CN210299823U

CN210299823U - Point drilling machine

Info

Publication number: CN210299823U
Application number: CN201921248177.8U
Authority: CN
Inventors: 王勤
Original assignee: Hangzhou Jinke Technology Co Ltd
Current assignee: Hangzhou Jinke Technology Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-14
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a point drilling machine, which comprises a workbench, three guide rails, a cross beam and a frame, wherein the three guide rails are arranged in parallel, one guide rail is arranged on one side of the workbench, and the other two guide rails are arranged on the other side of the workbench; the cross beam is erected on the three guide rails, a guide part is arranged on the cross beam along the length direction of the cross beam, and the cross beam moves linearly along the guide rails; the rack is arranged on the cross beam and moves linearly along the guide part on the cross beam; two guide rails that workstation one side set up simultaneously keep the slider that two guide rails correspond at a less distance, reduce the influence of the clearance between slider and the guide rail to the crossbeam, promote the response speed because of the sluggish response speed that leads to of different sliding part, improve the response speed and the precision of crossbeam.

Description

Point drilling machine

Technical Field

The utility model relates to a mechanical equipment, in particular to point rig.

Background

The point drilling machine has the characteristics of automatic bead suction, automatic hot drilling and the like, and has the characteristics of high-speed movement and quick action, so that the efficiency is high. The existing drilling machine is widely applied to the ornament manufacturing industry.

The working part of the existing point drilling machine is arranged on a cross beam, the cross beam is erected on two guide rails to move, and a driving device is arranged near one of the two guide rails at the cross beam to drive the cross beam to move. Because a gap exists between the sliding part arranged on the guide rail and the guide rail, the sliding part on the side where the driving device is positioned drives the sliding part at the other end through the cross beam, so that the movement of the sliding part at the other end lags; in addition, the cross beam is long in span, and the lag condition is amplified by the cross beam, so that the two sliding blocks are in tandem positions, and the accuracy of the position of the cross beam is influenced. Because the motion of slider is asynchronous, still will lead to having certain angle slope between slider and the guide rail, and aggravate the wearing and tearing of slider and guide rail in daily use, further reduce the life of equipment and the crossbeam positioning accuracy in the use.

In addition, the existing spot drilling machine sucks the working part of the bead and the spot glue and is arranged on a movable seat frame of the spot drilling machine, wherein a bracket of the movable seat frame is fixed relative to a sliding plate, the working part is arranged on the sliding plate, the motor and a lead screw are arranged on the bracket in a driving mode, and the lead screw drives the sliding plate to move. Because the lead screw is connected with the sliding plate firmly, when the working component sucks the beads and dispenses, the working component is in direct contact with the parts, and the vibration generated when the working component is in contact with the parts does not have buffering, so that the working component and even the whole equipment can vibrate. Because the lead screw and the sliding plate are made of metal, the vibration of the equipment easily causes the abrasion of the lead screw to be intensified, and the precision of the equipment is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses a point rig improves the desynchrony of the motion of point rig crossbeam both ends.

The utility model provides a point drilling machine, which comprises a workbench, three guide rails, a cross beam and a frame, wherein the three guide rails are arranged in parallel, one guide rail is arranged on one side of the workbench, and the other two guide rails are arranged on the other side of the workbench; the cross beam is erected on the three guide rails, a guide part is arranged on the cross beam along the length direction of the cross beam, and the cross beam moves linearly along the guide rails; the frame is arranged on the cross beam and moves linearly along the guide part on the cross beam.

Further, the frame comprises a bracket, a sliding plate, a belt, a driving wheel and a driven wheel; a sliding rail is arranged on one surface of the support, a driving wheel and a driven wheel are arranged on the surface of the support where the sliding rail is arranged, the driving wheel and the driven wheel are connected through a belt, and the plane where the two lines of the driving wheel and the driven wheel are located is parallel to the direction guided by the sliding rail; the sliding plate is connected with the belt, the sliding plate linearly moves along the sliding rail, and a connecting hole for mounting a working part is formed in one surface, far away from the support, of the sliding plate.

Further, the belt is a synchronous belt, and the driving wheel and the driven wheel are gears corresponding to the tooth profile of the synchronous belt

Furthermore, the connecting part is arranged at the connecting part of the sliding plate and the belt and fixedly connected with the belt.

Further, the guide rail is a linear guide rail, the cross beam is provided with corresponding sliding blocks, and rolling friction is formed between the guide rail and the sliding blocks; the sliding rail is a linear guide rail II, a corresponding sliding block II is arranged on the sliding plate, and rolling friction is formed between the sliding rail and the sliding block II.

