Buffering door stopper for safety door of machine tool

Abstract

The utility model discloses a machine tool safety door buffer door stopper, and relates to the technical field of machine tool safety doors, the machine tool safety door buffer door stopper comprises a first base and a second base, the outer side of the first base and the outer side of the second base are both provided with two clamping plates in a sliding mode, the inner side of the first base and the inner side of the second base are provided with threaded holes, and threaded columns are arranged in the threaded holes in a threaded mode. A first connecting block is arranged at the end, located on the first base, of the threaded column, a second connecting block is arranged at the end, located on the second base, of the threaded column, and the first connecting block and the second connecting block are connected through a buffering suction mechanism. The device has the advantages that the two sliding blocks are driven by the arranged bidirectional lead screw to move reversely, so that the two clamping plates are driven to move reversely, the first base and the safety door are fixed, the second base and a machine tool are fixed, bolt connection through punching is omitted, the first base and the second base are convenient to disassemble and assemble, and the machining efficiency is improved. And a threaded column and a threaded hole are arranged, so that the buffer suction mechanism can be conveniently disassembled and assembled, and the buffer suction mechanism can be overhauled and replaced.

Description

Technical Field

[0001] The utility model relates to a buffer door stopper, in particular to a buffer door stopper for a machine tool safety door, belonging to the technical field of machine tool safety doors. Background Technique

[0002] Machine tools, as a kind of machining equipment, are widely used in the production and processing field. Most of the existing machine tools are numerically controlled machine tools, including numerically controlled lathes, numerically controlled milling machines, numerically controlled grinding machines, etc. A large amount of cutting waste will be generated when the numerically controlled machine tool is working, and some cutting waste will fly out. In order to protect the operators, protective covers are provided on the existing numerically controlled machine tools. For the convenience of processing, a safety door is provided on the protective cover. However, when the existing safety door is opened and closed, when the push-pull type safety door is opened, it will shake continuously due to the operation of the machine tool. Therefore, in order to avoid its shaking, a door stopper is mostly used for fixation at present. However, the existing door stopper lacks a buffer structure, resulting in a relatively violent collision between the suction head and the suction seat, and the safety door is easily damaged.

[0003] After retrieval, a buffer door stopper for a machine tool safety door disclosed in, for example, application number 202222594399.3, includes a card seat and an impact column. A groove is provided on the card seat, and a buffer device is provided on the groove. During use, the impact column is stuck into the buffer device; the buffer device includes a buffer block, a slider and a first spring. The buffer block is slidably arranged on the groove. A convex block is provided on the side wall of the buffer block. The first spring is arranged between the side wall of the groove and the side wall of the convex block. The slider is slidably arranged on the side wall of the groove. The slider is slidably tangent to the convex block. Second springs are provided on the top wall and the bottom wall of the groove, and the second springs are arranged between the groove and the slider. The utility model belongs to the technical field of door stoppers, and specifically refers to a buffer door stopper for a machine tool safety door.

[0004] However, the above method still has the following defects in actual use: Fixing the door stopper with bolts requires pre-drilling holes in it, resulting in inconvenient disassembly and assembly of the door stopper. Content of the Utility Model

[0005] The purpose of the utility model is to provide a buffer door stopper for a machine tool safety door to solve the problem of inconvenient disassembly and assembly of the door stopper proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A buffer door stopper for a machine tool safety door includes a first base and a second base. Two clamping plates are slidably arranged on the outer sides of the first base and the second base. Threaded holes are opened on the inner sides of the first base and the second base. Threaded columns are threaded in the threaded holes. One end of the threaded column on the first base is provided with a first connecting block, and one end of the threaded column on the second base is provided with a second connecting block. And the first connecting block and the second connecting block are connected through a buffer suction mechanism.

[0007] As a preferred technical solution of the present utility model, sliding grooves are provided on the outer sides of the first base and the second base. Two sliders are slidably arranged inside the sliding grooves, and a clamping plate is arranged on one side of the sliders. A bidirectional lead screw threadedly connected to the sliders is rotatably arranged inside the sliding grooves, and one end of the bidirectional lead screw penetrates through one side of the first base and the second base and is provided with a turntable.

[0008] As a preferred technical solution of the present utility model, a buffer pad is provided on the surface of the threaded post.

[0009] As a preferred technical solution of the present utility model, the buffer suction mechanism includes an impact post. The impact post is arranged inside the first groove. The first groove is opened in the middle of the first connecting block. A first spring is arranged between one end of the impact post close to the first connecting block and the first groove.

[0010] As a preferred technical solution of the present utility model, a first buffer channel corresponding to the impact post is opened in the middle of the second connecting block. A spring cavity is arranged on one side of the first buffer channel. A third spring is arranged inside the spring cavity. One end of the third spring is provided with a magnetic sliding disc one, and the impact post is magnetically connected to the magnetic sliding disc one.

[0011] As a preferred technical solution of the present utility model, second grooves are opened at the top and bottom of the first connecting block. Connecting columns are slidably arranged inside the second grooves. A second spring is arranged between one end of the connecting column close to the second connecting block and the second groove. One end of the connecting column is provided with a magnetic suction head.

