CNC machining clamp

Abstract

The utility model discloses a CNC machining clamp which comprises a base, a fixing piece 2 and a clamp body, the fixing piece 2 is installed on the surface of the top side of the base, and the clamp body is installed on the surface of the fixing piece 2. The clamp body comprises a bearing piece and a covering piece, the bearing piece is connected to the surface of the fixing piece 2, and the covering piece is correspondingly matched with the surface of the bearing piece. A workpiece to be machined is placed between the bearing piece and the covering piece, the bearing piece bears the workpiece, the covering piece covers the surface of the side, back on to the bearing piece, of the workpiece, and therefore the covering piece can cooperate with the bearing piece to clamp the workpiece between the covering piece and the bearing piece. According to the CNC machining clamp, the workpiece is clamped through the bearing piece and the covering piece, the workpiece to be machined is placed between the bearing piece and the covering piece, the bearing piece bears the workpiece, the covering piece covers the surface of the side, opposite to the bearing piece, of the workpiece, and therefore the covering piece can cooperate with the bearing piece to clamp the workpiece between the covering piece and the bearing piece; and the workpiece is stably clamped on the fixing piece 2.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a CNC processing clamp. Background Art

[0002] CNC machining is the abbreviation of Computer Numerical Control machining. It is a method of machining using computer-controlled machine tools, which controls the movement and machining process of machine tools through pre-programmed instructions to achieve precise machining and shape processing of workpieces. In CNC machining, a CNC fixture is a device used to clamp and fix the workpiece for CNC machining. It is used on CNC machine tools to maintain the stability and precise position of the workpiece to ensure accuracy and repeatability during the machining process. CNC fixtures usually consist of fixture beds, fixture clamping systems, fixture fixing systems, and fixture control systems. CNC fixtures play an important role in various CNC machining applications, including milling, turning, drilling, lathes, wire cutting and other machining processes. Their design and selection are of great significance to ensure machining quality, improve production efficiency and reduce costs.

[0003] The utility model patent with application number 201621417290.0 discloses a CNC universal fixture, which is provided with a base groove on the base body for accommodating a workpiece fixture, and a workpiece groove on the workpiece fixture for accommodating the workpiece, so that the workpiece can be installed on the base body through the workpiece fixture, and then CNC processing is performed. The workpiece fixture is fixed on the sealing gasket in the base groove by vacuum adsorption, and the sealing gasket is provided with a vacuum channel for providing suction force for the sealing gasket and the workpiece fixture, so as to achieve stable adsorption between the workpiece fixture and the base groove. This solution eliminates the fixing parts such as screws that fix the workpiece fixture in the base groove. However, this fixing method obviously lacks sufficient connection strength to maintain a stable connection between the workpiece fixture and the base body for CNC processing of stainless steel products. In addition, this solution is used for clamping and fixing a single workpiece, and the processing surface is single, and the processing efficiency is insufficient. Utility Model Content

[0004] Based on this, it is necessary to provide a CNC machining fixture to address the technical problem that the existing CNC machining fixture has insufficient clamping stability for stainless steel workpieces.

[0005] A CNC machining fixture comprises a base, a fixing part and a fixture body, wherein the fixing part is mounted on the top surface of the base and the fixture body is mounted on the surface of the fixing part; wherein the fixture body comprises a supporting part and a covering part, wherein the supporting part is connected to the surface of the fixing part and the covering part corresponds to the surface of the supporting part.

[0006] The workpiece to be processed is placed between the supporting member and the covering member. The supporting member supports the workpiece, and the covering member covers the surface of the workpiece facing away from the supporting member, so that the covering member can cooperate with the supporting member to clamp the workpiece between the two.

[0007] In one embodiment, the CNC machining fixture comprises two fixture bodies, which are mounted on the top of the fixing member, one fixture body is mounted on the top side surface of the fixing member, and the other fixture body is mounted on a side surface of the top of the fixing member.

