Adjustable support structure for mandrel

By designing an adjustable mandrel support structure, the adjustment device and limiting mechanism can be used to achieve accurate support and positioning of mandrels of different sizes, the problems of high cost and low efficiency of traditional fixed support methods are solved, and the flexibility of the support is improved and stability meets the modern industry's demand for supporting accuracy.

CN222308791UActive Publication Date: 2025-01-07NANTONG HENGZHUN PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202421205756.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-01-07
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

The traditional mandrel support method is fixed, and cannot adapt to mandrels of different sizes, resulting in high cost and low efficiency, which cannot meet the modern industry's demand for support flexibility and accuracy.

Method used

An adjustable bracket structure including a first bracket, a second bracket, a connecting fixing frame, an adjustment device, a side support rod and a support reinforcement frame is designed, and the flexible support of the mandrel is achieved through the spring and snap ring mechanism of the adjustment device and Position and ensure the stability and firmness of the bracket through the limiting plate and bolt mechanism.

Benefits of technology

Accurate support and positioning of mandrels of different sizes is achieved, the flexibility and stability of the bracket is improved, the cost of replacing the support frame is reduced, and the processing accuracy and production efficiency are improved.

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Abstract

The utility model relates to the technical field of adjustable supports, and discloses an adjustable support structure for a mandrel, which comprises a first support, one side of the first support is fixedly connected with a second support, and the middle of the upper surface of the first support and the middle of the upper surface of the second support are fixedly connected with connecting fixing frames. The mandrel can be supported and fixed through the first support and the second support, the height of the mandrel can be conveniently adjusted through the spring at the bottom of the adjusting device, the connecting plate is connected into the connecting and fixing frame in a sleeved mode, one end of the mandrel is placed on the A clamping ring, and the other end of the mandrel is placed on the B clamping ring. The adjusting device rotates on the clamping ring A, the adjusting device can well support the central spindle in the working state, the stability of the central spindle in the working process is enhanced, meanwhile, the height is convenient to adjust, the height of the adjusting device is limited through the limiting plate, the adjusting device can reach the specified height, then the adjusting device is limited through the limiting bolt, and the optimal effect is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of adjustable brackets, in particular to an adjustable bracket structure for a core shaft. Background Art

[0002] In the machining and manufacturing industries, the mandrel is an important component used in various assembly and processing processes. The mandrel needs to be precisely supported and positioned to ensure machining accuracy and product quality. Traditional mandrel support methods are usually fixed, and different support frames need to be replaced for mandrels of different sizes, which is not only costly but also inefficient.

[0003] With the continuous development of industrial production, higher requirements are placed on the flexibility and precision of mandrel support. Therefore, an adjustable support structure for mandrels has emerged. This support structure can adapt to mandrels of different sizes. By adjusting the relationship between the knob and the sleeve, the position of the support point can be easily adjusted, thereby achieving precise support and positioning. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an adjustable support structure for a core shaft.

[0005] The utility model is implemented by the following technical scheme: an adjustable bracket structure for a mandrel, comprising a first bracket, a second bracket fixedly connected to one side of the first bracket, a connecting and fixing frame fixedly connected to the middle of the upper surface of the first bracket and the second bracket, an adjusting device fixedly connected to the inside of the connecting and fixing frame, side support rods fixedly connected to both sides of the connecting and fixing frame, and a supporting reinforcement frame fixedly connected to the middle of the inner wall of the first bracket and the second bracket;

[0006] The adjusting device comprises a base, spring seats are fixedly connected to both sides of the upper surface of the base, a spring column is fixedly connected to the upper surface of the spring seat, a spring is sleeved on the outer surface of the spring column, a connecting plate is fixedly connected to the top of the spring column, a fixing plate is fixedly connected to the upper surface of the connecting plate, and an A-ring is provided on the top of the fixing plate.

[0007] Through the above technical solution, the core shaft is supported and fixed by the first bracket and the second bracket, the adjusting device is convenient for adjusting its height through the spring at the bottom, the connecting plate is sleeved in the interior of the connecting and fixing frame, one end of the core shaft is placed on the A clamping ring and rotated on the A clamping ring. When the adjusting device is in the working state, it can support the core shaft well and enhance its stability during work.

[0008] As a further improvement of the above solution, both sides of the first bracket are provided with a card slot, and the inner wall of the card slot is provided with an A threaded hole.

[0009] Through the above technical solution, fixation is performed between the card slot and the second bracket, and the A threaded hole is provided to facilitate strengthening the subsequent fixation to make it more firm.

[0010] As a further improvement of the above solution, both sides of the second bracket are fixedly connected with a clamping plate, and the inner wall of the clamping plate is provided with a B threaded hole.

[0011] Through the above technical solution, the clamping plate and the clamping slot are clamped together and fixed through two adapted A threaded holes and B threaded holes.

[0012] As a further improvement of the above solution, the internal thread of the B threaded hole is connected with a fixing bolt, and the fixing bolt is adapted to the A threaded hole.

