CN205184367U - Go up thrust support and mill a bore hole tapping frock - Google Patents

Abstract

The utility model discloses a milling surface boring and tapping tool for an upper thrust support, which comprises a fixture bottom plate, an arc cushion block, an upper thrust support, the arc shape of the upper surface of the arc cushion block and the bottom of the upper thrust support The upper thrust support is arranged on the arc pad, the front side and the left side of the upper thrust support are respectively against the positioning device, and the rear side and the right side of the upper thrust support are respectively provided with the second 1. The second clamping device, the second clamping device includes a second wedge bar slider mechanism driven by a second cylinder, and an upper pull rod, and the upper pull rod is connected to the sliding pull rod of the second wedge bar slider mechanism, so The upper pull rod is arranged above the wedge bar slider mechanism, and the upper pull rod is used for clamping the upper thrust bearing.

Description

Boring and tapping tooling for milling face of upper thrust support

technical field

The utility model belongs to the technical field of metal machining, and more specifically relates to a milling surface boring and tapping tool for an upper thrust support.

Background technique

The upper thrust support is a part on the car. Its shape is irregular, the bottom surface is arc-shaped, the upper side protrudes upwards, and it has multiple inclined surfaces. Therefore, it is not easy to clamp and position before milling. The tooling fixture for machining Whether the workpiece can be quickly and effectively clamped and fixed is an important guarantee for support milling plane processing. In view of this, the inventor of this case conducted in-depth research on the above-mentioned problems, and this case came into being.

Utility model content

The purpose of the utility model is to provide a milling surface boring and tapping tool for the upper thrust support, which solves the technical problems of low automation and poor clamping effect of the drilling jig of the existing upper thrust support, so as to overcome the problems in the prior art. The existing deficiencies.

The technical solution of the utility model to solve the technical problem is: a milling surface boring and tapping tool for the upper thrust support, including the bottom plate of the clamp, the arc pad, the upper thrust support, and the upper surface arc of the arc pad. The shape is adapted to the arc shape of the bottom of the upper thrust support, and the upper thrust support is arranged on the arc pad, the front side and the left side of the upper thrust support are respectively against the positioning device, and the upper thrust support The rear side and the right side are provided with first and second clamping devices respectively, and the second clamping device includes a second wedge bar slider mechanism driven by a second cylinder, an upper pull rod, and the upper pull rod is connected to the second wedge bar The sliding pull rod of the slider mechanism, the upper pull rod is arranged above the wedge bar slider mechanism, and the upper pull rod is used for clamping the upper thrust bearing.

The first clamping device includes a first air cylinder, a first wedge bar, and a first slider. The first slide block is arranged on the wedge surface side of the first wedge bar and is pushed by the first wedge bar in the direction of the thrust bearing. move.

The first slider is connected to the floating platen.

The first wedge rod is connected with the first driving cylinder through a cylinder joint.

A return spring is arranged on the first slider.

The second wedge bar slider mechanism also includes a second cylinder, a second wedge bar, and a roller, the roller is arranged on the sliding pull rod, and the wedge surface of the second wedge bar abuts against the roller.

A return spring is arranged on the sliding pull rod.

Both the sliding pull rod and the upper pull rod are fixedly connected with the connecting block.

The beneficial effects of the utility model are:

After adopting the above scheme, the rear side and the right side of the upper thrust support are respectively equipped with the first and second clamping devices so that the upper thrust support can be positioned and clamped, so that the milling process can be carried out smoothly, the clamping force of the fixture is strong, and the structure Scientific and reasonable, thus greatly improving production efficiency and reducing labor intensity of workers.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the milling surface boring and tapping tool for the upper thrust support of the utility model.

Fig. 2 is a top view of the utility model upper thrust bearing milling surface boring and tapping tooling structure.

Fig. 3 is a cross-sectional view along line A-A of Fig. 2 .

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "central", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" The orientation or positional relationship indicated by , "outside", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific Orientation, construction and operation in a particular orientation, therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection. It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

