CN112296693A

CN112296693A - Mechanical longitudinal supporting device for horizontal screw rod of machine tool

Info

Publication number: CN112296693A
Application number: CN202011152693.8A
Authority: CN
Inventors: 刘会才
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-02-02

Abstract

The invention discloses a mechanical longitudinal supporting device for a horizontal screw rod of a machine tool, which comprises a bottom plate, wherein two connecting rods are fixedly arranged on the bottom plate through a plurality of supporting rods, two limiting blocks are fixedly arranged on the two connecting rods, the screw rod is rotatably arranged between the two limiting blocks, vertical rods are arranged on the two limiting blocks through damping mechanisms, a spring seat is fixedly arranged between each vertical rod and the bottom plate, a moving block is rotatably arranged on the screw rod through a ball nut, and a moving plate is arranged on the bottom plate through a sliding mechanism. Has the advantages that: the mode that adopts elastic support both can carry out better vertical support to the lead screw and can play certain cushioning effect, can prevent that the lead screw during operation from taking place the shake, and adopts the mode that slides and support to make the lead screw connecting piece can receive the supporting role all the time when removing, and the supporting effect is better, and can carry out self-cleaning to the lead screw, can practice thrift the time of follow-up washing lead screw.

Description

Mechanical longitudinal supporting device for horizontal screw rod of machine tool

Technical Field

The invention relates to the technical field of horizontal screw rods of machine tools, in particular to a mechanical longitudinal supporting device for the horizontal screw rods of the machine tools.

Background

The machine tool is also called a machine tool or a machine tool, is a machine for processing mechanical parts by cutting, casting, forging, welding, stamping, extruding and other modes, has the advantages of high manufacturing precision, high flatness and the like, a horizontal screw rod is generally adopted in the machine tool as a horizontal transmission assembly, and because the screw rod is generally long and the sagging deflection caused by the self weight of the screw rod is large, a longitudinal supporting device is generally arranged to support the screw rod so as to increase the running stability of the screw rod;

the existing longitudinal supporting device for the machine tool also has the following defects:

1. the existing supporting device generally adopts a rigid supporting mode, so that the screw rod is easy to shake during working, and the precision of the screw rod is influenced;

2. the existing device generally adopts a fixed support mode, so that when a screw rod works, a screw rod connecting piece is insufficient in support force when moving, and the support effect is poor;

3. the existing device is not provided with a cleaning device, and the screw rod needs to be manually cleaned after the work is finished, so that the device is troublesome.

Therefore, it is necessary to design a mechanical longitudinal supporting device for horizontal screw rod of machine tool to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems that a screw rod is easy to shake during working, the supporting force is insufficient when a screw rod connecting piece moves, and a cleaning device is not arranged in the prior art, and provides a mechanical longitudinal supporting device for a horizontal screw rod of a machine tool.

In order to achieve the purpose, the invention adopts the following technical scheme:

a mechanical longitudinal supporting device for a horizontal screw rod of a machine tool comprises a bottom plate, wherein two connecting rods are fixedly arranged on the bottom plate through a plurality of supporting rods, two limiting blocks are fixedly arranged on the two connecting rods respectively, a screw rod is rotatably arranged between the two limiting blocks, vertical rods are arranged on the two limiting blocks respectively through damping mechanisms, a spring seat is fixedly arranged between each vertical rod and the bottom plate, a moving block is rotatably arranged on the screw rod through ball nuts, a moving plate is arranged on the bottom plate through a sliding mechanism, a plurality of lifting rods are fixedly arranged between the moving plate and the moving block, damping blocks are slidably arranged on the moving plate and the moving block respectively through fixing seats, a plurality of damping springs are fixedly arranged between the upper end and the lower end of each damping block and the corresponding fixing seat, a damping rod is fixedly arranged between the two damping blocks, and two water pumps are fixedly arranged on, the two water pumps are communicated with the telescopic hoses through water delivery pipes, straight pipes are communicated between the two telescopic hoses and the moving block, each straight pipe is communicated with two flushing pipes, and the moving block is provided with two drying mechanisms.

