Axial positioning and clamping mechanism for annular part

Abstract

The utility model relates to the technical field of machinery, in particular to an axial positioning and clamping mechanism for an annular part, which comprises a bottom plate, a sliding base, a sliding plate, a fixed seat, a clamping jaw, a rotating pin, a tool seat and an air cylinder assembly, the sliding base and the air cylinder assembly are mounted on the bottom plate, and the fixed seat is mounted on the sliding base. A rotatable sliding plate is installed between the sliding base and the fixing base, the end of the sliding plate is connected with a shaft of the air cylinder assembly, a rotating groove is formed in the surface of the sliding plate, at least two clamping jaws are installed in the sliding groove of the fixing base, a rotating pin at the bottom of each clamping jaw penetrates through the fixing base and then is inserted into the rotating groove, and a tool base is installed in the center of the fixing base. Compared with the prior art, angle positioning is carried out on the annular part through the tool base, the air cylinder drives the sliding plate to rotate, the annular part is clamped or loosened through the clamping jaws, and the problem that installation space and structure are limited is solved. The stroke range of the clamping jaw can be compatible with annular parts with different outer diameters, and the production cost is controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical technical field, concretely speaking, an axial positioning and clamping mechanism of annular part. BACKGROUND

[0002] In the production process of the steering machine, the annular part needs to be installed on the steering machine product.

[0003] However, due to the actual installation space and structure limitation, the annular part has the problem of difficult axial positioning and clamping, which is not convenient for the installation of the annular part.

[0004] In addition, during the assembly of the steering machine, the annular parts involved have various specifications and different outer diameters. If a corresponding axial positioning and clamping mechanism is designed for each type of annular part with different outer diameters, it is not conducive to the control of production cost and cannot meet the development trend of cost reduction and efficiency improvement.

[0005] Therefore, it is necessary to design an axial positioning and clamping mechanism of annular part to solve the problem of installation space and structure limitation, and to meet the compatibility of annular parts with different outer diameters. SUMMARY

[0006] The utility model discloses a kind of axial positioning and clamping mechanisms of annular part, solve installation space and structure limitation problem, simultaneously, meet the compatibility of annular parts with different outer diameters.

[0007] In order to achieve the above purpose, the utility model is an axial positioning and clamping mechanism of annular part, including bottom plate, sliding base, sliding plate, fixed seat, clamping jaw, rotating pin, tool holder, cylinder assembly, sliding base is installed on bottom plate, cylinder assembly, fixed seat is installed on sliding base, rotatable sliding plate is installed between sliding base and fixed seat, the shaft of cylinder assembly is connected with the end of sliding plate, the surface of sliding plate is equipped with rotating groove, rotating groove is arc, one end of rotating groove is located at the edge of sliding plate, the other end of rotating groove extends to the center of sliding plate, at least two clamping jaws are installed in the sliding groove of fixed seat, rotating pin is installed at the bottom of each clamping jaw, the end of rotating pin is inserted into rotating groove after passing through fixed seat, tool holder is installed in the center of fixed seat.

[0008] The bottom plate and the sliding base are connected by vertical fasteners and side fasteners, the vertical fasteners pass through the sliding base and are connected to the surface of the bottom plate, and the side fasteners pass through the mounting blocks on the surface of the bottom plate and are connected to the side surface of the sliding base.

[0009] The center of the sliding base is provided with a circular boss, and the through hole in the center of the sliding plate is sleeved outside the circular boss.

[0010] The tool holder has a profiling structure of the annular part.

[0011] The clamping jaw comprises a sliding block, a matching grinding piece and a clamping block, the sliding block is in sliding connection with a sliding groove of the fixed seat, a rotating pin is installed at the bottom of the sliding block, a clamping block is installed at one end of the sliding block close to the tool holder, and the matching grinding piece is arranged between the sliding block and the clamping block.

[0012] The fixed seat is connected with the sliding base by a fixed seat fastener, and the fixed seat fastener is connected with the sliding base after passing through the fixed seat and the avoiding groove of the sliding plate in sequence.

[0013] The avoiding groove is arranged along the circumference of the sliding plate.

[0014] One end of the sliding groove is located at the edge of the fixed seat, and the other end of the sliding groove is located at the center of the fixed seat.

