CN213944995U - Special boring machine tool based on lathe - Google Patents

Abstract

The utility model relates to a special boring lathe based on lathe, include the layer board that moves along the lathe X axle direction and set firmly the base on the layer board, the boring sword is installed to lathe main shaft hole, the workstation that moves along the Y axle direction is slided and is equipped with on the base, and the workstation sets firmly the engaging lug seat along the preceding terminal surface or the rear end face of X axle direction, and the coupling lug seat is journalled has the location pivot that extends along the Y axle direction, and the one end of location pivot is equipped with at least a set of positioner; the positioning device comprises a first positioning rod, a second positioning rod and a third positioning rod which are distributed along the circumferential direction and extend along the Y-axis direction, the lengths of the first positioning rod, the second positioning rod and the third positioning rod are sequentially increased, and a positioning block which is opposite to the positioning rod is fixedly arranged on the supporting plate along the Y-axis direction. The utility model discloses utilize the rotation of location pivot among the positioner, make the locating piece spacing to three locating levers respectively, realize the location of the three position in the left and right sides of slot hole, improved the processing and the position accuracy of slot hole.

Description

Special boring machine tool based on lathe

Technical Field

The utility model relates to a machining equipment technical field especially involves a special boring lathe based on lathe.

Background

The slot hole is a structure which is frequently adopted for convenient connection, the conventional processing mode is that a round hole is firstly processed by a drill bit for a drilling machine, then the slot hole is milled by a milling cutter on a milling machine, vertical feed is adopted in the processing process, but for the workpieces such as rack sockets, when the vertical feed is processed, the bottom surface of the workpiece is of a convex structure, and the protrusion is not at the center of the workpiece, so that the clamping is inconvenient and fixed, a base plate is required to be padded every time, and the clamping efficiency is low.

Disclosure of Invention

The utility model discloses to prior art's not enough, reform transform on the basis of original lathe, provide a special boring lathe based on lathe, make full use of work piece self structural feature, horizontal feed processing has improved the convenience of work piece clamping.

The utility model is realized through the following technical scheme, a special boring lathe based on lathe is provided, include the layer board that moves along the lathe X axle direction and set firmly the base on the layer board, boring sword is installed to the lathe main shaft hole, the workstation that moves along the Y axle direction is slided and is equipped with on the base, the workstation top is equipped with work piece closing device, and the workstation has set firmly the engaging lug seat along the preceding terminal surface or the rear end face of X axle direction, and the coupling lug seat has the location pivot of following the extension of Y axle direction to peg graft, and the one end of location pivot is equipped with at least a set of positioner; every group positioner includes along the circumferencial direction distribution and along the first locating lever, second locating lever and the third locating lever of Y axle direction extension, and the length of first locating lever, second locating lever and third locating lever increases in proper order, and all with location pivot rigid coupling, set firmly on the layer board with wherein a locating piece that the locating lever is relative along Y axle direction.

This scheme reforms transform on the basis of the lathe, fix the work piece on the workstation through work piece closing device, realize the clamping, it feeds along the X axle direction to drive the work piece through the layer board, accomplish the processing of slot hole degree of depth, through along Y axle direction shift table, it removes along Y axle direction to drive the work piece, accomplish slot hole length direction's processing, the location pivot rotates around self axis on connecting ear seat, it is relative with the locating piece respectively to make the locating lever, push up to the locating piece respectively through three locating levers, accomplish the location of slot hole intermediate position and both sides circular arc position respectively, the size and the relative position precision of slot hole have been improved.

As optimization, the first positioning rod, the second positioning rod and the third positioning rod are connected with the positioning rotating shaft through threads. This optimization scheme all sets up first locating lever, second locating lever and third locating lever to be connected through screw and location pivot, conveniently adjusts the extension length of first locating lever, second locating lever and third locating lever, satisfies not unidimensional slot hole processing operation requirement, improves positioner's commonality.

And optimally, the first positioning rod, the second positioning rod and the third positioning rod are respectively provided with a limiting nut attached to the end surface of the positioning rotating shaft. This optimization scheme is fixed first locating lever, second locating lever and third locating lever through setting up stop nut, avoids leading to the locating lever extension length to diminish owing to pushing up to the locating piece many times.

