阅读说明：本技术 一种轴瓦液压定位夹持装置 (Bearing bush hydraulic positioning clamping device ) 是由 严国敏 于 2020-12-07 设计创作，主要内容包括：本发明公开了一种轴瓦液压定位夹持装置,包括基座、滑动座、转动臂、固定台和固定座,所述基座右端固定安装有侧面挡板,所述基座上端开设有第一滑动槽,所述基座左侧上端固定安装有支撑柱,所述滑动座下端固定连接有第一滑动槽,所述滑动座内侧固定连接有第一定位导柱,所述滑动座左侧固定安装有第一合页,所述滑动座后侧固定安装有第四气缸,所述转动臂内部右侧固定安装有第六气缸,所述固定台内侧固定连接有第二伸缩杆,所述固定座右端固定安装有第一定位导柱,所述固定座上端右侧固定安装有第二U形块,所述固定座下端固定连接有基座。该轴瓦液压定位夹持装置可以自动进行定位和固定,并且无需工作人员直接进行固定,方便进行上料和下料。(The invention discloses a bearing bush hydraulic positioning and clamping device which comprises a base, a sliding seat, a rotating arm, a fixed table and a fixed seat, wherein a side baffle is fixedly arranged at the right end of the base, a first sliding groove is formed in the upper end of the base, a supporting column is fixedly arranged at the upper end of the left side of the base, the lower end of the sliding seat is fixedly connected with the first sliding groove, a first positioning guide pillar is fixedly connected to the inner side of the sliding seat, a first hinge is fixedly arranged at the left side of the sliding seat, a fourth cylinder is fixedly arranged at the rear side of the sliding seat, a sixth cylinder is fixedly arranged at the right side in the rotating arm, a second telescopic rod is fixedly connected to the inner side of the fixed table, a first positioning guide pillar is fixedly arranged at the right end of the fixed seat, a second U-shaped block. This axle bush hydraulic positioning clamping device can fix a position and fix automatically to need not the staff and directly fix, conveniently carry out material loading and unloading.)

1. The utility model provides a bearing bush hydraulic pressure location clamping device, includes base (1), sliding seat (5), rotor arm (7), fixed station (11) and fixing base (18), its characterized in that: the side baffle (2) is fixedly installed at the right end of the base (1), the first cylinder (3) is fixedly installed at the right end of the side baffle (2) through a bolt, the first telescopic rod (4) is fixedly connected to the left side of the first cylinder (3), the small motor (20) is fixedly installed at the left side of the base (1) through a bolt, the threaded rod (19) is fixedly installed at the right end of the small motor (20), the first sliding groove (22) is formed in the upper end of the base (1), the supporting column (21) is fixedly installed at the upper end of the left side of the base (1), the first sliding groove (22) is fixedly connected to the lower end of the sliding seat (5), the first positioning guide pillar (8) is fixedly connected to the inner side of the sliding seat (5), the side baffle (2) is fixedly connected to the right end of the first positioning guide pillar (8), and the first telescopic, a side baffle (2) is fixedly connected to the right side of the first telescopic rod (4), a first hinge (6) is fixedly mounted on the left side of the sliding seat (5), a fourth cylinder (28) is fixedly mounted on the rear side of the sliding seat (5), a fourth telescopic rod (27) is fixedly connected to the left side of the fourth cylinder (28), a second hinge (26) is fixedly mounted on the left side of the fourth telescopic rod (27), a third cylinder (24) is fixedly mounted on the rear side of the rotating arm (7), a third telescopic rod (25) is fixedly connected to the right side of the third cylinder (24), a second hinge (26) is fixedly mounted on the right end of the third telescopic rod (25), a first U-shaped block (9) is fixedly mounted on the lower side of the left end of the rotating arm (7), a first U-shaped pushing block (32) is fixedly connected to the lower side of the left end of the rotating arm (7), and a fifth telescopic rod (33) is fixedly connected to the right, a fifth cylinder (34) is fixedly connected to the right end of a fifth telescopic rod (33), the fifth cylinder (34) is fixedly mounted on the right side of the inner wall of the rotating arm (7), a support frame (30) is fixedly mounted on the upper side of the left end of the rotating arm (7), a pressing rod (10) is fixedly connected to the middle of the support frame (30), an anti-slip block (31) is fixedly mounted at the lower end of the pressing rod (10), a third hinge (29) is fixedly mounted at the upper end of the pressing rod (10), a sixth cylinder (36) is fixedly mounted on the right side inside the rotating arm (7), a sixth telescopic rod (35) is fixedly connected to the left side of the sixth cylinder (36), a third hinge (29) is fixedly mounted at the left end of the sixth telescopic rod (35), a second telescopic rod (13) is fixedly connected to the inner side of the fixed table (11), and a connecting block (14), the lower end of the connecting block (14) is fixedly connected with a pressing block (15) through a bolt, the upper end of the fixed table (11) is fixedly provided with a second cylinder (12), the lower end of the second cylinder (12) is fixedly connected with a second telescopic rod (13), the rear side of the fixed table (11) is fixedly connected with a second positioning guide pillar (23), the lower end of the second positioning guide pillar (23) is fixedly trained with the connecting block (14), the left side of the lower end of the fixed table (11) is fixedly provided with a support pillar (21), the right end of the fixed seat (18) is fixedly provided with a first positioning guide pillar (8), the inner side of the fixed seat (18) is fixedly connected with a threaded rod (19), the upper side of the threaded rod (19) is fixedly connected with a second U-shaped pushing block (17), a second sliding groove (37) is formed in the upper side of the fixed seat (18), and the inner side, a second U-shaped block (16) is fixedly mounted on the right side of the upper end of the fixed seat (18), and a base (1) is fixedly connected to the lower end of the fixed seat (18).

