Hand-held device for mirror surface sand blasting small part

Abstract

The utility model relates to a handheld device for small mirror surface sand blasting parts, and belongs to the technical field of mirror surface sand blasting clamping. The handheld device for the small mirror surface sand blasting part comprises a grip and a fixing plate, and the fixing plate is fixedly connected to one end of the grip. The clamping mechanism comprises two fixing blocks fixedly connected to the upper end and the lower end of the fixing plate, and a threaded rod is arranged on the inner wall of the fixing block located on the upper portion. The handheld clamp is arranged and matched with the clamping mechanism to clamp a part and then conduct sand blasting, the probability that the part slides off from the hand due to sand blasting counter-acting force is reduced, meanwhile, in the sand blasting process, the part can be driven to rotate through a rotating rod by rotating a second rotary knob, and tiny angle adjustment can be conducted on the part; and the surface sand blasting of the part is more uniform. The part is clamped through the clamping mechanism, the contact time of the glove and the abrasive can be shortened, and the probability that glove fibers fall off to pollute the surface of the part, and consequently micro scratches are caused is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of mirror sandblasting clamping technology, and in particular to a handheld device for small mirror sandblasted parts. Background Technology

[0002] Mirror blasting is a process that uses fine abrasive particles to impact a metal surface at high speed and uniformly, removing oxide layers and scratches while creating an ultra-smooth reflective surface. It combines decorative and functional properties and is widely used in fields with extremely high requirements for surface finish, such as precision parts and electronic product casings. It requires precise control of abrasive particle size.

[0003] In existing technologies, when spraying small parts, workers often directly pick up the parts and aim them at the spray gun after wearing protective gloves. However, manual gripping can easily cause the parts to slip due to the reaction force of the sandblasting. Furthermore, the high-speed impact of the abrasive during the sandblasting process makes it inconvenient to adjust the parts, resulting in uneven sandblasting on the surface of the parts. In addition, the shedding of glove fibers may contaminate the surface and form micro-scratches. Utility Model Content

[0004] Therefore, it is necessary to provide a handheld device for mirror sandblasting small parts to address the problem of inconvenience in controlling the parts when they are manually handled by workers.

[0005] A handheld device for mirror-polished small parts includes: a handle and a fixing plate, wherein the fixing plate is fixedly connected to one end of the handle.

[0006] In one embodiment, the clamping mechanism includes two fixing blocks fixedly connected to the upper and lower ends of the fixing plate. The inner wall of the upper fixing block is provided with a threaded rod, and the bottom end of the threaded rod is rotatably connected to a positioning block.

[0007] In one embodiment, a protective shell is slidably connected to the inner wall of the fixing block, the protective shell penetrates the fixing block, and the threaded rod is disposed inside the protective shell.

[0008] In one embodiment, a rotating rod is rotatably connected to the inner wall of the threaded rod, the rotating rod passing through the threaded rod, and a first knob is fixedly connected to the top end of the threaded rod.

[0009] In one embodiment, a second knob is fixedly connected to the top end of the rotating rod, and the bottom end of the rotating rod is rotatably connected to the positioning block.

[0010] In one embodiment, a placement block is rotatably connected to the surface of the lower fixing block, and the surface of the placement block is provided with anti-slip threads.

[0011] In one embodiment, the inner wall of the fixing block is slidably connected to two locking blocks, the two locking blocks having a right-angled triangular cross-section and being arranged opposite to each other.

[0012] In one embodiment, a bidirectional lead screw is provided on the inner wall of the fixed plate near the handle, one end of the bidirectional lead screw being rotatably connected to the inner wall of the fixed plate and the other end passing through the fixed plate.

[0013] In one embodiment, a third knob is fixedly connected to one end of the bidirectional lead screw that extends through the fixed plate, and the surface of the third knob is provided with anti-slip threads.

[0014] Beneficial effects

[0015] By using a handheld clamp in conjunction with a gripping mechanism to hold the parts before sandblasting, the probability of parts slipping from the hand due to sandblasting reaction force is reduced. During sandblasting, the second knob can be turned to rotate the part via a lever, allowing for sandblasting of different surfaces and fine angle adjustments to ensure more uniform surface sandblasting. Furthermore, the gripping mechanism reduces the contact time between the glove and the abrasive, effectively minimizing the probability of glove fibers contaminating the part surface and causing micro-scratches.

