Vertical machining hydraulic clamp for square support type workpiece

Abstract

The utility model discloses a square support type workpiece vertical machining hydraulic clamp which can provide uniform clamping force, is high in workpiece positioning accuracy, can automatically clamp a workpiece, is high in repeated positioning speed, and improves machining quality and machining efficiency. The device comprises a supporting table, a positioning block and a positioning seat are installed on the two sides of the center position of the surface of an upper bottom plate of the supporting table, and the device is characterized in that a vertical pressing mechanism is arranged above the center of the distance between the positioning block and the positioning seat, and side edge clamping mechanisms are arranged on the outward sides of the positioning block and the positioning seat; the side plate clamping mechanisms are symmetrically distributed about the geometric center of the surface of the upper bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of square bracket workpiece clamps, in particular to a square bracket type workpiece vertical hydraulic clamp. Background Art

[0002] A square bracket workpiece with a hole is used in engineering equipment. The workpiece has a complex structure, many processing dimensions and high processing accuracy requirements. The existing processing positioning fixture is a manual fixture, but the clamping force is uneven during manual clamping, and the workpiece positioning accuracy is low, resulting in reduced processing quality. In addition, manual operation is cumbersome and the repeated positioning speed is slow, which reduces the processing efficiency. Utility Model Content

[0003] In view of the shortcomings of manual clamps, such as uneven clamping force during manual clamping, low workpiece positioning accuracy, cumbersome manual operation, and slow repeated positioning speed, the utility model provides a square bracket type workpiece vertical hydraulic clamp, which can provide uniform clamping force, high workpiece positioning accuracy, can automatically clamp the workpiece, and has a fast repeated positioning speed, thereby improving the processing quality and processing efficiency.

[0004] The utility model provides the following technical solution: it includes a support table, and positioning blocks and positioning seats are installed on both sides of the center position of the upper base plate surface of the support table. It is characterized in that a vertical clamping mechanism is arranged above the center of the spacing between the positioning block and the positioning seat, and side clamping mechanisms are arranged on the outward sides of the positioning block and the positioning seat, and the side plate clamping mechanisms are symmetrically distributed about the geometric center of the upper base plate surface.

[0005] It is further characterized by:

[0006] The vertical clamping mechanism includes a central pressure block, the tail of which is rotatably connected to the head of the cylinder rod extending from the vertical oil cylinder below, the cylinder body of the vertical oil cylinder passes through the upper bottom plate and the cylinder body is provided with a cylinder flange mounted on the surface of the upper bottom plate, the surface of the cylinder flange is provided with a flange convex block, and the flange convex block is hinged to the middle part of the central pressure block through the connecting plates on both sides;

[0007] The side plate clamping mechanism comprises a connecting rod, wherein hinge supports are provided on both sides of the connecting rod, the bottom end of the hinge support is fixedly connected to the upper base plate, and the rod heads at both ends of the connecting rod are provided with grooves for clamping the tail end of the hinge block and rotatably connected thereto, the hinge support and the hinge block on the same side of the connecting rod are parallel and parallel, and a hinge clamping block is provided between the hinge support and the hinge block at the hinge support and the hinge block head, the tail end of the hinge clamping block is clamped on the hinge block head and rotatably connected thereto, and the bending part of the hinge clamping block is clamped on the hinge support head and rotatably connected thereto, and a cylinder vertical plate and a side cylinder are sequentially arranged behind the connecting rod, the side cylinder is installed on the side of the cylinder vertical plate and the rod head of the cylinder rod passes through the cylinder vertical plate and is fixedly connected to the middle part of the connecting rod;

[0008] Two main vertical plates are installed in parallel on the lower surface of the upper base plate and are fixedly connected to the raised base plate below them;

[0009] The middle part of the positioning block is provided with a circular groove, the inner groove is provided with an inner groove positioning pin, and the surface of the positioning seat is provided with a positioning pin;

[0010] An oil separator is installed on the side of the upper base plate near the cylinder flange.

[0011] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0012] The vertical clamping mechanism positions the center surface of the workpiece. The vertical oil cylinder drives the center pressure block to press down stably and quickly. With the positioning pin and the inner groove positioning pin, the workpiece can be positioned quickly and accurately in the vertical direction.

