CN218225747U - A gantry 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

A gantry screw structure

technical field

The utility model relates to the technical field of screw structures, in particular to a gantry screw structure.

Background technique

Gantry milling machine, referred to as gantry milling machine, is a milling machine with a portal frame and a long horizontal bed. The gantry milling machine can use multiple milling cutters to process the surface at the same time. The machining accuracy and production efficiency are relatively high. It is suitable for batch and large quantities. The plane and inclined surface of large workpieces are processed in production. The CNC gantry milling machine can also process space surfaces and some special parts. The movement of the gantry milling machine is mostly realized by the screw drive. The screw is the most commonly used in tool machinery and precision machinery. The transmission element, whose main function is to convert rotary motion into linear motion, or convert torque into axial repeated force, has the characteristics of high precision, reversibility and high efficiency.

However, the existing large-scale punching machines are relatively tall, and the gantry screw is set at the top to control the left and right movement of the milling head of the tool holder; The setting is high and many lead screws are heavy and long, so it is inconvenient to disassemble them for oiling and cleaning.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a gantry lead screw structure, which solves the problem that the drive lead screw is overweight and squeezes downward and is difficult to clean and oil.

(2) Technical solution

In order to achieve the above purpose, the utility model is realized through the following technical solutions: a gantry screw structure, including a gantry frame, a transmission screw is arranged inside the gantry frame, and the transmission screw is threadedly connected to the top of the slider, The bottom of the slider is fixedly connected with a tool seat. The bottom of the slider is provided with a load-bearing cleaning mechanism for reducing the downward pressure caused by the overweight of the drive screw. The load-bearing cleaning mechanism includes:

The load-bearing plate is welded to the baffle plates on both sides of the gantry frame. The side of the load-bearing plate close to the slider blocks the slider to prevent the slider from falling. The heavy plate holds the slider against the downward direction of the screw. pressure;

A fixed block, the fixed block is installed on the side of the load-bearing plate away from the slider, so as not to hinder the movement of the slider;

A fixing bar, the fixing bar is welded on the upper surface of the fixing block, and a groove is opened inside the upper end of the fixing bar, and the size of the groove is adapted to the upper tool base;

Cleaning tool, the lower end of the cleaning tool is clamped inside the fixing bar, and the lower end of the cleaning tool is provided with a protrusion and is adapted to the groove. This setting makes the replacement of the cleaning tool more convenient and simple. Usually, a brush can be used to clean the wire The dust and small garbage floating on the rod will prevent them from sticking to the lead screw, which will cause a slight deviation in the movement accuracy of the slider, causing problems in the mold making, and subsequent functions such as oiling and other functions. Brush the oil, and replace the brush after finishing;

The connecting seat, the heavy block and the sliding block are fixedly connected through the connecting seat, the fixed connection of the two can make the movement of the fixed block more stable, and the cleaning tool is driven to work along with the movement of the sliding block.

Preferably, the load-bearing cleaning mechanism is provided with two groups, which are arranged symmetrically with the center line of the slider as the axis of symmetry, so that the tool seat can work back and forth so that both sides can be cleaned.

Preferably, the fixed block is provided with pulleys, so that the fixed block can conveniently move left and right when the sliding block is working, and will not be stuck, and the fixed block is fixedly connected with the sliding block, so it will not cause the fixed block to shake when moving.

Preferably, the cleaning tool is a brush that can be easily disassembled and replaced. The upper part of the brush has a larger use area so that the driving screw can be cleaned to a wider range during work. The brush is easy to replace, and different tools can be replaced according to different needs.

Preferably, the connecting seat is in an "L" shape, and the fixed connection makes the fixed block follow the sliding block to move, which is more convenient.

Preferably, the depth of the groove matches the length of the cleaning tool.

(3) Beneficial effects

The utility model provides a gantry lead screw for machining. Has the following beneficial effects:

(1) The gantry lead screw used for mechanical processing reduces the pressure of the overweight downward force of the drive lead screw by setting the weight of the heavy plate to support the slider and the drive lead screw, and sets the connecting seat to fix the connection when the slider is working. The cleaning device at the rear moves so that it can clean the dust on the transmission screw back and forth, so that the precision of the transmission screw will not be affected when it is working, which will affect the accuracy of the mold.

(2) The gantry lead screw is used for machining, and the cleaning device is clamped, which makes it easier to disassemble and replace different tools. For example, when brushing oil, no one needs to stand on the gantry milling machine to manually brush oil, only need to replace the oil brush to start Machine, the oil brush will automatically work back and forth, reducing manual work.

Description of drawings

Fig. 1 is the structural representation of the utility model front view;

Fig. 2 is the structural representation of the utility model fixing bar and cleaning tool;

Fig. 3 is a structural schematic diagram of the overall A part of the utility model.

