Double-flat milling tool for piston rod of shock absorber

Abstract

The utility model discloses a shock absorber piston rod double-flat milling tool and belongs to the field of metal processing.The shock absorber piston rod double-flat milling tool comprises a machining table, a supporting mechanism used for fixing a piston rod is arranged on the machining table, a first sliding groove is formed in the machining table, and a first supporting block is fixedly installed at the end, close to a lifting telescopic tool bit assembly, of the first sliding groove; a second supporting block matched with the first supporting block is movably installed at the end, away from the first supporting block, of the first sliding groove, the first supporting block and the second supporting block are each provided with a V-shaped clamping groove matched with the piston rod, and a supporting plate arranged in the shape of the Arabic numeral seven is fixedly installed on the portion, on one side of the first sliding groove, of the machining table. An air cylinder is fixedly installed on the supporting plate, and a pressing block extending towards the position over the first sliding groove is fixedly installed at the output end of the air cylinder.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of metal processing, in particular to a double-milling tool for a shock absorber piston rod. BACKGROUND

[0002] The electromagnetic valve shock absorber piston rod is a key component in the electromagnetic valve shock absorber, which plays a crucial role in the operation of the shock absorber. The electromagnetic valve shock absorber piston rod is usually made of high-strength steel to ensure its sufficient strength and wear resistance. Its structure includes a rod body and a connecting end, the rod body is smooth and has a certain length to adapt to the working stroke of the shock absorber. The connecting end is designed to connect with other components of the shock absorber to ensure the stable movement of the piston rod in the shock absorber.

[0003] In order to facilitate the connection of the connecting end, the piston rod end usually needs to be double-milled and flattened, however, the existing machining tool only uses a simple clamp to fix the piston rod body when fixing it, which may cause the piston rod to be not fixed firmly and result in low machining precision.

[0004] Therefore, the application provides a double-milling tool for a shock absorber piston rod to solve the above problems. CONTENT OF THE INVENTION

[0005] The application provides a double-milling tool for a shock absorber piston rod, which aims to solve the problem that the existing machining tool only uses a simple clamp to fix the piston rod body when fixing it, which may cause the piston rod to be not fixed firmly and result in low machining precision.

[0006] To achieve the above purpose, the application provides the following technical solution: a double-milling tool for a shock absorber piston rod, comprising a machining table and two symmetrically arranged tool holders fixedly installed on the machining table, a lifting and telescopic tool head assembly is arranged on the opposite surface of each tool holder, a milling cutter for double-milling and flattening the piston rod end is installed on the opposite surface of each lifting and telescopic tool head assembly, and a supporting mechanism for fixing the piston rod is arranged on the machining table.

[0007] The first sliding groove is provided with a first supporting block fixedly installed at one end close to the lifting telescopic tool head assembly, and a second supporting block movably installed at the other end away from the first supporting block and matched with the first supporting block, and the first supporting block and the second supporting block are both provided with a V-shaped clamping groove matched with the piston rod.

[0008] Preferably, in order to stabilize the piston rod, the pressing block is provided with a V-shaped pressing groove matched with the piston rod at one end close to the workbench top, and the inner wall of the pressing groove is provided with a tooth groove. Thus, the piston rod is prevented from rotating, and the stability is improved.

[0009] Preferably, in order to press the piston rod, the clamping groove and the pressing groove are both provided with a depth smaller than the radius of the piston rod. Thus, the piston rod is prevented from loosening due to the direct contact between the pressing block and the first supporting block and the second supporting block.

[0010] Preferably, in order to adjust, the first sliding groove is rotatably installed with a first screw rod, the first screw rod is screwed with a moving block, the moving block is fixedly connected with the second supporting block, and one end of the first screw rod extends outside the workbench through one end of the first sliding groove and is fixedly installed with a first knob at the end. Thus, the machining of piston rods with different lengths can be adapted.

