Rounding and width adjusting device for leaf spring eye

Abstract

The utility model relates to a plate spring eye rounding and width adjusting device which comprises a machine frame, a width adjusting mechanism is arranged on the machine frame, the width adjusting mechanism comprises a width adjusting movable die, a width adjusting static die and a width adjusting oil cylinder, a rounding mechanism and a core shaft penetrating mechanism are further arranged on the machine frame, and the rounding mechanism comprises a rounding upper die, a rounding lower die, an upper rounding oil cylinder and a lower rounding oil cylinder. The mandrel penetrating mechanism comprises a mandrel penetrating into a plate spring coil lug hole and a mandrel penetrating oil cylinder, and a material moving mechanism is arranged on one side of the rack and comprises a clamping device capable of clamping a plate spring and a translation device capable of driving the clamping device to move in the longitudinal direction so as to drive the plate spring to be close to or away from the whole-width static die. According to the utility model, after the leaf spring is rolled, the rounding action is completed while the lug hole is widened. Not only is the width and roundness of the ear hole ensured, but also the product quality is improved. And the equipment concentration degree is high, and the equipment automation degree is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of leaf spring production equipment, and in particular relates to a leaf spring ear rounding and width adjustment device. Background Art

[0002] In the production process of automobile leaf springs, the leaf springs need to be rolled and formed. After the existing leaf springs are rolled, generally only the width of the ear holes is adjusted. As the requirements for the size of the leaf spring ear holes are getting higher and higher, it is difficult to ensure the size of the ear holes by only rolling the ears, which affects the production quality of the product. Utility Model Content

[0003] The utility model aims to provide a leaf spring ear curling and rounding width adjustment device to solve the problem that currently only the ear hole width adjustment is performed, it is difficult to ensure the size of the ear hole, and the production quality of the product is affected.

[0004] The utility model relates to a leaf spring ear curling, rounding and width adjustment device, comprising a frame, a width adjustment mechanism is arranged on the frame, the width adjustment mechanism comprises a width adjustment movable die, a width adjustment static die and a width adjustment oil cylinder, a rounding mechanism and a core shaft mechanism are also arranged on the frame, the rounding mechanism comprises a rounding upper die, a rounding lower die, an upper rounding oil cylinder and a lower rounding oil cylinder, the core shaft mechanism comprises a core shaft inserted into an ear curling hole of the leaf spring and a core shaft cylinder, a material shifting mechanism is arranged on one side of the frame, the material shifting mechanism comprises a clamping device which can clamp the leaf spring and a translation device which can drive the clamping device to move longitudinally so as to drive the leaf spring to approach and move away from the width adjustment static die.

[0005] As a preferred embodiment, the translation device includes a bracket, a translation rail is fixed on the bracket in the longitudinal direction, a translation slider is provided on the translation rail, a translation slide plate is fixed on the translation slide plate, a clamping device is installed on the translation slide plate, and the translation slide plate is connected to a translation cylinder. The leaf spring can be quickly brought close to the width adjustment static mold to complete the width adjustment positioning.

[0006] As a preferred embodiment, a piston rod at one end of the translation cylinder is fixedly connected to a limit slider, a limit slide rail is arranged outside the limit slider, a limit slideway is arranged on the bracket, a limit block extending into the limit slideway is fixed on the top of the limit slider, and a limit plate is fixed at one end of the limit slideway. Limitation can be performed.

[0007] As a preferred embodiment, the clamping device comprises a static clamping plate fixed on the translation slide, a dynamic clamping plate is provided on one side of the static clamping plate, the dynamic clamping plate is fixedly connected to a clamping cylinder, and the clamping cylinder is fixed on the translation slide, so as to quickly clamp the leaf spring.

[0008] As a preferred embodiment, a lifting slider is fixed on one side of the bracket, the lifting slider is connected to a lifting rail, the lifting rail is fixed to a mounting frame, a spiral lifter 1 is connected to the bottom of the bracket, and the spiral lifter 1 is fixed to the mounting frame. The height of the leaf spring can be adjusted as needed to accommodate leaf springs of various thicknesses.

[0009] As a preferred embodiment, a feed slider is fixed at the bottom of the mounting frame plate, the feed slider is connected to a feed rail arranged in the transverse direction, a feed frame is fixed at the bottom of the feed rail, a feed screw is rotatably mounted on the feed frame, a feed nut is arranged on the feed screw, and the feed nut is fixed to the mounting frame plate. The clamping position of the leaf spring can be adjusted to accommodate leaf springs of various lengths.

