Tool clamping jig for machined part

Abstract

The utility model provides a tool clamping jig of a machining part, and relates to the technical field of machining, the tool clamping jig comprises a base, the top of the base is fixedly connected with three bearing columns, the tops of the three bearing columns are fixedly provided with a first limiting circular plate, the center of the surface of the first limiting circular plate is provided with a second through groove in a penetrating mode, and the second through groove is provided with a second through hole; a rotating assembly is arranged at the top of the first limiting circular plate, a clamping assembly is arranged at the top of the rotating assembly, a three-face connecting column is arranged on the surface of the clamping assembly through a bearing sleeve, and limiting strips are fixedly installed at the three ends of one side of the surface of the three-face connecting column; the three ends of the other side of the surface of the three-face connecting column are fixedly connected with limiting columns. The rotating assembly is supported and limited through the first limiting circular plate, the angle of a part is rotated through the rotating assembly, the part is clamped through the clamping assembly, the clamping assembly is more stable when rotating through the three-face connecting column, and the clamping assembly is limited through the three limiting strips and the limiting column.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a tooling clamping fixture for machined parts. Background Art

[0002] In the process of assembling mechanical equipment, parts are indispensable, and there are many types of parts, such as washers, nuts, gears, and seat plates, etc. In the process of processing parts, jigs are indispensable, and parts need to be clamped when processed in jigs to ensure the stability of parts during processing.

[0003] In the prior art, the existing tooling and clamping jigs suitable for cylindrical or annular parts lack an adjustment structure, and different tooling and clamping jigs need to be replaced when assembling parts of different sizes, which is inconvenient. Secondly, when machining parts, it is often necessary to process different parts of the parts. The existing tooling and clamping jigs are not convenient for adjusting the angle, and the parts need to be disassembled and reinstalled, which is time-consuming and labor-intensive.

[0004] Therefore, a tooling clamping fixture for machined parts is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a tooling and clamping fixture for machined parts, comprising: a base, the surface of the base is connected to an outer sleeve through a bearing, a cover plate is fixedly embedded in the top of the inner cavity of the outer sleeve, the surface of the cover plate is provided with three through grooves, the top of the base is fixedly connected to three bearing columns, a limiting circular plate is fixedly installed on the top of the three bearing columns, a through groove is provided at the center of the surface of the limiting circular plate, a rotating component is provided on the top of the rotating component, a clamping component is provided on the top of the rotating component, the surface of the clamping component is provided with three connecting columns through a bearing sleeve, the three ends on one side of the surface of the three connecting columns are fixedly installed with limiting strips, and the three ends on the other side of the surface of the three connecting columns are fixedly connected to the limiting columns.

[0007] As a preferred embodiment, the rotating assembly includes a zigzag support plate, the bottom of one end of the zigzag support plate is fixedly connected to a forward and reverse motor, the top of one end of the zigzag support plate is embedded with a rotating shaft through a bearing, the surface of the rotating shaft is fixedly sleeved with a gear, the surface of the gear is meshed with a gear ring, and the bottom of the gear ring is fixedly connected to a T-shaped limit ring.

[0008] As a preferred embodiment, one end of the zigzag support plate is fixedly connected to one end of a limiting circular plate, the output end of the forward and reverse motor one passes through a bearing and passes through one side surface of the zigzag support plate and is connected to the bottom of the rotating shaft one, and the surface of the T-shaped limiting ring one is movably embedded in the inside of the top end of the limiting circular plate one.

[0009] As a preferred embodiment, the clamping assembly includes two limiting circular plates, the bottom of which is fixedly connected to two forward and reverse motors, the top of which is embedded with two rotating shafts through bearings, the surface of which is fixedly sleeved with a main bevel gear, the bottom of which is installed with two T-shaped limiting rings, the surface of which is meshed with three secondary bevel gears, one end of each of which is fixedly embedded with a threaded rod, the surfaces of which are threadedly sleeved with L-shaped support plates, the tops of which are fixedly connected to one end of each of which are L-shaped support plates, and the surfaces of which are all provided with three through grooves.

