CN210877718U

CN210877718U - Multi-head adjustable fixture for drilling machine

Info

Publication number: CN210877718U
Application number: CN201921602263.4U
Authority: CN
Inventors: 李孝慈; 宗国成; 王华玲; 姜海林; 付鹏; 张夫林; 刘俊良; 贾学芹; 梁项尚; 闫成鹏
Original assignee: Huaiyin Institute of Technology
Current assignee: Huaiyin Institute of Technology
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-30
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses an anchor clamps with adjustable a bull for drilling machine installs in the drilling machine main part, including fixed shell, beam splitter, cardan shaft and drill bit fixing device. A anchor clamps with adjustable a bull for drilling machine, be provided with a plurality of adjustable rotation platforms, every rotates the bench and is provided with slidable sliding stand, rotates platform and sliding stand position through the adjustment, can realize the regulation of a plurality of drill bit positions, once accomplishes the processing of a plurality of hole sites.

Description

Multi-head adjustable fixture for drilling machine

Technical Field

The utility model relates to a drill jig equipment technical field, concretely relates to anchor clamps with adjustable a bull for drilling machine.

Background

Drilling is one of the most commonly used processes in the industrial field, and in actual production life, there are many parts that need to be produced in batches and that need to be machined with at least two holes of different sizes and in different positions. In this case, the conventional drilling machine has many disadvantages, such as troublesome bit replacement, time waste, and reduced work efficiency; the round trip frequently influences the processing precision on the hole. A common drilling machine clamps a drill bit at each time, only completes single-hole machining in one operation, and on non-metal easily-machined parts, the requirement of high efficiency is difficult to meet in the face of machining multiple holes with the same specification or different specifications.

Disclosure of Invention

The utility model provides an above-mentioned defect, provide an anchor clamps with adjustable bull for drilling machine, can carry out the processing to individual drilling simultaneously. The specific technical scheme is as follows:

a multi-head adjustable fixture for drilling machine comprises

The shaft splitter is used for distributing power of a rotating shaft of the drilling machine to multi-shaft output and driving a plurality of drill bits to rotate and comprises a hollow shell consisting of an upper shell and a lower shell, the upper shell and the lower shell are box bodies with opposite openings, the open ends of the upper shell and the lower shell are connected to form a complete hollow shell, the center of the shell is rotatably connected with a driving shaft, at least three driven shafts are distributed around the driving shaft, and the driven shafts and the driving shaft are in meshing transmission through gears; the upper end of the driving shaft is provided with a connector which is connected with a rotating shaft of the drilling machine;

the fixed shell is used for connecting the drilling machine and adjusting the positions of multiple drill bits, the fixed shell comprises a connecting seat and a drill bit fixing device arranged below the connecting seat, the connecting seat is of a cylindrical structure, the shaft splitter is fixed in the connecting seat, an opening at the top end of the connecting seat is sleeved at a non-rotating position above a rotating shaft of the drilling machine, at least three threaded through holes are uniformly distributed in the side wall of the top end of the connecting seat, bolts are screwed into the threaded through holes, and the end parts of the bolts are tightly pressed at the non-rotating position; the bottom of the connecting seat is directly connected with a drill bit fixing device through connection, the drill bit fixing device comprises a drill bit seat with a circular through window in the middle, a sliding groove is formed in the periphery of the inner wall of the drill bit seat, rotating tables with the same number as the driven shaft are arranged in the drill bit seat, one end of each rotating table is connected with the sliding groove in a sliding mode, the other end of each rotating table is connected to a middle fixer in a rotating mode, the middle fixer comprises a middle screw rod and a middle sleeve sleeved outside the middle screw rod, the end of each rotating table is sleeved outside the middle sleeve, two ends of the middle screw rod are respectively sleeved with a gasket and a screwing nut to achieve; each rotating table is provided with a sliding table, the sliding table is connected with the rotating table through a rail, the sliding table slides along a straight line, and the sliding track of the sliding table is in the radial direction of an inner circular window of the drill bit seat;

the universal shaft is used for connecting the driven shaft and the drill bit, the number of the universal shafts is the same as that of the driven shaft, the universal shaft comprises a telescopic rod and universal joints arranged at two ends of the telescopic rod, one end of the universal joint is connected with the driven shaft, and the other end of the universal joint is movably connected with the sliding table and the end of the universal joint is provided with a clamp connected with the drill bit.

As an improvement of the scheme, the rotating platform is of a strip-shaped plate structure, a strip-shaped through groove is formed in the rotating platform, rails are arranged on two sides of the through groove, and the sliding platform is connected to the rails in a sliding mode.

As an improvement of the scheme, bearings are arranged between the driving shaft and the driven shaft and the shaft splitting shell; and a bearing is arranged between the sliding table and the universal joint of the universal shaft.

As an improvement of the scheme, the lower end of the support is provided with an annular seat body, and the drill bit seat is connected with the annular seat body through a connecting rod.

