Clamp center positioning tool

By designing the installation cylinder, adjustment box and moving mechanism in the machining center positioning tooling, and using the rotation and movement of threaded rods and connecting rods to achieve accurate fixation of workpieces of different specifications and sizes, the low positioning accuracy and operation in the prior art are solved. The problem of inconvenience improves processing quality and efficiency.

CN222269335UActive Publication Date: 2024-12-31BEIJING HOTA ELECTRODE & METALS CO LTD
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Patent Information

Application Number
CN202420546625.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-20
Publication Date
2024-12-31
Estimated Expiration
2034-03-20

AI Technical Summary

Technical Problem

The existing machining center positioning tool fixtures have low positioning accuracy and inconvenient operation when accurately fixing different types of workpiece bodies, which cannot meet the needs of high-precision and high-efficiency mechanical manufacturing.

Method used

A fixture center positioning tool is designed, adopting a structure including a mounting cylinder, an adjustment box, a clamping mechanism and a moving mechanism. Through the controller, the motor and a reducer motor are started, the threaded rod and connecting rod are driven to rotate and move, and the clamp height is adjusted. Position to achieve stable clamping of workpieces of different specifications and sizes.

Benefits of technology

It improves the positioning accuracy and stability of the fixture, ensures the quality of workpiece processing, enhances the precise fixing ability of different types of workpieces, and meets the needs of high efficiency mechanical manufacturing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of clamp positioning tools, and discloses a clamp center positioning tool which comprises a mounting cylinder, a controller fixedly mounted on the front face of the mounting cylinder and three adjusting boxes arranged on the upper surface of the mounting cylinder. And clamping mechanisms which extend to the exteriors of the three adjusting boxes and are used for clamping and fixing the workpiece body are arranged in the three adjusting boxes, moving mechanisms which extend to the exteriors of the mounting cylinders and are used for moving the adjusting boxes are arranged in the mounting cylinders, and the clamping mechanisms comprise threaded rods rotationally connected to the interiors of the adjusting boxes. According to the clamp center positioning tool, the motor is started to work through the controller, the threaded rod rotates to drive the threaded block to move up and down, the height of the clamp can be adjusted according to the heights of different workpieces to be machined, the positioning precision and stability of the clamp are improved, and the machining quality of a workpiece body is guaranteed; and the advantage that different types of workpiece bodies can be conveniently and accurately fixed is achieved.
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Description

Technical Field

[0001] The present application relates to the technical field of fixture positioning tooling, and in particular to a fixture center positioning tooling. Background Art

[0002] Currently, many devices need to be assembled from some parts, and these parts often need to be processed by machine tools. Since the processing tools rotate at too high a speed during operation, it is easy to accidentally injure employees, so the parts are usually placed directly on the machine tools for processing. However, this setting method has defects such as low positioning accuracy, inconvenient operation, and low efficiency, and cannot meet the needs of high-precision and high-efficiency mechanical manufacturing. There are also some fixture positioning devices on the market, but most of them have complex structures, low positioning accuracy, and inconvenient operation.

[0003] The fixture center positioning tooling is required in the fixture positioning process. The Chinese utility model patent with the announcement number CN218081449U discloses a machining center positioning tooling fixture, including a fixture body; the upper end of the fixture body is provided with a mounting groove, the inner side of the mounting groove is provided with a storage groove, and the storage groove is provided with multiple groups, and a clamping block is provided on the inner side of the storage groove, and the clamping block is slidably connected with the storage groove, and a reset component is provided on the inner side of the storage groove, and an adjustment component is provided on the inner side of the fixture body, and a push plate is provided on the outer side of the adjustment component. The utility model uses a driving component to drive the adjustment component, and the push plate is driven to move by the adjustment component, and the clamping block is pushed out by the push plate, and the clamping block stably clamps the part, and the clamping block is reset by the setting of the reset component, thereby achieving stable clamping of the part.

