CN215401620U

CN215401620U - Rotary clamping device

Info

Publication number: CN215401620U
Application number: CN202120789743.7U
Authority: CN
Inventors: 李晓建; 孟新坤
Original assignee: Irico Hefei LCD Glass Co Ltd
Current assignee: Irico Hefei LCD Glass Co Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2022-01-04
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a rotary clamping device, including shell, end cover, dwang, guide arm, carriage release lever, spring one, two-way screw rod, nut, bevel gear one, bevel gear two, plectane, U type pole, spring three, magnetic ring one, magnetic ring two, T type piece, T type groove, rack one, rack two, spring four and fastening bolt. This practicality rotates bevel gear one through the dwang, because bevel gear carries out gear engagement with bevel gear two, so bevel gear one rotates and drives bevel gear two and rotate, and then drives two-way screw rod and take place to rotate, and two-way screw rod takes place to rotate and drives two nut relative movements, and the nut removes and drives the carriage release lever and remove, and the carriage release lever removes and carries out the centre gripping to the article, and the carriage release lever removes and stretches spring one, and the elasticity of spring one is convenient for the removal of carriage release lever and resets.

Description

Rotary clamping device

Technical Field

The utility model relates to the field of clamping devices, in particular to a rotary clamping device.

Background

In the production and manufacturing process, the object needs to be frequently clamped and transported, and the clamping mechanism is used for being fixed on the cylinder and clamping and transporting the object. When the clamping is too tight, the cooperative parts are impacted and damaged when being braked. Damage is caused to the clamping mechanism, and the service life of the equipment is shortened; when the clamping is loose, the fixture shakes during the movement process, and the fixture falls off to damage the fixture.

The rotary clamping device who uses at present has certain defect, lacks supplementary fixed establishment, causes inconveniently to fix the round bar, and then causes two-way screw rod to take place to rotate easily, reduces the fixed effect of centre gripping of holder. Accordingly, a rotary clamping device is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotary clamping device, which aims to make up for the defects of the prior art and solve the problem of the conventional rotary clamping device.

A rotary clamping device comprises a shell, an end cover, a rotating rod, a guide rod, a moving rod, a first spring, a two-way screw, nuts, a first bevel gear, a second bevel gear, a fixing mechanism and an installing mechanism, wherein the end cover is arranged at the front end of the shell in a sliding manner, the guide rod is fixedly arranged in the shell, the moving rod and the first spring are arranged on the annular side surface of the guide rod, two ends of the first spring are respectively and fixedly arranged on the moving rod and the inner wall of the shell, the two-way screw is rotatably arranged at the top end in the shell, the two nuts are symmetrically arranged on the annular side surface of the two-way screw and are respectively and fixedly connected with the two moving rods through connecting blocks, the first bevel gear is fixedly arranged at the middle position of the annular side surface of the two-way screw, the rotating rod is rotatably arranged at the top end of the shell, the bottom end of the rotating rod extends into the shell and is fixedly arranged with the second bevel gear, the first bevel gear is in gear engagement with the second bevel gear;

the fixing mechanism comprises a circular plate, a U-shaped rod, a spring III, a magnetic ring I and a magnetic ring II, the top end of the rotating rod is fixedly provided with the circular plate, the top end of the circular plate is slidably provided with the U-shaped rod, the bottom end of the U-shaped rod penetrates through the circular plate and is fixedly provided with the magnetic ring I, the top end of the shell is fixedly provided with the magnetic ring II, the magnetic ring II is fixedly arranged on the outer side of the annular side face of the rotating rod, the magnetic ring I and the magnetic ring II are aligned up and down, the spring III is fixedly arranged in the middle of the top end of the circular plate, and the top end of the spring III is fixedly arranged on the U-shaped rod.

Preferably, two the equal fixed mounting of the one end that the carriage release lever is close to each other has spring two, and two spring one end fixed mounting have the clamp splice.

Preferably, a round hole is formed in one end of the moving rod, a guide rod is inserted into the round hole, more than two balls are uniformly arranged in the round hole, and the spherical side face of each ball is attached to the annular side face of the guide rod.

Preferably, the mounting mechanism comprises a T-shaped block, a T-shaped groove, a first rack, a second rack and a fourth spring, the front end of the shell is symmetrically provided with the two T-shaped grooves, the rear end of the end cover is symmetrically and fixedly provided with the two T-shaped blocks, the length of each T-shaped block is equal to the vertical length of the end cover, one end of each T-shaped block is fixedly provided with the first rack, the T-shaped groove is internally provided with a groove, the inside of each groove is fixedly provided with the fourth spring, one end of each of the four springs is fixedly provided with the second rack, and the first racks are meshed with the second racks.