2. The bearing bush hydraulic positioning and clamping device of claim 1, wherein: the sliding seat (5) forms a sliding structure with the base (1) through the first sliding groove (22), the sliding seat (5) forms a sliding structure with the base (1) through the first positioning guide pillar (8), and the sliding seat (5) forms a sliding structure with the side baffle (2) through the first telescopic rod (4).

3. The bearing bush hydraulic positioning and clamping device of claim 1, wherein: the pressing rod (10) forms a rotating structure with the rotating arm (7) through the supporting frame (30), the pressing rod (10) forms a rotating structure with the sixth telescopic rod (35) through the third hinge (29), and the third hinge (29) forms a sliding structure with the sixth air cylinder (36) through the sixth telescopic rod (35).

4. The bearing bush hydraulic positioning and clamping device of claim 1, wherein: the connecting block (14) and the fixed platform (11) form a sliding structure through a second telescopic rod (13), the second positioning guide column (23) and the fixed platform (11) form a sliding structure through the connecting block (14), and the pressing block (15) and the second U-shaped block (16) form a sliding structure through the connecting block (14).

5. The bearing bush hydraulic positioning and clamping device of claim 1, wherein: the upper side of the right end of the second U-shaped pushing block (17) is provided with a U-shaped block, the outer diameter of the U-shaped block of the second U-shaped pushing block (17) is smaller than the inner diameter of the second U-shaped block (16), and the second U-shaped pushing block (17) and the second U-shaped block (16) form a sliding structure through a second sliding groove (37).

6. The bearing bush hydraulic positioning and clamping device of claim 1, wherein: the threaded rod (19) and the fixed seat (18) form a rotating structure through the small motor (20), the second U-shaped pushing block (17) and the fixed seat (18) form a sliding structure through the threaded rod (19), and the inner diameter of the second U-shaped block (16) is larger than the diameter of the lower end of the pressing block (15).

7. The bearing bush hydraulic positioning and clamping device of claim 1, wherein: the third telescopic rod (25) and the fourth telescopic rod (27) form a rotating structure through a second hinge (26), and the sliding seat (5) and the rotating arm (7) form a rotating structure through a first hinge (6).

8. The bearing bush hydraulic positioning and clamping device of claim 1, wherein: the second hinge (26) and the fourth cylinder (28) form a sliding structure through a fourth telescopic rod (27), and the second hinge (26) and the third cylinder (24) form a sliding structure through a third telescopic rod (25).

9. The bearing bush hydraulic positioning and clamping device of claim 1, wherein: the left side of the first U-shaped pushing block (32) is provided with a U-shaped block, the outer diameter of the U-shaped block of the first U-shaped pushing block (32) is smaller than the inner diameter of the first U-shaped block (9), and the first U-shaped pushing block (32) and a fifth cylinder (34) form a sliding structure through a fifth telescopic rod (33).

