CN216575878U

CN216575878U - Hard alloy reamer for machining and drilling bearing block

Info

Publication number: CN216575878U
Application number: CN202122823032.XU
Authority: CN
Inventors: 李伟伟
Original assignee: Shandong Donghao Machinery Technology Co ltd
Current assignee: Shandong Donghao Machinery Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-24
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a hard alloy reamer for machining and drilling a bearing seat, which comprises a connecting seat and a cutter head, wherein two first sliding grooves are symmetrically formed in the upper surface of the connecting seat, first sliding blocks are connected in the two first sliding grooves in a sliding manner, the connecting seat is connected with two threaded rods in a penetrating and rotating manner through a bearing, one end of each threaded rod penetrates and extends into the corresponding first sliding groove, the other end of each threaded rod penetrates and extends to the outside of the connecting seat, one section of each threaded rod, which is positioned in the corresponding first sliding groove, is provided with threads and is in threaded connection with the corresponding first sliding block, the rest part of each threaded rod is of a smooth structure, a rotating block is glued at one end, which is positioned outside the connecting seat, of each threaded rod, and two clamping blocks are welded on the lower surface of the cutter head. When the tool bit needs to be replaced and maintained, the tool bit is more convenient to detach and mount, and the position of the tool bit can be rapidly adjusted without detaching the tool bit after the tool bit is mounted, so that the tool bit is more convenient to use.

Description

Hard alloy reamer for machining and drilling bearing block

Technical Field

The utility model relates to the technical field of bearing seat machining, in particular to a hard alloy reamer for machining and drilling a bearing seat.

Background

The bearing is one of the common machine parts in our life, and the bearing frame is one of the accessories of bearing, and the bearing frame is a pedestal that is used for fixed bearing, and the bearing frame in the course of working, needs to carry out the drilling operation step to in the later stage use, bolted connection between bearing and the bearing frame, when drilling, still need use the carbide reamer to cut the inner wall of drilling, thereby improve the precision in hole, guarantee that the hole inner wall is smooth.

Among the prior art, current carbide reamer generally is integrated mechanism, often is the snap-on in the blade holder, when the tool bit appears damaging and needs to be changed or maintain, then need demolish whole pedestal for the dismantlement and the installation of tool bit are extremely inconvenient, and simultaneously, the tool bit is after installing well, and its position can't be adjusted as required, needs adjusting position then must tear down the repacking, uses extremely loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a hard alloy reamer for machining and drilling a bearing seat.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a hard alloy reamer for machining and drilling a bearing seat comprises a connecting seat and a cutter head, wherein two first sliding grooves are symmetrically formed in the upper surface of the connecting seat, first sliding blocks are connected into the two first sliding grooves in a sliding mode, the connecting seat is connected with two threaded rods in a penetrating and rotating mode through a bearing, one ends of the threaded rods extend into the corresponding first sliding grooves in a penetrating mode, the other ends of the threaded rods extend to the outside of the connecting seat in a penetrating mode, one sections, located in the first sliding grooves, of the threaded rods are provided with threads and are connected with the corresponding first sliding blocks in a threaded mode, the rest portions of the threaded rods are of smooth structures, a rotating block is glued at one end, located outside the connecting seat, of each threaded rod, two clamping blocks are welded to the lower surface of the cutter head, clamping grooves are formed in the side wall, opposite to one sides of the two first sliding blocks, a cavity is formed in the connecting seat, and the two threaded rods extend into the cavity in a penetrating mode, one end of the threaded rod, which is positioned in the cavity, is in interference fit with a first gear.

Preferably, a rectangular hole is formed in the connecting seat, a sliding plate is connected in the rectangular hole in a sliding manner, a mounting plate is welded on the sliding plate in a protruding manner, the mounting plate and the connecting seat penetrate through the sliding connection and extend into the cavity, one end, located in the cavity, of the mounting plate penetrates through a bearing to be connected with a rotating rod in a rotating manner, the two ends of the rotating rod are in interference fit with a second gear, the second gear is meshed with a corresponding first gear, and two opposite side walls of the sliding plate are glued with a first operating block.

