CN212144605U

CN212144605U - Main bearing cap boring tool

Info

Publication number: CN212144605U
Application number: CN202020821085.0U
Authority: CN
Inventors: 蔡建飞; 孙燕; 赵根五
Original assignee: Hubei Luotai Jinlai Machinery Manufacturing Co ltd
Current assignee: Hubei Luotai Jinlai Machinery Manufacturing Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-15
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a main bearing cap bore hole frock belongs to main bearing cap processing field, the on-line screen storage device comprises a base, the upper surface of base is fixed with the roof through the pillar, the lower surface symmetry of roof installs the pneumatic cylinder, the piston rod of two pneumatic cylinders is connected with the mounting panel of same level setting, the upper surface mounting of mounting panel has the motor, the output shaft of motor installs gear one, rotate on the mounting panel and install two bore hole devices, gear two is installed at the top of bore hole device, and gear two meshes with gear one, the upper surface symmetry of base has seted up the spout, the spout sliding connection has the slide bar, the top of slide bar is fixed with the clamp splice, be provided with the bearing cap main part between two clamp splices, the upper surface symmetry welding of base has bracing; the utility model relates to a novelty, the bearing cap centre gripping that will wait to process that can be stable is fixed, makes things convenient for going on of bore hole, has guaranteed the quality of product, and the bore hole is effectual, is worth promoting.

Description

Main bearing cap boring tool

Technical Field

The utility model belongs to the technical field of the main bearing cap processing, concretely relates to main bearing cap bore hole frock.

Background

The engine bearing cover is a bearing fixing part on a rotating shaft, and for the production of the engine bearing cover, a blank is usually manufactured by casting, then the blank is clamped firmly by a vice, the blank is processed, and a through hole of a circular bolt is bored to obtain a finished product. However, the manual clamping of the vice is realized because the surface of the bearing cover blank is a smooth surface, the blank is easy to shift when the clamping force is small, the processing precision is influenced, and the blank is easy to deform when the clamping force is too large, so that the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a main bearing cap bore hole frock to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the automatic boring machine comprises a base, wherein a top plate is fixed on the upper surface of the base through a support, hydraulic cylinders are symmetrically installed on the lower surface of the top plate, piston rods of the two hydraulic cylinders are connected with a mounting plate which is horizontally arranged, a motor is installed on the upper surface of the mounting plate, a first gear is installed on an output shaft of the motor, two boring devices are rotatably installed on the mounting plate, a second gear is installed at the top end of each boring device and is meshed with the first gear, sliding grooves are symmetrically formed in the upper surface of the base and are connected with sliding rods in a sliding manner, clamping blocks are fixed at the top ends of the sliding rods, a bearing cover main body is arranged between the two clamping blocks, a first supporting rod and a second supporting rod are symmetrically welded on the upper surface of the base, the first supporting rod and the second supporting rod are located between the two, the through holes are formed in the first supporting rod and the second supporting rod, the height of the two through holes is different, the movable rods are arranged in the through holes in an inner movable mode, one ends, far away from the two movable rods, of the two movable rods are fixed to the two sliding rods respectively, the racks are evenly installed on the side walls, close to the two movable rods, of the two movable rods along the length direction, the support is installed at the middle position of the upper surface of the base, and the third gear is installed on.

As a preferred embodiment, the boring device comprises a boring main shaft and a boring cutter, the boring main shaft is mounted on a mounting plate through a bearing, the two boring main shafts are located on two sides of a motor, a first gear is mounted at the top end of the boring main shaft, and the boring cutter is connected to the top end of the boring main shaft.

By adopting the scheme, the two boring main shafts are positioned at two sides of the motor, the motor is utilized to drive the two boring main shafts to rotate simultaneously, the two boring cutters can be driven to rotate simultaneously, and the boring efficiency is accelerated.

As a preferred embodiment, the clamping blocks are in a U-shaped structure, the two clamping blocks are symmetrically arranged, and the side walls of the two clamping blocks close to each other are bonded with rubber pads.

By adopting the scheme, the clamping block of the U-shaped structure is good in clamping effect, the bearing cover main body can be stably clamped, and the rubber pad can avoid damaging the bearing cover blank.

As a preferred embodiment, the bearing cap main body comprises a bearing cap blank, the bottom wall of the bearing cap blank is a semicircular arc surface, circular bolt through holes are symmetrically formed in the two sides of the bearing cap blank, and positioning pin installing holes are formed in the lower ends of the circular bolt through holes.

As a preferred embodiment, the fixing block is of a U-shaped structure, and the width of the inner wall of the fixing block is matched with the width of the bearing cover main body.

By adopting the scheme, the fixing block with the U-shaped structure can preliminarily fix the bearing cover main body, so that the clamping is convenient to carry out.

In a preferred embodiment, the third gear is located between the two racks, and the third gear is engaged with the racks.

