CN219275141U

CN219275141U - Positioning mechanism for machining

Info

Publication number: CN219275141U
Application number: CN202222621312.7U
Authority: CN
Inventors: 杨琴
Original assignee: Hongyi Medical Devices Suzhou Co ltd
Current assignee: Hongyi Medical Devices Suzhou Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-06-30
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to the technical field of machining and discloses a positioning mechanism for machining, which comprises a base, wherein two fixing plates are fixed at the top of the base, an electric push rod is fixed on the surface of each fixing plate, a clamping plate is fixed on one side of each electric push rod, a mounting shell is fixed at the top of the base, a mounting plate and a connecting plate are arranged above the mounting shell, a moving mechanism for adjusting the positions of the mounting plate and the connecting plate is arranged in the mounting shell, a clamping mechanism for stabilizing tubular workpieces is arranged on the surface of the mounting plate, and a plurality of mounting cylinders are fixed at the top of the base; the positioning mechanism can adapt to tubular workpieces with more sizes, so that the positioning mechanism can still start a good clamping and positioning effect on the workpieces when the tubular workpieces with different sizes are replaced, and the problem of poor stability when the existing positioning mechanism is used for positioning the tubular workpieces with different sizes is solved.

Description

Positioning mechanism for machining

Technical Field

The utility model relates to the technical field of machining, in particular to a positioning mechanism for machining.

Background

The machining is a process of changing the external dimension or performance of a workpiece through mechanical equipment, and the machining method can be divided into cutting machining and pressure machining according to the difference of machining modes, and parts are required to be positioned in the machining process, so that the deviation during machining is prevented, and the subsequent machining treatment of the workpiece is facilitated.

However, when the existing positioning mechanism is used for positioning a tubular workpiece, the existing positioning mechanism can only clamp and position a pipeline with one size, and when the tubular workpiece with different sizes is clamped, the workpiece is easy to loosen, so that the processing accuracy is poor, the processed product is wasted due to large error, and the practicability is poor.

Disclosure of Invention

The utility model aims to provide a positioning mechanism for machining, which can adapt to tubular workpieces with more sizes, and solves the problem of poor stability when the existing positioning mechanism is used for positioning tubular workpieces with different sizes.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a positioning mechanism for machining, includes the base, the top of base is fixed with two fixed plates, the fixed surface of fixed plate is fixed with electric putter, one side of electric putter is fixed with splint, the top of base is fixed with the installation shell, the top of installation shell is provided with mounting panel and connecting plate, the internally mounted of installation shell has the mobile mechanism who is used for adjusting mounting panel and connecting plate position, the surface mounting of mounting panel has the fixture that is used for stabilizing tubular machined part, the top of base is fixed with a plurality of installation section of thick bamboo, the inside sliding connection of installation section of thick bamboo has the extension post, the top of extension post is fixed with places the board.

Preferably, the moving mechanism comprises a first motor and a first screw rod, the first motor is fixed in the installation shell, an output shaft of the first motor is fixedly connected with the first screw rod, one end of the first screw rod is rotatably connected with the inner wall of the installation shell, and threads of the first screw rod penetrate through the installation plate and the connection plate.

Preferably, the fixture comprises a second motor, a second screw rod, a threaded sleeve, a linkage plate, a limiting plate and a guide rod, wherein the second motor is fixed at the top of the connecting plate, an output shaft of the second motor is fixedly connected with the second screw rod, one end of the second screw rod is rotationally connected with the surface of the mounting plate, the second screw rod penetrates through the threaded sleeve, the surface of the threaded sleeve is hinged with the plurality of linkage plates, one end of the linkage plate is hinged with the limiting plate, the limiting plate is positioned on the surface of the mounting plate, and the guide rod penetrates through the limiting plate in a sliding mode.

Preferably, a knob is arranged on one side of the mounting cylinder, a threaded through groove matched with the knob is formed in the surface of the mounting cylinder, and a plurality of threaded grooves matched with the knob are formed in the surface of the extending column.

Preferably, the surfaces of the clamping plate and the limiting plate are both fixed with protective pads, and the protective pads are made of rubber materials.

Preferably, the heights of the clamping plates at the two sides are consistent, and the clamping plates are designed in a symmetrical shape.