Preferably, two second sliding grooves are formed in the top wall of the rectangular hole, a second sliding block is connected in the second sliding grooves in a sliding mode, the lower surface of the second sliding block is welded to the upper surface of the sliding plate, pin grooves are formed in the side walls of the two opposite sides of the second sliding block, the connecting seat is connected with two sliding columns in a penetrating and sliding mode, the sliding columns penetrate and extend to the corresponding second sliding grooves, a second operation block is glued to one end, located outside the connecting seat, of each sliding column, and a spring is fixedly connected between each second operation block and the connecting seat.

Preferably, the first operation block and the second operation block are made of rubber materials, and anti-skid lines are carved on the outer wall of the first operation block and the second operation block.

Preferably, the lead angle of the threaded rod is smaller than the equivalent friction angle of the threaded rod and the corresponding first slide block forming a screw pair.

Preferably, the rotating block is an inner hexagon bolt, and the cross section of the clamping block is L-shaped.

Preferably, the outer wall of the threaded rod is coated with an antirust coating.

Compared with the prior art, the utility model has the advantages that:

1. through the arrangement of the two threaded rods, the first sliding blocks and the clamping blocks, when the tool bit needs to be installed and disassembled, only the two rotating blocks need to be rotated towards opposite directions, so that the two first sliding blocks move oppositely or paradoxically, the clamping blocks are clamped into the clamping grooves or separated from the clamping grooves, and the tool bit can be disassembled and installed, and the tool bit is convenient and fast to disassemble and install when needing to be replaced and maintained;

2. after the installation is accomplished, when needing to adjust the tool bit position, need not dismantle and heavily adorn, only need operate first operation piece for two first gears and the meshing of second gear, a turning block of operation this moment rotates, can make two first sliders move left or right simultaneously, thereby can adjust the tool bit position when not removing fixed to the tool bit, thereby need tear the loaded down with trivial details operation of heavily adorning apart when avoiding prior art relocation.

Drawings

Fig. 1 is a schematic structural view of a hard alloy reamer for machining and drilling a bearing seat according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view of FIG. 1 at B;

fig. 4 is a cross-sectional view taken at C-C in fig. 1.

In the figure: the tool comprises a connecting seat 1, a tool bit 2, a clamping block 3, a first sliding groove 4, a first sliding block 5, a threaded rod 6, a rotating block 7, a clamping groove 8, a cavity 9, a first gear 10, a rectangular hole 11, a sliding plate 12, a mounting plate 13, a rotating rod 14, a second gear 15, a first operating block 16, a second sliding groove 17, a second sliding block 18, a pin groove 19, a sliding column 20, a second operating block 21 and a spring 22.

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.

Referring to fig. 1-4, a hard alloy reamer for machining and drilling a bearing seat comprises a connecting seat 1 and a cutter head 2, wherein two first sliding grooves 4 are symmetrically formed in the upper surface of the connecting seat 1, first sliding blocks 5 are respectively and slidably connected in the two first sliding grooves 4, the connecting seat 1 is rotatably connected with two threaded rods 6 through a bearing in a penetrating manner, the thread turning directions of the two threaded rods 6 are consistent, when the two threaded rods 6 rotate in opposite directions, the two first sliding blocks 5 can move oppositely or reversely, one end of each threaded rod 6 penetrates and extends into the corresponding first sliding groove 4, the other end of each threaded rod 6 penetrates and extends to the outside of the connecting seat 1, one section of each threaded rod 6, which is positioned in the corresponding first sliding groove 4, is provided with threads and is in threaded connection with the corresponding first sliding block 5, the rest parts are smooth structures, a rotating block 7 is glued at one end of each threaded rod 6, which is positioned outside the connecting seat 1, two clamping blocks 3 are welded on the lower surface of the cutter head 2, the joint groove 8 has all been seted up to the lateral wall of the relative one side of two first sliders 5, has seted up cavity 9 in the connecting seat 1, and two threaded rods 6 all run through and extend to in cavity 9, and threaded rod 6 is located the one end interference fit in cavity 9 has first gear 10.

