CN211071905U - A tool for machining shaft holes - Google Patents

Abstract

The utility model relates to a frock for processing shaft hole, including the workstation, install the moving system on the workstation, its special character lies in, the moving system include the moving platform in middle part and the moving platform that is located middle part moving platform both sides, the moving direction of both sides moving platform is perpendicular with the direction that middle part moving platform moved, the moving platform in middle part and the moving platform of both sides all include by ball, two linear guide of ball both sides and with the ball screw thread connection sliding seat composed ball pair, servo motor installs at ball pair's tip and servo motor's output connects ball, the sliding seat both sides set up the slider that is connected with linear guide; and the movable platforms at the two sides are provided with boring equipment, and the movable platform at the middle part is provided with a clamp. The application has the advantages that the structure is simple, and the processing efficiency can be improved.

Description

A tool for machining shaft holes

technical field

The utility model relates to a tool for machining shaft holes, belonging to the technical field of tooling for boring.

Background technique

Oil cylinders are widely used as hydraulic system actuators, with large demand and many manufacturers. Most of the cylinder tailstocks and piston rods and other shaft holes are processed by manufacturers generally using CNC milling machines or machining centers. The shaft hole processing can only be processed on one side. long time. This is because the cylinder tailstock and piston rod boring port can only be bored on one side of the machining center or CNC milling machine due to the limitation of the shape of the parts. After one side is processed, the other side needs to be turned 180 degrees for reprocessing. It takes a long time and requires two clampings. In terms of labor intensity, labor cost, and processing time, there are unreasonable aspects. According to the existing processing, the time required to process a workpiece is 15-18 minutes.

Utility model content

Aiming at the problems of inconvenient operation and low work efficiency when conventionally processing components such as oil cylinder tailstock and piston rod bore, the utility model provides a tool for processing shaft holes.

The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a tooling for machining shaft holes, comprising a workbench, a mobile system is installed on the workbench, and the special feature is that the mobile system includes a central mobile platform and The mobile platforms located on both sides of the central mobile platform, the moving direction of the two mobile platforms is perpendicular to the moving direction of the central mobile platform, and the central mobile platform and the two mobile platforms both include ball screws and ball screws. The two linear guide rails on the side and the ball screw pair composed of the sliding seat connected with the ball screw thread, the servo motor is installed at the end of the ball screw pair and the output end of the servo motor is connected with the ball screw. The sliding block connected by the linear guide rail; the boring equipment is installed on the mobile platforms on both sides, and the fixture is installed on the mobile platform in the middle; the fixture includes a mounting seat plate, and the end of the mounting seat plate is fixed with a positioning device, and the upper part of the mounting seat plate is installed. The clamping device is installed; the positioning device includes a fixed block and an adjustment block that are installed as a whole, two guide rod seats are installed on the adjustment block, and the end of each guide rod seat has a guide rod through hole, and the guide rod passes through the guide rod. The linear bearing is fixedly installed at the hole, the guide rod is inserted into the linear bearing, and two positioning rings are installed on the guide rod, one positioning ring is located at the end of the guide rod, and the other guide ring and the linear bearing are located on both sides of the guide rod seat. The positioning spring is sleeved on the guide rod and is located between the positioning ring at the end and the linear bearing. The guide rod on the fixture can slide elastically on the guide rod seat, and the end of the guide rod can abut on the cylindrical oil cylinder tailstock workpiece.

On the basis of the above-mentioned technical scheme, in order to achieve the convenience of use and the stability of the equipment, the present invention can also make the following improvements to the above-mentioned technical scheme:

Further, there are four boring equipments, and two opposite ones are in one group, one group is rough boring equipment, the other group is fine boring equipment, and the boring spindle heads of one group of equipments are on the same axis.

Further, the end of the fixing block body of the fixing block has a fixing block insert block, the ends of the fixing block body on both sides of the fixing block insert block are provided with two threaded holes, and the fixing block body is provided with fixing bolts.

