Plane machining tool clamp of planer type milling machine

Abstract

The utility model provides a plane processing work fixture of a planer type milling machine, which belongs to the technical field of work fixture equipment and comprises symmetrically arranged supporting bases, supporting plates are movably arranged on the two supporting bases, limiting assemblies used for limiting and fixing the movement of the supporting plates are correspondingly arranged on the supporting bases, and fixture assemblies are arranged on the supporting plates. Through cooperation of a plurality of clamps, the supporting base is fixed to the upper base face of a machining station of a milling machine, then the position of a special-shaped workpiece can be preliminarily limited by adjusting the position of the supporting plate in the using process, a driving device of the clamp assembly further drives a worm to rotate, and therefore a worm wheel matched with the worm drives a transmission shaft to rotate; and therefore, the eccentric wheel rotates, and the special-shaped workpiece can be clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixture equipment, in particular to a plane processing tooling fixture for a gantry milling machine. Background Art

[0002] Gantry milling machines are widely used as metal cutting machine tools. Their processing accuracy and efficiency depend to a large extent on the design and use of fixtures. With the development of manufacturing industry, the processing demand for special-shaped workpieces is increasing. Special-shaped workpieces usually have complex geometric shapes, irregular edge contours, multi-directional processing features and other characteristics, and traditional milling machine fixtures are not well suitable for the processing of such workpieces. Therefore, a plane processing fixture of gantry milling machine is used to solve this problem. Utility Model Content

[0003] In view of this, the utility model provides a plane processing tooling fixture for a gantry milling machine, which can fix the support base on the base surface of the processing station of the milling machine through the cooperation of multiple fixtures, and then when in use, the position of the special-shaped workpiece can be initially limited by adjusting the position of the support plate, and the driving device of the fixture assembly can further drive the worm to rotate, so that the worm wheel matched with the worm drives the transmission shaft to rotate, thereby causing the eccentric wheel to rotate, and then the special-shaped workpiece can be clamped.

[0004] In order to solve the above technical problems, the utility model provides a plane processing tooling fixture for a gantry milling machine, including symmetrically arranged support bases, two support bases are movably provided with support plates, the corresponding support bases should be provided with a limit assembly for limiting and fixing the movement of the support plates, and a clamp assembly is provided on the support plates.

[0005] The limit assembly includes a plurality of sliding blocks movably arranged on a support base, and the corresponding support base is provided with a convex groove corresponding to the sliding block. The sliding block is rotatably provided with a threaded hole, and a fastening bolt is rotatably provided in the threaded hole. The support plate is provided with a through hole matching the fastening bolt.

[0006] The clamp assembly comprises an equipment box fixedly arranged on the lower base surface of the support plate, and a worm wheel and a worm screw which cooperate with each other are rotatably arranged in the equipment box.

[0007] The worm wheel is provided with a transmission shaft, and the corresponding equipment box is respectively provided with a first supporting hole matching the transmission shaft and a second supporting hole matching the worm. One end of the worm passes through the second supporting hole and is transmission-connected to a driving device arranged on one side of the equipment box.

[0008] The first supporting hole and the second supporting hole are both provided with bearing assemblies. An opening is provided on the support plate corresponding to the transmission shaft. The upper end of the transmission shaft passes through the opening, and an eccentric wheel that rotates with the transmission shaft is fixed on the end.

[0009] The support plate is arranged in an isosceles trapezoidal shape.

[0010] The beneficial effects of the above technical solution of the utility model are as follows:

[0011] 1. When in use, multiple clamp structures are coordinated, that is, the support base is fixed on the base surface of the milling machine's processing station, and then the position of the special-shaped workpiece can be initially limited by adjusting the position of the support plate during use, and the driving device of the clamp assembly further drives the worm to rotate, so that the worm wheel matched with the worm drives the transmission shaft to rotate, so that the eccentric wheel rotates, and then the special-shaped workpiece can be clamped.

[0012] 2. When the limit assembly is in use, the fastening bolt passes through the through hole set on the support plate and is then threadedly connected to the threaded hole, so that the support plate is limited and fixed after its position is adjusted.

[0013] 3. The driving device drives the worm to rotate, and the worm drives the worm wheel to rotate, which in turn can make the worm wheel drive the transmission shaft and the eccentric wheel that rotates with the transmission shaft to rotate at the same time, and then when the eccentric wheel rotates, it can generate extrusion pressure on the special-shaped workpiece, thereby clamping the special-shaped workpiece.

[0014] 4. The support plate is set in an isosceles trapezoidal shape, so that during the clamping operation, the waste chips and cutting fluid generated by the milling machine will fall along the inclined edge of the support plate to avoid excessive accumulation of waste on the surface of the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a plane processing fixture for a gantry milling machine of the utility model;

[0016] Figure 2 It is a side sectional view of the utility model;

[0017] Figure 3 It is an enlarged view of structure A of the utility model;

[0018] Figure 4 It is an enlarged view of structure B of the present utility model.

[0019] Explanation of the accompanying drawings: 1. Support base; 11. Convex slide groove; 2. Support plate; 21. Through hole; 22. Opening hole; 3. Limiting assembly; 31. Sliding block; 32. Threaded hole; 33. Fastening bolt; 4. Clamp assembly; 41. Equipment box; 411. First support hole; 412. Second support hole; 42. Worm gear; 43. Worm; 44. Transmission shaft; 45. Driving device; 46. Bearing assembly; 47. Eccentric wheel. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0021] like Figure 1-4 As shown:

[0022] The present embodiment provides a plane processing fixture for a gantry milling machine, including symmetrically arranged support bases 1, two support bases 1 are movably provided with support plates 2, the corresponding support bases 1 should be provided with a limit assembly 3 for limiting and fixing the movement of the support plates 2, and the support plates 2 are provided with a fixture assembly 4.

