Hydraulic clamping device for drilling and boring of a strut

Abstract

The utility model relates to the field of machining manufacturing, especially a kind of hydraulic clamping device of pillar drilling and boring, mainly solve the problem that original machining procedure is all manual operation, operator's labor intensity is big, and the problem that the large error of workpiece is caused by processing in sequence.The utility model includes bottom plate (1), the fixed positioning plate (5) in bottom plate (1) upper, bottom plate (1) is fixed with support seat (3), support seat (3) is installed with backing plate (15), support seat (3) side edge is installed with locating block (10), bottom plate (1) is installed with hydraulic mechanism, the hydraulic mechanism includes top plate (12), hydraulic cylinder, top plate (12) is connected pressure block (14) by locating key C (13), the output shaft of hydraulic cylinder is connected with top plate (12).The utility model reduces the clamping intensity of operator, and hydraulic clamping reduces auxiliary time, improves processing production efficiency, reduces workpiece machining error, and simultaneously can adjust data parameters according to actual workpiece material type size.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machining manufacturing, especially a kind of hydraulic clamping device of pillar drilling and boring hole. BACKGROUND

[0002] Pillar bush hole processing has been one of the key processes in pillar production. The original process is divided into drilling and hole turning, which is processed on two vertical drilling machines and lathes. This process provides positioning reference for subsequent processes, so it requires that the size guarantee tolerance accuracy and the position degree and symmetry degree relative to the material type, and the perpendicularity of the axis of bush hole corresponding to the overall axis of pillar is an important size of the product, which directly affects the performance of the entire brake beam assembly. The basic principles of drilling jig and hole turning jig are the same. First, fix the tooling on the machine tool worktable, tightly attach the workpiece V-shaped groove front end to the tooling front end positioning plate, then use wrench to clamp two positioning bolts to fix the workpiece, adjust the front end positioning plate and the two side fixed seats and two support seats to ensure that the workpiece processing surface is perpendicular to the positioning surface; due to the different thickness of the workpiece blank, adjust the thickness of the support seat gasket to ensure that the processed bush hole is located at the center position of the blank, basically meet the processing surface processing technical requirements, complete the drilling and hole turning processing process. The processing of bush hole needs to ensure the hole diameter accuracy to ensure the stability of the bushing press fitting, and the 175mm size accuracy of the front end V-shaped groove position to ensure the position degree of the brake beam assembly center pin, so as to effectively ensure the overall fit of the pillar and brake beam after installation, and meet the overall performance of the brake beam. The original pillar bush hole drilling and turning jig is manually clamped, which requires high labor intensity of the operator, and the error is large due to the separate processing, and the single processing time is long, so the above problems are solved by providing a kind of hydraulic clamping device of pillar drilling and boring hole. SUMMARY

[0003] The utility model aims at providing a kind of hydraulic clamping device of pillar drilling and boring hole, to overcome the problem that the original pillar bush hole drilling and turning jig is manually clamped, which requires high labor intensity of the operator, and the error is large due to the separate processing, the utility model provides a kind of hydraulic clamping device of pillar drilling and boring hole, which improves the processing quality and production efficiency, uses hydraulic clamping, greatly reduces the labor intensity of the operator manually clamped, and can adjust the processing position according to the actual production situation and the thickness of the workpiece material.

[0004] In order to achieve the above purpose, the utility model provides a kind of hydraulic clamping device of pillar drilling and boring hole, including bottom plate, the bottom plate top fixed positioning plate, bottom plate is fixed with support seat, support seat is installed with gasket, support seat side is installed with positioning block, bottom plate is installed with hydraulic mechanism, the hydraulic mechanism includes top plate, hydraulic cylinder, top plate is connected with pressure block through positioning key C, the hydraulic cylinder output shaft is connected with top plate.

[0005] A positioning seat is connected to the base plate, and the positioning seat is connected to the positioning plate. The upper part of the positioning plate is triangular, and the apex angle of the upper part of the positioning plate matches the angle of the V-groove at the front end of the workpiece.

[0006] The support base has an overall L-shaped structure. The side of the support base is connected to a positioning key B, which is connected to a positioning block by bolts. The support base is connected to the base plate, and a stiffening plate B is provided between the support base and the base plate.

[0007] A vertical plate is connected to the base plate, and a stiffening plate A is provided between the vertical plate and the base plate. The hydraulic cylinder is mounted on the vertical plate through a flange.

