CN218225747U - Gantry lead screw structure - Google Patents

Abstract

The utility model discloses a longmen lead screw structure relates to lead screw technical field. This portal frame is inside to be provided with drive screw, drive screw threaded connection and the top of slider, and the bottom of slider is provided with the clean mechanism of bearing, can reduce the extreme down pressure that brings of drive screw and carry out daily sweeping the ash and treating oil to drive screw, and the clean mechanism of bearing includes: the bearing plate, the fixed block, the fixed strip, burnisher, the connecting seat, the bearing plate welds on the baffle of portal frame both sides, the bearing plate blocks the slider near one side of slider, prevent that the slider from dropping heavy use of board and can reduce the overweight decurrent pressure that produces of drive screw, burnisher's convenient dismantlement and change make it do different function uses, can use the brush to carry out daily deashing to drive screw during ordinary normal use, can not produce slight deviation influence mould when making drive screw move, it can change the brush of oiling to its brushing oil to maintain.

Description

Gantry lead screw structure

Technical Field

The utility model relates to a lead screw technical field specifically is a gantry lead screw structure.

Background

The planer type milling machine, called planer type milling for short, is a milling machine with portal frame and horizontal long lathe bed, can process the surface simultaneously with many milling cutters on the planer type milling machine, the machining precision and production efficiency are all higher, be applicable to processing the plane and the inclined plane of large-scale work piece in wholesale and mass production, the numerical control planer type milling machine still can process space curved surface and some special parts, the motion of planer type milling machine is realized through lead screw transmission mostly, the lead screw is the most commonly used drive element on tool machinery and precision machinery, its main function is to convert rotary motion into linear motion, or convert the moment of torsion into axial repeated acting force, have high accuracy, reversibility and efficient characteristics simultaneously concurrently.

The existing large punching machine is relatively tall, and the gantry screw rod is arranged at the top to control the left and right movement of the cutter seat and the milling head; the gantry screw of the large gantry milling machine on the current market is very inconvenient to disassemble, and the screw is arranged to be high and a plurality of screws are heavy and long, so that the screws are inconvenient to disassemble, brush oil and clean.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a gantry screw structure has solved the overweight downward extrusion of drive screw and is difficult for clearance, fat liquoring problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a longmen lead screw structure, includes the portal frame, the inside drive screw that is provided with of portal frame, drive screw threaded connection and the top of slider, the bottom fixedly connected with cutter saddle of slider the bottom of slider is provided with the clean mechanism of bearing for reduce the excessive downward pressure that brings of drive screw, the clean mechanism of bearing includes:

the bearing plates are welded on the baffle plates on two sides of the portal frame, one side of the bearing plates close to the sliding block clamps the sliding block to prevent the sliding block from falling off, and the heavy plates support the downward pressure of the screw rod through clamping the sliding block;

the fixed block is arranged on one side of the bearing plate, which is far away from the sliding block, and does not hinder the movement of the sliding block;

the fixing strip is welded on the upper surface of the fixing block, a groove is formed in the upper end of the fixing strip, and the size of the groove is matched with that of the tool base above the groove;

the lower end of the cleaning tool is clamped inside the fixing strip, the lower end of the cleaning tool is provided with a convex block and matched with the groove, so that the cleaning tool is more convenient and simpler to replace, a brush can be normally used for cleaning dust and small garbage floating on the lead screw to prevent the dust and the small garbage from being adhered to the lead screw, fine deviation can be generated on the moving precision of the slide block, the problem is caused when a mould is manufactured, the subsequent functions of oiling and the like by replacing the brush with oiling can be automatically brushed, and the brush can be replaced after the work;

the connecting seat, heavy pouring weight and slider pass through connecting seat fixed connection, and both fixed connection can make the removal of fixed block more steady, drive burnisher work about along with the removal of slider.

Preferably, the two groups of bearing cleaning mechanisms are symmetrically arranged by taking the center line of the sliding block as a symmetry axis, so that the cutter seat can work back and forth to clean the two sides.

Preferably, the fixed block is provided with the pulley, makes the fixed block can be convenient along with the sliding block during operation remove about, can not block, and fixed block and slider fixed connection, so can not lead to rocking when the fixed block removes.

Preferably, the cleaning tool is a brush which can be conveniently detached and replaced, the upper part of the brush has a larger using area, so that the transmission screw rod can be cleaned in a wider range during work, the brush is easy to replace, and different tools can be replaced according to different requirements.

Preferably, the connecting seat is L-shaped, and the fixed block moves along with the sliding block through fixed connection, so that the operation is more convenient.

Preferably, the depth of the groove is adapted to the length of the cleaning tool.

(III) advantageous effects

The utility model provides a gantry screw for machining. The method has the following beneficial effects:

(1) This gantry screw for machining, through setting up heavy board and hold up the oppression that slider and drive screw's weight reduced the drive screw overweight and acted on one's own accord, through setting up the cleaning device removal that the connecting seat drove the rear at slider during operation fixed connection, make it can make a round trip to clean the dust on the drive screw, make the drive screw during operation precision can not receive the influence, and then influence the accuracy of mould.

(2) This gantry screw is used in machining, cleaning device use the joint, dismantle more easily and change different instrument operations, do not need the people to stand and mill the manual brush oil of going on at the gantry during brushing oil for example, only need to change the brush oil and start the machine, the brush oil just can make a round trip to work automatically, reduces manual work.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the fixing strip and the cleaning tool of the present invention;

fig. 3 is a schematic structural diagram of the whole part a of the present invention.

