Semi-automatic auxiliary sand blasting jig

Abstract

The utility model discloses a semi-automatic auxiliary sand blasting jig which comprises a base, a stand column and a motor are arranged on the base, a worm is connected to the output end of the motor, a connecting shaft is rotationally connected into the stand column, a worm gear is connected to one end of the connecting shaft and meshed with the worm, and a connecting block is connected to the other end of the connecting shaft. A mounting block is movably connected to the connecting block, a connecting disc is connected to the mounting block, a first sleeve is connected to the connecting disc, a second sleeve is connected to the first sleeve in a sliding mode, a first screw is rotationally connected into the second sleeve, the first screw is connected into the first sleeve in a threaded mode, and a rotary knob is connected to the end, located outside the second sleeve, of the first screw; according to the automatic auxiliary jig, by means of the design of the automatic auxiliary jig, a part can rotate at the uniform speed, the problem that sand blasting on the surface of the part is not uniform is solved, meanwhile, control over the sand blasting time is facilitated, and the sand blasting efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to jig technical field especially relates to a kind of semi-automatic auxiliary sand blasting jig. BACKGROUND

[0002] Sand blasting treatment is a kind of workpiece surface treatment process. Compressed air is used as power to form high-speed jet beam to spray material (copper sand, quartz sand, emery, iron sand, sea sand) at high speed to the workpiece surface to be treated, so that the appearance or shape of the workpiece surface changes. Due to the impact and cutting action of the abrasive on the workpiece surface, the surface of the workpiece obtains a certain cleanliness and different roughness, and the mechanical properties of the workpiece surface are improved, so the fatigue resistance of the workpiece is improved, the adhesion between the workpiece and the coating is increased, and the durability of the coating is prolonged. It is also beneficial to the leveling and decoration of the coating.

[0003] In the existing manual sand blasting operation, one hand holds the part and the other hand holds the spray gun. Limited to manual operation, the uniformity of sand blasting is greatly limited, which may cause uneven surface of the part and affect the size. Therefore, a semi-automatic auxiliary sand blasting jig is needed to meet the demand. SUMMARY

[0004] The utility model aims at providing a kind of semi-automatic auxiliary sand blasting jig to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of semi-automatic auxiliary sand blasting jig, including base, the base is provided with stand and motor, the output end of motor is connected with worm, the stand is rotatably connected with connecting shaft, one end of connecting shaft is connected with worm wheel, and worm wheel is engaged with worm, the other end of connecting shaft is connected with connecting block, connecting block is movably connected with mounting block, mounting block is connected with connecting disc, connecting disc is connected with first sleeve, first sleeve is slidably connected with second sleeve, first screw is rotatably connected in second sleeve, and first screw is threadedly connected in first sleeve, one end of first screw located outside second sleeve is connected with knob, connecting disc is slidably connected with several support rods, and several support rods are movably connected with second sleeve by connecting rod.

[0006] Preferably, the outer wall of the connecting shaft is provided with a first positioning ring, and the first positioning ring is rotatably connected in the stand.

[0007] Preferably, one end of the mounting block is connected with a second screw, and the second screw is threadedly connected in the connecting block.

[0008] Preferably, the mounting block and the connecting block are hexagonal.

[0009] Preferably, the outer wall of the first screw rod is provided with a second positioning ring, and the second positioning ring is rotationally connected in the end of the second sleeve.

[0010] Preferably, a sliding groove is formed in the connecting disc, and one end of the supporting rod is connected with a sliding block which is slidingly connected in the sliding groove.

[0011] Preferably, the supporting rod is provided with a rubber pad.

[0012] The utility model discloses a beneficial effect is:

[0013] The utility model discloses a part can rotate with more uniform speed through the design of the automatic auxiliary jig, improves the problem of uneven sand blasting of part surface, is also favorable to the control of sand blasting time, effectively improves the sand blasting efficiency.

[0014] The utility model discloses a part can rotate with more uniform speed through the design of the automatic auxiliary jig, improves the problem of uneven sand blasting of part surface, is also favorable to the control of sand blasting time, effectively improves the sand blasting efficiency. ACCURATE DRAWINGS

[0015] Figure 1 The utility model discloses a structure schematic diagram of a kind of semi-automatic auxiliary sand blasting jig;

[0016] Figure 2 The utility model discloses a front view cross-sectional structure schematic diagram of a kind of semi-automatic auxiliary sand blasting jig;

[0017] Figure 3 The utility model discloses a top view cross-sectional structure schematic diagram of a kind of semi-automatic auxiliary sand blasting jig;

[0018] Figure 4 The utility model discloses a kind of semi-automatic auxiliary sand blasting jig of Figure 3 The utility model discloses a structure schematic diagram of enlarged view at A place in middle.

[0019] In the drawing: 1, base; 2, stand; 3, motor; 4, worm; 5, connecting shaft; 6, worm wheel; 7, connecting block; 8, mounting block; 9, connecting disc; 10, first sleeve; 11, second sleeve; 12, first screw rod; 13, knob; 14, supporting rod; 15, connecting rod; 16, first positioning ring; 17, second screw rod; 18, second positioning ring; 19, sliding groove; 20, sliding block; 21, rubber pad. CONCRETE IMPLEMENTING METHOD

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Referring to Figures 1-4 A kind of semi-automatic auxiliary sand blasting jig, including base 1, column 2 and motor 3 are provided on base 1, the output end of motor 3 is connected with worm 4, connecting shaft 5 is rotatably connected in column 2, one end of connecting shaft 5 is connected with worm wheel 6, worm wheel 6 and worm 4 are engaged with each other, the other end of connecting shaft 5 is connected with connecting block 7, connecting block 7 is movably connected with mounting block 8, mounting block 8 is connected with connecting disc 9, connecting disc 9 is connected with first sleeve 10, first sleeve 10 is slidably connected with second sleeve 11, first screw 12 is rotatably connected in second sleeve 11, first screw 12 is threadedly connected in first sleeve 10, one end of first screw 12 located outside second sleeve 11 is connected with knob 13, connecting disc 9 is slidably connected with several support rods 14, and several support rods 14 are movably connected with second sleeve 11 by connecting rod 15.

