CN105965058A - Pipe fitting drilling machine - Google Patents

Abstract

The invention provides a pipe fitting drilling machine comprising: a bed body; an indexing spindle box arranged at the front end of the bed body for clamping workpieces; a longitudinal transmission system; The moving guide rail of the carriage slides longitudinally; the upper part of the carriage is provided with a horizontal moving guide rail; the carriage is arranged under the carriage and is fixedly connected with the carriage; the longitudinal nut is screwed with the longitudinal screw, and the two together form a longitudinal The screw pair; the slide plate, which is set on the top of the carriage, can slide along the horizontally moving guide rail; the horizontal screw, which is fixed on the carriage; the horizontal nut, which is fixed on the slide, and rotates with the horizontal screw. The two together form a horizontal screw pair; the horizontal servo motor is fixed on the carriage, and its output shaft is fixedly connected with the horizontal screw; the drill box is fixed on the slide for pipe drilling; the tailstock assembly , set on the rear end of the bed, used to clamp the workpiece; the workpiece clamping device, set above the carriage, used to clamp the workpiece when drilling.

Description

Pipe Drilling Machine

technical field

The invention relates to a mechanical processing equipment, in particular to a pipe fitting drilling machine.

Background technique

The pipe wall drilling of pipe parts is generally carried out by marking first and then drilling with a drilling machine. The disadvantage is that the two processes are completed on the marking platform and the drilling machine respectively. During the processing, the workpiece needs to be removed from the marking platform. Transported to the drilling machine, and because the workpiece cannot be automatically indexed, the workpiece rolls many times during the machining process, which not only has low work efficiency, but also poor machining accuracy.

Contents of the invention

In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a pipe drilling machine for solving the above-mentioned problems in the prior art.

In order to achieve the above purpose and other related purposes, the present invention provides a complete pipe drilling machine, comprising:

The upper part of the bed body is respectively equipped with carriage moving guide rails and tailstock moving guide rails; the bed body of an ordinary lathe can be used as the bed body without special processing.

The indexing spindle box is set at the front end of the bed, used to clamp the workpiece, and can rotate the workpiece to any degree;

Longitudinal transmission system, including: screw transmission box, longitudinal servo motor, bearing housing and longitudinal screw,

The screw drive box is fixed at one end of the bed;

The output shaft of the longitudinal servo motor is connected to the input shaft of the screw transmission box;

The bearing housing, the inner hole of which is provided with a bearing, is fixedly arranged at the other end of the bed body;

One end of the longitudinal lead screw is connected to the output shaft of the lead screw transmission box, and the other end is connected to the bearing seat, and the bearing is sleeved outside the longitudinal lead screw;

The carriage is arranged above the bed body and can slide longitudinally along the movement guide rail of the carriage; the upper part of the carriage is provided with a transverse movement guide rail;

The carriage frame is arranged under the carriage and is fixedly connected with the carriage;

The longitudinal screw nut is fixedly connected with the slide frame through the screw nut seat, and is screwed with the longitudinal screw, and the two together form a longitudinal screw pair;

The slide plate is arranged on the top of the carriage, and can slide along the laterally moving guide rail;

The horizontal lead screw is fixed on the carriage;

The horizontal screw nut is fixed on the slide plate and is screwed with the horizontal screw, and the two together form a horizontal screw pair;

The horizontal servo motor is fixed on the carriage, and its output shaft is fixedly connected with the horizontal lead screw;

Drill rod box, fixed on the slide plate, used for pipe fitting drilling;

The tailstock assembly is arranged at the rear end of the bed body and is used for tightening the workpiece; the tailstock assembly of an ordinary lathe can be used.

The workpiece clamping device is arranged above the carriage, and is used for clamping the workpiece when drilling.

Preferably, the indexing headstock includes:

box;

The main shaft is installed on the box through bearings at both ends;

The worm gear is fixedly arranged on the main shaft;

The worm is installed on the box through the bearings at both ends, and the worm is meshed with the worm wheel;

The chuck is fixedly arranged on the front end of the main shaft, and is used for clamping the pipe parts;

The indexing servo motor is fixedly arranged on the box, and its output shaft is fixedly connected with the worm.

Preferably, the drill box includes:

box,

The main shaft is installed on the box through the bearings at both ends, and the rear end of the main shaft is provided with a pulley;

The motor is fixed on the box, the output shaft of the motor is provided with a transmission pulley, and the motor is connected with the main shaft through a belt drive.

