Inner hole polishing device for precision die casting

Abstract

The utility model discloses a precision die casting inner hole polishing device which comprises a fixing table, a supporting rod is connected to the right side of the top end of the fixing table in a sliding mode, a sliding block is connected to the left end of the supporting rod in a sliding mode, and a motor is fixedly connected to the left end of the inner side of the sliding block. When the polishing blocks are controlled to be inserted into the inner hole of the die casting to polish burrs, the worm is rotated through the rotating block to be meshed with the worm gear, the polishing blocks on the outer sides of the fixing blocks at the upper end and the lower end are further made to be away from each other in the process of controlling the rotating rod to rotate, and then the length of the scale belt pulled out of the outer side of the positioning shaft is observed; and the distance between the two polishing blocks is further determined according to the size of the inner hole of the die casting, and when a motor is controlled to drive the polishing blocks to rotate through a fixed shaft, a worm gear, a rotating rod and a fixed block to further polish burrs in the inner hole of the die casting, deburring treatment can be conveniently conducted on the inner holes, with different diameters, in the die casting.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of die casting, in particular to precision die casting hole polishing device. BACKGROUND

[0002] Die casting is a kind of pressure casting parts, using the die casting machine of die casting mold, the copper, zinc, aluminum or aluminum alloy metal heated to liquid is poured into the inlet of die casting machine, through the die casting machine pressure casting, the copper, zinc, aluminum or aluminum alloy parts of the shape and size of the die casting mold are cast, such parts are usually called die casting, the existing die casting is cast, and the workpiece inner hole of the molding is still with more burrs and flash.

[0003] According to the patent application number 202220282482.4, the patent name is a kind of die casting hole deburring device, the patent includes fixed table, fixed mechanism and deburring mechanism, the utility model is pulled to limit block outward, insert rod moves outward, insert fixed block into fixed box, loosen limit block, push insert rod and insert through fixed block, to fix the position of fixed block, then rotate third threaded rod, third threaded rod rotation drives first connecting plate movement, drives upper clamping plate movement, through the cooperation between upper clamping plate and lower clamping plate, the die casting is fixed, the problem that die casting is easy to deviate when deburring inner hole is solved, improve the working efficiency of deburring.

[0004] The above patent is fixed by the cooperation between upper clamping plate and lower clamping plate, although the problem that die casting is easy to deviate when deburring inner hole is solved, improve the working efficiency of deburring, but since its deburring is realized by the scraping of scraper, so it is inconvenient to deburr the inner hole of different diameters on die casting, therefore, precision die casting hole polishing device is proposed for the above problems. Utility model content

[0005] The technical problem to be solved by the utility model overcomes the defects of the prior art and can effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] The utility model provides a precision die casting hole polishing device, including fixed platform, the fixed platform top right side slidingly connected with the support rod, the support rod left end slidingly connected with the sliding block, the sliding block inboard left end fixedly connected with motor, the fixed shaft rotationally connected with the sliding block is fixedly connected with the main shaft tail of motor, the fixed shaft inboard rotationally connected with worm, the worm outer side right end fixedly connected with the rotation block, the worm outer side left end is connected with the worm wheel and is rotationally connected with the fixed shaft through the rotating shaft, the worm wheel outboard fixedly connected with the rotating rod through the fixed shaft, and the rotating rod is in contact with the fixed shaft, the other end of rotating rod is rotationally connected with the fixed block through the rotating shaft, the fixed block outboard is contacted with the polishing block.

[0008] As a further improvement of the utility model, the fixed platform inboard left end is equipped with the clamping plate, and the clamping plate of bottom is fixedly connected with the fixed platform, the clamping plate of top is in contact with the fixed platform, and the clamping plate of top top rotationally connected with the fixed threaded shaft through the fixed platform, and the fixed threaded shaft is screw connected with the fixed platform.

[0009] As a further improvement of the utility model, the sliding block inboard right end screw connected with the adjusting threaded shaft through the sliding block and the support rod, and the adjusting threaded shaft is rotationally connected with the support rod.

[0010] As a further improvement of the utility model, the fixed block inboard of top rotationally connected with the positioning shaft, the positioning shaft outboard fixedly connected with the scale band, and the scale band is through the fixed block of top, the scale band is in contact with the fixed block of top, the other end of scale band is fixedly connected with the fixed block of bottom, the positioning shaft outboard both ends are fixedly connected with the clock spring, and the other end of clock spring is fixedly connected with the fixed block of top.