[0008] In one embodiment, the fixing member is installed with adjacent side surfaces of the clamp body at a preset angle, that is, the angle of the clamping direction of the two clamp bodies to the workpiece is also set at a corresponding preset angle.

[0009] In one embodiment, the preset angle is set to 90°.

[0010] In one embodiment, each of the above-mentioned clamp bodies includes two covering parts, and the two covering parts are respectively matched with two ends of the top surface of the supporting member to form two clamping sites, that is, each clamp body can clamp two workpieces.

[0011] In one embodiment, each of the above-mentioned supporting members is provided with two matching grooves, the two matching grooves are arranged at two ends of the top surface of the supporting member, and the two matching grooves correspond to the two covering members one by one respectively.

[0012] In one embodiment, each of the above-mentioned matching grooves matches with the bottom surface of the workpiece.

[0013] In one embodiment, each of the supporting members is provided with two matching portions, and the two matching portions are respectively corresponding to the two matching grooves and are respectively provided at two ends of the top surface of the supporting member, and the two matching portions respectively correspond to the two covering members one by one.

[0014] In one embodiment, each of the above-mentioned matching portions is arranged at the end of the outer end of the supporting member relative to the corresponding matching groove. When the covering member covers the top surface of the workpiece in the matching groove, the bottom surface of the covering member matches with the corresponding matching portion.

[0015] In one embodiment, each of the covering members and each of the matching portion surfaces are provided with corresponding matching through holes.

[0016] In one embodiment, the base is provided with a plurality of connection grooves, which are arranged on the side edges of the base and extend inwardly by a preset distance respectively.

[0017] The CNC machining fixture disclosed in the utility model clamps the workpiece through a supporting member and a covering member. The workpiece to be processed is placed between the supporting member and the covering member. The supporting member supports the workpiece, and the covering member covers the side surface of the workpiece that is opposite to the supporting member, so that the covering member can cooperate with the supporting member to clamp the workpiece between the two, so as to stably clamp the workpiece on the fixing member, and then connect to the CNC machining center through the base, and finally realize the clamping function of the CNC machining fixture. At this time, the CNC machining center can perform surface processing such as high light treatment on the surface of the workpiece exposed to the outside of the covering member. Based on this, the stable clamping of the workpiece can effectively avoid the situation where the workpiece produces knife marks, thereby improving the yield of the workpiece processing. In addition, the CNC machining fixture includes two fixture bodies, and the two fixture bodies are installed on the top of the fixing member, one of which is installed on the top side surface of the fixing member, and the other fixture body is installed on the side surface of the top of the fixing member, so as to form two adjacent clamping and processing directions based on the fixing member. Specifically, the two side surfaces of the fixing part on which the clamp body is installed are arranged as adjacent side surfaces with a preset angle, so that the clamping direction angle of the two clamp bodies to the workpiece is also arranged at a corresponding preset angle. Based on this, when the workpiece clamped by one of the clamp bodies completes the CNC processing process, the operator can make the other clamp body face the CNC processing direction by flipping the base at a preset angle, so as to perform CNC processing on the workpiece clamped by the other clamp body, thereby realizing multi-workpiece clamping processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a CNC machining fixture in one embodiment;

[0019] Figure 2 It is a schematic diagram of the exploded structure of a CNC machining fixture in one embodiment;

[0020] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the M portion in the illustrated embodiment. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0027] See also Figures 1 to 3 The utility model discloses a CNC machining fixture, which includes a base 1, a fixing member 2 and a fixture body 3. The fixing member 2 is installed on the top surface of the base 1, and the fixture body 3 is installed on the surface of the fixing member 2; wherein the fixture body 3 includes a supporting member 31 and a covering member 32, the supporting member 31 is connected to the surface of the fixing member 2, and the covering member 32 corresponds to the surface of the supporting member 31. The workpiece 4 to be processed is placed between the supporting member 31 and the covering member 32. The supporting member 31 supports the workpiece 4, and the covering member 32 covers the surface of the workpiece 4 on the side facing away from the supporting member 31, so that the covering member 32 can cooperate with the supporting member 31 to clamp the workpiece 4 between the two, so as to stably clamp the workpiece 4 on the fixing member 2, and then connect it to the CNC machining center through the base 1, and finally realize the clamping function of the CNC machining fixture. At this time, the CNC machining center can perform surface processing such as high gloss treatment on the surface of the workpiece 4 exposed to the outside of the covering member 32. Based on this, by stably clamping the workpiece 4, it is possible to effectively avoid the occurrence of knife marks on the workpiece 4, thereby improving the machining yield of the workpiece 4.

