CN212020155U - Machine tool door protection structure - Google Patents

Abstract

The utility model provides a machine tool door protective structure belongs to the machine tool door field. It includes the portal, the portal in be equipped with and place the chamber, place intracavity swing joint have can be along the first section door and the second section door of vertical direction, first section door and second section door offset and swing joint, the upper portion of placing the chamber the baffle has, the both sides inner wall of placing the chamber in rotate respectively and be connected with a protection axle, the protection axle extend into the tip of placing the chamber and be equipped with the guard plate, two protection axles respectively with first section door and second section door swing joint, the portal in still be equipped with two with the restriction levers of protection axle one-to-one, the restriction lever can extend into the protection axle that corresponds in and form the joint with the protection axle that corresponds. Its advantage lies in preventing that first section door or second section door are out of control to fall, improves the security.

Description

Machine tool door protection structure

Technical Field

The utility model belongs to the machine tool door field especially relates to a machine tool door protective structure.

Background

In an operation door on an existing machine tool, the motion mode of the door usually moves up and down along the vertical direction, when goods need to be placed, the door moves upwards and opens a channel, the goods pass through the door and are placed on the other side of the door, in the process, the goods need to be moved through a worker or a mechanical arm, a certain time is needed, and if a connecting structure between the door and a door frame is suddenly damaged or broken, the door can be weightless and move downwards to damage the goods or crush workers.

For example, chinese patent document discloses an automatic lifting door [ patent application No.: CN201320200252.X ], it includes two guide rails that are set up perpendicularly relatively, the cross-section of the said guide rail is "the [" font, there are door bodies in the said guide rail, characterized by that: the door body lifting mechanism further comprises a driving mechanism for driving the door body to lift in the guide rail. The utility model discloses an automatic lifting door is the door body automatic rising in the guide rail, descends under actuating mechanism's drive. The driving mechanism can be a motor driving system or a cylinder driving system controlled by a solenoid directional valve. The utility model discloses an automatic overhead door replaces traditional both sides and runs from opposite directions or control the door of push-and-pull design, and area is little, convenient operation, and sound insulation, adiabatic effectual. Is suitable for places such as clean rooms, factory buildings, laboratories and the like. The device has only one door plate, the highest height that can be opened is lower, and there is no part for preventing the connecting structure between the door and the door frame from causing the door to lose weight and move downwards to damage goods or crush staff if the connecting structure is suddenly damaged or broken.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a machine tool door protective structure.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a machine tool door protective structure, includes the portal, the portal in be equipped with and place the chamber, the intracavity swing joint of placing have can be along the first section door and the second section door of vertical direction, first section door offset and swing joint with second section door, the upper portion of placing the chamber the baffle has, the both sides inner wall of placing the chamber in rotate respectively and be connected with a protection axle, the protection axle extend into the tip of placing the chamber and be equipped with the guard plate, two protection axles respectively with first section door and second section door swing joint, the portal in still be equipped with two with the restriction lever of protection axle one-to-one, the restriction lever can extend into the protection axle that corresponds in and the protection axle forms the joint with the protection axle that corresponds.

In foretell machine tool door protective structure, the both sides of placing the chamber have with two protection axle one-to-one connect the chamber, the both ends of every protection axle extend respectively into place the chamber and the connection intracavity that corresponds, the regulating stem can be along portal horizontal direction reciprocating motion about, the regulating stem extend into the connection intracavity that corresponds, the protection axle extend into and be equipped with the joint groove in the tip of connecting the chamber, the shape in joint groove match with the tip shape of the regulating stem that corresponds and fit.

In foretell a machine tool door protective structure, every is connected the chamber and is placed and be equipped with the gyration chamber between the chamber, the protection axle run through the gyration chamber that corresponds, just protection axle and gyration intracavity wall between be equipped with torsion spring, torsion spring can make the guard plate be the level form and place placing the intracavity.

In a foretell machine tool door protective structure, the joint groove tip that is close to corresponding restriction bar be the halfpace form, the joint groove tip of keeping away from corresponding restriction bar match with the restriction bar tip and adapt, the halfpace form be close to the cross sectional area of the one end of restriction bar and be greater than other end cross sectional area.

In the above protection structure for the machine tool door, the upper side and the lower side of each limiting rod are respectively provided with a protection cavity arranged in the door frame, a protection block capable of repeatedly moving up and down along the vertical direction is arranged in each protection cavity, a buckling groove is formed in the end face, close to the limiting rod, of each protection block, a buckling block is arranged on each upper end face and a corresponding lower end face of the limiting rod, and the buckling blocks are matched with the buckling grooves.