[0011] As a further improvement of the utility model, the polishing block inboard one end is in contact with the limiting shaft, and the limiting shaft is fixedly connected with the fixed block, the polishing block inboard other end is clampedly connected with the clamping block, and the clamping block is slidingly connected with the fixed block, the clamping block outboard one end is fixedly connected with the spring, and the other end of spring is fixedly connected with the fixed block, the clamping block outboard other end is fixedly connected with the push rod through the fixed block, and the push rod is slidingly connected with the fixed block.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. The inner hole polishing device of the precision die casting, through the setting of the worm, the worm wheel, the rotating rod, the fixed block, the polishing block and the scale band, when the polishing block is inserted into the inner hole of the die casting to polish the burr, the worm is first rotated by the rotating block to engage the worm wheel, the polishing blocks on the outer sides of the upper and lower fixed blocks are further away from each other in the process of controlling the rotating rod to rotate, then the scale pulled out from the outer side of the positioning shaft is observed, the distance between the two polishing blocks is further determined according to the size of the inner hole of the die casting, and when the polishing block is driven to rotate by the motor through the fixed shaft, the worm wheel, the rotating rod and the fixed block, the burr in the inner hole of the die casting is further polished, so that the burr treatment of the inner hole of different diameter sizes on the die casting is facilitated.

[0014] 2. The inner hole polishing device of the precision die casting, through the setting of the limiting shaft, the clamping block, the spring and the push rod, when the polishing block is seriously worn after long time use, the clamping block is pushed to compress the spring through the push rod, the clamping block is further separated from the polishing block, the polishing block is conveniently taken off from the outer side of the limiting shaft and the clamping block for replacement, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0016] Figure 1 It is a whole structure schematic view of the inner hole polishing device of the precision die casting.

[0017] Figure 2 It is a sectional structure schematic view of the inner hole polishing device of the precision die casting.

[0018] Figure 3 It is a sectional structure schematic view of the fixed shaft of the inner hole polishing device of the precision die casting.

[0019] Figure 4 It is a sectional structure schematic view of the left view of the top fixed block of the inner hole polishing device of the precision die casting.

[0020] In the figure: 1, fixed table; 2, clamping plate; 3, fixed threaded shaft; 4, support rod; 5, sliding block; 6, adjusting threaded shaft; 7, motor; 8, fixed shaft; 9, worm; 10, rotating block; 11, worm wheel; 12, rotating rod; 13, fixed block; 14, polishing block; 15, positioning shaft; 16, scale band; 17, clock spring; 18, limiting shaft; 19, clamping block; 20, spring; 21, push rod. DETAILED DESCRIPTION

[0021] The utility model makes further explanation below combining specific embodiment, wherein, the drawing is only used for example explanation, shows only is the schematic diagram, and is not the real object drawing, can not be understood as the limitation of this patent, in order to better illustrate the specific embodiment of the utility model, the drawing some components will have omission, enlargement or reduction, and does not represent the size of actual product, for the technical personnel of the prior art, some well-known structure and its explanation in the drawing can be omitted, it is understandable that all other specific embodiments obtained by the ordinary skill of the prior art under the premise of not making creative labor belong to the range of protection of the utility model.

[0022] Embodiment 1

[0023] As Figures 1-4 The precision die casting hole polishing device, including fixed platform 1, the fixed platform 1 top right side slidingly connected with the stay rod 4, the stay rod 4 left end slidingly connected with the sliding block 5, the sliding block 5 inboard left end fixedly connected with motor 7, the main shaft end of motor 7 is fixedly connected with the fixed shaft 8 of rotationally connected with sliding block 5, the fixed shaft 8 inboard rotationally connected with worm 9, the worm 9 outside right end fixedly connected with rotating block 10, the worm 9 outside left end meshingly connected with worm wheel 11, and worm wheel 11 is rotationally connected with fixed shaft 8 through rotating shaft, the worm wheel 11 outside fixedly connected with the rotating rod 12 of penetrating fixed shaft 8, and rotating rod 12 is in contact with fixed shaft 8, the other end of rotating rod 12 is rotationally connected with fixed block 13 through rotating shaft, the fixed block 13 outside contact has polishing block 14.

