CN215910230U

CN215910230U - Bending resistance experimental device for tungsten steel milling cutter

Info

Publication number: CN215910230U
Application number: CN202120760654.XU
Authority: CN
Inventors: 蔡慧东
Original assignee: Ruizhi Fengchi Cutting Technology Suzhou Co ltd
Current assignee: Ruizhi Fengchi Cutting Technology Suzhou Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-02-25
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses an anti-bending experimental device for a tungsten steel milling cutter, which comprises a U-shaped frame, wherein two vertical parts of the U-shaped frame are connected with a mounting plate in a lifting way, a mounting block is fixed on the mounting plate, the lower end surface of the mounting block is provided with a mounting hole, the upper end surface of the mounting block is fixed with a second servo motor, the output end of the second servo motor penetrates into the mounting hole and is connected with a rotary table, the lower end surface of the rotary table is provided with four second sliding grooves distributed in a windmill shape, a cross is fixed below the rotary table, four edges of the cross are provided with third sliding grooves along the length direction of the cross, a second sliding block is connected in the third sliding grooves in a sliding way, the top end of the second sliding block extends into the second sliding grooves, the bottom end of the second sliding block is connected with a clamping block, a bending mechanism is connected below the mounting block, and the device is simple in operation, can the milling cutter of centre gripping different specifications carry out the experiment, the adaptability is stronger.

Description

Bending resistance experimental device for tungsten steel milling cutter

Technical Field

The utility model relates to the technical field of detection of tungsten steel milling cutters, in particular to an anti-bending experimental device for a tungsten steel milling cutter.

Background

The tungsten steel milling cutter is a tool made of tungsten steel. The method is mainly used for numerical control machining centers and CNC engraving machines generally. The tungsten steel milling cutter can be also arranged on a common milling machine to process a plurality of hard and uncomplicated heat treatment materials, and the tungsten steel milling cutter is widely applied to high-speed processing, has the characteristic of difficult abrasion, and is crisp, hard and not afraid of annealing.

In the prior art, the bending resistance experiment device of the tungsten steel milling cutter can only fix milling cutters of a single specification, and cannot test milling cutters of different models, so that the bending resistance experiment device for the tungsten steel milling cutters of different specifications is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides an anti-bending experimental device for a tungsten steel milling cutter, so as to solve the problems in the background art.

The embodiment of the application discloses: an anti-bending experimental device for a tungsten steel milling cutter comprises a U-shaped frame, wherein first sliding grooves are formed in two opposite vertical portions of the U-shaped frame along the length direction of the U-shaped frame, first sliding blocks are movably connected in the first sliding grooves, screw rods are arranged in the first sliding grooves and penetrate through the first sliding blocks, a first servo motor is connected to the tops of the screw rods, a mounting plate is connected between the two first sliding blocks, a mounting block is fixed on the mounting plate, a mounting hole is formed in the lower end face of the mounting block, a second servo motor is fixed to the upper end face of the mounting block, the output end of the second servo motor penetrates into the mounting hole and is connected with a rotary table, four second sliding grooves distributed in a windmill shape are formed in the lower end face of the rotary table, a cross is arranged below the rotary table, and the end portion of the cross is fixed to the inner wall of the mounting hole, four edges of the cross are provided with third sliding grooves along the length direction of the cross, a second sliding block is connected in the third sliding grooves in a sliding mode, the top end of the second sliding block extends into the second sliding grooves, the bottom end of the second sliding block is connected with a clamping block, and a bending mechanism is connected below the mounting block.

Preferably, the mechanism of bending is including fixing support on the U-shaped frame horizontal part, the below of support is fixed with third servo motor, third servo motor's output runs through the up end of support is connected with the gear, the both sides of gear are connected with the movable rod about its central symmetry respectively through horizontal slide rail, two the relative one side of movable rod all be connected with gear engagement's rack, two the movable rod is close to the one end of gear all is connected with the horizontal pole, two through the dead lever locate same vertical plane from top to bottom the horizontal pole, and all be equipped with along its length direction's logical groove.