[0028] In this embodiment, the CNC processing fixture includes two fixture bodies 3, and the two fixture bodies 3 are installed on the top of the fixing member 2, wherein one fixture body 3 is installed on the top side surface of the fixing member 2, and the other fixture body 3 is installed on the side surface of the top of the fixing member 2, thereby forming two adjacent clamping and processing directions based on the fixing member 2. Specifically, the two side surfaces of the fixing member 2 on which the fixture bodies 3 are installed are set as adjacent side surfaces with a preset angle, so that the clamping direction angles of the two fixture bodies 3 to the workpiece 4 are also set at a corresponding preset angle. Based on this, when the workpiece 4 clamped by one of the fixture bodies 3 completes the CNC processing process, the operator can turn the base 1 by a preset angle to make the other fixture body 3 face the CNC processing direction, so as to perform CNC processing on the workpiece 4 clamped by the other fixture body 3, thereby realizing the clamping processing of multiple workpieces 4. In this embodiment, the above-mentioned preset angle is set to 90°.

[0029] Further, each fixture body 3 includes two covering members 32, and the two covering members 32 are respectively matched with the two ends of the top surface of the supporting member 31, thereby forming two clamping sites, that is, each fixture body 3 can clamp two workpieces 4. Specifically, each supporting member 31 is provided with two matching grooves 311, and the two matching grooves 311 are provided at the two ends of the top surface of the supporting member 31, and the two matching grooves 311 correspond to the two covering members 32 one by one. Specifically, each matching groove 311 is matched with the bottom surface of the workpiece 4, so that the workpiece 4 can be embedded in the matching groove 311, so that the matching groove 311 effectively limits the relative position between the workpiece 4 and the supporting member 31. When the fixture body 3 clamps the two workpieces 4, the two workpieces 4 are embedded in the corresponding matching grooves 311, and the two covering members 32 respectively cover the top surface of the workpiece 4 in the corresponding matching grooves 311, so that the supporting member 31 cooperates with the two covering members 32 to stably clamp the two workpieces 4.

[0030] Further, each supporting member 31 is provided with two matching parts 312, and the two matching parts 312 are respectively provided at the two ends of the top surface of the supporting member 31 corresponding to the two matching grooves 311, and the two matching parts 312 are respectively corresponding to the two covering members 32. Specifically, each matching part 312 is provided at the end of the outer end of the supporting member 31 corresponding to the matching groove 311, and when the covering member 32 covers the top surface of the workpiece 4 in the matching groove 311, the bottom surface of the covering member 32 is matched with the corresponding matching part 312, thereby improving the connection tightness between the covering member 32 and the corresponding supporting member 31, and further improving the clamping stability of the fixture body 3 to the workpiece 4. In this embodiment, each covering member 32 and each matching part 312 surface are provided with corresponding matching through holes 300, so that each covering member 32 and the corresponding matching part 312 can be fixedly connected through a columnar fixing member 2 such as a stud, a screw, etc., so as to further strengthen the connection strength between the covering member 32 and the matching part 312.

[0031] Furthermore, the base 1 is provided with a plurality of connection grooves 11, which are provided at the side edges of the base 1 and extend inward by a preset distance respectively. The base 1 is installed and connected to the CNC machining center through the plurality of connection grooves 11.