Preferably, installation mechanism still includes fastening bolt, fastening bolt is installed to both ends symmetry about the shell, and fastening bolt one end extends to inside and the rack two of recess and control and align, threaded hole is seted up to both ends symmetry about the shell, and threaded hole one end communicates with each other with T type groove, threaded hole internally mounted has fastening bolt.

Preferably, the installation mechanism is provided with two groups, the two groups of installation mechanisms have the same structure, and the two groups of installation mechanisms are symmetrically installed at the rear end of the end cover.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the fixing mechanism, the function of conveniently fixing the rotating rod is realized, the problems that the auxiliary fixing mechanism is lacked, the round rod is inconvenient to fix, the bidirectional screw rod is easy to rotate, and the clamping and fixing effects of the clamping piece are reduced are solved, the efficiency of auxiliary fixing of the bidirectional screw rod is improved, and the clamping and fixing effects of the clamping piece are improved;

2. according to the utility model, through the structural design of the mounting mechanism, the function of conveniently mounting the end cover is realized, the problem that the end cover is inconvenient to open so as to maintain parts in the shell because the end cover is fixedly mounted at the front end of the shell is solved, and the service life of the rotary clamping device is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is an enlarged view of a portion of the present invention at A;

fig. 4 is a schematic view of the mounting structure of the present invention.

In the figure: 1. a housing; 2. an end cap; 3. rotating the rod; 4. a guide bar; 5. a travel bar; 6. a first spring; 7. a bidirectional screw; 8. a nut; 9. a first bevel gear; 10. a second bevel gear; 11. a circular plate; 12. a U-shaped rod; 13. a third spring; 14. a first magnetic ring; 15. a second magnetic ring; 16. a T-shaped block; 17. a T-shaped groove; 18. a first rack; 19. a second rack; 20. a fourth spring; 21. and fastening the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a rotary clamping device comprises a housing 1, an end cover 2, a rotating rod 3, a guide rod 4, a moving rod 5, a spring I6, a bidirectional screw 7, nuts 8, a bevel gear I9, a bevel gear II 10, a fixing mechanism and an installation mechanism, wherein the end cover 2 is slidably installed at the front end of the housing 1, the guide rod 4 is fixedly installed inside the housing 1, the moving rod 5 and the spring I6 are installed on the annular side surface of the guide rod 4, two ends of the spring I6 are respectively and fixedly installed on the moving rod 5 and the inner wall of the housing 1, the bidirectional screw 7 is rotatably installed at the top end inside the housing 1, the two nuts 8 are symmetrically installed on the annular side surface of the bidirectional screw 7, the nuts 8 are respectively and fixedly connected with the two moving rods 5 through connecting blocks, the bevel gear I9 is fixedly installed at the middle position of the annular side surface of the bidirectional screw 7, the top end of the shell 1 is rotatably provided with a rotating rod 3, the bottom end of the rotating rod 3 extends into the shell 1 and is fixedly provided with a bevel gear II 10, the bevel gear I9 is in gear engagement with the bevel gear II 10, the bevel gear I9 rotates to drive the bevel gear II 10 to rotate because the bevel gear I9 is in gear engagement with the bevel gear II 10, so that the bidirectional screw 7 is driven to rotate, the bidirectional screw 7 rotates to drive the two nuts 8 to move relatively, the nuts 8 move to drive the moving rod 5 to move, the moving rod 5 moves to clamp an object, the moving rod 5 moves to stretch the spring I6, and the elastic force of the spring I6 facilitates the moving and resetting of the moving rod 5;