[0016] By setting locking blocks on both sides of the fixed plate, after horizontal sandblasting of the parts, the parts can be quickly locked by the locking blocks on both sides. Then, by rotating the threaded rod to raise the positioning block, the remaining parts can be sandblasted. At the same time, by setting locking blocks, when fixing irregularly shaped parts, the device can temporarily limit their movement by locking blocks, making it easier for the positioning block and the placement plate to clamp the parts. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is an exploded view of the present invention;

[0020] Figure 3 This is a schematic diagram of the overall structure of the protective shell of this utility model;

[0021] Figure 4This is a schematic diagram showing the connection between the threaded rod, the rotating rod, and the protective shell of this utility model.

[0022] Figure 5 This is a schematic diagram of the back of the fixing plate of this utility model.

[0023] Figure label:

[0024] 100. Handle; 200. Fixing plate; 300. Clamping mechanism; 310. Protective shell; 311. Threaded rod; 3111. First knob; 312. Rotating rod; 3121. Second knob; 313. Positioning block; 320. Placement block; 330. Locking block; 340. Bidirectional lead screw; 341. Third knob; 350. Fixing block. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this specification are for illustrative purposes only and do not represent the only possible implementation.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0028] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0029] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this specification belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0030] The following is combined with Figures 1-5 This invention describes a handheld device for mirror-polished small parts.

[0031] In one embodiment, a handheld device for mirror-polished small parts includes: a handle 100 and a fixing plate 200, the fixing plate 200 being fixedly connected to one end of the handle 100.

[0032] The clamping mechanism 300 includes two fixing blocks 350 fixedly connected to the upper and lower ends of the fixing plate 200. The inner wall of the upper fixing block 350 is provided with a threaded rod 311, and the bottom end of the threaded rod 311 is rotatably connected to a positioning block 313.

[0033] like Figure 2 , Figure 3 and Figure 4 As shown, a protective shell 310 is slidably connected to the inner wall of the fixing block 350, and the protective shell 310 penetrates the fixing block 350. A threaded rod 311 is disposed inside the protective shell 310. A rotating rod 312 is rotatably connected to the inner wall of the threaded rod 311, and the rotating rod 312 penetrates the threaded rod 311. A first knob 3111 is fixedly connected to the top end of the threaded rod 311, and a second knob 3121 is fixedly connected to the top end of the rotating rod 312. The bottom end of the rotating rod 312 is rotatably connected to the positioning block 313. A placement block 320 is rotatably connected to the surface of the fixing block 350 located below, and the surface of the placement block 320 is provided with anti-slip threads.

[0034] In this embodiment, after the part is clamped, it is positioned between two fixing blocks 350. The two fixing blocks 350 are in an open state and do not contact the spray gun, so they do not affect the sandblasting process of the part. The protective shell 310 has three rectangular openings on its surface, but no opening on its front. This allows the protective shell 310 to slide normally with the fixing blocks 350 while also protecting the threaded rod 311. This prevents the threaded rod 311 from facing the abrasive directly, which could cause the abrasive to get stuck in the threads of the threaded rod 311 and affect it. The three rectangular openings on the surface of the protective shell 310 are not for the abrasive sprayed from the spray gun. The abrasive will splash to both sides through the arc of the front of the protective shell 310. At the same time, the threaded rod 311 does not need to rotate during the sandblasting process. After each sandblasting, the inside of the protective shell 310 can be cleaned. Since ordinary iron wears too quickly under long-term contact with the abrasive, resulting in excessive wear on the device, all components of this device are made of tungsten steel.

[0035] like Figure 1 , Figure 2 and Figure 5 As shown, two locking blocks 330 are slidably connected to the inner wall of the fixing block 350. The cross-section of the two locking blocks 330 is a right triangle. The two locking blocks 330 are arranged opposite to each other. A bidirectional lead screw 340 is provided on the inner wall of the fixing plate 200 near the handle 100. One end of the bidirectional lead screw 340 is rotatably connected to the inner wall of the fixing plate 200 and the other end passes through the fixing plate 200. The locking blocks 330 are provided on the surface of the bidirectional lead screw 340. A third knob 341 is fixedly connected to the end of the bidirectional lead screw 340 that passes through the fixing plate 200. The surface of the third knob 341 is provided with anti-slip threads.

