Steel plate spring shot blasting treatment device

Abstract

The utility model relates to the technical field of steel plate spring manufacturing, in particular to a steel plate spring shot blasting treatment device which comprises a mounting seat, a supporting block, a connecting shell and a push plate, the number of the connecting shells is two, the two connecting shells are both installed on the inner side of the installation base in a sliding mode, and a tension spring used for resetting the connecting shells after the connecting shells slide towards the end of the installation base in the using state is arranged between the two connecting shells. The supporting block is installed in the middle of the top end of the installation base and located above the tension spring. The number of the limiting assemblies is two. The push plate drives the connecting shells to move towards the end of the mounting base, the two connecting shells stretch the tension spring and generate tension, after the plate spring is arranged on the supporting block and pressed, the two connecting shells are driven by the tension of the tension spring to move towards the middle of the mounting base, and the limiting assembly is connected with the plate spring. And the plate spring is fixed in the limiting assembly through the elastic force of the plate spring, so that the plate spring is convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steel plate spring manufacturing, specifically relates to a steel plate spring shot processing apparatus. BACKGROUND

[0002] In order to improve the fatigue life of steel plate spring, adopting stress shot processing is a kind of method of steel plate spring surface strengthening, and the plate spring needs to be pre-pressed under a certain loading force in the stress shot process.

[0003] The Chinese patent document with the authorized announcement number CN220051421U discloses a compression tool satisfying high stress shot of automobile plate spring, which comprises a compression tool body, characterized in that the bottom of the compression tool body is provided with a bottom support device, the left and right ends of the bottom support device are provided with compression devices, the compression devices are connected with the inside of the bottom support device and slide therebetween, the middle upper end of the bottom support device is provided with a center pad plate, the middle of the automobile plate spring is located on the upper end of the center pad plate, and the ears arranged at the two ends of the automobile plate spring are located below the compression devices.

[0004] However, in the above-mentioned scheme, the automobile plate spring is connected with the sliding horizontal pressure plate through the elastic force by moving the compression device to the middle of the compression tool body, so as to fix the automobile plate spring, but when in use, the compression tool body needs to be moved to the shot gun, so that the two ends of the compression tool body need to be provided with pushing equipment and pulling equipment to move the compression device, which makes the movement of the compression device more inconvenient, and makes the disassembly of the automobile plate spring more inconvenient. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a steel plate spring shot processing apparatus.

[0006] The technical scheme of the utility model: a steel plate spring shot processing apparatus, comprising a mounting seat, a supporting block, a connecting shell and a push plate.

[0007] The number of connecting shells is two, both of which are slidingly installed on the inside of the mounting seat, and a tension spring is arranged between the two connecting shells for resetting the connecting shells after sliding to the end of the mounting seat in the use state.

[0008] The supporting block is installed on the top end of the mounting seat and above the tension spring.

[0009] The number of limiting assemblies is two, both of which are installed on the top of one end of a connecting shell and symmetrically arranged.

[0010] The push plate is arranged on the side face bottom end of the limiting assembly and extends to the side face of the mounting seat, and the side face is connected with the external pushing device to move the limiting assembly to the end of the mounting seat.

[0011] Preferably, the supporting block comprises a fixing plate, a connecting plate, a supporting plate and a pin shaft;

[0012] The fixing plate is fixedly installed in the middle of the top end of the mounting seat;

[0013] The number of the connecting plates is multiple, and the multiple connecting plates are arranged equidistantly in the middle of the top end of the fixing plate;

[0014] The supporting plate is installed at the top end of the connecting plate and is inserted between the multiple connecting plates at the bottom end;

[0015] The pin shaft is inserted at the bottom end of the connecting plate and the supporting plate.

[0016] Preferably, the connecting shell comprises a shell and a mounting plate;

[0017] The shell is slidingly installed at the inner side of the mounting seat and is connected with the tension spring at the end;

[0018] The mounting plate is installed at the top end of one end of the shell.

[0019] Preferably, the two sides of the shell are provided with first sliding strips, the two walls of the inner side of the mounting seat are provided with second sliding grooves, and the first sliding strips are accommodated in the second sliding grooves in the cooperation and installation state of the shell and the mounting seat.