As shown in Figure 1-3, a boring and tapping tool for milling surface of an upper thrust support includes a fixture base plate 1, on which an air valve fixing plate 2, a baffle plate 5, an arc pad 6, and a sliding seat are arranged. 21. The base 22, the arc shape of the upper surface of the arc pad 6 matches the arc shape of the bottom of the upper thrust support 3, therefore, the upper thrust support 3 is set on the arc pad 6, and the upper thrust support The front side and the left side respectively lean against the positioning device, wherein the front side of the upper thrust bearing is positioned by the slider 32 provided on the base 22, and the left side of the upper thrust bearing is positioned by the compression screw 14 on the baffle plate 5. position. The rear side and the right side of the upper thrust bearing are provided with first and second clamping devices respectively, and the second clamping device includes a second wedge bar slider mechanism driven by a second cylinder 38, an upper pull rod 17, and an upper pull rod 17 is connected to the sliding pull bar 9 of the second wedge bar slider mechanism, and the upper pull bar is arranged above the wedge bar slider mechanism, and the upper pull bar is used for clamping the upper thrust bearing. The utility model moves the working center of gravity of the second wedge rod slider mechanism down, and the upper pull rod 17 is driven by the sliding pull rod 9 to clamp the workpiece, so that the height of the second clamping device does not exceed the height of the upper surface of the workpiece, which can avoid the milling cutter Carry out the operation of milling the end face of the workpiece. Moreover, in order to improve the reliability of the sliding mechanism, a wedge bushing 36 and a pull rod bushing 12 are arranged on the workbench, so that the second wedge rod and the sliding pull rod are all movable in the bushing, thereby reducing wear.

The first clamping device comprises a first cylinder 33, a first wedge bar 24, and a first slide block 29, and the first slide block is arranged on the wedge surface side of the first wedge bar and is pushed upward by the first wedge bar to push the thrust bearing direction to move. The outer end of the first sliding block 29 is connected with the floating pressure plate 31 through the flat head pin 30 .

The first wedge rod 24 is connected with the first driving cylinder 33 through a cylinder joint 34 .

A return spring 28 is arranged on the first slider 29 .

Described second wedge bar slider mechanism also comprises second air cylinder 38, second wedge bar 11, roller 10, and described roller 10 is arranged on the sliding pull bar 9 by cylindrical pin 13, and the wedge surface of described second wedge bar abuts against Lean on the roller 10.

A return spring 19 is arranged on the sliding rod 9 .

Both the sliding rod 9 and the upper rod 17 are fixedly connected with the connecting block 8 . The upper link 17 slides inside the bushing 18 . An indenter 15 is arranged at the end of the upper pull rod 17, and the upper thrust bearing 3 is clamped by the indenter 15.

Other structures and operations of the milling, boring, and tapping tool for the upper thrust support of the present invention are known to those skilled in the art, and will not be described in detail here.

Although the embodiments of the present invention have been shown and described, those skilled in the art should understand that various changes, modifications, substitutions and Variations, the scope of the utility model is defined by the claims and their equivalent replacements, and improvements made without creative work should be included in the protection scope of the utility model.

Claims (8)

1. The milling boring and tapping tooling for the upper thrust support, including the bottom plate of the fixture, the arc pad, and the upper thrust support, is characterized in that: the arc shape of the upper surface of the arc pad and the bottom of the upper thrust support The upper thrust support is arranged on the arc pad, the front side and the left side of the upper thrust support are respectively against the positioning device, and the rear side and the right side of the upper thrust support are respectively provided with the second 1. The second clamping device, the second clamping device includes a second wedge bar slider mechanism driven by a second cylinder, and an upper pull rod, and the upper pull rod is connected to the sliding pull rod of the second wedge bar slider mechanism, so The upper pull rod is arranged above the wedge bar slider mechanism, and the upper pull rod is used for clamping the upper thrust bearing. 2. The milling boring and tapping tool for the upper thrust support according to claim 1, characterized in that: the first clamping device includes a first cylinder, a first wedge rod, and a first slider, and the first A slider is arranged on the side of the wedge surface of the first wedge rod and is pushed by the first wedge rod to move upward toward the thrust bearing. 3. The milling boring and tapping tool for the upper thrust support according to claim 2, characterized in that: the first slider is connected to a floating pressure plate. 4. The milling and boring tapping tool for the upper thrust support according to claim 3, characterized in that: the first wedge rod is connected to the first driving cylinder through a cylinder joint. 5 . The boring and tapping tool for milling surface of the upper thrust support according to claim 4 , wherein a return spring is arranged on the first slider. 6 . 6. The milling boring and tapping tool for the upper thrust support according to any one of claims 1 to 5, characterized in that: the second wedge bar slider mechanism further includes a second cylinder, a second wedge bar, and a roller , the roller is arranged on the sliding rod, and the wedge surface of the second wedge bar abuts against the roller. 7. The boring and tapping tool for milling surface of the upper thrust support according to claim 6, characterized in that: the sliding rod is provided with a return spring. 8. The milling boring and tapping tool for the upper thrust support according to claim 7, characterized in that: the sliding rod and the upper rod are both fixedly connected to the connecting block.