Automatic door of machine tool

Abstract

The automatic door of the machine tool comprises a door frame, and a first group of doors and a second group of doors which are overlapped with each other are arranged on the door frame in a sliding mode. The first door group comprises a first door plate and a second door plate which are arranged on the door frame in a relatively sliding manner; the second group of doors comprises a third door plate and a fourth door plate which are relatively slidably arranged on the door frame; the driving assembly is used for driving the first door plate and the second door plate to open or close; the first linkage assembly is used for driving the first door plate and the second door plate to move synchronously; the second linkage assembly is used for connecting the first group of doors and the second group of doors; the first door plate, the third door plate, the second door plate and the fourth door plate are oppositely arranged on the door frame in an overlapped mode, the occupied space of the door plates is effectively reduced, the driving assembly drives the four door plates to move synchronously when the door is opened and closed, and the door opening speed is effectively increased.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic doors, in particular to an automatic door for machine tools. Background Art

[0002] In recent years, with the rapid development of manufacturing automation, various machine tools are increasingly used in automatic production lines. Generally, machine tools are equipped with automatic doors, which can facilitate the operation of industrial robots to quickly clamp workpieces, save manpower and costs, and improve work efficiency.

[0003] Most automatic doors are single-opening or double-opening. Some large machine tools process larger parts, so the door size is relatively wide, which will increase the size of the door panel. Not only does the force required to open the door increase accordingly, but the door panel also takes up a lot of space, which is not conducive to processing. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention aims to provide an automatic door for a machine tool.

[0005] The purpose of the utility model can be achieved through the following technical solutions: an automatic door for a machine tool, comprising a door frame, on which a first group of doors and a second group of doors are slidingly provided, which overlap with each other; the first group of doors comprises a first door panel and a second door panel which are relatively slidably arranged on the door frame; the second group of doors comprises a third door panel and a fourth door panel which are relatively slidably arranged on the door frame; a driving assembly for driving the first door panel and the second door panel to open or close; a first linkage assembly for driving the first door panel and the second door panel to move synchronously; a second linkage assembly for connecting the first group of doors and the second group; and a counterweight assembly for driving the third door panel and the fourth door panel to open.

[0006] Preferably, the upper part of the door frame is provided with a first hanging rail and a second hanging rail, the top of the first door panel and the second door panel is provided with a first slider that slides with the first hanging rail, the top of the third door panel and the fourth door panel is provided with a second slider that slides with the second hanging rail, the bottom of the first door panel, the second door panel, the third door panel and the fourth door panel are all provided with rollers, and the lower part of the door frame is provided with a slide groove that rolls with the rollers.

[0007] Preferably, the driving assembly includes a rodless cylinder arranged on the door frame, and the output end of the rodless cylinder is provided with a pull rod, which is fixedly connected to the top of the first door panel or the second door panel.

[0008] Preferably, the first linkage assembly includes a first pulley symmetrically arranged on the door frame, a first rope is sleeved on the first pulley, and an adjusting device is provided on the first door panel and the second door panel. The adjusting device on the first door panel is connected to the upper part of the first rope, and the adjusting device on the second door panel is connected to the lower part of the first rope.

[0009] Preferably, the adjustment device includes a support plate, an adjustment block connected to the first rope is slidably provided on the support plate, an adjustment screw is provided on the adjustment block and is threadedly connected to the support plate, a waist hole is opened on the support plate, and a locking bolt is provided in the waist hole and is threadedly connected to the adjustment block.

[0010] Preferably, a protective cover is provided on the door frame on one side of the first cord.

[0011] Preferably, the second linkage assembly includes two blocks respectively arranged on the top of the first door panel and the second door panel, and the top of the third door panel and the fourth door panel are both provided with baffles corresponding to the blocks.

[0012] Preferably, the lower parts of both sides of the door frame are provided with limit blocks corresponding to the third door panel and the fourth door panel.

[0013] Preferably, the counterweight assembly includes counterweight rods respectively arranged on both sides of the third door panel and the fourth door panel, each counterweight rod is connected to a second rope, a pulley seat is provided on the upper part of both sides of the door frame, a second pulley is rotatably provided on the pulley seat, and the two second ropes pass through the corresponding second pulleys and are respectively connected to the third door panel and the fourth door panel.