In the above-mentioned machine tool door guard structure, a pushing spring capable of moving the guard block toward the adjacent corresponding limit rod is provided between each guard block and the corresponding inner wall of the guard chamber.

In the above protection structure for a machine tool door, one side of the catching groove, which is far away from the placing cavity, is provided with a pushing surface arranged on the protection block, and the pushing surface is obliquely placed.

In an above-mentioned machine tool door protective structure, the cross section of catching groove personally submit isosceles triangle shape, the knot piece be isosceles trapezoid shape, just crowded inclined direction that pushes away the face be the same with one of them inclined plane incline direction of knot piece, catching groove and corresponding crowded face of pushing away between have the clearance.

In the above machine tool door protection structure, the first section of door is provided with at least one sliding groove, a gap is formed between the sliding groove and the bottom of the first section of door, the second section of door is provided with sliding rods corresponding to the sliding grooves one to one, and the upper part of the placing cavity is also provided with a short clamping sliding groove movably connected with the second section of door.

In the above protection structure for the machine tool door, the end part of the protection plate far away from the protection shaft is rotatably connected with a rubber wheel, and the rubber wheel extends out of the protection plate.

Compared with the prior art, the utility model has the advantages of:

1. the utility model provides a place the intracavity and rotate the guard plate that is connected with two and first section door and second section door one-to-one, when first section door or second section door rebound to the upside of guard plate, remove the restriction bar that corresponds, make the restriction bar extend into the unable rotation of messenger's protective shaft in the protective shaft that corresponds to make the guard plate not take place to rotate, thereby can prevent that first section door or second section door from falling out of control, improve the security.

2. The utility model provides a be equipped with torsion spring between protection axle and the gyration intracavity wall, when first section door or second section door rebound to the upside of guard plate, the guard plate makes the protection axle gyration move to initial condition be the horizontality to the guard plate under torsion spring's after the energy storage effect.

3. The utility model provides a be equipped with the catching groove on the protection piece, the upper and lower terminal surface of restriction pole respectively is equipped with one and corresponds and detain the piece mutually with the catching groove, during the knot piece on the restriction pole can extend into the catching groove that corresponds to prevent that the restriction pole from removing, prevent that restriction pole and protection axle break away from the joint.

4. The utility model provides a guard plate tip internal rotation is connected with the rubber tyer and has deformability, reduces the extrusion to first section door or second section door and reduces and first section door or the second section door between the frictional force.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic cross-sectional view of B-B in fig. 2.

In the figure: the door frame 10, the placing cavity 11, the first section door 12, the second section door 13, the protective shaft 14, the protective plate 15, the limiting rod 16, the connecting cavity 17, the clamping groove 18, the rotating cavity 19, the protective cavity 20, the protective block 21, the buckling groove 22, the buckling block 23, the extruding and pushing spring 24, the extruding and pushing surface 25, the sliding groove 26, the sliding rod 27, the rubber wheel 28, the torsion spring 29 and the baffle 30.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Combine shown in fig. 1-3, a machine tool door protective structure, including portal 10, portal 10 in be equipped with and place chamber 11, place chamber 11 in swing joint have can be along the first section door 12 and the second section door 13 of vertical direction, first section door 12 offset and swing joint with second section door 13, the upper portion of placing chamber 11 baffle 30 has, the both sides inner wall of placing chamber 11 in rotate respectively and be connected with a protection axle 14, protection axle 14 extend into the tip of placing chamber 11 and be equipped with guard plate 15, two protection axles 14 respectively with first section door 12 and second section door 13 swing joint, portal 10 in still be equipped with two and guard shaft 14 one-to-one's gag lever post 16, guard rod 16 can extend into in the protection axle 14 that corresponds and form the joint with the protection axle 14 that corresponds.