In the figure: 1. a gantry; 2. a drive screw; 3. a slider; 4. a load bearing cleaning mechanism; 5. a weight plate; 6. a fixed block; 7. a fixing strip; 8. a groove; 9. a cleaning tool; 10. a connecting seat; 11. a cutter seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a longmen lead screw for machining, includes portal frame 1, and 1 inside drive screw 2 that is provided with of portal frame, the top of 2 threaded connection of drive screw and slider 3, the bottom of 11 sliders 3 of the bottom fixedly connected with cutter saddle of slider 3's bottom are provided with the clean mechanism of bearing 4 for reduce the downward pressure that drive screw 2 overweight brought and carry out daily sweeping the ash and treating oil to drive screw 2, the clean mechanism of bearing 4 includes:

the bearing plate 5 is welded on the baffle plates at two sides of the portal frame 1, and one side of the bearing plate 5, which is close to the sliding block 3, clamps the sliding block 3 to prevent the sliding block 3 from falling off;

the fixed block 6 is fixedly arranged on the other side of the bearing plate 5;

the fixed strip 7 is welded on the upper surface of the fixed block 6, and a groove 8 is formed in the upper end of the fixed block 6 and can be used for fixing a cleaning tool;

the lower end of the cleaning tool 9 is clamped in the fixing strip 7, and the lower end of the cleaning tool 9 is provided with a convex block which is matched with the groove 8;

the connecting seat 10, the heavy block 5 and the sliding block 3 are fixedly connected through the connecting seat 10.

Particularly, the utility model discloses among the technical scheme, clean mechanism 4 of bearing includes: bearing plate 5, fixed block 6, fixed strip 7, burnisher 9 and connecting seat 10, the use of heavy board 5 can reduce drive screw 2 and overweight production decurrent pressure, the position of fixed block can be adjusted along with the operation scope of 3 actual work of slider, burnisher 9's convenient dismantlement makes it can do different function use in different times with changing, can use the brush to carry out daily deashing to drive screw when for example ordinary normal use, clear powder bits, can not produce slight deviation influence mould when making drive screw 2 operate, the maintenance makes and to change the oil brush and to its brushing oil, reduce manual work's time.

The utility model discloses an in the embodiment, please continue to refer to fig. 1-fig. 3, bearing cleaning mechanism 4 is provided with two sets ofly, use the central line of slider 3 to set up as symmetry axis symmetry, can make cutter seat 11 make a round trip to work and make both sides all can clean like this, fixed block 6 is provided with the pulley, make fixed block 6 along with slider 3 during operation can be convenient remove about, can not block, and fixed block 6 and slider 3 fixed connection, so can not lead to rocking when fixed block 6 removes, burnisher 9 is the brush that can conveniently dismantle the change, this brush upper portion usable floor area greatly makes the during operation can be cleaner to drive screw 2 on a wider scale, connecting seat 10 is "L" font, the degree of depth of recess 8 and burnisher 9's length looks adaptation.

In order to prevent dead corners of cleaning and oil pumping caused by arranging a heavy cleaning mechanism 4 on one side when the cleaning device is used, two groups are arranged, the positions of the two groups can be adjusted according to different working ranges of the transmission screw rods 2, and the cleaning device cannot shake back and forth due to the arrangement of the fixed connecting seat 10, so that the cleaning device is more stable.

The during operation, after the planer-type milling began work, the work is controlled about the drive screw 2 began to rotate drive slider 3, at first bearing plate 5 no matter whether drive screw 2 works all welds and undertakes the decurrent pressure of drive screw 2 on portal frame 1, after the planer-type milling began work, fixed block 6 begins relative movement through with slider 3 fixed connection, burnisher 9 passes through 7 joints of fixed strip on fixed block 6, also move thereupon, carry out daily clearance dust to drive screw 2, the foreign matter that bonds on such as cuttings, avoid drive screw 2 to appear slight deviation at the during operation, influence the accuracy of mould.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a longmen lead screw structure, includes portal frame (1), portal frame (1) inside is provided with drive screw (2), drive screw (2) threaded connection is at the top of slider (3), the bottom fixedly connected with cutter holder (11) of slider (3), its characterized in that: the bottom of slider (3) is provided with the clean mechanism of bearing (4) for reduce the downward pressure that transmission lead screw (2) overweight brought, the clean mechanism of bearing (4) include:

the bearing plates (5) are welded on the baffle plates on the two sides of the portal frame (1), one side, close to the sliding block (3), of each bearing plate (5) clamps the sliding block (3), and the downward pressure of the transmission screw rod (2) is reduced;

the fixed block (6), the said fixed block (6) is fixedly mounted on one side far away from slide block (3) of bearing plate (5);

the fixing strip (7) is welded on the upper surface of the fixing block (6), and a groove (8) is formed in the upper end of the fixing strip (7);

the lower end of the cleaning tool (9) is clamped inside the fixing strip (7), and a convex block is arranged at the lower end of the cleaning tool (9) and is matched with the groove (8);

the fixing block (6) is fixedly connected with the sliding block (3) through the connecting seat (10).

2. The gantry screw structure of claim 1, wherein: the two groups of bearing cleaning mechanisms (4) are arranged, and the two groups of bearing cleaning mechanisms (4) are symmetrically arranged by taking the central line of the sliding block (3) as a symmetry axis.

3. The gantry screw structure of claim 1, wherein: the fixed block (6) is provided with a pulley, and the fixed block (6) is fixedly connected with the sliding block (3).

4. The gantry screw structure of claim 1, wherein: the cleaning tool (9) is a cleaning brush.

5. The gantry screw structure of claim 1, wherein: the connecting seat (10) is L-shaped.

6. The gantry screw structure of claim 1, wherein: the depth of the groove (8) is adapted to the length of the cleaning tool (9).

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