CN210306711U - Multi-shaft combined special machine with inverted torque motor - Google Patents

Abstract

The utility model belongs to the technical field of machine tools, in particular to a multi-shaft combined special machine with a reverse hanging type torque motor, which comprises a bedstead, a shaft sleeve is fixedly arranged in the bed frame in the radial direction, a torque motor is axially arranged in the shaft sleeve, a main shaft is arranged in the torque motor, the peripheral of the bedstead is provided with a plurality of processing devices in the horizontal direction, a turntable bearing for axial positioning and radial positioning is arranged between the lower end of the main shaft and the shaft sleeve, the utility model greatly improves the stability and the precision of the main shaft operation through the design of the turntable bearing and the rolling bearing, the torque motor is suspended in the bedstead, no supporting structure is arranged below the torque motor, more power heads and cutter expanding heads can be installed, and the torque motor is provided with ten processing stations, so that for complex valve products, in the equipment, the whole processing can be completed, the efficiency is high, the precision is better, and the influence of man-machine relationship is small.

Description

Multi-shaft combined special machine with inverted torque motor

Technical Field

The utility model relates to a lathe technical field refers in particular to a multiaxis combination special plane with hanging torque motor upside down.

Background

Along with the gradual complication of products in the valve industry, the influence of labor cost on the industry development is larger and larger, the common machine tool structure cannot meet the machining requirements of the existing valve structure, particularly the T-shaped structure, such as a T-shaped tee joint, a water meter shell and the like, and the middle section machining process is complex, so that the common vertical combined water wheel type special machine tool cannot meet the machining requirements of the middle section machining of the valve due to the structural limitation, and a machining device for the complex valve product is urgently needed.

Disclosure of Invention

The utility model aims at providing a multiaxis combination special plane with hanging torque motor falls through the torque motor of unsettled hanging setting, solves the inconvenient problem of complicated valve product processing.

The purpose of the utility model is realized like this: the utility model provides a multiaxis combination special plane with reverse hanging torque motor, includes the bedstead, the bedstead internal diameter has set firmly the axle sleeve, and the axial is provided with torque motor in the axle sleeve, installs the main shaft in the torque motor, install a plurality of processing equipment in the periphery horizontal direction of bedstead, be provided with the revolving stage bearing that is used for axial positioning and radial positioning between the lower extreme of main shaft and the axle sleeve.

Preferably, a rolling bearing for auxiliary positioning is arranged between the upper end of the main shaft and the shaft sleeve; and a bearing cover is arranged below the turntable bearing and is fixedly connected with the shaft sleeve, and a framework oil seal is arranged between the bearing cover and the main shaft.

Preferably, O-shaped sealing rings are respectively arranged between the two ends of the torque motor and the shaft sleeve; the rolling bearing is a deep groove ball bearing, and the turntable bearing is a YRT turntable bearing.

Preferably, the upper end of the main shaft is fixedly provided with a grating drum mounting seat, and a grating encoder is arranged on the grating drum mounting seat; and a brake assembly is arranged on the upper end face of the main shaft.

Preferably, the auxiliary disc assembly is installed at the lower end of the main shaft, a groove is formed in the lower end face of the shaft sleeve, a protruding block is integrally formed on the auxiliary disc assembly, and the auxiliary disc assembly is embedded in the groove through the protruding block to achieve a labyrinth seal structure.

Preferably, a plurality of synchronous clamp assemblies for clamping the workpiece are fixed on the periphery of the auxiliary disc assembly, an oil distributor assembly is arranged in the auxiliary disc assembly, and the oil distributor assembly is communicated with each synchronous clamp assembly.

Preferably, a plurality of observation windows are arranged on the peripheral side of the bedstead, and the inner sides of the observation windows are obliquely arranged towards the lower oblique direction in the bedstead; a discharge port inclined towards the lower oblique direction is formed in the bedstead, the discharge port is connected with a discharge cylinder, and the discharge cylinder is connected with a chip removal machine; a plurality of mounting holes for mounting processing equipment are formed in the bedstead.

Preferably, the number of the mounting holes is at least ten, and the machining equipment comprises a power head and a cutter head.

Preferably, the bed frame is integrally formed using a double plate type structure; a water tank for collecting liquid is formed on the periphery of the bed frame; a proximity switch induction mechanism for detecting the running position of the auxiliary disc assembly is arranged in the bedstead; the lower end face of the bed frame is detachably connected with a hoisting auxiliary device.

