Steel plate spring quenching clamp

Abstract

The utility model discloses a quenching clamp for a steel plate spring. The quenching clamp comprises an upper swing frame and a lower swing frame, the utility model has the key points that an upper swing frame is fixedly connected with an upper fixed plate, the upper fixed plate is fixedly connected with an upper template, the bottom surface of the upper template integrally protrudes downwards to form a plurality of upper convex dies, and the plurality of upper convex dies are arranged along the length direction of the steel plate spring quenching clamp; the lower swing frame is fixedly connected with a lower fixing plate, the lower fixing plate is fixedly connected with a lower die plate, the top face of the lower die plate integrally protrudes upwards to form a plurality of lower male dies, the lower male dies are located below the upper male dies, and each lower male die corresponds to one upper male die. The multiple upper male dies and the upper die plate are integrally formed, and the multiple lower male dies and the lower die plate are integrally formed, so that the positioning precision and stability are improved, the radian of a forming face does not need to be adjusted in the using process, the procedure of adjusting the radian of the forming face is omitted, and the production efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to quenching equipment technical field, concretely relates to a steel plate spring quenching fixture. BACKGROUND

[0002] The steel plate spring is shaped through the fixture of the quenching machine when quenching, and the existing quenching fixture comprises two opposite seat plates arranged in an up-down mode, a plurality of clamping jaws are connected to each seat plate in a slideable mode, when the steel plate spring is quenched, the plurality of clamping jaws on each seat plate are adjusted in height according to a steel plate spring template to make the bottom surfaces of the plurality of clamping jaws form a forming surface, that is, the curvature of the forming surface is adjusted, and the curvature of the forming surface is matched with the curvature of the steel plate spring, however, the above structure is prone to clamping jaw loosening during use, which leads to product (steel plate spring) deformation and inter-sheet gap out-of-tolerance problems, and the clamping jaw mode adjustment time is long, which affects production efficiency. SUMMARY

[0003] In view of the defects of the prior art, the utility model discloses a steel plate spring quenching fixture which improves positioning stability and production efficiency by integrally forming a plurality of upper convex dies with an upper die plate and integrally forming a plurality of lower convex dies with a lower die plate.

[0004] To achieve the above object, the utility model embodiment adopts the following technical scheme:

[0005] The steel plate spring quenching fixture comprises an upper swing frame and a lower swing frame located below the upper swing frame.

[0006] The upper swing frame is fixedly connected with an upper fixed plate, the upper fixed plate is fixedly connected with an upper die plate located below the upper swing frame, the bottom surface of the upper die plate integrally protrudes downward to form a plurality of upper convex dies, the plurality of upper convex dies are arranged along the length direction of the steel plate spring quenching fixture, and the bottom surfaces of the plurality of upper convex dies form an upper forming surface, and the shape of the upper forming surface is matched with the plate surface of the steel plate spring.

[0007] The lower swing frame is fixedly connected with a lower fixed plate, the lower fixed plate is fixedly connected with a lower die plate located above the lower swing frame, the top surface of the lower die plate integrally protrudes upward to form a plurality of lower convex dies, the lower convex dies are located below the upper convex dies, one lower convex die corresponds to one upper convex die, the top surfaces of the plurality of lower convex dies form a lower forming surface, and the shape of the lower forming surface is matched with the other plate surface of the steel plate spring.

[0008] Further, the upper swing frame is fixed with upper studs outwardly extending and connected with nuts, the upper fixed plate is located between the upper swing frame and the nuts and is provided with upper fixed holes penetrating therethrough, the upper fixed holes are matched with the upper studs, so that the upper fixed plate is connected to the upper swing frame and locked by the nuts.

[0009] Further, the upper studs are multiple, the multiple upper studs are distributed along the length direction of the steel plate spring quenching fixture and located on the first index circle, the upper fixed holes are arc-shaped and extend along the circumference of the first index circle, the upper fixed holes are multiple, and each upper fixed hole is matched with at least two upper studs.

[0010] Further, the lower swing frame is fixed with lower studs outwardly extending and connected with nuts, the lower fixed plate is located between the lower swing frame and the nuts and is provided with lower fixed holes penetrating therethrough, the lower fixed holes are matched with the lower studs, so that the lower fixed plate is connected to the lower swing frame and locked by the nuts.

[0011] Further, the lower studs are multiple, the multiple lower studs are distributed along the length direction of the steel plate spring quenching fixture and located on the second index circle, the lower fixed holes are arc-shaped and extend along the circumference of the second index circle, the lower fixed holes are multiple, and each lower fixed hole is matched with at least two lower studs.

