Rapid clamping fixture for milling

Abstract

The utility model discloses a quick clamping fixture for milling, which relates to the technical field of milling fixtures, and specifically comprises a fixed table, the upper surface of the fixed table is fixedly connected with a fixed fixture, the fixed table is internally provided with a sliding groove I, the inner wall of the sliding groove I is slidably connected with a movable fixture, and the movable fixture is fixedly connected with the fixed table. Through the arrangement of the fixed clamp, the movable clamp, the fixed rod, the fixed plate and other components, when the device is used, a workpiece needing to be fixed is placed between the fixed clamp and the movable clamp, then the movable clamp is moved, and the fixed rod and the fixed plate are fixed. The fixed rod can contract towards the interiors of the fixed clamp and the movable clamp according to the shape of the workpiece, when the fixed rod cannot continue to move, the position of the movable clamp is fixed through the fixing bolt, then the fixed plate is moved downwards to fix the fixed rod, and the workpiece can also be fixed in the fixed rod. And the effect that the device can fix the special-shaped workpiece according to requirements is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of milling fixtures, in particular to a milling quick clamping fixture. Background Art

[0002] A device used to fix the object to be processed in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process can be called a fixture.

[0003] After searching, the Chinese patent with publication number CN215967520U discloses a milling quick clamping fixture, and its technical points are: the utility model discloses a milling quick clamping fixture, including a base and a pressure plate connected by multiple connecting components, the base is connected to the T-slot of the machine tool workbench through a positioning component; the bottom surface of the base forms a plurality of lower limit grooves arranged in parallel, and the top surface of the pressure plate forms a plurality of upper limit grooves arranged in parallel, and the lower limit grooves and the upper limit grooves are arranged one by one. The utility model can mill and process workpieces such as straight grooves, parallel surfaces, drill holes, and semicircular holes on the end faces. It is easy and fast to use, and is suitable for processing various shapes of workpieces and clamping multiple workpieces of the same type at one time, which greatly saves auxiliary processing time and improves work efficiency; it can be installed on all machine tools with workbenches such as drilling machines, milling machines, and boring machines.

[0004] The above scheme solves the problem of clamping the workpiece on the dividing head chuck. Only one workpiece can be clamped on the chuck for processing at a time, and the work efficiency is low. However, since the shapes of some workpieces are complex, it is difficult to fix special-shaped parts with flat surfaces on the base and the pressure plate, which causes the parts to be easily misaligned during processing and make the parts scrapped. In severe cases, the milling machine tool may also be cracked and damaged. Not only is the part damage rate high, the production cost will increase, and the replacement of the damaged tool will also waste a lot of time.

[0005] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0006] In view of the above background technology, the existing technology has the following problems: due to the complex shape of some workpieces, it is difficult to fix special-shaped parts with flat bases and pressure plates, which leads to the parts being easily misaligned during processing and causing the parts to be scrapped. In severe cases, the milling machine tool may also be cracked and damaged. Not only is the part damage rate high, the production cost will increase, but also a lot of time will be wasted when the tool is damaged and replaced.

[0007] The utility model discloses a milling quick clamping fixture, comprising a fixed table, the upper surface of the fixed table is fixedly connected to a fixed clamp, the interior of the fixed table is provided with a sliding groove 1, the inner wall of the sliding groove 1 is slidably connected to a movable clamp, the bottom surface of the movable clamp is threadedly connected with a fixing bolt, the interiors of the fixed clamp and the movable clamp are both provided with sliding grooves 2 arranged at equal distances, the inner wall of each sliding groove 2 is slidably connected to a baffle 1, the interior of each of the fixed clamp and the movable clamp is plugged with a fixing rod arranged at equal distances, the outer surface of each fixing rod is fixedly connected to the corresponding baffle 1, the interiors of the fixed clamp and the movable clamp are both slidably connected to a fixing plate, and the interior of each of the fixed plates is provided with arc-shaped slots arranged at equal distances.

[0008] Furthermore, each of the fixing rods is provided with a sliding groove three inside, and the inner wall of each of the sliding grooves three is slidably connected with a baffle two.

[0009] Furthermore, one end of each baffle plate 2 away from the corresponding fixed rod is fixedly connected to a connecting rod, the outer surface of each connecting rod is plugged into the corresponding baffle plate 1, and one end of each connecting rod away from the corresponding fixed rod is fixedly connected to the inner wall of the corresponding sliding groove 2.

[0010] Furthermore, a spring is provided on the outer surface of each connecting rod, one end of each spring close to the corresponding fixed rod is fixedly connected to baffle 1, and one end of each spring away from the corresponding fixed rod is fixedly connected to sliding groove 2.

[0011] Furthermore, two fixing columns 1 are fixedly connected to the right side surface of the fixing fixture, and the outer surface of each of the fixing columns 1 is slidably connected to the movable fixture.

[0012] Furthermore, a connection block is fixedly connected to the front and back sides of each of the fixing plates, and a connection hole is provided inside each of the connection blocks.