Preferably, a ground pedal assembly is arranged on the periphery of the bed frame, a set top assembly is arranged at the upper end of the bed frame, the bed frame is connected with an electric box for providing power for a special machine, and the bed frame is connected with a hydraulic station.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a suspension type torque motor's design, with the unsettled setting of torque motor in the bedstead, the below does not have bearing structure, can install more unit heads and exhibition tool bit, has ten processing stations, consequently to complicated valve product, in this equipment, can accomplish holistic processing promptly, efficient and the precision is better, and the human-computer relation influences for a short time.

2. The utility model discloses a suspension type torque motor's design, the below does not have bearing structure, and cutting fluid, bits material are directly delivered downwards through gravity, and the chip removal is convenient.

3. The utility model discloses a revolving stage bearing and antifriction bearing's design has improved the stability and the precision of main shaft operation greatly.

4. The utility model discloses an installation brake subassembly and cooperation grating encoder on the main shaft can pinpoint the rotation of main shaft, improves the precision.

5. The utility model discloses use torque motor as the main shaft power supply, the cost is lower, compact structure, and the availability factor is high, and torque motor's rigidity is very strong, and the characteristic is very hard after combining with the load.

6. The utility model discloses a design of auxiliary assembly maze structure, the function that the cooperation main shaft axle sleeve reaches non-contact waterproof, dustproof and separation powder, sealing performance is good.

7. The utility model discloses a bedstead wholly adopts the casting technology to make to through the design of double plate formula structure, reduced to require thick too big because of equipment intensity, and leaded to the casting shrink to produce the casting defect, like gas pocket, crack, sunken etc..

8. The utility model discloses a solve the design of switch response mechanism, in the in-service use, can cooperate the position of auxiliary assembly secondary detection equipment operation, guarantee the holistic machining precision of equipment.

9. The utility model discloses a design of bedstead window all around makes things convenient for the maintenance of unit head and cutter, and the convenience can in time discover the trouble station and overhaul to the monitoring of each station processing conditions, reduces equipment because the dead time of trouble.

Drawings

Fig. 1 is a schematic structural diagram of the present invention when an external device is installed.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic structural diagram of the torque motor.

Fig. 4 is a top view of the torque motor.

Fig. 5 is a sectional view of the structure at a-a in fig. 4.

Fig. 6 is a schematic perspective view of a bed frame.

Fig. 7 is a schematic structural view of the sub-disc assembly.

Fig. 8 is a cross-sectional view of the sub-disc assembly.

Fig. 9 is a top view of the bed frame.

Fig. 10 is a sectional view of the structure at B-B in fig. 8.

Fig. 11 is a sectional view showing the moment motor installed in the frame.

Reference numerals: 1-bed frame; 2-a torque motor; 3-a main shaft; 4-shaft sleeve; 5-a turntable bearing; 6-rolling bearings; 7-a bearing cap; 8-framework oil seal; 9-grating drum mounting seat; 10-a sub disc assembly; 11-a groove; 12-a bump; 13-a synchronization clip assembly; 14-an oil separator assembly; 15-observation window; 16-blanking port; 17-a drainage cylinder; 18-chip removal machine; 19-mounting holes; 20-processing equipment; 21-a water tank; 23-a hoisting assistance device; 24-a ground treadle assembly; 25-a set top plate assembly; 26-an electric box; 27-a grating encoder; 28-a brake assembly; 29-O-ring seal.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-11.

A multi-shaft combined special machine with an inverted torque motor.

As shown in fig. 2, including bedstead 1, the unsettled hanging torque motor 2 that is provided with in bedstead 1, preferably the upper end of fixed motor, fluid can be because gravity downward flow, therefore lubricated oiling is more convenient, and torque motor 2's below does not have the bearing structure setting, in the course of working, cutting fluid, bits material etc. because the gravity of self will fall into the chip removal device of below automatically, the chip removal is more convenient, can also install the unit head in the below simultaneously, realize the processing of more stations, solve the processing problem of complicated product.

Combine fig. 5 and fig. 11, the utility model discloses a torque motor is as the main shaft power supply, and the cost is lower, and torque motor 2 sets firmly in bedstead 1 through the axle sleeve 4 that its periphery cover was established, and the both sides shaping of axle sleeve 4 up end has connecting portion, and connecting portion pass through the fastener to be fixed on the bedstead 1, and consequently axle sleeve 4's lower extreme is in unsettled state, installs main shaft 3 in torque motor 2, is provided with the revolving stage bearing 5 that is used for axial positioning and radial positioning between main shaft 3's lower extreme and the axle sleeve 4, be provided with antifriction bearing 6 that is used for assistance-localization real-time between main shaft 3's upper end.

