Precise metal cutting clamp

Abstract

The utility model discloses a precision metal cutting clamp, and relates to the technical field of precision metal machining. The metal cutting device comprises a clamping piece used for clamping and fixing metal to be cut and a positioning assembly used for installing and fixing the position of the clamping piece. The clamping piece comprises a supporting table, side clamping plates symmetrically arranged above the side faces of the supporting table, springs arranged in round holes in the middles of the inner sides of the side clamping plates, and abutting plates fixed to the ends of the springs. The positioning assembly comprises a bottom plate arranged at the bottom of the supporting table, a circular plate fixed to one side of the bottom plate, a sliding groove formed in the upper portion of the circular plate, arc-shaped baffles symmetrically arranged on the inner side of the circular plate, a guide rod fixed to the edge of the middle of the circular plate and a positioning bolt fixed to the bottom of the side clamping plate. The arc-shaped baffle is arranged to block splashed chippings and sparks in the cutting process, protection to machining personnel is achieved, the position of the arc-shaped baffle can be adjusted, and cutting protection can be conveniently achieved when cutting workpieces of different sizes are machined.

Description

Technical Field

[0001] The utility model belongs to the technical field of precision metal processing, in particular to a precision metal cutting fixture. Background Art

[0002] Cutting fixtures are also called fixtures or tooling. Their main function is to fix the workpiece during the metal cutting process so that it has the correct processing position and placement for easy processing.

[0003] The existing public patent (publication number CN 220463016 U) discloses a precision metal cutting fixture, which relates to the field of precision metal technology, including a base, support legs fixedly connected at the four corners of the bottom of the base, a quick clamping mechanism provided on the inner wall of the base, a collecting mechanism provided on the bottom of the base, the quick clamping mechanism including a fixing unit and a buffer unit, the collecting mechanism including a collecting unit and a filtering unit, the fixing unit including a bidirectional screw rotatably connected to the inner wall of the base. The utility model cooperates with the provided turntable, bidirectional screw, adjustment plate, clamping plate, support bar, triangular rib, and slide rail, and the turntable rotates the bidirectional screw to make the two adjustment plates and the clamping plate move relative to each other, thereby facilitating the fixing of the workpiece, facilitating the placement of the workpiece by the support bar, and also providing support for the placed workpiece, and the triangular rib can make the connection between the support bar and the adjustment plate more stable, and the slide rail can keep the adjustment plate stable when moving.

[0004] The aforementioned cutting fixtures lack a protective structure during actual machining and clamping, resulting in flying debris and sparks during the cutting process that could harm the operator. To address this issue, we provide a precision metal cutting fixture to address this issue. Utility Model Content

[0005] The purpose of the utility model is to provide a precision metal cutting fixture, which solves the problem that the existing precision metal cutting fixture has a single function and lacks a protective structure by arranging an arc baffle in the positioning component to block flying debris and sparks.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a precision metal cutting fixture, comprising a clamping member for clamping and fixing the metal to be cut, and a positioning assembly for fixing the position of the clamping member; the clamping member comprises a support platform, a side clamping plate symmetrically arranged above the side of the support platform, a spring arranged in a circular hole in the middle of the inner side of the side clamping plate, and a contact plate fixed to the end of the spring;

[0008] The positioning assembly includes a base plate arranged at the bottom of the support platform, a circular plate fixed to one side of the base plate, a slide groove opened on the upper part of the circular plate, an arc-shaped baffle symmetrically arranged on the inner side of the circular plate, a guide rod fixed to the middle edge of the circular plate, and a positioning bolt fixed to the bottom of the side clamping plate.

[0009] The present invention is further configured such that the middle portion of the side clamping plate is in a columnar structure, the upper end branch of the side clamping plate is horizontally arranged, and the lower end branch of the side clamping plate is vertically arranged.

[0010] The present invention is further configured such that protrusions are evenly arranged on the upper side surface of the support platform, and the side surface of the support platform is matched with the threaded end of the positioning bolt.

[0011] The present invention is further configured such that a protrusion is provided at the bottom of the support platform, wherein the protrusion cooperates with the side groove on the bottom plate, and a screw is provided in the middle of the support platform, and the inner end of the screw cooperates with the circular plate.

[0012] The utility model is further configured such that the shaft end of the arc-shaped baffle is located inside the sliding groove, and the shaft end of the arc-shaped baffle is fixed to the circular plate via a fastening nut, and the arc-shaped baffle is located above the side clamping plate.