[0004] In the process of implementing the present application, there are at least the following problems in this technology: the machining center positioning fixture drives the push plate to move by connecting the threaded rod and the screw of the threaded groove, limits the movement of the push plate by the sliding connection between the limit groove and the limit rod, and clamps the parts by the clamping block, but the fixture is not convenient for precise fixation of different types of workpiece bodies, resulting in low practicality and failure to meet usage requirements. Therefore, a fixture center positioning fixture is proposed to solve the above problems. Utility Model Content

[0005] In response to the deficiencies in the prior art, the present application provides a clamp center positioning tooling, which has the advantages of being easy to accurately fix different types of workpiece bodies, etc., and solves the problem that the existing machining center positioning tooling clamp drives the push plate to move through the screw connection of the threaded rod and the threaded groove, and limits the movement of the push plate through the sliding connection between the limit groove and the limit rod, and clamps the parts through the clamping block. However, the tooling is not easy to accurately fix different types of workpiece bodies, resulting in low practicality and inability to meet usage requirements.

[0006] In summary, the present application provides the following technical solutions: a fixture center positioning tool, comprising a mounting tube, a controller fixedly mounted on the front of the mounting tube, and three adjustment boxes arranged on the upper surface of the mounting tube, wherein the interiors of the three adjustment boxes are each provided with a clamping mechanism extending to the outside thereof for clamping and fixing a workpiece body, and the interior of the mounting tube is provided with a moving mechanism extending to the outside thereof for moving the adjustment box;

[0007] The clamping mechanism includes a threaded rod rotatably connected to the inside of the regulating box, a threaded block threadedly connected to the outside of the threaded rod, a clamp fixedly connected to the outside of the threaded block and extending to the outside of the regulating box, and a motor fixedly installed on the top of the regulating box;

[0008] The moving mechanism includes a rotating shaft rotatably connected to the bottom wall of the mounting cylinder, a mounting plate fixedly connected to the outside of the rotating shaft, three connecting rods hinged to the outside of the mounting plate, a moving rod hinged to one end of the connecting rod away from the mounting plate, a supporting rod fixedly connected to the top of the moving rod and extending to the outside of the mounting cylinder, and a driving mechanism arranged inside the mounting cylinder.

[0009] The present application adopts the above-mentioned technical scheme, and starts the motor through the controller. The motor drives the threaded rod to rotate, and the rotation of the threaded rod drives the threaded block to move up and down, and the threaded block drives the clamp to move up and down. The height of the clamp can be adjusted according to the height of different workpieces to be processed, which is convenient for stable clamping of workpiece bodies of different specifications, improves the positioning accuracy and stability of the clamp, ensures the processing quality of the workpiece body, and achieves the advantage of facilitating accurate fixation of workpiece bodies of different types; the reduction motor is started by the controller, and the reduction motor drives the driving gear to rotate, and the driving gear rotates and engages to drive the driven gear and the rotating shaft to rotate, and the rotation of the rotating shaft drives the mounting plate to rotate, and the rotation of the mounting plate drives the connecting rod, the moving rod and the support rod to move closer or apart, thereby driving the adjustment box and the clamping mechanism to move closer or apart, which is convenient for fixing workpiece bodies of different sizes, and achieves the advantage of strong practicality.

[0010] Furthermore, the three clamping mechanisms are distributed in a ring shape on the top of the mounting tube, and a bearing matched with the threaded rod is fixedly installed inside the regulating box.

[0011] The beneficial effect of adopting the above further solution is that the stability of the threaded rod during rotation is improved by providing the bearing.

[0012] Furthermore, a movable opening adapted to the clamp is provided inside the regulating box, and the outer diameter of the clamp is adapted to the inner diameter of the movable opening.

[0013] The beneficial effect of adopting the above further solution is that the clamp can be easily moved up and down by opening the moving opening.

[0014] Furthermore, one end of the threaded rod away from the regulating box is fixedly connected to the output shaft of the motor, and the motor is electrically connected to the controller.

[0015] The beneficial effect of adopting the above further solution is: the motor is started by the controller, the motor drives the threaded rod to rotate, the rotation of the threaded rod drives the threaded block to move up and down, and the threaded block drives the clamp to move up and down.

[0016] Furthermore, a slider extending into the interior of the adjustment box is fixedly connected to a side of the threaded block away from the clamp, a slide groove matching the slider is provided inside the adjustment box, and the slider and the slide groove are slidably connected.

[0017] The beneficial effect of adopting the above further solution is that the stability of the upward and downward movement of the threaded block is improved by providing the sliding block and the sliding groove.