Technical Field

The invention relates to the technical field of bearing bush machining and manufacturing, in particular to a bearing bush hydraulic positioning and clamping device.

Background

The bearing bush is a part of the sliding bearing contacted with the shaft neck and is in a bush-shaped semi-cylindrical surface. The bearing bush and the shaft neck adopt clearance fit and generally do not rotate along with the shaft. The main effect of axle bush in the use is: bearing the effect force exerted by the journal, keeping the oil film stable, enabling the bearing to work smoothly and reducing the collision loss of the bearing. Therefore, the material of the bearing shell is also required to have the following characteristics: the friction coefficient is small, the fatigue strength is enough, the running performance is good, the corrosion resistance is good, and the friction material is generally made of bronze, antifriction alloy and other wear-resistant materials. In order to ensure good operation of the machine, the machining requirements on the bearing bush are extremely strict, and the precision requirement is higher, so the bearing bush belongs to the field of finish machining. When the bearing bush is machined by a fine boring machine, the fine boring machine performs cutting treatment on the bearing bush through a fine boring cutter which rotates at a high speed, the qualified rate and the production efficiency of the bearing bush are improved by using the fine boring machine, and the bearing bush can be prevented from being deformed due to machining.

Because the special shape of axle bush is comparatively troublesome when fixed, all fix by manual work usually, the position adjustment still needs in fixed time to the material loading and the unloading of axle bush are that the manual work is directly manually placed in the position that the boring cutter cut, and the boring cutter is still rotating in the time of the unloading sometimes, and such material loading and unloading mode are all comparatively dangerous, and the inconvenient problem of operation.

We have therefore proposed a hydraulic bearing bush locating and clamping device which solves the problems set out above.

Disclosure of Invention

The invention aims to provide a bearing bush hydraulic positioning and clamping device, which solves the problems that in the prior art, due to the special shape of a bearing bush, the fixing is troublesome, the fixing is usually performed manually, the position is required to be adjusted during the fixing, the feeding and the blanking of the bearing bush are manually and directly placed at the cutting position of a fine boring cutter, and the fine boring cutter rotates during the blanking sometimes, so that the feeding and the blanking modes are dangerous and inconvenient to operate.

In order to achieve the purpose, the invention provides the following technical scheme: a bearing bush hydraulic positioning and clamping device comprises a base, a sliding seat, a rotating arm, a fixed table and a fixed seat, wherein a side baffle is fixedly arranged at the right end of the base, a first air cylinder is fixedly arranged at the right end of the side baffle through a bolt, a first telescopic rod is fixedly connected to the left side of the first air cylinder, a small motor is fixedly arranged at the left side of the base through a bolt, a threaded rod is fixedly arranged at the right end of the small motor, a first sliding groove is formed in the upper end of the left side of the base, a supporting column is fixedly arranged at the upper end of the left side of the base, a first sliding groove is fixedly connected to the lower end of the sliding seat, a first positioning guide pillar is fixedly connected to the inner side of the sliding seat, a side baffle is fixedly connected to the right end of the first positioning guide pillar, a first telescopic rod, a fourth air cylinder is fixedly arranged on the rear side of the sliding seat, a fourth telescopic rod is fixedly connected to the left side of the fourth air cylinder, a second hinge is fixedly arranged on the left end of the fourth telescopic rod, a third air cylinder is fixedly arranged on the rear side of the rotating arm, a third telescopic rod is fixedly connected to the right side of the third air cylinder, a second hinge is fixedly arranged on the right end of the third telescopic rod, a first U-shaped block is fixedly arranged on the lower side of the left end of the rotating arm, a first U-shaped pushing block is fixedly connected to the lower side of the left end of the rotating arm, a fifth telescopic rod is fixedly connected to the right end of the first U-shaped pushing block, a fifth air cylinder is fixedly connected to the right end of the fifth telescopic rod, a fifth air cylinder is fixedly arranged on the right side of the inner wall of the rotating arm, a support frame is fixedly arranged on the upper, meanwhile, a third hinge is fixedly arranged at the upper end of the pressing rod, a sixth air cylinder is fixedly arranged on the right side in the rotating arm, a sixth telescopic rod is fixedly connected to the left side of the sixth air cylinder, a third hinge is fixedly arranged at the left end of the sixth telescopic rod, a second telescopic rod is fixedly connected to the inner side of the fixed table, a connecting block is fixedly arranged at the lower end of the second telescopic rod through a bolt, a pressing block is fixedly connected to the lower end of the connecting block through a bolt, a second air cylinder is fixedly arranged at the upper end of the fixed table, a second telescopic rod is fixedly connected to the lower end of the second air cylinder, a second positioning guide pillar is fixedly connected to the rear side of the fixed table, a connecting block is fixedly connected to the lower end of the second positioning guide pillar, a support pillar is fixedly arranged on the left side of the lower end of the fixed table, a first positioning, the fixing base upside is inside to be seted up the second sliding tray, and the inboard fixedly connected with second U-shaped of second sliding tray promotes the piece, fixing base upper end right side fixed mounting has the second U-shaped piece, fixing base lower extreme fixedly connected with base.

