Shielding cover disassembling and assembling jig for sand blasting

Abstract

The utility model relates to the technical field of sand blasting, in particular to a jig for disassembling and assembling a shielding cover for sand blasting. Comprising a base, a portal frame, a lifting driving mechanism, a lifting plate arranged at the lifting end of the lifting driving mechanism and arranged between the base and the portal frame in a lifting mode, a pressing driver arranged on the top face of the lifting plate and a pressing plate located below the lifting plate. The positioning columns are arranged at the bottom of the lifting plate and penetrate through the lower pressing plate in a sliding mode, the magnetic attraction shielding covers are detachably arranged outside the positioning columns in a geomagnetic attraction sleeving mode, the driving end of the lower pressing driver penetrates through the lifting plate in a sliding mode and then is fixedly connected with the lower pressing plate, and the magnetic attraction shielding covers are located below the lower pressing plate. The lower pressing plate is slidably connected with the lifting plate through a guide assembly, a positioning cavity is formed in the top face of the base, and the multiple positioning columns are located above the positioning cavity. According to the device, the shielding cover can be automatically disassembled and assembled, the labor intensity and cost of workers are reduced, and the production efficiency of shielding type sand blasting on workpieces is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sandblasting technical field especially is a kind of dismounting and shielding cover jig for sandblasting. BACKGROUND

[0002] Sandblasting is a kind of processing technology using the impact of high-speed sand flow to clean and roughen the surface of base, its purpose is to make the surface of workpiece obtain certain cleanliness and roughness, improve the mechanical properties of workpiece surface, thereby improve the fatigue resistance of workpiece, and enhance the adhesion between surface coating. Since part of workpiece only needs to be sandblasted at local position or local position does not need to be sandblasted, so it is necessary to shield the position on workpiece that does not need to be sandblasted before sandblasting, the traditional shielding method is to shield the position on workpiece that does not need to be sandblasted by adhesive tape manually or to shield part of workpiece by shielding cover, the shielding method is inefficient, and the labor intensity is great, especially for fine workpiece, the operation difficulty is great. Of course, there are also jigs or fixtures for shielding part of workpiece in prior art, such as: a kind of sandblasting jig with application number 202322664036.7 and high-precision end face sandblasting jig with application number 201621054577.1. These jigs or fixtures need to take workpiece in tray to jig or fixture, after sandblasting, workpiece is picked up to tray again, and workpiece is stored and transferred by tray, which increases the cumbersome steps of taking and placing workpiece, and reduces production efficiency.

[0003] Therefore, the defect is very obvious, and a solution is needed. INVENTION CONTENTS

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a dismounting and shielding cover jig for sandblasting.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A dismounting and shielding cover jig for sandblasting, comprising a base, a gantry erected on the base, a lifting driving mechanism installed on the top of the gantry, a lifting plate installed on the lifting driving mechanism and lifted and set between the base and the gantry, a pressing driving device installed on the top surface of the lifting plate, a pressing plate located below the lifting plate, a plurality of positioning columns installed on the bottom of the lifting plate and slidingly penetrating the pressing plate, and a plurality of magnetic shielding covers which are detachably and magnetically sleeved outside the plurality of positioning columns, the driving end of the pressing driving device slidingly penetrates the lifting plate and is fixedly connected with the pressing plate, the plurality of magnetic shielding covers are located below the pressing plate, the pressing plate is slidingly connected with the lifting plate through a guide assembly, the top surface of the base is provided with a positioning cavity, and the plurality of positioning columns are located above the positioning cavity.

[0007] Further, one side of the positioning cavity is provided with a side insertion opening.

[0008] Further, the top surface of the lifting plate is provided with a guide column which slides through the top of the gantry.

[0009] Further, the guide assembly comprises a guide rod arranged on the top of the pressing plate and a guide sleeve embedded in the lifting plate, and the guide rod slides through the guide sleeve.

[0010] Further, the plurality of positioning columns are arranged in a rectangular array.

[0011] Further, a taking and placing slot is recessed at the side insertion opening.

[0012] Further, the positioning cavity is detachably provided with a tray.

[0013] Further, the top surface of the tray is provided with a limiting column which is used to abut against the pressing plate.

