CN219541749U

CN219541749U - Drilling and fixing device for precision mechanical workpiece

Info

Publication number: CN219541749U
Application number: CN202320101311.1U
Authority: CN
Inventors: 胡斌; 肖艳军
Original assignee: Jiahe Hengtai Precision Machinery Co ltd
Current assignee: Jiahe Hengtai Precision Machinery Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-08-18
Anticipated expiration: 2033-02-02

Abstract

The utility model relates to the technical field of fixing devices, in particular to a drilling fixing device for a precision mechanical workpiece. The utility model provides a drilling and fixing device for a precision mechanical workpiece, which comprises a base and the like; the base is provided with a sliding rail, symmetrical arc clamps and straight-edge clamps are arranged on the base in parallel, the arc clamps and the straight-edge clamps can horizontally slide along the sliding rail, and conical blocks are movably arranged between the arc clamps and the straight-edge clamps adjacent to the arc clamps or between the straight-edge clamps adjacent to the arc clamps. The fixing clamp is driven to move in opposite directions or in opposite directions through rotation of the bidirectional screw rod, so that a workpiece is effectively clamped and fixed; the toothed connecting rod rotates to drive the worm to rotate, the worm wheel is driven to rotate by the worm, and the worm wheel drives the bearing disc to rotate, so that the angle between the workpiece and drilling equipment is flexibly adjusted according to drilling requirements, and the function of accurately punching the special-shaped workpiece is realized.

Description

Drilling and fixing device for precision mechanical workpiece

Technical Field

The utility model relates to the technical field of fixing devices, in particular to a drilling fixing device for a precision mechanical workpiece.

Background

Precision machining is a process of changing the external dimension or performance of a workpiece by using a machining machine, wherein a drilling machine is a common type of precision machine, and refers to a machine tool which mainly uses a drill bit to machine holes on the workpiece, the drill bit usually rotates to be in main motion, the drill bit axially moves to be in feed motion, a through hole and a blind hole can be drilled, a special cutter can be replaced, and the machining such as expanding, reaming or tapping can be performed.

When drilling the workpiece, the workpiece needs to be fixed, the workpiece is usually clamped and fixed by a chuck or a bench vice in a conventional fixing mode, the square or round workpiece is suitably fixed by the chuck or the bench vice in a fixing mode, drilling equipment can only conduct X or Y-axis drilling operation on the workpiece, the angle between the drilling equipment and the workpiece needs to be adjusted according to the structure of the workpiece for some special-shaped workpieces, the chuck or the bench vice is used for clamping and fixing, and the angle between the workpiece and the drilling equipment is difficult to flexibly adjust according to drilling requirements, so that the defect that accurate drilling is difficult to achieve is caused.

Therefore, it is necessary to design a precision mechanical workpiece drilling fixture capable of flexibly adjusting the angle of the workpiece according to the drilling requirements to realize the precision drilling operation.

Disclosure of Invention

The utility model aims to overcome the defect that the angle of a workpiece is difficult to accurately drill due to the fact that the angle of the workpiece is difficult to flexibly adjust according to the drilling requirement in the conventional fixing mode of drilling equipment, and aims to provide the precise mechanical workpiece drilling fixing device capable of flexibly adjusting the angle of the workpiece according to the drilling requirement so as to realize precise drilling operation.

In order to solve the technical problems, the utility model provides the drilling fixing device for the precision mechanical workpiece, which comprises a base, wherein a sliding rail is arranged on the base, symmetrical arc clamps and straight-edge clamps are arranged on the base in parallel, the arc clamps and the straight-edge clamps can horizontally slide along the sliding rail, conical blocks are movably arranged between the arc clamps and the straight-edge clamps adjacent to the arc clamps or between the straight-edge clamps adjacent to the arc clamps, the conical blocks are movably connected with the base through bolts, symmetrical mounting seats are arranged on one side wall of the conical blocks far away from the arc clamps or the straight-edge clamps, bearing discs are rotatably arranged between the symmetrical mounting seats, bidirectional screws are rotatably arranged on the bearing discs, and symmetrical fixing clamps are connected onto the bidirectional screws in a threaded mode.

Preferably, a side wall of a mounting seat is rotatably provided with a worm wheel, a connecting shaft of the worm wheel rotatably penetrates through the mounting seat and is fixedly connected with a bearing disc arranged between the mounting seats, the conical block is provided with a first mounting block on the side wall of the mounting seat, the first mounting block is rotatably connected with a toothed connecting rod, and one side, far away from the first mounting block, of the toothed connecting rod is connected with a worm meshed with the worm wheel.

Preferably, one end of the bidirectional screw is connected with a rocking handle for driving the bidirectional screw to rotate.

Preferably, the opposite sides of the symmetrical fixing clamp are connected with soft cushions.

Preferably, the side of the toothed connecting rod provided with the gear is connected with anti-skid patterns.