The utility model discloses a revolving stage bearing 5 bears the gravity of torque motor 2, revolving stage bearing 5 is YRT revolving stage bearing, two axial rollers of YRT revolving stage bearing bear the axial load and a radial roller bears the radial load and constitute, two axial rollers guarantee stable axial bearing capacity, a radial roller guarantees that the bearing can bear the radial force and the moment effect of toppling, the slewing mechanism who is fit for the axial to bear, YRT bearing has and is fit for axial and radial bearing mechanism, high slope rigidity and high precision, be applicable to the swivel work head, chuck and indisputable tool bit and measure and the bearing configuration in the experiment; and auxiliary positioning is carried out through the deep groove ball bearing, and the deep groove ball bearing mainly bears radial load and can bear radial load and axial load at the same time. When it is subjected to only radial loads, the contact angle is zero. When the deep groove ball bearing has larger radial play, the deep groove ball bearing has the performance of an angular contact bearing, can bear larger axial load, has small friction coefficient and high limit rotating speed, can obtain higher precision and larger bearing capacity, and is favorable for improving the stability in working.

Specifically looking at fig. 5, the bearing cap 7 is installed to the below of revolving stage bearing 5, and bearing cap 7 and axle sleeve 4 fastening connection further fix revolving stage bearing 5's position to can prevent that the dust from getting into, improve life, be provided with skeleton oil blanket 8 between bearing cap 7 and the main shaft 3, prevent the lubricating oil seepage in the revolving stage bearing 5, be favorable to increase of service life.

Referring to fig. 5, O-ring seals 29 are respectively disposed between the two ends of the torque motor 2 and the shaft sleeve 4, so as to further improve the sealing performance, prevent impurities from entering the torque motor 2, and ensure the working accuracy.

With reference to fig. 3 and 4, a grating drum mounting seat 9 is fixedly arranged at the upper end of the main shaft 3, and a grating encoder 27 is arranged on the grating drum mounting seat 9; the brake assembly 28 is mounted on the upper end surface of the main shaft 3, and the brake assembly 28 is in the form of a disc brake, and the specific structure and the working principle thereof are skilled in the art, and therefore will not be described herein.

The grating encoder 27 is a commercially available device, and the working principle and the specific structure are well known to those skilled in the art, so that no explanation is needed in this document.

Because the torque motor 2 has soft mechanical characteristics and cannot be accurately positioned, the effect of more accurate positioning can be achieved by adding the grating encoder 27, the main shaft rotation can be accurately positioned through the matching of the brake assembly 28, and the working precision is greatly improved.

The DD is the abbreviation of direct driver, and comprises a torque motor and a linear motor, and the motor added later is called as a DD direct drive motor and is also called as a direct drive motor.

Because of its large output torque, some companies refer to this product directly as torque servo. Unlike conventional motors, the high torque of the product allows it to be directly connected to the moving device, thus eliminating the need for connecting mechanisms such as reducers, gearboxes, pulleys, etc., and hence it will be referred to as a direct drive motor.

The torque motor 2 is a conventional device that should be understood by those skilled in the art, and therefore, the operation principle and the specific structure thereof will not be described herein.

With reference to fig. 5 and 8, an auxiliary disc assembly 10 is mounted at the lower end of the shaft sleeve 4, a groove 11 is formed on the lower end surface of the shaft sleeve 4, a protrusion 12 is integrally formed on the auxiliary disc assembly 10, the auxiliary disc assembly 10 is embedded in the groove 11 through the protrusion 12 to realize a labyrinth structure, during the actual working process, the peripheral side of the auxiliary disc assembly 10 is a processing station, so that a large amount of debris, cutting fluid and other substances are scattered on the surface and enter the main shaft from the gap between the component connections to affect the precision of the main shaft, therefore, the sealing structure between the auxiliary disc assembly 10 and the shaft sleeve 4 is very important, in the technical scheme, because the protrusion 12 is integrally formed on the auxiliary disc assembly 10, if liquid outside the shaft sleeve 4 wants to enter the inside of the shaft sleeve, the liquid on the shaft sleeve 4 needs to flow over the protrusion 12 to enter the inside of the shaft sleeve 4, therefore, the height of the liquid level outside the cutting fluid is higher than that of the bump 12 to enter the interior, and the upper end of the auxiliary disc assembly 10 is a plane, so that the cutting fluid flows downwards along with the gravity, and a large amount of cutting fluid or scraps cannot enter the interior of the shaft sleeve 4, and a good sealing effect is achieved.