[0013] Through the above technical solution, the fixing bolts are inserted into the threaded holes A and B, and are tightly fixed together through the threads to prevent them from falling off during use.

[0014] As a further improvement of the above solution, the middle parts of both sides of the adjustment device are fixedly connected to limit plates, and the interior of the limit plates is fixedly connected to limit bolts.

[0015] Through the above technical solution, the height of the adjusting device is limited by the limiting plate so that it can reach the specified height, and then it is limited by the limiting bolt to achieve the optimal effect.

[0016] As a further improvement of the above solution, mounting plates are fixedly connected to both sides of the upper surface of the connecting and fixing frame, and a plurality of limiting holes are opened on the front side of the mounting plate, and the limiting holes are adapted to the limiting bolts.

[0017] According to the above technical solution, through the limiting hole provided on the mounting plate, after the adjusting device reaches the optimal height, the limiting bolt is passed through the limiting hole to fix the limiting position.

[0018] As a further improvement of the above solution, hinges A are fixedly connected to both sides of the top of the front side of the adjustment device, hinges B are fixedly connected to both sides of the hinge A, and a retaining ring B is fixedly connected to one side of the hinge B.

[0019] Through the above technical solution, the B clamping ring can be opened and closed conveniently through the A hinge and the B hinge, so as to install and fix the core shaft.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The utility model can support and fix the core shaft by arranging the first bracket and the second bracket, and the adjusting device is convenient for adjusting its height through the spring at the bottom, the connecting plate is sleeved in the interior of the connecting and fixing frame, one end of the core shaft is placed on the A clamp ring, and rotates on the A clamp ring, the adjusting device can well support the core shaft when in working state, enhance its stability during work, and facilitate the adjustment of height, the height of the adjusting device is limited by the limiting plate so that it can reach the specified height, and then it is limited by the limiting bolt to achieve the optimal effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0024] Figure 3 This is a schematic diagram of the first bracket structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the second bracket of the utility model;

[0026] Figure 5 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0027] Figure 6 This is a schematic diagram of the structure of the regulating device of the utility model.

[0028] Description of main symbols:

[0029] 1. First bracket; 2. Second bracket; 3. Connecting and fixing frame; 4. Adjusting device; 401. Base; 402. Spring seat; 403. Spring column; 404. Spring; 405. Connecting plate; 406. Fixing plate; 407. A snap ring; 5. Side support rod; 6. Slot; 7. A threaded hole; 8. Clamping plate; 9. B threaded hole; 10. Fixing bolt; 11. Limiting plate; 12. Limiting bolt; 13. Mounting plate; 14. Limiting hole; 15. A hinge; 16. B hinge; 17. B snap ring; 18. Support and reinforcement frame. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example

[0031] Please combine Figure 1-6, an adjustable bracket structure for a mandrel of the present embodiment comprises a first bracket 1, a second bracket 2 is fixedly connected to one side of the first bracket 1, a connecting and fixing frame 3 is fixedly connected to the middle of the upper surfaces of the first bracket 1 and the second bracket 2, an adjusting device 4 is fixedly connected to the inside of the connecting and fixing frame 3, side support rods 5 are fixedly connected to both sides of the connecting and fixing frame 3, and a supporting reinforcement frame 18 is fixedly connected to the middle of the inner walls of the first bracket 1 and the second bracket 2;

[0032] The adjusting device 4 comprises a base 401, both sides of the upper surface of the base 401 are fixedly connected with spring seats 402, the upper surface of the spring seat 402 is fixedly connected with a spring column 403, the outer surface of the spring column 403 is sleeved with a spring 404, the top of the spring column 403 is fixedly connected with a connecting plate 405, the upper surface of the connecting plate 405 is fixedly connected with a fixing plate 406, and the top of the fixing plate 406 is provided with an A snap ring 407. The mandrel is supported and fixed by the first bracket 1 and the second bracket 2, and the height of the adjusting device 4 is easily adjusted by the spring 404 at the bottom, the connecting plate 405 is sleeved in the interior of the connecting and fixing frame 3, one end of the mandrel is placed on the A snap ring 407, and rotates on the A snap ring 407, and the adjusting device 4 can well support the mandrel when in working state, and enhance its stability during work.

[0033] Both sides of the first bracket 1 are provided with a card slot 6, and the inner wall of the card slot 6 is provided with an A threaded hole 7. The card slot 6 is fixed to the second bracket 2, and the A threaded hole 7 is provided to facilitate the subsequent fixation and make it more firm.

[0034] Both sides of the second bracket 2 are fixedly connected with a clamping plate 8, and the inner wall of the clamping plate 8 is provided with a B threaded hole 9. The clamping plate 8 and the clamping slot 6 are clamped together and fixed through two adapted A threaded holes 7 and B threaded holes 9.

[0035] The internal thread of the B threaded hole 9 is connected with a fixing bolt 10, which is matched with the A threaded hole 7. The fixing bolt 10 is inserted into the A threaded hole 7 and the B threaded hole 9, and is tightly fixed together by the thread to prevent it from falling off during use.

