阅读说明：本技术 一种大承载横梁支撑装置及使用方法 (Large bearing beam supporting device and using method ) 是由 马洪亮 董学哲 赵志军 季卫东 姜川 马伟明 杨宇 于海 周岩 黄鹏 高大伟 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种大承载横梁支撑装置及使用方法,属于机床设备技术领域。大承载横梁支撑装置对称使用,安装在横梁下面左右各一套,大承载横梁支撑装置主要包括：固定体、螺钉、移动杆、端盖、导向键、行程开关A、行程开关B、管接头A、管接头B、螺塞、斜铁、挡板、L板和支撑面除尘机构,具备螺钉、斜铁双重紧固功能,极大地提高了支撑装置的承载能力及横梁的稳定性；在装置中设置了导向键及行程开关,提高了其定位精度；同时设计了支撑面强力吹风结构,能够很好地清洁支撑面存在的粉尘等杂质,提高了其定位精度及适应环境的能力。(The invention discloses a large bearing cross beam supporting device and a using method thereof, and belongs to the technical field of machine tool equipment. Big load beam strutting arrangement symmetry is used, installs respectively one set about below the crossbeam, and big load beam strutting arrangement mainly includes: the support device comprises a fixing body, a screw, a moving rod, an end cover, a guide key, a travel switch A, a travel switch B, a pipe joint A, a pipe joint B, a screw plug, an inclined iron, a baffle plate, an L plate and a support surface dust removal mechanism, has the double fastening functions of the screw and the inclined iron, and greatly improves the bearing capacity of the support device and the stability of a cross beam; the device is provided with the guide key and the travel switch, so that the positioning precision of the device is improved; meanwhile, a strong air blowing structure of the supporting surface is designed, so that impurities such as dust and the like in the supporting surface can be well cleaned, and the positioning precision and the environment adapting capability of the supporting surface are improved.)

1. The utility model provides a big load beam strutting arrangement, big load beam strutting arrangement symmetry is used, installs respectively one set of its characterized in that about below the crossbeam: big load beam strutting arrangement mainly includes: the device comprises a fixing body (1), a screw (2), a moving rod (3), an end cover (4), a guide key (5), a travel switch A (6), a travel switch B (7), a pipe joint A (8), a pipe joint B (9), a screw plug (11), an inclined iron (12), a baffle plate (13), an L plate (14) and a supporting surface dust removal mechanism, wherein the fixing body (1) is fastened on the lower surface of a cross beam through the screw (2), the inside of the fixing body is cylindrical and hollow, the front end of the fixing body is provided with an inclined surface, and secondary fastening is realized through the inclined iron (12) and the L plate (14); the movable rod (3) is arranged in the fixed body (1) and can move axially, a sealing structure and a lubricating annular groove are arranged on the movable rod, an air passage is arranged in the movable rod, and the tail end of the movable rod is provided with a lower plane; the end cover (4) is arranged at the front end of the fixed body (1) and is provided with a sealing structure; the guide key (5) is arranged on the side wall of the moving rod (3), a key groove is formed in the side wall of the fixed body (1), and the guide key (5) is positioned in the key groove and extends out of the side wall of the fixed body (1); the travel switch A (6) and the travel switch B (7) are arranged on the side walls of the two sides of the key groove of the fixed body (1); the pipe joint A (8) is arranged on the side surface of the fixed body (1) and is communicated with an oil chamber behind an end plate of the movable rod (3) in the fixed body (1), the pipe joint B (9) is arranged on the end cover (4) and is communicated with an oil chamber at the front end of the movable rod (3) in the fixed body (1), and the screw plug (11) is arranged on a lubricating grease injection hole on the side surface of the fixed body (1); a supporting surface dust removing mechanism is arranged on the movable rod (3), dust on a vertical column step surface in plane contact with the lower surface of the tail end of the movable rod (3) can be removed through the supporting surface dust removing mechanism, and the L plate (14) is fixed on the lower surface of the cross beam; the wedge iron (12) is wedged between the step surface of the L-shaped plate (14) and the inclined surface at the front end of the fixing body (1); the baffle (13) is combined at the end part of the wedge (12) and is fastened on the side surface of the L-shaped plate (14) through screws, and the pipe joint A (8) and the pipe joint B (9) are connected with a hydraulic system of a machine tool through a guide pipe.

