A milling machine special-shaped part fixture

Abstract

The utility model belongs to the field of machining equipment relates to a milling machine special -shaped part fixture, including the bottom plate for being fixed on the milling machine workstation, bottom plate one end upside fixedly connected with lower base, lower base upper side is connected with work piece fixed plate through bolted connection mode, the recess is provided on the lower base upside, the recess is provided with the opening on the lower base side, the slide rail is fixedly connected with the upper portion of base, the slide rail is connected with the slide seat of sliding, the slide seat is fixedly connected with the compression roller seat, the compression roller seat is connected with the compression roller frame of one end rotation of lower base close, the compression roller frame is connected with two compression rollers of rotation.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing equipment and relates to a milling machine fixture for irregularly shaped parts. Background Technology

[0002] Milling machines are essential equipment in machine shops. When machining workpieces, milling machine cutters require fixtures to position the workpiece. Common fixtures include three-jaw chucks and vises, suitable for positioning cylinders and cubes. However, these common fixtures are no longer suitable for other shapes, hence the need for various specialized fixtures. Currently, there are no dedicated fixtures for right-angled trapezoidal plates. When using a clamping plate to hold a right-angled trapezoidal plate and mill elongated holes, the following defects exist: 1. The workpiece may move during milling, causing dimensional errors; 2. Clamping marks may appear on the workpiece surface. Utility Model Content

[0003] This invention addresses the problem that existing fixtures cannot be used for positioning when milling long holes in right-angled trapezoidal plates, and provides a fixture for positioning irregularly shaped parts on a milling machine that can position right-angled trapezoidal plates.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a milling machine irregular part fixture, including a base plate for fixing on the milling machine worktable, a lower base fixedly connected to the upper side of one end of the base plate, a workpiece fixing plate connected to the upper side of the lower base by bolts, a groove provided on the upper side of the lower base, an opening provided on the side of the groove, a slide rail fixedly connected to the upper side of the base, a sliding seat slidably connected to the slide rail, a pressure roller seat fixedly connected to the sliding seat, a pressure roller frame rotatably connected to the end of the pressure roller seat near the lower base, and two pressure rollers rotatably connected to the pressure roller frame.

[0005] Preferably, a spring guide rod is slidably connected to the end of the sliding seat away from the lower base, a spring seat is fixedly connected to the end of the spring guide rod away from the sliding seat, a base plate is fixedly connected below the spring seat, and a spring is sleeved on the spring guide rod.

[0006] Preferably, an operating handle is fixedly connected to the upper side of the sliding seat.

[0007] Preferably, a right-angle support plate is fixedly connected above the base plate. The right-angle support plate is disposed on the side of the sliding seat. The right-angle support plate includes a horizontal plate. A stud is provided through the horizontal plate. The stud is threaded with two nuts, which are distributed on both sides of the horizontal plate. The stud is hollow. A rotary positioning pin is slidably connected to the stud. The sliding seat is provided with a pin hole corresponding to the rotary positioning pin.

[0008] Preferably, the upper end of the stud is provided with a through groove, and the two sides of the rotary positioning pin are connected with inserts, which can be inserted into the through groove.

[0009] Preferably, the sides of the groove are stepped.

[0010] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0011] This utility model is provided with a lower base, which has a groove that matches the size of the right-angled side of the right-angled trapezoidal plate. The right-angled waist of the right-angled trapezoidal plate is pressed by a workpiece fixing plate, and pressure is applied to the hypotenuse of the right-angled trapezoidal plate by a pressure roller, thereby achieving the purpose of positioning the right-angled trapezoidal plate. The part of the right-angled trapezoidal plate exposed from the groove is then processed by milling elongated holes and other processes.

[0012] This utility model has a simple structure and is easy to operate manually, making it suitable as a special fixture for milling long holes in right-angled trapezoidal plates. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of a milling machine fixture for irregularly shaped parts;

[0015] Figure 2 for Figure 1 Enlarged view of the structure at point A in the middle;

[0016] Figure 3 This is a schematic diagram of the lower base.

[0017] In the above figures, 1. Base plate; 11. Right-angle support plate; 111. Horizontal plate; 112. Stud; 113. Through groove; 12. Rotary positioning pin; 121. Insert block; 2. Lower base; 21. Groove; 22. Opening; 3. Right-angle trapezoidal plate; 4. Workpiece fixing plate; 5. Slide rail; 6. Sliding seat; 61. Operating handle; 7. Pressure roller seat; 8. Pressure roller frame; 81. Pressure roller; 9. Spring seat; 91. Spring. Detailed Implementation

[0018] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] like Figure 1 , Figure 2 , Figure 3 As shown, in order to position the irregularly shaped part 3 of the right-angled trapezoidal plate, this utility model provides a milling machine irregularly shaped part fixture, including a base plate 1 for fixing on the milling machine worktable, a lower base 2 fixedly connected to the upper side of one end of the base plate 1, and a workpiece fixing plate 4 for pressing the right-angled trapezoidal plate 3 connected to the upper side of the lower base 2 by bolts. The upper side of the lower base 2 is provided with a groove 21 for placing the right-angled trapezoidal plate 3. The groove 21 is provided with an opening 22 on the side of the lower base 2. The hypotenuse of the right-angled trapezoidal plate 3 extends out from the opening 22. A slide rail 5 is fixedly connected to the upper side of the base, a sliding seat 6 is slidably connected to the slide rail 5, and a pressure roller seat 7 is fixedly connected to the sliding seat 6. A pressure roller frame 8 is rotatably connected to the end of the pressure roller seat 7 near the lower base 2. Two pressure rollers 81 are rotatably connected to the pressure roller frame 8. The two pressure rollers 81 are used to overlap with the hypotenuse of the right-angled trapezoidal plate 3.

