CN216781458U - Novel grinding machine tool - Google Patents
Novel grinding machine tool Download PDFInfo
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- CN216781458U CN216781458U CN202123328663.0U CN202123328663U CN216781458U CN 216781458 U CN216781458 U CN 216781458U CN 202123328663 U CN202123328663 U CN 202123328663U CN 216781458 U CN216781458 U CN 216781458U
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- piston rod
- connecting piece
- rod body
- center
- grinding machine
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Abstract
The utility model relates to a novel grinding machine tool which is used for grinding a hollow piston rod, wherein the hollow piston rod comprises a piston rod body, one side of the piston rod body is provided with an internal thread, the novel grinding machine tool comprises a clamping mechanism and a grinding mechanism, the clamping mechanism comprises a thimble, a connecting piece and a centre, the piston rod body is horizontally clamped between the thimble and the connecting piece, the connecting piece is arranged on one side, close to the internal thread, of the piston rod body, an external thread matched with the internal thread is arranged on the connecting piece, the centre is arranged on one side, far away from the piston rod body, of the connecting piece, the thimble, the connecting piece and the centre are coaxially arranged with the piston rod body, and the centre is driven by a driving mechanism to be close to the connecting piece and drive the connecting piece to rotate so as to drive the piston rod body to rotate; the utility model realizes the quick and accurate positioning and clamping of the piston rod body, does not need to measure plane run-out, can finish the integral grinding by only one-time clamping, and improves the grinding efficiency and the processing precision.
Description
Technical Field
The utility model relates to the technical field of grinding machine devices, in particular to a novel grinding machine tool.
Background
The piston rod is a connecting part for supporting the piston to do work, most of the piston rod is applied to motion executing parts such as an oil cylinder and an air cylinder, the motion executing parts are motion parts with frequent motion and high technical requirements, a hollow piston rod is arranged in the existing piston rod, the material consumption is less, the service life is long, the piston rod is made of a hollow steel pipe, an internal thread used for the connecting part is arranged on the inner surface of one side of the hollow steel pipe, and the grinding tool is used for grinding the outer surface of the rod body after the piston rod is clamped by a clamp of a grinding machine in the production process of the piston rod.
The clamping device of the cylindrical grinding machine is provided by the utility model patent of China with the publication number of CN214162617U, the workpiece needing to be clamped is placed in the clamping groove through the clamping groove, then three electric push rods are started to drive the clamping blocks to move towards the center of the clamping groove until the three clamping blocks are attached to the workpiece and fastened, the clamping of the workpiece can be completed, the clamping device is suitable for workpieces with different sizes, the workpiece can be effectively prevented from deviating and sliding through the arrangement of the rubber pad, the limiting hole and the limiting rod, and the clamping is firmer.
However, the clamping device of the cylindrical grinding machine for the hollow piston rod still has some defects:
(1) the piston rod clamping is completed by adopting the three clamping blocks, the center offset of the piston rod is easily formed in the clamping mode, the plane measurement jumping is needed in each clamping, the adjustment is troublesome, the working efficiency is reduced, and the processing precision is low;
(2) because the clamping block clamps the outer side of the piston rod, when the outer circle of the piston rod is ground, after one side of the piston rod needs to be ground, the piston rod is overturned, inverted, clamped and ground, and then the other side of the piston rod is ground, so that the whole outer surface cannot be simultaneously ground at one time, and the grinding efficiency is low.
Therefore, the utility model provides a novel grinding machine tool to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a novel grinding machine tool which is used for clamping and grinding a hollow piston rod, does not need to measure plane run-out, can finish integral grinding by only one-time clamping, and improves the grinding efficiency and the processing precision.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a novel grinding machine frock for hollow piston rod abrasive machining, hollow piston rod includes the piston rod body of rod, the piston rod body of rod is the tubular structure, piston rod body of rod one side has the internal thread, novel grinding machine frock includes fixture and grinding mechanism, fixture drives the piston rod body of rod rotation through the actuating mechanism drive, and grinding mechanism grinds the piston rod body of rod, and its innovation point lies in: the clamping mechanism comprises a thimble, a connecting piece and a tip;
the piston rod body is horizontally clamped between the ejector pin and the connecting piece, the connecting piece is arranged on one side, close to the inner thread, of the piston rod body, an outer thread matched with the inner thread is arranged on the connecting piece, the tip is arranged on one side, far away from the piston rod body, of the connecting piece, the ejector pin, the connecting piece, the tip and the piston rod body are coaxially arranged, the tip is driven by the driving mechanism to be close to the connecting piece and drive the connecting piece to rotate, and then the piston rod body is driven to rotate.
Furthermore, the thimble is round platform form, the thimble side and the rod body line contact of piston rod.