In the above-mentioned horizontal lead screw mechanical type longitudinal support device of a machine tool, damping mechanism includes two dwang of rotation installation on the montant, there are two sliding plates through straight board slidable mounting on the stopper, and two sliding plates rotate respectively and install on two dwang, two equal fixed mounting has a positioning spring between sliding plate and the straight board, two fixed mounting has a compression spring between the sliding plate.

In the above mechanical longitudinal support device for the horizontal screw of the machine tool, the sliding mechanism includes a trapezoidal sliding block fixedly mounted on the moving plate, and a trapezoidal sliding groove matched with the trapezoidal sliding block is formed in the bottom plate.

In the above machine tool horizontal lead screw mechanical longitudinal support device, the drying mechanism includes a drying tube fixedly mounted on a moving block, and the lead screw is located inside the drying tube and is not in contact with the drying tube, a seal ring is fixedly mounted between the drying tube and the moving block, and a heating ring is fixedly mounted on the inner wall of the drying tube.

In the above-mentioned horizontal lead screw mechanical type longitudinal support device of machine tool, set up water drainage tank in the bottom plate, and the intercommunication has two drain pipes on water drainage tank's the both ends, set up a plurality of basins on the bottom plate, and a plurality of basins all are linked together with water drainage tank.

In the above mechanical longitudinal support device for a horizontal screw rod of a machine tool, two ends of one of the connecting rods are respectively and fixedly provided with a guide rail rod, and the two guide rail rods are respectively and fixedly arranged at two ends of the other connecting rod.

In the mechanical longitudinal supporting device for the horizontal screw rod of the machine tool, the two damping blocks are fixedly provided with the rubber layers, and the two rubber layers are attached to the inner walls of the corresponding fixing seats.

In the above mechanical longitudinal support device for the horizontal screw rod of the machine tool, a rubber pad is fixedly mounted at the bottom of each straight plate, and the two sliding plates at the corresponding positions are attached to the rubber pads.

Compared with the prior art, the invention has the advantages that:

1: through setting up slide mechanism, slide mechanism makes the movable plate slide on the bottom plate, and when the lead screw work drove the movable block and removed, can drive the movable plate through the effect of lifter and can move jointly along with the movable block to can accept the support effect of lifter and shock absorber pole all the time when making the movable block remove, the supporting role is better.

2: through setting up shock-absorbing rod and snubber block, the shock-absorbing rod can conduct vibrations to the snubber block when the lead screw work produces longitudinal vibration on, and the snubber block can extrude its upper portion damping spring and stretch its lower part damping spring promptly, and the damping spring combined action of upper and lower part can offset the longitudinal vibration that the snubber block received.

3: through setting up damper, damper sets up between stopper and bottom plate, can with the spring holder, the montant cooperatees and carries out longitudinal support to the tip of lead screw, when lead screw work makes the stopper produce vibrations, vibrations can be through straight board, the dwang is conducted to montant and spring holder on, can tentatively offset vibrations, and can stimulate two sliding plates to slide in straight board during the dwang atress, thereby then can stretch compression spring extrusion positioning spring when the sliding plate removes, compression spring and positioning spring interact can offset vibrations.

4: through setting up water pump and raceway, when needs wash the lead screw, start the water pump with the washing water in the water tank through raceway, expansion hose, straight tube pump sending to the flushing pipe on, and the flushing pipe is fixed in the both sides of movable block, can wash the lead screw of its both sides when the movable block removes, can practice thrift the time of artifical washing lead screw.

5: through setting up stoving mechanism, the heating collar in the stoving mechanism can start when wasing the lead screw, can heat the stoving to the lead screw after washing, can heat the drop of water that adheres to on the lead screw after washing and get rid of.

6: through setting up water drainage tank and lower basin, wash water behind the washing lead screw can fall on the bottom plate and can get into the water drainage tank through the lower basin on the bottom plate in, the washing water that gets into in the water drainage tank finally can get rid of through the drain pipe, can carry out automatic collection with washing water after washing and get rid of.

In conclusion, the screw rod can be longitudinally supported well and can have a certain damping effect by adopting an elastic supporting mode, the screw rod can be prevented from shaking during working, the screw rod connecting piece can be supported all the time by adopting a sliding supporting mode when moving, the supporting effect is good, the screw rod can be automatically cleaned, and the time for cleaning the screw rod subsequently can be saved.