[0018] Furthermore, a movable opening adapted to the support rod is provided inside the installation tube, and the adjustment box is fixedly connected to an end of the support rod away from the moving rod.

[0019] The beneficial effect of adopting the above further solution is that by providing the movable opening, it is convenient for the support rod to drive the adjustment box to move closer or further apart.

[0020] Furthermore, a slide seat is fixedly mounted on the inner bottom wall of the mounting tube, and a limit rod extending to the inside of the slide seat is fixedly connected to the bottom of the moving rod, and the limit rod is slidably connected to the slide seat.

[0021] The beneficial effect of adopting the above further solution is that by providing the limit rod and the slide seat, the stability of the moving rod and the support rod during linear displacement is improved.

[0022] Furthermore, the driving mechanism includes a reduction motor fixedly mounted on the bottom wall of the mounting tube, a driving gear fixedly connected to the output shaft of the reduction motor, and a driven gear meshingly connected to the outside of the driving gear, wherein the driven gear is fixedly connected to the outside of the rotating shaft.

[0023] The beneficial effect of adopting the above further scheme is: the reduction motor is started by the controller, the reduction motor drives the driving gear to rotate, the driving gear rotates and engages to drive the driven gear and the rotating shaft to rotate, and the rotating shaft rotates to drive the mounting plate to rotate.

[0024] Compared with the prior art, the present application provides a fixture center positioning tool, which has the following beneficial effects:

[0025] 1. The center positioning tool of the fixture starts the motor through the controller. The motor drives the threaded rod to rotate. The rotation of the threaded rod drives the threaded block to move up and down. The threaded block drives the fixture to move up and down. The height of the fixture can be adjusted according to the height of different workpieces to be processed, which is convenient for stable clamping of workpiece bodies of different specifications, improves the positioning accuracy and stability of the fixture, ensures the processing quality of the workpiece body, and achieves the advantage of facilitating accurate fixation of different types of workpiece bodies.

[0026] 2. The center positioning tool of the fixture starts the reduction motor through the controller. The reduction motor drives the driving gear to rotate. The driving gear rotates and engages to drive the driven gear and the rotating shaft to rotate. The rotation of the rotating shaft drives the mounting plate to rotate. The rotation of the mounting plate drives the connecting rod, the moving rod and the supporting rod to move closer or separate, thereby driving the adjustment box and the clamping mechanism to move closer or separate, which is convenient for the preliminary limit fixation of workpiece bodies of different sizes, achieving the advantage of strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural cross-sectional view of the clamping mechanism of the present application;

[0028] Figure 2 It is a top view of the structure of the mobile mechanism of the present application;

[0029] Figure 3 It is a structural stereogram of the driving mechanism of the present application.

[0030] Description of reference numerals:

[0031] 1. Mounting cylinder; 2. Controller; 3. Adjustment box; 4. Clamping mechanism; 41. Threaded rod; 42. Threaded block; 43. Clamp; 44. Motor; 45. Slider; 5. Moving mechanism; 51. Rotating shaft; 52. Mounting plate; 53. Connecting rod; 54. Moving rod; 55. Support rod; 56. Sliding seat; 57. Driving mechanism; 5701. Reduction motor; 5702. Driving gear; 5703. Driven gear. DETAILED DESCRIPTION

[0032] See also Figure 1-3A fixture center positioning tool in this embodiment includes a mounting tube 1, a controller 2 fixedly mounted on the front of the mounting tube 1, and three adjustment boxes 3 arranged on the upper surface of the mounting tube 1. The three adjustment boxes 3 are provided with a clamping mechanism 4 extending to the outside thereof for clamping and fixing the workpiece body. The mounting tube 1 is provided with a moving mechanism 5 extending to the outside thereof for moving the adjustment box 3. The clamping mechanism 4 includes a threaded rod 41 rotatably connected to the inside of the adjustment box 3, a threaded block 42 threadedly connected to the outside of the threaded rod 41, a fixture 43 fixedly connected to the outside of the threaded block 42 and extending to the outside of the adjustment box 3, and a motor 44 fixedly mounted on the top of the adjustment box 3. The three motors 44 are all electrically connected to the controller 2, and the controller 2 synchronously controls the three motors 44 to work or stop.

