CN220497824U

CN220497824U - Gearbox slot hole processing machine

Info

Publication number: CN220497824U
Application number: CN202321827672.0U
Authority: CN
Inventors: 高增亮; 高鲁舜; 孟德河; 滕志平; 钱明星; 张军惠
Original assignee: Shandong Haoshun Machinery Co ltd
Current assignee: Shandong Haoshun Machinery Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-02-20
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a gearbox long hole processing machine, which comprises a base, wherein a bottom plate which is driven by a bottom plate driving mechanism to slide longitudinally and transversely is connected to the base in a sliding manner, a horizontal positioning plate is connected to the upper end face of the bottom plate through a height-setting cushion block, two vertical guide plates are arranged on the upper end face of the positioning plate at intervals longitudinally, each guide plate is respectively positioned in different cavities of a gearbox, a drill sleeve hole which corresponds to a long hole on the gearbox and is provided with a drill sleeve is arranged on the guide plate, a cooling water hole is formed in each guide plate which is positioned on the upper side of each drill sleeve hole, a clamping mechanism which is used for fixing the gearbox is further arranged on the bottom plate, a long drill driving motor is arranged on one longitudinal side of the bottom plate, and a long drill capable of processing long holes which are coaxially arranged in the longitudinal direction is connected to an output shaft of the long drill driving motor. The utility model has the characteristics of coaxiality and parallelism technical requirements, reduced drill bit shaking during processing and high processing precision.

Description

Gearbox slot hole processing machine

Technical Field

The utility model relates to the field of hole machining, in particular to a gearbox long hole machining machine.

Background

The existing 80 gearbox (gearbox for short) is internally provided with two cavities, wherein a row of long holes (also called gear holes) are formed in the gearbox along the length direction (longitudinal direction), the row of long holes are horizontally and transversely arranged side by side, each long hole penetrates through the two cavities, the two cavities are equivalent to divide each long hole into three parts, the three parts are required to be coaxially arranged, and the technical requirements on the coaxiality and the parallelism are met, so that machining is difficult, the drilling is required to be carried out on one side of the gearbox for meeting the technical requirements, but due to the fact that the gearbox is longer, a required drill bit is lengthened, the drill bit can shake or tremble when rotating along with the lengthening of the drill bit, the position of the end part of the drill bit can move, so that a great machining error is caused, and the quality requirement on the drill bit is extremely high.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the gearbox long hole processing machine which meets the technical requirements of coaxiality and parallelism, reduces drill bit shaking during processing and has high processing precision.

In order to solve the technical problems, the utility model comprises a base, and is characterized in that: the base is connected with a base plate which is driven by a base plate driving mechanism to slide longitudinally and transversely, the upper end face of the base plate is connected with a horizontal positioning plate through a height-setting cushion block, the upper end face of the positioning plate is provided with two vertical guide plates at intervals longitudinally, each guide plate is respectively located in different cavities of the gearbox, each guide plate is provided with a drill bushing hole which corresponds to a long hole on the gearbox and is provided with a drill bushing, each guide plate is located at the upper side of each drill bushing hole, each guide plate is provided with a cooling water hole, each cooling water hole is connected with a water nozzle, each cooling water hole is connected with a water pump through a high-pressure water pipe, a clamping mechanism which is used for fixing the gearbox is further arranged on the base plate, and a long drill driving motor is arranged on one longitudinal side of the base plate and connected with a long drill bit which can process the long hole of the gearbox and is arranged longitudinally and coaxially.

Further, the bottom plate driving mechanism comprises a longitudinal sliding plate longitudinally sliding on the base, a longitudinal ball screw is connected to the base along the longitudinal rotation, a longitudinal screw nut matched with the longitudinal ball screw is arranged on the longitudinal sliding plate, the bottom plate transversely slides on the longitudinal sliding plate, a transverse ball screw is connected to the longitudinal sliding plate along the transverse rotation, a transverse screw nut matched with the transverse ball screw is arranged at the bottom end of the bottom plate, and the longitudinal ball screw and the transverse ball screw are driven by a motor to rotate.

Further, the drill bushing is connected with the drill bushing hole in an interference fit mode.

Further, a horizontal channel communicated with the cooling water holes is arranged in the guide plate, a vertical channel communicated with the horizontal channel is also arranged in the guide plate, and an opening connected with the high-pressure water pipe is arranged at one end of the horizontal channel or the vertical channel.

Further, at least two pairs of pin shaft grooves are correspondingly arranged on the bottom end of the guide plate and the end face contacted with the positioning plate respectively, and the guide plate is connected with the positioning plate through bolts.

Further, the inner diameter of the drill sleeve is adapted to the outer diameter of the long drill bit.

Further, the clamping mechanism comprises a plurality of screws vertically fixed on the bottom plate and clamping plates sleeved on the screws, and nuts for fastening the clamping plates are screwed on each screw.