Rectangular hole 11 has been seted up in connecting seat 1, sliding connection has sliding plate 12 in rectangular hole 11, sliding plate 12 goes up the welding and has mounting panel 13, mounting panel 13 runs through sliding connection and extends to in the cavity 9 with connecting seat 1, the one end that mounting panel 13 is located cavity 9 runs through the bearing and rotates and be connected with dwang 14, the equal interference fit in dwang 14 both ends has second gear 15, second gear 15 with correspond the meshing of first gear 10, two relative lateral walls of sliding plate 12 all glue and have first operation piece 16.

Two second sliding chutes 17 have been seted up to the roof in the rectangular hole 11, sliding connection has second slider 18 in second sliding chute 17, surface welding on second slider 18 lower surface and sliding plate 12, cotter way 19 has all been seted up to the lateral wall on one side that two second sliders 18 are mutually contradictory, connecting seat 1 runs through sliding connection has two travelers 20, travelers 20 run through and extend to in the second sliding chute 17 that corresponds, traveler 20 is located the outside one end veneer of connecting seat 1 and has second operation piece 21, fixedly connected with spring 22 between second operation piece 21 and the connecting seat 1.

First operation piece 16 and second operation piece 21 are the rubber material, and the outer wall sculpture has anti-skidding line, and the operation of rubber material is felt more comfortablely, and anti-skidding line can prevent to appear the phenomenon of skidding when operation first operation piece 16 and second operation piece 21 simultaneously.

The lead angle of the thread of the threaded rod 6 is smaller than the equivalent friction angle of the screw pair formed by the threaded rod 6 and the corresponding first sliding block 5, so that the self-locking of the threaded connection between the threaded rod 6 and the first sliding block 5 is realized, and the shaking of the threaded connection part is avoided to influence the fixation stability of the tool bit 2.

The turning block 7 is hexagon socket head cap screw, and convenient the operating through hexagon socket head cap wrench, can confirm the concrete shape and the size of turning block 7 according to the instrument of often using in the workshop, and thus convenient operation, the cross-section of joint piece 3 is L shape, and in the horizontal segment card access draw-in groove 8 of the joint piece 3 of L shape, can accomplish fixedly convenient and fast.

The outer wall of the threaded rod 6 is coated with an anti-rust coating, and the threaded rod 6 needs to be exposed outside for a long time to work, so that the outer wall needs to be coated with the anti-rust coating to prevent the reamer from rusting, and the service life of the reamer is ensured.

According to the utility model, when the tool bit 2 needs to be installed, the tool bit 2 is placed at the center of the connecting seat 1, the two rotating blocks 7 are rotated reversely at the moment, so that the two threaded rods 6 rotate in opposite directions, the two first sliding blocks 5 move oppositely through threaded connection, so that the two clamping blocks 3 are clamped into the corresponding clamping grooves 8 at the same time, and the installation of the tool bit 2 is completed at the moment;

after the installation is finished, if the position of the cutter head 2 needs to be adjusted, the first operation block 16 is pushed at the moment, so that the sliding plate 12 slides towards the cavity 9, the installation plate 13 is driven to slide towards the direction of the first gear 10, the two second gears 15 are meshed with the corresponding first gears 10, meanwhile, the second sliding block 18 moves along with the sliding plate 12, the pin groove 19 moves to be opposite to the sliding column 20, the sliding column 20 slides into the pin groove 19 under the elastic force of the spring 22, the positions of the sliding plate 12 and the installation plate 13 are fixed, the meshed state of the first gear 10 and the second gear 15 is kept, the rotating block 7 on one side of operation rotates at the moment, one of the first gears 10 is meshed with the second gear 15, the other first gear 10 is driven to rotate, so that the two threaded rods 6 rotate towards the same direction, and the two first sliding blocks 5 can move towards the same direction through threaded connection, the position of the cutter head 2 can be adjusted without disassembling the cutter head 2, and after the adjustment is finished, the second operation block 21 is pulled to reset the sliding plate 12, so that the meshing of the first gear 10 and the second gear 15 is released;