Preferably, a baffle is connected to one side wall of the conical block between the adjacent straight-edge clamps through a second mounting block, and the baffle is arranged on the opposite side of the conical block, to which the mounting seat is connected.

Preferably, a protective cover is arranged at the top of the bolt.

The utility model achieves the following beneficial effects: the fixing clamp is driven to move in opposite directions or in opposite directions through rotation of the bidirectional screw rod, so that a workpiece is effectively clamped and fixed; the toothed connecting rod rotates to drive the worm to rotate, the worm wheel is driven to rotate by the worm, and the worm wheel drives the bearing disc to rotate, so that the angle between the workpiece and drilling equipment is flexibly adjusted according to drilling requirements, and the function of accurately punching the special-shaped workpiece is realized.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a base and a slide rail of the present utility model.

Fig. 2 is a schematic perspective view of an arc-shaped clamp and a straight-edge clamp of the utility model.

Fig. 3 is a schematic perspective view of the conical block and the bolt of the utility model.

Fig. 4 is a schematic perspective view of a first mounting block and a toothed connecting rod according to the present utility model.

Fig. 5 is a schematic perspective view of the present utility model.

Fig. 6 is a schematic perspective view of a mounting block and a baffle plate according to the present utility model.

The marks in the drawings are: the device comprises a base, a 101-sliding rail, a 2-arc-shaped clamp, a 3-straight-edge clamp, a 4-conical block, a 5-bolt, a 6-mounting seat, a 7-bearing disc, an 8-worm wheel, a 9-first mounting block, a 91-toothed connecting rod, a 92-worm, a 10-bidirectional screw, a 11-fixed clamp, a 12-rocking handle, a 13-cushion, a 14-anti-skid pattern, a 15-second mounting block, a 151-baffle and a 16-protective cover.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Example 1

As shown in fig. 1-3, a precision mechanical workpiece drilling fixing device comprises a base 1, a slide rail 101, an arc clamp 2, a straight edge clamp 3, a conical block 4, a bolt 5, a mounting seat 6, a bearing plate 7, a bidirectional screw 10 fixing clamp 11, a rocking handle 12 and a soft cushion 13, wherein the slide rail 101 is arranged on the base 1, the arc clamp 2 and the straight edge clamp 3 which are symmetrical are arranged on the base 1 in parallel left and right, wherein the arc clamp 2 is arranged on the left and right sides of the base 1, the straight edge clamp 3 is arranged in the middle of the base 1 and between the arc clamps 2 on the left and right sides, the arc clamp 2 and the straight edge clamp 3 can both slide horizontally along the slide rail 101, the conical block 4 is arranged between the arc clamp 2 and the straight edge clamp 3 adjacent to the arc clamp or between the straight edge clamps 3 adjacent to the arc clamp, the conical block 4 can move up and down along the side wall of the corresponding arc clamp 2 or straight edge clamp 3, the extrusion of the arc clamp 2 or the straight-edge clamp 3 is realized through the lifting motion of the conical block 4, so that the arc clamp 2 or the straight-edge clamp 3 horizontally moves along the sliding rail 101, thereby realizing the function of clamping and fixing a round precise workpiece or a square precise mechanical workpiece, the conical block 4 is movably connected with the base 1 through the bolt 5, the bolt 5 is in threaded connection with the conical block 4, the bolt 5 is in rotary connection with the base 1, the lifting motion of the conical block 4 is realized through the threaded fit of the bolt 5 and the conical block 4, the L-shaped mounting seat 6 which is symmetrical left and right is arranged on the side wall at the front part of the conical block 4, the bearing disc 7 is rotatably arranged between the symmetrical mounting seats 6, the bidirectional screw rod 10 is rotatably arranged on the bearing disc 7, the symmetrical fixing clamp 11 is connected on the bidirectional screw rod 10 in a threaded manner, the opposite sides of the symmetrical fixing clamp 11 are connected with the soft cushion 13, one end of the bi-directional screw 10 is connected with a rocking handle 12 for driving the bi-directional screw 10 to rotate.

As shown in fig. 4, the anti-slip device further comprises a worm wheel 8, a first mounting block 9, a toothed connecting rod 91, a worm 92 and an anti-slip line 14, wherein the worm wheel 8 is rotatably arranged on one side wall of a mounting seat 6, a connecting shaft of the worm wheel 8 rotatably penetrates through the mounting seat 6 and is fixedly connected with a bearing disc 7 arranged between the mounting seats 6, the conical block 4 is provided with the first mounting block 9 on the side wall of the mounting seat 6, the toothed connecting rod 91 is rotatably connected on the first mounting block 9, the worm 92 meshed with the worm wheel 8 is connected on one side, away from the first mounting block 9, of the toothed connecting rod 91, the anti-slip line 14 is connected on one side, provided with a gear, of the toothed connecting rod 91, and the anti-slip line 14 is convenient for rotating the toothed connecting rod 91.

