CN222471559U - Workpiece overturning clamp for numerical control machine tool - Google Patents

Abstract

The utility model discloses a workpiece flipping fixture for a numerically controlled machine tool, which relates to the technical field of machine tool fixtures, and comprises a supporting frame and an operating table, wherein a supporting plate is fixed to the upper side of the front and rear ends of the supporting frame, and a bearing is installed on the inner side of the supporting plate, a rotating shaft 1 is connected through the interior of the bearing, and a connecting seat is fixed to the outer surface of the rotating shaft 1, the operating table is located at the upper end of the connecting seat, a transmission gear is sleeved on the side of the rotating shaft 1 away from the connecting seat, a protruding handle is installed on the side of the rotating shaft 1 away from the transmission gear, and a limit rack is installed on the supporting frame below the transmission gear. The workpiece flipping fixture for a numerically controlled machine tool can enable the flipping fixture to clamp and fix the workpiece in different directions through the arrangement of the supporting plate, the bearing, the rotating shaft 1, the connecting seat, the operating table, the transmission gear, the protruding handle, the limit rack, the limit slider and the limit slide groove.

Description

Workpiece overturning clamp for numerical control machine tool

Technical Field

The utility model relates to the technical field of machine tool fixtures, in particular to a workpiece overturning fixture for a numerical control machine tool.

Background

The numerical control machine tool is an automatic machine tool equipped with a program control system which can logically process a program prescribed by a control code or other symbol instruction, decode the program, input the program into a numerical control device through an information carrier, send various control signals through the numerical control device through operation processing, control the action of the machine tool, and automatically process parts according to the shape and the size required by a drawing, so that a turnover fixture is needed to fix a workpiece when the workpiece is processed.

Most of the existing overturning clamps adopt fixed angles in the using process, and the whole clamp clamps and fixes the workpiece horizontally, because the machining requirements of certain workpieces are special (inclined holes are drilled), the workpieces are required to be clamped and fixed in different directions, and the existing overturning clamps are inconvenient to clamp and fix in different directions, so that the overturning clamps have certain use limitation and cannot meet the demands of people.

Accordingly, in view of the above, research and improvement have been made on the conventional structure and the conventional defects, and a workpiece turning jig for a numerical control machine tool has been proposed.

Disclosure of utility model

The utility model aims to provide a workpiece overturning clamp for a numerical control machine tool, which aims to solve the problems in the background technology.

The workpiece overturning clamp for the numerical control machine tool comprises a supporting frame and an operating table, wherein a supporting plate is fixed on the upper side of the front end and the rear end of the supporting frame, a bearing is installed on the inner side of the supporting plate, a first rotating shaft is connected in a penetrating mode inside the bearing, a connecting seat is fixed on the outer surface of the first rotating shaft, the operating table is located at the upper end of the connecting seat, a transmission gear is sleeved on one side, away from the connecting seat, of the first rotating shaft, a protruding grab handle is installed on one side, away from the transmission gear, of the first rotating shaft, a limiting rack is installed below the supporting frame, close to the transmission gear, a limiting sliding block is fixedly connected to the middle of the bottom of the limiting rack, and a limiting sliding groove is formed below the supporting frame, close to the limiting rack.

Further, the operation table is fixedly connected with the first rotating shaft through the connecting seat, and the first rotating shaft is rotatably connected with the supporting plate through the bearing.

Further, the transmission gears are in meshed connection with the limiting racks, and the number of the transmission gears is two.

Further, the outside surface mounting of backup pad has the measuring disc, a side that is close to the measuring disc on the operation panel is fixed with the connecting block, and the front end of operation panel installs the pointer through the connecting block.

Further, the left end and the right end of the outer portion of the bearing frame are provided with outer main frames, and the left end and the right end of each outer main frame are provided with rotating shafts II.

Further, a driving motor is arranged on the left side of the outer main frame, and the output end of the driving motor is rotationally connected with the bearing frame through a second rotating shaft.

Further, the left side of operation panel upper end surface installs fixed splint, electric telescopic handle is installed on the right side of operation panel upper end surface, and movable splint is installed to electric telescopic handle's output.

The utility model provides a workpiece overturning clamp for a numerical control machine tool, which has the following beneficial effects:

1. According to the utility model, the arrangement of the support plate, the bearing, the first rotating shaft, the connecting seat, the operating platform, the transmission gear, the protruding grab handle, the limiting rack, the limiting sliding block and the limiting sliding groove can drive the rotating shaft with the protruding grab handle to rotate by using external force, and the operating platform in a horizontal state can be changed by a certain angle under the cooperation of the bearing, so that the turnover fixture can clamp and fix workpieces in different directions, and meanwhile, the transmission gear is meshed with the limiting rack to limit the position of the operating platform with the angle change, so that the turnover fixture cannot be easily changed in the use process, and the integral use stability of the turnover fixture is ensured.

