CN215748000U - C type return bend inboard drilling chasing bar - Google Patents
C type return bend inboard drilling chasing bar Download PDFInfo
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- CN215748000U CN215748000U CN202120639003.5U CN202120639003U CN215748000U CN 215748000 U CN215748000 U CN 215748000U CN 202120639003 U CN202120639003 U CN 202120639003U CN 215748000 U CN215748000 U CN 215748000U
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- milling machine
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- belt pulley
- output shaft
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Abstract
The utility model discloses a side thread processingequipment in C type return bend, including the drilling and milling machine, the drilling and milling machine main shaft of drilling and milling machine is connected with power output shaft's upper end, install the fixed cover on the drilling and milling machine main shaft sleeve, power output shaft passes through deep groove ball bearing and is connected with the installation of fixed cover, the lower extreme of fixed cover is installed and is extended the axle supporting rack, one end of extending the axle supporting rack extends to one side of drilling and milling machine main shaft, and this end installs the chuck fixing base, the lower extreme of output shaft is connected with the belt lace wheel, the belt lace wheel is connected with big belt pulley transmission, install drill chuck dabber on the big belt pulley, install the drill chuck below the drill chuck dabber, the below of extending the axle supporting rack is equipped with the fixing base, fixedly mounted workpiece positioning clamping device on the fixing base; through reforming into traditional milling and drilling machine special to the inboard drilling and tapping device of C type return bend, effectively guarantee the position degree of screw processing, reduce operation workman's working strength.
Description
Technical Field
The utility model relates to the technical field of bent pipe machining, in particular to a C-shaped bent pipe inner side drilling and tapping device.
Background
Most faucet water nozzles adopt C-shaped structures, and threads are designed on the inner sides of the bent pipes according to the structural requirements. Before, this type product adopts manual processing mostly, and screw position and size are difficult to guarantee and intensity of labour is big, and is efficient. If the special machine is adopted to process the defects of high cost, inadaptability to product change and the like, if the traditional drilling and milling machine with low cost is adopted to directly process, the C-shaped bent pipe has a special structure and can interfere with the main shaft of the drilling and milling machine, so that the processing is difficult. Therefore, a novel C-shaped bent pipe inner side thread machining device which is arranged on a simple drilling and milling machine is designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of utility model is to above-mentioned defect, design a novel inboard screw thread processing of C type return bend device to solve the difficult problem of the inboard screw thread processing of C type return bend.
The technical purpose of the utility model is realized by the following technical scheme:
the utility model provides an inboard screw thread processingequipment of C type return bend, includes the milling and drilling machine, the milling and drilling machine main shaft of milling and drilling machine is connected with power output shaft's upper end, installs fixed cover through three screws on the milling and drilling machine spindle sleeve, power output shaft's bottom is passed the through-hole on the fixed cover and is extended to the opposite side, and power output shaft passes through first installation connection of deep groove ball bearing and fixed cover, first deep groove ball bearing is fixed through bearing baffle and two installations of screw, the lower extreme of fixed cover is installed through first screw and is extended the axle supporting rack, the one end of extending the axle supporting rack extends to one side of milling and drilling machine main shaft, and this end has the chuck fixing base through locking bolt fixed mounting, the lower extreme of output shaft passes through parallel key and belt pulley connection, the belt pulley passes through the belt and is connected with big belt pulley transmission, big belt pulley passes through jump ring and installs on the chuck fixing base with second deep groove ball bearing, the novel belt pulley is characterized in that a drill chuck mandrel is installed on the large belt pulley through a flush joint screw, a drill chuck is installed below the drill chuck mandrel, a fixed seat is arranged below the extension shaft supporting frame, a workpiece positioning and clamping device is fixedly installed on the fixed seat, and a workpiece is installed on the workpiece positioning and clamping device.
Furthermore, the workpiece positioning and clamping device is of an L-shaped plate-shaped structure, one side of the workpiece positioning and clamping device of the L-shaped plate-shaped structure is fixed on the fixed seat, and the other side of the workpiece positioning and clamping device is provided with an elastic inward expansion structure for clamping workpieces.