When the drilling machine is used, a user selectively clamps and fixes the workpiece by using the arc clamp 2 or selects the straight-edge clamp 3 according to the structure of the workpiece to be drilled, the lifting function of the conical block 4 is realized by rotating the bolt 5, and the arc clamp 2 or the straight-edge clamp 3 horizontally slides along the sliding rail 101 through the lifting function of the conical block 4, so that the function of clamping and fixing or loosening the workpiece is realized, and convenience is brought to vertical or horizontal drilling of the workpiece; when a special-shaped precise workpiece is required to be punched, the special-shaped workpiece is placed between the fixing clamps 11, the bidirectional screw rod 10 is driven to rotate by rotating the rocking handle 12, so that the fixing clamps 11 move in opposite directions or in opposite directions along the bidirectional screw rod 10, the workpiece is effectively clamped and fixed by the fixing clamps 11, the workpiece and the fixing clamps 11 can be prevented from being rigidly connected by the soft cushion 13, and damage to the workpiece is avoided; after the workpiece is fixed, according to the mechanism of the workpiece or the drilling requirement, the toothed connecting rod 91 is rotated, the toothed connecting rod 91 drives the worm 92 connected with the toothed connecting rod 91 to rotate, the worm 92 drives the worm wheel 8 meshed with the worm 92 to rotate, the worm wheel 8 rotates to drive the bearing disc 7 to rotate by taking the joint of the bearing disc 7 and the mounting seat 6 as the center through the connecting shaft connected with the worm wheel 8, and therefore the workpiece on the bearing disc 7 is driven to rotate, and therefore the angle between the workpiece and the drilling equipment is adjusted according to the structure of the workpiece and the drilling requirement, and the efficient drilling function of the special-shaped precise workpiece is achieved.

Example 2

As shown in fig. 5 to 6, on the basis of embodiment 1, a baffle 151 is further included, a baffle 151 is connected to the rear side wall of the conical block 4 disposed between the adjacent straight-edge clamps 3 through a second mounting block 15, the baffle 151 is slidably matched with the base 1, and the baffle 151 is disposed on the opposite side of the conical block 4 to which the mounting seat 6 is connected.

The baffle 151 can accurately position the workpiece fixed between the straight-edge clamps 3, so that the defect of drilling errors caused by displacement of the workpiece is avoided.

As shown in fig. 6, a protective cover 16 is further included, and the top of the bolt 5 is provided with the protective cover 16.

The provision of the shield 16 provides damage and dust protection for the bolt 5.

The foregoing examples have shown only the preferred embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a precision machinery work piece drilling fixing device, includes base (1), be provided with slide rail (101) on base (1), be provided with arc anchor clamps (2) and straight flange anchor clamps (3) of symmetry on base (1) side by side, arc anchor clamps (2) and straight flange anchor clamps (3) all can follow slide rail (101) horizontal slip, a serial communication port, still including toper piece (4), all be provided with toper piece (4) between arc anchor clamps (2) and its adjacent straight flange anchor clamps (3) or between adjacent straight flange anchor clamps (3) movably, toper piece (4) through bolt (5) with base (1) swing joint, be provided with symmetrical mount pad (6) on one lateral wall that arc anchor clamps (2) or straight flange anchor clamps (3) were kept away from to toper piece (4), rotationally be provided with bearing dish (7) between symmetrical mount pad (6), rotationally be provided with on bidirectional screw (10) threaded connection has symmetry anchor clamps (11).

2. The drilling and fixing device for precision mechanical workpieces according to claim 1, characterized in that a side wall of the installation seat (6) is rotatably provided with a worm wheel (8), a connecting shaft of the worm wheel (8) penetrates through the installation seat (6) in a rotating mode and is fixedly connected with a bearing disc (7) arranged between the installation seats (6), the conical block (4) is provided with a first installation block (9) on the side wall of the installation seat (6), a toothed connecting rod (91) is rotatably connected on the first installation block (9), and a worm (92) meshed with the worm wheel (8) is connected on one side, far away from the first installation block (9), of the toothed connecting rod (91).

3. The drilling and fixing device for the precision mechanical workpiece according to claim 1, wherein one end of the bidirectional screw (10) is connected with a rocking handle (12) for driving the bidirectional screw (10) to rotate.

4. The precision mechanical workpiece drilling fixture as claimed in claim 1, wherein the opposite sides of the symmetrical fixture (11) are connected with cushions (13).

5. The precision mechanical workpiece drilling fixture as recited in claim 2, characterised in that the toothed connecting rod (91) is connected with anti-slip threads (14) on the side provided with the gear.

6. A precision mechanical workpiece drilling fixture according to any one of claims 1-5, characterized in that a baffle plate (151) is connected to one side wall of the conical block (4) arranged between adjacent straight edge clamps (3) through a second mounting block (15), said baffle plate (151) being arranged on the opposite side of the conical block (4) to which the mounting seat (6) is connected.

7. A precision mechanical work piece drill fixing device according to claim 6, characterized in that the top of the bolt (5) is provided with a protective cover (16).