Accurate positioning mechanism for shell

Abstract

The utility model relates to an accurate shell positioning mechanism, which belongs to the technical field of shell assembly and comprises an upper shell positioning component and a lower shell positioning component, the lower shell positioning component is arranged right below the upper shell positioning component, a suction nozzle mechanism is arranged above the upper shell positioning component, and the upper shell positioning component comprises a shell. A plurality of upper shell placing holes are evenly formed in the shell, a positioning frame is arranged in the shell, and an extension rod is arranged at one end of the positioning frame. The positioning frame and the extension rod are arranged in the upper shell positioning component, a spring ejector pin is arranged in the positioning frame, an air cylinder is arranged on one side of the upper shell positioning component, and the air cylinder drives the extension rod to move towards the left side. After the suction nozzle mechanism sucks the upper shell and puts the upper shell into the upper shell placing hole of the upper shell positioning component, the air cylinder pushes the extending rod to move rightwards, the spring ejector pin pushes the upper shell to move rightwards, the upper shell is positioned through the arc-shaped chamfering part at the joint of the protruding part and the positioning frame, and therefore accurate positioning of the upper shell is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shell accurate positioning mechanism belongs to shell assembling technical field. BACKGROUND

[0002] In the automobile electronic manufacturing industry, some product combinations adopt buckle design, and the upper and lower shells need to be accurately positioned before buckling, and the current upper and lower shell accurate positioning mechanism is as shown in the drawings, the suction nozzle mechanism 1 sucks the upper shell 4, the upper shell 4 falls into the upper shell positioning member 2, the upper shell positioning member 2 uses the profiling structure to pre-position the upper shell 4 in the 45° inclined state, the lower shell 5 is positioned by the lower shell positioning member 3, and after the upper and lower shell positioning is completed, the suction nozzle mechanism 1 applies vertical pressure to the upper shell 4, and the upper and lower shell buckles are buckled together after the buckle force, and the product assembly is completed. Fig. 1-2 The above scheme has the following shortcomings:

[0003] 1. When the upper shell 4 is placed into the upper shell positioning member 2, due to the deviation of the product state sucked by the suction nozzle mechanism 1, the pre-positioning effect of the profiling structure on the inclined state of the upper shell 4 will have certain randomness, so that the inclined state of the shell is greater than or less than 45°.

[0004] 2. After the upper shell 4 is placed into the upper shell positioning member 2, the front, rear, left and right positioning of the upper shell 4 will also be deviated.

[0005] The above deviation will cause buckling failure, product bruising and affect product quality.

[0006] SUMMARY The utility model discloses a shell accurate positioning mechanism that overcomes the shortcomings of the traditional technology, sets up the positioning frame and the extension rod in the upper shell positioning member, sets up the spring thimble in the positioning frame, sets up the air cylinder on the side of the upper shell positioning member, positions the upper shell through the arc chamfer part of the protruding part and the connecting place of the positioning frame, so as to guarantee the accurate positioning of the upper shell.

[0007] The utility model discloses a shell accurate positioning mechanism that overcomes the shortcomings of the traditional technology, sets up the positioning frame and the extension rod in the upper shell positioning member, sets up the spring thimble in the positioning frame, sets up the air cylinder on the side of the upper shell positioning member, positions the upper shell through the arc chamfer part of the protruding part and the connecting place of the positioning frame, so as to guarantee the accurate positioning of the upper shell.

[0008] The utility model discloses a shell accurate positioning mechanism that overcomes the shortcomings of the traditional technology, sets up the positioning frame and the extension rod in the upper shell positioning member, sets up the spring thimble in the positioning frame, sets up the air cylinder on the side of the upper shell positioning member, positions the upper shell through the arc chamfer part of the protruding part and the connecting place of the positioning frame, so as to guarantee the accurate positioning of the upper shell.

[0009] As a further improvement of the above technical solution:

[0010] One end of the shell is provided with a sliding groove, and the extension rod extends out of the shell through the sliding groove.

[0011] The extension rod is fixedly connected with a connecting plate, the connecting plate is fixedly connected with a cylinder, and a cylinder fixing plate is arranged below the cylinder.

[0012] The cylinder fixing plate is provided with three bending portions at one end close to the shell, and gaps are arranged between the three bending portions.

[0013] The three bending portions are fixedly connected with the shell, and the extension rod passes through the gaps.

