CN215615295U

CN215615295U - Drilling machine for gear beneficial to improving machining precision

Info

Publication number: CN215615295U
Application number: CN202122372951.XU
Authority: CN
Inventors: 顾家豪
Original assignee: Nantong Kaixi Electromechanical Tools Co ltd
Current assignee: Nantong Kaixi Electromechanical Tools Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-01-25
Anticipated expiration: 2031-09-28

Abstract

The application relates to the technical field of drilling machines, in particular to a drilling machine for gears, which is beneficial to improving the machining precision and comprises a headstock, a support frame and a drill floor which are sequentially connected from top to bottom, wherein the headstock is sleeved with a headstock, the support frame is symmetrically arranged at two ends of the drill floor and the headstock, the headstock comprises a driving mechanism at the upper end, a drilling mechanism at the lower part and a telescopic device for connecting the drilling mechanism and the headstock, and the driving mechanism comprises a gear roller, an auxiliary roller and a driving motor for driving the gear roller; the top of the headstock is provided with a belt groove matched with the driving mechanism; the drilling mechanism comprises an installation frame and a working motor, wherein the working motor is installed on the installation frame, an output shaft of the working motor penetrates through the installation frame, gears sleeved on the output shaft of the working motor and surrounding gears distributed around the installation frame in an annular mode are arranged in the installation frame, a rotating shaft sleeved with the surrounding gears penetrates through the bottom of the installation frame, and a drill bit clamp is fixedly connected to the bottom of the rotating shaft. This application can effectual machining efficiency and the machining precision who improves the drilling machine.

Description

Drilling machine for gear beneficial to improving machining precision

Technical Field

The application relates to the technical field of drilling machines, in particular to a drilling machine for gears, which is beneficial to improving machining precision.

Background

The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. Typically the drill bit is rotated into a primary motion and the drill bit is moved axially into a feed motion. The drilling machine is simple in structure, relatively low in machining precision, capable of drilling through holes and blind holes, replacing special cutters, and capable of expanding, reaming or tapping and the like. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates (main motion). The drilling machine is characterized in that a workpiece is fixed and a cutter does rotary motion.

Present chinese patent CN210435404U discloses an upright drill machine for improving machining precision, which comprises a workbench, the equal fixedly connected with bracing piece in both sides at workstation top, the top fixedly connected with loading board of bracing piece, the bottom fixedly connected with fixed column of loading board, the bottom fixedly connected with fixed plate of fixed column, the first motor of inner chamber fixedly connected with of fixed plate, the output of first motor run through to the first gear of one side and fixedly connected with of fixed plate, the surface toothing of first gear has the chain. According to the utility model, through the matched use of the workbench, the supporting rod, the bearing plate, the fixing column, the fixing plate, the first motor, the first gear, the chain, the second gear, the third gear, the moving rod, the hydraulic telescopic rod and the second motor, the upright drilling machine has the advantage of automatic transverse side-by-side punching, so that the processing precision of the upright drilling machine can be better improved, the processing time is better saved, and the use requirements of people are better met.

In view of the above-mentioned related art, the inventor thinks that the rotation of the gear is driven by the rotation of the motor in the prior art, and the movement with the drilling equipment is controlled by the chain, so as to achieve the requirement of accurately adjusting the drilling precision, but the chain for driving can limit the precision due to the transmission of the gear and the chain, the self weight of the motor on the drill bit can also influence the transmission precision of the gear and the chain, and in the machining process of the gear, the drilling machine of a single drill bit can not meet the requirement of drilling with multiple holes on the gear and high precision.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem that exists among the prior art, this application provides a drilling machine for gear that is favorable to improving machining precision.

