Adjustable indexing chuck

Abstract

The utility model relates to the technical field of indexing chucks, in particular to an adjustable indexing chuck which is characterized in that side square blocks are fixed to the upper side and the lower side of an indexing chuck body, a first linear bearing rod and a second linear bearing rod are fixed between the side square blocks on the left side and the right side respectively, and a first supporting column is fixed to the upper surface of the indexing chuck body; the upper end of the first supporting column is fixedly connected to the base, a second supporting column is fixed to the lower surface of the indexing chuck body, the end face of the second supporting column is fixedly connected to the bottom ring, a first clamping plate is fixedly connected to the first connecting plate, a second clamping plate is fixedly connected to the second connecting plate, and a transmission rod is arranged in the middle of the first connecting plate and the middle of the second connecting plate. A partition block is fixed to the middle of the transmission rod. The adjustable indexing chuck has the advantages that flexible clamping, accurate indexing and stable supporting and mounting of a workpiece can be achieved, and the adjustable indexing chuck is suitable for various occasions needing precise angle positioning and repeated machining.

Description

Technical Field

[0001] The utility model relates to the field of indexing chucks, in particular to an adjustable indexing chuck. Background Art

[0002] The indexing chuck is a special chuck used on CNC lathes. The clamp drives the workpiece to rotate through program control, so that multiple surfaces of the workpiece can be processed in one clamping.

[0003] The chuck is used to fix the workpiece, but the existing chuck still has shortcomings. The adjustment of the existing chuck is mostly manual adjustment, and the manual adjustment is not firm enough, which can easily lead to insufficient processing accuracy during processing. At the same time, the fixing and disassembly of the workpiece requires a lot of time, which not only increases the workload of workers but also reduces processing efficiency.

[0004] Therefore, the utility model proposes an adjustable indexing chuck to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable indexing chuck to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable indexing chuck, the adjustable indexing chuck comprising: an indexing chuck body, side blocks are fixed on both upper and lower sides of the indexing chuck body, a first linear bearing rod and a second linear bearing rod are respectively fixed between the side blocks on the left and right sides, a first support column is fixed on the upper surface of the indexing chuck body, the upper end of the first support column is fixedly connected to a base, a driving motor is installed on the base, a second support column is fixed on the lower surface of the indexing chuck body, and the end face of the second support column is fixedly connected to the bottom ring;

[0007] A first connecting plate is fixedly connected to a first clamping plate, a second connecting plate is fixedly connected to a second clamping plate, a transmission rod is arranged in the middle of the first connecting plate and the second connecting plate, and a partition block is fixed in the middle of the transmission rod.

[0008] Preferably, a plurality of the first support columns are provided, and the plurality of first support columns are distributed in a circular shape on the upper surface of the indexing chuck body, and the driving motor is fixedly connected to the base by bolts.

[0009] Preferably, a plurality of second support columns are provided, and the plurality of second support columns are distributed in a circular shape on the lower surface of the dividing chuck body. The lower end of the dividing chuck body is fixedly connected to the mounting plate. A mounting threaded hole is provided on the surface of the mounting plate. A plurality of mounting threaded holes are provided, and the plurality of mounting threaded holes are evenly distributed on the surface of the mounting plate.

[0010] Preferably, one end of the transmission rod is connected to the output end of the driving motor through a coupling, the other end of the transmission rod is connected to the bottom ring through a bearing, and the transmission rod is rotatably connected to the indexing chuck body.

[0011] Preferably, two ends of the first connecting plate are respectively slidably connected to the first linear bearing rod and the second linear bearing rod, and two ends of the second connecting plate are respectively slidably connected to the first linear bearing rod and the second linear bearing rod.

[0012] Preferably, the first linear bearing rod and the second linear bearing rod are symmetrically distributed about the transmission rod.

[0013] Preferably, a first internal thread is provided on the surface of the first connecting plate, a second internal thread is provided on the surface of the second connecting plate, a first external thread and a second external thread are provided on the surface of the transmission rod, the first external thread is located above the dividing block, the second external thread is located below the dividing block, the first external thread and the second external thread have opposite thread rotation directions, the first external thread and the first internal thread are matched with each other, and the second external thread and the second internal thread are matched with each other.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The adjustable indexing chuck proposed in the utility model cooperates with the internal threads on the first connecting plate and the second connecting plate with the external threads on the transmission rod, and the rotation direction design of the external threads enables the first connecting plate and the second connecting plate to move relatively, thereby adjusting the distance between the first clamping plate and the second clamping plate to achieve adaptability to clamping workpieces of different sizes. The driving motor is connected to the transmission rod through a coupling. When the driving motor is working, it can drive the transmission rod to rotate, thereby achieving accurate angular positioning and indexing action of the indexing chuck body, meeting the needs of repeated positioning of the workpiece during precision machining or assembly. The upper and lower sides of the indexing chuck body are connected by side blocks, a first linear bearing rod, a second linear bearing rod, a first support column, The second support column, the base, the bottom ring and other components form a stable support structure. The first support column and the second support column are respectively distributed in a circle on the upper and lower surfaces of the dividing chuck body, which enhances the overall rigidity and load-bearing capacity of the chuck, ensures stability during operation, and prevents deformation or precision loss due to uneven force. A plurality of evenly distributed mounting threaded holes are provided on the mounting plate, which facilitates the rapid and secure installation of the entire dividing chuck on the corresponding equipment or workbench. This avoids the problem that most of the existing chucks are adjusted manually, the manual adjustment is not firm enough, and it is easy to cause insufficient processing precision during processing. At the same time, the fixing and disassembly of the workpiece requires a lot of time, which not only increases the workload of workers but also reduces the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the utility model.

