CN215356351U

CN215356351U - Cam symmetrical plane cutting forming device

Info

Publication number: CN215356351U
Application number: CN202120972157.6U
Authority: CN
Inventors: 伍畅; 黄荣淑
Original assignee: Chongqing Yinjiao Brake Co ltd
Current assignee: Chongqing Yinjiao Brake Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-31
Anticipated expiration: 2031-05-08

Abstract

A cam symmetrical plane cutting and forming device comprises a frame, a left sliding table and a right sliding table which are manually controlled are arranged on a table surface of the frame, the left sliding table and the right sliding table respectively comprise a fixed seat and a sliding seat, the fixed seats are fixed on the frame, the sliding seats are in sliding fit with the fixed seats, power heads driven by motors are respectively arranged on the sliding seats of the two sliding tables, milling cutters are respectively arranged at opposite ends of the two power heads, the central axes of the two milling cutters are on the same straight line, an electric sliding table is arranged on the table surface of the frame, this electronic slip table is located between left and right slip table, and the direction of motion perpendicular to milling cutter's of electronic slip table axis, the base of electronic slip table are fixed in the frame, and electronic slip table's slide sliding fit sets up the anchor clamps that are used for a plurality of work pieces of centre gripping simultaneously on the slide on the base, and anchor clamps are controlled by the cylinder, and motor, electronic slip table, cylinder all are connected with the numerical control system electricity.

Description

Cam symmetrical plane cutting forming device

Technical Field

The utility model relates to the technical field of machining, in particular to a cutting and forming device for a symmetrical plane of a cam.

Background

The cam is used as a key accessory of the brake, plays a key role in transmitting torque and bearing load, and is used for forcing the brake component to be contacted with (or separated from) a moving component (or a moving machine) in order to enable the brake to generate (or eliminate) brake efficiency in daily life, so that the importance of the cam is highlighted. The conventional cam production process comprises the steps that a cam blank is installed in a cam special fixture tool by a worker and is locked and fixed to prevent the cam blank from rotating, the cam special fixture tool is installed on a machining workbench, production equipment is started, and the cam blank is machined by a milling cutter in a moving mode along a horizontal plane. The process for producing the cam is complex in processing procedure and low in production efficiency, and the movement interval of the processing cutter is overlapped with the manual operation interval, so that safety accidents can be caused, and certain potential safety hazards are caused.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a cam symmetrical plane cutting and forming device which is high in processing efficiency and safety, and the technical scheme of the utility model is as follows:

a cam symmetry plane cutting forming device comprises a rack, wherein a left sliding table and a right sliding table which are manually controlled are installed on a rack table board, the left sliding table and the right sliding table respectively comprise a fixed seat and a sliding seat, the fixed seats are fixed on the rack, the sliding seats are in sliding fit with the fixed seats, power heads driven by a motor are respectively installed on the sliding seats of the two sliding tables, milling cutters are installed at the opposite ends of the two power heads, the central axes of the two milling cutters are on the same straight line, an electric sliding table is arranged on the rack table board and is positioned between the left sliding table and the right sliding table, the motion direction of the electric sliding table is perpendicular to the central axes of the milling cutters, a base of the electric sliding table is fixed on the rack, a sliding seat of the electric sliding table is in sliding fit with the base, a clamp for clamping a plurality of workpieces simultaneously is arranged on the sliding seat, and the clamp is controlled by a cylinder, the motor, the electric sliding table and the air cylinder are all electrically connected with the numerical control system.

And two ends of the clamp are respectively provided with an air cylinder.

The fixture comprises a plurality of groups of clamping mechanisms, each group of clamping mechanisms comprises two three-jaw clamping mechanisms, each three-jaw clamping mechanism is provided with a pair of movable jaws and a fixed jaw, the fixed jaws are shared by the two three-jaw clamping mechanisms, two pairs of movable jaws of the two three-jaw clamping mechanisms are respectively controlled by a cylinder, and all three-jaw clamping mechanisms of the fixture are linearly arranged along the motion direction of the electric sliding table.

