CN217167577U

CN217167577U - Double-station positioning fixture for exhaust valve die-casting cutting product

Info

Publication number: CN217167577U
Application number: CN202221043199.2U
Authority: CN
Inventors: 代琳琳; 欧阳波
Original assignee: Dalian Shengshi Precision Machinery Co ltd
Current assignee: Dalian Shengshi Precision Machinery Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-12
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a double-station positioning fixture for a die-casting cutting product of an exhaust valve, which comprises a turnover worktable, a first station and a second station; the turnover worktable is provided with a front fixed second station and a rear fixed first station respectively, 2 identical workpieces are arranged on the first station and the second station at different angles, the first station comprises a pressing block, a first sleeve column and a square base, the workpieces on the first station face upwards, a workpiece A faces upwards, a workpiece C faces backwards and penetrates through the first sleeve column, the workpiece A faces are limited through the pressing block, the second station comprises a groove-shaped base and a second sleeve column, the workpieces on the second station face upwards, a workpiece B faces upwards, a workpiece D faces forwards, the workpiece C faces are limited through a left side positioning part, the second station further comprises a front limiting part, and the front limiting part is limited on the workpiece D faces. The utility model discloses duplex position positioning fixture fixes a position and uses manpower sparingly, and machining efficiency is high, need not change the station repeatedly, prevents the wearing and tearing of other unprocessed faces, improves product quality.

Description

Double-station positioning fixture for exhaust valve die-casting cutting product

Technical Field

The utility model relates to a machining technology field, concretely relates to duplex position positioning fixture for installing discharge valve die-casting cutting article on car.

Background

With the rapid development of the automobile industry, automobile manufacturers continuously explore and optimize the automobile production process and the automobile assembly process, in order to save energy and cost, and under the premise of considering safety, certain parts of automobiles are integrally formed by die-casting, so that the cost is saved, the product quality can be improved, automobile exhaust valve die-casting cutting products are used as important parts of automobiles, as shown in figure 1, the automobile exhaust valve die-casting cutting products have complex structures and technological requirements, and a plurality of surfaces of the automobile exhaust valve die-casting cutting products need to be drilled, the former processing mode is that a positioning clamp of the exhaust valve die-casting cutting products is a station, one surface is processed, then the other surface is processed by adjusting the positioning clamp to the other surface, the processing of one die-casting cutting product needs to adjust a plurality of stations, the time consumption is long, the processing efficiency is low, the cost is increased, and meanwhile, the abrasion of other unprocessed surfaces can be caused by repeatedly replacing the stations, affecting the quality of the product.

Disclosure of Invention

The utility model provides a to prior art not enough, the utility model provides a duplex position positioning fixture is through using machining center equipment to be equipped with the C axle roll-over table, realize once fixing a position the installation back and carry out drilling processing to a plurality of directions of article.

The utility model adopts the technical proposal that the double-station positioning fixture for the exhaust valve die-casting cutting product comprises a turnover worktable, a first station and a second station; the turnover workbench is characterized in that a second station and a first station are fixed front and back, 2 same workpieces are arranged on the first station and the second station at different angles, the first station comprises a pressing block, a first sleeve column and a square base, the workpiece A on the first station faces upwards, the workpiece C faces backwards and penetrates through the first sleeve column, the workpiece A is limited by the pressing block, the second station comprises a groove-shaped base and a second sleeve column, the workpiece B on the second station faces upwards, the workpiece D faces forwards, the workpiece C faces is limited by a left side positioning part, the second station further comprises a front limiting part, and the front limiting part is limited by the workpiece D face.

Preferably, the overturning worktable can be overturned by 90 degrees forwards and backwards.

Preferably, the side positioning part comprises a square block and top pillars, and the 2 top pillars transversely penetrate through the square block and then abut against the surface C of the workpiece at the second station.

Preferably, the front limiting part is connected with the front limiting part cylinder, the front limiting part comprises a main limiting rod and an auxiliary limiting rod, one end of the main limiting rod is hinged to one end of the auxiliary limiting rod, the other end of the main limiting rod is hinged to a telescopic rod, the telescopic rod penetrates through the base to be connected with the front limiting part cylinder, the other end of the auxiliary limiting rod is hinged to the auxiliary base, and the auxiliary base and the base are fixed on the turnover workbench in parallel.

Preferably, the first sleeve column penetrates through the square base to be connected with the air cylinder, and the top end of the first sleeve column is fixed with the pressing block.

