CN110919455A - Automatic lifting door structure of vertical machine tool complete machine protective cover - Google Patents
Automatic lifting door structure of vertical machine tool complete machine protective cover Download PDFInfo
- Publication number
- CN110919455A CN110919455A CN201911344702.0A CN201911344702A CN110919455A CN 110919455 A CN110919455 A CN 110919455A CN 201911344702 A CN201911344702 A CN 201911344702A CN 110919455 A CN110919455 A CN 110919455A
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- oil cylinder
- door
- upright post
- sliding block
- oil
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- 230000001681 protective Effects 0.000 title claims abstract description 15
- 230000005484 gravity Effects 0.000 claims description 2
- 230000000630 rising Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000002035 prolonged Effects 0.000 description 2
- 230000001360 synchronised Effects 0.000 description 2
- 230000001174 ascending Effects 0.000 description 1
- 230000002457 bidirectional Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
Abstract
The invention discloses an automatic lifting door structure of a vertical machine tool complete machine protective cover, and belongs to the technical field of machine tool appearance protection systems. The lower end of the oil cylinder is hinged and fixed on the lower support of the oil cylinder, the lower support of the oil cylinder is fixedly arranged on bases of the left door stand column and the right door stand column, the auxiliary circular guide rail of the linear guide sleeve is arranged in the left door stand column and the right door stand column, the sliding block connectors are fixed on two sides of the lifting door, the sliding block connectors are respectively fixedly connected with the sliding block of the linear guide sleeve and the upper support of the oil cylinder through bolts, and a push-pull rod of the oil cylinder is also hinged and connected with the upper support of the oil cylinder. The invention saves the occupied area of the machine tool, lightens the labor intensity and improves the production efficiency.
Description
Technical Field
The invention relates to an automatic lifting door structure of a vertical machine tool complete machine protective cover, and belongs to the technical field of machine tool appearance protection systems.
Background
At present, machine tool complete machine protection casing adopts left and right double-acting sliding doors more, the distance that the door was opened open will be greater than the biggest processing diameter, the work piece just can normally pass in and out machining region, the area is used in the installation that has increased the lathe, the work piece that the processing diameter is big to a certain extent still has to adopt double-deck sliding door structure, the sliding door not only rocks easily, and the steadiness is poor, and great protective cover door needs to adopt the manpower pulling, operating personnel's working strength has been strengthened, machine tool machining's production efficiency has also been influenced, consequently, machine tool user's factory building area is limited problem has been solved to automatic rising door structure, and can effectively use the protection of lathe to process, operating personnel's intensity of labour has been alleviateed, production efficiency has. The invention effectively solves the problems that the factory building area of a vertical machine tool user is limited, the floor area of the left and right sliding doors is large, the working strength of the manual sliding door is high, the manual sliding door is easy to shake, and the effective protection and the processing production efficiency of the machine tool are influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the automatic lifting door structure of the whole protective cover of the vertical machine tool, which is suitable for the vertical machine tool, not only can effectively use the protection of the machine tool for processing and prevent scrap iron from jumping out, but also can effectively utilize the use area of a factory building by splashing cooling liquid and realize the interlocking of the protective lifting door and a machine tool program.
The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic lifting door structure of a vertical machine tool complete machine protective cover comprises a lifting door, a left door upright post, a linear guide sleeve pair circular guide rail, an oil cylinder lower support, an oil cylinder upper support, a door upper limit collision block, an upper travel switch, a right door upright post, a lower travel switch, a door lower limit collision block, a slide block connector, a linear guide sleeve slide block, an oil cylinder upper inlet pipe, an oil cylinder outlet pipe, an oil cylinder lower inlet pipe and an oil cylinder outlet pipe.