[0008] The lower end of the base plate is connected to positioning key A, and is installed on the worktable via positioning key.

[0009] When the hydraulic clamping device for drilling and boring the support column is installed on the worktable via positioning key A, the horizontal angle of the device is parallel to the X-axis of the worktable.

[0010] This utility model has the following beneficial effects: Due to the above-mentioned solution, a support base is fixed on the base plate, a pad is installed on the support base, and a positioning block is installed on the side of the support base. The hydraulic mechanism installed on the base plate drives the pressure block to move forward during clamping, and works with the positioning block to clamp the workpiece, thereby greatly reducing the clamping strength of the operator. At the same time, hydraulic clamping greatly reduces auxiliary time and improves the production efficiency of processing. In addition, by installing the fixture on the CNC machining center, the data parameters can be adjusted according to the actual workpiece material size to ensure that the processed parts meet the technical requirements of the drawings, guarantee product quality, reduce auxiliary time, reduce errors and improve accuracy. Attached Figure Description

[0011] Figure 1 This is a front view of the hydraulic clamping device for drilling and boring pillars, as described in this utility model. Figure 2 This is a top view of the hydraulic clamping device for drilling and boring pillars, an example of this utility model. Figure 3 This is a left view of the hydraulic clamping device for drilling and boring pillars, an example of this utility model. Figure 4 This utility model provides an example of a hydraulic clamping device for drilling and boring pillars. Figure 1 Sectional view of AA; In the figure, 1-base plate, 2-vertical plate, 3-support seat, 4-positioning seat, 5-positioning plate, 6-stiffening plate A, 7-stiffening plate B, 8-positioning key A, 9-positioning key B, 10-positioning block, 11-flange, 12-top plate, 13-positioning key C, 14-pressure block, 15-pad plate. Detailed Implementation

[0012] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0013] Figure 1 is a front view of a hydraulic clamping device for drilling and boring holes of a support column according to an embodiment of the present application; Figure 2 is a top view of a hydraulic clamping device for drilling and boring holes of a support column according to an embodiment of the present application; Figure 3 is a side view of a hydraulic clamping device for drilling and boring holes of a support column according to an embodiment of the present application; Figure 4 is a hydraulic clamping device for drilling and boring holes of a support column according to an embodiment of the present application, along Figure 1 the sectional view of A-A in FIG. 1, and Figures 1 to 4 the present application provides a hydraulic clamping device for drilling and boring holes of a support column, comprising a bottom plate 1, a positioning plate 5 fixed above the bottom plate 1 for fixing a workpiece, a support seat 3 fixed on the bottom plate 1, a backing plate 15 installed on the support seat 3, and a positioning block 10 installed on the side edge of the support seat 3. When the hydraulic mechanism is started, the positioning block 10 cooperates with the hydraulic mechanism to fix the workpiece. A hydraulic mechanism is installed on the bottom plate 1, which comprises a top plate 12 and a hydraulic cylinder. The top plate 12 is connected to the pressing block 14 through a positioning key C13. The output shaft of the hydraulic cylinder is connected to the top plate 12. When the hydraulic cylinder is started, it can push the top plate and the pressing block 14 to move forward together, so as to clamp the workpiece together with the positioning block 10.

[0014] The bottom plate 1 is connected to a positioning seat 4, the positioning seat 4 is connected to the positioning plate 5, and the positioning seat 4 plays a fixing role on the positioning plate 5. The overall structure of the support seat 3 is L-shaped, the backing plate 15 is fixed on the bottom edge of the L-shaped support seat 3, the positioning key B9 is connected on the side edge of the L-shaped support seat 3, the positioning block 10 is fixed on the support seat 3 through the positioning key B9, the support seat 3 is connected to the bottom plate 1, and the support seat 3 and the bottom plate 1 are provided with a rib plate B7. The bottom plate 1 is connected to a positioning key A8 at the lower end and is installed on a workbench through the positioning key A8.

[0015] The bottom plate 1 is connected to a vertical plate 2, and a rib plate A6 is arranged between the vertical plate 2 and the bottom plate 1. The rib plate A6 is used for reinforcing the vertical plate 2, and the hydraulic cylinder is installed on the vertical plate 2 through a flange plate 11. The hydraulic cylinder and the top plate 12 are respectively located on both sides of the vertical plate 2. When the hydraulic cylinder is started, the output shaft pushes the top plate 12 and the pressing block 14 to move forward, so as to clamp the workpiece.

