CN210789412U

CN210789412U - Variable-speed starting type milling machine

Info

Publication number: CN210789412U
Application number: CN201921678956.1U
Authority: CN
Inventors: 樊治涛; 王�华
Original assignee: Guangji Taicang Precision Mold Co ltd
Current assignee: Guangji Taicang Precision Mold Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-19
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a variable speed start-up formula milling machine, including the main support, main support lower extreme fixedly connected with base, main support upper end slidable mounting has the milling cutter mounting bracket, milling cutter mounting bracket lower extreme fixed mounting has milling cutter fixed establishment, main support upper end one side is through branch fixedly connected with controller. The utility model relates to a milling machine, in particular to variable speed start-up formula milling machine belongs to machining equipment technical field. The utility model arranges the cylinder component at the lower end of the supporting platform, and the cylinder component supports the supporting platform with proper force, thereby preventing the supporting platform from being bent when the blank material is too heavy; the utility model discloses a be connected with the converter before the motor, just can not take place the striking because of inputing too big in the twinkling of an eye between the gearbox gear, can not produce the abnormal sound, the lathe also can not produce vibrations, the gearbox also can increase life to improve the stability of lathe, the durability.

Description

Variable-speed starting type milling machine

Technical Field

The utility model relates to a milling machine, in particular to variable speed start-up formula milling machine belongs to machining equipment technical field.

Background

The milling machine is a machine tool which is commonly used for processing blank or other processing, and is characterized by strong cutting force, large feeding quantity and capability of quickly processing and forming products, compared with a processing center, the milling machine has low requirements on the lifting of the rotating speed and the processing precision, so that the common milling machine has only a plurality of gears and needs manual gear shifting, the rotating speed is fixed and unchanged after the gears are adjusted, the design can increase the stability of the machine tool and the durability of the machine, the main shaft of the machine tool inputs power into a gear box by a main motor, the gear box outputs the power to drive the main shaft to rotate, the main motor is in a fixed frequency mode, the highest rotating speed can be reached at the moment of electrifying, the gear box of the machine tool is in gear transmission, and the time is required from static to set speed.

Because the motor directly rotates with the highest speed among the current milling machine, make the milling machine vibrations easily, each part vibrations are not hard up, and the gearbox appears damaging easily, and current milling machine makes the board appear the phenomenon of buckling easily when processing overweight blank simultaneously, and is not good to the support effect of hair blank, and the precision is not high when current milling machine processes hair blank.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable speed start-up formula milling machine to the current milling machine gearbox that provides among the above-mentioned background art appears damaging easily, the not high problem of precision when processing overweight blank material and bending board easily and processing blank.

In order to achieve the above object, the utility model provides a following technical scheme: a variable-speed starting type milling machine comprises a main support, wherein the lower end of the main support is fixedly connected with a base, a milling cutter mounting frame is slidably mounted at the upper end of the main support, a milling cutter fixing mechanism is fixedly mounted at the lower end of the milling cutter mounting frame, one side of the upper end of the main support is fixedly connected with a controller through a support rod, a support table arranged at the lower end of the milling cutter mounting frame is fixedly connected at the middle part of the side end of the main support, a front displacement table top and a rear displacement table top are slidably mounted at the upper end of the support table, a blank fixing table is slidably mounted at the upper end of the front displacement table top and the rear displacement table top, a cylinder assembly is fixedly mounted below one end of the support table, which is far away from the main support, the output end of, the cylinder main part side has been seted up the business turn over gas pocket, main support side fixed mounting has the converter, milling cutter fixed establishment upper end is equipped with rather than the gearbox of rotating the connection, gearbox fixed mounting is inside the milling cutter mounting bracket, the gearbox upper end is rotated and is installed the motor, just the converter is connected with the motor.

As a preferred technical scheme of the utility model, main support top side is equipped with the slide with milling cutter mounting bracket sliding connection, main support upper end fixed mounting has a servo motor, and just a servo motor lower extreme rotates and installs the lead screw, and the lead screw rotates with the milling cutter mounting bracket to be connected.

As a preferred technical scheme of the utility model, a supporting bench end fixed mounting has second servo motor, and the second servo motor output rotates and installs the lead screw of setting in a supporting bench upper end, and the lead screw rotates with front and back displacement mesa to be connected, front and back displacement mesa one end is rotated and is installed third servo motor, and the third servo motor output rotates and installs the lead screw that sets up in front and back displacement mesa upper end, and the lead screw rotates with blank material fixed station and is connected.

As an optimal technical scheme of the utility model, the moving direction of blank material fixed station and front and back displacement mesa is mutually perpendicular.