Further, the clamping plate is of a strip shape, and an opening groove for the screw rod to slide in from the side end is formed in the clamping plate.

Further, the base comprises a horizontal support portion located below the bottom plate and a vertical support portion located below the long drill bit driving motor.

After adopting above-mentioned structure, during the use, detain gearbox cover on the locating plate, afterwards put the grip block cover on the screw rod, and fasten the grip block through the nut, reach the purpose of fixed gearbox, afterwards along with the longitudinal movement of bottom plate cooperation long drill bit driving motor realization is to the processing of gearbox slot hole, support and stabilize long drill bit through boring the cover in the cover hole in the course of working, avoid long drill bit pivoted in-process because length overlength leads to whole rocking or tremble, avoid leading to long drill bit end position to take place to remove, influence machining precision, machining parallelism and axiality requirement have not only been satisfied under the effect of deflector and cover, improve machining precision, avoid the product to lead to the processing failure because of the machining deviation. Meanwhile, the guide plate is provided with cooling water holes, so that the cooling water can be sprayed to the processing position, and the temperature is reduced. Through setting up two sets of cushion, locating plate, deflector and fixture, can not influence the installation and the dismantlement of another gearbox when processing a gearbox, reduce long drill bit driving motor down time, ensure long drill bit driving motor and continue to work to this improvement machining efficiency.

Drawings

FIG. 1 is a schematic side view of the present utility model;

FIG. 2 is a schematic top view of the present utility model (long bit drive motor not shown);

FIG. 3 is a schematic side view of the guide plate of FIG. 1 in the direction A;

FIG. 4 is a schematic side view of the guide plate of FIG. 1 in the direction B;

FIG. 5 is a schematic view of a partial cross-sectional structure of the transmission of the present utility model;

FIG. 6 is a schematic top view of a clamping plate according to the present utility model;

in the figure: the base 1, the horizontal support 11, the vertical support 12, the base plate 2, the clamping mechanism 21, the screw 211, the clamping plate 212, the open groove 2121, the nut 213, the base plate driving mechanism 3, the longitudinal sliding plate 31, the transverse ball screw 32, the transverse screw 321, the motor 33, the cushion block 4, the positioning plate 5, the guide plate 6, the drill bushing 61, the cooling water hole 62, the water spray nozzle 621, the horizontal channel 63, the vertical channel 64, the pin roll groove 65, the long drill driving motor 7, the long drill 71, the gearbox 8 and the long hole 81.

Detailed Description

Referring to fig. 1, the gearbox long hole processing machine comprises a base 1, wherein the base 1 comprises a horizontal supporting part 11 and a vertical supporting part 12 on one side of the horizontal supporting part 11, a long drill bit driving motor 7 is installed on one side of the longitudinal direction of a base plate 2, namely, the long drill bit driving motor 7 is installed on the vertical supporting part 12, and a long drill bit 71 capable of processing long holes 81 coaxially arranged along the longitudinal direction of a gearbox 8 is connected to an output shaft of the long drill bit driving motor 7. The base 1 is slidably connected with a base plate 2 which is driven by a base plate driving mechanism 3 to longitudinally and transversely slide, the base plate driving mechanism 3 comprises a longitudinal sliding plate 31 which longitudinally slides on the base 1, the longitudinal sliding plate 31 specifically slides on a horizontal supporting part 11 positioned below the base plate 2, the base 1 is longitudinally rotationally connected with a longitudinal ball screw, the longitudinal sliding plate 31 is provided with a longitudinal screw matched with the longitudinal ball screw, when in use, the longitudinal screw is driven to longitudinally slide along with the rotation of the longitudinal ball screw, the longitudinal sliding plate 31 is driven to longitudinally slide on the base 1, so that feeding or retreating in drilling is realized, the base plate 2 transversely slides on the longitudinal sliding plate 31, the left-right direction in fig. 1 is taken as the longitudinal direction, namely the feeding direction of drilling is taken as the longitudinal direction, the direction perpendicular to the paper surface is transverse, the longitudinal sliding plate 31 is rotationally connected with a transverse ball screw 32 along the transverse direction, the bottom end of the base plate 2 is provided with a transverse screw 321 matched with the transverse ball screw 32, and when in use, the transverse screw 321 is driven to transversely move along the longitudinal direction by the rotation of the longitudinal ball screw, the longitudinal screw 2 is driven to longitudinally slide along the longitudinal direction, and the longitudinal sliding plate 31 is driven to longitudinally slide along the base 1, and the longitudinal sliding plate 31 is driven to longitudinally slide along the longitudinal direction through the longitudinal sliding plate 31, and the longitudinal sliding plate 31 can be connected with the longitudinal sliding plate 31 and the longitudinal sliding plate 31 for sliding along through the guide rail 31.