[0011] Preferably, in order to position, the tooling further comprises a positioning mechanism, the positioning mechanism comprises a second sliding groove provided on one side of the workbench close to the lifting telescopic tool head assembly, a second screw rod rotatably installed in the second sliding groove, one end of the second screw rod extending outside the workbench through the second sliding groove and being fixedly installed with a second knob at the end, a supporting column screwed on the second screw rod, and a thin baffle fixedly installed on the supporting column and extending towards the middle position between the two lifting telescopic tool head assemblies. Thus, the piston rod can be quickly positioned.

[0012] Preferably, in order to clean up, two said lifting telescopic tool head assemblies are fixedly installed with arches, the arches are fixedly installed with spray heads arranged towards the middle positions of the two lifting telescopic tool head assemblies, and the machining table is fixedly installed with an inclined slope plate arranged towards the support post at a position between the two lifting telescopic tool head assemblies and below the spray heads, and the slope plate is provided with a gap slot matched with the second sliding slot. Metal scraps fall to the bottom end along the slope plate mixed with cooling liquid, facilitating recycling.

[0013] The tool, moving the second supporting block, adjusts the distance between the second supporting block and the first supporting block, then places the piston rod in the clamping groove on the first supporting block and the second supporting block, then starts the air cylinder, and the air cylinder drives the pressing block to move downward to press and cover the piston rod, so that the piston rod is stably fixed on the machining table, and then the end of the piston rod is processed by double-side milling to be flat, which is more stable and reliable and improves the processing precision.

[0014] The tool, rotating the second knob, drives the second screw rod to rotate in the second sliding slot, drives the thin baffle on the support post to move on the second sliding slot, changes the distance between the thin baffle and the first supporting block, and thus adjusts the distance of the processing surface for the piston rod end of different lengths, facilitating quick positioning of the piston rod. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front structure schematic view of a shock absorber piston rod double-flattening milling tool.

[0016] Figure 2 It is a back structure schematic view of a shock absorber piston rod double-flattening milling tool.

[0017] Figure 3 It is a cross-sectional structure schematic view of a shock absorber piston rod double-flattening milling tool.

[0018] Figure 4 It is a cross-sectional structure schematic view of a shock absorber piston rod double-flattening milling tool.

[0019] In the figure:

[0020] 1, machining table; 2, tool holder; 3, lifting telescopic tool head assembly; 4, milling cutter; 5, supporting mechanism; 51, first sliding slot; 52, first screw rod; 53, first supporting block; 54, second supporting block; 55, moving block; 56, first knob; 57, clamping groove; 58, support plate; 59, air cylinder; 510, pressing block; 511, pressing groove; 512, tooth groove; 6, positioning mechanism; 61, second sliding slot; 62, second screw rod; 63, second knob; 64, support post; 65, thin baffle; 7, arch; 71, spray head; 72, inclined slope plate; 73, gap slot. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0022] Embodiment 1

[0023] The embodiment provides a shock absorber piston rod milling double-flat tool, as shown in the drawings, the tool comprises a machining table 1 and two symmetrical knife holders 2 fixedly installed on the machining table 1, a lifting telescopic tool head assembly 3 is arranged on the opposite surface of each of the two knife holders 2, a milling cutter 4 for double-face milling of the end of the piston rod is installed on the opposite surface of each of the two lifting telescopic tool head assemblies 3, and a supporting mechanism 5 for fixing the piston rod is arranged on the machining table 1. Figures 1-4 A first sliding groove 51 is formed in the machining table 1, a first supporting block 53 is fixedly installed on one end of the first sliding groove 51 close to the lifting telescopic tool head assembly 3, a second supporting block 54 matched with the first supporting block 53 is movably installed on the other end of the first sliding groove 51 away from the first supporting block 53, V-shaped clamping grooves 57 matched with the piston rod are formed in the first supporting block 53 and the second supporting block 54, a supporting plate 58 in the shape of 7 is fixedly installed on one side of the first sliding groove 51, a pneumatic cylinder 59 is fixedly installed on the supporting plate 58, and a pressing block 510 extending upwards and arranged above the first sliding groove 51 is fixedly installed on the output end of the pneumatic cylinder 59.