Further, the rolling part of the slide block is a ball, and the corresponding contact surface of the guide rail and the slide block is provided with an arc-shaped groove; and the rolling part of the second sliding block is a ball, and the corresponding contact surface of the sliding rail and the second sliding block is provided with an arc-shaped groove.

The device further comprises a second workbench, wherein the second workbench is arranged on one side of the workbench, which is close to an operator; the second workbench comprises a base and a rotating shaft, the rotating shaft is horizontally arranged, two ends of the rotating shaft are respectively sleeved in bearings of the point drilling machine, and the base is sleeved on the rotating shaft and rotates around the rotating shaft.

Further, the second workstation still includes the revolving stage, the revolving stage setting is on a base plane that is on a parallel with the pivot, the revolving stage is the body of circling round, and the axis and the pivot axis of revolving stage are perpendicular.

Further, the quantity of revolving stage is 2 to 6, and the revolving stage is equidistant to be set up to one row.

Further, the rack is provided with working parts with the same number of rotating tables.

The beneficial effects of the utility model are that two guide rails that set up simultaneously for workstation one side keep the slider that two guide rails correspond at a less distance, reduce the influence of clearance between slider and the guide rail to the crossbeam, promote the response speed because of the hysteresis of different sliding parts leads to, improve the response speed and the precision of crossbeam.

Drawings

FIG. 1 is a schematic structural view of one embodiment of a point drilling machine of the present invention;

fig. 2 is a schematic structural view of another embodiment of the gantry of fig. 1.

Fig. 3 is an enlarged view at X in fig. 2.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, it is a specific embodiment of the point drilling machine of the present invention. The device comprises a workbench 1, three guide rails 2, a cross beam 3 and a frame 4, wherein the three guide rails 2 are arranged in parallel, one guide rail 2 is arranged on one side of the workbench, and the other two guide rails 2 are arranged on the other side of the workbench; the cross beam 3 is erected on the three guide rails 2, a guide part is arranged on the cross beam 3 along the length direction of the cross beam, and the cross beam moves linearly along the guide rails 2; the machine frame 4 is arranged on the cross beam 3, and the machine frame 4 moves linearly along a guide part on the cross beam 3.

The utility model discloses when using, three guide rails 2 of some rig are parallel arrangement, and three guide rails 2 set up in the both sides of workstation 1, and wherein two guide rails 2 set up in same one side of workstation 1. A cross beam is erected above the three guide rails 2, the cross beam 3 is perpendicular to the guide rails 2, a rack 4 capable of moving up and down is arranged on the cross beam 3, and working parts are mounted on the rack 4. The working component is arranged on the point drilling machine and has three axial degrees of freedom, namely an X axis in the length direction of the cross beam, a Y axis of the guide rail 2 and a Z axis of the rack 4. In order to ensure that the Z axis has enough moving space, a corresponding base is usually arranged at the position of the guide rail on the workbench 1 provided with the guide rail 2, and the base is used for increasing the height of the guide rail, namely increasing the distance between the cross beam 3 and the workbench 1, so that the moving space of the frame 4 only needs to be arranged between the cross beam and the workbench, and the design and the processing difficulty of the frame are simplified.

Corresponding parts are arranged on the cross beam 3 and are matched with the guide rail 2, the cross beam 3 can linearly move along the guide rail 2, and gaps exist between the parts, matched with the guide rail 2, on the cross beam 3. When the number of the guide rails is increased, the gaps between the corresponding parts on the cross beam 3 and the guide rails 2 are not uniformly distributed, so that the actual movable gaps of the cross beam 3 on the plurality of guide rails 2 are reduced, the verticality between the cross beam 3 and the guide rails 2 is ensured, and the non-perpendicularity between the cross beam 3 and the guide rails caused by the time lag of the movement of the cross beam 3 at different guide rails 2 is reduced.

As a modified embodiment, the frame 4 includes a bracket 41, a slide plate 42, a belt 43, a driving pulley 44 and a driven pulley 45; a sliding rail 411 is arranged on one surface of the support 41, a driving wheel 44 and a driven wheel 45 are arranged on the surface of the support 41 where the sliding rail 411 is located, the driving wheel 44 and the driven wheel 45 are connected through a belt 43, and the plane where two lines of the driving wheel 44 and the driven wheel 45 are located is parallel to the guiding direction of the sliding rail 411; the sliding plate 42 is connected with the belt 43, the sliding plate 42 moves linearly along the sliding rail 411, and a connecting hole for installing a working component is arranged on one surface of the sliding plate 42 away from the bracket 41.