As an improvement of the scheme, the telescopic rod on the universal shaft is a hydraulic telescopic rod.

As an improvement of the scheme, the revolving stage comprises two parallel arrangement's bar shaped plate, and the relative side of two bar shaped plate is provided with protruding track, and bar shaped plate both ends are fixedly connected with in-connection seat and outer connecting seat respectively, the spout swing joint of outer connecting seat and drill bit base inner wall, set up porosely on the in-connection seat, rotate and connect in middle fixer, slide table and bar shaped plate in-orbit sliding connection still are provided with the fixed slot on the bar shaped plate, the fixed slot is the bar and link up the groove, is provided with fixing bolt and passes through the screw thread with the slide table lateral wall after the fixed slot and revolve the closure, and the fixing bolt head is hugged closely bar shaped plate lateral wall and is realized the fixed of slide table.

Compared with the prior art, the utility model adopts the above technical scheme, the technical effect who has is:

1. the utility model discloses a bull adjustable fixture for drilling machine is provided with a plurality of adjustable rotating tables, each rotating table is provided with a slidable sliding table, the adjustment of a plurality of drill bit positions can be realized by adjusting the positions of the rotating tables and the sliding tables, and the processing of a plurality of hole sites can be completed at one time;

2. the utility model discloses a bull adjustable fixture for drilling machine, every drill bit passes through the cardan shaft transmission power, and the cardan shaft main part is hydraulic telescoping rod, and length itself is adjustable, in the drill bit position control process, can guarantee that every drill bit height is unified;

3. the utility model discloses an anchor clamps with adjustable a bull for drilling machine, convenient to use, can be simple and easy quick install and dismantle with the drilling machine.

Drawings

FIG. 1 is a schematic structural view of a multi-head adjustable clamp for a drilling machine;

FIG. 2 is a schematic structural view of the shaft splitter;

FIG. 3 is a schematic structural view of a main shaft of the shaft splitter in a sectional view;

FIG. 4 is a schematic cross-sectional view of the connection structure in the shaft splitter;

FIG. 5 is a schematic view of the structure of the fixed shell;

FIG. 6 is a first schematic view of the drill fixing device;

FIG. 7 is a schematic structural view of the drill bit fixing device;

FIG. 8 is a schematic diagram of the structure of the cardan shaft joint;

FIG. 9 is a schematic structural view of the rotating table and the sliding table;

reference numerals: 1. a drilling machine main body; 2. fixing the housing; 3. a cardan shaft; 4. a drill bit fixing device; 5. a driven shaft A; 6. a drive shaft; 7. a driven shaft B; 8. a driven shaft C; 9. an upper housing; 10. a lower housing; 11. a bearing A; 12. a driving gear; 13. a driven gear; 14. a connecting seat; 15. connecting a bracket; 16. a middle holder; 17. a sliding table; 18. a rotating table; 19. a bearing B; 20. a connecting rod; 21. an angular chute; 22. an intermediate sleeve; 23. a middle screw; 24. a hydraulic telescopic rod; 25. a universal joint; 26. an inner connection seat; 27. an outer connecting base; 28. fixing grooves; 29. and (5) fixing the bolt.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout.

As shown in figure 1, the multi-head adjustable clamp for the drilling machine is arranged on a drilling machine main body 1 and comprises a fixed shell 2, a shaft splitter, a universal shaft 3 and a drill bit fixing device 4.

As shown in fig. 2-4, the shaft splitter is used for distributing the power of the rotating shaft of the drilling machine to a multi-shaft output to drive a plurality of drill bits to rotate. The shaft separator comprises a hollow shell consisting of an upper shell 9 and a lower shell 10, the upper shell 9 and the lower shell 10 are box bodies with opposite openings, the open ends of the upper shell 9 and the lower shell 10 are connected to form the complete hollow shell, the center of the shell is rotatably connected with a driving shaft 6, and three driven shafts, namely a driven shaft A5, a driven shaft B7 and a driven shaft C8, are distributed around the driving shaft 6. The driven shaft and the driving shaft 6 are in meshing transmission through a gear; the upper end of the driving shaft 6 is provided with a connector connected with a rotating shaft of the drilling machine.

The fixed housing 2 is shown in fig. 5 for connecting the drill press and adjusting the position of the multiple bits. Fixed shell 2 includes connecting seat 14 and the drill bit fixing device 4 of setting in connecting seat 14 below, and connecting seat 14 is cylindric structure, and the minute axle ware is fixed in connecting seat 14, and the opening cover in connecting seat 14 top is in drilling machine pivot top non-rotating position, and connecting seat 14 top lateral wall evenly distributed has 4 screw through-holes, and the bolt screw in screw through-hole, and the tip sticiss drilling machine pivot top non-rotating position and realize the fixed of connecting seat 14, connecting seat 14 bottom is through connecting lug connection drill bit fixing device 4.

