Quick-change jig for machining of numerical control machine tool

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a quick-change jig for machining of a numerical control machine tool, which comprises a machine tool body, two rotating shafts are arranged between the left side and the right side of the machine tool body, one end of each rotating shaft is fixedly connected with a connecting disc, and one side of each connecting disc is fixedly connected with four sleeves. A positioning rod is slidably connected to one side of the sleeve, a connecting column penetrates through and is slidably connected to the right side of the connecting disc, two limiting rings are fixedly connected to the outer ring of the connecting column, a threaded rod penetrates through and is in threaded connection with the outer ring of the connecting disc, and a limiting disc is fixedly connected to one end of the connecting column. And a fixing mechanism is arranged on one side of the limiting disc. According to the utility model, when a larger fixing disc needs to be replaced, the threaded rod on the outer ring of the connecting disc is screwed out of the connecting column, the connecting column is popped out of the connecting disc through the spring, then the sleeve and the positioning rod are used for positioning, and the limiting disc is replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a quick-change fixture for numerical control machine tool processing. Background Art

[0002] CNC machine tools are automated processing equipment controlled by computer programs. They utilize pre-programmed digital information to precisely control the machine's movements and machining processes. Compared to traditional machine tools, CNC machine tools offer higher precision, efficiency, and stability, enabling them to perform complex cutting, milling, drilling, and other machining operations.

[0003] A CNC machine tool fixture is a specially designed auxiliary device used to secure and position workpieces on CNC machine tools, ensuring machining accuracy and consistency. It can quickly and reliably clamp workpieces of various shapes and sizes, improving the machine's production efficiency.

[0004] The inability to quickly change fixtures on existing CNC machine tools significantly reduces production efficiency, increases machine idle time, and thus extends processing cycles and increases production costs. Furthermore, existing CNC machine tools are unable to secure fixtures of varying sizes, reducing processing flexibility and limiting the ability to produce a wide variety of products in small batches.

[0005] In view of the above problems, a quick-change fixture for CNC machine tool processing is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a quick-change fixture for CNC machine tool processing, which solves the problem of the inability to quickly replace the fixture in the background technology.

[0007] To achieve the above-mentioned object, the utility model provides the following technical solutions: a quick-change jig for CNC machine tools, comprising a machine tool body, two rotating shafts are provided between the left and right sides of the machine tool body, one end of the rotating shaft is fixedly connected to a connecting disk, one side of the connecting disk is fixedly connected to four sleeves, one side of the sleeve is slidably connected to a positioning rod, the right side of the connecting disk is penetrated and slidably connected to a connecting column, two limiting rings are fixedly connected to the outer ring of the connecting column, a threaded rod is penetrated and threadedly connected to the outer ring of the connecting disk, and the threaded rod is penetrated and threadedly connected to the connecting column, one end of the connecting column is fixedly connected to the limiting disk, and a fixing mechanism is provided on one side of the limiting disk;

[0008] By adopting the above technical solution, the limit plate is replaced by unscrewing the threaded rod on the outer ring of the connecting plate out of the connecting column, ejecting the connecting column out of the connecting plate through the spring, and then positioning it through the sleeve and the positioning rod.

[0009] As a further description of the above technical solution: the fixing mechanism includes a limit plate, a bidirectional screw rod is passed through the top of the limit plate and is rotatably connected, two nut pairs are passed through the outer ring of the bidirectional screw rod and are threadedly connected, and a clamping column is fixedly connected to one side of the nut pair;

[0010] By adopting the above technical solution, the bidirectional screw rod is rotated to move the nut pair up and down in the fixed disk, so that the clamping column slides out of the fixed block, thereby allowing the fixed disk to be disassembled.

[0011] As a further description of the above technical solution: a fixing block is provided between the top and bottom of the two clamping columns, one side of the fixing block is fixedly connected to a fixing plate, and one side of the fixing plate is provided with a clamping claw;

[0012] By adopting the above technical solution, the workpiece is fixed by the claws on the two fixing plates.

[0013] As a further description of the above technical solution: a spring is passed through and fixedly connected to one side of the connecting disk;

[0014] By adopting the above technical solution, the connecting column is ejected from the connecting disk by the spring.

[0015] As a further description of the above technical solution: a second electric push rod is provided on the left side of the rotating shaft;

[0016] By adopting the above technical solution, the left fixed plate is driven to move to the right by the second electric push rod.