2. According to the utility model, the rotating angle of the operating platform can be measured through the arrangement of the measuring disc, the connecting block and the pointer, so that the rotating angle of the operating platform can be accurately regulated and controlled, the integral use effect of the turnover clamp is improved, the outer main frame, the rotating shaft II and the driving motor are arranged to provide turnover power for the bearing frame, the automatic blanking effect is realized, and meanwhile, the workpiece can be clamped under the arrangement of the fixed clamping plate, the electric telescopic rod and the movable clamping plate, and the integral structure is simple, so that the turnover clamp is convenient for people to operate.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a workpiece overturning clamp for a numerical control machine tool;

fig. 2 is a schematic diagram of a rear view of a body of a workpiece turning fixture for a numerical control machine tool according to the present utility model;

Fig. 3 is a schematic view of a partial three-dimensional structure of a partition riser of a workpiece turning fixture for a numerical control machine tool.

In the figure, 1, a supporting frame, 2, a supporting plate, 3, a bearing, 4, a first rotating shaft, 5, a connecting seat, 6, an operating platform, 7, a transmission gear, 8, a convex grab handle, 9, a limiting rack, 10, a limiting sliding block, 11, a limiting sliding groove, 12, a measuring disc, 13, a connecting block, 14, a pointer, 15, an outer main frame, 16, a second rotating shaft, 17, a driving motor, 18, a fixed clamping plate, 19, an electric telescopic rod, 20 and a movable clamping plate.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1, fig. 2 and fig. 3, a workpiece overturning fixture for a numerical control machine tool comprises a supporting frame 1 and an operation table 6, wherein a supporting plate 2 is fixed on the upper side of the front end and the rear end of the supporting frame 1, a bearing 3 is installed on the inner side of the supporting plate 2, a rotating shaft 4 is fixedly connected in a penetrating manner to the inner side of the bearing 3, a connecting seat 5 is fixedly arranged on the outer surface of the rotating shaft 4, the operation table 6 is positioned at the upper end of the connecting seat 5, a transmission gear 7 is sleeved on one side, far away from the connecting seat 5, of the rotating shaft 4, a protruding grab handle 8 is installed on one side, far away from the transmission gear 7, of the rotating shaft 4, a limiting rack 9 is installed on the supporting frame 1, a limiting sliding block 10 is fixedly connected to the middle part, close to the lower side of the limiting rack 9, a limiting sliding groove 11 is formed in the lower side, the supporting frame 1, the operation table 6 is fixedly connected with the rotating shaft 4 through the connecting seat 3, the rotating shaft 4 is rotatably connected with the supporting plate 2 through the bearing 3, the transmission gear 7 is meshed with the limiting rack 9, the number of the transmission gear 7 is two, the supporting plate 2, the bearing 3, the rotating shaft 4, the rotating shaft 5, the connecting seat 5, the protruding grab handle 8 is installed on one side, the protruding grab handle 7 is arranged on the side, and the middle part of the limiting rack 8 can not be clamped in the limiting sliding blocks, and the limiting sliding blocks can not be arranged on the limiting slide rails, and the limiting slide 11, and the workpiece overturning fixture.

As shown in fig. 1 and 3, the measuring disc 12 is mounted on the outer surface of the supporting plate 2, a connecting block 13 is fixed on one side surface, close to the measuring disc 12, of the operating table 6, a pointer 14 is mounted on the front end of the operating table 6 through the connecting block 13, the angle of rotation of the operating table 6 can be measured by the arrangement of the measuring disc 12, the connecting block 13 and the pointer 14, the outer main frames 15 are mounted on the left and right ends of the outer portion of the supporting frame 1, the rotating shafts 16 are mounted on the left and right ends of the outer main frames 15, the driving motor 17 is mounted on the left and right sides of the outer main frames 15, the output ends of the driving motor 17 are rotatably connected with the supporting frame 1 through the rotating shafts 16, the outer main frames 15, the rotating shafts 16 and the driving motor 17 are mounted to provide turnover power for the supporting frame 1, the fixed clamping plates 18 are mounted on the left side of the upper end surface of the operating table 6, the electric telescopic rods 19 are mounted on the right side of the upper end surface of the operating table 6, the movable clamping plates 20 are mounted on the output ends of the electric telescopic rods 19, and the fixed clamping plates 18, the electric telescopic rods 19 and the movable clamping plates 20 are arranged to clamp workpieces.