2. A large load beam support apparatus as claimed in claim 1, wherein: the supporting surface dust removal mechanism comprises a pipe joint C (10), a gas circuit is arranged inside a guide key (5) and communicated with the gas circuit inside a moving rod (3), the tail end of the gas circuit of the moving rod (3) extends out of the lower plane of the tail part of the moving rod, the pipe joint C (10) communicated with the guide key (5) is installed on the guide key, and the pipe joint C (10) is connected with a machine tool pneumatic system through a guide pipe.

3. A method for using a large load-bearing beam supporting device based on any one of claims 1-2, which is characterized in that: when the device works, hydraulic oil is injected into an oil chamber behind an end plate of the moving rod (3) through the pipe joint A (8), the hydraulic oil in the oil chamber in front of the end plate of the moving rod (3) is discharged through the pipe joint B (9), the moving rod (3) is contracted into the fixed body (1) to avoid interference between the cross beam and the stand column when moving, and the two large-bearing cross beam supporting devices move along with the cross beam on a stand column guide rail of a machine tool; after the movable rod moves to the position near the target position, hydraulic oil is injected through a pipe joint B (9), the hydraulic oil is discharged through a pipe joint A (8), and the movable rod (3) extends out of the interior of the fixed body (1); at the moment, high-pressure gas is injected through the pipe joint C (10), and the high-pressure gas is blown out from the lower plane of the end part of the moving rod (3) to clean the stepped surface on the back of the upright post guide rail; and then, the large bearing cross beam supporting device moves slightly along with the cross beam, the lower plane of the end part of the moving rod (3) is in contact with the stepped surface at the back of the upright guide rail, the cross beam is stably positioned, the supporting surface is increased for the cross beam, and higher supporting force is provided for the middle part of the cross beam, so that the cross beam is stably supported.

4. The use method of the large bearing beam supporting device according to claim 3, wherein: when the movable rod (3) contracts or extends out, a guide key (5) arranged on the side surface of the movable rod is matched with a key groove on the side surface of the fixed body (1) for guiding, so that the lower plane of the end part of the movable rod (3) is always kept parallel to the stepped surface on the back of the upright post guide rail, when the large bearing cross beam supporting device bears the weight, the movable rod and the upright post guide rail can be in full contact, and the pressure distribution is uniform; when the movable rod (3) contracts, when the guide key (5) touches the travel switch A (6), the machine tool system controls the pipe joint A (8) to stop supplying oil; when the movable rod (3) extends out, when the guide key (5) touches a travel switch B (7), the machine tool system controls a pipe joint B (9) to stop supplying oil; the use of the travel switch A (6) and the travel switch B (7) ensures the accurate telescopic positioning of the movable rod (3); lubricating grease can be injected through a lubricating grease injection hole on the side surface of the fixed body (1), so that the movable rod (3) is fully lubricated during extension and contraction, and damage is avoided; after the grease is injected, the screw plug (11) is tightened to prevent impurities from entering the grease injection hole.

Technical Field

The invention relates to a large bearing cross beam supporting device and a using method thereof, belonging to the technical field of machine tool equipment.