Furthermore, the tip is conical, a central positioning hole is formed in the end face of one side, away from the piston rod body, of the connecting piece, the central positioning hole is located on the central axis of the connecting piece, and the tip end of the tip is arranged on one side, close to the connecting piece, and is driven by the driving mechanism to enter the central positioning hole.
Furthermore, a circular plate is coaxially connected to one side, away from the connecting piece, of the center, a horizontal driving rod is horizontally connected to one side, close to the center, of the circular plate, a vertical driving rod is connected to one side, away from the piston rod body, of the connecting piece in the radial direction, and the side face of the horizontal driving rod is in contact with the side face of the vertical driving rod.
Further, the horizontal driving rod is in threaded connection with the circular plate, and the vertical driving rod is in threaded connection with the connecting piece.
The utility model has the advantages that:
(1) according to the utility model, the thimble, the connecting piece and the tip are arranged, and the external thread of the connecting piece and the internal thread of the piston rod body are concentrically arranged, so that the piston rod body can be quickly positioned, plane jump does not need to be measured, integral grinding can be completed only by one-time clamping, the grinding efficiency is improved, in addition, the thimble, the connecting piece, the tip and the piston rod body are coaxially arranged, so that the piston rod body is more stable in the rotating process, and the processing precision is improved.
(2) The thimble is in a round table shape, and the clamping of piston rod bodies with different sizes can be realized only by replacing the connecting piece, so that the practicability of the device is improved.
(3) The center of the utility model is conical, the connecting piece is provided with a central positioning hole, and the center of the connecting piece enters the central positioning hole through the tip of the center, so that the horizontal positioning of the central axis of the rod body of the piston rod is quickly realized.
(4) The utility model realizes power transmission by arranging the horizontal driving rod and the vertical driving rod, has simple structure and is convenient to maintain.
(5) The horizontal driving rod and the circular plate are in threaded connection, the vertical driving rod and the connecting piece are in threaded connection, the horizontal driving rod and the vertical driving rod are convenient to replace, and the vertical driving rod can be reused when the connecting piece is replaced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the novel grinding machine tool of the utility model.
Fig. 2 is a front view of the novel grinding machine tool of the present invention.
FIG. 3 is a cross-sectional view taken along the line A-A of the present invention.
Fig. 4 is a schematic structural view of the connector of the present invention.
Fig. 5 is a schematic structural view of a rod body of a piston rod according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The novel grinding machine tool shown in the figures 1-5 is used for grinding a hollow piston rod, the hollow piston rod comprises a piston rod body 1, as shown in the figure 5, the piston rod body 1 is of a tubular structure, an internal thread 11 is arranged on one side of the piston rod body 1, the novel grinding machine tool comprises a clamping mechanism and a grinding mechanism, the clamping mechanism drives the piston rod body 1 to rotate through a driving mechanism, and the piston rod body 1 is driven by the grinding mechanism.
The clamping mechanism comprises a thimble 2, a connecting piece 3 and a tip 4, the piston rod body 1 is horizontally clamped between the thimble 2 and the connecting piece 3, the connecting piece 3 is arranged on one side of the piston rod body 1 close to the internal thread 11, and the tip 4 is arranged on one side of the connecting piece 3 far away from the piston rod body 1. The thimble 2 is in a circular truncated cone shape, the central axis of the thimble 2 is horizontally arranged and is positioned on the same straight line with the central axis of the piston rod body 1, the thimble 2 is fixed by a fixing frame 21, the fixing frame is fixedly connected to the lower bottom surface of the thimble 2, the upper bottom surface of the thimble 2 is positioned in the piston rod body 1, and the side surface of the thimble 2 is in line contact with the piston rod body 1; the connecting piece 3 is of a step-type columnar structure, the central axis of the connecting piece 3 and the central axis of the piston rod body 1 are positioned on the same straight line, one side of the connecting piece 3, which is close to the piston rod body 1, is provided with an external thread 31 matched with the internal thread 11 of the piston rod body 1, and the connecting piece 3 and the piston rod body 1 are movably connected through the matching of the internal thread 11 and the external thread 31; in the use, because the round platform form setting of thimble 2 only needs to change connecting piece 3, can realize the centre gripping of the piston rod body of rod 1 of unidimensional, and the device has stronger practicality.