As shown in fig. 6, the drill fixing device 4 includes a drill base having a circular through window in the middle, and an annular base is disposed at the lower end of the support, and the drill base is connected to the annular base through a connecting rod 20. A sliding groove is formed in the periphery of the inner wall of the drill bit seat, the number of rotating tables 18 equal to that of the driven shaft are arranged in the drill bit seat, one end of each rotating table 18 is connected with the sliding groove in a sliding mode, the other end of each rotating table is connected to the middle fixing device 16 in a rotating mode, each middle fixing device 16 comprises a middle screw 23 and a middle sleeve 22 sleeved outside the middle screw 23, the end portion of each rotating table 18 is sleeved outside the middle sleeve 22, two ends of each middle screw 23 are respectively sleeved with a gasket and a screwing nut to achieve fixing, and the middle screw 23 is coaxial with; each rotating table 18 is provided with a sliding table 17, the sliding table 17 is connected with the rotating table 18 through a rail, the sliding table 17 slides along a straight line, and the sliding track of the sliding table 17 is in the radial direction of an inner circular window of a drill bit seat; the rotating table 18 is of a strip-shaped plate-shaped structure, a strip-shaped through groove is formed in the rotating table 18, rails are arranged on two sides of the through groove, and the sliding table 17 is connected to the rails in a sliding mode.

As shown in fig. 8, the universal shaft 3 is used for connecting the driven shaft and the drill bit, the number of the universal shafts 3 is the same as that of the driven shaft, the universal shaft 3 comprises a telescopic rod and universal joints 25 arranged at two ends of the telescopic rod, one end of the universal joint 25 is connected with the driven shaft, the other end of the universal joint 25 is movably connected to the sliding table 17, and the end of the universal joint 25 is provided with a fixture connected with the drill bit. The telescopic rod on the universal shaft 3 is a hydraulic telescopic rod 24.

Bearings are arranged between the driving shaft 6, the driven shaft and the split shaft shell; a bearing is provided between the slide table 17 and the universal joint 25 of the universal shaft 3.

The specific structure of the rotating table 18 is shown in fig. 9, the rotating table 18 is composed of two strip-shaped plates arranged in parallel, the opposite side surfaces of the two strip-shaped plates are provided with protruded rails, the two ends of the strip-shaped plates are respectively and fixedly connected with an inner connecting seat 26 and an outer connecting seat 27, and the outer connecting seat 27 is movably connected with a sliding chute on the inner wall of the drill bit seat; be provided with the hole on the in-connection seat 26, rotate and connect in middle fixer 16, slide table 17 and strip shaped plate inner rail sliding connection, still be provided with fixed slot 28 on the strip shaped plate, fixed slot 28 is the bar through the groove, be provided with that fixing bolt 29 passes behind fixed slot 28 and pass through the screw thread with slide table 17 lateral wall and close soon, fixing bolt 29 head is hugged closely strip shaped plate lateral wall and is realized the fixed of slide table 17, when the in-service use, can be with slide table 17 and two parallel strip shaped plate on the track connection back, with in-connection seat 26 and outer connecting seat 27 and strip shaped plate welded fastening.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention.

Claims

1. A multi-head adjustable clamp for a drilling machine is characterized by comprising

2. The adjustable fixture for multiple heads of drilling machines as claimed in claim 1, wherein the rotating table is a strip-shaped plate structure, a strip-shaped through slot is arranged in the rotating table, rails are arranged on two sides of the through slot, and the sliding table is slidably connected to the rails.

3. The adjustable clamp for multiple heads of a drilling machine as claimed in claim 2, wherein bearings are arranged between the driving shaft and the driven shaft and the split shaft shell; and a bearing is arranged between the sliding table and the universal joint of the universal shaft.

4. The adjustable clamp for multiple heads of a drilling machine according to claim 1, wherein the lower end of the bracket is provided with an annular seat body, and the drill head seat is connected with the annular seat body through a connecting rod.

5. The adjustable clamp for multiple heads of a drilling machine as claimed in claim 1, wherein the telescopic rod on the universal shaft is a hydraulic telescopic rod.

6. The multi-head adjustable clamp for the drilling machine as claimed in claim 2, wherein the rotating table is composed of two strip-shaped plates arranged in parallel, opposite sides of the two strip-shaped plates are provided with protruded rails, two ends of the strip-shaped plate are respectively fixedly connected with an inner connecting seat and an outer connecting seat, the outer connecting seat is movably connected with a sliding groove of the inner wall of the drill bit seat, the inner connecting seat is provided with a hole, the inner connecting seat is rotatably connected with a middle fixer, the sliding table is slidably connected with the rails in the strip-shaped plates, the strip-shaped plate is further provided with a fixing groove, the fixing groove is a strip-shaped through groove, a fixing bolt is arranged to penetrate through the fixing groove and then is screwed with the side wall of the sliding table through a thread, and the head of the fixing.