As an optimized technical scheme of the utility model, the barometer is connected with cylinder main part inner space.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model arranges the cylinder component at the lower end of the supporting platform, and the cylinder component supports the supporting platform with proper force, thereby preventing the supporting platform from being bent when the blank material is too heavy;

the utility model has the advantages that the servo motor drives the blank fixing table and the front and back displacement table boards to displace, the moving precision is high, and the finish machining is convenient;

the utility model discloses a be connected with the converter before the motor, just can not take place the striking because of inputing too big in the twinkling of an eye between the gearbox gear, can not produce the abnormal sound, the lathe also can not produce vibrations, the gearbox also can increase life to improve the stability of lathe, the durability.

Drawings

Fig. 1 is a schematic structural view of a first viewing angle of the present invention;

fig. 2 is a schematic structural view of a second viewing angle of the present invention;

fig. 3 is a schematic structural diagram of the cylinder assembly of the present invention.

In the figure: 1. a strut; 2. a first servo motor; 3. a milling cutter mounting frame; 4. a controller; 5. a blank material fixing table; 6. a second servo motor; 7. a support table; 8. a cylinder assembly; 801. a cylinder main body; 802. A barometer; 803. air inlet and outlet holes; 804. a telescopic rod; 805. a support plate; 9. a base; 10. a frequency converter; 11. a main support; 12. a milling cutter fixing mechanism; 13. a third servo motor; 14. the table top is moved back and forth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a variable-speed starting type milling machine, which comprises a main support 11, a base 9 is fixedly connected with the lower end of the main support 11, a milling cutter mounting rack 3 is slidably mounted on the upper end of the main support 11, a milling cutter fixing mechanism 12 is fixedly mounted on the lower end of the milling cutter mounting rack 3, a milling cutter rotating and fixing mechanism is arranged on the side end of the milling cutter fixing mechanism 12, a support table 7 arranged on the lower end of the milling cutter mounting rack 3 is fixedly connected with the middle part of the side end of the main support 11, a front and rear displacement table top 14 is slidably mounted on the upper end of the support table 7, a blank fixing table 5 is slidably mounted on the upper end of the front and rear displacement table top 14, a cylinder assembly 8 is fixedly mounted below the end of the support table 7, which is far away from the, telescopic link 804 lower extreme fixedly connected with and base 9 fixed connection's backup pad 805, cylinder main part 801 side fixed mounting has barometer 802, business turn over gas pocket 803 has been seted up to cylinder main part 801 side, 11 side fixed mounting of main support has converter 10, milling cutter fixed establishment 12 upper end is equipped with rather than the gearbox of being connected of rotating, gearbox fixed mounting is inside milling cutter mounting bracket 3, the motor is installed in the rotation of gearbox upper end, and converter 10 is connected with the motor, 1 fixedly connected with controller 4 is passed through branch on one side of the main support 11 upper end, controller 4 is connected with 3 inside motors, and converter 10 is connected between controller 4 and motor.

The upper side end of a main support 11 is provided with a slide way which is connected with a milling cutter mounting frame 3 in a sliding way, the upper end of the main support 11 is fixedly provided with a first servo motor 2, the lower end of the first servo motor 2 is rotatably provided with a screw rod which is rotatably connected with the milling cutter mounting frame 3, the end of a support table 7 is fixedly provided with a second servo motor 6, the output end of the second servo motor 6 is rotatably provided with a screw rod which is arranged at the upper end of the support table 7, the screw rod is rotatably connected with a front displacement table 14 and a rear displacement table 14, one end of the front displacement table 14 and the rear displacement table 14 is rotatably provided with a third servo motor 13, the output end of the third servo motor 13 is rotatably provided with a screw rod which is arranged at the upper end of the front displacement table 14 and the rear displacement table 14, the, the processing precision is improved by applying the method to a milling machine.

The moving directions of the blank fixing platform 5 and the front and rear displacement platforms 14 are vertical to each other, so that the blanks can be driven to displace on a plane in multiple angles.

The barometer 802 is connected with the inner space of the cylinder body 801, and the barometer 802 is arranged on one side of one end of the cylinder body 801 departing from the telescopic rod 804 and used for detecting the inner pressure of one end of the cylinder body 801 departing from the telescopic rod 804.