In the figure: 1. Gantry frame; 2. Transmission screw; 3. Slider; 4. Load-bearing cleaning mechanism; 5. Heavy plate; 6. Fixed block; 7. Fixed bar; 8. Groove; 9. Cleaning tool; 10. Connecting seat; 11. Tool seat.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-Fig. 3, the utility model provides a kind of technical scheme: a kind of gantry screw for mechanical processing, comprises gantry 1, and gantry 1 is provided with transmission screw 2 inside, and transmission screw 2 is threaded and slides The top of the block 3 and the bottom of the slider 3 are fixedly connected with a tool holder 11. The bottom of the slider 3 is provided with a load-bearing cleaning mechanism 4, which is used to reduce the downward pressure caused by the overweight of the transmission screw 2 and to clean the transmission screw 2. For daily dust removal and baking oil, the load-bearing cleaning mechanism 4 includes:

The load-bearing plate 5 is welded to the baffle plates on both sides of the gantry 1, and the side of the load-bearing plate 5 close to the slider 3 blocks the slider 3 to prevent the slider 3 from falling;

Fixed block 6, fixed block 6 is fixedly installed on the other side of bearing plate 5;

Fixed bar 7, fixed bar 7 is welded on the upper surface of fixed block 6, and the upper end of fixed block 6 is provided with groove 8 inside, can be used for fixing cleaning tool;

Cleaning tool 9, the lower end of the cleaning tool 9 is clamped inside the fixing bar 7, and the lower end of the cleaning tool 9 is provided with a protrusion and is adapted to the groove 8;

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

Specifically, in the technical solution of the utility model, the load-bearing cleaning mechanism 4 includes: a load-bearing plate 5, a fixed block 6, a fixed bar 7, a cleaning tool 9 and a connecting seat 10, and the use of the heavy plate 5 can reduce the excessive weight of the transmission screw 2. Generate downward pressure, the position of the fixed block can be adjusted along with the actual working range of the slider 3, the convenient disassembly and replacement of the cleaning tool 9 makes it possible to use different functions in different periods, for example, it can be used in normal normal use Use the brush to clean the transmission screw daily and remove powder chips, so that the transmission screw 2 will not produce slight deviations and affect the mold when it is running. Maintenance can be replaced with an oil brush to brush oil on it, reducing manual work. time.

In one embodiment of the present utility model, please continue to refer to Fig. 1-Fig. 3, load-bearing cleaning mechanism 4 is provided with two groups, takes the center line of slide block 3 as symmetry axis symmetrical arrangement, can make cutter seat 11 work back and forth like this Both sides can be cleaned, and the fixed block 6 is provided with pulleys, so that the fixed block 6 can move left and right conveniently with the slider 3 when working, and will not get stuck, and the fixed block 6 is fixedly connected with the slider 3, so it will not As a result, the fixed block 6 shakes when moving, and the cleaning tool 9 is a brush that can be easily disassembled and replaced. The upper part of the brush has a larger use area so that the driving screw 2 can be cleaned to a wider range during work. The connecting seat 10 is in the shape of an "L". The depth of the groove 8 is adapted to the length of the cleaning tool 9 .

In order to prevent that the heavy cleaning mechanism 4 is set on one side, there will be cleaning and oiling dead ends, so two groups are set, and the positions can be adjusted according to different working ranges of the transmission screw 2, and a fixed connecting seat 10 is set to make the cleaning device not Will shake back and forth, more stable.

When working, when the gantry milling starts to work, the transmission screw 2 starts to rotate to drive the slider 3 to move left and right. First, the load-bearing plate 5 is welded on the gantry 1 regardless of whether the transmission screw 2 is working or not. Pressure, after the gantry milling starts to work, the fixed block 6 starts to move relatively through the fixed connection with the slider 3, and the cleaning tool 9 is clamped on the fixed block 6 through the fixed bar 7, and also moves accordingly, and the transmission screw 2 is carried out daily Clean up dust, powder and other foreign objects stuck on it, so as to avoid slight deviation of the transmission screw 2 during work, which will affect the accuracy of the mold.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A gantry screw structure, comprising a gantry (1), the inside of the gantry (1) is provided with a drive screw (2), and the drive screw (2) is threadedly connected to the slide block (3) The top, the bottom of the slider (3) is fixedly connected with a tool seat (11), and it is characterized in that: the bottom of the slider (3) is provided with a load-bearing cleaning mechanism (4) for lowering the transmission screw (2 ) downward pressure brought by overweight, and the load-bearing cleaning mechanism (4) includes: Load-bearing plate (5), the load-bearing plate (5) is welded on the baffle plate on both sides of the gantry frame (1), and the side of the load-bearing plate (5) close to the slider (3) blocks the slider (3), reducing the transmission The downward pressure of the screw mandrel (2); A fixed block (6), the fixed block (6) is fixedly installed on the side of the bearing plate (5) away from the slider (3); A fixed strip (7), the fixed strip (7) is welded on the upper surface of the fixed block (6), and a groove (8) is opened inside the upper end of the fixed strip (7); A cleaning tool (9), the lower end of the cleaning tool (9) is clamped inside the fixing strip (7), and the lower end of the cleaning tool (9) is provided with a protrusion and is adapted to the groove (8); The connecting seat (10), the fixed block (6) and the sliding block (3) are fixedly connected through the connecting seat (10). 2. A gantry screw structure according to claim 1, characterized in that: said load-bearing cleaning mechanism (4) is provided with two groups, and the two groups of load-bearing cleaning mechanisms (4) are centered on the center line of the slider (3). Set for symmetry axis symmetry. 3. A gantry lead screw structure according to claim 1, characterized in that: the fixed block (6) is provided with a pulley, and the fixed block (6) is fixedly connected with the sliding block (3). 4. A gantry screw structure according to claim 1, characterized in that the cleaning tool (9) is a cleaning brush. 5. A gantry lead screw structure according to claim 1, characterized in that: the connecting seat (10) is in the shape of an "L". 6. A gantry lead screw structure according to claim 1, characterized in that: the depth of the groove (8) matches the length of the cleaning tool (9).

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