[0024] In use, the second supporting block 54 is moved to adjust the distance between the second supporting block 54 and the first supporting block 53, then the piston rod is placed in the clamping grooves 57 on the first supporting block 53 and the second supporting block 54, then the pneumatic cylinder 59 is started, the pneumatic cylinder 59 drives the pressing block 510 to move downwards to press and cover the piston rod, so that the piston rod is stably fixed on the machining table 1, and then the end of the piston rod is double-face milled by the milling cutter 4, which is more stable and reliable and improves the machining precision.

[0025] Specifically, a V-shaped pressing groove 511 matched with the piston rod is formed in one end of the pressing block 510 towards the tabletop of the machining table 1, and a tooth groove 512 is formed in the inner side wall of the pressing groove 511. In use, when the pressing block 510 presses the outer wall of the piston rod, the piston rod is clamped and covered in the pressing groove 511, so that the piston rod is stably and reliably clamped, and the tooth groove 512 in the pressing groove 511 can increase the friction force with the piston rod, so that the piston rod is prevented from rotating, which is more stable and reliable.

[0026]

[0027] ​More specifically, the opening depth of the clamping groove 57 and the pressing groove 511 is less than the radius of the piston rod. In use, it is ensured that the clamping groove 57 and the pressing groove 511 can be clamped with the side wall of the piston rod, avoiding the loosening of the piston rod caused by the direct contact between the pressing block 510 and the first supporting block 53 and the second supporting block 54.

[0028] Further, the first sliding groove 51 is rotatably installed with a first screw rod 52, the first screw rod 52 is screwed with a moving block 55, the moving block 55 is fixedly connected with the second supporting block 54, and one end of the first screw rod 52 extends outside the processing table 1 through one end of the first sliding groove 51 and is fixedly installed with a first knob 56 at the end. In use, the first knob 56 is rotated to drive the first screw rod 52 to rotate, and the first screw rod 52 drives the moving block 55 to move in the first sliding groove 51, so as to adjust the distance between the second supporting block 54 and the first supporting block 53, so as to adapt to the processing of piston rods of different lengths.

[0029] Embodiment 2

[0030] Different from embodiment 1, when milling the end of the piston rod, the piston rod surface of different lengths needs to be positioned at the milling cutter 4, for this purpose, the tooling also includes a positioning mechanism 6, the positioning mechanism 6 includes a second sliding groove 61 opened on one side of the processing table 1 close to the lifting telescopic tool head assembly 3, a second screw rod 62 is rotatably installed in the second sliding groove 61, one end of the second screw rod 62 extends outside the processing table 1 through the second sliding groove 61 and is fixedly installed with a second knob 63 at the end, the second screw rod 62 is screwed with a supporting column 64, and the supporting column 64 is fixedly installed with a thin baffle 65 extending towards the middle position of the two lifting telescopic tool head assemblies 3. In use, the second knob 63 is rotated to drive the second screw rod 62 to rotate in the second sliding groove 61, drive the thin baffle 65 on the supporting column 64 to move on the second sliding groove 61, change the distance between the thin baffle 65 and the first supporting block 53, so as to adjust the distance of the processing surface for the piston rod end of different lengths, and facilitate the quick positioning of the piston rod.