[0013] Furthermore, the front and back sides of the fixed clamp and the movable clamp are fixedly connected with fixed rings, each of the fixed rings is inserted with a second fixed column inside, each of the second fixed columns is fixedly connected with a fixed block at one end close to the corresponding connecting block, and the shape of each of the fixed blocks is the same as the shape of the corresponding connecting hole.

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

[0015] 1. The utility model is provided with components such as a fixed clamp, a movable clamp, a fixed rod and a fixed plate. When using the device, firstly, the workpiece to be fixed is placed between the fixed clamp and the movable clamp, and then the movable clamp is moved. The fixed rod will shrink toward the inside of the fixed clamp and the movable clamp according to the shape of the workpiece. When the fixed rod can no longer move, the position of the movable clamp is fixed by a fixing bolt, and then the fixing plate is moved downward to fix the fixed rod, and the workpiece will also be fixed in the fixed rod, so that the device can fix special-shaped workpieces according to needs.

[0016] 2. The utility model is provided with components such as a connecting block, a connecting hole, a fixing column and a fixing block. When the device is used, when the fixing plate moves downward, the connecting block will be driven to move downward together. When the arc groove fixes the fixing rod, the fixing hole on the connecting block will be parallel to the fixing block. At this time, the second fixing column is moved to drive the fixing block to pass through the fixing hole, and then the fixing block is driven to rotate by rotating the second fixing column, so that the fixing block and the connecting hole are misaligned. At this time, the connecting block will be fixed and cannot move upward, and the fixing plate will also be fixed, so that the device can fix the fixing plate according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the fixing fixture of the utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of the fixing rod of the utility model;

[0023] Figure 6 It is a structural schematic diagram of the fixing plate of the utility model.

[0024] In the figure: 1, fixed platform; 2, fixed fixture; 3, sliding groove 1; 4, moving fixture; 5, sliding groove 2; 6, fixed rod; 7, baffle 1; 8, fixed plate; 9, arc-shaped slot; 10, sliding groove 3; 11, connecting rod; 12, spring; 13, baffle 2; 14, fixed column 1; 15, connecting block; 16, connecting hole; 17, fixed ring; 18, fixed column 2; 19, fixed block; 20, fixing bolt. DETAILED DESCRIPTION

[0025] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0026] See also Figure 1-Figure 6 The utility model is a milling quick clamping fixture, comprising a fixed table 1, the upper surface of the fixed table 1 is fixedly connected with a fixed fixture 2, the interior of the fixed table 1 is provided with a sliding groove 3, the inner wall of the sliding groove 3 is slidably connected with a mobile fixture 4, the bottom surface of the mobile fixture 4 is threadedly connected with a fixing bolt 20, the interiors of the fixed fixture 2 and the mobile fixture 4 are provided with sliding grooves 5 arranged at equal distances, the inner wall of each sliding groove 5 is slidably connected with a baffle 7, each of the fixed fixtures 2 and the mobile fixture 4 is plugged with a fixed rod 6 arranged at equal distances, the outer surface of each fixed rod 6 is fixedly connected to the corresponding baffle 7, the fixed fixture 2 and the mobile fixture 4 are fixedly connected with each other, and the fixed fixture 2 and the mobile fixture 4 are fixedly connected with each other. The movable clamp 4 is slidably connected to a fixed plate 8, and each fixed plate 8 is provided with arc-shaped slots 9 arranged at equal distances. When using the device, the workpiece to be fixed is first placed between the fixed clamp 2 and the movable clamp 4, and then the movable clamp 4 is moved. The fixed rod 6 will shrink into the fixed clamp 2 and the movable clamp 4 according to the shape of the workpiece. When the fixed rod 6 can no longer move, the position of the movable clamp 4 is fixed by the fixing bolt 20, and then the fixed plate 8 is moved downward to fix the fixed rod 6, and the workpiece will also be fixed in the fixed rod 6, so that the device can fix special-shaped workpieces as needed.

[0027] See also Figure 5 A sliding groove three 10 is provided inside each fixed rod 6, and a baffle two 13 is slidably connected to the inner wall of each sliding groove three 10. The sliding groove three 10 can facilitate the baffle two 13 to move inside the fixed rod 6, and the baffle two 13 can facilitate the connection rod 11 to move inside the fixed rod 6.

[0028] See also Figure 4 and Figure 5 One end of each baffle plate 13 away from the corresponding fixed rod 6 is fixedly connected with a connecting rod 11, and the outer surface of each connecting rod 11 is plugged into the corresponding baffle plate 1 7, and one end of each connecting rod 11 away from the corresponding fixed rod 6 is fixedly connected to the inner wall of the corresponding sliding groove 2 5. The setting of the connecting rod 11 can prevent the spring 12 from bending, and the connecting rod 11 can be conveniently fixed by plugging it into the baffle plate 1 7 and fixing it with the inner wall of the sliding groove 2 5.