[0012] As a preferred technical solution of the present utility model, second buffer channels corresponding to the connecting columns are opened at the top and bottom of the second connecting block. Magnetic sliding discs two magnetically adsorbed to the magnetic suction heads are slidably arranged inside the second buffer channels. A fourth spring is arranged on one side of the magnetic sliding discs two.

[0013] Compared with the related art, a buffer door sucker for a machine tool safety door provided by the present utility model has the following beneficial effects:

[0014] By setting the bidirectional lead screw to drive the two sliders to move in opposite directions, thereby driving the two clamping plates to move in opposite directions, and then fixing the first base and the safety door, and fixing the second base and the machine tool. Drilling for bolt connection is avoided, making the first base and the second base easy to disassemble and assemble. The provided threaded post and threaded hole facilitate the disassembly and assembly of the buffer suction mechanism for maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the present utility model;

[0016] Figure 2 is of the present utility model Figure 1 an enlarged structural schematic diagram at A;

[0017] Figure 3 This is a schematic structural diagram after the first connecting block and the second connecting block of the present utility model are separated;

[0018] Figure 4 This is a schematic structural diagram after the first base and the first connecting block of the present utility model are separated;

[0019] Figure 5 This is a schematic cross-sectional structural diagram of the first connecting block of the present utility model;

[0020] Figure 6 This is a schematic cross-sectional structural diagram of the second connecting block of the present utility model.

[0021] In the figure: 1. The first base; 2. The second base; 3. The sliding groove; 4. The first slider; 5. The clamping plate; 6. The bidirectional lead screw; 601. The turntable; 7. The threaded hole; 8. The threaded post; 801. The buffer pad; 9. The first connecting block; 10. The second connecting block; 11. The buffer suction mechanism; 1101. The first groove; 1102. The impact post; 1103. The first spring; 1104. The second groove; 1105. The connecting post; 1106. The second spring; 1107. The first buffer channel; 1108. The spring cavity; 1109. The first magnetic sliding disk; 1110. The third spring; 1111. The second buffer channel; 1112. The second magnetic sliding disk; 1113. The fourth spring. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-6, the utility model provides a buffer door stopper for a machine tool safety door, which comprises a first base 1 and a second base 2. Two clamping plates 5 are slidably arranged on the outer sides of the first base 1 and the second base 2. Threaded holes 7 are formed in the inner sides of the first base 1 and the second base 2. Threaded posts 8 are threaded in the internal threads of the threaded holes 7. One end of the threaded post 8 located on the first base 1 is provided with a first connecting block 9, and one end of the threaded post 8 located on the second base 2 is provided with a second connecting block 10. The first connecting block 9 and the second connecting block 10 are connected through a buffer suction mechanism 11. Slide grooves 3 are arranged on the outer sides of the first base 1 and the second base 2. Two first sliders 4 are slidably arranged in the slide grooves 3. The clamping plates 5 are arranged on one side of the first sliders 4. A bidirectional lead screw 6 which is in threaded connection with the first sliders 4 is rotatably arranged in the slide grooves 3. One end of the bidirectional lead screw 6 penetrates through one side of the first base 1 and the second base 2 and is provided with a turntable 601. By rotating the turntable 601, the rotation of the turntable 601 drives the bidirectional lead screw 6 to rotate. Since the thread directions of the bidirectional lead screw 6 are opposite, the bidirectional lead screw 6 drives the two first sliders 4 to move linearly in opposite directions, thereby driving the two clamping plates 5 to move linearly in opposite directions, and further clamping the safety door and the machine tool, so that the first base 1 is fixed to the safety door and the second base 2 is fixed to the machine tool;

[0024] A buffer pad 801 is arranged on the surface of the threaded post 8 to increase the buffer force and reduce the impact force between the first base 1 and the second base 2;

[0025] The buffer suction mechanism 11 includes an impact column 1102, which is arranged in the first groove 1101. The first groove 1101 is opened in the middle of the first connecting block 9. A first spring 1103 is arranged between one end of the impact column 1102 close to the first connecting block 9 and the first groove 1101. A first buffer channel 1107 corresponding to the impact column 1102 is opened in the middle of the second connecting block 10. A spring cavity 1108 is arranged on one side of the first buffer channel 1107. A third spring 1110 is arranged inside the spring cavity 1108. A first magnetic sliding disk 1109 is arranged at one end of the third spring 1110, and the impact column 1102 is magnetically connected to the first magnetic sliding disk 1109. Second grooves 1104 are opened at the top and bottom of the first connecting block 9. Connecting columns 1105 are slidably arranged inside the second grooves 1104. A second spring 1106 is arranged between one end of the connecting column 1105 close to the second connecting block 10 and the second groove 1104. A magnetic suction head is arranged at one end of the connecting column 1105. Second buffer channels 1111 corresponding to the connecting columns 1105 are opened at the top and bottom of the second connecting block 10. A second magnetic sliding disk 1112 magnetically adsorbed to the magnetic suction head is slidably arranged inside the second buffer channels 1111. A fourth spring 1113 is arranged on one side of the second magnetic sliding disk 1112. When pulling the safety door, under the action of an external force, the impact column 1102 impacts the first magnetic sliding disk 1109. The first magnetic sliding disk 1109 slides in the spring cavity 1108 and compresses the third spring 1110. The third spring 1110 exerts a reaction force on the first magnetic sliding disk 1109. The first magnetic sliding disk 1109 impacts the impact column 1102 again. The impact column 1102 compresses the first spring 1103. Similarly, the first spring 1103 exerts a reaction force. After repeated buffering, the impact column 1102 and the first magnetic sliding disk 1109 are sucked together. Similarly, under the action of an external force, the connecting column 1105 impacts the second magnetic sliding disk 1112. Under the buffering action of the second spring 1106 and the fourth spring 1113, the connecting column 1105 and the second magnetic sliding disk 1112 are sucked together, realizing double buffer suction.

