Machining tool for pushing jack piston rod

Abstract

The utility model relates to the technical field of pushing jack piston rod machining, in particular to a machining tool for a pushing jack piston rod. Due to the fact that the machining tool is arranged between the chuck and the piston rod and comprises the clamping body and the connecting piece, the first end of the clamping body is the cylinder, the circumferential direction of the cylinder is clamped to the multi-point clamping jaw of the chuck, the second end of the clamping body is concaved inwards to form the containing space, and the flat portion of the piston rod stretches into the containing space and abuts against the abutting portion in the containing space. The connecting piece extends into the pin hole of the flat part of the piston rod to be detachably connected with the second end of the clamping body so as to be matched with the clamping body to clamp the flat part of the piston rod, then heat treatment can be conducted after the flat part of the piston rod is machined, and the mechanical performance of the flat part of the piston rod is guaranteed; and then the machining tool is used for clamping the flat part of the piston rod, and the multi-point clamping jaw on the chuck can be stably clamped on the cylinder of the machining tool, so that the machining precision of the magnetic ring hole is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of processing a piston rod of a push jack, in particular to a processing tool for the piston rod of a push jack. Background Art

[0002] The traditional production process of the piston rod of the push jack includes steps such as material preparation, processing, heat treatment, and coating. The piston rod in the push jack of the electro-hydraulic control bracket usually includes a flat portion and a magnetic ring hole. There are many problems in processing the magnetic ring hole of the piston rod with a flat portion after heat treatment.

[0003] In the prior art, one method is to process the magnetic ring hole first and then the flat part of the piston rod. However, the tempering layer around the flat part will be removed after processing, resulting in a decrease in mechanical strength. After a period of use, it will deform, affecting product performance and appearance. Another method is to process the flat part of the piston rod first and then the magnetic ring hole. However, when processing the magnetic ring hole, the existing three-jaw chuck can only clamp two points on the circumference of the flat part, which cannot guarantee the stability of clamping, and thus cannot guarantee the processing accuracy of the magnetic ring hole.

[0004] Therefore, there is an urgent need for a tooling that can ensure both the mechanical hardness of the piston rod flat portion and the machining accuracy of the magnetic ring hole. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a processing tool for pushing the piston rod of a jack, which solves the technical problem that the mechanical hardness of the flat portion of the piston rod and the processing accuracy of the magnetic ring hole cannot be guaranteed at the same time.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0009] An embodiment of the utility model provides a processing tool for pushing the piston rod of a jack, and the processing tool can be arranged between a chuck and a piston rod; the processing tool comprises a clamping body and a connecting piece, the first end of the clamping body is a cylinder, and the circumference of the cylinder can be clamped to the multi-point claws of the chuck; the second end of the clamping body is concave to form a accommodating space, and the accommodating space can receive the flat part of the piston rod, and the abutting part in the accommodating space can abut against the flat part of the piston rod; the connecting piece extends into the pin hole of the flat part of the piston rod and is detachably connected to the second end of the clamping body, so as to cooperate with the clamping body to clamp the flat part of the piston rod.

[0010] Preferably, the connecting member includes a connecting rod and two bolts; openings are provided at both ends of the connecting rod, the connecting rod passes transversely through the pin hole of the flat portion of the piston rod, and the two bolts pass through the openings respectively and are detachably connected to the second end of the clamping body.

[0011] Preferably, the opening directions of the two openings are perpendicular.

[0012] Preferably, an abutment ring is protruded outwardly from the middle of the connecting rod along the circumference of the connecting rod, and the abutment ring abuts against the pin hole of the flat portion of the piston rod.

[0013] Preferably, it also includes an abutment screw; a threaded through hole is opened in the middle of the first end of the clamping body, the threaded through hole is connected to the accommodating space, the abutment screw is threadedly connected to the threaded through hole, the abutment end of the abutment screw extends out of the threaded through hole and is located in the accommodating space; the abutment end of the abutment screw is the abutment part, and the abutment end of the abutment screw abuts against the center hole of the flat part of the piston rod.