the fixing mechanism comprises a circular plate 11, a U-shaped rod 12, a spring III 13, a first magnetic ring 14 and a second magnetic ring 15, the top end of the rotating rod 3 is fixedly provided with the circular plate 11, the top end of the circular plate 11 is slidably provided with the U-shaped rod 12, the bottom end of the U-shaped rod 12 penetrates through the circular plate 11 and is fixedly provided with the first magnetic ring 14, the top end of the shell 1 is fixedly provided with the second magnetic ring 15, the second magnetic ring 15 is fixedly arranged on the outer side of the annular side face of the rotating rod 3, the first magnetic ring 14 is aligned with the second magnetic ring 15 up and down, the middle position of the top end of the circular plate 11 is fixedly provided with the spring III 13, the top end of the spring III 13 is fixedly arranged on the U-shaped rod 12, when the rotating rod 3 needs to be rotated, a user pulls the U-shaped rod 12 upwards, the U-shaped rod 12 moves to drive the first magnetic ring 14 to move to be attached to the circular plate 11 and stretch the spring III 13, and the elasticity of the spring III 13 is smaller than the adsorption force between the first magnetic ring 14 and the circular plate 11, and further fixing the position of the first magnetic ring 14, so that the first magnetic ring 14 is separated from the second magnetic ring 15, and further facilitating the rotation of the rotating rod 3, when the rotating rod 3 needs to be fixed, pushing the U-shaped rod 12 to move, the U-shaped rod 12 moves to drive the first magnetic ring 14 to move and separate from the circular plate 11, and under the action of the elastic force of the third spring 13, the U-shaped rod 12 moves to drive the first magnetic ring 14 to move to adhere to the second magnetic ring 15 in an adsorption manner, and further fixing the position of the rotating rod 3.

As an implementation mode of the utility model, one ends of the two moving rods 5, which are close to each other, are fixedly provided with a second spring, and one end of the second spring is fixedly provided with a clamping block;

as an implementation mode of the utility model, a round hole is formed at one end of the movable rod 5, the guide rod 4 is inserted into the round hole, more than two balls are uniformly arranged in the round hole, and the spherical side surface of each ball is attached to the annular side surface of the guide rod 4, so that the movable rod 5 can conveniently move along the guide rod 4 during working;

as an embodiment of the utility model, the mounting mechanism comprises a T-shaped block 16, a T-shaped groove 17, a first rack 18, a second rack 19 and a fourth spring 20, the front end of the housing 1 is symmetrically provided with the two T-shaped grooves 17, the rear end of the end cover 2 is symmetrically and fixedly provided with the two T-shaped blocks 16, the length of each T-shaped block 16 is the same as the vertical length of the end cover 2, one end of each T-shaped block 16 is fixedly provided with the first rack 18, the inside of each T-shaped groove 17 is provided with a groove, the inside of each groove is fixedly provided with the fourth spring 20, one end of each fourth spring 20 is fixedly provided with the second rack 19, the first rack 18 is meshed with the second rack 19, when the mounting mechanism works, the T-shaped blocks 16 are inserted into the T-shaped grooves 17 to push the end cover 2 upwards, the end cover 2 moves to drive the T-shaped blocks 16 to move along the T-shaped grooves 17, the T-shaped blocks 16 move to drive the first rack 18 to move, the first rack 18 moves to extrude the rack, the second rack 19 is enabled to move to extrude the fourth spring 20, when the first rack 18 moves to be meshed with the second rack 19 again, the second rack 19 moves to be meshed with the first rack 18 again under the action of the elastic force of the second spring until the end cover 2 moves to completely cover the front end of the shell 1, the fastening bolt 21 is screwed, the fastening bolt 21 moves along the threaded hole, the fastening bolt 21 moves to be meshed with the second rack 19, the second rack 19 is prevented from moving, and the T-shaped block 16 is clamped inside the T-shaped groove 17 to complete the installation of the end cover 2;

as an embodiment of the utility model, the mounting mechanism further comprises fastening bolts 21, the fastening bolts 21 are symmetrically mounted at the left end and the right end of the housing 1, one end of each fastening bolt 21 extends into the groove and is aligned with the rack II 19 left and right, threaded holes are symmetrically formed at the left end and the right end of the housing 1, one end of each threaded hole is communicated with the T-shaped groove 17, the fastening bolts 21 are mounted in the threaded holes, and during operation, the fastening bolts 21 are designed to fix the position of the rack II 19, so that the T-shaped block 16 is clamped in the T-shaped groove 17;

as an implementation mode of the utility model, the two groups of mounting mechanisms are provided, the two groups of mounting mechanisms have the same structure, and are symmetrically mounted at the rear end of the end cover 2, so that the two groups of mounting mechanisms are designed to improve the mounting stability of the end cover 2 during working.

The theory of operation, rotate bevel gear 9 through dwang 3, because bevel gear 9 carries out gear engagement with bevel gear two 10, so bevel gear 9 rotates and drives bevel gear two 10 and rotate, and then drive two-way screw 7 and take place to rotate, two-way screw 7 takes place to rotate and drives two nut 8 relative movement, nut 8 removes and drives carriage release lever 5 and remove, carriage release lever 5 removes and carries out the centre gripping to the article, carriage release lever 5 removes and stretches spring 6, the elasticity of spring 6 is convenient for the removal of carriage release lever 5 and resets.

