CN217167410U - All-metal miniature inner circle lathe - Google Patents

Abstract

The utility model discloses a miniature interior round lathe of all-metal relates to machining equipment technical field. The utility model discloses a horizontal base, horizontal base's one end fixed mounting has main motor, the mounting disc of tube-shape is installed to the output shaft end of main motor, winds the axle center annular array of mounting disc is provided with a plurality of thread bushings. The utility model discloses an annular array sets up the screw of ending of thread bush and screw thread setting in the thread bush on the mounting disc of tube-shape, replace the three-jaw chuck, stop the work piece of contradicting through the rotation when the great work piece of diameter, and then it is fixed to accomplish the centre gripping, it is bigger to compare in the chuck of three-jaw chuck to end screw home range, can the great cylinder work piece of centre gripping diameter, just so make the one end that the mounting disc was kept away from to the work piece can be processed by drilling assembly, and then avoid using the three-jaw chuck and lead to the terminal surface of work piece and the unable problem of processing of hole.

Description

All Metal Micro Internal Lathe

technical field

The utility model relates to the technical field of mechanical processing equipment, in particular to an all-metal miniature internal circular lathe.

Background technique

All-metal micro internal lathe is a machine tool that mainly uses turning tools to turn rotating workpieces. The lathes in the traditional micro-machine tool series use the three-jaw chuck or the four-jaw chuck and the top of the tailstock to clamp the two ends of the rotating workpiece at the same time to fix the workpiece, because the three-jaw chuck or the four-jaw chuck of the micro lathe is in the The design is relatively small, so when facing workpieces with larger diameters and longer dimensions, the chuck cannot be used alone for fixing, and the tip of the tailstock must be used for auxiliary fixing, so the workpiece cannot be effectively fixed during the workpiece turning process. The end face and inner hole are processed, so that the processing requirements are limited and the next operation cannot be performed. When there is a processing requirement for the inner hole, it needs to be operated with the help of large-scale equipment, which increases the difficulty of operation. Large equipment is cumbersome and complicated to operate.

Utility model content

The purpose of this utility model is: in order to solve the above-mentioned problems in the background technology, the utility model provides an all-metal miniature internal circular lathe.

The utility model specifically adopts the following technical solutions in order to achieve the above-mentioned purpose:

An all-metal miniature internal lathe includes a horizontal base, and is characterized in that a main motor is fixedly installed at one end of the horizontal base, and a cylindrical mounting plate is installed at the end of the output shaft of the main motor, which surrounds the mounting plate. The annular array of the shaft center is provided with a plurality of threaded sleeves, the threaded sleeves are penetrated and fixed on the outer wall of the mounting plate, and the inner threaded sleeves are threadedly connected with stop screws fixed against the outer wall of the workpiece, and the threaded sleeves are installed on the outer wall of the workpiece. A drilling assembly at the other end of the horizontal base and movable along the horizontal base, and a turning tool assembly fixed on the side of the horizontal base and used for turning the outer diameter of the workpiece.

Further, the drilling assembly includes a bearing member that can move along the length of the horizontal base, an auxiliary motor is fixedly installed on the bearing member, and a first tool chuck is fixed at the end of the output shaft of the auxiliary motor, A drill bit is clamped and fixed at the end of the first tool chuck.

Further, the carrier includes a first chute opened on the horizontal base in the lengthwise upward direction, a first sliding block is slidably arranged in the first chute, and a first sliding block is slidably arranged in the first chute The first lead screw on the horizontal base, the first lead screw thread penetrates the first sliding block.

Further, the turning tool assembly includes a side lying base fixed on the side surface of the horizontal base, the side lying base is provided with a second chute along its length, and a second chute is slidably arranged in the second chute. The slider and the second chute are provided with a second screw rod that is rotatably installed on the side lying base, the second screw rod is rotatably installed on the side lying base, and also includes a second screw rod installed on the side lying base. Turning tool attachment on top of two sliders.

Further, the turning tool attachment includes a bearing seat fixed on the top of the second sliding block, and a mounting plate that can be adjusted in position along the width of the horizontal base is slidably mounted on the bearing seat. The screw is equipped with a second tool holder, and the end of the second tool holder is clamped and fixed with a milling cutter.

Further, a third chute along the width of the horizontal base is provided on the bearing base, and a third sliding block fixed to the mounting plate is slidably arranged in the third chute, and the third A third screw rod rotatably mounted on the bearing seat is arranged in the chute, and the thread of the third screw rod penetrates the third sliding block.

Further, the ends of the first screw rod, the second screw rod and the third screw rod are all fixed with a hand crank.

The beneficial effects of the present utility model are as follows:

The utility model replaces the three-jaw chuck by arranging a threaded sleeve in a circular array on the cylindrical mounting plate and a stop screw threaded in the threaded sleeve, and rotating the stop screw when facing a workpiece with a larger diameter Compared with the three-jaw chuck, the chuck stop screw has a larger movable range, and can clamp a cylindrical workpiece with a larger diameter, so that the end of the workpiece away from the mounting plate can be drilled Component processing, thereby avoiding the problem that the end face and inner hole of the workpiece cannot be processed due to the use of a three-jaw chuck.