In this example, the first section door 12 and the second section door 13 are opened in stages, according to the length of the cargo, if the cargo is short, only the first section door 12 needs to be moved upwards, and when the cargo is long, the first section door 12 continues to move upwards and drives the second section door 13 to move upwards, so that the opened space is longer, and when the first section door 12 or the second section door 13 moves upwards to open the space and a certain time is required in the process of placing the cargo, during this process, the first section door 12 or the second section door 13 needs to continuously maintain the current situation, in order to prevent the first section door 12 or the second section door 13 from being damaged or broken suddenly, so that the first section door 12 or the second section door 13 loses weight and moves downwards to damage the cargo or crush workers, therefore, when the first section door 12 or the second section door 13 moves upwards, the protection plate 15 is pushed to rotate, when the first section door 12 or the second section door 13 moves upwards to the upper side of the protection plate 15, the protection plate 15 moves to an initial state, namely a horizontal state, under the action of the self weight of the protection plate 15 or under other connection structures, at the moment, the corresponding limiting rod 16 is moved, the limiting rod 16 extends into the corresponding protection shaft 14, so that the protection shaft 14 cannot rotate, the protection plate 15 does not rotate, and in the state, even if the connection structures between the first section door 12 and the second section door 13 and the door frame 10 are suddenly damaged or broken to cause the first section door 12 or the second section door 13 to weightlessness and move downwards, the first section door 12 or the second section door 13 can be blocked by the protection plate 15.

The both sides of placing chamber 11 have with the connection chamber 17 of two protection axle 14 one-to-ones, the both ends of every protection axle 14 extend respectively and place chamber 11 and the connection chamber 17 that corresponds in, restricting lever 16 can be along portal 10 horizontal direction left and right sides reciprocating motion, restricting lever 16 extend into the connection chamber 17 that corresponds in, protection axle 14 extend into and be equipped with joint groove 18 in the tip of connecting chamber 17, the shape of joint groove 18 match with the tip shape of the restricting lever 16 that corresponds and fit.

In this example, one end of the limiting rod 16 extends into the corresponding connecting cavity 17, and the other end extends into the door frame 10, and after the first section door 12 or the second section door 13 moves upwards to the upper side of the protection plate 15, the limiting rod 16 is pushed into the connecting cavity 17, so that the limiting rod 16 extends into the corresponding protection shaft 14 and forms a clamping connection with the protection shaft 14, and the protection plate 15 is prevented from rotating in a mode of preventing the protection shaft 14 from rotating.

Every connecting chamber 17 and placing be equipped with gyration chamber 19 between the chamber 11, protection axle 14 run through corresponding gyration chamber 19, just protection axle 14 and gyration intracavity 19 inner wall between be equipped with torsion spring 29, torsion spring 29 can make protection plate 15 be the level form and place in placing chamber 11.

In this example, when the first section door 12 or the second section door 13 moves upward to push the corresponding protection plate 15, the corresponding protection shaft 14 is rotated, so that the torsion spring 29 is twisted and energy is stored, and after the first section door 12 or the second section door 13 moves upward to the upper side of the protection plate 15, the protection plate 15 rotates the protection shaft 14 to the state that the protection plate 15 moves to the initial state, i.e., the horizontal state, under the action of the torsion spring 29 after energy storage.

The end parts of the clamping grooves 18 close to the corresponding limiting rods 16 are in a step shape, the end parts of the clamping grooves 18 far away from the corresponding limiting rods 16 are matched with the end parts of the limiting rods 16, and the cross section area of one end, close to the limiting rods 16, of the step shape is larger than that of the other end of the step shape.

In this example, the protection shaft 14 can have a certain angular offset after being twisted back and forth for a plurality of times, so the clamping groove 18 is close to the corresponding limiting rod 16 and has a guiding function, and as the limiting rod 16 extends into the clamping groove 18, the limiting rod 16 pushes the clamping groove 18 to form a trapezoidal end and drives the protection shaft 14 to rotate to an accurate position, and then extends into the clamping groove 18 to form a clamping connection with the protection shaft 14 to prevent the protection shaft 14 from rotating, wherein the trapezoidal end of the clamping groove 18 is far away from the corresponding limiting rod 16.

The upper side and the lower side of each limiting rod 16 are respectively provided with a protection cavity 20 arranged in the door frame 10, a protection block 21 capable of repeatedly moving up and down along the vertical direction is arranged in each protection cavity 20, a buckling groove 22 is arranged on the end face, close to the limiting rod 16, of each protection block 21, a buckling block 23 is arranged on the upper end face and the lower end face of the limiting rod 16, and the buckling blocks 23 are matched with the buckling grooves 22.