[0020] Preferably, the limiting assembly comprises a limiting plate, a bolt and a connecting block;

[0021] The connecting block is installed at the top end of the mounting plate through the bolt;

[0022] The limiting plate is installed at the top end of the connecting block.

[0023] Preferably, the middle of the top end of the mounting plate is provided with a threaded hole, and the end of the bolt is accommodated in the threaded hole in the cooperation and installation state of the connecting block and the mounting plate.

[0024] Preferably, the bottom end of the connecting block is provided with a second sliding strip, and the two sides of the top end of the mounting plate are provided with first sliding grooves, and the end of the second sliding strip is accommodated in the first sliding groove in the cooperation and installation state of the connecting block and the mounting plate.

[0025] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0026] The utility model discloses the end of the mounting seat is moved to two connecting shells with the push plate drive and the connecting shell, and two connecting shells are stretched to the tension spring and produce the tension, and the tension of the tension spring drives two connecting shells to move to the middle of the mounting seat after the leaf spring is pressed on the supporting block and is pressed, makes the limiting assembly with the leaf spring connection, and makes the leaf spring fixed in the limiting assembly through the elastic force of itself, so that the disassembly of the leaf spring is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1-2 are all perspective views of an embodiment of the utility model.

[0028] Fig. 3 is a connecting shell structure schematic view in an embodiment of the utility model.

[0029] Fig. 4 is a limiting assembly structure schematic view in an embodiment of the utility model.

[0030] Fig. 5 is an explosion schematic view of the supporting block structure in an embodiment of the utility model.

[0031] Reference Signs: 1, mounting seat, 2, supporting block, 21, fixed plate, 22, connecting plate, 23, support plate, 24, pin shaft, 3, connecting shell, 31, shell, 32, first sliding bar, 33, threaded hole, 34, first sliding slot, 35, mounting plate, 4, limiting assembly, 41, limiting plate, 42, bolt, 43, connecting block, 44, second sliding bar, 5, push plate, 6, tension spring, 7, second sliding slot. DETAILED DESCRIPTION

[0032] Embodiment one

[0033] As Fig. 1-5 shown, the utility model discloses a steel plate spring shot blasting device, including mounting seat 1, supporting block 2, connecting shell 3 and push plate 5.

[0034] The quantity of connecting shell 3 has two, and two connecting shell 3 are all slidingly installed in the inside of mounting seat 1, and the two connecting shell 3 between being equipped with the tension spring 6 for in the use state, connecting shell 3 is reset after sliding to the end of mounting seat 1.

[0035] Supporting block 2 is installed in the top end middle part of mounting seat 1 and is located above tension spring 6.

[0036] The quantity of limiting assembly 4 has two, and two limiting assembly 4 are installed respectively in the top of one end of a connecting shell 3, and two limiting assembly 4 are arranged symmetrically.

[0037] Push plate 5 is arranged in the side face bottom end of limiting assembly 4 and extends to the side face of mounting seat 1, and the side face is connected with external pushing device and moves limiting assembly 4 to the end of mounting seat 1, wherein, external pushing device can be selected.

[0038] In this embodiment, a hydraulic cylinder pushes two push plates 5 at the middle of the side of the mounting base 1 to slide simultaneously toward the end of the mounting base 1. The push plates 5 drive the limiting component 4 to move, and the limiting component 4 drives the connecting shell 3 to move inside the mounting base 1 toward the end of the mounting base 1. The two connecting shells 3 simultaneously stretch the tension spring 6 and generate tension force, placing the leaf spring above the support block 2. At the same time, an external pressing device, such as a vertically set hydraulic cylinder, presses and bends both ends of the leaf spring, and then the hydraulic cylinder retracts and resets. The tension spring 6 drives the two connecting shells 3 to move toward the middle of the mounting base 1 along with the hydraulic cylinder, so that the connecting shells 3 drive the limiting component 4 to move to the end of the leaf spring, and separates the external pressing device from the leaf spring, so that the end of the leaf spring is installed in the limiting component 4, and the leaf spring is fixed in the limiting component 4 by its own elasticity. At the same time, the mounting base 1 is moved toward the shot peening gun to perform shot peening.