Compared with the prior art, the utility model has the following beneficial effects:

the positioning mechanism can adapt to tubular workpieces with more sizes, so that the positioning mechanism can still start a good clamping and positioning effect on the workpieces when the tubular workpieces with different sizes are replaced, the condition that the workpieces are easy to shake when the existing positioning mechanism is used for positioning the tubular workpieces with different sizes is reduced, the quality of finished products of the tubular workpieces is indirectly improved, and the problem that the existing positioning mechanism is poor in stability when the existing positioning mechanism is used for positioning the tubular workpieces with different sizes is solved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partial perspective structure of the present utility model;

FIG. 3 is a schematic view of a partial top perspective view of the present utility model;

fig. 4 is a partially disassembled perspective view of the present utility model.

In the figure: 1. a base; 2. a fixing plate; 3. an electric push rod; 4. a clamping plate; 5. a mounting shell; 6. a moving mechanism; 61. a first motor; 62. a first screw; 7. a mounting plate; 8. a clamping mechanism; 81. a second motor; 82. a second screw; 83. a screw sleeve; 84. a linkage plate; 85. a limiting plate; 86. a guide rod; 9. a connecting plate; 10. a mounting cylinder; 11. an extension column; 12. placing a plate; 13. a knob; 14. and a protective pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a positioning mechanism for machining includes a base 1, two fixing plates 2 are fixed at the top of the base 1, an electric push rod 3 is fixed at the surface of the fixing plates 2, a clamping plate 4 is fixed at one side of the electric push rod 3, a mounting shell 5 is fixed at the top of the base 1, a mounting plate 7 and a connecting plate 9 are arranged above the mounting shell 5, a moving mechanism 6 for adjusting the positions of the mounting plate 7 and the connecting plate 9 is mounted in the mounting shell 5, a clamping mechanism 8 for stabilizing tubular workpieces is mounted on the surface of the mounting plate 7, a plurality of mounting cylinders 10 are fixed at the top of the base 1, an extension column 11 is connected in a sliding manner in the mounting cylinders 10, and a placing plate 12 is fixed at the top of the extension column 11.

The moving mechanism 6 comprises a first motor 61 and a first screw rod 62, the first motor 61 is fixed in the installation shell 5, an output shaft of the first motor 61 is fixedly connected with the first screw rod 62, one end of the first screw rod 62 is rotatably connected with the inner wall of the installation shell 5, threads of the first screw rod 62 penetrate through the installation plate 7 and the connecting plate 9, in the embodiment, the first motor 61 is started to enable the first screw rod 62 to rotate through the arrangement of the first motor 61 and the first screw rod 62, and when the first screw rod 62 rotates, the installation plate 7 and the connecting plate 9 are affected by the threads on the surface of the first screw rod 62 to start moving on the surface of the first screw rod 62, so that the positioning position of a workpiece can be adjusted, and the positioning accuracy of the workpiece can be improved.

The clamping mechanism 8 comprises a second motor 81, a second screw rod 82, a threaded sleeve 83, a linkage plate 84, a limiting plate 85 and a guide rod 86, wherein the second motor 81 is fixed at the top of the connecting plate 9, an output shaft of the second motor 81 is fixedly connected with the second screw rod 82, one end of the second screw rod 82 is rotationally connected with the surface of the mounting plate 7, threads of the second screw rod 82 penetrate through the threaded sleeve 83, the surface of the threaded sleeve 83 is hinged with a plurality of linkage plates 84, one end of the linkage plate 84 is hinged with the limiting plate 85, the limiting plate 85 is positioned on the surface of the mounting plate 7, the guide rod 86 penetrates through the limiting plate 85 in a sliding mode, in the embodiment, the second motor 81, the second screw rod 82, the threaded sleeve 83, the linkage plate 84 and the guide rod 86 are arranged, the second motor 81 is started to enable the second screw rod 82 to rotate, the threaded sleeve 83 moves on the surface of the second screw rod 82, when the threaded sleeve 83 moves, the threaded sleeve 83 and a plurality of linkage plates 84 are hinged with the threaded sleeve, the threaded sleeve 83 is hinged with the threaded sleeve in an angle to be changed, and then the plurality of limiting plates 85 can move outwards or shrink, and workpieces can be limited from inside to outside.