Preferably, the sliding seat forms a sliding structure with the base through the first sliding groove, the sliding seat forms a sliding structure with the base through the first positioning guide pillar, and the sliding seat forms a sliding structure with the side baffle through the first telescopic rod.

Preferably, the pressing rod forms a rotating structure through the supporting frame and the rotating arm, the pressing rod forms a rotating structure through the third hinge and the sixth telescopic rod, and the third hinge forms a sliding structure through the sixth telescopic rod and the sixth cylinder.

Preferably, the connecting block and the fixed station form a sliding structure through a second telescopic rod, the second positioning guide column and the fixed station form a sliding structure through the connecting block, and the pressing block and the second U-shaped block form a sliding structure through the connecting block.

Preferably, the upper side of the right end of the second U-shaped pushing block is provided with a U-shaped block, the outer diameter of the U-shaped block of the second U-shaped pushing block is smaller than the inner diameter of the second U-shaped block, and the second U-shaped pushing block and the second U-shaped block form a sliding structure through a second sliding groove.

Preferably, the threaded rod forms rotating-structure through little motor and fixing base, and the second U-shaped promotes the piece and passes through the threaded rod and form sliding structure with the fixing base to the internal diameter of second U-shaped piece is greater than the diameter according to the briquetting lower extreme.

Preferably, the third telescopic rod and the fourth telescopic rod form a rotating structure through a second hinge, and the sliding seat and the rotating arm form a rotating structure through a first hinge.

Preferably, the second hinge forms a sliding structure with the fourth cylinder through the fourth telescopic rod, and the second hinge forms a sliding structure with the third cylinder through the third telescopic rod.

Preferably, the left side of the first U-shaped pushing block is provided with a U-shaped block, the outer diameter of the U-shaped block of the first U-shaped pushing block is smaller than the inner diameter of the first U-shaped block, and the first U-shaped pushing block and the fifth cylinder form a sliding structure through a fifth telescopic rod.

Compared with the prior art, the invention has the beneficial effects that: the bearing bush hydraulic positioning and clamping device;

the inner diameter of the second U-shaped block is larger than the diameter of the lower end of the pressing block, the pressing block and the second U-shaped block form a sliding structure through a second telescopic rod and a second cylinder, the bearing bush is placed on the inner side of the second U-shaped block, and the pressing block moves downwards through the second telescopic rod and the second cylinder so as to press the two ends of the bearing bush, so that the bearing bush is fixed on the second U-shaped block and does not hinder a fine boring cutter from cutting the inner side of the bearing bush;

the outer diameter of the U-shaped block provided with the second U-shaped pushing block is smaller than the inner diameter of the second U-shaped block, the second U-shaped pushing block and the fixed seat form a sliding structure through a threaded rod, after the bearing bush is cut, the threaded rod is driven to rotate through the small motor, the threaded rod rotates to enable the second U-shaped pushing block to slide towards the second U-shaped block, and the bearing bush is separated from the second U-shaped block through the second U-shaped pushing block, so that a worker can carry out blanking without contacting a fixing device near a fine boring cutter, and the safety of the worker is ensured;