The application provides a drilling machine for gear that is favorable to improving machining precision adopts following technical scheme:

a drilling machine for gears beneficial to improving machining precision comprises a headstock, a support frame and a drill floor which are sequentially connected from top to bottom, wherein the headstock is sleeved with a spindle box, the support frame is symmetrically arranged at two ends of the drill floor and the headstock, the spindle box comprises a driving mechanism at the upper end, a drilling mechanism at the lower part and a telescopic device for connecting the drilling mechanism and the headstock, and the driving mechanism comprises a gear roller, an auxiliary roller and a driving motor for driving the gear roller; the top of the headstock is provided with a belt groove matched with the driving mechanism; the drilling mechanism comprises an installation frame and a working motor, wherein the working motor is installed on the installation frame, an output shaft of the working motor penetrates through the installation frame, a gear sleeved on the output shaft of the working motor and peripheral gears annularly distributed around the gear are arranged in the installation frame, a rotating shaft sleeved with the peripheral gears penetrates through the bottom of the installation frame, and a drill bit clamp is fixedly connected to the bottom of the rotating shaft; an operation table is slidably mounted on the drill floor and is arranged at the bottom of the spindle box.

Through adopting above-mentioned technical scheme, installation headstock is used for processing the drilling to the last work piece of placing at the rig floor on the headstock, and the support frame symmetry on the rig floor is installed to prop up the headstock, make actuating mechanism in the headstock of installation of headstock can control the headstock and remove on the headstock, thereby satisfy the drilling demand of work piece different positions, telescoping device and drilling mechanism on the headstock are responsible for carrying out the drilling operation. The driving device adopts a driving motor to drive the gear roller to move on the headstock, and the auxiliary rollers on two sides of the gear roller can assist the displacement between the headstock and the headstock, reduce the connecting resistance between the headstock and the headstock, and ensure the accuracy of the position adjustment of the headstock. The peripheral gear in the mounting frame is driven to rotate by the working motor in the drilling mechanism of the main spindle box, so that the rotation of the output of a single motor is converted into the simultaneous working of a plurality of drill bits through the rotation of the gear, and the drill bits are clamped by the drill bit clamps at the bottom of the rotating shaft to work. The drill floor is provided with the operating platform in a sliding mode, the operating platform is used for fixing workpieces needing drilling, the sliding rail is arranged at the bottom of the operating platform, the workpieces can be moved to replace unprocessed workpieces through the operating platform after being processed, the processed workpieces are moved to the side edge, and therefore drilling efficiency and accuracy are greatly improved.

Preferably, both ends and the center of a gear roller in the driving mechanism are provided with transmission gears, auxiliary rollers are symmetrically arranged on both sides of the gear roller, the gear roller and the auxiliary rollers are rotatably connected with the spindle box through both ends, and the gear roller and the auxiliary rollers are positioned on the same horizontal plane.

By adopting the technical scheme, the transmission gear at the center of the gear roller is used for being meshed with the output shaft of the driving motor to provide power for the whole gear roller, and the transmission gears at the two ends of the gear roller are in charge of transmission with the headstock and movement of the headstock through rotation of the transmission gears. And the auxiliary rollers are arranged on two sides of the gear roller and are positioned on the same horizontal plane, so that the resistance generated when the main shaft box and the head frame move relatively can be reduced, and the adjusting precision is improved.

Preferably, the belt grooves on the top of the headstock comprise a middle platform in the groove body and gear belt grooves on two sides of the platform, and a cavity matched with a transmission gear in the center of the gear roller is arranged in the middle platform.

Through adopting above-mentioned technical scheme, the trough of belt and the headstock adaptation that the top of headstock set up, the trough of belt's middle platform adaptation auxiliary roller, the gear trough of middle platform both sides can with the drive gear meshing at gear roller both ends to still be equipped with the cavity that corresponds with the drive gear at gear roller center on the middle platform, can let the headstock pass through driving motor's effect and remove on the headstock, realize the regulation to the drilling position.

Preferably, the inner bottom surface of the spindle box is provided with a bulge matched with the bottom of the head frame, the bulge is provided with a roller, and the roller is matched with the groove in the bottom of the head frame.

Through adopting above-mentioned technical scheme, be equipped with the arch on the interior bottom surface of headstock, install the gyro wheel on the arch, the recess of headstock bottom is joined in marriage in the design of arch and gyro wheel, can improve the stability of headstock on the headstock to reduce the resistance that the headstock received in the process of removing, improved the precision that the headstock was adjusted.