Referring to fig. 1, the upper end face of the bottom plate 2 is connected with a horizontal positioning plate 5 through a cushion block 4 with a set height, when in use, the cushion block 4 with different heights is prepared, thus the height of the positioning plate 5 can be changed, holes with different heights can be processed, two vertical guide plates 6 are arranged on the upper end face of the positioning plate 5 along the longitudinal interval, specifically, at least two pairs of pin grooves 65 are correspondingly arranged on the end face contacted by the bottom end of the guide plate 6 and the positioning plate 5 respectively, the guide plates 6 and the positioning plate 5 are also connected through bolts, namely, the bottom end of the guide plate 6 is also provided with a thread groove, before installation, two pins are inserted into the pin grooves 65 on the positioning plate 5, the exposed end of each pin is inserted into the pin groove 65 on the guide plate 6, the purpose of positioning is achieved under the action of the pin, then the guide plate 6 and the positioning plate 5 are fixedly connected through bolts, and the bottom plate 2, the cushion block 4 and the positioning plate 5 are subjected to flat grinding again, and the parallelism between the upper plane of the positioning plate 5 and the bottom surface of the bottom plate 2 is ensured to be less than 0.02mm, so that the processing precision is improved, and the roughness of the two planes of the plate 2 and the positioning plate 5 is required to be 0.02mm, and the roughness of the parallelism is required to be 0.01.

Referring to fig. 1 and 6, each guide plate 6 is respectively located in a different cavity of the gearbox 8, when in use, the gearbox 8 is covered and buckled on the positioning plate 5, the guide plates 6 are located in the cavities, the bottom plate 2 is further provided with a clamping mechanism 21 for fixing the gearbox 8, and specifically, the clamping mechanism 21 comprises a plurality of screws 211 vertically fixed on the bottom plate 2 and clamping plates 212 sleeved on the screws 211, and nuts 213 for fastening the clamping plates 212 are screwed on each screw 211. As shown in fig. 2, four screw fixing holes are formed around the bottom plate 2, when in use, the screws 211 are fixed on the bottom plate 2, then the gearbox 8 is covered and buckled on the positioning plate 5, then the clamping plate 212 is pressed on the gearbox 8, and finally the nuts 213 are screwed to fasten the clamping plate 212, so that the purpose of clamping the gearbox 8 is achieved. During the use, can set up the through-hole that supplies screw rod 211 to pass on grip block 212, it is preferable, for dismantle the convenience, avoid taking place to interfere with grip block 212 at the in-process of moving gearbox 8, as shown in fig. 6, grip block 212 is rectangular shape, be equipped with on the grip block 212 and supply screw rod 211 to slide into open slot 2121 from the side, during the use, put grip block 212 on two adjacent screw rods 211 from one side, after the processing is accomplished, loose nut 213 and directly take off grip block 212 can.

Referring to fig. 1-5, the guide plates 6 are respectively located in different cavities of the gearbox 8, drill bushing holes 61 corresponding to long holes 81 on the gearbox 8 and provided with drill bushings are formed in the guide plates 6, wherein the drill bushings are in interference fit connection with the drill bushing holes 61, the drill bushings are firmly fixed on the guide plates 6, the inner diameters of the drill bushings are matched with the outer diameters of long drill bits, the drill bushings are sleeves with high material hardness, the long drill bits 71 penetrate through the drill bushings in the machining process to continue machining, the drill bushings play a role in supporting and stabilizing the long drill bits 71, the long drill bits 71 are prevented from moving due to overall shaking or vibration caused by overlong length in the process of rotating the long drill bits 71, machining accuracy is affected, fig. 5 shows that the long holes 81 of the gearbox 8 are required to be partially machined, coaxiality is required, the accuracy requirement is very high, the machining of one long hole 81 is required to be sequentially completed from one end of the gearbox 8, the long hole is required to be machined, the drill bushings in the machining process are required to be fixedly supported by the long drill bits 71, the supporting and stabilizing of the long drill bits is reduced, the motor 3 is required to be driven by the motor to be matched with the long holes 7, and the long holes 81 are required to be machined in the next to be transversely and finally, and the long holes 81 are required to be machined, and the machining of the long holes 81 is required to be completed.