[0017] As a further description of the above technical solution: the right side of the rotating shaft is fixedly connected to a motor;

[0018] By adopting the above technical solution, the motor drives the rotating shaft to rotate, causing the workpiece to rotate.

[0019] As a further description of the above technical solution: an electric slide rail is fixedly connected to the top of the machine tool body, and a fixing frame is provided on the top of the electric slide rail;

[0020] By adopting the above technical solution, the electric slide rail can drive the processing head to move left and right.

[0021] As a further description of the above technical solution: a first electric push rod is fixedly connected to the top of the fixing frame, and a processing head is fixedly connected to the bottom of the first electric push rod.

[0022] By adopting the above technical solution, the first electric push rod drives the machining head to move downward to process the workpiece.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0024] 1. The utility model provides a quick-change fixture for CNC machine tools. First, when the fixed plate needs to be replaced, the nut pair is moved up and down in the fixed plate by rotating the bidirectional screw rod, so that the clamping column slides out of the fixed block, thereby allowing the fixed plate to be disassembled.

[0025] 2. The utility model provides a quick-change fixture for CNC machine tool processing. When a larger fixed disk needs to be replaced, the threaded rod on the outer ring of the connecting disk is unscrewed out of the connecting column, the connecting column is ejected from the connecting disk by the spring, and then positioned by the sleeve and the positioning rod to replace the limit disk. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the machine tool body structure of the present utility model;

[0028] Figure 3 This is a schematic diagram of the connection disk structure of the present utility model.

[0029] In the figure: 1. Machine tool body; 2. Electric slide rail; 3. Fixed frame; 4. First electric push rod; 5. Processing head; 6. Second electric push rod; 7. Connecting plate; 8. Limit plate; 9. Fixed plate; 10. Motor; 11. Rotating shaft; 12. Threaded rod; 13. Spring; 14. Sleeve; 15. Positioning rod; 16. Connecting column; 17. Limiting ring; 18. Bidirectional screw; 19. Nut pair; 20. Clamping column; 21. Fixing block; 22. Clamping claw. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0032] Combine Figure 1 and Figure 2The utility model is a quick-changing fixture for CNC machine tools, comprising a machine tool body 1, a left rotating shaft 11 passing through and provided with a second electric push rod 6 on the left side, a right rotating shaft 11 fixedly connected to a motor 10 on the right side, an electric slide rail 2 fixedly connected to the top of the machine tool body 1, a fixed frame 3 is provided on the top of the electric slide rail 2, a first electric push rod 4 is fixedly connected to the top of the fixed frame 3, a processing head 5 is fixedly connected to the bottom of the first electric push rod 4, the left fixed disk 9 is driven to move to the right by the second electric push rod 6, the workpiece is fixed by the claws 22 on the two fixed disks 9, and then the motor 10 drives the rotating shaft 11 to rotate, so that the workpiece rotates, and then the first electric push rod 4 drives the processing head 5 to move downward to process the workpiece, and the electric slide rail 2 can drive the processing head 5 to move left and right.

[0033] Combine Figure 2 and Figure 3 Two rotating shafts 11 are provided between the left and right sides of the machine tool body 1, and one end of the rotating shaft 11 is fixedly connected to the connecting disk 7, and four sleeves 14 are fixedly connected to one side of the connecting disk 7. A positioning rod 15 is slidably connected to one side of the sleeve 14, and a connecting column 16 is passed through and slidably connected to the right side of the connecting disk 7. Two limiting rings 17 are fixedly connected to the outer ring of the connecting column 16, and a threaded rod 12 is passed through and threadedly connected to the outer ring of the connecting disk 7, and the threaded rod 12 is passed through and threadedly connected to the connecting column 16. One end of the connecting column 16 is fixedly connected to the limiting disk 8, and a spring 13 is passed through and fixedly connected to one side of the connecting disk 7. When the fixed disk 9 needs to be replaced, the nut pair 19 is moved up and down in the fixed disk 9 by rotating the bidirectional screw 18, so that the clamping column 20 slides out of the fixed block 21, so that the fixed disk 9 can be disassembled.