Further, the adjustment block includes an adjustment block beam and an adjustment block support leg connected in a T-shaped structure; a groove is provided in the middle of the adjustment block support leg, and long strip-shaped through holes are provided on both sides of the groove; A T-shaped installation slot is arranged on the beam of the adjustment block.

Further, one end of the guide rod seat is provided with a guide rod through hole, and the other end is provided with a T-shaped insert block.

Further, a positioning screw is installed at the end of the guide rod. The guide rod is coaxial with the set screw. The positioning screw can be inserted into the positioning hole on the cylindrical cylinder tailstock. The two guide rods cooperate with the clamping rod to hold the workpiece stably.

Further, the clamping device includes a clamping rod with through holes at both ends, two clamping screw rods are inserted into the through holes of the clamping rod and fixed by two clamping nuts, The ends are secured to the mounting seat plate.

Further, the adjusting nut is installed on the clamping screw rod on the side of the mounting seat plate, and the base is installed under the mounting seat plate. The base is used for fixing to the table of the machining machine.

Further, a mounting base with a semicircular groove is fixedly mounted on the mounting base plate, and the mounting base is located between the two clamping screw rods. Semi-circular grooves on the mounting base can aid in the positioning of the workpiece.

Further, the positioning spring and the fixing block are located on the same side of the adjusting block.

The advantages of the utility model are that: the solution effectively solves the problems of the cylinder tailstock, the boring and clamping of the piston rod and the processing technology. One clamping, no need to rotate, the spindle head is processed on both sides, which fundamentally solves the problem of two rotations and two clampings in the original processing, and greatly reduces the processing time. It takes 7-9 minutes to process a workpiece, and the processing efficiency It is greatly improved, and the processing accuracy can also meet the requirements of the process. The processing efficiency is increased by 200%, which greatly reduces the processing time, the labor intensity of workers, and improves the production efficiency. In particular, the fixture in it can stably clamp the workpiece with the cylindrical structure.

Description of drawings

Fig. 1 is the structural representation of a kind of tooling for processing shaft hole of the present application;

Fig. 2 is the enlarged view of A place in Fig. 1;

Fig. 3 is the structural representation of the clamp;

4 is a schematic structural diagram of a positioning device;

FIG. 5 is a schematic structural diagram of a fixed block.

Reference numerals are recorded as follows: table (1), moving system (2), servo motor (2.1), ball screw (2.2), linear guide (2.3), sliding seat (2.4), clamp (3), mounting seat Plate (3.1), positioning device (3.2), fixing block (3.2.1), fixing block body (3.2.1.1), fixing block insert (3.2.1.2), fixing bolt (3.2.1.3), adjusting block (3.2 .2), guide rod seat (3.2.3), guide rod (3.2.4), positioning ring (3.2.5), positioning spring (3.2.6), linear bearing (3.2.7), positioning screw (3.2. 8), clamping device (3.3), mounting base (3.4), base (3.5).

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings, and the examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

A tooling for machining shaft holes (see Figures 1-5), including a workbench 1, on which a mobile system 2 is installed, the mobile system 2 includes a central mobile platform and two sides of the central mobile platform. The mobile platform, the mobile platform in the middle and the mobile platforms on both sides include a ball screw 2.2, two linear guide rails 2.3 on both sides of the ball screw 2.2, and the ball screw 2.2. The ball is composed of a sliding seat 2.2 threadedly connected For the screw pair, the servo motor 2.1 is installed at the end of the ball screw pair and the output end of the servo motor 2.1 is connected to the ball screw 2.2. The sliders connected to the linear guide 2.3 are arranged on both sides of the sliding seat 2.4; The boring equipment is installed, and the fixture 3 is installed on the mobile platform in the middle; the fixture 3 includes a mounting seat plate 3.1, the end of the mounting seat plate 3.1 is fixedly installed with a positioning device 3.2, and a clamping device 3.3 is installed above the mounting seat plate 3.1; The positioning device 3.2 includes a fixed block 3.2.1 and an adjustment block 3.2.2 that are installed as a whole, two guide rod seats 3.2.3 are installed on the adjustment block 3.2.2, and the end of each guide rod seat 3.2.3 It has a guide rod through hole, the linear bearing 3.2.7 is fixedly installed at the guide rod through hole, the guide rod 3.2.4 is inserted into the linear bearing 3.2.7, and two positioning rings 3.2.5 are installed on the guide rod 3.2.4, A positioning ring 3.2.5 is located at the end of the guide rod 3.2.4, the other guide ring 3.2.5 and the linear bearing 3.2.7 are located on both sides of the guide rod seat 3.2.3, and the positioning spring 3.2.6 is set on the guide rod 3.2. .4 and between the locating ring 3.2.5 at the end and the linear bearing 3.2.7.