[0024] Embodiment 2

[0025] As Figures 1-2 To solve the problem that the precision die casting is not convenient to fix, the fixed platform 1 inboard left end is equipped with the clamping plate 2, and the clamping plate 2 at the bottom is fixedly connected with the fixed platform 1, the clamping plate 2 at the top is in contact with the fixed platform 1, the clamping plate 2 at the top is rotationally connected with the fixed threaded shaft 3 of penetrating the fixed platform 1, and the fixed threaded shaft 3 is screw connected with the fixed platform 1, by placing the precision die casting between two clamping plates 2, then rotating the fixed threaded shaft 3 and the fixed platform 1 screw connection, further control the clamping plate 2 at the top to move down, it is convenient to press the precision die casting between the two clamping plates 2 on the fixed platform 1.

[0026] Embodiment 3

[0027] As Figures 1-2As shown, in order to solve the problem of not being able to adjust the vertical position of the grinding mechanism according to the position of the inner hole of the precision die-casting part, the right end of the inner side of the slider 5 is screwed with an adjusting threaded shaft 6 that passes through the slider 5 and the support rod 4, and the adjusting threaded shaft 6 is rotatably connected to the support rod 4. By rotating the adjusting threaded shaft 6 and the slider 5, it is convenient to adjust the vertical position of the grinding mechanism according to the position of the inner hole of the precision die-casting part.

[0028] Example 4

[0029] like Figures 3-4 As shown, to solve the problem of inconvenience in adjusting the distance between the two grinding blocks 14 according to the diameter of the inner hole of the precision die-casting part, a positioning shaft 15 is rotatably connected to the inner side of the top fixing block 13, and a scale band 16 is fixedly connected to the outer side of the positioning shaft 15, with the scale band 16 passing through the top fixing block 13 and contacting the top fixing block 13. The other end of the scale band 16 is fixedly connected to the bottom fixing block 13. Both the front and rear ends of the outer side of the positioning shaft 15 are fixedly connected to a spring spring 17, and the other end of the spring spring 17 is fixedly connected to the top fixing block 13. During the process of adjusting the distance between the two grinding blocks 14, the scale band 16 will be continuously pulled out from the outer side of the positioning shaft 15. At this time, by observing whether the scale of the scale band 16 pulled out is the same as the diameter of the inner hole of the precision die-casting part, it is convenient to adjust the distance between the two grinding blocks 14 according to the diameter of the inner hole of the precision die-casting part.

[0030] Example 5

[0031] like Figure 3 As shown, to address the issue of inconvenience in replacing the grinding block 14 when it is severely worn, one end of the inner side of the grinding block 14 contacts a limiting shaft 18, and the limiting shaft 18 is fixedly connected to the fixing block 13. The other end of the inner side of the grinding block 14 is engaged with a locking block 19, and the locking block 19 is slidably connected to the fixing block 13. One end of the outer side of the locking block 19 is fixedly connected to a spring 20, and the other end of the spring 20 is fixedly connected to the fixing block 13. The other end of the outer side of the locking block 19 is fixedly connected to a push rod 21 that passes through the fixing block 13, and the push rod 21 is slidably connected to the fixing block 13. When the grinding block 14 is severely worn, the push rod 21 pushes the locking block 19 to compress the spring 20, further disengaging the locking block 19 from the grinding block 14, making it easier to remove the grinding block 14 from the limiting shaft 18 and the outside of the locking block 19 for replacement.