Description of drawings

1 is a schematic diagram of the three-dimensional structure of the present utility model;

Fig. 2 is the top view of the utility model;

Figure 3 is a side view of the present utility model;

Reference numerals: 1. Horizontal base; 2. Main motor; 3. Mounting plate; 4. Threaded sleeve; 5. Stop screw; 6. Drilling assembly; , the first slider; 613, the first screw; 62, the auxiliary motor; 63, the first tool chuck; 64, the drill bit; 7, the turning tool assembly; 71, the lateral base; 72, the second chute; 73 74, the second screw rod; 75, turning tool accessories; 751, the bearing seat; 752, the mounting plate; 753, the second tool chuck; 754, the milling cutter; 755, the third chute; 756 , The third slider; 757, the third screw; 8, the hand crank.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in Figure 1, Figure 2, Figure 3, the all-metal miniature internal circular lathe includes a horizontal base 1, which is characterized in that a main motor 2 is fixedly installed at one end of the horizontal base 1, and the end of the output shaft of the main motor 2 is installed There is a cylindrical mounting plate 3, and a plurality of threaded sleeves 4 are arranged in an annular array around the axis of the mounting plate 3. The threaded sleeves 4 are penetrated and fixed on the outer wall of the mounting plate 3, and the inner threaded connection of the threaded sleeves 4 is fixed against the outer wall of the workpiece. The stop screw 5 also includes a drilling assembly 6 installed at the other end of the horizontal base 1 and movable along the horizontal base 1, and a lathe fixed on the side of the horizontal base 1 and used for turning the outer diameter of the workpiece. The knife assembly 7, in some embodiments, replaces the three-jaw chuck by disposing the threaded sleeve 4 in a circular array on the cylindrical mounting plate 3 and the set screw 5 threaded in the threaded sleeve 4. When the workpiece is larger, the stop screw 5 is rotated to interfere with the workpiece, thereby completing the clamping and fixing. Compared with the three-jaw chuck, the chuck stop screw 5 has a larger range of motion, and can clamp cylindrical workpieces with larger diameters. In this way, the end of the workpiece away from the mounting plate 3 can be processed by the drilling assembly 6, thereby avoiding the problem that the end face and inner hole of the workpiece cannot be processed due to the use of a three-jaw chuck. Specifically: first insert the workpiece into the cylindrical mounting In the plate 3, directly rotate the stop screw 5, so that the end of the annular set screw 5 can abut against the outer wall of the workpiece, the workpiece is clamped and fixed at this time, and then the drilling assembly 6 is driven to move towards the workpiece, and the The inside of the workpiece is drilled. After the drilling is completed, if the outer diameter of the workpiece needs to be cut, the turning tool assembly 7 is driven to cut the outer diameter of the workpiece, so that the workpiece meets the requirements of the drawing.

As shown in FIGS. 1 and 3 , in some embodiments, the drilling assembly 6 includes a carrier 61 that can move along the length of the horizontal base 1 , and an auxiliary motor 62 is fixedly mounted on the carrier 61 . The output of the auxiliary motor 62 is The end of the shaft is fixed with a first tool chuck 63, and the end of the first tool chuck 63 is clamped and fixed with a drill bit 64. Specifically: when operating the drilling assembly 6, the drill bit 64 is first clamped on the first tool chuck 63 Then start the auxiliary motor 62. It should be explained that the output shaft of the auxiliary motor 62 here is concentric with the output shaft of the main motor 2, and an electromagnetic brake is installed on the main motor 2. When the output shaft of 2 is concentric, the main motor 2 and the auxiliary motor 62 can be started to rotate in the opposite direction, thereby increasing the rotation speed during drilling and speeding up the speed of drilling. The drill bit 64 is driven by the auxiliary motor 62 to make holes.

As shown in FIG. 1 , FIG. 2 , and FIG. 3 , in some embodiments, the carrier 61 includes a first chute 611 extending in the lengthwise direction of the horizontal base 1 , and a first sliding block is slidably disposed in the first chute 611 612 and the first chute 611 is provided with a first screw rod 613 rotatably mounted on the horizontal base 1, the first screw rod 613 thread penetrates the first slider 612, specifically: when drilling and feeding, it is necessary to carry The component 61 drives the auxiliary motor 62 to move toward the workpiece, at this time, the first screw rod 613 should be driven to rotate, so that the first slider 612 threadedly connected with the first screw rod 613 moves towards the workpiece under the guidance of the first chute 611 .

As shown in FIGS. 1 and 2 , in some embodiments, the turning tool assembly 7 includes a lateral base 71 fixed on the side of the horizontal base 1 , and the lateral base 71 is provided with a second chute 72 along its length. A second sliding block 73 is slidably arranged in the second chute 72 , and a second screw rod 74 rotatably mounted on the side bed base 71 is arranged in the second chute 72 , and the second screw rod 74 is rotatably mounted on the side bed base 71 , and also includes a turning tool attachment 75 installed on the top of the second sliding block 73. Specifically: when the diameter of the workpiece needs to be cut, the second screw rod 74 is rotated so that the second sliding block 73 drives the turning tool attachment 75 to move to the required cutting diameter. position and allow the turning tool attachment 75 to slowly contact the rotating workpiece.