Background

The heavy and super heavy vertical machine tool has a complex structure and many parts, a cross beam which is one of core parts of the heavy and super heavy vertical machine tool needs to perform displacement motion on an upright guide rail, the weight of the heavy and super heavy vertical machine tool is mainly borne by a lead screw after the heavy and super heavy vertical machine tool moves to a target position, and the heavy and super heavy vertical machine tool is pressed on the upright guide rail by a clamping oil cylinder through a pressure plate. The mass of the large-scale beam reaches dozens of tons to more than hundred tons, the beam also needs to bear the weight of a tool rest and cutting force during working, and the large load is mainly borne by the lead screw, so that great pressure is brought to the lead screw. Meanwhile, as the lead screw and the nut are relative moving parts, a gap must exist between the lead screw and the nut, and the stability of the cross beam is influenced by a micro gap between the lead screw and the nut when the tool rest cuts a workpiece, so that the precision of a machine tool is influenced. If the supporting device is additionally arranged on the lower portion of the cross beam, part of the weight of the cross beam, the weight of the tool rest and the cutting force are transferred to a main body component of the machine tool to be borne, the pressure of the lead screw is effectively relieved, and the stability of the cross beam is improved. However, the conventional beam supporting device has weak bearing capacity and low positioning accuracy, does not have the function of cleaning a supporting surface, and cannot be widely applied to large beams.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the large-bearing-capacity cross beam supporting device and the using method thereof, the fixing mode of the large-bearing-capacity cross beam supporting device and the cross beam is firmer and more reliable, and the supporting surface strong blowing structure is arranged, so that the positioning precision is high, and the environment adaptability is strong.

The technical scheme adopted by the invention for solving the technical problems is as follows: a big bearing beam support device and a use method thereof are provided, the big bearing beam support device is used symmetrically and is arranged on the left and the right sides below a beam, the big bearing beam support device mainly comprises: the fixing body is fastened on the lower surface of the cross beam through the screw, the inner part of the fixing body is cylindrical and hollow, the front end of the fixing body is provided with an inclined plane, and secondary fastening is realized through the inclined iron and the L plate; the movable rod is arranged in the fixed body and can move axially, a sealing structure and a lubricating annular groove are arranged on the movable rod, an air passage is arranged in the movable rod, and the tail end of the movable rod is provided with a lower plane; the end cover is arranged at the front end of the fixed body and is provided with a sealing structure; the guide key is arranged on the side wall of the moving rod, a key groove is formed in the side wall of the fixing body, and the guide key is positioned in the key groove and extends out of the side wall of the fixing body; the travel switch A and the travel switch B are arranged on the side walls of the two sides of the key groove of the fixed body; the pipe joint A is arranged on the side surface of the fixed body and is communicated with an oil chamber behind the end plate of the movable rod in the fixed body, the pipe joint B is arranged on the end cover and is communicated with the oil chamber at the front end of the movable rod in the fixed body, and the screw plug is arranged on a lubricating grease injection hole on the side surface of the fixed body; the movable rod is provided with a supporting surface dust removal mechanism, dust on the stepped surface of the upright post in planar contact with the lower surface of the tail end of the movable rod can be removed through the supporting surface dust removal mechanism, and the L plate is fixed on the lower surface of the cross beam; the wedge iron is wedged between the stepped surface of the L plate and the inclined surface at the front end of the fixing body; the baffle plate is combined at the end part of the wedge and fastened on the side surface of the L plate through screws, and the pipe joint A and the pipe joint B are connected with a hydraulic system of a machine tool through a guide pipe.

Furthermore, the supporting surface dust removal mechanism comprises a pipe joint C, an air path is arranged in the guide key and communicated with an air path in the moving rod, the tail end of the air path of the moving rod extends out of the lower plane of the tail of the moving rod, the pipe joint C communicated with the guide key is arranged on the guide key, and the pipe joint C is connected with a machine tool pneumatic system through a guide pipe.

