A fixing fixture

Abstract

The utility model relates to the field of metal parts processing, specifically a fixing fixture, including a base, and two groups of moving seats symmetrically distributed on the base, wherein the moving seats are provided with a clamping mechanism for fixing and clamping a tubular workpiece, so as to avoid displacement of the tubular workpiece due to its own curvature during processing, thereby affecting the processing accuracy, and the distance between the two groups of moving seats is adjusted by a bidirectional screw rod rotatably connected to the base, thereby adjusting the distance between the two groups of clamping mechanisms, and is used to fix tubular workpieces of different lengths. The screw rod is driven to rotate by a motor, and the adjustment rod slides inside the installation rod under the limiting action of the installation rod, and the adjustment rod cooperates with the first support rod and the second support rod to control the degree of support of the four groups of abutment blocks during the sliding process, so that the four groups of abutment blocks abut against the inner wall of the tubular workpiece, thereby fixing the tubular workpiece, and avoiding the workpiece from loosening and slipping due to the impact force generated during processing due to the curvature of the tubular workpiece itself.

Description

Technical Field

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

[0002] Metals are widely present in nature. The metal resources on the earth are widely present in the earth's crust and oceans. Except for a few very inactive metals such as gold and silver that exist in elemental form, the rest exist in the form of compounds. Because they are excellent conductors of electricity and heat and have ductility, they are also very important and the most widely used type of substances in modern industry. Metal billets need to be processed to make metals become metal workpieces composed of metal elements with a predetermined shape and basic strength.

[0003] In the prior art, vises and other fixtures are often used to fix tubular workpieces during processing. Due to the curvature of the tubular workpiece, the impact force generated during processing can easily cause the workpiece to loosen and slip when the traditional fixing fixture is used to fix the tubular workpiece, thereby affecting the quality of the workpiece processing. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies of the prior art, the utility model provides a fixing clamp to solve the problems raised by the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing fixture, comprising a base, and two groups of moving seats symmetrically distributed on the base, the moving seats are provided with a clamping mechanism for fixing and clamping a tubular workpiece, so as to prevent the tubular workpiece from being displaced due to its own curvature during processing, thereby affecting the processing accuracy, the distance between the two groups of moving seats is adjusted by a bidirectional screw rod rotatably connected to the base, thereby adjusting the distance between the two groups of clamping mechanisms, and is used to fix tubular workpieces of different lengths, the clamping mechanism comprising a mounting rod and an adjusting rod slidably connected to the mounting rod;

[0008] An angle adjustment mechanism is provided in the mounting seat for changing the fixed angle of the tubular workpiece, so as to facilitate multi-angle processing of the tubular workpiece. The angle adjustment mechanism includes a gear sleeved on the upper end of the mounting rod, and racks distributed on both sides of the gear and meshingly connected to the gear.

[0009] Preferably, the clamping mechanism also includes four groups of blocks symmetrically distributed around the adjusting rod, which are used to fix tubular workpieces with different inner diameters by adjusting the spacing between the four groups of blocks. The tubular workpiece is fixed by the four groups of blocks abutting against the inner wall of the tubular workpiece, thereby avoiding displacement of the workpiece during processing, which affects the processing accuracy of the workpiece.

[0010] Preferably, a screw rod for controlling the extension length of the adjustment rod is provided in the installation rod, and the screw rod rotates under the drive of the motor, and cooperates with the limiting effect of the installation rod to enable the adjustment rod to slide in the installation rod.

[0011] Preferably, a first support rod and a second support rod rotatably connected are provided between the stop block and the adjustment rod, the left end of the first support rod is rotatably connected to the mounting rod and the right end is slidably connected to the stop block.

[0012] Preferably, the two ends of the second support rod are rotatably connected to the stop blocks and the adjusting rod respectively, and when the adjusting rod slides, the first support rod and the second support rod cooperate to spread the four groups of stop blocks, thereby adjusting the distance between the four groups of stop blocks and further fixing the tubular workpiece.