[0039] Example 2

[0040] like Fig. 5 As shown, the present invention proposes a shot peening device for steel plate springs. Compared with the first embodiment, the difference in this embodiment is that the support block 2 includes a fixed plate 21, a connecting plate 22, a support plate 23, and a pin 24.

[0041] The fixing plate 21 is fixedly installed at the top center of the mounting base 1 and located above the ends of the tension spring 6 and the connecting shell 3 to protect the tension spring 6 during use and prevent steel shot from contacting the tension spring 6.

[0042] There are multiple connecting plates 22, which are arranged at equal intervals at the top center of the fixing plate 21;

[0043] The support plate 23 is installed on the top of the connecting plate 22 and its bottom end is inserted between multiple connecting plates 22;

[0044] Pin 24 is inserted into the bottom of connecting plate 22 and support plate 23.

[0045] In this embodiment, the connecting plate 22 and the support plate 23 are detachably connected by the pin 24, so that the height and shape of the support plate 23 can be changed, and the support plate 23 can be adapted to leaf springs of different shapes. At the same time, the number of connecting plates 22 is multiple, so that the connection between the support plate 23 and the connecting plate 22 is more stable.

[0046] Example 3

[0047] like Fig. 3 As shown, the present invention proposes a shot peening device for steel plate springs. Compared with the first embodiment, the difference in this embodiment is that the connecting shell 3 includes a shell 31 and a mounting plate 35.

[0048] The housing 31 is slidably mounted on the inner side of the mounting base 1 and its end is connected to the tension spring 6, wherein one end of the housing 31 is located below the fixing plate 21;

[0049] Mounting plate 35 is mounted on the top of one end of housing 31.

[0050] It should be noted that the housing 31 is provided with first slide bars 32 on both sides, and the inner walls of the mounting base 1 are provided with second slide grooves 7. When the housing 31 and the mounting base 1 are installed together, the first slide bars 32 are fitted and accommodated in the second slide grooves 7.

[0051] In this embodiment, the first slide bar 32 is installed in conjunction with the second slide groove 7, so that the housing 31 moves along the length direction of the mounting base 1 and the housing 31 has resistance to moving up and down. Furthermore, since one end of the housing 31 is located below the fixing plate 21, it avoids the situation where the housing separates from the mounting base 1 after a long movement distance.

[0052] Example 4

[0053] like Fig. 4 As shown, the present invention proposes a shot peening device for steel plate springs. Compared with the first embodiment, the difference in this embodiment is that the limiting component 4 includes a limiting plate 41, a bolt 42, and a connecting block 43.

[0054] The connecting block 43 is mounted on the top of the mounting plate 35 by bolts 42;

[0055] The limiting plate 41 is installed on the top of the connecting block 43. The side of the limiting plate 41 has a notch for connecting with the end of the leaf spring. The limiting plate 41 and the connecting block 43 are arranged integrally so that the limiting plate 41 has high strength during use.

[0056] It should be noted that a threaded hole 33 is provided at the top center of the mounting plate 35. When the connecting block 43 and the mounting plate 35 are installed together, the end of the bolt 42 is fitted and accommodated in the threaded hole 33.

[0057] It should be noted that the bottom end of the connecting block 43 is provided with a second slide bar 44, and both sides of the top end of the mounting plate 35 are provided with a first slide groove 34. When the connecting block 43 and the mounting plate 35 are installed together, the end of the second slide bar 44 is fitted and accommodated in the first slide groove 34.

[0058] In this embodiment, the connecting block 43 and the connecting shell 3 are detachably connected by bolts 42, so that the height and shape of the limiting plate 41 can be replaced, and the second slide bar 44 is connected to the first slide groove 34 to improve the connection stability between the connecting block 43 and the connecting shell 3.