[0022] Before sand blasting, make first screw 12 rotate by using knob 13, because first screw 12 is threadedly connected in first sleeve 10, make second sleeve 11 slide on first sleeve 10, by the connection of connecting rod 15, make several support rods 14 close to each other, product is sleeved on support rod 14, rotate knob 13, make second sleeve 11 move to the direction of first sleeve 10, under the action of connecting rod 15, make several support rods 14 gradually far away from each other and support on the inner hole of product, so as to realize the fixation of product and clamping mechanism, start motor 3 switch, the output shaft of motor 3 drives worm 4 to rotate, worm 4 drives worm wheel 6 to rotate while reducing the rotating speed of worm wheel 6, by the connection between connecting shaft 5, connecting block 7 and mounting block 8, make clamping mechanism drive product to rotate at constant speed, so that sand blasting on the surface of product is more uniform.

[0023] Specifically, in the embodiment, the outer wall of connecting shaft 5 is provided with first positioning ring 16, the first positioning ring 16 is rotatably connected in the column 2, the axis displacement of the limiting connecting shaft 5 ensures the stability of the engagement between the worm wheel 6 and the worm 4.

[0024] Specifically, in the embodiment, one end of mounting block 8 is connected with second screw 17, second screw 17 is threadedly connected in connecting block 7, the connection between second screw 17 and connecting block 7 realizes the detachability of clamping mechanism.

[0025] Specifically, in the embodiment, mounting block 8 and connecting block 7 are hexagonal, which facilitates the installation of clamping mechanism using tools.

[0026] Specifically, in the embodiment, the first screw rod 12 is provided with a second positioning ring 18 on the outer wall, the second positioning ring 18 is rotationally connected in the end of the second sleeve 11, and the first screw rod 12 is provided with positioning, prevented from axial displacement, and the first screw rod 12 provides support when driving the second sleeve 11 to move outward.

[0027] Specifically, in the embodiment, the connecting disc 9 is provided with a sliding groove 19, one end of the supporting rod 14 is connected with a sliding block 20, the sliding block 20 is slidingly connected in the sliding groove 19, the supporting rod 14 is provided with accurate movement guide for movement, and the supporting rod 14 is prevented from separating from the connecting disc 9.

[0028] Specifically, in the embodiment, the supporting rod 14 is provided with a rubber pad 21, the elasticity of the rubber pad 21 improves the contact surface between the supporting rod 14 and the product, and improves the friction between the contact surfaces, improves the stability of the product after being fixed, and prevents the supporting rod 14 from causing damage to the inner hole of the product.

[0029] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A semi-automatic assisted sandblasting jig comprising a base (1), characterized in that: The base (1) is provided with a stand (2) and a motor (3), the output end of the motor (3) is connected with a worm (4), the stand (2) is rotatably connected with a connecting shaft (5), one end of the connecting shaft (5) is connected with a worm wheel (6), the worm wheel (6) is engaged with the worm (4), the other end of the connecting shaft (5) is connected with a connecting block (7), the connecting block (7) is movably connected with a mounting block (8), the mounting block (8) is connected with a connecting disc (9), the connecting disc (9) is connected with a first sleeve (10), the first sleeve (10) is slidably connected with a second sleeve (11), the second sleeve (11) is rotatably connected with a first screw rod (12), the first screw rod (12) is threadedly connected in the first sleeve (10), one end of the first screw rod (12) located outside the second sleeve (11) is connected with a knob (13), the connecting disc (9) is slidably connected with a plurality of supporting rods (14), the plurality of supporting rods (14) and the second sleeve (11) are movably connected through connecting rods (15).

2. The semi-automatic assisted sandblasting jig according to claim 1, characterized in that: The outer wall of the connecting shaft (5) is provided with a first positioning ring (16), and the first positioning ring (16) is rotatably connected in the stand (2).

3. The semi-automatic assisted sandblasting jig according to claim 1, wherein: One end of the mounting block (8) is connected with a second screw rod (17), and the second screw rod (17) is threadedly connected in the connecting block (7).

4. The semi-automatic assisted sandblasting jig according to claim 1, wherein: The mounting block (8) and the connecting block (7) are hexagonal.

5. The semi-automatic assisted sandblasting jig according to claim 1, wherein: The outer wall of the first screw rod (12) is provided with a second positioning ring (18), and the second positioning ring (18) is rotatably connected in the end of the second sleeve (11).

6. The semi-automatic assisted sandblasting jig of claim 1, wherein: The connecting disc (9) is provided with a sliding groove (19), one end of the supporting rod (14) is connected with a sliding block (20), and the sliding block (20) is slidably connected in the sliding groove (19).

7. The semi-automatic assisted sandblasting jig of claim 1, wherein: The supporting rod (14) is provided with a rubber pad (21).

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