[0010] A supporting mechanism is provided on the frame between the material transfer mechanism and the width adjustment static die, and the supporting mechanism includes a supporting plate, a supporting cylinder is fixed to the bottom of the supporting plate, a supporting frame is fixedly connected to the supporting cylinder, a screw elevator 2 is fixed to the bottom of the supporting frame, and the screw elevator 2 is fixed to the frame. The leaf spring can be supported to make the leaf spring better for material placement and support.

[0011] As a preferred embodiment, the lifting control shaft of the spiral elevator 2 is fixedly connected to the sprocket 1, the sprocket 1 is connected to the sprocket 2 through a chain, the sprocket 2 is fixedly connected to the rotating shaft, the rotating shaft is rotatably mounted on the frame, an adjusting hand wheel is fixed at one end of the rotating shaft, a guide sleeve is fixed on the frame, a guide column is arranged in the guide sleeve, and the top of the guide column is fixed to the support frame. The initial height of the support plate can be adjusted to adapt to leaf springs of various thicknesses.

[0012] As a preferred embodiment, a guide sleeve is fixed on the core shaft, a guide shaft is arranged in the guide sleeve, and the guide shaft is fixed on the frame.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] After the leaf spring is rolled up, the ear hole is adjusted in width and rounded at the same time. This ensures both the width and roundness of the ear hole, thus improving the quality of the product. The equipment has a high degree of concentration and automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the width adjustment mechanism, the circle adjustment mechanism and the mandrel-through shaft mechanism;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the supporting mechanism;

[0018] Figure 4 It is a partial three-dimensional structural schematic diagram of the material transfer mechanism;

[0019] In the figure: 1. Width adjustment mechanism; 101. Width adjustment cylinder; 102. Width adjustment dynamic die; 103. Width adjustment static die; 2. Rounding mechanism; 201. Upper rounding cylinder; 202. Rounding upper die; 203. Rounding lower die; 204. Lower rounding cylinder; 3. Mandrel-through mechanism; 301. Mandrel; 302. Guide sleeve; 303. Guide shaft; 304. Mandrel-through cylinder; 4. Support mechanism; 401. Support plate; 402. Support cylinder; 403. Support rack; 404. Screw elevator 2; 405. Sprocket 1; 406. 6. Rotating shaft, 407. Sprocket 2, 408. Guide column, 5. Material moving mechanism, 501. Feed rack, 502. Feed screw, 503. Feed slide rail, 504. Mounting frame plate, 505. Lifting slide rail, 506. Bracket, 507. Clamping cylinder, 508. Translation slide plate, 509. Translation slide rail, 510. Moving clamping plate, 511. Static clamping plate, 512. Limit block, 513. Limit plate, 514. Limit slide rail, 515. Translation cylinder, 516. Screw lift 1, 6. Frame, 7. Leaf spring. DETAILED DESCRIPTION

[0020] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0021] Embodiment 1, as Figures 1 to 4 As shown, the utility model is a leaf spring ear curling, rounding and width adjustment device, including a frame 6, on which a width adjustment mechanism 1 is provided, the width adjustment mechanism 1 includes a width adjustment movable die 102, a width adjustment static die 103 and a width adjustment cylinder 101, the frame 6 is also provided with a rounding mechanism 2 and a mandrel mechanism 3, the rounding mechanism 2 includes a rounding upper die 202, a rounding lower die 203, an upper rounding cylinder 201, and a lower rounding cylinder 204, the mandrel mechanism 3 includes a mandrel 301 inserted into the ear curling hole of the leaf spring 7 and a mandrel cylinder 304, a material moving mechanism 5 is provided on one side of the frame 6, the material moving mechanism 5 includes a clamping device that can clamp the leaf spring 7 and a translation device that can drive the clamping device to move longitudinally, thereby driving the leaf spring 7 to approach and move away from the width adjustment static die 103.