Drawings

FIG. 1 is a schematic structural diagram of a mechanical longitudinal support device for a horizontal screw rod of a machine tool according to the present invention;

FIG. 2 is an enlarged view of a node at the point A in FIG. 1;

FIG. 3 is a top view of the bottom plate and its upper structure of FIG. 1;

FIG. 4 is an enlarged view of a node at B in FIG. 3;

FIG. 5 is a side view of the bottom plate and its upper portion of the structure of FIG. 1;

fig. 6 is an enlarged view of a node at the C point in fig. 5.

In the figure: the device comprises a base plate 1, a support rod 2, a connecting rod 3, a moving plate 4, a lifting rod 5, a fixed seat 6, a moving block 7, a mounting plate 8, a water tank 9, a water pump 10, a water delivery pipe 11, a water drainage tank 12, a water drainage tank 13, a water drainage pipe 14, a drying pipe 15, a heating ring 16, a guide rail rod 17, a limiting block 18, a screw rod 19, a telescopic hose 20, a straight pipe 21, a spring seat 22, a vertical rod 23, a rubber pad 24, a damping rod 25, a damping block 26, a damping spring 27, a rubber layer 28, a flushing pipe 29, a straight plate 30, a rotating rod 31, a.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, a mechanical longitudinal supporting device for a horizontal screw rod of a machine tool comprises a bottom plate 1, wherein two connecting rods 3 are fixedly arranged on the bottom plate 1 through a plurality of supporting rods 2, limiting blocks 18 are fixedly arranged on the two connecting rods 3, a screw rod 19 is rotatably arranged between the two limiting blocks 18, vertical rods 23 are arranged on the two limiting blocks 18 through damping mechanisms, and a spring seat 22 is fixedly arranged between each vertical rod 23 and the bottom plate 1;

the following points are notable:

1. the screw rod 19 is rotatably installed between the two limiting blocks 18, one end of the screw rod 19 is fixedly connected with the driving end of the external motor, and the external motor is started to drive the screw rod 19 to rotate.

2. The damping mechanism comprises two rotating rods 31 rotatably mounted on the vertical rod 23, two sliding plates 32 are slidably mounted on the limiting block 18 through a straight plate 30, the two sliding plates 32 are respectively rotatably mounted on the two rotating rods 31, positioning springs are fixedly mounted between the two sliding plates 32 and the straight plate 30, and a compression spring 33 is fixedly mounted between the two sliding plates 32;

damper sets up between stopper 18 and bottom plate 1, can with spring holder 22, montant 23 cooperatees, can vertically support the tip of lead screw 19, when lead screw 19 work makes stopper 18 produce longitudinal vibration, longitudinal vibration can pass through straight board 30, dwang 31 conducts to on montant 23 and the spring holder 22, spring holder 22 can tentatively offset longitudinal vibration, and can stimulate two sliding plates 32 and slide in straight board 30 during dwang 31 atress, then can stretch the compression spring 33 in middle part and extrude the positioning spring of both sides when two sliding plates 32 remove towards opposite direction, compression spring 33 and positioning spring interact can advance further offsetting vibrations.

3. The bottom of each straight plate 30 is fixedly provided with a rubber pad 24, and the two sliding plates 32 at corresponding positions are attached to the rubber pads 24, so that the sliding plates 32 can rub against the rubber pads 24 when moving, and friction force can be generated during friction, and the elastic counter force generated by the compression springs 33 and the positioning springs can be offset.

A moving block 7 is rotatably mounted on the lead screw 19 through a ball nut, a moving plate 4 is mounted on the bottom plate 1 through a sliding mechanism, a plurality of lifting rods 5 are fixedly mounted between the moving plate 4 and the moving block 7, damping blocks 26 are slidably mounted on the moving plate 4 and the moving block 7 through fixing seats 6, a plurality of damping springs 27 are fixedly mounted between the upper end and the lower end of each damping block 26 and the corresponding fixing seat 6, and a damping rod 25 is fixedly mounted between the two damping blocks 26;

the following points are notable:

1. the moving block 7 is fixedly provided with an installation plate 8, and the installation plate 8 can be fixedly connected with an external placing plate, so that the lead screw 19 can normally work.