The motor is a three-phase asynchronous motor.

And a processing main shaft is arranged at one end of the power head, and the processing main shaft adopts a Morse taper self-locking fixed milling cutter.

The left sliding table, the right sliding table and the electric sliding table are all provided with trapezoidal threads.

The left sliding table and the right sliding table are respectively fixed on the table surface of the frame through a mounting bracket.

Adopt above-mentioned technical scheme: comprises a frame, a left sliding table and a right sliding table which are manually controlled are arranged on the table surface of the frame, the left sliding table and the right sliding table respectively comprise a fixed seat and a sliding seat, the fixed seat is fixed on the frame, the sliding seats are in sliding fit with the fixed seat, the sliding seats of the two sliding tables are respectively provided with a power head driven by a motor, the opposite ends of the two power heads are respectively provided with a milling cutter, the central axes of the two milling cutters are on the same straight line, an electric sliding table is arranged on the table-board of the frame, the electric sliding table is positioned between the left sliding table and the right sliding table, the motion direction of the electric sliding table is vertical to the central axis of the milling cutter, the base of the electric sliding table is fixed on the frame, the sliding seat of the electric sliding table is in sliding fit with the base, the clamp is controlled by the cylinder, and the motor, the electric sliding table and the cylinder are all electrically connected with the numerical control system. Before the machining starts, the position of the milling cutter is adjusted by the left sliding table and the right sliding table to enable the milling cutter to reach the appointed machining position, meanwhile, the sliding seat of the electric sliding table is located in front of a worker, the clamp is located within an arm distance in front of the worker and is not located in a movement interval of a machining cutter, the worker can safely clamp the cam, and after the cam is clamped, the numerical control system controls the electric sliding table to enable the clamp to move to a working interval of the milling cutter to cut and machine two symmetrical planes of the cam. The cam symmetrical plane cutting and forming device can simultaneously process two symmetrical planes of the cam at one time, and a plurality of cams can be processed by moving one electric sliding table back and forth, so that the processing procedure is simple, the labor intensity of workers is reduced, the production efficiency is improved, and on the other hand, the personal safety of the workers is guaranteed when the manual operation area is outside the movement interval of the processing cutter.

The anchor clamps include multiunit fixture, every group fixture includes two three-jaw fixture, two three-jaw fixtures respectively have a pair of movable jaw, a stationary dog, the stationary dog is shared for two three-jaw fixtures, two three-jaw fixture's two pairs of movable jaws are controlled by a cylinder separately, the shrink of control movable jaw with open, all three-jaw fixtures of anchor clamps are along the direction of motion linear arrangement of electronic slip table, make by all work pieces of centre gripping also be in on same straight line, a removal of electronic slip table makes a round trip can cut a plurality of work pieces.

The motor is a three-phase asynchronous motor and provides a power source for the power head.

The left sliding table and the right sliding table are respectively fixed on the table top of the frame through a mounting bracket and are mounted through the mounting bracket, and the height is convenient to adjust.

The utility model is further described with reference to the drawings and the specific embodiments in the following description.

Drawings

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

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

fig. 4 is a schematic view of the connection of the clamp and the cylinder.

Detailed Description

The utility model relates to an embodiment of a cam symmetry plane cutting forming device, which comprises the following components:

referring to fig. 1-4, a cam symmetry plane cutting forming device, includes frame 1, install manual control's left slip table, right slip table on the frame 1 mesa, left and right slip table all includes fixing base 3, sliding seat 4, fixing base 3 fixes on frame 1, and sliding seat 4 sliding fit is on fixing base 3, respectively installs a unit head 5 by motor 7 driven on the sliding seat 4 of two slip tables, motor 7 is three-phase asynchronous motor, provides the power source for unit head 5. All install processing main shaft 6 in two 5 opposite ends of unit head, processing main shaft 6 adopts the fixed milling cutter 8 of morse's tapering auto-lock, the axis of two milling cutter 8 is on a straight line, set up an electronic slip table on 1 mesa of frame, this electronic slip table is located between left and right slip table, the direction of motion perpendicular to milling cutter 8's of electronic slip table axis, electronic slip table's base 12 is fixed in frame 1, and the slide 10 sliding fit of electronic slip table is on base 12, set up the anchor clamps 9 that are used for a plurality of work pieces of centre gripping simultaneously on the slide 10, anchor clamps 9 are controlled by cylinder 11, and cylinder 11 is respectively installed at the both ends of anchor clamps 9. The clamp 9 comprises a plurality of groups of clamping mechanisms, each group of clamping mechanism comprises two three-jaw clamping mechanisms, each of the two three-jaw clamping mechanisms is provided with a pair of movable jaws 16 and a fixed jaw 15, the fixed jaw 15 is shared by the two three-jaw clamping mechanisms, two pairs of movable jaws 16 of the two three-jaw clamping mechanisms are respectively controlled by an air cylinder 11, each movable jaw 16 is fixedly provided with a guide pillar 17, the guide pillar 17 is sleeved with a slide block 18, the guide pillar 17 is also sleeved with a spring 19, one end of the spring 19 is fixedly connected with the movable jaw 16, the other end of the spring 19 is fixedly connected with the slide block 18, one end of the slide block 18 can slide on the guide pillar 17, the other end of the slide block 18 is in sliding fit with a guide groove on an air cylinder push rod 20, the slide block 18 can reciprocate along with the air cylinder push rod 20, when the air cylinder push rod 20 moves to enable the slide block 18 to compress the spring 19, the movable jaws 16 contract along with the air cylinder push rod 20 to clamp a workpiece, and when the air cylinder push rod 20 moves to enable the slide block 18 not to extrude the spring 19 any more, the movable claws 16 are opened along with the movable claws, all three-claw clamping mechanisms of the clamp 9 are linearly arranged along the motion direction of the electric sliding table, so that all the clamped workpieces are positioned on the same straight line, and one movement of the electric sliding table can cut a plurality of workpieces back and forth. In this embodiment, two sets of clamping mechanisms are arranged on the clamp 9, and the three-jaw clamping mechanisms on the same side of the two sets of clamping mechanisms are controlled by the same cylinder, that is, the same cylinder push rod. The left sliding table, the right sliding table and the electric sliding table are both provided with trapezoidal threads, the left sliding table and the right sliding table are provided with screw rod structures, and the electric sliding table is a servo sliding table and is provided with a worm structure. The left sliding table and the right sliding table are respectively fixed on the table top of the frame 1 through a mounting bracket 2 and are mounted through the mounting bracket 2, and the height is convenient to adjust. Dovetail grooves are formed in the sliding seats 4 of the left sliding table and the right sliding table and the sliding seat 10 of the electric sliding table, and corresponding wedge-shaped bosses are arranged on the fixed seats 3 of the left sliding table and the right sliding table and on the base 12 of the electric sliding table and are in sliding fit with the wedge-shaped bosses. The motor 7, the electric sliding table and the air cylinder 11 are all electrically connected with a numerical control system 13. Before the machining starts, the position of the milling cutter 8 is adjusted by the left sliding table and the right sliding table, so that the milling cutter 8 reaches an appointed machining position, meanwhile, the sliding seat 10 of the electric sliding table is positioned in front of a worker, the clamp 9 is positioned in a distance of one arm in front of the worker and is not positioned in a movement interval of a machining cutter, the worker can safely clamp the cam, and after the cam is clamped, the numerical control system controls the electric sliding table to enable the clamp 9 to move to a working interval of the milling cutter 8, so that the two symmetrical planes of the cam are machined. The cam symmetrical plane cutting and forming device can simultaneously process two symmetrical planes of the cam at one time, and a plurality of cams can be processed by moving one electric sliding table back and forth, so that the processing procedure is simple, the labor intensity of workers is reduced, the production efficiency is improved, and on the other hand, the personal safety of the workers is guaranteed when the manual operation area is outside the movement interval of the processing cutter.