[0010] As a preferred embodiment, the output end of the forward and reverse motor 2 is connected to the bottom of the rotating shaft 2 through a bearing passing through the surface of the limiting circular plate 2, the bottom of the T-shaped limiting ring 2 is movably embedded in the inside of the top of the limiting circular plate 2, and the top of the rotating shaft 2 is embedded in the bottom of the three-sided connecting column through a bearing, one end of the three secondary bevel gears are respectively sleeved on one end of the three limiting columns through bearings, the three through slots 3 are respectively movably sleeved on the surfaces of the three limiting bars, and the three L-shaped support plates and clamping columns are respectively movable inside the three through slots 1.

[0011] As a preferred embodiment, the bottom of the limiting circular plate 2 is fixedly mounted on the top of the gear ring, the forward and reverse motor 2 is movably embedded in the interior of the through slot 2, and one end of the three threaded rods is respectively embedded in the three ends of the top of the inner cavity of the outer sleeve through bearings.

[0012] As a preferred embodiment, the top of the three-sided connecting column is fixedly installed at the center of the bottom of the cover plate, and one end of the three limiting strips is fixedly connected to the three ends of the top of the inner cavity of the outer sleeve respectively.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. The utility model connects the device to an external power supply through a circuit and is started by an external controller. When the part needs to be machined, the forward and reverse motors 2 are started by the external controller in advance according to whether the part is cylindrical or annular to pre-adjust the spacing of the three clamping columns. Then the part is placed on the top of the outer sleeve, and the forward and reverse motors 2 are reversed by the external controller. The rotation of the output end of the forward and reverse motors 2 drives the rotating shaft 2 connected thereto to rotate. The rotation of the rotating shaft 2 drives the main bevel gear sleeved on its surface to rotate. The rotation of the main bevel gear drives the three sub-bevel gears meshed with it to rotate. The rotation of the three sub-bevel gears all drives the threaded rods connected thereto to rotate. The rotation of the three threaded rods all drives the L-shaped support plates sleeved on its surface to move in relative or opposite directions. The movement of the three L-shaped support plates drives the clamping columns on their tops to move until the three clamping columns clamp the part from the inside or outside of the part. In this way, the spacing of the three clamping columns can be adjusted at any time. There is no need to replace different tooling and clamping fixtures when assembling parts of different sizes, which is more convenient.

[0015] 2. According to the present invention, the parts can be machined after they are fixed. During the machining process, the forward and reverse motors can be started at any time through an external controller. The rotation of the output end of the forward and reverse motors drives the rotating shaft connected to it to rotate. The rotation of the rotating shaft drives the gear mounted on its surface to rotate. The rotation of the gear drives the gear ring meshed with it to rotate. When the gear ring rotates, it drives the clamping assembly on the top to rotate together. The rotation of the clamping assembly drives the three-sided connecting columns to rotate together, and the three-sided connecting columns drive the cover plate to rotate. The cover plate drives the part on the top to rotate, and the part is always fixed by the three clamping columns to prevent it from shifting and losing the processing accuracy during rotation. In this way, the angle of the tooling clamping fixture can be adjusted at any time without disassembling the parts and reinstalling them, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a tooling clamping fixture for machined parts provided by the utility model;

[0017] Figure 2 A three-dimensional structural cross-sectional view of a tooling clamping fixture for machined parts provided by the utility model;

[0018] Figure 3 A top view of the combined structure of a tooling clamping fixture for machined parts provided by the utility model;

[0019] Figure 4 A bottom view of the combined structure of a tooling clamping fixture for machined parts provided by the utility model;

[0020] Figure 5 This is a disassembled diagram of a clamping assembly of a tooling clamping fixture for machined parts provided by the utility model;

[0021] Figure 6 This is a disassembled diagram of a clamping assembly of a tooling clamping fixture for machined parts provided by the utility model;

[0022] Figure 7 A cross-sectional view of a rotating assembly of a tooling clamping fixture for machined parts provided by the present invention;

[0023] Figure 8 This is a disassembled diagram of an L-shaped support plate of a tooling clamping fixture for machined parts provided by the utility model;

[0024] Figure 9 This is a disassembled view of the cover plate of a tooling clamping fixture for machined parts provided by the utility model.