[0012] Further, the upper fixed plate and the lower fixed plate are respectively provided with multiple upper fixed holes and multiple lower fixed holes penetrating therethrough, the multiple upper fixed holes and the multiple lower fixed holes are distributed along the length direction of the steel plate spring quenching fixture and respectively located on the first index circle and the second index circle, the symmetric center lines of the upper die plate and the lower die plate are located on the first straight line, the centers of the first index circle and the second index circle are located on the first straight line, the upper studs are arranged in the upper fixed holes for connecting the upper swing frame and the upper fixed plate, and the lower studs are arranged in the lower fixed holes for connecting the lower swing frame and the lower fixed plate.

[0013] Further, the bottom surface of the upper swing frame and the top surface of the lower swing frame are arc-shaped, the upper end of the upper fixed plate is fixed to the upper swing frame, the lower end of the upper fixed plate extends downward below the upper swing frame, and the upper die plate is fixed to the bottom surface of the upper fixed plate; the lower end of the lower fixed plate is fixed to the lower swing frame, the upper end of the lower fixed plate extends upward above the lower swing frame, and the lower die plate is fixed to the top surface of the lower fixed plate.

[0014] Further, the upper convex die and the lower convex die are both tooth-shaped.

[0015] Furthermore, a plurality of upper reinforcing ribs are provided between the upper fixing plate and the upper template and welded to both. The plurality of upper reinforcing ribs are distributed along the length direction of the upper fixing plate. The upper fixing plate has an upper through hole between each two adjacent upper reinforcing ribs. The upper template is welded to the bottom surface of the upper fixing plate.

[0016] Furthermore, a plurality of lower reinforcing ribs are provided between the lower fixing plate and the lower template and welded to both. The plurality of lower reinforcing ribs are distributed along the length direction of the lower fixing plate. A lower through hole is provided on the surface of the lower fixing plate between each pair of adjacent lower reinforcing ribs. The lower template is welded to the top surface of the lower fixing plate.

[0017] This utility model of a steel plate spring quenching fixture forms multiple upper punches integrally extending downward from the bottom surface of the upper template, and multiple lower punches integrally extending upward from the top surface of the lower template. Each lower punch corresponds to an upper punch, meaning that the multiple upper punches are integrally formed with the upper template, and the multiple lower punches are integrally formed with the lower template. This improves positioning accuracy and stability. Furthermore, during use, the upper and lower templates can be directly fixed on the upper and lower swing frames, respectively, eliminating the need to adjust the curvature of the forming surface. This reduces the steps required for adjusting the curvature of the forming surface and further improves production efficiency. Attached Figure Description

[0018] Figure 1 This is a three-dimensional exploded view of the steel leaf spring quenching fixture according to an embodiment of the present utility model;

[0019] Figure 2 for Figure 1 A three-dimensional composite diagram;

[0020] Figure 3 for Figure 2 The front view. Detailed Implementation

[0021] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments:

[0022] like Figures 1 to 3 As shown, this utility model embodiment provides a steel leaf spring quenching fixture for forming steel leaf springs during quenching, including an upper swing frame 1 and a lower swing frame 2 located below the upper swing frame 1.

[0023] A plurality of upper studs 10 are welded and fixed on the outer surface of the upper swing frame 1, the upper studs 10 extend outwardly and are connected with nuts, the upper studs 10 are distributed along the length direction of the steel plate spring quenching clamp and are located on the first index circle 101. A plurality of lower studs 20 are welded and fixed on the outer surface of the lower swing frame 2, the lower studs 20 extend outwardly and are connected with nuts, the lower studs 20 are distributed along the length direction of the steel plate spring quenching clamp and are located on the second index circle 201, the radius of the first index circle 101 is smaller than the radius of the second index circle 201. In the embodiment, the bottom surface of the upper swing frame 1 and the top surface of the lower swing frame 2 are both arc-shaped.

[0024] The upper swing frame 1 is fixedly connected with an upper fixed plate 11, and the lower swing frame 2 is fixedly connected with a lower fixed plate 21. Specifically, the upper fixed plate 11 and the lower fixed plate 21 are respectively provided with a plurality of upper fixed holes 111 and a plurality of lower fixed holes 211 which penetrate the upper fixed plate 11 and the lower fixed plate 21, the plurality of upper fixed holes 111 and the plurality of lower fixed holes 211 are distributed along the length direction of the steel plate spring quenching clamp, the upper fixed holes 111 are provided with the upper studs 10 which are used for connecting the upper swing frame 1 and the upper fixed plate 11, and the lower fixed holes 211 are provided with the lower studs 20 which are used for connecting the lower swing frame 2 and the lower fixed plate 21.