The center point 4 is conical, the central axis of the center point 4 and the central axis of the piston rod body 1 are positioned on the same straight line, a central positioning hole 32 is formed in the end face of one side, away from the piston rod body 1, of the connecting piece 3, the central positioning hole 32 is positioned on the central axis of the connecting piece 3, the tip of the center point 4 is arranged on one side close to the connecting piece 3, and the center point is driven by a driving mechanism to enter the central positioning hole 32, so that the horizontal positioning of the central axis of the piston rod body 1 can be quickly realized; one side of the centre 4 far away from the connecting piece 3 is coaxially connected with a circular plate 5, one side of the circular plate 5 far away from the centre 4 is coaxially connected with a connecting shaft 6, the connecting shaft 6 is connected with a driving mechanism, the connecting shaft 6, the circular plate 5 and the centre 4 are integrally formed, in order to realize the power transmission of the driving mechanism and facilitate the maintenance and the replacement, one side of the circular plate 5 near the centre 4 is horizontally and threadedly connected with a horizontal driving rod 51, one side of the connecting piece 3 far away from the piston rod body 1 is radially and threadedly connected with a vertical driving rod 52, in the embodiment, the vertical driving rod 52 is a bolt, and when the connecting piece 3 is replaced, the connecting piece can be taken down and remounted on the replaced connection 3 for repeated use; the circular plate 5 is driven by the driving mechanism to rotate, and the power is transmitted by the contact of the side surface of the horizontal driving rod 51 and the side surface of the vertical driving rod 52, so as to drive the piston rod body 1 which is in threaded connection with the connecting piece 3 to rotate.
The working principle is as follows: firstly, one side, far away from the internal thread 11, of a piston rod body 1 is horizontally placed on a thimble 2, the other side of the piston rod body 1 is connected with a connecting piece 3, a driving mechanism pushes the tip end of a tip 4 to enter a central positioning hole 32 of the connecting piece 3 through a connecting shaft 6 and a circular plate 5, the driving mechanism drives the connecting shaft 6, the circular plate 5 and the tip 4 to rotate, the side face of a horizontal driving rod 51 is in contact with the side face of a vertical driving rod 52 to transmit power, the connecting piece 3 drives the piston rod body 1 to rotate, a grinding mechanism grinds the outer surface of the piston rod body 1, and grease is injected into the connecting part to lubricate so as to reduce the friction resistance between the piston rod body 1 and the side face of the thimble 2.
According to the novel grinding machine tool, the piston rod body is quickly and accurately positioned and clamped, plane jump does not need to be measured, integral grinding can be completed through one-time clamping, and the grinding efficiency and the machining precision are improved.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a novel grinding machine frock for hollow piston rod abrasive machining, hollow piston rod includes the piston rod body of rod, the piston rod body of rod is the tubular structure, piston rod body of rod one side has the internal thread, novel grinding machine frock includes fixture and grinding mechanism, fixture drives the piston rod body of rod rotatory through the actuating mechanism drive, and grinding mechanism grinds the piston rod body of rod, its characterized in that: the clamping mechanism comprises a thimble, a connecting piece and a tip;
the piston rod body is horizontally clamped between the ejector pin and the connecting piece, the connecting piece is arranged on one side, close to the internal thread, of the piston rod body, an external thread matched with the internal thread is arranged on the connecting piece, the center is arranged on one side, far away from the piston rod body, of the connecting piece, the ejector pin, the connecting piece, the center and the piston rod body are coaxially arranged, the center is driven by the driving mechanism to be close to the connecting piece and drive the connecting piece to rotate, and then the piston rod body is driven to rotate.
2. The novel grinding machine tool of claim 1, characterized in that: the thimble is round platform form, thimble side and the rod body line contact of piston rod.
3. The novel grinding machine tool of claim 1, characterized in that: the center is conical, a center positioning hole is formed in the end face of one side, away from the piston rod body, of the connecting piece, the center positioning hole is located on the central axis of the connecting piece, and the tip end of the center is arranged on one side, close to the connecting piece, and is driven by the driving mechanism to enter the center positioning hole.
4. The novel grinding machine tool of claim 1, characterized in that: one side of the center, which is far away from the connecting piece, is coaxially connected with a circular plate, one side of the circular plate, which is close to the center, is horizontally connected with a horizontal driving rod, one side of the connecting piece, which is far away from the rod body of the piston rod, is connected with a vertical driving rod in the radial direction, and the side surface of the horizontal driving rod is contacted with the side surface of the vertical driving rod.
5. The novel grinding machine tool of claim 4, characterized in that: the horizontal driving rod is in threaded connection with the circular plate, and the vertical driving rod is in threaded connection with the connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123328663.0U CN216781458U (en) | 2021-12-28 | 2021-12-28 | Novel grinding machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123328663.0U CN216781458U (en) | 2021-12-28 | 2021-12-28 | Novel grinding machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216781458U true CN216781458U (en) | 2022-06-21 |
Family
ID=82010465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123328663.0U Active CN216781458U (en) | 2021-12-28 | 2021-12-28 | Novel grinding machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216781458U (en) |
-
2021
- 2021-12-28 CN CN202123328663.0U patent/CN216781458U/en active Active
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