[0013] The side cylinder in the side plate clamping mechanism pulls the cylinder rod back to make the hinge clamp clamp and fix the four points on both sides of the workpiece, so that the workpiece is further fixed in the horizontal plane, and the workpiece can be positioned quickly, accurately and stably in the horizontal direction;

[0014] The vertical clamping mechanism and the side plate clamping mechanism can realize all-round clamping of the workpiece, with fast clamping speed. Fixed-point clamping not only improves the positioning accuracy of the workpiece but also ensures the processing accuracy of the workpiece, greatly improving the processing efficiency.

[0015] The main vertical plate and the elevated bottom plate can disperse the load, improve the stability of the upper bottom plate, and ensure the stability of the overall structure;

[0016] The oil separator can separate liquid and gas, reduce the impact of gas on the cylinder, ensure that the cylinder in the vertical clamping mechanism and the side plate clamping mechanism can work stably, and provide guarantee for accurate and fast positioning of workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 3 This is a rear view of the overall structure of the utility model;

[0020] Figure 4 It is an overall schematic diagram of the side panel clamping mechanism of the utility model;

[0021] Figure 5 It is a schematic diagram of the vertical pressing mechanism of the utility model;

[0022] Figure 6It is a schematic diagram of the side panel clamping mechanism of the utility model;

[0023] Figure 7 This is an exploded view of the side panel clamping mechanism of the utility model;

[0024] Figure 8 It is a schematic diagram of a workpiece of the present utility model.

[0025] Description of reference numerals:

[0026] 1. Upper base plate; 2. Main vertical plate; 3. Raised base plate; 4. Cylinder vertical plate; 5. Vertical cylinder; 6. Side cylinder; 7. Center pressure block; 8. Hinge clamp block; 9. Hinge support; 10. Hinge block; 11. Connecting rod; 12. Positioning block; 13. Inner groove positioning pin; 14. Positioning seat; 15. Cylinder flange; 16. Flange boss; 17. Connecting plate; 18. Oil distributor; 19. Positioning pin. DETAILED DESCRIPTION

[0027] The utility model provides Figure 1-Figure 8 A square bracket-type workpiece vertical hydraulic clamp is shown, which includes a support table, and positioning blocks 12 and positioning seats 14 are installed on both sides of the center position of the surface of the upper base plate 1 of the support table. A vertical clamping mechanism is arranged above the center of the distance between the positioning block 12 and the positioning seat 14, and side plate clamping mechanisms are arranged on the outward sides of the positioning block 12 and the positioning seat 14. The side plate clamping mechanisms are symmetrically distributed about the geometric center of the surface of the upper base plate 1; 2 is the main vertical plate and 3 is the raised base plate.

[0028] See Figure 5 The vertical clamping mechanism includes a central pressure block 7, the tail of the central pressure block 7 is rotatably connected to the head of the cylinder rod extending from the vertical oil cylinder 5 below, the cylinder body of the vertical oil cylinder 5 passes through the upper base plate 1, and the cylinder flange 15 provided on the cylinder body is installed on the surface of the upper base plate 1, and the surface of the cylinder flange 15 is provided with a flange protrusion 16, and the flange protrusion 16 is hinged to the middle part of the central pressure block 7 through the connecting plates 17 on both sides. The vertical oil cylinder 5 rises and drives the tail of the central pressure block 7 to rise, and the pressure head of the central pressure block 7 will move downward;

[0029] See Figure 6 , Figure 7The side plate clamping mechanism includes a connecting rod 11, hinge supports 9 are arranged on both sides of the connecting rod 11, the bottom end of the hinge support 9 is fixedly connected to the upper base plate 1, and the rod heads at both ends of the connecting rod 11 are provided with grooves to clamp the tail end of the hinge block 10 and are rotatably connected thereto. The hinge supports 9 and the hinge block 10 on the same side of the connecting rod 11 are parallel and parallel, and a hinge clamping block 8 is arranged between the hinge support 9 and the hinge block 10 at the heads of the hinge support 9 and the hinge block 10. The tail of the hinge clamping block 8 is clamped on the head of the hinge block 10 and is rotatably connected thereto, and the bending part of the hinge clamping block 8 is clamped on the head of the hinge support 9 and is rotatably connected thereto. A cylinder vertical plate 4 and a side cylinder 6 are sequentially arranged behind the connecting rod 11, and the side cylinder 6 is installed on the side of the cylinder vertical plate 4 and the head of the cylinder rod passes through the middle part of the cylinder vertical plate 4 and the connecting rod 11 and is fixedly connected thereto.

