Auxiliary supporting tool clamp for shaft machining

Abstract

The utility model discloses an auxiliary supporting tool clamp for shaft machining, which belongs to the technical field of tool clamps and comprises a bottom plate, a spindle end center fixedly connected to the outer surface of a supporting frame, a machine core clamp fixedly connected to the outer surface of the spindle end center, and a fixing seat fixedly connected to the top of a tailstock body. A workpiece is arranged on the side, tending to the fixing base, of the spindle end tip, a bridge plate is fixedly connected to the bottom of the fixing base, a connecting frame is arranged above the bridge plate, and a distance adjusting assembly is arranged on the outer surface of the bridge plate. Under the cooperation of a rectangular groove and a sliding block, the tailstock body pushes a two-way threaded rod on a fixing base to tightly abut against a workpiece, and rotating locking is conducted, so that a connecting column pushes a connecting frame, bearings in two supporting bases on the connecting frame make contact with the outer circle of the workpiece, and the auxiliary supporting effect is achieved; and the locking nuts are rotated, so that the connecting columns are placed in different through holes in the positions of the bridge plate, and the problem that automatic clamping is difficult is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, and more specifically to an auxiliary supporting tooling fixture for shaft processing. Background Art

[0002] Auxiliary support fixtures are fixtures used to assist in supporting workpieces during machining. Their main function is to fix the workpiece to improve machining accuracy and quality. In machining, fixtures are one of the most important tools. Their main function is to fix the workpiece for easy machining. However, in some cases, fixtures alone cannot meet the requirements, and the auxiliary support function of fixtures is needed to ensure machining accuracy and quality.

[0003] The publication number of the prior art is CN213827958U. The auxiliary clamp for the machine tool comprises a base plate and a support plate, a rotating shaft is connected to the support plate through a bearing, a workpiece clamp is connected to the front end of the rotating shaft, a groove ring is provided on the back side of the support plate, a limit plate is provided for sliding in the axial direction of the rotating shaft, a limit claw is provided in front of the limit plate, the front end of the limit claw is located in the groove ring, a limit nut is provided behind the limit plate, the limit nut and the rotating shaft are connected by a thread, and the workpiece clamp holding the workpiece is connected to the auxiliary clamp through the auxiliary clamp. When the machining surface of the workpiece needs to be replaced, at this time, only the limit nut on the auxiliary clamp needs to be loosened, so that the workpiece clamp can be directly rotated, thereby changing the machining surface of the workpiece. The whole process is simple and convenient to operate, and the switching of the machining surface of the workpiece can be completed quickly, which not only improves the efficiency of workpiece machining, but also reduces the machining accuracy error.

[0004] Although the device has many beneficial effects, the following problems still exist: although the auxiliary fixture used for the machine tool can reduce the precision error of processing, it is difficult to automatically clamp the parts and has high precision requirements. Utility Model Content

[0005] Technical issues solved

[0006] In view of the deficiencies in the prior art, the utility model provides an auxiliary support fixture for shaft processing, which solves the above-mentioned problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an auxiliary support fixture for shaft processing, comprising a base plate, a support frame fixedly connected to the top of the base plate, a spindle end tip fixedly connected to the outer surface of the support frame, a core clamp fixedly connected to the outer surface of the spindle end tip, a tailstock body is provided on the top of the base plate, a fixed seat is fixedly connected to the top of the tailstock body, a workpiece is provided on the side where the spindle end tip and the fixed seat are close to each other, the workpiece and the core clamp are sleeved, a bridge plate is fixedly connected to the bottom of the fixed seat, a reinforcing rib is fixedly connected to the intersection of the fixed seat and the bridge plate, a connecting frame is provided above the bridge plate, a spacing adjustment component is provided on the outer surface of the bridge plate, the spacing adjustment component comprises a connecting column and a through hole, a plurality of equidistant through holes are opened on the top of the bridge plate, and the connecting column is movably connected inside the through hole.

[0009] Preferably, the connecting column is located above the bridge plate and has a spring fixedly wound on its outer surface, the connecting column is located below the bridge plate and is threadedly connected to a locking nut, and the top of the connecting column is fixedly connected to the bottom of the connecting frame.

[0010] Preferably, a motor is fixedly mounted on the outer surface of the connecting frame, a bidirectional threaded rod is fixedly connected to the output end of the motor, a mounting groove is opened on the top of the connecting frame, and the bidirectional threaded rod is located inside the mounting groove.

[0011] Preferably, the outer surface of the bidirectional threaded rod is threadedly connected to two moving blocks, the two moving blocks are symmetrically distributed, and the tops of the two moving blocks are fixedly connected to support seats.

[0012] Preferably, the two support seats are arranged in a C-shaped structure, and bearings are rotatably connected inside the two support seats.