The utility model has the advantages that: the utility model discloses a set up the station of two sets of different structures on the upset workstation, first station and second station, through C shape upset workstation forward with backward 90 degrees, process the different faces of work piece, once fix a position 3 face processing can be accomplished to the work piece, weak point consuming time uses manpower sparingly, machining efficiency is high, simultaneously, does not need the change station that relapses, prevents the wearing and tearing of other unprocessed faces, improves product quality.

Drawings

Fig. 1 is a first schematic structural diagram of a die-casting cutting product of an exhaust valve.

Fig. 2 is a schematic structural diagram of a die-casting cutting product of the exhaust valve.

Fig. 3 is a third schematic structural diagram of a die-casting cutting product of the exhaust valve.

Fig. 4 is a structural schematic diagram of a double-station positioning clamp of a die-casting cutting product of the exhaust valve.

Fig. 5 is a schematic structural diagram of a double-station positioning clamp for mounting a pressure casting cutting product of an exhaust valve.

Fig. 6 is a structural schematic diagram of a double-station positioning fixture for mounting the exhaust valve die-casting cutting product.

Fig. 7 is a schematic view of the front stopper.

The labels in the figure are: 1-workpiece, 11-workpiece A surface, 14-workpiece D surface, 12-workpiece B surface, 13-workpiece C surface, 2-turnover worktable, 3-side positioning part, 4-first station, 5-second station, 6-front limiting part, 7-front limiting part cylinder, 31-square, 32-top column, 41-pressing block, 42-first sleeve column, 43-square base, 51-groove base, 52-second sleeve column, 61-main limiting rod, 62-auxiliary limiting rod, 63-auxiliary base, 64-telescopic rod, 65-base and 66-front limiting contact end.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. The vertical direction described in the present invention is vertical from top to bottom in the drawing, and the horizontal direction is left to right in the drawing.

As shown in fig. 1 to 7, the double-station positioning fixture for the exhaust valve die-casting cutting product of the present invention comprises a turnover worktable 2, a first station 4 and a second station 5; the turnover worktable 2 is C-shaped and can be turned over, two ends of the turnover worktable 2 are connected with rotating shafts, one end of the rotating shaft is connected with a transmission belt, the transmission belt is connected with a motor to drive the turnover worktable 2 to rotate, the turnover worktable can be turned over for 90 degrees forwards and backwards, a workpiece B surface 12 of a second station 5 is processed when the turnover worktable is not turned over, a workpiece C surface 13 of a first station 4 is turned over forwards, a workpiece D surface 14 of the second station 5 is processed when the turnover worktable is turned backwards, the second station 5 and the first station 4 are respectively fixed on the turnover worktable 2 in a front-back mode, 2 identical workpieces 1 are arranged on the first station 4 and the second station 5 at different angles, the first station 4 comprises a pressing block 41, a first sleeve column 42 and a square base 43, the first sleeve column 42 penetrates through the square base 43 to be connected with an air cylinder, the first sleeve column 42 can move up and down, the square base 43 is fixed on the turnover worktable 2, the top end of the first sleeve column 42 is fixed with the pressing block 41, after the first sleeve column 42 descends, the pressing block 41 presses the workpiece for limiting, the workpiece A surface 11 of the workpiece 1 on the first station 4 faces upwards, the workpiece C surface 13 faces backwards, the workpiece 1 passes through the first sleeve column 42, the workpiece A surface 11 is limited through the pressing block 41, the second station 5 comprises a groove-shaped base 51 and a second sleeve column 52, the second sleeve column 52 is of a two-section cylindrical integrated structure with different diameters, the upper part is small, the lower part is large, the workpiece 1 on the second station 5 and the workpiece B surface 12 face upwards, the workpiece D surface 14 faces forwards, the working surface C surface 13 is limited through a left side positioning part 3, the side positioning part 3 comprises a square 31 and a top column 32, the 2 top columns 32 transversely pass through the square 31 and limit the workpiece 1, the top columns 32 can stretch left and right and can stretch out and draw back through a cylinder, the upper ends of the cylinder are connected with an air source through a pipeline, the top columns 32 extend out rightwards and then abut against the workpiece C surface 13 of the second station 5, the second station 5 further comprises a front limiting part 6, the front limiting part 6 limits the surface of the workpiece D14, the front limiting part 6 is connected with a front limiting part cylinder 7, the front limiting part 6 comprises a main limiting rod 61 and an auxiliary limiting rod 62, one end of the main limiting rod 61 is hinged to one end of the auxiliary limiting rod 62, the other end of the main limiting rod 61 is hinged to a telescopic rod 64, the telescopic rod 64 penetrates through a base 65 to be connected with the front limiting part cylinder 7, the other end of the auxiliary limiting rod 62 is hinged to an auxiliary base 63, after the telescopic rod 64 rises, the main limiting rod 61 is in a horizontal state, the left end of the main limiting rod is pressed on the surface of the workpiece D for limiting, and the auxiliary base 63 and the base 65 are fixed on the turnover worktable 2 in parallel.