[0032] In this embodiment, when polishing the burr in the inner hole of the precision die casting by the device, first, the precision die casting is placed between the two clamping plates 2, then the fixed threaded shaft 3 is screwed with the fixed table 1, the clamping plate 2 at the top is controlled to move down, at this time, the precision die casting can be pressed between the two clamping plates 2 on the fixed table 1, after fixing, the worm 9 is rotated by the rotating block 10 to engage the worm gear 11, further in the process of controlling the rotation of the rotating rod 12, the fixed block 13 at the top and bottom drives the corresponding polishing blocks 14 to move away from each other, the distance between the two polishing blocks 14 can be adjusted according to the size of the inner hole of the die casting, because in this process, the scale strip 16 is also constantly pulled out from the outside of the positioning shaft 15, the clockwork spring 17 will constantly contract at this time, when it is observed that the scale of the scale strip 16 pulled out is the same as the diameter of the inner hole of the precision die casting, stop rotating the worm 9, then the precision die casting inner hole burr polishing operation can be performed, at this time, first, rotate the adjusting threaded shaft 6 and the supporting rod 4 are screwed, further control the sliding block 5 to drive the polishing mechanism to move down, when the polishing mechanism moves down to the inner hole of the precision die casting, the external power supply of the device is connected to control the motor 7 to rotate the polishing block 14 through the fixed shaft 8, the worm gear 11, the rotating rod 12 and the fixed block 13, then push the supporting rod 4 and the fixed table 1 to slide to make the polishing block 14 enter the inner hole of the die casting to polish the burr, during the use of the device, when the polishing block 14 is seriously worn after long-term use, the push rod 21 pushes the clamping block 19 to compress the spring 20, further makes the clamping block 19 and the polishing block 14 disengage, which facilitates the polishing block 14 to be taken off from the outside of the limiting shaft 18 and the clamping block 19 for replacement.

[0033] The above is the preferred embodiment of the present application, the basic principle and main features of the present application and the advantages of the present application are shown and described, those skilled in the art should understand that the present application is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application will have various changes and improvements, these changes and improvements all fall within the scope of the present application, the scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A precision die casting hole polishing device, comprising a fixed table (1), characterized in that: The fixed table (1) top right side sliding connection has a strut (4), the left end of the strut (4) sliding connection has a sliding block (5), the inner side of the sliding block (5) left end fixed connection has a motor (7), the spindle end of the motor (7) fixed connection has a fixed shaft (8) rotatingly connected with the sliding block (5), the inner side of the fixed shaft (8) rotatingly connected with a worm (9), the outer side of the worm (9) right end fixed connection has a rotating block (10), the outer side of the worm (9) left end meshing connection has a worm wheel (11), and the worm wheel (11) is rotatingly connected with the fixed shaft (8) through the rotating shaft, the outer side of the worm wheel (11) fixed connection has a rotating rod (12) penetrating the fixed shaft (8), and the rotating rod (12) is in contact with the fixed shaft (8), the other end of the rotating rod (12) is rotatingly connected with a fixed block (13) through the rotating shaft, and the outer side of the fixed block (13) is in contact with a grinding block (14).

2. The precision die casting hole polishing apparatus according to claim 1, characterized in that: The inner side of the fixed table (1) left end is provided with a clamping plate (2), and the clamping plate (2) at the bottom is fixedly connected with the fixed table (1), the clamping plate (2) at the top is in contact with the fixed table (1), and the clamping plate (2) at the top is rotatingly connected with a fixed threaded shaft (3) penetrating the fixed table (1), and the fixed threaded shaft (3) is screw connected with the fixed table (1).

3. The apparatus according to claim 1, wherein: The inner side of the sliding block (5) right end is screw connected with an adjusting threaded shaft (6) penetrating the sliding block (5) and the strut (4), and the adjusting threaded shaft (6) is rotatingly connected with the strut (4).

4. The apparatus according to claim 1, wherein: The inner side of the fixed block (13) at the top is rotatingly connected with a positioning shaft (15), the outer side of the positioning shaft (15) is fixedly connected with a scale band (16), and the scale band (16) penetrates the fixed block (13) at the top, the scale band (16) is in contact with the fixed block (13) at the top, the other end of the scale band (16) is fixedly connected with the fixed block (13) at the bottom, the outer side of the positioning shaft (15) is fixedly connected with a clockwork spring (17) at the front and back ends, and the other end of the clockwork spring (17) is fixedly connected with the fixed block (13) at the top.

5. The apparatus according to claim 1, wherein: The inner side of the grinding block (14) one end is in contact with a limiting shaft (18), and the limiting shaft (18) is fixedly connected with the fixed block (13), the inner side of the grinding block (14) the other end is clampedly connected with a clamping block (19), and the clamping block (19) is slidingly connected with the fixed block (13), the outer side of the clamping block (19) one end is fixedly connected with a spring (20), and the other end of the spring (20) is fixedly connected with the fixed block (13), the outer side of the clamping block (19) the other end is fixedly connected with a push rod (21) penetrating the fixed block (13), and the push rod (21) is slidingly connected with the fixed block (13).

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