[0015] Compared with the prior art, the tool holder is used for angle positioning of the annular part, the sliding plate is driven to rotate by the cylinder, so that the clamping jaw is used for clamping or loosening the annular part, and the installation space and structure limitation problem is solved. The travel range of the clamping jaw can be compatible with 2-3 annular parts of the same kind and different outer diameters, the compatibility of the mechanism is improved, and the production cost is effectively controlled. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an exploded view of the utility model.

[0017] Figure 2 It is a top view of the utility model.

[0018] Figure 3 It is an exploded view of the clamping jaw and the rotating pin of the utility model.

[0019] Figure 4 It is a partial sectional view of the clamping jaw and the rotating pin of the utility model.

[0020] Figure 5 It is a schematic view of the sliding plate, the rotating pin and the fixed seat fastener when the utility model is in a loosening limit position.

[0021] Figure 6 It is a schematic view of the sliding plate, the rotating pin and the fixed seat fastener when the utility model is in a clamping limit position. DETAILED DESCRIPTION

[0022] The utility model will be further described in combination with the drawings.

[0023] Reference Figure 1 , Figure 2The utility model relates to an axial positioning and clamping mechanism of annular parts, which comprises a base plate, a sliding base, a sliding plate, a fixed seat, a clamping jaw, a rotating pin, a tool holder and a cylinder assembly, wherein the sliding base 2 and the cylinder assembly 10 are installed on the base plate 1, the fixed seat 4 is installed on the sliding base 2, the sliding plate 3 is rotatably installed between the sliding base 2 and the fixed seat 4, the end of the sliding plate 3 is connected with the shaft of the cylinder assembly 10, the surface of the sliding plate 3 is provided with a rotating groove 31, the rotating groove 31 is arc-shaped, one end of the rotating groove 31 is located at the edge of the sliding plate 3, the other end of the rotating groove 31 extends to the center of the sliding plate 3, at least two clamping jaws are installed in the sliding groove of the fixed seat 4, the bottom of each clamping jaw is provided with a rotating pin 6, the end of the rotating pin 6 is inserted into the rotating groove 31 after penetrating through the fixed seat 4, and the tool holder 9 is installed in the center of the fixed seat 4.

[0024] In order to avoid the rotation of the sliding base 2 along with the sliding plate 3, the vertical fastener 21 and the side fastener 11 are used to connect between the base plate 1 and the sliding base 2, the vertical fastener 21 is connected with the surface of the base plate 1 after penetrating through the sliding base 2, and the side fastener 11 is connected with the side of the sliding base 2 after penetrating through the mounting block 12 on the surface of the base plate 1.

[0025] The center of the sliding base 2 is provided with a circular boss, and the through hole in the center of the sliding plate 3 is sleeved outside the circular boss.

[0026] The tool holder 9 has a profiling structure of the annular part, so as to place the annular part and position the annular part at an angle.

[0027] Referring to Figure 3 , Figure 4 The clamping jaw comprises a sliding block 5, a matching grinding piece 7 and a clamping block 8, the sliding block 5 is slidably connected with the sliding groove of the fixed seat 4, the bottom of the sliding block 5 is provided with the rotating pin 6, the end of the sliding block 5 close to the tool holder 9 is provided with the clamping block 8, and the matching grinding piece 7 is arranged between the sliding block 5 and the clamping block 8. The matching grinding piece 7 is used to adjust the axial position of the clamped annular part.

[0028] The fixed seat 4 and the sliding base 2 are connected by the fixed seat fastener 41, the fixed seat fastener 41 is connected with the sliding base 2 after penetrating through the fixed seat 4 and the avoiding groove 32 of the sliding plate 3 in sequence. The avoiding groove 32 is arranged along the circumference of the sliding plate 3. The avoiding groove 32 is arranged to avoid the interference of the fixed seat fastener 41 on the rotation of the sliding plate 3.

[0029] One end of the sliding groove is located at the edge of the fixed seat 4, the other end of the sliding groove is located at the center of the fixed seat 4, the length of the sliding groove is the travel range of the clamping jaw, and the length of the sliding groove can be set according to the different outer diameters of the compatible annular parts.

