CN212169061U

CN212169061U - Boring machine tool for processing U-shaped bracket

Info

Publication number: CN212169061U
Application number: CN202022716364.3U
Authority: CN
Inventors: 张力
Original assignee: Laizhou Tuowei Machinery Co ltd
Current assignee: Laizhou Tuowei Machinery Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2020-12-18
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a boring machine tool for processing a U-shaped bracket, which belongs to the field of mechanical processing and comprises a workbench, a left cutting assembly, a right cutting assembly, a clamp assembly and a protection plate; the clamp assembly is fixedly connected to the workbench, the left cutting assembly and the right cutting assembly are respectively arranged on two sides of the clamp assembly, and the left cutting assembly and the right cutting assembly are respectively connected with the workbench in a sliding manner; the protection plate is connected with the workbench in a sliding mode and can slide above the clamp assembly; and boring cutters are respectively arranged on the opposite surfaces of the left cutting assembly and the right cutting assembly. A boring lathe for processing U type support, can guarantee the axiality of two processing round holes, improve machining efficiency.

Description

Boring machine tool for processing U-shaped bracket

Technical Field

The utility model relates to a boring lathe for processing U type support, it belongs to the machining field.

Background

The U-shaped bracket is one of important parts in automobile transmission parts. The U type support has the landing leg of two symmetries, is provided with the round hole on the landing leg, and this round hole is important machining dimension, need guarantee the axiality of two round holes for the installation of later stage part. If the existing single-side boring cutter machine tool is used for processing, a round hole is required to be processed, and another round hole is processed in a rotating mode through a special fixture, so that the coaxiality of the round hole cannot be guaranteed in two times of processing; in addition, the machining efficiency is difficult to ensure for the batch part machining, and the production requirement cannot be met.

Disclosure of Invention

Utility model purpose: in order to overcome the defects in the prior art, the utility model provides a boring machine tool for processing U-shaped bracket to guarantee the axiality in two machined holes.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a boring machine tool for processing U-shaped support, including workstation, left side cutting assembly, right side cutting assembly, anchor clamps subassembly and guard plate; the clamp assembly is fixedly connected to the workbench, the left cutting assembly and the right cutting assembly are respectively arranged on two sides of the clamp assembly, and the left cutting assembly and the right cutting assembly are respectively connected with the workbench in a sliding manner; the protection plate is connected with the workbench in a sliding mode and can slide above the clamp assembly; and boring cutters are respectively arranged on the opposite surfaces of the left cutting assembly and the right cutting assembly.

Further, the clamp assembly comprises a bottom plate, a convex block and a vertical plate which are integrally formed; the vertical plate is arranged in front of the protruding block, limiting grooves are formed in two sides of the protruding block, the protruding block is of a cavity type structure, a top rod is connected in the cavity of the protruding block in a sliding mode, and one end of the top rod can extend out of the cavity of the protruding block in a sliding mode and extends into the limiting grooves.

Further, the anchor clamps subassembly still includes depression bar and first pneumatic cylinder, the depression bar includes horizontal pole and the montant of interconnect "T" shape, be provided with the connecting plate on the bottom plate, the connecting plate sets up in the rear of lug, the middle part and the connecting plate of montant are articulated, the one end of montant is articulated with the flexible end of first pneumatic cylinder, the other end of montant is connected with the middle part of horizontal pole, the both ends of horizontal pole are provided with downwardly extending's arch.

Further, the clamp assembly further comprises a second hydraulic cylinder, a push rod and a wedge block; the fixed end of the second hydraulic cylinder is connected with the vertical plate, and the movable end of the second hydraulic cylinder is connected with one end of the push rod; the wedge-shaped block is connected in the cavity of the bump in a sliding manner, and the other end of the push rod extends into the cavity of the bump and is connected with the wedge-shaped block; the two side surfaces of the wedge-shaped block are inclined surfaces, and the ejector rod is connected with the two side surfaces of the wedge-shaped block in a jacking and pressing mode.

Furthermore, a bracket is arranged on the vertical plate.

Further, the left side cutting assembly comprises a bracket, a spindle motor and a feeding motor; the worktable is provided with a guide rail, the support is connected with the guide rail in a sliding manner, the feeding motor is fixedly connected to the worktable, the worktable is rotatably connected with a lead screw, the support is connected with the lead screw in a matching manner, and the lead screw is in driving connection with the feeding motor; the spindle motor is fixedly connected to the support, the spindle is rotationally connected with the support, the boring cutter is connected to the tail end of the spindle, and the spindle motor is in driving connection with the spindle.

Has the advantages that: the utility model discloses a boring lathe for processing U type support fixes the U-shaped support on the anchor clamps subassembly, starts this device, and left side cutting assembly and right side cutting assembly slide in opposite directions simultaneously, and simultaneously, the main shaft drives the boring cutter rotation, accomplishes the cutting of two round holes simultaneously, can guarantee the axiality of processing the round hole, also can improve machining efficiency.