When the symmetrical plane of the cam is machined by adopting the utility model, a worker manually adjusts the positions of the sliding seats 4 of the left and right sliding tables according to the technological dimension of the cam to ensure that the milling cutter 8 is positioned at the appointed machining position, then the position of the sliding seat 4 is fixed, in the embodiment, the sliding seats 4 of the left and right sliding tables are respectively provided with a threaded hole for installing a locking screw, when the position of the sliding seat 4 is required to be fixed, the locking screw is only required to be tightened to abut against the fixed seat 3, the sliding seat 10 of the electric sliding table is positioned in front of the worker before the machining is started, and the clamping mechanism on the clamp 9 is in an open state, at the moment, the worker can put a plurality of cam blanks into the clamping mechanism, then the numerical control system 13 is started, the motor 7 is synchronously started, the milling cutter 8 starts to work, the clamping mechanism clamps the cam, meanwhile, the sliding seat 10 of the electric sliding table drives the clamp 9 to move from near to far, the symmetrical plane of the cam is basically formed after passing through the working interval of the milling cutter 8, then the cam is moved from far to near, the rapid feeding is carried out for removing burrs, finally the sliding seat 10 returns to the front of a worker, the clamping mechanism is opened, and the worker takes out a processed product.

Claims

1. The utility model provides a cam symmetry plane cutting forming device, includes frame (1), its characterized in that: the manual control left sliding table and the manual control right sliding table are installed on the table top of the rack (1), the left sliding table and the right sliding table respectively comprise a fixed seat (3) and a sliding seat (4), the fixed seat (3) is fixed on the rack (1), the sliding seat (4) is in sliding fit with the fixed seat (3), power heads (5) driven by a motor (7) are respectively installed on the sliding seats (4) of the two sliding tables, milling cutters (8) are installed at one opposite ends of the two power heads (5), the central axes of the two milling cutters (8) are arranged on a straight line, an electric sliding table is arranged on the table top of the rack (1) and is positioned between the left sliding table and the right sliding table, the motion direction of the electric sliding table is perpendicular to the central axis of the milling cutters (8), the base (12) of the electric sliding table is fixed on the rack (1), and the sliding seat (10) of the electric sliding table is in sliding fit with the base (12), set up anchor clamps (9) that are used for a plurality of work pieces of centre gripping simultaneously on slide (10), anchor clamps (9) are controlled by cylinder (11), motor (7), electronic slip table, cylinder (11) all are connected with numerical control system (13) electricity.

2. The cam symmetry plane cutting and forming device of claim 1, wherein: and two ends of the clamp (9) are respectively provided with an air cylinder (11).

3. The cam symmetry plane cutting and forming device of claim 1, wherein: anchor clamps (9) include multiunit fixture, and every fixture of group includes two three-jaw fixture, and two three-jaw fixture respectively have a pair of movable jaw (16), a stationary dog (15), and stationary dog (15) share for two three-jaw fixture, and two pairs of movable jaw (16) of two three-jaw fixture are controlled by a cylinder (11) separately, and all three-jaw fixture of anchor clamps (9) are arranged along the direction of motion straight line of electronic slip table.

4. The cam symmetry plane cutting and forming device of claim 1, wherein: the motor (7) is a three-phase asynchronous motor.

5. The cam symmetry plane cutting and forming device of claim 1, wherein: and a processing main shaft (6) is installed at one end of the power head (5), and the processing main shaft (6) adopts a Morse taper self-locking fixed milling cutter (8).

6. The cam symmetry plane cutting and forming device of claim 1, wherein: the left sliding table, the right sliding table and the electric sliding table are all provided with trapezoidal threads.

7. The cam symmetry plane cutting and forming device of claim 1, wherein: the left sliding table and the right sliding table are respectively fixed on the table surface of the frame (1) through a mounting bracket (2).