In the embodiment, when in use, the beam 3 moves along the Y axis under the guidance of the guide rail 2, the frame 4 is arranged on the beam 3, and the frame 4 can move along the X axis on the beam 3. The machine frame 4 comprises a support 41, a sliding plate 42, a belt 43, a driving wheel 44 and a driven wheel 45, and the drill sucking and dispensing working components of the point drilling machine are arranged on the sliding plate 42. The support 41 is arranged on the cross beam 3 and moves linearly along the cross beam 3, the slide rail 411 is arranged on the support 41, the guide direction of the slide rail 411 is the up-down direction, and the slide plate 42 can move up and down along the Z axis under the guide of the slide rail 411. A driving wheel 44 and a driven wheel 45 are arranged between the support 41 and the sliding plate 42, the driving wheel 44 and the driven wheel 45 are connected with the support 41, the driving wheel 44 is driven by a driving motor 45 to rotate, the driving wheel 44 is connected with the driven wheel 45 through a belt 43, and the sliding plate 42 is connected with the belt 43. When the device works, the driving wheel 44 drives the belt 43 to move, and the belt 43 drives the sliding plate 22 to move; when the driving wheel rotates reversely 44, the belt 43 drives the sliding plate 42 to move reversely.

When the point drilling machine works, a working part needs to directly touch a part when the point drilling machine sucks and dispenses the point, and therefore an external force is generated at the moment of contact, so that the equipment vibrates or receives the external force, and the flexible connection between the bracket 41 and the sliding plate 42 by adopting the belt 43 has the buffering effect, so that the vibration and the contact force of the equipment are relieved; particularly to help alleviate the hard contact between the bracket 41 and the slide plate 42 driven by the lead screw in the prior art. The hard contact means that the relevant parts are made of materials which are not easy to deform, such as metal, and when the relevant parts are subjected to external force, the materials basically do not deform elastically but bear the external force directly.

As a modified embodiment, the belt 43 is a timing belt, and the driving pulley 44 and the driven pulley 45 are gears corresponding to the timing belt tooth profile.

In use, the belt 43 is a timing belt. The synchronous belt is toothed on the inner circumference of the belt and is meshed with the toothed belt wheel. The belt 43 is a synchronous belt, and the driving pulley 44 and the driven pulley 45 are corresponding gears. During synchronous belt transmission, the transmission ratio is accurate, the acting force on the shaft is small, and the structure is compact.

The belt 43 adopts a synchronous belt, so that the belt 43 has the advantages of relieving the vibration generated by contact when the equipment works, ensuring the accurate movement of the sliding plate 42 relative to the bracket 41 and ensuring the accuracy of the equipment.

As a modified embodiment, a connecting part is arranged at the joint of the sliding plate 42 and the belt 43, and the connecting part is fixedly connected with the belt 43.

When the embodiment is used, the sliding plate 42 and the belt 43 are fixed to effectively prevent the belt 43 from slipping, so that the positioning between the bracket 41 and the sliding plate 42 is inaccurate, and further the equipment cannot work accurately or even cannot work. The fixing mode of the sliding plate 2 and the belt 43 may be screw connection or riveting, or the sliding plate 2 may be provided with teeth corresponding to the teeth of the timing belt to be meshed with the timing belt. As a specific embodiment, as shown in fig. 3, a connecting portion is provided on the sliding plate 42 on one side of the belt 43, the connecting portion includes an L-shaped plate, a linear plate and a connecting member, one side of the L-shaped plate is fixed on the sliding plate 42, the other side of the L-shaped plate abuts against the belt 43, the other side of the belt 43 is provided with the linear plate, and then the L-shaped plate and the linear plate are connected through the connecting member to clamp the belt 43. Through holes are arranged at corresponding positions on the L-shaped plate, the belt 43 and the linear plate, and the connecting piece penetrates through the L-shaped plate, the belt 43 and the linear plate to be fixedly connected. The connector may be a threaded fastener. Preferably, the belt 43 is a synchronous belt, and the tooth-shaped contact portion of the L-shaped plate or the linear plate and the synchronous belt is provided with a corresponding tooth shape. The connecting part is fixedly connected with the synchronous belt, so that the fixing of the sliding plate 42 and the synchronous belt is ensured, and the motion precision of the sliding plate 42 is ensured; in addition, the detachable L-shaped plate, the synchronous belt and the linear plate are convenient for the maintenance of the movable seat frame, and the maintenance cost of the equipment is reduced.