Working principle: the workpiece overturning fixture for the numerical control machine tool firstly can place a workpiece to be machined on an operation table 6 according to the structures shown in fig. 1, 2 and 3 when in use, one side of the workpiece is close to a fixed clamping plate 18, then an electric telescopic rod 19 (which is a conventional electric telescopic rod in the prior art) on the operation table 6 is started, a movable clamping plate 20 driving an output end of the electric telescopic rod can change in position and approach to the other side of the workpiece, so that the workpiece is clamped, then the machine tool can machine the workpiece clamped on the operation table 6, after the workpiece is processed, a driving motor 17 (which is a conventional motor in the prior art) on an outer main frame 15 can be started, the supporting frame 1 connected with the driving motor 17 through a rotating shaft two 16 can be overturned by one hundred eighty degrees, then the electric telescopic rod 19 is started again to drive the movable clamping plate 20 to separate from the workpiece, so that the blanking work is realized, when the workpiece to be processed has special processing requirements for drilling and injecting inclined holes in the process of processing the workpiece, the horizontal operating platform 6 needs to be adjusted at a certain angle, the protruding grab handle 8 can be held by hand and rotated, the rotating shaft I4 connected with the protruding grab handle 8 can be driven to synchronously rotate under the cooperation of the bearing 3 on the supporting plate 2, the operating platform 6 connected with the rotating shaft I4 through the connecting seat 5 can also rotate in the same direction, the pointer 14 connected with the operating platform 6 through the connecting seat 13 can generate position variation on the surface of the measuring disc 12 in the rotating process, people can point to the measuring disc 12 through the pointer 14, when the rotation angle of the operation table 6 is adjusted to a proper angle, the rotation of the protruding grab handle 8 can be stopped, the transmission gear 7 on the first rotary shaft 4 is meshed with the limiting rack 9 below before suspension, and the limiting rack 9 can slide in the limiting sliding groove 11 on the supporting frame 1 due to the limiting sliding block 10 at the bottom to change the position, so that the limiting sliding block 10 can not change the position any more when the rotation of the protruding grab handle 8 is stopped, the position of the operation table 6 after the angle adjustment is limited, then a workpiece is placed on the operation table 6 after the angle adjustment, and after the workpiece is clamped and fixed, the machine tool can be started for processing the workpiece.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. The utility model provides a work piece upset anchor clamps for digit control machine tool, includes bearing frame (1) and operation panel (6), its characterized in that, the upside of bearing frame (1) front and back end is fixed with backup pad (2), and the inboard of backup pad (2) is installed bearing (3), the inside through-connection of bearing (3) has rotation axis one (4), and the outside fixed surface of rotation axis one (4) has connecting seat (5), operation panel (6) are located the upper end of connecting seat (5), one side cover that keeps away from connecting seat (5) on rotation axis one (4) is equipped with drive gear (7), one side that keeps away from drive gear (7) on rotation axis one (4) is installed protruding grab handle (8), be close to the below of drive gear (7) on bearing frame (1) and install spacing rack (9), and spacing slider (10) are fixedly connected with in the middle part of spacing rack (9) bottom, spacing spout (11) have been seted up to the below that is close to spacing rack (9) on bearing frame (1).

2. The workpiece overturning clamp for the numerical control machine tool according to claim 1, wherein the operating table (6) is fixedly connected with the first rotating shaft (4) through a connecting seat (5), and the first rotating shaft (4) is rotatably connected with the supporting plate (2) through a bearing (3).

3. The workpiece overturning clamp for the numerical control machine tool according to claim 1, wherein the transmission gears (7) are in meshed connection with the limiting racks (9), and the number of the transmission gears (7) is two.

4. The workpiece overturning clamp for the numerical control machine tool according to claim 1, wherein a measuring disc (12) is mounted on the outer surface of the supporting plate (2), a connecting block (13) is fixed on one side surface, close to the measuring disc (12), of the operating table (6), and a pointer (14) is mounted at the front end of the operating table (6) through the connecting block (13).

5. The workpiece overturning clamp for the numerical control machine tool according to claim 1, wherein an outer main frame (15) is arranged at the left end and the right end of the outer portion of the supporting frame (1), and a rotary shaft two (16) is arranged at the left end and the right end of the outer main frame (15).

6. The workpiece overturning clamp for the numerical control machine tool according to claim 5, wherein a driving motor (17) is installed on the left side of the outer main frame (15), and the output end of the driving motor (17) is rotatably connected with the bearing frame (1) through a second rotating shaft (16).

7. The workpiece overturning clamp for the numerical control machine tool according to claim 1, wherein a fixed clamping plate (18) is arranged on the left side of the upper end surface of the operating table (6), an electric telescopic rod (19) is arranged on the right side of the upper end surface of the operating table (6), and a movable clamping plate (20) is arranged at the output end of the electric telescopic rod (19).