Drawings

FIG. 1 is a drawing of a part machined using the apparatus of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic structural view of the clamp assembly of the present invention;

FIG. 5 is a top view of the clamp assembly of the present invention;

FIG. 6 is a schematic view of the structure of the clamp assembly of the present invention engaged with the U-shaped bracket;

fig. 7 is a schematic structural view of the bump according to the present invention;

fig. 8 is a schematic structural diagram of the push rod of the present invention.

In the figure, 1, a workbench; 2. a left side cutting assembly; 3. a right side cutting assembly; 4. a clamp assembly; 5. a protection plate; 6. boring cutter; 7. a base plate; 8. a bump; 9. a vertical plate; 10. a limiting groove; 11. a top rod; 12. a pressure lever; 13. a first hydraulic cylinder; 14. a cross bar; 15. a vertical rod; 16. a protrusion; 17. a second hydraulic cylinder; 18. a push rod; 19. a wedge block; 20. a bracket; 21. a support; 22. a main shaft; 23. a spindle motor; 24. a feed motor; 25. a guide rail; 26. a lead screw; 27. a connecting plate; 28. a U-shaped bracket; 29. a guide hole; 30. a guide strip; 31. guide way, 32, abdication hole.

Detailed Description

The principles and features of the present invention are described below with reference to fig. 1-8, which are provided for illustration only and are not intended to limit the scope of the present invention.

A boring machine for machining a U-shaped support comprises a workbench 1, a left cutting assembly 2, a right cutting assembly 3, a clamp assembly 4 and a protection plate 5.

The middle position of workstation 1 is provided with the chip groove, anchor clamps subassembly 4 fixed connection is on workstation 1 to set up in the top of chip groove, anchor clamps subassembly 4 is used for the fixed U type support 28 of treating processing. The left cutting assembly 2 and the right cutting assembly 3 are respectively arranged at two sides of the clamp assembly 4, the boring cutters 6 are connected to the opposite surfaces of the left cutting assembly 2 and the right cutting assembly 3, and the left cutting assembly 2 and the right cutting assembly 3 are both connected to the workbench 1 in a sliding mode. When the U-shaped bracket 28 is machined, the U-shaped bracket is fixed on the clamp assembly 4, the left cutting assembly 2 and the right cutting assembly 3 simultaneously slide towards each other, and simultaneously, the boring cutter 6 rotates to complete the machining of a circular hole.

The left-hand cutting assembly 2 and the right-hand cutting assembly 3 are identical in construction. Specifically, the left-hand cutting assembly 2 includes a bracket 21, a spindle 22, a spindle motor 23, and a feed motor 24; the worktable 1 is provided with a guide rail 25, the bracket 21 is slidably connected with the guide rail 25, the feeding motor 24 is fixedly connected to the worktable 1, the worktable 1 is rotatably connected with a lead screw 26, the bracket 21 is connected with the lead screw 26 in a matching manner, and the lead screw 26 is in driving connection with the feeding motor 24; the spindle motor 23 is fixedly connected to the support 21, the spindle 22 is rotatably connected to the support 21, the boring cutter 6 is connected to the tail end of the spindle 22, and the spindle motor 23 is in driving connection with the spindle 22.

The clamp assembly 4 comprises a bottom plate 7, a convex block 8, a vertical plate 9, a pressure rod 12, a first hydraulic cylinder 13, a second hydraulic cylinder 17, a push rod 18, a wedge-shaped block 19 and an ejector rod 11 which are integrally formed.

The bottom plate 7 extends upwards to be provided with a connecting plate 27, and the vertical plate 9 and the connecting plate 27 are respectively arranged at the front end and the rear end of the convex block 8. The bump 8 is of a cavity-shaped structure, the wedge-shaped block 19 is slidably connected in the cavity of the bump 8, and the two sides of the bump 8 are provided with limiting grooves 10. The fixed end of the second hydraulic cylinder 17 is connected with the vertical plate 9, the movable end of the second hydraulic cylinder 17 is connected with one end of the push rod 18, the other end of the push rod 18 extends into the cavity of the convex block 8 to be connected with the wedge-shaped block 19, guide holes 29 are formed in two sides of the convex block 8, and the two ejector rods 11 are respectively connected in the guide holes 29 in a sliding mode. The two ejector rods 11 are respectively arranged on two sides of a wedge-shaped block 19, two side faces of the wedge-shaped block 19 are inclined planes respectively, one end of each ejector rod 11 is connected with the wedge-shaped block 19, and the wedge-shaped block 19 can eject the ejector rods 11 in a sliding mode. The end face of the ejector rod 11 is provided with a yielding hole 32 to ensure complete cutting. In order to prevent the ejector rod 11 from separating from the projection 8, a guide bar 30 is arranged on the circumferential surface of the guide hole 29, a guide groove 31 is arranged on the ejector rod 11 along the circumferential direction, and the guide bar 30 is slidably connected in the guide groove 31.

The depression bar 12 is including interconnect's horizontal pole 14 and montant 15 that becomes "T" shape, the stiff end and the bottom plate 7 of first pneumatic cylinder 13 are connected, the expansion end of first pneumatic cylinder 13 is connected with the one end of montant 15, the intermediate position of montant 15 is articulated with connecting plate 27, the other end and the horizontal pole 14 fixed connection of montant 15, the both ends of horizontal pole 14 are provided with arch 16 downwards. A bracket 20 is arranged on the vertical plate 9.

