CN211219670U - Auxiliary clamping jig for eccentric machining of lathe - Google Patents
Auxiliary clamping jig for eccentric machining of lathe Download PDFInfo
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- CN211219670U CN211219670U CN201922237104.5U CN201922237104U CN211219670U CN 211219670 U CN211219670 U CN 211219670U CN 201922237104 U CN201922237104 U CN 201922237104U CN 211219670 U CN211219670 U CN 211219670U
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- eccentric disc
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Abstract
The utility model provides a clamping tool is assisted in eccentric processing of lathe belongs to clamping tool technical field. The utility model discloses an eccentric disc, spacer pin and clamp plate, spacer pin set up in eccentric disc center, and the clamp plate setting is in eccentric disc top, and clamp plate one side contacts with the spacer pin, and the opposite side is connected with eccentric disc through set nut, the utility model discloses effectively reduced the manufacturing cost of work piece, and installed simple structure, convenient to use.
Description
Technical Field
The utility model relates to a clamping tool is assisted in eccentric processing of lathe belongs to clamping tool technical field.
Background
The numerical control machining is machining using a numerical control machining tool. CNC machining machines are programmed in a nc machining language, typically G-code. The numerical control machining G code language tells the machining tool of the numerical control machine tool which Cartesian position coordinate is adopted, and controls the feeding speed and the main shaft rotating speed of the tool, and functions of a tool converter, a coolant and the like. Numerical control machining has great advantages over manual machining, and parts produced by numerical control machining are very accurate and have repeatability; numerical control machining can produce parts with complex shapes which cannot be finished by manual machining. The numerical control machining technology is widely popularized, most machining workshops have numerical control machining capacity, and the most common numerical control machining modes in a typical machining workshop comprise numerical control milling, numerical control turning and numerical control EDM wire cutting (wire cut electrical discharge machining).
The clamp is a technological device used for quickly fastening a workpiece during processing so as to keep a machine tool, a cutter and the workpiece at correct relative positions. That is to say, Workholding frock clamp is the indispensable part of machining, and under the drive that the lathe technology is to high speed, high efficiency, precision, compound, intelligence, environmental protection direction development, anchor clamps technology is developing towards high accuracy, high efficiency, module, combination, general, economic direction.
The clamp is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short.
When a workpiece is machined on a machine tool, the workpiece needs to be assembled (positioned) and firmly clamped (clamped) before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing.
The machine tool fixture is beneficial to ensuring the machining precision of the workpiece and stabilizing the product quality; is beneficial to improving the labor productivity and reducing the cost; the labor condition of workers is improved, and the safe production is ensured; is beneficial to expanding the process range of the machine tool and realizing 'one machine with multiple functions'.
The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.
When the local arc groove to the part is processed, can only adopt CNC equipment to process, but CNC equipment processing cost is high, and it is low to process this product output value, so need urgently to need a clamping tool that can process the local arc groove of part to reduction in production cost.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a clamping tool is assisted in eccentric processing of lathe for solve among the prior art adding man-hour to the local arc groove of part, can only adopt CNC equipment to process, but CNC equipment processing cost is high, and it is low to process this product output value, so need one kind promptly and can carry out the clamping tool of processing to the local arc groove of part, with reduction in production cost's problem.
For realizing above-mentioned purpose and other relevant purposes, the utility model provides a clamping tool is assisted in eccentric processing of lathe includes: the eccentric disc, the limiting pin and the pressing plate are arranged in the center of the eccentric disc, the pressing plate is arranged above the eccentric disc, one side of the pressing plate is in contact with the limiting pin, and the other side of the pressing plate is connected with the eccentric disc through the positioning nut.
By adopting the technical scheme: when a workpiece is processed through a local arc groove, the workpiece is placed on the limiting pin, then the pressing plate rotates around the positioning nut, one side of the pressing plate is pressed on the workpiece, then the positioning nut is rotated, the pressing plate presses the workpiece tightly, then the eccentric disc is connected with the three-jaw chuck of the lathe, after connection, the eccentric disc is enabled to be parallel to the three-jaw chuck of the lathe, after clamping is completed, the lathe is started to process the workpiece, and due to the fact that the eccentric disc is eccentric, when the three-jaw chuck drives the eccentric disc to rotate, the workpiece inside the limiting pin rotates eccentrically, and therefore when the cutter processes the workpiece, the arc groove can be processed on the workpiece.
In an embodiment of the present invention, the pressing plate is further provided with a locking nut.
By adopting the technical scheme: through lock nut, compress tightly the back at the clamp plate to the work piece, rotatory lock nut fixes the clamp plate through lock nut, prevents that the clamp plate from producing the offset in the work piece course of working.
In an embodiment of the present invention, a semicircular groove is formed on one side of the pressing plate contacting with the limiting pin.
By adopting the technical scheme: the semicircular groove is formed in one side, which is in contact with the limiting pin, of the pressing plate, so that the cutter can process the inner side surface of a workpiece, and the pressing plate cannot block the cutter.
In an embodiment of the present invention, the limit pin is circular and fixed on the surface of the eccentric disc by screws.
By adopting the technical scheme: the spacer pin is circular ring-shaped, so that a workpiece can be conveniently placed inside the spacer pin, and the spacer pin is fixed on the surface of the eccentric disc through a screw to improve the fixing stability of the spacer pin.