[0025] Legend:

[0026] 1. Base; 101. Outer sleeve; 102. Cover plate; 103. Through slot one; 104. Bearing column; 2. Limiting circular plate one; 201. Through slot two; 3. Rotating assembly; 301. Zigzag support plate; 302. Forward and reverse motor one; 303. Rotating shaft one; 304. Gear; 305. Gear ring; 306. T-type limiting ring one; 4. Clamping assembly; 401. Limiting circular plate two; 402. Forward and reverse motor two; 403. Rotating shaft two; 404. Main bevel gear; 405. T-type limiting ring two; 406. Secondary bevel gear; 407. Threaded rod; 408. L-shaped support plate; 409. Clamping column; 410. Through slot three; 5. Three-sided connecting column; 501. Limiting strip; 502. Limiting column. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-9The utility model provides a technical solution: a tooling and clamping fixture for machined parts, comprising: a base 1, the surface of the base 1 is connected to an outer sleeve 101 through a bearing, a cover plate 102 is fixedly embedded in the top of the inner cavity of the outer sleeve 101, and three through grooves 103 are opened through the surface of the cover plate 102, three bearing columns 104 are fixedly connected to the top of the base 1, and a limiting circular plate 2 is fixedly installed on the top of the three bearing columns 104, and a through groove 201 is opened through the center of the surface of the limiting circular plate 2, a rotating component 3 is provided on the top of the limiting circular plate 2, and a clamping component 4 is provided on the top of the rotating component 3, and three connecting columns 5 are provided on the surface of the clamping component 4 through a bearing sleeve, and the three ends on one side of the surface of the three-sided connecting column 5 are fixedly installed with a limiting strip 501, and the three ends on the other side of the surface of the three-sided connecting column 5 are fixedly connected to the limiting column 502.

[0029] Specifically: the entire device is supported by the base 1, the three threaded rods 407 and the limiting strips 501 are supported by the outer sleeve 101, the parts are carried by the cover plate 102, the limiting circular plate 2, the rotating assembly 3 and the clamping assembly 4 are supported by three supporting columns 104, the limiting circular plate 2 is used to support and limit the rotating assembly 3, the part angle is rotated by the rotating assembly 3, the part is clamped by the clamping assembly 4, the three-sided connecting column 5 is used to make the clamping assembly 4 more stable during rotation, and the clamping assembly 4 is limited by three limiting strips 501 and limiting columns 502.

[0030] In one embodiment, the rotating assembly 3 includes a zigzag support plate 301, the bottom of one end of the zigzag support plate 301 is fixedly connected to a forward and reverse motor 302, the top of one end of the zigzag support plate 301 is embedded with a rotating shaft 303 through a bearing, the surface of the rotating shaft 303 is fixedly sleeved with a gear 304, the surface of the gear 304 is meshed with a gear ring 305, and the bottom of the gear ring 305 is fixedly connected to a T-shaped limit ring 306.

[0031] Specifically: by starting the forward and reverse motor 302, the output end of the forward and reverse motor 302 rotates to drive the rotating shaft 303 connected to it to rotate, the rotation of the rotating shaft 303 drives the gear 304 mounted on its surface to rotate, the rotation of the gear 304 drives the gear ring 305 engaged with it to rotate, and when the gear ring 305 rotates, it drives the clamping assembly 4 on the top to rotate together, the rotation of the clamping assembly 4 drives the three-sided connecting columns 5 to rotate together, and the three-sided connecting columns 5 drive the cover plate 102 to rotate, and the cover plate 102 drives the parts on its top to rotate.