Preferably, the top of the operating platform is provided with a scrap collecting bin, and the inner side surface of the scrap collecting bin is provided with a gear clamp which comprises a gear groove and an adjusting bolt.

Through adopting above-mentioned technical scheme, the gear jig of the collection bits storehouse medial surface at operation panel top is used for carrying out the centre gripping to placing the work piece wherein, places the work piece in the gear groove and fix through adjusting bolt, guarantees the fixed stability of work piece, guarantees the quality of drilling.

Preferably, the height of the gear groove is larger than the bottom surface of the scrap collecting bin, an upper clamping plate in the gear groove is in sliding connection with the inner side surface of the operating platform, and one end, far away from the side surface of the operating platform, of the upper clamping plate is fixed through an adjusting bolt.

Through adopting above-mentioned technical scheme, the gear recess highly is greater than the bottom surface in collection bits storehouse to the work piece is not directly laminated to the bottom surface in collection bits storehouse, can the piece that produces in the cell-phone work piece processing drilling process in the collection bits storehouse, has made things convenient for the medial surface sliding connection who collects and clear up punch holder in the gear recess and operation panel, and fix through adjusting bolt on the punch holder, has realized the function to the installation of work piece and dismantlement.

Preferably, a gear belt is arranged on the bottom surface of the operating platform, a speed reduction motor is installed on the drilling platform corresponding to the gear belt, and the driving motor is arranged in the groove.

Through adopting above-mentioned technical scheme, the gear area that is equipped with on the operation panel bottom drives through the gear motor in the drilling machine recess, has realized the reciprocating motion of operation panel on the drilling machine, satisfies the work piece and installs, punches and each step of dismantling, has improved the drilling efficiency of work piece greatly.

Preferably, the bottom of the operating platform is further provided with sliding protrusions which are symmetrically distributed on two sides of the gear belt, the length of each sliding protrusion is equal to that of the operating platform, and the drilling platform is provided with a sliding groove matched with the sliding protrusions.

By adopting the technical scheme, the bottom of the operating platform is provided with the sliding protrusions which are symmetrically distributed, when the speed reduction motor drives the operating platform to do reciprocating motion, the sliding protrusions can slide in the sliding grooves in the drill floor, and the operating platform is effectively prevented from deviating in the motion process.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the peripheral gears are driven to rotate by a single motor in the main shaft box, so that a plurality of drill bits can work simultaneously, and the precision between holes in a machined workpiece is effectively improved;

2. the operation table arranged on the drill floor not only can realize the mounting and dismounting of the machined workpiece through reciprocating motion, but also can effectively collect the generated scraps by the adopted scrap collecting bin, thereby facilitating the cleaning of the scraps of the drill press;

3. a spindle box in the drilling machine moves on the spindle frame through an internal driving mechanism, a movable operating platform is arranged on the drilling platform, bidirectional adjustment of drilling equipment and workpieces is achieved, drilling efficiency is higher, transmission is achieved by means of gears and gear belts, adjustment errors are greatly reduced, and machining accuracy is improved.

Drawings

FIG. 1 is a schematic view showing the overall structure of a gear drilling machine which is advantageous in improving machining accuracy;

FIG. 2 is a schematic view of the connection of a drive and a groove in a gear drilling machine which is advantageous in improving machining accuracy;

fig. 3 is a schematic view of the overall structure of a main spindle box of a gear drilling machine, which is beneficial to improving the machining precision.

Description of reference numerals: 1. a head frame; 11. a belt groove is formed; 111. an intermediate platform; 112. a gear belt groove is formed; 113. a cavity; 2. a support frame; 3. a drill floor; 31. an operation table; 311. a sliding projection; 312. a scrap collecting bin; 313. a gear clamp; 3131. a gear groove; 3132. an upper splint; 3133. adjusting the bolt; 314. a gear belt; 32. a reduction motor; 33. a sliding groove; 4. a main spindle box; 41. a drive mechanism; 411. a gear roll; 412. an auxiliary roller; 413. a drive motor; 414. a transmission gear; 42. a drilling mechanism; 421. a mounting frame; 422. a working motor; 423. a peripheral gear; 424. a bit holder; 43. a telescoping device; 44. a protrusion; 441. and a roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a drilling machine for gear that is favorable to improving machining precision.