Preferably, several screw brackets are arranged on the bed body for supporting the longitudinal screw.

Preferably, the workpiece clamping device includes:

The first guide support is fixedly arranged on the carriage, and the first guide support is provided with two parallel guide holes: a first guide hole and a second guide hole;

The second guide support is fixedly arranged on the carriage, and the second guide support is provided with two parallel guide holes: A guide hole and B guide hole; the A guide hole and the first guide hole It is a concentric hole, and the two together form the first rack shaft guide hole; the B guide hole and the second guide hole are concentric holes, and the two together form the second rack shaft guide hole; the second guide support A transmission gear is arranged between the A guide hole and the B guide hole of the seat;

The first rack shaft passes through the guide hole of the first rack shaft and meshes with the transmission gear;

The second rack shaft passes through the guide hole of the second rack shaft and meshes with the transmission gear;

The first caliper body is fixedly connected with the second rack shaft;

The second caliper body is fixedly connected with the first rack shaft;

The oil cylinder is fixed on the first guide support, and its piston rod is fixedly connected with the first rack shaft.

Preferably, there are two sets of clamping devices.

Further preferably, the workpiece clamping device further includes a hydraulic pump station, and the hydraulic pump station is connected to the oil cylinder through an oil pipe. When in use, the piston drives the first rack shaft to move to the right, and because the first rack shaft is fixedly connected to the second caliper body, the second caliper body moves to the right; at the same time, the first rack shaft drives the second tooth through the transmission gear. The bar shaft moves to the left, and because the second rack shaft is fixedly connected with the first pliers, the first pliers move to the right to realize the clamping of the workpiece; this structure realizes the synchronous movement of the two pliers, ensuring the workpiece correct position. The structure of the device is simple, and the accuracy of the synchronous movement of the two caliper bodies is greatly improved compared with the use of a hydraulic synchronous circuit.

The pipe fitting drilling machine of the present invention greatly simplifies the pipe fitting drilling process, reduces the marking process and improves work efficiency.

Description of drawings

Fig. 1 is the front view of structural representation of the present invention;

Fig. 2 is a schematic top view of the structure of the present invention;

Fig. 3 is the front view of the indexing headstock of the present invention;

Fig. 4 is the side view of indexing headstock of the present invention;

Fig. 5 is the structural representation of drill pipe box of the present invention;

Fig. 6 is a structural schematic diagram of the workpiece clamping device of the present invention;

Fig. 7 is the assembly diagram of the longitudinal lead screw pair and the slide plate frame of the present invention;

In the figure: 1 indexing spindle box, 2 chuck, 3 bed body, 4 workpiece clamping device, 5 slide plate, 6 drill pipe box, 7 operating system, 8 tailstock assembly, 9 bearing seat, 10 longitudinal screw, 11 slide frame, 12 carriage, 13 screw bracket, 14 screw transmission box, 15 longitudinal servo motor, 16 indexing servo motor, 17 horizontal screw, 18 horizontal screw nut, 19 horizontal servo motor, 20 longitudinal wire Female, 21 screw female seat, 22 hydraulic pump station, 101 box, 102 main shaft, 103 worm gear, 104 worm, 401 first guide support, 402 first rack shaft, 403 first pliers, 404 second pliers , 405 second guide support, 406 oil cylinder, 407 second rack shaft, 408 transmission gear, 4011 first guide hole, 4012 second guide hole, 4051A guide hole, 4052 B guide hole, 601 main shaft, 602 pulley, 603 main shaft, 604 transmission pulley, 605 box.

detailed description

The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

See Figures 1 through 7 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention , so it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure disclosed in the present invention without affecting the functions and objectives of the present invention. within the range covered by the technical content. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit the scope of this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present invention if there is no substantial change in the technical content.

Please refer to Fig. 1 to Fig. 7, the present invention provides a kind of complete pipe drilling machine, comprising:

The bed body 3 is provided with a carriage moving guide rail and a tailstock moving guide rail respectively on its upper part; the bed body of an ordinary lathe can be used as the bed body without special processing.