[0059] In summary, the utility model discloses, and through the hydraulic cylinder push two push board 5 slide to the end of mounting seat 1 simultaneously, and push board 5 drive limit component 4 move, and make limit component 4 drive connecting shell 3 in the inside of mounting seat 1 to the end of mounting seat 1 move, make two connecting shell 3 move to the back of the stretch of tension spring 6 and produce tension, and place flat spring in the upper of support block 2, simultaneously through external pressing device such as the hydraulic cylinder of vertical setting and press the bending of both ends of flat spring, make the end of flat spring lower than the top end of the notch of limit board 41, will hydraulic cylinder shrink reset, and tension spring 6 drive two connecting shell 3 follow hydraulic cylinder to the middle of mounting seat 1 move through tension, make connecting shell 3 drive limit component 4 move to the end of flat spring, make the end of flat spring insert in the notch of limit board 41, and separate external pressing device with flat spring, make flat spring through self -elasticity and fix in the notch of limit board 41, simultaneously move mounting seat 1 to shot -blasting gun, make flat spring carry out shot -blasting work.

[0060] The above detailed description of the embodiments of the utility model is combined with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A shot peening device for steel leaf springs, characterized in that, It comprises a mounting base (1), a supporting block (2), a connecting shell (3) and a push plate (5); The connecting shell (3) is provided with two, both of which are slidingly installed on the inner side of the mounting base (1), and a tension spring (6) is arranged between the two connecting shells (3) for resetting the connecting shell (3) after sliding to the end of the mounting base (1) in the use state; The supporting block (2) is installed on the top end of the mounting base (1) and above the tension spring (6); The limiting assembly (4) is provided with two, both of which are installed on the top end of one connecting shell (3), and the two limiting assemblies (4) are symmetrically arranged; The push plate (5) is arranged on the side bottom end of the limiting assembly (4) and extends to the side of the mounting base (1), and the side is connected with the external pushing device to move the limiting assembly (4) to the end of the mounting base (1).

2. A device for shot blasting a steel plate spring according to claim 1, characterized in that The supporting block (2) comprises a fixed plate (21), a connecting plate (22), a supporting plate (23) and a pin shaft (24); The fixed plate (21) is fixedly installed on the top end of the mounting base (1); The connecting plate (22) is provided with multiple, which are arranged at equal distances on the top end of the fixed plate (21); The supporting plate (23) is installed on the top end of the connecting plate (22) and is inserted between the multiple connecting plates (22) at the bottom end; The pin shaft (24) is inserted at the bottom end of the connecting plate (22) and the supporting plate (23).

3. A device for shot peening a leaf spring according to claim 1, wherein The connecting shell (3) comprises a shell (31) and a mounting plate (35); The shell (31) is slidingly installed on the inner side of the mounting base (1) and connected with the tension spring (6) at the end; The mounting plate (35) is installed on the top end of the shell (31).

4. A device for shot blasting a steel plate spring according to claim 3, characterized in that Both sides of the shell (31) are provided with first sliding strips (32), and both walls of the inner side of the mounting base (1) are provided with second sliding grooves (7), in the cooperating installation state of the shell (31) and the mounting base (1), the first sliding strips (32) are cooperatively accommodated in the second sliding grooves (7).

5. A device for shot peening a leaf spring according to claim 3, wherein The limiting assembly (4) comprises a limiting plate (41), a bolt (42) and a connecting block (43); The connecting block (43) is installed on the top end of the mounting plate (35) through the bolt (42); The limiting plate (41) is installed on the top end of the connecting block (43).

6. A steel plate spring shot blasting device according to claim 5, wherein The top end of the mounting plate (35) is provided with a threaded hole (33), in the cooperating installation state of the connecting block (43) and the mounting plate (35), the end of the bolt (42) is cooperatively accommodated in the threaded hole (33).

7. A device for shot peening a leaf spring according to claim 5, wherein The bottom end of the connecting block (43) is provided with a second sliding strip (44), and both sides of the top end of the mounting plate (35) are provided with first sliding grooves (34), in the cooperating installation state of the connecting block (43) and the mounting plate (35), the end of the second sliding strip (44) is cooperatively accommodated in the first sliding groove (34).

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