[0014] Preferably, guide sleeves are fixedly provided on both sides of the door frame, and the counterweight rod is movably arranged in the guide sleeves.

[0015] The beneficial effects of the present utility model are as follows: the present utility model effectively reduces the space occupied by the door panels by relatively overlapping the first door panel and the third door panel and the second door panel and the fourth door panel on the door frame, and the first door panel and the second door panel are connected by a first linkage assembly, so that the driving assembly can drive the first door panel and the third door panel to open or close synchronously, and when closing the door, the third door panel and the fourth door panel are driven to close synchronously by the block, and when opening the door, the first door group and the second door group are opened by the driving assembly, and the third door panel and the fourth door panel are opened by the counterweight assembly, and the four door panels move synchronously when opening and closing the door, thereby effectively improving the door opening speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described with reference to the accompanying drawings. However, the embodiments in the accompanying drawings do not constitute any limitation to the present invention. A person skilled in the art can obtain other drawings based on the following drawings without creative effort.

[0017] Figure 1 The utility model is a structural schematic diagram of an automatic door for machine tools.

[0018] Figure 2 This is another structural schematic diagram of an automatic door for machine tools according to the present utility model.

[0019] Figure 3 The utility model is a schematic diagram of the internal structure of an automatic door for machine tools.

[0020] Figure 4 The utility model is a schematic structural diagram of the first linkage component of an automatic door for a machine tool.

[0021] Figure 5 This is a schematic structural diagram of a first door panel of an automatic door for a machine tool according to the present utility model.

[0022] Figure 6 This is a schematic structural diagram of the third door panel of an automatic door for machine tools according to the present utility model.

[0023] Figure 7 The utility model is a structural schematic diagram of an adjustment device for an automatic door of a machine tool.

[0024] Figure 8 for Figure 3 Partial schematic diagram at point A in the middle.

[0025] Figure 9 for Figure 3 Partial schematic diagram at point B in the middle.

[0026] Figure 10 for Figure 4 Partial schematic diagram at point C in the middle.

[0027] Figure 11 for Figure 6 Partial schematic diagram at point D in the middle.

[0028] The numbers shown in the figure are as follows: 1. Door frame; 101. First hanging rail; 102. Second hanging rail; 103. Slide; 2. First set of doors; 201. First door panel; 202. Second door panel; 203. Stopper; 204. Roller; 205. First slide; 3. Second set of doors; 301. Third door panel; 302. Fourth door panel; 303. Stopper; 304. Second slide; 4. Drive assembly; 401. Rodless pneumatic Cylinder; 402, pull rod; 5, first linkage assembly; 501, first pulley; 502, first rope; 6, counterweight assembly; 601, counterweight rod; 602, second rope; 603, pulley seat; 604, second pulley; 7, adjusting device; 701, support plate; 702, adjusting block; 703, adjusting screw; 704, waist hole; 705, locking bolt; 8, protective cover; 9, limit block; 10, guide sleeve. DETAILED DESCRIPTION

[0029] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), such directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0031] The following will be combined with specific embodiments to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0032] See Figures 1 to 11 As shown, the structure of the utility model is as follows: an automatic door for a machine tool comprises a door frame 1, on which a first set of doors 2 and a second set of doors 3 are slidingly overlapped with each other; the first set of doors 2 comprises a first door panel 201 and a second door panel 202 which are relatively slidably arranged on the door frame 1; the second set of doors 3 comprises a third door panel 301 and a fourth door panel 302 which are relatively slidably arranged on the door frame 1; a driving assembly 4 is used to drive the first door panel 201 and the second door panel 202 to open or close; a first linkage assembly 5 is used to drive the first door panel 201 and the second door panel 202 to move synchronously; a second linkage assembly is used to connect the first set of doors 2 and the second set of doors 3; a counterweight assembly 6 is used to drive the third door panel 301 and the fourth door panel 302 to open. Specifically, the first door panel 201 and the third door panel 301 are slidingly arranged on one side of the door frame 1 so as to overlap with each other, and the second door panel 202 and the fourth door panel 302 are slidingly arranged on the other side of the door frame 1. The door panels 302 are arranged to slide and overlap with each other on the other side of the door frame 1. Under the action of the counterweight assembly 6, the third door panel 301 and the fourth door panel 302 are always subjected to force to both sides and always remain in an open state without being affected by external forces. When closing the door, the driving assembly 4 drives the first door panel 201 or the second door panel 202 to move toward the middle, and drives the other door panel to move toward the middle synchronously under the action of the first linkage assembly 5. At the same time, the third door panel 301 and the fourth door panel 302 are simultaneously driven to close through the second linkage assembly; when opening the door, the driving assembly 4 drives the first door panel 201 or the second door panel 202 to move to one side, and drives the other door panel to move to the other side through the first linkage assembly 5. At the same time, as the first door panel 201 and the second door panel 202 move to both sides, the third door panel 301 and the fourth door panel 302 are opened synchronously under the action of the counterweight assembly 6 and the second linkage assembly.