The indexing spindle box 1 is arranged at the front end of the bed body, and is used to clamp the workpiece and rotate the workpiece to any degree; the indexing spindle box 1 includes:

Box 101;

The main shaft 102 is installed on the box body 101 through bearings at both ends;

The worm gear 103 is fixedly arranged on the main shaft 102;

The worm 104 is installed on the box body 101 through the bearings at both ends, and the worm 104 is meshed with the worm wheel 103;

The chuck 2 is fixedly arranged on the front end of the main shaft 102, and is used for clamping pipe parts;

The indexing servo motor 16 is fixedly arranged on the casing 101 , and its output shaft is fixedly connected with the worm 104 .

The longitudinal transmission system includes: screw transmission box 14, longitudinal servo motor 15, bearing housing 9 and longitudinal screw 10,

The screw transmission box 14 is fixedly arranged at one end of the bed body 3;

Longitudinal servo motor 15, its output shaft is connected with the input shaft of lead screw transmission box 14;

Bearing seat 9, the inner hole of which is provided with a bearing, fixedly arranged on the other end of bed body 3;

A longitudinal lead screw 10, one end of which is connected with the output shaft of the lead screw transmission box 14, and the other end is connected with the bearing seat 9, and the bearing is sleeved outside the longitudinal lead screw 10;

The carriage 12 is arranged above the bed body 3 and can slide longitudinally along the moving guide rail of the carriage; the upper part of the carriage 12 is provided with a lateral movement guide rail;

The carriage 11 is arranged under the carriage 12 and is fixedly connected with the carriage 12;

The longitudinal screw nut 18 is fixedly connected with the slide frame 11 through the screw nut seat 21, and is screwed together with the longitudinal lead screw 10, and the two together form a longitudinal lead screw pair;

The slide plate 5 is arranged on the top of the carriage 12 and can slide along the laterally moving guide rail;

The horizontal lead screw 17 is fixed on the carriage 12;

The horizontal screw nut 18 is fixed on the slide plate and is screwed together with the horizontal screw 17, and the two together form a horizontal screw pair;

The horizontal servo motor 19 is fixed on the carriage 12, and its output shaft is fixedly connected with the horizontal screw 17;

The drill rod box 6 is fixed on the slide plate 5 and is used for drilling of pipe fittings; the drill rod box 6 includes:

box 605,

The main shaft 601 is installed on the box body 605 through bearings at both ends, and the rear end of the main shaft 601 is provided with a pulley 602;

The motor 603 is fixed on the box body 605, the output shaft of the motor 603 is provided with a transmission pulley 604, and the motor 603 is connected with the main shaft 601 through a belt drive.

Tailstock assembly 8, is arranged on the rear end of bed body 3, is used for jacking up workpiece; Can adopt common lathe tailstock assembly.

The workpiece clamping device 4 is arranged on the top 12 of the carriage, and is used for clamping the workpiece when drilling. Workholding device 4 includes:

The first guide support 401 is fixed on the carriage 12, and the first guide support 401 is provided with two parallel guide holes: the first guide hole 4011 and the second guide hole 4012;

The second guide support 405 is fixedly arranged on the carriage 12, and the second guide support 405 is provided with two parallel guide holes: A guide hole 4051 and B guide hole 4052; A guide hole 4051 and the first guide hole 4011 are Concentric holes, the two together form the first rack shaft guide hole; B guide hole 4052 and the second guide hole 74012 are concentric holes, and the two together form the second rack shaft guide hole; the A guide of the second guide support 405 A transmission gear is arranged between the hole 4051 and the B guide hole 4052;

The first rack shaft 402 passes through the guide hole of the first rack shaft and meshes with the transmission gear 408;

The second rack shaft 407 passes through the guide hole of the second rack shaft and meshes with the transmission gear 408;

The first pliers body 403 is fixedly connected with the second rack shaft 407;

The second pliers body 404 is fixedly connected with the first rack shaft 402;

The oil cylinder 406 is fixed on the first guide support 405 , and its piston rod is fixedly connected with the first rack shaft 402 .

The workpiece clamping device 4 also includes a hydraulic pump station 22, and the hydraulic pump station 22 is connected to the oil cylinder 406 through an oil pipe.

The clamping device 4 is two sets.

When in use, the piston drives the first rack shaft 402 to move to the right, and because the first rack shaft 402 is fixedly connected with the second caliper body 404, the second pliers body 404 moves to the right; The gear 408 drives the second rack shaft 407 to move to the left. Because the second rack shaft 407 is fixedly connected with the first pliers body 403, the first pliers body 403 moves to the right to realize the clamping of the workpiece; this structure realizes two The synchronous movement of the pliers ensures the correct position of the workpiece. The structure of the device is simple, and the accuracy of the synchronous movement of the two caliper bodies is greatly improved compared with the use of a hydraulic synchronous circuit.