The automatic lifting door of the whole machine protective cover is designed to be pushed by a left oil cylinder and a right oil cylinder, the left door upright post and the right door upright post are respectively positioned at the left side and the right side of the lifting door and are internally provided with the oil cylinders, the lower ends of the oil cylinders at the two sides are respectively hinged and fixed on an oil cylinder lower bracket, the oil cylinder lower bracket is fixedly arranged on the bases of the left door upright post and the right door upright post and is fixed by adopting ball hinge, an upper bracket and a lower bracket are fixed in the outer side vertical plates of the left door upright post and the right door upright post, a linear guide sleeve auxiliary circular guide rail is fixedly connected with the brackets, four sliding block connecting bodies are fixed at the two sides of the lifting door and are respectively positioned in the left door upright post and the right door upright post, the sliding block connecting body at the upper end is fixedly connected with the linear guide sleeve and the oil cylinder upper bracket through bolts, the sliding block connecting body at the lower end is fixedly connected with the linear guide sleeve sliding block, the upper travel switch and the lower travel switch are respectively fixed at the upper end and the lower end of the linear guide sleeve pair circular guide rail, the door upper limit collision block is fixedly connected at the upper end of the upper sliding block connector, the door lower limit collision block is fixedly connected at the lower end of the lower sliding block connector, the upper travel switch, the lower travel switch, the upper limit collision block and the lower limit collision block are only installed in the left door upright post, and the oil inlet pipe and the oil outlet pipe on the oil cylinder and the oil inlet pipe and the oil outlet pipe under the oil cylinder are respectively located at the upper end and the lower end of the oil. The upper end of the sliding block connector is fixedly connected with the linear guide sleeve sliding block and the upper oil cylinder bracket to form an integral component, so that the linear guide sleeve sliding block can slide on the linear guide sleeve pair under the action of an oil cylinder hydraulic system, the three components which are integrally formed and the lower end of the sliding block connector and the linear guide sleeve sliding block can push the lifting door to lift along the circular guide rail of the linear guide sleeve pair in a guiding way, the upper end of a push-pull rod of the oil cylinder is hinged with the upper oil cylinder bracket of the left door upright post and the right door upright post, so that the stress can be counteracted, the resistance generated by incorrect installation and incorrect guiding is partially eliminated, the lower end of the oil cylinder is hinged with a bracket ball, the stress generated by incorrect installation is also eliminated, the central lines of the push-pull rods of the two oil cylinders and the central line of the linear guide sleeve pair are symmetrically arranged on the plane of the gravity center of the lifting, the lifting door is moved to the ground, the space below the ground is effectively utilized, the oil quantities of the two oil cylinders are controlled by the flow dividing and collecting valve, the adjustment is conducted, the oil quantities of the left oil cylinder and the right oil cylinder are equal, the left oil cylinder push-pull rod and the right oil cylinder push-pull rod can be kept to lift synchronously, the left end and the right end of the lifting door are right and stably lift, the hydraulic lock is adopted, the lifting door can be in a closed state, the hydraulic pump stops working, the service life of the pump is prolonged, the double-acting bidirectional oil cylinder is adopted, the buffer valves are arranged at the tail ends of an upper stroke and a lower stroke, strong impact of the door generated at the tail ends of the upper stroke and the lower stroke is relieved.
The invention has the beneficial effects that: the lifting door has the advantages of reasonable design, convenient operation, safety and practicability, can prevent scrap iron from jumping out and coolant from splashing out, effectively solves the problems of automatic lifting of the lifting door of the whole machine protective cover of the machine tool, large occupied area of a manual sliding door and high working intensity, reduces the occupied area for mounting and using the machine tool, effectively utilizes the space below the ground, has great significance under the condition of limited area of a machine tool using workshop, lightens the labor intensity of workers, improves the machining production efficiency of the machine tool, prevents operators and other people from being accidentally injured when the machine tool is in operation and approaches a machining area, realizes the interlocking of the protective lifting door and a machine tool program, and is suitable for a vertical machine tool.
Drawings
The invention is further described with reference to the following figures and detailed description.
FIG. 1 is a schematic cross-sectional view of the structure of the present invention.
Fig. 2 is a cross-sectional view of the left upright of the present invention in the opposite direction.
FIG. 3 is a schematic view of the hinge structure of the oil cylinders at two sides, the upper bracket of the oil cylinder and the lower bracket of the oil cylinder.
Fig. 4 is a hydraulic schematic of the present invention.
Fig. 5 is an electromagnet actuation chart of the hydraulic schematic of the present invention.
Reference numbers in the figures:
1. the lifting door comprises a lifting door, 2, a left door upright post, 3, a linear guide sleeve pair circular guide rail, 4, an oil cylinder, 5, an oil cylinder lower support, 6, an oil cylinder upper support, 7, a door upper limit collision block, 8, an upper travel switch, 9, a right door upright post, 10, a lower travel switch, 11, a door lower limit collision block, 12, a sliding block connector, 13, a linear guide sleeve sliding block, 14, an oil cylinder upper inlet pipe, an oil cylinder outlet pipe, 15, an oil cylinder lower inlet pipe and an oil cylinder outlet pipe.