According to the description, the use method of the large-bearing-beam supporting device is provided, during operation, hydraulic oil is injected into the oil chamber behind the moving rod end plate through the pipe joint A, the hydraulic oil in the oil chamber in front of the moving rod end plate is discharged through the pipe joint B, the moving rod is contracted into the fixed body, interference between the moving beam and the stand column is avoided, and the two large-bearing-beam supporting devices move along with the moving beam on the stand column guide rail of the machine tool. After the movable rod moves to the position near the target position, hydraulic oil is injected through the pipe joint B, the hydraulic oil is discharged through the pipe joint A, and the movable rod extends out of the interior of the fixed body. At the moment, high-pressure gas is injected through the pipe joint C, and the high-pressure gas is blown out from the lower plane of the end part of the moving rod, so that the stepped surface on the back of the upright guide rail is cleaned. Then, the large bearing cross beam supporting device moves along with the cross beam in a micro mode, the lower plane of the end portion of the moving rod is in contact with the stepped surface of the back of the upright post guide rail, the cross beam is stably positioned, the supporting surface is increased for the cross beam, higher supporting force is provided for the middle of the cross beam, and the cross beam is stably supported.

Furthermore, when the movable rod contracts or extends out, the guide key arranged on the side surface of the movable rod is matched with the key groove on the side surface of the fixed body for guiding, so that the lower plane of the end part of the movable rod is always kept parallel to the stepped surface on the back of the upright post guide rail, when the large bearing cross beam supporting device bears the load, the movable rod and the upright post guide rail can be in full contact, and the pressure distribution is uniform. When the movable rod is contracted, when the guide key touches the travel switch A, the machine tool system controls the pipe joint A to stop supplying oil; when the moving rod extends out, when the guide key touches the travel switch B, the machine tool system controls the pipe joint B to stop supplying oil. The travel switch A and the travel switch B are used, so that the accurate telescopic positioning of the movable rod is ensured. Lubricating grease can be injected through the lubricating grease injection hole on the side surface of the fixing body, so that the movable rod is fully lubricated when stretching and contracting, and the abrasion is avoided. After the grease is injected, the screw plug is screwed down to prevent impurities from entering the grease injection hole.

The invention has the beneficial effects that: the large-bearing cross beam supporting device has the double fastening functions of a screw and an oblique iron, so that the bearing capacity of the supporting device and the stability of the cross beam are greatly improved; the device is provided with the guide key and the travel switch, so that the positioning precision of the device is improved; meanwhile, a strong air blowing structure of the supporting surface is designed, so that impurities such as dust and the like in the supporting surface can be well cleaned, and the positioning precision and the environment adapting capability of the supporting surface are improved.

Drawings

The invention is further described with reference to the following figures and detailed description.

Fig. 1 is a schematic structural view of the present invention mounted on a cross beam.

Fig. 2 is a front view of the present invention mounted on a beam.

Fig. 3 is a side cross-sectional view of the present invention mounted on a beam.

Fig. 4 is a top cross-sectional view of the present invention mounted on a beam.

Reference numbers in the figures:

1. the device comprises a fixed body, 2, screws, 3, a moving rod, 4, an end cover, 5, a guide key, 6, travel switches A and 7, travel switches B and 8, pipe joints A and 9, pipe joints B and 10, pipe joints C and 11, screw plugs, 12, inclined iron, 13, a baffle plate, 14 and an L plate.