There are four boring equipments, and two opposite ones are grouped, one group is rough boring equipment, the other group is fine boring equipment, and the boring spindle heads of one group of equipments are on the same axis.

The end of the fixed block body 3.2.1.1 of the fixed block 3.2.1 (see Figure 5) has a fixed block insert block 3.2.1.2, and the ends of the fixed block body 3.2.1.1 on both sides of the fixed block insert block 3.2.1.2 There are two threaded holes on it, and fixing bolts 3.2.1.3 are arranged on the body 3.2.1.1 of the fixing block.

The adjustment block 3.2.2 includes an adjustment block beam 3.2.2.1 and an adjustment block leg 3.2.2.2 connected in a T-shaped structure; a groove is provided in the middle of the adjustment block leg 3.2.2.2, and two sides of the groove are provided There are elongated through holes; the adjustment block beam 3.2.2.1 is provided with a T-shaped installation groove.

One end of the guide rod seat 3.2.3 is provided with a guide rod through hole, and the other end is provided with a T-shaped insert.

A set screw 3.2.8 is installed at the end of the guide rod 3.2.4.

The clamping device 3.3 (see Figure 3) includes a clamping rod 3.3.2 with through holes at both ends, and two clamping screw rods 3.3.1 are inserted into the through holes of the clamping rod 3.3.2 and Fastened by two clamping nuts 3.3.3, the end of the clamping screw 3.3.1 is fixed on the mounting base plate 3.1.

The adjusting nut 3.3.4 is installed on the clamping screw 3.3.1 on the side of the mounting seat plate 3.1, and the base 3.5 is installed under the mounting seat plate 3.1.

A mounting base 3.4 with a semicircular groove is fixedly mounted on the mounting base plate 3.1, and the mounting base 3.4 is located between the two clamping screw rods 3.3.1.

The positioning spring 3.2.6 and the fixing block 3.2.1 are located on the same side of the adjusting block 3.2.2.

The use process of the equipment of the present application is as follows: 1. Place the workpiece 4 on the fixture 3 for clamping and positioning, the positioning tool automatically locates the workpiece, and manually clamps the workpiece.

2. Press the start button, the cooling water pump starts, the boring spindle head of the boring equipment rotates, and the moving platform in the middle sends the workpiece to the center of a pair of spindle heads, and the spindle heads are driven by the feed servo motor. To the vicinity of the workpiece, then switch to slow feed, turn the inner hole of the workpiece, and slowly exit to the original position after reaching the preset position. The first boring is mainly rough boring.

3. The mobile platform in the middle sends the workpiece to the center position of another pair of spindle heads, and the processing action of the spindle head is the same as that of the previous pair of spindle heads. This time, finishing is mainly used.