In an embodiment of the present invention, a protrusion is disposed on a side surface of the pressing plate contacting the limiting pin.
By adopting the technical scheme: through setting up the arch, increase the frictional force between work piece and the clamp plate, prevent that the work piece from producing the displacement in the course of working.
As above, the utility model discloses a clamping tool is assisted in eccentric processing of lathe has following beneficial effect:
the utility model discloses in set up the disc into eccentric disc, be provided with spacer pin and clamp plate on the disc, fix the work piece on eccentric disc through spacer pin and clamp plate, when three-jaw chuck drives eccentric disc and rotates, the work piece also is eccentric rotation, so the cutter is adding man-hour to the work piece, can process out the arc groove at the work piece surface, the utility model discloses a processing to the local arc groove on the work piece is compared in CNC processing, the utility model discloses effectively reduced the manufacturing cost of work piece, and installed simple structure, convenient to use.
Drawings
Fig. 1 shows the embodiment of the present invention provides a main view structure diagram of an auxiliary clamping fixture for eccentric machining of a lathe.
Fig. 2 shows that the embodiment of the utility model provides an in the embodiment of the utility model provides a right side view structure schematic diagram of supplementary clamping tool of lathe eccentric processing.
Wherein, 1, an eccentric disc; 2. a spacing pin; 3. positioning a nut; 4. locking the nut; 5. and (7) pressing a plate.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1-2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1, the utility model provides an auxiliary clamping jig for eccentric machining of lathe includes: eccentric disc 1, spacer pin 2 and clamp plate 5, spacer pin 2 set up in eccentric disc 1 center, clamp plate 5 set up in eccentric disc 1 top, 5 one side of clamp plate contact with spacer pin 2, the opposite side is connected with eccentric disc 1 through set nut 3.
And the pressure plate 5 is also provided with a locking nut 4.
And a semicircular groove is formed in one side of the pressing plate 5, which is in contact with the limiting pin 2.
The limiting pin 2 is in a circular ring shape and is fixed on the surface of the eccentric disc 1 through a screw.
And a bulge is arranged on the surface of one side of the pressing plate 5, which is contacted with the limiting pin 2.
An application method of the auxiliary clamping jig for eccentric machining of the lathe comprises the following steps: when a workpiece is processed by a local arc groove, the workpiece is placed on the limiting pin 2, the pressing plate 5 is rotated around the positioning nut 3, one side of the pressing plate 5 is pressed on the workpiece, the positioning nut 3 is rotated, the pressing plate 5 tightly presses the workpiece, the locking nut 4 is screwed, the pressing plate is fixed, the eccentric disc 1 is connected with a three-jaw chuck of a lathe, the eccentric disc 1 is ensured to be parallel to the three-jaw chuck of the lathe after connection, after clamping is completed, the lathe is started to process the workpiece, and the eccentric disc 1 is an eccentric circle, so that when the three-jaw chuck drives the eccentric disc 1 to rotate, the workpiece inside the limiting pin 2 eccentrically rotates, and the cutter can process the arc groove on the workpiece when processing the workpiece.
To sum up, the utility model discloses in set up the disc into eccentric disc, be provided with spacer pin and clamp plate on the disc, fix the work piece on eccentric disc through spacer pin and clamp plate, when three-jaw chuck drives eccentric disc and rotates, the work piece also is eccentric rotation, so the cutter is adding man-hour to the work piece, can process out the arc groove at workpiece surface, the utility model discloses a processing to the local arc groove on the work piece is compared in CNC processing, the utility model discloses effectively reduced the manufacturing cost of work piece, and installed simple structure, convenient to use. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a clamping tool is assisted in eccentric processing of lathe which characterized in that, a clamping tool is assisted in eccentric processing of lathe includes: eccentric disc (1), spacer pin (2) and clamp plate (5), spacer pin (2) set up in eccentric disc (1) center, clamp plate (5) set up in eccentric disc (1) top, clamp plate (5) one side contacts with spacer pin (2), the opposite side is connected with eccentric disc (1) through set nut (3).
2. The auxiliary clamping jig for eccentric machining of the lathe according to claim 1, characterized in that: and the pressure plate (5) is also provided with a locking nut (4).
3. The auxiliary clamping jig for eccentric machining of the lathe according to claim 1, characterized in that: and a semicircular groove is formed in one side of the pressing plate (5) which is in contact with the limiting pin (2).
4. The auxiliary clamping jig for eccentric machining of the lathe according to claim 1, characterized in that: the limiting pin (2) is in a circular ring shape and is fixed on the surface of the eccentric disc (1) through a screw.
5. The auxiliary clamping jig for eccentric machining of the lathe according to claim 1, characterized in that: and a bulge is arranged on the surface of one side of the pressing plate (5) contacted with the limiting pin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237104.5U CN211219670U (en) | 2019-12-13 | 2019-12-13 | Auxiliary clamping jig for eccentric machining of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237104.5U CN211219670U (en) | 2019-12-13 | 2019-12-13 | Auxiliary clamping jig for eccentric machining of lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211219670U true CN211219670U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922237104.5U Active CN211219670U (en) | 2019-12-13 | 2019-12-13 | Auxiliary clamping jig for eccentric machining of lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211219670U (en) |
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2019
- 2019-12-13 CN CN201922237104.5U patent/CN211219670U/en active Active
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