CNC machining clamp

Abstract

The utility model discloses a CNC (Computer Numerical Control) machining fixture which is characterized by comprising a base and more than three fixture bodies arranged on the base side by side, each clamp body comprises a fixed seat, three movable seats, a guide rail assembly and a screw rod, each of the fixed seat and the movable seats is provided with a through hole, and the screw rod penetrates into the through holes of the fixed seat and the movable seats; the guide rail assembly and the lead screw are arranged in parallel, and the movable base is movably arranged on the guide rail. Nuts for locking the movable seats are arranged on the outer side of the fixed movable seat and the outer side of the last movable seat; a workpiece is selectively fixed between the fixed seat and the movable seat according to the size of the workpiece. The device is good in stability and convenient to operate, the production efficiency is improved quickly, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of product processing, and more specifically to a CNC processing fixture. Background Art

[0002] Product CNC machining is an important process in manufacturing. CNC fixtures are key tools in CNC machining, which directly affect machining efficiency and yield. CNC machining of workpieces often requires materials of different shapes, sizes and specifications, and the materials need to be processed. In traditional processing, a fixture is used to fix the material on the workbench, and a tool is used to carve the material. After the processing is completed, the material is removed from the fixture and new materials are placed in for processing. It can be seen that the existing conventional fixture technology can only process a small number of products at a time, which is inefficient. For this reason, it is necessary to further improve the existing technology. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and to provide a CNC machining fixture which is stable, reliable, easy to use and can clamp a plurality of workpieces of different sizes at the same time.

[0004] The utility model adopts the following technical solutions to achieve the above-mentioned purpose: a CNC processing fixture, characterized in that it includes a base, and more than three fixture bodies arranged side by side on the base; each fixture body includes a fixed seat, three movable seats, a guide rail assembly, and a screw rod, and the fixed seat and the movable seat are each provided with a through hole, and the screw rod penetrates into the through holes of the fixed seat and the movable seat; the guide rail assembly and the screw rod are arranged parallel to each other, and the movable seat is movably arranged on the guide rail; nuts for locking the movable seat are provided on the outer side of the fixed seat and the outer side of the last movable seat; the workpiece is fixed between the fixed seat and the movable seat according to its own size.

[0005] As a further illustration of the above scheme, the guide rail assembly includes a left guide rail and a right guide rail parallel to each other, and the fixed seat and the movable seat are both provided with two guide rail grooves, and the left guide rail and the right guide rail pass through the two guide rail grooves respectively.

[0006] Furthermore, the left guide rail and the right guide rail are respectively provided with a plurality of holes, and fasteners are provided on the holes to connect and fix with the base.

[0007] Furthermore, there is a gap between the left guide rail and the right guide rail, and the nut is arranged between the left guide rail and the right guide rail.

[0008] Furthermore, the screw rod passes through the fixed seat and three movable seats in sequence, and the ends of the last movable seat and the fixed seat are respectively provided with grooves, and the nuts are embedded in the grooves.

[0009] Furthermore, the fixing seat is provided with a pin hole, in which a pin is provided to connect and fix the guide rail assembly.

[0010] Furthermore, a locking handle is provided at the head of the screw rod, a locking handle hole is provided in the middle of the locking handle, and a simple tool strip can be used to fasten the movable seat to lock the workpiece in the locking handle hole.

[0011] The beneficial effects that can be achieved by the utility model by adopting the above technical solution are:

[0012] The utility model adopts a CNC machining fixture structure which is mainly composed of a base and more than three fixture bodies arranged side by side on the base. Each fixture body includes a fixed seat, three movable seats, a guide rail assembly, and a screw rod. The movable seat contracts and clamps the workpiece through the rotation of the screw rod. The operation is convenient, the production efficiency is quickly improved, and the production cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Explanation of the reference numerals: 1. base, 2. guide rail assembly, 201. left guide rail, 202. right guide rail, 301. locking handle, 302. locking hole, 303. screw rod, 4. nut, 5. fixed seat, 501. groove, 601. movable seat, 602. movable seat, 603. movable seat, 7. pin, 8. hole. DETAILED DESCRIPTION

[0015] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0016] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, "at least" means one or more, unless otherwise clearly and specifically defined.

[0017] In the present invention, unless otherwise specified and limited, the terms "assembly", "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 also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] In the utility model, unless otherwise specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "below" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than the height of the second feature. A first feature being "above", "below" and "below" a second feature includes that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than the second feature.