This technical scheme passes through labyrinth seal structure's design, and its concrete structural style is recess 11 and lug 12's cooperation, reaches the function of non-contact waterproof, dustproof and separation cutting powder, has inside the clearance that radially arranges makes pollutant and cutting fluid be difficult to get into, has good sealed effect, and waterproof while reduces the requirement to motor output torque, reduces the energy consumption, further guarantees the machining precision and the stability ability of equipment, improve equipment's life.

With reference to fig. 7 and 8, ten synchronous clamp assemblies 13 for clamping workpieces are fixed on the outer periphery of the auxiliary disc assembly 10, so that more stations can be machined, and the production efficiency can be improved, wherein a ten-station oil distributor assembly 14 is arranged in the auxiliary disc assembly 10, the oil distributor assembly 14 is communicated with each synchronous clamp assembly 13, oil lubrication is provided for each synchronous clamp assembly 13, and the communication structure between the oil distributor assembly 14 and the synchronous clamp assemblies is designed by conventional means of those skilled in the art, and therefore, the explanation is not provided herein.

With reference to fig. 1 and 6, a plurality of observation windows 15 are formed on the periphery of the bed frame 1, so that the maintenance of the power head and the tools is facilitated, the processing conditions of each station are conveniently detected, fault stations can be found in time and maintained, the inner sides of the observation windows 15 are obliquely arranged towards the oblique lower side inside the bed frame 1, the accumulation of scraps inside the observation windows 15 in the processing process is reduced, and the scraps can slide into a scrap discharge port along with the inclined surface; a blanking port 16 which is inclined downwards in an inclined manner is formed in the bedstead 1, scraps and cutting fluid generated in the machining process can slide into the blanking port through the inclined surface, so that the accumulation of the scraps is effectively prevented, a discharge cylinder 17 is connected below the blanking port 16, the discharge cylinder 17 is connected with a scrap removal machine 18, the scraps enter the scrap removal machine 18, the scraps are discharged in time, the accumulation is prevented, and the operation of equipment is influenced; the bedstead 1 is provided with a plurality of mounting holes 19 for mounting processing equipment 20, ten stations are taken as an example, when the inverted torque motor is used for processing T-shaped products, the maximum number of power heads can be 9 in the middle section processing, and the influence on human organs is small.

Referring to fig. 6 in particular, the bed frame 1 is integrally manufactured by a casting process, which is a forging process widely used in the prior art, and therefore, the specific process steps are not described herein; the bed frame 1 is designed in a double-plate structure, the specific structure of the bed frame 1 comprises a first bed plate and a second bed plate, a cavity is formed between the first bed plate and the second bed plate, the first bed plate and the second bed plate are connected through a transverse plate, and the design of the cavity can reduce casting defects such as air holes, cracks, depressions and the like caused by casting shrinkage due to overlarge plate thickness caused by equipment strength requirements, so that the integral bed frame 1 structure can be cast after the design is used; a water tank 21 for collecting leaked oil and overflowing cutting fluid is formed on the peripheral side of the bedstead 1; a proximity switch induction mechanism for detecting the operation position of the auxiliary disc assembly 10 is installed in the bedstead 1, a proximity switch induction screw is arranged at the far rotating end, and the rotating position of the secondary detection system can ensure the overall processing precision of the equipment, wherein the proximity switch induction mechanism is equipment purchased in the market, so the specific structure is not repeated; the lower end face of the bedstead 1 is detachably connected with a hoisting auxiliary device 23, and the hoisting auxiliary device 23 can be disassembled and assembled, so that the equipment can be conveniently moved and carried.