the pressing rod is arranged to form a rotating structure through the support frame and the rotating arm, the first U-shaped pushing block and the first U-shaped block form a sliding structure through the fifth telescopic rod, the first U-shaped block receives a bearing bush which is withdrawn from the second U-shaped pushing block, the pressing rod rotates through the support frame, the anti-skidding block is enabled to press the bearing bush, the bearing bush is fixed on the rotating arm, the pressing rod is rotated to loosen the anti-skidding block, the first U-shaped pushing block moves outwards through the fifth telescopic rod, the bearing bush is pushed out, and discharging and feeding are facilitated;

be equipped with the third telescopic link and form rotating-structure through second hinge and fourth telescopic link, the sliding seat forms rotating-structure through first hinge and rotor arm, and the rotor arm rotates the rotor arm through first hinge when centre gripping axle bush, makes things convenient for the staff edgewise to carry out material loading and unloading.

Drawings

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

FIG. 2 is a side cross-sectional structural schematic view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the left side of the rotating arm according to the present invention;

FIG. 5 is a schematic cross-sectional view of a rotor arm according to the present invention;

FIG. 6 is a schematic view of the rotating arm of the present invention viewed from above;

FIG. 7 is a right side view of a second U-shaped block according to the present invention;

FIG. 8 is a schematic cross-sectional view of the fixing base of the present invention.

In the figure: 1. a base; 2. a side baffle; 3. a first cylinder; 4. a first telescopic rod; 5. a sliding seat; 6. a first hinge; 7. a rotating arm; 8. a first positioning guide post; 9. a first U-shaped block; 10. a pressing lever; 11. a fixed table; 12. a second cylinder; 13. a second telescopic rod; 14. connecting blocks; 15. a pressing block; 16. a second U-shaped block; 17. a second U-shaped pushing block; 18. a fixed seat; 19. a threaded rod; 20. a small motor; 21. a support pillar; 22. a first sliding groove; 23. a second positioning guide pillar; 24. a third cylinder; 25. a third telescopic rod; 26. a second hinge; 27. a fourth telescopic rod; 28. a fourth cylinder; 29. a third hinge; 30. a support frame; 31. anti-skid blocks; 32. a first U-shaped push block; 33. a fifth telescopic rod; 34. a fifth cylinder; 35. a sixth telescopic rod; 36. a sixth cylinder; 37. a second sliding 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. 1-8, the present invention provides a technical solution: a bearing bush hydraulic positioning and clamping device comprises a base 1, a side baffle 2, a first air cylinder 3, a first telescopic rod 4, a sliding seat 5, a first hinge 6, a rotating arm 7, a first positioning guide pillar 8, a first U-shaped block 9, a pressing rod 10, a fixed table 11, a second air cylinder 12, a second telescopic rod 13, a connecting block 14, a pressing block 15, a second U-shaped block 16, a second U-shaped pushing block 17, a fixed seat 18, a threaded rod 19, a small motor 20, a supporting pillar 21, a first sliding groove 22, a second positioning guide pillar 23, a third air cylinder 24, a third telescopic rod 25, a second hinge 26, a fourth telescopic rod 27, a fourth air cylinder 28, a third hinge 29, a supporting frame 30, an anti-skid block 31, a first U-shaped pushing block 32, a fifth telescopic rod 33, a fifth air cylinder 34, a sixth telescopic rod 35, a sixth air cylinder 36 and a second sliding groove 37, wherein the side baffle 2 is fixedly arranged at the right end of the base 1, the right end of the side baffle 2 is fixedly provided with a first cylinder 3 through a bolt, the left side of the first cylinder 3 is fixedly connected with a first telescopic rod 4, the left side of the base 1 is fixedly provided with a small motor 20 through a bolt, the right end of the small motor 20 is fixedly provided with a threaded rod 19, the upper end of the base 1 is provided with a first sliding groove 22, the upper end of the left side of the base 1 is fixedly provided with a support column 21, the lower end of the sliding seat 5 is fixedly connected with the first sliding groove 22, the inner side of the sliding seat 5 is fixedly connected with a first positioning guide column 8, the right end of the first positioning guide column 8 is fixedly connected with the side baffle 2, the right end of the sliding seat 5 is fixedly provided with the first telescopic rod 4 through a bolt, the right side of the first telescopic rod 4 is fixedly connected with the side baffle 2, the left side of the sliding seat 5 is fixedly provided with, a second hinge 26 is fixedly arranged at the left end of a fourth telescopic rod 27, a third air cylinder 24 is fixedly arranged at the rear side of the rotating arm 7, a third telescopic rod 25 is fixedly connected at the right side of the third air cylinder 24, a second hinge 26 is fixedly arranged at the right end of the third telescopic rod 25, a first U-shaped block 9 is fixedly arranged at the lower side of the left end of the rotating arm 7, a first U-shaped pushing block 32 is fixedly connected at the lower side of the left end of the rotating arm 7, a fifth telescopic rod 33 is fixedly connected at the right end of the first U-shaped pushing block 32, a fifth air cylinder 34 is fixedly connected at the right end of the fifth telescopic rod 33, a fifth air cylinder 34 is fixedly arranged at the right side of the inner wall of the rotating arm 7, a support frame 30 is fixedly arranged at the upper side of the left end of the rotating arm 7, a pressing rod 10 is fixedly connected at the middle of the support frame 30, an anti-skid block 31 is fixedly arranged, a sixth telescopic rod 35 is fixedly connected to the left side of the sixth air cylinder 36, a third hinge 29 is fixedly mounted at the left end of the sixth telescopic rod 35, a second telescopic rod 13 is fixedly connected to the inner side of the fixed station 11, a connecting block 14 is fixedly mounted at the lower end of the second telescopic rod 13 through a bolt, a pressing block 15 is fixedly connected at the lower end of the connecting block 14 through a bolt, a second air cylinder 12 is fixedly mounted at the upper end of the fixed station 11, a second telescopic rod 13 is fixedly connected at the lower end of the second air cylinder 12, a second positioning guide post 23 is fixedly connected to the rear side of the fixed station 11, a connecting block 14 is fixedly mounted at the lower end of the second positioning guide post 23, a support post 21 is fixedly mounted at the left side of the lower end of the fixed station 11, a first positioning guide post 8 is fixedly mounted at the right end of the fixed seat 18, a threaded rod 19 is fixedly connected, and the inboard fixedly connected with second U-shaped promotes piece 17 of second sliding tray 37, and fixing base 18 upper end right side fixedly mounted has second U-shaped piece 16, and fixing base 18 lower extreme fixedly connected with base 1.