[0013] Preferably, a rectangular groove is provided on the top of the base plate, a slider is slidably connected to the inside of the rectangular groove, the top of the slider is fixedly connected to the bottom of the tailstock body, a pushing cylinder is fixedly installed on the outer surface of the base plate, and the output end of the pushing cylinder is fixedly connected to the outer surface of the tailstock body.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a shaft processing auxiliary support fixture, which has the following beneficial effects:

[0016] This kind of shaft processing auxiliary support fixture uses a spacing adjustment component to push the cylinder to push the tailstock body, and with the cooperation of the rectangular groove and the slider, the tailstock body pushes the two-way threaded rod on the fixed seat to tighten the workpiece, and the locking nut is turned to squeeze the spring, so that the connecting column pushes the connecting frame, and the bearings in the two support seats on the connecting frame contact the outer circle of the workpiece to play an auxiliary support role. When the position of the support needs to be adjusted, the locking nut is turned to put the connecting column into different through holes on the bridge plate, which can solve the problem of difficult automated clamping.

[0017] The auxiliary support fixture for shaft processing starts a motor, and the motor drives the bidirectional threaded rod to rotate, thereby driving the two moving blocks to move towards each other, and then the positions of the two support seats on the connecting frame can be adjusted, so that workpieces of different sizes can be supported, which can solve the problem of high precision requirements. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 The utility model structure Figure 1 A magnified view of the structure at center;

[0020] Figure 3 This is a side view of the structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the connecting frame of the utility model.

[0022] In the figure: 1. Base plate; 2. Tail stock body; 3. Fixed seat; 4. Spindle end center; 5. Movement clamp; 6. Workpiece; 7. Bridge plate; 8. Reinforcing ribs; 9. Push cylinder; 10. Rectangular groove; 11. Connecting frame; 12. Motor; 13. Locking nut; 14. Connecting column; 15. Spring; 16. Through hole; 17. Support seat; 18. Bearing; 19. Bidirectional threaded rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] See also Figure 1-4 , the utility model provides a technical solution:

[0025] A shaft processing auxiliary support fixture, comprising a base plate 1, a support frame is fixedly connected to the top of the base plate 1, a spindle end top 4 is fixedly connected to the outer surface of the support frame, a core clamp 5 is fixedly connected to the outer surface of the spindle end top 4, a tailstock body 2 is provided on the top of the base plate 1, a fixed seat 3 is fixedly connected to the top of the tailstock body 2, a workpiece 6 is provided on the side where the spindle end top 4 and the fixed seat 3 are close to each other, the workpiece 6 is sleeved with the core clamp 5, a bridge plate 7 is fixedly connected to the bottom of the fixed seat 3, and the intersection of the fixed seat 3 and the bridge plate 7 A reinforcing rib 8 is fixedly connected, a connecting frame 11 is provided above the bridge plate 7, a spacing adjustment component is provided on the outer surface of the bridge plate 7, the spacing adjustment component includes a connecting column 14 and a through hole 16, a plurality of evenly distributed through holes 16 are opened on the top of the bridge plate 7, the connecting column 14 is movably connected inside the through hole 16, and the locking nut 13 is rotated to squeeze the spring 15, so that the connecting column 14 pushes the connecting frame 11, and the bearings 18 in the two support seats 17 on the connecting frame 11 contact the outer circle of the workpiece 6 to play an auxiliary supporting role.

[0026] Furthermore, the connecting column 14 is located above the bridge plate 7 and has a spring 15 fixedly wound on its outer surface. The connecting column 14 is located below the bridge plate 7 and is threadedly connected to a locking nut 13. The top of the connecting column 14 is fixedly connected to the bottom of the connecting frame 11. The locking nut 13 is rotated to place the connecting column 14 into different through holes 16 at different positions on the bridge plate 7.

[0027] Furthermore, a motor 12 is fixedly mounted on the outer surface of the connecting frame 11, and a bidirectional threaded rod 19 is fixedly connected to the output end of the motor 12. A mounting groove is opened on the top of the connecting frame 11, and the bidirectional threaded rod 19 is located inside the mounting groove. The motor 12 drives the bidirectional threaded rod 19 to rotate.

[0028] Furthermore, the outer surface of the bidirectional threaded rod 19 is threadedly connected to two moving blocks, and the two moving blocks are symmetrically distributed. The tops of the two moving blocks are fixedly connected to a support seat 17. The motor 12 drives the bidirectional threaded rod 19 to rotate, thereby driving the two moving blocks to move towards each other, and then the positions of the two support seats 17 on the connecting frame 11 can be adjusted, so that workpieces 6 of different sizes can be supported.

[0029] Furthermore, the two support seats 17 are arranged in a C-shaped structure, and the interiors of the two support seats 17 are rotatably connected with bearings 18. The bearings 18 in the two support seats 17 on the connecting frame 11 thus contact the outer circle of the workpiece 6 to play an auxiliary supporting role.