The end cover 2 moves to drive the T-shaped block 16 to move along the T-shaped groove 17, the T-shaped block 16 moves to drive the rack I18 to move, the rack I18 moves to extrude the rack, the rack II 19 moves to extrude the spring IV 20, when the rack I18 moves to be meshed with the rack II 19 again, the rack II 19 moves to be meshed with the rack I18 again under the action of the elastic force of the spring II until the end cover 2 moves to completely cover the front end of the shell 1, the fastening bolt 21 is screwed, the fastening bolt 21 moves along the threaded hole, the fastening bolt 21 moves to be meshed with the rack II 19, and the rack II 19 is prevented from moving.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A rotary clamping apparatus characterized by: the novel gear transmission mechanism comprises a shell (1), an end cover (2), a rotating rod (3), a guide rod (4), a moving rod (5), a first spring (6), a two-way screw rod (7), a nut (8), a first bevel gear (9), a second bevel gear (10), a fixing mechanism and an installing mechanism, wherein the end cover (2) is arranged at the front end of the shell (1) in a sliding manner, the guide rod (4) is fixedly arranged in the shell (1), the moving rod (5) and the first spring (6) are arranged on the annular side surface of the guide rod (4), two ends of the first spring (6) are respectively and fixedly arranged on the moving rod (5) and the inner wall of the shell (1), the two-way screw rod (7) is rotatably arranged at the top end in the shell (1), two nuts (8) are symmetrically arranged on the annular side surface of the two-way screw rod (7), and the nut (8) is respectively and fixedly connected with the two moving rods (5) through connecting blocks, a first bevel gear (9) is fixedly installed in the middle of the annular side face of the bidirectional screw (7), a rotating rod (3) is rotatably installed at the top end of the shell (1), the bottom end of the rotating rod (3) extends into the shell (1) and is fixedly provided with a second bevel gear (10), and the first bevel gear (9) is in gear engagement with the second bevel gear (10);

fixing mechanism includes plectane (11), U type pole (12), spring three (13), magnetic ring (14) and magnetic ring two (15), dwang (3) top fixed mounting has plectane (11), plectane (11) top slidable mounting has U type pole (12), and U type pole (12) bottom passes plectane (11) and fixed mounting has magnetic ring (14), shell (1) top fixed mounting has magnetic ring two (15), and magnetic ring two (15) fixed mounting is in dwang (3) annular side outside, align from top to bottom magnetic ring (14) and magnetic ring two (15), plectane (11) top intermediate position fixed mounting has spring three (13), and spring three (13) top fixed mounting is on U type pole (12).

2. A rotary clamping apparatus according to claim 1, wherein: two equal fixed mounting in one end that carriage release lever (5) are close to each other has spring two, and two one end fixed mounting of spring have the clamp splice.

3. A rotary clamping apparatus according to claim 1, wherein: a round hole is formed in one end of the moving rod (5), the guide rod (4) is inserted into the round hole in an inserted mode, more than two balls are uniformly installed in the round hole, and the spherical side face of each ball is attached to the annular side face of the guide rod (4).

4. A rotary clamping apparatus according to claim 1, wherein: the installation mechanism comprises T-shaped blocks (16), T-shaped grooves (17), a first rack (18), a second rack (19) and a fourth spring (20), wherein the front end of the shell (1) is symmetrically provided with the two T-shaped grooves (17), the rear end of the end cover (2) is symmetrically and fixedly provided with the two T-shaped blocks (16), the length of each T-shaped block (16) is equal to the vertical length of the end cover (2), one end of each T-shaped block (16) is fixedly provided with the first rack (18), a groove is formed in each T-shaped groove (17), the four springs (20) are fixedly arranged in each groove, one end of each four spring (20) is fixedly provided with the second rack (19), and the first racks (18) are meshed with the second racks (19).

5. A rotary clamping apparatus according to claim 4, wherein: installation mechanism still includes fastening bolt (21), fastening bolt (21) are installed to shell (1) left and right sides both ends symmetry, and fastening bolt (21) one end extend to the recess inside with rack two (19) control align, screw hole has been seted up to shell (1) left and right sides both ends symmetry, and screw hole one end communicates with each other with T type groove (17), screw hole internally mounted has fastening bolt (21).

6. A rotary clamping apparatus according to claim 1, wherein: the installation mechanism is equipped with two sets ofly, two sets of installation mechanism structure is the same, and two sets of installation mechanism symmetry is installed in end cover (2) rear end.