And preferably, the workbench is provided with two limiting plates which extend upwards and are respectively positioned at two sides of the workpiece, and two live pressing bolts which are respectively positioned between the workpiece and the limiting plates, the live pressing bolts are sleeved with pressing plates positioned at the tops of the limiting plates, and pressing nuts in threaded connection with the live pressing bolts are arranged above the pressing plates. This optimization scheme is through setting up the limiting plate, forms the protection to work piece both sides to utilize the limiting plate to provide the support for the clamp plate, conveniently compress tightly the work piece, the both ends of clamp plate support respectively at the top of work piece and limiting plate, compress tightly the clamp plate downwards through gland nut, thereby compress tightly the work piece through the clamp plate.

Preferably, a vertically arranged positioning vertical plate is further fixedly connected to the workbench and is positioned on one side, away from the boring cutter, of the workpiece. According to the optimized scheme, the positioning vertical plate is arranged to position the workpiece in the X-axis direction, and the workpiece is ejected to the positioning vertical plate during clamping, so that the consistency of the positions of the long holes on the workpieces is ensured.

Preferably, a handle located on the side where the operator is located is fixedly arranged on the workbench. This optimization scheme is through setting up the handle, and convenient moving distance along Y axle direction shift table and control table.

Preferably, the positioning device is positioned on one side of the workbench facing the main shaft of the lathe. This optimization scheme sets up positioner in the workstation towards the one side of lathe main shaft, makes things convenient for while removal workstation, the while from the side of feed observation processing condition to and the relative position condition of locating lever and locating piece, improved the convenience of operation.

As optimization, the locking device further comprises a locking block fixedly connected with the workbench and a locking screw rod penetrating through the locking block and the workbench and propping the locking screw rod to the base, and the locking screw rod is in threaded connection with the locking block. This scheme makes its top tighten the fixing base through twisting locking screw, realizes the fixed of workstation through the frictional force between locking screw and the fixing base.

The utility model has the advantages that: the supporting plate drives the workpiece to move along the X axis, so that the transverse feed processing of round holes is realized, and the long hole processing is completed through the movement of the workpiece in the Y axis direction, so that the workpiece can be fixed on the workbench in a vertical state, the clamping stability is improved by utilizing two side plates of the workpiece, and the clamping efficiency is improved by compressing the workpiece through the pressing plate; the positioning device is used for limiting the three positioning rods by the positioning rotating shaft, so that the left, middle and right positions of the long hole are positioned, and the processing and position accuracy of the long hole is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the table;

FIG. 3 is a side view of the table;

FIG. 4 is a top view of the table;

FIG. 5 is a schematic view of a positioning device;

FIG. 6 is a top view of FIG. 5;

shown in the figure:

1. the device comprises a limiting plate, 2, a pressure-activated bolt, 3, a workpiece, 4, a positioning rotating shaft, 5, a handle, 6, a locking block, 7, a lathe bed, 8, a supporting plate, 9, a workbench, 10, a boring cutter, 11, a pressing plate, 12, a positioning vertical plate, 13, a second positioning rod, 14, a third positioning rod, 15, a first positioning rod, 16, a base, 17, a connecting lug seat, 18 and a positioning block.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

The present embodiment is improved based on the existing lathe, and the lathe bed 7, the spindle and the pallet all adopt the prior art. The special boring machine tool based on the lathe of the embodiment comprises a supporting plate 8 moving along the X-axis direction of the lathe and a base 16 fixedly arranged on the supporting plate, a boring cutter 10 is installed in an inner hole of a spindle of the lathe, a workbench 9 moving along the Y-axis direction is slidably arranged on the base 16, a workpiece pressing device is arranged at the top of the workbench, a connecting lug seat 17 is fixedly arranged on the front end surface or the rear end surface of the workbench along the X-axis direction, a positioning rotating shaft 4 extending along the Y-axis direction is connected to the connecting lug seat in a shaft coupling mode, and two groups of positioning devices are fixedly arranged at one end of the positioning rotating shaft.

Each group of positioning devices comprises a first positioning rod, a second positioning rod and a third positioning rod which are distributed along the circumferential direction and extend along the Y-axis direction, the lengths of the first positioning rod 15, the second positioning rod 13 and the third positioning rod 14 are sequentially increased, the first positioning rod, the second positioning rod and the third positioning rod are all fixedly connected with a positioning rotating shaft, a positioning block 18 which is opposite to one positioning rod along the Y-axis direction is fixedly arranged on the supporting plate, and the positioning rotating shaft is rotated to replace the positioning rod which is opposite to the positioning block. When the axis of the boring cutter blade rod coincides with the central axis of the long hole to be processed, the second positioning rod is propped against the positioning block, the circle center distance of the circular arcs at the two ends of the long hole to be processed is equal to the length difference between the third positioning rod and the first positioning rod, and the length difference between the third positioning rod and the second positioning rod is equal to the length difference between the second positioning rod and the first positioning rod.