Detailed Description
As shown in fig. 1-5, an automatic lifting door structure of a vertical machine tool whole protective cover comprises a lifting door 1, a left door upright post 2, a linear guide sleeve pair circular guide rail 3, an oil cylinder 4, an oil cylinder lower bracket 5, an oil cylinder upper bracket 6, a door upper limit collision block 7, an upper travel switch 8, a right door upright post 9, a lower travel switch 10, a door lower limit collision block 11, a slider connector 12, a linear guide sleeve slider 13, an oil cylinder upper inlet and outlet pipe 14 and an oil cylinder lower inlet and outlet pipe 15, wherein the left door upright post 2 and the right door upright post 9 are respectively positioned at the left side and the right side of the lifting door 1 and are respectively provided with the oil cylinder 4, the oil cylinders 4 at the two sides are respectively connected with the oil cylinder lower bracket 5 in a hinged manner, the oil cylinder lower bracket 5 is fixed on the bases of the left door upright post 2 and the right door upright post 9, the upper ends of push-pull rods of the oil cylinders 4 at the two sides are also connected with the oil cylinder, an upper bracket and a lower bracket are fixed in the outer side vertical plates of a left door upright post 2 and a right door upright post 9, two sets of linear guide sleeve pair circular guide rails 3 are respectively and fixedly connected with the respective brackets, a slide block connector 12 is fixed at the two sides of a lifting door 1, four slide block connectors 12 are respectively arranged at the upper position and the lower position at the two sides of the lifting door 1, the slide block connector 12 at the upper end is respectively and fixedly connected with a linear guide sleeve slide block 13 and an oil cylinder upper bracket 6 through bolts, the slide block connector 12 at the lower end is fixedly connected with a linear guide sleeve slide block 13, an upper travel switch 8 and a lower travel switch 10 are respectively and fixedly arranged at the upper end and the lower end of the linear guide sleeve pair circular guide rail 3 in the left door upright post 2, a door upper limit collision block 7 is fixedly connected at the upper end of the upper slide block connector 12, a lower limit collision block 11 is fixedly connected at the lower end, The upper travel switch 8, the lower travel switch 10 and the lower limit collision block 11 are arranged on one side only and are uniformly arranged in the left door upright post 2, and the oil cylinder upper inlet and outlet pipe 14 and the oil cylinder lower inlet and outlet pipe 15 are respectively positioned at the upper and lower ends of the oil cylinder. The upper end of the sliding block connector 12 is fixedly connected with the linear guide sleeve sliding block 13 and the oil cylinder upper bracket 6 to form an integral component, so that the linear guide sleeve sliding block can slide on the linear guide sleeve pair under the action of an oil cylinder hydraulic system, and the three components and the lower end of the sliding block connector 12 and the linear guide sleeve sliding block 13 can push the lifting door 1 to lift along the circular guide rail 3 of the linear guide sleeve pair in a guiding mode. The upper end of a push-pull rod of the oil cylinder 4 is hinged with the oil cylinder upper bracket 6 of the left door upright post 2 and the right door upright post 9, so that stress can be offset, and resistance caused by incorrect installation and incorrect guide is partially eliminated. When the upper travel switch 8 slides and collides with the upper limit collision block 7 of the door arranged on a production mechanical moving part, the contact of the upper travel switch 8 acts to realize the switching of the circuit, and the sliding process of the lifting door 1 stops immediately; when the lower travel switch 10 slides down and collides with the lower limit collision block 11 of the door, the contact of the lower travel switch 10 acts to realize the switching of the circuit, and the sliding process of the lifting door 1 is immediately stopped. The upper travel switch 8 and the lower travel switch 10 are used for controlling the contact of the mechanical moving part to act by utilizing the collision of the mechanical moving part to realize the connection or disconnection of a control circuit so as to achieve a certain control purpose. The oil mass of the oil cylinder 4 is controlled by a flow dividing and collecting valve, the same flow (equal flow dividing) is supplied to more than two execution elements from the same oil source in a hydraulic system by adjusting, then equal flow or proportional oil return quantity is collected from the two execution elements, so that the speed between the two execution elements is kept synchronous or proportional, the oil mass of the oil cylinders 4 on the left side and the right side is equal by adjusting, the lifting is kept synchronous, a hydraulic lock is adopted, an operator and other people are prevented from being accidentally injured when the machine tool runs close to a processing area, the lifting door 1 is not allowed to be opened when the machine tool runs, if the lifting door is opened hard, the machine tool is stopped, and the interlocking of the protective lifting door 1 and a machine tool program is realized. When the machine tool is normally machined, the pump stops working, namely the lifting door 1 is in a closed state, the pump can stop working due to the adoption of the hydraulic lock, so that the service life of the pump is prolonged, the double-acting oil cylinder 4 is adopted, the buffer valves are arranged at the tail ends of the upper stroke and the lower stroke, the strong impact generated by the lifting door 1 at the tail ends of the upper stroke and the lower stroke is relieved, and a commonly designed counterweight structure is omitted.
The automatic lifting door structure of the whole machine protective cover of the vertical machine tool is suitable for the vertical machine tool.