[0013] Preferably, the mounting rod is rotatably connected to the movable seat, and the two sets of racks slide in the movable seat under the control of corresponding cylinders respectively, and the control gear drives the mounting rod to rotate, thereby realizing the adjustment of the fixed angle of the workpiece fixed on the clamping mechanism.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a fixing fixture, which has the following beneficial effects:

[0016] The motor drives the lead screw to rotate, and the adjusting rod slides inside the installing rod under the limiting action of the installing rod. During the sliding process of the adjusting rod, the first support rod and the second support rod are cooperated to control the degree of support of the four groups of abutments, so that the four groups of abutments abut against the inner wall of the tubular workpiece, thereby fixing the tubular workpiece. The workpiece is fixed by abutting against the inner wall of the tubular workpiece to avoid loosening and slipping of the workpiece due to the impact force generated during machining due to the curvature of the tubular workpiece itself, thereby affecting the machining quality of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the mobile seat of the utility model;

[0020] Figure 3 This is a structural schematic diagram of the angle adjustment mechanism of the utility model;

[0021] Figure 4It is a structural schematic diagram of the clamping mechanism of the utility model.

[0022] In the figure: 1, base; 2, moving seat; 3, clamping mechanism; 301, mounting rod; 302, adjusting rod; 303, screw rod; 304, motor; 305, block; 306, first support rod; 307, second support rod; 4, angle adjustment mechanism; 401, gear; 402, rack; 403, cylinder. DETAILED DESCRIPTION

[0023] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0024] Figure 1-Figure 4 As an embodiment of the utility model, a fixing fixture includes a base 1 and two groups of movable seats 2 symmetrically distributed on the base 1, the movable seat 2 is provided with a clamping mechanism 3 for fixing and clamping a tubular workpiece to prevent the tubular workpiece from being displaced due to its own curvature during processing, thereby affecting the processing accuracy, the distance between the two groups of movable seats 2 is adjusted by a bidirectional screw rod 303 rotatably connected to the base 1, thereby adjusting the distance between the two groups of clamping mechanisms 3, and is used to fix tubular workpieces of different lengths, the clamping mechanism 3 includes a mounting rod 301, an adjusting rod 302 slidably connected to the mounting rod 301, and four groups of abutments 305 symmetrically distributed around the adjusting rod 302, and is used to fix tubular workpieces of different inner diameters by adjusting the spacing between the four groups of abutments 305, and the tubular workpiece is fixed by the four groups of abutments 305 against the inner wall of the tubular workpiece, so as to prevent the workpiece from loosening, slipping and displacing due to the impact force generated during processing, thereby affecting the processing accuracy of the workpiece.

[0025] In this embodiment, reference Figure 4 As shown, a screw rod 303 for controlling the extension length of the adjustment rod 302 is provided in the mounting rod 301, and the screw rod 303 rotates under the drive of the motor 304, and cooperates with the limiting effect of the mounting rod 301 to make the adjustment rod 302 slide in the mounting rod 301, and a first support rod 306 and a second support rod 307 that are rotatably connected are provided between the stop block 305 and the adjustment rod 302, the left end of the first support rod 306 is rotatably connected to the mounting rod 301 and the right end is slidably connected to the stop block 305, and the two ends of the second support rod 307 are rotatably connected to the stop block 305 and the adjustment rod 302 respectively, when the adjustment rod 302 slides, the first support rod 306 and the second support rod 307 are cooperated to open the four groups of stop blocks 305, so as to adjust the distance between the four groups of stop blocks 305, and then to fix the tubular workpiece, the adjustable range of the degree of opening between the four groups of stop blocks 305 is large, so that the furniture can fix various types of tubular workpieces, and the control through the screw rod 303 is fast and convenient.

[0026] In this embodiment, reference Figure 3 As shown, an angle adjustment mechanism 4 is provided in the mounting seat for changing the fixed angle of the tubular workpiece, so as to facilitate multi-angle processing of the tubular workpiece. The angle adjustment mechanism 4 includes a gear 401 sleeved on the upper end of the mounting rod 301, and racks 402 distributed on both sides of the gear 401 and meshingly connected with the gear 401. The mounting rod 301 is rotatably connected to the moving seat 2, and the two sets of racks 402 slide in the moving seat 2 under the control of the corresponding cylinders 403 respectively. The control gear 401 drives the mounting rod 301 to rotate, so as to realize the adjustment of the fixed angle of the workpiece fixed on the clamping mechanism 3, so as to facilitate processing at different angles of the workpiece after the workpiece is fixed.