By adopting the scheme, the third gear is meshed with the two racks, and the two racks can be conveniently driven to synchronously move, so that the movable rod and the slide rod are utilized to drive the two clamping blocks to move oppositely, the bearing cover main body is clamped, the control is convenient, the clamping effect is good, the bearing cover main body cannot be damaged, and the boring is convenient to carry out.

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

according to the main bearing cap boring tool, the fixing block can preliminarily fix the main bearing cap body through the arrangement of the structures such as the base, the top plate, the hydraulic cylinder, the mounting press, the motor, the first gear, the second gear, the boring device, the first supporting rod, the second supporting rod, the supporting plate and the fixing block, the two boring devices simultaneously bore a round bolt through hole in the main bearing cap body, and machining efficiency is high;

this main bearing cap bore hole frock can drive two clamp splices simultaneous phase motion through setting up spout, slider, clamp splice, movable rod, rack, support and gear isotructure, holds bearing cap main part centre gripping, and control is convenient, and the centre gripping is effectual, and can not cause the damage to it, makes things convenient for going on of bore hole.

Drawings

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

fig. 2 is a schematic structural view of the boring device of the present invention;

fig. 3 is a schematic structural diagram of a main body of the bearing cap of the present invention;

fig. 4 is a schematic structural view of a rack and a pinion gear in the present invention;

fig. 5 is a schematic structural diagram of the fixing block of the present invention.

In the figure: 1. a base; 2. a top plate; 3. a hydraulic cylinder; 4. mounting a plate; 5. a motor; 6. a first gear; 7. a boring device; 8. a second gear; 9. a chute; 10. a slide bar; 11. a clamping block; 12. a bearing cap body; 13. a first supporting rod; 14. a second supporting rod; 15. a support plate; 16. a fixed block; 17. a movable rod; 18. a rack; 19. a support; 20. and a third gear.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-5, the utility model provides a main bearing cap boring tool, including base 1, the upper surface of base 1 is fixed with roof 2 through the pillar, the lower surface symmetry of roof 2 installs pneumatic cylinder 3, the piston rod of two pneumatic cylinders 3 is connected with the same mounting panel 4 that sets up horizontally, the upper surface of mounting panel 4 is installed with motor 5, the output shaft of motor 5 is installed with gear one 6, rotate on the mounting panel 4 and install two boring device 7, boring device 7 includes boring main shaft and boring cutter, the boring main shaft is installed on mounting panel 4 through the bearing, two boring main shafts are located the both sides of motor 5, gear one 6 is installed at the top of boring main shaft, the top of boring main shaft is connected with the boring cutter (see fig. 1); the two boring main shafts are positioned on two sides of the motor 5, the motor 5 is utilized to drive the two boring main shafts to rotate simultaneously, the two boring cutters can be driven to rotate simultaneously, and boring efficiency is improved.

A second gear 8 is mounted at the top end of the boring device 7, the second gear 8 is meshed with a first gear 6, sliding grooves 9 are symmetrically formed in the upper surface of the base 1, sliding rods 10 are connected to the sliding grooves 9 in a sliding mode, clamping blocks 11 are fixed to the top ends of the sliding rods 10, a bearing cover main body 12 is arranged between the two clamping blocks 11, the bearing cover main body 12 comprises a bearing cover blank, the bottom wall of the bearing cover blank is a semicircular arc surface, circular bolt through holes are symmetrically formed in two sides of the bearing cover blank, positioning pin installing holes are formed in the lower ends of the circular bolt through holes, the clamping blocks 11 are of a U-shaped structure, the two clamping blocks 11 are symmetrically arranged, and rubber pads are bonded to the side walls, close to the two; the clamping block 11 of the U-shaped structure has a good clamping effect, can stably clamp the bearing cover main body 12, and the rubber pad can avoid damaging the bearing cover blank.

A first support rod 13 and a second support rod 14 are symmetrically welded on the upper surface of the base 1, the first support rod 13 and the second support rod 14 are located between the two sliding grooves 9, a support plate 15 is fixed at the top ends of the first support rod 13 and the second support rod 14, two fixing rods are symmetrically welded on the upper surface of the support plate 15, fixing blocks 16 are welded at the top ends of the fixing rods, the fixing blocks 16 are of U-shaped structures, and the width of the inner walls of the fixing blocks 16 is matched with the width of the bearing cover main body 12 (see fig. 1 and 5; the fixing block 16 of the U-shaped structure can preliminarily fix the bearing cover main body 12, so that the clamping is convenient to carry out.