[0016] The pillar drilling and boring hydraulic clamping device is installed on the workbench through the positioning key A8, and the horizontal angle of the device is parallel to the X axis of the workbench.

[0017] In practice, the device is installed on the workbench, and the workpiece is placed horizontally in the device. The hydraulic clamping device is installed on the workbench through the positioning key A8, and the horizontal angle of the device is parallel to the X axis of the workbench. One end of the workpiece is placed on the positioning plate 5 installed on the positioning seat 4, and the other end is placed on the base plate 15 installed on the L-shaped support seat 3, so that the V-shaped groove at the front end of the workpiece is flush with the positioning plate 5 at the front end of the tooling, and the machining size is ensured to be 175mm. Turn the hydraulic clamp clamping button, control the hydraulic cylinder to push the clamped workpiece forward, so that the workpiece is tightly attached to the rear positioning block 10 without gap. At this time, start the drilling and boring machining program of the numerical control machining center, and drill the workpiece through the U-shaped drill. After replacing the boring cutter, boring machining is completed to ensure machining accuracy; after the workpiece is machined, the spindle cooling stops, and the clamp automatically retreats to the safety area; turn the hydraulic clamp release button, and take out the workpiece after the hydraulic cylinder retreats; use a brush or air gun to brush out the iron filings in the mold to ensure no impurities.

[0018] The pillar drilling and boring hydraulic process equipment can be adjusted according to the actual production situation and the thickness of the workpiece material, by adjusting the data parameters, appropriately adjusting the machining position, and adjusting the size of the clamp positioning base plate 15. Even if the clamp is appropriately worn, it does not need to be replaced, and only the corresponding parameters need to be adjusted.

[0019] In the practice process, since the workpiece is a forged blank, there is no complete plane and the positioning surface is on the same side as the machining direction, the positioning plate 5 and the positioning block 10 are used to ensure the relative perpendicularity of the machining surface, so as to ensure the accuracy of the workpiece machining.

[0020] The pillar drilling and boring hydraulic process equipment provided by the utility model has simple device structure, reasonable design, is beneficial to maintenance, greatly reduces the clamping strength of the operator, greatly reduces the auxiliary time through the hydraulic clamping, improves the production efficiency of machining, and installs the clamp on the numerical control machining center. According to the actual workpiece material size, adjusting the data parameters can also ensure that the machined parts meet the technical requirements of the drawings; two workpieces can be machined at the same time, manpower cost is saved, and machining efficiency is improved.

[0021] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A hydraulic clamping device for drilling and boring pillars, comprising a base plate (1), characterized in that: A positioning plate (5) is fixed above the base plate (1), a support seat (3) is fixed on the base plate (1), a pad (15) is installed on the support seat (3), a positioning block (10) is installed on the side of the support seat (3), and a hydraulic mechanism is installed on the base plate (1). The hydraulic mechanism includes a top plate (12) and a hydraulic cylinder. The top plate (12) is connected to the pressure block (14) through the positioning key C (13), and the output shaft of the hydraulic cylinder is connected to the top plate (12).

2. The hydraulic clamping device for drilling and boring a support column according to claim 1, characterized in that: The base plate (1) is connected to the positioning seat (4), the positioning seat (4) is connected to the positioning plate (5), the upper part of the positioning plate (5) is triangular, and the upper apex of the positioning plate matches the angle of the V-groove at the front end of the workpiece.

3. The hydraulic clamping device for drilling and boring a support column according to claim 1, characterized in that: The support base (3) has an overall L-shaped structure. The support base (3) is connected to the side of the positioning key B (9). The positioning key B (9) is connected to the positioning block (10) by bolts. The support base (3) is connected to the base plate (1), and there is a stiffening plate B (7) between the support base (3) and the base plate (1).

4. The hydraulic clamping device for drilling and boring a support column according to claim 1, characterized in that: A vertical plate (2) is connected to the base plate (1), and a stiffening plate A (6) is provided between the vertical plate (2) and the base plate (1). The hydraulic cylinder is installed on the vertical plate (2) through a flange (11).

5. The hydraulic clamping device for drilling and boring a support column according to claim 1, characterized in that: The bottom end of the base plate (1) is connected to the positioning key A (8) and is installed on the workbench through the positioning key.

6. The hydraulic clamping device for drilling and boring a support column according to claim 5, characterized in that: When the hydraulic clamping device for drilling and boring of the support column is installed on the worktable via positioning key A (8), the horizontal angle of the device is parallel to the X-axis of the worktable.

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