One side of the installation cylinder 10 is provided with a knob 13, the surface of the installation cylinder 10 is provided with a threaded through groove matched with the knob 13, the surface of the extension column 11 is provided with a plurality of threaded grooves matched with the knob 13, and in the embodiment, through the installation cylinder 10, the extension column 11 and the knob 13, after the height of the extension column 11 is adjusted, the knob 13 is twisted into the extension column 11 through the installation cylinder 10, so that the extension column 11 can obtain a limiting effect.

The protection pad 14 is fixed on the surfaces of the clamping plate 4 and the limiting plate 85, the protection pad 14 is made of rubber, in this embodiment, through the arrangement of the protection pad 14, when the clamping plate 4 and the limiting plate 85 contact the surface of a workpiece, the protection pad 14 can deform so that the protection pad can be in contact with the workpiece more tightly, and meanwhile, the clamping plate 4 and the limiting plate 85 are prevented from damaging the workpiece.

The height of both sides splint 4 is unanimous, and splint 4 are symmetrical shape design, in this embodiment, through the setting to splint 4 for splint 4 can play better location effect to the machined part.

Working principle: firstly, the mounting plate 7 and the connecting plate 9 are driven to move through the first motor 61, after the mounting plate 7 and the connecting plate 9 are moved to a required position, the height of the extending column 11 is adjusted, then the extending column is fixed through the knob 13, a workpiece can be placed on the surfaces of the two placing plates 12 at the moment, then one end of the workpiece is propped against the surface of the mounting plate 7, the two electric push rods 3 are started again, so that the clamping plates 4 on the two sides clamp the workpiece, at the moment, the second motor 81 can be started, a plurality of limiting plates 85 are expanded outwards from the inside of the workpiece, and the workpiece is clamped and positioned, so that the positioning operation is completed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioning mechanism for machining, includes base (1), its characterized in that: the top of base (1) is fixed with two fixed plates (2), the fixed surface of fixed plate (2) is fixed with electric putter (3), one side of electric putter (3) is fixed with splint (4), the top of base (1) is fixed with installation shell (5), the top of installation shell (5) is provided with mounting panel (7) and connecting plate (9), the internally mounted of installation shell (5) has mobile mechanism (6) that are used for adjusting mounting panel (7) and connecting plate (9) position, the surface mounting of mounting panel (7) has fixture (8) that are used for stabilizing tubular machined part, the top of base (1) is fixed with a plurality of installation section of thick bamboo (10), the inside sliding connection of installation section of thick bamboo (10) has extension post (11), the top of extension post (11) is fixed with places board (12).

2. A positioning mechanism for machining according to claim 1, wherein: the moving mechanism (6) comprises a first motor (61) and a first screw rod (62), the first motor (61) is fixed in the installation shell (5), an output shaft of the first motor (61) is fixedly connected with the first screw rod (62), one end of the first screw rod (62) is rotatably connected with the inner wall of the installation shell (5), and threads of the first screw rod (62) penetrate through the installation plate (7) and the connection plate (9).

3. A positioning mechanism for machining according to claim 1, wherein: the clamping mechanism (8) comprises a second motor (81), a second screw rod (82), a threaded sleeve (83), a linkage plate (84), a limiting plate (85) and a guide rod (86), wherein the second motor (81) is fixed at the top of the connecting plate (9), an output shaft of the second motor (81) is fixedly connected with the second screw rod (82), one end of the second screw rod (82) is rotatably connected with the surface of the mounting plate (7), threads of the second screw rod (82) penetrate through the threaded sleeve (83), the surface of the threaded sleeve (83) is hinged with a plurality of linkage plates (84), one end of the linkage plate (84) is hinged with the limiting plate (85), the limiting plate (85) is located on the surface of the mounting plate (7), and the guide rod (86) is slidably penetrated through the limiting plate (85).

4. A positioning mechanism for machining according to claim 1, wherein: one side of the installation cylinder (10) is provided with a knob (13), the surface of the installation cylinder (10) is provided with a thread through groove matched with the knob (13), and the surface of the extension column (11) is provided with a plurality of thread grooves matched with the knob (13).

5. A positioning mechanism for machining according to claim 3, wherein: the surface of splint (4) and limiting plate (85) all is fixed with protection pad (14), protection pad (14) are rubber material.

6. A positioning mechanism for machining according to claim 1, wherein: the heights of the clamping plates (4) at the two sides are consistent, and the clamping plates (4) are symmetrically designed.