[0033] The motor 44 is started by the controller 2, and the motor 44 drives the threaded rod 41 to rotate. The rotation of the threaded rod 41 drives the threaded block 42 to move up and down, and the threaded block 42 drives the clamp 43 to move up and down. The height of the clamp 43 can be adjusted according to the height of different workpieces to be processed, so as to facilitate stable clamping of workpiece bodies of different specifications, improve the positioning accuracy and stability of the clamp 43, ensure the processing quality of the workpiece body, and achieve the advantage of facilitating accurate fixation of workpiece bodies of different types.

[0034] Among them, three clamping mechanisms 4 are distributed in a ring shape on the top of the installation tube 1, and a bearing adapted to the threaded rod 41 is fixedly installed inside the adjustment box 3. By providing the bearing, the stability of the threaded rod 41 during rotation is improved.

[0035] It should be noted that a moving opening adapted to the clamp 43 is provided inside the adjustment box 3, and the outer diameter of the clamp 43 is adapted to the inner diameter of the moving opening. The moving opening is provided to facilitate the clamp 43 to move up and down.

[0036] Furthermore, one end of the threaded rod 41 away from the regulating box 3 is fixedly connected to the output shaft of the motor 44 , and the motor 44 is electrically connected to the controller 2 .

[0037] In addition, a slider 45 extending into the interior of the adjustment box 3 is fixedly connected to the side of the threaded block 42 away from the clamp 43, and a slide groove matching the slider 45 is provided inside the adjustment box 3, and the slider 45 and the slide groove are slidably connected. By providing the slider 45 and the slide groove, the stability of the threaded block 42 moving up and down is improved.

[0038] See also Figure 2 and Figure 3In this embodiment, the moving mechanism 5 includes a rotating shaft 51 rotatably connected to the inner bottom wall of the mounting cylinder 1, a mounting plate 52 fixedly connected to the outside of the rotating shaft 51, three connecting rods 53 hinged to the outside of the mounting plate 52, a moving rod 54 hinged to one end of the connecting rod 53 away from the mounting plate 52, a supporting rod 55 fixedly connected to the top of the moving rod 54 and extending to the outside of the mounting cylinder 1, and a driving mechanism 57 arranged inside the mounting cylinder 1.

[0039] The driving mechanism 57 includes a reduction motor 5701 fixedly mounted on the inner bottom wall of the mounting tube 1, a driving gear 5702 fixedly connected to the output shaft of the reduction motor 5701, and a driven gear 5703 meshedly connected to the outside of the driving gear 5702, and the driven gear 5703 is fixedly connected to the outside of the rotating shaft 51. The reduction motor 5701 is started by the controller 2, and the reduction motor 5701 drives the driving gear 5702 to rotate, and the driving gear 5702 rotates and meshes to drive the driven gear 5703 and the rotating shaft 51 to rotate, and the rotating shaft 51 rotates to drive the mounting plate 52 to rotate, and the mounting plate 52 rotates to drive the connecting rod 53, the moving rod 54 and the supporting rod 55 to move closer or separate, thereby driving the adjusting box 3 and the clamping mechanism 4 to move closer or separate, which is convenient for the preliminary limit fixation of workpiece bodies of different sizes, and achieves the advantage of strong practicality.

[0040] Specifically, a movable opening adapted to the support rod 55 is provided inside the installation tube 1, and the adjustment box 3 is fixedly connected to one end of the support rod 55 away from the moving rod 54. By providing the movable opening, it is convenient for the support rod 55 to drive the adjustment box 3 to approach or separate.

[0041] It should be noted that a slide 56 is fixedly mounted on the inner bottom wall of the mounting tube 1, and a limit rod extending to the inside of the slide 56 is fixedly connected to the bottom of the moving rod 54, and the limit rod is slidably connected to the slide 56. By providing the limit rod and the slide 56, the stability of the moving rod 54 and the support rod 55 during linear displacement is improved.