[0033] like Figure 3 、 Figure 5 、 Figure 6 、 Figure 8 The upper part of the door frame 1 is provided with a first hanging rail 101 and a second hanging rail 102, the top of the first door panel 201 and the second door panel 202 is provided with a first slider 205 that slides with the first hanging rail 101, the top of the third door panel 301 and the fourth door panel 302 is provided with a second slider 304 that slides with the second hanging rail 102, the bottom of the first door panel 201, the second door panel 202, the third door panel 301 and the fourth door panel 302 are all provided with rollers 204, and the lower part of the door frame 1 is provided with a There is a slide groove 103 that cooperates with the roller 204 for rolling. Specifically, the first door panel 201 and the second door panel 202 are suspended and supported for sliding by the first slider 205 and the first hanging rail 101, and the third door panel 301 and the fourth door panel 302 are suspended and supported for sliding by the second slider 304 and the second hanging rail 102. The bottom of each door panel is guided by the roller 204 and the slide groove 103, which effectively avoids problems such as abnormal noise and uneven opening and closing of doors caused by foreign matter such as dust adhering to the track.

[0034] like Figure 4 、 Figure 9 As shown, the driving assembly 4 includes a rodless cylinder 401 arranged on the door frame 1, and a pull rod 402 is provided at the output end of the rodless cylinder 401. The pull rod 402 is fixedly connected to the top of the first door panel 201 or the second door panel 202. Specifically, by using the rodless cylinder 401 to drive the first door panel 201 or the second door panel 202 to slide left and right, the door can be manually opened and closed when the air is cut off.

[0035] like Figure 4 、 Figure 10 As shown, the first linkage component 5 includes a first pulley 501 symmetrically arranged on the door frame 1, and a first rope 502 is sleeved on the first pulley 501. The first door panel 201 and the second door panel 202 are both provided with an adjusting device 7. The adjusting device 7 on the first door panel 201 is connected to the upper part of the first rope 502, and the adjusting device 7 on the second door panel 202 is connected to the lower part of the first rope 502. Specifically, the top of the first door panel 201 is connected to the first rope 502 through the adjusting device 7. The tightness of the first rope 502 can be adjusted by the adjusting component. When the first door panel 201 moves, it also drives the upper first rope 502 to move to one side. The first rope 502 changes the moving direction through the first pulley 501, so that the lower first rope 502 moves in the opposite direction, thereby driving the second door panel 202 to move relatively synchronously.

[0036] like Figure 7As shown, the adjusting device 7 includes a support plate 701, on which an adjusting block 702 connected to the first rope 502 is slidably provided, and an adjusting screw 703 threadedly connected to the support plate 701 is provided on the adjusting block 702, and a waist hole 704 is provided on the support plate 701, in which a locking bolt 705 threadedly connected to the adjusting block 702 is provided. Specifically, one end of the first rope 502 passes through the support plate 701 and is knotted and stuck, and the other end of the first rope 502 passes through the adjusting block 702 and is knotted and stuck. The adjusting screw 703 is rotated to adjust the position of the adjusting block 702 to tighten or loosen the first rope 502, and then the position of the adjusting block 702 is locked by the locking bolt 705.

[0037] like Figure 2 As shown, a protective cover 8 is provided on the door frame 1 on one side of the first rope 502. Specifically, the protective cover 8 is used to prevent foreign matter such as iron filings and powder from adhering to the rope or the first pulley 501, thereby avoiding damage to the rope when opening and closing the door.

