Polishing and drilling device for plate spring machining

A leaf spring processing device that uses an inverted conical friction ring to grind rust and a cross-shaped chuck to control the transmission of the drilling tool solves the problems of drill bit chip splashing and corrosion, thereby improving drilling efficiency and device lifespan.

CN223801977UActive Publication Date: 2026-01-16SICHUAN HUAYU VEHICLE LEAF SPRING
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Patent Information

Application Number
CN202520431022.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-16
Estimated Expiration
2035-03-12

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    Figure CN223801977U_ABST
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Abstract

The utility model provides a polishing and drilling device for plate spring machining, and relates to the technical field of plate spring machining, the polishing and drilling device comprises an adjusting sleeve, guide openings are formed in the inner walls of the two sides of the adjusting sleeve, an annular seat is arranged in the adjusting sleeve, and a transmission ring is rotationally clamped to the top of the annular seat; a connecting pipe is fixed to the position, close to the edge of the inner side, of the bottom of the annular base, and the bottom of the connecting pipe penetrates to the position below the adjusting sleeve in a sliding mode. The connecting shaft and the connecting pipe are mutually clamped through the cross-shaped clamping plate and the cross-shaped clamping groove, so that the connecting pipe can be driven to rotate together when the connecting shaft is driven to rotate; firstly, the adjusting sleeve is installed on an external device through the connecting flange plate, meanwhile, the driving block is in butt joint with an external driving facility, when the plate spring is polished and drilled, the adjusting sleeve needs to be moved towards a drilling part, and when the plate spring is drilled, rust at the drilling part of the plate spring is ground through the inverted-cone-shaped friction ring firstly, and then the plate spring is drilled through the drilling cutter.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plate spring processing technical field especially relates to a plate spring processing is used polishing drilling device. BACKGROUND

[0002] Plate spring is the most traditional elastic element in the automobile suspension system, because its good reliability, simple structure, short manufacturing process, low cost and greatly simplified structure and so on, thereby get extensive application. The automobile plate spring is generally combined by several pieces of alloy spring steel of unequal length into a group of approximately equal strength spring beam.

[0003] At present, when the plate spring is processed and ground hole, the drill bit enters the hole inside and drills, the generated debris will splash outside, at the same time, due to the rust on the outer surface of the plate spring, the drill bit edge is easy to be damaged when the drill bit initially contacts the rusted part. UTILITY MODEL CONTENT

[0004] The utility model discloses a plate spring processing is used polishing drilling device.

[0005] In order to solve the above technical problems, the basic idea of the technical scheme adopted by the utility model is:

[0006] A plate spring processing is used polishing drilling device, including the adjusting sleeve, the both sides inner walls of adjusting sleeve all are set with the guide mouth, the inside of adjusting sleeve is provided with annular seat, the top of annular seat is rotationally combined with transmission ring, the bottom of annular seat is fixed with the connecting pipe near the inner side edge, the bottom of connecting pipe is slid through to the lower of adjusting sleeve, the outer surface of connecting pipe is fixed with the inverted taper friction ring near the bottom edge.

[0007] Optionally, the top of the transmission ring is fixed with a restraint ring, the top of the restraint ring is fixed with a spring, and the top of the spring is fixed to the inner top surface of the adjusting sleeve.

[0008] Optionally, the two sides of the restraint ring are fixed with limiting blocks, and the two limiting blocks are slidably clamped in the inside of the guide mouth.

[0009] Optionally, the outer surface of the adjusting sleeve is fixed with a connecting flange near the top edge, and the inner wall of the adjusting sleeve is rotatably provided with a driving block near the top edge.

[0010] Optionally, the bottom of the driving block is fixed with a connecting shaft, and the bottom of the connecting shaft extends to the inside of the connecting pipe.

[0011] Optionally, the bottom of the connecting shaft is fixed with a drilling knife, and the outer surface of the connecting shaft is fixed with a cross clamping plate.

[0012] Optionally, a transmission sleeve is fixed between the inner walls of the connecting pipe, and a cross-shaped clamping groove is formed in the inner wall of the transmission sleeve.

[0013] After the technical scheme is applied, the utility model has the following beneficial effects compared with the prior art, of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below:

[0014] 1、The utility model discloses a cross-shaped clamping plate and a cross-shaped clamping groove are mutually clamped between the connecting pipe and the connecting shaft, so that the connecting pipe can be driven to rotate together when the connecting shaft is driven to rotate, in use, first, the adjusting sleeve is installed on the external equipment through the connecting flange plate, and the driving block is butted with the external driving device, when the plate spring is polished and drilled, the adjusting sleeve needs to be moved to the drilling position, when the hole is opened, first, the rust on the hole opening position of the plate spring is ground through the inverted conical friction ring, and then the hole is drilled through the drilling knife.