Referring to fig. 1, 2 and 3, a drilling machine for gears beneficial to improving machining accuracy includes a headstock 1, a support frame 2 and a drill floor 3 which are sequentially connected from top to bottom, wherein the headstock 1 is sleeved with a headstock 4, the support frame 2 is symmetrically installed at two ends of the drill floor 3 and the headstock 1, the headstock 4 includes a driving mechanism 41 at the upper end, a drilling mechanism 42 at the lower part and a telescopic device 43 for connecting the two, the driving mechanism 41 includes gear rollers 411, auxiliary rollers 412 and a driving motor 413 for driving the gear rollers 411; the top of the headstock 1 is provided with a belt groove 11 matched with the driving mechanism 41; the drilling mechanism 42 comprises a mounting frame 421 and a working motor 422, wherein the working motor 422 is mounted on the mounting frame 421, an output shaft of the working motor 422 penetrates through the mounting frame 421, the mounting frame 421 comprises a gear sleeved on the output shaft of the working motor 422 and peripheral gears 423 annularly distributed around the gear, a rotating shaft sleeved with the peripheral gears 423 penetrates through the bottom of the mounting frame 421, and the bottom of the rotating shaft is fixedly connected with a drill bit clamp 424; an operation table 31 is slidably mounted on the drill floor 3, and the operation table 31 is provided at the bottom of the headstock 4. The headstock 1 is provided with the headstock 4 for processing and drilling an upper workpiece placed on the drill floor 3, the support frame 2 on the drill floor 3 is symmetrically arranged and supports the headstock 1, so that the headstock 4 can be controlled by the driving mechanism 41 in the headstock 4 arranged on the headstock 1 to move on the headstock 1, thereby meeting the drilling requirements of different positions of the workpiece, and the telescopic device 43 and the drilling mechanism 42 on the headstock 4 are responsible for drilling operation. In the driving device, a driving motor 413 is adopted to drive a gear roller 411 to move on the headstock 1, and auxiliary rollers 412 on two sides of the gear roller 411 can assist the displacement between the headstock 4 and the headstock 1, reduce the connection resistance between the headstock 4 and the headstock, and ensure the accuracy of the position adjustment of the headstock 4. The peripheral gear 423 in the mounting frame 421 is driven to rotate by the working motor 422 in the drilling mechanism 42 of the spindle head 4, so that the rotation of the output of the single motor is converted into simultaneous working of a plurality of bits by the rotation of the gear, and the bits are held by the bit holder 424 at the bottom of the rotating shaft to work. The operation table 31 is arranged on the drill floor 3 in a sliding mode, the operation table 31 is used for fixing workpieces needing drilling, and the sliding rails arranged at the bottom of the operation table 31 can enable the workpieces to be machined and then replace unmachined workpieces through the movement of the operation table 31, so that the machined workpieces can be moved to the side edge, and the drilling efficiency and precision are greatly improved.

Referring to fig. 1 and 2, transmission gears 414 are installed at both ends and the center of a gear roller 411 in the driving mechanism 41, auxiliary rollers 412 are symmetrically installed at both sides of the gear roller 411, and the gear roller 411 and the auxiliary rollers 412 are rotatably connected with the headstock 4 through both ends, wherein the gear roller 411 and the auxiliary rollers 412 are located on the same horizontal plane. The transmission gear 414 at the center of the gear roller 411 is engaged with the output shaft of the driving motor 413 to provide power for the whole gear roller 411, and the transmission gears 414 at the two ends of the gear roller 411 are responsible for transmission with the headstock 1 and for realizing the movement of the headstock 4 on the headstock 1 through rotation of the transmission gears. And the auxiliary rollers 412 are installed at both sides of the gear roller 411 and on the same horizontal plane as the gear roller, so that resistance when a relative motion occurs between the headstock 4 and the headstock 1 can be reduced, thereby improving the accuracy of adjustment.