[0020] In the figure: 1, mounting plate; 2, mounting threaded hole; 3, indexing chuck body; 4, first connecting plate; 5, first linear bearing rod; 6, second connecting plate; 7, separator; 8, second clamping plate; 9, first clamping plate;

[0021] 10. Side block; 11. First support column; 12. Base; 13. Drive motor; 14. Second support column;

[0022] 15. Bottom ring; 16. Second linear bearing rod; 17. Transmission rod; 18. First internal thread; 19. Second internal thread; 20. Second external thread; 21. First external thread. DETAILED DESCRIPTION

[0023] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1-Figure 4 The utility model provides a technical solution: an adjustable indexing chuck, the adjustable indexing chuck comprising: an indexing chuck body 3, side blocks 10 are fixed on both upper and lower sides of the indexing chuck body 3, a first linear bearing rod 5 and a second linear bearing rod 16 are respectively fixed between the side blocks 10 on the left and right sides, a first support column 11 is fixed on the upper surface of the indexing chuck body 3, the upper end of the first support column 11 is fixedly connected to a base 12, a driving motor 13 is installed on the base 12, a second support column 14 is fixed on the lower surface of the indexing chuck body 3, and the end face of the second support column 14 is fixedly connected to a bottom ring 15;

[0026] A first connecting plate 4, a first clamping plate 9 is fixedly connected to the first connecting plate 4, a second clamping plate 8 is fixedly connected to the second connecting plate 6, a transmission rod 17 is arranged in the middle of the first connecting plate 4 and the second connecting plate 6, a partition block 7 is fixed in the middle of the transmission rod 17, a first internal thread 18 is provided on the surface of the first connecting plate 4, a second internal thread 19 is provided on the surface of the second connecting plate 6, a first external thread 21 and a second external thread 20 are provided on the surface of the transmission rod 17, the first external thread 21 is located above the partition block 7, the second external thread 20 is located below the partition block 7, the first external thread 21 and the second external thread 20 have opposite thread rotation directions, the first external thread 21 and the first internal thread 18 are adapted, and the second external thread 20 and the second internal thread 19 are adapted;

[0027] When in use, the internal threads on the first connecting plate 4 and the second connecting plate 6 cooperate with the external threads on the transmission rod 17, and the rotation direction of the external threads is designed, so that the first connecting plate 4 and the second connecting plate 6 can move relative to each other, thereby adjusting the distance between the first clamping plate 9 and the second clamping plate 8 to achieve clamping adaptability to workpieces of different sizes.

[0028] Embodiment 2

[0029] On the basis of the first embodiment, a plurality of first support columns 11 are provided, and the plurality of first support columns 11 are distributed in a circular shape on the upper surface of the indexing chuck body 3, the driving motor 13 is fixedly connected to the base 12 by bolts, the two ends of the first connecting plate 4 are respectively slidably connected to the first linear bearing rod 5 and the second linear bearing rod 16, the two ends of the second connecting plate 6 are respectively slidably connected to the first linear bearing rod 5 and the second linear bearing rod 16, and the first linear bearing rod 5 and the second linear bearing rod 16 are symmetrically distributed about the transmission rod 17;

[0030] A plurality of second support columns 14 are provided, and the plurality of second support columns 14 are distributed in a circular shape on the lower surface of the indexing chuck body 3. The lower end of the indexing chuck body 3 is fixedly connected to the mounting plate 1. The surface of the mounting plate 1 is provided with mounting threaded holes 2. The plurality of mounting threaded holes 2 are provided, and the plurality of mounting threaded holes 2 are evenly distributed on the surface of the mounting plate 1.

[0031] When in use, the upper and lower sides of the indexing chuck body 3 form a stable supporting structure through the side blocks 10, the first linear bearing rod 5, the second linear bearing rod 16, the first support column 11, the second support column 14, the base 12 and the bottom ring 15. The first support column 11 and the second support column 14 are respectively distributed in a circular shape on the upper and lower surfaces of the indexing chuck body 3, which enhances the overall rigidity and bearing capacity of the chuck, ensures stability during operation, and prevents deformation or precision loss due to uneven force. A plurality of evenly distributed mounting threaded holes 2 are provided on the mounting plate 1, which facilitates the rapid and secure installation of the entire indexing chuck on the corresponding equipment or workbench.