[0031] Specifically, the two lifting telescopic tool head assemblies 3 are fixedly installed with an arch 7, the arch 7 is fixedly installed with a spray head 71 arranged towards the middle position of the two lifting telescopic tool head assemblies 3, and the processing table 1 is fixedly installed with an inclined plate 72 arranged obliquely towards the supporting column 64 at the middle position of the two lifting telescopic tool head assemblies 3 and below the spray head 71, and the inclined plate 72 is opened with a give way groove 73 matched with the second sliding groove 61. In use, the spray head 71 is connected with the cooling liquid supply end, and when milling, the spray head 71 flushes the milling cutter 4 part to achieve the purpose of cooling and protecting the milling cutter 4, and the falling cooling liquid also flushes the metal scraps falling on the inclined plate 72, and the metal scraps fall to the bottom along with the cooling liquid on the inclined plate 72, which is convenient for recycling.

[0032] The above merely provides the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and concept of the present application, can make equivalent replacements or changes within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A shock absorber piston rod milling double flat tooling, comprising a machining table (1) and two symmetrically arranged tool holders (2) fixedly installed on the machining table (1), a lifting telescopic cutter head assembly (3) is arranged on the opposite side of each of the two tool holders (2), a milling cutter (4) for double-sided milling of the piston rod end is installed on the opposite side of each of the two lifting telescopic cutter head assemblies (3), a supporting mechanism (5) for fixing the piston rod is arranged on the machining table (1), characterized in that: a first sliding groove (51) is formed on the machining table (1), a first supporting block (53) is fixedly installed on one end of the first sliding groove (51) close to the lifting telescopic cutter head assembly (3), a second supporting block (54) matched with the first supporting block (53) is movably installed on the other end of the first sliding groove (51) away from the first supporting block (53), a V-shaped clamping groove (57) matched with the piston rod is formed on the first supporting block (53) and the second supporting block (54), a 7-shaped supporting plate (58) is fixedly installed on one side of the first sliding groove (51) of the machining table (1), a pneumatic cylinder (59) is fixedly installed on the supporting plate (58), and a pressing block (510) extending upwards of the first sliding groove (51) is fixedly installed on the output end of the pneumatic cylinder (59).

2. The double flat milling tooling for a shock absorber piston rod of claim 1, wherein: A V-shaped pressing groove (511) matched with the piston rod is formed on one end of the pressing block (510) towards the table top of the machining table (1), and a tooth groove (512) is formed on the inner side wall of the pressing groove (511).

3. The double flat milling fixture for a shock absorber piston rod according to claim 2, characterized in that: The opening depth of the clamping groove (57) and the pressing groove (511) is less than the radius of the piston rod.

4. The double flat milling tooling for a shock absorber piston rod of claim 1 wherein: A first screw rod (52) is rotatably installed in the first sliding groove (51), a moving block (55) is screwed on the first screw rod (52), the moving block (55) is fixedly connected with the second supporting block (54), and one end of the first screw rod (52) extends outside the machining table (1) through one end of the first sliding groove (51) and is fixedly installed with a first knob (56) at the end.

5. The double flat milling tooling for a shock absorber piston rod of claim 1 wherein: The tooling further comprises a positioning mechanism (6), the positioning mechanism (6) comprises a second sliding groove (61) formed on one side of the machining table (1) close to the lifting telescopic cutter head assembly (3), a second screw rod (62) is rotatably installed in the second sliding groove (61), one end of the second screw rod (62) extends outside the machining table (1) through the second sliding groove (61) and is fixedly installed with a second knob (63) at the end, a supporting column (64) is screwed on the second screw rod (62), and a thin baffle (65) extending towards the middle position of the two lifting telescopic cutter head assemblies (3) is fixedly installed on the supporting column (64).

6. A double flat milling fixture for a shock absorber piston rod according to claim 5, characterized in that: Two said lifting telescopic tool head assemblies (3) are fixedly installed with arch frames (7), the arch frames (7) are fixedly installed with spray heads (71) arranged towards the middle positions of the two lifting telescopic tool head assemblies (3), and the processing table (1) is fixedly installed with an inclined slope plate (72) arranged towards the support column (64) at a position between the two lifting telescopic tool head assemblies (3) and below the spray heads (71), and the slope plate (72) is provided with a giving-way slot (73) matched with the second sliding groove (61).

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