[0023] When in use, the support base 1 is fixed on the base surface of the processing station of the milling machine, and then the position of the support plate 2 is adjusted, that is, the limit assembly 3 is loosened to allow the support plate 2 to move, so that the eccentric wheel 47 of the clamp assembly 4 fits with the special-shaped workpiece or leaves a small gap, and then the fastening bolts 33 are tightened to limit the position of the support plate 2. Furthermore, the driving device 45 drives the worm 43 to rotate, and the worm 43 drives the worm wheel 42 to rotate, so that the worm wheel 42 can drive the transmission shaft 44 and the eccentric wheel 47 that rotates with the transmission shaft 44 to rotate at the same time, and then when the eccentric wheel 47 rotates, it can generate an extrusion force on the special-shaped workpiece, thereby clamping the special-shaped workpiece.

[0024] like Figure 1 , 2 As shown in Figure 3, the limiting assembly 3 includes a plurality of sliding blocks 31 movably arranged on the supporting base 1, and the corresponding supporting base 1 is provided with a convex sliding groove 11 corresponding to the sliding block 31, a threaded hole 32 is rotatably provided on the sliding block 31, and a fastening bolt 33 is rotatably provided in the threaded hole 32, and a through hole 21 matching the fastening bolt 33 is provided on the support plate 2, and the fastening bolt 33 passes through the through hole 21 provided on the support plate 2, and then is threadedly connected with the threaded hole 32, so that the support plate 2 is limited and fixed after its position is adjusted.

[0025] like Figure 2 As shown, the clamp assembly 4 includes an equipment box 41 fixedly arranged on the lower base surface of the support plate 2, and a worm wheel 42 and a worm 43 that cooperate with each other are rotatably arranged in the equipment box 41. The worm wheel 42 and the worm 43 are arranged in cooperation with each other. While the worm 43 drives the worm wheel 42 to rotate, a certain limit can also be formed on the worm wheel 42, that is, after the eccentric wheel 47 clamps the special-shaped workpiece, it can ensure that the eccentric wheel 47 will not be loosened due to the vibration of the milling machine operation.

[0026] like Figure 1 As shown, a transmission shaft 44 is provided on the worm wheel 42, and a first supporting hole 411 matching the transmission shaft 44 and a second supporting hole 412 matching the worm 43 are respectively opened on the corresponding equipment box 41, and one end of the worm 43 passes through the second supporting hole 412 and is transmission-connected with a driving device 45 arranged on one side of the equipment box 41.

[0027] like Figure 2 As shown, a bearing assembly 46 is provided in the first support hole 411 and the second support hole 412, an opening 22 is provided on the support plate 2 corresponding to the transmission shaft 44, the upper end of the transmission shaft 44 is arranged through the opening 22, and an eccentric wheel 47 that rotates with it is fixed on the end, and the eccentric wheel 47 rotates with the transmission shaft 44, so that a good squeezing force can be generated on the special-shaped workpiece when clamping the special-shaped workpiece, that is, compared with the traditional clamp, it can have a better holding force on the special-shaped workpiece.

[0028] like Figure 1 As shown, the support plate 2 is arranged in an isosceles trapezoidal shape, that is, the equipment box 41 is arranged on the lower base surface of the highest part of the arch bridge, so that during the use of the equipment, the waste chips and cutting fluid generated by the milling machine will fall on its two oblique sides, avoiding excessive accumulation of waste on the surface of the support plate 2.

[0029] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0030] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A plane processing fixture for a gantry milling machine, characterized in that: The invention comprises symmetrically arranged support bases (1), two support bases (1) are movably provided with support plates (2), and corresponding support bases (1) are provided with limit assemblies (3) for limiting and fixing the movement of the support plates (2), and the support plates (2) are provided with clamp assemblies (4).

2. The plane processing fixture of a gantry milling machine as claimed in claim 1, characterized in that: The limiting assembly (3) comprises a plurality of sliding blocks (31) movably arranged on the supporting base (1); the corresponding supporting base (1) is provided with a convex sliding groove (11) corresponding to the sliding block (31); a threaded hole (32) is rotatably provided on the sliding block (31); a fastening bolt (33) is rotatably provided in the threaded hole (32); and a through hole (21) matching the fastening bolt (33) is provided on the support plate (2).

3. The plane processing fixture of a gantry milling machine as claimed in claim 2, characterized in that: The clamp assembly (4) comprises an equipment box (41) fixedly arranged on the lower base surface of the support plate (2), and a worm wheel (42) and a worm (43) which cooperate with each other are rotatably arranged in the equipment box (41).

4. The plane processing fixture of a gantry milling machine as claimed in claim 3, characterized in that: The worm wheel (42) is provided with a transmission shaft (44), and the corresponding equipment box (41) is respectively provided with a first support hole (411) matching the transmission shaft (44) and a second support hole (412) matching the worm (43), and one end of the worm (43) passes through the second support hole (412) and is transmission-connected to a driving device (45) arranged on one side of the equipment box (41).

5. The plane processing fixture of a gantry milling machine as claimed in claim 4, characterized in that: A bearing assembly (46) is provided in each of the first supporting hole (411) and the second supporting hole (412); an opening (22) is provided on the support plate (2) corresponding to the transmission shaft (44); the upper end of the transmission shaft (44) passes through the opening (22), and an eccentric wheel (47) is fixedly provided on the end to rotate with the transmission shaft.

6. The plane processing fixture of a gantry milling machine as claimed in claim 5, characterized in that: The support plate (2) is arranged in an isosceles trapezoidal shape.

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