[0025] Specifically, the upper end of the upper fixed plate 11 is fixed on the upper swing frame 1, and the lower end of the upper fixed plate 11 extends downwardly below the upper swing frame 1. More specifically, the upper fixed plate 11 is located between the upper swing frame 1 and the nuts and is provided with the upper fixed holes 111 which penetrate the upper fixed plate 11, the upper fixed holes 111 are matched with the upper studs 10, so that the upper fixed plate 11 is connected to the upper swing frame 1 and the two are locked by the nuts, the upper fixed holes 111 are arc-shaped and extend along the circumference of the first index circle 101, so as to facilitate the adjustment of the position of the upper fixed plate 11, each upper fixed hole 111 is matched with at least two upper studs 10, so as to ensure the connection strength, prevent the upper fixed plate 11 from being deviated and improve the positioning stability. Specifically, the lower end of the lower fixed plate 21 is fixed on the lower swing frame 2, and the upper end of the lower fixed plate 21 extends upwardly above the lower swing frame 2. More specifically, the lower fixed plate 21 is located between the lower swing frame 2 and the nuts and is provided with the lower fixed holes 211 which penetrate the lower fixed plate 21, the lower fixed holes 211 are matched with the lower studs 20, so that the lower fixed plate 21 is connected to the lower swing frame 2 and the two are locked by the nuts, the lower fixed holes 211 are arc-shaped and extend along the circumference of the second index circle 201, so as to facilitate the adjustment of the position of the lower fixed plate 21, each lower fixed hole 211 is matched with at least two lower studs 20, so as to ensure the connection strength, prevent the lower fixed plate 21 from being deviated and improve the positioning stability.

[0026] The upper fixed plate 11 is fixedly connected with an upper die plate 12 located below the upper swing frame 1. Specifically, the upper die plate 12 is fixed to the bottom surface of the upper fixed plate 11, and more specifically, the upper die plate 12 is welded to the bottom surface of the upper fixed plate 11. The bottom surface of the upper die plate 12 integrally protrudes downward to form a plurality of upper convex dies 121. The plurality of upper convex dies 121 are arranged along the length direction of the steel plate spring quenching clamp. The bottom surface of the plurality of upper convex dies 121 forms an upper forming surface 120. The shape of the upper forming surface 120 is adapted to the plate surface of the steel plate spring. The lower fixed plate 21 is fixedly connected with a lower die plate 22 located above the lower swing frame 2. The center lines of symmetry of the lower die plate 22 and the upper die plate 12 are located on a first straight line (not shown). Correspondingly, the centers of the first indexing circle 101 and the second indexing circle 201 are located on the first straight line. Specifically, the lower die plate 22 is fixed to the top surface of the lower fixed plate 21, and more specifically, the lower die plate 22 is welded to the top surface of the lower fixed plate 21. The top surface of the lower die plate 22 integrally protrudes upward to form a plurality of lower convex dies 221. The lower convex dies 221 are located below the upper convex dies 121. In this embodiment, the lower convex dies 221 and the upper convex dies 121 are both in the form of teeth. One lower convex die 221 corresponds to one upper convex die 121. The top surface of the plurality of lower convex dies 221 forms a lower forming surface 220. The shape of the lower forming surface 220 is adapted to the other plate surface of the steel plate spring. By integrally protruding downward from the bottom surface of the upper die plate 12 to form a plurality of upper convex dies 121, and integrally protruding upward from the top surface of the lower die plate 22 to form a plurality of lower convex dies 221, that is, the plurality of upper convex dies 121 are integrally formed with the upper die plate 12, and the plurality of lower convex dies 221 are integrally formed with the lower die plate 22, thereby improving the positioning accuracy and stability, preventing the deformation of the steel plate spring, and directly fixing the upper die plate 12 and the lower die plate 22 on the upper swing frame 1 and the lower swing frame 2 respectively during use, which eliminates the need to adjust the curvature of the forming surface, reduces the process of adjusting the curvature of the forming surface, reduces the die setting time, and further improves the production efficiency.

[0027] To improve the structural strength, a plurality of upper reinforcing ribs 112 are provided between the upper fixed plate 11 and the upper die plate 12 and are welded to both. The plurality of upper reinforcing ribs 112 are distributed along the length direction of the upper fixed plate 11. An upper through hole 113 is formed in the plate surface of the upper fixed plate 11 between each adjacent two upper reinforcing ribs 112 and penetrates the upper fixed plate 11. The design of the upper through hole 113 can reduce the weight of the upper fixed plate 11. A plurality of lower reinforcing ribs 212 are provided between the lower fixed plate 21 and the lower die plate 22 and are welded to both. The plurality of lower reinforcing ribs 212 are distributed along the length direction of the lower fixed plate 21. A lower through hole 213 is formed in the plate surface of the lower fixed plate 21 between each adjacent two lower reinforcing ribs 212 and penetrates the lower fixed plate 21. The provision of the lower through hole 213 can reduce the weight of the lower fixed plate 21. To further reduce the weight, a through hole is formed in each upper reinforcing rib 112 and lower reinforcing rib 212 and penetrates the thickness direction thereof.