[0022] During operation, the leaf spring 7 after ear rolling is placed in the working area, the clamping device clamps the leaf spring 7, and then the mandrel cylinder 304 drives the mandrel 301 to penetrate the ear hole, and then the translation device moves the leaf spring 7 to the position of the width adjustment static mold 103, and then the width adjustment cylinder 101 drives the width adjustment dynamic mold 102 to shape the width of the ear hole. The lower circle adjustment cylinder 204 drives the circle adjustment lower mold 203 to extend, and at the same time, the upper circle adjustment cylinder 201 drives the circle adjustment upper mold 202 to extend, and the ear hole of the leaf spring 7 is rounded. At this time, the width and rounding of the ear hole are completed, and finally each cylinder drives the corresponding mold to reset and take out the leaf spring 7.

[0023] Example 2, based on Example 1, the translation device includes a bracket 506, a translation rail 509 is fixed on the bracket 506 along the longitudinal direction, a translation slider is provided on the translation rail 509, a translation slide 508 is fixed on the translation slider, a clamping device is installed on the translation slide 508, and the translation slide 508 is connected to a translation cylinder 515.

[0024] One end of the piston rod of the translation cylinder 515 is fixedly connected to the limit slider, a limit slide rail 514 is provided on the outside of the limit slider, a limit slide is provided on the bracket 506, a limit block 512 extending into the limit slide is fixed on the top of the limit slider, and a limit plate 513 is fixed at one end of the limit slide.

[0025] The clamping device includes a static clamping plate 511 fixed on the translation slide 508 , a dynamic clamping plate 510 is provided on one side of the static clamping plate 511 , and the dynamic clamping plate 510 is fixedly connected to a clamping cylinder 507 , and the clamping cylinder 507 is fixed on the translation slide 508 .

[0026] A lifting slider is fixed to one side of the bracket 506, the lifting slider is connected to the lifting rail 505, the lifting rail 505 is fixed to the mounting frame 504, the bottom of the bracket 506 is connected to a spiral lifter 516, and the spiral lifter 516 is fixed to the mounting frame 504. The shape of the ear hole includes a flat ear and a Berlin ear.

[0027] A feed slider is fixed to the bottom of the mounting plate 504, and the feed slider is connected to a feed rail 503 arranged along the horizontal direction. A feed frame 501 is fixed to the bottom of the feed rail 503, and a feed screw 502 is rotatably mounted on the feed frame 501. A feed nut is provided on the feed screw 502, and the feed nut is fixed to the mounting plate 504.

[0028] By rotating the feed screw 502 through the advance and retract hand wheel, the entire mounting frame plate 504 is advanced and retreated; by rotating the lifting hand wheel, the spiral lift 516 is rotated to raise and lower the bracket 506; by adjusting the leaf spring 7 to move longitudinally through the translation cylinder 515, the movable clamping plate 510 is driven by the clamping cylinder 507 to push the leaf spring 7 to the static clamping plate 511.

[0029] A supporting mechanism 4 is provided on the frame 6 between the material moving mechanism 5 and the width adjustment static mold 103, and the supporting mechanism 4 includes a supporting plate 401, a supporting cylinder 402 is fixed to the bottom of the supporting plate 401, the supporting cylinder 402 is fixedly connected to a supporting frame 403, and a spiral elevator 404 is fixedly connected to the bottom of the supporting frame 403, and the spiral elevator 404 is fixed on the frame 6.

[0030] The lifting control shaft of the screw elevator 2 404 is fixedly connected with a sprocket 1 405, and the sprocket 1 405 is connected with a sprocket 2 407 through a chain, and the sprocket 2 407 is fixedly connected with a rotating shaft 406, and the rotating shaft 406 is rotatably mounted on the frame 6, and an adjusting hand wheel is fixed at one end of the rotating shaft 406, and a guide sleeve is fixed on the frame 6, and a guide column 408 is arranged in the guide sleeve, and the top of the guide column 408 is fixed to the support frame 403. By rotating the adjusting hand wheel to drive the chain, the chain pulley screw elevator 2 404 is lifted and lowered. When adjusted to a suitable position, the support cylinder 402 extends out of the support plate 401 to receive the leaf spring 7.

[0031] A guide sleeve 302 is fixed on the core shaft 301 , a guide shaft 303 is arranged inside the guide sleeve 302 , and the guide shaft 303 is fixed on the frame 6 .

