Universal milling machine tool clamp with nut clamping mechanism

Abstract

The utility model discloses a universal milling machine tool clamp with a nut clamping mechanism. The clamp comprises a base, a vertical plate and a clamping part, wherein the vertical plate is vertically arranged, and the clamping part is arranged above the vertical plate. The clamping part drives the clamping piece to achieve clamping action through a stud and a nut which are in threaded connection, and a replaceable hole positioning part is arranged at the lower end of the vertical plate so as to meet the positioning requirements of part holes with different diameters. The hole positioning part comprises a fixing column, a connecting rod and a part positioning column which are connected through threads, so that the positioning position and angle are convenient to adjust. In addition, the clamping part is further provided with a plurality of auxiliary holes which can be used for installing cushion blocks or supporting columns, and the clamping stability is further enhanced. Through the flexible and adjustable clamping and positioning mechanism and the good adaptability to parts with different shapes and sizes, the machining precision and efficiency are remarkably improved, the production cost is reduced, and wide application prospects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machining device especially relates to a general-purpose milling machine tool fixture with nut clamping mechanism. BACKGROUND

[0002] In the field of mechanical manufacturing, milling machine as a kind of widely used processing equipment, for realizing the machining of various complex shape and precision requirement parts plays a vital role. Especially in processing small, special-shaped and with hole structure parts, accurate clamping positioning is the key to ensure the processing quality and efficiency.

[0003] In the prior art, common clamping methods include but are not limited to pressing plate clamping, spiral clamping and manual clamping. These traditional methods can usually meet the basic clamping requirements when processing standard shape or large size parts. However, when facing small, special-shaped and especially irregular hole parts, the traditional clamping parts are often difficult to achieve stable and accurate clamping. On the one hand, due to the small size and complex shape of the parts, the traditional clamping method is easy to cause unstable clamping, and the parts are easy to loosen during machining, which affects the machining precision and surface quality, and even may cause the workpiece to be scrapped or the machine tool to be damaged. On the other hand, in order to avoid loosening and over-clamping, the parts may be deformed due to stress concentration, especially for parts with soft material or thin wall structure, the deformation is particularly obvious, which seriously reduces the final use performance of the product. Designing special fixture for each different shape and size of parts can ensure the stability of clamping and machining precision, but this method significantly increases the production cost and preparation time, which does not meet the production concept of modern manufacturing industry pursuing high efficiency and low cost. Especially in small batch and diversified production mode, frequent replacement of special fixture not only is low in efficiency, but also is not economical, which greatly limits the production flexibility and market competitiveness.

[0004] Therefore, it is a technical problem to be solved by those skilled in the art to develop a general-purpose milling machine tool fixture which can effectively adapt to the clamping requirements of various small, special-shaped and hole parts, and can ensure stable clamping and avoid part deformation. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a generality milling machine frock clamp with nut clamping mechanism, can give attention to generality, stability and economy's novel frock clamp of economy, the device includes base and vertical board, the vertical board is vertically established above base, the base is used for fixing frock clamp, the vertical board is used for clamping work piece, the vertical board top is provided with clamping part, the middle of clamping part is provided with clamping hole, the clamping hole is provided with screw thread, the clamping hole screw thread is fixed with stud, the stud front end is provided with clamping piece, the clamping piece front end is provided with nut, the nut rotates and pushes the clamping piece to move inwards in the stud front end, realizes the clamping of work piece.

[0006] Further, the lower end of the vertical plate is provided with a positioning through hole, and the positioning through hole is provided with a replaceable hole positioning part.

[0007] Preferably, the hole positioning part comprises a fixing column, the fixing column is arranged in the positioning through hole, and a connecting rod is connected to the front part of the fixing column.

[0008] Further, the connecting rod, the fixing column and the part positioning column are fixed by screw threads, the part positioning column can move on the connecting rod, and the connecting rod can rotate around the fixing column.

[0009] Further, the clamping part is provided with a plurality of auxiliary holes, and the auxiliary holes are provided with pads or supporting columns according to clamping requirements.

[0010] Preferably, two auxiliary holes are arranged in parallel on the left and right of the clamping hole.

[0011] Preferably, one auxiliary hole is arranged below the clamping hole.

[0012] The utility model has the advantages and beneficial effects that the clamping part of the utility model is provided with a threaded clamping hole and a stud, the clamping piece can be pushed to move inwards by rotating the nut, and the clamping of work pieces of different sizes can be realized. Meanwhile, the positioning through hole at the lower end of the vertical plate is provided with a replaceable hole positioning part, the part positioning column of different diameters can be replaced according to the size of the hole of the work piece, and the hole positioning part can realize accurate hole positioning of different work pieces through the screw thread fixing and circumferential rotation design between the connecting rod, the fixing column and the part positioning column. The clamping part is provided with a plurality of auxiliary holes, pads or supporting columns can be arranged according to clamping requirements, and the adaptability and clamping stability of the clamp are further enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0014] Figure 1 It is a schematic view of the present application in working state.

[0015] Figure 2 It is a schematic view of the present application in non-clamping state.

[0016] Figure 3 It is a schematic view of the present application with hole positioning part.

[0017] In the drawings, 1 is a base, 2 is a vertical plate, 3 is a clamping part, 31 is a clamping hole, 32 is a stud, 33 is a clamping piece, 34 is a nut, 35 is an auxiliary hole, 351 is a cushion block, 352 is a supporting column, 4 is a positioning through hole, 41 is a hole positioning part, 411 is a fixing column, 412 is a connecting rod, and 413 is a part positioning column. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without any creative effort belong to the scope of protection of the present application. In addition, it should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, the orientation words such as "upper" and "lower" generally refer to the upper and lower directions of the device in actual use or working state, and specifically refer to the directions of the drawing surface in the drawings. The "inner" and "outer" refer to the outline of the device.