[0032] In one embodiment, one end of the flexural support plate 301 is fixedly connected to one end of the limiting circular plate 2, the output end of the forward and reverse motor 302 passes through the side surface of the flexural support plate 301 through a bearing and is connected to the bottom of the rotating shaft 303, and the surface of the T-shaped limiting ring 306 is movably embedded in the inside of the top of the limiting circular plate 2.

[0033] Specifically: the zigzag support plate 301 is fixed by the limiting circular plate 12, and the rotating shaft 1 303 is driven to rotate by the forward and reverse motor 1 302. The top of the limiting circular plate 12 is provided with a T-shaped ring groove corresponding to the T-shaped limiting ring 1 306, and the T-shaped limiting ring 1 306 is movably embedded in the T-shaped ring groove.

[0034] In one embodiment, the clamping assembly 4 includes a limiting circular plate 401, the bottom of which is fixedly connected to a forward and reverse motor 402, the top of which is embedded with a rotating shaft 403 through a bearing, the surface of which is fixedly sleeved with a main bevel gear 404, the bottom of which is installed with a T-shaped limiting ring 405, the surface of which is meshed with three secondary bevel gears 406, one end of each of which is fixedly embedded with a threaded rod 407, the surfaces of each of which are threadedly sleeved with an L-shaped support plate 408, the tops of each of which are fixedly connected to one end of each of which are L-shaped support plates 408, the surfaces of each of which are L-shaped support plates 408 are fixedly connected with a clamping column 409, and the surfaces of each of which are L-shaped support plates 408 are provided with a through groove 410.

[0035] Specifically: by starting the forward and reverse motor 2 402, the output end of the forward and reverse motor 2 402 rotates and drives the rotating shaft 2 403 connected thereto to rotate, the rotation of the rotating shaft 2 403 drives the main bevel gear 404 mounted on its surface to rotate, the rotation of the main bevel gear 404 drives the three sub-bevel gears 406 meshing therewith to rotate, the rotation of the three sub-bevel gears 406 drives the threaded rod 407 connected thereto to rotate, the rotation of the three threaded rods 407 drives the L-shaped support plates 408 mounted on its surface to move in relative or opposite directions, the movement of the three L-shaped support plates 408 drives the clamping columns 409 on their tops to move until the three clamping columns 409 clamp the part from the inside or outside of the part.

[0036] In one embodiment, the output end of the forward and reverse motor 2 402 is connected to the bottom of the rotating shaft 2 403 through a bearing that passes through the surface of the limiting circular plate 2 401, the bottom of the T-shaped limiting ring 2 405 is movably embedded in the inside of the top of the limiting circular plate 2 401, and the top of the rotating shaft 2 403 is embedded in the bottom of the three-sided connecting column 5 through a bearing. One end of the three secondary bevel gears 406 are respectively sleeved on one end of the three limiting columns 502 through bearings, and the three through slots 3 410 are respectively movably sleeved on the surfaces of the three limiting bars 501, and the three L-shaped support plates 408 and the clamping columns 409 are respectively movable inside the three through slots 1 103.

[0037] Specifically: the rotation shaft 2 403 is driven to rotate by the forward and reverse motor 2 402, and a T-shaped ring groove corresponding to the T-shaped limit ring 2 405 is provided on the top of the limiting circular plate 2 401, and the T-shaped limit ring 2 405 is movably embedded in the T-shaped ring groove, and the rotating shaft 2 403 is sleeved by the three-sided connecting column 5 to make it more stable when rotating, and the three secondary bevel gears 406 are limited respectively by the three limiting columns 502 so that they can only rotate in place, and the three through grooves 3 410 are respectively sleeved by the three limiting bars 501 to limit the three L-shaped support plates 408 so that they will not deviate when moving, and the three L-shaped support plates 408 and the clamping column 409 will not be obstructed when moving through the through groove 103.