4. After the processing is completed, the mobile platform in the middle is returned to its original position, the clamping device is released, and the workpiece is removed.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (10)

1. The tool for machining the shaft hole comprises a workbench (1), wherein a moving system (2) is installed on the workbench (1), and the tool is characterized in that the moving system (2) comprises a moving platform at the middle part and moving platforms positioned on two sides of the moving platform at the middle part, the moving platform at the middle part and the moving platforms on two sides respectively comprise a ball screw pair consisting of a ball screw (2.2), two linear guide rails (2.3) on two sides of the ball screw (2.2) and a sliding seat (2.4) in threaded connection with the ball screw (2.2), a servo motor (2.1) is installed at the end part of the ball screw pair, the output end of the servo motor (2.1) is connected with the ball screw (2.2), and sliding blocks connected with the linear guide rails (2.3) are arranged on two sides of the sliding seat (2.4); boring equipment is arranged on the movable platforms at the two sides, and a clamp (3) is arranged on the movable platform at the middle part; the clamp (3) comprises an installation seat plate (3.1), a positioning device (3.2) is fixedly installed at the end part of the installation seat plate (3.1), and a clamping device (3.3) is installed above the installation seat plate (3.1); the positioning device (3.2) comprises a fixed block (3.2.1) and an adjusting block (3.2.2) which are integrally installed, two guide rod seats (3.2.3) are installed on the adjusting block (3.2.2), the end part of each guide rod seat (3.2.3) is provided with a guide rod through hole, a linear bearing (3.2.7) is fixedly installed at the guide rod through hole, the guide rod (3.2.4) is inserted in the linear bearing (3.2.7), two positioning rings (3.2.5) are installed on the guide rod (3.2.4), one positioning ring (3.2.5) is located at the end part of the guide rod (3.2.4), the other guide ring (3.2.5) and the linear bearing (3.2.7) are located on two sides of the guide rod seat (3.2.3), and a positioning spring (3.2.6) is sleeved on the guide rod (3.2.4) and located between the positioning ring (3.2.5) at the end part of the positioning ring and the linear bearing (3.2.7).

2. The tooling for machining a shaft hole according to claim 1, wherein the number of the boring devices is four, two opposite devices are in a group, one group is a rough boring device, the other group is a fine boring device, and the boring spindle heads of the devices in the group are on the same axis.

3. The tool for machining the shaft hole according to claim 1, wherein a fixing block inserting block (3.2.1.2) is arranged at the end of a fixing block body (3.2.1.1) of the fixing block (3.2.1.1), two threaded holes are formed in the end of the fixing block body (3.2.1.1) on two sides of the fixing block inserting block (3.2.1.2), and a fixing bolt (3.2.1.3) is arranged on the fixing block body (3.2.1.1).

4. The tooling for machining shaft holes is characterized in that the adjusting block (3.2.2) comprises an adjusting block cross beam (3.2.2.1) and an adjusting block supporting leg (3.2.2.2) which are connected in a T-shaped structure; the middle part of the adjusting block supporting leg (3.2.2.2) is provided with a groove, and two sides of the groove are provided with strip-shaped through holes; the adjusting block beam (3.2.2.1) is provided with a T-shaped mounting groove.

5. The tooling for machining shaft holes according to claim 1, wherein one end of the guide rod seat (3.2.3) is provided with a guide rod through hole, and the other end is provided with a T-shaped inserting block.

6. A tooling for machining shaft holes according to claim 1, characterized in that the end of the guide rod (3.2.4) is provided with a set screw (3.2.8).

7. The tooling for machining shaft holes is characterized in that the clamping device (3.3) comprises a clamping rod (3.3.2) with through holes at two ends, two clamping screw rods (3.3.1) are inserted into the through holes of the clamping rod (3.3.2) and fixed through two clamping nuts (3.3.3), and the ends of the clamping screw rods (3.3.1) are fixed on the mounting base plate (3.1).

8. The tooling for processing the shaft hole according to claim 7, wherein the clamping screw rod (3.3.1) is provided with an adjusting nut (3.3.4) at the side of the installation seat plate (3.1), and a base (3.5) is arranged below the installation seat plate (3.1).

9. The tooling for machining shaft holes according to claim 1, wherein the mounting base (3.4) with a semicircular groove is fixedly mounted on the mounting base plate (3.1), and the mounting base (3.4) is positioned between the two clamping screw rods (3.3.1).

10. The tooling for machining shaft holes according to claim 1, wherein the positioning spring (3.2.6) and the fixed block (3.2.1) are positioned on the same side of the adjusting block (3.2.2).

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