[0019] As shown in Figure 1 , Figure 2 and Figure 3 , the fixture comprises a base 1 for stably fixing the entire tooling fixture on a milling machine. A vertical plate 2 is vertically arranged above the base 1, and the main function of the vertical plate 2 is to clamp and support the workpiece.

[0020] The upper part of the vertical plate 2 is provided with a clamping part 3, and a clamping hole 31 is formed in the center of the clamping part 3. A threaded hole is formed in the clamping hole 31. A threaded stud 32 is screwed into the clamping hole 31, and the front end of the threaded stud 32 extends out of the clamping hole 31 and is connected to a clamping piece 33. The front end of the clamping piece 33 is provided with a nut 34. By rotating the nut 34, the clamping piece 33 can be driven to move along the axis of the threaded stud 32, thereby clamping or releasing the workpiece.

[0021] A positioning through hole 4 is formed in the middle of the lower end of the vertical plate 2, and a replaceable hole positioning part 41 is installed in the positioning through hole 4. The hole positioning part 41 includes a fixed column 411, which is fixedly installed in the positioning through hole 4. The front part of the fixed column 411 is connected to a connecting rod 412 through a threaded connection. The other end of the connecting rod 412 is provided with a part positioning column 413, which is used to insert into the hole of the workpiece to achieve precise positioning. The connecting rod 412, the fixed column 411 and the part positioning column 413 are connected by threads, so that the position of the part positioning column 413 and the angle of the connecting rod 412 can be adjusted as needed.

[0022] A plurality of auxiliary holes 35 are provided on the clamping part 3, which are used to install spacers 351 or support columns 352 to enhance the adaptability and clamping stability of the clamp. Specifically, two auxiliary holes 35 are formed in parallel on the left and right sides of the clamping hole 31, and one auxiliary hole 35 is formed below the clamping hole 31 to ensure the overall stability of the clamping.

[0023] Specific use steps:

[0024] In this embodiment, according to the shape, size and hole position of the workpiece, the appropriate part positioning column 413 is selected and installed on the fixed column 411 through the connecting rod 412. The length and angle of the connecting rod 412 are adjusted so that the part positioning column 413 can be accurately inserted into the hole of the workpiece. The workpiece is placed on the vertical plate 2, and the preliminary positioning is achieved through the part positioning column 413.

[0025] The nut 34 is rotated to drive the clamping piece 33 to move forward along the threaded stud 32 until it tightly clamps the workpiece. If necessary, spacers 351 or support columns 352 can be inserted into the auxiliary holes 35 to further enhance the stability and adaptability of the clamping. The entire tooling clamp is fixed on the milling machine, and the milling machine is started for processing. After processing is completed, the nut 34 is rotated in the opposite direction to loosen the clamping piece 33, and the workpiece is removed.

[0026] The utility model discloses a generality milling machine frock clamp with nut clamping mechanism has carried out the detailed introduction. The principle and implementation mode of the present application are described in the paper by applying specific examples, and the above embodiment is only used for helping understanding the method and core thought of the utility model. It should be pointed out that for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claim.

Claims

1. A universal milling machine tool fixture with nut clamping mechanism, the device comprising a base (1) and a vertical plate (2) vertically erected above the base (1), characterized in that, The vertical plate (2) is provided with a clamping part (3) above, the clamping part (3) is provided with a clamping hole (31) in the middle, the clamping hole (31) is provided with a thread, the clamping hole (31) is fixed with a stud (32) in the thread, the stud (32) is provided with a clamping piece (33) at the front end, the clamping piece (33) is provided with a nut (34) at the front end, the nut (34) is rotated at the front end of the stud (32) to push the clamping piece (33) to move inward, so as to clamp the workpiece, the vertical plate (2) is provided with a positioning through hole (4) in the middle of the lower end, the positioning through hole (4) is provided with a replaceable hole positioning part (41), the hole positioning part (41) can be replaced with different diameters according to the size of the hole of the processed part.

2. A universal milling fixture with nut clamping mechanism as claimed in claim 1 wherein, The hole positioning part (41) comprises a fixed column (411), the fixed column (411) is arranged in the positioning through hole (4), the fixed column (411) is connected with a connecting rod (412) at the front part, and the connecting rod (412) is provided with a part positioning column (413) at the other end.

3. A universal milling fixture with nut clamping mechanism as claimed in claim 2, wherein, The connecting rod (412), the fixed column (411) and the part positioning column (413) are fixed by threads, the part positioning column (413) can move on the connecting rod (412), and the connecting rod (412) can rotate around the circumference of the fixed column (411).

4. A universal milling fixture with nut clamping mechanism as claimed in claim 3, wherein, A plurality of auxiliary holes (35) are arranged on the clamping part (3), and the auxiliary holes (35) can be provided with a pad (351) or a supporting column (352) according to the clamping requirement.

5. A universal milling fixture with nut clamping mechanism as claimed in claim 4 wherein, Two auxiliary holes (35) are arranged in parallel on the left and right of the clamping hole (31).

6. A universal milling fixture with nut clamping mechanism as claimed in claim 4 wherein, An auxiliary hole (35) is arranged below the clamping hole (31). An auxiliary hole (35) is arranged below the clamping hole (31).

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