[0038] In one embodiment, the bottom of the limiting circular plate 401 is fixedly mounted on the top of the gear ring 305, the forward and reverse motor 402 is movably embedded in the interior of the through slot 201, and one end of the three threaded rods 407 is respectively embedded in the three ends of the top of the inner cavity of the outer sleeve 101 through bearings.

[0039] Specifically: the gear ring 305 is used to support the limiting circular plate 2 401, so that when the gear ring 305 rotates, the limiting circular plate 2 401 can be driven to rotate together, and the forward and reverse motor 2 402 is accommodated through the through slot 201 to save space, and the three threaded rods 407 are fixed through the outer sleeve 101. The forward and reverse motor 1 302 will only be fine-tuned during rotation, and the angle will not change too much, which will cause the wires of the forward and reverse motor 2 402 to be entangled.

[0040] In one embodiment, the top of the three-sided connecting column 5 is fixedly installed at the center of the bottom of the cover plate 102, and one end of the three limiting bars 501 is fixedly connected to the three ends of the top of the inner cavity of the outer sleeve 101 respectively.

[0041] Specifically: the three-sided connecting column 5 is fixed by the cover plate 102 so that it does not rotate along with the second rotating shaft 403 , and the three limiting bars 501 are fixed by the outer sleeve 101 .

[0042] Working principle: The device is connected to an external power supply through a circuit and started by an external controller. When a part needs to be machined, the forward and reverse motor 2 402 is started by an external controller in advance according to whether the part is cylindrical or annular to pre-adjust the spacing of the three clamping columns 409. Then the part is placed on the top of the outer sleeve 101, and the forward and reverse motor 2 402 is reversed by the external controller. The output end of the forward and reverse motor 2 402 rotates to drive the rotating shaft 2 403 connected to it to rotate. The rotation of the rotating shaft 2 403 drives the main bevel gear 404 mounted on its surface to rotate. The rotation of the main bevel gear 404 drives the three sub-bevel gears 406 meshing with it to rotate. The rotation of the three sub-bevel gears 406 drives the threaded rod 407 connected to it to rotate. The rotation of the three threaded rods 407 drives the L-shaped support plate 408 mounted on its surface to move in relative or opposite directions. The movement of the three L-shaped support plates 408 drives the clamping columns 409 on their tops to move until the three clamping columns 409 clamp the part from the inside or outside of the part. In this way, the spacing between the three clamping columns 409 can be adjusted at any time, and there is no need to replace different tooling clamping fixtures when assembling parts of different sizes, which is more convenient; the parts can be machined after they are fixed. During the machining process, the forward and reverse motor 302 can be started at any time through an external controller. The output end of the forward and reverse motor 302 rotates to drive the rotating shaft 303 connected to it to rotate, and the rotation of the rotating shaft 303 drives the gear 304 mounted on its surface to rotate. The rotation of the gear 304 drives the gear ring 305 engaged with it to rotate. When the gear ring 305 rotates, it drives the clamping component 4 on its top to rotate together. The rotation of the clamping component 4 drives the three-sided connecting columns 5 to rotate together, and the three-sided connecting columns 5 drive the cover plate 102 to rotate, and the cover plate 102 drives the parts on its top to rotate, and the parts are always fixed by the three clamping columns 409 to prevent them from offsetting and losing processing accuracy during rotation. In this way, the angle of the tooling clamping fixture can be adjusted at any time without disassembling the parts and reinstalling them, saving time and effort.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A fixture for holding machined parts, characterized in that: include: A base (1), the surface of the base (1) is connected to an outer sleeve (101) through a bearing, a cover plate (102) is fixedly embedded in the top of the inner cavity of the outer sleeve (101), the surface of the cover plate (102) is provided with three through slots (103), the top of the base (1) is fixedly connected to three bearing columns (104), the tops of the three bearing columns (104) are fixedly installed with a limiting circular plate (2), the center of the surface of the limiting circular plate (2) is provided with a through slot (201), the top of the limiting circular plate (2) is provided with a rotating component (3), the top of the rotating component (3) is provided with a clamping component (4), the surface of the clamping component (4) is provided with three connecting columns (5) through a bearing sleeve, the three ends on one side of the surface of the three connecting columns (5) are fixedly installed with limiting strips (501), and the three ends on the other side of the surface of the three connecting columns (5) are fixedly connected to the limiting columns (502).