In another embodiment, several lead screw brackets 13 are arranged on the bed body 3 for supporting the longitudinal lead screw 10 .

The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims (7)

1. A pipe fitting drilling machine, characterized in that, comprising: Bed body, the upper part of which is respectively equipped with carriage moving guide rails and tailstock moving guide rails; The indexing spindle box is set at the front end of the bed, used to clamp the workpiece, and can rotate the workpiece to any degree; Longitudinal transmission system, including: screw transmission box, longitudinal servo motor, bearing housing and longitudinal screw, The screw drive box is fixed at one end of the bed; The output shaft of the longitudinal servo motor is connected to the input shaft of the screw transmission box; The bearing housing, the inner hole of which is provided with a bearing, is fixedly arranged at the other end of the bed body; One end of the longitudinal lead screw is connected to the output shaft of the lead screw transmission box, and the other end is connected to the bearing seat, and the bearing is sleeved outside the longitudinal lead screw; The carriage is arranged above the bed body and can slide longitudinally along the movement guide rail of the carriage; the upper part of the carriage is provided with a transverse movement guide rail; The carriage frame is arranged under the carriage and is fixedly connected with the carriage; The longitudinal screw nut is fixedly connected with the slide frame through the screw nut seat, and is screwed with the longitudinal screw, and the two together form a longitudinal screw pair; The slide plate is arranged on the top of the carriage, and can slide along the laterally moving guide rail; A horizontal lead screw is fixed on the carriage; The horizontal screw nut is fixed on the slide plate and is screwed with the horizontal screw, and the two together form a horizontal screw pair; The horizontal servo motor is fixed on the carriage, and its output shaft is fixedly connected with the horizontal lead screw; Drill rod box, fixed on the slide plate, used for pipe fitting drilling; The tailstock assembly is arranged at the rear end of the bed body and is used for tightening the workpiece; The workpiece clamping device is arranged above the carriage, and is used for clamping the workpiece when drilling. 2. The pipe fitting drilling machine according to claim 1, wherein the indexing headstock comprises: box; The main shaft is installed on the box through bearings at both ends; The worm gear is fixedly arranged on the main shaft; The worm is installed on the box through the bearings at both ends, and the worm is meshed with the worm wheel; The chuck is fixedly arranged on the front end of the main shaft, and is used for clamping the pipe parts; The indexing servo motor is fixedly arranged on the box, and its output shaft is fixedly connected with the worm. 3. The pipe fitting drilling machine according to claim 1, characterized in that: the drill pipe box comprises: box; The main shaft is installed on the box through the bearings at both ends, and the rear end of the main shaft is provided with a pulley; The motor is fixed on the box, the output shaft of the motor is provided with a transmission pulley, and the motor is connected with the main shaft through a belt drive. 4. The pipe fitting drilling machine according to claim 1, characterized in that: several screw brackets are arranged on the bed body to support the longitudinal screw. 5. The pipe fitting drilling machine according to claim 1, wherein the workpiece clamping device comprises: The first guide support is fixedly arranged on the carriage, and the first guide support is provided with two parallel guide holes: a first guide hole and a second guide hole; The second guide support is fixedly arranged on the carriage, and the second guide support is provided with two parallel guide holes: A guide hole and B guide hole; the A guide hole and the first guide hole It is a concentric hole, and the two together form the first rack shaft guide hole; the B guide hole and the second guide hole are concentric holes, and the two together form the second rack shaft guide hole; the second guide support A transmission gear is arranged between the A guide hole and the B guide hole of the seat; The first rack shaft passes through the guide hole of the first rack shaft and meshes with the transmission gear; The second rack shaft passes through the guide hole of the second rack shaft and meshes with the transmission gear; The first caliper body is fixedly connected with the second rack shaft; The second caliper body is fixedly connected with the first rack shaft; The oil cylinder is fixed on the first guide support, and its piston rod is fixedly connected with the first rack shaft. 6. The pipe drilling machine according to claim 5, characterized in that there are two sets of clamping devices. 7. The pipe drilling machine according to claim 5 or 6, wherein the workpiece clamping device further comprises a hydraulic pump station, and the hydraulic pump station is connected to the oil cylinder through an oil pipe.