Detailed Description

As shown in fig. 1-4, a large load-bearing beam support device, which is used symmetrically and installed on the left and right sides of the beam, mainly comprises: the device comprises a fixed body 1, a screw 2, a moving rod 3, an end cover 4, a guide key 5, a travel switch A6, a travel switch B7, a pipe joint A8, a pipe joint B9, a screw plug 11, an inclined iron 12, a baffle 13, an L plate 14 and a supporting surface dust removal mechanism, wherein the fixed body 1 is fastened on the lower surface of a cross beam through the screw 2, is hollow in a cylindrical shape, is provided with an inclined surface at the front end, and is fastened again through the inclined iron 12 and the L plate 14; the movable rod 3 is arranged in the fixed body 1 and can move axially, a sealing structure and a lubricating annular groove are arranged on the movable rod, an air passage is arranged in the movable rod, and the tail end of the movable rod is provided with a lower plane; the end cover 4 is arranged at the front end of the fixed body 1 and is provided with a sealing structure; the guide key 5 is arranged on the side wall of the moving rod 3, a key groove is formed in the side wall of the fixed body 1, and the guide key 5 is positioned in the key groove and extends out of the side wall of the fixed body 1; the travel switch A6 and the travel switch B7 are arranged on the side walls of two sides of the key groove of the fixed body 1; the pipe joint A8 is installed on the side of the fixed body 1 and is communicated with the oil chamber behind the end plate of the moving rod 3 in the fixed body 1, the pipe joint B9 is installed on the end cover 4 and is communicated with the oil chamber at the front end of the moving rod 3 in the fixed body 1, and the screw plug 11 is installed on the grease injecting hole on the side of the fixed body 1; a supporting surface dust removing mechanism is arranged on the movable rod 3, dust on the stepped surface of the upright post in planar contact with the lower surface of the tail end of the movable rod 3 can be removed through the supporting surface dust removing mechanism, and the L plate 14 is fixed on the lower surface of the cross beam; the wedge 12 is wedged between the step surface of the L plate 14 and the inclined surface at the front end of the fixed body 1; the baffle 13 is combined at the end part of the wedge 12 and is fastened on the side surface of the L-shaped plate 14 through screws, and the pipe joint A8 and the pipe joint B9 are connected with a hydraulic system of the machine tool through a guide pipe.

Furthermore, the dust removal mechanism for the supporting surface comprises a pipe joint C10, an air path is arranged in the guide key 5 and communicated with the air path in the movable rod 3, the tail end of the air path of the movable rod 3 extends out of the lower plane of the tail part of the movable rod, the pipe joint C10 communicated with the guide key 5 is arranged on the guide key 5, and the pipe joint C10 is connected with a pneumatic system of the machine tool through a guide pipe.

According to the description, the use method of the large-bearing-beam supporting device is provided, during operation, hydraulic oil is injected into the oil chamber behind the end plate of the movable rod 3 through the pipe joint A8, the hydraulic oil in the oil chamber in front of the end plate of the movable rod 3 is discharged through the pipe joint B9, the movable rod 3 is contracted into the fixed body 1, interference of the movable beam with the upright post during movement is avoided, and the two large-bearing-beam supporting devices move along with the movable beam on the upright post guide rail of the machine tool. After moving to the vicinity of the target position, hydraulic oil is injected through the joint B9, hydraulic oil is discharged through the joint a8, and the movable rod 3 protrudes from the inside of the fixed body 1. At this time, high-pressure gas is injected through the pipe joint C10, and the high-pressure gas is blown out from the lower plane of the end of the travel rod 3, thereby cleaning the stepped surface on the back of the column rail. Then, the large bearing cross beam supporting device moves along with the cross beam in a micro mode, the lower plane of the end portion of the moving rod 3 is in contact with the stepped surface of the back of the upright post guide rail, the cross beam is stably positioned, the supporting surface is increased for the cross beam, higher supporting force is provided for the middle of the cross beam, and the cross beam is enabled to obtain stable support.

Furthermore, when the movable rod 3 contracts or extends out, the guide key 5 arranged on the side surface of the movable rod is matched with the key groove on the side surface of the fixed body 1 for guiding, so that the lower plane of the end part of the movable rod 3 is always kept parallel to the stepped surface on the back of the upright post guide rail, when the large bearing cross beam supporting device bears the load, the movable rod and the upright post guide rail can be in full contact, and the pressure distribution is uniform. When the movable rod 3 contracts, when the guide key 5 touches the travel switch A6, the machine tool system control pipe joint A8 stops oil supply; when the moving rod 3 extends, when the guide key 5 touches the travel switch B7, the machine tool system control pipe joint B9 stops supplying oil. The use of the travel switch A6 and the travel switch B7 ensures that the movable rod 3 is accurately positioned in a telescopic way. Grease can be injected through a grease injection hole on the side surface of the fixed body 1, so that sufficient lubrication is ensured when the movable rod 3 extends and contracts, and abrasion is avoided. After the grease is injected, the plug screw 11 is tightened to prevent impurities from entering the grease injection hole.