2. The sliding mechanism comprises a trapezoidal sliding block fixedly arranged on the moving plate 4, a trapezoidal sliding groove matched with the trapezoidal sliding block is formed in the bottom plate 1, and the sliding mechanism is used for enabling the moving plate 4 to only slide on the bottom plate 1 and cannot be separated from and offset from the bottom plate 1.

3. The sliding mechanism enables the moving plate 4 to slide on the bottom plate 1, when the lead screw 19 works to drive the moving block 7 to move, the moving plate 4 is driven to move together with the moving block 7 through the pulling action of the lifting rod 5, so that the moving block 7 can always receive the supporting effect of the lifting rod 5 and the shock absorption rod 25 when moving, and the supporting effect is better.

4. When the screw rod 19 works to generate longitudinal vibration, the vibration is transmitted to the damping block 26 by the damping rod 25, the damping block 26 is subjected to vibration to press the damping spring 27 at the upper part thereof and stretch the damping spring 27 at the lower part thereof, and the longitudinal vibration received by the damping block 26 can be counteracted by the combined action of the damping springs 27 at the upper part and the lower part.

5. All fixed mounting has the rubber layer 28 on two snubber blocks 26, and two rubber layers 28 all laminate mutually with the inner wall of corresponding fixing base 6, and rubber layer 28 on it can rub mutually with the inner wall of fixing base 6 when snubber block 26 removes, can produce frictional force promptly and can offset the elasticity counter force that produces when damping spring 27 compression and tensile promptly during the friction.

Two water pumps 10 are fixedly arranged on the bottom plate 1 through two water tanks 9, the two water pumps 10 are communicated with the telescopic hoses 20 through water conveying pipes 11, straight pipes 21 are communicated between the two telescopic hoses 20 and the moving block 7, two flushing pipes 29 are communicated on each straight pipe 21, and two drying mechanisms are arranged on the moving block 7;

the following points are notable:

1. when the screw rod 19 needs to be cleaned, the water pump 10 is started to pump cleaning water in the water tank 9 to the flushing pipe 29 through the water conveying pipe 11, the telescopic hose 20 and the straight pipe 21, the flushing pipe 29 is fixed to the two sides of the moving block 7, the screw rods 19 on the two sides of the moving block 7 can be flushed while the moving block 7 moves, and time for manually cleaning the screw rods 19 can be saved.

2. The flexible hose 20 has certain elasticity and flexibility, can extend and contract along with the movement of the moving block 7, and can ensure that the cleaning water in the water tank 9 can be always conducted to the flushing pipe 29 through the flexible hose 20 when the moving block 7 moves.

3. The drying mechanism comprises a drying tube 15 fixedly mounted on the moving block 7, a screw rod 19 is located inside the drying tube 15 and is not in contact with the drying tube 15, a heating ring 16 is fixedly mounted on the inner wall of the drying tube 15, the heating ring 16 in the drying mechanism can be started while the screw rod 19 is cleaned, the heating ring 16 can heat and dry the washed screw rod 19, and water drops attached to the washed screw rod 19 can be heated and removed.

4. A sealing ring is fixedly arranged between the drying pipe 15 and the moving block 7, and the sealing ring plays a role in sealing and can prevent cleaning water from entering the ball position on the screw rod 19 during washing.

5. Set up water drainage tank 12 in the bottom plate 1, and the intercommunication has two drain pipes 14 on the both ends of water drainage tank 12, a plurality of gutters 13 have been seted up on the bottom plate 1, and a plurality of gutters 13 all are linked together with water drainage tank 12, wash the washing water behind the lead screw 19 and can fall on the bottom plate 1 and can get into water drainage tank 12 through the gutters 13 on the bottom plate 1 in, the washing water that gets into in the water drainage tank 12 finally can get rid of through drain pipe 14, can carry out automatic collection with washing water after washing and get rid of.