Sliding seat 5 forms sliding structure through first sliding tray 22 and base 1, and sliding seat 5 forms sliding structure through first positioning guide post 8 and base 1, and sliding seat 5 forms sliding structure through first telescopic link 4 and side shield 2, remove about through sliding seat 5, make first U-shaped piece 9 and the 16 contacts of second U-shaped piece, conveniently promote piece 17 and first U-shaped through the second U-shaped and promote piece 32 and carry out material loading and unloading, make material loading and unloading need not staff contact fixing device.

The pressing rod 10 forms a rotating structure with the rotating arm 7 through the supporting frame 30, the pressing rod 10 forms a rotating structure with the sixth telescopic rod 35 through the third hinge 29, the third hinge 29 forms a sliding structure with the sixth air cylinder 36 through the sixth telescopic rod 35, the pressing rod 10 rotates to press the bearing bush on the inner side of the first U-shaped block 9 through the anti-slip block 31, and therefore the bearing bush is fixed, and the bearing bush cannot fall off when the rotating arm 7 moves.

The connecting block 14 forms a sliding structure with the fixed station 11 through the second telescopic rod 13, the second positioning guide pillar 23 forms a sliding structure with the fixed station 11 through the connecting block 14, the pressing block 15 forms a sliding structure with the second U-shaped block 16 through the connecting block 14, the inner diameter of the second U-shaped block 16 is larger than the diameter of the lower end of the pressing block 15, when the bearing bush is placed on the inner side of the second U-shaped block 16, the pressing block 15 descends through the second telescopic rod 13 to press two ends of the bearing bush, the bearing bush is fixed on the inner side of the second U-shaped block 16, the inner side of the bearing bush is not prevented from being cut by a fine boring cutter when the bearing bush is fixed.