[0015] 2、The utility model discloses a cross-shaped clamping plate and a cross-shaped clamping groove are mutually clamped between the connecting pipe and the connecting shaft, so that the connecting pipe can be driven to rotate together when the connecting shaft is driven to rotate, in use, first, the adjusting sleeve is installed on the external equipment through the connecting flange plate, and the driving block is butted with the external driving device, when the plate spring is polished and drilled, the adjusting sleeve needs to be moved to the drilling position, when the hole is opened, first, the rust on the hole opening position of the plate spring is ground through the inverted conical friction ring, and then the hole is drilled through the drilling knife. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings. In the drawings:

[0017] Figure 1 A bottom view of the polishing and drilling device for plate spring machining is provided for the utility model;

[0018] Figure 2 A sectional view of the polishing and drilling device for plate spring machining is provided for the utility model;

[0019] Figure 3 A sectional view of the adjusting sleeve of the polishing and drilling device for plate spring machining is provided for the utility model;

[0020] Figure 4 The utility model Figure 2 provides an enlarged view of A.

[0021] In the drawings, the components represented by the numbers are listed as follows:

[0022] 1. Adjusting sleeve; 2. Connecting flange; 3. Inverted conical friction ring; 4. Connecting pipe; 5. Drive block; 6. Coupling; 7. Drilling tool; 8. Constraint ring; 9. Guide port; 10. Spring; 11. Transmission sleeve; 12. Cross groove; 13. Ring seat; 14. Transmission ring; 15. Limiting block; 16. Cross plate.

[0023] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings.

[0025] Example 1, such as Figures 1-4 As shown, this utility model provides a technical solution for a grinding and drilling device for processing leaf springs: it includes an adjusting sleeve 1, with guide openings 9 on both inner walls of the adjusting sleeve 1, an annular seat 13 inside the adjusting sleeve 1, a transmission ring 14 rotatably engaged at the top of the annular seat 13, a connecting pipe 4 fixed at the bottom of the annular seat 13 near the inner edge, the bottom of the connecting pipe 4 slidingly penetrating to the bottom of the adjusting sleeve 1, and an inverted conical friction ring 3 fixed on the outer surface of the connecting pipe 4 near the bottom edge.

[0026] The effect achieved by the entire embodiment 1 is that the connecting shaft 6 and the connecting pipe 4 are engaged with each other by the cross clamp plate 16 and the cross clamp groove 12, so that the connecting pipe 4 can be driven to rotate together when the connecting shaft 6 is rotated. In use, the adjusting sleeve 1 is first installed on the external equipment through the connecting flange 2, and the driving block 5 is connected to the external driving facility. When grinding and drilling the leaf spring, the adjusting sleeve 1 needs to be moved towards the drilling part. When drilling, the rust at the drilling part of the leaf spring is first ground off by the inverted conical friction ring 3, and then the hole is drilled by the drilling tool 7.

[0027] Example 2, as Figures 1-4As shown, the top of the transmission ring 14 is fixed with the constraint ring 8, the top of the constraint ring 8 is fixed with the spring 10, the top of the spring 10 is fixed inside the top surface of the adjusting sleeve 1, both sides of the constraint ring 8 are fixed with the limiting block 15, both limiting blocks 15 correspond to the sliding card inside the guide hole 9, the outer surface of the adjusting sleeve 1 is fixed with the connecting flange plate 2 near the top edge, the inner wall of the adjusting sleeve 1 is rotatably provided with the driving block 5 near the top edge, the bottom of the driving block 5 is fixed with the connecting shaft 6, the bottom of the connecting shaft 6 extends to the inside of the connecting pipe 4, the bottom of the connecting shaft 6 is fixed with the drill bit 7, the outer surface of the connecting shaft 6 is fixed with the cross clamping plate 16, the inner wall of the connecting pipe 4 is fixed with the transmission sleeve 11 in the middle, the inner wall of the transmission sleeve 11 is provided with the cross clamping groove 12, and the cross clamping plate 16 is slidably clamped in the cross clamping groove 12.