[0026] During use, first install the first base 1 on the safety door, install the second base 2 on the machine tool, rotate the turntable 601. The rotation of the turntable 601 drives the bidirectional lead screw 6 to rotate. Since the thread directions of the bidirectional lead screw 6 are opposite, the bidirectional lead screw 6 drives two first sliders 4 to move linearly in opposite directions, thereby driving two clamping plates 5 to move linearly in opposite directions, and further clamping the safety door and the machine tool, so that the first base 1 is fixed to the safety door and the second base 2 is fixed to the machine tool.

[0027] When pulling the safety door, under the action of an external force, the impact column 1102 impacts the first magnetic sliding disc 1109. The first magnetic sliding disc 1109 slides in the spring cavity 1108 and squeezes the third spring 1110. The third spring 1110 exerts a reaction force on the first magnetic sliding disc 1109, and the first magnetic sliding disc 1109 impacts the impact column 1102 again. The impact column 1102 squeezes the first spring 1103. Similarly, the first spring 1103 exerts a reaction force. After repeated buffering, the impact column 1102 and the first magnetic sliding disc 1109 are attracted to each other. Similarly, under the action of an external force, the connecting column 1105 impacts the second magnetic sliding disc 1112. Under the buffering action of the second spring 1106 and the fourth spring 1113, the connecting column 1105 and the second magnetic sliding disc 1112 are attracted to each other, realizing double buffering and attraction.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A machine tool safety door buffer door stopper, comprising a base 1 (1) and a base 2 (2), characterized in that: Two clamping plates (5) are slidably provided on the outer sides of the base one (1) and the base two (2); threaded holes (7) are provided on the inner sides of the base one (1) and the base two (2); threaded columns (8) are provided on the internal threads of the threaded holes (7); a connecting block one (9) is provided at one end of the threaded column (8) on the base one (1); a connecting block two (10) is provided at one end of the threaded column (8) on the base two (2); and the connecting block one (9) and the connecting block two (10) are connected via a buffer suction mechanism (11).

2. The machine tool safety door buffer door stopper according to claim 1, characterized in that: The outer sides of the base one (1) and the base two (2) are both provided with a slide groove (3), two sliders one (4) are slidably provided inside the slide groove (3), and a clamping plate (5) is arranged on one side of the slider one (4), and a bidirectional screw rod (6) threadedly connected to the slider one (4) is rotatably provided inside the slide groove (3), and one end of the bidirectional screw rod (6) passes through one side of the base one (1) and the base two (2) and is installed with a turntable (601).

3. The machine tool safety door buffer stopper according to claim 1, characterized in that: A buffer pad (801) is provided on the surface of the threaded column (8).

4. The machine tool safety door buffer stopper according to claim 1, characterized in that: The buffer suction mechanism (11) comprises an impact column (1102), wherein the impact column (1102) is arranged in a groove one (1101), wherein the groove one (1101) is opened in the middle of the connecting block one (9), and a first spring (1103) is arranged between an end of the impact column (1102) close to the connecting block one (9) and the groove one (1101).

5. The machine tool safety door buffer stopper according to claim 4, characterized in that: A buffer channel 1 (1107) corresponding to the impact column (1102) is provided in the middle of the connecting block 2 (10), a spring cavity (1108) is provided on one side of the buffer channel 1 (1107), a third spring (1110) is provided inside the spring cavity (1108), a magnetic sliding disk 1 (1109) is provided at one end of the third spring (1110), and the impact column (1102) is magnetically connected to the magnetic sliding disk 1 (1109).

6. The buffer door stopper for machine tool safety door according to claim 5, characterized in that: The top and bottom of the connecting block one (9) are provided with a groove two (1104), the interior of the groove two (1104) is slidably provided with a connecting column (1105), and a second spring (1106) is provided between one end of the connecting column (1105) close to the connecting block two (10) and the groove two (1104), and one end of the connecting column (1105) is provided with a magnetic suction head.

7. The machine tool safety door buffer stopper according to claim 6, characterized in that: The top and bottom ends of the second connecting block (10) are provided with a second buffer channel (1111) corresponding to the connecting column (1105); a second magnetic sliding disk (1112) magnetically adsorbed to the magnetic suction head is slidably provided inside the second buffer channel (1111); a fourth spring (1113) is provided on one side of the second magnetic sliding disk (1112).

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