[0014] The beneficial effects of the utility model are as follows: in practical application, the lifting driving mechanism drives the lifting plate to ascend, the plurality of magnetic shielding covers are magnetically attracted and sleeved on the plurality of positioning columns, at this time, the tray loaded with the workpieces to be sandblasted is placed in the positioning cavity of the base, the positioning cavity positions the tray, the position precision and stability of the tray are ensured, the plurality of magnetic shielding covers correspond to the plurality of workpieces on the tray one by one, then the lifting driving mechanism drives the lifting plate to descend, the descending lifting plate drives the pressing plate, the pressing driver, the plurality of positioning columns and the plurality of magnetic shielding covers to move downward synchronously until the plurality of magnetic shielding covers are sleeved on the top of the plurality of workpieces, then the lifting driving mechanism drives the lifting plate to ascend at the same time, the pressing driver drives the pressing plate to press the magnetic shielding cover, the lifting plate drives the plurality of positioning columns to ascend and separate from the magnetic shielding cover, the magnetic shielding cover can be stably covered on the top of the workpiece, until the pressing plate is separated from the magnetic shielding cover, so that the top of the workpiece is covered by the magnetic shielding cover, the tray can be taken out from the positioning cavity and placed in the sandblasting equipment to be sandblasted. When the workpiece is sandblasted, the tray is placed in the positioning cavity, the lifting driving mechanism drives the lifting plate to descend, the plurality of positioning columns are inserted into the plurality of magnetic shielding covers, the magnetic shielding cover is magnetically attracted on the positioning column, then the lifting driving mechanism drives the lifting plate to ascend, the positioning column drives the magnetic shielding cover to ascend synchronously, so that the magnetic shielding cover is detached from the sandblasted workpiece. The utility model can realize the automatic assembly and disassembly of the shielding cover, reduce the labor intensity and cost of workers, and greatly improve the production efficiency of the shielding sandblasting of the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Figure 2The utility model discloses a lifting plate, a pressing plate, a positioning column, a magnetic shielding cover, a material tray, a workpiece and a base.

[0017] Mark explanation:

[0018] 1, base; 2, portal frame; 3, lifting drive mechanism; 4, lifting plate; 5, pressing drive; 6, pressing plate; 7, positioning column; 8, magnetic shielding cover; 9, guide assembly; 10, positioning cavity; 11, side insertion opening; 12, guide column; 13, take and place slot; 14, material tray; 15, limiting column; 16, workpiece. Specific embodiment

[0019] In order to facilitate the understanding of those skilled in the art, the utility model is further explained below in combination with examples and drawings, and the content mentioned in the embodiment is not the limitation of the utility model.

[0020] As Figure 1 And Figure 2 The utility model provides a kind of dismounting shielding cover jig for sand blasting, it includes base 1, portal frame 2 of erecting on base 1, lifting drive mechanism 3 of being installed on the top of portal frame 2, lifting plate 4 of being installed on the lifting end of lifting drive mechanism 3 and being lifted and set between base 1 and portal frame 2, pressing drive 5 of being installed on the top surface of lifting plate 4, pressing plate 6 below lifting plate 4, multiple positioning columns 7 of being installed on the bottom of lifting plate 4 and slidingly penetrating pressing plate 6 and multiple magnetic shielding covers 8 respectively can be detachably magnetically covered on multiple positioning columns 7 outside, the driving end of pressing drive 5 slidingly penetrates lifting plate 4 and is fixedly connected with pressing plate 6, multiple magnetic shielding covers 8 are below pressing plate 6, pressing plate 6 is slidably connected with lifting plate 4 via guide assembly 9, the top surface of base 1 is provided with positioning cavity 10, and multiple positioning columns 7 are above positioning cavity 10.Specifically, lifting drive mechanism 3 and pressing drive 5 can adopt air cylinder.

[0021] In actual application, the lifting driving mechanism 3 drives the lifting plate 4 to ascend, the plurality of magnetic shielding covers 8 are sleeved on the plurality of positioning columns 7, at this time, the tray 14 loaded with the workpieces 16 to be sandblasted is placed in the positioning cavity 10 of the base 1, the positioning cavity 10 positions the tray 14, the position accuracy and stability of the tray 14 are ensured, the plurality of magnetic shielding covers 8 correspond to the plurality of workpieces 16 on the tray 14 respectively, then the lifting driving mechanism 3 drives the lifting plate 4 to descend, the descending lifting plate 4 drives the pressing plate 6, the pressing driver 5, the plurality of positioning columns 7 and the plurality of magnetic shielding covers 8 to move downward synchronously, until the plurality of magnetic shielding covers 8 are sleeved on the top of the plurality of workpieces 16, then the pressing driver 5 drives the pressing plate 6 to press the magnetic shielding cover 8 while the lifting driving mechanism 3 drives the lifting plate 4 to ascend, so that the lifting plate 4 drives the plurality of positioning columns 7 to ascend and separate from the magnetic shielding cover 8, the magnetic shielding cover 8 can be stably covered on the top of the workpiece 16, until the pressing plate 6 is separated from the magnetic shielding cover 8, so that the top of the workpiece 16 is covered by the magnetic shielding cover 8, the tray 14 can be taken out from the positioning cavity 10 and placed in the sandblasting equipment to be sandblasted. When the workpiece 16 is sandblasted, the tray 14 is placed in the positioning cavity 10, the lifting driving mechanism 3 drives the lifting plate 4 to descend, so that the plurality of positioning columns 7 are inserted into the plurality of magnetic shielding covers 8 respectively, the magnetic shielding cover 8 is magnetically attracted on the positioning column 7, then the lifting driving mechanism 3 drives the lifting plate 4 to ascend, so that the positioning column 7 drives the magnetic shielding cover 8 to ascend synchronously, so that the magnetic shielding cover 8 is detached from the sandblasted workpiece 16. The utility model can realize automatic disassembly and assembly of the shielding cover, reduce the labor intensity and cost of workers, and greatly improve the production efficiency of the shielding sandblasting of the workpiece 16.