As shown in FIG. 1 and FIG. 2 , in some embodiments, the turning tool attachment 75 includes a bearing seat 751 fixed on the top of the second sliding block 73 . The bearing seat 751 is slidably installed with a position adjustable along the width of the horizontal base 1 The mounting plate 752, the second tool chuck 753 is assembled with screws on the mounting plate 752, and the end of the second tool chuck 753 is clamped and fixed with a milling cutter 754, specifically: the milling cutter 754 is used to contact the outer wall of the workpiece to achieve slow It is driven by the bearing seat 751 during the cutting movement.

As shown in FIG. 1 and FIG. 2 , in some embodiments, the bearing base 751 is provided with a third chute 755 along the width direction of the horizontal base 1 . The third sliding block 756, the third sliding groove 755 is provided with a third screw rod 757 rotatably mounted on the bearing seat 751, the third screw rod 757 thread penetrates the third sliding block 756, specifically: when the bearing seat 751 is moved , firstly drive the third screw rod 757 to rotate, so that the third slider 756 threadedly connected with the third screw rod 757 moves along the third chute 755 and the assembly is close to the outer wall of the workpiece. At this time, the workpiece is driven by the main motor 2 Rotating down, the milling cutter 754 can cut the workpiece or reduce the diameter of the workpiece.

As shown in FIG. 1 , in some embodiments, the ends of the first screw rod 613 , the second screw rod 74 , and the third screw rod 757 are all fixed with a hand crank 8 . Specifically, in order to facilitate the driving of the first screw rod 613 , the second screw 74 and the third screw 757 rotate, and the hand crank here can facilitate the operator to apply force.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. An all-metal miniature internal circular lathe, comprising a horizontal base (1), characterized in that a main motor (2) is fixedly installed at one end of the horizontal base (1), and the output shaft of the main motor (2) A cylindrical mounting plate (3) is installed at the end, a plurality of threaded sleeves (4) are arranged in an annular array around the axis of the mounting plate (3), and the threaded sleeves (4) are penetrated and fixed on the mounting plate (3). 3) The outer wall of the threaded sleeve (4) is threadedly connected with a stop screw (5) that is fixed against the outer wall of the workpiece, and also includes a set screw (5) installed on the other end of the horizontal base (1) and can be installed along the horizontal base. (1) A moving drilling assembly (6) and a turning tool assembly (7) fixed on the side of the horizontal base (1) and used for turning the outer diameter of the workpiece. 2. The all-metal miniature internal circular lathe according to claim 1, wherein the drilling assembly (6) comprises a carrier (61) that can move along the length of the horizontal base (1), so An auxiliary motor (62) is fixedly installed on the bearing member (61), a first tool chuck (63) is fixed at the end of the output shaft of the auxiliary motor (62), and the end of the first tool chuck (63) is fixed A drill bit (64) is clamped and fixed. 3 . The all-metal miniature internal circular lathe according to claim 2 , wherein the carrier ( 61 ) comprises a first chute ( 611 ) opened on the horizontal base ( 1 ) upward in length, so the A first sliding block (612) is slidably arranged in the first chute (611), and a first screw rod (613) that is rotatably mounted on the horizontal base (1) is arranged in the first chute (611). , the thread of the first screw rod (613) penetrates the first sliding block (612). 4. The all-metal miniature internal circular lathe according to claim 3, wherein the turning tool assembly (7) comprises a lateral base (71) fixed on the side surface of the horizontal base (1), and the The side bed base (71) is provided with a second chute (72) along its length, a second sliding block (73) is slidably arranged in the second chute (72), and the second chute (72) A second screw rod (74) rotatably mounted on the side lying base (71) is provided inside, and the second screw rod (74) is rotatably mounted on the side lying base (71), and also includes a second screw rod (74) mounted on the side lying base (71). A turning tool attachment (75) on the top of the second sliding block (73). 5. The all-metal miniature internal lathe according to claim 4, wherein the turning tool attachment (75) comprises a bearing seat (751) fixed on the top of the second sliding block (73), the A mounting plate (752) whose position is adjustable along the width of the horizontal base (1) is slidably mounted on the bearing seat (751), and a second tool chuck (753) is screwed on the mounting plate (752), A milling cutter (754) is clamped and fixed at the end of the second tool holder (753). 6. The all-metal miniature internal circular lathe according to claim 5, wherein a third chute (755) along the width of the horizontal base (1) is provided on the bearing seat (751), A third sliding block (756) fixed to the mounting plate (752) is slidably arranged in the third chute (755), and a third sliding slot (755) is rotatably mounted on the bearing seat. The third screw (757) on the (751), the thread of the third screw (757) penetrates the third slider (756). 7. The all-metal miniature internal circular lathe according to claim 6, wherein the ends of the first screw (613), the second screw (74), and the third screw (757) are all fixed with Hand crank (8).

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