[0014] The positioning frame is provided with a plurality of sliding blocks on two sides, respectively, and the sliding blocks are slidably connected with sliding rods below, and the sliding rods are fixed in the shell.

[0015] The positioning frame is provided with a plurality of positioning rods on two sides of the inside, respectively, and the positioning rods on the two sides are one-to-one corresponding.

[0016] The end of the positioning rod is provided with a spring needle, the inside of the frame close to the extension rod is also provided with a spring needle on two sides, respectively, the spring needles on the two sides of the inside of the frame are arranged on a straight line, respectively, and the two corresponding positioning rods and the spring needles thereof are arranged below one upper shell placing hole.

[0017] The inside of the frame close to the positioning rod is provided with a convex portion.

[0018] The connection between the convex portion and the inside of the frame is provided with an arc chamfer portion.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] 1. High integration, small size, ensure the positioning accuracy of the upper shell, and ensure the consistency of the position before the upper shell is buckled.

[0021] 2. Reduce the product appearance defect caused by the difference of the buckling position.

[0022] The utility model discloses a positioning frame and an extension rod are arranged in the upper shell positioning component, a spring needle is arranged in the positioning frame, a cylinder is arranged on one side of the upper shell positioning component, the cylinder drives the extension rod to move to the left side, the suction nozzle mechanism sucks the upper shell, after the upper shell is placed in the upper shell placing hole of the upper shell positioning component, the cylinder drives the extension rod to move to the right, the spring needle drives the upper shell to move to the right, and the arc chamfer portion at the connection between the convex portion and the frame is used for positioning the upper shell, so that the accurate positioning of the upper shell is ensured.

[0023] The utility model will be further described in connection with the drawings and specific embodiments. DRAWINGS

[0024] Fig. 1 It is the stereoscopic structure schematic view of the upper and lower shell accurate positioning mechanism in the background art;

[0025] Fig. 2 is an exploded structural schematic view; Fig. 1

[0026] Fig. 3 is a three-dimensional structural schematic view of a shell precise positioning mechanism in an embodiment of the present utility model;

[0027] Fig. 4 is an exploded structural schematic view; Fig. 3

[0028] Fig. 5 is a structural schematic view of a positioning frame in an embodiment of the present utility model;

[0029] Fig. 6 is a structural schematic view of an upper shell placed in a positioning frame in an embodiment of the present utility model.

[0030] In the figure, 1 - suction nozzle mechanism, 2 - upper shell positioning member, 3 - lower shell positioning member, 4 - upper shell, 5 - lower shell, 6 - upper shell placing hole, 7 - cylinder fixing plate, 8 - cylinder, 9 - connecting plate, 10 - bending part, 11 - gap, 12 - sliding groove, 13 - positioning frame, 14 - extension rod, 15 - spring needle, 16 - sliding block, 17 - sliding rod, 18 - shell, 19 - positioning rod, 20 - protruding part, 21 - arc chamfer part. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present utility model will be described clearly and completely below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model. EMBODIMENT

[0032] As shown in Fig. 3-6 A shell precise positioning mechanism comprises an upper shell positioning member 2 and a lower shell positioning member 3, the lower shell positioning member 3 is arranged directly below the upper shell positioning member 2, and a suction nozzle mechanism 1 is arranged above the upper shell positioning member 2, and the suction nozzle mechanism 1 is used for sucking an upper shell 4.

[0033] ​​The upper shell positioning member 2 comprises a shell 18, a plurality of upper shell placing holes 6 for placing the upper shell 4 are uniformly arranged on the shell 18, a positioning frame 13 is arranged in the shell 18, a plurality of extension rods 14 are arranged at one end of the positioning frame 13, in this embodiment, two extension rods 14 are arranged, a sliding slot 12 is arranged at one end of the shell 18, the extension rods 14 extend out of the shell 18 through the sliding slot 12, a connecting plate 9 is fixedly connected to the extension rods 14, a pneumatic cylinder 8 is fixedly connected to the connecting plate 9, a pneumatic cylinder fixing plate 7 is arranged below the pneumatic cylinder 8, the pneumatic cylinder 8 is fixed on the pneumatic cylinder fixing plate 7, three bending portions 10 are arranged at one end of the pneumatic cylinder fixing plate 7 close to the shell 18, gaps 11 are arranged between the three bending portions 10, and the three bending portions 10 are fixedly connected to the shell 18, and the extension rods 14 pass through the gaps 11.