[0022] In the embodiment, the positioning cavity 10 is provided with a side insertion opening 11 on one side. When the tray 14 is taken out or placed, the tray 14 can be inserted into the positioning cavity 10 from the side insertion opening 11, and can also be separated from the positioning cavity 10 from the side insertion opening 11.

[0023] In the embodiment, the top surface of the lifting plate 4 is provided with a guide column 12, and the guide column 12 slidably penetrates the top of the gantry 2. In the process of ascending and descending of the lifting plate 4, the guide column 12 plays a guiding role, and the stability of the lifting plate 4 in ascending and descending is improved.

[0024] In the embodiment, the guide assembly 9 includes a guide rod arranged on the top of the pressing plate 6 and a guide sleeve embedded in the lifting plate 4, and the guide rod slidably penetrates the guide sleeve. In the process of relative movement of the lifting plate 4 and the pressing plate 6, the guide sleeve and the guide rod are in sliding fit, and the stability of the relative movement of the lifting plate 4 and the pressing plate 6 is improved.

[0025] In the embodiment, the plurality of positioning columns 7 are arranged in a rectangular array.

[0026] In the embodiment, the side insertion opening 11 is concavely provided with a taking and placing groove 13.

[0027] In the embodiment, the positioning cavity 10 is detachably provided with the material tray 14.

[0028] In the embodiment, the top surface of the material tray 14 is provided with a limiting column 15, which is used to abut against the lower pressing plate 6. In the process of driving the lifting plate 4 to descend by the lifting driving mechanism 3, when the lower pressing plate 6 abuts against the limiting column 15, the limiting column 15 plays a limiting role, proving that it is descended to the position, and the magnetic attraction shielding cover 8 is covered on the top of the workpiece 16.

[0029] All the technical features in the embodiment can be freely combined according to actual needs.

[0030] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A disassembly shield cover jig for sandblasting, characterized by: The utility model provides a kind of lifting device, including base (1), gantry (2) is set up in base (1), lifting drive mechanism (3) is installed on the top of gantry (2), lifting plate (4) is installed in the lifting end of lifting drive mechanism (3) and is lifted and set between base (1) and gantry (2), lower pressing driver (5) is installed on the top surface of lifting plate (4), lower pressing plate (6) is located below lifting plate (4), multiple positioning columns (7) are installed on the bottom of lifting plate (4) and slide through lower pressing plate (6), and multiple magnetic attraction shielding covers (8) are respectively magnetically attracted and sleeved on multiple positioning columns (7) outside, the driving end of lower pressing driver (5) is slid through lifting plate (4) and is fixedly connected with lower pressing plate (6), multiple magnetic attraction shielding covers (8) are located below lower pressing plate (6), lower pressing plate (6) is slidably connected with lifting plate (4) via guide assembly (9), the top surface of base (1) is provided with positioning cavity (10), and multiple positioning columns (7) are located above positioning cavity (10).

2. The disassembly shielding cover jig for sandblasting according to claim 1, characterized in that: One side of positioning cavity (10) is provided with side insertion opening (11).

3. The disassembly shielding cover jig for sandblasting according to claim 1, wherein: The top surface of lifting plate (4) is provided with guide column (12), and guide column (12) is slid through the top of gantry (2).

4. The disassembly shielding cover jig for sandblasting according to claim 1, characterized in that: Guide assembly (9) includes guide rod installed on the top of lower pressing plate (6) and guide sleeve embedded in lifting plate (4), and guide rod is slid through guide sleeve.

5. The disassembly shielding cover jig for sandblasting according to claim 1, wherein: Multiple positioning columns (7) are distributed in rectangular array.

6. A disassembly shield cover jig for sandblasting according to claim 2, characterized in that: Take-and-place recessed groove (13) is recessed at side insertion opening (11).

7. The disassembly shielding cover jig for sandblasting according to claim 1, characterized in that: Positioning cavity (10) is detachably provided with tray (14).

8. The disassembly shielding cover jig for sandblasting according to claim 7, characterized in that: The top surface of tray (14) is provided with limiting column (15), and limiting column (15) is used to abut against lower pressing plate (6).

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