when tool bit 2 was dismantled to needs, only need rotate two turning blocks 7 towards opposite direction once more for two first sliders 5 move mutually against, thereby make 3 roll-off draw-in grooves 8 of two joint pieces, can dismantle tool bit 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. The hard alloy reamer for machining and drilling the bearing seat comprises a connecting seat (1) and a cutter head (2), and is characterized in that two first sliding grooves (4) are symmetrically formed in the upper surface of the connecting seat (1), two first sliding blocks (5) are slidably connected in the first sliding grooves (4), the connecting seat (1) is rotatably connected with two threaded rods (6) through bearings in a penetrating manner, one end of each threaded rod (6) extends into the corresponding first sliding groove (4) in a penetrating manner, the other end of each threaded rod extends to the outside of the connecting seat (1), one section of each threaded rod (6) located in each first sliding groove (4) is provided with threads and is in threaded connection with the corresponding first sliding block (5), the rest parts are smooth structures, one end of each threaded rod (6) located outside the connecting seat (1) is glued with a rotating block (7), and two clamping blocks (3) are welded on the lower surface of the cutter head (2), two joint groove (8) have all been seted up to the lateral wall of the relative one side of first slider (5), seted up cavity (9) in connecting seat (1), two threaded rod (6) all run through and extend to in cavity (9), threaded rod (6) are located the one end interference fit in cavity (9) and have first gear (10).

2. The hard alloy reamer for machining and drilling the bearing block according to claim 1, wherein a rectangular hole (11) is formed in the connecting seat (1), a sliding plate (12) is slidably connected in the rectangular hole (11), a mounting plate (13) is welded on the sliding plate (12), the mounting plate (13) is slidably connected with the connecting seat (1) in a penetrating manner and extends into the cavity (9), a rotating rod (14) is rotatably connected to one end, located in the cavity (9), of the mounting plate (13) through a bearing in a penetrating manner, second gears (15) are in interference fit with two ends of the rotating rod (14), the second gears (15) are meshed with the corresponding first gears (10), and first operating blocks (16) are glued to two opposite side walls of the sliding plate (12).

3. The hard alloy reamer for machining and drilling the bearing block according to claim 2, wherein two second sliding grooves (17) are formed in the inner top wall of the rectangular hole (11), a second sliding block (18) is slidably connected in the second sliding grooves (17), the lower surface of the second sliding block (18) is welded to the upper surface of the sliding plate (12), pin grooves (19) are formed in the side walls of the two opposite sides of the second sliding blocks (18), two sliding columns (20) are slidably connected through the connecting block (1), the sliding columns (20) extend through the corresponding second sliding grooves (17), a second operating block (21) is glued to one end, located outside the connecting block (1), of each sliding column (20), and a spring (22) is fixedly connected between each second operating block (21) and the connecting block (1).

4. The hard alloy reamer for machining and drilling the bearing block according to claim 3, wherein the first operating block (16) and the second operating block (21) are both made of rubber, and the outer wall of the first operating block and the outer wall of the second operating block are engraved with anti-skid lines.

5. The cemented carbide reamer for machining and drilling bearing blocks according to claim 1, wherein the lead angle of the threaded rod (6) is smaller than the equivalent friction angle of the screw pair formed by the threaded rod (6) and the corresponding first sliding block (5).

6. The hard alloy reamer for machining and drilling the bearing seat according to claim 1, wherein the rotating block (7) is a hexagon socket head cap screw, and the cross section of the clamping block (3) is L-shaped.

7. The hard alloy reamer for machining and drilling the bearing block as claimed in claim 2, wherein the outer wall of the threaded rod (6) is coated with an anti-rust coating.