2. A fixture for holding machined parts according to claim 1, characterized in that: The rotating assembly (3) comprises a zigzag support plate (301), the bottom of one end of the zigzag support plate (301) is fixedly connected to a forward and reverse motor (302), the top of one end of the zigzag support plate (301) is embedded with a rotating shaft (303) through a bearing, a gear (304) is fixedly sleeved on the surface of the rotating shaft (303), a gear ring (305) is meshed on the surface of the gear (304), and a T-shaped limiting ring (306) is fixedly connected to the bottom of the gear ring (305).

3. A fixture for holding machined parts according to claim 2, characterized in that: One end of the zigzag support plate (301) is fixedly connected to one end of the limiting circular plate (2), the output end of the forward and reverse motor (302) is connected to the bottom of the rotating shaft (303) through a bearing passing through one side surface of the zigzag support plate (301), and the surface of the T-shaped limiting ring (306) is movably embedded in the interior of the top end of the limiting circular plate (2).

4. The tooling and clamping fixture for machined parts according to claim 1, characterized in that: The clamping assembly (4) comprises a second limiting circular plate (401), the bottom of the second limiting circular plate (401) is fixedly connected to a second forward and reverse motor (402), the top of the second limiting circular plate (401) is embedded with a second rotating shaft (403) through a bearing, the surface of the second rotating shaft (403) is fixedly sleeved with a main bevel gear (404), the bottom of the main bevel gear (404) is installed with a second T-shaped limiting ring (405), the surface of the main bevel gear (404) is meshed with three auxiliary bevel gears (406), one end of each of the three auxiliary bevel gears (406) is fixedly embedded with a threaded rod (407), the surfaces of the three threaded rods (407) are threadedly sleeved with an L-shaped support plate (408), the top of one end of each of the three L-shaped support plates (408) is fixedly connected to a clamping column (409), and the surfaces of the three L-shaped support plates (408) are all provided with three through grooves (410).

5. The tooling and clamping fixture for machined parts according to claim 4, characterized in that: The output end of the forward and reverse motor 2 (402) is connected to the bottom of the rotating shaft 2 (403) through a bearing that passes through the surface of the limiting circular plate 2 (401); the bottom of the T-shaped limiting ring 2 (405) is movably embedded in the top of the limiting circular plate 2 (401); the top of the rotating shaft 2 (403) is embedded in the bottom of the three-sided connecting column (5) through a bearing; one end of the three auxiliary bevel gears (406) is respectively sleeved on one end of the three limiting columns (502) through bearings; the three through slots 3 (410) are respectively movably sleeved on the surfaces of the three limiting bars (501); the three L-shaped support plates (408) and the clamping columns (409) are respectively movably inside the three through slots 1 (103).

6. The tooling and clamping fixture for machined parts according to claim 4, characterized in that: The bottom of the second limiting circular plate (401) is fixedly mounted on the top of the gear ring (305), the second forward and reverse motor (402) is movably embedded in the interior of the second through slot (201), and one end of the three threaded rods (407) are respectively embedded in the three ends of the top of the inner cavity of the outer sleeve (101) through bearings.

7. The tooling and clamping fixture for machined parts according to claim 1, characterized in that: The top of the three-sided connecting column (5) is fixedly mounted at the center of the bottom of the cover plate (102), and one end of the three limiting strips (501) is respectively fixedly connected to the three ends of the top of the inner cavity of the outer sleeve (101).

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