As a modified specific embodiment, the guide rail 2 is a linear guide rail, the cross beam 3 is provided with a corresponding slide block 31, and rolling friction is generated between the guide rail 2 and the slide block 31; the sliding rail 411 is a linear guide rail two, a corresponding sliding block two is arranged on the sliding plate 42, and rolling friction is formed between the sliding rail 411 and the sliding block two.

In the present embodiment, when in use, the guide rail 2 and the slide rail 411 are respectively linear guide rails, rolling friction is generated between the guide rail 2 and the corresponding slide block 31, and rolling friction is generated between the slide rail 411 and the second slide block, specifically, the moving component of the rolling friction may be a roller or a ball. Rolling friction is less frictional than sliding friction, less force is required to drive the beam 3 or/and the sled 42, and the response speed of the driving beam 3 or/and the sled 42 is faster.

As a modified specific embodiment, the rolling component of the slider 31 is a ball, and the contact surface of the guide rail 2 corresponding to the slider 31 is provided with an arc-shaped groove; the rolling parts of the second sliding block are rolling balls, and arc-shaped grooves are formed in the corresponding contact surfaces of the sliding rail 411 and the second sliding block.

In the embodiment, when the linear guide rail is used, the sliding block 31 and the rolling components of the second sliding block are respectively balls, and the arc-shaped grooves are arranged at the corresponding positions where the linear guide rail contacts with the balls, so that the friction modes between the guide rail 2 and the sliding block 31 and between the sliding rail 411 and the second sliding block are rolling friction, the force required for driving the cross beam or/and the sliding plate 42 to move is reduced, and the response speed of the cross beam 3 or/and the sliding plate 42 is more sensitive. In addition, the linear guide rail which moves in a ball-bearing mode has automatic centering capacity, namely, the arc groove on the guide rail is arranged, so that the linear guide rail can be absorbed by the interior of the linear guide rail block even if the mounting surface has some deviation by means of elastic deformation of steel balls and transfer of contact points during mounting, and the effect of automatic centering capacity is generated, so that high-precision stable smooth motion is obtained.

As a modified specific embodiment, the device further comprises a second workbench 5, wherein the second workbench 5 is arranged on the side, close to the operator, of the workbench 1; the second workbench 5 comprises a base 51 and a rotating shaft 52, the rotating shaft 52 is horizontally arranged, two ends of the rotating shaft 52 are respectively sleeved in bearings of the point drilling machine, and the base 51 is sleeved on the rotating shaft 52 and rotates around the rotating shaft 52.

When the drilling machine is used in the embodiment, the second workbench 5 is used for placing parts with point drills, two ends of a rotating shaft 52 of the second workbench 5 are respectively sleeved on bearing seats of the point drilling machine equipment, and the rotating shaft 52 can rotate around the axis of the rotating shaft; the rectangular parallelepiped base 51 is provided with a through hole, the base 51 is sleeved on the rotating shaft 52, the base 51 and the rotating shaft 52 are relatively fixed, and the base 51 can rotate around the rotating shaft 52. The working part is mounted on the frame 4 and can reach the base 51 and work through X, Y, Z three-axis freedom.

When the part has an arc-shaped convex part and needs key point drill decoration, the part is arranged on the base 51, and the axis of the arc of the part is superposed with the axis of the rotating shaft 52; during point drilling operation, the base 51 is rotationally driven to rotate, the arc-shaped part rotates along with the base 51, the position to be decorated of the part sequentially passes through the machine head of the point drilling machine, and point drilling decoration is performed, so that point drilling decoration of two spatial three-dimensional arc parts is completed, and the point drilling decoration can be specifically used as ornaments such as head hoops used by girls.

As a modified embodiment, the second working table 5 further comprises a rotating table 53, the rotating table 53 is disposed on an upper plane of the base 51 parallel to the rotating shaft 52, the rotating table 53 is a revolving body, and an axis of the rotating table 53 is perpendicular to an axis of the rotating shaft 52.

In use, the rotary table 53 is disposed on the upper surface of the base 51, and the rotary table 53 can rotate around its own axis. The embodiment is suitable for decorating centrosymmetric patterns, such as a watch dial and centrosymmetric petal decoration. The rotating table 53 is used to rotate faster than X, Y to drive the beam 3 and the frame 4 to move the working parts at the same time, so that better working efficiency can be obtained, and the single-shaft action of the rotating shaft of the rotating table 53 has higher reliability and precision and faster response than the two-shaft action of the point drilling machine X, Y.