[0021] The method of using this utility model is as follows: Loosen the bolts and remove the workpiece fixing plate 4, put the right-angled trapezoidal plate 3 into the groove 21, and make the hypotenuse of the right-angled trapezoidal plate 3 extend from the side opening 22. Press the workpiece fixing plate 4 on top of the right-angled trapezoidal plate 3 and tighten the bolts. Then rotate the pressure roller frame 8 so that the two pressure rollers press on the hypotenuse, thereby positioning the right-angled trapezoidal plate 3.

[0022] In order to enable the pressure roller to automatically press the right-angled trapezoidal plate 3, a spring guide rod is slidably connected to the end of the sliding seat 6 away from the lower base 2. A spring seat 9 is fixedly connected to the end of the spring guide rod away from the sliding seat 6. The base plate 1 is fixedly connected below the spring seat 9. A spring 91 is sleeved on the spring guide rod. The spring 91 provides thrust to push the pressure roller to press on the hypotenuse of the right-angled trapezoidal plate 3.

[0023] Furthermore, an operating handle 61 is fixedly connected to the upper side of the sliding seat 6, making it convenient to hold and push the sliding seat 6 by hand.

[0024] Furthermore, a right-angle support plate 11 is fixedly connected above the base plate 1. The right-angle support plate 11 is located on the side of the sliding seat 6. The right-angle support plate 11 includes a horizontal plate 111. A stud 112 passes through the horizontal plate 111. The stud 112 is threaded with two nuts, which are distributed on both sides of the horizontal plate 111, thereby positioning the stud 112. The stud 112 is hollow and slidably connected to a rotating positioning pin 12. The sliding seat 6 is provided with a pin hole corresponding to the rotating positioning pin 12. Usage: Before positioning the right-angle trapezoidal plate 3, grasp the operating handle 61 and push the sliding seat 6 away from the lower base 2. After the pin hole moves below the rotating positioning pin 12, insert the rotating positioning pin 12 into the pin hole so that the sliding seat 6 will not move under the push of the spring. After the workpiece fixing plate 4 is re-fixed, pull out the rotating positioning pin 12 and push the sliding seat 6 closer to the lower base 2 so that the pressure roller overlaps on the hypotenuse of the right-angle trapezoidal plate 3.

[0025] Furthermore, the upper end of the stud 112 is provided with a through groove 113, and the two sides of the rotating positioning pin 12 are connected with insert blocks 121, which can be inserted into the through groove 113. Specifically, the insert block 121 can only be inserted into the through groove 113 when it is aligned with the through groove 113. Therefore, when the insert block 121 is not aligned with the through groove 113, the rotating positioning pin 12 can be lifted up and moved away from the pin hole to avoid obstructing the movement of the sliding seat 6.

[0026] Furthermore, the sides of the groove 21 are stepped, so that at least two sizes of right-angled trapezoidal plates 3 can be placed.

[0027] As shown in the figure, after positioning the right-angled trapezoidal plate 3, the exposed part of the right-angled trapezoidal plate 3 is processed by milling elongated holes and other processes.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A milling machine fixture for irregularly shaped parts, characterized in that, The device includes a base plate for fixing to a milling machine worktable. A lower base is fixedly connected to the upper side of one end of the base plate. A workpiece fixing plate is connected to the upper side of the lower base by bolts. A groove is provided on the upper side of the lower base, and an opening is provided on the side of the groove. A slide rail is fixedly connected to the upper side of the base. A sliding seat is slidably connected to the slide rail. A pressure roller seat is fixedly connected to the sliding seat. A pressure roller frame is rotatably connected to the end of the pressure roller seat near the lower base. Two pressure rollers are rotatably connected to the pressure roller frame.

2. A milling machine irregular part fixture according to claim 1, characterized in that, A spring guide rod is slidably connected to the end of the sliding seat away from the lower base. A spring seat is fixedly connected to the end of the spring guide rod away from the sliding seat. A base plate is fixedly connected below the spring seat. A spring is sleeved on the spring guide rod.

3. A milling machine irregular part fixture according to claim 1, characterized in that, An operating handle is fixedly connected to the upper side of the sliding seat.

4. A milling machine irregular part fixture according to claim 1, characterized in that, A right-angle support plate is fixedly connected above the base plate. The right-angle support plate is set on the side of the sliding seat. The right-angle support plate includes a horizontal plate. A stud is provided through the horizontal plate. The stud is threaded with two nuts, which are distributed on both sides of the horizontal plate. The stud is hollow. A rotating positioning pin is slidably connected to the stud. The sliding seat is provided with a pin hole corresponding to the rotating positioning pin.

5. A milling machine irregular part fixture according to claim 4, characterized in that, The stud has a through groove at its upper end, and the rotating positioning pin has inserts on both sides, which can be inserted into the through groove.

6. A milling machine irregular part fixture according to claim 1, characterized in that, The sides of the groove are stepped.

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