[0032] In summary, the CNC machining fixture disclosed by the utility model clamps the workpiece through a supporting member and a covering member, the workpiece to be processed is placed between the supporting member and the covering member, the supporting member supports the workpiece, and the covering member covers the side surface of the workpiece facing away from the supporting member, so that the covering member can cooperate with the supporting member to clamp the workpiece between the two, so as to stably clamp the workpiece on the fixing member 2, and then connect to the CNC machining center through the base, and finally realize the clamping function of the CNC machining fixture. At this time, the CNC machining center can perform surface processing such as high light treatment on the surface of the workpiece exposed to the outside of the covering member. Based on this, the stable clamping of the workpiece can effectively avoid the situation where the workpiece produces knife marks, thereby improving the yield of the workpiece processing. In addition, the CNC machining fixture includes two fixture bodies, and the two fixture bodies are installed on the top of the fixing member 2, one of which is installed on the top side surface of the fixing member 2, and the other fixture body is installed on the side surface of the top of the fixing member 2, so as to form two adjacent clamping and processing directions based on the fixing member 2. Specifically, the two side surfaces of the fixing member 2 on which the clamp body is installed are arranged as adjacent side surfaces at a preset angle, so that the clamping direction angles of the two clamp bodies to the workpiece are also arranged at corresponding preset angles. Based on this, when the workpiece clamped by one of the clamp bodies completes the CNC machining process, the operator can make the other clamp body face the CNC machining direction by flipping the base at a preset angle, so as to perform CNC machining on the workpiece clamped by the other clamp body, thereby realizing multi-workpiece clamping machining.

[0033] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0034] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A CNC machining fixture, characterized in that: include: A base, a fixing member and a clamp body, wherein the fixing member is mounted on the top surface of the base, and the clamp body is mounted on the surface of the fixing member; wherein the clamp body comprises a supporting member and a covering member, wherein the supporting member is connected to the surface of the fixing member, and the covering member is matched with the surface of the supporting member; The workpiece to be processed is placed between the supporting member and the covering member, the supporting member supports the workpiece, and the covering member covers the surface of the workpiece facing away from the supporting member, so that the covering member can cooperate with the supporting member to clamp the workpiece between the two.

2. The CNC machining fixture according to claim 1, characterized in that: The CNC machining fixture comprises two fixture bodies, which are installed on the top of the fixing member, one of which is installed on the top side surface of the fixing member, and the other is installed on a side surface of the top of the fixing member.

3. The CNC machining fixture according to claim 2, characterized in that: The two side surfaces of the fixture body are mounted on the fixing member and are arranged as adjacent side surfaces with a preset angle.

4. The CNC machining fixture according to claim 3, characterized in that: Each of the clamp bodies includes two covering members, and the two covering members are respectively matched with two ends of the top side surface of the supporting member.

5. The CNC machining fixture according to claim 4, characterized in that: Each of the supporting members is provided with two matching grooves, the two matching grooves are arranged at two ends of the top side surface of the supporting member, and the two matching grooves correspond to the two covering members one by one respectively.

6. The CNC machining fixture according to claim 5, characterized in that: Each of the matching grooves is matched with the bottom surface of the workpiece.

7. The CNC machining fixture according to claim 6, characterized in that: Each of the supporting members is provided with two matching parts, and the two matching parts are respectively corresponding to the two matching grooves and are arranged at two ends of the top side surface of the supporting member, and the two matching parts respectively correspond to the two covering members one by one.

8. The CNC machining fixture according to claim 7, characterized in that: Each of the matching parts is arranged at the end of the outer end of the supporting member relative to the corresponding matching groove. When the covering member covers the top surface of the workpiece in the matching groove, the bottom surface of the covering member matches with the corresponding matching part.

9. The CNC machining fixture according to claim 8, characterized in that: Each of the covering members and each of the matching portion surfaces are provided with corresponding matching through holes.

10. The CNC machining fixture according to claim 9, characterized in that: The base is provided with a plurality of connection grooves, and the plurality of connection grooves are arranged on the side edges of the base and extend inwardly by a preset distance respectively.

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