[0034] A plurality of sliding blocks 16 are arranged at two sides of the positioning frame 13, sliding rods 17 are slidably connected to the sliding blocks 16, the sliding rods 17 are fixed in the shell 18, a plurality of positioning rods 19 are arranged at two sides of the inside of the positioning frame 13, the positioning rods 19 at the two sides are one-to-one corresponding, spring ejectors 15 are arranged at the end portions of the positioning rods 19, spring ejectors 15 are also arranged at the inside of the frame close to the extension rods 14 at two sides of the positioning frame 13, the spring ejectors 15 at the two sides of the inside of the positioning frame 13 are arranged on a straight line respectively, the two corresponding positioning rods 19 and the spring ejectors 15 thereof are arranged below one upper shell placing hole 6, a protruding portion 20 is arranged at the inside of the positioning frame 13 close to the positioning rods 19, and an arc chamfer portion 21 is arranged at the connection between the protruding portion 20 and the inside of the positioning frame 13.

[0035] In use, the pneumatic cylinder 8 drives the extension rods 14 to move to the left side, the positioning frame 13 slides along the sliding rods 17 through the sliding blocks 16, and the suction nozzle mechanism 1 sucks the upper shell 4, after the upper shell 4 is placed into the upper shell placing hole 6 of the upper shell positioning member 2, the pneumatic cylinder 8 drives the extension rods 14 to move to the right side, the spring ejectors 15 on the positioning rods 19 drive the upper shell 4 to move to the right side, the upper shell 4 is accurately positioned through the arc chamfer portion 21 at the connection between the protruding portion 20 and the positioning frame 13, the lower shell positioning member 3 is arranged directly below the upper shell positioning member 2, the lower shell 5 is loaded on the lower shell positioning member 3, the suction nozzle mechanism 1 vertically presses the upper shell 4 downwards, and the buckling of the upper shell 4 and the lower shell 5 is completed.

[0036] The above merely describes a preferred embodiment of the utility model and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An enclosure precision positioning mechanism, characterized by: Including upper shell positioning member (2) and lower shell positioning member (3), lower shell positioning member (3) is set directly below upper shell positioning member (2), the upper of upper shell positioning member (2) is equipped with suction nozzle mechanism (1), upper shell positioning member (2) includes shell (18), shell (18) is uniformly provided with a plurality of upper shell placing holes (6), the inside of shell (18) is equipped with positioning frame (13), one end of positioning frame (13) is equipped with extension rod (14).

2. A housing positioning mechanism according to claim 1, wherein: One end of the shell (18) is provided with a chute (12), the extension rod (14) passes through the chute (12) and extends out of the shell (18).

3. A housing positioning mechanism according to claim 2, wherein: The extension rod (14) is fixedly connected with the connecting plate (9), the connecting plate (9) is fixedly connected with the air cylinder (8), and the air cylinder (8) is provided with the air cylinder fixing plate (7) below.

4. A housing positioning mechanism according to claim 3, wherein: The air cylinder fixing plate (7) is provided with three bending portions (10) at one end close to the shell (18), and gaps (11) are arranged between the three bending portions (10).

5. A housing positioning mechanism according to claim 4, wherein: The three bending portions (10) are fixedly connected with the shell (18), and the extension rod (14) passes through the gaps (11).

6. A housing positioning mechanism according to any one of claims 1 to 5, wherein: The positioning frame (13) is provided with a plurality of sliding blocks (16) on both sides, the sliding blocks (16) are slidably connected with sliding rods (17) below, and the sliding rods (17) are fixed in the shell (18).

7. A housing positioning mechanism according to claim 6, wherein: The inside of the positioning frame (13) is provided with a plurality of positioning rods (19) on both sides, and the positioning rods (19) on both sides one by one correspond.

8. A housing positioning mechanism according to claim 7, wherein: The end of the positioning rod (19) is provided with a spring thimble (15), the inside of the frame close to the extension rod (14) of the positioning frame (13) is also provided with a spring thimble (15) on both sides, and the spring thimbles (15) on both sides of the positioning frame (13) are arranged on a straight line, respectively, two corresponding positioning rods (19) and spring thimbles (15) are arranged below one upper shell placing hole (6).

9. A housing positioning mechanism according to claim 8, wherein: The inside of the positioning frame (13) close to the positioning rod (19) is provided with a convex portion (20).

10. A housing positioning mechanism according to claim 9, wherein: The connection between the convex portion (20) and the inside of the positioning frame (13) is provided with an arc chamfer portion (21).

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