Furthermore, the extension shaft support is provided with an in-notch, two sides of the chuck fixing seat are provided with four waist grooves, and the chuck fixing seat is matched with the four waist grooves through locking bolts and is installed on the extension shaft support.
Furthermore, a protective cover is arranged below the extension shaft supporting frame and covers the small belt pulley, the belt and the large belt pulley.
Furthermore, the fixed seat is provided with a guide rod, and the protective cover and the extension shaft support are provided with positioning holes for the guide rod to pass through.
In conclusion, the utility model has the following beneficial effects:
according to the utility model, the traditional drilling and milling machine is modified into the special drilling and tapping device for the inner side of the C-shaped bent pipe, so that the processing position of the screw hole is effectively ensured, the working strength of an operator is reduced, and the problem that the C-shaped bent pipe is directly processed by the traditional drilling and milling machine and interferes with the main shaft is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the utility model;
fig. 2 is an enlarged schematic view of the structure at a in the utility model.
In the figure, 1, a power output shaft; 2. a small belt pulley; 3. a protective cover; 4. a flat bond; 5. a first deep groove bearing; 6. screws I and 7 and screws II; 8. a third screw; 9. a fixed sleeve, 10 and a bearing baffle; 11. a retainer ring; 12. a guide bar; 13. an extension shaft support bracket, 14, a flush joint screw; 15. a snap ring; 16. a second deep groove bearing; 17. a drill chuck mandrel; 18. a belt; 19. a large belt pulley; 20. a drill chuck; 21. a workpiece; 22. a workpiece positioning and clamping device; 23. a fixed seat; 24. a chuck fixing seat; 25. and locking the bolt.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Shown by figure 1, an inboard screw thread processingequipment of C type return bend, including the milling and drilling machine, the milling and drilling machine main shaft of milling and drilling machine is connected with power output shaft 1's upper end, installs fixed cover 9 through three 8 screws on the milling and drilling machine spindle sleeve, power output shaft 1's bottom is passed the through-hole on the fixed cover 9 and is extended to the opposite side, and power output shaft 1 passes through deep groove ball bearing 5 and fixed cover 9's erection joint, deep groove ball bearing 5 is fixed through bearing baffle 10 and two 7 installations of screw, the lower extreme of fixed cover 9 installs extension axle supporting rack 13 through one 6 screws, the one end of extension axle supporting rack 13 extends to one side of milling and drilling machine main shaft, and this end has chuck fixing base 24 through locking bolt 25 fixed mounting, states the lower extreme of output shaft 1 and is connected with belt lace wheel 3 through parallel key 4, belt wheel 3 passes through belt 18 and is connected with big belt pulley 19 transmission, the large belt pulley 19 is installed on a chuck fixing seat 24 through a clamp spring 15 and a deep groove ball bearing II 16, a drill chuck mandrel 17 is installed on the large belt pulley 19 through a seam aligning screw 14, a drill chuck 20 is installed below the drill chuck mandrel 17, a fixing seat 23 is arranged below the extension shaft supporting frame 13, a workpiece positioning and clamping device 22 is fixedly installed on the fixing seat 23, and a workpiece 21 is installed on the workpiece positioning and clamping device 22.
Further, the workpiece positioning and clamping device 22 is an L-shaped plate-shaped structure, one side of the L-shaped plate-shaped workpiece positioning and clamping device 22 is fixed on the fixing seat 23, and the other side is provided with a three-jaw chuck structure for clamping the workpiece 21.
As shown in fig. 2, further, the extension shaft support frame 13 is provided with an in-notch, two sides of the chuck fixing seat 24 are provided with four waist grooves, and the chuck fixing seat 24 is mounted on the extension shaft support frame 13 by the locking bolts 25 and the four waist grooves; thereby conveniently adjust the position of chuck fixing base and adjust the belt elasticity to fix with 4 bolts 25.
Further, a protective cover 3 is installed below the extension shaft support 13, and the protective cover 3 covers the small belt pulley 2, the belt 18 and the large belt pulley 19.
Furthermore, the fixing seat 23 is provided with a guide rod 17, and the protective cover 3 and the extension shaft support 13 are provided with positioning holes for the guide rod 17 to pass through.