[0019] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, and cannot be understood as limiting the utility model.

[0020] like Figure 1As shown, the utility model is a CNC machining fixture, which includes a base 1, three fixture bodies arranged side by side on the base; each fixture body includes a fixed seat 5, three movable seats, a guide rail assembly 2, and a screw 303. The guide rail assembly 2 includes a left guide rail 202 and a right guide rail 201 arranged in parallel with each other, and the left guide rail and the right guide rail are spaced apart from each other. A limit pin hole is arranged inside the base, and a corresponding hole 8 is arranged on the guide rail assembly. A limit pin is arranged on the hole, and the limit pin is fixed on the limit pin hole after passing through the hole, so as to fix the guide rail. Nuts 4 for locking the movable seat are arranged on the outer side of the fixed seat and the outer side of the last movable seat, and the nuts 4 are used to lock and fix. Grooves 501 are respectively arranged at the ends of the last movable seat and the fixed seat, and the nuts are embedded in the grooves 501. The guide rail assembly is provided with a fixed seat and a movable seat 601 / 602 / 603, the fixed seat is fixed by a pin, the fixed seat and the movable seat 601 / 602 / 603 are provided with a through hole, and the fixed seat and the movable seat 601 / 602 / 603 are provided with two guide rail grooves; the screw rod penetrates into the through holes of the fixed seat and the movable seat 601 / 602 / 603; the right guide rail 201 and the left guide rail 202 are arranged parallel to the screw rod 303, and penetrate into the fixed seat 5 and the movable seat 601 / 602 / 603 respectively. 1 / 602 / 603; the outer side of the fixed seat 5 and the outer side of the movable seat 603 are provided with a nut 4 for locking the movable seat, the screw rod 303 is provided with a locking handle 301, and a locking handle hole 302 is provided in the middle of the locking handle 301. The screw rod 303 is telescoped through the nut 4 to control the movable seat 601 / 602 / 603 to clamp the workpiece, the locking handle 301 is used for convenient operation of the screw rod 303 rotation, and the locking handle hole 302 is used for a simple tool strip to tighten the movable seat to lock the workpiece.

[0021] Compared with the prior art, the utility model adopts a CNC machining fixture structure which is mainly composed of a base and more than three fixture bodies arranged side by side on the base. Each fixture body includes a fixed seat, three movable seats, a guide rail assembly, and a screw rod. The movable seat contracts and clamps the workpiece through the rotation of the screw rod. The operation is convenient, the production efficiency is quickly improved, and the production cost is reduced.

[0022] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the protection scope of the present invention.

Claims

1. A CNC machining fixture, characterized in that: It includes a base, and more than three clamp bodies arranged side by side on the base; each clamp body includes a fixed seat, three movable seats, a guide rail assembly, and a screw rod, and the fixed seat and the movable seat are each provided with a through hole, and the screw rod penetrates into the through holes of the fixed seat and the movable seat; the guide rail assembly and the screw rod are arranged parallel to each other, and the movable seat is movably arranged on the guide rail; nuts for locking the movable seat are provided on the outer side of the fixed seat and the outer side of the last movable seat.

2. A CNC machining fixture according to claim 1, characterized in that: The guide rail assembly comprises a left guide rail and a right guide rail which are parallel to each other. The fixed seat and the movable seat are both provided with two guide rail grooves, and the left guide rail and the right guide rail pass through the two guide rail grooves respectively.

3. A CNC machining fixture according to claim 2, characterized in that: The left guide rail and the right guide rail are respectively provided with a plurality of holes, and the holes are provided with fasteners connected and fixed with the base.

4. A CNC machining fixture according to claim 2, characterized in that: There is a gap between the left guide rail and the right guide rail, and the nut is arranged between the left guide rail and the right guide rail.

5. A CNC machining fixture according to claim 1, characterized in that: The screw rod passes through the fixed seat and three movable seats in sequence, and the ends of the last movable seat and the fixed seat are respectively provided with grooves, and the nuts are embedded in the grooves.

6. A CNC machining fixture according to claim 1, characterized in that: The fixing seat is provided with a pin hole, in which a pin is arranged to connect and fix the guide rail assembly.

7. A CNC machining fixture according to claim 1, characterized in that: The screw rod head is provided with a locking handle, the middle of the locking handle is provided with a locking handle hole, and the locking handle hole is used to fasten the movable seat to lock the workpiece with a simple tool strip.

Images