6. Two ends of one connecting rod 3 are respectively and fixedly provided with a guide rail rod 17, the two guide rail rods 17 are respectively and fixedly arranged at two ends of the other connecting rod 3, and the two guide rail rods 17 provide moving guide rails for normal work of the machine tool.

7. The water pump 10 is preferably of the PW-177EH type.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The mechanical longitudinal supporting device for the horizontal screw rod of the machine tool comprises a bottom plate (1) and is characterized in that two connecting rods (3) are fixedly mounted on the bottom plate (1) through a plurality of supporting rods (2), limiting blocks (18) are fixedly mounted on the two connecting rods (3), a screw rod (19) is rotatably mounted between the two limiting blocks (18), vertical rods (23) are mounted on the two limiting blocks (18) through damping mechanisms, a spring seat (22) is fixedly mounted between each vertical rod (23) and the bottom plate (1), a moving block (7) is rotatably mounted on the screw rod (19) through a ball nut, a moving plate (4) is mounted on the bottom plate (1) through a sliding mechanism, a plurality of lifting rods (5) are fixedly mounted between the moving plate (4) and the moving block (7), and damping blocks (26) are slidably mounted on the moving plate (4) and the moving block (7) through fixing seats (6), every equal fixed mounting has a plurality of damping spring (27) between the last lower extreme of snubber block (26) and corresponding fixing base (6), and fixed mounting has shock-absorbing rod (25) between two snubber blocks (26), there are two water pump (10) through two water tank (9) fixed mounting on bottom plate (1), two all through raceway (11) intercommunication and expansion hose (20) on water pump (10), and all communicate between two expansion hose (20) and movable block (7) has straight tube (21), every the intercommunication has two flushing pipe (29) on straight tube (21), install two stoving mechanisms on movable block (7).

2. The mechanical longitudinal supporting device for the horizontal screw of the machine tool according to claim 1, wherein the damping mechanism comprises two rotating rods (31) rotatably mounted on the vertical rod (23), the limiting block (18) is slidably mounted with two sliding plates (32) through a straight plate (30), the two sliding plates (32) are respectively rotatably mounted on the two rotating rods (31), a positioning spring is fixedly mounted between each of the two sliding plates (32) and the straight plate (30), and a compression spring (33) is fixedly mounted between each of the two sliding plates (32).

3. The mechanical longitudinal supporting device for the horizontal screw rod of the machine tool according to claim 1, wherein the sliding mechanism comprises a trapezoidal sliding block fixedly mounted on the moving plate (4), and a trapezoidal sliding groove matched with the trapezoidal sliding block is formed in the bottom plate (1).

4. The mechanical longitudinal supporting device for the horizontal screw rod of the machine tool as claimed in claim 1, wherein the drying mechanism comprises a drying tube (15) fixedly mounted on a moving block (7), the screw rod (19) is located inside the drying tube (15) and is not in contact with the drying tube (15), a sealing ring is fixedly mounted between the drying tube (15) and the moving block (7), and a heating ring (16) is fixedly mounted on the inner wall of the drying tube (15).

5. The mechanical longitudinal supporting device for the horizontal screw rod of the machine tool according to claim 3, wherein a drainage groove (12) is formed in the bottom plate (1), two drainage pipes (14) are communicated with two ends of the drainage groove (12), a plurality of drainage grooves (13) are formed in the bottom plate (1), and the drainage grooves (12) are communicated with the drainage grooves (13).

6. The mechanical longitudinal supporting device for the horizontal screw rod of the machine tool according to claim 1, wherein two ends of one connecting rod (3) are respectively and fixedly provided with a guide rail rod (17), and the two guide rail rods (17) are respectively and fixedly arranged at two ends of the other connecting rod (3).

7. The mechanical longitudinal supporting device for the horizontal screw rod of the machine tool as claimed in claim 1, wherein a rubber layer (28) is fixedly arranged on each of the two shock absorption blocks (26), and each of the two rubber layers (28) is attached to the inner wall of the corresponding fixed seat (6).

8. The mechanical longitudinal support device for the horizontal screw rod of the machine tool as claimed in claim 2, wherein a rubber pad (24) is fixedly arranged at the bottom of each straight plate (30), and the two sliding plates (32) at corresponding positions are attached to the rubber pad (24).