For the convenience of adjusting length, satisfy the processing requirement of different length slot holes, the first locating lever, second locating lever and the third locating lever of this embodiment all are connected with the location pivot through the screw, through rotating first locating lever, second locating lever and third locating lever, can adjust the locating lever and extend the length of location pivot. And limiting nuts attached to the end faces of the positioning rotating shafts are respectively arranged on the first positioning rod, the second positioning rod and the third positioning rod so as to prevent the length of the positioning rod extending out of the positioning rotating shafts from being reduced when the workbench moves.

The workbench is provided with two limiting plates 1 which extend upwards and are respectively positioned at two sides of the workpiece, and two live-pressing bolts 2 which are respectively positioned between the workpiece and the limiting plates, the live-pressing bolts 2 are sleeved with pressing plates 11 positioned at the tops of the limiting plates, and pressing nuts which are in threaded connection with the live-pressing bolts are arranged above the pressing plates 11.

A vertically arranged positioning vertical plate 12 is further fixedly connected to the workbench, and the positioning vertical plate 12 is located on one side, away from the boring cutter, of the workpiece 3.

In order to improve the convenience of operation, the present embodiment is provided with a handle 5 fixed on the workbench on the side where the operator is located, and the positioning device is located on the side of the workbench facing the lathe spindle.

In order to fix the workbench conveniently, the boring machine tool of the embodiment further comprises a locking block 6 fixedly connected with the workbench and a locking screw rod which penetrates through the locking block and the workbench downwards and pushes the locking screw rod to the base, the locking screw rod is in threaded connection with the locking block, and a force application rod is fixedly arranged at the upper end of the locking screw rod.

In the following, two long holes 53 × 66mm on the rack socket are machined, so as to describe the use of the boring machine of the present embodiment, where the long hole close to the operator is the first long hole, the long hole far away from the operator is the second long hole, the positioning device with the longer overall length is the first set of positioning devices, and the positioning device with the shorter overall length is the second set of positioning devices, specifically as follows:

vertically placing the rack socket to enable two side plates to serve as supports, enabling the bottom surfaces of the side plates to serve as positioning surfaces and be tightly attached to a workbench, enabling a boss on the rack socket to prop against a positioning vertical plate 12, rotating a pressing plate 11 to be above the rack socket to enable two ends of the pressing plate to be respectively supported on the rack socket and the top surfaces of the limiting plates 1, screwing a pressing nut, and pressing the pressing plate to complete fixing of the rack socket;

then moving the supporting plate and the workbench to align the center of a cutter bar of the boring cutter with the center of a first long hole to be processed of the tooth rail-inserting seat, locking the workbench through a locking screw rod, and rotationally adjusting a positioning rotating shaft in a second group of positioning devices to enable one end, far away from the positioning rotating shaft, of a second positioning rod in the second group of positioning devices to be jacked to a positioning block;

moving the supporting plate towards the side where the boring cutter is located, boring into a phi 53 round hole, moving the supporting plate reversely to enable the cutter bar to withdraw, and loosening the locking screw;

pushing the workbench, adjusting a positioning rotating shaft in a second group of positioning devices, enabling one end, far away from the positioning rotating shaft, of a first positioning rod in the second group of positioning devices to be jacked to a positioning block, aligning the center of a cutter bar with the center of an arc at one end, close to an operator, of a first long hole of a gear rail base, locking the workbench, boring a near-end arc of the first long hole, withdrawing a cutter and loosening a locking screw;

the pulling workbench adjusts the positioning rotating shaft in the second group of positioning devices, so that one end, away from the positioning rotating shaft, of a third positioning rod in the second group of positioning devices is pushed to the positioning block, the center of the cutter bar is aligned with the center of the arc, away from one end of an operator, of the first long hole of the gear-rack rail-mounting seat, the locking workbench is used for boring the arc at the far end of the first long hole, the workbench is pushed, the processing of the straight end of the long hole is completed, the cutter is withdrawn, the locking screw is loosened, and the processing of the first long hole is completed.