[0038] like Figure 5 、 Figure 6 As shown, the second linkage assembly includes two blocks 203 respectively arranged on the top of the first door panel 201 and the second door panel 202, and the top of the third door panel 301 and the fourth door panel 302 are provided with a baffle 303 corresponding to each block 203. Specifically, the block 203 on the top of the first door panel 201 and the second door panel 202 is installed at the end away from the middle, and the baffle 303 on the top of the third door panel 301 and the fourth door panel 302 is installed at the end close to the middle. When the door is closed, the first door panel 201 and the second door panel 202 are in a closed position. The plate 202 moves toward the middle, pushing the baffle 303 through the stop block 203, driving the third door panel 301 and the fourth door panel 302 to close synchronously; when opening the door, the first door panel 201 and the second door panel 202 move to both sides respectively, and under the action of the counterweight assembly 6, the third door panel 301 and the fourth door panel 302 will open quickly to both sides. At this time, the stop block 203 pulls the baffle 303, so that the third door panel 301 and the fourth door panel 302 follow the opening speed of the first door panel 201 and the second door panel 202 and open synchronously.

[0039] like Figure 2 、 Figure 3 As shown, the lower part of both sides of the door frame 1 is provided with limit blocks 9 corresponding to the third door panel 301 and the fourth door panel 302. Specifically, when the door is opened, the third door panel 301 and the fourth door panel 302 stop moving after abutting against the limit blocks 9, while the first door panel 201 and the second door panel 202 continue to move to both sides under the drive of the driving component 4 until the first door panel 201 and the second door panel 202 are fully opened and overlap with the third door panel 301 and the fourth door panel 302, respectively.

[0040] like Figure 3 、 Figure 6 、 Figure 11As shown, the lower parts of both sides of the door frame are provided with limit blocks corresponding to the third door panel and the fourth door panel.

[0041] Preferably, the counterweight assembly 6 includes a counterweight rod 601 respectively arranged on both sides of the third door panel 301 and the fourth door panel 302, each counterweight rod 601 is connected to a second rope 602, a pulley seat 603 is provided on the upper part of both sides of the door frame 1, a second pulley 604 is rotatably provided on the pulley seat 603, and two second ropes 602 pass through the corresponding second pulleys 604 and are respectively connected to the third door panel 301 and the fourth door panel 302. Specifically, the counterweight rods 601 on both sides are respectively connected to the third door panel 301 and the fourth door panel 302 through the second ropes 602. Under the action of the counterweight rod 601, the third door panel 301 is rotated to rotate. The door panels 301 and the fourth door panel 302 always open to the sides when no force is applied. When closing the door, the blocks 203 on the first door panel 201 and the second door panel 202 push the baffles 303 on the third door panel 301 and the fourth door panel 302, driving the third door panel 301 and the fourth door panel 302 to move toward the middle by overcoming the weight of the counterweight rod 601. When opening the door, the first door panel 201 and the second door panel 202 open to the sides, the blocks 203 pull the baffles 303, and under the action of the counterweight rod 601, the third door panel 301 and the fourth door panel 302 open synchronously with the first door panel 201 and the second door panel 202.

[0042] like Figure 2 As shown, guide sleeves 10 are fixedly provided on both sides of the door frame 1, and the counterweight rod 601 is movably arranged in the guide sleeves (10). Specifically, the guide sleeves 10 are used to prevent the counterweight rod 601 from shaking when opening and closing the door.

[0043] During specific use, when closing the door, the driving component 4 drives the first door panel 201 or the second door panel 202 to move toward the middle, and under the action of the first linkage component 5, drives the other door panel to move toward the middle synchronously, and at the same time, the block 203 pushes the baffle 303, driving the third door panel 301 and the fourth door panel 302 to close synchronously; when opening the door, the driving component 4 drives the first door panel 201 or the second door panel 202 to move to one side, and drives the other door panel to move to the other side through the first linkage component 5. At the same time, as the first door panel 201 and the second door panel 202 move to both sides, the block 203 pulls the baffle 303, and under the action of the counterweight component 6, the third door panel 301 and the fourth door panel 302 are opened synchronously.