As a modified embodiment, the number of the rotating platforms 53 is 2 to 6, and the rotating platforms 53 are arranged in a row at equal intervals.

This embodiment is when using, and the setting of a plurality of revolving stages 53 makes things convenient for once to place many parts simultaneously, perhaps places the part simultaneously at equipment during operation, can improve the efficiency that the part was placed, was installed.

As a modified embodiment, the machine frame 4 is provided with the same number of working portions as the number of the rotary tables 53.

In use, the spot drilling machine of the present embodiment is provided with a plurality of heads in accordance with the number of the rotary tables 53. The working efficiency can be increased by times when the multiple machine heads work simultaneously. The plurality of rotating tables 53 are arranged on the same plane, so that the machine head is convenient to arrange in position, and the maintenance of the working parts of the machine head is also convenient.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A point drilling machine is characterized by comprising a workbench (1), three guide rails (2), a cross beam (3) and a rack (4), wherein the three guide rails (2) are arranged in parallel, one guide rail (2) is arranged on one side of the workbench, and the other two guide rails (2) are arranged on the other side of the workbench; the cross beam (3) is erected on the three guide rails (2), a guide part is arranged on the cross beam (3) along the length direction of the cross beam, and the cross beam moves linearly along the guide rails (2); the frame (4) is arranged on the cross beam (3), and the frame (4) moves linearly along the guide part on the cross beam (3).

2. A point drilling machine according to claim 1, characterized in that the machine frame (4) comprises a stand (41), a slide (42), a belt (43), a driving wheel (44) and a driven wheel (45); a sliding rail (411) is arranged on one surface of the support (41), a driving wheel (44) and a driven wheel (45) are arranged on the surface of the support (41) where the sliding rail (411) is located, the driving wheel (44) and the driven wheel (45) are connected through a belt (43), and the planes where two lines of the driving wheel (44) and the driven wheel (45) are located are parallel to the direction guided by the sliding rail (411); the sliding plate (42) is connected with the belt (43), the sliding plate (42) moves linearly along the sliding rail (411), and a connecting hole for mounting a working component is formed in one surface, far away from the support (41), of the sliding plate (42).

3. A spot drilling machine according to claim 2, characterized in that the belt (43) is a timing belt and the driving pulley (44) and the driven pulley (45) are gears corresponding to the timing belt tooth profile.

4. A point drilling machine according to claim 2, characterized in that the connection between the slide plate (42) and the belt (43) is provided with a connecting part, and the connecting part is fixedly connected with the belt (43).

5. A point drilling machine according to claim 2, characterized in that the guide rail (2) is a linear guide rail, the cross beam (3) is provided with a corresponding slide block (31), and rolling friction is generated between the guide rail (2) and the slide block (31); the sliding rail (411) is a linear guide rail II, a sliding block II is correspondingly arranged on the sliding plate (42), and rolling friction is formed between the sliding rail (411) and the sliding block II.

6. A point drilling machine according to claim 5, characterized in that the rolling parts of the slide (31) are balls, and the corresponding contact surfaces of the guide rail (2) and the slide (31) are provided with circular arc grooves; the rolling parts of the second sliding block are rolling balls, and arc-shaped grooves are formed in the corresponding contact surfaces of the sliding rail (411) and the second sliding block.

7. A point drilling machine according to claim 1, characterized by further comprising a second working table (5), the second working table (5) being arranged on the side of the working table (1) close to the operator; the second workbench (5) comprises a base (51) and a rotating shaft (52), the rotating shaft (52) is horizontally arranged, two ends of the rotating shaft (52) are respectively sleeved in bearings of the point drilling machine, and the base (51) is sleeved on the rotating shaft (52) and rotates around the rotating shaft (52).

8. A spot drilling machine according to claim 7, characterized in that said second table (5) further comprises a rotary table (53), said rotary table (53) being arranged on a base (51) in an upper plane parallel to the axis of the rotation shaft (52), said rotary table (53) being a swivel, the axis of the rotary table (53) being perpendicular to the axis of the rotation shaft (52).

9. A spot drilling machine according to claim 8, characterized in that the number of rotary tables (53) is 2-6, the rotary tables (53) being arranged in a row at equal intervals.

10. A spot drilling machine according to claim 9, characterized in that an equal number of working sections on the rotary table (53) are arranged on the machine frame (4).