In this example, when the limiting rod 16 extends into the corresponding protective shaft 14 to form a clamping connection with the protective shaft 14, in order to prevent the limiting rod 16 from moving transversely to be out of the clamping connection with the protective shaft 14, the protective block 21 is close to the limiting rod 16, and the buckling block 23 on the limiting rod 16 extends into the corresponding buckling groove 22, so that the limiting rod 16 is prevented from moving and the limiting rod 16 is prevented from being out of the clamping connection with the protective shaft 14.

Between each protection block 21 and the inner wall of the corresponding protection chamber 20, a thrust spring 24 is provided which is able to move the protection block 21 towards the approach of the corresponding limiting rod 16.

In this example, when the block 23 on the limiting rod 16 extends into the corresponding slot 22, the protection block 21 is tightly attached to the limiting rod 16 under the action of the pushing spring 24, so as to prevent the block 23 from sliding off the corresponding slot 22.

The side of the buckle slot 22 far away from the placing cavity 11 is provided with a pushing surface 25 arranged on the protecting block 21, and the pushing surface 25 is obliquely placed.

The cross section of catching groove 22 personally submit isosceles triangle shape, catching block 23 be isosceles trapezoid shape, just crowded inclined direction that pushes away face 25 be the same with one of them inclined plane incline direction of catching block 23, catching groove 22 and the crowded face 25 that pushes away that corresponds between have the clearance.

In this example, when the limiting rod 16 extends into the corresponding protection shaft 14, the buckling block 23 pushes the protection block 21, so that the protection block 21 is far away from the limiting rod 16 and presses the pushing spring 24, the buckling block 23 is slowly close to the buckling groove 22, and finally the buckling block 23 extends into the corresponding buckling groove 22 under the action of the pushing spring 24, so that the limiting rod 16 is prevented from transversely moving.

The first section door 12 is provided with at least one sliding groove 26, a gap is formed between the sliding groove 26 and the bottom of the first section door 12, the second section door 13 is provided with sliding rods 27 corresponding to the sliding grooves 26 one by one, and the upper part of the placing cavity 11 is also provided with a short clamping sliding groove 31 movably connected with the second section door 13.

In this example, in the initial state, the second door section 13 abuts against the bottom of the short locking sliding groove 31, and when the first door section 12 moves upward until the bottom of the sliding groove 26 abuts against the second door section 13, the second door section 13 is pushed to move upward along with the movement of the first door section 12.

In addition, the length of the baffle 30 is greater than or equal to the length of the first section door 12 or the second section door 13, and when the first section door 12 is positioned at the top end of the placing cavity 11, the bottom end of the baffle 30 is lower than the bottom ends of the first section door 12 and the second section door 13.

The end part of the protection plate 15 far away from the protection shaft 14 is rotatably connected with a rubber wheel 28, and the rubber wheel 28 extends out of the protection plate 15.

In this example, the rubber wheel 28 has a deformation capability, reduces the compression of the first door section 12 or the second door section 13, and reduces the friction with the first door section 12 or the second door section 13.

The utility model discloses a theory of operation: in the initial state, the second section door 13 abuts against the bottom of the short clamping sliding chute 31, when the first section door 12 moves upwards to the bottom of the sliding chute 26 to abut against the second section door 13, the second section door 13 is pushed to move upwards along with the movement of the first section door 12, when the first section door 12 or the second section door 13 moves upwards to push the corresponding protection plate 15, the corresponding protection shaft 14 is rotated, so that the torsion spring 29 is distorted and energy is stored, after the first section door 12 or the second section door 13 moves upwards to the upper side of the protection plate 15, the protection plate 15 makes the protection shaft 14 rotate to the initial state, namely the horizontal state, under the action of the torsion spring 29 after energy storage, the protection plate 15 rotates under the action of the torsion spring 29, at the moment, the limiting rod 16 extends into the corresponding protection shaft 14 and forms clamping with the protection shaft 14, so that the rotation of the protection plate 15 is prohibited, and when the limiting rod 16 moves, the buckling block 23 pushes the protection block 21, so that the protection block 21 is far away from the limiting rod 16 and pushes the pushing spring 24, the buckling block 23 is slowly close to the buckling groove 22, and finally the buckling block 23 extends into the corresponding buckling groove 22 under the action of the pushing spring 24, so that the limiting rod 16 is prevented from transversely moving.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the portal frame 10, the placing cavity 11, the first section door 12, the second section door 13, the protection shaft 14, the protection plate 15, the restriction lever 16, the connection cavity 17, the catching groove 18, the rotation cavity 19, the protection cavity 20, the protection block 21, the catching groove 22, the catching block 23, the pushing spring 24, the pushing surface 25, the sliding groove 26, the sliding rod 27, the rubber wheel 28, the torsion spring 29, the baffle 30, etc. are used more frequently herein, these terms are used only for the purpose of more conveniently describing and explaining the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a machine tool door protective structure, includes portal (10), its characterized in that, portal (10) in be equipped with and place chamber (11), place chamber (11) interior swing joint have can be along first section door (12) and second section door (13) of vertical direction, first section door (12) offset and swing joint with second section door (13), the upper portion of placing chamber (11) baffle (30) have, the both sides inner wall of placing chamber (11) in rotate respectively and be connected with a protection axle (14), protection axle (14) extend into the tip of placing chamber (11) and be equipped with guard plate (15), two protection axle (14) respectively with first section door (12) and second section door (13) swing joint, portal (10) in still be equipped with two and protection axle (14) one-to-one restriction lever (16), restriction lever (16) can extend into corresponding protection axle (14) in with protection axle (14) that correspond protection axle (14) shape Forming a clamping connection.