Referring to fig. 1 in detail, the height of the equipment is high, the ground pedal assembly 24 is arranged on the periphery of the machine body 1, the ground pedal assembly 24 comprises a pedal platform, an operator can stand on the pedal platform to improve the observation sight, the operator can observe the internal condition of the equipment conveniently and can examine and repair conveniently, a side step handrail is arranged on the outer side of the pedal platform and is used as a member for being held by the operator when walking, one side of the pedal platform is provided with a step which has the same function as a stair and is convenient for the operator to reach the pedal platform, the upper end of the machine body 1 is provided with a machine top plate assembly 25, the machine top plate assembly 25 comprises a top plate platform and a machine top guardrail arranged on the periphery of the top plate platform, one side of the machine top plate assembly 25 is provided with a folding ladder, the operator can climb on the machine top plate assembly 25 through the folding ladder to stand on the top plate platform, the top of the device is convenient to maintain and replace, the folding ladder can be folded when not in use, the use space is saved, the specific folding structure and the principle of the folding ladder are the prior art, and therefore specific explanation is not needed in the text, the lathe bed main body 1 is connected with an electric box 26 used for providing power for a waterwheel, and the lathe bed main body 1 is connected with a hydraulic station.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a multiaxis combination special plane with hanging torque motor, includes bedstead (1), its characterized in that, bedstead (1) internal diameter has set firmly axle sleeve (4), and axial is provided with torque motor (2) in axle sleeve (4), installs main shaft (3) in torque motor (2), install a plurality of processing equipment (20) on the periphery horizontal direction of bedstead (1), be provided with between the lower extreme of main shaft (3) and axle sleeve (4) and be used for axial positioning and radial positioning's revolving stage bearing (5).

2. The special multi-shaft combined machine with the inverted torque motor as claimed in claim 1, wherein: a rolling bearing (6) for auxiliary positioning is arranged between the upper end of the main shaft (3) and the shaft sleeve (4); bearing cap (7) are installed to the below of revolving stage bearing (5), bearing cap (7) and axle sleeve (4) fastening connection, be provided with skeleton oil blanket (8) between bearing cap (7) and main shaft (3).

3. The special multi-shaft combined machine with the inverted torque motor as claimed in claim 2, wherein: o-shaped sealing rings (29) are respectively arranged between the two ends of the torque motor (2) and the shaft sleeve (4); the rolling bearing (6) is a deep groove ball bearing, and the turntable bearing (5) is a YRT turntable bearing.

4. The special multi-shaft combined machine with the inverted torque motor as claimed in claim 1, wherein: the upper end of the main shaft (3) is fixedly provided with a grating drum mounting seat (9), and a grating encoder (27) is arranged on the grating drum mounting seat (9); and a brake assembly (28) is arranged on the upper end surface of the main shaft (3).

5. The special multi-shaft combined machine with the inverted torque motor as claimed in claim 1, wherein: auxiliary assembly (10) are installed to the lower extreme of main shaft (3), the lower terminal surface shaping of axle sleeve (4) is fluted (11), integrated into one piece has lug (12) on auxiliary assembly (10), auxiliary assembly (10) are inlayed through lug (12) and are established realize labyrinth seal structure in recess (11).

6. The special multi-shaft combined machine with the inverted torque motor as claimed in claim 5, wherein: the auxiliary disc assembly (10) is fixed with a plurality of synchronous clamp assemblies (13) used for clamping workpieces at the periphery, an oil distributor assembly (14) is arranged in the auxiliary disc assembly (10), and the oil distributor assembly (14) is communicated with the synchronous clamp assemblies (13).

7. The special multi-shaft combined machine with the inverted torque motor as claimed in claim 1, wherein: a plurality of observation windows (15) are arranged on the peripheral side of the bedstead (1), and the inner sides of the observation windows (15) are obliquely arranged towards the lower oblique side inside the bedstead (1); a blanking port (16) inclined towards the lower oblique direction is formed in the bedstead (1), the blanking port (16) is connected with a drainage cylinder (17), and the drainage cylinder (17) is connected with a chip removal machine (18); the bed frame (1) is provided with a plurality of mounting holes (19) for mounting processing equipment (20).

8. The special multi-shaft combined machine with the inverted torque motor as claimed in claim 7, wherein: the number of the mounting holes (19) is at least ten, and the machining equipment (20) comprises a power head and a cutter expanding head.

9. The special multi-shaft combined machine with the inverted torque motor as claimed in claim 1, wherein: the bed frame (1) is integrally formed by using a double-plate structure; a water tank (21) for collecting liquid is formed on the peripheral side of the bedstead (1); a proximity switch induction mechanism for detecting the operation position of the auxiliary disc assembly (10) is arranged in the bedstead (1); the lower end face of the bedstead (1) is detachably connected with a hoisting auxiliary device (23).

10. The special multi-shaft combined machine with the inverted torque motor as claimed in claim 1, wherein: the multifunctional bed is characterized in that ground pedal assemblies (24) are arranged on the peripheral sides of the bed frame (1), a set top plate assembly (25) is arranged at the upper end of the bed frame (1), the bed frame (1) is connected with an electric box (26) used for providing power for a special machine, and the bed frame (1) is connected with a hydraulic station.

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