The specific operation steps are as follows: before the workpiece 1 is installed, the overturning worktable 2 is cleaned, then 2 workpieces 1 are respectively installed on a first station 4 and a second station 5, the workpiece A surface 11 of the first station 4 faces upwards, the workpiece C surface 13 faces backwards, the workpiece B surface 12 faces upwards, the workpiece D surface 14 faces forwards, the working surface C surface 13 faces leftwards, the side positioning part 3, the front limiting part 6 and the cylinder button of the first sleeve column 42 are simultaneously started to limit the two-station workpiece 1, a pressing block 41 is limited in the Z direction on the first station 4, the side positioning part 3 is limited in the X direction on the second station 5, a main limiting rod 61 of the front limiting part 6 is limited in the Z direction of the workpiece D surface 14, the contact end of the main limiting rod 61 and the workpiece D surface 14 is a front limiting contact end 66, and as shown in figure 2, the workpiece B surface 12 on the second station 5 is drilled through a drill bit on a drilling machine, overturning worktable 2 overturns 90 forward, drills work piece C face 13 on first station 4, and overturning worktable 2 overturns 90 degrees backward, drills work piece D face 14 on second workstation 5, and two stations finish the back, cut off the air supply, and spacing all unclamps, takes off 2 work pieces 1, and processing finishes.

The utility model discloses a set up the station of two sets of different structures on upset workstation 2, first station 4 and second station 5, through C shape upset workstation 2 forward with backward 90 degrees, process the different faces of work piece, once can accomplish 3 processing to work piece 1 location, weak point consuming time uses manpower sparingly, machining efficiency is high, simultaneously, the change station that need not relapse prevents the wearing and tearing of other unprocessed faces, improves product quality.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Duplex position positioning fixture of discharge valve die-casting cutting article, its characterized in that: comprises a turnover worktable (2), a first station (4) and a second station (5); the turnover working table (2) is respectively fixed with a second station (5) and a first station (4) at the front and back, 2 identical workpieces (1) are arranged on the first station (4) and the second station (5) at different angles, the first station (4) comprises a pressing block (41), a first sleeve column (42) and a square base (43), the workpiece (1) on the first station (4) is upward from the workpiece A surface (11), the workpiece C surface (13) backwards penetrates through the first sleeve column (42), the workpiece A surface (11) is limited by the pressing block (41), the second station (5) comprises a groove-shaped base (51) and a second sleeve column (52), the workpiece (1) on the second station (5) is upward from the workpiece B surface (12), the workpiece D surface (14) is forward, and the workpiece C surface (13) on the left side is limited by a side positioning part (3), the second station (5) further comprises a front limiting part (6), and the front limiting part (6) limits the D surface (14) of the workpiece.

2. The double-station positioning fixture for the die-casting cutting product of the exhaust valve according to claim 1, characterized in that: the overturning worktable (2) can be overturned by 90 degrees forwards and backwards.

3. The double-station positioning fixture for the die-casting cutting product of the exhaust valve according to claim 1, characterized in that: the side positioning part (3) comprises a square block (31) and top pillars (32), and the 2 top pillars (32) transversely penetrate through the square block (31) and then abut against the C surface (13) of the workpiece of the second station (5).

4. The double-station positioning fixture for the die-casting cutting product of the exhaust valve according to claim 1, characterized in that: preceding spacing portion (6) connect preceding spacing portion cylinder (7), preceding spacing portion (6) including main gag lever post (61) and supplementary gag lever post (62), the one end of main gag lever post (61) articulated with the one end of supplementary gag lever post (62), the other end of main gag lever post (61) articulated with telescopic link (64), telescopic link (64) pass base (65) and connect preceding spacing portion cylinder (7), the other end of supplementary gag lever post (62) articulated with auxiliary base (63), auxiliary base (63) and base (65) parallel fixation on upset workstation (2).

5. The double-station positioning fixture for the die-casting cutting product of the exhaust valve according to claim 1, characterized in that: the first sleeve column (42) penetrates through the square base (43) to be connected with the air cylinder, and the top end of the first sleeve column (42) is fixed with the pressing block (41).