Referring to fig. 1 and 2, the belt slot 11 on the top of the headstock 1 includes an intermediate platform 111 inside the slot body and gear belt slots 112 on both sides of the platform, and a cavity 113 is provided in the intermediate platform 111 to fit a transmission gear 414 at the center of a gear roller 411. The top of headstock 1 sets up the trough of belt 11 and headstock 4 adaptation, the middle platform 111 adaptation auxiliary roller 412 of trough of belt 11, the gear trough of belt 112 of middle platform 111 both sides can mesh with the drive gear 414 at gear roller 411 both ends to still be equipped with the cavity 113 that corresponds with the drive gear 414 at gear roller 411 center on the middle platform 111, can let headstock 4 move on headstock 1 through the effect of driving motor 413, realize the regulation to the drilling position.

Referring to fig. 1 and 3, a protrusion 44 adapted to the bottom of the headstock 1 is disposed on the inner bottom surface of the headstock 4, and a roller 441 is mounted on the protrusion 44, and the roller 441 is adapted to a groove at the bottom of the headstock 1. The inner bottom surface of the spindle box 4 is provided with the bulge 44, the roller 441 is mounted on the bulge 44, and the design of the bulge 44 and the roller 441 is matched with the groove at the bottom of the spindle frame 1, so that the stability of the spindle box 4 on the spindle frame 1 can be improved, the resistance received by the spindle box 4 in the moving process is reduced, and the adjusting precision of the spindle box 4 is improved.

Referring to fig. 1, a chip collecting bin 312 is provided at the top of the operating platform 31, and a gear clamp 313 including a gear groove 3131 and an adjusting bolt 3133 is mounted on the inner side surface of the chip collecting bin 312. The gear clamp 313 on the inner side of the chip collecting bin 312 on the top of the operating table 31 is used for clamping a workpiece placed in the gear clamp, the workpiece is placed in the gear groove 3131 and is fixed through the adjusting bolt 3133, the workpiece is fixed stably, and the drilling quality is guaranteed.

Referring to fig. 1, a gear groove 3131 is located at a height greater than the bottom surface of the chip collecting chamber 312, and an upper clamping plate 3132 in the gear groove 3131 is slidably connected to the inner side surface of the operating table 31, wherein an end of the upper clamping plate 3132 away from the side surface of the operating table 31 is fixed by an adjusting bolt 3133. Gear groove 3131 is highly greater than the bottom surface of collection bits storehouse 312 to the work piece is not directly laminated to the bottom surface of collection bits storehouse 312, can the piece that produces in the cell-phone work piece processing drilling process in collection bits storehouse 312, has made things convenient for the medial surface sliding connection of punch plate 3132 and operation panel 31 in collecting and clearing gear groove 3131, and fix through adjusting bolt 3133 on the punch plate 3132, has realized the function to the installation and the dismantlement of work piece.

Referring to fig. 1 and 2, a gear belt 314 is disposed on the bottom surface of the operation table 31, and a reduction motor 32 is mounted on the drill floor 3 corresponding thereto, and a driving motor 413 is disposed in the groove. The gear belt 314 arranged on the bottom surface of the operating platform 31 is driven by the speed reducing motor 32 in the groove of the drilling machine, so that the reciprocating motion of the operating platform 31 on the drilling machine is realized, each step of installing, punching and disassembling the workpiece is met, and the drilling efficiency of the workpiece is greatly improved.