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0033] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A leaf spring ear rounding and width adjustment device, comprising a frame (6), a width adjustment mechanism (1) being arranged on the frame (6), the width adjustment mechanism (1) comprising a width adjustment movable die (102), a width adjustment static die (103) and a width adjustment oil cylinder (101), characterized in that: A rounding mechanism (2) and a mandrel-penetrating mechanism (3) are also provided on the frame (6); the rounding mechanism (2) comprises a rounding upper die (202), a rounding lower die (203), an upper rounding oil cylinder (201), and a lower rounding oil cylinder (204); the mandrel-penetrating mechanism (3) comprises a mandrel (301) inserted into the ear hole of the leaf spring (7) and a mandrel-penetrating oil cylinder (304); a material-shifting mechanism (5) is provided on one side of the frame (6); the material-shifting mechanism (5) comprises a clamping device capable of clamping the leaf spring (7) and a translation device capable of driving the clamping device to move longitudinally, thereby driving the leaf spring (7) to approach and move away from the rounding static die (103).

2. The leaf spring ear rounding and width adjustment device according to claim 1, characterized in that: The translation device comprises a bracket (506), a translation rail (509) is fixed on the bracket (506) in the longitudinal direction, a translation slider is provided on the translation rail (509), a translation slide plate (508) is fixed on the translation slider, a clamping device is installed on the translation slide plate (508), and the translation slide plate (508) is connected to a translation cylinder (515).

3. The leaf spring ear rounding and width adjustment device according to claim 2, characterized in that: A piston rod at one end of the translation cylinder (515) is fixedly connected to a limit slide, a limit slide rail (514) is arranged outside the limit slide, a limit slide is arranged on the bracket (506), a limit block (512) extending into the limit slide is fixed on the top of the limit slide, and a limit plate (513) is fixed at one end of the limit slide.

4. The leaf spring ear rounding and width adjustment device according to claim 2 or 3, characterized in that: The clamping device comprises a static clamping plate (511) fixed on the translation slide (508), a dynamic clamping plate (510) is provided on one side of the static clamping plate (511), the dynamic clamping plate (510) is fixedly connected to a clamping cylinder (507), and the clamping cylinder (507) is fixed on the translation slide (508).

5. The leaf spring ear rounding and width adjustment device according to claim 4, characterized in that: A lifting slider is fixed on one side of the bracket (506), the lifting slider is connected to a lifting rail (505), the lifting rail (505) is fixed to a mounting frame (504), and a spiral lifter (516) is connected to the bottom of the bracket (506), and the spiral lifter (516) is fixed on the mounting frame (504).

6. The leaf spring ear rounding and width adjustment device according to claim 5, characterized in that: A feed slider is fixed at the bottom of the mounting frame plate (504), and the feed slider is connected to a feed slide rail (503) arranged in the transverse direction. A feed frame (501) is fixed at the bottom of the feed slide rail (503), and a feed screw (502) is rotatably mounted on the feed frame (501). A feed nut is provided on the feed screw (502), and the feed nut is fixed to the mounting frame plate (504).

7. The leaf spring ear rounding and width adjustment device according to claim 1, characterized in that: A material supporting mechanism (4) is provided on a frame (6) between the material transfer mechanism (5) and the width adjustment static mold (103), the material supporting mechanism (4) comprising a material supporting plate (401), a material supporting cylinder (402) being fixedly connected to a material supporting frame (403) on the bottom of the material supporting plate (401), a screw elevator 2 (404) being fixedly connected to the bottom of the material supporting frame (403), and the screw elevator 2 (404) being fixedly connected to the frame (6).

8. The leaf spring ear rounding and width adjustment device according to claim 7, characterized in that: The lifting control shaft of the screw lifter 2 (404) is fixedly connected with the sprocket 1 (405), the sprocket 1 (405) is connected with the sprocket 2 (407) through a chain, the sprocket 2 (407) is fixedly connected with the rotating shaft (406), the rotating shaft (406) is rotatably mounted on the frame (6), an adjusting hand wheel is fixed at one end of the rotating shaft (406), a guide sleeve is fixed on the frame (6), a guide column (408) is arranged in the guide sleeve, and the top of the guide column (408) is fixed to the supporting frame (403).

9. The leaf spring ear rounding and width adjustment device according to claim 1, characterized in that: A guide sleeve (302) is fixed on the core shaft (301), a guide shaft (303) is arranged inside the guide sleeve (302), and the guide shaft (303) is fixed on the frame (6).

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