Through holes are formed in the first supporting rod 13 and the second supporting rod 14 respectively, the two through holes are different in height, movable rods 17 are movably arranged in the through holes, one ends, far away from the two movable rods 17, of the two movable rods are fixed to the two sliding rods 10 respectively, racks 18 are uniformly arranged on the side walls, close to the two movable rods 17, of the two movable rods along the length direction, a support 19 is arranged in the middle of the upper surface of the base 1, a third gear 20 is rotatably arranged on the support 19, the third gear 20 is located between the two racks 18, and the third gear 20 is meshed with the racks 18 (see fig. 1 and; the third gear 20 is meshed with the two racks 18, so that the two racks 18 can be conveniently driven to synchronously move, the movable rod 17 and the slide rod 10 are utilized to drive the two clamping blocks 11 to move oppositely, the bearing cover main body 12 is clamped, the control is convenient, the clamping effect is good, the bearing cover main body cannot be damaged, and the boring is convenient.

When in use, the bearing cap main body 12 to be bored is placed on the two fixed blocks 16, the fixed blocks 16 are in a U-shaped structure, the bearing cap main body 12 can be preliminarily fixed, then a driving motor (not shown) is used for driving the gear III 20 to rotate anticlockwise, the gear III 20 is positioned between the two racks 18 and meshed with the racks 18, the two movable rods 17 can be driven to mutually approach, the movable rods 17 drive the sliding rods 10 to move in the sliding grooves 9 when moving, so that the two clamping blocks 11 clamp two ends of the bearing cap main body 12, rubber pads are further arranged on the clamping blocks 11, the bearing cap main body 12 can be prevented from being damaged by the clamping blocks 11, the clamping effect is good, then the motor 5 is opened to drive the gear I6 to rotate, the gear I6 is meshed with the gear II 8, so that the two boring devices 7 can be driven to synchronously rotate, the hydraulic cylinder 3 is driven to lower the mounting plate 4, the boring cutter of the boring device 7 enters the circular bolt through hole of the bearing cover main body 12 to complete boring operation, boring precision is high, effect is good, and the boring device is worthy of popularization.

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. The utility model provides a main bearing cap bore hole frock, includes base (1), its characterized in that: the upper surface of the base (1) is fixed with a top plate (2) through a pillar, hydraulic cylinders (3) are symmetrically installed on the lower surface of the top plate (2), piston rods of the two hydraulic cylinders (3) are connected with a mounting plate (4) arranged at the same level, a motor (5) is installed on the upper surface of the mounting plate (4), a first gear (6) is installed on an output shaft of the motor (5), two boring devices (7) are installed on the mounting plate (4) in a rotating mode, a second gear (8) is installed at the top end of each boring device (7), the second gear (8) is meshed with the first gear (6), sliding chutes (9) are symmetrically formed in the upper surface of the base (1), the sliding chutes (9) are connected with sliding rods (10) in a sliding mode, clamping blocks (11) are fixed at the top ends of the sliding rods (10), a bearing cover main body (12) is arranged between the two clamping blocks (11), the supporting rod I (13) and the supporting rod II (14) are located between the two sliding grooves (9), a supporting plate (15) is fixed to the top ends of the supporting rod I (13) and the supporting rod II (14), two fixing rods are symmetrically welded to the upper surface of the supporting plate (15), fixing blocks (16) are welded to the top ends of the fixing rods, through holes are formed in the supporting rod I (13) and the supporting rod II (14), the two through holes are different in height, movable rods (17) are movably arranged in the through holes, one ends, far away from the two movable rods (17), are fixed to the two sliding rods (10) respectively, racks (18) are evenly installed on the side walls, close to the two movable rods (17), of the side walls along the length direction, a support (19) is installed at the middle position of the upper surface of the base (.

2. The main bearing cap boring tool of claim 1, wherein: the boring device (7) comprises a boring main shaft and a boring cutter, the boring main shaft is installed on the installation plate (4) through a bearing, the two boring main shafts are located on two sides of the motor (5), the first gear (6) is installed at the top end of the boring main shaft, and the top end of the boring main shaft is connected with the boring cutter.

3. The main bearing cap boring tool of claim 1, wherein: the clamping blocks (11) are of a U-shaped structure, the two clamping blocks (11) are symmetrically arranged, and rubber pads are bonded on the side walls, close to the two clamping blocks (11), of the two clamping blocks.

4. The main bearing cap boring tool of claim 1, wherein: the bearing cap main body (12) comprises a bearing cap blank, the bottom wall of the bearing cap blank is a semicircular arc surface, circular bolt through holes are symmetrically formed in the two sides of the bearing cap blank, and positioning pins are arranged in the positioning holes at the lower ends of the circular bolt through holes.

5. The main bearing cap boring tool of claim 1, wherein: the fixing block (16) is of a U-shaped structure, and the width of the inner wall of the fixing block (16) is matched with that of the bearing cover main body (12).

6. The main bearing cap boring tool of claim 1, wherein: the third gear (20) is positioned between the two racks (18), and the third gear (20) is meshed with the racks (18).