CN212706327U - Three-position clamping mechanism for screwing fine threads - Google Patents
Three-position clamping mechanism for screwing fine threads Download PDFInfo
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- CN212706327U CN212706327U CN202021278323.4U CN202021278323U CN212706327U CN 212706327 U CN212706327 U CN 212706327U CN 202021278323 U CN202021278323 U CN 202021278323U CN 212706327 U CN212706327 U CN 212706327U
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Abstract
The utility model discloses a fine thread tightening three-position clamping mechanism, which comprises a mounting plate, a clamping structure and an adjusting structure; mounting a plate: the middle part of the left side surface of the rotary drum is provided with an installation drum, the inner cambered surface of the installation drum is rotationally connected with the outer cambered surface of the rotary drum through a bearing, a drum cover is installed at the left opening of the installation drum, a discharge hole is formed in the middle part of the left side wall body of the drum cover, and installation seats are uniformly arranged on the outer cambered surface of the drum cover; the clamping structure is as follows: the clamping structure is arranged in a circular through hole uniformly formed in the outer arc wall of the cylinder cover, and the clamping structure is matched with the mounting seat and the rotating cylinder; the adjusting structure is as follows: set up in the circular through-hole of installation section of thick bamboo outer arc wall upper end, adjust structure and rotatory section of thick bamboo cooperation installation, this three position clamping mechanism are screwed up to fine screw thread, structural design is reasonable, and screw rod synchronous motion adds the holding power more even, can guarantee the axiality of processing work piece, makes things convenient for the clamp of work piece tightly and takes out.
Description
Technical Field
The utility model relates to an anchor clamps technical field specifically is a thin thread screws up three positions clamping mechanism.
Background
The fixture is a device for fixing a machining object to a correct position in a mechanical manufacturing process so as to receive construction or detection, and is also called a fixture, and broadly speaking, in any process in a technological process, a device for quickly, conveniently and safely installing a workpiece is called a fixture, the fixture generally comprises a positioning element (for determining the correct position of the workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of a tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete machining of a plurality of stations in one-time installation, including two types of rotary indexing devices and linear movement indexing devices), a connecting element, a fixture body (fixture base) and the like, and the types of the fixture can be divided into the following types according to the use characteristics: the conventional clamp has uneven clamping force, the coaxiality of a processed workpiece is poor, and the workpiece is inconvenient to clamp and take out, so that the three-position clamping mechanism for screwing the fine threads is imperative.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a three position clamping mechanism are screwed up to fine screw thread, screw rod synchronous motion adds the holding power more even, can guarantee the axiality of processing work piece, makes things convenient for the clamp of work piece to press from both sides tightly and take out, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a fine thread tightening three-position clamping mechanism comprises a mounting plate, a clamping structure and an adjusting structure;
mounting a plate: the middle part of the left side surface of the rotary drum is provided with an installation drum, the inner cambered surface of the installation drum is rotationally connected with the outer cambered surface of the rotary drum through a bearing, a drum cover is installed at the left opening of the installation drum, a discharge hole is formed in the middle part of the left side wall body of the drum cover, and installation seats are uniformly arranged on the outer cambered surface of the drum cover;
the clamping structure is as follows: the clamping structure is arranged in a circular through hole uniformly formed in the outer arc wall of the cylinder cover, and the clamping structure is matched with the mounting seat and the rotating cylinder;
the adjusting structure is as follows: the adjusting structure is arranged in the circular through hole in the upper end of the outer arc wall of the mounting barrel, the adjusting structure is installed in a matched mode with the rotating barrel, the screw rod moves synchronously, the clamping force is more uniform, the coaxiality of machined workpieces can be guaranteed, and the workpieces can be conveniently clamped and taken out.
Further, the clamping structure comprises a linkage rack, an internal thread cylinder, a screw and a separation blade, wherein the inner wall of a circular through hole uniformly formed in the outer arc wall of the cylinder cover is rotatably connected with the outer arc wall of the corresponding internal thread cylinder through a bearing respectively, the number of the internal thread cylinders is three, the lower end of the outer arc surface of each internal thread cylinder is uniformly provided with the linkage rack, the linkage racks are all meshed with teeth at the left opening of the rotary cylinder, the internal thread cylinders are in threaded connection with the corresponding screw, the left opening of the mounting seat is rotatably connected with the right ends of the corresponding separation blades through pin shafts, the separation blades are in sliding connection with the corresponding right strip grooves of the screw, the screw synchronously moves, the clamping force is more uniform, and the coaxiality of machined workpieces.
