Steering gear shell machining hydraulic clamp

Abstract

The utility model discloses a steering gear shell machining hydraulic clamp which comprises a clamp bottom plate and two overturning seats, the two overturning seats are oppositely arranged at the two ends of the top face of the clamp bottom plate, a gap bridge plate is arranged between the two overturning seats, and the steering gear shell machining hydraulic clamp is characterized in that the gap bridge plate comprises a first station, a second station, a third station and a fourth station; wherein the first station and the second station are the same and each comprise a positioning seat and a rhombic pin seat which are arranged on the gap bridge plate, a pressing head is arranged in front of each positioning seat, the third station and the fourth station are the same and each comprise a first V-shaped positioning block, a second V-shaped positioning block and an auxiliary positioning seat which are arranged on the gap bridge plate, and pressing plates are arranged above the first V-shaped positioning block and the second V-shaped positioning block. The steering gear shell machining tool has the advantages that machining of a steering gear shell in multiple directions can be achieved through the overturning base, clamping is convenient, the gap bridge plate is provided with multiple stations, multiple steering gears can be clamped at a time, and the machining efficiency can be remarkably improved.

Description

Technical Field

[0001] The utility model relates to the field of clamps, in particular to a steering gear housing machined hydraulic clamp. Background Art

[0002] The function of the steering gear is to appropriately transform the steering torque and steering angle from the steering wheel (mainly deceleration and torque increase), and then transmit it to the steering rod mechanism to make the car turn. Therefore, the steering gear is essentially a deceleration transmission device. The steering gear housing has holes in four directions, and each hole position needs to be machined. The existing fixture is a fixed fixture, so a set of fixtures needs to be replaced for each hole position. Therefore, a steering gear housing needs to be equipped with four sets of fixtures. The cost of fixture development is high, and the replacement of fixtures results in low equipment utilization, high labor intensity of workers, and low processing efficiency. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a steering gear housing machining hydraulic clamp, which has a simple structure, can clamp multiple workpieces at the same time, and can realize processing in multiple directions.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A steering gear housing machine hydraulic clamp, comprising a clamp bottom plate and a flip seat, wherein the number of the flip seats is two, the two flip seats are arranged opposite to each other at the two ends of the top surface of the clamp bottom plate, a bridge plate is arranged between the two flip seats, the bridge plate is connected to the rotating shaft on the flip seat through a connecting plate, and the characteristic is that the bridge plate comprises a first station, a second station, a third station, and a fourth station, wherein the first station and the second station are the same, both comprising a positioning seat arranged on the bridge plate and a diamond pin seat arranged on the bridge plate, a horizontally arranged positioning column is arranged on the positioning seat, a diamond pin seat is arranged perpendicular to the axial direction of the positioning column, a horizontal oil cylinder for driving the diamond pin is arranged on the diamond pin seat, and a horizontally movable pressure head is arranged in the opposite direction of the positioning column,

[0006] The third station is the same as the fourth station, and both include a first V-shaped positioning block, a second V-shaped positioning block, and an auxiliary positioning seat arranged on the bridge plate. The first V-shaped positioning block and the second V-shaped positioning block are arranged at intervals along the same straight line. The auxiliary positioning seat is arranged between the first V-shaped positioning block and the second V-shaped positioning block, and is close to the first V-shaped positioning block. An elastic support is arranged on the auxiliary positioning seat. A first pressure plate is arranged above the first V-shaped positioning block, and a second pressure plate is arranged above the second V-shaped positioning block.

[0007] Furthermore, a horizontal pressure cylinder is arranged on the bridge plate, the pressure head is arranged at the front end of the piston rod of the horizontal pressure cylinder, and the pressure head is coaxial with the positioning column.

[0008] Furthermore, the third workstation and the fourth workstation are arranged in parallel, and a first clamping cylinder is provided between the two first V-shaped positioning blocks of the third workstation and the fourth workstation, the middle part of the first pressure plate is hinged to the top end of the piston rod of the first pressure cylinder, and both ends of the first pressure plate extend to above the two first V-shaped positioning blocks of the third workstation and the fourth workstation.

[0009] Furthermore, a second clamping cylinder is provided on one side of the second V-shaped positioning block, the second clamping cylinder is a lever clamping cylinder, the second pressing plate is U-shaped, and the middle part of the second pressing plate is hinged to the front end of the clamping block of the lever clamping cylinder.

[0010] The beneficial effects of the utility model include: the steering gear housing can be processed in multiple directions through the flip seat, the clamping is convenient, and the bridge plate has multiple workstations that can clamp multiple steering gears at one time, which can significantly improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 yes Figure 1 Top view of the . DETAILED DESCRIPTION

[0013] The present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings.