[0028] The steel plate spring quenching clamp is characterized in that a plurality of upper convex dies are integrally formed on the bottom surface of the upper die plate and a plurality of lower convex dies are integrally formed on the top surface of the lower die plate, one lower convex die corresponds to one upper convex die, the plurality of upper convex dies are integrally formed with the upper die plate, the plurality of lower convex dies are integrally formed with the lower die plate, the positioning precision and stability are improved, and the upper die plate and the lower die plate can be directly fixed on the upper swing frame and the lower swing frame respectively during use, so that the radius of the forming surface does not need to be adjusted, the process of adjusting the radius of the forming surface is reduced, and the production efficiency is further improved.

[0029] The above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent substitutions for part of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A steel plate spring quenching jig characterized by, The upper swing frame and the lower swing frame are arranged in a staggered manner. The upper swing frame is fixedly connected with an upper fixed plate, and the upper fixed plate is fixedly connected with an upper die plate located below the upper swing frame. The lower swing frame is fixedly connected with a lower fixed plate, and the lower fixed plate is fixedly connected with a lower die plate located above the lower swing frame.

2. The steel leaf spring quenching fixture of claim 1 wherein, The outer surface of the upper swing frame is fixed with an upper stud, the upper stud extends outward and is connected with a nut, the upper fixed plate is located between the upper swing frame and the nut and is provided with an upper fixed hole penetrating therethrough, the upper fixed hole is matched with the upper stud, so that the upper fixed plate is connected to the upper swing frame and locked by the nut.

3. The steel leaf spring quenching fixture of claim 2 wherein, The upper stud has a plurality of upper studs distributed along the length direction of the steel plate spring quenching fixture and located on a first index circle, the upper fixed hole is arc-shaped and extends along the circumference of the first index circle, and the upper fixed hole has a plurality of upper fixed holes each matched with at least two upper studs.

4. The steel leaf spring quenching fixture of claim 1 wherein, The outer surface of the lower swing frame is fixed with a lower stud, the lower stud extends outward and is connected with a nut, the lower fixed plate is located between the lower swing frame and the nut and is provided with a lower fixed hole penetrating therethrough, the lower fixed hole is matched with the lower stud, so that the lower fixed plate is connected to the lower swing frame and locked by the nut.

5. The steel leaf spring quenching fixture of claim 4 wherein, The lower stud has a plurality of lower studs distributed along the length direction of the steel plate spring quenching fixture and located on a second index circle, the lower fixed hole is arc-shaped and extends along the circumference of the second index circle, and the lower fixed hole has a plurality of lower fixed holes each matched with at least two lower studs.

6. The steel leaf spring quenching fixture of claim 1 wherein, The upper fixed plate and the lower fixed plate are respectively provided with a plurality of upper fixed holes and a plurality of lower fixed holes penetrating therethrough, the plurality of upper fixed holes and the plurality of lower fixed holes are distributed along the length direction of the steel plate spring quenching fixture and respectively located on a first index circle and a second index circle, the symmetry center lines of the upper die plate and the lower die plate are located on a first straight line, the centers of the first index circle and the second index circle are located on the first straight line, the upper fixed hole is provided with an upper stud for connecting the upper swing frame and the upper fixed plate, and the lower fixed hole is provided with a lower stud for connecting the lower swing frame and the lower fixed plate.

7. The steel leaf spring quenching fixture of claim 1 wherein, The bottom surface of the upper swing frame and the top surface of the lower swing frame are arc-shaped, the upper end of the upper fixed plate is fixed on the upper swing frame, the lower end of the upper fixed plate extends downward below the upper swing frame, and the upper mold plate is fixed on the bottom surface of the upper fixed plate; the lower end of the lower fixed plate is fixed on the lower swing frame, the upper end of the lower fixed plate extends upward above the lower swing frame, and the lower mold plate is fixed on the top surface of the lower fixed plate.

8. The steel leaf spring quenching fixture of claim 1 wherein, The upper punch and the lower punch are both tooth-shaped.

9. The steel leaf spring quenching fixture of claim 1 wherein, A plurality of upper reinforcing ribs are arranged between the upper fixed plate and the upper mold plate and welded to both, the plurality of upper reinforcing ribs are distributed along the length direction of the upper fixed plate, the plate surface of the upper fixed plate is provided with an upper through hole penetrating the upper fixed plate between each two adjacent upper reinforcing ribs, and the upper mold plate is welded to the bottom surface of the upper fixed plate.

10. The steel leaf spring quenching fixture of claim 1 wherein, A plurality of lower reinforcing ribs are arranged between the lower fixed plate and the lower mold plate and welded to both, the plurality of lower reinforcing ribs are distributed along the length direction of the lower fixed plate, the plate surface of the lower fixed plate is provided with a lower through hole penetrating the lower fixed plate between each two adjacent lower reinforcing ribs, and the lower mold plate is welded to the top surface of the lower fixed plate.

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