[0030] The utility model discloses a work, the annular part is placed in tool seat 9, through the axle retraction of cylinder subassembly 10 drive sliding plate 3 between fixed seat 4 and sliding base 2 counterclockwise rotation, along with the rotation of sliding plate 3, rotary pin 6 slides to the central part of sliding plate 3 along the rotary groove, to drive the jaw in the sliding groove of fixed seat 4 to the central part of fixed seat 4 and slide, realize the clamping of annular part, such as Figure 6 As shown.

[0031] Through the axle extension of cylinder subassembly 10 drive sliding plate 3 between fixed seat 4 and sliding base 2 clockwise rotation, along with the rotation of sliding plate 3, rotary pin 6 slides to the edge of sliding plate 3 along the rotary groove, to drive the jaw in the sliding groove of fixed seat 4 to the edge of fixed seat 4 and slide, realize the loosening of annular part, such as Figure 5 As shown, can take down the annular part on tool seat 9.

[0032] In the utility model, tool seat carries out angle positioning to annular part, and cylinder drives sliding plate to rotate, to realize the clamping or loosening of jaw to annular part, solves the installation space and the structure limitation problem. The travel range of jaw can be compatible with 2-3 same kind different outer diameter annular parts, improves the compatibility of mechanism, also makes production cost to obtain effective control.

Claims

1. An axial positioning and clamping mechanism for ring-shaped parts, comprising a base plate, a sliding base, a sliding plate, a fixed seat, a clamping jaw, a rotating pin, a tool seat, a cylinder assembly, characterized in that: The bottom plate (1) is provided with a sliding base (2) and a cylinder assembly (10), the sliding base (2) is provided with a fixed seat (4), the sliding base (2) and the fixed seat (4) are provided with a rotatable sliding plate (3), the end of the sliding plate (3) is connected with the shaft of the cylinder assembly (10), the surface of the sliding plate (3) is provided with a rotating groove (31), the rotating groove (31) is arc-shaped, one end of the rotating groove (31) is located at the edge of the sliding plate (3), the other end of the rotating groove (31) extends to the center of the sliding plate (3), at least two clamping jaws are installed in the sliding groove of the fixed seat (4), the bottom of each clamping jaw is provided with a rotating pin (6), the end of the rotating pin (6) penetrates through the fixed seat (4) and is inserted into the rotating groove (31), and the center of the fixed seat (4) is provided with a tool holder (9).

2. An axial positioning and clamping mechanism for a ring-shaped part according to claim 1, characterized in that: The bottom plate (1) and the sliding base (2) are connected through vertical fasteners (21) and side fasteners (11), the vertical fasteners (21) are connected with the surface of the bottom plate (1) after penetrating through the sliding base (2), and the side fasteners (11) are connected with the side of the sliding base (2) after penetrating through the mounting blocks (12) on the surface of the bottom plate (1).

3. An axial positioning and clamping mechanism for annular parts according to claim 1, characterized in that: The center of the sliding base (2) is provided with a circular boss, and the through hole in the center of the sliding plate (3) is sleeved outside the circular boss.

4. An axial positioning and clamping mechanism for annular parts according to claim 1, characterized in that: The tool holder (9) has a profiling structure of a ring-shaped part.

5. An axial positioning and clamping mechanism for annular parts according to claim 1, characterized in that: The clamping jaw comprises a sliding block (5), a matching grinding piece (7) and a clamping block (8), the sliding block (5) is slidably connected with the sliding groove of the fixed seat (4), the bottom of the sliding block (5) is provided with the rotating pin (6), one end of the sliding block (5) close to the tool holder (9) is provided with the clamping block (8), and the matching grinding piece (7) is arranged between the sliding block (5) and the clamping block (8).

6. An axial positioning and clamping mechanism for annular parts according to claim 1, characterized in that: The fixed seat (4) and the sliding base (2) are connected through a fixed seat fastener (41), the fixed seat fastener (41) penetrates through the fixed seat (4) and the avoiding groove (32) of the sliding plate (3) in sequence and is connected with the sliding base (2).

7. An axial positioning and clamping mechanism for annular parts according to claim 6, characterized in that: The avoiding groove (32) is arranged along the circumference of the sliding plate (3).

8. An axial positioning and clamping mechanism for annular parts according to claim 1, characterized in that: One end of the sliding groove is located at the edge of the fixed seat (4), and the other end of the sliding groove is located at the center of the fixed seat (4).

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