In summary, the working principle of the utility model is as follows: the power source of the main shaft extends outwards to a proper position in parallel to machine the inner side hole or the thread of the bent piece. And the structure is compact and simple, the operation is convenient, and the belt transmission noise is low. The method comprises the steps of fixing a thread machining device on the inner side of the C-shaped bent pipe on a machine tool spindle and a workbench, adjusting and installing a workpiece positioning device, selecting a proper drill bit or screw tap to clamp in a drill chuck, starting the machine tool spindle and enabling the spindle to move downwards, and machining a side hole or a thread in the C-shaped bent pipe under the guidance of a guide rod. While setting the bottom dead center of the machine tool to control the hole or thread depth.
Claims (5)
1. The utility model provides an inboard drilling and tapping device of C type return bend, includes the drilling and milling machine, its characterized in that, the drilling and milling machine main shaft of drilling and milling machine is connected with the upper end of power output shaft (1), installs fixed cover (9) through three (8) screws on the drilling and milling machine spindle sleeve, the through-hole that fixed cover (9) were passed to the bottom of power output shaft (1) extends to the opposite side, and power output shaft (1) passes through the erection joint of deep groove ball bearing (5) and fixed cover (9), deep groove ball bearing (5) are fixed through bearing baffle (10) and two (7) installations of screw, the lower extreme of fixed cover (9) is installed through screw (6) and is extended axle supporting rack (13), the one end that extends axle supporting rack (13) extends to one side of drilling and milling machine main shaft, and this end has chuck fixing base (24) through locking bolt (25) fixed mounting, the lower extreme of power output shaft (1) is connected with belt lace wheel (2) through parallel key (4), belt lace wheel (2) are connected with big belt pulley (19) transmission through belt (18), big belt pulley (19) are installed on chuck fixing base (24) through jump ring (15) and deep groove ball bearing two (16), drill chuck dabber (17) are installed through flush joint screw (14) on big belt pulley (19), drill chuck (20) are installed to drill chuck dabber (17) below, the below that extends axle supporting rack (13) is equipped with fixing base (23), fixed mounting has work piece location clamping device (22) on fixing base (23), install work piece (21) on work piece location clamping device (22).
2. The inside drilling and tapping device for C-shaped elbows according to claim 1, wherein: the workpiece positioning and clamping device (22) is of an L-shaped plate-shaped structure, one side of the workpiece positioning and clamping device (22) of the L-shaped plate-shaped structure is fixed on the fixed seat (23), and the other side of the workpiece positioning and clamping device is provided with a three-jaw chuck structure for clamping a workpiece (21).
3. The inside drilling and tapping device for C-shaped elbows according to claim 2, wherein: the extension shaft supporting frame (13) is provided with an in-notch, two sides of the chuck fixing seat (24) are provided with four waist grooves, and the chuck fixing seat (24) is matched with the four waist grooves through locking bolts (25) and is arranged on the extension shaft supporting frame (13).
4. The C-shaped elbow inside drilling and tapping device according to claim 3, wherein: the protection cover (3) is installed below the extension shaft supporting frame (13), and the protection cover (3) covers the outer portions of the small belt pulley (2), the belt (18) and the large belt pulley (19).
5. The C-shaped elbow inside drilling and tapping device according to claim 4, wherein: the fixed seat (23) is provided with a guide rod (12), and the protective cover (3) and the extension shaft support frame (13) are provided with positioning holes for the guide rod (12) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120639003.5U CN215748000U (en) | 2021-03-30 | 2021-03-30 | C type return bend inboard drilling chasing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120639003.5U CN215748000U (en) | 2021-03-30 | 2021-03-30 | C type return bend inboard drilling chasing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215748000U true CN215748000U (en) | 2022-02-08 |
Family
ID=80094345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120639003.5U Active CN215748000U (en) | 2021-03-30 | 2021-03-30 | C type return bend inboard drilling chasing bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215748000U (en) |
-
2021
- 2021-03-30 CN CN202120639003.5U patent/CN215748000U/en active Active
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