[0034] Combine Figure 3 A fixing mechanism is provided on one side of the limit plate 8, and the fixing mechanism includes a limit plate 8, a bidirectional screw rod 18 is passed through the top of the limit plate 8 and rotatably connected, and two nut pairs 19 are passed through and threadedly connected on the outer ring of the bidirectional screw rod 18, and a clamping column 20 is fixedly connected to one side of the nut pair 19, and a fixing block 21 is passed through and provided between the top and bottom of the two clamping columns 20, and a fixing block 21 is fixedly connected to one side of the fixing block 21. A fixing plate 9 is fixedly connected to one side of the fixing block 21, and a claw 22 is passed through one side of the fixing plate 9. When a larger fixing plate 9 needs to be replaced, the threaded rod 12 on the outer ring of the connecting plate 7 is unscrewed out of the connecting column 16, and the connecting column 16 is ejected from the connecting plate 7 by the spring 13, and then positioned by the sleeve 14 and the positioning rod 15.

[0035] Working principle: When the utility model is in use, the left fixed plate 9 is first driven to move to the right by the second electric push rod 6, and the workpiece is fixed by the claws 22 on the two fixed plates 9, and then the motor 10 drives the rotating shaft 11 to rotate to make the workpiece rotate, and then the first electric push rod 4 drives the processing head 5 to move downward to process the workpiece, and the electric slide rail 2 can drive the processing head 5 to move left and right. When the fixed plate 9 needs to be replaced, the nut pair 19 is moved up and down in the fixed plate 9 by rotating the bidirectional screw rod 18, so that the clamping column 20 slides out of the fixed block 21, so that the fixed plate 9 can be disassembled. When a larger fixed plate 9 needs to be replaced, the threaded rod 12 on the outer ring of the connecting plate 7 is unscrewed out of the connecting column 16, and the connecting column 16 is ejected from the connecting plate 7 by the spring 13, and then positioned by the sleeve 14 and the positioning rod 15 to replace the limit plate 8.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-change fixture for CNC machine tool processing, comprising a machine tool body (1), characterized in that: Two rotating shafts (11) are provided between the left and right sides of the machine tool body (1), one end of the rotating shaft (11) is fixedly connected to a connecting disk (7), one side of the connecting disk (7) is fixedly connected to four sleeves (14), one side of the sleeve (14) is slidably connected to a positioning rod (15), the right side of the connecting disk (7) is penetrated and slidably connected to a connecting column (16), two limiting rings (17) are fixedly connected to the outer ring of the connecting column (16), a threaded rod (12) is penetrated and threadedly connected to the outer ring of the connecting disk (7), and the threaded rod (12) is penetrated and threadedly connected to the connecting column (16), one end of the connecting column (16) is fixedly connected to a limiting disk (8), and a fixing mechanism is provided on one side of the limiting disk (8).

2. The quick-change fixture for CNC machine tools according to claim 1, characterized in that: The fixing mechanism comprises a limit plate (8), a bidirectional screw rod (18) passing through the top of the limit plate (8) and being rotatably connected, two nut pairs (19) passing through the outer ring of the bidirectional screw rod (18) and being threadedly connected, and a clamping column (20) being fixedly connected to one side of the nut pair (19).

3. The quick-change fixture for CNC machine tools according to claim 2, characterized in that: A fixing block (21) is provided between the top and bottom of the two clamping columns (20), one side of the fixing block (21) is fixedly connected to a fixing plate (9), and one side of the fixing plate (9) is provided with a clamping claw (22).

4. The quick-change fixture for CNC machine tools according to claim 1, characterized in that: A spring (13) passes through and is fixedly connected to one side of the connecting disk (7).

5. The quick-change fixture for CNC machine tool processing according to claim 1, characterized in that: A second electric push rod (6) is passed through and provided on the left side of the rotating shaft (11) on the left side.

6. The quick-change fixture for CNC machine tools according to claim 1, characterized in that: The right side of the rotating shaft (11) is fixedly connected with a motor (10).

7. The quick-change fixture for CNC machine tools according to claim 1, characterized in that: An electric slide rail (2) is fixedly connected to the top of the machine tool body (1), and a fixing frame (3) is provided on the top of the electric slide rail (2).

8. The quick-change fixture for CNC machine tools according to claim 7, characterized in that: The top of the fixed frame (3) is fixedly connected to a first electric push rod (4), and the bottom of the first electric push rod (4) is fixedly connected to a processing head (5).

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