Referring to fig. 3 and 4, a cooling water hole 62 is formed in a guide plate 6 located on the upper side of each drill sleeve hole 61, the cooling water hole 62 is connected with a water spray nozzle 621, the cooling water hole 62 is shielded by the water spray nozzle 621 in the drawing, the blackout position represents the cooling water hole 62 for convenience in displaying, the cooling water hole 62 is connected with a water pump through a high-pressure water pipe, in particular, a horizontal channel 63 communicated with a plurality of cooling water holes 62 is formed in the guide plate 6, a vertical channel 64 communicated with the horizontal channel 63 is further formed in the guide plate 6, one end of the horizontal channel 63 or the vertical channel 64 is provided with an opening connected with a high-pressure water pipe, the horizontal channel 63 is plugged by a bolt from one side after the processing is completed, the vertical channel 64 is processed from the bottom end, the bottom opening of the vertical channel 64 is connected with the water pump through the high-pressure water pipe, finally the cooling water spray nozzle 621 is sprayed out from the drilling position for cooling down, in order to process long holes 81 on different gearboxes 8, a drill sleeve hole 61 is further formed in one side above the four sleeve holes 61 in the drawing 3, the two drill sleeve holes 61 are further communicated with the same length of the two drill sleeve holes 61 and the two drill holes 61 are not required to be processed, and the two drill holes 61 are simultaneously in the same side of the same length of the drill sleeve hole 61 is required to be processed, and the two holes 61 are respectively and the two holes 61 are not required to be connected with the same.

In order to improve the machining efficiency, two groups of cushion blocks 4, positioning plates 5, guide plates 6 and clamping mechanisms 21 are preferably arranged on the base 1, so that the installation and the disassembly of one gearbox 8 are not affected when the other gearbox 8 is machined, the downtime of the long-drill driving motor 7 is reduced, the long-drill driving motor is ensured to work continuously, and the machining efficiency is improved.

Claims

1. The utility model provides a gearbox slot hole processing machine, includes base (1), characterized by: the base (1) is connected with a base plate (2) which is driven to longitudinally and transversely slide by a base plate driving mechanism (3), the upper end face of the base plate (2) is connected with a horizontal positioning plate (5) through a height-setting cushion block (4), the upper end face of the positioning plate (5) is provided with two vertical guide plates (6) along longitudinal intervals, each guide plate (6) is respectively located in different cavities of a gearbox (8), the guide plates (6) are provided with drilling sleeve holes (61) which correspond to long holes (81) on the gearbox (8) and are provided with drilling sleeves, the guide plates (6) which are positioned on the upper side of each drilling sleeve hole (61) are respectively provided with a cooling water hole (62), the cooling water holes (62) are connected with a water spray nozzle (621), the base plate (2) is also provided with clamping mechanisms (21) which fix the gearbox (8) through high-pressure water pipes, one side of a motor of the base plate (2) is provided with a long hole (81), and the motor (7) is coaxially connected with the long holes (81) on the longitudinal output shaft (81) of the base plate (2).

2. The long hole processing machine for a gearbox of claim 1, characterized in that: the bottom plate driving mechanism (3) comprises a longitudinal sliding plate (31) longitudinally sliding on the base (1), a longitudinal ball screw is connected to the base (1) along the longitudinal rotation, a longitudinal screw nut matched with the longitudinal ball screw is arranged on the longitudinal sliding plate (31), the bottom plate (2) transversely slides on the longitudinal sliding plate (31), a transverse ball screw (32) is connected to the longitudinal sliding plate (31) along the transverse rotation, a transverse screw nut (321) matched with the transverse ball screw (32) is arranged at the bottom end of the bottom plate (2), and the longitudinal ball screw and the transverse ball screw (32) are driven to rotate by a motor (33).

3. The long hole processing machine for a gearbox of claim 1, characterized in that: the drill bushing is in interference fit connection with the drill bushing hole (61).

4. The long hole processing machine for a gearbox of claim 1, characterized in that: a horizontal channel (63) communicated with a plurality of cooling water holes (62) is arranged in the guide plate (6), a vertical channel (64) communicated with the horizontal channel (63) is also arranged in the guide plate (6), and an opening connected with the high-pressure water pipe is arranged at one end of the horizontal channel (63) or one end of the vertical channel (64).

5. The long hole processing machine for a gearbox of claim 1, characterized in that: at least two pairs of pin shaft grooves (65) are correspondingly arranged on the end face, contacted with the locating plate (5), of the bottom end of the guide plate (6), and the guide plate (6) and the locating plate (5) are connected through bolts.

6. The long hole processing machine for a gearbox of claim 1, characterized in that: the inner diameter of the drill sleeve is adapted to the outer diameter of the long drill bit (71).

7. The long hole processing machine for a gearbox of claim 1, characterized in that: the clamping mechanism (21) comprises a plurality of screws (211) vertically fixed on the bottom plate (2) and clamping plates (212) sleeved on the screws (211), and nuts (213) for fastening the clamping plates (212) are screwed on each screw (211).

8. The long hole processing machine for a transmission according to claim 7, characterized in that: the clamping plate (212) is long, and an open groove (2121) into which the screw (211) slides from the side end is formed in the clamping plate (212).

9. The long hole processing machine for a transmission according to any one of claims 1 to 8, characterized in that: the base (1) comprises a horizontal support part (11) positioned below the bottom plate (2) and a vertical support part (12) positioned below the long drill driving motor (7).