[0032] Embodiment 3

[0033] On the basis of the second embodiment, one end of the transmission rod 17 is connected to the output end of the driving motor 13 through a coupling, and the other end of the transmission rod 17 is connected to the bottom ring 15 through a bearing, and the transmission rod 17 is rotatably connected to the indexing chuck body 3;

[0034] When in use, the drive motor 13 is connected to the transmission rod 17 through a coupling. When the drive motor 13 is working, it can drive the transmission rod 17 to rotate, thereby realizing precise angular positioning and indexing action of the indexing chuck body 3, meeting the needs of repeated positioning of the workpiece during precision machining or assembly.

[0035] In actual use, the first connecting plate 4 and the second connecting plate 6 are matched with the external threads on the transmission rod 17, and the rotation direction of the external threads is designed, so that the first connecting plate 4 and the second connecting plate 6 can move relative to each other, thereby adjusting the distance between the first clamping plate 9 and the second clamping plate 8 to achieve the clamping adaptability to workpieces of different sizes. The upper and lower sides of the indexing chuck body 3 form a stable supporting structure through the side blocks 10, the first linear bearing rod 5, the second linear bearing rod 16, the first support column 11, the second support column 14, the base 12 and the bottom ring 15. The first support column 11 and the second support column 14 are connected to each other. The upper and lower surfaces of the indexing chuck body 3 are distributed in a circular shape, which enhances the overall rigidity and load-bearing capacity of the chuck, ensures stability during operation, and prevents deformation or precision loss due to uneven force. A plurality of evenly distributed mounting threaded holes 2 are provided on the mounting plate 1, which facilitates the rapid and secure installation of the entire indexing chuck on the corresponding equipment or workbench. This avoids the problem that most of the existing chucks are adjusted manually, the manual adjustment is not firm enough, and it is easy to cause insufficient processing accuracy during processing. At the same time, the fixing and disassembly of the workpiece requires a lot of time, which not only increases the workload of the workers but also reduces the processing efficiency.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable indexing chuck, characterized in that: The adjustable indexing chuck comprises: an indexing chuck body (3), side blocks (10) are fixed on both upper and lower sides of the indexing chuck body (3), a first linear bearing rod (5) and a second linear bearing rod (16) are respectively fixed between the left and right side blocks (10), a first support column (11) is fixed on the upper surface of the indexing chuck body (3), the upper end of the first support column (11) is fixedly connected to a base (12), a driving motor (13) is installed on the base (12), a second support column (14) is fixed on the lower surface of the indexing chuck body (3), and the end surface of the second support column (14) is fixedly connected to a bottom ring (15); A first connecting plate (4) is fixedly connected to a first clamping plate (9), and a second connecting plate (6) is fixedly connected to a second clamping plate (8). A transmission rod (17) is arranged in the middle of the first connecting plate (4) and the second connecting plate (6), and a partition block (7) is fixed in the middle of the transmission rod (17).

2. An adjustable indexing chuck according to claim 1, characterized in that: A plurality of the first support columns (11) are provided, and the plurality of first support columns (11) are distributed in a circular shape on the upper surface of the indexing chuck body (3), and the drive motor (13) is fixedly connected to the base (12) by bolts.

3. The adjustable indexing chuck according to claim 1, characterized in that: A plurality of the second support columns (14) are provided, and the plurality of second support columns (14) are distributed in a circular shape on the lower surface of the indexing chuck body (3); the lower end of the indexing chuck body (3) is fixedly connected to the mounting plate (1); a mounting threaded hole (2) is provided on the surface of the mounting plate (1); a plurality of the mounting threaded holes (2) are provided, and the plurality of the mounting threaded holes (2) are evenly distributed on the surface of the mounting plate (1).

4. The adjustable indexing chuck according to claim 1, characterized in that: One end of the transmission rod (17) is connected to the output end of the driving motor (13) through a coupling, the other end of the transmission rod (17) is connected to the bottom ring (15) through a bearing, and the transmission rod (17) is rotatably connected to the indexing chuck body (3).

5. The adjustable indexing chuck according to claim 1, characterized in that: The two ends of the first connecting plate (4) are respectively slidably connected to the first linear bearing rod (5) and the second linear bearing rod (16), and the two ends of the second connecting plate (6) are respectively slidably connected to the first linear bearing rod (5) and the second linear bearing rod (16).

6. The adjustable indexing chuck according to claim 1, characterized in that: The first linear bearing rod (5) and the second linear bearing rod (16) are symmetrically distributed with respect to the transmission rod (17).

7. The adjustable indexing chuck according to claim 1, characterized in that: The surface of the first connecting plate (4) is provided with a first internal thread (18), the surface of the second connecting plate (6) is provided with a second internal thread (19), the surface of the transmission rod (17) is provided with a first external thread (21) and a second external thread (20), the first external thread (21) is located above the partition block (7), the second external thread (20) is located below the partition block (7), the first external thread (21) and the second external thread (20) have opposite thread rotation directions, the first external thread (21) and the first internal thread (18) are matched, and the second external thread (20) and the second internal thread (19) are matched.

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