In order to prevent the chips from splashing during the machining process, a protection plate 5 is also connected to the workbench 1, and the protection plate 5 can slide to the upper part of the clamp assembly 4 and is used for preventing the chips from splashing and hurting people.

The spatial coordinate system shown in fig. 6, the positioning principle of the clamping assembly 4 is as follows: the machining positions are two coaxial through holes on the U-shaped support 28, so that the degrees of freedom required to be limited comprise a moving degree of freedom in the Y direction, a rotating degree of freedom in the Z direction and a moving degree of freedom in the Z direction, the limiting grooves 10 on two sides of the protruding block 8 are positioning parts of the clamp assembly 4 to form a long V-shaped block in a mechanical positioning principle, and the rotating degree of freedom and the moving degree of freedom in the Y direction, and the rotating degree of freedom and the moving degree of freedom in the Z direction of the U-shaped support 28 are limited.

The mandril 11 and the pressure rod 12 are used as clamping parts of the clamp assembly 4, and the vertical plate 9 and the bracket 20 above the vertical plate are used as clamping auxiliary parts. The positioning part and the clamping part of the whole clamp assembly 4 are separated, and the requirements on the clamp in machining are met.

During processing, the part A of the U-shaped bracket 28 is placed into the limiting groove 10, and the part B just falls into the bracket 20.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A boring machine tool for processing a U-shaped bracket is characterized in that: comprises a workbench (1), a left cutting assembly (2), a right cutting assembly (3), a clamp assembly (4) and a protection plate (5); the clamp assembly (4) is fixedly connected to the workbench (1), the left cutting assembly (2) and the right cutting assembly (3) are respectively arranged on two sides of the clamp assembly (4), and the left cutting assembly (2) and the right cutting assembly (3) are respectively in sliding connection with the workbench (1); the protection plate (5) is connected with the workbench (1) in a sliding mode, and the protection plate (5) can slide above the clamp assembly (4); boring cutters (6) are respectively arranged on the opposite surfaces of the left cutting assembly (2) and the right cutting assembly (3);

the clamp assembly (4) comprises a base plate (7), a convex block (8) and a vertical plate (9) which are integrally formed; the vertical plate (9) is arranged in front of the bump (8), limiting grooves (10) are arranged on two sides of the bump (8), the bump (8) is of a cavity type structure, a push rod (11) is connected in the cavity of the bump (8) in a sliding mode, and one end of the push rod (11) can extend out of the cavity of the bump (8) in a sliding mode and extend into the limiting grooves (10).

2. The boring machine tool for processing a U-shaped bracket as set forth in claim 1, wherein: anchor clamps subassembly (4) still include depression bar (12) and first pneumatic cylinder (13), depression bar (12) are including interconnect become horizontal pole (14) and montant (15) of "T" shape, be provided with connecting plate (27) on bottom plate (7), connecting plate (27) set up in the rear of lug (8), the middle part and the connecting plate (27) of montant (15) are articulated, the one end of montant (15) is articulated with the flexible end of first pneumatic cylinder (13), the other end and the middle part of horizontal pole (14) of montant (15) are connected, the both ends of horizontal pole (14) are provided with arch (16) of downwardly extending.

3. The boring machine tool for processing a U-shaped bracket as set forth in claim 2, wherein: the clamp assembly (4) further comprises a second hydraulic cylinder (17), a push rod (18) and a wedge block (19); the fixed end of the second hydraulic cylinder (17) is connected with the vertical plate (9), and the movable end of the second hydraulic cylinder (17) is connected with one end of the push rod (18); the wedge-shaped block (19) is connected in a sliding manner in the cavity of the lug (8), and the other end of the push rod (18) extends into the cavity of the lug (8) and is connected with the wedge-shaped block (19); two side surfaces of the wedge-shaped block (19) are inclined surfaces, and the ejector rod (11) is connected with the two side surfaces of the wedge-shaped block (19) in a jacking mode.

4. A boring machine for working a U-shaped bracket according to claim 3, characterized in that: a bracket (20) is arranged on the vertical plate (9).

5. The boring machine tool for processing a U-shaped bracket as set forth in claim 1, wherein: the left cutting assembly (2) comprises a bracket (21), a spindle (22), a spindle motor (23) and a feeding motor (24); the automatic feeding device is characterized in that a guide rail (25) is arranged on the workbench (1), the support (21) is in sliding connection with the guide rail (25), the feeding motor (24) is fixedly connected to the workbench (1), a lead screw (26) is rotatably connected to the workbench (1), the support (21) is in fit connection with the lead screw (26), and the lead screw (26) is in driving connection with the feeding motor (24); the spindle motor (23) is fixedly connected to the support (21), the spindle (22) is rotationally connected with the support (21), the boring cutter (6) is connected to the tail end of the spindle (22), and the spindle motor (23) is in driving connection with the spindle (22).