Further, adjust the structure and include initiative rack, rotation axis and handle, the circular through-hole inner wall of installation section of thick bamboo outer arc wall upper end passes through the bearing and is connected with the middle part rotation of rotation axis, and the lower extreme of rotation axis evenly is provided with initiative rack, and the initiative rack all meshes with the tooth of a rotatory section of thick bamboo right side opening part, and the upper end of rotation axis is provided with the handle, makes things convenient for the clamp of work piece tightly and takes out.
Furthermore, still include the mounting hole, the plate body four corners of mounting panel evenly is provided with the mounting hole, is convenient for install.
Furthermore, the diameter of the discharging hole is smaller than the diameter controlled in the rotary cylinder, so that the workpiece is prevented from being pushed into the internal structure when being inserted.
Compared with the prior art, the beneficial effects of the utility model are that: this three position clamping mechanism of fine thread tightening has following benefit:
1. the linkage rack all meshes with the tooth of rotatory section of thick bamboo left side opening part, the circular through-hole inner wall that the outer arc wall of cover evenly set up rotates with the outer arc wall of the internal thread section of thick bamboo that corresponds through the bearing respectively and is connected, rotatory three internal thread section of thick bamboo synchronous revolution that drives of rotatory section of thick bamboo, because the internal thread section of thick bamboo and the screw rod threaded connection who corresponds, the left side opening part of mount pad all rotates through round pin axle and the separation blade right side end that corresponds to be connected, so the rotatory synchronous inward movement of screw rod that makes of internal thread section of thick bamboo, press from both sides the work piece tightly, screw rod synchronous movement, it is more even.
2. Rotatory handle, the circular through-hole inner wall of installation section of thick bamboo outer arc wall upper end passes through the bearing and is connected with the middle part rotation of rotation axis, rotatory handle is then made the rotation axis rotatory, the initiative rack all with the tooth meshing of rotatory section of thick bamboo right side opening part, the extrados that the intrados of installation section of thick bamboo passes through the bearing and is connected with the extrados rotation of a rotatory section of thick bamboo, the rotation axis is rotatory to drive the initiative rack rotation and then drive a rotatory section of thick bamboo rotatory, make things convenient for the clamp of work piece tightly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention.
In the figure: the device comprises a mounting plate 1, a clamping structure 2, a linkage rack 21, an internal thread cylinder 22, a screw 23, a blocking piece 24, an adjusting structure 3, a driving rack 31, a rotating shaft 32, a handle 33, an installation cylinder 4, a cylinder cover 5, a discharge hole 6, a mounting seat 7, an installation hole 8 and a rotating cylinder 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a fine thread tightening three-position clamping mechanism comprises a mounting plate 1, a clamping structure 2 and an adjusting structure 3;
mounting plate 1: the middle part of the left side surface of the rotary drum is provided with an installation barrel 4, the inner arc surface of the installation barrel 4 is rotationally connected with the outer arc surface of the rotary drum 9 through a bearing, a barrel cover 5 is installed at the left opening of the installation barrel 4, a discharge hole 6 is arranged in the middle part of the left side wall body of the barrel cover 5, the outer arc surface of the barrel cover 5 is uniformly provided with installation seats 7, and the diameter of the discharge hole 6 is smaller than that of the inner control of the rotary drum 9;
the clamping structure 2: the clamping structure 2 is installed in a circular through hole uniformly formed in the outer arc wall of the barrel cover 5 in a matched mode with the mounting seat 7 and the rotary barrel 9, the clamping structure 2 comprises a linkage rack 21, an inner thread barrel 22, a screw rod 23 and a baffle piece 24, the inner wall of the circular through hole uniformly formed in the outer arc wall of the barrel cover 5 is rotatably connected with the outer arc wall of the corresponding inner thread barrel 22 through bearings, the number of the inner thread barrels 22 is three, the lower end of the outer arc surface of the inner thread barrel 22 is uniformly provided with the linkage rack 21, the linkage rack 21 is meshed with teeth at the left opening of the rotary barrel 9, the inner thread barrel 22 is in threaded connection with the corresponding screw rod 23, the left opening of the mounting seat 7 is rotatably connected with the right end of the corresponding baffle piece 24 through a pin shaft, the baffle piece 24 is slidably connected with a right strip groove of the corresponding screw rod 23, the linkage rack 21 is meshed with teeth at the left opening of the rotary barrel 9, the inner wall of the circular through hole uniformly formed in the The rotary cylinder 9 rotates to drive the three internal thread cylinders 22 to synchronously rotate, and because the internal thread cylinders 22 are in threaded connection with the corresponding screw rods 23, and the left opening of the mounting seat 7 is rotationally connected with the right end of the corresponding baffle piece 24 through the pin shaft, the internal thread cylinders 22 rotate to enable the screw rods 23 to synchronously move inwards, so that workpieces are clamped, the screw rods 23 synchronously move, the clamping force is more uniform, and the coaxiality of the processed workpieces can be ensured;