Second U-shaped promotes piece 17 right-hand member upside and is equipped with U type piece, and the U type piece external diameter that second U-shaped promoted piece 17 is less than the internal diameter of second U-shaped piece 16, and second U-shaped promotes piece 17 and forms sliding construction through second sliding tray 37 and second U-shaped piece 16, threaded rod 19 forms rotating-structure through small motor 20 and fixing base 18, and second U-shaped promotes piece 17 and forms sliding construction through threaded rod 19 and fixing base 18, the axle bush cutting back that finishes, small motor 20 drives threaded rod 19 and rotates, threaded rod 19 rotates and drives second U-shaped and promote piece 17 and remove, thereby push out the axle bush from second U-shaped piece 16, conveniently carry out the unloading.

Third telescopic link 25 forms revolution mechanic through second hinge 26 and fourth telescopic link 27, and sliding seat 5 forms revolution mechanic through first hinge 6 and rotor arm 7, second hinge 26 forms sliding structure through fourth telescopic link 27 and fourth cylinder 28, and second hinge 26 forms sliding structure through third telescopic link 25 and third cylinder 24, remove third telescopic link 25 through third cylinder 24, fourth cylinder 28 removes fourth telescopic link 27, make third telescopic link 25 and fourth telescopic link 27 rotate through second hinge 26, thereby drive sliding seat 5 and rotor arm 7 and rotate through first hinge 6, make things convenient for the staff to carry out material loading and unloading from the side.

The left side of the first U-shaped pushing block 32 is provided with a U-shaped block, the outer diameter of the U-shaped block of the first U-shaped pushing block 32 is smaller than the inner diameter of the first U-shaped block 9, the first U-shaped pushing block 32 forms a sliding structure with the fifth cylinder 34 through the fifth telescopic rod 33, and during blanking, the first U-shaped pushing block 32 moves outwards, so that the bearing bush on the inner side of the first U-shaped block 9 is pushed down, and blanking is convenient to carry out.

The working principle of the embodiment is as follows: when the bearing bush hydraulic positioning and clamping device is used, firstly, as shown in fig. 4-5, a bearing bush is placed on the inner side of a first U-shaped block 9, then a sixth air cylinder 36 drives a sixth telescopic rod 35 to contract, the sixth telescopic rod 35 drives the upper end of a pressing rod 10 to move through a third hinge 29, the pressing rod 10 rotates through a support frame 30, and an anti-skid block 31 rotates through the support frame 30 to press the bearing bush, so that the bearing bush is fixed on the inner side of the first U-shaped block 9.

According to fig. 6, the third cylinder 24 drives the third telescopic rod 25 to contract, the fourth cylinder 28 drives the fourth telescopic rod 27 to contract, and the third telescopic rod 25 and the fourth telescopic rod 27 contract simultaneously and rotate through the second hinge 26, so that the rotating arm 7 rotates with the sliding seat 5 through the first hinge 6, and the rotating arm 7 keeps a straight line.

According to fig. 1-3, the first cylinder 3 drives the first telescopic rod 4 to extend, and the sliding seat 5 moves leftwards through the 2 first positioning guide pillars 8 and the first sliding groove 22, so that the first U-shaped block 9 contacts the second U-shaped block 16.

According to the figure 5 and figure 7, the pressing rod 10 is opened, the first U-shaped pushing block 32 moves outwards through the fifth telescopic rod 33, the first U-shaped pushing block 32 pushes the bearing bush away from the first U-shaped block 9, the first U-shaped block 9 reaches the second U-shaped block 16, the pressing block 15 moves downwards through the second telescopic rod 13 to press the two ends of the bearing bush, the sliding seat 5 moves rightwards through the first telescopic rod 4, and then the cutting work is started.

According to the figure 8, after cutting, the pressing block 15 ascends, the sliding seat 5 moves leftwards, the first U-shaped block 9 contacts the second U-shaped block 16, the small motor 20 is started, the threaded rod 19 rotates, the second U-shaped pushing block 17 moves rightwards through the threaded rod 19, so that the bearing bush is pushed, the bearing bush is separated from the second U-shaped block 16 to reach the first U-shaped block 9, then the bearing bush is clamped through the pressing rod 10, the sliding seat 5 moves rightwards, the rotating arm 7 rotates again, the pressing rod 10 is opened, and the first U-shaped pushing block 32 moves outwards to push down the cut bearing bush shaft;

the operation of the device is completed and details not described in detail in this specification, such as the first U-shaped block 9, the pressing block 15 and the second U-shaped block 16, are well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.