[0044] The above further describes the present invention with the help of specific embodiments, but it should be understood that the specific description here should not be construed as limiting the essence and scope of the present invention. Various modifications made to the above embodiments by ordinary technicians in this field after reading this specification are all within the scope of protection of the present invention.

Claims

1. An automatic door for a machine tool, characterized by: It comprises a door frame (1), on which a first set of doors (2) and a second set of doors (3) are slidably provided and overlapped with each other; A first door group (2) comprises a first door panel (201) and a second door panel (202) which are relatively slidably arranged on the door frame (1); The second door group (3) comprises a third door panel (301) and a fourth door panel (302) which are relatively slidably arranged on the door frame (1); A driving assembly (4) for driving the first door panel (201) and the second door panel (202) to open or close; A first linkage assembly (5) is used to drive the first door panel (201) and the second door panel (202) to move synchronously; A second linkage assembly, used to connect the first set of doors (2) and the second set of doors (3); The counterweight assembly (6) is used to drive the third door panel (301) and the fourth door panel (302) to open.

2. The automatic door for machine tools according to claim 1, characterized in that: The upper portion of the door frame (1) is provided with a first hanging rail (101) and a second hanging rail (102); the tops of the first door panel (201) and the second door panel (202) are provided with a first sliding block (205) that is slidably engaged with the first hanging rail (101); the tops of the third door panel (301) and the fourth door panel (302) are provided with a second sliding block (304) that is slidably engaged with the second hanging rail (102); the bottoms of the first door panel (201), the second door panel (202), the third door panel (301) and the fourth door panel (302) are all provided with rollers (204); and the lower portion of the door frame (1) is provided with a sliding groove (103) that is rollingly engaged with the rollers (204).

3. The automatic door for machine tools according to claim 1, characterized in that: The driving assembly (4) comprises a rodless cylinder (401) arranged on the door frame (1), wherein an output end of the rodless cylinder (401) is provided with a pull rod (402), and the pull rod (402) is fixedly connected to the top of the first door panel (201) or the second door panel (202).

4. The automatic door for machine tools according to claim 1, characterized in that: The first linkage assembly (5) comprises a first pulley (501) symmetrically arranged on the door frame (1), a first string (502) being sleeved on the first pulley (501), and an adjustment device (7) being provided on both the first door panel (201) and the second door panel (202), the adjustment device (7) on the first door panel (201) being connected to the upper portion of the first string (502), and the adjustment device (7) on the second door panel (202) being connected to the lower portion of the first string (502).

5. The automatic door for machine tools according to claim 4, characterized in that: The adjusting device (7) comprises a support plate (701), an adjusting block (702) connected to the first line (502) is slidably provided on the support plate (701), an adjusting screw (703) threadedly connected to the support plate (701) is provided on the adjusting block (702), a waist hole (704) is opened on the support plate (701), and a locking bolt (705) threadedly connected to the adjusting block (702) is provided in the waist hole (704).

6. The automatic door for machine tools according to claim 4, characterized in that: A protective cover (8) is provided on the door frame (1) on one side of the first cord (502).

7. The automatic door for machine tools according to claim 1, characterized in that: The second linkage assembly comprises two stoppers (203) respectively arranged on the top of the first door panel (201) and the second door panel (202), and the tops of the third door panel (301) and the fourth door panel (302) are each provided with a stopper (303) corresponding to each stopper (203).

8. The automatic door for machine tools according to claim 1, characterized in that: The lower parts of both sides of the door frame (1) are provided with limiting blocks (9) corresponding to the third door panel (301) and the fourth door panel (302).

9. The automatic door for machine tools according to claim 1, characterized in that: The counterweight assembly (6) comprises counterweight rods (601) respectively arranged on both sides of the third door panel (301) and the fourth door panel (302), each of the counterweight rods (601) is connected to a second rope (602), and pulley seats (603) are provided on the upper parts of both sides of the door frame (1), and second pulleys (604) are rotatably provided on the pulley seats (603). The two second ropes (602) pass through the corresponding second pulleys (604) and are respectively connected to the third door panel (301) and the fourth door panel (302).

10. The automatic door for machine tools according to claim 9, characterized in that: Guide sleeves (10) are fixedly provided on both sides of the door frame (1), and the counterweight rod (601) is movably arranged in the guide sleeves (10).

Images