the adjusting structure 3: the adjusting structure 3 is matched with the rotary drum 9 and comprises an active rack 31, a rotary shaft 32 and a handle 33, the inner wall of the circular through hole at the upper end of the outer arc wall of the installation drum 4 is rotatably connected with the middle part of the rotary shaft 32 through a bearing, the lower end of the rotary shaft 32 is uniformly provided with the active rack 31, the active rack 31 is respectively meshed with teeth at the right opening of the rotary drum 9, the upper end of the rotary shaft 32 is provided with the handle 33, the handle 33 is rotated, the inner wall of the circular through hole at the upper end of the outer arc wall of the installation drum 4 is rotatably connected with the middle part of the rotary shaft 32 through a bearing, the rotary handle 33 is rotated to enable the rotary shaft 32 to rotate, the active rack 31 is respectively meshed with the teeth at the right opening of the rotary drum 9, the inner arc surface of the installation drum 4 is rotatably connected with the outer arc surface of the rotary drum 9 through a bearing, the rotary shaft 32 rotates to drive the, the clamping and the taking out of the workpiece are convenient.
Wherein: still include mounting hole 8, the plate body four corners of mounting panel 1 evenly is provided with mounting hole 8, the installation of being convenient for.
When in use: the mechanism is fixed to a proper position through a mounting hole 8 by screws, the mechanism is convenient to mount, a workpiece is inserted into the mechanism from a discharge hole 6, the diameter of the discharge hole 6 is smaller than the diameter of an inner control of a rotary cylinder 9, the workpiece is prevented from being pushed to an internal structure when being inserted, a handle 33 is rotated, the inner wall of a circular through hole at the upper end of the outer arc wall of the mounting cylinder 4 is rotatably connected with the middle part of the rotary shaft 32 through a bearing, the handle 33 is rotated so as to rotate the rotary shaft 32, an active rack 31 is engaged with teeth at the right opening of the rotary cylinder 9, the inner arc surface of the mounting cylinder 4 is rotatably connected with the outer arc surface of the rotary cylinder 9 through a bearing, the rotary shaft 32 rotates to drive the active rack 31 to rotate the rotary cylinder 9, the adjustment of a clamping structure 2 is convenient, a linkage rack 21 is engaged with teeth at the left opening of the rotary cylinder 9, the inner wall of the circular through hole uniformly arranged on the outer arc wall of the cylinder cover, rotatory three internal thread section of thick bamboo 22 synchronous revolution of driving of a rotatory section of thick bamboo 9, because internal thread section of thick bamboo 22 and the screw rod 23 threaded connection who corresponds, the left side opening part of mount pad 7 all rotates with the separation blade 24 right side end that corresponds through the round pin axle to be connected, so internal thread section of thick bamboo 22 is rotatory to make screw rod 23 synchronous inward movement, presss from both sides the work piece tightly, screw rod 23 synchronous movement, and it is more even to add the holding power, can guarantee the axiality of processing the work piece.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a fine thread screws up three position clamping mechanism which characterized in that: comprises a mounting plate (1), a clamping structure (2) and an adjusting structure (3);
mounting plate (1): the middle part of the left side surface of the rotary drum is provided with an installation drum (4), the inner arc surface of the installation drum (4) is rotationally connected with the outer arc surface of the rotary drum (9) through a bearing, a drum cover (5) is installed at the left opening of the installation drum (4), a discharge hole (6) is arranged in the middle of the left side wall body of the drum cover (5), and installation seats (7) are uniformly arranged on the outer arc surface of the drum cover (5);
clamping structure (2): the clamping structure is arranged in a circular through hole uniformly formed in the outer arc wall of the cylinder cover (5), and the clamping structure (2) is installed with the mounting seat (7) and the rotary cylinder (9) in a matching manner;
adjustment structure (3): is arranged in a circular through hole at the upper end of the outer arc wall of the mounting cylinder (4), and the adjusting structure (3) is installed in a matching way with the rotating cylinder (9).