[0013] The present invention is further configured such that the guide rod passes through the middle portion of the side clamping plate, and the guide rod is arranged in parallel with the bottom plate.

[0014] The present invention is further configured such that a debris groove is provided at one end of the bottom plate close to the circular plate, and a reinforcing rib is installed at the middle position of the lower side surface of the bottom plate.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model realizes protection for processing personnel by setting an arc-shaped baffle to block flying debris and sparks during the cutting process, and the position of the arc-shaped baffle is adjustable, which is convenient for cutting protection when processing workpieces of different sizes. After loosening the fastening nut fixed at the end of the shaft of the arc-shaped baffle, the arc-shaped baffle loses external constraints and is used to adjust the position of the arc-shaped baffle relative to the circular plate. After the adjustment is completed, the shaft is fixed again by fastening the nut, thereby achieving fixed position of the arc-shaped baffle.

[0017] 2. The utility model realizes the positioning of the workpiece by setting a contact plate to contact the side of the workpiece to be cut under the action of the spring, and cooperates with the circular plate to contact the inner end of the workpiece to be cut. During the cutting operation, the cutting blade cuts inward along the edge direction of the side clamping plate. As the cutting progresses, the spring automatically extends, driving the contact plate to adapt to the workpiece being cut and fix it.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is a schematic diagram of the overall structure of a precision metal cutting fixture.

[0021] Figure 2 This is a schematic diagram of the other side of the overall structure of a precision metal cutting fixture.

[0022] Figure 3 This is a front view schematic diagram of the overall structure of a precision metal cutting fixture.

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] 1. Positioning assembly; 11. Circular plate; 12. Slide groove; 13. Arc baffle; 14. Guide rod; 15. Bottom plate; 16. Positioning bolt; 17. Screw; 18. Reinforcement rib; 19. Chip chute; 2. Clamping piece; 21. Support platform; 22. Side clamping plate; 23. Contact plate; 24. Spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Specific embodiment 1

[0027] See also Figure 1-3 The utility model is a precision metal cutting fixture, including a clamping member 2 for clamping and fixing the metal to be cut, the clamping member 2 includes a support platform 21, a side clamping plate 22 symmetrically arranged above the side of the support platform 21, a spring 24 arranged in the central circular hole on the inner side of the side clamping plate 22, and a contact plate 23 fixed to the end of the spring 24.

[0028] Specifically, in the precision metal cutting fixture involved in the present application, a clamping member 2 is provided to clamp and fix the workpiece to be cut, and the cutting operation of the precision metal workpiece is completed in cooperation with the external cutting end, wherein the contact plate 23 in the clamping member 2 contacts the side of the workpiece to be cut under the action of the spring 24, and cooperates with the circular plate 11 to contact the inner end of the workpiece to be cut to achieve the positioning of the workpiece. During the cutting operation, the cutting blade cuts inward along the edge direction of the side clamping plate 22. As the cutting proceeds, the spring 24 automatically extends, driving the contact plate 23 to adapt to the contact and fix the workpiece being cut.

[0029] Furthermore, the middle portion of the side clamping plate 22 is a columnar structure, and the upper end branch of the side clamping plate 22 is horizontally arranged, and the lower end branch of the side clamping plate 22 is vertically arranged. Specific embodiment 2

[0031] See also Figure 1-3 Based on the specific embodiment 1, a precision metal cutting fixture includes a positioning assembly 1 for installing and fixing the position of a clamping member 2, the positioning assembly 1 includes a base plate 15 arranged at the bottom of the support platform 21, a circular plate 11 fixed to one side of the base plate 15, a slide groove 12 opened on the upper part of the circular plate 11, an arc-shaped baffle 13 symmetrically arranged on the inner side of the circular plate 11, a guide rod 14 fixed to the middle edge of the circular plate 11, and a positioning bolt 16 fixed to the bottom of the side clamping plate 22.

[0032] Specifically, in the precision metal cutting fixture involved in the present application, its positioning component 1 is used for fixed installation of the clamping part 2, and by setting the arc-shaped baffle 13 to block the flying debris and sparks during the cutting process, the protection of the processing personnel is achieved, and the position of the arc-shaped baffle 13 is adjustable, which is convenient for cutting protection when processing workpieces of different sizes.