[0036] The middle parts of both sides of the adjusting device 4 are fixedly connected with the limit plates 11, and the inner part of the limit plates 11 is fixedly connected with the limit bolts 12. The height of the adjusting device 4 is limited by the limit plates 11 so that it can reach a specified height, and then it is limited by the limit bolts 12 to achieve the optimal effect.

[0037] The mounting plates 13 are fixedly connected to both sides of the upper surface of the connection fixing frame 3, and a plurality of limiting holes 14 are provided on the front of the mounting plate 13, and the limiting holes 14 are adapted to the limiting bolts 12. After the adjusting device 4 reaches the optimal height through the limiting holes 14 provided on the mounting plate 13, the limiting bolts 12 are passed through the limiting holes 14 to fix and limit.

[0038] A hinges 15 are fixedly connected to both sides of the top of the front of the adjusting device 4, B hinges 16 are fixedly connected to both sides of the A hinge 15, and a B snap ring 17 is fixedly connected to one side of the B hinge 16. The A hinge 15 and the B hinge 16 facilitate the opening and closing of the B snap ring 17 to install and fix the core shaft.

[0039] The implementation principle of an adjustable bracket structure for a spindle in the embodiment of the present application is as follows: the spindle is supported and fixed by the first bracket 1 and the second bracket 2, the adjusting device 4 is convenient for adjusting its height through the spring 404 at the bottom, the connecting plate 405 is sleeved in the interior of the connecting and fixing frame 3, one end of the spindle is placed on the A clamping ring 407, and rotates on the A clamping ring 407. The adjusting device 4 can support the spindle well in the working state and enhance its stability during work, and is fixed between the card slot 6 and the second bracket 2, and the A threaded hole 7 is provided to facilitate the subsequent fixation to make it more firm, and is clamped together between the card plate 8 and the card slot 6, through Two matching A threaded holes 7 and B threaded holes 9 are fixed, and the fixing bolts 10 are inserted into the A threaded holes 7 and B threaded holes 9, and are tightly fixed together through threads to prevent them from falling off during use. The height of the adjusting device 4 is limited by the limiting plate 11 so that it can reach the specified height, and then it is limited by the limiting bolts 12 to achieve the optimal effect. After the adjusting device 4 reaches the optimal height, the limiting bolts 12 are passed through the limiting holes 14 to fix and limit it through the limiting holes 14 opened on the mounting plate 13. The B retaining ring 17 is conveniently opened and closed through the A hinge 15 and the B hinge 16 to install and fix the core shaft.

[0040] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. An adjustable support structure for a mandrel, characterized in that: The invention comprises a first bracket (1), one side of the first bracket (1) is fixedly connected to a second bracket (2), the middle parts of the upper surfaces of the first bracket (1) and the second bracket (2) are fixedly connected to a connection fixing frame (3), the interior of the connection fixing frame (3) is fixedly connected to an adjustment device (4), both sides of the connection fixing frame (3) are fixedly connected to side support rods (5), and the middle parts of the inner walls of the first bracket (1) and the second bracket (2) are fixedly connected to a support reinforcement frame (18); The adjusting device (4) comprises a base (401), spring seats (402) are fixedly connected to both sides of the upper surface of the base (401), a spring column (403) is fixedly connected to the upper surface of the spring seat (402), a spring (404) is sleeved on the outer surface of the spring column (403), a connecting plate (405) is fixedly connected to the top of the spring column (403), a fixing plate (406) is fixedly connected to the upper surface of the connecting plate (405), and an A-shaped retaining ring (407) is provided on the top of the fixing plate (406).

2. An adjustable support structure for a mandrel according to claim 1, characterized in that: A clamping groove (6) is provided on both sides of the first bracket (1), and an A threaded hole (7) is provided on the inner wall of the clamping groove (6).

3. An adjustable support structure for a mandrel according to claim 1, characterized in that: A clamping plate (8) is fixedly connected to both sides of the second bracket (2), and a B threaded hole (9) is provided on the inner wall of the clamping plate (8).

4. An adjustable support structure for a mandrel according to claim 3, characterized in that: The internal thread of the B threaded hole (9) is connected with a fixing bolt (10), and the fixing bolt (10) is adapted to fit the A threaded hole (7).

5. An adjustable support structure for a mandrel according to claim 1, characterized in that: The middle parts of both sides of the adjustment device (4) are fixedly connected to a limit plate (11), and the interior of the limit plate (11) is fixedly connected to a limit bolt (12).

6. An adjustable support structure for a mandrel according to claim 1, characterized in that: Both sides of the upper surface of the connection fixing frame (3) are fixedly connected with mounting plates (13), and a plurality of limiting holes (14) are provided on the front side of the mounting plate (13), wherein the limiting holes (14) are adapted to the limiting bolts (12).

7. An adjustable support structure for a mandrel according to claim 1, characterized in that: Both sides of the top of the front face of the adjustment device (4) are fixedly connected to A hinges (15), both sides of the A hinge (15) are fixedly connected to B hinges (16), and one side of the B hinge (16) is fixedly connected to a B clamping ring (17).