[0036] In this embodiment, the locking block 330 is composed of a triangular block and a limiting block. The limiting block is U-shaped and penetrates through the fixing plate 200, with a threaded block in the middle. The threaded block is disposed on the thread of the bidirectional lead screw 340, and the threaded rod 311 is disposed on the back of the fixing plate 200, which effectively prevents the abrasive from contacting the bidirectional lead screw 340.

[0037] Working principle: Place the part on the placement block 320 and stabilize it. Then rotate the first knob 3111. The rotation of the first knob 3111 drives the threaded rod 311 to rotate, thereby driving the protective shell 310 to move downward as a whole until the positioning block 313 presses the part and fixes it between the placement table and the positioning block 313. Then hold the handle 100 and align the part with the nozzle for sandblasting.

[0038] During the sandblasting process, the angle of the part needs to be adjusted in real time to ensure that its surface is evenly polished. At this time, by rotating the second knob 3121, the second knob 3121 rotates and drives the positioning block 313 to rotate. The positioning block 313 drives the part and the placement block 320 to rotate, so that the four sides of the part are evenly polished. After the part is evenly polished, the first knob 3111 can be rotated to loosen the part, and then the third knob 341 is rotated to drive the locking block 330 through the bidirectional lead screw 340 to adjust the position of the part and lock the two sides of the part. Then the top and bottom surfaces are polished. Alternatively, the part can be removed and re-fixed before polishing.

[0039] It should be noted that the threaded rod 311 and the double-acting lead screw 340 mentioned above are devices with relatively mature existing technology. The specific model can be selected according to actual needs, and will not be elaborated here.

[0040] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0041] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A hand-held device for mirror blasting small parts, characterized in that Include: The handle (100), the fixed plate (200) is fixedly connected to one end of the handle (100); The clamping mechanism (300) includes two fixed blocks (350) fixedly connected to the upper and lower ends of the fixed plate (200), the inner wall of the upper fixed block (350) is provided with a threaded rod (311), and the bottom end of the threaded rod (311) is rotatably connected with a positioning block (313).

2. The hand-held device for mirror-blasting small parts according to claim 1, characterized in that The inner wall of the fixed block (350) is slidably connected with a protective shell (310), the protective shell (310) penetrates the fixed block (350), and the threaded rod (311) is arranged in the protective shell (310).

3. The hand-held device for mirror-blasting small parts according to claim 2, characterized in that The inner wall of the threaded rod (311) is rotatably connected with a rotating rod (312), the rotating rod (312) penetrates the threaded rod (311), and the top end of the threaded rod (311) is fixedly connected with a first knob (3111).

4. The hand-held device for mirror-blasting small parts according to claim 3, characterized in that The top end of the rotating rod (312) is fixedly connected with a second knob (3121), and the bottom end of the rotating rod (312) is rotatably connected with the positioning block (313).

5. The hand-held device for mirror blasting small parts of claim 1 wherein, The surface of the lower fixed block (350) is rotatably connected with a placing block (320), and the surface of the placing block (320) is provided with anti-skid threads.

6. The hand-held device for mirror-blasting small parts according to claim 1, characterized in that The inner wall of the fixed block (350) is slidably connected with two clamping blocks (330), the cross section of the two clamping blocks (330) is a right triangle, and the two clamping blocks (330) are oppositely arranged.

7. The hand-held device for mirror-blasting small parts according to claim 6, characterized in that The inner wall of the fixed plate (200) near the handle (100) is provided with a bidirectional screw rod (340), one end of the bidirectional screw rod (340) is rotatably connected with the inner wall of the fixed plate (200) and the other end penetrates out of the fixed plate (200), and the clamping block (330) is arranged on the surface of the bidirectional screw rod (340).

8. The hand-held device for mirror-blasting small parts according to claim 7, characterized in that One end of the bidirectional screw rod (340) penetrating out of the fixed plate (200) is fixedly connected with a third knob (341), and the surface of the third knob (341) is provided with anti-skid threads.

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