[0042] The working principle of the above embodiment is:

[0043] When in use, the workpiece body to be processed is placed on the top of the mounting cylinder 1, and the reduction motor 5701 is started through the controller 2. The reduction motor 5701 drives the driving gear 5702 to rotate, and the driving gear 5702 rotates and engages to drive the driven gear 5703 and the rotating shaft 51 to rotate. The rotation of the rotating shaft 51 drives the mounting plate 52 to rotate, and the rotation of the mounting plate 52 drives the connecting rod 53, the moving rod 54 and the supporting rod 55 to move closer or apart, thereby driving the adjustment box 3 and the clamping mechanism 4 to move closer or apart, and preliminarily fix the workpiece bodies of different sizes; when the workpiece body to be processed is to be accurately fixed, the motor 44 is started through the controller 2, and the motor 44 drives the threaded rod 41 to rotate. The rotation of the threaded rod 41 drives the threaded block 42 to move up and down, and the threaded block 42 drives the clamp 43 to move up and down. The height of the clamp 43 can be adjusted according to the height of the different workpieces to be processed, and the workpiece bodies of different specifications can be stably clamped, so that the positioning accuracy of the clamp 43 is high.

Claims

1. A fixture center positioning tool, characterized in that: The invention comprises a mounting tube (1), a controller (2) fixedly mounted on the front of the mounting tube (1), and three adjusting boxes (3) arranged on the upper surface of the mounting tube (1), wherein each of the three adjusting boxes (3) is provided with a clamping mechanism (4) extending to the outside thereof for clamping and fixing a workpiece body, and the mounting tube (1) is provided with a moving mechanism (5) extending to the outside thereof for moving the adjusting box (3); The clamping mechanism (4) comprises a threaded rod (41) rotatably connected to the inside of the regulating box (3), a threaded block (42) threadedly connected to the outside of the threaded rod (41), a clamp (43) fixedly connected to the outside of the threaded block (42) and extending to the outside of the regulating box (3), and a motor (44) fixedly mounted on the top of the regulating box (3); The moving mechanism (5) comprises a rotating shaft (51) rotatably connected to the inner bottom wall of the mounting cylinder (1), a mounting plate (52) fixedly connected to the outside of the rotating shaft (51), three connecting rods (53) hinged to the outside of the mounting plate (52), a moving rod (54) hinged to one end of the connecting rod (53) away from the mounting plate (52), a supporting rod (55) fixedly connected to the top of the moving rod (54) and extending to the outside of the mounting cylinder (1), and a driving mechanism (57) arranged inside the mounting cylinder (1).

2. The fixture center positioning tool according to claim 1, characterized in that: The three clamping mechanisms (4) are distributed in a ring shape on the top of the mounting tube (1), and a bearing matching the threaded rod (41) is fixedly installed inside the regulating box (3).

3. The fixture center positioning tool according to claim 1, characterized in that: The regulating box (3) is provided with a movable opening adapted to match the clamp (43) inside, and the outer diameter of the clamp (43) matches the inner diameter of the movable opening.

4. The fixture center positioning tool according to claim 1, characterized in that: One end of the threaded rod (41) away from the regulating box (3) is fixedly connected to the output shaft of the motor (44), and the motor (44) is electrically connected to the controller (2).

5. The fixture center positioning tool according to claim 1, characterized in that: A sliding block (45) extending into the interior of the adjustment box (3) is fixedly connected to a side of the threaded block (42) away from the clamp (43); a sliding groove matching the sliding block (45) is provided inside the adjustment box (3); and the sliding block (45) is slidably connected to the sliding groove.

6. The fixture center positioning tool according to claim 1, characterized in that: The interior of the installation tube (1) is provided with a movable opening adapted to fit the support rod (55), and the adjustment box (3) is fixedly connected to an end of the support rod (55) away from the moving rod (54).

7. The fixture center positioning tool according to claim 1, characterized in that: A sliding seat (56) is fixedly mounted on the inner bottom wall of the mounting cylinder (1), and a limiting rod extending into the interior of the sliding seat (56) is fixedly connected to the bottom of the moving rod (54), wherein the limiting rod and the sliding seat (56) are slidably connected.

8. The fixture center positioning tool according to claim 1, characterized in that: The driving mechanism (57) comprises a reduction motor (5701) fixedly mounted on the inner bottom wall of the mounting cylinder (1), a driving gear (5702) fixedly connected to the output shaft of the reduction motor (5701), and a driven gear (5703) meshingly connected to the outside of the driving gear (5702); the driven gear (5703) is fixedly connected to the outside of the rotating shaft (51).