Referring to fig. 1, the bottom of the operation table 31 is further provided with sliding protrusions 311, the sliding protrusions 311 are symmetrically distributed on two sides of the gear belt 314, the length of the sliding protrusions 311 is equal to that of the operation table 31, and the drill floor 3 is provided with a sliding groove 33 matched with the sliding protrusions 311. The bottom of the operation platform 31 is provided with the sliding protrusions 311, and the sliding protrusions 311 are symmetrically distributed, so that when the reduction motor 32 drives the operation platform 31 to reciprocate, the sliding protrusions 311 can slide in the sliding grooves 33 in the drill floor 3, and the operation platform 31 is effectively prevented from shifting in the moving process.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a be favorable to improving drilling machine for gear of machining precision, includes headstock (1), support frame (2) and rig floor (3) that from top to bottom connect gradually, the cover is equipped with headstock (4) on headstock (1), its characterized in that: the support frames (2) are symmetrically arranged at two ends of the drill floor (3) and the headstock (1), the headstock (4) comprises a driving mechanism (41) at the upper end, a drilling mechanism (42) at the lower part and a telescopic device (43) for connecting the two, and the driving mechanism (41) comprises gear rollers (411), auxiliary rollers (412) and a driving motor (413) for driving the gear rollers (411); the top of the headstock (1) is provided with a belt groove (11) matched with the driving mechanism (41); the drilling mechanism (42) comprises a mounting frame (421) and a working motor (422), wherein the working motor (422) is mounted on the mounting frame (421), an output shaft of the working motor (422) penetrates through the mounting frame (421), a gear sleeved on the output shaft of the working motor (422) and peripheral gears (423) annularly distributed around the gear are arranged in the mounting frame (421), a rotating shaft sleeved with the peripheral gears (423) penetrates through the bottom of the mounting frame (421), and a drill bit clamp (424) is fixedly connected to the bottom of the rotating shaft; an operation table (31) is arranged on the drill floor (3) in a sliding mode, and the operation table (31) is arranged at the bottom of the spindle box (4).

2. The drilling machine for gears which is advantageous in improving the machining accuracy according to claim 1, wherein: transmission gear (414) are all installed at the both ends and the center of gear roller (411) among actuating mechanism (41), auxiliary roller (412) symmetry is installed in the both sides of gear roller (411), and gear roller (411) and auxiliary roller (412) all rotate with headstock (4) through both ends and be connected, and wherein gear roller (411) and auxiliary roller (412) are located same horizontal plane.

3. The drilling machine for gears which is advantageous in improving the machining accuracy according to claim 2, wherein: the belt groove (11) at the top of the headstock (1) comprises a middle platform (111) in the groove body and gear belt grooves (112) on two sides of the platform, and a cavity (113) matched with a transmission gear (414) at the center of a gear roller (411) is arranged in the middle platform (111).

4. The drilling machine for gears which is advantageous in improving the machining accuracy according to claim 2, wherein: the inner bottom surface of the spindle box (4) is provided with a bulge (44) matched with the bottom of the spindle head (1), the bulge (44) is provided with a roller (441), and the roller (441) is matched with a groove in the bottom of the spindle head (1).

5. The drilling machine for gears which is advantageous in improving the machining accuracy according to claim 1, wherein: the top of the operating platform (31) is provided with a scrap collecting bin (312), and the inner side surface of the scrap collecting bin (312) is provided with a gear clamp (313) which comprises a gear groove (3131) and an adjusting bolt (3133).

6. The drill press for gears advantageous for improving the machining accuracy according to claim 5, wherein: the height of the gear groove (3131) is larger than the bottom surface of the scrap collecting bin (312), an upper clamping plate (3132) in the gear groove (3131) is in sliding connection with the inner side surface of the operating table (31), and one end, away from the side surface of the operating table (31), of the upper clamping plate (3132) is fixed through an adjusting bolt (3133).

7. The drilling machine for gears which is advantageous in improving the machining accuracy according to claim 1, wherein: a gear belt (314) is arranged on the bottom surface of the operating platform (31), a speed reducing motor (32) is installed on the drill floor (3) corresponding to the gear belt, and the driving motor (413) is arranged in the groove.

8. The drill press for gears advantageous for improving the machining accuracy according to claim 7, wherein: the bottom of the operating platform (31) is further provided with sliding protrusions (311), the sliding protrusions (311) are symmetrically distributed on two sides of the gear belt (314), the length of each sliding protrusion (311) is equal to that of the operating platform (31), and a sliding groove (33) matched with the sliding protrusions (311) is formed in the drill floor (3).