[0029] See also Figure 4 A spring 12 is provided on the outer surface of each connecting rod 11, and one end of each spring 12 close to the corresponding fixed rod 6 is fixedly connected to the baffle 1 7, and one end of each spring 12 away from the corresponding fixed rod 6 is fixedly connected to the sliding groove 2 5. The set spring 12 can conveniently control the fixed rod 6 to reset, and the connection between the spring 12, the baffle 1 7 and the sliding groove 2 5 can facilitate the installation of the spring 12.

[0030] See also Figure 1 and Figure 3 Two fixing columns 14 are fixedly connected to the right side of the fixing fixture 2, and the outer surface of each fixing column 14 is slidably connected to the movable fixture 4. The connection between the fixing column 14 and the fixing fixture 2 can facilitate the fixing of the fixing column 14, and the sliding connection between the fixing column 14 and the movable fixture 4 can facilitate the control of the movable fixture 4 to move in parallel.

[0031] See also Figure 6 The front and back sides of each fixing plate 8 are fixedly connected with a connecting block 15, and a connecting hole 16 is opened inside each connecting block 15. By setting the connecting block 15, the position of the fixing plate 8 can be conveniently controlled for fixing, and the opening of the connecting hole 16 can be conveniently connected to the fixing block 19.

[0032] See also Figure 2 and Figure 3 The front and back sides of the fixed fixture 2 and the movable fixture 4 are fixedly connected with a fixing ring 17, and a fixing column 18 is inserted into the interior of each fixing ring 17. A fixing block 19 is fixedly connected to one end of each fixing column 18 close to the corresponding connecting block 15. The shape of each fixing block 19 is the same as the shape of the corresponding connecting hole 16. The fixing ring 17 can facilitate the installation of the fixing column 18, and the fixing column 18 can facilitate the installation of the fixing block 19. The fixing block 19 can pass through the connecting hole 16 to control the fixing of the connecting block 15.

[0033] When the movable clamp 4 is in the state of being moved, the movable clamp 4 is moved to the fixed clamp 2 and the movable clamp 4 is moved to the fixed clamp 2.

[0034] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A milling quick clamping fixture, comprising a fixing table (1), characterized in that: The upper surface of the fixed platform (1) is fixedly connected to a fixed fixture (2), a sliding groove (3) is provided inside the fixed platform (1), a movable fixture (4) is slidably connected to the inner wall of the sliding groove (3), a fixing bolt (20) is threadedly connected to the bottom surface of the movable fixture (4), the fixed fixture (2) and the movable fixture (4) are both provided with sliding grooves (5) arranged at equal distances inside, the inner wall of each sliding groove (5) is slidably connected to a baffle plate (7), each of the fixed fixture (2) and the movable fixture (4) is plugged with a fixed rod (6) arranged at equal distances inside, the outer surface of each fixed rod (6) is fixedly connected to the corresponding baffle plate (7), the fixed fixture (2) and the movable fixture (4) are both slidably connected to a fixed plate (8), and each of the fixed plates (8) is provided with an arc-shaped slot (9) arranged at equal distances inside.

2. The milling quick clamping fixture according to claim 1, characterized in that: Each of the fixing rods (6) is provided with a sliding groove three (10) inside, and the inner wall of each of the sliding groove three (10) is slidably connected with a baffle two (13).

3. The milling quick clamping fixture according to claim 2, characterized in that: One end of each baffle plate 2 (13) away from the corresponding fixed rod (6) is fixedly connected to a connecting rod (11), the outer surface of each connecting rod (11) is plugged into the corresponding baffle plate 1 (7), and one end of each connecting rod (11) away from the corresponding fixed rod (6) is fixedly connected to the inner wall of the corresponding sliding groove 2 (5).

4. The milling quick clamping fixture according to claim 3, characterized in that: A spring (12) is provided on the outer surface of each connecting rod (11); one end of each spring (12) close to the corresponding fixed rod (6) is fixedly connected to baffle plate 1 (7); and one end of each spring (12) away from the corresponding fixed rod (6) is fixedly connected to sliding groove 2 (5).

5. The milling quick clamping fixture according to claim 1, characterized in that: Two fixing columns (14) are fixedly connected to the right side surface of the fixing fixture (2), and the outer surface of each fixing column (14) is slidably connected to the movable fixture (4).

6. The milling quick clamping fixture according to claim 1, characterized in that: A connection block (15) is fixedly connected to the front and back sides of each of the fixing plates (8), and a connection hole (16) is provided inside each of the connection blocks (15).

7. The milling quick clamping fixture according to claim 6, characterized in that: The front and back sides of the fixed clamp (2) and the movable clamp (4) are fixedly connected with a fixing ring (17), and each of the fixing rings (17) is inserted with a fixing column (18) inside, and each of the fixing columns (18) is fixedly connected with a fixing block (19) at one end close to the corresponding connecting block (15), and the shape of each fixing block (19) is the same as the shape of the corresponding connecting hole (16).

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