[0028] The effect of the whole embodiment 2 is that in use, in the process of grinding the rust of the hole part of the leaf spring by the inverted taper friction ring 3, the connecting pipe 4 is pressed to the inside of the adjusting sleeve 1, in the pressing process, the cross clamping plate 16 slides to the upper side of the cross clamping groove 12, when the cross clamping plate 16 slides to the upper side of the cross clamping groove 12, it is separated from the cross clamping groove 12, so that the transmission between the connecting pipe 4 and the connecting shaft 6 is cut off, at this time, the inverted taper friction ring 3 stops working, but the connecting shaft 6 continues to rotate, drives the drill bit 7 to drill the hole of the leaf spring, and the debris generated in the drilling cutting is prevented from splashing outside under the protection of the connecting pipe 4.

[0029] Working principle: the connecting shaft 6 and the connecting pipe 4 are clamped by the cross clamping plate 16 and the cross clamping groove 12, so that the connecting pipe 4 can be driven to rotate together when the connecting shaft 6 rotates, in use, first, the adjusting sleeve 1 is installed on the external device through the connecting flange plate 2, and the driving block 5 is connected with the external driving device, when the hole of the leaf spring is drilled, the adjusting sleeve 1 needs to be moved to the drilling part, when the hole is drilled, the rust of the hole part of the leaf spring is first ground by the inverted taper friction ring 3, and then the hole is drilled by the drill bit 7, in use, in the process of grinding the rust of the hole part of the leaf spring by the inverted taper friction ring 3, the connecting pipe 4 is pressed to the inside of the adjusting sleeve 1, in the pressing process, the cross clamping plate 16 slides to the upper side of the cross clamping groove 12, when the cross clamping plate 16 slides to the upper side of the cross clamping groove 12, it is separated from the cross clamping groove 12, so that the transmission between the connecting pipe 4 and the connecting shaft 6 is cut off, at this time, the inverted taper friction ring 3 stops working, but the connecting shaft 6 continues to rotate, drives the drill bit 7 to drill the hole of the leaf spring, and the debris generated in the drilling cutting is prevented from splashing outside under the protection of the connecting pipe 4.

[0030] The utility model is not limited to the above-mentioned embodiment, any person should know the structure change made under the inspiration of the utility model, any technical scheme with the same or similar to the utility model falls into the protection scope of the utility model. The utility model is not described in detail the technology, shape, structure part is the known technology.

Claims

1. A grinding and drilling device for leaf spring processing, comprising an adjusting sleeve (1), characterized in that: Both sides of the adjusting sleeve (1) are provided with guide openings (9), the inside of the adjusting sleeve (1) is provided with an annular seat (13), the top of the annular seat (13) is rotationally clamped with a transmission ring (14), the bottom of the annular seat (13) is fixed with a connecting pipe (4) near the inner side edge, the bottom of the connecting pipe (4) is slidingly penetrated to the lower side of the adjusting sleeve (1), the outer surface of the connecting pipe (4) is fixed with an inverted taper friction ring (3) near the bottom edge.

2. The polishing and drilling device for plate spring machining according to claim 1, characterized in that: The top of the transmission ring (14) is fixed with a constraint ring (8), the top of the constraint ring (8) is fixed with a spring (10), and the top of the spring (10) is fixed to the inner top surface of the adjusting sleeve (1).

3. The polishing and drilling device for plate spring machining according to claim 2, characterized in that: Both sides of the constraint ring (8) are fixed with limit blocks (15), and the two limit blocks (15) are slidingly clamped in the inside of the guide opening (9).

4. The polishing and drilling device for plate spring machining according to claim 3, characterized in that: The outer surface of the adjusting sleeve (1) is fixed with a connecting flange (2) near the top edge, and the inner wall of the adjusting sleeve (1) is rotationally provided with a driving block (5) near the top edge.

5. The polishing and drilling apparatus for plate spring machining according to claim 4, characterized in that: The bottom of the driving block (5) is fixed with a connecting shaft (6), and the bottom of the connecting shaft (6) extends to the inside of the connecting pipe (4).

6. The polishing and drilling apparatus for plate spring machining according to claim 5, characterized in that: The bottom of the connecting shaft (6) is fixed with a drilling cutter (7), and the outer surface of the connecting shaft (6) is fixed with a cross clamping plate (16).

7. The polishing and drilling device for plate spring machining according to claim 6, wherein: The inner wall of the connecting pipe (4) is fixed with a transmission sleeve (11) at the middle, the inner wall of the transmission sleeve (11) is provided with a cross clamping groove (12), and the cross clamping plate (16) is slidingly clamped in the inside of the cross clamping groove (12).