2. A fine-threaded three-position clamping mechanism as claimed in claim 1, wherein: the clamping structure (2) comprises a linkage rack (21), an internal thread cylinder (22), a screw rod (23) and a blocking piece (24), the inner wall of a circular through hole, which is uniformly formed in the outer arc wall of the cylinder cover (5), is rotatably connected with the outer arc wall of the corresponding internal thread cylinder (22) through a bearing, the number of the internal thread cylinders (22) is three, the linkage rack (21) is uniformly arranged at the lower end of the outer arc surface of the internal thread cylinder (22), the linkage rack (21) is meshed with teeth at the left opening of the rotating cylinder (9), the internal thread cylinder (22) is in threaded connection with the corresponding screw rod (23), the left opening of the mounting seat (7) is rotatably connected with the right end of the corresponding blocking piece (24) through a pin shaft, and the blocking piece (24) is in sliding connection with the right groove of the corresponding screw rod (23.
3. A fine-threaded three-position clamping mechanism as claimed in claim 1, wherein: adjust structure (3) including initiative rack (31), rotation axis (32) and handle (33), the circular through-hole inner wall of installation section of thick bamboo (4) outer arc wall upper end passes through the bearing and is connected with the middle part rotation of rotation axis (32), and the lower extreme of rotation axis (32) evenly is provided with initiative rack (31), and initiative rack (31) all meshes with the tooth of rotatory section of thick bamboo (9) right side opening part, and the upper end of rotation axis (32) is provided with handle (33).
4. A fine-threaded three-position clamping mechanism as claimed in claim 1, wherein: still include mounting hole (8), the plate body four corners of mounting panel (1) evenly is provided with mounting hole (8).
5. A fine-threaded three-position clamping mechanism as claimed in claim 1, wherein: the diameter of the discharging hole (6) is smaller than that of the inner hole of the rotary cylinder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021278323.4U CN212706327U (en) | 2020-07-02 | 2020-07-02 | Three-position clamping mechanism for screwing fine threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021278323.4U CN212706327U (en) | 2020-07-02 | 2020-07-02 | Three-position clamping mechanism for screwing fine threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212706327U true CN212706327U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021278323.4U Active CN212706327U (en) | 2020-07-02 | 2020-07-02 | Three-position clamping mechanism for screwing fine threads |
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| Country | Link |
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| CN (1) | CN212706327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227569A (en) * | 2021-12-16 | 2022-03-25 | 广州市第一人民医院（广州消化疾病中心、广州医科大学附属市一人民医院、华南理工大学附属第二医院） | Clamping device |
-
2020
- 2020-07-02 CN CN202021278323.4U patent/CN212706327U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227569A (en) * | 2021-12-16 | 2022-03-25 | 广州市第一人民医院（广州消化疾病中心、广州医科大学附属市一人民医院、华南理工大学附属第二医院） | Clamping device |
| CN114227569B (en) * | 2021-12-16 | 2024-01-16 | 广州市第一人民医院（广州消化疾病中心、广州医科大学附属市一人民医院、华南理工大学附属第二医院） | Clamping device |
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