Preferably, the side of the second sliding block is connected with a limiting block, a limiting groove matched with the limiting block is formed in the side wall of the third sliding groove, the limiting block is connected in the limiting groove in a sliding mode, and the top end of the second sliding block is connected with a roller.

Preferably, the clamping blocks are connected with rubber pads.

The utility model has the following beneficial effects: first servo motor drive the mounting panel goes up and down to adjust the fast height of installation makes the device can test the milling cutter of different length, the drive of second servo motor the clamp splice will milling cutter presss from both sides tightly, makes the milling cutter of the different diameters of installation piece mountable, thereby makes the device can satisfy the demand of experimenting the volume to the milling cutter of different specifications.

In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a part of the structure of an anti-bending experimental device for a tungsten steel milling cutter.

Fig. 2 is a schematic view of a mounting block structure.

Fig. 3 is a schematic structural view of the bending mechanism.

Reference numerals of the above figures: 1. a U-shaped frame; 2. a first chute; 3. a first slider; 4. a screw rod; 5. a first servo motor; 6. mounting a plate; 7. mounting blocks; 8. mounting holes; 9. a second servo motor; 10. a turntable; 11. a second chute; 12. a cross; 13. a third chute; 14. a second slider; 15. a clamping block; 16. a support; 17. a third servo motor; 18. a gear; 19. a movable rod; 20. a rack; 21. a cross bar; 22. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, an anti-bending experimental device for a tungsten steel milling cutter comprises a U-shaped frame 1, wherein two opposite vertical portions of the U-shaped frame 1 are respectively provided with a first chute 2 along the length direction of the U-shaped frame, a first slide block 3 is movably connected in the first chute 2, a lead screw 4 is arranged in the first chute 2, the lead screw 4 penetrates through the first slide block 3, the top of the lead screw 4 is connected with a first servo motor 5, a mounting plate 6 is connected between the two first slide blocks 3, a mounting block 7 is fixed on the mounting plate 6, a mounting hole 8 is arranged on the lower end surface of the mounting block 7, a second servo motor 9 is fixed on the upper end surface of the mounting block 7, the output end of the second servo motor 9 penetrates into the mounting hole 8 and is connected with a rotary table 10, four second chutes 11 distributed in a windmill shape are arranged on the lower end surface of the rotary table 10, a cross 12 is arranged below the rotary table 10, the end of the cross 12 is fixed on the inner wall of the mounting hole 8, four edges of the cross 12 are respectively provided with a third sliding groove 13 along the length direction of the cross, a second sliding block 14 is connected in the third sliding groove 13 in a sliding manner, the top end of the second sliding block 14 extends into the second sliding groove 11, the bottom end of the second sliding block 14 is connected with a clamping block 15, a bending mechanism is connected below the mounting block 7, in an initial state, the top end of the second sliding block 14 is positioned at one end of the second sliding groove 11 close to the circumference of the rotary table 10, a milling cutter to be tested is inserted into the mounting hole 8, the second servo motor 9 drives the rotary table 10 to rotate clockwise, the third sliding groove 13 limits the second sliding block 14 to slide longitudinally, so that the milling cutter can only approach the center of the rotary table 10 along the third sliding groove 13, and then the second sliding block 14 drives the clamping block 15 to approach to the middle, so that the milling cutter is clamped and fixed, the first servo motor 5 drives the screw rod 4 to rotate, the screw rod 4 drives the first sliding block 3 to drive the mounting plate 6 to slide downwards, and the milling cutter is further close to the bending mechanism downwards to perform bending test.

The bending mechanism comprises a support 16 fixed on the horizontal part of the U-shaped frame 1, a third servo motor 17 is fixed below the support 16, the output end of the third servo motor 17 penetrates through the upper end face of the support 16 and is connected with a gear 18, two sides of the gear 18 are respectively connected with movable rods 19 which are symmetrical about the center of the gear through transverse sliding rails, two opposite faces of the movable rods 19 are respectively connected with racks 20 which are meshed with the gear 18, one ends of the two movable rods 19, which are close to the gear 18, are respectively connected with cross rods 21 through fixed rods, the two cross rods 21 are vertically arranged in the same vertical plane and are respectively provided with a through groove 22 along the length direction of the cross rods, the mounting block 7 drives a milling cutter to be tested to downwards, so that the milling cutter penetrates through the through grooves 22 on the two cross rods 21, and the gear 18 is driven to rotate by the third servo motor 17, the gear 18 drives the two movable rods 19 to reversely slide through the rack 20, so as to drive the two cross rods 21 to reversely pull the milling cutter, and the milling cutter is subjected to a bending resistance experiment.