[0014] A kind of Figure 1-2The steering gear housing machine hydraulic fixture shown includes a fixture bottom plate 1 and a flip seat 2, wherein the number of flip seats 2 is two, and the two flip seats 2 are arranged opposite to the two ends of the top surface of the fixture bottom plate 1. A bridge plate 3 is arranged between the two flip seats 2, and the bridge plate 3 is connected to the rotating shaft on the flip seat 2 through a connecting plate 4. A servo motor is arranged on the flip seat 2 to drive the bridge plate 3 to rotate. The servo motor is also linked with the machine tool to realize automatic flipping at a predetermined angle to facilitate the machine tool to realize multi-angle processing. In order to reduce the number of clamping and changing parts, the bridge plate 3 of this embodiment includes a first station, a second station, a third station, and a fourth station, wherein the first station and the second station are the same, and are used to locate and clamp a hole in the middle of the steering gear housing and a port at the end. The first and second stations both include a positioning seat 5 arranged on the bridge plate 3 and a diamond pin seat 6 arranged on the bridge plate 3, and a horizontally arranged positioning column 7 is arranged on the positioning seat 5, and a diamond pin 8 perpendicular to the axial direction of the positioning column 7 is arranged on the diamond pin seat 6, and positioning is achieved by one shaft and one pin. The diamond pin seat 6 is provided with a horizontal oil cylinder 9 for driving the diamond pin 8, which is convenient for clamping. A horizontally movable pressure head 10 is provided in the direction opposite to the positioning column 7, and a horizontal top pressure oil cylinder 17 is provided on the bridge plate 3. The pressure head 10 is provided at the front end of the piston rod of the horizontal top pressure oil cylinder 17, and the pressure head 10 is coaxial with the positioning column 7. It is used to press the steering gear housing onto the positioning seat 5.

[0015] The third station is the same as the fourth station, and each station includes a first V-shaped positioning block 11, a second V-shaped positioning block 13, and an auxiliary positioning seat 12 arranged on the bridge plate 3. The first V-shaped positioning block 11 and the second V-shaped positioning block 13 are arranged at intervals along the same straight line. The auxiliary positioning seat 12 is arranged between the first V-shaped positioning block 11 and the second V-shaped positioning block 13, and is close to one side of the first V-shaped positioning block 11. An elastic support 14 is arranged on the auxiliary positioning seat 12, which is the same as realizing the anti-rotation limitation of the workpiece by locking the elastic support after the steering gear is positioned on the V-shaped block. A first pressure plate 15 is arranged above the first V-shaped positioning block 11, and a second pressure plate 16 is arranged above the second V-shaped positioning block 13.

[0016] In order to save the hydraulic cylinder for clamping drive and reduce the demand for installation space of the fixture, the third station and the fourth station of this embodiment are arranged side by side, and a first clamping cylinder 18 is provided between the two first V-shaped positioning blocks 11 of the third station and the fourth station. The middle part of the first pressing plate 15 is hinged to the top of the piston rod of the first clamping cylinder 18, and both ends of the first pressing plate 15 extend to above the two first V-shaped positioning blocks 11 of the third station and the fourth station. Therefore, one clamping cylinder can realize the clamping of two adjacent stations.

[0017] Furthermore, a second clamping cylinder 19 is provided on one side of the second V-shaped positioning block 13. The second clamping cylinder 19 is a lever clamping cylinder. The second pressure plate 16 is U-shaped. The middle part of the second pressure plate 16 is hinged to the front end of the pressure block of the lever clamping cylinder. The U-shaped pressure plate can clamp two points on the workpiece.

[0018] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A steering gear housing machined hydraulic clamp, comprising a clamp bottom plate (1), a flip seat (2), wherein the flip seats (2) are two in number, the two flip seats (2) are arranged opposite to each other at two ends of the top surface of the clamp bottom plate (1), a bridge plate (3) is arranged between the two flip seats (2), the bridge plate (3) is connected to a rotating shaft on the flip seat (2) via a connecting plate (4), and is characterized in that: The bridge plate (3) comprises a first station, a second station, a third station, and a fourth station, wherein the first station and the second station are the same, both comprising a positioning seat (5) arranged on the bridge plate (3), and a rhombus pin seat (6) arranged on the bridge plate (3), the positioning seat (5) being provided with a transversely arranged positioning column (7), the rhombus pin seat (6) being provided with a rhombus pin (8) perpendicular to the axial direction of the positioning column (7), the rhombus pin seat (6) being provided with a horizontal oil cylinder (9) for driving the rhombus pin (8), and a horizontally movable pressure head (10) being provided in a direction opposite to the positioning column (7), The third station is the same as the fourth station, and comprises a first V-shaped positioning block (11), a second V-shaped positioning block (13), and an auxiliary positioning seat (12) arranged on the bridge plate (3); the first V-shaped positioning block (11) and the second V-shaped positioning block (13) are arranged at intervals along the same straight line; the auxiliary positioning seat (12) is arranged between the first V-shaped positioning block (11) and the second V-shaped positioning block (13), and is close to the first V-shaped positioning block (11); an elastic support (14) is arranged on the auxiliary positioning seat (12); a first pressing plate (15) is arranged above the first V-shaped positioning block (11), and a second pressing plate (16) is arranged above the second V-shaped positioning block (13).

2. A steering gear housing machined hydraulic clamp according to claim 1, characterized in that: A horizontal pressure cylinder (17) is provided on the bridge plate (3), the pressure head (10) is provided at the front end of the piston rod of the horizontal pressure cylinder (17), and the pressure head (10) is coaxial with the positioning column (7).

3. The steering gear housing machining hydraulic clamp according to claim 1, characterized in that: The third station and the fourth station are arranged in parallel, and a first clamping cylinder (18) is provided between the two first V-shaped positioning blocks (11) of the third station and the fourth station, the middle part of the first pressing plate (15) is hinged to the top end of the piston rod of the first pressing cylinder (18), and the two ends of the first pressing plate (15) extend to above the two first V-shaped positioning blocks (11) of the third station and the fourth station.

4. The steering gear housing machining hydraulic clamp according to claim 1, characterized in that: A second clamping cylinder (19) is provided on one side of the second V-shaped positioning block (13); the second clamping cylinder (19) is a lever clamping cylinder; the second pressing plate (16) is U-shaped; the middle portion of the second pressing plate (16) is hinged to the front end of the clamping block of the lever clamping cylinder.

Images