[0027] When the present embodiment is working, the four groups of abutments 305 are gathered together, and the distance between the two groups of movable seats 2 is adjusted by the bidirectional screw rod 303 on the base 1 to adapt to tubular workpieces of different lengths. The two ends of the tubular workpiece are respectively clamped on the left and right groups of clamping mechanisms 3, and the screw rod 303 is driven to rotate by the motor 304. Under the limiting effect of the mounting rod 301, the adjustment rod 302 slides in the mounting rod 301. During the sliding process of the adjustment rod 302, the first support rod 306 and the second support rod 307 are cooperated to control the degree of support of the four groups of abutments 305, so that the four groups of abutments 305 can be supported. 05 is abutted against the inner wall of the tubular workpiece to fix the tubular workpiece. The workpiece is fixed by abutting the inner wall of the tubular workpiece with four sets of abutments 305 to prevent the workpiece from loosening and slipping due to the impact force generated during processing due to the curvature of the tubular workpiece itself, which will affect the quality of workpiece processing. The rack 402 is controlled to move by the cylinder 403, thereby controlling the gear 401 to drive the mounting rod 301 to rotate, so as to adjust the fixed angle of the workpiece fixed on the clamping mechanism 3, so as to facilitate processing at different angles after the workpiece is fixed.

[0028] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0029] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixing fixture, comprising a base (1), and two sets of movable seats (2) symmetrically distributed on the base (1), characterized in that: The movable seat (2) is provided with a clamping mechanism (3) for fixing and clamping the tubular workpiece, so as to prevent the tubular workpiece from being displaced due to its own curvature during processing, thereby affecting the processing accuracy. The distance between the two groups of movable seats (2) is adjusted by a bidirectional screw rod (303) rotatably connected to the base (1), thereby adjusting the distance between the two groups of clamping mechanisms (3), so as to fix tubular workpieces of different lengths. The clamping mechanism (3) comprises a mounting rod (301) and an adjusting rod (302) slidably connected to the mounting rod (301); An angle adjustment mechanism (4) is provided in the mounting seat for changing the fixed angle of the tubular workpiece, thereby facilitating multi-angle processing of the tubular workpiece. The angle adjustment mechanism (4) comprises a gear (401) sleeved on the upper end of the mounting rod (301), and racks (402) distributed on both sides of the gear (401) and meshingly connected with the gear (401).

2. A fixing fixture according to claim 1, characterized in that: The clamping mechanism (3) further comprises four groups of abutments (305) symmetrically distributed around the adjusting rod (302), and is used to fix tubular workpieces with different inner diameters by adjusting the spacing between the four groups of abutments (305). The tubular workpiece is fixed by abutting the four groups of abutments (305) against the inner wall of the tubular workpiece, thereby avoiding displacement of the workpiece during machining, thereby affecting the machining accuracy of the workpiece.

3. A fixing fixture according to claim 2, characterized in that: A screw rod (303) for controlling the extension length of the adjustment rod (302) is arranged inside the installation rod (301); the screw rod (303) rotates under the drive of the motor (304) and cooperates with the limiting function of the installation rod (301) to enable the adjustment rod (302) to slide in the installation rod (301).

4. A fixing fixture according to claim 2, characterized in that: A first support rod (306) and a second support rod (307) are rotatably connected between the stop block (305) and the adjustment rod (302). The left end of the first support rod (306) is rotatably connected to the installation rod (301) and the right end is slidably connected to the stop block (305).

5. A fixing fixture according to claim 4, characterized in that: The two ends of the second support rod (307) are rotatably connected to the stop blocks (305) and the adjusting rod (302) respectively. When the adjusting rod (302) slides, the first support rod (306) and the second support rod (307) are used to spread the four groups of stop blocks (305), thereby adjusting the distance between the four groups of stop blocks (305) and further fixing the tubular workpiece.

6. A fixing fixture according to claim 1, characterized in that: The mounting rod (301) is rotatably connected to the movable seat (2), and the two sets of racks (402) slide in the movable seat (2) under the control of corresponding cylinders (403). The control gear (401) drives the mounting rod (301) to rotate, thereby realizing the adjustment of the fixed angle of the workpiece fixed on the clamping mechanism (3).

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