[0030] See Figure 4 The middle part of the positioning block 12 has a circular groove, an inner groove positioning pin 13 is arranged inside the circular groove, and a positioning pin 19 is arranged on the surface of the positioning seat 14;

[0031] See Figure 3 , near the cylinder flange 15, an oil separator 18 is installed on the side of the upper base plate 1.

[0032] Working principle of this utility model:

[0033] Refer to the instruction manual Figure 1-Figure 8 When using the utility model, first align the two pin holes at the bottom of the workpiece with the inner groove positioning pin 13 and the positioning pin 19 and insert them, so that the bottom surface of the workpiece is flush with the upper plane of the positioning block 12, and then start the program equipment hydraulic switch, the cylinder rod of the vertical cylinder 5 rises to pull the center pressure block 7 downward to press the workpiece, and then the cylinder rod of the side cylinder 6 in the side plate clamping mechanism moves back, and the hinge clamp block 8 clamps the workpiece with the inner clamp, which can achieve clamping at four points on both sides of the workpiece. At this time, the workpiece can be processed. After completion, the cylinder rod is reset and the workpiece can be taken out, which not only improves the clamping speed but also improves the clamping stability and positioning accuracy, thereby increasing the processing efficiency and processing quality.

Claims

1. A square bracket type workpiece vertical hydraulic clamp, which includes a support table, and positioning blocks and positioning seats are installed on both sides of the center position of the upper bottom plate surface of the support table, characterized in that: A vertical clamping mechanism is arranged above the center of the spacing between the positioning block and the positioning seat, and side plate clamping mechanisms are arranged outwardly of the positioning block and the positioning seat, and the side plate clamping mechanisms are symmetrically distributed about the geometric center of the upper base plate surface.

2. According to claim 1, a square bracket type workpiece vertical hydraulic clamp is characterized by: The vertical clamping mechanism includes a central pressure block, the tail of which is rotatably connected to the head of a cylinder rod extending from a vertical oil cylinder below. The vertical oil cylinder body passes through the upper base plate and a cylinder flange is provided on the cylinder body and is installed on the surface of the upper base plate. A flange protrusion is provided on the surface of the cylinder flange, and the flange protrusion is hinged to the middle part of the central pressure block through connecting plates on both sides.

3. A square bracket type workpiece vertical hydraulic clamp according to claim 1 or 2, characterized in that: The side plate clamping mechanism includes a connecting rod, hinge supports are provided on both sides of the connecting rod, the bottom end of the hinge support is fixedly connected to the upper base plate, the rod heads at both ends of the connecting rod are provided with grooves for clamping the tail end of the hinge block and rotatably connected thereto, the hinge supports and hinge blocks on the same side of the connecting rod are parallel and parallel, and a hinge clamping block is provided between the hinge support and the hinge block at the hinge support and the hinge block head, the tail end of the hinge clamping block is clamped on the hinge block head and rotatably connected thereto, and the bending part of the hinge clamping block is clamped on the hinge support head and rotatably connected thereto, and a cylinder vertical plate and a side cylinder are sequentially arranged behind the connecting rod, the side cylinder is installed on the side of the cylinder vertical plate and the rod head of the cylinder rod passes through the cylinder vertical plate and is fixedly connected to the middle part of the connecting rod.

4. A square bracket type workpiece vertical hydraulic clamp according to claim 3, characterized in that: Two main vertical plates are installed in parallel on the lower surface of the upper bottom plate and are fixedly connected to the raised bottom plate below the two main vertical plates.

5. A square bracket type workpiece vertical hydraulic clamp according to claim 4, characterized in that: A circular groove is arranged in the middle of the positioning block, an inner groove positioning pin is arranged inside the circular groove, and a positioning pin is arranged on the surface of the positioning seat.

6. A square bracket type workpiece vertical hydraulic clamp according to claim 2, characterized in that: An oil separator is installed on the side of the upper base plate near the cylinder flange.

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