[0014] Preferably, the accommodating space is a stepped space, and the stepped space is adapted to the flat portion of the piston rod.

[0015] Preferably, the material of the clamping body is alloy steel.

[0016] (III) Beneficial effects

[0017] The beneficial effects of the utility model are:

[0018] The utility model discloses a processing tool for pushing the piston rod of a jack. Since the processing tool is arranged between a chuck and a piston rod, the processing tool comprises a clamping body and a connecting piece. The first end of the clamping body is a cylinder. The circumferential direction of the cylinder is clamped to the multi-point clamping claws of the chuck. The second end of the clamping body is concave to form an accommodating space. The flat part of the piston rod extends into the accommodating space and abuts against the abutting part in the accommodating space. The connecting piece extends into the pin hole of the flat part of the piston rod and is detachably connected with the second end of the clamping body to cooperate with the clamping body to clamp the flat part of the piston rod. Then, the flat part of the piston rod can be heat treated after being processed first, thereby ensuring the mechanical properties of the flat part of the piston rod. When processing the magnetic ring hole, the flat part of the piston rod is clamped by the processing tool. The multi-point clamping claws on the chuck can be stably clamped on the cylinder of the processing tool, thereby ensuring the stability of clamping and thus ensuring the processing accuracy of the magnetic ring hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the processing tooling;

[0020] Figure 2 for Figure 1 Schematic diagram of the decomposition of

[0021] Figure 3 This is a structural diagram of the processing tooling application.

[0022] [Description of Reference Numerals]

[0023] 1: processing tool; 11: clamping body; 111: cylinder; 112: accommodating space; 12: connecting piece; 121: connecting rod; 122: bolt; 123: opening; 124: abutment ring; 13: abutment screw;

[0024] 2: Chuck;

[0025] 3: piston rod; 31: flat part; 32: magnetic ring hole. DETAILED DESCRIPTION

[0026] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0027] like Figure 1-Figure 2 As shown, this embodiment provides a processing tool for pushing the piston rod of a jack, wherein the processing tool 1 can be arranged between the chuck 2 and the piston rod 3, wherein the processing tool 1 comprises a clamping body 11 and a connecting piece 12, wherein the first end of the clamping body 11 is a cylinder 111, and the circumference of the cylinder 111 can be clamped to the multi-point clamping claws of the chuck 2, and the second end of the clamping body 11 is concave to form a receiving space 112, and the receiving space 112 can receive the flat portion 31 of the piston rod 3, and the abutting portion in the receiving space 112 can abut against the flat portion 31 of the piston rod 3, and the connecting piece 12 is provided with a plurality of clamping claws, and the plurality of clamping claws are ... 2 is inserted into the pin hole of the flat part 31 of the piston rod 3 and is detachably connected to the second end of the clamping body 11, so as to cooperate with the clamping body 11 to clamp the flat part 31 of the piston rod 3, so that the flat part 31 of the piston rod 3 can be processed first and then heat treated, thereby ensuring the mechanical properties of the flat part 31 of the piston rod 3. When processing the magnetic ring hole 32, the flat part 31 of the piston rod 3 is clamped by the processing tool 1, and the multi-point clamping claws on the chuck 2 can stably clamp on the cylinder 111 of the processing tool 1, thereby ensuring the stability of clamping and further ensuring the processing accuracy of the magnetic ring hole 32. Among them, Figure 3 The structural schematic diagram of the machine tool for processing the magnetic ring hole 32 of the piston rod is shown in FIG. 1 . The chuck 2 on the machine tool rotates and then drives the piston rod 3 to rotate through the processing tool 1, and the magnetic ring hole 32 is processed on the end of the piston rod 3 away from the flat portion 31.

[0028] like Figure 2 As shown, the connecting member 12 includes a connecting rod 121 and two bolts 122. Both ends of the connecting rod 121 are provided with openings 123. The connecting rod 121 passes horizontally through the pin hole of the flat portion 31 of the piston rod 3. The two bolts 122 pass through the openings 123 and are detachably connected to the second end of the clamping body 11. In order to improve the stability of the connection of the connecting member 12 and prevent the piston rod 3 and the processing tool 1 from shaking when rotating, the openings 123 of the two openings 123 are perpendicular.