The side of second slider 14 is connected with the stopper, be equipped with on the lateral wall of third spout 13 with the spacing groove that the stopper matches, stopper sliding connection be in the spacing inslot prevents second slider 14 drops at the slip in-process, the top of second slider 14 is connected with the gyro wheel, can reduce second slider 14 with friction between the second spout 11 prolongs the life of device.

The clamping block 15 is connected with a rubber pad, so that friction between the clamping block 15 and a milling cutter to be tested can be increased, and the milling cutter can be fixed more stably.

The working process of the device is as follows: inserting a milling cutter to be tested into the mounting hole 8, driving the rotary table 10 to rotate clockwise by the second servo motor 9, limiting the longitudinal sliding of the second sliding block 14 by the third sliding groove 13 to enable the second sliding block 14 to only approach to the center of the rotary table 10 along the third sliding groove 13, driving the clamping block 15 to approach to the middle by the second sliding block 14, clamping and fixing the milling cutter, driving the screw rod 4 to rotate by the first servo motor 5, driving the first sliding block 3 to drive the mounting plate 6 to slide downwards by the screw rod 4, enabling the milling cutter to approach to the bending mechanism downwards for anti-bending test, driving the mounting plate 6 to lift by the first servo motor 5, adjusting the height of the mounting block to enable the device to test milling cutters with different lengths, driving the clamping block 15 to clamp the milling cutter by the second servo motor 9, the installation block 7 can be used for installing milling cutters with different diameters, so that the device can meet the requirements of experiments on milling cutters with different specifications.

The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a tungsten steel is anti-bending experimental apparatus for milling cutter which characterized in that: the device comprises a U-shaped frame, wherein first sliding grooves along the length direction of the U-shaped frame are respectively arranged on the opposite surfaces of two vertical parts of the U-shaped frame, a first sliding block is movably connected in each first sliding groove, a lead screw is arranged in each first sliding groove and penetrates through each first sliding block, a first servo motor is connected to the top of each lead screw, a mounting plate is connected between the two first sliding blocks, a mounting block is fixed on each mounting plate, a mounting hole is formed in the lower end face of each mounting block, a second servo motor is fixed on the upper end face of each mounting block, the output end of each second servo motor penetrates into the corresponding mounting hole and is connected with a rotary table, four second sliding grooves distributed in a windmill shape are arranged on the lower end face of each rotary table, a cross is arranged below each rotary table, the end part of each cross is fixed on the inner wall of the corresponding mounting hole, and third sliding grooves along the length direction of the cross are respectively arranged on the four sides of the cross, but sliding connection has the second slider in the third spout, the top of second slider stretches into in the second spout, the bottom of second slider is connected with the clamp splice, the below of installation piece is connected with the mechanism of bending.

2. The bending resistance experiment device for the tungsten steel milling cutter according to claim 1, wherein: bending mechanism is including fixing support on the U-shaped frame horizontal part, the below of support is fixed with third servo motor, third servo motor's output runs through the up end of support is connected with the gear, the both sides of gear are connected with the movable rod about its central symmetry respectively through horizontal slide rail, two the relative one side of movable rod all be connected with gear engagement's rack, two the movable rod is close to the one end of gear all is connected with the horizontal pole, two through the dead lever locate same vertical face from top to bottom the horizontal pole in, and all be equipped with along its length direction's logical groove.

3. The bending resistance experiment device for the tungsten steel milling cutter according to claim 1, wherein: the side of second slider is connected with the stopper, be equipped with on the lateral wall of third spout with the spacing groove that the stopper matches, stopper sliding connection be in the spacing inslot, the top of second slider is connected with the gyro wheel.

4. The bending resistance experiment device for the tungsten steel milling cutter according to claim 1, wherein: the clamping blocks are connected with rubber pads.