The specific working principle of the present invention will be explained in detail below: when in use, the milling cutter fixing mechanism 12 clamps the milling cutter, the milling cutter is fixed by the fixing mechanism at the side end, meanwhile, a blank material to be processed is fixed at the upper end of the blank material fixing table 5, the controller 4 controls the second servo motor 6 to drive the front and back displacement of the front and back displacement table-board 14, the third servo motor 13 is controlled to drive the left and right displacement of the blank material fixing table 5, the blank material fixing table 5 and the front and back displacement table-board 14 can drive the blank material to move on each angle on the horizontal plane, the milling cutter at the lower end of the milling cutter mounting frame 3 is driven by the first servo motor 2 to grind the blank material, two cylinder assemblies 8 are arranged at the lower end of the supporting table 7, the cylinder assemblies 8 play a supporting role on the supporting table 7, the output end of the cylinder assemblies 8 faces downwards, and is connected with the gas control mechanism through the gas inlet and outlet 803 for controlling the expansion amount of the, the air pressure in the cylinder body 801 is set to be a K value, the stable value of K is between K1 and K2, when the numerical value of the barometer 802 is smaller than K1, the telescopic rod 804 needs to be controlled to stretch outwards through the air inlet and outlet 803 to increase the internal pressure of the cylinder body 801, so that the telescopic rod 804 is supported more strongly, when the numerical value of the barometer 802 is larger than K2, the telescopic rod 804 needs to be controlled to shrink inwards through the air inlet and outlet 803 to release the internal pressure of the cylinder body 801, so that the cylinder assembly 8 supports the support table 7 with proper force to prevent the support table 7 from being bent when the blank is too heavy, the frequency converter 10 is connected with a motor on the milling cutter mounting rack 3, the starting speed of the motor is matched with the starting speed of the gearbox, violent impact cannot occur on the gearbox gear at the synchronous speed, the gearbox can be smoothly accelerated without causing damage to the gearbox, and the gearbox is smoothly accelerated, the impact between the gear of the gear box and the gear can not occur because of the overlarge instantaneous input, abnormal sound can not be generated, the machine tool can not vibrate, the service life of the gear box can also be prolonged, and therefore the stability and the durability of the machine tool are improved.

To sum up, the variable speed start-up milling machine of the utility model is characterized in that the cylinder component 8 is arranged at the lower end of the support table 7, and the cylinder component 8 supports the support table 7 with proper force, so as to prevent the support table 7 from being bent when the blank material is too heavy; drive blank fixed station 5 and displacement mesa 14 around with through servo motor and carry out the displacement, the precision of removal is high, makes things convenient for the finish machining, simultaneously, through be connected with converter 10 before the motor, just can not take place the striking because of inputing too greatly in the twinkling of an eye between the gearbox gear, can not produce the abnormal sound, the lathe also can not produce vibrations, the gearbox also can increase life to improve the stability of lathe, the durability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A variable-speed starting type milling machine comprises a main support (11), wherein a base (9) is fixedly connected with the lower end of the main support (11), a milling cutter mounting frame (3) is slidably mounted at the upper end of the main support (11), a milling cutter fixing mechanism (12) is fixedly mounted at the lower end of the milling cutter mounting frame (3), a controller (4) is fixedly connected to one side of the upper end of the main support (11) through a support rod (1), a support table (7) arranged at the lower end of the milling cutter mounting frame (3) is fixedly connected to the middle of the side end of the main support (11), a front displacement table top and a rear displacement table top (14) are slidably mounted at the upper end of the support table (7), a blank fixing table (5) is slidably mounted at the upper end of the front displacement table top and the rear displacement table top (14), and is characterized in that a cylinder component (8, the air cylinder assembly (8) comprises an air cylinder main body (801), an expansion link (804) is arranged at the lower end of the air cylinder main body (801) in a telescopic mode, a supporting plate (805) fixedly connected with a base (9) is arranged at the lower end of the expansion link (804), an air pressure gauge (802) is fixedly mounted at the side end of the air cylinder main body (801), an air inlet and outlet hole (803) is formed in the side end of the air cylinder main body (801), a frequency converter (10) is fixedly mounted at the side end of a main support (11), a gearbox rotatably connected with the milling cutter fixing mechanism (12) is arranged at the upper end of the milling cutter fixing mechanism, the gearbox is fixedly mounted inside a milling cutter mounting frame (3), a motor is rotatably mounted at.

2. A variable speed start-up milling machine according to claim 1, wherein: main support (11) top side is equipped with the slide with milling cutter mounting bracket (3) sliding connection, main support (11) upper end fixed mounting has first servo motor (2), and first servo motor (2) lower extreme rotates and installs the lead screw, and the lead screw rotates with milling cutter mounting bracket (3) and is connected.

3. A variable speed start-up milling machine according to claim 1, wherein: supporting bench (7) end fixed mounting has second servo motor (6), and second servo motor (6) output rotates installs the lead screw of setting in supporting bench (7) upper end, and lead screw and front and back displacement mesa (14) rotate and be connected, displacement mesa (14) one end rotates around and installs third servo motor (13), and third servo motor (13) output rotates installs the lead screw that sets up in front and back displacement mesa (14) upper end, and the lead screw rotates with blank material fixed station (5) and is connected.

4. A variable speed start-up milling machine according to claim 1, wherein: the moving directions of the blank fixing table (5) and the front and back displacement table top (14) are vertical.

5. A variable speed start-up milling machine according to claim 1, wherein: the barometer (802) is connected with the inner space of the cylinder body (801).