[0029] An abutment ring 124 protrudes outwardly in the middle of the connecting rod 121 and along the circumference of the connecting rod 121. The abutment ring 124 abuts against the pin hole of the flat portion 31 of the piston rod 3, thereby making the connection between the connecting rod 121 and the pin hole of the flat portion 31 of the piston rod 3 more stable.

[0030] The processing tool 1 also includes an abutting screw 13. A threaded through hole is provided in the middle of the first end of the clamping body 11. The threaded through hole is connected to the accommodating space 112. The abutting screw 13 is threadedly connected to the threaded through hole. The abutting end of the abutting screw 13 extends out of the threaded through hole and is located in the accommodating space 112. The abutting end of the abutting screw 13 is an abutting portion. The abutting end of the abutting screw 13 abuts against the center hole of the flat portion 31 of the piston rod 3. The abutting screw 13 extends to different lengths to accommodate piston rods 3 of different sizes, thereby making the processing tool 1 adaptable to piston rods 3 of various sizes. In order to facilitate the positioning of the flat portion 31 of the piston rod 3, the accommodating space 112 is a stepped space, and the stepped space is adapted to the flat portion 31 of the piston rod 3. In order to increase the service life of the clamping body 11, the material of the clamping body 11 is alloy steel.

[0031] In the description of the present utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0034] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0035] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A processing tool for pushing a jack piston rod, characterized in that: The processing tool (1) can be arranged between the chuck (2) and the piston rod (3); The processing tool (1) comprises a clamping body (11) and a connecting piece (12); the first end of the clamping body (11) is a cylinder (111); the circumference of the cylinder (111) can be clamped to the multi-point clamping claws of the chuck (2); The second end of the clamping body (11) is concave to form an accommodating space (112), the accommodating space (112) can receive the flat portion (31) of the piston rod (3), and the abutting portion in the accommodating space (112) can abut against the flat portion (31) of the piston rod (3); The connecting member (12) extends into the pin hole of the flat portion (31) of the piston rod (3) and is detachably connected to the second end of the clamping body (11) so as to cooperate with the clamping body (11) to clamp the flat portion (31) of the piston rod (3).

2. The processing tool for pushing the piston rod of a jack according to claim 1, characterized in that: The connecting member (12) comprises a connecting rod (121) and two bolts (122); Both ends of the connecting rod (121) are provided with openings (123), the connecting rod (121) passes transversely through the pin hole of the flat portion (31) of the piston rod (3), and the two bolts (122) pass through the openings (123) respectively to be detachably connected to the second end of the clamping body (11).

3. The processing tool for pushing the piston rod of a jack according to claim 2, characterized in that: The opening directions of the two openings (123) are perpendicular.

4. The processing tool for pushing the piston rod of a jack as claimed in claim 2, characterized in that: An abutment ring (124) protrudes outwardly from the middle of the connecting rod (121) along the circumference of the connecting rod (121), and the abutment ring (124) abuts against the pin hole of the flat portion (31) of the piston rod (3).

5. The processing tool for pushing the piston rod of a jack according to claim 1, characterized in that: Also includes an abutment screw (13); A threaded through hole is provided in the middle of the first end of the clamping body (11), the threaded through hole is communicated with the accommodating space (112), the abutting screw rod (13) is threadedly connected with the threaded through hole, and the abutting end of the abutting screw rod (13) extends out of the threaded through hole and is located in the accommodating space (112); The abutting end of the abutting screw rod (13) is the abutting portion, and the abutting end of the abutting screw rod (13) abuts against the center hole of the flat portion (31) of the piston rod (3).

6. The processing tool for pushing the piston rod of a jack according to claim 1, characterized in that: The accommodating space (112) is a stepped space, and the stepped space is adapted to the flat portion (31) of the piston rod (3).

7. The processing tool for pushing the piston rod of a jack according to claim 1, characterized in that: The material of the clamping body (11) is alloy steel.

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