[0033] Furthermore, the upper side surface of the support platform 21 is evenly provided with protrusions, and the side surface of the support platform 21 cooperates with the threaded end of the positioning bolt 16; the bottom of the support platform 21 is provided with a protrusion, and the protrusion cooperates with the groove on the upper side surface of the base plate 15, and a screw 17 is provided in the middle of the support platform 21, and the inner end of the screw 17 cooperates with the circular plate 11; the guide rod 14 passes through the middle of the side clamping plate 22, and the guide rod 14 is arranged parallel to the base plate 15; the base plate 15 is provided with a debris groove 19 at one end close to the circular plate 11, and a reinforcing rib 18 is installed in the middle position of the lower side surface of the base plate 15.

[0034] Specifically: the protrusions evenly arranged on the upper side of the support platform 21 are used to support and limit the cutting workpiece, and the support platform 21 fixes the side clamping plate 22 through the positioning bolt 16. When the screw 17 rotates, the support platform 21 is acted upon by the screw 17 and moves along the upper side of the base plate 15. During its movement, the protrusion at the bottom of the support platform 21 cooperates with the groove on the upper side of the base plate 15 to balance the linear movement of the support platform 21. The guide rod 14 is also used to limit the moving path of the side clamping plate 22. The debris groove 19 provided on the base plate 15 near one end of the circular plate 11 is used to drop debris generated during the cutting process to avoid accumulation on the upper side of the base plate 15. The reinforcing rib 18 installed in the middle of the lower side of the base plate 15 is used to enhance the stability of the base plate 15 structure.

[0035] Furthermore, the shaft end of the arc baffle 13 is located inside the slide groove 12 , and the shaft end of the arc baffle 13 is fixed to the circular plate 11 via a fastening nut, and the arc baffle 13 is located above the side clamping plate 22 .

[0036] Specifically: after loosening the fastening nut fixing the shaft end of the arc baffle 13, the arc baffle 13 loses external constraints and is used to adjust the position of the arc baffle 13 relative to the circular plate 11. After the adjustment is completed, the shaft is fixed again by the fastening nut, thereby achieving the position fixation of the arc baffle 13. The arc baffle 13 is used to block flying debris and sparks during the cutting process.

[0037] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0038] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A precision metal cutting fixture comprising a clamping member (2) for clamping and fixing the metal to be cut, and a positioning assembly (1) for fixing the position of the clamping member (2); characterized in that: The clamping member (2) comprises a support platform (21), a side clamping plate (22) symmetrically arranged above the side of the support platform (21), a spring (24) arranged in a circular hole in the middle of the inner side of the side clamping plate (22), and a contact plate (23) fixed to the end of the spring (24); The positioning assembly (1) includes a base plate (15) arranged at the bottom of the support platform (21), a circular plate (11) fixed to one side of the base plate (15), a slide groove (12) opened on the upper part of the circular plate (11), an arc-shaped baffle (13) symmetrically arranged on the inner side of the circular plate (11), a guide rod (14) fixed to the middle edge of the circular plate (11), and a positioning bolt (16) fixed to the bottom of the side clamping plate (22).

2. A precision metal cutting fixture according to claim 1, characterized in that: The middle portion of the side clamping plate (22) is a columnar structure, and the upper end branch of the side clamping plate (22) is arranged horizontally, and the lower end branch of the side clamping plate (22) is arranged vertically.

3. A precision metal cutting fixture according to claim 1, characterized in that: The upper side surface of the support platform (21) is evenly provided with protrusions, and the side surface of the support platform (21) is matched with the threaded end of the positioning bolt (16).

4. A precision metal cutting fixture according to claim 1, characterized in that: The bottom of the support platform (21) is provided with a protrusion, wherein the protrusion cooperates with the groove on the side surface of the bottom plate (15), and the middle of the support platform (21) is provided with a screw rod (17), and the inner end of the screw rod (17) cooperates with the circular plate (11).

5. The precision metal cutting fixture according to claim 1, characterized in that: The shaft end of the arc-shaped baffle (13) is located inside the slide groove (12), and the shaft end of the arc-shaped baffle (13) is fixed to the circular plate (11) via a fastening nut. The arc-shaped baffle (13) is located above the side clamping plate (22).

6. The precision metal cutting fixture according to claim 1, characterized in that: The guide rod (14) passes through the middle of the side clamping plate (22), and the guide rod (14) and the bottom plate (15) are arranged in parallel.

7. The precision metal cutting fixture according to claim 1, characterized in that: A debris groove (19) is provided at one end of the bottom plate (15) close to the circular plate (11), and a reinforcing rib (18) is installed at the middle position of the lower side surface of the bottom plate (15).

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