Pulling the workbench to align the center of the cutter bar of the boring cutter with the center of a second long hole to be processed of the gear-slotting track seat, locking the workbench through a locking screw rod, and rotationally adjusting a positioning rotating shaft in a first group of positioning devices to enable one end, far away from the positioning rotating shaft, of a second positioning rod in the first group of positioning devices to be ejected to a positioning block;

moving the supporting plate towards the side where the boring cutter is located, boring into a phi 53 round hole, moving the supporting plate reversely to enable the cutter bar to withdraw, and loosening the locking screw;

pushing the workbench, adjusting a positioning rotating shaft in the first group of positioning devices, enabling one end, far away from the positioning rotating shaft, of a first positioning rod in the first group of positioning devices to be jacked to a positioning block, aligning the center of a cutter bar with the center of an arc at one end, close to an operator, of a second long hole of the gear-slotting rail seat, locking the workbench, boring a near-end arc of the second long hole, retracting a cutter, and loosening a locking screw;

pulling the workbench, adjusting the positioning rotating shaft in the first group of positioning devices, enabling one end, away from the positioning rotating shaft, of a third positioning rod in the first group of positioning devices to be pushed to the positioning block, aligning the center of the cutter bar with the center of the arc of one end, away from an operator, of the second long hole of the gear-slotting track seat, locking the workbench, boring out the arc of the far end of the second long hole, pushing the workbench, finishing the processing of the straight end of the long hole, retracting the cutter, and finishing the processing of the second long hole.

In the processing process of the two long holes, the relative height of the workbench and the boring cutter is kept unchanged, and the length of the long holes is controlled by the positioning rods of the positioning devices, so that the dimensional accuracy and the relative position accuracy of the two long holes are ensured.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims (8)

1. The special boring machine based on the lathe comprises a supporting plate (8) moving along the X-axis direction of the lathe and a base (16) fixedly arranged on the supporting plate, and is characterized in that: a boring cutter (10) is installed in an inner hole of a lathe spindle, a workbench (9) moving along the Y-axis direction is arranged on a base (16) in a sliding mode, a workpiece pressing device is arranged at the top of the workbench, a connecting lug seat (17) is fixedly arranged on the front end face or the rear end face of the workbench along the X-axis direction, a positioning rotating shaft (4) extending along the Y-axis direction is connected onto the connecting lug seat in a shaft coupling mode, and at least one group of positioning devices is arranged at one end of the positioning rotating shaft;

each group of positioning devices comprises a first positioning rod, a second positioning rod and a third positioning rod which are distributed along the circumferential direction and extend along the Y-axis direction, the lengths of the first positioning rod (15), the second positioning rod (13) and the third positioning rod (14) are sequentially increased, the first positioning rod, the second positioning rod and the third positioning rod are fixedly connected with a positioning rotating shaft, and a positioning block (18) which is opposite to one positioning rod in the Y-axis direction is fixedly arranged on the supporting plate.

2. The special lathe-based boring machine tool according to claim 1, wherein: the first positioning rod, the second positioning rod and the third positioning rod are all connected with the positioning rotating shaft through threads.

3. The special lathe-based boring machine tool according to claim 2, wherein: and limiting nuts attached to the end faces of the positioning rotating shafts are arranged on the first positioning rod, the second positioning rod and the third positioning rod respectively.

4. The special lathe-based boring machine tool according to claim 1, wherein: the workbench is provided with two limiting plates (1) which extend upwards and are respectively positioned at two sides of the workpiece, and two live pressing bolts (2) which are respectively positioned between the workpiece and the limiting plates, the live pressing bolts (2) are sleeved with pressing plates (11) positioned at the tops of the limiting plates, and pressing nuts which are in threaded connection with the live pressing bolts are arranged above the pressing plates (11).

5. The special lathe-based boring machine tool according to claim 4, wherein: a vertically arranged positioning vertical plate (12) is further fixedly connected to the workbench, and the positioning vertical plate (12) is located on one side, away from the boring cutter, of the workpiece (3).

6. The special lathe-based boring machine tool according to claim 1, wherein: and a handle (5) positioned at the side of the operator is fixedly arranged on the workbench.

7. The special lathe-based boring machine tool according to claim 1, wherein: the positioning device is positioned on one side of the workbench facing the lathe spindle.

8. The special lathe-based boring machine tool according to claim 1, wherein: the clamping device is characterized by further comprising a locking block (6) fixedly connected with the workbench and a locking screw rod penetrating through the locking block and the workbench and propping the locking screw rod to the base, wherein the locking screw rod is in threaded connection with the locking block.

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