The using method comprises the following steps:
the device is fixed below the ground, the upper half part of the device is completely exposed out of the ground and is controlled by an electrical system, when the vertical machine tool is ready to work, push-pull rods at the upper ends of oil cylinders 4 at two sides start to push the lifting door 1 to ascend, oil enters from an oil inlet pipe 15 and an oil outlet pipe 15 below the oil cylinders, after a door upper limit collision block 7 collides with an upper travel switch 8, the lifting door 1 stops ascending and sliding and stays at a travel position above the ground, so that the protection effect is achieved, and the vertical machine tool can start to work; after the vertical machine tool finishes working, push-pull rods at the upper ends of oil cylinders 4 at two sides start to push the lifting door 1 to fall, the lifting door 1 slides down to a stroke position below the ground through oil inlet of an oil inlet pipe and oil outlet pipe 14 of the oil cylinders and the self weight of the push-pull rods of the oil cylinders 4, a door lower limit collision block 11 collides with a lower stroke switch 10, and the lifting door 1 stops sliding down because of the double-acting oil cylinder, and both the two pipes are used for oil inlet and oil return; the lifting door 1 is mainly pushed by a hydraulic system, and the lifting position and the falling position of the lifting door 1 are controlled by an upper travel switch 8 and a lower travel switch 10.
Claims (2)
1. The utility model provides a vertical machine tool complete machine protection casing automatic rising door structure which characterized in that: comprises a lifting door (1), a left door upright post (2), a linear guide sleeve pair circular guide rail (3), an oil cylinder (4), an oil cylinder lower support (5), an oil cylinder upper support (6), a door upper limit collision block (7), an upper stroke switch (8), a right door upright post (9), a lower stroke switch (10), a door lower limit collision block (11), a slider connector (12), a linear guide sleeve slider (13), an oil cylinder upper inlet and outlet pipe (14) and an oil cylinder lower inlet and outlet pipe (15), wherein the left door upright post (2) and the right door upright post (9) are respectively positioned at the left side and the right side of the lifting door (1) and are internally provided with the oil cylinder (4), the lower ends of the two side oil cylinders (4) are respectively hinged and fixed on the oil cylinder lower support (5), the oil cylinder lower support (5) is fixedly arranged on the bases of the left door upright post (2) and the right door upright post (9) in a ball-hinge manner, and upper vertical plates are respectively fixed in the outer sides of the left door, Two lower brackets, two sets of linear guide sleeve pair circular guide rails (3) are respectively and fixedly connected with the respective brackets, four sliding block connectors (12) are respectively fixed at the upper and lower positions of the two sides of the lifting door (1) and positioned in the left door upright post (2) and the right door upright post (9), the sliding block connector (12) at the upper end is respectively and fixedly connected with a linear guide sleeve sliding block (13) and an oil cylinder upper bracket (6) through bolts, the sliding block connector (12) at the lower end is fixedly connected with a linear guide sleeve sliding block (13), the central lines of two oil cylinders (4) and the central line of the linear guide sleeve pair circular guide rail (3) are symmetrically arranged on the plane where the gravity center of the lifting door (1) is positioned, the upper end of a push-pull rod of the oil cylinder (4) is hinged with the oil cylinder upper bracket (6), an upper travel switch (8) and a lower travel switch (10) are respectively fixed at the upper and lower ends of the linear, the upper limit collision block (7) of the door is fixedly connected to the upper end of the upper sliding block connector (12), the lower limit collision block (11) of the door is fixedly connected to the lower end of the lower sliding block connector (12), the upper travel switch (8), the lower travel switch (10), the upper limit collision block (7) and the lower limit collision block (11) are only installed in the left door upright post (2), the upper oil inlet and outlet pipe (14) and the lower oil inlet and outlet pipe (15) of the oil cylinder are respectively located at the upper end and the lower end of the oil cylinder (4), and the lifting door (1) can be driven by a push-pull rod of the oil cylinder (4) to slide up and down on the inner sides of the left door upright post (2) and the right door upright post (9) through the sliding block connector (12).
2. The automatic lifting door structure of the protective cover of the whole vertical machine tool according to claim 1 is characterized in that: the oil quantity of the oil cylinder (4) is controlled by a shunt collecting valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344702.0A CN110919455A (en) | 2019-12-24 | 2019-12-24 | Automatic lifting door structure of vertical machine tool complete machine protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344702.0A CN110919455A (en) | 2019-12-24 | 2019-12-24 | Automatic lifting door structure of vertical machine tool complete machine protective cover |
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| Publication Number | Publication Date |
|---|---|
| CN110919455A true CN110919455A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911344702.0A Pending CN110919455A (en) | 2019-12-24 | 2019-12-24 | Automatic lifting door structure of vertical machine tool complete machine protective cover |
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| CN (1) | CN110919455A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546172A (en) * | 2020-06-17 | 2020-08-18 | 伯朗特机器人股份有限公司 | Glass edge grinding machine |
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2019
- 2019-12-24 CN CN201911344702.0A patent/CN110919455A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546172A (en) * | 2020-06-17 | 2020-08-18 | 伯朗特机器人股份有限公司 | Glass edge grinding machine |
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