[0030] Furthermore, a rectangular groove 10 is opened on the top of the base plate 1, and a slider is slidably connected inside the rectangular groove 10. The top of the slider is fixedly connected to the bottom of the tailstock body 2. A pushing cylinder 9 is fixedly installed on the outer surface of the base plate 1. The output end of the pushing cylinder 9 is fixedly connected to the outer surface of the tailstock body 2. The pushing cylinder 9 pushes the tailstock body 2. With the cooperation of the rectangular groove 10 and the slider, the tailstock body 2 pushes the bidirectional threaded rod 19 on the fixed seat 3 to tighten the workpiece 6.

[0031] Working principle: When the staff needs to use the auxiliary support fixture for shaft processing, first install one end of the workpiece 6 into the center of the spindle end top 4, and align the other end with the bidirectional threaded rod 19. The workpiece 6 is inserted into the movement clamp 5 to provide stable support. Start the push cylinder 9, and the push cylinder 9 pushes the tailstock body 2. With the cooperation of the rectangular groove 10 and the slider, the tailstock body 2 pushes the bidirectional threaded rod 19 on the fixed seat 3 to tighten the workpiece 6. Turn the locking nut 13 to squeeze the spring 15, so that the connecting column 14 pushes the connecting frame 11, and the two supports on the connecting frame 11 The bearing 18 in the seat 17 contacts the outer circle of the workpiece 6, playing an auxiliary supporting role. When the support position needs to be adjusted, the locking nut 13 is rotated to place the connecting column 14 into different through holes 16 at the position of the bridge plate 7. The reinforcing rib 8 can strengthen the stable connection between the bridge plate 7 and the fixed seat 3. When the sizes of the workpieces 6 are different, the motor 12 can be started. The motor 12 drives the bidirectional threaded rod 19 to rotate, thereby driving the two moving blocks to move towards each other, and then the positions of the two support seats 17 on the connecting frame 11 can be adjusted, so that workpieces 6 of different sizes can be supported.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A shaft processing auxiliary support fixture, comprising a base plate (1), the top of the base plate (1) is fixedly connected to a support frame, the outer surface of the support frame is fixedly connected to a spindle end top (4), the outer surface of the spindle end top (4) is fixedly connected to a core clamp (5), a tailstock body (2) is provided on the top of the base plate (1), a fixed seat (3) is fixedly connected to the top of the tailstock body (2), a workpiece (6) is provided on the side where the spindle end top (4) and the fixed seat (3) are close to each other, and the workpiece (6) is sleeved with the core clamp (5), characterized in that: The bottom of the fixing seat (3) is fixedly connected to a bridge plate (7), the intersection of the fixing seat (3) and the bridge plate (7) is fixedly connected to a reinforcing rib (8), a connecting frame (11) is provided above the bridge plate (7), the outer surface of the bridge plate (7) is provided with a spacing adjustment component, the spacing adjustment component includes a connecting column (14) and a through hole (16), a plurality of equidistantly distributed through holes (16) are opened on the top of the bridge plate (7), and the interior of the through hole (16) is movably connected to a connecting column (14).

2. The auxiliary support fixture for shaft processing according to claim 1, characterized in that: The connecting column (14) is located above the bridge plate (7) and has a spring (15) fixedly wound on its outer surface. The connecting column (14) is located below the bridge plate (7) and has a locking nut (13) threadedly connected thereto. The top of the connecting column (14) is fixedly connected to the bottom of the connecting frame (11).

3. The auxiliary support fixture for shaft processing according to claim 1, characterized in that: A motor (12) is fixedly mounted on the outer surface of the connecting frame (11), a bidirectional threaded rod (19) is fixedly connected to the output end of the motor (12), a mounting groove is provided on the top of the connecting frame (11), and the bidirectional threaded rod (19) is located inside the mounting groove.

4. The auxiliary support fixture for shaft machining according to claim 3, characterized in that: The outer surface of the bidirectional threaded rod (19) is threadedly connected to two moving blocks, the two moving blocks are symmetrically distributed, and the tops of the two moving blocks are fixedly connected to a support seat (17).

5. The auxiliary support fixture for shaft processing according to claim 4, characterized in that: The two support seats (17) are arranged in a C-shaped structure, and the interiors of the two support seats (17) are both rotatably connected with bearings (18).

6. The auxiliary support fixture for shaft processing according to claim 1, characterized in that: A rectangular groove (10) is formed at the top of the bottom plate (1), a slider is slidably connected to the inside of the rectangular groove (10), the top of the slider is fixedly connected to the bottom of the tailstock body (2), a pushing cylinder (9) is fixedly mounted on the outer surface of the bottom plate (1), and the output end of the pushing cylinder (9) is fixedly connected to the outer surface of the tailstock body (2).

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