2. The machine tool door protection structure according to claim 1, wherein two sides of the placing cavity (11) are provided with connecting cavities (17) corresponding to the two protection shafts (14) one by one, two ends of each protection shaft (14) respectively extend into the placing cavity (11) and the corresponding connecting cavity (17), the limiting rod (16) can reciprocate left and right along the horizontal direction of the gantry (10), the limiting rod (16) extends into the corresponding connecting cavity (17), a clamping groove (18) is formed in the end part of the connecting cavity (17) into which the protection shaft (14) extends, and the shape of the clamping groove (18) is matched with the shape of the end part of the corresponding limiting rod (16).

3. A machine tool door guard structure according to claim 2, characterized in that a rotation cavity (19) is provided between each connecting cavity (17) and the placing cavity (11), the guard shaft (14) penetrates through the corresponding rotation cavity (19), and a torsion spring (29) is provided between the guard shaft (14) and the inner wall of the rotation cavity (19), the torsion spring (29) can make the guard plate (15) placed in the placing cavity (11) in a horizontal state.

4. A machine tool door guard structure according to claim 2 or 3, wherein the end of the clip groove (18) near the corresponding restraining bar (16) is in the shape of a step, the end of the clip groove (18) far from the corresponding restraining bar (16) is matched with the end of the restraining bar (16), and the cross-sectional area of the step near the end of the restraining bar (16) is larger than that of the other end.

5. A machine tool door guard structure according to claim 1, 2 or 3, wherein the upper and lower sides of each limiting rod (16) are respectively provided with a protection cavity (20) arranged in the door frame (10), each protection cavity (20) is internally provided with a protection block (21) capable of repeatedly moving up and down along the vertical direction, the end surface of each protection block (21) close to the limiting rod (16) is provided with a fastening groove (22), the upper and lower end surfaces of the limiting rod (16) are respectively provided with a fastening block (23), and the fastening blocks (23) are matched with the fastening grooves (22).

6. A machine tool door guard structure according to claim 5, characterized in that between each protection block (21) and the inner wall of the corresponding protection chamber (20) there is provided a thrust spring (24) capable of moving the protection block (21) towards the proximity of the corresponding limit rod (16).

7. A machine tool door guard structure according to claim 5, characterized in that the side of the catching groove (22) remote from the placing cavity (11) is provided with a pushing surface (25) arranged on the protection block (21), and the pushing surface (25) is obliquely placed.

8. A machine tool door guard structure according to claim 7, characterized in that the cross section of the catching groove (22) is isosceles triangle, the catching block (23) is isosceles trapezoid, the inclination direction of the pushing surface (25) is the same as the inclination direction of one of the inclined surfaces of the catching block (23), and a gap is formed between the catching groove (22) and the corresponding pushing surface (25).

9. A machine door guard structure according to claim 1, characterized in that said first section of door (12) is provided with at least one sliding slot (26), said sliding slot (26) is spaced from the bottom of said first section of door (12), said second section of door (13) is provided with sliding rods (27) corresponding to said sliding slot (26), and the upper portion of said housing chamber (11) is further provided with a short snap-fit sliding slot (31) movably connected to said second section of door (13).

10. A machine tool door guard structure according to claim 1, characterized in that a rubber wheel (28) is rotatably connected to the end of the guard plate (15) remote from the guard shaft (14), and the rubber wheel (28) extends out of the guard plate (15).

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