casting large-piece blasting machine according to any one of claims 5 to 7, wherein the clamping block is of a split structure and comprises a body and a clamping portion, and the clamping portion is provided with the clamping surface.

9. The impeller cleaning tool for an investment casting large piece blasting machine according to claim 8, wherein the clamping assembly and the mounting table are provided in plurality, and the plurality of mounting tables are uniformly arranged on the edge of the working table along the circumferential direction.

10. The impeller cleaning tool for the investment casting large piece blasting machine according to claim 9, wherein the limiting part comprises locking blocks which are oppositely arranged at two sides of the clamping block, and the locking blocks can move relative to the clamping block along a vertical direction; the stopping part is a clamping groove formed in the surface of the workbench, and the locking block can fall into the clamping groove to be matched with the clamping groove.

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